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2014 lines
52 KiB
2014 lines
52 KiB
// SPDX-License-Identifier: ISC |
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/* |
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* Copyright (c) 2012-2017 Qualcomm Atheros, Inc. |
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. |
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*/ |
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|
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#include <linux/moduleparam.h> |
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#include <linux/if_arp.h> |
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#include <linux/etherdevice.h> |
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#include <linux/rtnetlink.h> |
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#include "wil6210.h" |
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#include "txrx.h" |
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#include "txrx_edma.h" |
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#include "wmi.h" |
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#include "boot_loader.h" |
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#define WAIT_FOR_HALP_VOTE_MS 100 |
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#define WAIT_FOR_SCAN_ABORT_MS 1000 |
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#define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1 |
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#define WIL_BOARD_FILE_MAX_NAMELEN 128 |
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bool debug_fw; /* = false; */ |
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module_param(debug_fw, bool, 0444); |
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MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); |
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static u8 oob_mode; |
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module_param(oob_mode, byte, 0444); |
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MODULE_PARM_DESC(oob_mode, |
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" enable out of the box (OOB) mode in FW, for diagnostics and certification"); |
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bool no_fw_recovery; |
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module_param(no_fw_recovery, bool, 0644); |
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MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); |
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/* if not set via modparam, will be set to default value of 1/8 of |
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* rx ring size during init flow |
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*/ |
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unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; |
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module_param(rx_ring_overflow_thrsh, ushort, 0444); |
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MODULE_PARM_DESC(rx_ring_overflow_thrsh, |
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" RX ring overflow threshold in descriptors."); |
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/* We allow allocation of more than 1 page buffers to support large packets. |
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* It is suboptimal behavior performance wise in case MTU above page size. |
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*/ |
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unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; |
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static int mtu_max_set(const char *val, const struct kernel_param *kp) |
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{ |
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int ret; |
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/* sets mtu_max directly. no need to restore it in case of |
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* illegal value since we assume this will fail insmod |
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*/ |
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ret = param_set_uint(val, kp); |
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if (ret) |
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return ret; |
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if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) |
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ret = -EINVAL; |
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return ret; |
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} |
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static const struct kernel_param_ops mtu_max_ops = { |
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.set = mtu_max_set, |
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.get = param_get_uint, |
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}; |
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module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444); |
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MODULE_PARM_DESC(mtu_max, " Max MTU value."); |
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static uint rx_ring_order; |
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static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; |
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static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; |
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static int ring_order_set(const char *val, const struct kernel_param *kp) |
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{ |
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int ret; |
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uint x; |
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ret = kstrtouint(val, 0, &x); |
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if (ret) |
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return ret; |
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if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) |
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return -EINVAL; |
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*((uint *)kp->arg) = x; |
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return 0; |
