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13090 lines
346 KiB
13090 lines
346 KiB
/* Broadcom NetXtreme-C/E network driver. |
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* |
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* Copyright (c) 2014-2016 Broadcom Corporation |
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* Copyright (c) 2016-2019 Broadcom Limited |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation. |
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*/ |
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#include <linux/module.h> |
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|
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#include <linux/stringify.h> |
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#include <linux/kernel.h> |
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#include <linux/timer.h> |
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#include <linux/errno.h> |
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#include <linux/ioport.h> |
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#include <linux/slab.h> |
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#include <linux/vmalloc.h> |
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#include <linux/interrupt.h> |
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#include <linux/pci.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/skbuff.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/bitops.h> |
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#include <linux/io.h> |
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#include <linux/irq.h> |
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#include <linux/delay.h> |
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#include <asm/byteorder.h> |
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#include <asm/page.h> |
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#include <linux/time.h> |
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#include <linux/mii.h> |
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#include <linux/mdio.h> |
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#include <linux/if.h> |
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#include <linux/if_vlan.h> |
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#include <linux/if_bridge.h> |
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#include <linux/rtc.h> |
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#include <linux/bpf.h> |
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#include <net/ip.h> |
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#include <net/tcp.h> |
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#include <net/udp.h> |
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#include <net/checksum.h> |
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#include <net/ip6_checksum.h> |
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#include <net/udp_tunnel.h> |
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#include <linux/workqueue.h> |
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#include <linux/prefetch.h> |
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#include <linux/cache.h> |
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#include <linux/log2.h> |
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#include <linux/aer.h> |
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#include <linux/bitmap.h> |
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#include <linux/cpu_rmap.h> |
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#include <linux/cpumask.h> |
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#include <net/pkt_cls.h> |
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#include <linux/hwmon.h> |
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#include <linux/hwmon-sysfs.h> |
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#include <net/page_pool.h> |
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#include "bnxt_hsi.h" |
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#include "bnxt.h" |
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#include "bnxt_ulp.h" |
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#include "bnxt_sriov.h" |
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#include "bnxt_ethtool.h" |
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#include "bnxt_dcb.h" |
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#include "bnxt_xdp.h" |
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#include "bnxt_vfr.h" |
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#include "bnxt_tc.h" |
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#include "bnxt_devlink.h" |
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#include "bnxt_debugfs.h" |
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#define BNXT_TX_TIMEOUT (5 * HZ) |
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#define BNXT_DEF_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_HW | \ |
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NETIF_MSG_TX_ERR) |
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MODULE_LICENSE("GPL"); |
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MODULE_DESCRIPTION("Broadcom BCM573xx network driver"); |
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#define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN) |
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#define BNXT_RX_DMA_OFFSET NET_SKB_PAD |
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#define BNXT_RX_COPY_THRESH 256 |
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#define BNXT_TX_PUSH_THRESH 164 |
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enum board_idx { |
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BCM57301, |
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BCM57302, |
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BCM57304, |
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BCM57417_NPAR, |
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BCM58700, |
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BCM57311, |
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BCM57312, |
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BCM57402, |
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BCM57404, |
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BCM57406, |
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BCM57402_NPAR, |
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BCM57407, |
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BCM57412, |
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BCM57414, |
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BCM57416, |
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BCM57417, |
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BCM57412_NPAR, |
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BCM57314, |
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BCM57417_SFP, |
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BCM57416_SFP, |
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BCM57404_NPAR, |
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BCM57406_NPAR, |
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BCM57407_SFP, |
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BCM57407_NPAR, |
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BCM57414_NPAR, |
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BCM57416_NPAR, |
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BCM57452, |
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BCM57454, |
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BCM5745x_NPAR, |
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BCM57508, |
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BCM57504, |
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BCM57502, |
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BCM57508_NPAR, |
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BCM57504_NPAR, |
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BCM57502_NPAR, |
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BCM58802, |
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BCM58804, |
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BCM58808, |
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NETXTREME_E_VF, |
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NETXTREME_C_VF, |
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NETXTREME_S_VF, |
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NETXTREME_C_VF_HV, |
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NETXTREME_E_VF_HV, |
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NETXTREME_E_P5_VF, |
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NETXTREME_E_P5_VF_HV, |
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}; |
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/* indexed by enum above */ |
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static const struct { |
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char *name; |
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} board_info[] = { |
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[BCM57301] = { "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet" }, |
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[BCM57302] = { "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet" }, |
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[BCM57304] = { "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" }, |
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[BCM57417_NPAR] = { "Broadcom BCM57417 NetXtreme-E Ethernet Partition" }, |
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[BCM58700] = { "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet" }, |
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[BCM57311] = { "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet" }, |
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[BCM57312] = { "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet" }, |
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[BCM57402] = { "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet" }, |
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[BCM57404] = { "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet" }, |
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[BCM57406] = { "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet" }, |
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[BCM57402_NPAR] = { "Broadcom BCM57402 NetXtreme-E Ethernet Partition" }, |
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[BCM57407] = { "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet" }, |
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[BCM57412] = { "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet" }, |
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[BCM57414] = { "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet" }, |
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[BCM57416] = { "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet" }, |
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[BCM57417] = { "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet" }, |
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[BCM57412_NPAR] = { "Broadcom BCM57412 NetXtreme-E Ethernet Partition" }, |
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[BCM57314] = { "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" }, |
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[BCM57417_SFP] = { "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet" }, |
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[BCM57416_SFP] = { "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet" }, |
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[BCM57404_NPAR] = { "Broadcom BCM57404 NetXtreme-E Ethernet Partition" }, |
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[BCM57406_NPAR] = { "Broadcom BCM57406 NetXtreme-E Ethernet Partition" }, |
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[BCM57407_SFP] = { "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet" }, |
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[BCM57407_NPAR] = { "Broadcom BCM57407 NetXtreme-E Ethernet Partition" }, |
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[BCM57414_NPAR] = { "Broadcom BCM57414 NetXtreme-E Ethernet Partition" }, |
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[BCM57416_NPAR] = { "Broadcom BCM57416 NetXtreme-E Ethernet Partition" }, |
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[BCM57452] = { "Broadcom BCM57452 NetXtreme-E 10Gb/25Gb/40Gb/50Gb Ethernet" }, |
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[BCM57454] = { "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, |
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[BCM5745x_NPAR] = { "Broadcom BCM5745x NetXtreme-E Ethernet Partition" }, |
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[BCM57508] = { "Broadcom BCM57508 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet" }, |
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[BCM57504] = { "Broadcom BCM57504 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet" }, |
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[BCM57502] = { "Broadcom BCM57502 NetXtreme-E 10Gb/25Gb/50Gb Ethernet" }, |
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[BCM57508_NPAR] = { "Broadcom BCM57508 NetXtreme-E Ethernet Partition" }, |
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[BCM57504_NPAR] = { "Broadcom BCM57504 NetXtreme-E Ethernet Partition" }, |
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[BCM57502_NPAR] = { "Broadcom BCM57502 NetXtreme-E Ethernet Partition" }, |
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[BCM58802] = { "Broadcom BCM58802 NetXtreme-S 10Gb/25Gb/40Gb/50Gb Ethernet" }, |
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[BCM58804] = { "Broadcom BCM58804 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, |
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[BCM58808] = { "Broadcom BCM58808 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, |
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[NETXTREME_E_VF] = { "Broadcom NetXtreme-E Ethernet Virtual Function" }, |
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[NETXTREME_C_VF] = { "Broadcom NetXtreme-C Ethernet Virtual Function" }, |
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[NETXTREME_S_VF] = { "Broadcom NetXtreme-S Ethernet Virtual Function" }, |
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[NETXTREME_C_VF_HV] = { "Broadcom NetXtreme-C Virtual Function for Hyper-V" }, |
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[NETXTREME_E_VF_HV] = { "Broadcom NetXtreme-E Virtual Function for Hyper-V" }, |
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[NETXTREME_E_P5_VF] = { "Broadcom BCM5750X NetXtreme-E Ethernet Virtual Function" }, |
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[NETXTREME_E_P5_VF_HV] = { "Broadcom BCM5750X NetXtreme-E Virtual Function for Hyper-V" }, |
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}; |
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static const struct pci_device_id bnxt_pci_tbl[] = { |
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{ PCI_VDEVICE(BROADCOM, 0x1604), .driver_data = BCM5745x_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1605), .driver_data = BCM5745x_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1614), .driver_data = BCM57454 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c0), .driver_data = BCM57417_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c8), .driver_data = BCM57301 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c9), .driver_data = BCM57302 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ca), .driver_data = BCM57304 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16cc), .driver_data = BCM57417_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16cd), .driver_data = BCM58700 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ce), .driver_data = BCM57311 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16cf), .driver_data = BCM57312 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d0), .driver_data = BCM57402 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d1), .driver_data = BCM57404 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d2), .driver_data = BCM57406 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d4), .driver_data = BCM57402_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d5), .driver_data = BCM57407 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d6), .driver_data = BCM57412 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d7), .driver_data = BCM57414 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d8), .driver_data = BCM57416 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d9), .driver_data = BCM57417 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16de), .driver_data = BCM57412_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16df), .driver_data = BCM57314 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e2), .driver_data = BCM57417_SFP }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e3), .driver_data = BCM57416_SFP }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e7), .driver_data = BCM57404_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e8), .driver_data = BCM57406_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e9), .driver_data = BCM57407_SFP }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ea), .driver_data = BCM57407_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16eb), .driver_data = BCM57412_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ec), .driver_data = BCM57414_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ed), .driver_data = BCM57414_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ee), .driver_data = BCM57416_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16ef), .driver_data = BCM57416_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x16f0), .driver_data = BCM58808 }, |
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{ PCI_VDEVICE(BROADCOM, 0x16f1), .driver_data = BCM57452 }, |
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{ PCI_VDEVICE(BROADCOM, 0x1750), .driver_data = BCM57508 }, |
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{ PCI_VDEVICE(BROADCOM, 0x1751), .driver_data = BCM57504 }, |
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{ PCI_VDEVICE(BROADCOM, 0x1752), .driver_data = BCM57502 }, |
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{ PCI_VDEVICE(BROADCOM, 0x1800), .driver_data = BCM57508_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1801), .driver_data = BCM57504_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1802), .driver_data = BCM57502_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1803), .driver_data = BCM57508_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1804), .driver_data = BCM57504_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0x1805), .driver_data = BCM57502_NPAR }, |
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{ PCI_VDEVICE(BROADCOM, 0xd802), .driver_data = BCM58802 }, |
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{ PCI_VDEVICE(BROADCOM, 0xd804), .driver_data = BCM58804 }, |
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#ifdef CONFIG_BNXT_SRIOV |
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{ PCI_VDEVICE(BROADCOM, 0x1606), .driver_data = NETXTREME_E_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x1607), .driver_data = NETXTREME_E_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x1608), .driver_data = NETXTREME_E_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x1609), .driver_data = NETXTREME_E_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16bd), .driver_data = NETXTREME_E_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c1), .driver_data = NETXTREME_E_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c2), .driver_data = NETXTREME_C_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c3), .driver_data = NETXTREME_C_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c4), .driver_data = NETXTREME_E_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x16c5), .driver_data = NETXTREME_E_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x16cb), .driver_data = NETXTREME_C_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16d3), .driver_data = NETXTREME_E_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16dc), .driver_data = NETXTREME_E_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e1), .driver_data = NETXTREME_C_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e5), .driver_data = NETXTREME_C_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x16e6), .driver_data = NETXTREME_C_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x1806), .driver_data = NETXTREME_E_P5_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x1807), .driver_data = NETXTREME_E_P5_VF }, |
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{ PCI_VDEVICE(BROADCOM, 0x1808), .driver_data = NETXTREME_E_P5_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0x1809), .driver_data = NETXTREME_E_P5_VF_HV }, |
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{ PCI_VDEVICE(BROADCOM, 0xd800), .driver_data = NETXTREME_S_VF }, |
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#endif |
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{ 0 } |
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}; |
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MODULE_DEVICE_TABLE(pci, bnxt_pci_tbl); |
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static const u16 bnxt_vf_req_snif[] = { |
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HWRM_FUNC_CFG, |
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HWRM_FUNC_VF_CFG, |
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HWRM_PORT_PHY_QCFG, |
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HWRM_CFA_L2_FILTER_ALLOC, |
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}; |
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static const u16 bnxt_async_events_arr[] = { |
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ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE, |
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ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE, |
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ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD, |
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ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED, |
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ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE, |
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ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE, |
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ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE, |
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ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY, |
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ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY, |
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ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG, |
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}; |
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static struct workqueue_struct *bnxt_pf_wq; |
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static bool bnxt_vf_pciid(enum board_idx idx) |
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{ |
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return (idx == NETXTREME_C_VF || idx == NETXTREME_E_VF || |
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idx == NETXTREME_S_VF || idx == NETXTREME_C_VF_HV || |
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idx == NETXTREME_E_VF_HV || idx == NETXTREME_E_P5_VF || |
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idx == NETXTREME_E_P5_VF_HV); |
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} |
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#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID) |
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#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS) |
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#define DB_CP_IRQ_DIS_FLAGS (DB_KEY_CP | DB_IRQ_DIS) |
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#define BNXT_CP_DB_IRQ_DIS(db) \ |
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writel(DB_CP_IRQ_DIS_FLAGS, db) |
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#define BNXT_DB_CQ(db, idx) \ |
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writel(DB_CP_FLAGS | RING_CMP(idx), (db)->doorbell) |
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|
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#define BNXT_DB_NQ_P5(db, idx) \ |
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writeq((db)->db_key64 | DBR_TYPE_NQ | RING_CMP(idx), (db)->doorbell) |
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|
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#define BNXT_DB_CQ_ARM(db, idx) \ |
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writel(DB_CP_REARM_FLAGS | RING_CMP(idx), (db)->doorbell) |
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|
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#define BNXT_DB_NQ_ARM_P5(db, idx) \ |
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writeq((db)->db_key64 | DBR_TYPE_NQ_ARM | RING_CMP(idx), (db)->doorbell) |
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|
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static void bnxt_db_nq(struct bnxt *bp, struct bnxt_db_info *db, u32 idx) |
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{ |
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if (bp->flags & BNXT_FLAG_CHIP_P5) |
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BNXT_DB_NQ_P5(db, idx); |
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else |
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BNXT_DB_CQ(db, idx); |
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} |
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static void bnxt_db_nq_arm(struct bnxt *bp, struct bnxt_db_info *db, u32 idx) |
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{ |
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if (bp->flags & BNXT_FLAG_CHIP_P5) |
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BNXT_DB_NQ_ARM_P5(db, idx); |
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else |
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BNXT_DB_CQ_ARM(db, idx); |
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} |
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static void bnxt_db_cq(struct bnxt *bp, struct bnxt_db_info *db, u32 idx) |
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{ |
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if (bp->flags & BNXT_FLAG_CHIP_P5) |
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writeq(db->db_key64 | DBR_TYPE_CQ_ARMALL | RING_CMP(idx), |
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db->doorbell); |
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else |
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BNXT_DB_CQ(db, idx); |
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} |
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|
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const u16 bnxt_lhint_arr[] = { |
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TX_BD_FLAGS_LHINT_512_AND_SMALLER, |
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TX_BD_FLAGS_LHINT_512_TO_1023, |
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TX_BD_FLAGS_LHINT_1024_TO_2047, |
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TX_BD_FLAGS_LHINT_1024_TO_2047, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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TX_BD_FLAGS_LHINT_2048_AND_LARGER, |
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}; |
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|
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static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb) |
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{ |
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struct metadata_dst *md_dst = skb_metadata_dst(skb); |
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|
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if (!md_dst || md_dst->type != METADATA_HW_PORT_MUX) |
|
return 0; |
|
|
|
return md_dst->u.port_info.port_id; |
|
} |
|
|
|
static void bnxt_txr_db_kick(struct bnxt *bp, struct bnxt_tx_ring_info *txr, |
|
u16 prod) |
|
{ |
|
bnxt_db_write(bp, &txr->tx_db, prod); |
|
txr->kick_pending = 0; |
|
} |
|
|
|
static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp, |
|
struct bnxt_tx_ring_info *txr, |
|
struct netdev_queue *txq) |
|
{ |
|
netif_tx_stop_queue(txq); |
|
|
|
/* netif_tx_stop_queue() must be done before checking |
|
* tx index in bnxt_tx_avail() below, because in |
|
* bnxt_tx_int(), we update tx index before checking for |
|
* netif_tx_queue_stopped(). |
|
*/ |
|
smp_mb(); |
|
if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) { |
|
netif_tx_wake_queue(txq); |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
struct tx_bd *txbd; |
|
struct tx_bd_ext *txbd1; |
|
struct netdev_queue *txq; |
|
int i; |
|
dma_addr_t mapping; |
|
unsigned int length, pad = 0; |
|
u32 len, free_size, vlan_tag_flags, cfa_action, flags; |
|
u16 prod, last_frag; |
|
struct pci_dev *pdev = bp->pdev; |
|
struct bnxt_tx_ring_info *txr; |
|
struct bnxt_sw_tx_bd *tx_buf; |
|
|
|
i = skb_get_queue_mapping(skb); |
|
if (unlikely(i >= bp->tx_nr_rings)) { |
|
dev_kfree_skb_any(skb); |
|
atomic_long_inc(&dev->tx_dropped); |
|
return NETDEV_TX_OK; |
|
} |
|
|
|
txq = netdev_get_tx_queue(dev, i); |
|
txr = &bp->tx_ring[bp->tx_ring_map[i]]; |
|
prod = txr->tx_prod; |
|
|
|
free_size = bnxt_tx_avail(bp, txr); |
|
if (unlikely(free_size < skb_shinfo(skb)->nr_frags + 2)) { |
|
/* We must have raced with NAPI cleanup */ |
|
if (net_ratelimit() && txr->kick_pending) |
|
netif_warn(bp, tx_err, dev, |
|
"bnxt: ring busy w/ flush pending!\n"); |
|
if (bnxt_txr_netif_try_stop_queue(bp, txr, txq)) |
|
return NETDEV_TX_BUSY; |
|
} |
|
|
|
length = skb->len; |
|
len = skb_headlen(skb); |
|
last_frag = skb_shinfo(skb)->nr_frags; |
|
|
|
txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; |
|
|
|
txbd->tx_bd_opaque = prod; |
|
|
|
tx_buf = &txr->tx_buf_ring[prod]; |
|
tx_buf->skb = skb; |
|
tx_buf->nr_frags = last_frag; |
|
|
|
vlan_tag_flags = 0; |
|
cfa_action = bnxt_xmit_get_cfa_action(skb); |
|
if (skb_vlan_tag_present(skb)) { |
|
vlan_tag_flags = TX_BD_CFA_META_KEY_VLAN | |
|
skb_vlan_tag_get(skb); |
|
/* Currently supports 8021Q, 8021AD vlan offloads |
|
* QINQ1, QINQ2, QINQ3 vlan headers are deprecated |
|
*/ |
|
if (skb->vlan_proto == htons(ETH_P_8021Q)) |
|
vlan_tag_flags |= 1 << TX_BD_CFA_META_TPID_SHIFT; |
|
} |
|
|
|
if (free_size == bp->tx_ring_size && length <= bp->tx_push_thresh) { |
|
struct tx_push_buffer *tx_push_buf = txr->tx_push; |
|
struct tx_push_bd *tx_push = &tx_push_buf->push_bd; |
|
struct tx_bd_ext *tx_push1 = &tx_push->txbd2; |
|
void __iomem *db = txr->tx_db.doorbell; |
|
void *pdata = tx_push_buf->data; |
|
u64 *end; |
|
int j, push_len; |
|
|
|
/* Set COAL_NOW to be ready quickly for the next push */ |
|
tx_push->tx_bd_len_flags_type = |
|
cpu_to_le32((length << TX_BD_LEN_SHIFT) | |
|
TX_BD_TYPE_LONG_TX_BD | |
|
TX_BD_FLAGS_LHINT_512_AND_SMALLER | |
|
TX_BD_FLAGS_COAL_NOW | |
|
TX_BD_FLAGS_PACKET_END | |
|
(2 << TX_BD_FLAGS_BD_CNT_SHIFT)); |
|
|
|
if (skb->ip_summed == CHECKSUM_PARTIAL) |
|
tx_push1->tx_bd_hsize_lflags = |
|
cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM); |
|
else |
|
tx_push1->tx_bd_hsize_lflags = 0; |
|
|
|
tx_push1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags); |
|
tx_push1->tx_bd_cfa_action = |
|
cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT); |
|
|
|
end = pdata + length; |
|
end = PTR_ALIGN(end, 8) - 1; |
|
*end = 0; |
|
|
|
skb_copy_from_linear_data(skb, pdata, len); |
|
pdata += len; |
|
for (j = 0; j < last_frag; j++) { |
|
skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; |
|
void *fptr; |
|
|
|
fptr = skb_frag_address_safe(frag); |
|
if (!fptr) |
|
goto normal_tx; |
|
|
|
memcpy(pdata, fptr, skb_frag_size(frag)); |
|
pdata += skb_frag_size(frag); |
|
} |
|
|
|
txbd->tx_bd_len_flags_type = tx_push->tx_bd_len_flags_type; |
|
txbd->tx_bd_haddr = txr->data_mapping; |
|
prod = NEXT_TX(prod); |
|
txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; |
|
memcpy(txbd, tx_push1, sizeof(*txbd)); |
|
prod = NEXT_TX(prod); |
|
tx_push->doorbell = |
|
cpu_to_le32(DB_KEY_TX_PUSH | DB_LONG_TX_PUSH | prod); |
|
txr->tx_prod = prod; |
|
|
|
tx_buf->is_push = 1; |
|
netdev_tx_sent_queue(txq, skb->len); |
|
wmb(); /* Sync is_push and byte queue before pushing data */ |
|
|
|
push_len = (length + sizeof(*tx_push) + 7) / 8; |
|
if (push_len > 16) { |
|
__iowrite64_copy(db, tx_push_buf, 16); |
|
__iowrite32_copy(db + 4, tx_push_buf + 1, |
|
(push_len - 16) << 1); |
|
} else { |
|
__iowrite64_copy(db, tx_push_buf, push_len); |
|
} |
|
|
|
goto tx_done; |
|
} |
|
|
|
normal_tx: |
|
if (length < BNXT_MIN_PKT_SIZE) { |
|
pad = BNXT_MIN_PKT_SIZE - length; |
|
if (skb_pad(skb, pad)) |
|
/* SKB already freed. */ |
|
goto tx_kick_pending; |
|
length = BNXT_MIN_PKT_SIZE; |
|
} |
|
|
|
mapping = dma_map_single(&pdev->dev, skb->data, len, DMA_TO_DEVICE); |
|
|
|
if (unlikely(dma_mapping_error(&pdev->dev, mapping))) |
|
goto tx_free; |
|
|
|
dma_unmap_addr_set(tx_buf, mapping, mapping); |
|
flags = (len << TX_BD_LEN_SHIFT) | TX_BD_TYPE_LONG_TX_BD | |
|
((last_frag + 2) << TX_BD_FLAGS_BD_CNT_SHIFT); |
|
|
|
txbd->tx_bd_haddr = cpu_to_le64(mapping); |
|
|
|
prod = NEXT_TX(prod); |
|
txbd1 = (struct tx_bd_ext *) |
|
&txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; |
|
|
|
txbd1->tx_bd_hsize_lflags = 0; |
|
if (skb_is_gso(skb)) { |
|
u32 hdr_len; |
|
|
|
if (skb->encapsulation) |
|
hdr_len = skb_inner_network_offset(skb) + |
|
skb_inner_network_header_len(skb) + |
|
inner_tcp_hdrlen(skb); |
|
else |
|
hdr_len = skb_transport_offset(skb) + |
|
tcp_hdrlen(skb); |
|
|
|
txbd1->tx_bd_hsize_lflags = cpu_to_le32(TX_BD_FLAGS_LSO | |
|
TX_BD_FLAGS_T_IPID | |
|
(hdr_len << (TX_BD_HSIZE_SHIFT - 1))); |
|
length = skb_shinfo(skb)->gso_size; |
|
txbd1->tx_bd_mss = cpu_to_le32(length); |
|
length += hdr_len; |
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
|
txbd1->tx_bd_hsize_lflags = |
|
cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM); |
|
txbd1->tx_bd_mss = 0; |
|
} |
|
|
|
length >>= 9; |
|
if (unlikely(length >= ARRAY_SIZE(bnxt_lhint_arr))) { |
|
dev_warn_ratelimited(&pdev->dev, "Dropped oversize %d bytes TX packet.\n", |
|
skb->len); |
|
i = 0; |
|
goto tx_dma_error; |
|
} |
|
flags |= bnxt_lhint_arr[length]; |
|
txbd->tx_bd_len_flags_type = cpu_to_le32(flags); |
|
|
|
txbd1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags); |
|
txbd1->tx_bd_cfa_action = |
|
cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT); |
|
for (i = 0; i < last_frag; i++) { |
|
skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
|
|
|
prod = NEXT_TX(prod); |
|
txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; |
|
|
|
len = skb_frag_size(frag); |
|
mapping = skb_frag_dma_map(&pdev->dev, frag, 0, len, |
|
DMA_TO_DEVICE); |
|
|
|
if (unlikely(dma_mapping_error(&pdev->dev, mapping))) |
|
goto tx_dma_error; |
|
|
|
tx_buf = &txr->tx_buf_ring[prod]; |
|
dma_unmap_addr_set(tx_buf, mapping, mapping); |
|
|
|
txbd->tx_bd_haddr = cpu_to_le64(mapping); |
|
|
|
flags = len << TX_BD_LEN_SHIFT; |
|
txbd->tx_bd_len_flags_type = cpu_to_le32(flags); |
|
} |
|
|
|
flags &= ~TX_BD_LEN; |
|
txbd->tx_bd_len_flags_type = |
|
cpu_to_le32(((len + pad) << TX_BD_LEN_SHIFT) | flags | |
|
TX_BD_FLAGS_PACKET_END); |
|
|
|
netdev_tx_sent_queue(txq, skb->len); |
|
|
|
/* Sync BD data before updating doorbell */ |
|
wmb(); |
|
|
|
prod = NEXT_TX(prod); |
|
txr->tx_prod = prod; |
|
|
|
if (!netdev_xmit_more() || netif_xmit_stopped(txq)) |
|
bnxt_txr_db_kick(bp, txr, prod); |
|
else |
|
txr->kick_pending = 1; |
|
|
|
tx_done: |
|
|
|
if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) { |
|
if (netdev_xmit_more() && !tx_buf->is_push) |
|
bnxt_txr_db_kick(bp, txr, prod); |
|
|
|
bnxt_txr_netif_try_stop_queue(bp, txr, txq); |
|
} |
|
return NETDEV_TX_OK; |
|
|
|
tx_dma_error: |
|
last_frag = i; |
|
|
|
/* start back at beginning and unmap skb */ |
|
prod = txr->tx_prod; |
|
tx_buf = &txr->tx_buf_ring[prod]; |
|
dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping), |
|
skb_headlen(skb), PCI_DMA_TODEVICE); |
|
prod = NEXT_TX(prod); |
|
|
|
/* unmap remaining mapped pages */ |
|
for (i = 0; i < last_frag; i++) { |
|
prod = NEXT_TX(prod); |
|
tx_buf = &txr->tx_buf_ring[prod]; |
|
dma_unmap_page(&pdev->dev, dma_unmap_addr(tx_buf, mapping), |
|
skb_frag_size(&skb_shinfo(skb)->frags[i]), |
|
PCI_DMA_TODEVICE); |
|
} |
|
|
|
tx_free: |
|
dev_kfree_skb_any(skb); |
|
tx_kick_pending: |
|
if (txr->kick_pending) |
|
bnxt_txr_db_kick(bp, txr, txr->tx_prod); |
|
txr->tx_buf_ring[txr->tx_prod].skb = NULL; |
|
atomic_long_inc(&dev->tx_dropped); |
|
return NETDEV_TX_OK; |
|
} |
|
|
|
static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts) |
|
{ |
|
struct bnxt_tx_ring_info *txr = bnapi->tx_ring; |
|
struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txr->txq_index); |
|
u16 cons = txr->tx_cons; |
|
struct pci_dev *pdev = bp->pdev; |
|
int i; |
|
unsigned int tx_bytes = 0; |
|
|
|
for (i = 0; i < nr_pkts; i++) { |
|
struct bnxt_sw_tx_bd *tx_buf; |
|
struct sk_buff *skb; |
|
int j, last; |
|
|
|
tx_buf = &txr->tx_buf_ring[cons]; |
|
cons = NEXT_TX(cons); |
|
skb = tx_buf->skb; |
|
tx_buf->skb = NULL; |
|
|
|
if (tx_buf->is_push) { |
|
tx_buf->is_push = 0; |
|
goto next_tx_int; |
|
} |
|
|
|
dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping), |
|
skb_headlen(skb), PCI_DMA_TODEVICE); |
|
last = tx_buf->nr_frags; |
|
|
|
for (j = 0; j < last; j++) { |
|
cons = NEXT_TX(cons); |
|
tx_buf = &txr->tx_buf_ring[cons]; |
|
dma_unmap_page( |
|
&pdev->dev, |
|
dma_unmap_addr(tx_buf, mapping), |
|
skb_frag_size(&skb_shinfo(skb)->frags[j]), |
|
PCI_DMA_TODEVICE); |
|
} |
|
|
|
next_tx_int: |
|
cons = NEXT_TX(cons); |
|
|
|
tx_bytes += skb->len; |
|
dev_kfree_skb_any(skb); |
|
} |
|
|
|
netdev_tx_completed_queue(txq, nr_pkts, tx_bytes); |
|
txr->tx_cons = cons; |
|
|
|
/* Need to make the tx_cons update visible to bnxt_start_xmit() |
|
* before checking for netif_tx_queue_stopped(). Without the |
|
* memory barrier, there is a small possibility that bnxt_start_xmit() |
|
* will miss it and cause the queue to be stopped forever. |
|
*/ |
|
smp_mb(); |
|
|
|
if (unlikely(netif_tx_queue_stopped(txq)) && |
|
bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh && |
|
READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING) |
|
netif_tx_wake_queue(txq); |
|
} |
|
|
|
static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping, |
|
struct bnxt_rx_ring_info *rxr, |
|
gfp_t gfp) |
|
{ |
|
struct device *dev = &bp->pdev->dev; |
|
struct page *page; |
|
|
|
page = page_pool_dev_alloc_pages(rxr->page_pool); |
|
if (!page) |
|
return NULL; |
|
|
|
*mapping = dma_map_page_attrs(dev, page, 0, PAGE_SIZE, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
if (dma_mapping_error(dev, *mapping)) { |
|
page_pool_recycle_direct(rxr->page_pool, page); |
|
return NULL; |
|
} |
|
*mapping += bp->rx_dma_offset; |
|
return page; |
|
} |
|
|
|
static inline u8 *__bnxt_alloc_rx_data(struct bnxt *bp, dma_addr_t *mapping, |
|
gfp_t gfp) |
|
{ |
|
u8 *data; |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
data = kmalloc(bp->rx_buf_size, gfp); |
|
if (!data) |
|
return NULL; |
|
|
|
*mapping = dma_map_single_attrs(&pdev->dev, data + bp->rx_dma_offset, |
|
bp->rx_buf_use_size, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
|
|
if (dma_mapping_error(&pdev->dev, *mapping)) { |
|
kfree(data); |
|
data = NULL; |
|
} |
|
return data; |
|
} |
|
|
|
int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, |
|
u16 prod, gfp_t gfp) |
|
{ |
|
struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)]; |
|
struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod]; |
|
dma_addr_t mapping; |
|
|
|
if (BNXT_RX_PAGE_MODE(bp)) { |
|
struct page *page = |
|
__bnxt_alloc_rx_page(bp, &mapping, rxr, gfp); |
|
|
|
if (!page) |
|
return -ENOMEM; |
|
|
|
rx_buf->data = page; |
|
rx_buf->data_ptr = page_address(page) + bp->rx_offset; |
|
} else { |
|
u8 *data = __bnxt_alloc_rx_data(bp, &mapping, gfp); |
|
|
|
if (!data) |
|
return -ENOMEM; |
|
|
|
rx_buf->data = data; |
|
rx_buf->data_ptr = data + bp->rx_offset; |
|
} |
|
rx_buf->mapping = mapping; |
|
|
|
rxbd->rx_bd_haddr = cpu_to_le64(mapping); |
|
return 0; |
|
} |
|
|
|
void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data) |
|
{ |
|
u16 prod = rxr->rx_prod; |
|
struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf; |
|
struct rx_bd *cons_bd, *prod_bd; |
|
|
|
prod_rx_buf = &rxr->rx_buf_ring[prod]; |
|
cons_rx_buf = &rxr->rx_buf_ring[cons]; |
|
|
|
prod_rx_buf->data = data; |
|
prod_rx_buf->data_ptr = cons_rx_buf->data_ptr; |
|
|
|
prod_rx_buf->mapping = cons_rx_buf->mapping; |
|
|
|
prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)]; |
|
cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)]; |
|
|
|
prod_bd->rx_bd_haddr = cons_bd->rx_bd_haddr; |
|
} |
|
|
|
static inline u16 bnxt_find_next_agg_idx(struct bnxt_rx_ring_info *rxr, u16 idx) |
|
{ |
|
u16 next, max = rxr->rx_agg_bmap_size; |
|
|
|
next = find_next_zero_bit(rxr->rx_agg_bmap, max, idx); |
|
if (next >= max) |
|
next = find_first_zero_bit(rxr->rx_agg_bmap, max); |
|
return next; |
|
} |
|
|
|
static inline int bnxt_alloc_rx_page(struct bnxt *bp, |
|
struct bnxt_rx_ring_info *rxr, |
|
u16 prod, gfp_t gfp) |
|
{ |
|
struct rx_bd *rxbd = |
|
&rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)]; |
|
struct bnxt_sw_rx_agg_bd *rx_agg_buf; |
|
struct pci_dev *pdev = bp->pdev; |
|
struct page *page; |
|
dma_addr_t mapping; |
|
u16 sw_prod = rxr->rx_sw_agg_prod; |
|
unsigned int offset = 0; |
|
|
|
if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) { |
|
page = rxr->rx_page; |
|
if (!page) { |
|
page = alloc_page(gfp); |
|
if (!page) |
|
return -ENOMEM; |
|
rxr->rx_page = page; |
|
rxr->rx_page_offset = 0; |
|
} |
|
offset = rxr->rx_page_offset; |
|
rxr->rx_page_offset += BNXT_RX_PAGE_SIZE; |
|
if (rxr->rx_page_offset == PAGE_SIZE) |
|
rxr->rx_page = NULL; |
|
else |
|
get_page(page); |
|
} else { |
|
page = alloc_page(gfp); |
|
if (!page) |
|
return -ENOMEM; |
|
} |
|
|
|
mapping = dma_map_page_attrs(&pdev->dev, page, offset, |
|
BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE, |
|
DMA_ATTR_WEAK_ORDERING); |
|
if (dma_mapping_error(&pdev->dev, mapping)) { |
|
__free_page(page); |
|
return -EIO; |
|
} |
|
|
|
if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap))) |
|
sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod); |
|
|
|
__set_bit(sw_prod, rxr->rx_agg_bmap); |
|
rx_agg_buf = &rxr->rx_agg_ring[sw_prod]; |
|
rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod); |
|
|
|
rx_agg_buf->page = page; |
|
rx_agg_buf->offset = offset; |
|
rx_agg_buf->mapping = mapping; |
|
rxbd->rx_bd_haddr = cpu_to_le64(mapping); |
|
rxbd->rx_bd_opaque = sw_prod; |
|
return 0; |
|
} |
|
|
|
static struct rx_agg_cmp *bnxt_get_agg(struct bnxt *bp, |
|
struct bnxt_cp_ring_info *cpr, |
|
u16 cp_cons, u16 curr) |
|
{ |
|
struct rx_agg_cmp *agg; |
|
|
|
cp_cons = RING_CMP(ADV_RAW_CMP(cp_cons, curr)); |
|
agg = (struct rx_agg_cmp *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
return agg; |
|
} |
|
|
|
static struct rx_agg_cmp *bnxt_get_tpa_agg_p5(struct bnxt *bp, |
|
struct bnxt_rx_ring_info *rxr, |
|
u16 agg_id, u16 curr) |
|
{ |
|
struct bnxt_tpa_info *tpa_info = &rxr->rx_tpa[agg_id]; |
|
|
|
return &tpa_info->agg_arr[curr]; |
|
} |
|
|
|
static void bnxt_reuse_rx_agg_bufs(struct bnxt_cp_ring_info *cpr, u16 idx, |
|
u16 start, u32 agg_bufs, bool tpa) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
struct bnxt *bp = bnapi->bp; |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
u16 prod = rxr->rx_agg_prod; |
|
u16 sw_prod = rxr->rx_sw_agg_prod; |
|
bool p5_tpa = false; |
|
u32 i; |
|
|
|
if ((bp->flags & BNXT_FLAG_CHIP_P5) && tpa) |
|
p5_tpa = true; |
|
|
|
for (i = 0; i < agg_bufs; i++) { |
|
u16 cons; |
|
struct rx_agg_cmp *agg; |
|
struct bnxt_sw_rx_agg_bd *cons_rx_buf, *prod_rx_buf; |
|
struct rx_bd *prod_bd; |
|
struct page *page; |
|
|
|
if (p5_tpa) |
|
agg = bnxt_get_tpa_agg_p5(bp, rxr, idx, start + i); |
|
else |
|
agg = bnxt_get_agg(bp, cpr, idx, start + i); |
|
cons = agg->rx_agg_cmp_opaque; |
|
__clear_bit(cons, rxr->rx_agg_bmap); |
|
|
|
if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap))) |
|
sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod); |
|
|
|
__set_bit(sw_prod, rxr->rx_agg_bmap); |
|
prod_rx_buf = &rxr->rx_agg_ring[sw_prod]; |
|
cons_rx_buf = &rxr->rx_agg_ring[cons]; |
|
|
|
/* It is possible for sw_prod to be equal to cons, so |
|
* set cons_rx_buf->page to NULL first. |
|
*/ |
|
page = cons_rx_buf->page; |
|
cons_rx_buf->page = NULL; |
|
prod_rx_buf->page = page; |
|
prod_rx_buf->offset = cons_rx_buf->offset; |
|
|
|
prod_rx_buf->mapping = cons_rx_buf->mapping; |
|
|
|
prod_bd = &rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)]; |
|
|
|
prod_bd->rx_bd_haddr = cpu_to_le64(cons_rx_buf->mapping); |
|
prod_bd->rx_bd_opaque = sw_prod; |
|
|
|
prod = NEXT_RX_AGG(prod); |
|
sw_prod = NEXT_RX_AGG(sw_prod); |
|
} |
|
rxr->rx_agg_prod = prod; |
|
rxr->rx_sw_agg_prod = sw_prod; |
|
} |
|
|
|
static struct sk_buff *bnxt_rx_page_skb(struct bnxt *bp, |
|
struct bnxt_rx_ring_info *rxr, |
|
u16 cons, void *data, u8 *data_ptr, |
|
dma_addr_t dma_addr, |
|
unsigned int offset_and_len) |
|
{ |
|
unsigned int payload = offset_and_len >> 16; |
|
unsigned int len = offset_and_len & 0xffff; |
|
skb_frag_t *frag; |
|
struct page *page = data; |
|
u16 prod = rxr->rx_prod; |
|
struct sk_buff *skb; |
|
int off, err; |
|
|
|
err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC); |
|
if (unlikely(err)) { |
|
bnxt_reuse_rx_data(rxr, cons, data); |
|
return NULL; |
|
} |
|
dma_addr -= bp->rx_dma_offset; |
|
dma_unmap_page_attrs(&bp->pdev->dev, dma_addr, PAGE_SIZE, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
page_pool_release_page(rxr->page_pool, page); |
|
|
|
if (unlikely(!payload)) |
|
payload = eth_get_headlen(bp->dev, data_ptr, len); |
|
|
|
skb = napi_alloc_skb(&rxr->bnapi->napi, payload); |
|
if (!skb) { |
|
__free_page(page); |
|
return NULL; |
|
} |
|
|
|
off = (void *)data_ptr - page_address(page); |
|
skb_add_rx_frag(skb, 0, page, off, len, PAGE_SIZE); |
|
memcpy(skb->data - NET_IP_ALIGN, data_ptr - NET_IP_ALIGN, |
|
payload + NET_IP_ALIGN); |
|
|
|
frag = &skb_shinfo(skb)->frags[0]; |
|
skb_frag_size_sub(frag, payload); |
|
skb_frag_off_add(frag, payload); |
|
skb->data_len -= payload; |
|
skb->tail += payload; |
|
|
|
return skb; |
|
} |
|
|
|
static struct sk_buff *bnxt_rx_skb(struct bnxt *bp, |
|
struct bnxt_rx_ring_info *rxr, u16 cons, |
|
void *data, u8 *data_ptr, |
|
dma_addr_t dma_addr, |
|
unsigned int offset_and_len) |
|
{ |
|
u16 prod = rxr->rx_prod; |
|
struct sk_buff *skb; |
|
int err; |
|
|
|
err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC); |
|
if (unlikely(err)) { |
|
bnxt_reuse_rx_data(rxr, cons, data); |
|
return NULL; |
|
} |
|
|
|
skb = build_skb(data, 0); |
|
dma_unmap_single_attrs(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size, |
|
bp->rx_dir, DMA_ATTR_WEAK_ORDERING); |
|
if (!skb) { |
|
kfree(data); |
|
return NULL; |
|
} |
|
|
|
skb_reserve(skb, bp->rx_offset); |
|
skb_put(skb, offset_and_len & 0xffff); |
|
return skb; |
|
} |
|
|
|
static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, |
|
struct bnxt_cp_ring_info *cpr, |
|
struct sk_buff *skb, u16 idx, |
|
u32 agg_bufs, bool tpa) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
struct pci_dev *pdev = bp->pdev; |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
u16 prod = rxr->rx_agg_prod; |
|
bool p5_tpa = false; |
|
u32 i; |
|
|
|
if ((bp->flags & BNXT_FLAG_CHIP_P5) && tpa) |
|
p5_tpa = true; |
|
|
|
for (i = 0; i < agg_bufs; i++) { |
|
u16 cons, frag_len; |
|
struct rx_agg_cmp *agg; |
|
struct bnxt_sw_rx_agg_bd *cons_rx_buf; |
|
struct page *page; |
|
dma_addr_t mapping; |
|
|
|
if (p5_tpa) |
|
agg = bnxt_get_tpa_agg_p5(bp, rxr, idx, i); |
|
else |
|
agg = bnxt_get_agg(bp, cpr, idx, i); |
|
cons = agg->rx_agg_cmp_opaque; |
|