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} |
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static const struct kernel_param_ops ring_order_ops = { |
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.set = ring_order_set, |
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.get = param_get_uint, |
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}; |
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module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444); |
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MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); |
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module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444); |
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MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); |
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module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); |
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MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); |
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enum { |
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WIL_BOOT_ERR, |
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WIL_BOOT_VANILLA, |
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WIL_BOOT_PRODUCTION, |
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WIL_BOOT_DEVELOPMENT, |
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}; |
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enum { |
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WIL_SIG_STATUS_VANILLA = 0x0, |
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WIL_SIG_STATUS_DEVELOPMENT = 0x1, |
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WIL_SIG_STATUS_PRODUCTION = 0x2, |
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WIL_SIG_STATUS_CORRUPTED_PRODUCTION = 0x3, |
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}; |
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#define RST_DELAY (20) /* msec, for loop in @wil_wait_device_ready */ |
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#define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ |
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#define PMU_READY_DELAY_MS (4) /* ms, for sleep in @wil_wait_device_ready */ |
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#define OTP_HW_DELAY (200) /* usec, loop in @wil_wait_device_ready_talyn_mb */ |
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/* round up to be above 2 ms total */ |
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#define OTP_HW_COUNT (1 + 2000 / OTP_HW_DELAY) |
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/* |
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* Due to a hardware issue, |
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* one has to read/write to/from NIC in 32-bit chunks; |
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* regular memcpy_fromio and siblings will |
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* not work on 64-bit platform - it uses 64-bit transactions |
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* |
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* Force 32-bit transactions to enable NIC on 64-bit platforms |
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* |
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* To avoid byte swap on big endian host, __raw_{read|write}l |
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* should be used - {read|write}l would swap bytes to provide |
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* little endian on PCI value in host endianness. |
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*/ |
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void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, |
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size_t count) |
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{ |
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u32 *d = dst; |
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const volatile u32 __iomem *s = src; |
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for (; count >= 4; count -= 4) |
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*d++ = __raw_readl(s++); |
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if (unlikely(count)) { |
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/* count can be 1..3 */ |
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u32 tmp = __raw_readl(s); |
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memcpy(d, &tmp, count); |
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} |
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} |
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void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, |
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size_t count) |
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{ |
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volatile u32 __iomem *d = dst; |
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const u32 *s = src; |
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for (; count >= 4; count -= 4) |
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__raw_writel(*s++, d++); |
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if (unlikely(count)) { |
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/* count can be 1..3 */ |
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u32 tmp = 0; |
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memcpy(&tmp, s, count); |
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__raw_writel(tmp, d); |
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} |
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} |
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/* Device memory access is prohibited while reset or suspend. |
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* wil_mem_access_lock protects accessing device memory in these cases |
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*/ |
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int wil_mem_access_lock(struct wil6210_priv *wil) |
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{ |
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if (!down_read_trylock(&wil->mem_lock)) |
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return -EBUSY; |