frag_len = (le32_to_cpu(agg->rx_agg_cmp_len_flags_type) & |
|
RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT; |
|
|
|
cons_rx_buf = &rxr->rx_agg_ring[cons]; |
|
skb_fill_page_desc(skb, i, cons_rx_buf->page, |
|
cons_rx_buf->offset, frag_len); |
|
__clear_bit(cons, rxr->rx_agg_bmap); |
|
|
|
/* It is possible for bnxt_alloc_rx_page() to allocate |
|
* a sw_prod index that equals the cons index, so we |
|
* need to clear the cons entry now. |
|
*/ |
|
mapping = cons_rx_buf->mapping; |
|
page = cons_rx_buf->page; |
|
cons_rx_buf->page = NULL; |
|
|
|
if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_ATOMIC) != 0) { |
|
struct skb_shared_info *shinfo; |
|
unsigned int nr_frags; |
|
|
|
shinfo = skb_shinfo(skb); |
|
nr_frags = --shinfo->nr_frags; |
|
__skb_frag_set_page(&shinfo->frags[nr_frags], NULL); |
|
|
|
dev_kfree_skb(skb); |
|
|
|
cons_rx_buf->page = page; |
|
|
|
/* Update prod since possibly some pages have been |
|
* allocated already. |
|
*/ |
|
rxr->rx_agg_prod = prod; |
|
bnxt_reuse_rx_agg_bufs(cpr, idx, i, agg_bufs - i, tpa); |
|
return NULL; |
|
} |
|
|
|
dma_unmap_page_attrs(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE, |
|
PCI_DMA_FROMDEVICE, |
|
DMA_ATTR_WEAK_ORDERING); |
|
|
|
skb->data_len += frag_len; |
|
skb->len += frag_len; |
|
skb->truesize += PAGE_SIZE; |
|
|
|
prod = NEXT_RX_AGG(prod); |
|
} |
|
rxr->rx_agg_prod = prod; |
|
return skb; |
|
} |
|
|
|
static int bnxt_agg_bufs_valid(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, |
|
u8 agg_bufs, u32 *raw_cons) |
|
{ |
|
u16 last; |
|
struct rx_agg_cmp *agg; |
|
|
|
*raw_cons = ADV_RAW_CMP(*raw_cons, agg_bufs); |
|
last = RING_CMP(*raw_cons); |
|
agg = (struct rx_agg_cmp *) |
|
&cpr->cp_desc_ring[CP_RING(last)][CP_IDX(last)]; |
|
return RX_AGG_CMP_VALID(agg, *raw_cons); |
|
} |
|
|
|
static inline struct sk_buff *bnxt_copy_skb(struct bnxt_napi *bnapi, u8 *data, |
|
unsigned int len, |
|
dma_addr_t mapping) |
|
{ |
|
struct bnxt *bp = bnapi->bp; |
|
struct pci_dev *pdev = bp->pdev; |
|
struct sk_buff *skb; |
|
|
|
skb = napi_alloc_skb(&bnapi->napi, len); |
|
if (!skb) |
|
return NULL; |
|
|
|
dma_sync_single_for_cpu(&pdev->dev, mapping, bp->rx_copy_thresh, |
|
bp->rx_dir); |
|
|
|
memcpy(skb->data - NET_IP_ALIGN, data - NET_IP_ALIGN, |
|
len + NET_IP_ALIGN); |
|
|
|
dma_sync_single_for_device(&pdev->dev, mapping, bp->rx_copy_thresh, |
|
bp->rx_dir); |
|
|
|
skb_put(skb, len); |
|
return skb; |
|
} |
|
|
|
static int bnxt_discard_rx(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, |
|
u32 *raw_cons, void *cmp) |
|
{ |
|
struct rx_cmp *rxcmp = cmp; |
|
u32 tmp_raw_cons = *raw_cons; |
|
u8 cmp_type, agg_bufs = 0; |
|
|
|
cmp_type = RX_CMP_TYPE(rxcmp); |
|
|
|
if (cmp_type == CMP_TYPE_RX_L2_CMP) { |
|
agg_bufs = (le32_to_cpu(rxcmp->rx_cmp_misc_v1) & |
|
RX_CMP_AGG_BUFS) >> |
|
RX_CMP_AGG_BUFS_SHIFT; |
|
} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { |
|
struct rx_tpa_end_cmp *tpa_end = cmp; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return 0; |
|
|
|
agg_bufs = TPA_END_AGG_BUFS(tpa_end); |
|
} |
|
|
|
if (agg_bufs) { |
|
if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons)) |
|
return -EBUSY; |
|
} |
|
*raw_cons = tmp_raw_cons; |
|
return 0; |
|
} |
|
|
|
static void bnxt_queue_fw_reset_work(struct bnxt *bp, unsigned long delay) |
|
{ |
|
if (!(test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))) |
|
return; |
|
|
|
if (BNXT_PF(bp)) |
|
queue_delayed_work(bnxt_pf_wq, &bp->fw_reset_task, delay); |
|
else |
|
schedule_delayed_work(&bp->fw_reset_task, delay); |
|
} |
|
|
|
static void bnxt_queue_sp_work(struct bnxt *bp) |
|
{ |
|
if (BNXT_PF(bp)) |
|
queue_work(bnxt_pf_wq, &bp->sp_task); |
|
else |
|
schedule_work(&bp->sp_task); |
|
} |
|
|
|
static void bnxt_sched_reset(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) |
|
{ |
|
if (!rxr->bnapi->in_reset) { |
|
rxr->bnapi->in_reset = true; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event); |
|
else |
|
set_bit(BNXT_RST_RING_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
rxr->rx_next_cons = 0xffff; |
|
} |
|
|
|
static u16 bnxt_alloc_agg_idx(struct bnxt_rx_ring_info *rxr, u16 agg_id) |
|
{ |
|
struct bnxt_tpa_idx_map *map = rxr->rx_tpa_idx_map; |
|
u16 idx = agg_id & MAX_TPA_P5_MASK; |
|
|
|
if (test_bit(idx, map->agg_idx_bmap)) |
|
idx = find_first_zero_bit(map->agg_idx_bmap, |
|
BNXT_AGG_IDX_BMAP_SIZE); |
|
__set_bit(idx, map->agg_idx_bmap); |
|
map->agg_id_tbl[agg_id] = idx; |
|
return idx; |
|
} |
|
|
|
static void bnxt_free_agg_idx(struct bnxt_rx_ring_info *rxr, u16 idx) |
|
{ |
|
struct bnxt_tpa_idx_map *map = rxr->rx_tpa_idx_map; |
|
|
|
__clear_bit(idx, map->agg_idx_bmap); |
|
} |
|
|
|
static u16 bnxt_lookup_agg_idx(struct bnxt_rx_ring_info *rxr, u16 agg_id) |
|
{ |
|
struct bnxt_tpa_idx_map *map = rxr->rx_tpa_idx_map; |
|
|
|
return map->agg_id_tbl[agg_id]; |
|
} |
|
|
|
static void bnxt_tpa_start(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, |
|
struct rx_tpa_start_cmp *tpa_start, |
|
struct rx_tpa_start_cmp_ext *tpa_start1) |
|
{ |
|
struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf; |
|
struct bnxt_tpa_info *tpa_info; |
|
u16 cons, prod, agg_id; |
|
struct rx_bd *prod_bd; |
|
dma_addr_t mapping; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
agg_id = TPA_START_AGG_ID_P5(tpa_start); |
|
agg_id = bnxt_alloc_agg_idx(rxr, agg_id); |
|
} else { |
|
agg_id = TPA_START_AGG_ID(tpa_start); |
|
} |
|
cons = tpa_start->rx_tpa_start_cmp_opaque; |
|
prod = rxr->rx_prod; |
|
cons_rx_buf = &rxr->rx_buf_ring[cons]; |
|
prod_rx_buf = &rxr->rx_buf_ring[prod]; |
|
tpa_info = &rxr->rx_tpa[agg_id]; |
|
|
|
if (unlikely(cons != rxr->rx_next_cons || |
|
TPA_START_ERROR(tpa_start))) { |
|
netdev_warn(bp->dev, "TPA cons %x, expected cons %x, error code %x\n", |
|
cons, rxr->rx_next_cons, |
|
TPA_START_ERROR_CODE(tpa_start1)); |
|
bnxt_sched_reset(bp, rxr); |
|
return; |
|
} |
|
/* Store cfa_code in tpa_info to use in tpa_end |
|
* completion processing. |
|
*/ |
|
tpa_info->cfa_code = TPA_START_CFA_CODE(tpa_start1); |
|
prod_rx_buf->data = tpa_info->data; |
|
prod_rx_buf->data_ptr = tpa_info->data_ptr; |
|
|
|
mapping = tpa_info->mapping; |
|
prod_rx_buf->mapping = mapping; |
|
|
|
prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)]; |
|
|
|
prod_bd->rx_bd_haddr = cpu_to_le64(mapping); |
|
|
|
tpa_info->data = cons_rx_buf->data; |
|
tpa_info->data_ptr = cons_rx_buf->data_ptr; |
|
cons_rx_buf->data = NULL; |
|
tpa_info->mapping = cons_rx_buf->mapping; |
|
|
|
tpa_info->len = |
|
le32_to_cpu(tpa_start->rx_tpa_start_cmp_len_flags_type) >> |
|
RX_TPA_START_CMP_LEN_SHIFT; |
|
if (likely(TPA_START_HASH_VALID(tpa_start))) { |
|
u32 hash_type = TPA_START_HASH_TYPE(tpa_start); |
|
|
|
tpa_info->hash_type = PKT_HASH_TYPE_L4; |
|
tpa_info->gso_type = SKB_GSO_TCPV4; |
|
/* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */ |
|
if (hash_type == 3 || TPA_START_IS_IPV6(tpa_start1)) |
|
tpa_info->gso_type = SKB_GSO_TCPV6; |
|
tpa_info->rss_hash = |
|
le32_to_cpu(tpa_start->rx_tpa_start_cmp_rss_hash); |
|
} else { |
|
tpa_info->hash_type = PKT_HASH_TYPE_NONE; |
|
tpa_info->gso_type = 0; |
|
if (netif_msg_rx_err(bp)) |
|
netdev_warn(bp->dev, "TPA packet without valid hash\n"); |
|
} |
|
tpa_info->flags2 = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_flags2); |
|
tpa_info->metadata = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_metadata); |
|
tpa_info->hdr_info = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_hdr_info); |
|
tpa_info->agg_count = 0; |
|
|
|
rxr->rx_prod = NEXT_RX(prod); |
|
cons = NEXT_RX(cons); |
|
rxr->rx_next_cons = NEXT_RX(cons); |
|
cons_rx_buf = &rxr->rx_buf_ring[cons]; |
|
|
|
bnxt_reuse_rx_data(rxr, cons, cons_rx_buf->data); |
|
rxr->rx_prod = NEXT_RX(rxr->rx_prod); |
|
cons_rx_buf->data = NULL; |
|
} |
|
|
|
static void bnxt_abort_tpa(struct bnxt_cp_ring_info *cpr, u16 idx, u32 agg_bufs) |
|
{ |
|
if (agg_bufs) |
|
bnxt_reuse_rx_agg_bufs(cpr, idx, 0, agg_bufs, true); |
|
} |
|
|
|
#ifdef CONFIG_INET |
|
static void bnxt_gro_tunnel(struct sk_buff *skb, __be16 ip_proto) |
|
{ |
|
struct udphdr *uh = NULL; |
|
|
|
if (ip_proto == htons(ETH_P_IP)) { |
|
struct iphdr *iph = (struct iphdr *)skb->data; |
|
|
|
if (iph->protocol == IPPROTO_UDP) |
|
uh = (struct udphdr *)(iph + 1); |
|
} else { |
|
struct ipv6hdr *iph = (struct ipv6hdr *)skb->data; |
|
|
|
if (iph->nexthdr == IPPROTO_UDP) |
|
uh = (struct udphdr *)(iph + 1); |
|
} |
|
if (uh) { |
|
if (uh->check) |
|
skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM; |
|
else |
|
skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL; |
|
} |
|
} |
|
#endif |
|
|
|
static struct sk_buff *bnxt_gro_func_5731x(struct bnxt_tpa_info *tpa_info, |
|
int payload_off, int tcp_ts, |
|
struct sk_buff *skb) |
|
{ |
|
#ifdef CONFIG_INET |
|
struct tcphdr *th; |
|
int len, nw_off; |
|
u16 outer_ip_off, inner_ip_off, inner_mac_off; |
|
u32 hdr_info = tpa_info->hdr_info; |
|
bool loopback = false; |
|
|
|
inner_ip_off = BNXT_TPA_INNER_L3_OFF(hdr_info); |
|
inner_mac_off = BNXT_TPA_INNER_L2_OFF(hdr_info); |
|
outer_ip_off = BNXT_TPA_OUTER_L3_OFF(hdr_info); |
|
|
|
/* If the packet is an internal loopback packet, the offsets will |
|
* have an extra 4 bytes. |
|
*/ |
|
if (inner_mac_off == 4) { |
|
loopback = true; |
|
} else if (inner_mac_off > 4) { |
|
__be16 proto = *((__be16 *)(skb->data + inner_ip_off - |
|
ETH_HLEN - 2)); |
|
|
|
/* We only support inner iPv4/ipv6. If we don't see the |
|
* correct protocol ID, it must be a loopback packet where |
|
* the offsets are off by 4. |
|
*/ |
|
if (proto != htons(ETH_P_IP) && proto != htons(ETH_P_IPV6)) |
|
loopback = true; |
|
} |
|
if (loopback) { |
|
/* internal loopback packet, subtract all offsets by 4 */ |
|
inner_ip_off -= 4; |
|
inner_mac_off -= 4; |
|
outer_ip_off -= 4; |
|
} |
|
|
|
nw_off = inner_ip_off - ETH_HLEN; |
|
skb_set_network_header(skb, nw_off); |
|
if (tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_IP_TYPE) { |
|
struct ipv6hdr *iph = ipv6_hdr(skb); |
|
|
|
skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr)); |
|
len = skb->len - skb_transport_offset(skb); |
|
th = tcp_hdr(skb); |
|
th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0); |
|
} else { |
|
struct iphdr *iph = ip_hdr(skb); |
|
|
|
skb_set_transport_header(skb, nw_off + sizeof(struct iphdr)); |
|
len = skb->len - skb_transport_offset(skb); |
|
th = tcp_hdr(skb); |
|
th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0); |
|
} |
|
|
|
if (inner_mac_off) { /* tunnel */ |
|
__be16 proto = *((__be16 *)(skb->data + outer_ip_off - |
|
ETH_HLEN - 2)); |
|
|
|
bnxt_gro_tunnel(skb, proto); |
|
} |
|
#endif |
|
return skb; |
|
} |
|
|
|
static struct sk_buff *bnxt_gro_func_5750x(struct bnxt_tpa_info *tpa_info, |
|
int payload_off, int tcp_ts, |
|
struct sk_buff *skb) |
|
{ |
|
#ifdef CONFIG_INET |
|
u16 outer_ip_off, inner_ip_off, inner_mac_off; |
|
u32 hdr_info = tpa_info->hdr_info; |
|
int iphdr_len, nw_off; |
|
|
|
inner_ip_off = BNXT_TPA_INNER_L3_OFF(hdr_info); |
|
inner_mac_off = BNXT_TPA_INNER_L2_OFF(hdr_info); |
|
outer_ip_off = BNXT_TPA_OUTER_L3_OFF(hdr_info); |
|
|
|
nw_off = inner_ip_off - ETH_HLEN; |
|
skb_set_network_header(skb, nw_off); |
|
iphdr_len = (tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_IP_TYPE) ? |
|
sizeof(struct ipv6hdr) : sizeof(struct iphdr); |
|
skb_set_transport_header(skb, nw_off + iphdr_len); |
|
|
|
if (inner_mac_off) { /* tunnel */ |
|
__be16 proto = *((__be16 *)(skb->data + outer_ip_off - |
|
ETH_HLEN - 2)); |
|
|
|
bnxt_gro_tunnel(skb, proto); |
|
} |
|
#endif |
|
return skb; |
|
} |
|
|
|
#define BNXT_IPV4_HDR_SIZE (sizeof(struct iphdr) + sizeof(struct tcphdr)) |
|
#define BNXT_IPV6_HDR_SIZE (sizeof(struct ipv6hdr) + sizeof(struct tcphdr)) |
|
|
|
static struct sk_buff *bnxt_gro_func_5730x(struct bnxt_tpa_info *tpa_info, |
|
int payload_off, int tcp_ts, |
|
struct sk_buff *skb) |
|
{ |
|
#ifdef CONFIG_INET |
|
struct tcphdr *th; |
|
int len, nw_off, tcp_opt_len = 0; |
|
|
|
if (tcp_ts) |
|
tcp_opt_len = 12; |
|
|
|
if (tpa_info->gso_type == SKB_GSO_TCPV4) { |
|
struct iphdr *iph; |
|
|
|
nw_off = payload_off - BNXT_IPV4_HDR_SIZE - tcp_opt_len - |
|
ETH_HLEN; |
|
skb_set_network_header(skb, nw_off); |
|
iph = ip_hdr(skb); |
|
skb_set_transport_header(skb, nw_off + sizeof(struct iphdr)); |
|
len = skb->len - skb_transport_offset(skb); |
|
th = tcp_hdr(skb); |
|
th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0); |
|
} else if (tpa_info->gso_type == SKB_GSO_TCPV6) { |
|
struct ipv6hdr *iph; |
|
|
|
nw_off = payload_off - BNXT_IPV6_HDR_SIZE - tcp_opt_len - |
|
ETH_HLEN; |
|
skb_set_network_header(skb, nw_off); |
|
iph = ipv6_hdr(skb); |
|
skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr)); |
|
len = skb->len - skb_transport_offset(skb); |
|
th = tcp_hdr(skb); |
|
th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0); |
|
} else { |
|
dev_kfree_skb_any(skb); |
|
return NULL; |
|
} |
|
|
|
if (nw_off) /* tunnel */ |
|
bnxt_gro_tunnel(skb, skb->protocol); |
|
#endif |
|
return skb; |
|
} |
|
|
|
static inline struct sk_buff *bnxt_gro_skb(struct bnxt *bp, |
|
struct bnxt_tpa_info *tpa_info, |
|
struct rx_tpa_end_cmp *tpa_end, |
|
struct rx_tpa_end_cmp_ext *tpa_end1, |
|
struct sk_buff *skb) |
|
{ |
|
#ifdef CONFIG_INET |
|
int payload_off; |
|
u16 segs; |
|
|
|
segs = TPA_END_TPA_SEGS(tpa_end); |
|
if (segs == 1) |
|
return skb; |
|
|
|
NAPI_GRO_CB(skb)->count = segs; |
|
skb_shinfo(skb)->gso_size = |
|
le32_to_cpu(tpa_end1->rx_tpa_end_cmp_seg_len); |
|
skb_shinfo(skb)->gso_type = tpa_info->gso_type; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
payload_off = TPA_END_PAYLOAD_OFF_P5(tpa_end1); |
|
else |
|
payload_off = TPA_END_PAYLOAD_OFF(tpa_end); |
|
skb = bp->gro_func(tpa_info, payload_off, TPA_END_GRO_TS(tpa_end), skb); |
|
if (likely(skb)) |
|
tcp_gro_complete(skb); |
|
#endif |
|
return skb; |
|
} |
|
|
|
/* Given the cfa_code of a received packet determine which |
|
* netdev (vf-rep or PF) the packet is destined to. |
|
*/ |
|
static struct net_device *bnxt_get_pkt_dev(struct bnxt *bp, u16 cfa_code) |
|
{ |
|
struct net_device *dev = bnxt_get_vf_rep(bp, cfa_code); |
|
|
|
/* if vf-rep dev is NULL, the must belongs to the PF */ |
|
return dev ? dev : bp->dev; |
|
} |
|
|
|
static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, |
|
struct bnxt_cp_ring_info *cpr, |
|
u32 *raw_cons, |
|
struct rx_tpa_end_cmp *tpa_end, |
|
struct rx_tpa_end_cmp_ext *tpa_end1, |
|
u8 *event) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
u8 *data_ptr, agg_bufs; |
|
unsigned int len; |
|
struct bnxt_tpa_info *tpa_info; |
|
dma_addr_t mapping; |
|
struct sk_buff *skb; |
|
u16 idx = 0, agg_id; |
|
void *data; |
|
bool gro; |
|
|
|
if (unlikely(bnapi->in_reset)) { |
|
int rc = bnxt_discard_rx(bp, cpr, raw_cons, tpa_end); |
|
|
|
if (rc < 0) |
|
return ERR_PTR(-EBUSY); |
|
return NULL; |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
agg_id = TPA_END_AGG_ID_P5(tpa_end); |
|
agg_id = bnxt_lookup_agg_idx(rxr, agg_id); |
|
agg_bufs = TPA_END_AGG_BUFS_P5(tpa_end1); |
|
tpa_info = &rxr->rx_tpa[agg_id]; |
|
if (unlikely(agg_bufs != tpa_info->agg_count)) { |
|
netdev_warn(bp->dev, "TPA end agg_buf %d != expected agg_bufs %d\n", |
|
agg_bufs, tpa_info->agg_count); |
|
agg_bufs = tpa_info->agg_count; |
|
} |
|
tpa_info->agg_count = 0; |
|
*event |= BNXT_AGG_EVENT; |
|
bnxt_free_agg_idx(rxr, agg_id); |
|
idx = agg_id; |
|
gro = !!(bp->flags & BNXT_FLAG_GRO); |
|
} else { |
|
agg_id = TPA_END_AGG_ID(tpa_end); |
|
agg_bufs = TPA_END_AGG_BUFS(tpa_end); |
|
tpa_info = &rxr->rx_tpa[agg_id]; |
|
idx = RING_CMP(*raw_cons); |
|
if (agg_bufs) { |
|
if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, raw_cons)) |
|
return ERR_PTR(-EBUSY); |
|
|
|
*event |= BNXT_AGG_EVENT; |
|
idx = NEXT_CMP(idx); |
|
} |
|
gro = !!TPA_END_GRO(tpa_end); |
|
} |
|
data = tpa_info->data; |
|
data_ptr = tpa_info->data_ptr; |
|
prefetch(data_ptr); |
|
len = tpa_info->len; |
|
mapping = tpa_info->mapping; |
|
|
|
if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) { |
|
bnxt_abort_tpa(cpr, idx, agg_bufs); |
|
if (agg_bufs > MAX_SKB_FRAGS) |
|
netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n", |
|
agg_bufs, (int)MAX_SKB_FRAGS); |
|
return NULL; |
|
} |
|
|
|
if (len <= bp->rx_copy_thresh) { |
|
skb = bnxt_copy_skb(bnapi, data_ptr, len, mapping); |
|
if (!skb) { |
|
bnxt_abort_tpa(cpr, idx, agg_bufs); |
|
return NULL; |
|
} |
|
} else { |
|
u8 *new_data; |
|
dma_addr_t new_mapping; |
|
|
|
new_data = __bnxt_alloc_rx_data(bp, &new_mapping, GFP_ATOMIC); |
|
if (!new_data) { |
|
bnxt_abort_tpa(cpr, idx, agg_bufs); |
|
return NULL; |
|
} |
|
|
|
tpa_info->data = new_data; |
|
tpa_info->data_ptr = new_data + bp->rx_offset; |
|
tpa_info->mapping = new_mapping; |
|
|
|
skb = build_skb(data, 0); |
|
dma_unmap_single_attrs(&bp->pdev->dev, mapping, |
|
bp->rx_buf_use_size, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
|
|
if (!skb) { |
|
kfree(data); |
|
bnxt_abort_tpa(cpr, idx, agg_bufs); |
|
return NULL; |
|
} |
|
skb_reserve(skb, bp->rx_offset); |
|
skb_put(skb, len); |
|
} |
|
|
|
if (agg_bufs) { |
|
skb = bnxt_rx_pages(bp, cpr, skb, idx, agg_bufs, true); |
|
if (!skb) { |
|
/* Page reuse already handled by bnxt_rx_pages(). */ |
|
return NULL; |
|
} |
|
} |
|
|
|
skb->protocol = |
|
eth_type_trans(skb, bnxt_get_pkt_dev(bp, tpa_info->cfa_code)); |
|
|
|
if (tpa_info->hash_type != PKT_HASH_TYPE_NONE) |
|
skb_set_hash(skb, tpa_info->rss_hash, tpa_info->hash_type); |
|
|
|
if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) && |
|
(skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { |
|
__be16 vlan_proto = htons(tpa_info->metadata >> |
|
RX_CMP_FLAGS2_METADATA_TPID_SFT); |
|
u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK; |
|
|
|
if (eth_type_vlan(vlan_proto)) { |
|
__vlan_hwaccel_put_tag(skb, vlan_proto, vtag); |
|
} else { |
|
dev_kfree_skb(skb); |
|
return NULL; |
|
} |
|
} |
|
|
|
skb_checksum_none_assert(skb); |
|
if (likely(tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_L4_CS_CALC)) { |
|
skb->ip_summed = CHECKSUM_UNNECESSARY; |
|
skb->csum_level = |
|
(tpa_info->flags2 & RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3; |
|
} |
|
|
|
if (gro) |
|
skb = bnxt_gro_skb(bp, tpa_info, tpa_end, tpa_end1, skb); |
|
|
|
return skb; |
|
} |
|
|
|
static void bnxt_tpa_agg(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, |
|
struct rx_agg_cmp *rx_agg) |
|
{ |
|
u16 agg_id = TPA_AGG_AGG_ID(rx_agg); |
|
struct bnxt_tpa_info *tpa_info; |
|
|
|
agg_id = bnxt_lookup_agg_idx(rxr, agg_id); |
|
tpa_info = &rxr->rx_tpa[agg_id]; |
|
BUG_ON(tpa_info->agg_count >= MAX_SKB_FRAGS); |
|
tpa_info->agg_arr[tpa_info->agg_count++] = *rx_agg; |
|
} |
|
|
|
static void bnxt_deliver_skb(struct bnxt *bp, struct bnxt_napi *bnapi, |
|
struct sk_buff *skb) |
|
{ |
|
if (skb->dev != bp->dev) { |
|
/* this packet belongs to a vf-rep */ |
|
bnxt_vf_rep_rx(bp, skb); |
|
return; |
|
} |
|
skb_record_rx_queue(skb, bnapi->index); |
|
napi_gro_receive(&bnapi->napi, skb); |
|
} |
|
|
|
/* returns the following: |
|
* 1 - 1 packet successfully received |
|
* 0 - successful TPA_START, packet not completed yet |
|
* -EBUSY - completion ring does not have all the agg buffers yet |
|
* -ENOMEM - packet aborted due to out of memory |
|
* -EIO - packet aborted due to hw error indicated in BD |
|
*/ |
|
static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, |
|
u32 *raw_cons, u8 *event) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
struct net_device *dev = bp->dev; |
|
struct rx_cmp *rxcmp; |
|
struct rx_cmp_ext *rxcmp1; |
|
u32 tmp_raw_cons = *raw_cons; |
|
u16 cfa_code, cons, prod, cp_cons = RING_CMP(tmp_raw_cons); |
|
struct bnxt_sw_rx_bd *rx_buf; |
|
unsigned int len; |
|
u8 *data_ptr, agg_bufs, cmp_type; |
|
dma_addr_t dma_addr; |
|
struct sk_buff *skb; |
|
void *data; |
|
int rc = 0; |
|
u32 misc; |
|
|
|
rxcmp = (struct rx_cmp *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
cmp_type = RX_CMP_TYPE(rxcmp); |
|
|
|
if (cmp_type == CMP_TYPE_RX_TPA_AGG_CMP) { |
|
bnxt_tpa_agg(bp, rxr, (struct rx_agg_cmp *)rxcmp); |
|
goto next_rx_no_prod_no_len; |
|
} |
|
|
|
tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons); |
|
cp_cons = RING_CMP(tmp_raw_cons); |
|
rxcmp1 = (struct rx_cmp_ext *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons)) |
|
return -EBUSY; |
|
|
|
/* The valid test of the entry must be done first before |
|
* reading any further. |
|
*/ |
|
dma_rmb(); |
|
prod = rxr->rx_prod; |
|
|
|
if (cmp_type == CMP_TYPE_RX_L2_TPA_START_CMP) { |
|
bnxt_tpa_start(bp, rxr, (struct rx_tpa_start_cmp *)rxcmp, |
|
(struct rx_tpa_start_cmp_ext *)rxcmp1); |
|
|
|
*event |= BNXT_RX_EVENT; |
|
goto next_rx_no_prod_no_len; |
|
|
|
} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { |
|
skb = bnxt_tpa_end(bp, cpr, &tmp_raw_cons, |
|
(struct rx_tpa_end_cmp *)rxcmp, |
|
(struct rx_tpa_end_cmp_ext *)rxcmp1, event); |
|
|
|
if (IS_ERR(skb)) |
|
return -EBUSY; |
|
|
|
rc = -ENOMEM; |
|
if (likely(skb)) { |
|
bnxt_deliver_skb(bp, bnapi, skb); |
|
rc = 1; |
|
} |
|
*event |= BNXT_RX_EVENT; |
|
goto next_rx_no_prod_no_len; |
|
} |
|
|
|
cons = rxcmp->rx_cmp_opaque; |
|
if (unlikely(cons != rxr->rx_next_cons)) { |
|
int rc1 = bnxt_discard_rx(bp, cpr, &tmp_raw_cons, rxcmp); |
|
|
|
/* 0xffff is forced error, don't print it */ |
|
if (rxr->rx_next_cons != 0xffff) |
|
netdev_warn(bp->dev, "RX cons %x != expected cons %x\n", |
|
cons, rxr->rx_next_cons); |
|
bnxt_sched_reset(bp, rxr); |
|
if (rc1) |
|
return rc1; |
|
goto next_rx_no_prod_no_len; |
|
} |
|
rx_buf = &rxr->rx_buf_ring[cons]; |
|
data = rx_buf->data; |
|
data_ptr = rx_buf->data_ptr; |
|
prefetch(data_ptr); |
|
|
|
misc = le32_to_cpu(rxcmp->rx_cmp_misc_v1); |
|
agg_bufs = (misc & RX_CMP_AGG_BUFS) >> RX_CMP_AGG_BUFS_SHIFT; |
|
|
|
if (agg_bufs) { |
|
if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons)) |
|
return -EBUSY; |
|
|
|
cp_cons = NEXT_CMP(cp_cons); |
|
*event |= BNXT_AGG_EVENT; |
|
} |
|
*event |= BNXT_RX_EVENT; |
|
|
|
rx_buf->data = NULL; |
|
if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) { |
|
u32 rx_err = le32_to_cpu(rxcmp1->rx_cmp_cfa_code_errors_v2); |
|
|
|
bnxt_reuse_rx_data(rxr, cons, data); |
|
if (agg_bufs) |
|
bnxt_reuse_rx_agg_bufs(cpr, cp_cons, 0, agg_bufs, |
|
false); |
|
|
|
rc = -EIO; |
|
if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) { |
|
bnapi->cp_ring.sw_stats.rx.rx_buf_errors++; |
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5) && |
|
!(bp->fw_cap & BNXT_FW_CAP_RING_MONITOR)) { |
|
netdev_warn_once(bp->dev, "RX buffer error %x\n", |
|
rx_err); |
|
bnxt_sched_reset(bp, rxr); |
|
} |
|
} |
|
goto next_rx_no_len; |
|
} |
|
|
|
len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT; |
|
dma_addr = rx_buf->mapping; |
|
|
|
if (bnxt_rx_xdp(bp, rxr, cons, data, &data_ptr, &len, event)) { |
|
rc = 1; |
|
goto next_rx; |
|
} |
|
|
|
if (len <= bp->rx_copy_thresh) { |
|
skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr); |
|
bnxt_reuse_rx_data(rxr, cons, data); |
|
if (!skb) { |
|
if (agg_bufs) |
|
bnxt_reuse_rx_agg_bufs(cpr, cp_cons, 0, |
|
agg_bufs, false); |
|
rc = -ENOMEM; |
|
goto next_rx; |
|
} |
|
} else { |
|
u32 payload; |
|
|
|
if (rx_buf->data_ptr == data_ptr) |
|
payload = misc & RX_CMP_PAYLOAD_OFFSET; |
|
else |
|
payload = 0; |
|
skb = bp->rx_skb_func(bp, rxr, cons, data, data_ptr, dma_addr, |
|
payload | len); |
|
if (!skb) { |
|
rc = -ENOMEM; |
|
goto next_rx; |
|
} |
|
} |
|
|
|
if (agg_bufs) { |
|
skb = bnxt_rx_pages(bp, cpr, skb, cp_cons, agg_bufs, false); |
|
if (!skb) { |
|
rc = -ENOMEM; |
|
goto next_rx; |
|
} |
|
} |
|
|
|
if (RX_CMP_HASH_VALID(rxcmp)) { |
|
u32 hash_type = RX_CMP_HASH_TYPE(rxcmp); |
|
enum pkt_hash_types type = PKT_HASH_TYPE_L4; |
|
|
|
/* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */ |
|
if (hash_type != 1 && hash_type != 3) |
|
type = PKT_HASH_TYPE_L3; |
|
skb_set_hash(skb, le32_to_cpu(rxcmp->rx_cmp_rss_hash), type); |
|
} |
|
|
|
cfa_code = RX_CMP_CFA_CODE(rxcmp1); |
|
skb->protocol = eth_type_trans(skb, bnxt_get_pkt_dev(bp, cfa_code)); |
|
|
|
if ((rxcmp1->rx_cmp_flags2 & |
|
cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) && |
|
(skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { |
|
u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data); |
|
u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK; |
|
__be16 vlan_proto = htons(meta_data >> |
|
RX_CMP_FLAGS2_METADATA_TPID_SFT); |
|
|
|
if (eth_type_vlan(vlan_proto)) { |
|
__vlan_hwaccel_put_tag(skb, vlan_proto, vtag); |
|
} else { |
|
dev_kfree_skb(skb); |
|
goto next_rx; |
|
} |
|
} |
|
|
|
skb_checksum_none_assert(skb); |
|
if (RX_CMP_L4_CS_OK(rxcmp1)) { |
|
if (dev->features & NETIF_F_RXCSUM) { |
|
skb->ip_summed = CHECKSUM_UNNECESSARY; |
|
skb->csum_level = RX_CMP_ENCAP(rxcmp1); |
|
} |
|
} else { |
|
if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS) { |
|
if (dev->features & NETIF_F_RXCSUM) |
|
bnapi->cp_ring.sw_stats.rx.rx_l4_csum_errors++; |
|
} |
|
} |
|
|
|
bnxt_deliver_skb(bp, bnapi, skb); |
|
rc = 1; |
|
|
|
next_rx: |
|
cpr->rx_packets += 1; |
|
cpr->rx_bytes += len; |
|
|
|
next_rx_no_len: |
|
rxr->rx_prod = NEXT_RX(prod); |
|
rxr->rx_next_cons = NEXT_RX(cons); |
|
|
|
next_rx_no_prod_no_len: |
|
*raw_cons = tmp_raw_cons; |
|
|
|
return rc; |
|
} |
|
|
|
/* In netpoll mode, if we are using a combined completion ring, we need to |
|
* discard the rx packets and recycle the buffers. |
|
*/ |
|
static int bnxt_force_rx_discard(struct bnxt *bp, |
|
struct bnxt_cp_ring_info *cpr, |
|
u32 *raw_cons, u8 *event) |
|
{ |
|
u32 tmp_raw_cons = *raw_cons; |
|
struct rx_cmp_ext *rxcmp1; |
|
struct rx_cmp *rxcmp; |
|
u16 cp_cons; |
|
u8 cmp_type; |
|
|
|
cp_cons = RING_CMP(tmp_raw_cons); |
|
rxcmp = (struct rx_cmp *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons); |
|
cp_cons = RING_CMP(tmp_raw_cons); |
|
rxcmp1 = (struct rx_cmp_ext *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons)) |
|
return -EBUSY; |
|
|
|
/* The valid test of the entry must be done first before |
|
* reading any further. |
|
*/ |
|
dma_rmb(); |
|
cmp_type = RX_CMP_TYPE(rxcmp); |
|
if (cmp_type == CMP_TYPE_RX_L2_CMP) { |
|
rxcmp1->rx_cmp_cfa_code_errors_v2 |= |
|
cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR); |
|
} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { |
|
struct rx_tpa_end_cmp_ext *tpa_end1; |
|
|
|
tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1; |
|
tpa_end1->rx_tpa_end_cmp_errors_v2 |= |
|
cpu_to_le32(RX_TPA_END_CMP_ERRORS); |
|
} |
|
return bnxt_rx_pkt(bp, cpr, raw_cons, event); |
|
} |
|
|
|
u32 bnxt_fw_health_readl(struct bnxt *bp, int reg_idx) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
u32 reg = fw_health->regs[reg_idx]; |
|
u32 reg_type, reg_off, val = 0; |
|
|
|
reg_type = BNXT_FW_HEALTH_REG_TYPE(reg); |
|
reg_off = BNXT_FW_HEALTH_REG_OFF(reg); |
|
switch (reg_type) { |
|
case BNXT_FW_HEALTH_REG_TYPE_CFG: |
|
pci_read_config_dword(bp->pdev, reg_off, &val); |
|
break; |
|
case BNXT_FW_HEALTH_REG_TYPE_GRC: |
|
reg_off = fw_health->mapped_regs[reg_idx]; |
|
fallthrough; |
|
case BNXT_FW_HEALTH_REG_TYPE_BAR0: |
|
val = readl(bp->bar0 + reg_off); |
|
break; |
|
case BNXT_FW_HEALTH_REG_TYPE_BAR1: |
|
val = readl(bp->bar1 + reg_off); |
|
break; |
|
} |
|
if (reg_idx == BNXT_FW_RESET_INPROG_REG) |
|
val &= fw_health->fw_reset_inprog_reg_mask; |
|
return val; |
|
} |
|
|
|
static u16 bnxt_agg_ring_id_to_grp_idx(struct bnxt *bp, u16 ring_id) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
u16 grp_idx = bp->rx_ring[i].bnapi->index; |
|
struct bnxt_ring_grp_info *grp_info; |
|
|
|
grp_info = &bp->grp_info[grp_idx]; |
|
if (grp_info->agg_fw_ring_id == ring_id) |
|
return grp_idx; |
|
} |
|
return INVALID_HW_RING_ID; |
|
} |
|
|
|
#define BNXT_GET_EVENT_PORT(data) \ |
|
((data) & \ |
|
ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK) |
|
|
|
#define BNXT_EVENT_RING_TYPE(data2) \ |
|
((data2) & \ |
|
ASYNC_EVENT_CMPL_RING_MONITOR_MSG_EVENT_DATA2_DISABLE_RING_TYPE_MASK) |
|
|
|
#define BNXT_EVENT_RING_TYPE_RX(data2) \ |
|
(BNXT_EVENT_RING_TYPE(data2) == \ |
|
ASYNC_EVENT_CMPL_RING_MONITOR_MSG_EVENT_DATA2_DISABLE_RING_TYPE_RX) |
|
|
|
static int bnxt_async_event_process(struct bnxt *bp, |
|
struct hwrm_async_event_cmpl *cmpl) |
|
{ |
|
u16 event_id = le16_to_cpu(cmpl->event_id); |
|
u32 data1 = le32_to_cpu(cmpl->event_data1); |
|
u32 data2 = le32_to_cpu(cmpl->event_data2); |
|
|
|
/* TODO CHIMP_FW: Define event id's for link change, error etc */ |
|
switch (event_id) { |
|
case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: { |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
if (BNXT_VF(bp)) |
|
goto async_event_process_exit; |
|
|
|
/* print unsupported speed warning in forced speed mode only */ |
|
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED) && |
|
(data1 & 0x20000)) { |
|
u16 fw_speed = link_info->force_link_speed; |
|
u32 speed = bnxt_fw_to_ethtool_speed(fw_speed); |
|
|
|
if (speed != SPEED_UNKNOWN) |
|
netdev_warn(bp->dev, "Link speed %d no longer supported\n", |
|
speed); |
|
} |
|
set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event); |
|
} |
|
fallthrough; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: |
|
case ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE: |
|
set_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT, &bp->sp_event); |
|
fallthrough; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: |
|
set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event); |
|
break; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD: |
|
set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event); |
|
break; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: { |
|
u16 port_id = BNXT_GET_EVENT_PORT(data1); |
|
|
|
if (BNXT_VF(bp)) |
|
break; |
|
|
|
if (bp->pf.port_id != port_id) |
|
break; |
|
|
|
set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event); |
|
break; |
|
} |
|
case ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE: |
|
if (BNXT_PF(bp)) |
|
goto async_event_process_exit; |
|
set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event); |
|
break; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: |
|
if (netif_msg_hw(bp)) |
|
netdev_warn(bp->dev, "Received RESET_NOTIFY event, data1: 0x%x, data2: 0x%x\n", |
|
data1, data2); |
|
if (!bp->fw_health) |
|
goto async_event_process_exit; |
|
|
|
bp->fw_reset_timestamp = jiffies; |
|
bp->fw_reset_min_dsecs = cmpl->timestamp_lo; |
|
if (!bp->fw_reset_min_dsecs) |
|
bp->fw_reset_min_dsecs = BNXT_DFLT_FW_RST_MIN_DSECS; |
|
bp->fw_reset_max_dsecs = le16_to_cpu(cmpl->timestamp_hi); |
|
if (!bp->fw_reset_max_dsecs) |
|
bp->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS; |
|
if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) { |
|
netdev_warn(bp->dev, "Firmware fatal reset event received\n"); |
|
set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); |
|
} else { |
|
netdev_warn(bp->dev, "Firmware non-fatal reset event received, max wait time %d msec\n", |
|
bp->fw_reset_max_dsecs * 100); |
|
} |
|
set_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event); |
|
break; |
|
case ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: { |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
|
|
if (!fw_health) |
|
goto async_event_process_exit; |
|
|
|
fw_health->enabled = EVENT_DATA1_RECOVERY_ENABLED(data1); |
|
fw_health->master = EVENT_DATA1_RECOVERY_MASTER_FUNC(data1); |
|
if (!fw_health->enabled) |
|
break; |
|
|
|
if (netif_msg_drv(bp)) |
|
netdev_info(bp->dev, "Error recovery info: error recovery[%d], master[%d], reset count[0x%x], health status: 0x%x\n", |
|
fw_health->enabled, fw_health->master, |
|
bnxt_fw_health_readl(bp, |
|
BNXT_FW_RESET_CNT_REG), |
|
bnxt_fw_health_readl(bp, |
|
BNXT_FW_HEALTH_REG)); |
|
fw_health->tmr_multiplier = |
|
DIV_ROUND_UP(fw_health->polling_dsecs * HZ, |
|
bp->current_interval * 10); |
|
fw_health->tmr_counter = fw_health->tmr_multiplier; |
|
fw_health->last_fw_heartbeat = |
|
bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); |
|
fw_health->last_fw_reset_cnt = |
|
bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); |
|
goto async_event_process_exit; |
|
} |
|
case ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG: { |
|
struct bnxt_rx_ring_info *rxr; |
|
u16 grp_idx; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
goto async_event_process_exit; |
|
|
|
netdev_warn(bp->dev, "Ring monitor event, ring type %lu id 0x%x\n", |
|
BNXT_EVENT_RING_TYPE(data2), data1); |
|
if (!BNXT_EVENT_RING_TYPE_RX(data2)) |
|
goto async_event_process_exit; |
|
|
|
grp_idx = bnxt_agg_ring_id_to_grp_idx(bp, data1); |
|
if (grp_idx == INVALID_HW_RING_ID) { |
|
netdev_warn(bp->dev, "Unknown RX agg ring id 0x%x\n", |
|
data1); |
|
goto async_event_process_exit; |
|
} |
|
rxr = bp->bnapi[grp_idx]->rx_ring; |
|
bnxt_sched_reset(bp, rxr); |
|
goto async_event_process_exit; |
|
} |
|
default: |
|
goto async_event_process_exit; |
|
} |
|
bnxt_queue_sp_work(bp); |
|
async_event_process_exit: |
|
bnxt_ulp_async_events(bp, cmpl); |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_handler(struct bnxt *bp, struct tx_cmp *txcmp) |
|
{ |
|
u16 cmpl_type = TX_CMP_TYPE(txcmp), vf_id, seq_id; |
|
struct hwrm_cmpl *h_cmpl = (struct hwrm_cmpl *)txcmp; |
|
struct hwrm_fwd_req_cmpl *fwd_req_cmpl = |
|
(struct hwrm_fwd_req_cmpl *)txcmp; |
|
|
|
switch (cmpl_type) { |
|
case CMPL_BASE_TYPE_HWRM_DONE: |
|
seq_id = le16_to_cpu(h_cmpl->sequence_id); |
|
if (seq_id == bp->hwrm_intr_seq_id) |
|
bp->hwrm_intr_seq_id = (u16)~bp->hwrm_intr_seq_id; |
|
else |
|
netdev_err(bp->dev, "Invalid hwrm seq id %d\n", seq_id); |
|
break; |
|
|
|
case CMPL_BASE_TYPE_HWRM_FWD_REQ: |
|
vf_id = le16_to_cpu(fwd_req_cmpl->source_id); |
|
|
|
if ((vf_id < bp->pf.first_vf_id) || |
|
(vf_id >= bp->pf.first_vf_id + bp->pf.active_vfs)) { |
|
netdev_err(bp->dev, "Msg contains invalid VF id %x\n", |
|
vf_id); |
|
return -EINVAL; |
|
} |
|
|
|
set_bit(vf_id - bp->pf.first_vf_id, bp->pf.vf_event_bmap); |
|
set_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
break; |
|
|
|
case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT: |
|
bnxt_async_event_process(bp, |
|
(struct hwrm_async_event_cmpl *)txcmp); |
|
|
|
default: |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static irqreturn_t bnxt_msix(int irq, void *dev_instance) |
|
{ |
|
struct bnxt_napi *bnapi = dev_instance; |
|
struct bnxt *bp = bnapi->bp; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
u32 cons = RING_CMP(cpr->cp_raw_cons); |
|
|
|
cpr->event_ctr++; |
|
prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]); |
|
napi_schedule(&bnapi->napi); |
|
return IRQ_HANDLED; |
|
} |
|
|
|
static inline int bnxt_has_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr) |
|
{ |
|
u32 raw_cons = cpr->cp_raw_cons; |
|
u16 cons = RING_CMP(raw_cons); |
|
struct tx_cmp *txcmp; |
|
|
|
txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]; |
|
|
|
return TX_CMP_VALID(txcmp, raw_cons); |
|
} |
|
|
|
static irqreturn_t bnxt_inta(int irq, void *dev_instance) |
|
{ |
|
struct bnxt_napi *bnapi = dev_instance; |
|
struct bnxt *bp = bnapi->bp; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
u32 cons = RING_CMP(cpr->cp_raw_cons); |
|
u32 int_status; |
|
|
|
prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]); |
|
|
|
if (!bnxt_has_work(bp, cpr)) { |
|
int_status = readl(bp->bar0 + BNXT_CAG_REG_LEGACY_INT_STATUS); |
|
/* return if erroneous interrupt */ |
|
if (!(int_status & (0x10000 << cpr->cp_ring_struct.fw_ring_id))) |
|
return IRQ_NONE; |
|
} |
|
|
|
/* disable ring IRQ */ |
|
BNXT_CP_DB_IRQ_DIS(cpr->cp_db.doorbell); |
|
|
|
/* Return here if interrupt is shared and is disabled. */ |
|
if (unlikely(atomic_read(&bp->intr_sem) != 0)) |
|
return IRQ_HANDLED; |
|
|
|
napi_schedule(&bnapi->napi); |
|
return IRQ_HANDLED; |
|
} |
|
|
|
static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, |
|
int budget) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
u32 raw_cons = cpr->cp_raw_cons; |
|
u32 cons; |
|
int tx_pkts = 0; |
|
int rx_pkts = 0; |
|
u8 event = 0; |
|
struct tx_cmp *txcmp; |
|
|
|
cpr->has_more_work = 0; |
|
cpr->had_work_done = 1; |
|
while (1) { |
|
int rc; |
|
|
|
cons = RING_CMP(raw_cons); |
|
txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]; |
|
|
|
if (!TX_CMP_VALID(txcmp, raw_cons)) |
|
break; |
|
|
|
/* The valid test of the entry must be done first before |
|
* reading any further. |
|
*/ |
|
dma_rmb(); |
|
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) { |
|
tx_pkts++; |
|
/* return full budget so NAPI will complete. */ |
|
if (unlikely(tx_pkts > bp->tx_wake_thresh)) { |
|
rx_pkts = budget; |
|
raw_cons = NEXT_RAW_CMP(raw_cons); |
|
if (budget) |
|
cpr->has_more_work = 1; |
|
break; |
|
} |
|
} else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) { |
|
if (likely(budget)) |
|
rc = bnxt_rx_pkt(bp, cpr, &raw_cons, &event); |
|
else |
|
rc = bnxt_force_rx_discard(bp, cpr, &raw_cons, |
|
&event); |
|
if (likely(rc >= 0)) |
|
rx_pkts += rc; |
|
/* Increment rx_pkts when rc is -ENOMEM to count towards |
|
* the NAPI budget. Otherwise, we may potentially loop |
|
* here forever if we consistently cannot allocate |
|
* buffers. |
|
*/ |
|
else if (rc == -ENOMEM && budget) |
|
rx_pkts++; |
|
else if (rc == -EBUSY) /* partial completion */ |
|
break; |
|
} else if (unlikely((TX_CMP_TYPE(txcmp) == |
|
CMPL_BASE_TYPE_HWRM_DONE) || |
|
(TX_CMP_TYPE(txcmp) == |
|
CMPL_BASE_TYPE_HWRM_FWD_REQ) || |
|
(TX_CMP_TYPE(txcmp) == |
|
CMPL_BASE_TYPE_HWRM_ASYNC_EVENT))) { |
|
bnxt_hwrm_handler(bp, txcmp); |
|
} |
|
raw_cons = NEXT_RAW_CMP(raw_cons); |
|
|
|
if (rx_pkts && rx_pkts == budget) { |
|
cpr->has_more_work = 1; |
|
break; |
|
} |
|
} |
|
|
|
if (event & BNXT_REDIRECT_EVENT) |
|
xdp_do_flush_map(); |
|
|
|
if (event & BNXT_TX_EVENT) { |
|
struct bnxt_tx_ring_info *txr = bnapi->tx_ring; |
|
u16 prod = txr->tx_prod; |
|
|
|
/* Sync BD data before updating doorbell */ |
|
wmb(); |
|
|
|
bnxt_db_write_relaxed(bp, &txr->tx_db, prod); |
|
} |
|
|
|
cpr->cp_raw_cons = raw_cons; |
|
bnapi->tx_pkts += tx_pkts; |
|
bnapi->events |= event; |
|
return rx_pkts; |
|
} |
|
|
|
static void __bnxt_poll_work_done(struct bnxt *bp, struct bnxt_napi *bnapi) |
|
{ |
|
if (bnapi->tx_pkts) { |
|
bnapi->tx_int(bp, bnapi, bnapi->tx_pkts); |
|
bnapi->tx_pkts = 0; |
|
} |
|
|
|
if ((bnapi->events & BNXT_RX_EVENT) && !(bnapi->in_reset)) { |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
|
|
if (bnapi->events & BNXT_AGG_EVENT) |
|
bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); |
|
bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); |
|
} |
|
bnapi->events = 0; |
|
} |
|
|
|
static int bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, |
|
int budget) |
|
{ |
|
struct bnxt_napi *bnapi = cpr->bnapi; |
|
int rx_pkts; |
|
|
|
rx_pkts = __bnxt_poll_work(bp, cpr, budget); |
|
|
|
/* ACK completion ring before freeing tx ring and producing new |
|
* buffers in rx/agg rings to prevent overflowing the completion |
|
* ring. |
|
*/ |
|
bnxt_db_cq(bp, &cpr->cp_db, cpr->cp_raw_cons); |
|
|
|
__bnxt_poll_work_done(bp, bnapi); |
|
return rx_pkts; |
|
} |
|
|
|
static int bnxt_poll_nitroa0(struct napi_struct *napi, int budget) |
|
{ |
|
struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi); |
|
struct bnxt *bp = bnapi->bp; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
struct tx_cmp *txcmp; |
|
struct rx_cmp_ext *rxcmp1; |
|
u32 cp_cons, tmp_raw_cons; |
|
u32 raw_cons = cpr->cp_raw_cons; |
|
u32 rx_pkts = 0; |
|
u8 event = 0; |
|
|
|
while (1) { |
|
int rc; |
|
|
|
cp_cons = RING_CMP(raw_cons); |
|
txcmp = &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
if (!TX_CMP_VALID(txcmp, raw_cons)) |
|
break; |
|
|
|
/* The valid test of the entry must be done first before |
|
* reading any further. |
|
*/ |
|
dma_rmb(); |
|
if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) { |
|
tmp_raw_cons = NEXT_RAW_CMP(raw_cons); |
|
cp_cons = RING_CMP(tmp_raw_cons); |
|
rxcmp1 = (struct rx_cmp_ext *) |
|
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; |
|
|
|
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons)) |
|
break; |
|
|
|
/* force an error to recycle the buffer */ |
|
rxcmp1->rx_cmp_cfa_code_errors_v2 |= |
|
cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR); |
|
|
|
rc = bnxt_rx_pkt(bp, cpr, &raw_cons, &event); |
|
if (likely(rc == -EIO) && budget) |
|
rx_pkts++; |
|
else if (rc == -EBUSY) /* partial completion */ |
|
break; |
|
} else if (unlikely(TX_CMP_TYPE(txcmp) == |
|
CMPL_BASE_TYPE_HWRM_DONE)) { |
|
bnxt_hwrm_handler(bp, txcmp); |
|
} else { |
|
netdev_err(bp->dev, |
|
"Invalid completion received on special ring\n"); |
|
} |
|
raw_cons = NEXT_RAW_CMP(raw_cons); |
|
|
|
if (rx_pkts == budget) |
|
break; |
|
} |
|
|
|
cpr->cp_raw_cons = raw_cons; |
|
BNXT_DB_CQ(&cpr->cp_db, cpr->cp_raw_cons); |
|
bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); |
|
|
|
if (event & BNXT_AGG_EVENT) |
|
bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); |
|
|
|
if (!bnxt_has_work(bp, cpr) && rx_pkts < budget) { |
|
napi_complete_done(napi, rx_pkts); |
|
BNXT_DB_CQ_ARM(&cpr->cp_db, cpr->cp_raw_cons); |
|
} |
|
return rx_pkts; |
|
} |
|
|
|
static int bnxt_poll(struct napi_struct *napi, int budget) |
|
{ |
|
struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi); |
|
struct bnxt *bp = bnapi->bp; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
int work_done = 0; |
|
|
|
while (1) { |
|
work_done += bnxt_poll_work(bp, cpr, budget - work_done); |
|
|
|
if (work_done >= budget) { |
|
if (!budget) |
|
BNXT_DB_CQ_ARM(&cpr->cp_db, cpr->cp_raw_cons); |
|
break; |
|
} |
|
|
|
if (!bnxt_has_work(bp, cpr)) { |
|
if (napi_complete_done(napi, work_done)) |
|
BNXT_DB_CQ_ARM(&cpr->cp_db, cpr->cp_raw_cons); |
|
break; |
|
} |
|
} |
|
if (bp->flags & BNXT_FLAG_DIM) { |
|
struct dim_sample dim_sample = {}; |
|
|
|
dim_update_sample(cpr->event_ctr, |
|
cpr->rx_packets, |
|
cpr->rx_bytes, |
|
&dim_sample); |
|
net_dim(&cpr->dim, dim_sample); |
|
} |
|
return work_done; |
|
} |
|
|
|
static int __bnxt_poll_cqs(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) |
|
{ |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
int i, work_done = 0; |
|
|
|
for (i = 0; i < 2; i++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i]; |
|
|
|
if (cpr2) { |
|
work_done += __bnxt_poll_work(bp, cpr2, |
|
budget - work_done); |
|
cpr->has_more_work |= cpr2->has_more_work; |
|
} |
|
} |
|
return work_done; |
|
} |
|
|
|
static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi, |
|
u64 dbr_type) |
|
{ |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
int i; |
|
|
|
for (i = 0; i < 2; i++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i]; |
|
struct bnxt_db_info *db; |
|
|
|
if (cpr2 && cpr2->had_work_done) { |
|
db = &cpr2->cp_db; |
|
writeq(db->db_key64 | dbr_type | |
|
RING_CMP(cpr2->cp_raw_cons), db->doorbell); |
|
cpr2->had_work_done = 0; |
|
} |
|
} |
|
__bnxt_poll_work_done(bp, bnapi); |
|
} |
|
|
|
static int bnxt_poll_p5(struct napi_struct *napi, int budget) |
|
{ |
|
struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi); |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
u32 raw_cons = cpr->cp_raw_cons; |
|
struct bnxt *bp = bnapi->bp; |
|
struct nqe_cn *nqcmp; |
|
int work_done = 0; |
|
u32 cons; |
|
|
|
if (cpr->has_more_work) { |
|
cpr->has_more_work = 0; |
|
work_done = __bnxt_poll_cqs(bp, bnapi, budget); |
|
} |
|
while (1) { |
|
cons = RING_CMP(raw_cons); |
|
nqcmp = &cpr->nq_desc_ring[CP_RING(cons)][CP_IDX(cons)]; |
|
|
|
if (!NQ_CMP_VALID(nqcmp, raw_cons)) { |
|
if (cpr->has_more_work) |
|
break; |
|
|
|
__bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL); |
|
cpr->cp_raw_cons = raw_cons; |
|
if (napi_complete_done(napi, work_done)) |
|
BNXT_DB_NQ_ARM_P5(&cpr->cp_db, |
|
cpr->cp_raw_cons); |
|
return work_done; |
|
} |
|
|
|
/* The valid test of the entry must be done first before |
|
* reading any further. |
|
*/ |
|
dma_rmb(); |
|
|
|
if (nqcmp->type == cpu_to_le16(NQ_CN_TYPE_CQ_NOTIFICATION)) { |
|
u32 idx = le32_to_cpu(nqcmp->cq_handle_low); |
|
struct bnxt_cp_ring_info *cpr2; |
|
|
|
cpr2 = cpr->cp_ring_arr[idx]; |
|
work_done += __bnxt_poll_work(bp, cpr2, |
|
budget - work_done); |
|
cpr->has_more_work |= cpr2->has_more_work; |
|
} else { |
|
bnxt_hwrm_handler(bp, (struct tx_cmp *)nqcmp); |
|
} |
|
raw_cons = NEXT_RAW_CMP(raw_cons); |
|
} |
|
__bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ); |
|
if (raw_cons != cpr->cp_raw_cons) { |
|
cpr->cp_raw_cons = raw_cons; |
|
BNXT_DB_NQ_P5(&cpr->cp_db, raw_cons); |
|
} |
|
return work_done; |
|
} |
|
|
|
static void bnxt_free_tx_skbs(struct bnxt *bp) |
|
{ |
|
int i, max_idx; |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (!bp->tx_ring) |
|
return; |
|
|
|
max_idx = bp->tx_nr_pages * TX_DESC_CNT; |
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
int j; |
|
|
|
for (j = 0; j < max_idx;) { |
|
struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; |
|
struct sk_buff *skb; |
|
int k, last; |
|
|
|
if (i < bp->tx_nr_rings_xdp && |
|
tx_buf->action == XDP_REDIRECT) { |
|
dma_unmap_single(&pdev->dev, |
|
dma_unmap_addr(tx_buf, mapping), |
|
dma_unmap_len(tx_buf, len), |
|
PCI_DMA_TODEVICE); |
|
xdp_return_frame(tx_buf->xdpf); |
|
tx_buf->action = 0; |
|
tx_buf->xdpf = NULL; |
|
j++; |
|
continue; |
|
} |
|
|
|
skb = tx_buf->skb; |
|
if (!skb) { |
|
j++; |
|
continue; |
|
} |
|
|
|
tx_buf->skb = NULL; |
|
|
|
if (tx_buf->is_push) { |
|
dev_kfree_skb(skb); |
|
j += 2; |
|
continue; |
|
} |
|
|
|
dma_unmap_single(&pdev->dev, |
|
dma_unmap_addr(tx_buf, mapping), |
|
skb_headlen(skb), |
|
PCI_DMA_TODEVICE); |
|
|
|
last = tx_buf->nr_frags; |
|
j += 2; |
|
for (k = 0; k < last; k++, j++) { |
|
int ring_idx = j & bp->tx_ring_mask; |
|
skb_frag_t *frag = &skb_shinfo(skb)->frags[k]; |
|
|
|
tx_buf = &txr->tx_buf_ring[ring_idx]; |
|
dma_unmap_page( |
|
&pdev->dev, |
|
dma_unmap_addr(tx_buf, mapping), |
|
skb_frag_size(frag), PCI_DMA_TODEVICE); |
|
} |
|
dev_kfree_skb(skb); |
|
} |
|
netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i)); |
|
} |
|
} |
|
|
|
static void bnxt_free_one_rx_ring_skbs(struct bnxt *bp, int ring_nr) |
|
{ |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; |
|
struct pci_dev *pdev = bp->pdev; |
|
struct bnxt_tpa_idx_map *map; |
|
int i, max_idx, max_agg_idx; |
|
|
|
max_idx = bp->rx_nr_pages * RX_DESC_CNT; |
|
max_agg_idx = bp->rx_agg_nr_pages * RX_DESC_CNT; |
|
if (!rxr->rx_tpa) |
|
goto skip_rx_tpa_free; |
|
|
|
for (i = 0; i < bp->max_tpa; i++) { |
|
struct bnxt_tpa_info *tpa_info = &rxr->rx_tpa[i]; |
|
u8 *data = tpa_info->data; |
|
|
|
if (!data) |
|
continue; |
|
|
|
dma_unmap_single_attrs(&pdev->dev, tpa_info->mapping, |
|
bp->rx_buf_use_size, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
|
|
tpa_info->data = NULL; |
|
|
|
kfree(data); |
|
} |
|
|
|
skip_rx_tpa_free: |
|
for (i = 0; i < max_idx; i++) { |
|
struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i]; |
|
dma_addr_t mapping = rx_buf->mapping; |
|
void *data = rx_buf->data; |
|
|
|
if (!data) |
|
continue; |
|
|
|
rx_buf->data = NULL; |
|
if (BNXT_RX_PAGE_MODE(bp)) { |
|
mapping -= bp->rx_dma_offset; |
|
dma_unmap_page_attrs(&pdev->dev, mapping, PAGE_SIZE, |
|
bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
page_pool_recycle_direct(rxr->page_pool, data); |
|
} else { |
|
dma_unmap_single_attrs(&pdev->dev, mapping, |
|
bp->rx_buf_use_size, bp->rx_dir, |
|
DMA_ATTR_WEAK_ORDERING); |
|
kfree(data); |
|
} |
|
} |
|
for (i = 0; i < max_agg_idx; i++) { |
|
struct bnxt_sw_rx_agg_bd *rx_agg_buf = &rxr->rx_agg_ring[i]; |
|
struct page *page = rx_agg_buf->page; |
|
|
|
if (!page) |
|
continue; |
|
|
|
dma_unmap_page_attrs(&pdev->dev, rx_agg_buf->mapping, |
|
BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE, |
|
DMA_ATTR_WEAK_ORDERING); |
|
|
|
rx_agg_buf->page = NULL; |
|
__clear_bit(i, rxr->rx_agg_bmap); |
|
|
|
__free_page(page); |
|
} |
|
if (rxr->rx_page) { |
|
__free_page(rxr->rx_page); |
|
rxr->rx_page = NULL; |
|
} |
|
map = rxr->rx_tpa_idx_map; |
|
if (map) |
|
memset(map->agg_idx_bmap, 0, sizeof(map->agg_idx_bmap)); |
|
} |
|
|
|
static void bnxt_free_rx_skbs(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->rx_ring) |
|
return; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) |
|
bnxt_free_one_rx_ring_skbs(bp, i); |
|
} |
|
|
|
static void bnxt_free_skbs(struct bnxt *bp) |
|
{ |
|
bnxt_free_tx_skbs(bp); |
|
bnxt_free_rx_skbs(bp); |
|
} |
|
|
|
static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
int i; |
|
|
|
for (i = 0; i < rmem->nr_pages; i++) { |
|
if (!rmem->pg_arr[i]) |
|
continue; |
|
|
|
dma_free_coherent(&pdev->dev, rmem->page_size, |
|
rmem->pg_arr[i], rmem->dma_arr[i]); |
|
|
|
rmem->pg_arr[i] = NULL; |
|
} |
|
if (rmem->pg_tbl) { |
|
size_t pg_tbl_size = rmem->nr_pages * 8; |
|
|
|
if (rmem->flags & BNXT_RMEM_USE_FULL_PAGE_FLAG) |
|
pg_tbl_size = rmem->page_size; |
|
dma_free_coherent(&pdev->dev, pg_tbl_size, |
|
rmem->pg_tbl, rmem->pg_tbl_map); |
|
rmem->pg_tbl = NULL; |
|
} |
|
if (rmem->vmem_size && *rmem->vmem) { |
|
vfree(*rmem->vmem); |
|
*rmem->vmem = NULL; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
u64 valid_bit = 0; |
|
int i; |
|
|
|
if (rmem->flags & (BNXT_RMEM_VALID_PTE_FLAG | BNXT_RMEM_RING_PTE_FLAG)) |
|
valid_bit = PTU_PTE_VALID; |
|
if ((rmem->nr_pages > 1 || rmem->depth > 0) && !rmem->pg_tbl) { |
|
size_t pg_tbl_size = rmem->nr_pages * 8; |
|
|
|
if (rmem->flags & BNXT_RMEM_USE_FULL_PAGE_FLAG) |
|
pg_tbl_size = rmem->page_size; |
|
rmem->pg_tbl = dma_alloc_coherent(&pdev->dev, pg_tbl_size, |
|
&rmem->pg_tbl_map, |
|
GFP_KERNEL); |
|
if (!rmem->pg_tbl) |
|
return -ENOMEM; |
|
} |
|
|
|
for (i = 0; i < rmem->nr_pages; i++) { |
|
u64 extra_bits = valid_bit; |
|
|
|
rmem->pg_arr[i] = dma_alloc_coherent(&pdev->dev, |
|
rmem->page_size, |
|
&rmem->dma_arr[i], |
|
GFP_KERNEL); |
|
if (!rmem->pg_arr[i]) |
|
return -ENOMEM; |
|
|
|
if (rmem->init_val) |
|
memset(rmem->pg_arr[i], rmem->init_val, |
|
rmem->page_size); |
|
if (rmem->nr_pages > 1 || rmem->depth > 0) { |
|
if (i == rmem->nr_pages - 2 && |
|
(rmem->flags & BNXT_RMEM_RING_PTE_FLAG)) |
|
extra_bits |= PTU_PTE_NEXT_TO_LAST; |
|
else if (i == rmem->nr_pages - 1 && |
|
(rmem->flags & BNXT_RMEM_RING_PTE_FLAG)) |
|
extra_bits |= PTU_PTE_LAST; |
|
rmem->pg_tbl[i] = |
|
cpu_to_le64(rmem->dma_arr[i] | extra_bits); |
|
} |
|
} |
|
|
|
if (rmem->vmem_size) { |
|
*rmem->vmem = vzalloc(rmem->vmem_size); |
|
if (!(*rmem->vmem)) |
|
return -ENOMEM; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_tpa_info(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
|
|
kfree(rxr->rx_tpa_idx_map); |
|
rxr->rx_tpa_idx_map = NULL; |
|
if (rxr->rx_tpa) { |
|
kfree(rxr->rx_tpa[0].agg_arr); |
|
rxr->rx_tpa[0].agg_arr = NULL; |
|
} |
|
kfree(rxr->rx_tpa); |
|
rxr->rx_tpa = NULL; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_tpa_info(struct bnxt *bp) |
|
{ |
|
int i, j, total_aggs = 0; |
|
|
|
bp->max_tpa = MAX_TPA; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
if (!bp->max_tpa_v2) |
|
return 0; |
|
bp->max_tpa = max_t(u16, bp->max_tpa_v2, MAX_TPA_P5); |
|
total_aggs = bp->max_tpa * MAX_SKB_FRAGS; |
|
} |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct rx_agg_cmp *agg; |
|
|
|
rxr->rx_tpa = kcalloc(bp->max_tpa, sizeof(struct bnxt_tpa_info), |
|
GFP_KERNEL); |
|
if (!rxr->rx_tpa) |
|
return -ENOMEM; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
continue; |
|
agg = kcalloc(total_aggs, sizeof(*agg), GFP_KERNEL); |
|
rxr->rx_tpa[0].agg_arr = agg; |
|
if (!agg) |
|
return -ENOMEM; |
|
for (j = 1; j < bp->max_tpa; j++) |
|
rxr->rx_tpa[j].agg_arr = agg + j * MAX_SKB_FRAGS; |
|
rxr->rx_tpa_idx_map = kzalloc(sizeof(*rxr->rx_tpa_idx_map), |
|
GFP_KERNEL); |
|
if (!rxr->rx_tpa_idx_map) |
|
return -ENOMEM; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_rx_rings(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->rx_ring) |
|
return; |
|
|
|
bnxt_free_tpa_info(bp); |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring; |
|
|
|
if (rxr->xdp_prog) |
|
bpf_prog_put(rxr->xdp_prog); |
|
|
|
if (xdp_rxq_info_is_reg(&rxr->xdp_rxq)) |
|
xdp_rxq_info_unreg(&rxr->xdp_rxq); |
|
|
|
page_pool_destroy(rxr->page_pool); |
|
rxr->page_pool = NULL; |
|
|
|
kfree(rxr->rx_agg_bmap); |
|
rxr->rx_agg_bmap = NULL; |
|
|
|
ring = &rxr->rx_ring_struct; |
|
bnxt_free_ring(bp, &ring->ring_mem); |
|
|
|
ring = &rxr->rx_agg_ring_struct; |
|
bnxt_free_ring(bp, &ring->ring_mem); |
|
} |
|
} |
|
|
|
static int bnxt_alloc_rx_page_pool(struct bnxt *bp, |
|
struct bnxt_rx_ring_info *rxr) |
|
{ |
|
struct page_pool_params pp = { 0 }; |
|
|
|
pp.pool_size = bp->rx_ring_size; |
|
pp.nid = dev_to_node(&bp->pdev->dev); |
|
pp.dev = &bp->pdev->dev; |
|
pp.dma_dir = DMA_BIDIRECTIONAL; |
|
|
|
rxr->page_pool = page_pool_create(&pp); |
|
if (IS_ERR(rxr->page_pool)) { |
|
int err = PTR_ERR(rxr->page_pool); |
|
|
|
rxr->page_pool = NULL; |
|
return err; |
|
} |
|
return 0; |
|
} |
|
|
|
static int bnxt_alloc_rx_rings(struct bnxt *bp) |
|
{ |
|
int i, rc = 0, agg_rings = 0; |
|
|
|
if (!bp->rx_ring) |
|
return -ENOMEM; |
|
|
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
agg_rings = 1; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring; |
|
|
|
ring = &rxr->rx_ring_struct; |
|
|
|
rc = bnxt_alloc_rx_page_pool(bp, rxr); |
|
if (rc) |
|
return rc; |
|
|
|
rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i); |
|
if (rc < 0) |
|
return rc; |
|
|
|
rc = xdp_rxq_info_reg_mem_model(&rxr->xdp_rxq, |
|
MEM_TYPE_PAGE_POOL, |
|
rxr->page_pool); |
|
if (rc) { |
|
xdp_rxq_info_unreg(&rxr->xdp_rxq); |
|
return rc; |
|
} |
|
|
|
rc = bnxt_alloc_ring(bp, &ring->ring_mem); |
|
if (rc) |
|
return rc; |
|
|
|
ring->grp_idx = i; |
|
if (agg_rings) { |
|
u16 mem_size; |
|
|
|
ring = &rxr->rx_agg_ring_struct; |
|
rc = bnxt_alloc_ring(bp, &ring->ring_mem); |
|
if (rc) |
|
return rc; |
|
|
|
ring->grp_idx = i; |
|
rxr->rx_agg_bmap_size = bp->rx_agg_ring_mask + 1; |
|
mem_size = rxr->rx_agg_bmap_size / 8; |
|
rxr->rx_agg_bmap = kzalloc(mem_size, GFP_KERNEL); |
|
if (!rxr->rx_agg_bmap) |
|
return -ENOMEM; |
|
} |
|
} |
|
if (bp->flags & BNXT_FLAG_TPA) |
|
rc = bnxt_alloc_tpa_info(bp); |
|
return rc; |
|
} |
|
|
|
static void bnxt_free_tx_rings(struct bnxt *bp) |
|
{ |
|
int i; |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (!bp->tx_ring) |
|
return; |
|
|
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
struct bnxt_ring_struct *ring; |
|
|
|
if (txr->tx_push) { |
|
dma_free_coherent(&pdev->dev, bp->tx_push_size, |
|
txr->tx_push, txr->tx_push_mapping); |
|
txr->tx_push = NULL; |
|
} |
|
|
|
ring = &txr->tx_ring_struct; |
|
|
|
bnxt_free_ring(bp, &ring->ring_mem); |
|
} |
|
} |
|
|
|
static int bnxt_alloc_tx_rings(struct bnxt *bp) |
|
{ |
|
int i, j, rc; |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
bp->tx_push_size = 0; |
|
if (bp->tx_push_thresh) { |
|
int push_size; |
|
|
|
push_size = L1_CACHE_ALIGN(sizeof(struct tx_push_bd) + |
|
bp->tx_push_thresh); |
|
|
|
if (push_size > 256) { |
|
push_size = 0; |
|
bp->tx_push_thresh = 0; |
|
} |
|
|
|
bp->tx_push_size = push_size; |
|
} |
|
|
|
for (i = 0, j = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
struct bnxt_ring_struct *ring; |
|
u8 qidx; |
|
|
|
ring = &txr->tx_ring_struct; |
|
|
|
rc = bnxt_alloc_ring(bp, &ring->ring_mem); |
|
if (rc) |
|
return rc; |
|
|
|
ring->grp_idx = txr->bnapi->index; |
|
if (bp->tx_push_size) { |
|
dma_addr_t mapping; |
|
|
|
/* One pre-allocated DMA buffer to backup |
|
* TX push operation |
|
*/ |
|
txr->tx_push = dma_alloc_coherent(&pdev->dev, |
|
bp->tx_push_size, |
|
&txr->tx_push_mapping, |
|
GFP_KERNEL); |
|
|
|
if (!txr->tx_push) |
|
return -ENOMEM; |
|
|
|
mapping = txr->tx_push_mapping + |
|
sizeof(struct tx_push_bd); |
|
txr->data_mapping = cpu_to_le64(mapping); |
|
} |
|
qidx = bp->tc_to_qidx[j]; |
|
ring->queue_id = bp->q_info[qidx].queue_id; |
|
if (i < bp->tx_nr_rings_xdp) |
|
continue; |
|
if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1)) |
|
j++; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_cp_rings(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_ring_struct *ring; |
|
int j; |
|
|
|
if (!bnapi) |
|
continue; |
|
|
|
cpr = &bnapi->cp_ring; |
|
ring = &cpr->cp_ring_struct; |
|
|
|
bnxt_free_ring(bp, &ring->ring_mem); |
|
|
|
for (j = 0; j < 2; j++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; |
|
|
|
if (cpr2) { |
|
ring = &cpr2->cp_ring_struct; |
|
bnxt_free_ring(bp, &ring->ring_mem); |
|
kfree(cpr2); |
|
cpr->cp_ring_arr[j] = NULL; |
|
} |
|
} |
|
} |
|
} |
|
|
|
static struct bnxt_cp_ring_info *bnxt_alloc_cp_sub_ring(struct bnxt *bp) |
|
{ |
|
struct bnxt_ring_mem_info *rmem; |
|
struct bnxt_ring_struct *ring; |
|
struct bnxt_cp_ring_info *cpr; |
|
int rc; |
|
|
|
cpr = kzalloc(sizeof(*cpr), GFP_KERNEL); |
|
if (!cpr) |
|
return NULL; |
|
|
|
ring = &cpr->cp_ring_struct; |
|
rmem = &ring->ring_mem; |
|
rmem->nr_pages = bp->cp_nr_pages; |
|
rmem->page_size = HW_CMPD_RING_SIZE; |
|
rmem->pg_arr = (void **)cpr->cp_desc_ring; |
|
rmem->dma_arr = cpr->cp_desc_mapping; |
|
rmem->flags = BNXT_RMEM_RING_PTE_FLAG; |
|
rc = bnxt_alloc_ring(bp, rmem); |
|
if (rc) { |
|
bnxt_free_ring(bp, rmem); |
|
kfree(cpr); |
|
cpr = NULL; |
|
} |
|
return cpr; |
|
} |
|
|
|
static int bnxt_alloc_cp_rings(struct bnxt *bp) |
|
{ |
|
bool sh = !!(bp->flags & BNXT_FLAG_SHARED_RINGS); |
|
int i, rc, ulp_base_vec, ulp_msix; |
|
|
|
ulp_msix = bnxt_get_ulp_msix_num(bp); |
|
ulp_base_vec = bnxt_get_ulp_msix_base(bp); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_ring_struct *ring; |
|
|
|
if (!bnapi) |
|
continue; |
|
|
|
cpr = &bnapi->cp_ring; |
|
cpr->bnapi = bnapi; |
|
ring = &cpr->cp_ring_struct; |
|
|
|
rc = bnxt_alloc_ring(bp, &ring->ring_mem); |
|
if (rc) |
|
return rc; |
|
|
|
if (ulp_msix && i >= ulp_base_vec) |
|
ring->map_idx = i + ulp_msix; |
|
else |
|
ring->map_idx = i; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
continue; |
|
|
|
if (i < bp->rx_nr_rings) { |
|
struct bnxt_cp_ring_info *cpr2 = |
|
bnxt_alloc_cp_sub_ring(bp); |
|
|
|
cpr->cp_ring_arr[BNXT_RX_HDL] = cpr2; |
|
if (!cpr2) |
|
return -ENOMEM; |
|
cpr2->bnapi = bnapi; |
|
} |
|
if ((sh && i < bp->tx_nr_rings) || |
|
(!sh && i >= bp->rx_nr_rings)) { |
|
struct bnxt_cp_ring_info *cpr2 = |
|
bnxt_alloc_cp_sub_ring(bp); |
|
|
|
cpr->cp_ring_arr[BNXT_TX_HDL] = cpr2; |
|
if (!cpr2) |
|
return -ENOMEM; |
|
cpr2->bnapi = bnapi; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_init_ring_struct(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_ring_mem_info *rmem; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_rx_ring_info *rxr; |
|
struct bnxt_tx_ring_info *txr; |
|
struct bnxt_ring_struct *ring; |
|
|
|
if (!bnapi) |
|
continue; |
|
|
|
cpr = &bnapi->cp_ring; |
|
ring = &cpr->cp_ring_struct; |
|
rmem = &ring->ring_mem; |
|
rmem->nr_pages = bp->cp_nr_pages; |
|
rmem->page_size = HW_CMPD_RING_SIZE; |
|
rmem->pg_arr = (void **)cpr->cp_desc_ring; |
|
rmem->dma_arr = cpr->cp_desc_mapping; |
|
rmem->vmem_size = 0; |
|
|
|
rxr = bnapi->rx_ring; |
|
if (!rxr) |
|
goto skip_rx; |
|
|
|
ring = &rxr->rx_ring_struct; |
|
rmem = &ring->ring_mem; |
|
rmem->nr_pages = bp->rx_nr_pages; |
|
rmem->page_size = HW_RXBD_RING_SIZE; |
|
rmem->pg_arr = (void **)rxr->rx_desc_ring; |
|
rmem->dma_arr = rxr->rx_desc_mapping; |
|
rmem->vmem_size = SW_RXBD_RING_SIZE * bp->rx_nr_pages; |
|
rmem->vmem = (void **)&rxr->rx_buf_ring; |
|
|
|
ring = &rxr->rx_agg_ring_struct; |
|
rmem = &ring->ring_mem; |
|
rmem->nr_pages = bp->rx_agg_nr_pages; |
|
rmem->page_size = HW_RXBD_RING_SIZE; |
|
rmem->pg_arr = (void **)rxr->rx_agg_desc_ring; |
|
rmem->dma_arr = rxr->rx_agg_desc_mapping; |
|
rmem->vmem_size = SW_RXBD_AGG_RING_SIZE * bp->rx_agg_nr_pages; |
|
rmem->vmem = (void **)&rxr->rx_agg_ring; |
|
|
|
skip_rx: |
|
txr = bnapi->tx_ring; |
|
if (!txr) |
|
continue; |
|
|
|
ring = &txr->tx_ring_struct; |
|
rmem = &ring->ring_mem; |
|
rmem->nr_pages = bp->tx_nr_pages; |
|
rmem->page_size = HW_RXBD_RING_SIZE; |
|
rmem->pg_arr = (void **)txr->tx_desc_ring; |
|
rmem->dma_arr = txr->tx_desc_mapping; |
|
rmem->vmem_size = SW_TXBD_RING_SIZE * bp->tx_nr_pages; |
|
rmem->vmem = (void **)&txr->tx_buf_ring; |
|
} |
|
} |
|
|
|
static void bnxt_init_rxbd_pages(struct bnxt_ring_struct *ring, u32 type) |
|
{ |
|
int i; |
|
u32 prod; |
|
struct rx_bd **rx_buf_ring; |
|
|
|
rx_buf_ring = (struct rx_bd **)ring->ring_mem.pg_arr; |
|
for (i = 0, prod = 0; i < ring->ring_mem.nr_pages; i++) { |
|
int j; |
|
struct rx_bd *rxbd; |
|
|
|
rxbd = rx_buf_ring[i]; |
|
if (!rxbd) |
|
continue; |
|
|
|
for (j = 0; j < RX_DESC_CNT; j++, rxbd++, prod++) { |
|
rxbd->rx_bd_len_flags_type = cpu_to_le32(type); |
|
rxbd->rx_bd_opaque = prod; |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_alloc_one_rx_ring(struct bnxt *bp, int ring_nr) |
|
{ |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; |
|
struct net_device *dev = bp->dev; |
|
u32 prod; |
|
int i; |
|
|
|
prod = rxr->rx_prod; |
|
for (i = 0; i < bp->rx_ring_size; i++) { |
|
if (bnxt_alloc_rx_data(bp, rxr, prod, GFP_KERNEL)) { |
|
netdev_warn(dev, "init'ed rx ring %d with %d/%d skbs only\n", |
|
ring_nr, i, bp->rx_ring_size); |
|
break; |
|
} |
|
prod = NEXT_RX(prod); |
|
} |
|
rxr->rx_prod = prod; |
|
|
|
if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) |
|
return 0; |
|
|
|
prod = rxr->rx_agg_prod; |
|
for (i = 0; i < bp->rx_agg_ring_size; i++) { |
|
if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_KERNEL)) { |
|
netdev_warn(dev, "init'ed rx ring %d with %d/%d pages only\n", |
|
ring_nr, i, bp->rx_ring_size); |
|
break; |
|
} |
|
prod = NEXT_RX_AGG(prod); |
|
} |
|
rxr->rx_agg_prod = prod; |
|
|
|
if (rxr->rx_tpa) { |
|
dma_addr_t mapping; |
|
u8 *data; |
|
|
|
for (i = 0; i < bp->max_tpa; i++) { |
|
data = __bnxt_alloc_rx_data(bp, &mapping, GFP_KERNEL); |
|
if (!data) |
|
return -ENOMEM; |
|
|
|
rxr->rx_tpa[i].data = data; |
|
rxr->rx_tpa[i].data_ptr = data + bp->rx_offset; |
|
rxr->rx_tpa[i].mapping = mapping; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) |
|
{ |
|
struct bnxt_rx_ring_info *rxr; |
|
struct bnxt_ring_struct *ring; |
|
u32 type; |
|
|
|
type = (bp->rx_buf_use_size << RX_BD_LEN_SHIFT) | |
|
RX_BD_TYPE_RX_PACKET_BD | RX_BD_FLAGS_EOP; |
|
|
|
if (NET_IP_ALIGN == 2) |
|
type |= RX_BD_FLAGS_SOP; |
|
|
|
rxr = &bp->rx_ring[ring_nr]; |
|
ring = &rxr->rx_ring_struct; |
|
bnxt_init_rxbd_pages(ring, type); |
|
|
|
if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) { |
|
bpf_prog_add(bp->xdp_prog, 1); |
|
rxr->xdp_prog = bp->xdp_prog; |
|
} |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
|
|
ring = &rxr->rx_agg_ring_struct; |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
|
|
if ((bp->flags & BNXT_FLAG_AGG_RINGS)) { |
|
type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | |
|
RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP; |
|
|
|
bnxt_init_rxbd_pages(ring, type); |
|
} |
|
|
|
return bnxt_alloc_one_rx_ring(bp, ring_nr); |
|
} |
|
|
|
static void bnxt_init_cp_rings(struct bnxt *bp) |
|
{ |
|
int i, j; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; |
|
struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; |
|
|
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
cpr->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks; |
|
cpr->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs; |
|
for (j = 0; j < 2; j++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; |
|
|
|
if (!cpr2) |
|
continue; |
|
|
|
ring = &cpr2->cp_ring_struct; |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
cpr2->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks; |
|
cpr2->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs; |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_init_rx_rings(struct bnxt *bp) |
|
{ |
|
int i, rc = 0; |
|
|
|
if (BNXT_RX_PAGE_MODE(bp)) { |
|
bp->rx_offset = NET_IP_ALIGN + XDP_PACKET_HEADROOM; |
|
bp->rx_dma_offset = XDP_PACKET_HEADROOM; |
|
} else { |
|
bp->rx_offset = BNXT_RX_OFFSET; |
|
bp->rx_dma_offset = BNXT_RX_DMA_OFFSET; |
|
} |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
rc = bnxt_init_one_rx_ring(bp, i); |
|
if (rc) |
|
break; |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_init_tx_rings(struct bnxt *bp) |
|
{ |
|
u16 i; |
|
|
|
bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2, |
|
MAX_SKB_FRAGS + 1); |
|
|
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
struct bnxt_ring_struct *ring = &txr->tx_ring_struct; |
|
|
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void bnxt_free_ring_grps(struct bnxt *bp) |
|
{ |
|
kfree(bp->grp_info); |
|
bp->grp_info = NULL; |
|
} |
|
|
|
static int bnxt_init_ring_grps(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
int i; |
|
|
|
if (irq_re_init) { |
|
bp->grp_info = kcalloc(bp->cp_nr_rings, |
|
sizeof(struct bnxt_ring_grp_info), |
|
GFP_KERNEL); |
|
if (!bp->grp_info) |
|
return -ENOMEM; |
|
} |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
if (irq_re_init) |
|
bp->grp_info[i].fw_stats_ctx = INVALID_HW_RING_ID; |
|
bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID; |
|
bp->grp_info[i].rx_fw_ring_id = INVALID_HW_RING_ID; |
|
bp->grp_info[i].agg_fw_ring_id = INVALID_HW_RING_ID; |
|
bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_vnics(struct bnxt *bp) |
|
{ |
|
kfree(bp->vnic_info); |
|
bp->vnic_info = NULL; |
|
bp->nr_vnics = 0; |
|
} |
|
|
|
static int bnxt_alloc_vnics(struct bnxt *bp) |
|
{ |
|
int num_vnics = 1; |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) |
|
num_vnics += bp->rx_nr_rings; |
|
#endif |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
num_vnics++; |
|
|
|
bp->vnic_info = kcalloc(num_vnics, sizeof(struct bnxt_vnic_info), |
|
GFP_KERNEL); |
|
if (!bp->vnic_info) |
|
return -ENOMEM; |
|
|
|
bp->nr_vnics = num_vnics; |
|
return 0; |
|
} |
|
|
|
static void bnxt_init_vnics(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) { |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; |
|
int j; |
|
|
|
vnic->fw_vnic_id = INVALID_HW_RING_ID; |
|
for (j = 0; j < BNXT_MAX_CTX_PER_VNIC; j++) |
|
vnic->fw_rss_cos_lb_ctx[j] = INVALID_HW_RING_ID; |
|
|
|
vnic->fw_l2_ctx_id = INVALID_HW_RING_ID; |
|
|
|
if (bp->vnic_info[i].rss_hash_key) { |
|
if (i == 0) |
|
prandom_bytes(vnic->rss_hash_key, |
|
HW_HASH_KEY_SIZE); |
|
else |
|
memcpy(vnic->rss_hash_key, |
|
bp->vnic_info[0].rss_hash_key, |
|
HW_HASH_KEY_SIZE); |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_calc_nr_ring_pages(u32 ring_size, int desc_per_pg) |
|
{ |
|
int pages; |
|
|
|
pages = ring_size / desc_per_pg; |
|
|
|
if (!pages) |
|
return 1; |
|
|
|
pages++; |
|
|
|
while (pages & (pages - 1)) |
|
pages++; |
|
|
|
return pages; |
|
} |
|
|
|
void bnxt_set_tpa_flags(struct bnxt *bp) |
|
{ |
|
bp->flags &= ~BNXT_FLAG_TPA; |
|
if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) |
|
return; |
|
if (bp->dev->features & NETIF_F_LRO) |
|
bp->flags |= BNXT_FLAG_LRO; |
|
else if (bp->dev->features & NETIF_F_GRO_HW) |
|
bp->flags |= BNXT_FLAG_GRO; |
|
} |
|
|
|
/* bp->rx_ring_size, bp->tx_ring_size, dev->mtu, BNXT_FLAG_{G|L}RO flags must |
|
* be set on entry. |
|
*/ |
|
void bnxt_set_ring_params(struct bnxt *bp) |
|
{ |
|
u32 ring_size, rx_size, rx_space, max_rx_cmpl; |
|
u32 agg_factor = 0, agg_ring_size = 0; |
|
|
|
/* 8 for CRC and VLAN */ |
|
rx_size = SKB_DATA_ALIGN(bp->dev->mtu + ETH_HLEN + NET_IP_ALIGN + 8); |
|
|
|
rx_space = rx_size + NET_SKB_PAD + |
|
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); |
|
|
|
bp->rx_copy_thresh = BNXT_RX_COPY_THRESH; |
|
ring_size = bp->rx_ring_size; |
|
bp->rx_agg_ring_size = 0; |
|
bp->rx_agg_nr_pages = 0; |
|
|
|
if (bp->flags & BNXT_FLAG_TPA) |
|
agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE); |
|
|
|
bp->flags &= ~BNXT_FLAG_JUMBO; |
|
if (rx_space > PAGE_SIZE && !(bp->flags & BNXT_FLAG_NO_AGG_RINGS)) { |
|
u32 jumbo_factor; |
|
|
|
bp->flags |= BNXT_FLAG_JUMBO; |
|
jumbo_factor = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT; |
|
if (jumbo_factor > agg_factor) |
|
agg_factor = jumbo_factor; |
|
} |
|
agg_ring_size = ring_size * agg_factor; |
|
|
|
if (agg_ring_size) { |
|
bp->rx_agg_nr_pages = bnxt_calc_nr_ring_pages(agg_ring_size, |
|
RX_DESC_CNT); |
|
if (bp->rx_agg_nr_pages > MAX_RX_AGG_PAGES) { |
|
u32 tmp = agg_ring_size; |
|
|
|
bp->rx_agg_nr_pages = MAX_RX_AGG_PAGES; |
|
agg_ring_size = MAX_RX_AGG_PAGES * RX_DESC_CNT - 1; |
|
netdev_warn(bp->dev, "rx agg ring size %d reduced to %d.\n", |
|
tmp, agg_ring_size); |
|
} |
|
bp->rx_agg_ring_size = agg_ring_size; |
|
bp->rx_agg_ring_mask = (bp->rx_agg_nr_pages * RX_DESC_CNT) - 1; |
|
rx_size = SKB_DATA_ALIGN(BNXT_RX_COPY_THRESH + NET_IP_ALIGN); |
|
rx_space = rx_size + NET_SKB_PAD + |
|
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); |
|
} |
|
|
|
bp->rx_buf_use_size = rx_size; |
|
bp->rx_buf_size = rx_space; |
|
|
|
bp->rx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, RX_DESC_CNT); |
|
bp->rx_ring_mask = (bp->rx_nr_pages * RX_DESC_CNT) - 1; |
|
|
|
ring_size = bp->tx_ring_size; |
|
bp->tx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, TX_DESC_CNT); |
|
bp->tx_ring_mask = (bp->tx_nr_pages * TX_DESC_CNT) - 1; |
|
|
|
max_rx_cmpl = bp->rx_ring_size; |
|
/* MAX TPA needs to be added because TPA_START completions are |
|
* immediately recycled, so the TPA completions are not bound by |
|
* the RX ring size. |
|
*/ |
|
if (bp->flags & BNXT_FLAG_TPA) |
|
max_rx_cmpl += bp->max_tpa; |
|
/* RX and TPA completions are 32-byte, all others are 16-byte */ |
|
ring_size = max_rx_cmpl * 2 + agg_ring_size + bp->tx_ring_size; |
|
bp->cp_ring_size = ring_size; |
|
|
|
bp->cp_nr_pages = bnxt_calc_nr_ring_pages(ring_size, CP_DESC_CNT); |
|
if (bp->cp_nr_pages > MAX_CP_PAGES) { |
|
bp->cp_nr_pages = MAX_CP_PAGES; |
|
bp->cp_ring_size = MAX_CP_PAGES * CP_DESC_CNT - 1; |
|
netdev_warn(bp->dev, "completion ring size %d reduced to %d.\n", |
|
ring_size, bp->cp_ring_size); |
|
} |
|
bp->cp_bit = bp->cp_nr_pages * CP_DESC_CNT; |
|
bp->cp_ring_mask = bp->cp_bit - 1; |
|
} |
|
|
|
/* Changing allocation mode of RX rings. |
|
* TODO: Update when extending xdp_rxq_info to support allocation modes. |
|
*/ |
|
int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode) |
|
{ |
|
if (page_mode) { |
|
if (bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU) |
|
return -EOPNOTSUPP; |
|
bp->dev->max_mtu = |
|
min_t(u16, bp->max_mtu, BNXT_MAX_PAGE_MODE_MTU); |
|
bp->flags &= ~BNXT_FLAG_AGG_RINGS; |
|
bp->flags |= BNXT_FLAG_NO_AGG_RINGS | BNXT_FLAG_RX_PAGE_MODE; |
|
bp->rx_dir = DMA_BIDIRECTIONAL; |
|
bp->rx_skb_func = bnxt_rx_page_skb; |
|
/* Disable LRO or GRO_HW */ |
|
netdev_update_features(bp->dev); |
|
} else { |
|
bp->dev->max_mtu = bp->max_mtu; |
|
bp->flags &= ~BNXT_FLAG_RX_PAGE_MODE; |
|
bp->rx_dir = DMA_FROM_DEVICE; |
|
bp->rx_skb_func = bnxt_rx_skb; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_vnic_attributes(struct bnxt *bp) |
|
{ |
|
int i; |
|
struct bnxt_vnic_info *vnic; |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (!bp->vnic_info) |
|
return; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) { |
|
vnic = &bp->vnic_info[i]; |
|
|
|
kfree(vnic->fw_grp_ids); |
|
vnic->fw_grp_ids = NULL; |
|
|
|
kfree(vnic->uc_list); |
|
vnic->uc_list = NULL; |
|
|
|
if (vnic->mc_list) { |
|
dma_free_coherent(&pdev->dev, vnic->mc_list_size, |
|
vnic->mc_list, vnic->mc_list_mapping); |
|
vnic->mc_list = NULL; |
|
} |
|
|
|
if (vnic->rss_table) { |
|
dma_free_coherent(&pdev->dev, vnic->rss_table_size, |
|
vnic->rss_table, |
|
vnic->rss_table_dma_addr); |
|
vnic->rss_table = NULL; |
|
} |
|
|
|
vnic->rss_hash_key = NULL; |
|
vnic->flags = 0; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_vnic_attributes(struct bnxt *bp) |
|
{ |
|
int i, rc = 0, size; |
|
struct bnxt_vnic_info *vnic; |
|
struct pci_dev *pdev = bp->pdev; |
|
int max_rings; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) { |
|
vnic = &bp->vnic_info[i]; |
|
|
|
if (vnic->flags & BNXT_VNIC_UCAST_FLAG) { |
|
int mem_size = (BNXT_MAX_UC_ADDRS - 1) * ETH_ALEN; |
|
|
|
if (mem_size > 0) { |
|
vnic->uc_list = kmalloc(mem_size, GFP_KERNEL); |
|
if (!vnic->uc_list) { |
|
rc = -ENOMEM; |
|
goto out; |
|
} |
|
} |
|
} |
|
|
|
if (vnic->flags & BNXT_VNIC_MCAST_FLAG) { |
|
vnic->mc_list_size = BNXT_MAX_MC_ADDRS * ETH_ALEN; |
|
vnic->mc_list = |
|
dma_alloc_coherent(&pdev->dev, |
|
vnic->mc_list_size, |
|
&vnic->mc_list_mapping, |
|
GFP_KERNEL); |
|
if (!vnic->mc_list) { |
|
rc = -ENOMEM; |
|
goto out; |
|
} |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
goto vnic_skip_grps; |
|
|
|
if (vnic->flags & BNXT_VNIC_RSS_FLAG) |
|
max_rings = bp->rx_nr_rings; |
|
else |
|
max_rings = 1; |
|
|
|
vnic->fw_grp_ids = kcalloc(max_rings, sizeof(u16), GFP_KERNEL); |
|
if (!vnic->fw_grp_ids) { |
|
rc = -ENOMEM; |
|
goto out; |
|
} |
|
vnic_skip_grps: |
|
if ((bp->flags & BNXT_FLAG_NEW_RSS_CAP) && |
|
!(vnic->flags & BNXT_VNIC_RSS_FLAG)) |
|
continue; |
|
|
|
/* Allocate rss table and hash key */ |
|
size = L1_CACHE_ALIGN(HW_HASH_INDEX_SIZE * sizeof(u16)); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
size = L1_CACHE_ALIGN(BNXT_MAX_RSS_TABLE_SIZE_P5); |
|
|
|
vnic->rss_table_size = size + HW_HASH_KEY_SIZE; |
|
vnic->rss_table = dma_alloc_coherent(&pdev->dev, |
|
vnic->rss_table_size, |
|
&vnic->rss_table_dma_addr, |
|
GFP_KERNEL); |
|
if (!vnic->rss_table) { |
|
rc = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
vnic->rss_hash_key = ((void *)vnic->rss_table) + size; |
|
vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr + size; |
|
} |
|
return 0; |
|
|
|
out: |
|
return rc; |
|
} |
|
|
|
static void bnxt_free_hwrm_resources(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (bp->hwrm_cmd_resp_addr) { |
|
dma_free_coherent(&pdev->dev, PAGE_SIZE, bp->hwrm_cmd_resp_addr, |
|
bp->hwrm_cmd_resp_dma_addr); |
|
bp->hwrm_cmd_resp_addr = NULL; |
|
} |
|
|
|
if (bp->hwrm_cmd_kong_resp_addr) { |
|
dma_free_coherent(&pdev->dev, PAGE_SIZE, |
|
bp->hwrm_cmd_kong_resp_addr, |
|
bp->hwrm_cmd_kong_resp_dma_addr); |
|
bp->hwrm_cmd_kong_resp_addr = NULL; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_kong_hwrm_resources(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (bp->hwrm_cmd_kong_resp_addr) |
|
return 0; |
|
|
|
bp->hwrm_cmd_kong_resp_addr = |
|
dma_alloc_coherent(&pdev->dev, PAGE_SIZE, |
|
&bp->hwrm_cmd_kong_resp_dma_addr, |
|
GFP_KERNEL); |
|
if (!bp->hwrm_cmd_kong_resp_addr) |
|
return -ENOMEM; |
|
|
|
return 0; |
|
} |
|
|
|
static int bnxt_alloc_hwrm_resources(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
bp->hwrm_cmd_resp_addr = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, |
|
&bp->hwrm_cmd_resp_dma_addr, |
|
GFP_KERNEL); |
|
if (!bp->hwrm_cmd_resp_addr) |
|
return -ENOMEM; |
|
|
|
return 0; |
|
} |
|
|
|
static void bnxt_free_hwrm_short_cmd_req(struct bnxt *bp) |
|
{ |
|
if (bp->hwrm_short_cmd_req_addr) { |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
dma_free_coherent(&pdev->dev, bp->hwrm_max_ext_req_len, |
|
bp->hwrm_short_cmd_req_addr, |
|
bp->hwrm_short_cmd_req_dma_addr); |
|
bp->hwrm_short_cmd_req_addr = NULL; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
if (bp->hwrm_short_cmd_req_addr) |
|
return 0; |
|
|
|
bp->hwrm_short_cmd_req_addr = |
|
dma_alloc_coherent(&pdev->dev, bp->hwrm_max_ext_req_len, |
|
&bp->hwrm_short_cmd_req_dma_addr, |
|
GFP_KERNEL); |
|
if (!bp->hwrm_short_cmd_req_addr) |
|
return -ENOMEM; |
|
|
|
return 0; |
|
} |
|
|
|
static void bnxt_free_stats_mem(struct bnxt *bp, struct bnxt_stats_mem *stats) |
|
{ |
|
kfree(stats->hw_masks); |
|
stats->hw_masks = NULL; |
|
kfree(stats->sw_stats); |
|
stats->sw_stats = NULL; |
|
if (stats->hw_stats) { |
|
dma_free_coherent(&bp->pdev->dev, stats->len, stats->hw_stats, |
|
stats->hw_stats_map); |
|
stats->hw_stats = NULL; |
|
} |
|
} |
|
|
|
static int bnxt_alloc_stats_mem(struct bnxt *bp, struct bnxt_stats_mem *stats, |
|
bool alloc_masks) |
|
{ |
|
stats->hw_stats = dma_alloc_coherent(&bp->pdev->dev, stats->len, |
|
&stats->hw_stats_map, GFP_KERNEL); |
|
if (!stats->hw_stats) |
|
return -ENOMEM; |
|
|
|
stats->sw_stats = kzalloc(stats->len, GFP_KERNEL); |
|
if (!stats->sw_stats) |
|
goto stats_mem_err; |
|
|
|
if (alloc_masks) { |
|
stats->hw_masks = kzalloc(stats->len, GFP_KERNEL); |
|
if (!stats->hw_masks) |
|
goto stats_mem_err; |
|
} |
|
return 0; |
|
|
|
stats_mem_err: |
|
bnxt_free_stats_mem(bp, stats); |
|
return -ENOMEM; |
|
} |
|
|
|
static void bnxt_fill_masks(u64 *mask_arr, u64 mask, int count) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < count; i++) |
|
mask_arr[i] = mask; |
|
} |
|
|
|
static void bnxt_copy_hw_masks(u64 *mask_arr, __le64 *hw_mask_arr, int count) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < count; i++) |
|
mask_arr[i] = le64_to_cpu(hw_mask_arr[i]); |
|
} |
|
|
|
static int bnxt_hwrm_func_qstat_ext(struct bnxt *bp, |
|
struct bnxt_stats_mem *stats) |
|
{ |
|
struct hwrm_func_qstats_ext_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_func_qstats_ext_input req = {0}; |
|
__le64 *hw_masks; |
|
int rc; |
|
|
|
if (!(bp->fw_cap & BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED) || |
|
!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
return -EOPNOTSUPP; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QSTATS_EXT, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
req.flags = FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto qstat_exit; |
|
|
|
hw_masks = &resp->rx_ucast_pkts; |
|
bnxt_copy_hw_masks(stats->hw_masks, hw_masks, stats->len / 8); |
|
|
|
qstat_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_port_qstats(struct bnxt *bp, u8 flags); |
|
static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp, u8 flags); |
|
|
|
static void bnxt_init_stats(struct bnxt *bp) |
|
{ |
|
struct bnxt_napi *bnapi = bp->bnapi[0]; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_stats_mem *stats; |
|
__le64 *rx_stats, *tx_stats; |
|
int rc, rx_count, tx_count; |
|
u64 *rx_masks, *tx_masks; |
|
u64 mask; |
|
u8 flags; |
|
|
|
cpr = &bnapi->cp_ring; |
|
stats = &cpr->stats; |
|
rc = bnxt_hwrm_func_qstat_ext(bp, stats); |
|
if (rc) { |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
mask = (1ULL << 48) - 1; |
|
else |
|
mask = -1ULL; |
|
bnxt_fill_masks(stats->hw_masks, mask, stats->len / 8); |
|
} |
|
if (bp->flags & BNXT_FLAG_PORT_STATS) { |
|
stats = &bp->port_stats; |
|
rx_stats = stats->hw_stats; |
|
rx_masks = stats->hw_masks; |
|
rx_count = sizeof(struct rx_port_stats) / 8; |
|
tx_stats = rx_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
tx_masks = rx_masks + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
tx_count = sizeof(struct tx_port_stats) / 8; |
|
|
|
flags = PORT_QSTATS_REQ_FLAGS_COUNTER_MASK; |
|
rc = bnxt_hwrm_port_qstats(bp, flags); |
|
if (rc) { |
|
mask = (1ULL << 40) - 1; |
|
|
|
bnxt_fill_masks(rx_masks, mask, rx_count); |
|
bnxt_fill_masks(tx_masks, mask, tx_count); |
|
} else { |
|
bnxt_copy_hw_masks(rx_masks, rx_stats, rx_count); |
|
bnxt_copy_hw_masks(tx_masks, tx_stats, tx_count); |
|
bnxt_hwrm_port_qstats(bp, 0); |
|
} |
|
} |
|
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { |
|
stats = &bp->rx_port_stats_ext; |
|
rx_stats = stats->hw_stats; |
|
rx_masks = stats->hw_masks; |
|
rx_count = sizeof(struct rx_port_stats_ext) / 8; |
|
stats = &bp->tx_port_stats_ext; |
|
tx_stats = stats->hw_stats; |
|
tx_masks = stats->hw_masks; |
|
tx_count = sizeof(struct tx_port_stats_ext) / 8; |
|
|
|
flags = PORT_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; |
|
rc = bnxt_hwrm_port_qstats_ext(bp, flags); |
|
if (rc) { |
|
mask = (1ULL << 40) - 1; |
|
|
|
bnxt_fill_masks(rx_masks, mask, rx_count); |
|
if (tx_stats) |
|
bnxt_fill_masks(tx_masks, mask, tx_count); |
|
} else { |
|
bnxt_copy_hw_masks(rx_masks, rx_stats, rx_count); |
|
if (tx_stats) |
|
bnxt_copy_hw_masks(tx_masks, tx_stats, |
|
tx_count); |
|
bnxt_hwrm_port_qstats_ext(bp, 0); |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_free_port_stats(struct bnxt *bp) |
|
{ |
|
bp->flags &= ~BNXT_FLAG_PORT_STATS; |
|
bp->flags &= ~BNXT_FLAG_PORT_STATS_EXT; |
|
|
|
bnxt_free_stats_mem(bp, &bp->port_stats); |
|
bnxt_free_stats_mem(bp, &bp->rx_port_stats_ext); |
|
bnxt_free_stats_mem(bp, &bp->tx_port_stats_ext); |
|
} |
|
|
|
static void bnxt_free_ring_stats(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
|
|
bnxt_free_stats_mem(bp, &cpr->stats); |
|
} |
|
} |
|
|
|
static int bnxt_alloc_stats(struct bnxt *bp) |
|
{ |
|
u32 size, i; |
|
int rc; |
|
|
|
size = bp->hw_ring_stats_size; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
|
|
cpr->stats.len = size; |
|
rc = bnxt_alloc_stats_mem(bp, &cpr->stats, !i); |
|
if (rc) |
|
return rc; |
|
|
|
cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID; |
|
} |
|
|
|
if (BNXT_VF(bp) || bp->chip_num == CHIP_NUM_58700) |
|
return 0; |
|
|
|
if (bp->port_stats.hw_stats) |
|
goto alloc_ext_stats; |
|
|
|
bp->port_stats.len = BNXT_PORT_STATS_SIZE; |
|
rc = bnxt_alloc_stats_mem(bp, &bp->port_stats, true); |
|
if (rc) |
|
return rc; |
|
|
|
bp->flags |= BNXT_FLAG_PORT_STATS; |
|
|
|
alloc_ext_stats: |
|
/* Display extended statistics only if FW supports it */ |
|
if (bp->hwrm_spec_code < 0x10804 || bp->hwrm_spec_code == 0x10900) |
|
if (!(bp->fw_cap & BNXT_FW_CAP_EXT_STATS_SUPPORTED)) |
|
return 0; |
|
|
|
if (bp->rx_port_stats_ext.hw_stats) |
|
goto alloc_tx_ext_stats; |
|
|
|
bp->rx_port_stats_ext.len = sizeof(struct rx_port_stats_ext); |
|
rc = bnxt_alloc_stats_mem(bp, &bp->rx_port_stats_ext, true); |
|
/* Extended stats are optional */ |
|
if (rc) |
|
return 0; |
|
|
|
alloc_tx_ext_stats: |
|
if (bp->tx_port_stats_ext.hw_stats) |
|
return 0; |
|
|
|
if (bp->hwrm_spec_code >= 0x10902 || |
|
(bp->fw_cap & BNXT_FW_CAP_EXT_STATS_SUPPORTED)) { |
|
bp->tx_port_stats_ext.len = sizeof(struct tx_port_stats_ext); |
|
rc = bnxt_alloc_stats_mem(bp, &bp->tx_port_stats_ext, true); |
|
/* Extended stats are optional */ |
|
if (rc) |
|
return 0; |
|
} |
|
bp->flags |= BNXT_FLAG_PORT_STATS_EXT; |
|
return 0; |
|
} |
|
|
|
static void bnxt_clear_ring_indices(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_rx_ring_info *rxr; |
|
struct bnxt_tx_ring_info *txr; |
|
|
|
if (!bnapi) |
|
continue; |
|
|
|
cpr = &bnapi->cp_ring; |
|
cpr->cp_raw_cons = 0; |
|
|
|
txr = bnapi->tx_ring; |
|
if (txr) { |
|
txr->tx_prod = 0; |
|
txr->tx_cons = 0; |
|
} |
|
|
|
rxr = bnapi->rx_ring; |
|
if (rxr) { |
|
rxr->rx_prod = 0; |
|
rxr->rx_agg_prod = 0; |
|
rxr->rx_sw_agg_prod = 0; |
|
rxr->rx_next_cons = 0; |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_free_ntp_fltrs(struct bnxt *bp, bool irq_reinit) |
|
{ |
|
#ifdef CONFIG_RFS_ACCEL |
|
int i; |
|
|
|
/* Under rtnl_lock and all our NAPIs have been disabled. It's |
|
* safe to delete the hash table. |
|
*/ |
|
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { |
|
struct hlist_head *head; |
|
struct hlist_node *tmp; |
|
struct bnxt_ntuple_filter *fltr; |
|
|
|
head = &bp->ntp_fltr_hash_tbl[i]; |
|
hlist_for_each_entry_safe(fltr, tmp, head, hash) { |
|
hlist_del(&fltr->hash); |
|
kfree(fltr); |
|
} |
|
} |
|
if (irq_reinit) { |
|
kfree(bp->ntp_fltr_bmap); |
|
bp->ntp_fltr_bmap = NULL; |
|
} |
|
bp->ntp_fltr_count = 0; |
|
#endif |
|
} |
|
|
|
static int bnxt_alloc_ntp_fltrs(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_RFS_ACCEL |
|
int i, rc = 0; |
|
|
|
if (!(bp->flags & BNXT_FLAG_RFS)) |
|
return 0; |
|
|
|
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) |
|
INIT_HLIST_HEAD(&bp->ntp_fltr_hash_tbl[i]); |
|
|
|
bp->ntp_fltr_count = 0; |
|
bp->ntp_fltr_bmap = kcalloc(BITS_TO_LONGS(BNXT_NTP_FLTR_MAX_FLTR), |
|
sizeof(long), |
|
GFP_KERNEL); |
|
|
|
if (!bp->ntp_fltr_bmap) |
|
rc = -ENOMEM; |
|
|
|
return rc; |
|
#else |
|
return 0; |
|
#endif |
|
} |
|
|
|
static void bnxt_free_mem(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
bnxt_free_vnic_attributes(bp); |
|
bnxt_free_tx_rings(bp); |
|
bnxt_free_rx_rings(bp); |
|
bnxt_free_cp_rings(bp); |
|
bnxt_free_ntp_fltrs(bp, irq_re_init); |
|
if (irq_re_init) { |
|
bnxt_free_ring_stats(bp); |
|
if (!(bp->fw_cap & BNXT_FW_CAP_PORT_STATS_NO_RESET) || |
|
test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) |
|
bnxt_free_port_stats(bp); |
|
bnxt_free_ring_grps(bp); |
|
bnxt_free_vnics(bp); |
|
kfree(bp->tx_ring_map); |
|
bp->tx_ring_map = NULL; |
|
kfree(bp->tx_ring); |
|
bp->tx_ring = NULL; |
|
kfree(bp->rx_ring); |
|
bp->rx_ring = NULL; |
|
kfree(bp->bnapi); |
|
bp->bnapi = NULL; |
|
} else { |
|
bnxt_clear_ring_indices(bp); |
|
} |
|
} |
|
|
|
static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
int i, j, rc, size, arr_size; |
|
void *bnapi; |
|
|
|
if (irq_re_init) { |
|
/* Allocate bnapi mem pointer array and mem block for |
|
* all queues |
|
*/ |
|
arr_size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi *) * |
|
bp->cp_nr_rings); |
|
size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi)); |
|
bnapi = kzalloc(arr_size + size * bp->cp_nr_rings, GFP_KERNEL); |
|
if (!bnapi) |
|
return -ENOMEM; |
|
|
|
bp->bnapi = bnapi; |
|
bnapi += arr_size; |
|
for (i = 0; i < bp->cp_nr_rings; i++, bnapi += size) { |
|
bp->bnapi[i] = bnapi; |
|
bp->bnapi[i]->index = i; |
|
bp->bnapi[i]->bp = bp; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_cp_ring_info *cpr = |
|
&bp->bnapi[i]->cp_ring; |
|
|
|
cpr->cp_ring_struct.ring_mem.flags = |
|
BNXT_RMEM_RING_PTE_FLAG; |
|
} |
|
} |
|
|
|
bp->rx_ring = kcalloc(bp->rx_nr_rings, |
|
sizeof(struct bnxt_rx_ring_info), |
|
GFP_KERNEL); |
|
if (!bp->rx_ring) |
|
return -ENOMEM; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
rxr->rx_ring_struct.ring_mem.flags = |
|
BNXT_RMEM_RING_PTE_FLAG; |
|
rxr->rx_agg_ring_struct.ring_mem.flags = |
|
BNXT_RMEM_RING_PTE_FLAG; |
|
} |
|
rxr->bnapi = bp->bnapi[i]; |
|
bp->bnapi[i]->rx_ring = &bp->rx_ring[i]; |
|
} |
|
|
|
bp->tx_ring = kcalloc(bp->tx_nr_rings, |
|
sizeof(struct bnxt_tx_ring_info), |
|
GFP_KERNEL); |
|
if (!bp->tx_ring) |
|
return -ENOMEM; |
|
|
|
bp->tx_ring_map = kcalloc(bp->tx_nr_rings, sizeof(u16), |
|
GFP_KERNEL); |
|
|
|
if (!bp->tx_ring_map) |
|
return -ENOMEM; |
|
|
|
if (bp->flags & BNXT_FLAG_SHARED_RINGS) |
|
j = 0; |
|
else |
|
j = bp->rx_nr_rings; |
|
|
|
for (i = 0; i < bp->tx_nr_rings; i++, j++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
txr->tx_ring_struct.ring_mem.flags = |
|
BNXT_RMEM_RING_PTE_FLAG; |
|
txr->bnapi = bp->bnapi[j]; |
|
bp->bnapi[j]->tx_ring = txr; |
|
bp->tx_ring_map[i] = bp->tx_nr_rings_xdp + i; |
|
if (i >= bp->tx_nr_rings_xdp) { |
|
txr->txq_index = i - bp->tx_nr_rings_xdp; |
|
bp->bnapi[j]->tx_int = bnxt_tx_int; |
|
} else { |
|
bp->bnapi[j]->flags |= BNXT_NAPI_FLAG_XDP; |
|
bp->bnapi[j]->tx_int = bnxt_tx_int_xdp; |
|
} |
|
} |
|
|
|
rc = bnxt_alloc_stats(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
bnxt_init_stats(bp); |
|
|
|
rc = bnxt_alloc_ntp_fltrs(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
|
|
rc = bnxt_alloc_vnics(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
} |
|
|
|
bnxt_init_ring_struct(bp); |
|
|
|
rc = bnxt_alloc_rx_rings(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
|
|
rc = bnxt_alloc_tx_rings(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
|
|
rc = bnxt_alloc_cp_rings(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
|
|
bp->vnic_info[0].flags |= BNXT_VNIC_RSS_FLAG | BNXT_VNIC_MCAST_FLAG | |
|
BNXT_VNIC_UCAST_FLAG; |
|
rc = bnxt_alloc_vnic_attributes(bp); |
|
if (rc) |
|
goto alloc_mem_err; |
|
return 0; |
|
|
|
alloc_mem_err: |
|
bnxt_free_mem(bp, true); |
|
return rc; |
|
} |
|
|
|
static void bnxt_disable_int(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; |
|
|
|
if (ring->fw_ring_id != INVALID_HW_RING_ID) |
|
bnxt_db_nq(bp, &cpr->cp_db, cpr->cp_raw_cons); |
|
} |
|
} |
|
|
|
static int bnxt_cp_num_to_irq_num(struct bnxt *bp, int n) |
|
{ |
|
struct bnxt_napi *bnapi = bp->bnapi[n]; |
|
struct bnxt_cp_ring_info *cpr; |
|
|
|
cpr = &bnapi->cp_ring; |
|
return cpr->cp_ring_struct.map_idx; |
|
} |
|
|
|
static void bnxt_disable_int_sync(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
atomic_inc(&bp->intr_sem); |
|
|
|
bnxt_disable_int(bp); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
int map_idx = bnxt_cp_num_to_irq_num(bp, i); |
|
|
|
synchronize_irq(bp->irq_tbl[map_idx].vector); |
|
} |
|
} |
|
|
|
static void bnxt_enable_int(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
atomic_set(&bp->intr_sem, 0); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
|
|
bnxt_db_nq_arm(bp, &cpr->cp_db, cpr->cp_raw_cons); |
|
} |
|
} |
|
|
|
void bnxt_hwrm_cmd_hdr_init(struct bnxt *bp, void *request, u16 req_type, |
|
u16 cmpl_ring, u16 target_id) |
|
{ |
|
struct input *req = request; |
|
|
|
req->req_type = cpu_to_le16(req_type); |
|
req->cmpl_ring = cpu_to_le16(cmpl_ring); |
|
req->target_id = cpu_to_le16(target_id); |
|
if (bnxt_kong_hwrm_message(bp, req)) |
|
req->resp_addr = cpu_to_le64(bp->hwrm_cmd_kong_resp_dma_addr); |
|
else |
|
req->resp_addr = cpu_to_le64(bp->hwrm_cmd_resp_dma_addr); |
|
} |
|
|
|
static int bnxt_hwrm_to_stderr(u32 hwrm_err) |
|
{ |
|
switch (hwrm_err) { |
|
case HWRM_ERR_CODE_SUCCESS: |
|
return 0; |
|
case HWRM_ERR_CODE_RESOURCE_LOCKED: |
|
return -EROFS; |
|
case HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED: |
|
return -EACCES; |
|
case HWRM_ERR_CODE_RESOURCE_ALLOC_ERROR: |
|
return -ENOSPC; |
|
case HWRM_ERR_CODE_INVALID_PARAMS: |
|
case HWRM_ERR_CODE_INVALID_FLAGS: |
|
case HWRM_ERR_CODE_INVALID_ENABLES: |
|
case HWRM_ERR_CODE_UNSUPPORTED_TLV: |
|
case HWRM_ERR_CODE_UNSUPPORTED_OPTION_ERR: |
|
return -EINVAL; |
|
case HWRM_ERR_CODE_NO_BUFFER: |
|
return -ENOMEM; |
|
case HWRM_ERR_CODE_HOT_RESET_PROGRESS: |
|
case HWRM_ERR_CODE_BUSY: |
|
return -EAGAIN; |
|
case HWRM_ERR_CODE_CMD_NOT_SUPPORTED: |
|
return -EOPNOTSUPP; |
|
default: |
|
return -EIO; |
|
} |
|
} |
|
|
|
static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len, |
|
int timeout, bool silent) |
|
{ |
|
int i, intr_process, rc, tmo_count; |
|
struct input *req = msg; |
|
u32 *data = msg; |
|
u8 *valid; |
|
u16 cp_ring_id, len = 0; |
|
struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr; |
|
u16 max_req_len = BNXT_HWRM_MAX_REQ_LEN; |
|
struct hwrm_short_input short_input = {0}; |
|
u32 doorbell_offset = BNXT_GRCPF_REG_CHIMP_COMM_TRIGGER; |
|
u32 bar_offset = BNXT_GRCPF_REG_CHIMP_COMM; |
|
u16 dst = BNXT_HWRM_CHNL_CHIMP; |
|
|
|
if (BNXT_NO_FW_ACCESS(bp) && |
|
le16_to_cpu(req->req_type) != HWRM_FUNC_RESET) |
|
return -EBUSY; |
|
|
|
if (msg_len > BNXT_HWRM_MAX_REQ_LEN) { |
|
if (msg_len > bp->hwrm_max_ext_req_len || |
|
!bp->hwrm_short_cmd_req_addr) |
|
return -EINVAL; |
|
} |
|
|
|
if (bnxt_hwrm_kong_chnl(bp, req)) { |
|
dst = BNXT_HWRM_CHNL_KONG; |
|
bar_offset = BNXT_GRCPF_REG_KONG_COMM; |
|
doorbell_offset = BNXT_GRCPF_REG_KONG_COMM_TRIGGER; |
|
resp = bp->hwrm_cmd_kong_resp_addr; |
|
} |
|
|
|
memset(resp, 0, PAGE_SIZE); |
|
cp_ring_id = le16_to_cpu(req->cmpl_ring); |
|
intr_process = (cp_ring_id == INVALID_HW_RING_ID) ? 0 : 1; |
|
|
|
req->seq_id = cpu_to_le16(bnxt_get_hwrm_seq_id(bp, dst)); |
|
/* currently supports only one outstanding message */ |
|
if (intr_process) |
|
bp->hwrm_intr_seq_id = le16_to_cpu(req->seq_id); |
|
|
|
if ((bp->fw_cap & BNXT_FW_CAP_SHORT_CMD) || |
|
msg_len > BNXT_HWRM_MAX_REQ_LEN) { |
|
void *short_cmd_req = bp->hwrm_short_cmd_req_addr; |
|
u16 max_msg_len; |
|
|
|
/* Set boundary for maximum extended request length for short |
|
* cmd format. If passed up from device use the max supported |
|
* internal req length. |
|
*/ |
|
max_msg_len = bp->hwrm_max_ext_req_len; |
|
|
|
memcpy(short_cmd_req, req, msg_len); |
|
if (msg_len < max_msg_len) |
|
memset(short_cmd_req + msg_len, 0, |
|
max_msg_len - msg_len); |
|
|
|
short_input.req_type = req->req_type; |
|
short_input.signature = |
|
cpu_to_le16(SHORT_REQ_SIGNATURE_SHORT_CMD); |
|
short_input.size = cpu_to_le16(msg_len); |
|
short_input.req_addr = |
|
cpu_to_le64(bp->hwrm_short_cmd_req_dma_addr); |
|
|
|
data = (u32 *)&short_input; |
|
msg_len = sizeof(short_input); |
|
|
|
/* Sync memory write before updating doorbell */ |
|
wmb(); |
|
|
|
max_req_len = BNXT_HWRM_SHORT_REQ_LEN; |
|
} |
|
|
|
/* Write request msg to hwrm channel */ |
|
__iowrite32_copy(bp->bar0 + bar_offset, data, msg_len / 4); |
|
|
|
for (i = msg_len; i < max_req_len; i += 4) |
|
writel(0, bp->bar0 + bar_offset + i); |
|
|
|
/* Ring channel doorbell */ |
|
writel(1, bp->bar0 + doorbell_offset); |
|
|
|
if (!pci_is_enabled(bp->pdev)) |
|
return 0; |
|
|
|
if (!timeout) |
|
timeout = DFLT_HWRM_CMD_TIMEOUT; |
|
/* convert timeout to usec */ |
|
timeout *= 1000; |
|
|
|
i = 0; |
|
/* Short timeout for the first few iterations: |
|
* number of loops = number of loops for short timeout + |
|
* number of loops for standard timeout. |
|
*/ |
|
tmo_count = HWRM_SHORT_TIMEOUT_COUNTER; |
|
timeout = timeout - HWRM_SHORT_MIN_TIMEOUT * HWRM_SHORT_TIMEOUT_COUNTER; |
|
tmo_count += DIV_ROUND_UP(timeout, HWRM_MIN_TIMEOUT); |
|
|
|
if (intr_process) { |
|
u16 seq_id = bp->hwrm_intr_seq_id; |
|
|
|
/* Wait until hwrm response cmpl interrupt is processed */ |
|
while (bp->hwrm_intr_seq_id != (u16)~seq_id && |
|
i++ < tmo_count) { |
|
/* Abort the wait for completion if the FW health |
|
* check has failed. |
|
*/ |
|
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) |
|
return -EBUSY; |
|
/* on first few passes, just barely sleep */ |
|
if (i < HWRM_SHORT_TIMEOUT_COUNTER) |
|
usleep_range(HWRM_SHORT_MIN_TIMEOUT, |
|
HWRM_SHORT_MAX_TIMEOUT); |
|
else |
|
usleep_range(HWRM_MIN_TIMEOUT, |
|
HWRM_MAX_TIMEOUT); |
|
} |
|
|
|
if (bp->hwrm_intr_seq_id != (u16)~seq_id) { |
|
if (!silent) |
|
netdev_err(bp->dev, "Resp cmpl intr err msg: 0x%x\n", |
|
le16_to_cpu(req->req_type)); |
|
return -EBUSY; |
|
} |
|
len = le16_to_cpu(resp->resp_len); |
|
valid = ((u8 *)resp) + len - 1; |
|
} else { |
|
int j; |
|
|
|
/* Check if response len is updated */ |
|
for (i = 0; i < tmo_count; i++) { |
|
/* Abort the wait for completion if the FW health |
|
* check has failed. |
|
*/ |
|
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) |
|
return -EBUSY; |
|
len = le16_to_cpu(resp->resp_len); |
|
if (len) |
|
break; |
|
/* on first few passes, just barely sleep */ |
|
if (i < HWRM_SHORT_TIMEOUT_COUNTER) |
|
usleep_range(HWRM_SHORT_MIN_TIMEOUT, |
|
HWRM_SHORT_MAX_TIMEOUT); |
|
else |
|
usleep_range(HWRM_MIN_TIMEOUT, |
|
HWRM_MAX_TIMEOUT); |
|
} |
|
|
|
if (i >= tmo_count) { |
|
if (!silent) |
|
netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d\n", |
|
HWRM_TOTAL_TIMEOUT(i), |
|
le16_to_cpu(req->req_type), |
|
le16_to_cpu(req->seq_id), len); |
|
return -EBUSY; |
|
} |
|
|
|
/* Last byte of resp contains valid bit */ |
|
valid = ((u8 *)resp) + len - 1; |
|
for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) { |
|
/* make sure we read from updated DMA memory */ |
|
dma_rmb(); |
|
if (*valid) |
|
break; |
|
usleep_range(1, 5); |
|
} |
|
|
|
if (j >= HWRM_VALID_BIT_DELAY_USEC) { |
|
if (!silent) |
|
netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d v:%d\n", |
|
HWRM_TOTAL_TIMEOUT(i), |
|
le16_to_cpu(req->req_type), |
|
le16_to_cpu(req->seq_id), len, |
|
*valid); |
|
return -EBUSY; |
|
} |
|
} |
|
|
|
/* Zero valid bit for compatibility. Valid bit in an older spec |
|
* may become a new field in a newer spec. We must make sure that |
|
* a new field not implemented by old spec will read zero. |
|
*/ |
|
*valid = 0; |
|
rc = le16_to_cpu(resp->error_code); |
|
if (rc && !silent) |
|
netdev_err(bp->dev, "hwrm req_type 0x%x seq id 0x%x error 0x%x\n", |
|
le16_to_cpu(resp->req_type), |
|
le16_to_cpu(resp->seq_id), rc); |
|
return bnxt_hwrm_to_stderr(rc); |
|
} |
|
|
|
int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout) |
|
{ |
|
return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, false); |
|
} |
|
|
|
int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len, |
|
int timeout) |
|
{ |
|
return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true); |
|
} |
|
|
|
int hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout) |
|
{ |
|
int rc; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, msg, msg_len, timeout); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
int hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len, |
|
int timeout) |
|
{ |
|
int rc; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp, unsigned long *bmap, int bmap_size, |
|
bool async_only) |
|
{ |
|
struct hwrm_func_drv_rgtr_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_func_drv_rgtr_input req = {0}; |
|
DECLARE_BITMAP(async_events_bmap, 256); |
|
u32 *events = (u32 *)async_events_bmap; |
|
u32 flags; |
|
int rc, i; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1); |
|
|
|
req.enables = |
|
cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_OS_TYPE | |
|
FUNC_DRV_RGTR_REQ_ENABLES_VER | |
|
FUNC_DRV_RGTR_REQ_ENABLES_ASYNC_EVENT_FWD); |
|
|
|
req.os_type = cpu_to_le16(FUNC_DRV_RGTR_REQ_OS_TYPE_LINUX); |
|
flags = FUNC_DRV_RGTR_REQ_FLAGS_16BIT_VER_MODE; |
|
if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET) |
|
flags |= FUNC_DRV_RGTR_REQ_FLAGS_HOT_RESET_SUPPORT; |
|
if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) |
|
flags |= FUNC_DRV_RGTR_REQ_FLAGS_ERROR_RECOVERY_SUPPORT | |
|
FUNC_DRV_RGTR_REQ_FLAGS_MASTER_SUPPORT; |
|
req.flags = cpu_to_le32(flags); |
|
req.ver_maj_8b = DRV_VER_MAJ; |
|
req.ver_min_8b = DRV_VER_MIN; |
|
req.ver_upd_8b = DRV_VER_UPD; |
|
req.ver_maj = cpu_to_le16(DRV_VER_MAJ); |
|
req.ver_min = cpu_to_le16(DRV_VER_MIN); |
|
req.ver_upd = cpu_to_le16(DRV_VER_UPD); |
|
|
|
if (BNXT_PF(bp)) { |
|
u32 data[8]; |
|
int i; |
|
|
|
memset(data, 0, sizeof(data)); |
|
for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++) { |
|
u16 cmd = bnxt_vf_req_snif[i]; |
|
unsigned int bit, idx; |
|
|
|
idx = cmd / 32; |
|
bit = cmd % 32; |
|
data[idx] |= 1 << bit; |
|
} |
|
|
|
for (i = 0; i < 8; i++) |
|