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if (test_bit(wil_status_suspending, wil->status) || |
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test_bit(wil_status_suspended, wil->status)) { |
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up_read(&wil->mem_lock); |
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return -EBUSY; |
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} |
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return 0; |
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} |
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void wil_mem_access_unlock(struct wil6210_priv *wil) |
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{ |
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up_read(&wil->mem_lock); |
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} |
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static void wil_ring_fini_tx(struct wil6210_priv *wil, int id) |
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{ |
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struct wil_ring *ring = &wil->ring_tx[id]; |
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struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; |
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lockdep_assert_held(&wil->mutex); |
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if (!ring->va) |
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return; |
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wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id); |
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spin_lock_bh(&txdata->lock); |
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txdata->dot1x_open = false; |
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txdata->mid = U8_MAX; |
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txdata->enabled = 0; /* no Tx can be in progress or start anew */ |
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spin_unlock_bh(&txdata->lock); |
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/* napi_synchronize waits for completion of the current NAPI but will |
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* not prevent the next NAPI run. |
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* Add a memory barrier to guarantee that txdata->enabled is zeroed |
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* before napi_synchronize so that the next scheduled NAPI will not |
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* handle this vring |
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*/ |
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wmb(); |
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/* make sure NAPI won't touch this vring */ |
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if (test_bit(wil_status_napi_en, wil->status)) |
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napi_synchronize(&wil->napi_tx); |
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wil->txrx_ops.ring_fini_tx(wil, ring); |
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} |
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static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid) |
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{ |
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int i; |
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for (i = 0; i < wil->max_assoc_sta; i++) { |
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if (wil->sta[i].mid == mid && |
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wil->sta[i].status == wil_sta_connected) |
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return true; |
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} |
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return false; |
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} |
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static void wil_disconnect_cid_complete(struct wil6210_vif *vif, int cid, |
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u16 reason_code) |
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__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) |
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{ |
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uint i; |
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struct wil6210_priv *wil = vif_to_wil(vif); |
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struct net_device *ndev = vif_to_ndev(vif); |
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struct wireless_dev *wdev = vif_to_wdev(vif); |
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struct wil_sta_info *sta = &wil->sta[cid]; |
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int min_ring_id = wil_get_min_tx_ring_id(wil); |
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might_sleep(); |
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wil_dbg_misc(wil, |
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"disconnect_cid_complete: CID %d, MID %d, status %d\n", |
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cid, sta->mid, sta->status); |
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/* inform upper layers */ |
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if (sta->status != wil_sta_unused) { |
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if (vif->mid != sta->mid) { |
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wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", |
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vif->mid); |
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} |
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switch (wdev->iftype) { |
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case NL80211_IFTYPE_AP: |
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case NL80211_IFTYPE_P2P_GO: |
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/* AP-like interface */ |
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cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); |
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break; |
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default: |
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break; |
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} |
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sta->status = wil_sta_unused; |