req.vf_req_fwd[i] = cpu_to_le32(data[i]); |
|
|
|
req.enables |= |
|
cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD); |
|
} |
|
|
|
if (bp->fw_cap & BNXT_FW_CAP_OVS_64BIT_HANDLE) |
|
req.flags |= cpu_to_le32( |
|
FUNC_DRV_RGTR_REQ_FLAGS_FLOW_HANDLE_64BIT_MODE); |
|
|
|
memset(async_events_bmap, 0, sizeof(async_events_bmap)); |
|
for (i = 0; i < ARRAY_SIZE(bnxt_async_events_arr); i++) { |
|
u16 event_id = bnxt_async_events_arr[i]; |
|
|
|
if (event_id == ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY && |
|
!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) |
|
continue; |
|
__set_bit(bnxt_async_events_arr[i], async_events_bmap); |
|
} |
|
if (bmap && bmap_size) { |
|
for (i = 0; i < bmap_size; i++) { |
|
if (test_bit(i, bmap)) |
|
__set_bit(i, async_events_bmap); |
|
} |
|
} |
|
for (i = 0; i < 8; i++) |
|
req.async_event_fwd[i] |= cpu_to_le32(events[i]); |
|
|
|
if (async_only) |
|
req.enables = |
|
cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_ASYNC_EVENT_FWD); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
set_bit(BNXT_STATE_DRV_REGISTERED, &bp->state); |
|
if (resp->flags & |
|
cpu_to_le32(FUNC_DRV_RGTR_RESP_FLAGS_IF_CHANGE_SUPPORTED)) |
|
bp->fw_cap |= BNXT_FW_CAP_IF_CHANGE; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp) |
|
{ |
|
struct hwrm_func_drv_unrgtr_input req = {0}; |
|
|
|
if (!test_and_clear_bit(BNXT_STATE_DRV_REGISTERED, &bp->state)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_UNRGTR, -1, -1); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, u8 tunnel_type) |
|
{ |
|
u32 rc = 0; |
|
struct hwrm_tunnel_dst_port_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_FREE, -1, -1); |
|
req.tunnel_type = tunnel_type; |
|
|
|
switch (tunnel_type) { |
|
case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN: |
|
req.tunnel_dst_port_id = cpu_to_le16(bp->vxlan_fw_dst_port_id); |
|
bp->vxlan_fw_dst_port_id = INVALID_HW_RING_ID; |
|
break; |
|
case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE: |
|
req.tunnel_dst_port_id = cpu_to_le16(bp->nge_fw_dst_port_id); |
|
bp->nge_fw_dst_port_id = INVALID_HW_RING_ID; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
netdev_err(bp->dev, "hwrm_tunnel_dst_port_free failed. rc:%d\n", |
|
rc); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, __be16 port, |
|
u8 tunnel_type) |
|
{ |
|
u32 rc = 0; |
|
struct hwrm_tunnel_dst_port_alloc_input req = {0}; |
|
struct hwrm_tunnel_dst_port_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_ALLOC, -1, -1); |
|
|
|
req.tunnel_type = tunnel_type; |
|
req.tunnel_dst_port_val = port; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm_tunnel_dst_port_alloc failed. rc:%d\n", |
|
rc); |
|
goto err_out; |
|
} |
|
|
|
switch (tunnel_type) { |
|
case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN: |
|
bp->vxlan_fw_dst_port_id = |
|
le16_to_cpu(resp->tunnel_dst_port_id); |
|
break; |
|
case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE: |
|
bp->nge_fw_dst_port_id = le16_to_cpu(resp->tunnel_dst_port_id); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
err_out: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
struct hwrm_cfa_l2_set_rx_mask_input req = {0}; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_SET_RX_MASK, -1, -1); |
|
req.vnic_id = cpu_to_le32(vnic->fw_vnic_id); |
|
|
|
req.num_mc_entries = cpu_to_le32(vnic->mc_list_count); |
|
req.mc_tbl_addr = cpu_to_le64(vnic->mc_list_mapping); |
|
req.mask = cpu_to_le32(vnic->rx_mask); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
static int bnxt_hwrm_cfa_ntuple_filter_free(struct bnxt *bp, |
|
struct bnxt_ntuple_filter *fltr) |
|
{ |
|
struct hwrm_cfa_ntuple_filter_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_FREE, -1, -1); |
|
req.ntuple_filter_id = fltr->filter_id; |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
#define BNXT_NTP_FLTR_FLAGS \ |
|
(CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_L2_FILTER_ID | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_ETHERTYPE | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_MACADDR | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IPADDR_TYPE | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR_MASK | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR_MASK | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IP_PROTOCOL | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT_MASK | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT_MASK | \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_ID) |
|
|
|
#define BNXT_NTP_TUNNEL_FLTR_FLAG \ |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_TUNNEL_TYPE |
|
|
|
static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp, |
|
struct bnxt_ntuple_filter *fltr) |
|
{ |
|
struct hwrm_cfa_ntuple_filter_alloc_input req = {0}; |
|
struct hwrm_cfa_ntuple_filter_alloc_output *resp; |
|
struct flow_keys *keys = &fltr->fkeys; |
|
struct bnxt_vnic_info *vnic; |
|
u32 flags = 0; |
|
int rc = 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_ALLOC, -1, -1); |
|
req.l2_filter_id = bp->vnic_info[0].fw_l2_filter_id[fltr->l2_fltr_idx]; |
|
|
|
if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2) { |
|
flags = CFA_NTUPLE_FILTER_ALLOC_REQ_FLAGS_DEST_RFS_RING_IDX; |
|
req.dst_id = cpu_to_le16(fltr->rxq); |
|
} else { |
|
vnic = &bp->vnic_info[fltr->rxq + 1]; |
|
req.dst_id = cpu_to_le16(vnic->fw_vnic_id); |
|
} |
|
req.flags = cpu_to_le32(flags); |
|
req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS); |
|
|
|
req.ethertype = htons(ETH_P_IP); |
|
memcpy(req.src_macaddr, fltr->src_mac_addr, ETH_ALEN); |
|
req.ip_addr_type = CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV4; |
|
req.ip_protocol = keys->basic.ip_proto; |
|
|
|
if (keys->basic.n_proto == htons(ETH_P_IPV6)) { |
|
int i; |
|
|
|
req.ethertype = htons(ETH_P_IPV6); |
|
req.ip_addr_type = |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV6; |
|
*(struct in6_addr *)&req.src_ipaddr[0] = |
|
keys->addrs.v6addrs.src; |
|
*(struct in6_addr *)&req.dst_ipaddr[0] = |
|
keys->addrs.v6addrs.dst; |
|
for (i = 0; i < 4; i++) { |
|
req.src_ipaddr_mask[i] = cpu_to_be32(0xffffffff); |
|
req.dst_ipaddr_mask[i] = cpu_to_be32(0xffffffff); |
|
} |
|
} else { |
|
req.src_ipaddr[0] = keys->addrs.v4addrs.src; |
|
req.src_ipaddr_mask[0] = cpu_to_be32(0xffffffff); |
|
req.dst_ipaddr[0] = keys->addrs.v4addrs.dst; |
|
req.dst_ipaddr_mask[0] = cpu_to_be32(0xffffffff); |
|
} |
|
if (keys->control.flags & FLOW_DIS_ENCAPSULATION) { |
|
req.enables |= cpu_to_le32(BNXT_NTP_TUNNEL_FLTR_FLAG); |
|
req.tunnel_type = |
|
CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_ANYTUNNEL; |
|
} |
|
|
|
req.src_port = keys->ports.src; |
|
req.src_port_mask = cpu_to_be16(0xffff); |
|
req.dst_port = keys->ports.dst; |
|
req.dst_port_mask = cpu_to_be16(0xffff); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
resp = bnxt_get_hwrm_resp_addr(bp, &req); |
|
fltr->filter_id = resp->ntuple_filter_id; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
#endif |
|
|
|
static int bnxt_hwrm_set_vnic_filter(struct bnxt *bp, u16 vnic_id, u16 idx, |
|
u8 *mac_addr) |
|
{ |
|
u32 rc = 0; |
|
struct hwrm_cfa_l2_filter_alloc_input req = {0}; |
|
struct hwrm_cfa_l2_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_ALLOC, -1, -1); |
|
req.flags = cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_PATH_RX); |
|
if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
req.flags |= |
|
cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_OUTERMOST); |
|
req.dst_id = cpu_to_le16(bp->vnic_info[vnic_id].fw_vnic_id); |
|
req.enables = |
|
cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR | |
|
CFA_L2_FILTER_ALLOC_REQ_ENABLES_DST_ID | |
|
CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR_MASK); |
|
memcpy(req.l2_addr, mac_addr, ETH_ALEN); |
|
req.l2_addr_mask[0] = 0xff; |
|
req.l2_addr_mask[1] = 0xff; |
|
req.l2_addr_mask[2] = 0xff; |
|
req.l2_addr_mask[3] = 0xff; |
|
req.l2_addr_mask[4] = 0xff; |
|
req.l2_addr_mask[5] = 0xff; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
bp->vnic_info[vnic_id].fw_l2_filter_id[idx] = |
|
resp->l2_filter_id; |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_clear_vnic_filter(struct bnxt *bp) |
|
{ |
|
u16 i, j, num_of_vnics = 1; /* only vnic 0 supported */ |
|
int rc = 0; |
|
|
|
/* Any associated ntuple filters will also be cleared by firmware. */ |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < num_of_vnics; i++) { |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; |
|
|
|
for (j = 0; j < vnic->uc_filter_count; j++) { |
|
struct hwrm_cfa_l2_filter_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, |
|
HWRM_CFA_L2_FILTER_FREE, -1, -1); |
|
|
|
req.l2_filter_id = vnic->fw_l2_filter_id[j]; |
|
|
|
rc = _hwrm_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
vnic->uc_filter_count = 0; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
u16 max_aggs = VNIC_TPA_CFG_REQ_MAX_AGGS_MAX; |
|
struct hwrm_vnic_tpa_cfg_input req = {0}; |
|
|
|
if (vnic->fw_vnic_id == INVALID_HW_RING_ID) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1); |
|
|
|
if (tpa_flags) { |
|
u16 mss = bp->dev->mtu - 40; |
|
u32 nsegs, n, segs = 0, flags; |
|
|
|
flags = VNIC_TPA_CFG_REQ_FLAGS_TPA | |
|
VNIC_TPA_CFG_REQ_FLAGS_ENCAP_TPA | |
|
VNIC_TPA_CFG_REQ_FLAGS_RSC_WND_UPDATE | |
|
VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_ECN | |
|
VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_SAME_GRE_SEQ; |
|
if (tpa_flags & BNXT_FLAG_GRO) |
|
flags |= VNIC_TPA_CFG_REQ_FLAGS_GRO; |
|
|
|
req.flags = cpu_to_le32(flags); |
|
|
|
req.enables = |
|
cpu_to_le32(VNIC_TPA_CFG_REQ_ENABLES_MAX_AGG_SEGS | |
|
VNIC_TPA_CFG_REQ_ENABLES_MAX_AGGS | |
|
VNIC_TPA_CFG_REQ_ENABLES_MIN_AGG_LEN); |
|
|
|
/* Number of segs are log2 units, and first packet is not |
|
* included as part of this units. |
|
*/ |
|
if (mss <= BNXT_RX_PAGE_SIZE) { |
|
n = BNXT_RX_PAGE_SIZE / mss; |
|
nsegs = (MAX_SKB_FRAGS - 1) * n; |
|
} else { |
|
n = mss / BNXT_RX_PAGE_SIZE; |
|
if (mss & (BNXT_RX_PAGE_SIZE - 1)) |
|
n++; |
|
nsegs = (MAX_SKB_FRAGS - n) / n; |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
segs = MAX_TPA_SEGS_P5; |
|
max_aggs = bp->max_tpa; |
|
} else { |
|
segs = ilog2(nsegs); |
|
} |
|
req.max_agg_segs = cpu_to_le16(segs); |
|
req.max_aggs = cpu_to_le16(max_aggs); |
|
|
|
req.min_agg_len = cpu_to_le32(512); |
|
} |
|
req.vnic_id = cpu_to_le16(vnic->fw_vnic_id); |
|
|
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static u16 bnxt_cp_ring_from_grp(struct bnxt *bp, struct bnxt_ring_struct *ring) |
|
{ |
|
struct bnxt_ring_grp_info *grp_info; |
|
|
|
grp_info = &bp->grp_info[ring->grp_idx]; |
|
return grp_info->cp_fw_ring_id; |
|
} |
|
|
|
static u16 bnxt_cp_ring_for_rx(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_napi *bnapi = rxr->bnapi; |
|
struct bnxt_cp_ring_info *cpr; |
|
|
|
cpr = bnapi->cp_ring.cp_ring_arr[BNXT_RX_HDL]; |
|
return cpr->cp_ring_struct.fw_ring_id; |
|
} else { |
|
return bnxt_cp_ring_from_grp(bp, &rxr->rx_ring_struct); |
|
} |
|
} |
|
|
|
static u16 bnxt_cp_ring_for_tx(struct bnxt *bp, struct bnxt_tx_ring_info *txr) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_napi *bnapi = txr->bnapi; |
|
struct bnxt_cp_ring_info *cpr; |
|
|
|
cpr = bnapi->cp_ring.cp_ring_arr[BNXT_TX_HDL]; |
|
return cpr->cp_ring_struct.fw_ring_id; |
|
} else { |
|
return bnxt_cp_ring_from_grp(bp, &txr->tx_ring_struct); |
|
} |
|
} |
|
|
|
static int bnxt_alloc_rss_indir_tbl(struct bnxt *bp) |
|
{ |
|
int entries; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
entries = BNXT_MAX_RSS_TABLE_ENTRIES_P5; |
|
else |
|
entries = HW_HASH_INDEX_SIZE; |
|
|
|
bp->rss_indir_tbl_entries = entries; |
|
bp->rss_indir_tbl = kmalloc_array(entries, sizeof(*bp->rss_indir_tbl), |
|
GFP_KERNEL); |
|
if (!bp->rss_indir_tbl) |
|
return -ENOMEM; |
|
return 0; |
|
} |
|
|
|
static void bnxt_set_dflt_rss_indir_tbl(struct bnxt *bp) |
|
{ |
|
u16 max_rings, max_entries, pad, i; |
|
|
|
if (!bp->rx_nr_rings) |
|
return; |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
max_rings = bp->rx_nr_rings - 1; |
|
else |
|
max_rings = bp->rx_nr_rings; |
|
|
|
max_entries = bnxt_get_rxfh_indir_size(bp->dev); |
|
|
|
for (i = 0; i < max_entries; i++) |
|
bp->rss_indir_tbl[i] = ethtool_rxfh_indir_default(i, max_rings); |
|
|
|
pad = bp->rss_indir_tbl_entries - max_entries; |
|
if (pad) |
|
memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16)); |
|
} |
|
|
|
static u16 bnxt_get_max_rss_ring(struct bnxt *bp) |
|
{ |
|
u16 i, tbl_size, max_ring = 0; |
|
|
|
if (!bp->rss_indir_tbl) |
|
return 0; |
|
|
|
tbl_size = bnxt_get_rxfh_indir_size(bp->dev); |
|
for (i = 0; i < tbl_size; i++) |
|
max_ring = max(max_ring, bp->rss_indir_tbl[i]); |
|
return max_ring; |
|
} |
|
|
|
int bnxt_get_nr_rss_ctxs(struct bnxt *bp, int rx_rings) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return DIV_ROUND_UP(rx_rings, BNXT_RSS_TABLE_ENTRIES_P5); |
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
return 2; |
|
return 1; |
|
} |
|
|
|
static void __bnxt_fill_hw_rss_tbl(struct bnxt *bp, struct bnxt_vnic_info *vnic) |
|
{ |
|
bool no_rss = !(vnic->flags & BNXT_VNIC_RSS_FLAG); |
|
u16 i, j; |
|
|
|
/* Fill the RSS indirection table with ring group ids */ |
|
for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) { |
|
if (!no_rss) |
|
j = bp->rss_indir_tbl[i]; |
|
vnic->rss_table[i] = cpu_to_le16(vnic->fw_grp_ids[j]); |
|
} |
|
} |
|
|
|
static void __bnxt_fill_hw_rss_tbl_p5(struct bnxt *bp, |
|
struct bnxt_vnic_info *vnic) |
|
{ |
|
__le16 *ring_tbl = vnic->rss_table; |
|
struct bnxt_rx_ring_info *rxr; |
|
u16 tbl_size, i; |
|
|
|
tbl_size = bnxt_get_rxfh_indir_size(bp->dev); |
|
|
|
for (i = 0; i < tbl_size; i++) { |
|
u16 ring_id, j; |
|
|
|
j = bp->rss_indir_tbl[i]; |
|
rxr = &bp->rx_ring[j]; |
|
|
|
ring_id = rxr->rx_ring_struct.fw_ring_id; |
|
*ring_tbl++ = cpu_to_le16(ring_id); |
|
ring_id = bnxt_cp_ring_for_rx(bp, rxr); |
|
*ring_tbl++ = cpu_to_le16(ring_id); |
|
} |
|
} |
|
|
|
static void bnxt_fill_hw_rss_tbl(struct bnxt *bp, struct bnxt_vnic_info *vnic) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
__bnxt_fill_hw_rss_tbl_p5(bp, vnic); |
|
else |
|
__bnxt_fill_hw_rss_tbl(bp, vnic); |
|
} |
|
|
|
static int bnxt_hwrm_vnic_set_rss(struct bnxt *bp, u16 vnic_id, bool set_rss) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
struct hwrm_vnic_rss_cfg_input req = {0}; |
|
|
|
if ((bp->flags & BNXT_FLAG_CHIP_P5) || |
|
vnic->fw_rss_cos_lb_ctx[0] == INVALID_HW_RING_ID) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_CFG, -1, -1); |
|
if (set_rss) { |
|
bnxt_fill_hw_rss_tbl(bp, vnic); |
|
req.hash_type = cpu_to_le32(bp->rss_hash_cfg); |
|
req.hash_mode_flags = VNIC_RSS_CFG_REQ_HASH_MODE_FLAGS_DEFAULT; |
|
req.ring_grp_tbl_addr = cpu_to_le64(vnic->rss_table_dma_addr); |
|
req.hash_key_tbl_addr = |
|
cpu_to_le64(vnic->rss_hash_key_dma_addr); |
|
} |
|
req.rss_ctx_idx = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_vnic_set_rss_p5(struct bnxt *bp, u16 vnic_id, bool set_rss) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
struct hwrm_vnic_rss_cfg_input req = {0}; |
|
dma_addr_t ring_tbl_map; |
|
u32 i, nr_ctxs; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_CFG, -1, -1); |
|
req.vnic_id = cpu_to_le16(vnic->fw_vnic_id); |
|
if (!set_rss) { |
|
hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
return 0; |
|
} |
|
bnxt_fill_hw_rss_tbl(bp, vnic); |
|
req.hash_type = cpu_to_le32(bp->rss_hash_cfg); |
|
req.hash_mode_flags = VNIC_RSS_CFG_REQ_HASH_MODE_FLAGS_DEFAULT; |
|
req.hash_key_tbl_addr = cpu_to_le64(vnic->rss_hash_key_dma_addr); |
|
ring_tbl_map = vnic->rss_table_dma_addr; |
|
nr_ctxs = bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings); |
|
for (i = 0; i < nr_ctxs; ring_tbl_map += BNXT_RSS_TABLE_SIZE_P5, i++) { |
|
int rc; |
|
|
|
req.ring_grp_tbl_addr = cpu_to_le64(ring_tbl_map); |
|
req.ring_table_pair_index = i; |
|
req.rss_ctx_idx = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[i]); |
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
return rc; |
|
} |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_vnic_set_hds(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
struct hwrm_vnic_plcmodes_cfg_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_PLCMODES_CFG, -1, -1); |
|
req.flags = cpu_to_le32(VNIC_PLCMODES_CFG_REQ_FLAGS_JUMBO_PLACEMENT | |
|
VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV4 | |
|
VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV6); |
|
req.enables = |
|
cpu_to_le32(VNIC_PLCMODES_CFG_REQ_ENABLES_JUMBO_THRESH_VALID | |
|
VNIC_PLCMODES_CFG_REQ_ENABLES_HDS_THRESHOLD_VALID); |
|
/* thresholds not implemented in firmware yet */ |
|
req.jumbo_thresh = cpu_to_le16(bp->rx_copy_thresh); |
|
req.hds_threshold = cpu_to_le16(bp->rx_copy_thresh); |
|
req.vnic_id = cpu_to_le32(vnic->fw_vnic_id); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static void bnxt_hwrm_vnic_ctx_free_one(struct bnxt *bp, u16 vnic_id, |
|
u16 ctx_idx) |
|
{ |
|
struct hwrm_vnic_rss_cos_lb_ctx_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_FREE, -1, -1); |
|
req.rss_cos_lb_ctx_id = |
|
cpu_to_le16(bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx]); |
|
|
|
hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] = INVALID_HW_RING_ID; |
|
} |
|
|
|
static void bnxt_hwrm_vnic_ctx_free(struct bnxt *bp) |
|
{ |
|
int i, j; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) { |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; |
|
|
|
for (j = 0; j < BNXT_MAX_CTX_PER_VNIC; j++) { |
|
if (vnic->fw_rss_cos_lb_ctx[j] != INVALID_HW_RING_ID) |
|
bnxt_hwrm_vnic_ctx_free_one(bp, i, j); |
|
} |
|
} |
|
bp->rsscos_nr_ctxs = 0; |
|
} |
|
|
|
static int bnxt_hwrm_vnic_ctx_alloc(struct bnxt *bp, u16 vnic_id, u16 ctx_idx) |
|
{ |
|
int rc; |
|
struct hwrm_vnic_rss_cos_lb_ctx_alloc_input req = {0}; |
|
struct hwrm_vnic_rss_cos_lb_ctx_alloc_output *resp = |
|
bp->hwrm_cmd_resp_addr; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_ALLOC, -1, |
|
-1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] = |
|
le16_to_cpu(resp->rss_cos_lb_ctx_id); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
return rc; |
|
} |
|
|
|
static u32 bnxt_get_roce_vnic_mode(struct bnxt *bp) |
|
{ |
|
if (bp->flags & BNXT_FLAG_ROCE_MIRROR_CAP) |
|
return VNIC_CFG_REQ_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_MODE; |
|
return VNIC_CFG_REQ_FLAGS_ROCE_DUAL_VNIC_MODE; |
|
} |
|
|
|
int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
unsigned int ring = 0, grp_idx; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
struct hwrm_vnic_cfg_input req = {0}; |
|
u16 def_vlan = 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_CFG, -1, -1); |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0]; |
|
|
|
req.default_rx_ring_id = |
|
cpu_to_le16(rxr->rx_ring_struct.fw_ring_id); |
|
req.default_cmpl_ring_id = |
|
cpu_to_le16(bnxt_cp_ring_for_rx(bp, rxr)); |
|
req.enables = |
|
cpu_to_le32(VNIC_CFG_REQ_ENABLES_DEFAULT_RX_RING_ID | |
|
VNIC_CFG_REQ_ENABLES_DEFAULT_CMPL_RING_ID); |
|
goto vnic_mru; |
|
} |
|
req.enables = cpu_to_le32(VNIC_CFG_REQ_ENABLES_DFLT_RING_GRP); |
|
/* Only RSS support for now TBD: COS & LB */ |
|
if (vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID) { |
|
req.rss_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]); |
|
req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE | |
|
VNIC_CFG_REQ_ENABLES_MRU); |
|
} else if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG) { |
|
req.rss_rule = |
|
cpu_to_le16(bp->vnic_info[0].fw_rss_cos_lb_ctx[0]); |
|
req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE | |
|
VNIC_CFG_REQ_ENABLES_MRU); |
|
req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_RSS_DFLT_CR_MODE); |
|
} else { |
|
req.rss_rule = cpu_to_le16(0xffff); |
|
} |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp) && |
|
(vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID)) { |
|
req.cos_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[1]); |
|
req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_COS_RULE); |
|
} else { |
|
req.cos_rule = cpu_to_le16(0xffff); |
|
} |
|
|
|
if (vnic->flags & BNXT_VNIC_RSS_FLAG) |
|
ring = 0; |
|
else if (vnic->flags & BNXT_VNIC_RFS_FLAG) |
|
ring = vnic_id - 1; |
|
else if ((vnic_id == 1) && BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
ring = bp->rx_nr_rings - 1; |
|
|
|
grp_idx = bp->rx_ring[ring].bnapi->index; |
|
req.dflt_ring_grp = cpu_to_le16(bp->grp_info[grp_idx].fw_grp_id); |
|
req.lb_rule = cpu_to_le16(0xffff); |
|
vnic_mru: |
|
req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + VLAN_HLEN); |
|
|
|
req.vnic_id = cpu_to_le16(vnic->fw_vnic_id); |
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (BNXT_VF(bp)) |
|
def_vlan = bp->vf.vlan; |
|
#endif |
|
if ((bp->flags & BNXT_FLAG_STRIP_VLAN) || def_vlan) |
|
req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_VLAN_STRIP_MODE); |
|
if (!vnic_id && bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP)) |
|
req.flags |= cpu_to_le32(bnxt_get_roce_vnic_mode(bp)); |
|
|
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static void bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) { |
|
struct hwrm_vnic_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_FREE, -1, -1); |
|
req.vnic_id = |
|
cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id); |
|
|
|
hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID; |
|
} |
|
} |
|
|
|
static void bnxt_hwrm_vnic_free(struct bnxt *bp) |
|
{ |
|
u16 i; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) |
|
bnxt_hwrm_vnic_free_one(bp, i); |
|
} |
|
|
|
static int bnxt_hwrm_vnic_alloc(struct bnxt *bp, u16 vnic_id, |
|
unsigned int start_rx_ring_idx, |
|
unsigned int nr_rings) |
|
{ |
|
int rc = 0; |
|
unsigned int i, j, grp_idx, end_idx = start_rx_ring_idx + nr_rings; |
|
struct hwrm_vnic_alloc_input req = {0}; |
|
struct hwrm_vnic_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
goto vnic_no_ring_grps; |
|
|
|
/* map ring groups to this vnic */ |
|
for (i = start_rx_ring_idx, j = 0; i < end_idx; i++, j++) { |
|
grp_idx = bp->rx_ring[i].bnapi->index; |
|
if (bp->grp_info[grp_idx].fw_grp_id == INVALID_HW_RING_ID) { |
|
netdev_err(bp->dev, "Not enough ring groups avail:%x req:%x\n", |
|
j, nr_rings); |
|
break; |
|
} |
|
vnic->fw_grp_ids[j] = bp->grp_info[grp_idx].fw_grp_id; |
|
} |
|
|
|
vnic_no_ring_grps: |
|
for (i = 0; i < BNXT_MAX_CTX_PER_VNIC; i++) |
|
vnic->fw_rss_cos_lb_ctx[i] = INVALID_HW_RING_ID; |
|
if (vnic_id == 0) |
|
req.flags = cpu_to_le32(VNIC_ALLOC_REQ_FLAGS_DEFAULT); |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_ALLOC, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
vnic->fw_vnic_id = le32_to_cpu(resp->vnic_id); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp) |
|
{ |
|
struct hwrm_vnic_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_vnic_qcaps_input req = {0}; |
|
int rc; |
|
|
|
bp->hw_ring_stats_size = sizeof(struct ctx_hw_stats); |
|
bp->flags &= ~(BNXT_FLAG_NEW_RSS_CAP | BNXT_FLAG_ROCE_MIRROR_CAP); |
|
if (bp->hwrm_spec_code < 0x10600) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_QCAPS, -1, -1); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
u32 flags = le32_to_cpu(resp->flags); |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5) && |
|
(flags & VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP)) |
|
bp->flags |= BNXT_FLAG_NEW_RSS_CAP; |
|
if (flags & |
|
VNIC_QCAPS_RESP_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_CAP) |
|
bp->flags |= BNXT_FLAG_ROCE_MIRROR_CAP; |
|
|
|
/* Older P5 fw before EXT_HW_STATS support did not set |
|
* VLAN_STRIP_CAP properly. |
|
*/ |
|
if ((flags & VNIC_QCAPS_RESP_FLAGS_VLAN_STRIP_CAP) || |
|
(BNXT_CHIP_P5_THOR(bp) && |
|
!(bp->fw_cap & BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED))) |
|
bp->fw_cap |= BNXT_FW_CAP_VLAN_RX_STRIP; |
|
bp->max_tpa_v2 = le16_to_cpu(resp->max_aggs_supported); |
|
if (bp->max_tpa_v2) { |
|
if (BNXT_CHIP_P5_THOR(bp)) |
|
bp->hw_ring_stats_size = BNXT_RING_STATS_SIZE_P5; |
|
else |
|
bp->hw_ring_stats_size = BNXT_RING_STATS_SIZE_P5_SR2; |
|
} |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp) |
|
{ |
|
u16 i; |
|
u32 rc = 0; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return 0; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct hwrm_ring_grp_alloc_input req = {0}; |
|
struct hwrm_ring_grp_alloc_output *resp = |
|
bp->hwrm_cmd_resp_addr; |
|
unsigned int grp_idx = bp->rx_ring[i].bnapi->index; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_ALLOC, -1, -1); |
|
|
|
req.cr = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id); |
|
req.rr = cpu_to_le16(bp->grp_info[grp_idx].rx_fw_ring_id); |
|
req.ar = cpu_to_le16(bp->grp_info[grp_idx].agg_fw_ring_id); |
|
req.sc = cpu_to_le16(bp->grp_info[grp_idx].fw_stats_ctx); |
|
|
|
rc = _hwrm_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
break; |
|
|
|
bp->grp_info[grp_idx].fw_grp_id = |
|
le32_to_cpu(resp->ring_group_id); |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_hwrm_ring_grp_free(struct bnxt *bp) |
|
{ |
|
u16 i; |
|
struct hwrm_ring_grp_free_input req = {0}; |
|
|
|
if (!bp->grp_info || (bp->flags & BNXT_FLAG_CHIP_P5)) |
|
return; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
if (bp->grp_info[i].fw_grp_id == INVALID_HW_RING_ID) |
|
continue; |
|
req.ring_group_id = |
|
cpu_to_le32(bp->grp_info[i].fw_grp_id); |
|
|
|
_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
} |
|
|
|
static int hwrm_ring_alloc_send_msg(struct bnxt *bp, |
|
struct bnxt_ring_struct *ring, |
|
u32 ring_type, u32 map_index) |
|
{ |
|
int rc = 0, err = 0; |
|
struct hwrm_ring_alloc_input req = {0}; |
|
struct hwrm_ring_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_ring_mem_info *rmem = &ring->ring_mem; |
|
struct bnxt_ring_grp_info *grp_info; |
|
u16 ring_id; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_ALLOC, -1, -1); |
|
|
|
req.enables = 0; |
|
if (rmem->nr_pages > 1) { |
|
req.page_tbl_addr = cpu_to_le64(rmem->pg_tbl_map); |
|
/* Page size is in log2 units */ |
|
req.page_size = BNXT_PAGE_SHIFT; |
|
req.page_tbl_depth = 1; |
|
} else { |
|
req.page_tbl_addr = cpu_to_le64(rmem->dma_arr[0]); |
|
} |
|
req.fbo = 0; |
|
/* Association of ring index with doorbell index and MSIX number */ |
|
req.logical_id = cpu_to_le16(map_index); |
|
|
|
switch (ring_type) { |
|
case HWRM_RING_ALLOC_TX: { |
|
struct bnxt_tx_ring_info *txr; |
|
|
|
txr = container_of(ring, struct bnxt_tx_ring_info, |
|
tx_ring_struct); |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_TX; |
|
/* Association of transmit ring with completion ring */ |
|
grp_info = &bp->grp_info[ring->grp_idx]; |
|
req.cmpl_ring_id = cpu_to_le16(bnxt_cp_ring_for_tx(bp, txr)); |
|
req.length = cpu_to_le32(bp->tx_ring_mask + 1); |
|
req.stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx); |
|
req.queue_id = cpu_to_le16(ring->queue_id); |
|
break; |
|
} |
|
case HWRM_RING_ALLOC_RX: |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX; |
|
req.length = cpu_to_le32(bp->rx_ring_mask + 1); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
u16 flags = 0; |
|
|
|
/* Association of rx ring with stats context */ |
|
grp_info = &bp->grp_info[ring->grp_idx]; |
|
req.rx_buf_size = cpu_to_le16(bp->rx_buf_use_size); |
|
req.stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx); |
|
req.enables |= cpu_to_le32( |
|
RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID); |
|
if (NET_IP_ALIGN == 2) |
|
flags = RING_ALLOC_REQ_FLAGS_RX_SOP_PAD; |
|
req.flags = cpu_to_le16(flags); |
|
} |
|
break; |
|
case HWRM_RING_ALLOC_AGG: |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX_AGG; |
|
/* Association of agg ring with rx ring */ |
|
grp_info = &bp->grp_info[ring->grp_idx]; |
|
req.rx_ring_id = cpu_to_le16(grp_info->rx_fw_ring_id); |
|
req.rx_buf_size = cpu_to_le16(BNXT_RX_PAGE_SIZE); |
|
req.stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx); |
|
req.enables |= cpu_to_le32( |
|
RING_ALLOC_REQ_ENABLES_RX_RING_ID_VALID | |
|
RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID); |
|
} else { |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX; |
|
} |
|
req.length = cpu_to_le32(bp->rx_agg_ring_mask + 1); |
|
break; |
|
case HWRM_RING_ALLOC_CMPL: |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_L2_CMPL; |
|
req.length = cpu_to_le32(bp->cp_ring_mask + 1); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
/* Association of cp ring with nq */ |
|
grp_info = &bp->grp_info[map_index]; |
|
req.nq_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id); |
|
req.cq_handle = cpu_to_le64(ring->handle); |
|
req.enables |= cpu_to_le32( |
|
RING_ALLOC_REQ_ENABLES_NQ_RING_ID_VALID); |
|
} else if (bp->flags & BNXT_FLAG_USING_MSIX) { |
|
req.int_mode = RING_ALLOC_REQ_INT_MODE_MSIX; |
|
} |
|
break; |
|
case HWRM_RING_ALLOC_NQ: |
|
req.ring_type = RING_ALLOC_REQ_RING_TYPE_NQ; |
|
req.length = cpu_to_le32(bp->cp_ring_mask + 1); |
|
if (bp->flags & BNXT_FLAG_USING_MSIX) |
|
req.int_mode = RING_ALLOC_REQ_INT_MODE_MSIX; |
|
break; |
|
default: |
|
netdev_err(bp->dev, "hwrm alloc invalid ring type %d\n", |
|
ring_type); |
|
return -1; |
|
} |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
err = le16_to_cpu(resp->error_code); |
|
ring_id = le16_to_cpu(resp->ring_id); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
if (rc || err) { |
|
netdev_err(bp->dev, "hwrm_ring_alloc type %d failed. rc:%x err:%x\n", |
|
ring_type, rc, err); |
|
return -EIO; |
|
} |
|
ring->fw_ring_id = ring_id; |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_set_async_event_cr(struct bnxt *bp, int idx) |
|
{ |
|
int rc; |
|
|
|
if (BNXT_PF(bp)) { |
|
struct hwrm_func_cfg_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ASYNC_EVENT_CR); |
|
req.async_event_cr = cpu_to_le16(idx); |
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} else { |
|
struct hwrm_func_vf_cfg_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); |
|
req.enables = |
|
cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_ASYNC_EVENT_CR); |
|
req.async_event_cr = cpu_to_le16(idx); |
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
return rc; |
|
} |
|
|
|
static void bnxt_set_db(struct bnxt *bp, struct bnxt_db_info *db, u32 ring_type, |
|
u32 map_idx, u32 xid) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
if (BNXT_PF(bp)) |
|
db->doorbell = bp->bar1 + DB_PF_OFFSET_P5; |
|
else |
|
db->doorbell = bp->bar1 + DB_VF_OFFSET_P5; |
|
switch (ring_type) { |
|
case HWRM_RING_ALLOC_TX: |
|
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SQ; |
|
break; |
|
case HWRM_RING_ALLOC_RX: |
|
case HWRM_RING_ALLOC_AGG: |
|
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SRQ; |
|
break; |
|
case HWRM_RING_ALLOC_CMPL: |
|
db->db_key64 = DBR_PATH_L2; |
|
break; |
|
case HWRM_RING_ALLOC_NQ: |
|
db->db_key64 = DBR_PATH_L2; |
|
break; |
|
} |
|
db->db_key64 |= (u64)xid << DBR_XID_SFT; |
|
} else { |
|
db->doorbell = bp->bar1 + map_idx * 0x80; |
|
switch (ring_type) { |
|
case HWRM_RING_ALLOC_TX: |
|
db->db_key32 = DB_KEY_TX; |
|
break; |
|
case HWRM_RING_ALLOC_RX: |
|
case HWRM_RING_ALLOC_AGG: |
|
db->db_key32 = DB_KEY_RX; |
|
break; |
|
case HWRM_RING_ALLOC_CMPL: |
|
db->db_key32 = DB_KEY_CP; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_hwrm_ring_alloc(struct bnxt *bp) |
|
{ |
|
bool agg_rings = !!(bp->flags & BNXT_FLAG_AGG_RINGS); |
|
int i, rc = 0; |
|
u32 type; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
type = HWRM_RING_ALLOC_NQ; |
|
else |
|
type = HWRM_RING_ALLOC_CMPL; |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; |
|
u32 map_idx = ring->map_idx; |
|
unsigned int vector; |
|
|
|
vector = bp->irq_tbl[map_idx].vector; |
|
disable_irq_nosync(vector); |
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); |
|
if (rc) { |
|
enable_irq(vector); |
|
goto err_out; |
|
} |
|
bnxt_set_db(bp, &cpr->cp_db, type, map_idx, ring->fw_ring_id); |
|
bnxt_db_nq(bp, &cpr->cp_db, cpr->cp_raw_cons); |
|
enable_irq(vector); |
|
bp->grp_info[i].cp_fw_ring_id = ring->fw_ring_id; |
|
|
|
if (!i) { |
|
rc = bnxt_hwrm_set_async_event_cr(bp, ring->fw_ring_id); |
|
if (rc) |
|
netdev_warn(bp->dev, "Failed to set async event completion ring.\n"); |
|
} |
|
} |
|
|
|
type = HWRM_RING_ALLOC_TX; |
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
struct bnxt_ring_struct *ring; |
|
u32 map_idx; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_napi *bnapi = txr->bnapi; |
|
struct bnxt_cp_ring_info *cpr, *cpr2; |
|
u32 type2 = HWRM_RING_ALLOC_CMPL; |
|
|
|
cpr = &bnapi->cp_ring; |
|
cpr2 = cpr->cp_ring_arr[BNXT_TX_HDL]; |
|
ring = &cpr2->cp_ring_struct; |
|
ring->handle = BNXT_TX_HDL; |
|
map_idx = bnapi->index; |
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type2, map_idx); |
|
if (rc) |
|
goto err_out; |
|
bnxt_set_db(bp, &cpr2->cp_db, type2, map_idx, |
|
ring->fw_ring_id); |
|
bnxt_db_cq(bp, &cpr2->cp_db, cpr2->cp_raw_cons); |
|
} |
|
ring = &txr->tx_ring_struct; |
|
map_idx = i; |
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); |
|
if (rc) |
|
goto err_out; |
|
bnxt_set_db(bp, &txr->tx_db, type, map_idx, ring->fw_ring_id); |
|
} |
|
|
|
type = HWRM_RING_ALLOC_RX; |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; |
|
struct bnxt_napi *bnapi = rxr->bnapi; |
|
u32 map_idx = bnapi->index; |
|
|
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); |
|
if (rc) |
|
goto err_out; |
|
bnxt_set_db(bp, &rxr->rx_db, type, map_idx, ring->fw_ring_id); |
|
/* If we have agg rings, post agg buffers first. */ |
|
if (!agg_rings) |
|
bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); |
|
bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
u32 type2 = HWRM_RING_ALLOC_CMPL; |
|
struct bnxt_cp_ring_info *cpr2; |
|
|
|
cpr2 = cpr->cp_ring_arr[BNXT_RX_HDL]; |
|
ring = &cpr2->cp_ring_struct; |
|
ring->handle = BNXT_RX_HDL; |
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type2, map_idx); |
|
if (rc) |
|
goto err_out; |
|
bnxt_set_db(bp, &cpr2->cp_db, type2, map_idx, |
|
ring->fw_ring_id); |
|
bnxt_db_cq(bp, &cpr2->cp_db, cpr2->cp_raw_cons); |
|
} |
|
} |
|
|
|
if (agg_rings) { |
|
type = HWRM_RING_ALLOC_AGG; |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring = |
|
&rxr->rx_agg_ring_struct; |
|
u32 grp_idx = ring->grp_idx; |
|
u32 map_idx = grp_idx + bp->rx_nr_rings; |
|
|
|
rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); |
|
if (rc) |
|
goto err_out; |
|
|
|
bnxt_set_db(bp, &rxr->rx_agg_db, type, map_idx, |
|
ring->fw_ring_id); |
|
bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); |
|
bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); |
|
bp->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id; |
|
} |
|
} |
|
err_out: |
|
return rc; |
|
} |
|
|
|
static int hwrm_ring_free_send_msg(struct bnxt *bp, |
|
struct bnxt_ring_struct *ring, |
|
u32 ring_type, int cmpl_ring_id) |
|
{ |
|
int rc; |
|
struct hwrm_ring_free_input req = {0}; |
|
struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr; |
|
u16 error_code; |
|
|
|
if (BNXT_NO_FW_ACCESS(bp)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1); |
|
req.ring_type = ring_type; |
|
req.ring_id = cpu_to_le16(ring->fw_ring_id); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
error_code = le16_to_cpu(resp->error_code); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
if (rc || error_code) { |
|
netdev_err(bp->dev, "hwrm_ring_free type %d failed. rc:%x err:%x\n", |
|
ring_type, rc, error_code); |
|
return -EIO; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) |
|
{ |
|
u32 type; |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; |
|
struct bnxt_ring_struct *ring = &txr->tx_ring_struct; |
|
|
|
if (ring->fw_ring_id != INVALID_HW_RING_ID) { |
|
u32 cmpl_ring_id = bnxt_cp_ring_for_tx(bp, txr); |
|
|
|
hwrm_ring_free_send_msg(bp, ring, |
|
RING_FREE_REQ_RING_TYPE_TX, |
|
close_path ? cmpl_ring_id : |
|
INVALID_HW_RING_ID); |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
} |
|
} |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; |
|
u32 grp_idx = rxr->bnapi->index; |
|
|
|
if (ring->fw_ring_id != INVALID_HW_RING_ID) { |
|
u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); |
|
|
|
hwrm_ring_free_send_msg(bp, ring, |
|
RING_FREE_REQ_RING_TYPE_RX, |
|
close_path ? cmpl_ring_id : |
|
INVALID_HW_RING_ID); |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
bp->grp_info[grp_idx].rx_fw_ring_id = |
|
INVALID_HW_RING_ID; |
|
} |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
type = RING_FREE_REQ_RING_TYPE_RX_AGG; |
|
else |
|
type = RING_FREE_REQ_RING_TYPE_RX; |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct; |
|
u32 grp_idx = rxr->bnapi->index; |
|
|
|
if (ring->fw_ring_id != INVALID_HW_RING_ID) { |
|
u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); |
|
|
|
hwrm_ring_free_send_msg(bp, ring, type, |
|
close_path ? cmpl_ring_id : |
|
INVALID_HW_RING_ID); |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
bp->grp_info[grp_idx].agg_fw_ring_id = |
|
INVALID_HW_RING_ID; |
|
} |
|
} |
|
|
|
/* The completion rings are about to be freed. After that the |
|
* IRQ doorbell will not work anymore. So we need to disable |
|
* IRQ here. |
|
*/ |
|
bnxt_disable_int_sync(bp); |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
type = RING_FREE_REQ_RING_TYPE_NQ; |
|
else |
|
type = RING_FREE_REQ_RING_TYPE_L2_CMPL; |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_ring_struct *ring; |
|
int j; |
|
|
|
for (j = 0; j < 2; j++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; |
|
|
|
if (cpr2) { |
|
ring = &cpr2->cp_ring_struct; |
|
if (ring->fw_ring_id == INVALID_HW_RING_ID) |
|
continue; |
|
hwrm_ring_free_send_msg(bp, ring, |
|
RING_FREE_REQ_RING_TYPE_L2_CMPL, |
|
INVALID_HW_RING_ID); |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
} |
|
} |
|
ring = &cpr->cp_ring_struct; |
|
if (ring->fw_ring_id != INVALID_HW_RING_ID) { |
|
hwrm_ring_free_send_msg(bp, ring, type, |
|
INVALID_HW_RING_ID); |
|
ring->fw_ring_id = INVALID_HW_RING_ID; |
|
bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID; |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, |
|
bool shared); |
|
|
|
static int bnxt_hwrm_get_rings(struct bnxt *bp) |
|
{ |
|
struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
struct hwrm_func_qcfg_input req = {0}; |
|
int rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10601) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) { |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
hw_resc->resv_tx_rings = le16_to_cpu(resp->alloc_tx_rings); |
|
if (BNXT_NEW_RM(bp)) { |
|
u16 cp, stats; |
|
|
|
hw_resc->resv_rx_rings = le16_to_cpu(resp->alloc_rx_rings); |
|
hw_resc->resv_hw_ring_grps = |
|
le32_to_cpu(resp->alloc_hw_ring_grps); |
|
hw_resc->resv_vnics = le16_to_cpu(resp->alloc_vnics); |
|
cp = le16_to_cpu(resp->alloc_cmpl_rings); |
|
stats = le16_to_cpu(resp->alloc_stat_ctx); |
|
hw_resc->resv_irqs = cp; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
int rx = hw_resc->resv_rx_rings; |
|
int tx = hw_resc->resv_tx_rings; |
|
|
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx >>= 1; |
|
if (cp < (rx + tx)) { |
|
bnxt_trim_rings(bp, &rx, &tx, cp, false); |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx <<= 1; |
|
hw_resc->resv_rx_rings = rx; |
|
hw_resc->resv_tx_rings = tx; |
|
} |
|
hw_resc->resv_irqs = le16_to_cpu(resp->alloc_msix); |
|
hw_resc->resv_hw_ring_grps = rx; |
|
} |
|
hw_resc->resv_cp_rings = cp; |
|
hw_resc->resv_stat_ctxs = stats; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return 0; |
|
} |
|
|
|
/* Caller must hold bp->hwrm_cmd_lock */ |
|
int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings) |
|
{ |
|
struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_func_qcfg_input req = {0}; |
|
int rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10601) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); |
|
req.fid = cpu_to_le16(fid); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
*tx_rings = le16_to_cpu(resp->alloc_tx_rings); |
|
|
|
return rc; |
|
} |
|
|
|
static bool bnxt_rfs_supported(struct bnxt *bp); |
|
|
|
static void |
|
__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req, |
|
int tx_rings, int rx_rings, int ring_grps, |
|
int cp_rings, int stats, int vnics) |
|
{ |
|
u32 enables = 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1); |
|
req->fid = cpu_to_le16(0xffff); |
|
enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; |
|
req->num_tx_rings = cpu_to_le16(tx_rings); |
|
if (BNXT_NEW_RM(bp)) { |
|
enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; |
|
enables |= stats ? FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_MSIX : 0; |
|
enables |= tx_rings + ring_grps ? |
|
FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; |
|
enables |= rx_rings ? |
|
FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; |
|
} else { |
|
enables |= cp_rings ? |
|
FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; |
|
enables |= ring_grps ? |
|
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | |
|
FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; |
|
} |
|
enables |= vnics ? FUNC_CFG_REQ_ENABLES_NUM_VNICS : 0; |
|
|
|
req->num_rx_rings = cpu_to_le16(rx_rings); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
req->num_cmpl_rings = cpu_to_le16(tx_rings + ring_grps); |
|
req->num_msix = cpu_to_le16(cp_rings); |
|
req->num_rsscos_ctxs = |
|
cpu_to_le16(DIV_ROUND_UP(ring_grps, 64)); |
|
} else { |
|
req->num_cmpl_rings = cpu_to_le16(cp_rings); |
|
req->num_hw_ring_grps = cpu_to_le16(ring_grps); |
|
req->num_rsscos_ctxs = cpu_to_le16(1); |
|
if (!(bp->flags & BNXT_FLAG_NEW_RSS_CAP) && |
|
bnxt_rfs_supported(bp)) |
|
req->num_rsscos_ctxs = |
|
cpu_to_le16(ring_grps + 1); |
|
} |
|
req->num_stat_ctxs = cpu_to_le16(stats); |
|
req->num_vnics = cpu_to_le16(vnics); |
|
} |
|
req->enables = cpu_to_le32(enables); |
|
} |
|
|
|
static void |
|
__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, |
|
struct hwrm_func_vf_cfg_input *req, int tx_rings, |
|
int rx_rings, int ring_grps, int cp_rings, |
|
int stats, int vnics) |
|
{ |
|
u32 enables = 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1); |
|
enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; |
|
enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS | |
|
FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; |
|
enables |= stats ? FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
enables |= tx_rings + ring_grps ? |
|
FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; |
|
} else { |
|
enables |= cp_rings ? |
|
FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; |
|
enables |= ring_grps ? |
|
FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; |
|
} |
|
enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; |
|
enables |= FUNC_VF_CFG_REQ_ENABLES_NUM_L2_CTXS; |
|
|
|
req->num_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX); |
|
req->num_tx_rings = cpu_to_le16(tx_rings); |
|
req->num_rx_rings = cpu_to_le16(rx_rings); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
req->num_cmpl_rings = cpu_to_le16(tx_rings + ring_grps); |
|
req->num_rsscos_ctxs = cpu_to_le16(DIV_ROUND_UP(ring_grps, 64)); |
|
} else { |
|
req->num_cmpl_rings = cpu_to_le16(cp_rings); |
|
req->num_hw_ring_grps = cpu_to_le16(ring_grps); |
|
req->num_rsscos_ctxs = cpu_to_le16(BNXT_VF_MAX_RSS_CTX); |
|
} |
|
req->num_stat_ctxs = cpu_to_le16(stats); |
|
req->num_vnics = cpu_to_le16(vnics); |
|
|
|
req->enables = cpu_to_le32(enables); |
|
} |
|
|
|
static int |
|
bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, |
|
int ring_grps, int cp_rings, int stats, int vnics) |
|
{ |
|
struct hwrm_func_cfg_input req = {0}; |
|
int rc; |
|
|
|
__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, |
|
cp_rings, stats, vnics); |
|
if (!req.enables) |
|
return 0; |
|
|
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
return rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10601) |
|
bp->hw_resc.resv_tx_rings = tx_rings; |
|
|
|
return bnxt_hwrm_get_rings(bp); |
|
} |
|
|
|
static int |
|
bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, |
|
int ring_grps, int cp_rings, int stats, int vnics) |
|
{ |
|
struct hwrm_func_vf_cfg_input req = {0}; |
|
int rc; |
|
|
|
if (!BNXT_NEW_RM(bp)) { |
|
bp->hw_resc.resv_tx_rings = tx_rings; |
|
return 0; |
|
} |
|
|
|
__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, |
|
cp_rings, stats, vnics); |
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
return rc; |
|
|
|
return bnxt_hwrm_get_rings(bp); |
|
} |
|
|
|
static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp, |
|
int cp, int stat, int vnic) |
|
{ |
|
if (BNXT_PF(bp)) |
|
return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, stat, |
|
vnic); |
|
else |
|
return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, stat, |
|
vnic); |
|
} |
|
|
|
int bnxt_nq_rings_in_use(struct bnxt *bp) |
|
{ |
|
int cp = bp->cp_nr_rings; |
|
int ulp_msix, ulp_base; |
|
|
|
ulp_msix = bnxt_get_ulp_msix_num(bp); |
|
if (ulp_msix) { |
|
ulp_base = bnxt_get_ulp_msix_base(bp); |
|
cp += ulp_msix; |
|
if ((ulp_base + ulp_msix) > cp) |
|
cp = ulp_base + ulp_msix; |
|
} |
|
return cp; |
|
} |
|
|
|
static int bnxt_cp_rings_in_use(struct bnxt *bp) |
|
{ |
|
int cp; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
return bnxt_nq_rings_in_use(bp); |
|
|
|
cp = bp->tx_nr_rings + bp->rx_nr_rings; |
|
return cp; |
|
} |
|
|
|
static int bnxt_get_func_stat_ctxs(struct bnxt *bp) |
|
{ |
|
int ulp_stat = bnxt_get_ulp_stat_ctxs(bp); |
|
int cp = bp->cp_nr_rings; |
|
|
|
if (!ulp_stat) |
|
return cp; |
|
|
|
if (bnxt_nq_rings_in_use(bp) > cp + bnxt_get_ulp_msix_num(bp)) |
|
return bnxt_get_ulp_msix_base(bp) + ulp_stat; |
|
|
|
return cp + ulp_stat; |
|
} |
|
|
|
/* Check if a default RSS map needs to be setup. This function is only |
|
* used on older firmware that does not require reserving RX rings. |
|
*/ |
|
static void bnxt_check_rss_tbl_no_rmgr(struct bnxt *bp) |
|
{ |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
|
|
/* The RSS map is valid for RX rings set to resv_rx_rings */ |
|
if (hw_resc->resv_rx_rings != bp->rx_nr_rings) { |
|
hw_resc->resv_rx_rings = bp->rx_nr_rings; |
|
if (!netif_is_rxfh_configured(bp->dev)) |
|
bnxt_set_dflt_rss_indir_tbl(bp); |
|
} |
|
} |
|
|
|
static bool bnxt_need_reserve_rings(struct bnxt *bp) |
|
{ |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
int cp = bnxt_cp_rings_in_use(bp); |
|
int nq = bnxt_nq_rings_in_use(bp); |
|
int rx = bp->rx_nr_rings, stat; |
|
int vnic = 1, grp = rx; |
|
|
|
if (hw_resc->resv_tx_rings != bp->tx_nr_rings && |
|
bp->hwrm_spec_code >= 0x10601) |
|
return true; |
|
|
|
/* Old firmware does not need RX ring reservations but we still |
|
* need to setup a default RSS map when needed. With new firmware |
|
* we go through RX ring reservations first and then set up the |
|
* RSS map for the successfully reserved RX rings when needed. |
|
*/ |
|
if (!BNXT_NEW_RM(bp)) { |
|
bnxt_check_rss_tbl_no_rmgr(bp); |
|
return false; |
|
} |
|
if ((bp->flags & BNXT_FLAG_RFS) && !(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
vnic = rx + 1; |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx <<= 1; |
|
stat = bnxt_get_func_stat_ctxs(bp); |
|
if (hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp || |
|
hw_resc->resv_vnics != vnic || hw_resc->resv_stat_ctxs != stat || |
|
(hw_resc->resv_hw_ring_grps != grp && |
|
!(bp->flags & BNXT_FLAG_CHIP_P5))) |
|
return true; |
|
if ((bp->flags & BNXT_FLAG_CHIP_P5) && BNXT_PF(bp) && |
|
hw_resc->resv_irqs != nq) |
|
return true; |
|
return false; |
|
} |
|
|
|
static int __bnxt_reserve_rings(struct bnxt *bp) |
|
{ |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
int cp = bnxt_nq_rings_in_use(bp); |
|
int tx = bp->tx_nr_rings; |
|
int rx = bp->rx_nr_rings; |
|
int grp, rx_rings, rc; |
|
int vnic = 1, stat; |
|
bool sh = false; |
|
|
|
if (!bnxt_need_reserve_rings(bp)) |
|
return 0; |
|
|
|
if (bp->flags & BNXT_FLAG_SHARED_RINGS) |
|
sh = true; |
|
if ((bp->flags & BNXT_FLAG_RFS) && !(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
vnic = rx + 1; |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx <<= 1; |
|
grp = bp->rx_nr_rings; |
|
stat = bnxt_get_func_stat_ctxs(bp); |
|
|
|
rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, stat, vnic); |
|
if (rc) |
|
return rc; |
|
|
|
tx = hw_resc->resv_tx_rings; |
|
if (BNXT_NEW_RM(bp)) { |
|
rx = hw_resc->resv_rx_rings; |
|
cp = hw_resc->resv_irqs; |
|
grp = hw_resc->resv_hw_ring_grps; |
|
vnic = hw_resc->resv_vnics; |
|
stat = hw_resc->resv_stat_ctxs; |
|
} |
|
|
|
rx_rings = rx; |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) { |
|
if (rx >= 2) { |
|
rx_rings = rx >> 1; |
|
} else { |
|
if (netif_running(bp->dev)) |
|
return -ENOMEM; |
|
|
|
bp->flags &= ~BNXT_FLAG_AGG_RINGS; |
|
bp->flags |= BNXT_FLAG_NO_AGG_RINGS; |
|
bp->dev->hw_features &= ~NETIF_F_LRO; |
|
bp->dev->features &= ~NETIF_F_LRO; |
|
bnxt_set_ring_params(bp); |
|
} |
|
} |
|