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sta->mid = U8_MAX; |
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} |
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/* reorder buffers */ |
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for (i = 0; i < WIL_STA_TID_NUM; i++) { |
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struct wil_tid_ampdu_rx *r; |
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spin_lock_bh(&sta->tid_rx_lock); |
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r = sta->tid_rx[i]; |
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sta->tid_rx[i] = NULL; |
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wil_tid_ampdu_rx_free(wil, r); |
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spin_unlock_bh(&sta->tid_rx_lock); |
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} |
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/* crypto context */ |
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memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); |
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memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); |
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/* release vrings */ |
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for (i = min_ring_id; i < ARRAY_SIZE(wil->ring_tx); i++) { |
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if (wil->ring2cid_tid[i][0] == cid) |
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wil_ring_fini_tx(wil, i); |
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} |
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/* statistics */ |
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memset(&sta->stats, 0, sizeof(sta->stats)); |
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sta->stats.tx_latency_min_us = U32_MAX; |
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} |
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static void _wil6210_disconnect_complete(struct wil6210_vif *vif, |
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const u8 *bssid, u16 reason_code) |
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{ |
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struct wil6210_priv *wil = vif_to_wil(vif); |
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int cid = -ENOENT; |
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struct net_device *ndev; |
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struct wireless_dev *wdev; |
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ndev = vif_to_ndev(vif); |
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wdev = vif_to_wdev(vif); |
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might_sleep(); |
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wil_info(wil, "disconnect_complete: bssid=%pM, reason=%d\n", |
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bssid, reason_code); |
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/* Cases are: |
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* - disconnect single STA, still connected |
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* - disconnect single STA, already disconnected |
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* - disconnect all |
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* |
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* For "disconnect all", there are 3 options: |
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* - bssid == NULL |
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* - bssid is broadcast address (ff:ff:ff:ff:ff:ff) |
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* - bssid is our MAC address |
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*/ |
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if (bssid && !is_broadcast_ether_addr(bssid) && |
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!ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { |
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cid = wil_find_cid(wil, vif->mid, bssid); |
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wil_dbg_misc(wil, |
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"Disconnect complete %pM, CID=%d, reason=%d\n", |
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bssid, cid, reason_code); |
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if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */ |
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wil_disconnect_cid_complete(vif, cid, reason_code); |
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} else { /* all */ |
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wil_dbg_misc(wil, "Disconnect complete all\n"); |
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for (cid = 0; cid < wil->max_assoc_sta; cid++) |
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wil_disconnect_cid_complete(vif, cid, reason_code); |
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} |
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/* link state */ |
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switch (wdev->iftype) { |
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case NL80211_IFTYPE_STATION: |
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case NL80211_IFTYPE_P2P_CLIENT: |
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wil_bcast_fini(vif); |
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wil_update_net_queues_bh(wil, vif, NULL, true); |
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netif_carrier_off(ndev); |
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if (!wil_has_other_active_ifaces(wil, ndev, false, true)) |
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wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); |
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if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) { |
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atomic_dec(&wil->connected_vifs); |
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cfg80211_disconnected(ndev, reason_code, |
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NULL, 0, |
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vif->locally_generated_disc, |
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GFP_KERNEL); |
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vif->locally_generated_disc = false; |
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} else if (test_bit(wil_vif_fwconnecting, vif->status)) { |
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cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, |
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WLAN_STATUS_UNSPECIFIED_FAILURE, |
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GFP_KERNEL); |
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vif->bss = NULL; |
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} |
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clear_bit(wil_vif_fwconnecting, vif->status); |
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clear_bit(wil_vif_ft_roam, vif->status); |
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vif->ptk_rekey_state = WIL_REKEY_IDLE; |
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break; |
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case NL80211_IFTYPE_AP: |
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case NL80211_IFTYPE_P2P_GO: |
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if (!wil_vif_is_connected(wil, vif->mid)) { |
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wil_update_net_queues_bh(wil, vif, NULL, true); |
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if (test_and_clear_bit(wil_vif_fwconnected, |
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vif->status)) |
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atomic_dec(&wil->connected_vifs); |
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} else { |
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wil_update_net_queues_bh(wil, vif, NULL, false); |
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} |
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break; |
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default: |
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break; |
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} |
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} |
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static int wil_disconnect_cid(struct wil6210_vif *vif, int cid, |
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u16 reason_code) |
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{ |
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struct wil6210_priv *wil = vif_to_wil(vif); |
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struct wireless_dev *wdev = vif_to_wdev(vif); |
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struct wil_sta_info *sta = &wil->sta[cid]; |
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bool del_sta = false; |
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might_sleep(); |
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wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n", |
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cid, sta->mid, sta->status); |
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if (sta->status == wil_sta_unused) |
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return 0; |
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if (vif->mid != sta->mid) { |
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wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", vif->mid); |
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return -EINVAL; |
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} |
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/* inform lower layers */ |
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if (wdev->iftype == NL80211_IFTYPE_AP && disable_ap_sme) |
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del_sta = true; |
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/* disconnect by sending command disconnect/del_sta and wait |
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* synchronously for WMI_DISCONNECT_EVENTID event. |
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*/ |
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return wmi_disconnect_sta(vif, sta->addr, reason_code, del_sta); |
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} |
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static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, |
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u16 reason_code) |
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{ |
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struct wil6210_priv *wil; |
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struct net_device *ndev; |
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int cid = -ENOENT; |
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if (unlikely(!vif)) |
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return; |
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wil = vif_to_wil(vif); |
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ndev = vif_to_ndev(vif); |
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might_sleep(); |
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wil_info(wil, "disconnect bssid=%pM, reason=%d\n", bssid, reason_code); |
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/* Cases are: |
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* - disconnect single STA, still connected |
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* - disconnect single STA, already disconnected |
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* - disconnect all |
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* |
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* For "disconnect all", there are 3 options: |
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* - bssid == NULL |
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* - bssid is broadcast address (ff:ff:ff:ff:ff:ff) |
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* - bssid is our MAC address |
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*/ |
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if (bssid && !is_broadcast_ether_addr(bssid) && |
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!ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { |
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cid = wil_find_cid(wil, vif->mid, bssid); |
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wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", |
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bssid, cid, reason_code); |