rx_rings = min_t(int, rx_rings, grp); |
|
cp = min_t(int, cp, bp->cp_nr_rings); |
|
if (stat > bnxt_get_ulp_stat_ctxs(bp)) |
|
stat -= bnxt_get_ulp_stat_ctxs(bp); |
|
cp = min_t(int, cp, stat); |
|
rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh); |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx = rx_rings << 1; |
|
cp = sh ? max_t(int, tx, rx_rings) : tx + rx_rings; |
|
bp->tx_nr_rings = tx; |
|
|
|
/* If we cannot reserve all the RX rings, reset the RSS map only |
|
* if absolutely necessary |
|
*/ |
|
if (rx_rings != bp->rx_nr_rings) { |
|
netdev_warn(bp->dev, "Able to reserve only %d out of %d requested RX rings\n", |
|
rx_rings, bp->rx_nr_rings); |
|
if ((bp->dev->priv_flags & IFF_RXFH_CONFIGURED) && |
|
(bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) != |
|
bnxt_get_nr_rss_ctxs(bp, rx_rings) || |
|
bnxt_get_max_rss_ring(bp) >= rx_rings)) { |
|
netdev_warn(bp->dev, "RSS table entries reverting to default\n"); |
|
bp->dev->priv_flags &= ~IFF_RXFH_CONFIGURED; |
|
} |
|
} |
|
bp->rx_nr_rings = rx_rings; |
|
bp->cp_nr_rings = cp; |
|
|
|
if (!tx || !rx || !cp || !grp || !vnic || !stat) |
|
return -ENOMEM; |
|
|
|
if (!netif_is_rxfh_configured(bp->dev)) |
|
bnxt_set_dflt_rss_indir_tbl(bp); |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, |
|
int ring_grps, int cp_rings, int stats, |
|
int vnics) |
|
{ |
|
struct hwrm_func_vf_cfg_input req = {0}; |
|
u32 flags; |
|
|
|
if (!BNXT_NEW_RM(bp)) |
|
return 0; |
|
|
|
__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, |
|
cp_rings, stats, vnics); |
|
flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST | |
|
FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST | |
|
FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | |
|
FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | |
|
FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST | |
|
FUNC_VF_CFG_REQ_FLAGS_RSSCOS_CTX_ASSETS_TEST; |
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
flags |= FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST; |
|
|
|
req.flags = cpu_to_le32(flags); |
|
return hwrm_send_message_silent(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, |
|
int ring_grps, int cp_rings, int stats, |
|
int vnics) |
|
{ |
|
struct hwrm_func_cfg_input req = {0}; |
|
u32 flags; |
|
|
|
__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, |
|
cp_rings, stats, vnics); |
|
flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST; |
|
if (BNXT_NEW_RM(bp)) { |
|
flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST | |
|
FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | |
|
FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | |
|
FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
flags |= FUNC_CFG_REQ_FLAGS_RSSCOS_CTX_ASSETS_TEST | |
|
FUNC_CFG_REQ_FLAGS_NQ_ASSETS_TEST; |
|
else |
|
flags |= FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST; |
|
} |
|
|
|
req.flags = cpu_to_le32(flags); |
|
return hwrm_send_message_silent(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings, |
|
int ring_grps, int cp_rings, int stats, |
|
int vnics) |
|
{ |
|
if (bp->hwrm_spec_code < 0x10801) |
|
return 0; |
|
|
|
if (BNXT_PF(bp)) |
|
return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings, |
|
ring_grps, cp_rings, stats, |
|
vnics); |
|
|
|
return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps, |
|
cp_rings, stats, vnics); |
|
} |
|
|
|
static void bnxt_hwrm_coal_params_qcaps(struct bnxt *bp) |
|
{ |
|
struct hwrm_ring_aggint_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_coal_cap *coal_cap = &bp->coal_cap; |
|
struct hwrm_ring_aggint_qcaps_input req = {0}; |
|
int rc; |
|
|
|
coal_cap->cmpl_params = BNXT_LEGACY_COAL_CMPL_PARAMS; |
|
coal_cap->num_cmpl_dma_aggr_max = 63; |
|
coal_cap->num_cmpl_dma_aggr_during_int_max = 63; |
|
coal_cap->cmpl_aggr_dma_tmr_max = 65535; |
|
coal_cap->cmpl_aggr_dma_tmr_during_int_max = 65535; |
|
coal_cap->int_lat_tmr_min_max = 65535; |
|
coal_cap->int_lat_tmr_max_max = 65535; |
|
coal_cap->num_cmpl_aggr_int_max = 65535; |
|
coal_cap->timer_units = 80; |
|
|
|
if (bp->hwrm_spec_code < 0x10902) |
|
return; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_AGGINT_QCAPS, -1, -1); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
coal_cap->cmpl_params = le32_to_cpu(resp->cmpl_params); |
|
coal_cap->nq_params = le32_to_cpu(resp->nq_params); |
|
coal_cap->num_cmpl_dma_aggr_max = |
|
le16_to_cpu(resp->num_cmpl_dma_aggr_max); |
|
coal_cap->num_cmpl_dma_aggr_during_int_max = |
|
le16_to_cpu(resp->num_cmpl_dma_aggr_during_int_max); |
|
coal_cap->cmpl_aggr_dma_tmr_max = |
|
le16_to_cpu(resp->cmpl_aggr_dma_tmr_max); |
|
coal_cap->cmpl_aggr_dma_tmr_during_int_max = |
|
le16_to_cpu(resp->cmpl_aggr_dma_tmr_during_int_max); |
|
coal_cap->int_lat_tmr_min_max = |
|
le16_to_cpu(resp->int_lat_tmr_min_max); |
|
coal_cap->int_lat_tmr_max_max = |
|
le16_to_cpu(resp->int_lat_tmr_max_max); |
|
coal_cap->num_cmpl_aggr_int_max = |
|
le16_to_cpu(resp->num_cmpl_aggr_int_max); |
|
coal_cap->timer_units = le16_to_cpu(resp->timer_units); |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
} |
|
|
|
static u16 bnxt_usec_to_coal_tmr(struct bnxt *bp, u16 usec) |
|
{ |
|
struct bnxt_coal_cap *coal_cap = &bp->coal_cap; |
|
|
|
return usec * 1000 / coal_cap->timer_units; |
|
} |
|
|
|
static void bnxt_hwrm_set_coal_params(struct bnxt *bp, |
|
struct bnxt_coal *hw_coal, |
|
struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req) |
|
{ |
|
struct bnxt_coal_cap *coal_cap = &bp->coal_cap; |
|
u32 cmpl_params = coal_cap->cmpl_params; |
|
u16 val, tmr, max, flags = 0; |
|
|
|
max = hw_coal->bufs_per_record * 128; |
|
if (hw_coal->budget) |
|
max = hw_coal->bufs_per_record * hw_coal->budget; |
|
max = min_t(u16, max, coal_cap->num_cmpl_aggr_int_max); |
|
|
|
val = clamp_t(u16, hw_coal->coal_bufs, 1, max); |
|
req->num_cmpl_aggr_int = cpu_to_le16(val); |
|
|
|
val = min_t(u16, val, coal_cap->num_cmpl_dma_aggr_max); |
|
req->num_cmpl_dma_aggr = cpu_to_le16(val); |
|
|
|
val = clamp_t(u16, hw_coal->coal_bufs_irq, 1, |
|
coal_cap->num_cmpl_dma_aggr_during_int_max); |
|
req->num_cmpl_dma_aggr_during_int = cpu_to_le16(val); |
|
|
|
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks); |
|
tmr = clamp_t(u16, tmr, 1, coal_cap->int_lat_tmr_max_max); |
|
req->int_lat_tmr_max = cpu_to_le16(tmr); |
|
|
|
/* min timer set to 1/2 of interrupt timer */ |
|
if (cmpl_params & RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_INT_LAT_TMR_MIN) { |
|
val = tmr / 2; |
|
val = clamp_t(u16, val, 1, coal_cap->int_lat_tmr_min_max); |
|
req->int_lat_tmr_min = cpu_to_le16(val); |
|
req->enables |= cpu_to_le16(BNXT_COAL_CMPL_MIN_TMR_ENABLE); |
|
} |
|
|
|
/* buf timer set to 1/4 of interrupt timer */ |
|
val = clamp_t(u16, tmr / 4, 1, coal_cap->cmpl_aggr_dma_tmr_max); |
|
req->cmpl_aggr_dma_tmr = cpu_to_le16(val); |
|
|
|
if (cmpl_params & |
|
RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_DMA_AGGR_DURING_INT) { |
|
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks_irq); |
|
val = clamp_t(u16, tmr, 1, |
|
coal_cap->cmpl_aggr_dma_tmr_during_int_max); |
|
req->cmpl_aggr_dma_tmr_during_int = cpu_to_le16(val); |
|
req->enables |= |
|
cpu_to_le16(BNXT_COAL_CMPL_AGGR_TMR_DURING_INT_ENABLE); |
|
} |
|
|
|
if (cmpl_params & RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET) |
|
flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; |
|
if ((cmpl_params & RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_RING_IDLE) && |
|
hw_coal->idle_thresh && hw_coal->coal_ticks < hw_coal->idle_thresh) |
|
flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_RING_IDLE; |
|
req->flags = cpu_to_le16(flags); |
|
req->enables |= cpu_to_le16(BNXT_COAL_CMPL_ENABLES); |
|
} |
|
|
|
/* Caller holds bp->hwrm_cmd_lock */ |
|
static int __bnxt_hwrm_set_coal_nq(struct bnxt *bp, struct bnxt_napi *bnapi, |
|
struct bnxt_coal *hw_coal) |
|
{ |
|
struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req = {0}; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_coal_cap *coal_cap = &bp->coal_cap; |
|
u32 nq_params = coal_cap->nq_params; |
|
u16 tmr; |
|
|
|
if (!(nq_params & RING_AGGINT_QCAPS_RESP_NQ_PARAMS_INT_LAT_TMR_MIN)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, |
|
-1, -1); |
|
req.ring_id = cpu_to_le16(cpr->cp_ring_struct.fw_ring_id); |
|
req.flags = |
|
cpu_to_le16(RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_IS_NQ); |
|
|
|
tmr = bnxt_usec_to_coal_tmr(bp, hw_coal->coal_ticks) / 2; |
|
tmr = clamp_t(u16, tmr, 1, coal_cap->int_lat_tmr_min_max); |
|
req.int_lat_tmr_min = cpu_to_le16(tmr); |
|
req.enables |= cpu_to_le16(BNXT_COAL_CMPL_MIN_TMR_ENABLE); |
|
return _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi) |
|
{ |
|
struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0}; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
struct bnxt_coal coal; |
|
|
|
/* Tick values in micro seconds. |
|
* 1 coal_buf x bufs_per_record = 1 completion record. |
|
*/ |
|
memcpy(&coal, &bp->rx_coal, sizeof(struct bnxt_coal)); |
|
|
|
coal.coal_ticks = cpr->rx_ring_coal.coal_ticks; |
|
coal.coal_bufs = cpr->rx_ring_coal.coal_bufs; |
|
|
|
if (!bnapi->rx_ring) |
|
return -ENODEV; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req_rx, |
|
HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1); |
|
|
|
bnxt_hwrm_set_coal_params(bp, &coal, &req_rx); |
|
|
|
req_rx.ring_id = cpu_to_le16(bnxt_cp_ring_for_rx(bp, bnapi->rx_ring)); |
|
|
|
return hwrm_send_message(bp, &req_rx, sizeof(req_rx), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
int bnxt_hwrm_set_coal(struct bnxt *bp) |
|
{ |
|
int i, rc = 0; |
|
struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0}, |
|
req_tx = {0}, *req; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req_rx, |
|
HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1); |
|
bnxt_hwrm_cmd_hdr_init(bp, &req_tx, |
|
HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1); |
|
|
|
bnxt_hwrm_set_coal_params(bp, &bp->rx_coal, &req_rx); |
|
bnxt_hwrm_set_coal_params(bp, &bp->tx_coal, &req_tx); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_coal *hw_coal; |
|
u16 ring_id; |
|
|
|
req = &req_rx; |
|
if (!bnapi->rx_ring) { |
|
ring_id = bnxt_cp_ring_for_tx(bp, bnapi->tx_ring); |
|
req = &req_tx; |
|
} else { |
|
ring_id = bnxt_cp_ring_for_rx(bp, bnapi->rx_ring); |
|
} |
|
req->ring_id = cpu_to_le16(ring_id); |
|
|
|
rc = _hwrm_send_message(bp, req, sizeof(*req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
break; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
continue; |
|
|
|
if (bnapi->rx_ring && bnapi->tx_ring) { |
|
req = &req_tx; |
|
ring_id = bnxt_cp_ring_for_tx(bp, bnapi->tx_ring); |
|
req->ring_id = cpu_to_le16(ring_id); |
|
rc = _hwrm_send_message(bp, req, sizeof(*req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
break; |
|
} |
|
if (bnapi->rx_ring) |
|
hw_coal = &bp->rx_coal; |
|
else |
|
hw_coal = &bp->tx_coal; |
|
__bnxt_hwrm_set_coal_nq(bp, bnapi, hw_coal); |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_hwrm_stat_ctx_free(struct bnxt *bp) |
|
{ |
|
struct hwrm_stat_ctx_clr_stats_input req0 = {0}; |
|
struct hwrm_stat_ctx_free_input req = {0}; |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
return; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req0, HWRM_STAT_CTX_CLR_STATS, -1, -1); |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
|
|
if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) { |
|
req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id); |
|
if (BNXT_FW_MAJ(bp) <= 20) { |
|
req0.stat_ctx_id = req.stat_ctx_id; |
|
_hwrm_send_message(bp, &req0, sizeof(req0), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
_hwrm_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
|
|
cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID; |
|
} |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
} |
|
|
|
static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp) |
|
{ |
|
int rc = 0, i; |
|
struct hwrm_stat_ctx_alloc_input req = {0}; |
|
struct hwrm_stat_ctx_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_ALLOC, -1, -1); |
|
|
|
req.stats_dma_length = cpu_to_le16(bp->hw_ring_stats_size); |
|
req.update_period_ms = cpu_to_le32(bp->stats_coal_ticks / 1000); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
|
|
req.stats_dma_addr = cpu_to_le64(cpr->stats.hw_stats_map); |
|
|
|
rc = _hwrm_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
break; |
|
|
|
cpr->hw_stats_ctx_id = le32_to_cpu(resp->stat_ctx_id); |
|
|
|
bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_func_qcfg(struct bnxt *bp) |
|
{ |
|
struct hwrm_func_qcfg_input req = {0}; |
|
struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
u32 min_db_offset = 0; |
|
u16 flags; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto func_qcfg_exit; |
|
|
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (BNXT_VF(bp)) { |
|
struct bnxt_vf_info *vf = &bp->vf; |
|
|
|
vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK; |
|
} else { |
|
bp->pf.registered_vfs = le16_to_cpu(resp->registered_vfs); |
|
} |
|
#endif |
|
flags = le16_to_cpu(resp->flags); |
|
if (flags & (FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED | |
|
FUNC_QCFG_RESP_FLAGS_FW_LLDP_AGENT_ENABLED)) { |
|
bp->fw_cap |= BNXT_FW_CAP_LLDP_AGENT; |
|
if (flags & FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED) |
|
bp->fw_cap |= BNXT_FW_CAP_DCBX_AGENT; |
|
} |
|
if (BNXT_PF(bp) && (flags & FUNC_QCFG_RESP_FLAGS_MULTI_HOST)) |
|
bp->flags |= BNXT_FLAG_MULTI_HOST; |
|
if (flags & FUNC_QCFG_RESP_FLAGS_RING_MONITOR_ENABLED) |
|
bp->fw_cap |= BNXT_FW_CAP_RING_MONITOR; |
|
|
|
switch (resp->port_partition_type) { |
|
case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0: |
|
case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5: |
|
case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR2_0: |
|
bp->port_partition_type = resp->port_partition_type; |
|
break; |
|
} |
|
if (bp->hwrm_spec_code < 0x10707 || |
|
resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEB) |
|
bp->br_mode = BRIDGE_MODE_VEB; |
|
else if (resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEPA) |
|
bp->br_mode = BRIDGE_MODE_VEPA; |
|
else |
|
bp->br_mode = BRIDGE_MODE_UNDEF; |
|
|
|
bp->max_mtu = le16_to_cpu(resp->max_mtu_configured); |
|
if (!bp->max_mtu) |
|
bp->max_mtu = BNXT_MAX_MTU; |
|
|
|
if (bp->db_size) |
|
goto func_qcfg_exit; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
if (BNXT_PF(bp)) |
|
min_db_offset = DB_PF_OFFSET_P5; |
|
else |
|
min_db_offset = DB_VF_OFFSET_P5; |
|
} |
|
bp->db_size = PAGE_ALIGN(le16_to_cpu(resp->l2_doorbell_bar_size_kb) * |
|
1024); |
|
if (!bp->db_size || bp->db_size > pci_resource_len(bp->pdev, 2) || |
|
bp->db_size <= min_db_offset) |
|
bp->db_size = pci_resource_len(bp->pdev, 2); |
|
|
|
func_qcfg_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp) |
|
{ |
|
struct hwrm_func_backing_store_qcaps_input req = {0}; |
|
struct hwrm_func_backing_store_qcaps_output *resp = |
|
bp->hwrm_cmd_resp_addr; |
|
int rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10902 || BNXT_VF(bp) || bp->ctx) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BACKING_STORE_QCAPS, -1, -1); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
struct bnxt_ctx_pg_info *ctx_pg; |
|
struct bnxt_ctx_mem_info *ctx; |
|
int i, tqm_rings; |
|
|
|
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
|
if (!ctx) { |
|
rc = -ENOMEM; |
|
goto ctx_err; |
|
} |
|
ctx->qp_max_entries = le32_to_cpu(resp->qp_max_entries); |
|
ctx->qp_min_qp1_entries = le16_to_cpu(resp->qp_min_qp1_entries); |
|
ctx->qp_max_l2_entries = le16_to_cpu(resp->qp_max_l2_entries); |
|
ctx->qp_entry_size = le16_to_cpu(resp->qp_entry_size); |
|
ctx->srq_max_l2_entries = le16_to_cpu(resp->srq_max_l2_entries); |
|
ctx->srq_max_entries = le32_to_cpu(resp->srq_max_entries); |
|
ctx->srq_entry_size = le16_to_cpu(resp->srq_entry_size); |
|
ctx->cq_max_l2_entries = le16_to_cpu(resp->cq_max_l2_entries); |
|
ctx->cq_max_entries = le32_to_cpu(resp->cq_max_entries); |
|
ctx->cq_entry_size = le16_to_cpu(resp->cq_entry_size); |
|
ctx->vnic_max_vnic_entries = |
|
le16_to_cpu(resp->vnic_max_vnic_entries); |
|
ctx->vnic_max_ring_table_entries = |
|
le16_to_cpu(resp->vnic_max_ring_table_entries); |
|
ctx->vnic_entry_size = le16_to_cpu(resp->vnic_entry_size); |
|
ctx->stat_max_entries = le32_to_cpu(resp->stat_max_entries); |
|
ctx->stat_entry_size = le16_to_cpu(resp->stat_entry_size); |
|
ctx->tqm_entry_size = le16_to_cpu(resp->tqm_entry_size); |
|
ctx->tqm_min_entries_per_ring = |
|
le32_to_cpu(resp->tqm_min_entries_per_ring); |
|
ctx->tqm_max_entries_per_ring = |
|
le32_to_cpu(resp->tqm_max_entries_per_ring); |
|
ctx->tqm_entries_multiple = resp->tqm_entries_multiple; |
|
if (!ctx->tqm_entries_multiple) |
|
ctx->tqm_entries_multiple = 1; |
|
ctx->mrav_max_entries = le32_to_cpu(resp->mrav_max_entries); |
|
ctx->mrav_entry_size = le16_to_cpu(resp->mrav_entry_size); |
|
ctx->mrav_num_entries_units = |
|
le16_to_cpu(resp->mrav_num_entries_units); |
|
ctx->tim_entry_size = le16_to_cpu(resp->tim_entry_size); |
|
ctx->tim_max_entries = le32_to_cpu(resp->tim_max_entries); |
|
ctx->ctx_kind_initializer = resp->ctx_kind_initializer; |
|
ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count; |
|
if (!ctx->tqm_fp_rings_count) |
|
ctx->tqm_fp_rings_count = bp->max_q; |
|
else if (ctx->tqm_fp_rings_count > BNXT_MAX_TQM_FP_RINGS) |
|
ctx->tqm_fp_rings_count = BNXT_MAX_TQM_FP_RINGS; |
|
|
|
tqm_rings = ctx->tqm_fp_rings_count + BNXT_MAX_TQM_SP_RINGS; |
|
ctx_pg = kcalloc(tqm_rings, sizeof(*ctx_pg), GFP_KERNEL); |
|
if (!ctx_pg) { |
|
kfree(ctx); |
|
rc = -ENOMEM; |
|
goto ctx_err; |
|
} |
|
for (i = 0; i < tqm_rings; i++, ctx_pg++) |
|
ctx->tqm_mem[i] = ctx_pg; |
|
bp->ctx = ctx; |
|
} else { |
|
rc = 0; |
|
} |
|
ctx_err: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_hwrm_set_pg_attr(struct bnxt_ring_mem_info *rmem, u8 *pg_attr, |
|
__le64 *pg_dir) |
|
{ |
|
BNXT_SET_CTX_PAGE_ATTR(*pg_attr); |
|
if (rmem->depth >= 1) { |
|
if (rmem->depth == 2) |
|
*pg_attr |= 2; |
|
else |
|
*pg_attr |= 1; |
|
*pg_dir = cpu_to_le64(rmem->pg_tbl_map); |
|
} else { |
|
*pg_dir = cpu_to_le64(rmem->dma_arr[0]); |
|
} |
|
} |
|
|
|
#define FUNC_BACKING_STORE_CFG_REQ_DFLT_ENABLES \ |
|
(FUNC_BACKING_STORE_CFG_REQ_ENABLES_QP | \ |
|
FUNC_BACKING_STORE_CFG_REQ_ENABLES_SRQ | \ |
|
FUNC_BACKING_STORE_CFG_REQ_ENABLES_CQ | \ |
|
FUNC_BACKING_STORE_CFG_REQ_ENABLES_VNIC | \ |
|
FUNC_BACKING_STORE_CFG_REQ_ENABLES_STAT) |
|
|
|
static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables) |
|
{ |
|
struct hwrm_func_backing_store_cfg_input req = {0}; |
|
struct bnxt_ctx_mem_info *ctx = bp->ctx; |
|
struct bnxt_ctx_pg_info *ctx_pg; |
|
__le32 *num_entries; |
|
__le64 *pg_dir; |
|
u32 flags = 0; |
|
u8 *pg_attr; |
|
u32 ena; |
|
int i; |
|
|
|
if (!ctx) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BACKING_STORE_CFG, -1, -1); |
|
req.enables = cpu_to_le32(enables); |
|
|
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_QP) { |
|
ctx_pg = &ctx->qp_mem; |
|
req.qp_num_entries = cpu_to_le32(ctx_pg->entries); |
|
req.qp_num_qp1_entries = cpu_to_le16(ctx->qp_min_qp1_entries); |
|
req.qp_num_l2_entries = cpu_to_le16(ctx->qp_max_l2_entries); |
|
req.qp_entry_size = cpu_to_le16(ctx->qp_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.qpc_pg_size_qpc_lvl, |
|
&req.qpc_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_SRQ) { |
|
ctx_pg = &ctx->srq_mem; |
|
req.srq_num_entries = cpu_to_le32(ctx_pg->entries); |
|
req.srq_num_l2_entries = cpu_to_le16(ctx->srq_max_l2_entries); |
|
req.srq_entry_size = cpu_to_le16(ctx->srq_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.srq_pg_size_srq_lvl, |
|
&req.srq_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_CQ) { |
|
ctx_pg = &ctx->cq_mem; |
|
req.cq_num_entries = cpu_to_le32(ctx_pg->entries); |
|
req.cq_num_l2_entries = cpu_to_le16(ctx->cq_max_l2_entries); |
|
req.cq_entry_size = cpu_to_le16(ctx->cq_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, &req.cq_pg_size_cq_lvl, |
|
&req.cq_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_VNIC) { |
|
ctx_pg = &ctx->vnic_mem; |
|
req.vnic_num_vnic_entries = |
|
cpu_to_le16(ctx->vnic_max_vnic_entries); |
|
req.vnic_num_ring_table_entries = |
|
cpu_to_le16(ctx->vnic_max_ring_table_entries); |
|
req.vnic_entry_size = cpu_to_le16(ctx->vnic_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.vnic_pg_size_vnic_lvl, |
|
&req.vnic_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_STAT) { |
|
ctx_pg = &ctx->stat_mem; |
|
req.stat_num_entries = cpu_to_le32(ctx->stat_max_entries); |
|
req.stat_entry_size = cpu_to_le16(ctx->stat_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.stat_pg_size_stat_lvl, |
|
&req.stat_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_MRAV) { |
|
ctx_pg = &ctx->mrav_mem; |
|
req.mrav_num_entries = cpu_to_le32(ctx_pg->entries); |
|
if (ctx->mrav_num_entries_units) |
|
flags |= |
|
FUNC_BACKING_STORE_CFG_REQ_FLAGS_MRAV_RESERVATION_SPLIT; |
|
req.mrav_entry_size = cpu_to_le16(ctx->mrav_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.mrav_pg_size_mrav_lvl, |
|
&req.mrav_page_dir); |
|
} |
|
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM) { |
|
ctx_pg = &ctx->tim_mem; |
|
req.tim_num_entries = cpu_to_le32(ctx_pg->entries); |
|
req.tim_entry_size = cpu_to_le16(ctx->tim_entry_size); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, |
|
&req.tim_pg_size_tim_lvl, |
|
&req.tim_page_dir); |
|
} |
|
for (i = 0, num_entries = &req.tqm_sp_num_entries, |
|
pg_attr = &req.tqm_sp_pg_size_tqm_sp_lvl, |
|
pg_dir = &req.tqm_sp_page_dir, |
|
ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP; |
|
i < BNXT_MAX_TQM_RINGS; |
|
i++, num_entries++, pg_attr++, pg_dir++, ena <<= 1) { |
|
if (!(enables & ena)) |
|
continue; |
|
|
|
req.tqm_entry_size = cpu_to_le16(ctx->tqm_entry_size); |
|
ctx_pg = ctx->tqm_mem[i]; |
|
*num_entries = cpu_to_le32(ctx_pg->entries); |
|
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, pg_attr, pg_dir); |
|
} |
|
req.flags = cpu_to_le32(flags); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp, |
|
struct bnxt_ctx_pg_info *ctx_pg) |
|
{ |
|
struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; |
|
|
|
rmem->page_size = BNXT_PAGE_SIZE; |
|
rmem->pg_arr = ctx_pg->ctx_pg_arr; |
|
rmem->dma_arr = ctx_pg->ctx_dma_arr; |
|
rmem->flags = BNXT_RMEM_VALID_PTE_FLAG; |
|
if (rmem->depth >= 1) |
|
rmem->flags |= BNXT_RMEM_USE_FULL_PAGE_FLAG; |
|
return bnxt_alloc_ring(bp, rmem); |
|
} |
|
|
|
static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp, |
|
struct bnxt_ctx_pg_info *ctx_pg, u32 mem_size, |
|
u8 depth, bool use_init_val) |
|
{ |
|
struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; |
|
int rc; |
|
|
|
if (!mem_size) |
|
return -EINVAL; |
|
|
|
ctx_pg->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE); |
|
if (ctx_pg->nr_pages > MAX_CTX_TOTAL_PAGES) { |
|
ctx_pg->nr_pages = 0; |
|
return -EINVAL; |
|
} |
|
if (ctx_pg->nr_pages > MAX_CTX_PAGES || depth > 1) { |
|
int nr_tbls, i; |
|
|
|
rmem->depth = 2; |
|
ctx_pg->ctx_pg_tbl = kcalloc(MAX_CTX_PAGES, sizeof(ctx_pg), |
|
GFP_KERNEL); |
|
if (!ctx_pg->ctx_pg_tbl) |
|
return -ENOMEM; |
|
nr_tbls = DIV_ROUND_UP(ctx_pg->nr_pages, MAX_CTX_PAGES); |
|
rmem->nr_pages = nr_tbls; |
|
rc = bnxt_alloc_ctx_mem_blk(bp, ctx_pg); |
|
if (rc) |
|
return rc; |
|
for (i = 0; i < nr_tbls; i++) { |
|
struct bnxt_ctx_pg_info *pg_tbl; |
|
|
|
pg_tbl = kzalloc(sizeof(*pg_tbl), GFP_KERNEL); |
|
if (!pg_tbl) |
|
return -ENOMEM; |
|
ctx_pg->ctx_pg_tbl[i] = pg_tbl; |
|
rmem = &pg_tbl->ring_mem; |
|
rmem->pg_tbl = ctx_pg->ctx_pg_arr[i]; |
|
rmem->pg_tbl_map = ctx_pg->ctx_dma_arr[i]; |
|
rmem->depth = 1; |
|
rmem->nr_pages = MAX_CTX_PAGES; |
|
if (use_init_val) |
|
rmem->init_val = bp->ctx->ctx_kind_initializer; |
|
if (i == (nr_tbls - 1)) { |
|
int rem = ctx_pg->nr_pages % MAX_CTX_PAGES; |
|
|
|
if (rem) |
|
rmem->nr_pages = rem; |
|
} |
|
rc = bnxt_alloc_ctx_mem_blk(bp, pg_tbl); |
|
if (rc) |
|
break; |
|
} |
|
} else { |
|
rmem->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE); |
|
if (rmem->nr_pages > 1 || depth) |
|
rmem->depth = 1; |
|
if (use_init_val) |
|
rmem->init_val = bp->ctx->ctx_kind_initializer; |
|
rc = bnxt_alloc_ctx_mem_blk(bp, ctx_pg); |
|
} |
|
return rc; |
|
} |
|
|
|
static void bnxt_free_ctx_pg_tbls(struct bnxt *bp, |
|
struct bnxt_ctx_pg_info *ctx_pg) |
|
{ |
|
struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; |
|
|
|
if (rmem->depth > 1 || ctx_pg->nr_pages > MAX_CTX_PAGES || |
|
ctx_pg->ctx_pg_tbl) { |
|
int i, nr_tbls = rmem->nr_pages; |
|
|
|
for (i = 0; i < nr_tbls; i++) { |
|
struct bnxt_ctx_pg_info *pg_tbl; |
|
struct bnxt_ring_mem_info *rmem2; |
|
|
|
pg_tbl = ctx_pg->ctx_pg_tbl[i]; |
|
if (!pg_tbl) |
|
continue; |
|
rmem2 = &pg_tbl->ring_mem; |
|
bnxt_free_ring(bp, rmem2); |
|
ctx_pg->ctx_pg_arr[i] = NULL; |
|
kfree(pg_tbl); |
|
ctx_pg->ctx_pg_tbl[i] = NULL; |
|
} |
|
kfree(ctx_pg->ctx_pg_tbl); |
|
ctx_pg->ctx_pg_tbl = NULL; |
|
} |
|
bnxt_free_ring(bp, rmem); |
|
ctx_pg->nr_pages = 0; |
|
} |
|
|
|
static void bnxt_free_ctx_mem(struct bnxt *bp) |
|
{ |
|
struct bnxt_ctx_mem_info *ctx = bp->ctx; |
|
int i; |
|
|
|
if (!ctx) |
|
return; |
|
|
|
if (ctx->tqm_mem[0]) { |
|
for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) |
|
bnxt_free_ctx_pg_tbls(bp, ctx->tqm_mem[i]); |
|
kfree(ctx->tqm_mem[0]); |
|
ctx->tqm_mem[0] = NULL; |
|
} |
|
|
|
bnxt_free_ctx_pg_tbls(bp, &ctx->tim_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->mrav_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->stat_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->vnic_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->cq_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->srq_mem); |
|
bnxt_free_ctx_pg_tbls(bp, &ctx->qp_mem); |
|
ctx->flags &= ~BNXT_CTX_FLAG_INITED; |
|
} |
|
|
|
static int bnxt_alloc_ctx_mem(struct bnxt *bp) |
|
{ |
|
struct bnxt_ctx_pg_info *ctx_pg; |
|
struct bnxt_ctx_mem_info *ctx; |
|
u32 mem_size, ena, entries; |
|
u32 entries_sp, min; |
|
u32 num_mr, num_ah; |
|
u32 extra_srqs = 0; |
|
u32 extra_qps = 0; |
|
u8 pg_lvl = 1; |
|
int i, rc; |
|
|
|
rc = bnxt_hwrm_func_backing_store_qcaps(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "Failed querying context mem capability, rc = %d.\n", |
|
rc); |
|
return rc; |
|
} |
|
ctx = bp->ctx; |
|
if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED)) |
|
return 0; |
|
|
|
if ((bp->flags & BNXT_FLAG_ROCE_CAP) && !is_kdump_kernel()) { |
|
pg_lvl = 2; |
|
extra_qps = 65536; |
|
extra_srqs = 8192; |
|
} |
|
|
|
ctx_pg = &ctx->qp_mem; |
|
ctx_pg->entries = ctx->qp_min_qp1_entries + ctx->qp_max_l2_entries + |
|
extra_qps; |
|
mem_size = ctx->qp_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true); |
|
if (rc) |
|
return rc; |
|
|
|
ctx_pg = &ctx->srq_mem; |
|
ctx_pg->entries = ctx->srq_max_l2_entries + extra_srqs; |
|
mem_size = ctx->srq_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true); |
|
if (rc) |
|
return rc; |
|
|
|
ctx_pg = &ctx->cq_mem; |
|
ctx_pg->entries = ctx->cq_max_l2_entries + extra_qps * 2; |
|
mem_size = ctx->cq_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true); |
|
if (rc) |
|
return rc; |
|
|
|
ctx_pg = &ctx->vnic_mem; |
|
ctx_pg->entries = ctx->vnic_max_vnic_entries + |
|
ctx->vnic_max_ring_table_entries; |
|
mem_size = ctx->vnic_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, true); |
|
if (rc) |
|
return rc; |
|
|
|
ctx_pg = &ctx->stat_mem; |
|
ctx_pg->entries = ctx->stat_max_entries; |
|
mem_size = ctx->stat_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, true); |
|
if (rc) |
|
return rc; |
|
|
|
ena = 0; |
|
if (!(bp->flags & BNXT_FLAG_ROCE_CAP)) |
|
goto skip_rdma; |
|
|
|
ctx_pg = &ctx->mrav_mem; |
|
/* 128K extra is needed to accommodate static AH context |
|
* allocation by f/w. |
|
*/ |
|
num_mr = 1024 * 256; |
|
num_ah = 1024 * 128; |
|
ctx_pg->entries = num_mr + num_ah; |
|
mem_size = ctx->mrav_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 2, true); |
|
if (rc) |
|
return rc; |
|
ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_MRAV; |
|
if (ctx->mrav_num_entries_units) |
|
ctx_pg->entries = |
|
((num_mr / ctx->mrav_num_entries_units) << 16) | |
|
(num_ah / ctx->mrav_num_entries_units); |
|
|
|
ctx_pg = &ctx->tim_mem; |
|
ctx_pg->entries = ctx->qp_mem.entries; |
|
mem_size = ctx->tim_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, false); |
|
if (rc) |
|
return rc; |
|
ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM; |
|
|
|
skip_rdma: |
|
min = ctx->tqm_min_entries_per_ring; |
|
entries_sp = ctx->vnic_max_vnic_entries + ctx->qp_max_l2_entries + |
|
2 * (extra_qps + ctx->qp_min_qp1_entries) + min; |
|
entries_sp = roundup(entries_sp, ctx->tqm_entries_multiple); |
|
entries = ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries); |
|
entries = roundup(entries, ctx->tqm_entries_multiple); |
|
entries = clamp_t(u32, entries, min, ctx->tqm_max_entries_per_ring); |
|
for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) { |
|
ctx_pg = ctx->tqm_mem[i]; |
|
ctx_pg->entries = i ? entries : entries_sp; |
|
mem_size = ctx->tqm_entry_size * ctx_pg->entries; |
|
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, false); |
|
if (rc) |
|
return rc; |
|
ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP << i; |
|
} |
|
ena |= FUNC_BACKING_STORE_CFG_REQ_DFLT_ENABLES; |
|
rc = bnxt_hwrm_func_backing_store_cfg(bp, ena); |
|
if (rc) { |
|
netdev_err(bp->dev, "Failed configuring context mem, rc = %d.\n", |
|
rc); |
|
return rc; |
|
} |
|
ctx->flags |= BNXT_CTX_FLAG_INITED; |
|
return 0; |
|
} |
|
|
|
int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp, bool all) |
|
{ |
|
struct hwrm_func_resource_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_func_resource_qcaps_input req = {0}; |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESOURCE_QCAPS, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message_silent(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto hwrm_func_resc_qcaps_exit; |
|
|
|
hw_resc->max_tx_sch_inputs = le16_to_cpu(resp->max_tx_scheduler_inputs); |
|
if (!all) |
|
goto hwrm_func_resc_qcaps_exit; |
|
|
|
hw_resc->min_rsscos_ctxs = le16_to_cpu(resp->min_rsscos_ctx); |
|
hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); |
|
hw_resc->min_cp_rings = le16_to_cpu(resp->min_cmpl_rings); |
|
hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); |
|
hw_resc->min_tx_rings = le16_to_cpu(resp->min_tx_rings); |
|
hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings); |
|
hw_resc->min_rx_rings = le16_to_cpu(resp->min_rx_rings); |
|
hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings); |
|
hw_resc->min_hw_ring_grps = le16_to_cpu(resp->min_hw_ring_grps); |
|
hw_resc->max_hw_ring_grps = le16_to_cpu(resp->max_hw_ring_grps); |
|
hw_resc->min_l2_ctxs = le16_to_cpu(resp->min_l2_ctxs); |
|
hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); |
|
hw_resc->min_vnics = le16_to_cpu(resp->min_vnics); |
|
hw_resc->max_vnics = le16_to_cpu(resp->max_vnics); |
|
hw_resc->min_stat_ctxs = le16_to_cpu(resp->min_stat_ctx); |
|
hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
u16 max_msix = le16_to_cpu(resp->max_msix); |
|
|
|
hw_resc->max_nqs = max_msix; |
|
hw_resc->max_hw_ring_grps = hw_resc->max_rx_rings; |
|
} |
|
|
|
if (BNXT_PF(bp)) { |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
|
|
pf->vf_resv_strategy = |
|
le16_to_cpu(resp->vf_reservation_strategy); |
|
if (pf->vf_resv_strategy > BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) |
|
pf->vf_resv_strategy = BNXT_VF_RESV_STRATEGY_MAXIMAL; |
|
} |
|
hwrm_func_resc_qcaps_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) |
|
{ |
|
int rc = 0; |
|
struct hwrm_func_qcaps_input req = {0}; |
|
struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
u32 flags, flags_ext; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto hwrm_func_qcaps_exit; |
|
|
|
flags = le32_to_cpu(resp->flags); |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V1_SUPPORTED) |
|
bp->flags |= BNXT_FLAG_ROCEV1_CAP; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V2_SUPPORTED) |
|
bp->flags |= BNXT_FLAG_ROCEV2_CAP; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_PCIE_STATS_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_PCIE_STATS_SUPPORTED; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_HOT_RESET_CAPABLE) |
|
bp->fw_cap |= BNXT_FW_CAP_HOT_RESET; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_EXT_STATS_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_EXT_STATS_SUPPORTED; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_ERROR_RECOVERY_CAPABLE) |
|
bp->fw_cap |= BNXT_FW_CAP_ERROR_RECOVERY; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_ERR_RECOVER_RELOAD) |
|
bp->fw_cap |= BNXT_FW_CAP_ERR_RECOVER_RELOAD; |
|
if (!(flags & FUNC_QCAPS_RESP_FLAGS_VLAN_ACCELERATION_TX_DISABLED)) |
|
bp->fw_cap |= BNXT_FW_CAP_VLAN_TX_INSERT; |
|
|
|
flags_ext = le32_to_cpu(resp->flags_ext); |
|
if (flags_ext & FUNC_QCAPS_RESP_FLAGS_EXT_EXT_HW_STATS_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED; |
|
|
|
bp->tx_push_thresh = 0; |
|
if ((flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED) && |
|
BNXT_FW_MAJ(bp) > 217) |
|
bp->tx_push_thresh = BNXT_TX_PUSH_THRESH; |
|
|
|
hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); |
|
hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); |
|
hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings); |
|
hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings); |
|
hw_resc->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps); |
|
if (!hw_resc->max_hw_ring_grps) |
|
hw_resc->max_hw_ring_grps = hw_resc->max_tx_rings; |
|
hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); |
|
hw_resc->max_vnics = le16_to_cpu(resp->max_vnics); |
|
hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); |
|
|
|
if (BNXT_PF(bp)) { |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
|
|
pf->fw_fid = le16_to_cpu(resp->fid); |
|
pf->port_id = le16_to_cpu(resp->port_id); |
|
memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN); |
|
pf->first_vf_id = le16_to_cpu(resp->first_vf_id); |
|
pf->max_vfs = le16_to_cpu(resp->max_vfs); |
|
pf->max_encap_records = le32_to_cpu(resp->max_encap_records); |
|
pf->max_decap_records = le32_to_cpu(resp->max_decap_records); |
|
pf->max_tx_em_flows = le32_to_cpu(resp->max_tx_em_flows); |
|
pf->max_tx_wm_flows = le32_to_cpu(resp->max_tx_wm_flows); |
|
pf->max_rx_em_flows = le32_to_cpu(resp->max_rx_em_flows); |
|
pf->max_rx_wm_flows = le32_to_cpu(resp->max_rx_wm_flows); |
|
bp->flags &= ~BNXT_FLAG_WOL_CAP; |
|
if (flags & FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED) |
|
bp->flags |= BNXT_FLAG_WOL_CAP; |
|
} else { |
|
#ifdef CONFIG_BNXT_SRIOV |
|
struct bnxt_vf_info *vf = &bp->vf; |
|
|
|
vf->fw_fid = le16_to_cpu(resp->fid); |
|
memcpy(vf->mac_addr, resp->mac_address, ETH_ALEN); |
|
#endif |
|
} |
|
|
|
hwrm_func_qcaps_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_queue_qportcfg(struct bnxt *bp); |
|
|
|
static int bnxt_hwrm_func_qcaps(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
rc = __bnxt_hwrm_func_qcaps(bp); |
|
if (rc) |
|
return rc; |
|
rc = bnxt_hwrm_queue_qportcfg(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm query qportcfg failure rc: %d\n", rc); |
|
return rc; |
|
} |
|
if (bp->hwrm_spec_code >= 0x10803) { |
|
rc = bnxt_alloc_ctx_mem(bp); |
|
if (rc) |
|
return rc; |
|
rc = bnxt_hwrm_func_resc_qcaps(bp, true); |
|
if (!rc) |
|
bp->fw_cap |= BNXT_FW_CAP_NEW_RM; |
|
} |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(struct bnxt *bp) |
|
{ |
|
struct hwrm_cfa_adv_flow_mgnt_qcaps_input req = {0}; |
|
struct hwrm_cfa_adv_flow_mgnt_qcaps_output *resp; |
|
int rc = 0; |
|
u32 flags; |
|
|
|
if (!(bp->fw_cap & BNXT_FW_CAP_CFA_ADV_FLOW)) |
|
return 0; |
|
|
|
resp = bp->hwrm_cmd_resp_addr; |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_ADV_FLOW_MGNT_QCAPS, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto hwrm_cfa_adv_qcaps_exit; |
|
|
|
flags = le32_to_cpu(resp->flags); |
|
if (flags & |
|
CFA_ADV_FLOW_MGNT_QCAPS_RESP_FLAGS_RFS_RING_TBL_IDX_V2_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2; |
|
|
|
hwrm_cfa_adv_qcaps_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int __bnxt_alloc_fw_health(struct bnxt *bp) |
|
{ |
|
if (bp->fw_health) |
|
return 0; |
|
|
|
bp->fw_health = kzalloc(sizeof(*bp->fw_health), GFP_KERNEL); |
|
if (!bp->fw_health) |
|
return -ENOMEM; |
|
|
|
return 0; |
|
} |
|
|
|
static int bnxt_alloc_fw_health(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET) && |
|
!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) |
|
return 0; |
|
|
|
rc = __bnxt_alloc_fw_health(bp); |
|
if (rc) { |
|
bp->fw_cap &= ~BNXT_FW_CAP_HOT_RESET; |
|
bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; |
|
return rc; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void __bnxt_map_fw_health_reg(struct bnxt *bp, u32 reg) |
|
{ |
|
writel(reg & BNXT_GRC_BASE_MASK, bp->bar0 + |
|
BNXT_GRCPF_REG_WINDOW_BASE_OUT + |
|
BNXT_FW_HEALTH_WIN_MAP_OFF); |
|
} |
|
|
|
static void bnxt_try_map_fw_health_reg(struct bnxt *bp) |
|
{ |
|
void __iomem *hs; |
|
u32 status_loc; |
|
u32 reg_type; |
|
u32 sig; |
|
|
|
__bnxt_map_fw_health_reg(bp, HCOMM_STATUS_STRUCT_LOC); |
|
hs = bp->bar0 + BNXT_FW_HEALTH_WIN_OFF(HCOMM_STATUS_STRUCT_LOC); |
|
|
|
sig = readl(hs + offsetof(struct hcomm_status, sig_ver)); |
|
if ((sig & HCOMM_STATUS_SIGNATURE_MASK) != HCOMM_STATUS_SIGNATURE_VAL) { |
|
if (bp->fw_health) |
|
bp->fw_health->status_reliable = false; |
|
return; |
|
} |
|
|
|
if (__bnxt_alloc_fw_health(bp)) { |
|
netdev_warn(bp->dev, "no memory for firmware status checks\n"); |
|
return; |
|
} |
|
|
|
status_loc = readl(hs + offsetof(struct hcomm_status, fw_status_loc)); |
|
bp->fw_health->regs[BNXT_FW_HEALTH_REG] = status_loc; |
|
reg_type = BNXT_FW_HEALTH_REG_TYPE(status_loc); |
|
if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC) { |
|
__bnxt_map_fw_health_reg(bp, status_loc); |
|
bp->fw_health->mapped_regs[BNXT_FW_HEALTH_REG] = |
|
BNXT_FW_HEALTH_WIN_OFF(status_loc); |
|
} |
|
|
|
bp->fw_health->status_reliable = true; |
|
} |
|
|
|
static int bnxt_map_fw_health_regs(struct bnxt *bp) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
u32 reg_base = 0xffffffff; |
|
int i; |
|
|
|
/* Only pre-map the monitoring GRC registers using window 3 */ |
|
for (i = 0; i < 4; i++) { |
|
u32 reg = fw_health->regs[i]; |
|
|
|
if (BNXT_FW_HEALTH_REG_TYPE(reg) != BNXT_FW_HEALTH_REG_TYPE_GRC) |
|
continue; |
|
if (reg_base == 0xffffffff) |
|
reg_base = reg & BNXT_GRC_BASE_MASK; |
|
if ((reg & BNXT_GRC_BASE_MASK) != reg_base) |
|
return -ERANGE; |
|
fw_health->mapped_regs[i] = BNXT_FW_HEALTH_WIN_OFF(reg); |
|
} |
|
if (reg_base == 0xffffffff) |
|
return 0; |
|
|
|
__bnxt_map_fw_health_reg(bp, reg_base); |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp) |
|
{ |
|
struct hwrm_error_recovery_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
struct hwrm_error_recovery_qcfg_input req = {0}; |
|
int rc, i; |
|
|
|
if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_ERROR_RECOVERY_QCFG, -1, -1); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto err_recovery_out; |
|
fw_health->flags = le32_to_cpu(resp->flags); |
|
if ((fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) && |
|
!(bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL)) { |
|
rc = -EINVAL; |
|
goto err_recovery_out; |
|
} |
|
fw_health->polling_dsecs = le32_to_cpu(resp->driver_polling_freq); |
|
fw_health->master_func_wait_dsecs = |
|
le32_to_cpu(resp->master_func_wait_period); |
|
fw_health->normal_func_wait_dsecs = |
|
le32_to_cpu(resp->normal_func_wait_period); |
|
fw_health->post_reset_wait_dsecs = |
|
le32_to_cpu(resp->master_func_wait_period_after_reset); |
|
fw_health->post_reset_max_wait_dsecs = |
|
le32_to_cpu(resp->max_bailout_time_after_reset); |
|
fw_health->regs[BNXT_FW_HEALTH_REG] = |
|
le32_to_cpu(resp->fw_health_status_reg); |
|
fw_health->regs[BNXT_FW_HEARTBEAT_REG] = |
|
le32_to_cpu(resp->fw_heartbeat_reg); |
|
fw_health->regs[BNXT_FW_RESET_CNT_REG] = |
|
le32_to_cpu(resp->fw_reset_cnt_reg); |
|
fw_health->regs[BNXT_FW_RESET_INPROG_REG] = |
|
le32_to_cpu(resp->reset_inprogress_reg); |
|
fw_health->fw_reset_inprog_reg_mask = |
|
le32_to_cpu(resp->reset_inprogress_reg_mask); |
|
fw_health->fw_reset_seq_cnt = resp->reg_array_cnt; |
|
if (fw_health->fw_reset_seq_cnt >= 16) { |
|
rc = -EINVAL; |
|
goto err_recovery_out; |
|
} |
|
for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) { |
|
fw_health->fw_reset_seq_regs[i] = |
|
le32_to_cpu(resp->reset_reg[i]); |
|
fw_health->fw_reset_seq_vals[i] = |
|
le32_to_cpu(resp->reset_reg_val[i]); |
|
fw_health->fw_reset_seq_delay_msec[i] = |
|
resp->delay_after_reset[i]; |
|
} |
|
err_recovery_out: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
if (!rc) |
|
rc = bnxt_map_fw_health_regs(bp); |
|
if (rc) |
|
bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_func_reset(struct bnxt *bp) |
|
{ |
|
struct hwrm_func_reset_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESET, -1, -1); |
|
req.enables = 0; |
|
|
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_RESET_TIMEOUT); |
|
} |
|
|
|
static void bnxt_nvm_cfg_ver_get(struct bnxt *bp) |
|
{ |
|
struct hwrm_nvm_get_dev_info_output nvm_info; |
|
|
|
if (!bnxt_hwrm_nvm_get_dev_info(bp, &nvm_info)) |
|
snprintf(bp->nvm_cfg_ver, FW_VER_STR_LEN, "%d.%d.%d", |
|
nvm_info.nvm_cfg_ver_maj, nvm_info.nvm_cfg_ver_min, |
|
nvm_info.nvm_cfg_ver_upd); |
|
} |
|
|
|
static int bnxt_hwrm_queue_qportcfg(struct bnxt *bp) |
|
{ |
|
int rc = 0; |
|
struct hwrm_queue_qportcfg_input req = {0}; |
|
struct hwrm_queue_qportcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
u8 i, j, *qptr; |
|
bool no_rdma; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_QPORTCFG, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto qportcfg_exit; |
|
|
|
if (!resp->max_configurable_queues) { |
|
rc = -EINVAL; |
|
goto qportcfg_exit; |
|
} |
|
bp->max_tc = resp->max_configurable_queues; |
|
bp->max_lltc = resp->max_configurable_lossless_queues; |
|
if (bp->max_tc > BNXT_MAX_QUEUE) |
|
bp->max_tc = BNXT_MAX_QUEUE; |
|
|
|
no_rdma = !(bp->flags & BNXT_FLAG_ROCE_CAP); |
|
qptr = &resp->queue_id0; |
|
for (i = 0, j = 0; i < bp->max_tc; i++) { |
|
bp->q_info[j].queue_id = *qptr; |
|
bp->q_ids[i] = *qptr++; |
|
bp->q_info[j].queue_profile = *qptr++; |
|
bp->tc_to_qidx[j] = j; |
|
if (!BNXT_CNPQ(bp->q_info[j].queue_profile) || |
|
(no_rdma && BNXT_PF(bp))) |
|
j++; |
|
} |
|
bp->max_q = bp->max_tc; |
|
bp->max_tc = max_t(u8, j, 1); |
|
|
|
if (resp->queue_cfg_info & QUEUE_QPORTCFG_RESP_QUEUE_CFG_INFO_ASYM_CFG) |
|
bp->max_tc = 1; |
|
|
|
if (bp->max_lltc > bp->max_tc) |
|
bp->max_lltc = bp->max_tc; |
|
|
|
qportcfg_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int __bnxt_hwrm_ver_get(struct bnxt *bp, bool silent) |
|
{ |
|
struct hwrm_ver_get_input req = {0}; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET, -1, -1); |
|
req.hwrm_intf_maj = HWRM_VERSION_MAJOR; |
|
req.hwrm_intf_min = HWRM_VERSION_MINOR; |
|
req.hwrm_intf_upd = HWRM_VERSION_UPDATE; |
|
|
|
rc = bnxt_hwrm_do_send_msg(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT, |
|
silent); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_ver_get(struct bnxt *bp) |
|
{ |
|
struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr; |
|
u16 fw_maj, fw_min, fw_bld, fw_rsv; |
|
u32 dev_caps_cfg, hwrm_ver; |
|
int rc, len; |
|
|
|
bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN; |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = __bnxt_hwrm_ver_get(bp, false); |
|
if (rc) |
|
goto hwrm_ver_get_exit; |
|
|
|
memcpy(&bp->ver_resp, resp, sizeof(struct hwrm_ver_get_output)); |
|
|
|
bp->hwrm_spec_code = resp->hwrm_intf_maj_8b << 16 | |
|
resp->hwrm_intf_min_8b << 8 | |
|
resp->hwrm_intf_upd_8b; |
|
if (resp->hwrm_intf_maj_8b < 1) { |
|
netdev_warn(bp->dev, "HWRM interface %d.%d.%d is older than 1.0.0.\n", |
|
resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b, |
|
resp->hwrm_intf_upd_8b); |
|
netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n"); |
|
} |
|
|
|
hwrm_ver = HWRM_VERSION_MAJOR << 16 | HWRM_VERSION_MINOR << 8 | |
|
HWRM_VERSION_UPDATE; |
|
|
|
if (bp->hwrm_spec_code > hwrm_ver) |
|
snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d", |
|
HWRM_VERSION_MAJOR, HWRM_VERSION_MINOR, |
|
HWRM_VERSION_UPDATE); |
|
else |
|
snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d", |
|
resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b, |
|
resp->hwrm_intf_upd_8b); |
|
|
|
fw_maj = le16_to_cpu(resp->hwrm_fw_major); |
|
if (bp->hwrm_spec_code > 0x10803 && fw_maj) { |
|
fw_min = le16_to_cpu(resp->hwrm_fw_minor); |
|
fw_bld = le16_to_cpu(resp->hwrm_fw_build); |
|
fw_rsv = le16_to_cpu(resp->hwrm_fw_patch); |
|
len = FW_VER_STR_LEN; |
|
} else { |
|
fw_maj = resp->hwrm_fw_maj_8b; |
|
fw_min = resp->hwrm_fw_min_8b; |
|
fw_bld = resp->hwrm_fw_bld_8b; |
|
fw_rsv = resp->hwrm_fw_rsvd_8b; |
|
len = BC_HWRM_STR_LEN; |
|
} |
|
bp->fw_ver_code = BNXT_FW_VER_CODE(fw_maj, fw_min, fw_bld, fw_rsv); |
|
snprintf(bp->fw_ver_str, len, "%d.%d.%d.%d", fw_maj, fw_min, fw_bld, |
|
fw_rsv); |
|
|
|
if (strlen(resp->active_pkg_name)) { |
|
int fw_ver_len = strlen(bp->fw_ver_str); |
|
|
|
snprintf(bp->fw_ver_str + fw_ver_len, |
|
FW_VER_STR_LEN - fw_ver_len - 1, "/pkg %s", |
|
resp->active_pkg_name); |
|
bp->fw_cap |= BNXT_FW_CAP_PKG_VER; |
|
} |
|
|
|
bp->hwrm_cmd_timeout = le16_to_cpu(resp->def_req_timeout); |
|
if (!bp->hwrm_cmd_timeout) |
|
bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT; |
|
|
|
if (resp->hwrm_intf_maj_8b >= 1) { |
|
bp->hwrm_max_req_len = le16_to_cpu(resp->max_req_win_len); |
|
bp->hwrm_max_ext_req_len = le16_to_cpu(resp->max_ext_req_len); |
|
} |
|
if (bp->hwrm_max_ext_req_len < HWRM_MAX_REQ_LEN) |
|
bp->hwrm_max_ext_req_len = HWRM_MAX_REQ_LEN; |
|
|
|
bp->chip_num = le16_to_cpu(resp->chip_num); |
|
bp->chip_rev = resp->chip_rev; |
|
if (bp->chip_num == CHIP_NUM_58700 && !resp->chip_rev && |
|
!resp->chip_metal) |
|
bp->flags |= BNXT_FLAG_CHIP_NITRO_A0; |
|
|
|
dev_caps_cfg = le32_to_cpu(resp->dev_caps_cfg); |
|
if ((dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_SUPPORTED) && |
|
(dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_REQUIRED)) |
|
bp->fw_cap |= BNXT_FW_CAP_SHORT_CMD; |
|
|
|
if (dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_KONG_MB_CHNL_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_KONG_MB_CHNL; |
|
|
|
if (dev_caps_cfg & |
|
VER_GET_RESP_DEV_CAPS_CFG_FLOW_HANDLE_64BIT_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_OVS_64BIT_HANDLE; |
|
|
|
if (dev_caps_cfg & |
|
VER_GET_RESP_DEV_CAPS_CFG_TRUSTED_VF_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_TRUSTED_VF; |
|
|
|
if (dev_caps_cfg & |
|
VER_GET_RESP_DEV_CAPS_CFG_CFA_ADV_FLOW_MGNT_SUPPORTED) |
|
bp->fw_cap |= BNXT_FW_CAP_CFA_ADV_FLOW; |
|
|
|
hwrm_ver_get_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
int bnxt_hwrm_fw_set_time(struct bnxt *bp) |
|
{ |
|
struct hwrm_fw_set_time_input req = {0}; |
|
struct tm tm; |
|
time64_t now = ktime_get_real_seconds(); |
|
|
|
if ((BNXT_VF(bp) && bp->hwrm_spec_code < 0x10901) || |
|
bp->hwrm_spec_code < 0x10400) |
|
return -EOPNOTSUPP; |
|
|
|
time64_to_tm(now, 0, &tm); |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_SET_TIME, -1, -1); |
|
req.year = cpu_to_le16(1900 + tm.tm_year); |
|
req.month = 1 + tm.tm_mon; |
|
req.day = tm.tm_mday; |
|
req.hour = tm.tm_hour; |
|
req.minute = tm.tm_min; |
|
req.second = tm.tm_sec; |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static void bnxt_add_one_ctr(u64 hw, u64 *sw, u64 mask) |
|
{ |
|
u64 sw_tmp; |
|
|
|
hw &= mask; |
|
sw_tmp = (*sw & ~mask) | hw; |
|
if (hw < (*sw & mask)) |
|
sw_tmp += mask + 1; |
|
WRITE_ONCE(*sw, sw_tmp); |
|
} |
|
|
|
static void __bnxt_accumulate_stats(__le64 *hw_stats, u64 *sw_stats, u64 *masks, |
|
int count, bool ignore_zero) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < count; i++) { |
|
u64 hw = le64_to_cpu(READ_ONCE(hw_stats[i])); |
|
|
|
if (ignore_zero && !hw) |
|
continue; |
|
|
|
if (masks[i] == -1ULL) |
|
sw_stats[i] = hw; |
|
else |
|
bnxt_add_one_ctr(hw, &sw_stats[i], masks[i]); |
|
} |
|
} |
|
|
|
static void bnxt_accumulate_stats(struct bnxt_stats_mem *stats) |
|
{ |
|
if (!stats->hw_stats) |
|
return; |
|
|
|
__bnxt_accumulate_stats(stats->hw_stats, stats->sw_stats, |
|
stats->hw_masks, stats->len / 8, false); |
|
} |
|
|
|
static void bnxt_accumulate_all_stats(struct bnxt *bp) |
|
{ |
|
struct bnxt_stats_mem *ring0_stats; |
|
bool ignore_zero = false; |
|
int i; |
|
|
|
/* Chip bug. Counter intermittently becomes 0. */ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
ignore_zero = true; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
struct bnxt_stats_mem *stats; |
|
|
|
cpr = &bnapi->cp_ring; |
|
stats = &cpr->stats; |