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if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */ |
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wil_disconnect_cid(vif, cid, reason_code); |
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} else { /* all */ |
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wil_dbg_misc(wil, "Disconnect all\n"); |
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for (cid = 0; cid < wil->max_assoc_sta; cid++) |
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wil_disconnect_cid(vif, cid, reason_code); |
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} |
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/* call event handler manually after processing wmi_call, |
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* to avoid deadlock - disconnect event handler acquires |
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* wil->mutex while it is already held here |
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*/ |
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_wil6210_disconnect_complete(vif, bssid, reason_code); |
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} |
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void wil_disconnect_worker(struct work_struct *work) |
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{ |
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struct wil6210_vif *vif = container_of(work, |
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struct wil6210_vif, disconnect_worker); |
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struct wil6210_priv *wil = vif_to_wil(vif); |
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struct net_device *ndev = vif_to_ndev(vif); |
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int rc; |
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struct { |
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struct wmi_cmd_hdr wmi; |
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struct wmi_disconnect_event evt; |
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} __packed reply; |
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if (test_bit(wil_vif_fwconnected, vif->status)) |
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/* connect succeeded after all */ |
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return; |
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if (!test_bit(wil_vif_fwconnecting, vif->status)) |
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/* already disconnected */ |
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return; |
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memset(&reply, 0, sizeof(reply)); |
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rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, |
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WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), |
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WIL6210_DISCONNECT_TO_MS); |
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if (rc) { |
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wil_err(wil, "disconnect error %d\n", rc); |
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return; |
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} |
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wil_update_net_queues_bh(wil, vif, NULL, true); |
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netif_carrier_off(ndev); |
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cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0, |
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WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); |
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clear_bit(wil_vif_fwconnecting, vif->status); |
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} |
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static int wil_wait_for_recovery(struct wil6210_priv *wil) |
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{ |
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if (wait_event_interruptible(wil->wq, wil->recovery_state != |
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fw_recovery_pending)) { |
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wil_err(wil, "Interrupt, canceling recovery\n"); |
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return -ERESTARTSYS; |
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} |
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if (wil->recovery_state != fw_recovery_running) { |
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wil_info(wil, "Recovery cancelled\n"); |
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return -EINTR; |
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} |
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wil_info(wil, "Proceed with recovery\n"); |
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return 0; |
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} |
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void wil_set_recovery_state(struct wil6210_priv *wil, int state) |
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{ |
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wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n", |
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wil->recovery_state, state); |
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|
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wil->recovery_state = state; |
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wake_up_interruptible(&wil->wq); |
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} |
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bool wil_is_recovery_blocked(struct wil6210_priv *wil) |
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{ |
|
return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); |
|
} |
|
|
|
static void wil_fw_error_worker(struct work_struct *work) |
|
{ |
|
struct wil6210_priv *wil = container_of(work, struct wil6210_priv, |
|
fw_error_worker); |
|
struct net_device *ndev = wil->main_ndev; |
|
struct wireless_dev *wdev; |
|
|
|
wil_dbg_misc(wil, "fw error worker\n"); |
|
|
|
if (!ndev || !(ndev->flags & IFF_UP)) { |
|
wil_info(wil, "No recovery - interface is down\n"); |
|
return; |
|
} |
|
wdev = ndev->ieee80211_ptr; |
|
|
|
/* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO |
|
* passed since last recovery attempt |
|
*/ |
|
if (time_is_after_jiffies(wil->last_fw_recovery + |
|
WIL6210_FW_RECOVERY_TO)) |
|
wil->recovery_count++; |
|
else |
|
wil->recovery_count = 1; /* fw was alive for a long time */ |
|
|
|
if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { |
|
wil_err(wil, "too many recovery attempts (%d), giving up\n", |
|
wil->recovery_count); |
|
return; |
|
} |
|
|
|
wil->last_fw_recovery = jiffies; |
|
|
|
wil_info(wil, "fw error recovery requested (try %d)...\n", |
|
wil->recovery_count); |
|
if (!no_fw_recovery) |
|
wil->recovery_state = fw_recovery_running; |
|
if (wil_wait_for_recovery(wil) != 0) |
|
return; |
|
|
|
rtnl_lock(); |
|
mutex_lock(&wil->mutex); |
|
/* Needs adaptation for multiple VIFs |
|
* need to go over all VIFs and consider the appropriate |
|
* recovery because each one can have different iftype. |
|
*/ |
|
switch (wdev->iftype) { |
|
case NL80211_IFTYPE_STATION: |
|
case NL80211_IFTYPE_P2P_CLIENT: |
|
case NL80211_IFTYPE_MONITOR: |
|
/* silent recovery, upper layers will see disconnect */ |
|
__wil_down(wil); |
|
__wil_up(wil); |
|
break; |
|
case NL80211_IFTYPE_AP: |
|
case NL80211_IFTYPE_P2P_GO: |
|
if (no_fw_recovery) /* upper layers do recovery */ |
|
break; |
|
/* silent recovery, upper layers will see disconnect */ |
|
__wil_down(wil); |
|
__wil_up(wil); |
|
mutex_unlock(&wil->mutex); |
|
wil_cfg80211_ap_recovery(wil); |
|
mutex_lock(&wil->mutex); |
|
wil_info(wil, "... completed\n"); |
|
break; |
|
default: |
|
wil_err(wil, "No recovery - unknown interface type %d\n", |
|
wdev->iftype); |
|
break; |
|
} |
|
|
|
mutex_unlock(&wil->mutex); |
|
rtnl_unlock(); |
|
} |
|
|
|
static int wil_find_free_ring(struct wil6210_priv *wil) |
|
{ |
|
int i; |
|
int min_ring_id = wil_get_min_tx_ring_id(wil); |
|
|
|
for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { |
|
if (!wil->ring_tx[i].va) |
|
return i; |
|
} |
|
return -EINVAL; |
|
} |
|
|
|
int wil_ring_init_tx(struct wil6210_vif *vif, int cid) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
int rc = -EINVAL, ringid; |
|
|
|
if (cid < 0) { |
|
wil_err(wil, "No connection pending\n"); |
|
goto out; |
|
} |
|
ringid = wil_find_free_ring(wil); |
|
if (ringid < 0) { |
|
wil_err(wil, "No free vring found\n"); |
|
goto out; |
|
} |
|
|
|
wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", |
|
cid, vif->mid, ringid); |
|
|
|
rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order, |
|
cid, 0); |
|
if (rc) |
|
wil_err(wil, "init TX for CID %d MID %d vring %d failed\n", |
|
cid, vif->mid, ringid); |
|
|
|
out: |
|
return rc; |
|
} |
|
|
|
int wil_bcast_init(struct wil6210_vif *vif) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
int ri = vif->bcast_ring, rc; |
|
|
|
if (ri >= 0 && wil->ring_tx[ri].va) |
|
return 0; |
|
|
|
ri = wil_find_free_ring(wil); |
|
if (ri < 0) |
|
return ri; |
|
|
|
vif->bcast_ring = ri; |
|
rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order); |
|
if (rc) |
|
vif->bcast_ring = -1; |
|
|
|
return rc; |
|
} |
|
|
|
void wil_bcast_fini(struct wil6210_vif *vif) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
int ri = vif->bcast_ring; |
|
|
|
if (ri < 0) |
|
return; |
|
|
|
vif->bcast_ring = -1; |
|
wil_ring_fini_tx(wil, ri); |
|
} |
|
|
|
void wil_bcast_fini_all(struct wil6210_priv *wil) |
|
{ |
|
int i; |
|
struct wil6210_vif *vif; |
|
|
|
for (i = 0; i < GET_MAX_VIFS(wil); i++) { |
|
vif = wil->vifs[i]; |
|
if (vif) |
|
wil_bcast_fini(vif); |
|
} |
|
} |
|
|
|
int wil_priv_init(struct wil6210_priv *wil) |
|
{ |
|
uint i; |
|
|
|
wil_dbg_misc(wil, "priv_init\n"); |
|
|
|
memset(wil->sta, 0, sizeof(wil->sta)); |
|
for (i = 0; i < WIL6210_MAX_CID; i++) { |
|
spin_lock_init(&wil->sta[i].tid_rx_lock); |
|
wil->sta[i].mid = U8_MAX; |
|
} |
|
|
|
for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { |
|
spin_lock_init(&wil->ring_tx_data[i].lock); |
|
wil->ring2cid_tid[i][0] = WIL6210_MAX_CID; |
|
} |
|
|
|
mutex_init(&wil->mutex); |
|
mutex_init(&wil->vif_mutex); |
|
mutex_init(&wil->wmi_mutex); |
|
mutex_init(&wil->halp.lock); |
|
|
|
init_completion(&wil->wmi_ready); |
|
init_completion(&wil->wmi_call); |
|
init_completion(&wil->halp.comp); |
|
|
|
INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); |
|
INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); |
|
|
|
INIT_LIST_HEAD(&wil->pending_wmi_ev); |
|
spin_lock_init(&wil->wmi_ev_lock); |
|
spin_lock_init(&wil->net_queue_lock); |
|
spin_lock_init(&wil->eap_lock); |
|
|
|
init_waitqueue_head(&wil->wq); |
|
init_rwsem(&wil->mem_lock); |
|
|
|
wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); |
|
if (!wil->wmi_wq) |
|
return -EAGAIN; |
|
|
|
wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); |
|
if (!wil->wq_service) |
|
goto out_wmi_wq; |
|
|
|
wil->last_fw_recovery = jiffies; |
|
wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; |
|
wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; |
|
wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; |
|
wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; |
|
|
|
if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) |
|
rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; |
|
|
|
wil->ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; |
|
|
|
wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | |
|
WMI_WAKEUP_TRIGGER_BCAST; |
|
memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); |
|
wil->ring_idle_trsh = 16; |
|
|
|
wil->reply_mid = U8_MAX; |
|
wil->max_vifs = 1; |
|
wil->max_assoc_sta = max_assoc_sta; |
|
|
|
/* edma configuration can be updated via debugfs before allocation */ |
|
wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; |
|
wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; |
|
|
|
/* Rx status ring size should be bigger than the number of RX buffers |
|
* in order to prevent backpressure on the status ring, which may |
|
* cause HW freeze. |
|
*/ |
|
wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; |
|
/* Number of RX buffer IDs should be bigger than the RX descriptor |
|
* ring size as in HW reorder flow, the HW can consume additional |
|
* buffers before releasing the previous ones. |
|
*/ |
|
wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; |
|
|
|
wil->amsdu_en = true; |
|
|
|
return 0; |
|
|
|
out_wmi_wq: |
|
destroy_workqueue(wil->wmi_wq); |
|
|
|
return -EAGAIN; |
|
} |
|
|
|
void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps) |
|
{ |
|
if (wil->platform_ops.bus_request) { |
|