|
if (!i) |
|
ring0_stats = stats; |
|
__bnxt_accumulate_stats(stats->hw_stats, stats->sw_stats, |
|
ring0_stats->hw_masks, |
|
ring0_stats->len / 8, ignore_zero); |
|
} |
|
if (bp->flags & BNXT_FLAG_PORT_STATS) { |
|
struct bnxt_stats_mem *stats = &bp->port_stats; |
|
__le64 *hw_stats = stats->hw_stats; |
|
u64 *sw_stats = stats->sw_stats; |
|
u64 *masks = stats->hw_masks; |
|
int cnt; |
|
|
|
cnt = sizeof(struct rx_port_stats) / 8; |
|
__bnxt_accumulate_stats(hw_stats, sw_stats, masks, cnt, false); |
|
|
|
hw_stats += BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
sw_stats += BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
masks += BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
cnt = sizeof(struct tx_port_stats) / 8; |
|
__bnxt_accumulate_stats(hw_stats, sw_stats, masks, cnt, false); |
|
} |
|
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { |
|
bnxt_accumulate_stats(&bp->rx_port_stats_ext); |
|
bnxt_accumulate_stats(&bp->tx_port_stats_ext); |
|
} |
|
} |
|
|
|
static int bnxt_hwrm_port_qstats(struct bnxt *bp, u8 flags) |
|
{ |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
struct hwrm_port_qstats_input req = {0}; |
|
|
|
if (!(bp->flags & BNXT_FLAG_PORT_STATS)) |
|
return 0; |
|
|
|
if (flags && !(bp->fw_cap & BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED)) |
|
return -EOPNOTSUPP; |
|
|
|
req.flags = flags; |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS, -1, -1); |
|
req.port_id = cpu_to_le16(pf->port_id); |
|
req.tx_stat_host_addr = cpu_to_le64(bp->port_stats.hw_stats_map + |
|
BNXT_TX_PORT_STATS_BYTE_OFFSET); |
|
req.rx_stat_host_addr = cpu_to_le64(bp->port_stats.hw_stats_map); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp, u8 flags) |
|
{ |
|
struct hwrm_port_qstats_ext_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_queue_pri2cos_qcfg_input req2 = {0}; |
|
struct hwrm_port_qstats_ext_input req = {0}; |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
u32 tx_stat_size; |
|
int rc; |
|
|
|
if (!(bp->flags & BNXT_FLAG_PORT_STATS_EXT)) |
|
return 0; |
|
|
|
if (flags && !(bp->fw_cap & BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED)) |
|
return -EOPNOTSUPP; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS_EXT, -1, -1); |
|
req.flags = flags; |
|
req.port_id = cpu_to_le16(pf->port_id); |
|
req.rx_stat_size = cpu_to_le16(sizeof(struct rx_port_stats_ext)); |
|
req.rx_stat_host_addr = cpu_to_le64(bp->rx_port_stats_ext.hw_stats_map); |
|
tx_stat_size = bp->tx_port_stats_ext.hw_stats ? |
|
sizeof(struct tx_port_stats_ext) : 0; |
|
req.tx_stat_size = cpu_to_le16(tx_stat_size); |
|
req.tx_stat_host_addr = cpu_to_le64(bp->tx_port_stats_ext.hw_stats_map); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
bp->fw_rx_stats_ext_size = le16_to_cpu(resp->rx_stat_size) / 8; |
|
bp->fw_tx_stats_ext_size = tx_stat_size ? |
|
le16_to_cpu(resp->tx_stat_size) / 8 : 0; |
|
} else { |
|
bp->fw_rx_stats_ext_size = 0; |
|
bp->fw_tx_stats_ext_size = 0; |
|
} |
|
if (flags) |
|
goto qstats_done; |
|
|
|
if (bp->fw_tx_stats_ext_size <= |
|
offsetof(struct tx_port_stats_ext, pfc_pri0_tx_duration_us) / 8) { |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
bp->pri2cos_valid = 0; |
|
return rc; |
|
} |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req2, HWRM_QUEUE_PRI2COS_QCFG, -1, -1); |
|
req2.flags = cpu_to_le32(QUEUE_PRI2COS_QCFG_REQ_FLAGS_IVLAN); |
|
|
|
rc = _hwrm_send_message(bp, &req2, sizeof(req2), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
struct hwrm_queue_pri2cos_qcfg_output *resp2; |
|
u8 *pri2cos; |
|
int i, j; |
|
|
|
resp2 = bp->hwrm_cmd_resp_addr; |
|
pri2cos = &resp2->pri0_cos_queue_id; |
|
for (i = 0; i < 8; i++) { |
|
u8 queue_id = pri2cos[i]; |
|
u8 queue_idx; |
|
|
|
/* Per port queue IDs start from 0, 10, 20, etc */ |
|
queue_idx = queue_id % 10; |
|
if (queue_idx > BNXT_MAX_QUEUE) { |
|
bp->pri2cos_valid = false; |
|
goto qstats_done; |
|
} |
|
for (j = 0; j < bp->max_q; j++) { |
|
if (bp->q_ids[j] == queue_id) |
|
bp->pri2cos_idx[i] = queue_idx; |
|
} |
|
} |
|
bp->pri2cos_valid = 1; |
|
} |
|
qstats_done: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_hwrm_free_tunnel_ports(struct bnxt *bp) |
|
{ |
|
if (bp->vxlan_fw_dst_port_id != INVALID_HW_RING_ID) |
|
bnxt_hwrm_tunnel_dst_port_free( |
|
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN); |
|
if (bp->nge_fw_dst_port_id != INVALID_HW_RING_ID) |
|
bnxt_hwrm_tunnel_dst_port_free( |
|
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE); |
|
} |
|
|
|
static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa) |
|
{ |
|
int rc, i; |
|
u32 tpa_flags = 0; |
|
|
|
if (set_tpa) |
|
tpa_flags = bp->flags & BNXT_FLAG_TPA; |
|
else if (BNXT_NO_FW_ACCESS(bp)) |
|
return 0; |
|
for (i = 0; i < bp->nr_vnics; i++) { |
|
rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic set tpa failure rc for vnic %d: %x\n", |
|
i, rc); |
|
return rc; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_hwrm_clear_vnic_rss(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->nr_vnics; i++) |
|
bnxt_hwrm_vnic_set_rss(bp, i, false); |
|
} |
|
|
|
static void bnxt_clear_vnic(struct bnxt *bp) |
|
{ |
|
if (!bp->vnic_info) |
|
return; |
|
|
|
bnxt_hwrm_clear_vnic_filter(bp); |
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) { |
|
/* clear all RSS setting before free vnic ctx */ |
|
bnxt_hwrm_clear_vnic_rss(bp); |
|
bnxt_hwrm_vnic_ctx_free(bp); |
|
} |
|
/* before free the vnic, undo the vnic tpa settings */ |
|
if (bp->flags & BNXT_FLAG_TPA) |
|
bnxt_set_tpa(bp, false); |
|
bnxt_hwrm_vnic_free(bp); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
bnxt_hwrm_vnic_ctx_free(bp); |
|
} |
|
|
|
static void bnxt_hwrm_resource_free(struct bnxt *bp, bool close_path, |
|
bool irq_re_init) |
|
{ |
|
bnxt_clear_vnic(bp); |
|
bnxt_hwrm_ring_free(bp, close_path); |
|
bnxt_hwrm_ring_grp_free(bp); |
|
if (irq_re_init) { |
|
bnxt_hwrm_stat_ctx_free(bp); |
|
bnxt_hwrm_free_tunnel_ports(bp); |
|
} |
|
} |
|
|
|
static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode) |
|
{ |
|
struct hwrm_func_cfg_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_EVB_MODE); |
|
if (br_mode == BRIDGE_MODE_VEB) |
|
req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEB; |
|
else if (br_mode == BRIDGE_MODE_VEPA) |
|
req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEPA; |
|
else |
|
return -EINVAL; |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size) |
|
{ |
|
struct hwrm_func_cfg_input req = {0}; |
|
|
|
if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10803) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_CACHE_LINESIZE); |
|
req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_64; |
|
if (size == 128) |
|
req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_128; |
|
|
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int __bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; |
|
int rc; |
|
|
|
if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG) |
|
goto skip_rss_ctx; |
|
|
|
/* allocate context for vnic */ |
|
rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 0); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n", |
|
vnic_id, rc); |
|
goto vnic_setup_err; |
|
} |
|
bp->rsscos_nr_ctxs++; |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) { |
|
rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 1); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d cos ctx alloc failure rc: %x\n", |
|
vnic_id, rc); |
|
goto vnic_setup_err; |
|
} |
|
bp->rsscos_nr_ctxs++; |
|
} |
|
|
|
skip_rss_ctx: |
|
/* configure default vnic, ring grp */ |
|
rc = bnxt_hwrm_vnic_cfg(bp, vnic_id); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d cfg failure rc: %x\n", |
|
vnic_id, rc); |
|
goto vnic_setup_err; |
|
} |
|
|
|
/* Enable RSS hashing on vnic */ |
|
rc = bnxt_hwrm_vnic_set_rss(bp, vnic_id, true); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d set rss failure rc: %x\n", |
|
vnic_id, rc); |
|
goto vnic_setup_err; |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) { |
|
rc = bnxt_hwrm_vnic_set_hds(bp, vnic_id); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d set hds failure rc: %x\n", |
|
vnic_id, rc); |
|
} |
|
} |
|
|
|
vnic_setup_err: |
|
return rc; |
|
} |
|
|
|
static int __bnxt_setup_vnic_p5(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
int rc, i, nr_ctxs; |
|
|
|
nr_ctxs = bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings); |
|
for (i = 0; i < nr_ctxs; i++) { |
|
rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, i); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d ctx %d alloc failure rc: %x\n", |
|
vnic_id, i, rc); |
|
break; |
|
} |
|
bp->rsscos_nr_ctxs++; |
|
} |
|
if (i < nr_ctxs) |
|
return -ENOMEM; |
|
|
|
rc = bnxt_hwrm_vnic_set_rss_p5(bp, vnic_id, true); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d set rss failure rc: %d\n", |
|
vnic_id, rc); |
|
return rc; |
|
} |
|
rc = bnxt_hwrm_vnic_cfg(bp, vnic_id); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d cfg failure rc: %x\n", |
|
vnic_id, rc); |
|
return rc; |
|
} |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) { |
|
rc = bnxt_hwrm_vnic_set_hds(bp, vnic_id); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d set hds failure rc: %x\n", |
|
vnic_id, rc); |
|
} |
|
} |
|
return rc; |
|
} |
|
|
|
static int bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return __bnxt_setup_vnic_p5(bp, vnic_id); |
|
else |
|
return __bnxt_setup_vnic(bp, vnic_id); |
|
} |
|
|
|
static int bnxt_alloc_rfs_vnics(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_RFS_ACCEL |
|
int i, rc = 0; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return 0; |
|
|
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_vnic_info *vnic; |
|
u16 vnic_id = i + 1; |
|
u16 ring_id = i; |
|
|
|
if (vnic_id >= bp->nr_vnics) |
|
break; |
|
|
|
vnic = &bp->vnic_info[vnic_id]; |
|
vnic->flags |= BNXT_VNIC_RFS_FLAG; |
|
if (bp->flags & BNXT_FLAG_NEW_RSS_CAP) |
|
vnic->flags |= BNXT_VNIC_RFS_NEW_RSS_FLAG; |
|
rc = bnxt_hwrm_vnic_alloc(bp, vnic_id, ring_id, 1); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n", |
|
vnic_id, rc); |
|
break; |
|
} |
|
rc = bnxt_setup_vnic(bp, vnic_id); |
|
if (rc) |
|
break; |
|
} |
|
return rc; |
|
#else |
|
return 0; |
|
#endif |
|
} |
|
|
|
/* Allow PF and VF with default VLAN to be in promiscuous mode */ |
|
static bool bnxt_promisc_ok(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (BNXT_VF(bp) && !bp->vf.vlan) |
|
return false; |
|
#endif |
|
return true; |
|
} |
|
|
|
static int bnxt_setup_nitroa0_vnic(struct bnxt *bp) |
|
{ |
|
unsigned int rc = 0; |
|
|
|
rc = bnxt_hwrm_vnic_alloc(bp, 1, bp->rx_nr_rings - 1, 1); |
|
if (rc) { |
|
netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n", |
|
rc); |
|
return rc; |
|
} |
|
|
|
rc = bnxt_hwrm_vnic_cfg(bp, 1); |
|
if (rc) { |
|
netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n", |
|
rc); |
|
return rc; |
|
} |
|
return rc; |
|
} |
|
|
|
static int bnxt_cfg_rx_mode(struct bnxt *); |
|
static bool bnxt_mc_list_updated(struct bnxt *, u32 *); |
|
|
|
static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; |
|
int rc = 0; |
|
unsigned int rx_nr_rings = bp->rx_nr_rings; |
|
|
|
if (irq_re_init) { |
|
rc = bnxt_hwrm_stat_ctx_alloc(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm stat ctx alloc failure rc: %x\n", |
|
rc); |
|
goto err_out; |
|
} |
|
} |
|
|
|
rc = bnxt_hwrm_ring_alloc(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm ring alloc failure rc: %x\n", rc); |
|
goto err_out; |
|
} |
|
|
|
rc = bnxt_hwrm_ring_grp_alloc(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm_ring_grp alloc failure: %x\n", rc); |
|
goto err_out; |
|
} |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
rx_nr_rings--; |
|
|
|
/* default vnic 0 */ |
|
rc = bnxt_hwrm_vnic_alloc(bp, 0, 0, rx_nr_rings); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm vnic alloc failure rc: %x\n", rc); |
|
goto err_out; |
|
} |
|
|
|
rc = bnxt_setup_vnic(bp, 0); |
|
if (rc) |
|
goto err_out; |
|
|
|
if (bp->flags & BNXT_FLAG_RFS) { |
|
rc = bnxt_alloc_rfs_vnics(bp); |
|
if (rc) |
|
goto err_out; |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_TPA) { |
|
rc = bnxt_set_tpa(bp, true); |
|
if (rc) |
|
goto err_out; |
|
} |
|
|
|
if (BNXT_VF(bp)) |
|
bnxt_update_vf_mac(bp); |
|
|
|
/* Filter for default vnic 0 */ |
|
rc = bnxt_hwrm_set_vnic_filter(bp, 0, 0, bp->dev->dev_addr); |
|
if (rc) { |
|
netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", rc); |
|
goto err_out; |
|
} |
|
vnic->uc_filter_count = 1; |
|
|
|
vnic->rx_mask = 0; |
|
if (bp->dev->flags & IFF_BROADCAST) |
|
vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST; |
|
|
|
if ((bp->dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp)) |
|
vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS; |
|
|
|
if (bp->dev->flags & IFF_ALLMULTI) { |
|
vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST; |
|
vnic->mc_list_count = 0; |
|
} else { |
|
u32 mask = 0; |
|
|
|
bnxt_mc_list_updated(bp, &mask); |
|
vnic->rx_mask |= mask; |
|
} |
|
|
|
rc = bnxt_cfg_rx_mode(bp); |
|
if (rc) |
|
goto err_out; |
|
|
|
rc = bnxt_hwrm_set_coal(bp); |
|
if (rc) |
|
netdev_warn(bp->dev, "HWRM set coalescing failure rc: %x\n", |
|
rc); |
|
|
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) { |
|
rc = bnxt_setup_nitroa0_vnic(bp); |
|
if (rc) |
|
netdev_err(bp->dev, "Special vnic setup failure for NS2 A0 rc: %x\n", |
|
rc); |
|
} |
|
|
|
if (BNXT_VF(bp)) { |
|
bnxt_hwrm_func_qcfg(bp); |
|
netdev_update_features(bp->dev); |
|
} |
|
|
|
return 0; |
|
|
|
err_out: |
|
bnxt_hwrm_resource_free(bp, 0, true); |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_shutdown_nic(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
bnxt_hwrm_resource_free(bp, 1, irq_re_init); |
|
return 0; |
|
} |
|
|
|
static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
bnxt_init_cp_rings(bp); |
|
bnxt_init_rx_rings(bp); |
|
bnxt_init_tx_rings(bp); |
|
bnxt_init_ring_grps(bp, irq_re_init); |
|
bnxt_init_vnics(bp); |
|
|
|
return bnxt_init_chip(bp, irq_re_init); |
|
} |
|
|
|
static int bnxt_set_real_num_queues(struct bnxt *bp) |
|
{ |
|
int rc; |
|
struct net_device *dev = bp->dev; |
|
|
|
rc = netif_set_real_num_tx_queues(dev, bp->tx_nr_rings - |
|
bp->tx_nr_rings_xdp); |
|
if (rc) |
|
return rc; |
|
|
|
rc = netif_set_real_num_rx_queues(dev, bp->rx_nr_rings); |
|
if (rc) |
|
return rc; |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
if (bp->flags & BNXT_FLAG_RFS) |
|
dev->rx_cpu_rmap = alloc_irq_cpu_rmap(bp->rx_nr_rings); |
|
#endif |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, |
|
bool shared) |
|
{ |
|
int _rx = *rx, _tx = *tx; |
|
|
|
if (shared) { |
|
*rx = min_t(int, _rx, max); |
|
*tx = min_t(int, _tx, max); |
|
} else { |
|
if (max < 2) |
|
return -ENOMEM; |
|
|
|
while (_rx + _tx > max) { |
|
if (_rx > _tx && _rx > 1) |
|
_rx--; |
|
else if (_tx > 1) |
|
_tx--; |
|
} |
|
*rx = _rx; |
|
*tx = _tx; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_setup_msix(struct bnxt *bp) |
|
{ |
|
const int len = sizeof(bp->irq_tbl[0].name); |
|
struct net_device *dev = bp->dev; |
|
int tcs, i; |
|
|
|
tcs = netdev_get_num_tc(dev); |
|
if (tcs) { |
|
int i, off, count; |
|
|
|
for (i = 0; i < tcs; i++) { |
|
count = bp->tx_nr_rings_per_tc; |
|
off = i * count; |
|
netdev_set_tc_queue(dev, i, count, off); |
|
} |
|
} |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
int map_idx = bnxt_cp_num_to_irq_num(bp, i); |
|
char *attr; |
|
|
|
if (bp->flags & BNXT_FLAG_SHARED_RINGS) |
|
attr = "TxRx"; |
|
else if (i < bp->rx_nr_rings) |
|
attr = "rx"; |
|
else |
|
attr = "tx"; |
|
|
|
snprintf(bp->irq_tbl[map_idx].name, len, "%s-%s-%d", dev->name, |
|
attr, i); |
|
bp->irq_tbl[map_idx].handler = bnxt_msix; |
|
} |
|
} |
|
|
|
static void bnxt_setup_inta(struct bnxt *bp) |
|
{ |
|
const int len = sizeof(bp->irq_tbl[0].name); |
|
|
|
if (netdev_get_num_tc(bp->dev)) |
|
netdev_reset_tc(bp->dev); |
|
|
|
snprintf(bp->irq_tbl[0].name, len, "%s-%s-%d", bp->dev->name, "TxRx", |
|
0); |
|
bp->irq_tbl[0].handler = bnxt_inta; |
|
} |
|
|
|
static int bnxt_init_int_mode(struct bnxt *bp); |
|
|
|
static int bnxt_setup_int_mode(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
if (!bp->irq_tbl) { |
|
rc = bnxt_init_int_mode(bp); |
|
if (rc || !bp->irq_tbl) |
|
return rc ?: -ENODEV; |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_USING_MSIX) |
|
bnxt_setup_msix(bp); |
|
else |
|
bnxt_setup_inta(bp); |
|
|
|
rc = bnxt_set_real_num_queues(bp); |
|
return rc; |
|
} |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
static unsigned int bnxt_get_max_func_rss_ctxs(struct bnxt *bp) |
|
{ |
|
return bp->hw_resc.max_rsscos_ctxs; |
|
} |
|
|
|
static unsigned int bnxt_get_max_func_vnics(struct bnxt *bp) |
|
{ |
|
return bp->hw_resc.max_vnics; |
|
} |
|
#endif |
|
|
|
unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp) |
|
{ |
|
return bp->hw_resc.max_stat_ctxs; |
|
} |
|
|
|
unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp) |
|
{ |
|
return bp->hw_resc.max_cp_rings; |
|
} |
|
|
|
static unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp) |
|
{ |
|
unsigned int cp = bp->hw_resc.max_cp_rings; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
cp -= bnxt_get_ulp_msix_num(bp); |
|
|
|
return cp; |
|
} |
|
|
|
static unsigned int bnxt_get_max_func_irqs(struct bnxt *bp) |
|
{ |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_nqs); |
|
|
|
return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_cp_rings); |
|
} |
|
|
|
static void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs) |
|
{ |
|
bp->hw_resc.max_irqs = max_irqs; |
|
} |
|
|
|
unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp) |
|
{ |
|
unsigned int cp; |
|
|
|
cp = bnxt_get_max_func_cp_rings_for_en(bp); |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return cp - bp->rx_nr_rings - bp->tx_nr_rings; |
|
else |
|
return cp - bp->cp_nr_rings; |
|
} |
|
|
|
unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp) |
|
{ |
|
return bnxt_get_max_func_stat_ctxs(bp) - bnxt_get_func_stat_ctxs(bp); |
|
} |
|
|
|
int bnxt_get_avail_msix(struct bnxt *bp, int num) |
|
{ |
|
int max_cp = bnxt_get_max_func_cp_rings(bp); |
|
int max_irq = bnxt_get_max_func_irqs(bp); |
|
int total_req = bp->cp_nr_rings + num; |
|
int max_idx, avail_msix; |
|
|
|
max_idx = bp->total_irqs; |
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
max_idx = min_t(int, bp->total_irqs, max_cp); |
|
avail_msix = max_idx - bp->cp_nr_rings; |
|
if (!BNXT_NEW_RM(bp) || avail_msix >= num) |
|
return avail_msix; |
|
|
|
if (max_irq < total_req) { |
|
num = max_irq - bp->cp_nr_rings; |
|
if (num <= 0) |
|
return 0; |
|
} |
|
return num; |
|
} |
|
|
|
static int bnxt_get_num_msix(struct bnxt *bp) |
|
{ |
|
if (!BNXT_NEW_RM(bp)) |
|
return bnxt_get_max_func_irqs(bp); |
|
|
|
return bnxt_nq_rings_in_use(bp); |
|
} |
|
|
|
static int bnxt_init_msix(struct bnxt *bp) |
|
{ |
|
int i, total_vecs, max, rc = 0, min = 1, ulp_msix; |
|
struct msix_entry *msix_ent; |
|
|
|
total_vecs = bnxt_get_num_msix(bp); |
|
max = bnxt_get_max_func_irqs(bp); |
|
if (total_vecs > max) |
|
total_vecs = max; |
|
|
|
if (!total_vecs) |
|
return 0; |
|
|
|
msix_ent = kcalloc(total_vecs, sizeof(struct msix_entry), GFP_KERNEL); |
|
if (!msix_ent) |
|
return -ENOMEM; |
|
|
|
for (i = 0; i < total_vecs; i++) { |
|
msix_ent[i].entry = i; |
|
msix_ent[i].vector = 0; |
|
} |
|
|
|
if (!(bp->flags & BNXT_FLAG_SHARED_RINGS)) |
|
min = 2; |
|
|
|
total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, min, total_vecs); |
|
ulp_msix = bnxt_get_ulp_msix_num(bp); |
|
if (total_vecs < 0 || total_vecs < ulp_msix) { |
|
rc = -ENODEV; |
|
goto msix_setup_exit; |
|
} |
|
|
|
bp->irq_tbl = kcalloc(total_vecs, sizeof(struct bnxt_irq), GFP_KERNEL); |
|
if (bp->irq_tbl) { |
|
for (i = 0; i < total_vecs; i++) |
|
bp->irq_tbl[i].vector = msix_ent[i].vector; |
|
|
|
bp->total_irqs = total_vecs; |
|
/* Trim rings based upon num of vectors allocated */ |
|
rc = bnxt_trim_rings(bp, &bp->rx_nr_rings, &bp->tx_nr_rings, |
|
total_vecs - ulp_msix, min == 1); |
|
if (rc) |
|
goto msix_setup_exit; |
|
|
|
bp->cp_nr_rings = (min == 1) ? |
|
max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : |
|
bp->tx_nr_rings + bp->rx_nr_rings; |
|
|
|
} else { |
|
rc = -ENOMEM; |
|
goto msix_setup_exit; |
|
} |
|
bp->flags |= BNXT_FLAG_USING_MSIX; |
|
kfree(msix_ent); |
|
return 0; |
|
|
|
msix_setup_exit: |
|
netdev_err(bp->dev, "bnxt_init_msix err: %x\n", rc); |
|
kfree(bp->irq_tbl); |
|
bp->irq_tbl = NULL; |
|
pci_disable_msix(bp->pdev); |
|
kfree(msix_ent); |
|
return rc; |
|
} |
|
|
|
static int bnxt_init_inta(struct bnxt *bp) |
|
{ |
|
bp->irq_tbl = kcalloc(1, sizeof(struct bnxt_irq), GFP_KERNEL); |
|
if (!bp->irq_tbl) |
|
return -ENOMEM; |
|
|
|
bp->total_irqs = 1; |
|
bp->rx_nr_rings = 1; |
|
bp->tx_nr_rings = 1; |
|
bp->cp_nr_rings = 1; |
|
bp->flags |= BNXT_FLAG_SHARED_RINGS; |
|
bp->irq_tbl[0].vector = bp->pdev->irq; |
|
return 0; |
|
} |
|
|
|
static int bnxt_init_int_mode(struct bnxt *bp) |
|
{ |
|
int rc = -ENODEV; |
|
|
|
if (bp->flags & BNXT_FLAG_MSIX_CAP) |
|
rc = bnxt_init_msix(bp); |
|
|
|
if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) { |
|
/* fallback to INTA */ |
|
rc = bnxt_init_inta(bp); |
|
} |
|
return rc; |
|
} |
|
|
|
static void bnxt_clear_int_mode(struct bnxt *bp) |
|
{ |
|
if (bp->flags & BNXT_FLAG_USING_MSIX) |
|
pci_disable_msix(bp->pdev); |
|
|
|
kfree(bp->irq_tbl); |
|
bp->irq_tbl = NULL; |
|
bp->flags &= ~BNXT_FLAG_USING_MSIX; |
|
} |
|
|
|
int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init) |
|
{ |
|
int tcs = netdev_get_num_tc(bp->dev); |
|
bool irq_cleared = false; |
|
int rc; |
|
|
|
if (!bnxt_need_reserve_rings(bp)) |
|
return 0; |
|
|
|
if (irq_re_init && BNXT_NEW_RM(bp) && |
|
bnxt_get_num_msix(bp) != bp->total_irqs) { |
|
bnxt_ulp_irq_stop(bp); |
|
bnxt_clear_int_mode(bp); |
|
irq_cleared = true; |
|
} |
|
rc = __bnxt_reserve_rings(bp); |
|
if (irq_cleared) { |
|
if (!rc) |
|
rc = bnxt_init_int_mode(bp); |
|
bnxt_ulp_irq_restart(bp, rc); |
|
} |
|
if (rc) { |
|
netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc); |
|
return rc; |
|
} |
|
if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) { |
|
netdev_err(bp->dev, "tx ring reservation failure\n"); |
|
netdev_reset_tc(bp->dev); |
|
bp->tx_nr_rings_per_tc = bp->tx_nr_rings; |
|
return -ENOMEM; |
|
} |
|
return 0; |
|
} |
|
|
|
static void bnxt_free_irq(struct bnxt *bp) |
|
{ |
|
struct bnxt_irq *irq; |
|
int i; |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
free_irq_cpu_rmap(bp->dev->rx_cpu_rmap); |
|
bp->dev->rx_cpu_rmap = NULL; |
|
#endif |
|
if (!bp->irq_tbl || !bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
int map_idx = bnxt_cp_num_to_irq_num(bp, i); |
|
|
|
irq = &bp->irq_tbl[map_idx]; |
|
if (irq->requested) { |
|
if (irq->have_cpumask) { |
|
irq_set_affinity_hint(irq->vector, NULL); |
|
free_cpumask_var(irq->cpu_mask); |
|
irq->have_cpumask = 0; |
|
} |
|
free_irq(irq->vector, bp->bnapi[i]); |
|
} |
|
|
|
irq->requested = 0; |
|
} |
|
} |
|
|
|
static int bnxt_request_irq(struct bnxt *bp) |
|
{ |
|
int i, j, rc = 0; |
|
unsigned long flags = 0; |
|
#ifdef CONFIG_RFS_ACCEL |
|
struct cpu_rmap *rmap; |
|
#endif |
|
|
|
rc = bnxt_setup_int_mode(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_setup_int_mode err: %x\n", |
|
rc); |
|
return rc; |
|
} |
|
#ifdef CONFIG_RFS_ACCEL |
|
rmap = bp->dev->rx_cpu_rmap; |
|
#endif |
|
if (!(bp->flags & BNXT_FLAG_USING_MSIX)) |
|
flags = IRQF_SHARED; |
|
|
|
for (i = 0, j = 0; i < bp->cp_nr_rings; i++) { |
|
int map_idx = bnxt_cp_num_to_irq_num(bp, i); |
|
struct bnxt_irq *irq = &bp->irq_tbl[map_idx]; |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
if (rmap && bp->bnapi[i]->rx_ring) { |
|
rc = irq_cpu_rmap_add(rmap, irq->vector); |
|
if (rc) |
|
netdev_warn(bp->dev, "failed adding irq rmap for ring %d\n", |
|
j); |
|
j++; |
|
} |
|
#endif |
|
rc = request_irq(irq->vector, irq->handler, flags, irq->name, |
|
bp->bnapi[i]); |
|
if (rc) |
|
break; |
|
|
|
irq->requested = 1; |
|
|
|
if (zalloc_cpumask_var(&irq->cpu_mask, GFP_KERNEL)) { |
|
int numa_node = dev_to_node(&bp->pdev->dev); |
|
|
|
irq->have_cpumask = 1; |
|
cpumask_set_cpu(cpumask_local_spread(i, numa_node), |
|
irq->cpu_mask); |
|
rc = irq_set_affinity_hint(irq->vector, irq->cpu_mask); |
|
if (rc) { |
|
netdev_warn(bp->dev, |
|
"Set affinity failed, IRQ = %d\n", |
|
irq->vector); |
|
break; |
|
} |
|
} |
|
} |
|
return rc; |
|
} |
|
|
|
static void bnxt_del_napi(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
|
|
__netif_napi_del(&bnapi->napi); |
|
} |
|
/* We called __netif_napi_del(), we need |
|
* to respect an RCU grace period before freeing napi structures. |
|
*/ |
|
synchronize_net(); |
|
} |
|
|
|
static void bnxt_init_napi(struct bnxt *bp) |
|
{ |
|
int i; |
|
unsigned int cp_nr_rings = bp->cp_nr_rings; |
|
struct bnxt_napi *bnapi; |
|
|
|
if (bp->flags & BNXT_FLAG_USING_MSIX) { |
|
int (*poll_fn)(struct napi_struct *, int) = bnxt_poll; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
poll_fn = bnxt_poll_p5; |
|
else if (BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
cp_nr_rings--; |
|
for (i = 0; i < cp_nr_rings; i++) { |
|
bnapi = bp->bnapi[i]; |
|
netif_napi_add(bp->dev, &bnapi->napi, poll_fn, 64); |
|
} |
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) { |
|
bnapi = bp->bnapi[cp_nr_rings]; |
|
netif_napi_add(bp->dev, &bnapi->napi, |
|
bnxt_poll_nitroa0, 64); |
|
} |
|
} else { |
|
bnapi = bp->bnapi[0]; |
|
netif_napi_add(bp->dev, &bnapi->napi, bnxt_poll, 64); |
|
} |
|
} |
|
|
|
static void bnxt_disable_napi(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!bp->bnapi) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; |
|
|
|
napi_disable(&bp->bnapi[i]->napi); |
|
if (bp->bnapi[i]->rx_ring) |
|
cancel_work_sync(&cpr->dim.work); |
|
} |
|
} |
|
|
|
static void bnxt_enable_napi(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
|
|
cpr = &bnapi->cp_ring; |
|
if (bnapi->in_reset) |
|
cpr->sw_stats.rx.rx_resets++; |
|
bnapi->in_reset = false; |
|
|
|
if (bnapi->rx_ring) { |
|
INIT_WORK(&cpr->dim.work, bnxt_dim_work); |
|
cpr->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; |
|
} |
|
napi_enable(&bnapi->napi); |
|
} |
|
} |
|
|
|
void bnxt_tx_disable(struct bnxt *bp) |
|
{ |
|
int i; |
|
struct bnxt_tx_ring_info *txr; |
|
|
|
if (bp->tx_ring) { |
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
txr = &bp->tx_ring[i]; |
|
WRITE_ONCE(txr->dev_state, BNXT_DEV_STATE_CLOSING); |
|
} |
|
} |
|
/* Make sure napi polls see @dev_state change */ |
|
synchronize_net(); |
|
/* Drop carrier first to prevent TX timeout */ |
|
netif_carrier_off(bp->dev); |
|
/* Stop all TX queues */ |
|
netif_tx_disable(bp->dev); |
|
} |
|
|
|
void bnxt_tx_enable(struct bnxt *bp) |
|
{ |
|
int i; |
|
struct bnxt_tx_ring_info *txr; |
|
|
|
for (i = 0; i < bp->tx_nr_rings; i++) { |
|
txr = &bp->tx_ring[i]; |
|
WRITE_ONCE(txr->dev_state, 0); |
|
} |
|
/* Make sure napi polls see @dev_state change */ |
|
synchronize_net(); |
|
netif_tx_wake_all_queues(bp->dev); |
|
if (bp->link_info.link_up) |
|
netif_carrier_on(bp->dev); |
|
} |
|
|
|
static char *bnxt_report_fec(struct bnxt_link_info *link_info) |
|
{ |
|
u8 active_fec = link_info->active_fec_sig_mode & |
|
PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK; |
|
|
|
switch (active_fec) { |
|
default: |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_NONE_ACTIVE: |
|
return "None"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE: |
|
return "Clause 74 BaseR"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE: |
|
return "Clause 91 RS(528,514)"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE: |
|
return "Clause 91 RS544_1XN"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE: |
|
return "Clause 91 RS(544,514)"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE: |
|
return "Clause 91 RS272_1XN"; |
|
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE: |
|
return "Clause 91 RS(272,257)"; |
|
} |
|
} |
|
|
|
static void bnxt_report_link(struct bnxt *bp) |
|
{ |
|
if (bp->link_info.link_up) { |
|
const char *duplex; |
|
const char *flow_ctrl; |
|
u32 speed; |
|
u16 fec; |
|
|
|
netif_carrier_on(bp->dev); |
|
speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed); |
|
if (speed == SPEED_UNKNOWN) { |
|
netdev_info(bp->dev, "NIC Link is Up, speed unknown\n"); |
|
return; |
|
} |
|
if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL) |
|
duplex = "full"; |
|
else |
|
duplex = "half"; |
|
if (bp->link_info.pause == BNXT_LINK_PAUSE_BOTH) |
|
flow_ctrl = "ON - receive & transmit"; |
|
else if (bp->link_info.pause == BNXT_LINK_PAUSE_TX) |
|
flow_ctrl = "ON - transmit"; |
|
else if (bp->link_info.pause == BNXT_LINK_PAUSE_RX) |
|
flow_ctrl = "ON - receive"; |
|
else |
|
flow_ctrl = "none"; |
|
netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n", |
|
speed, duplex, flow_ctrl); |
|
if (bp->flags & BNXT_FLAG_EEE_CAP) |
|
netdev_info(bp->dev, "EEE is %s\n", |
|
bp->eee.eee_active ? "active" : |
|
"not active"); |
|
fec = bp->link_info.fec_cfg; |
|
if (!(fec & PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED)) |
|
netdev_info(bp->dev, "FEC autoneg %s encoding: %s\n", |
|
(fec & BNXT_FEC_AUTONEG) ? "on" : "off", |
|
bnxt_report_fec(&bp->link_info)); |
|
} else { |
|
netif_carrier_off(bp->dev); |
|
netdev_err(bp->dev, "NIC Link is Down\n"); |
|
} |
|
} |
|
|
|
static bool bnxt_phy_qcaps_no_speed(struct hwrm_port_phy_qcaps_output *resp) |
|
{ |
|
if (!resp->supported_speeds_auto_mode && |
|
!resp->supported_speeds_force_mode && |
|
!resp->supported_pam4_speeds_auto_mode && |
|
!resp->supported_pam4_speeds_force_mode) |
|
return true; |
|
return false; |
|
} |
|
|
|
static int bnxt_hwrm_phy_qcaps(struct bnxt *bp) |
|
{ |
|
int rc = 0; |
|
struct hwrm_port_phy_qcaps_input req = {0}; |
|
struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
bp->flags &= ~BNXT_FLAG_EEE_CAP; |
|
if (bp->test_info) |
|
bp->test_info->flags &= ~(BNXT_TEST_FL_EXT_LPBK | |
|
BNXT_TEST_FL_AN_PHY_LPBK); |
|
if (bp->hwrm_spec_code < 0x10201) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
goto hwrm_phy_qcaps_exit; |
|
|
|
if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_EEE_SUPPORTED) { |
|
struct ethtool_eee *eee = &bp->eee; |
|
u16 fw_speeds = le16_to_cpu(resp->supported_speeds_eee_mode); |
|
|
|
bp->flags |= BNXT_FLAG_EEE_CAP; |
|
eee->supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); |
|
bp->lpi_tmr_lo = le32_to_cpu(resp->tx_lpi_timer_low) & |
|
PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_LOW_MASK; |
|
bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) & |
|
PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK; |
|
} |
|
if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_EXTERNAL_LPBK_SUPPORTED) { |
|
if (bp->test_info) |
|
bp->test_info->flags |= BNXT_TEST_FL_EXT_LPBK; |
|
} |
|
if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_AUTONEG_LPBK_SUPPORTED) { |
|
if (bp->test_info) |
|
bp->test_info->flags |= BNXT_TEST_FL_AN_PHY_LPBK; |
|
} |
|
if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_SHARED_PHY_CFG_SUPPORTED) { |
|
if (BNXT_PF(bp)) |
|
bp->fw_cap |= BNXT_FW_CAP_SHARED_PORT_CFG; |
|
} |
|
if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_CUMULATIVE_COUNTERS_ON_RESET) |
|
bp->fw_cap |= BNXT_FW_CAP_PORT_STATS_NO_RESET; |
|
|
|
if (bp->hwrm_spec_code >= 0x10a01) { |
|
if (bnxt_phy_qcaps_no_speed(resp)) { |
|
link_info->phy_state = BNXT_PHY_STATE_DISABLED; |
|
netdev_warn(bp->dev, "Ethernet link disabled\n"); |
|
} else if (link_info->phy_state == BNXT_PHY_STATE_DISABLED) { |
|
link_info->phy_state = BNXT_PHY_STATE_ENABLED; |
|
netdev_info(bp->dev, "Ethernet link enabled\n"); |
|
/* Phy re-enabled, reprobe the speeds */ |
|
link_info->support_auto_speeds = 0; |
|
link_info->support_pam4_auto_speeds = 0; |
|
} |
|
} |
|
if (resp->supported_speeds_auto_mode) |
|
link_info->support_auto_speeds = |
|
le16_to_cpu(resp->supported_speeds_auto_mode); |
|
if (resp->supported_pam4_speeds_auto_mode) |
|
link_info->support_pam4_auto_speeds = |
|
le16_to_cpu(resp->supported_pam4_speeds_auto_mode); |
|
|
|
bp->port_count = resp->port_cnt; |
|
|
|
hwrm_phy_qcaps_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static bool bnxt_support_dropped(u16 advertising, u16 supported) |
|
{ |
|
u16 diff = advertising ^ supported; |
|
|
|
return ((supported | diff) != supported); |
|
} |
|
|
|
int bnxt_update_link(struct bnxt *bp, bool chng_link_state) |
|
{ |
|
int rc = 0; |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
struct hwrm_port_phy_qcfg_input req = {0}; |
|
struct hwrm_port_phy_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
u8 link_up = link_info->link_up; |
|
bool support_changed = false; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCFG, -1, -1); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) { |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
memcpy(&link_info->phy_qcfg_resp, resp, sizeof(*resp)); |
|
link_info->phy_link_status = resp->link; |
|
link_info->duplex = resp->duplex_cfg; |
|
if (bp->hwrm_spec_code >= 0x10800) |
|
link_info->duplex = resp->duplex_state; |
|
link_info->pause = resp->pause; |
|
link_info->auto_mode = resp->auto_mode; |
|
link_info->auto_pause_setting = resp->auto_pause; |
|
link_info->lp_pause = resp->link_partner_adv_pause; |
|
link_info->force_pause_setting = resp->force_pause; |
|
link_info->duplex_setting = resp->duplex_cfg; |
|
if (link_info->phy_link_status == BNXT_LINK_LINK) |
|
link_info->link_speed = le16_to_cpu(resp->link_speed); |
|
else |
|
link_info->link_speed = 0; |
|
link_info->force_link_speed = le16_to_cpu(resp->force_link_speed); |
|
link_info->force_pam4_link_speed = |
|
le16_to_cpu(resp->force_pam4_link_speed); |
|
link_info->support_speeds = le16_to_cpu(resp->support_speeds); |
|
link_info->support_pam4_speeds = le16_to_cpu(resp->support_pam4_speeds); |
|
link_info->auto_link_speeds = le16_to_cpu(resp->auto_link_speed_mask); |
|
link_info->auto_pam4_link_speeds = |
|
le16_to_cpu(resp->auto_pam4_link_speed_mask); |
|
link_info->lp_auto_link_speeds = |
|
le16_to_cpu(resp->link_partner_adv_speeds); |
|
link_info->lp_auto_pam4_link_speeds = |
|
resp->link_partner_pam4_adv_speeds; |
|
link_info->preemphasis = le32_to_cpu(resp->preemphasis); |
|
link_info->phy_ver[0] = resp->phy_maj; |
|
link_info->phy_ver[1] = resp->phy_min; |
|
link_info->phy_ver[2] = resp->phy_bld; |
|
link_info->media_type = resp->media_type; |
|
link_info->phy_type = resp->phy_type; |
|
link_info->transceiver = resp->xcvr_pkg_type; |
|
link_info->phy_addr = resp->eee_config_phy_addr & |
|
PORT_PHY_QCFG_RESP_PHY_ADDR_MASK; |
|
link_info->module_status = resp->module_status; |
|
|
|
if (bp->flags & BNXT_FLAG_EEE_CAP) { |
|
struct ethtool_eee *eee = &bp->eee; |
|
u16 fw_speeds; |
|
|
|
eee->eee_active = 0; |
|
if (resp->eee_config_phy_addr & |
|
PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ACTIVE) { |
|
eee->eee_active = 1; |
|
fw_speeds = le16_to_cpu( |
|
resp->link_partner_adv_eee_link_speed_mask); |
|
eee->lp_advertised = |
|
_bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); |
|
} |
|
|
|
/* Pull initial EEE config */ |
|
if (!chng_link_state) { |
|
if (resp->eee_config_phy_addr & |
|
PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ENABLED) |
|
eee->eee_enabled = 1; |
|
|
|
fw_speeds = le16_to_cpu(resp->adv_eee_link_speed_mask); |
|
eee->advertised = |
|
_bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); |
|
|
|
if (resp->eee_config_phy_addr & |
|
PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_TX_LPI) { |
|
__le32 tmr; |
|
|
|
eee->tx_lpi_enabled = 1; |
|
tmr = resp->xcvr_identifier_type_tx_lpi_timer; |
|
eee->tx_lpi_timer = le32_to_cpu(tmr) & |
|
PORT_PHY_QCFG_RESP_TX_LPI_TIMER_MASK; |
|
} |
|
} |
|
} |
|
|
|
link_info->fec_cfg = PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED; |
|
if (bp->hwrm_spec_code >= 0x10504) { |
|
link_info->fec_cfg = le16_to_cpu(resp->fec_cfg); |
|
link_info->active_fec_sig_mode = resp->active_fec_signal_mode; |
|
} |
|
/* TODO: need to add more logic to report VF link */ |
|
if (chng_link_state) { |
|
if (link_info->phy_link_status == BNXT_LINK_LINK) |
|
link_info->link_up = 1; |
|
else |
|
link_info->link_up = 0; |
|
if (link_up != link_info->link_up) |
|
bnxt_report_link(bp); |
|
} else { |
|
/* alwasy link down if not require to update link state */ |
|
link_info->link_up = 0; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
if (!BNXT_PHY_CFG_ABLE(bp)) |
|
return 0; |
|
|
|
/* Check if any advertised speeds are no longer supported. The caller |
|
* holds the link_lock mutex, so we can modify link_info settings. |
|
*/ |
|
if (bnxt_support_dropped(link_info->advertising, |
|
link_info->support_auto_speeds)) { |
|
link_info->advertising = link_info->support_auto_speeds; |
|
support_changed = true; |
|
} |
|
if (bnxt_support_dropped(link_info->advertising_pam4, |
|
link_info->support_pam4_auto_speeds)) { |
|
link_info->advertising_pam4 = link_info->support_pam4_auto_speeds; |
|
support_changed = true; |
|
} |
|
if (support_changed && (link_info->autoneg & BNXT_AUTONEG_SPEED)) |
|
bnxt_hwrm_set_link_setting(bp, true, false); |
|
return 0; |
|
} |
|
|
|
static void bnxt_get_port_module_status(struct bnxt *bp) |
|
{ |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp; |
|
u8 module_status; |
|
|
|
if (bnxt_update_link(bp, true)) |
|
return; |
|
|
|
module_status = link_info->module_status; |
|
switch (module_status) { |
|
case PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX: |
|
case PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN: |
|
case PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG: |
|
netdev_warn(bp->dev, "Unqualified SFP+ module detected on port %d\n", |
|
bp->pf.port_id); |
|
if (bp->hwrm_spec_code >= 0x10201) { |
|
netdev_warn(bp->dev, "Module part number %s\n", |
|
resp->phy_vendor_partnumber); |
|
} |
|
if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX) |
|
netdev_warn(bp->dev, "TX is disabled\n"); |
|
if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN) |
|
netdev_warn(bp->dev, "SFP+ module is shutdown\n"); |
|
} |
|
} |
|
|
|
static void |
|
bnxt_hwrm_set_pause_common(struct bnxt *bp, struct hwrm_port_phy_cfg_input *req) |
|
{ |
|
if (bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) { |
|
if (bp->hwrm_spec_code >= 0x10201) |
|
req->auto_pause = |
|
PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; |
|
if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX) |
|
req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_RX; |
|
if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX) |
|
req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_TX; |
|
req->enables |= |
|
cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE); |
|
} else { |
|
if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX) |
|
req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_RX; |
|
if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX) |
|
req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_TX; |
|
req->enables |= |
|
cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_FORCE_PAUSE); |
|
if (bp->hwrm_spec_code >= 0x10201) { |
|
req->auto_pause = req->force_pause; |
|
req->enables |= cpu_to_le32( |
|
PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE); |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_hwrm_set_link_common(struct bnxt *bp, struct hwrm_port_phy_cfg_input *req) |
|
{ |
|
if (bp->link_info.autoneg & BNXT_AUTONEG_SPEED) { |
|
req->auto_mode |= PORT_PHY_CFG_REQ_AUTO_MODE_SPEED_MASK; |
|
if (bp->link_info.advertising) { |
|
req->enables |= cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_LINK_SPEED_MASK); |
|
req->auto_link_speed_mask = cpu_to_le16(bp->link_info.advertising); |
|
} |
|
if (bp->link_info.advertising_pam4) { |
|
req->enables |= |
|
cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_PAM4_LINK_SPEED_MASK); |
|
req->auto_link_pam4_speed_mask = |
|
cpu_to_le16(bp->link_info.advertising_pam4); |
|
} |
|
req->enables |= cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_MODE); |
|
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESTART_AUTONEG); |
|
} else { |
|
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE); |
|
if (bp->link_info.req_signal_mode == BNXT_SIG_MODE_PAM4) { |
|
req->force_pam4_link_speed = cpu_to_le16(bp->link_info.req_link_speed); |
|
req->enables |= cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_FORCE_PAM4_LINK_SPEED); |
|
} else { |
|
req->force_link_speed = cpu_to_le16(bp->link_info.req_link_speed); |
|
} |
|
} |
|
|
|
/* tell chimp that the setting takes effect immediately */ |
|
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESET_PHY); |
|
} |
|
|
|
int bnxt_hwrm_set_pause(struct bnxt *bp) |
|
{ |
|
struct hwrm_port_phy_cfg_input req = {0}; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); |
|
bnxt_hwrm_set_pause_common(bp, &req); |
|
|
|
if ((bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) || |
|
bp->link_info.force_link_chng) |
|
bnxt_hwrm_set_link_common(bp, &req); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc && !(bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL)) { |
|
/* since changing of pause setting doesn't trigger any link |
|
* change event, the driver needs to update the current pause |
|
* result upon successfully return of the phy_cfg command |
|
*/ |
|
bp->link_info.pause = |
|
bp->link_info.force_pause_setting = bp->link_info.req_flow_ctrl; |
|
bp->link_info.auto_pause_setting = 0; |
|
if (!bp->link_info.force_link_chng) |
|
bnxt_report_link(bp); |
|
} |
|
bp->link_info.force_link_chng = false; |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_hwrm_set_eee(struct bnxt *bp, |
|
struct hwrm_port_phy_cfg_input *req) |
|
{ |
|
struct ethtool_eee *eee = &bp->eee; |
|
|
|
if (eee->eee_enabled) { |
|
u16 eee_speeds; |
|
u32 flags = PORT_PHY_CFG_REQ_FLAGS_EEE_ENABLE; |
|
|
|
if (eee->tx_lpi_enabled) |
|
flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_ENABLE; |
|
else |
|
flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_DISABLE; |
|
|
|
req->flags |= cpu_to_le32(flags); |
|
eee_speeds = bnxt_get_fw_auto_link_speeds(eee->advertised); |
|
req->eee_link_speed_mask = cpu_to_le16(eee_speeds); |
|
req->tx_lpi_timer = cpu_to_le32(eee->tx_lpi_timer); |
|
} else { |
|
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_EEE_DISABLE); |
|
} |
|
} |
|
|
|
int bnxt_hwrm_set_link_setting(struct bnxt *bp, bool set_pause, bool set_eee) |
|
{ |
|
struct hwrm_port_phy_cfg_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); |
|
if (set_pause) |
|
bnxt_hwrm_set_pause_common(bp, &req); |
|
|
|
bnxt_hwrm_set_link_common(bp, &req); |
|
|
|
if (set_eee) |
|
bnxt_hwrm_set_eee(bp, &req); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_hwrm_shutdown_link(struct bnxt *bp) |
|
{ |
|
struct hwrm_port_phy_cfg_input req = {0}; |
|
|
|
if (!BNXT_SINGLE_PF(bp)) |
|
return 0; |
|
|
|
if (pci_num_vf(bp->pdev)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); |
|
req.flags = cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE_LINK_DWN); |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static int bnxt_fw_init_one(struct bnxt *bp); |
|
|
|
static int bnxt_hwrm_if_change(struct bnxt *bp, bool up) |
|
{ |
|
struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_func_drv_if_change_input req = {0}; |
|
bool fw_reset = !bp->irq_tbl; |
|
bool resc_reinit = false; |
|
u32 flags = 0; |
|
int rc; |
|
|
|
if (!(bp->fw_cap & BNXT_FW_CAP_IF_CHANGE)) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_IF_CHANGE, -1, -1); |
|
if (up) |
|
req.flags = cpu_to_le32(FUNC_DRV_IF_CHANGE_REQ_FLAGS_UP); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
flags = le32_to_cpu(resp->flags); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
if (rc) |
|
return rc; |
|
|
|
if (!up) |
|
return 0; |
|
|
|
if (flags & FUNC_DRV_IF_CHANGE_RESP_FLAGS_RESC_CHANGE) |
|
resc_reinit = true; |
|
if (flags & FUNC_DRV_IF_CHANGE_RESP_FLAGS_HOT_FW_RESET_DONE) |
|
fw_reset = true; |
|
|
|
if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state) && !fw_reset) { |
|
netdev_err(bp->dev, "RESET_DONE not set during FW reset.\n"); |
|
set_bit(BNXT_STATE_ABORT_ERR, &bp->state); |
|
return -ENODEV; |
|
} |
|
if (resc_reinit || fw_reset) { |
|
if (fw_reset) { |
|
if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) |
|
bnxt_ulp_stop(bp); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
bnxt_dcb_free(bp); |
|
rc = bnxt_fw_init_one(bp); |
|
if (rc) { |
|
set_bit(BNXT_STATE_ABORT_ERR, &bp->state); |
|
return rc; |
|
} |
|
bnxt_clear_int_mode(bp); |
|
rc = bnxt_init_int_mode(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "init int mode failed\n"); |
|
return rc; |
|
} |
|
set_bit(BNXT_STATE_FW_RESET_DET, &bp->state); |
|
} |
|
if (BNXT_NEW_RM(bp)) { |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
|
|
rc = bnxt_hwrm_func_resc_qcaps(bp, true); |
|
hw_resc->resv_cp_rings = 0; |
|
hw_resc->resv_stat_ctxs = 0; |
|
hw_resc->resv_irqs = 0; |
|
hw_resc->resv_tx_rings = 0; |
|
hw_resc->resv_rx_rings = 0; |
|
hw_resc->resv_hw_ring_grps = 0; |
|
hw_resc->resv_vnics = 0; |
|
if (!fw_reset) { |
|
bp->tx_nr_rings = 0; |
|
bp->rx_nr_rings = 0; |
|
} |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp) |
|
{ |
|
struct hwrm_port_led_qcaps_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_port_led_qcaps_input req = {0}; |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
int rc; |
|
|
|
bp->num_leds = 0; |
|
if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10601) |
|
return 0; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_QCAPS, -1, -1); |
|
req.port_id = cpu_to_le16(pf->port_id); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) { |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
if (resp->num_leds > 0 && resp->num_leds < BNXT_MAX_LED) { |
|
int i; |
|
|
|
bp->num_leds = resp->num_leds; |
|
memcpy(bp->leds, &resp->led0_id, sizeof(bp->leds[0]) * |
|
bp->num_leds); |
|
for (i = 0; i < bp->num_leds; i++) { |
|
struct bnxt_led_info *led = &bp->leds[i]; |
|
__le16 caps = led->led_state_caps; |
|
|
|
if (!led->led_group_id || |
|
!BNXT_LED_ALT_BLINK_CAP(caps)) { |
|
bp->num_leds = 0; |
|
break; |
|
} |
|
} |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return 0; |
|
} |
|
|
|
int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp) |
|
{ |
|
struct hwrm_wol_filter_alloc_input req = {0}; |
|
struct hwrm_wol_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_ALLOC, -1, -1); |
|
req.port_id = cpu_to_le16(bp->pf.port_id); |
|
req.wol_type = WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT; |
|
req.enables = cpu_to_le32(WOL_FILTER_ALLOC_REQ_ENABLES_MAC_ADDRESS); |
|
memcpy(req.mac_address, bp->dev->dev_addr, ETH_ALEN); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
bp->wol_filter_id = resp->wol_filter_id; |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
int bnxt_hwrm_free_wol_fltr(struct bnxt *bp) |
|
{ |
|
struct hwrm_wol_filter_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1); |
|
req.port_id = cpu_to_le16(bp->pf.port_id); |
|
req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID); |
|
req.wol_filter_id = bp->wol_filter_id; |
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle) |
|
{ |
|
struct hwrm_wol_filter_qcfg_input req = {0}; |
|
struct hwrm_wol_filter_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
|
u16 next_handle = 0; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_QCFG, -1, -1); |
|
req.port_id = cpu_to_le16(bp->pf.port_id); |
|
req.handle = cpu_to_le16(handle); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
next_handle = le16_to_cpu(resp->next_handle); |
|
if (next_handle != 0) { |
|
if (resp->wol_type == |
|
WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT) { |
|
bp->wol = 1; |
|
bp->wol_filter_id = resp->wol_filter_id; |
|
} |
|
} |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return next_handle; |
|
} |
|
|
|
static void bnxt_get_wol_settings(struct bnxt *bp) |
|
{ |
|
u16 handle = 0; |
|
|
|
bp->wol = 0; |
|
if (!BNXT_PF(bp) || !(bp->flags & BNXT_FLAG_WOL_CAP)) |
|
return; |
|
|
|
do { |
|
handle = bnxt_hwrm_get_wol_fltrs(bp, handle); |
|
} while (handle && handle != 0xffff); |
|
} |
|
|
|
#ifdef CONFIG_BNXT_HWMON |
|
static ssize_t bnxt_show_temp(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct hwrm_temp_monitor_query_input req = {0}; |
|
struct hwrm_temp_monitor_query_output *resp; |
|
struct bnxt *bp = dev_get_drvdata(dev); |
|
u32 len = 0; |
|
int rc; |
|
|
|
resp = bp->hwrm_cmd_resp_addr; |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
len = sprintf(buf, "%u\n", resp->temp * 1000); /* display millidegree */ |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
if (rc) |
|
return rc; |
|
return len; |
|
} |
|
static SENSOR_DEVICE_ATTR(temp1_input, 0444, bnxt_show_temp, NULL, 0); |
|
|
|
static struct attribute *bnxt_attrs[] = { |
|
&sensor_dev_attr_temp1_input.dev_attr.attr, |
|
NULL |
|
}; |
|
ATTRIBUTE_GROUPS(bnxt); |
|
|
|
static void bnxt_hwmon_close(struct bnxt *bp) |
|
{ |
|
if (bp->hwmon_dev) { |
|
hwmon_device_unregister(bp->hwmon_dev); |
|
bp->hwmon_dev = NULL; |
|
} |
|
} |
|
|
|
static void bnxt_hwmon_open(struct bnxt *bp) |
|
{ |
|
struct hwrm_temp_monitor_query_input req = {0}; |
|
struct pci_dev *pdev = bp->pdev; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); |
|
rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc == -EACCES || rc == -EOPNOTSUPP) { |
|
bnxt_hwmon_close(bp); |
|
return; |
|
} |
|
|
|
if (bp->hwmon_dev) |
|
return; |
|
|
|
bp->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, |
|
DRV_MODULE_NAME, bp, |
|
bnxt_groups); |
|
if (IS_ERR(bp->hwmon_dev)) { |
|
bp->hwmon_dev = NULL; |
|
dev_warn(&pdev->dev, "Cannot register hwmon device\n"); |
|
} |
|
} |
|
#else |
|
static void bnxt_hwmon_close(struct bnxt *bp) |
|
{ |
|
} |
|
|
|
static void bnxt_hwmon_open(struct bnxt *bp) |
|
{ |
|
} |
|
#endif |
|
|
|
static bool bnxt_eee_config_ok(struct bnxt *bp) |
|
{ |
|
struct ethtool_eee *eee = &bp->eee; |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
if (!(bp->flags & BNXT_FLAG_EEE_CAP)) |
|
return true; |
|
|
|
if (eee->eee_enabled) { |
|
u32 advertising = |
|
_bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); |
|
|
|
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { |
|
eee->eee_enabled = 0; |
|
return false; |
|
} |
|
if (eee->advertised & ~advertising) { |
|
eee->advertised = advertising & eee->supported; |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
static int bnxt_update_phy_setting(struct bnxt *bp) |
|
{ |
|
int rc; |
|
bool update_link = false; |
|
bool update_pause = false; |
|
bool update_eee = false; |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
rc = bnxt_update_link(bp, true); |
|
if (rc) { |
|
netdev_err(bp->dev, "failed to update link (rc: %x)\n", |
|
rc); |
|
return rc; |
|
} |
|
if (!BNXT_SINGLE_PF(bp)) |
|
return 0; |
|
|
|
if ((link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) && |
|
(link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) != |
|
link_info->req_flow_ctrl) |
|
update_pause = true; |
|
if (!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) && |
|
link_info->force_pause_setting != link_info->req_flow_ctrl) |
|
update_pause = true; |
|
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { |
|
if (BNXT_AUTO_MODE(link_info->auto_mode)) |
|
update_link = true; |
|
if (link_info->req_signal_mode == BNXT_SIG_MODE_NRZ && |
|
link_info->req_link_speed != link_info->force_link_speed) |
|
update_link = true; |
|
else if (link_info->req_signal_mode == BNXT_SIG_MODE_PAM4 && |
|
link_info->req_link_speed != link_info->force_pam4_link_speed) |
|
update_link = true; |
|
if (link_info->req_duplex != link_info->duplex_setting) |
|
update_link = true; |
|
} else { |
|
if (link_info->auto_mode == BNXT_LINK_AUTO_NONE) |
|
update_link = true; |
|
if (link_info->advertising != link_info->auto_link_speeds || |
|
link_info->advertising_pam4 != link_info->auto_pam4_link_speeds) |
|
update_link = true; |
|
} |
|
|
|
/* The last close may have shutdown the link, so need to call |
|
* PHY_CFG to bring it back up. |
|
*/ |
|
if (!bp->link_info.link_up) |
|
update_link = true; |
|
|
|
if (!bnxt_eee_config_ok(bp)) |
|
update_eee = true; |
|
|
|
if (update_link) |
|
rc = bnxt_hwrm_set_link_setting(bp, update_pause, update_eee); |
|
else if (update_pause) |
|
rc = bnxt_hwrm_set_pause(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "failed to update phy setting (rc: %x)\n", |
|
rc); |
|
return rc; |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
/* Common routine to pre-map certain register block to different GRC window. |
|
* A PF has 16 4K windows and a VF has 4 4K windows. However, only 15 windows |
|
* in PF and 3 windows in VF that can be customized to map in different |
|
* register blocks. |
|
*/ |
|
static void bnxt_preset_reg_win(struct bnxt *bp) |
|
{ |
|
if (BNXT_PF(bp)) { |
|
/* CAG registers map to GRC window #4 */ |
|
writel(BNXT_CAG_REG_BASE, |
|
bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 12); |
|
} |
|
} |
|
|
|
static int bnxt_init_dflt_ring_mode(struct bnxt *bp); |
|
|
|
static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) |
|
{ |
|
int rc = 0; |
|
|
|
bnxt_preset_reg_win(bp); |
|
netif_carrier_off(bp->dev); |
|
if (irq_re_init) { |
|
/* Reserve rings now if none were reserved at driver probe. */ |
|
rc = bnxt_init_dflt_ring_mode(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "Failed to reserve default rings at open\n"); |
|
return rc; |
|
} |
|
} |
|
rc = bnxt_reserve_rings(bp, irq_re_init); |
|
if (rc) |
|
return rc; |
|
if ((bp->flags & BNXT_FLAG_RFS) && |
|
!(bp->flags & BNXT_FLAG_USING_MSIX)) { |
|
/* disable RFS if falling back to INTA */ |
|
bp->dev->hw_features &= ~NETIF_F_NTUPLE; |
|
bp->flags &= ~BNXT_FLAG_RFS; |
|
} |
|
|
|
rc = bnxt_alloc_mem(bp, irq_re_init); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc); |
|
goto open_err_free_mem; |
|
} |
|
|
|
if (irq_re_init) { |
|
bnxt_init_napi(bp); |
|
rc = bnxt_request_irq(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc); |
|
goto open_err_irq; |
|
} |
|
} |
|
|
|
rc = bnxt_init_nic(bp, irq_re_init); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); |
|
goto open_err_irq; |
|
} |
|
|
|
bnxt_enable_napi(bp); |
|
bnxt_debug_dev_init(bp); |
|
|
|
if (link_re_init) { |
|
mutex_lock(&bp->link_lock); |
|
rc = bnxt_update_phy_setting(bp); |
|
mutex_unlock(&bp->link_lock); |
|
if (rc) { |
|
netdev_warn(bp->dev, "failed to update phy settings\n"); |
|
if (BNXT_SINGLE_PF(bp)) { |
|
bp->link_info.phy_retry = true; |
|
bp->link_info.phy_retry_expires = |
|
jiffies + 5 * HZ; |
|
} |
|
} |
|
} |
|
|
|
if (irq_re_init) |
|
udp_tunnel_nic_reset_ntf(bp->dev); |
|
|
|
set_bit(BNXT_STATE_OPEN, &bp->state); |
|
bnxt_enable_int(bp); |
|
/* Enable TX queues */ |
|
bnxt_tx_enable(bp); |
|
mod_timer(&bp->timer, jiffies + bp->current_interval); |
|
/* Poll link status and check for SFP+ module status */ |
|
bnxt_get_port_module_status(bp); |
|
|
|
/* VF-reps may need to be re-opened after the PF is re-opened */ |
|
if (BNXT_PF(bp)) |
|
bnxt_vf_reps_open(bp); |
|
return 0; |
|
|
|
open_err_irq: |
|
bnxt_del_napi(bp); |
|
|
|
open_err_free_mem: |
|
bnxt_free_skbs(bp); |
|
bnxt_free_irq(bp); |
|
bnxt_free_mem(bp, true); |
|
return rc; |
|
} |
|
|
|
/* rtnl_lock held */ |
|
int bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) |
|
{ |
|
int rc = 0; |
|
|
|
if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) |
|
rc = -EIO; |
|
if (!rc) |
|
rc = __bnxt_open_nic(bp, irq_re_init, link_re_init); |
|
if (rc) { |
|
netdev_err(bp->dev, "nic open fail (rc: %x)\n", rc); |
|
dev_close(bp->dev); |
|
} |
|
return rc; |
|
} |
|
|
|
/* rtnl_lock held, open the NIC half way by allocating all resources, but |
|
* NAPI, IRQ, and TX are not enabled. This is mainly used for offline |
|
* self tests. |
|
*/ |
|
int bnxt_half_open_nic(struct bnxt *bp) |
|
{ |
|
int rc = 0; |
|
|
|
if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) { |
|
netdev_err(bp->dev, "A previous firmware reset has not completed, aborting half open\n"); |
|
rc = -ENODEV; |
|
goto half_open_err; |
|
} |
|
|
|
rc = bnxt_alloc_mem(bp, false); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc); |
|
goto half_open_err; |
|
} |
|
rc = bnxt_init_nic(bp, false); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); |
|
goto half_open_err; |
|
} |
|
return 0; |
|
|
|
half_open_err: |
|
bnxt_free_skbs(bp); |
|
bnxt_free_mem(bp, false); |
|
dev_close(bp->dev); |
|
return rc; |
|
} |
|
|
|
/* rtnl_lock held, this call can only be made after a previous successful |
|
* call to bnxt_half_open_nic(). |
|
*/ |
|
void bnxt_half_close_nic(struct bnxt *bp) |
|
{ |
|
bnxt_hwrm_resource_free(bp, false, false); |
|
bnxt_free_skbs(bp); |
|
bnxt_free_mem(bp, false); |
|
} |
|
|
|
static void bnxt_reenable_sriov(struct bnxt *bp) |
|
{ |
|
if (BNXT_PF(bp)) { |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
int n = pf->active_vfs; |
|
|
|
if (n) |
|
bnxt_cfg_hw_sriov(bp, &n, true); |
|
} |
|
} |
|
|
|
static int bnxt_open(struct net_device *dev) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
int rc; |
|
|
|
if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) { |
|
netdev_err(bp->dev, "A previous firmware reset did not complete, aborting\n"); |
|
return -ENODEV; |
|
} |
|
|
|
rc = bnxt_hwrm_if_change(bp, true); |
|
if (rc) |
|
return rc; |
|
rc = __bnxt_open_nic(bp, true, true); |
|
if (rc) { |
|
bnxt_hwrm_if_change(bp, false); |
|
} else { |
|
if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state)) { |
|
if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { |
|
bnxt_ulp_start(bp, 0); |
|
bnxt_reenable_sriov(bp); |
|
} |
|
} |
|
bnxt_hwmon_open(bp); |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
static bool bnxt_drv_busy(struct bnxt *bp) |
|
{ |
|
return (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state) || |
|
test_bit(BNXT_STATE_READ_STATS, &bp->state)); |
|
} |
|
|
|
static void bnxt_get_ring_stats(struct bnxt *bp, |
|
struct rtnl_link_stats64 *stats); |
|
|
|
static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init, |
|
bool link_re_init) |
|
{ |
|
/* Close the VF-reps before closing PF */ |
|
if (BNXT_PF(bp)) |
|
bnxt_vf_reps_close(bp); |
|
|
|
/* Change device state to avoid TX queue wake up's */ |
|
bnxt_tx_disable(bp); |
|
|
|
clear_bit(BNXT_STATE_OPEN, &bp->state); |
|
smp_mb__after_atomic(); |
|
while (bnxt_drv_busy(bp)) |
|
msleep(20); |
|
|
|
/* Flush rings and and disable interrupts */ |
|
bnxt_shutdown_nic(bp, irq_re_init); |
|
|
|
/* TODO CHIMP_FW: Link/PHY related cleanup if (link_re_init) */ |
|
|
|
bnxt_debug_dev_exit(bp); |
|
bnxt_disable_napi(bp); |
|
del_timer_sync(&bp->timer); |
|
bnxt_free_skbs(bp); |
|
|
|
/* Save ring stats before shutdown */ |
|
if (bp->bnapi && irq_re_init) |
|
bnxt_get_ring_stats(bp, &bp->net_stats_prev); |
|
if (irq_re_init) { |
|
bnxt_free_irq(bp); |
|
bnxt_del_napi(bp); |
|
} |
|
bnxt_free_mem(bp, irq_re_init); |
|
} |
|
|
|
int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) |
|
{ |
|
int rc = 0; |
|
|
|
if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { |
|
/* If we get here, it means firmware reset is in progress |
|
* while we are trying to close. We can safely proceed with |
|
* the close because we are holding rtnl_lock(). Some firmware |
|
* messages may fail as we proceed to close. We set the |
|
* ABORT_ERR flag here so that the FW reset thread will later |
|
* abort when it gets the rtnl_lock() and sees the flag. |
|
*/ |
|
netdev_warn(bp->dev, "FW reset in progress during close, FW reset will be aborted\n"); |
|
set_bit(BNXT_STATE_ABORT_ERR, &bp->state); |
|
} |
|
|
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (bp->sriov_cfg) { |
|
rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait, |
|
!bp->sriov_cfg, |
|
BNXT_SRIOV_CFG_WAIT_TMO); |
|
if (rc) |
|
netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n"); |
|
} |
|
#endif |
|
__bnxt_close_nic(bp, irq_re_init, link_re_init); |
|
return rc; |
|
} |
|
|
|
static int bnxt_close(struct net_device *dev) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
bnxt_hwmon_close(bp); |
|
bnxt_close_nic(bp, true, true); |
|
bnxt_hwrm_shutdown_link(bp); |
|
bnxt_hwrm_if_change(bp, false); |
|
return 0; |
|
} |
|
|
|
static int bnxt_hwrm_port_phy_read(struct bnxt *bp, u16 phy_addr, u16 reg, |
|
u16 *val) |
|
{ |
|
struct hwrm_port_phy_mdio_read_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_port_phy_mdio_read_input req = {0}; |
|
int rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10a00) |
|
return -EOPNOTSUPP; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_MDIO_READ, -1, -1); |
|
req.port_id = cpu_to_le16(bp->pf.port_id); |
|
req.phy_addr = phy_addr; |
|
req.reg_addr = cpu_to_le16(reg & 0x1f); |
|
if (mdio_phy_id_is_c45(phy_addr)) { |
|
req.cl45_mdio = 1; |
|
req.phy_addr = mdio_phy_id_prtad(phy_addr); |
|
req.dev_addr = mdio_phy_id_devad(phy_addr); |
|
req.reg_addr = cpu_to_le16(reg); |
|
} |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) |
|
*val = le16_to_cpu(resp->reg_data); |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static int bnxt_hwrm_port_phy_write(struct bnxt *bp, u16 phy_addr, u16 reg, |
|
u16 val) |
|
{ |
|
struct hwrm_port_phy_mdio_write_input req = {0}; |
|
|
|
if (bp->hwrm_spec_code < 0x10a00) |
|
return -EOPNOTSUPP; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_MDIO_WRITE, -1, -1); |
|
req.port_id = cpu_to_le16(bp->pf.port_id); |
|
req.phy_addr = phy_addr; |
|
req.reg_addr = cpu_to_le16(reg & 0x1f); |
|
if (mdio_phy_id_is_c45(phy_addr)) { |
|
req.cl45_mdio = 1; |
|
req.phy_addr = mdio_phy_id_prtad(phy_addr); |
|
req.dev_addr = mdio_phy_id_devad(phy_addr); |
|
req.reg_addr = cpu_to_le16(reg); |
|
} |
|
req.reg_data = cpu_to_le16(val); |
|
|
|
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
/* rtnl_lock held */ |
|
static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
|
{ |
|
struct mii_ioctl_data *mdio = if_mii(ifr); |
|
struct bnxt *bp = netdev_priv(dev); |
|
int rc; |
|
|
|
switch (cmd) { |
|
case SIOCGMIIPHY: |
|
mdio->phy_id = bp->link_info.phy_addr; |
|
|
|
fallthrough; |
|
case SIOCGMIIREG: { |
|
u16 mii_regval = 0; |
|
|
|
if (!netif_running(dev)) |
|
return -EAGAIN; |
|
|
|
rc = bnxt_hwrm_port_phy_read(bp, mdio->phy_id, mdio->reg_num, |
|
&mii_regval); |
|
mdio->val_out = mii_regval; |
|
return rc; |
|
} |
|
|
|
case SIOCSMIIREG: |
|
if (!netif_running(dev)) |
|
return -EAGAIN; |
|
|
|
return bnxt_hwrm_port_phy_write(bp, mdio->phy_id, mdio->reg_num, |
|
mdio->val_in); |
|
|
|
default: |
|
/* do nothing */ |
|
break; |
|
} |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static void bnxt_get_ring_stats(struct bnxt *bp, |
|
struct rtnl_link_stats64 *stats) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
u64 *sw = cpr->stats.sw_stats; |
|
|
|
stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_ucast_pkts); |
|
stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_mcast_pkts); |
|
stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_bcast_pkts); |
|
|
|
stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_ucast_pkts); |
|
stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_mcast_pkts); |
|
stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_bcast_pkts); |
|
|
|
stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_ucast_bytes); |
|
stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_mcast_bytes); |
|
stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_bcast_bytes); |
|
|
|
stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_ucast_bytes); |
|
stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_mcast_bytes); |
|
stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_bcast_bytes); |
|
|
|
stats->rx_missed_errors += |
|
BNXT_GET_RING_STATS64(sw, rx_discard_pkts); |
|
|
|
stats->multicast += BNXT_GET_RING_STATS64(sw, rx_mcast_pkts); |
|
|
|
stats->tx_dropped += BNXT_GET_RING_STATS64(sw, tx_error_pkts); |
|
} |
|
} |
|
|
|
static void bnxt_add_prev_stats(struct bnxt *bp, |
|
struct rtnl_link_stats64 *stats) |
|
{ |
|
struct rtnl_link_stats64 *prev_stats = &bp->net_stats_prev; |
|
|
|
stats->rx_packets += prev_stats->rx_packets; |
|
stats->tx_packets += prev_stats->tx_packets; |
|
stats->rx_bytes += prev_stats->rx_bytes; |
|
stats->tx_bytes += prev_stats->tx_bytes; |
|
stats->rx_missed_errors += prev_stats->rx_missed_errors; |
|
stats->multicast += prev_stats->multicast; |
|
stats->tx_dropped += prev_stats->tx_dropped; |
|
} |
|
|
|
static void |
|
bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
set_bit(BNXT_STATE_READ_STATS, &bp->state); |
|
/* Make sure bnxt_close_nic() sees that we are reading stats before |
|
* we check the BNXT_STATE_OPEN flag. |
|
*/ |
|
smp_mb__after_atomic(); |
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { |
|
clear_bit(BNXT_STATE_READ_STATS, &bp->state); |
|
*stats = bp->net_stats_prev; |
|
return; |
|
} |
|
|
|
bnxt_get_ring_stats(bp, stats); |
|
bnxt_add_prev_stats(bp, stats); |
|
|
|
if (bp->flags & BNXT_FLAG_PORT_STATS) { |
|
u64 *rx = bp->port_stats.sw_stats; |
|
u64 *tx = bp->port_stats.sw_stats + |
|
BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; |
|
|
|
stats->rx_crc_errors = |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames); |
|
stats->rx_frame_errors = |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames); |
|
stats->rx_length_errors = |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames) + |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames) + |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_runt_frames); |
|
stats->rx_errors = |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_false_carrier_frames) + |
|
BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames); |
|
stats->collisions = |
|
BNXT_GET_TX_PORT_STATS64(tx, tx_total_collisions); |
|
stats->tx_fifo_errors = |
|
BNXT_GET_TX_PORT_STATS64(tx, tx_fifo_underruns); |
|
stats->tx_errors = BNXT_GET_TX_PORT_STATS64(tx, tx_err); |
|
} |
|
clear_bit(BNXT_STATE_READ_STATS, &bp->state); |
|
} |
|
|
|
static bool bnxt_mc_list_updated(struct bnxt *bp, u32 *rx_mask) |
|
{ |
|
struct net_device *dev = bp->dev; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; |
|
struct netdev_hw_addr *ha; |
|
u8 *haddr; |
|
int mc_count = 0; |
|
bool update = false; |
|
int off = 0; |
|
|
|
netdev_for_each_mc_addr(ha, dev) { |
|
if (mc_count >= BNXT_MAX_MC_ADDRS) { |
|
*rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST; |
|
vnic->mc_list_count = 0; |
|
return false; |
|
} |
|
haddr = ha->addr; |
|
if (!ether_addr_equal(haddr, vnic->mc_list + off)) { |
|
memcpy(vnic->mc_list + off, haddr, ETH_ALEN); |
|
update = true; |
|
} |
|
off += ETH_ALEN; |
|
mc_count++; |
|
} |
|
if (mc_count) |
|
*rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_MCAST; |
|
|
|
if (mc_count != vnic->mc_list_count) { |
|
vnic->mc_list_count = mc_count; |
|
update = true; |
|
} |
|
return update; |
|
} |
|
|
|
static bool bnxt_uc_list_updated(struct bnxt *bp) |
|
{ |
|
struct net_device *dev = bp->dev; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; |
|
struct netdev_hw_addr *ha; |
|
int off = 0; |
|
|
|
if (netdev_uc_count(dev) != (vnic->uc_filter_count - 1)) |
|
return true; |
|
|
|
netdev_for_each_uc_addr(ha, dev) { |
|
if (!ether_addr_equal(ha->addr, vnic->uc_list + off)) |
|
return true; |
|
|
|
off += ETH_ALEN; |
|
} |
|
return false; |
|
} |
|
|
|
static void bnxt_set_rx_mode(struct net_device *dev) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
struct bnxt_vnic_info *vnic; |
|
bool mc_update = false; |
|
bool uc_update; |
|
u32 mask; |
|
|
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) |
|
return; |
|
|
|
vnic = &bp->vnic_info[0]; |
|
mask = vnic->rx_mask; |
|
mask &= ~(CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS | |
|
CFA_L2_SET_RX_MASK_REQ_MASK_MCAST | |
|
CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST | |
|
CFA_L2_SET_RX_MASK_REQ_MASK_BCAST); |
|
|
|
if ((dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp)) |
|
mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS; |
|
|
|
uc_update = bnxt_uc_list_updated(bp); |
|
|
|
if (dev->flags & IFF_BROADCAST) |
|
mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST; |
|
if (dev->flags & IFF_ALLMULTI) { |
|
mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST; |
|
vnic->mc_list_count = 0; |
|
} else { |
|
mc_update = bnxt_mc_list_updated(bp, &mask); |
|
} |
|
|
|
if (mask != vnic->rx_mask || uc_update || mc_update) { |
|
vnic->rx_mask = mask; |
|
|
|
set_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
} |
|
|
|
static int bnxt_cfg_rx_mode(struct bnxt *bp) |
|
{ |
|
struct net_device *dev = bp->dev; |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; |
|
struct netdev_hw_addr *ha; |
|
int i, off = 0, rc; |
|
bool uc_update; |
|
|
|
netif_addr_lock_bh(dev); |
|
uc_update = bnxt_uc_list_updated(bp); |
|
netif_addr_unlock_bh(dev); |
|
|
|
if (!uc_update) |
|
goto skip_uc; |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
for (i = 1; i < vnic->uc_filter_count; i++) { |
|
struct hwrm_cfa_l2_filter_free_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_FREE, -1, |
|
-1); |
|
|
|
req.l2_filter_id = vnic->fw_l2_filter_id[i]; |
|
|
|
rc = _hwrm_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
|
|
vnic->uc_filter_count = 1; |
|
|
|
netif_addr_lock_bh(dev); |
|
if (netdev_uc_count(dev) > (BNXT_MAX_UC_ADDRS - 1)) { |
|
vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS; |
|
} else { |
|
netdev_for_each_uc_addr(ha, dev) { |
|
memcpy(vnic->uc_list + off, ha->addr, ETH_ALEN); |
|
off += ETH_ALEN; |
|
vnic->uc_filter_count++; |
|
} |
|
} |
|
netif_addr_unlock_bh(dev); |
|
|
|
for (i = 1, off = 0; i < vnic->uc_filter_count; i++, off += ETH_ALEN) { |
|
rc = bnxt_hwrm_set_vnic_filter(bp, 0, i, vnic->uc_list + off); |
|
if (rc) { |
|
netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", |
|
rc); |
|
vnic->uc_filter_count = i; |
|
return rc; |
|
} |
|
} |
|
|
|
skip_uc: |
|
rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0); |
|
if (rc && vnic->mc_list_count) { |
|
netdev_info(bp->dev, "Failed setting MC filters rc: %d, turning on ALL_MCAST mode\n", |
|
rc); |
|
vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST; |
|
vnic->mc_list_count = 0; |
|
rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0); |
|
} |
|
if (rc) |
|
netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %d\n", |
|
rc); |
|
|
|
return rc; |
|
} |
|
|
|
static bool bnxt_can_reserve_rings(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (BNXT_NEW_RM(bp) && BNXT_VF(bp)) { |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
|
|
/* No minimum rings were provisioned by the PF. Don't |
|
* reserve rings by default when device is down. |
|
*/ |
|
if (hw_resc->min_tx_rings || hw_resc->resv_tx_rings) |
|
return true; |
|
|
|
if (!netif_running(bp->dev)) |
|
return false; |
|
} |
|
#endif |
|
return true; |
|
} |
|
|
|
/* If the chip and firmware supports RFS */ |
|
static bool bnxt_rfs_supported(struct bnxt *bp) |
|
{ |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2) |
|
return true; |
|
return false; |
|
} |
|
/* 212 firmware is broken for aRFS */ |
|
if (BNXT_FW_MAJ(bp) == 212) |
|
return false; |
|
if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp)) |
|
return true; |
|
if (bp->flags & BNXT_FLAG_NEW_RSS_CAP) |
|
return true; |
|
return false; |
|
} |
|
|
|
/* If runtime conditions support RFS */ |
|
static bool bnxt_rfs_capable(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_RFS_ACCEL |
|
int vnics, max_vnics, max_rss_ctxs; |
|
|
|
if (bp->flags & BNXT_FLAG_CHIP_P5) |
|
return bnxt_rfs_supported(bp); |
|
if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp)) |
|
return false; |
|
|
|
vnics = 1 + bp->rx_nr_rings; |
|
max_vnics = bnxt_get_max_func_vnics(bp); |
|
max_rss_ctxs = bnxt_get_max_func_rss_ctxs(bp); |
|
|
|
/* RSS contexts not a limiting factor */ |
|
if (bp->flags & BNXT_FLAG_NEW_RSS_CAP) |
|
max_rss_ctxs = max_vnics; |
|
if (vnics > max_vnics || vnics > max_rss_ctxs) { |
|
if (bp->rx_nr_rings > 1) |
|
netdev_warn(bp->dev, |
|
"Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n", |
|
min(max_rss_ctxs - 1, max_vnics - 1)); |
|
return false; |
|
} |
|
|
|
if (!BNXT_NEW_RM(bp)) |
|
return true; |
|
|
|
if (vnics == bp->hw_resc.resv_vnics) |
|
return true; |
|
|
|
bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 0, vnics); |
|
if (vnics <= bp->hw_resc.resv_vnics) |
|
return true; |
|
|
|
netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n"); |
|
bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 0, 1); |
|
return false; |
|
#else |
|
return false; |
|
#endif |
|
} |
|
|
|
static netdev_features_t bnxt_fix_features(struct net_device *dev, |
|
netdev_features_t features) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
netdev_features_t vlan_features; |
|
|
|
if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp)) |
|
features &= ~NETIF_F_NTUPLE; |
|
|
|
if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) |
|
features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); |
|
|
|
if (!(features & NETIF_F_GRO)) |
|
features &= ~NETIF_F_GRO_HW; |
|
|
|
if (features & NETIF_F_GRO_HW) |
|
features &= ~NETIF_F_LRO; |
|
|
|
/* Both CTAG and STAG VLAN accelaration on the RX side have to be |
|
* turned on or off together. |
|
*/ |
|
vlan_features = features & BNXT_HW_FEATURE_VLAN_ALL_RX; |
|
if (vlan_features != BNXT_HW_FEATURE_VLAN_ALL_RX) { |
|
if (dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX) |
|
features &= ~BNXT_HW_FEATURE_VLAN_ALL_RX; |
|
else if (vlan_features) |
|
features |= BNXT_HW_FEATURE_VLAN_ALL_RX; |
|
} |
|
#ifdef CONFIG_BNXT_SRIOV |
|
if (BNXT_VF(bp) && bp->vf.vlan) |
|
features &= ~BNXT_HW_FEATURE_VLAN_ALL_RX; |
|
#endif |
|
return features; |
|
} |
|
|
|
static int bnxt_set_features(struct net_device *dev, netdev_features_t features) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
u32 flags = bp->flags; |
|
u32 changes; |
|
int rc = 0; |
|
bool re_init = false; |
|
bool update_tpa = false; |
|
|
|
flags &= ~BNXT_FLAG_ALL_CONFIG_FEATS; |
|
if (features & NETIF_F_GRO_HW) |
|
flags |= BNXT_FLAG_GRO; |
|
else if (features & NETIF_F_LRO) |
|
flags |= BNXT_FLAG_LRO; |
|
|
|
if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) |
|
flags &= ~BNXT_FLAG_TPA; |
|
|
|
if (features & BNXT_HW_FEATURE_VLAN_ALL_RX) |
|
flags |= BNXT_FLAG_STRIP_VLAN; |
|
|
|
if (features & NETIF_F_NTUPLE) |
|
flags |= BNXT_FLAG_RFS; |
|
|
|
changes = flags ^ bp->flags; |
|
if (changes & BNXT_FLAG_TPA) { |
|
update_tpa = true; |
|
if ((bp->flags & BNXT_FLAG_TPA) == 0 || |
|
(flags & BNXT_FLAG_TPA) == 0 || |
|
(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
re_init = true; |
|
} |
|
|
|
if (changes & ~BNXT_FLAG_TPA) |
|
re_init = true; |
|
|
|
if (flags != bp->flags) { |
|
u32 old_flags = bp->flags; |
|
|
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { |
|
bp->flags = flags; |
|
if (update_tpa) |
|
bnxt_set_ring_params(bp); |
|
return rc; |
|
} |
|
|
|
if (re_init) { |
|
bnxt_close_nic(bp, false, false); |
|
bp->flags = flags; |
|
if (update_tpa) |
|
bnxt_set_ring_params(bp); |
|
|
|
return bnxt_open_nic(bp, false, false); |
|
} |
|
if (update_tpa) { |
|
bp->flags = flags; |
|
rc = bnxt_set_tpa(bp, |
|
(flags & BNXT_FLAG_TPA) ? |
|
true : false); |
|
if (rc) |
|
bp->flags = old_flags; |
|
} |
|
} |
|
return rc; |
|
} |
|
|
|
int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words, |
|
u32 *reg_buf) |
|
{ |
|
struct hwrm_dbg_read_direct_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_dbg_read_direct_input req = {0}; |
|
__le32 *dbg_reg_buf; |
|
dma_addr_t mapping; |
|
int rc, i; |
|
|
|
dbg_reg_buf = dma_alloc_coherent(&bp->pdev->dev, num_words * 4, |
|
&mapping, GFP_KERNEL); |
|
if (!dbg_reg_buf) |
|
return -ENOMEM; |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_READ_DIRECT, -1, -1); |
|
req.host_dest_addr = cpu_to_le64(mapping); |
|
req.read_addr = cpu_to_le32(reg_off + CHIMP_REG_VIEW_ADDR); |
|
req.read_len32 = cpu_to_le32(num_words); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc || resp->error_code) { |
|
rc = -EIO; |
|
goto dbg_rd_reg_exit; |
|
} |
|
for (i = 0; i < num_words; i++) |
|
reg_buf[i] = le32_to_cpu(dbg_reg_buf[i]); |
|
|
|
dbg_rd_reg_exit: |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
dma_free_coherent(&bp->pdev->dev, num_words * 4, dbg_reg_buf, mapping); |
|
return rc; |
|
} |
|
|
|
static int bnxt_dbg_hwrm_ring_info_get(struct bnxt *bp, u8 ring_type, |
|
u32 ring_id, u32 *prod, u32 *cons) |
|
{ |
|
struct hwrm_dbg_ring_info_get_output *resp = bp->hwrm_cmd_resp_addr; |
|
struct hwrm_dbg_ring_info_get_input req = {0}; |
|
int rc; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_RING_INFO_GET, -1, -1); |
|
req.ring_type = ring_type; |
|
req.fw_ring_id = cpu_to_le32(ring_id); |
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (!rc) { |
|
*prod = le32_to_cpu(resp->producer_index); |
|
*cons = le32_to_cpu(resp->consumer_index); |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
return rc; |
|
} |
|
|
|
static void bnxt_dump_tx_sw_state(struct bnxt_napi *bnapi) |
|
{ |
|
struct bnxt_tx_ring_info *txr = bnapi->tx_ring; |
|
int i = bnapi->index; |
|
|
|
if (!txr) |
|
return; |
|
|
|
netdev_info(bnapi->bp->dev, "[%d]: tx{fw_ring: %d prod: %x cons: %x}\n", |
|
i, txr->tx_ring_struct.fw_ring_id, txr->tx_prod, |
|
txr->tx_cons); |
|
} |
|
|
|
static void bnxt_dump_rx_sw_state(struct bnxt_napi *bnapi) |
|
{ |
|
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; |
|
int i = bnapi->index; |
|
|
|
if (!rxr) |
|
return; |
|
|
|
netdev_info(bnapi->bp->dev, "[%d]: rx{fw_ring: %d prod: %x} rx_agg{fw_ring: %d agg_prod: %x sw_agg_prod: %x}\n", |
|
i, rxr->rx_ring_struct.fw_ring_id, rxr->rx_prod, |
|
rxr->rx_agg_ring_struct.fw_ring_id, rxr->rx_agg_prod, |
|
rxr->rx_sw_agg_prod); |
|
} |
|
|
|
static void bnxt_dump_cp_sw_state(struct bnxt_napi *bnapi) |
|
{ |
|
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; |
|
int i = bnapi->index; |
|
|
|
netdev_info(bnapi->bp->dev, "[%d]: cp{fw_ring: %d raw_cons: %x}\n", |
|
i, cpr->cp_ring_struct.fw_ring_id, cpr->cp_raw_cons); |
|
} |
|
|
|
static void bnxt_dbg_dump_states(struct bnxt *bp) |
|
{ |
|
int i; |
|
struct bnxt_napi *bnapi; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
bnapi = bp->bnapi[i]; |
|
if (netif_msg_drv(bp)) { |
|
bnxt_dump_tx_sw_state(bnapi); |
|
bnxt_dump_rx_sw_state(bnapi); |
|
bnxt_dump_cp_sw_state(bnapi); |
|
} |
|
} |
|
} |
|
|
|
static int bnxt_hwrm_rx_ring_reset(struct bnxt *bp, int ring_nr) |
|
{ |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; |
|
struct hwrm_ring_reset_input req = {0}; |
|
struct bnxt_napi *bnapi = rxr->bnapi; |
|
struct bnxt_cp_ring_info *cpr; |
|
u16 cp_ring_id; |
|
|
|
cpr = &bnapi->cp_ring; |
|
cp_ring_id = cpr->cp_ring_struct.fw_ring_id; |
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_RESET, cp_ring_id, -1); |
|
req.ring_type = RING_RESET_REQ_RING_TYPE_RX_RING_GRP; |
|
req.ring_id = cpu_to_le16(bp->grp_info[bnapi->index].fw_grp_id); |
|
return hwrm_send_message_silent(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
static void bnxt_reset_task(struct bnxt *bp, bool silent) |
|
{ |
|
if (!silent) |
|
bnxt_dbg_dump_states(bp); |
|
if (netif_running(bp->dev)) { |
|
int rc; |
|
|
|
if (silent) { |
|
bnxt_close_nic(bp, false, false); |
|
bnxt_open_nic(bp, false, false); |
|
} else { |
|
bnxt_ulp_stop(bp); |
|
bnxt_close_nic(bp, true, false); |
|
rc = bnxt_open_nic(bp, true, false); |
|
bnxt_ulp_start(bp, rc); |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_tx_timeout(struct net_device *dev, unsigned int txqueue) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
netdev_err(bp->dev, "TX timeout detected, starting reset task!\n"); |
|
set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
|
|
static void bnxt_fw_health_check(struct bnxt *bp) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
u32 val; |
|
|
|
if (!fw_health->enabled || test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) |
|
return; |
|
|
|
if (fw_health->tmr_counter) { |
|
fw_health->tmr_counter--; |
|
return; |
|
} |
|
|
|
val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); |
|
if (val == fw_health->last_fw_heartbeat) |
|
goto fw_reset; |
|
|
|
fw_health->last_fw_heartbeat = val; |
|
|
|
val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); |
|
if (val != fw_health->last_fw_reset_cnt) |
|
goto fw_reset; |
|
|
|
fw_health->tmr_counter = fw_health->tmr_multiplier; |
|
return; |
|
|
|
fw_reset: |
|
set_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
|
|
static void bnxt_timer(struct timer_list *t) |
|
{ |
|
struct bnxt *bp = from_timer(bp, t, timer); |
|
struct net_device *dev = bp->dev; |
|
|
|
if (!netif_running(dev) || !test_bit(BNXT_STATE_OPEN, &bp->state)) |
|
return; |
|
|
|
if (atomic_read(&bp->intr_sem) != 0) |
|
goto bnxt_restart_timer; |
|
|
|
if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) |
|
bnxt_fw_health_check(bp); |
|
|
|
if (bp->link_info.link_up && bp->stats_coal_ticks) { |
|
set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
|
|
if (bnxt_tc_flower_enabled(bp)) { |
|
set_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
if ((bp->flags & BNXT_FLAG_RFS) && bp->ntp_fltr_count) { |
|
set_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
#endif /*CONFIG_RFS_ACCEL*/ |
|
|
|
if (bp->link_info.phy_retry) { |
|
if (time_after(jiffies, bp->link_info.phy_retry_expires)) { |
|
bp->link_info.phy_retry = false; |
|
netdev_warn(bp->dev, "failed to update phy settings after maximum retries.\n"); |
|
} else { |
|
set_bit(BNXT_UPDATE_PHY_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
} |
|
|
|
if ((bp->flags & BNXT_FLAG_CHIP_P5) && !bp->chip_rev && |
|
netif_carrier_ok(dev)) { |
|
set_bit(BNXT_RING_COAL_NOW_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
} |
|
bnxt_restart_timer: |
|
mod_timer(&bp->timer, jiffies + bp->current_interval); |
|
} |
|
|
|
static void bnxt_rtnl_lock_sp(struct bnxt *bp) |
|
{ |
|
/* We are called from bnxt_sp_task which has BNXT_STATE_IN_SP_TASK |
|
* set. If the device is being closed, bnxt_close() may be holding |
|
* rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear. So we |
|
* must clear BNXT_STATE_IN_SP_TASK before holding rtnl(). |
|
*/ |
|
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); |
|
rtnl_lock(); |
|
} |
|
|
|
static void bnxt_rtnl_unlock_sp(struct bnxt *bp) |
|
{ |
|
set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); |
|
rtnl_unlock(); |
|
} |
|
|
|
/* Only called from bnxt_sp_task() */ |
|
static void bnxt_reset(struct bnxt *bp, bool silent) |
|
{ |
|
bnxt_rtnl_lock_sp(bp); |
|
if (test_bit(BNXT_STATE_OPEN, &bp->state)) |
|
bnxt_reset_task(bp, silent); |
|
bnxt_rtnl_unlock_sp(bp); |
|
} |
|
|
|
/* Only called from bnxt_sp_task() */ |
|
static void bnxt_rx_ring_reset(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
bnxt_rtnl_lock_sp(bp); |
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { |
|
bnxt_rtnl_unlock_sp(bp); |
|
return; |
|
} |
|
/* Disable and flush TPA before resetting the RX ring */ |
|
if (bp->flags & BNXT_FLAG_TPA) |
|
bnxt_set_tpa(bp, false); |
|
for (i = 0; i < bp->rx_nr_rings; i++) { |
|
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
int rc; |
|
|
|
if (!rxr->bnapi->in_reset) |
|
continue; |
|
|
|
rc = bnxt_hwrm_rx_ring_reset(bp, i); |
|
if (rc) { |
|
if (rc == -EINVAL || rc == -EOPNOTSUPP) |
|
netdev_info_once(bp->dev, "RX ring reset not supported by firmware, falling back to global reset\n"); |
|
else |
|
netdev_warn(bp->dev, "RX ring reset failed, rc = %d, falling back to global reset\n", |
|
rc); |
|
bnxt_reset_task(bp, true); |
|
break; |
|
} |
|
bnxt_free_one_rx_ring_skbs(bp, i); |
|
rxr->rx_prod = 0; |
|
rxr->rx_agg_prod = 0; |
|
rxr->rx_sw_agg_prod = 0; |
|
rxr->rx_next_cons = 0; |
|
rxr->bnapi->in_reset = false; |
|
bnxt_alloc_one_rx_ring(bp, i); |
|
cpr = &rxr->bnapi->cp_ring; |
|
cpr->sw_stats.rx.rx_resets++; |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); |
|
bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); |
|
} |
|
if (bp->flags & BNXT_FLAG_TPA) |
|
bnxt_set_tpa(bp, true); |
|
bnxt_rtnl_unlock_sp(bp); |
|
} |
|
|
|
static void bnxt_fw_reset_close(struct bnxt *bp) |
|
{ |
|
bnxt_ulp_stop(bp); |
|
/* When firmware is fatal state, disable PCI device to prevent |
|
* any potential bad DMAs before freeing kernel memory. |
|
*/ |
|
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) |
|
pci_disable_device(bp->pdev); |
|
__bnxt_close_nic(bp, true, false); |
|
bnxt_clear_int_mode(bp); |
|
bnxt_hwrm_func_drv_unrgtr(bp); |
|
if (pci_is_enabled(bp->pdev)) |
|
pci_disable_device(bp->pdev); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
} |
|
|
|
static bool is_bnxt_fw_ok(struct bnxt *bp) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
bool no_heartbeat = false, has_reset = false; |
|
u32 val; |
|
|
|
val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); |
|
if (val == fw_health->last_fw_heartbeat) |
|
no_heartbeat = true; |
|
|
|
val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); |
|
if (val != fw_health->last_fw_reset_cnt) |
|
has_reset = true; |
|
|
|
if (!no_heartbeat && has_reset) |
|
return true; |
|
|
|
return false; |
|
} |
|
|
|
/* rtnl_lock is acquired before calling this function */ |
|
static void bnxt_force_fw_reset(struct bnxt *bp) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
u32 wait_dsecs; |
|
|
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state) || |
|
test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) |
|
return; |
|
|
|
set_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
bnxt_fw_reset_close(bp); |
|
wait_dsecs = fw_health->master_func_wait_dsecs; |
|
if (fw_health->master) { |
|
if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) |
|
wait_dsecs = 0; |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; |
|
} else { |
|
bp->fw_reset_timestamp = jiffies + wait_dsecs * HZ / 10; |
|
wait_dsecs = fw_health->normal_func_wait_dsecs; |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; |
|
} |
|
|
|
bp->fw_reset_min_dsecs = fw_health->post_reset_wait_dsecs; |
|
bp->fw_reset_max_dsecs = fw_health->post_reset_max_wait_dsecs; |
|
bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); |
|
} |
|
|
|
void bnxt_fw_exception(struct bnxt *bp) |
|
{ |
|
netdev_warn(bp->dev, "Detected firmware fatal condition, initiating reset\n"); |
|
set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); |
|
bnxt_rtnl_lock_sp(bp); |
|
bnxt_force_fw_reset(bp); |
|
bnxt_rtnl_unlock_sp(bp); |
|
} |
|
|
|
/* Returns the number of registered VFs, or 1 if VF configuration is pending, or |
|
* < 0 on error. |
|
*/ |
|
static int bnxt_get_registered_vfs(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_BNXT_SRIOV |
|
int rc; |
|
|
|
if (!BNXT_PF(bp)) |
|
return 0; |
|
|
|
rc = bnxt_hwrm_func_qcfg(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "func_qcfg cmd failed, rc = %d\n", rc); |
|
return rc; |
|
} |
|
if (bp->pf.registered_vfs) |
|
return bp->pf.registered_vfs; |
|
if (bp->sriov_cfg) |
|
return 1; |
|
#endif |
|
return 0; |
|
} |
|
|
|
void bnxt_fw_reset(struct bnxt *bp) |
|
{ |
|
bnxt_rtnl_lock_sp(bp); |
|
if (test_bit(BNXT_STATE_OPEN, &bp->state) && |
|
!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { |
|
int n = 0, tmo; |
|
|
|
set_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
if (bp->pf.active_vfs && |
|
!test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) |
|
n = bnxt_get_registered_vfs(bp); |
|
if (n < 0) { |
|
netdev_err(bp->dev, "Firmware reset aborted, rc = %d\n", |
|
n); |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
dev_close(bp->dev); |
|
goto fw_reset_exit; |
|
} else if (n > 0) { |
|
u16 vf_tmo_dsecs = n * 10; |
|
|
|
if (bp->fw_reset_max_dsecs < vf_tmo_dsecs) |
|
bp->fw_reset_max_dsecs = vf_tmo_dsecs; |
|
bp->fw_reset_state = |
|
BNXT_FW_RESET_STATE_POLL_VF; |
|
bnxt_queue_fw_reset_work(bp, HZ / 10); |
|
goto fw_reset_exit; |
|
} |
|
bnxt_fw_reset_close(bp); |
|
if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) { |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW_DOWN; |
|
tmo = HZ / 10; |
|
} else { |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; |
|
tmo = bp->fw_reset_min_dsecs * HZ / 10; |
|
} |
|
bnxt_queue_fw_reset_work(bp, tmo); |
|
} |
|
fw_reset_exit: |
|
bnxt_rtnl_unlock_sp(bp); |
|
} |
|
|
|
static void bnxt_chk_missed_irq(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
return; |
|
|
|
for (i = 0; i < bp->cp_nr_rings; i++) { |
|
struct bnxt_napi *bnapi = bp->bnapi[i]; |
|
struct bnxt_cp_ring_info *cpr; |
|
u32 fw_ring_id; |
|
int j; |
|
|
|
if (!bnapi) |
|
continue; |
|
|
|
cpr = &bnapi->cp_ring; |
|
for (j = 0; j < 2; j++) { |
|
struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; |
|
u32 val[2]; |
|
|
|
if (!cpr2 || cpr2->has_more_work || |
|
!bnxt_has_work(bp, cpr2)) |
|
continue; |
|
|
|
if (cpr2->cp_raw_cons != cpr2->last_cp_raw_cons) { |
|
cpr2->last_cp_raw_cons = cpr2->cp_raw_cons; |
|
continue; |
|
} |
|
fw_ring_id = cpr2->cp_ring_struct.fw_ring_id; |
|
bnxt_dbg_hwrm_ring_info_get(bp, |
|
DBG_RING_INFO_GET_REQ_RING_TYPE_L2_CMPL, |
|
fw_ring_id, &val[0], &val[1]); |
|
cpr->sw_stats.cmn.missed_irqs++; |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_cfg_ntp_filters(struct bnxt *); |
|
|
|
static void bnxt_init_ethtool_link_settings(struct bnxt *bp) |
|
{ |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
if (BNXT_AUTO_MODE(link_info->auto_mode)) { |
|
link_info->autoneg = BNXT_AUTONEG_SPEED; |
|
if (bp->hwrm_spec_code >= 0x10201) { |
|
if (link_info->auto_pause_setting & |
|
PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE) |
|
link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; |
|
} else { |
|
link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; |
|
} |
|
link_info->advertising = link_info->auto_link_speeds; |
|
link_info->advertising_pam4 = link_info->auto_pam4_link_speeds; |
|
} else { |
|
link_info->req_link_speed = link_info->force_link_speed; |
|
link_info->req_signal_mode = BNXT_SIG_MODE_NRZ; |
|
if (link_info->force_pam4_link_speed) { |
|
link_info->req_link_speed = |
|
link_info->force_pam4_link_speed; |
|
link_info->req_signal_mode = BNXT_SIG_MODE_PAM4; |
|
} |
|
link_info->req_duplex = link_info->duplex_setting; |
|
} |
|
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) |
|
link_info->req_flow_ctrl = |
|
link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH; |
|
else |
|
link_info->req_flow_ctrl = link_info->force_pause_setting; |
|
} |
|
|
|
static void bnxt_sp_task(struct work_struct *work) |
|
{ |
|
struct bnxt *bp = container_of(work, struct bnxt, sp_task); |
|
|
|
set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); |
|
smp_mb__after_atomic(); |
|
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { |
|
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); |
|
return; |
|
} |
|
|
|
if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event)) |
|
bnxt_cfg_rx_mode(bp); |
|
|
|
if (test_and_clear_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event)) |
|
bnxt_cfg_ntp_filters(bp); |
|
if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event)) |
|
bnxt_hwrm_exec_fwd_req(bp); |
|
if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) { |
|
bnxt_hwrm_port_qstats(bp, 0); |
|
bnxt_hwrm_port_qstats_ext(bp, 0); |
|
bnxt_accumulate_all_stats(bp); |
|
} |
|
|
|
if (test_and_clear_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event)) { |
|
int rc; |
|
|
|
mutex_lock(&bp->link_lock); |
|
if (test_and_clear_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, |
|
&bp->sp_event)) |
|
bnxt_hwrm_phy_qcaps(bp); |
|
|
|
rc = bnxt_update_link(bp, true); |
|
if (rc) |
|
netdev_err(bp->dev, "SP task can't update link (rc: %x)\n", |
|
rc); |
|
|
|
if (test_and_clear_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT, |
|
&bp->sp_event)) |
|
bnxt_init_ethtool_link_settings(bp); |
|
mutex_unlock(&bp->link_lock); |
|
} |
|
if (test_and_clear_bit(BNXT_UPDATE_PHY_SP_EVENT, &bp->sp_event)) { |
|
int rc; |
|
|
|
mutex_lock(&bp->link_lock); |
|
rc = bnxt_update_phy_setting(bp); |
|
mutex_unlock(&bp->link_lock); |
|
if (rc) { |
|
netdev_warn(bp->dev, "update phy settings retry failed\n"); |
|
} else { |
|
bp->link_info.phy_retry = false; |
|
netdev_info(bp->dev, "update phy settings retry succeeded\n"); |
|
} |
|
} |
|
if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event)) { |
|
mutex_lock(&bp->link_lock); |
|
bnxt_get_port_module_status(bp); |
|
mutex_unlock(&bp->link_lock); |
|
} |
|
|
|
if (test_and_clear_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event)) |
|
bnxt_tc_flow_stats_work(bp); |
|
|
|
if (test_and_clear_bit(BNXT_RING_COAL_NOW_SP_EVENT, &bp->sp_event)) |
|
bnxt_chk_missed_irq(bp); |
|
|
|
/* These functions below will clear BNXT_STATE_IN_SP_TASK. They |
|
* must be the last functions to be called before exiting. |
|
*/ |
|
if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) |
|
bnxt_reset(bp, false); |
|
|
|
if (test_and_clear_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event)) |
|
bnxt_reset(bp, true); |
|
|
|
if (test_and_clear_bit(BNXT_RST_RING_SP_EVENT, &bp->sp_event)) |
|
bnxt_rx_ring_reset(bp); |
|
|
|
if (test_and_clear_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event)) |
|
bnxt_devlink_health_report(bp, BNXT_FW_RESET_NOTIFY_SP_EVENT); |
|
|
|
if (test_and_clear_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event)) { |
|
if (!is_bnxt_fw_ok(bp)) |
|
bnxt_devlink_health_report(bp, |
|
BNXT_FW_EXCEPTION_SP_EVENT); |
|
} |
|
|
|
smp_mb__before_atomic(); |
|
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); |
|
} |
|
|
|
/* Under rtnl_lock */ |
|
int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, |
|
int tx_xdp) |
|
{ |
|
int max_rx, max_tx, tx_sets = 1; |
|
int tx_rings_needed, stats; |
|
int rx_rings = rx; |
|
int cp, vnics, rc; |
|
|
|
if (tcs) |
|
tx_sets = tcs; |
|
|
|
rc = bnxt_get_max_rings(bp, &max_rx, &max_tx, sh); |
|
if (rc) |
|
return rc; |
|
|
|
if (max_rx < rx) |
|
return -ENOMEM; |
|
|
|
tx_rings_needed = tx * tx_sets + tx_xdp; |
|
if (max_tx < tx_rings_needed) |
|
return -ENOMEM; |
|
|
|
vnics = 1; |
|
if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) |
|
vnics += rx_rings; |
|
|
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
rx_rings <<= 1; |
|
cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx; |
|
stats = cp; |
|
if (BNXT_NEW_RM(bp)) { |
|
cp += bnxt_get_ulp_msix_num(bp); |
|
stats += bnxt_get_ulp_stat_ctxs(bp); |
|
} |
|
return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp, |
|
stats, vnics); |
|
} |
|
|
|
static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev) |
|
{ |
|
if (bp->bar2) { |
|
pci_iounmap(pdev, bp->bar2); |
|
bp->bar2 = NULL; |
|
} |
|
|
|
if (bp->bar1) { |
|
pci_iounmap(pdev, bp->bar1); |
|
bp->bar1 = NULL; |
|
} |
|
|
|
if (bp->bar0) { |
|
pci_iounmap(pdev, bp->bar0); |
|
bp->bar0 = NULL; |
|
} |
|
} |
|
|
|
static void bnxt_cleanup_pci(struct bnxt *bp) |
|
{ |
|
bnxt_unmap_bars(bp, bp->pdev); |
|
pci_release_regions(bp->pdev); |
|
if (pci_is_enabled(bp->pdev)) |
|
pci_disable_device(bp->pdev); |
|
} |
|
|
|
static void bnxt_init_dflt_coal(struct bnxt *bp) |
|
{ |
|
struct bnxt_coal *coal; |
|
|
|
/* Tick values in micro seconds. |
|
* 1 coal_buf x bufs_per_record = 1 completion record. |
|
*/ |
|
coal = &bp->rx_coal; |
|
coal->coal_ticks = 10; |
|
coal->coal_bufs = 30; |
|
coal->coal_ticks_irq = 1; |
|
coal->coal_bufs_irq = 2; |
|
coal->idle_thresh = 50; |
|
coal->bufs_per_record = 2; |
|
coal->budget = 64; /* NAPI budget */ |
|
|
|
coal = &bp->tx_coal; |
|
coal->coal_ticks = 28; |
|
coal->coal_bufs = 30; |
|
coal->coal_ticks_irq = 2; |
|
coal->coal_bufs_irq = 2; |
|
coal->bufs_per_record = 1; |
|
|
|
bp->stats_coal_ticks = BNXT_DEF_STATS_COAL_TICKS; |
|
} |
|
|
|
static int bnxt_fw_reset_via_optee(struct bnxt *bp) |
|
{ |
|
#ifdef CONFIG_TEE_BNXT_FW |
|
int rc = tee_bnxt_fw_load(); |
|
|
|
if (rc) |
|
netdev_err(bp->dev, "Failed FW reset via OP-TEE, rc=%d\n", rc); |
|
|
|
return rc; |
|
#else |
|
netdev_err(bp->dev, "OP-TEE not supported\n"); |
|
return -ENODEV; |
|
#endif |
|
} |
|
|
|
static int bnxt_fw_init_one_p1(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
bp->fw_cap = 0; |
|
rc = bnxt_hwrm_ver_get(bp); |
|
bnxt_try_map_fw_health_reg(bp); |
|
if (rc) { |
|
if (bp->fw_health && bp->fw_health->status_reliable) { |
|
u32 sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); |
|
|
|
netdev_err(bp->dev, |
|
"Firmware not responding, status: 0x%x\n", |
|
sts); |
|
if (sts & FW_STATUS_REG_CRASHED_NO_MASTER) { |
|
netdev_warn(bp->dev, "Firmware recover via OP-TEE requested\n"); |
|
rc = bnxt_fw_reset_via_optee(bp); |
|
if (!rc) |
|
rc = bnxt_hwrm_ver_get(bp); |
|
} |
|
} |
|
if (rc) |
|
return rc; |
|
} |
|
|
|
if (bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL) { |
|
rc = bnxt_alloc_kong_hwrm_resources(bp); |
|
if (rc) |
|
bp->fw_cap &= ~BNXT_FW_CAP_KONG_MB_CHNL; |
|
} |
|
|
|
if ((bp->fw_cap & BNXT_FW_CAP_SHORT_CMD) || |
|
bp->hwrm_max_ext_req_len > BNXT_HWRM_MAX_REQ_LEN) { |
|
rc = bnxt_alloc_hwrm_short_cmd_req(bp); |
|
if (rc) |
|
return rc; |
|
} |
|
bnxt_nvm_cfg_ver_get(bp); |
|
|
|
rc = bnxt_hwrm_func_reset(bp); |
|
if (rc) |
|
return -ENODEV; |
|
|
|
bnxt_hwrm_fw_set_time(bp); |
|
return 0; |
|
} |
|
|
|
static int bnxt_fw_init_one_p2(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
/* Get the MAX capabilities for this function */ |
|
rc = bnxt_hwrm_func_qcaps(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "hwrm query capability failure rc: %x\n", |
|
rc); |
|
return -ENODEV; |
|
} |
|
|
|
rc = bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(bp); |
|
if (rc) |
|
netdev_warn(bp->dev, "hwrm query adv flow mgnt failure rc: %d\n", |
|
rc); |
|
|
|
if (bnxt_alloc_fw_health(bp)) { |
|
netdev_warn(bp->dev, "no memory for firmware error recovery\n"); |
|
} else { |
|
rc = bnxt_hwrm_error_recovery_qcfg(bp); |
|
if (rc) |
|
netdev_warn(bp->dev, "hwrm query error recovery failure rc: %d\n", |
|
rc); |
|
} |
|
|
|
rc = bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false); |
|
if (rc) |
|
return -ENODEV; |
|
|
|
bnxt_hwrm_func_qcfg(bp); |
|
bnxt_hwrm_vnic_qcaps(bp); |
|
bnxt_hwrm_port_led_qcaps(bp); |
|
bnxt_ethtool_init(bp); |
|
bnxt_dcb_init(bp); |
|
return 0; |
|
} |
|
|
|
static void bnxt_set_dflt_rss_hash_type(struct bnxt *bp) |
|
{ |
|
bp->flags &= ~BNXT_FLAG_UDP_RSS_CAP; |
|
bp->rss_hash_cfg = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 | |
|
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4 | |
|
VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6 | |
|
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; |
|
if (BNXT_CHIP_P4_PLUS(bp) && bp->hwrm_spec_code >= 0x10501) { |
|
bp->flags |= BNXT_FLAG_UDP_RSS_CAP; |
|
bp->rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4 | |
|
VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; |
|
} |
|
} |
|
|
|
static void bnxt_set_dflt_rfs(struct bnxt *bp) |
|
{ |
|
struct net_device *dev = bp->dev; |
|
|
|
dev->hw_features &= ~NETIF_F_NTUPLE; |
|
dev->features &= ~NETIF_F_NTUPLE; |
|
bp->flags &= ~BNXT_FLAG_RFS; |
|
if (bnxt_rfs_supported(bp)) { |
|
dev->hw_features |= NETIF_F_NTUPLE; |
|
if (bnxt_rfs_capable(bp)) { |
|
bp->flags |= BNXT_FLAG_RFS; |
|
dev->features |= NETIF_F_NTUPLE; |
|
} |
|
} |
|
} |
|
|
|
static void bnxt_fw_init_one_p3(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
|
|
bnxt_set_dflt_rss_hash_type(bp); |
|
bnxt_set_dflt_rfs(bp); |
|
|
|
bnxt_get_wol_settings(bp); |
|
if (bp->flags & BNXT_FLAG_WOL_CAP) |
|
device_set_wakeup_enable(&pdev->dev, bp->wol); |
|
else |
|
device_set_wakeup_capable(&pdev->dev, false); |
|
|
|
bnxt_hwrm_set_cache_line_size(bp, cache_line_size()); |
|
bnxt_hwrm_coal_params_qcaps(bp); |
|
} |
|
|
|
static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt); |
|
|
|
static int bnxt_fw_init_one(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
rc = bnxt_fw_init_one_p1(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "Firmware init phase 1 failed\n"); |
|
return rc; |
|
} |
|
rc = bnxt_fw_init_one_p2(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "Firmware init phase 2 failed\n"); |
|
return rc; |
|
} |
|
rc = bnxt_probe_phy(bp, false); |
|
if (rc) |
|
return rc; |
|
rc = bnxt_approve_mac(bp, bp->dev->dev_addr, false); |
|
if (rc) |
|
return rc; |
|
|
|
/* In case fw capabilities have changed, destroy the unneeded |
|
* reporters and create newly capable ones. |
|
*/ |
|
bnxt_dl_fw_reporters_destroy(bp, false); |
|
bnxt_dl_fw_reporters_create(bp); |
|
bnxt_fw_init_one_p3(bp); |
|
return 0; |
|
} |
|
|
|
static void bnxt_fw_reset_writel(struct bnxt *bp, int reg_idx) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
u32 reg = fw_health->fw_reset_seq_regs[reg_idx]; |
|
u32 val = fw_health->fw_reset_seq_vals[reg_idx]; |
|
u32 reg_type, reg_off, delay_msecs; |
|
|
|
delay_msecs = fw_health->fw_reset_seq_delay_msec[reg_idx]; |
|
reg_type = BNXT_FW_HEALTH_REG_TYPE(reg); |
|
reg_off = BNXT_FW_HEALTH_REG_OFF(reg); |
|
switch (reg_type) { |
|
case BNXT_FW_HEALTH_REG_TYPE_CFG: |
|
pci_write_config_dword(bp->pdev, reg_off, val); |
|
break; |
|
case BNXT_FW_HEALTH_REG_TYPE_GRC: |
|
writel(reg_off & BNXT_GRC_BASE_MASK, |
|
bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4); |
|
reg_off = (reg_off & BNXT_GRC_OFFSET_MASK) + 0x2000; |
|
fallthrough; |
|
case BNXT_FW_HEALTH_REG_TYPE_BAR0: |
|
writel(val, bp->bar0 + reg_off); |
|
break; |
|
case BNXT_FW_HEALTH_REG_TYPE_BAR1: |
|
writel(val, bp->bar1 + reg_off); |
|
break; |
|
} |
|
if (delay_msecs) { |
|
pci_read_config_dword(bp->pdev, 0, &val); |
|
msleep(delay_msecs); |
|
} |
|
} |
|
|
|
static void bnxt_reset_all(struct bnxt *bp) |
|
{ |
|
struct bnxt_fw_health *fw_health = bp->fw_health; |
|
int i, rc; |
|
|
|
if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) { |
|
bnxt_fw_reset_via_optee(bp); |
|
bp->fw_reset_timestamp = jiffies; |
|
return; |
|
} |
|
|
|
if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_HOST) { |
|
for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) |
|
bnxt_fw_reset_writel(bp, i); |
|
} else if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) { |
|
struct hwrm_fw_reset_input req = {0}; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); |
|
req.resp_addr = cpu_to_le64(bp->hwrm_cmd_kong_resp_dma_addr); |
|
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP; |
|
req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP; |
|
req.flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL; |
|
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
netdev_warn(bp->dev, "Unable to reset FW rc=%d\n", rc); |
|
} |
|
bp->fw_reset_timestamp = jiffies; |
|
} |
|
|
|
static void bnxt_fw_reset_task(struct work_struct *work) |
|
{ |
|
struct bnxt *bp = container_of(work, struct bnxt, fw_reset_task.work); |
|
int rc; |
|
|
|
if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { |
|
netdev_err(bp->dev, "bnxt_fw_reset_task() called when not in fw reset mode!\n"); |
|
return; |
|
} |
|
|
|
switch (bp->fw_reset_state) { |
|
case BNXT_FW_RESET_STATE_POLL_VF: { |
|
int n = bnxt_get_registered_vfs(bp); |
|
int tmo; |
|
|
|
if (n < 0) { |
|
netdev_err(bp->dev, "Firmware reset aborted, subsequent func_qcfg cmd failed, rc = %d, %d msecs since reset timestamp\n", |
|
n, jiffies_to_msecs(jiffies - |
|
bp->fw_reset_timestamp)); |
|
goto fw_reset_abort; |
|
} else if (n > 0) { |
|
if (time_after(jiffies, bp->fw_reset_timestamp + |
|
(bp->fw_reset_max_dsecs * HZ / 10))) { |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
bp->fw_reset_state = 0; |
|
netdev_err(bp->dev, "Firmware reset aborted, bnxt_get_registered_vfs() returns %d\n", |
|
n); |
|
return; |
|
} |
|
bnxt_queue_fw_reset_work(bp, HZ / 10); |
|
return; |
|
} |
|
bp->fw_reset_timestamp = jiffies; |
|
rtnl_lock(); |
|
if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) { |
|
rtnl_unlock(); |
|
goto fw_reset_abort; |
|
} |
|
bnxt_fw_reset_close(bp); |
|
if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) { |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW_DOWN; |
|
tmo = HZ / 10; |
|
} else { |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; |
|
tmo = bp->fw_reset_min_dsecs * HZ / 10; |
|
} |
|
rtnl_unlock(); |
|
bnxt_queue_fw_reset_work(bp, tmo); |
|
return; |
|
} |
|
case BNXT_FW_RESET_STATE_POLL_FW_DOWN: { |
|
u32 val; |
|
|
|
val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); |
|
if (!(val & BNXT_FW_STATUS_SHUTDOWN) && |
|
!time_after(jiffies, bp->fw_reset_timestamp + |
|
(bp->fw_reset_max_dsecs * HZ / 10))) { |
|
bnxt_queue_fw_reset_work(bp, HZ / 5); |
|
return; |
|
} |
|
|
|
if (!bp->fw_health->master) { |
|
u32 wait_dsecs = bp->fw_health->normal_func_wait_dsecs; |
|
|
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; |
|
bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); |
|
return; |
|
} |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; |
|
} |
|
fallthrough; |
|
case BNXT_FW_RESET_STATE_RESET_FW: |
|
bnxt_reset_all(bp); |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; |
|
bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10); |
|
return; |
|
case BNXT_FW_RESET_STATE_ENABLE_DEV: |
|
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) { |
|
u32 val; |
|
|
|
val = bnxt_fw_health_readl(bp, |
|
BNXT_FW_RESET_INPROG_REG); |
|
if (val) |
|
netdev_warn(bp->dev, "FW reset inprog %x after min wait time.\n", |
|
val); |
|
} |
|
clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); |
|
if (pci_enable_device(bp->pdev)) { |
|
netdev_err(bp->dev, "Cannot re-enable PCI device\n"); |
|
goto fw_reset_abort; |
|
} |
|
pci_set_master(bp->pdev); |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW; |
|
fallthrough; |
|
case BNXT_FW_RESET_STATE_POLL_FW: |
|
bp->hwrm_cmd_timeout = SHORT_HWRM_CMD_TIMEOUT; |
|
rc = __bnxt_hwrm_ver_get(bp, true); |
|
if (rc) { |
|
if (time_after(jiffies, bp->fw_reset_timestamp + |
|
(bp->fw_reset_max_dsecs * HZ / 10))) { |
|
netdev_err(bp->dev, "Firmware reset aborted\n"); |
|
goto fw_reset_abort_status; |
|
} |
|
bnxt_queue_fw_reset_work(bp, HZ / 5); |
|
return; |
|
} |
|
bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT; |
|
bp->fw_reset_state = BNXT_FW_RESET_STATE_OPENING; |
|
fallthrough; |
|
case BNXT_FW_RESET_STATE_OPENING: |
|
while (!rtnl_trylock()) { |
|
bnxt_queue_fw_reset_work(bp, HZ / 10); |
|
return; |
|
} |
|
rc = bnxt_open(bp->dev); |
|
if (rc) { |
|
netdev_err(bp->dev, "bnxt_open_nic() failed\n"); |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
dev_close(bp->dev); |
|
} |
|
|
|
bp->fw_reset_state = 0; |
|
/* Make sure fw_reset_state is 0 before clearing the flag */ |
|
smp_mb__before_atomic(); |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
bnxt_ulp_start(bp, rc); |
|
if (!rc) |
|
bnxt_reenable_sriov(bp); |
|
bnxt_dl_health_recovery_done(bp); |
|
bnxt_dl_health_status_update(bp, true); |
|
rtnl_unlock(); |
|
break; |
|
} |
|
return; |
|
|
|
fw_reset_abort_status: |
|
if (bp->fw_health->status_reliable || |
|
(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) { |
|
u32 sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); |
|
|
|
netdev_err(bp->dev, "fw_health_status 0x%x\n", sts); |
|
} |
|
fw_reset_abort: |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF) |
|
bnxt_dl_health_status_update(bp, false); |
|
bp->fw_reset_state = 0; |
|
rtnl_lock(); |
|
dev_close(bp->dev); |
|
rtnl_unlock(); |
|
} |
|
|
|
static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev) |
|
{ |
|
int rc; |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
SET_NETDEV_DEV(dev, &pdev->dev); |
|
|
|
/* enable device (incl. PCI PM wakeup), and bus-mastering */ |
|
rc = pci_enable_device(pdev); |
|
if (rc) { |
|
dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
|
goto init_err; |
|
} |
|
|
|
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
|
dev_err(&pdev->dev, |
|
"Cannot find PCI device base address, aborting\n"); |
|
rc = -ENODEV; |
|
goto init_err_disable; |
|
} |
|
|
|
rc = pci_request_regions(pdev, DRV_MODULE_NAME); |
|
if (rc) { |
|
dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); |
|
goto init_err_disable; |
|
} |
|
|
|
if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 && |
|
dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) { |
|
dev_err(&pdev->dev, "System does not support DMA, aborting\n"); |
|
rc = -EIO; |
|
goto init_err_release; |
|
} |
|
|
|
pci_set_master(pdev); |
|
|
|
bp->dev = dev; |
|
bp->pdev = pdev; |
|
|
|
/* Doorbell BAR bp->bar1 is mapped after bnxt_fw_init_one_p2() |
|
* determines the BAR size. |
|
*/ |
|
bp->bar0 = pci_ioremap_bar(pdev, 0); |
|
if (!bp->bar0) { |
|
dev_err(&pdev->dev, "Cannot map device registers, aborting\n"); |
|
rc = -ENOMEM; |
|
goto init_err_release; |
|
} |
|
|
|
bp->bar2 = pci_ioremap_bar(pdev, 4); |
|
if (!bp->bar2) { |
|
dev_err(&pdev->dev, "Cannot map bar4 registers, aborting\n"); |
|
rc = -ENOMEM; |
|
goto init_err_release; |
|
} |
|
|
|
pci_enable_pcie_error_reporting(pdev); |
|
|
|
INIT_WORK(&bp->sp_task, bnxt_sp_task); |
|
INIT_DELAYED_WORK(&bp->fw_reset_task, bnxt_fw_reset_task); |
|
|
|
spin_lock_init(&bp->ntp_fltr_lock); |
|
#if BITS_PER_LONG == 32 |
|
spin_lock_init(&bp->db_lock); |
|
#endif |
|
|
|
bp->rx_ring_size = BNXT_DEFAULT_RX_RING_SIZE; |
|
bp->tx_ring_size = BNXT_DEFAULT_TX_RING_SIZE; |
|
|
|
bnxt_init_dflt_coal(bp); |
|
|
|
timer_setup(&bp->timer, bnxt_timer, 0); |
|
bp->current_interval = BNXT_TIMER_INTERVAL; |
|
|
|
bp->vxlan_fw_dst_port_id = INVALID_HW_RING_ID; |
|
bp->nge_fw_dst_port_id = INVALID_HW_RING_ID; |
|
|
|
clear_bit(BNXT_STATE_OPEN, &bp->state); |
|
return 0; |
|
|
|
init_err_release: |
|
bnxt_unmap_bars(bp, pdev); |
|
pci_release_regions(pdev); |
|
|
|
init_err_disable: |
|
pci_disable_device(pdev); |
|
|
|
init_err: |
|
return rc; |
|
} |
|
|
|
/* rtnl_lock held */ |
|
static int bnxt_change_mac_addr(struct net_device *dev, void *p) |
|
{ |
|
struct sockaddr *addr = p; |
|
struct bnxt *bp = netdev_priv(dev); |
|
int rc = 0; |
|
|
|
if (!is_valid_ether_addr(addr->sa_data)) |
|
return -EADDRNOTAVAIL; |
|
|
|
if (ether_addr_equal(addr->sa_data, dev->dev_addr)) |
|
return 0; |
|
|
|
rc = bnxt_approve_mac(bp, addr->sa_data, true); |
|
if (rc) |
|
return rc; |
|
|
|
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
|
if (netif_running(dev)) { |
|
bnxt_close_nic(bp, false, false); |
|
rc = bnxt_open_nic(bp, false, false); |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
/* rtnl_lock held */ |
|
static int bnxt_change_mtu(struct net_device *dev, int new_mtu) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
if (netif_running(dev)) |
|
bnxt_close_nic(bp, true, false); |
|
|
|
dev->mtu = new_mtu; |
|
bnxt_set_ring_params(bp); |
|
|
|
if (netif_running(dev)) |
|
return bnxt_open_nic(bp, true, false); |
|
|
|
return 0; |
|
} |
|
|
|
int bnxt_setup_mq_tc(struct net_device *dev, u8 tc) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
bool sh = false; |
|
int rc; |
|
|
|
if (tc > bp->max_tc) { |
|
netdev_err(dev, "Too many traffic classes requested: %d. Max supported is %d.\n", |
|
tc, bp->max_tc); |
|
return -EINVAL; |
|
} |
|
|
|
if (netdev_get_num_tc(dev) == tc) |
|
return 0; |
|
|
|
if (bp->flags & BNXT_FLAG_SHARED_RINGS) |
|
sh = true; |
|
|
|
rc = bnxt_check_rings(bp, bp->tx_nr_rings_per_tc, bp->rx_nr_rings, |
|
sh, tc, bp->tx_nr_rings_xdp); |
|
if (rc) |
|
return rc; |
|
|
|
/* Needs to close the device and do hw resource re-allocations */ |
|
if (netif_running(bp->dev)) |
|
bnxt_close_nic(bp, true, false); |
|
|
|
if (tc) { |
|
bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tc; |
|
netdev_set_num_tc(dev, tc); |
|
} else { |
|
bp->tx_nr_rings = bp->tx_nr_rings_per_tc; |
|
netdev_reset_tc(dev); |
|
} |
|
bp->tx_nr_rings += bp->tx_nr_rings_xdp; |
|
bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : |
|
bp->tx_nr_rings + bp->rx_nr_rings; |
|
|
|
if (netif_running(bp->dev)) |
|
return bnxt_open_nic(bp, true, false); |
|
|
|
return 0; |
|
} |
|
|
|
static int bnxt_setup_tc_block_cb(enum tc_setup_type type, void *type_data, |
|
void *cb_priv) |
|
{ |
|
struct bnxt *bp = cb_priv; |
|
|
|
if (!bnxt_tc_flower_enabled(bp) || |
|
!tc_cls_can_offload_and_chain0(bp->dev, type_data)) |
|
return -EOPNOTSUPP; |
|
|
|
switch (type) { |
|
case TC_SETUP_CLSFLOWER: |
|
return bnxt_tc_setup_flower(bp, bp->pf.fw_fid, type_data); |
|
default: |
|
return -EOPNOTSUPP; |
|
} |
|
} |
|
|
|
LIST_HEAD(bnxt_block_cb_list); |
|
|
|
static int bnxt_setup_tc(struct net_device *dev, enum tc_setup_type type, |
|
void *type_data) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
switch (type) { |
|
case TC_SETUP_BLOCK: |
|
return flow_block_cb_setup_simple(type_data, |
|
&bnxt_block_cb_list, |
|
bnxt_setup_tc_block_cb, |
|
bp, bp, true); |
|
case TC_SETUP_QDISC_MQPRIO: { |
|
struct tc_mqprio_qopt *mqprio = type_data; |
|
|
|
mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS; |
|
|
|
return bnxt_setup_mq_tc(dev, mqprio->num_tc); |
|
} |
|
default: |
|
return -EOPNOTSUPP; |
|
} |
|
} |
|
|
|
#ifdef CONFIG_RFS_ACCEL |
|
static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1, |
|
struct bnxt_ntuple_filter *f2) |
|
{ |
|
struct flow_keys *keys1 = &f1->fkeys; |
|
struct flow_keys *keys2 = &f2->fkeys; |
|
|
|
if (keys1->basic.n_proto != keys2->basic.n_proto || |
|
keys1->basic.ip_proto != keys2->basic.ip_proto) |
|
return false; |
|
|
|
if (keys1->basic.n_proto == htons(ETH_P_IP)) { |
|
if (keys1->addrs.v4addrs.src != keys2->addrs.v4addrs.src || |
|
keys1->addrs.v4addrs.dst != keys2->addrs.v4addrs.dst) |
|
return false; |
|
} else { |
|
if (memcmp(&keys1->addrs.v6addrs.src, &keys2->addrs.v6addrs.src, |
|
sizeof(keys1->addrs.v6addrs.src)) || |
|
memcmp(&keys1->addrs.v6addrs.dst, &keys2->addrs.v6addrs.dst, |
|
sizeof(keys1->addrs.v6addrs.dst))) |
|
return false; |
|
} |
|
|
|
if (keys1->ports.ports == keys2->ports.ports && |
|
keys1->control.flags == keys2->control.flags && |
|
ether_addr_equal(f1->src_mac_addr, f2->src_mac_addr) && |
|
ether_addr_equal(f1->dst_mac_addr, f2->dst_mac_addr)) |
|
return true; |
|
|
|
return false; |
|
} |
|
|
|
static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, |
|
u16 rxq_index, u32 flow_id) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
struct bnxt_ntuple_filter *fltr, *new_fltr; |
|
struct flow_keys *fkeys; |
|
struct ethhdr *eth = (struct ethhdr *)skb_mac_header(skb); |
|
int rc = 0, idx, bit_id, l2_idx = 0; |
|
struct hlist_head *head; |
|
u32 flags; |
|
|
|
if (!ether_addr_equal(dev->dev_addr, eth->h_dest)) { |
|
struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; |
|
int off = 0, j; |
|
|
|
netif_addr_lock_bh(dev); |
|
for (j = 0; j < vnic->uc_filter_count; j++, off += ETH_ALEN) { |
|
if (ether_addr_equal(eth->h_dest, |
|
vnic->uc_list + off)) { |
|
l2_idx = j + 1; |
|
break; |
|
} |
|
} |
|
netif_addr_unlock_bh(dev); |
|
if (!l2_idx) |
|
return -EINVAL; |
|
} |
|
new_fltr = kzalloc(sizeof(*new_fltr), GFP_ATOMIC); |
|
if (!new_fltr) |
|
return -ENOMEM; |
|
|
|
fkeys = &new_fltr->fkeys; |
|
if (!skb_flow_dissect_flow_keys(skb, fkeys, 0)) { |
|
rc = -EPROTONOSUPPORT; |
|
goto err_free; |
|
} |
|
|
|
if ((fkeys->basic.n_proto != htons(ETH_P_IP) && |
|
fkeys->basic.n_proto != htons(ETH_P_IPV6)) || |
|
((fkeys->basic.ip_proto != IPPROTO_TCP) && |
|
(fkeys->basic.ip_proto != IPPROTO_UDP))) { |
|
rc = -EPROTONOSUPPORT; |
|
goto err_free; |
|
} |
|
if (fkeys->basic.n_proto == htons(ETH_P_IPV6) && |
|
bp->hwrm_spec_code < 0x10601) { |
|
rc = -EPROTONOSUPPORT; |
|
goto err_free; |
|
} |
|
flags = fkeys->control.flags; |
|
if (((flags & FLOW_DIS_ENCAPSULATION) && |
|
bp->hwrm_spec_code < 0x10601) || (flags & FLOW_DIS_IS_FRAGMENT)) { |
|
rc = -EPROTONOSUPPORT; |
|
goto err_free; |
|
} |
|
|
|
memcpy(new_fltr->dst_mac_addr, eth->h_dest, ETH_ALEN); |
|
memcpy(new_fltr->src_mac_addr, eth->h_source, ETH_ALEN); |
|
|
|
idx = skb_get_hash_raw(skb) & BNXT_NTP_FLTR_HASH_MASK; |
|
head = &bp->ntp_fltr_hash_tbl[idx]; |
|
rcu_read_lock(); |
|
hlist_for_each_entry_rcu(fltr, head, hash) { |
|
if (bnxt_fltr_match(fltr, new_fltr)) { |
|
rcu_read_unlock(); |
|
rc = 0; |
|
goto err_free; |
|
} |
|
} |
|
rcu_read_unlock(); |
|
|
|
spin_lock_bh(&bp->ntp_fltr_lock); |
|
bit_id = bitmap_find_free_region(bp->ntp_fltr_bmap, |
|
BNXT_NTP_FLTR_MAX_FLTR, 0); |
|
if (bit_id < 0) { |
|
spin_unlock_bh(&bp->ntp_fltr_lock); |
|
rc = -ENOMEM; |
|
goto err_free; |
|
} |
|
|
|
new_fltr->sw_id = (u16)bit_id; |
|
new_fltr->flow_id = flow_id; |
|
new_fltr->l2_fltr_idx = l2_idx; |
|
new_fltr->rxq = rxq_index; |
|
hlist_add_head_rcu(&new_fltr->hash, head); |
|
bp->ntp_fltr_count++; |
|
spin_unlock_bh(&bp->ntp_fltr_lock); |
|
|
|
set_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event); |
|
bnxt_queue_sp_work(bp); |
|
|
|
return new_fltr->sw_id; |
|
|
|
err_free: |
|
kfree(new_fltr); |
|
return rc; |
|
} |
|
|
|
static void bnxt_cfg_ntp_filters(struct bnxt *bp) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { |
|
struct hlist_head *head; |
|
struct hlist_node *tmp; |
|
struct bnxt_ntuple_filter *fltr; |
|
int rc; |
|
|
|
head = &bp->ntp_fltr_hash_tbl[i]; |
|
hlist_for_each_entry_safe(fltr, tmp, head, hash) { |
|
bool del = false; |
|
|
|
if (test_bit(BNXT_FLTR_VALID, &fltr->state)) { |
|
if (rps_may_expire_flow(bp->dev, fltr->rxq, |
|
fltr->flow_id, |
|
fltr->sw_id)) { |
|
bnxt_hwrm_cfa_ntuple_filter_free(bp, |
|
fltr); |
|
del = true; |
|
} |
|
} else { |
|
rc = bnxt_hwrm_cfa_ntuple_filter_alloc(bp, |
|
fltr); |
|
if (rc) |
|
del = true; |
|
else |
|
set_bit(BNXT_FLTR_VALID, &fltr->state); |
|
} |
|
|
|
if (del) { |
|
spin_lock_bh(&bp->ntp_fltr_lock); |
|
hlist_del_rcu(&fltr->hash); |
|
bp->ntp_fltr_count--; |
|
spin_unlock_bh(&bp->ntp_fltr_lock); |
|
synchronize_rcu(); |
|
clear_bit(fltr->sw_id, bp->ntp_fltr_bmap); |
|
kfree(fltr); |
|
} |
|
} |
|
} |
|
if (test_and_clear_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event)) |
|
netdev_info(bp->dev, "Receive PF driver unload event!\n"); |
|
} |
|
|
|
#else |
|
|
|
static void bnxt_cfg_ntp_filters(struct bnxt *bp) |
|
{ |
|
} |
|
|
|
#endif /* CONFIG_RFS_ACCEL */ |
|
|
|
static int bnxt_udp_tunnel_sync(struct net_device *netdev, unsigned int table) |
|
{ |
|
struct bnxt *bp = netdev_priv(netdev); |
|
struct udp_tunnel_info ti; |
|
unsigned int cmd; |
|
|
|
udp_tunnel_nic_get_port(netdev, table, 0, &ti); |
|
if (ti.type == UDP_TUNNEL_TYPE_VXLAN) |
|
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN; |
|
else |
|
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE; |
|
|
|
if (ti.port) |
|
return bnxt_hwrm_tunnel_dst_port_alloc(bp, ti.port, cmd); |
|
|
|
return bnxt_hwrm_tunnel_dst_port_free(bp, cmd); |
|
} |
|
|
|
static const struct udp_tunnel_nic_info bnxt_udp_tunnels = { |
|
.sync_table = bnxt_udp_tunnel_sync, |
|
.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP | |
|
UDP_TUNNEL_NIC_INFO_OPEN_ONLY, |
|
.tables = { |
|
{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, |
|
{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, }, |
|
}, |
|
}; |
|
|
|
static int bnxt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
|
struct net_device *dev, u32 filter_mask, |
|
int nlflags) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bp->br_mode, 0, 0, |
|
nlflags, filter_mask, NULL); |
|
} |
|
|
|
static int bnxt_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, |
|
u16 flags, struct netlink_ext_ack *extack) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
struct nlattr *attr, *br_spec; |
|
int rem, rc = 0; |
|
|
|
if (bp->hwrm_spec_code < 0x10708 || !BNXT_SINGLE_PF(bp)) |
|
return -EOPNOTSUPP; |
|
|
|
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
|
if (!br_spec) |
|
return -EINVAL; |
|
|
|
nla_for_each_nested(attr, br_spec, rem) { |
|
u16 mode; |
|
|
|
if (nla_type(attr) != IFLA_BRIDGE_MODE) |
|
continue; |
|
|
|
if (nla_len(attr) < sizeof(mode)) |
|
return -EINVAL; |
|
|
|
mode = nla_get_u16(attr); |
|
if (mode == bp->br_mode) |
|
break; |
|
|
|
rc = bnxt_hwrm_set_br_mode(bp, mode); |
|
if (!rc) |
|
bp->br_mode = mode; |
|
break; |
|
} |
|
return rc; |
|
} |
|
|
|
int bnxt_get_port_parent_id(struct net_device *dev, |
|
struct netdev_phys_item_id *ppid) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
if (bp->eswitch_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV) |
|
return -EOPNOTSUPP; |
|
|
|
/* The PF and it's VF-reps only support the switchdev framework */ |
|
if (!BNXT_PF(bp) || !(bp->flags & BNXT_FLAG_DSN_VALID)) |
|
return -EOPNOTSUPP; |
|
|
|
ppid->id_len = sizeof(bp->dsn); |
|
memcpy(ppid->id, bp->dsn, ppid->id_len); |
|
|
|
return 0; |
|
} |
|
|
|
static struct devlink_port *bnxt_get_devlink_port(struct net_device *dev) |
|
{ |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
return &bp->dl_port; |
|
} |
|
|
|
static const struct net_device_ops bnxt_netdev_ops = { |
|
.ndo_open = bnxt_open, |
|
.ndo_start_xmit = bnxt_start_xmit, |
|
.ndo_stop = bnxt_close, |
|
.ndo_get_stats64 = bnxt_get_stats64, |
|
.ndo_set_rx_mode = bnxt_set_rx_mode, |
|
.ndo_do_ioctl = bnxt_ioctl, |
|
.ndo_validate_addr = eth_validate_addr, |
|
.ndo_set_mac_address = bnxt_change_mac_addr, |
|
.ndo_change_mtu = bnxt_change_mtu, |
|
.ndo_fix_features = bnxt_fix_features, |
|
.ndo_set_features = bnxt_set_features, |
|
.ndo_tx_timeout = bnxt_tx_timeout, |
|
#ifdef CONFIG_BNXT_SRIOV |
|
.ndo_get_vf_config = bnxt_get_vf_config, |
|
.ndo_set_vf_mac = bnxt_set_vf_mac, |
|
.ndo_set_vf_vlan = bnxt_set_vf_vlan, |
|
.ndo_set_vf_rate = bnxt_set_vf_bw, |
|
.ndo_set_vf_link_state = bnxt_set_vf_link_state, |
|
.ndo_set_vf_spoofchk = bnxt_set_vf_spoofchk, |
|
.ndo_set_vf_trust = bnxt_set_vf_trust, |
|
#endif |
|
.ndo_setup_tc = bnxt_setup_tc, |
|
#ifdef CONFIG_RFS_ACCEL |
|
.ndo_rx_flow_steer = bnxt_rx_flow_steer, |
|
#endif |
|
.ndo_udp_tunnel_add = udp_tunnel_nic_add_port, |
|
.ndo_udp_tunnel_del = udp_tunnel_nic_del_port, |
|
.ndo_bpf = bnxt_xdp, |
|
.ndo_xdp_xmit = bnxt_xdp_xmit, |
|
.ndo_bridge_getlink = bnxt_bridge_getlink, |
|
.ndo_bridge_setlink = bnxt_bridge_setlink, |
|
.ndo_get_devlink_port = bnxt_get_devlink_port, |
|
}; |
|
|
|
static void bnxt_remove_one(struct pci_dev *pdev) |
|
{ |
|
struct net_device *dev = pci_get_drvdata(pdev); |
|
struct bnxt *bp = netdev_priv(dev); |
|
|
|
if (BNXT_PF(bp)) |
|
bnxt_sriov_disable(bp); |
|
|
|
if (BNXT_PF(bp)) |
|
devlink_port_type_clear(&bp->dl_port); |
|
pci_disable_pcie_error_reporting(pdev); |
|
unregister_netdev(dev); |
|
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); |
|
/* Flush any pending tasks */ |
|
cancel_work_sync(&bp->sp_task); |
|
cancel_delayed_work_sync(&bp->fw_reset_task); |
|
bp->sp_event = 0; |
|
|
|
bnxt_dl_fw_reporters_destroy(bp, true); |
|
bnxt_dl_unregister(bp); |
|
bnxt_shutdown_tc(bp); |
|
|
|
bnxt_clear_int_mode(bp); |
|
bnxt_hwrm_func_drv_unrgtr(bp); |
|
bnxt_free_hwrm_resources(bp); |
|
bnxt_free_hwrm_short_cmd_req(bp); |
|
bnxt_ethtool_free(bp); |
|
bnxt_dcb_free(bp); |
|
kfree(bp->edev); |
|
bp->edev = NULL; |
|
kfree(bp->fw_health); |
|
bp->fw_health = NULL; |
|
bnxt_cleanup_pci(bp); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
kfree(bp->rss_indir_tbl); |
|
bp->rss_indir_tbl = NULL; |
|
bnxt_free_port_stats(bp); |
|
free_netdev(dev); |
|
} |
|
|
|
static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt) |
|
{ |
|
int rc = 0; |
|
struct bnxt_link_info *link_info = &bp->link_info; |
|
|
|
rc = bnxt_hwrm_phy_qcaps(bp); |
|
if (rc) { |
|
netdev_err(bp->dev, "Probe phy can't get phy capabilities (rc: %x)\n", |
|
rc); |
|
return rc; |
|
} |
|
if (!fw_dflt) |
|
return 0; |
|
|
|
rc = bnxt_update_link(bp, false); |
|
if (rc) { |
|
netdev_err(bp->dev, "Probe phy can't update link (rc: %x)\n", |
|
rc); |
|
return rc; |
|
} |
|
|
|
/* Older firmware does not have supported_auto_speeds, so assume |
|
* that all supported speeds can be autonegotiated. |
|
*/ |
|
if (link_info->auto_link_speeds && !link_info->support_auto_speeds) |
|
link_info->support_auto_speeds = link_info->support_speeds; |
|
|
|
bnxt_init_ethtool_link_settings(bp); |
|
return 0; |
|
} |
|
|
|
static int bnxt_get_max_irq(struct pci_dev *pdev) |
|
{ |
|
u16 ctrl; |
|
|
|
if (!pdev->msix_cap) |
|
return 1; |
|
|
|
pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &ctrl); |
|
return (ctrl & PCI_MSIX_FLAGS_QSIZE) + 1; |
|
} |
|
|
|
static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, |
|
int *max_cp) |
|
{ |
|
struct bnxt_hw_resc *hw_resc = &bp->hw_resc; |
|
int max_ring_grps = 0, max_irq; |
|
|
|
*max_tx = hw_resc->max_tx_rings; |
|
*max_rx = hw_resc->max_rx_rings; |
|
*max_cp = bnxt_get_max_func_cp_rings_for_en(bp); |
|
max_irq = min_t(int, bnxt_get_max_func_irqs(bp) - |
|
bnxt_get_ulp_msix_num(bp), |
|
hw_resc->max_stat_ctxs - bnxt_get_ulp_stat_ctxs(bp)); |
|
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) |
|
*max_cp = min_t(int, *max_cp, max_irq); |
|
max_ring_grps = hw_resc->max_hw_ring_grps; |
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp) && BNXT_PF(bp)) { |
|
*max_cp -= 1; |
|
*max_rx -= 2; |
|
} |
|
if (bp->flags & BNXT_FLAG_AGG_RINGS) |
|
*max_rx >>= 1; |
|
if (bp->flags & BNXT_FLAG_CHIP_P5) { |
|
bnxt_trim_rings(bp, max_rx, max_tx, *max_cp, false); |
|
/* On P5 chips, max_cp output param should be available NQs */ |
|
*max_cp = max_irq; |
|
} |
|
*max_rx = min_t(int, *max_rx, max_ring_grps); |
|
} |
|
|
|
int bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, bool shared) |
|
{ |
|
int rx, tx, cp; |
|
|
|
_bnxt_get_max_rings(bp, &rx, &tx, &cp); |
|
*max_rx = rx; |
|
*max_tx = tx; |
|
if (!rx || !tx || !cp) |
|
return -ENOMEM; |
|
|
|
return bnxt_trim_rings(bp, max_rx, max_tx, cp, shared); |
|
} |
|
|
|
static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, |
|
bool shared) |
|
{ |
|
int rc; |
|
|
|
rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared); |
|
if (rc && (bp->flags & BNXT_FLAG_AGG_RINGS)) { |
|
/* Not enough rings, try disabling agg rings. */ |
|
bp->flags &= ~BNXT_FLAG_AGG_RINGS; |
|
rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared); |
|
if (rc) { |
|
/* set BNXT_FLAG_AGG_RINGS back for consistency */ |
|
bp->flags |= BNXT_FLAG_AGG_RINGS; |
|
return rc; |
|
} |
|
bp->flags |= BNXT_FLAG_NO_AGG_RINGS; |
|
bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); |
|
bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); |
|
bnxt_set_ring_params(bp); |
|
} |
|
|
|
if (bp->flags & BNXT_FLAG_ROCE_CAP) { |
|
int max_cp, max_stat, max_irq; |
|
|
|
/* Reserve minimum resources for RoCE */ |
|
max_cp = bnxt_get_max_func_cp_rings(bp); |
|
max_stat = bnxt_get_max_func_stat_ctxs(bp); |
|
max_irq = bnxt_get_max_func_irqs(bp); |
|
if (max_cp <= BNXT_MIN_ROCE_CP_RINGS || |
|
max_irq <= BNXT_MIN_ROCE_CP_RINGS || |
|
max_stat <= BNXT_MIN_ROCE_STAT_CTXS) |
|
return 0; |
|
|
|
max_cp -= BNXT_MIN_ROCE_CP_RINGS; |
|
max_irq -= BNXT_MIN_ROCE_CP_RINGS; |
|
max_stat -= BNXT_MIN_ROCE_STAT_CTXS; |
|
max_cp = min_t(int, max_cp, max_irq); |
|
max_cp = min_t(int, max_cp, max_stat); |
|
rc = bnxt_trim_rings(bp, max_rx, max_tx, max_cp, shared); |
|
if (rc) |
|
rc = 0; |
|
} |
|
return rc; |
|
} |
|
|
|
/* In initial default shared ring setting, each shared ring must have a |
|
* RX/TX ring pair. |
|
*/ |
|
static void bnxt_trim_dflt_sh_rings(struct bnxt *bp) |
|
{ |
|
bp->cp_nr_rings = min_t(int, bp->tx_nr_rings_per_tc, bp->rx_nr_rings); |
|
bp->rx_nr_rings = bp->cp_nr_rings; |
|
bp->tx_nr_rings_per_tc = bp->cp_nr_rings; |
|
bp->tx_nr_rings = bp->tx_nr_rings_per_tc; |
|
} |
|
|
|
static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) |
|
{ |
|
int dflt_rings, max_rx_rings, max_tx_rings, rc; |
|
|
|
if (!bnxt_can_reserve_rings(bp)) |
|
return 0; |
|
|
|
if (sh) |
|
bp->flags |= BNXT_FLAG_SHARED_RINGS; |
|
dflt_rings = is_kdump_kernel() ? 1 : netif_get_num_default_rss_queues(); |
|
/* Reduce default rings on multi-port cards so that total default |
|
* rings do not exceed CPU count. |
|
*/ |
|
if (bp->port_count > 1) { |
|
int max_rings = |
|
max_t(int, num_online_cpus() / bp->port_count, 1); |
|
|
|
dflt_rings = min_t(int, dflt_rings, max_rings); |
|
} |
|
rc = bnxt_get_dflt_rings(bp, &max_rx_rings, &max_tx_rings, sh); |
|
if (rc) |
|
return rc; |
|
bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings); |
|
bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings); |
|
if (sh) |
|
bnxt_trim_dflt_sh_rings(bp); |
|
else |
|
bp->cp_nr_rings = bp->tx_nr_rings_per_tc + bp->rx_nr_rings; |
|
bp->tx_nr_rings = bp->tx_nr_rings_per_tc; |
|
|
|
rc = __bnxt_reserve_rings(bp); |
|
if (rc) |
|
netdev_warn(bp->dev, "Unable to reserve tx rings\n"); |
|
bp->tx_nr_rings_per_tc = bp->tx_nr_rings; |
|
if (sh) |
|
bnxt_trim_dflt_sh_rings(bp); |
|
|
|
/* Rings may have been trimmed, re-reserve the trimmed rings. */ |
|
if (bnxt_need_reserve_rings(bp)) { |
|
rc = __bnxt_reserve_rings(bp); |
|
if (rc) |
|
netdev_warn(bp->dev, "2nd rings reservation failed.\n"); |
|
bp->tx_nr_rings_per_tc = bp->tx_nr_rings; |
|
} |
|
if (BNXT_CHIP_TYPE_NITRO_A0(bp)) { |
|
bp->rx_nr_rings++; |
|
bp->cp_nr_rings++; |
|
} |
|
if (rc) { |
|
bp->tx_nr_rings = 0; |
|
bp->rx_nr_rings = 0; |
|
} |
|
return rc; |
|
} |
|
|
|
static int bnxt_init_dflt_ring_mode(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
if (bp->tx_nr_rings) |
|
return 0; |
|
|
|
bnxt_ulp_irq_stop(bp); |
|
bnxt_clear_int_mode(bp); |
|
rc = bnxt_set_dflt_rings(bp, true); |
|
if (rc) { |
|
netdev_err(bp->dev, "Not enough rings available.\n"); |
|
goto init_dflt_ring_err; |
|
} |
|
rc = bnxt_init_int_mode(bp); |
|
if (rc) |
|
goto init_dflt_ring_err; |
|
|
|
bp->tx_nr_rings_per_tc = bp->tx_nr_rings; |
|
if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) { |
|
bp->flags |= BNXT_FLAG_RFS; |
|
bp->dev->features |= NETIF_F_NTUPLE; |
|
} |
|
init_dflt_ring_err: |
|
bnxt_ulp_irq_restart(bp, rc); |
|
return rc; |
|
} |
|
|
|
int bnxt_restore_pf_fw_resources(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
ASSERT_RTNL(); |
|
bnxt_hwrm_func_qcaps(bp); |
|
|
|
if (netif_running(bp->dev)) |
|
__bnxt_close_nic(bp, true, false); |
|
|
|
bnxt_ulp_irq_stop(bp); |
|
bnxt_clear_int_mode(bp); |
|
rc = bnxt_init_int_mode(bp); |
|
bnxt_ulp_irq_restart(bp, rc); |
|
|
|
if (netif_running(bp->dev)) { |
|
if (rc) |
|
dev_close(bp->dev); |
|
else |
|
rc = bnxt_open_nic(bp, true, false); |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_init_mac_addr(struct bnxt *bp) |
|
{ |
|
int rc = 0; |
|
|
|
if (BNXT_PF(bp)) { |
|
memcpy(bp->dev->dev_addr, bp->pf.mac_addr, ETH_ALEN); |
|
} else { |
|
#ifdef CONFIG_BNXT_SRIOV |
|
struct bnxt_vf_info *vf = &bp->vf; |
|
bool strict_approval = true; |
|
|
|
if (is_valid_ether_addr(vf->mac_addr)) { |
|
/* overwrite netdev dev_addr with admin VF MAC */ |
|
memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN); |
|
/* Older PF driver or firmware may not approve this |
|
* correctly. |
|
*/ |
|
strict_approval = false; |
|
} else { |
|
eth_hw_addr_random(bp->dev); |
|
} |
|
rc = bnxt_approve_mac(bp, bp->dev->dev_addr, strict_approval); |
|
#endif |
|
} |
|
return rc; |
|
} |
|
|
|
#define BNXT_VPD_LEN 512 |
|
static void bnxt_vpd_read_info(struct bnxt *bp) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
int i, len, pos, ro_size, size; |
|
ssize_t vpd_size; |
|
u8 *vpd_data; |
|
|
|
vpd_data = kmalloc(BNXT_VPD_LEN, GFP_KERNEL); |
|
if (!vpd_data) |
|
return; |
|
|
|
vpd_size = pci_read_vpd(pdev, 0, BNXT_VPD_LEN, vpd_data); |
|
if (vpd_size <= 0) { |
|
netdev_err(bp->dev, "Unable to read VPD\n"); |
|
goto exit; |
|
} |
|
|
|
i = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA); |
|
if (i < 0) { |
|
netdev_err(bp->dev, "VPD READ-Only not found\n"); |
|
goto exit; |
|
} |
|
|
|
ro_size = pci_vpd_lrdt_size(&vpd_data[i]); |
|
i += PCI_VPD_LRDT_TAG_SIZE; |
|
if (i + ro_size > vpd_size) |
|
goto exit; |
|
|
|
pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, |
|
PCI_VPD_RO_KEYWORD_PARTNO); |
|
if (pos < 0) |
|
goto read_sn; |
|
|
|
len = pci_vpd_info_field_size(&vpd_data[pos]); |
|
pos += PCI_VPD_INFO_FLD_HDR_SIZE; |
|
if (len + pos > vpd_size) |
|
goto read_sn; |
|
|
|
size = min(len, BNXT_VPD_FLD_LEN - 1); |
|
memcpy(bp->board_partno, &vpd_data[pos], size); |
|
|
|
read_sn: |
|
pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, |
|
PCI_VPD_RO_KEYWORD_SERIALNO); |
|
if (pos < 0) |
|
goto exit; |
|
|
|
len = pci_vpd_info_field_size(&vpd_data[pos]); |
|
pos += PCI_VPD_INFO_FLD_HDR_SIZE; |
|
if (len + pos > vpd_size) |
|
goto exit; |
|
|
|
size = min(len, BNXT_VPD_FLD_LEN - 1); |
|
memcpy(bp->board_serialno, &vpd_data[pos], size); |
|
exit: |
|
kfree(vpd_data); |
|
} |
|
|
|
static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[]) |
|
{ |
|
struct pci_dev *pdev = bp->pdev; |
|
u64 qword; |
|
|
|
qword = pci_get_dsn(pdev); |
|
if (!qword) { |
|
netdev_info(bp->dev, "Unable to read adapter's DSN\n"); |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
put_unaligned_le64(qword, dsn); |
|
|
|
bp->flags |= BNXT_FLAG_DSN_VALID; |
|
return 0; |
|
} |
|
|
|
static int bnxt_map_db_bar(struct bnxt *bp) |
|
{ |
|
if (!bp->db_size) |
|
return -ENODEV; |
|
bp->bar1 = pci_iomap(bp->pdev, 2, bp->db_size); |
|
if (!bp->bar1) |
|
return -ENOMEM; |
|
return 0; |
|
} |
|
|
|
static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
|
{ |
|
struct net_device *dev; |
|
struct bnxt *bp; |
|
int rc, max_irqs; |
|
|
|
if (pci_is_bridge(pdev)) |
|
return -ENODEV; |
|
|
|
/* Clear any pending DMA transactions from crash kernel |
|
* while loading driver in capture kernel. |
|
*/ |
|
if (is_kdump_kernel()) { |
|
pci_clear_master(pdev); |
|
pcie_flr(pdev); |
|
} |
|
|
|
max_irqs = bnxt_get_max_irq(pdev); |
|
dev = alloc_etherdev_mq(sizeof(*bp), max_irqs); |
|
if (!dev) |
|
return -ENOMEM; |
|
|
|
bp = netdev_priv(dev); |
|
bp->msg_enable = BNXT_DEF_MSG_ENABLE; |
|
bnxt_set_max_func_irqs(bp, max_irqs); |
|
|
|
if (bnxt_vf_pciid(ent->driver_data)) |
|
bp->flags |= BNXT_FLAG_VF; |
|
|
|
if (pdev->msix_cap) |
|
bp->flags |= BNXT_FLAG_MSIX_CAP; |
|
|
|
rc = bnxt_init_board(pdev, dev); |
|
if (rc < 0) |
|
goto init_err_free; |
|
|
|
dev->netdev_ops = &bnxt_netdev_ops; |
|
dev->watchdog_timeo = BNXT_TX_TIMEOUT; |
|
dev->ethtool_ops = &bnxt_ethtool_ops; |
|
pci_set_drvdata(pdev, dev); |
|
|
|
if (BNXT_PF(bp)) |
|
bnxt_vpd_read_info(bp); |
|
|
|
rc = bnxt_alloc_hwrm_resources(bp); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
mutex_init(&bp->hwrm_cmd_lock); |
|
mutex_init(&bp->link_lock); |
|
|
|
rc = bnxt_fw_init_one_p1(bp); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
if (BNXT_CHIP_P5(bp)) { |
|
bp->flags |= BNXT_FLAG_CHIP_P5; |
|
if (BNXT_CHIP_SR2(bp)) |
|
bp->flags |= BNXT_FLAG_CHIP_SR2; |
|
} |
|
|
|
rc = bnxt_alloc_rss_indir_tbl(bp); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
rc = bnxt_fw_init_one_p2(bp); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
rc = bnxt_map_db_bar(bp); |
|
if (rc) { |
|
dev_err(&pdev->dev, "Cannot map doorbell BAR rc = %d, aborting\n", |
|
rc); |
|
goto init_err_pci_clean; |
|
} |
|
|
|
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | |
|
NETIF_F_TSO | NETIF_F_TSO6 | |
|
NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | |
|
NETIF_F_GSO_IPXIP4 | |
|
NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | |
|
NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH | |
|
NETIF_F_RXCSUM | NETIF_F_GRO; |
|
|
|
if (BNXT_SUPPORTS_TPA(bp)) |
|
dev->hw_features |= NETIF_F_LRO; |
|
|
|
dev->hw_enc_features = |
|
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | |
|
NETIF_F_TSO | NETIF_F_TSO6 | |
|
NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | |
|
NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | |
|
NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL; |
|
dev->udp_tunnel_nic_info = &bnxt_udp_tunnels; |
|
|
|
dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM | |
|
NETIF_F_GSO_GRE_CSUM; |
|
dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA; |
|
if (bp->fw_cap & BNXT_FW_CAP_VLAN_RX_STRIP) |
|
dev->hw_features |= BNXT_HW_FEATURE_VLAN_ALL_RX; |
|
if (bp->fw_cap & BNXT_FW_CAP_VLAN_TX_INSERT) |
|
dev->hw_features |= BNXT_HW_FEATURE_VLAN_ALL_TX; |
|
if (BNXT_SUPPORTS_TPA(bp)) |
|
dev->hw_features |= NETIF_F_GRO_HW; |
|
dev->features |= dev->hw_features | NETIF_F_HIGHDMA; |
|
if (dev->features & NETIF_F_GRO_HW) |
|
dev->features &= ~NETIF_F_LRO; |
|
dev->priv_flags |= IFF_UNICAST_FLT; |
|
|
|
#ifdef CONFIG_BNXT_SRIOV |
|
init_waitqueue_head(&bp->sriov_cfg_wait); |
|
mutex_init(&bp->sriov_lock); |
|
#endif |
|
if (BNXT_SUPPORTS_TPA(bp)) { |
|
bp->gro_func = bnxt_gro_func_5730x; |
|
if (BNXT_CHIP_P4(bp)) |
|
bp->gro_func = bnxt_gro_func_5731x; |
|
else if (BNXT_CHIP_P5(bp)) |
|
bp->gro_func = bnxt_gro_func_5750x; |
|
} |
|
if (!BNXT_CHIP_P4_PLUS(bp)) |
|
bp->flags |= BNXT_FLAG_DOUBLE_DB; |
|
|
|
bp->ulp_probe = bnxt_ulp_probe; |
|
|
|
rc = bnxt_init_mac_addr(bp); |
|
if (rc) { |
|
dev_err(&pdev->dev, "Unable to initialize mac address.\n"); |
|
rc = -EADDRNOTAVAIL; |
|
goto init_err_pci_clean; |
|
} |
|
|
|
if (BNXT_PF(bp)) { |
|
/* Read the adapter's DSN to use as the eswitch switch_id */ |
|
rc = bnxt_pcie_dsn_get(bp, bp->dsn); |
|
} |
|
|
|
/* MTU range: 60 - FW defined max */ |
|
dev->min_mtu = ETH_ZLEN; |
|
dev->max_mtu = bp->max_mtu; |
|
|
|
rc = bnxt_probe_phy(bp, true); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
bnxt_set_rx_skb_mode(bp, false); |
|
bnxt_set_tpa_flags(bp); |
|
bnxt_set_ring_params(bp); |
|
rc = bnxt_set_dflt_rings(bp, true); |
|
if (rc) { |
|
netdev_err(bp->dev, "Not enough rings available.\n"); |
|
rc = -ENOMEM; |
|
goto init_err_pci_clean; |
|
} |
|
|
|
bnxt_fw_init_one_p3(bp); |
|
|
|
if (dev->hw_features & BNXT_HW_FEATURE_VLAN_ALL_RX) |
|
bp->flags |= BNXT_FLAG_STRIP_VLAN; |
|
|
|
rc = bnxt_init_int_mode(bp); |
|
if (rc) |
|
goto init_err_pci_clean; |
|
|
|
/* No TC has been set yet and rings may have been trimmed due to |
|
* limited MSIX, so we re-initialize the TX rings per TC. |
|
*/ |
|
bp->tx_nr_rings_per_tc = bp->tx_nr_rings; |
|
|
|
if (BNXT_PF(bp)) { |
|
if (!bnxt_pf_wq) { |
|
bnxt_pf_wq = |
|
create_singlethread_workqueue("bnxt_pf_wq"); |
|
if (!bnxt_pf_wq) { |
|
dev_err(&pdev->dev, "Unable to create workqueue.\n"); |
|
rc = -ENOMEM; |
|
goto init_err_pci_clean; |
|
} |
|
} |
|
rc = bnxt_init_tc(bp); |
|
if (rc) |
|
netdev_err(dev, "Failed to initialize TC flower offload, err = %d.\n", |
|
rc); |
|
} |
|
|
|
bnxt_dl_register(bp); |
|
|
|
rc = register_netdev(dev); |
|
if (rc) |
|
goto init_err_cleanup; |
|
|
|
if (BNXT_PF(bp)) |
|
devlink_port_type_eth_set(&bp->dl_port, bp->dev); |
|
bnxt_dl_fw_reporters_create(bp); |
|
|
|
netdev_info(dev, "%s found at mem %lx, node addr %pM\n", |
|
board_info[ent->driver_data].name, |
|
(long)pci_resource_start(pdev, 0), dev->dev_addr); |
|
pcie_print_link_status(pdev); |
|
|
|
pci_save_state(pdev); |
|
return 0; |
|
|
|
init_err_cleanup: |
|
bnxt_dl_unregister(bp); |
|
bnxt_shutdown_tc(bp); |
|
bnxt_clear_int_mode(bp); |
|
|
|
init_err_pci_clean: |
|
bnxt_hwrm_func_drv_unrgtr(bp); |
|
bnxt_free_hwrm_short_cmd_req(bp); |
|
bnxt_free_hwrm_resources(bp); |
|
bnxt_ethtool_free(bp); |
|
kfree(bp->fw_health); |
|
bp->fw_health = NULL; |
|
bnxt_cleanup_pci(bp); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
kfree(bp->rss_indir_tbl); |
|
bp->rss_indir_tbl = NULL; |
|
|
|
init_err_free: |
|
free_netdev(dev); |
|
return rc; |
|
} |
|
|
|
static void bnxt_shutdown(struct pci_dev *pdev) |
|
{ |
|
struct net_device *dev = pci_get_drvdata(pdev); |
|
struct bnxt *bp; |
|
|
|
if (!dev) |
|
return; |
|
|
|
rtnl_lock(); |
|
bp = netdev_priv(dev); |
|
if (!bp) |
|
goto shutdown_exit; |
|
|
|
if (netif_running(dev)) |
|
dev_close(dev); |
|
|
|
bnxt_ulp_shutdown(bp); |
|
bnxt_clear_int_mode(bp); |
|
pci_disable_device(pdev); |
|
|
|
if (system_state == SYSTEM_POWER_OFF) { |
|
pci_wake_from_d3(pdev, bp->wol); |
|
pci_set_power_state(pdev, PCI_D3hot); |
|
} |
|
|
|
shutdown_exit: |
|
rtnl_unlock(); |
|
} |
|
|
|
#ifdef CONFIG_PM_SLEEP |
|
static int bnxt_suspend(struct device *device) |
|
{ |
|
struct net_device *dev = dev_get_drvdata(device); |
|
struct bnxt *bp = netdev_priv(dev); |
|
int rc = 0; |
|
|
|
rtnl_lock(); |
|
bnxt_ulp_stop(bp); |
|
if (netif_running(dev)) { |
|
netif_device_detach(dev); |
|
rc = bnxt_close(dev); |
|
} |
|
bnxt_hwrm_func_drv_unrgtr(bp); |
|
pci_disable_device(bp->pdev); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
rtnl_unlock(); |
|
return rc; |
|
} |
|
|
|
static int bnxt_resume(struct device *device) |
|
{ |
|
struct net_device *dev = dev_get_drvdata(device); |
|
struct bnxt *bp = netdev_priv(dev); |
|
int rc = 0; |
|
|
|
rtnl_lock(); |
|
rc = pci_enable_device(bp->pdev); |
|
if (rc) { |
|
netdev_err(dev, "Cannot re-enable PCI device during resume, err = %d\n", |
|
rc); |
|
goto resume_exit; |
|
} |
|
pci_set_master(bp->pdev); |
|
if (bnxt_hwrm_ver_get(bp)) { |
|
rc = -ENODEV; |
|
goto resume_exit; |
|
} |
|
rc = bnxt_hwrm_func_reset(bp); |
|
if (rc) { |
|
rc = -EBUSY; |
|
goto resume_exit; |
|
} |
|
|
|
rc = bnxt_hwrm_func_qcaps(bp); |
|
if (rc) |
|
goto resume_exit; |
|
|
|
if (bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false)) { |
|
rc = -ENODEV; |
|
goto resume_exit; |
|
} |
|
|
|
bnxt_get_wol_settings(bp); |
|
if (netif_running(dev)) { |
|
rc = bnxt_open(dev); |
|
if (!rc) |
|
netif_device_attach(dev); |
|
} |
|
|
|
resume_exit: |
|
bnxt_ulp_start(bp, rc); |
|
if (!rc) |
|
bnxt_reenable_sriov(bp); |
|
rtnl_unlock(); |
|
return rc; |
|
} |
|
|
|
static SIMPLE_DEV_PM_OPS(bnxt_pm_ops, bnxt_suspend, bnxt_resume); |
|
#define BNXT_PM_OPS (&bnxt_pm_ops) |
|
|
|
#else |
|
|
|
#define BNXT_PM_OPS NULL |
|
|
|
#endif /* CONFIG_PM_SLEEP */ |
|
|
|
/** |
|
* bnxt_io_error_detected - called when PCI error is detected |
|
* @pdev: Pointer to PCI device |
|
* @state: The current pci connection state |
|
* |
|
* This function is called after a PCI bus error affecting |
|
* this device has been detected. |
|
*/ |
|
static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev, |
|
pci_channel_state_t state) |
|
{ |
|
struct net_device *netdev = pci_get_drvdata(pdev); |
|
struct bnxt *bp = netdev_priv(netdev); |
|
|
|
netdev_info(netdev, "PCI I/O error detected\n"); |
|
|
|
rtnl_lock(); |
|
netif_device_detach(netdev); |
|
|
|
bnxt_ulp_stop(bp); |
|
|
|
if (state == pci_channel_io_perm_failure) { |
|
rtnl_unlock(); |
|
return PCI_ERS_RESULT_DISCONNECT; |
|
} |
|
|
|
if (state == pci_channel_io_frozen) |
|
set_bit(BNXT_STATE_PCI_CHANNEL_IO_FROZEN, &bp->state); |
|
|
|
if (netif_running(netdev)) |
|
bnxt_close(netdev); |
|
|
|
if (pci_is_enabled(pdev)) |
|
pci_disable_device(pdev); |
|
bnxt_free_ctx_mem(bp); |
|
kfree(bp->ctx); |
|
bp->ctx = NULL; |
|
rtnl_unlock(); |
|
|
|
/* Request a slot slot reset. */ |
|
return PCI_ERS_RESULT_NEED_RESET; |
|
} |
|
|
|
/** |
|
* bnxt_io_slot_reset - called after the pci bus has been reset. |
|
* @pdev: Pointer to PCI device |
|
* |
|
* Restart the card from scratch, as if from a cold-boot. |
|
* At this point, the card has exprienced a hard reset, |
|
* followed by fixups by BIOS, and has its config space |
|
* set up identically to what it was at cold boot. |
|
*/ |
|
static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) |
|
{ |
|
pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT; |
|
struct net_device *netdev = pci_get_drvdata(pdev); |
|
struct bnxt *bp = netdev_priv(netdev); |
|
int err = 0, off; |
|
|
|
netdev_info(bp->dev, "PCI Slot Reset\n"); |
|
|
|
rtnl_lock(); |
|
|
|
if (pci_enable_device(pdev)) { |
|
dev_err(&pdev->dev, |
|
"Cannot re-enable PCI device after reset.\n"); |
|
} else { |
|
pci_set_master(pdev); |
|
/* Upon fatal error, our device internal logic that latches to |
|
* BAR value is getting reset and will restore only upon |
|
* rewritting the BARs. |
|
* |
|
* As pci_restore_state() does not re-write the BARs if the |
|
* value is same as saved value earlier, driver needs to |
|
* write the BARs to 0 to force restore, in case of fatal error. |
|
*/ |
|
if (test_and_clear_bit(BNXT_STATE_PCI_CHANNEL_IO_FROZEN, |
|
&bp->state)) { |
|
for (off = PCI_BASE_ADDRESS_0; |
|
off <= PCI_BASE_ADDRESS_5; off += 4) |
|
pci_write_config_dword(bp->pdev, off, 0); |
|
} |
|
pci_restore_state(pdev); |
|
pci_save_state(pdev); |
|
|
|
err = bnxt_hwrm_func_reset(bp); |
|
if (!err) |
|
result = PCI_ERS_RESULT_RECOVERED; |
|
} |
|
|
|
rtnl_unlock(); |
|
|
|
return result; |
|
} |
|
|
|
/** |
|
* bnxt_io_resume - called when traffic can start flowing again. |
|
* @pdev: Pointer to PCI device |
|
* |
|
* This callback is called when the error recovery driver tells |
|
* us that its OK to resume normal operation. |
|
*/ |
|
static void bnxt_io_resume(struct pci_dev *pdev) |
|
{ |
|
struct net_device *netdev = pci_get_drvdata(pdev); |
|
struct bnxt *bp = netdev_priv(netdev); |
|
int err; |
|
|
|
netdev_info(bp->dev, "PCI Slot Resume\n"); |
|
rtnl_lock(); |
|
|
|
err = bnxt_hwrm_func_qcaps(bp); |
|
if (!err && netif_running(netdev)) |
|
err = bnxt_open(netdev); |
|
|
|
bnxt_ulp_start(bp, err); |
|
if (!err) { |
|
bnxt_reenable_sriov(bp); |
|
netif_device_attach(netdev); |
|
} |
|
|
|
rtnl_unlock(); |
|
} |
|
|
|
static const struct pci_error_handlers bnxt_err_handler = { |
|
.error_detected = bnxt_io_error_detected, |
|
.slot_reset = bnxt_io_slot_reset, |
|
.resume = bnxt_io_resume |
|
}; |
|
|
|
static struct pci_driver bnxt_pci_driver = { |
|
.name = DRV_MODULE_NAME, |
|
.id_table = bnxt_pci_tbl, |
|
.probe = bnxt_init_one, |
|
.remove = bnxt_remove_one, |
|
.shutdown = bnxt_shutdown, |
|
.driver.pm = BNXT_PM_OPS, |
|
.err_handler = &bnxt_err_handler, |
|
#if defined(CONFIG_BNXT_SRIOV) |
|
.sriov_configure = bnxt_sriov_configure, |
|
#endif |
|
}; |
|
|
|
static int __init bnxt_init(void) |
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{ |
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bnxt_debug_init(); |
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return pci_register_driver(&bnxt_pci_driver); |
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} |
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static void __exit bnxt_exit(void) |
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{ |
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pci_unregister_driver(&bnxt_pci_driver); |
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if (bnxt_pf_wq) |
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destroy_workqueue(bnxt_pf_wq); |
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bnxt_debug_exit(); |
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} |
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module_init(bnxt_init); |
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module_exit(bnxt_exit);
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