wil->bus_request_kbps = kbps; |
|
wil->platform_ops.bus_request(wil->platform_handle, kbps); |
|
} |
|
} |
|
|
|
/** |
|
* wil6210_disconnect - disconnect one connection |
|
* @vif: virtual interface context |
|
* @bssid: peer to disconnect, NULL to disconnect all |
|
* @reason_code: Reason code for the Disassociation frame |
|
* |
|
* Disconnect and release associated resources. Issue WMI |
|
* command(s) to trigger MAC disconnect. When command was issued |
|
* successfully, call the wil6210_disconnect_complete function |
|
* to handle the event synchronously |
|
*/ |
|
void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, |
|
u16 reason_code) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
|
|
wil_dbg_misc(wil, "disconnecting\n"); |
|
|
|
del_timer_sync(&vif->connect_timer); |
|
_wil6210_disconnect(vif, bssid, reason_code); |
|
} |
|
|
|
/** |
|
* wil6210_disconnect_complete - handle disconnect event |
|
* @vif: virtual interface context |
|
* @bssid: peer to disconnect, NULL to disconnect all |
|
* @reason_code: Reason code for the Disassociation frame |
|
* |
|
* Release associated resources and indicate upper layers the |
|
* connection is terminated. |
|
*/ |
|
void wil6210_disconnect_complete(struct wil6210_vif *vif, const u8 *bssid, |
|
u16 reason_code) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
|
|
wil_dbg_misc(wil, "got disconnect\n"); |
|
|
|
del_timer_sync(&vif->connect_timer); |
|
_wil6210_disconnect_complete(vif, bssid, reason_code); |
|
} |
|
|
|
void wil_priv_deinit(struct wil6210_priv *wil) |
|
{ |
|
wil_dbg_misc(wil, "priv_deinit\n"); |
|
|
|
wil_set_recovery_state(wil, fw_recovery_idle); |
|
cancel_work_sync(&wil->fw_error_worker); |
|
wmi_event_flush(wil); |
|
destroy_workqueue(wil->wq_service); |
|
destroy_workqueue(wil->wmi_wq); |
|
kfree(wil->brd_info); |
|
} |
|
|
|
static void wil_shutdown_bl(struct wil6210_priv *wil) |
|
{ |
|
u32 val; |
|
|
|
wil_s(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD); |
|
|
|
usleep_range(100, 150); |
|
|
|
val = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_shutdown_handshake)); |
|
if (val & BL_SHUTDOWN_HS_RTD) { |
|
wil_dbg_misc(wil, "BL is ready for halt\n"); |
|
return; |
|
} |
|
|
|
wil_err(wil, "BL did not report ready for halt\n"); |
|
} |
|
|
|
/* this format is used by ARC embedded CPU for instruction memory */ |
|
static inline u32 ARC_me_imm32(u32 d) |
|
{ |
|
return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16); |
|
} |
|
|
|
/* defines access to interrupt vectors for wil_freeze_bl */ |
|
#define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8) |
|
/* ARC long jump instruction */ |
|
#define ARC_JAL_INST (0x20200f80) |
|
|
|
static void wil_freeze_bl(struct wil6210_priv *wil) |
|
{ |
|
u32 jal, upc, saved; |
|
u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3); |
|
|
|
jal = wil_r(wil, wil->iccm_base + ivt3); |
|
if (jal != ARC_me_imm32(ARC_JAL_INST)) { |
|
wil_dbg_misc(wil, "invalid IVT entry found, skipping\n"); |
|
return; |
|
} |
|
|
|
/* prevent the target from entering deep sleep |
|
* and disabling memory access |
|
*/ |
|
saved = wil_r(wil, RGF_USER_USAGE_8); |
|
wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP); |
|
usleep_range(20, 25); /* let the BL process the bit */ |
|
|
|
/* redirect to endless loop in the INT_L1 context and let it trap */ |
|
wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3)); |
|
usleep_range(20, 25); /* let the BL get into the trap */ |
|
|
|
/* verify the BL is frozen */ |
|
upc = wil_r(wil, RGF_USER_CPU_PC); |
|
if (upc < ivt3 || (upc > (ivt3 + 8))) |
|
wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc); |
|
|
|
wil_w(wil, RGF_USER_USAGE_8, saved); |
|
} |
|
|
|
static void wil_bl_prepare_halt(struct wil6210_priv *wil) |
|
{ |
|
u32 tmp, ver; |
|
|
|
/* before halting device CPU driver must make sure BL is not accessing |
|
* host memory. This is done differently depending on BL version: |
|
* 1. For very old BL versions the procedure is skipped |
|
* (not supported). |
|
* 2. For old BL version we use a special trick to freeze the BL |
|
* 3. For new BL versions we shutdown the BL using handshake procedure. |
|
*/ |
|
tmp = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v0, |
|
boot_loader_struct_version)); |
|
if (!tmp) { |
|
wil_dbg_misc(wil, "old BL, skipping halt preparation\n"); |
|
return; |
|
} |
|
|
|
tmp = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_shutdown_handshake)); |
|
ver = BL_SHUTDOWN_HS_PROT_VER(tmp); |
|
|
|
if (ver > 0) |
|
wil_shutdown_bl(wil); |
|
else |
|
wil_freeze_bl(wil); |
|
} |
|
|
|
static inline void wil_halt_cpu(struct wil6210_priv *wil) |
|
{ |
|
if (wil->hw_version >= HW_VER_TALYN_MB) { |
|
wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, |
|
BIT_USER_USER_CPU_MAN_RST); |
|
wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB, |
|
BIT_USER_MAC_CPU_MAN_RST); |
|
} else { |
|
wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); |
|
wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); |
|
} |
|
} |
|
|
|
static inline void wil_release_cpu(struct wil6210_priv *wil) |
|
{ |
|
/* Start CPU */ |
|
if (wil->hw_version >= HW_VER_TALYN_MB) |
|
wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1); |
|
else |
|
wil_w(wil, RGF_USER_USER_CPU_0, 1); |
|
} |
|
|
|
static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) |
|
{ |
|
wil_info(wil, "oob_mode to %d\n", mode); |
|
switch (mode) { |
|
case 0: |
|
wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE | |
|
BIT_USER_OOB_R2_MODE); |
|
break; |
|
case 1: |
|
wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); |
|
wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); |
|
break; |
|
case 2: |
|
wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); |
|
wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); |
|
break; |
|
default: |
|
wil_err(wil, "invalid oob_mode: %d\n", mode); |
|
} |
|
} |
|
|
|
static int wil_wait_device_ready(struct wil6210_priv *wil, int no_flash) |
|
{ |
|
int delay = 0; |
|
u32 x, x1 = 0; |
|
|
|
/* wait until device ready. */ |
|
if (no_flash) { |
|
msleep(PMU_READY_DELAY_MS); |
|
|
|
wil_dbg_misc(wil, "Reset completed\n"); |
|
} else { |
|
do { |
|
msleep(RST_DELAY); |
|
x = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v0, |
|
boot_loader_ready)); |
|
if (x1 != x) { |
|
wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", |
|
x1, x); |
|
x1 = x; |
|
} |
|
if (delay++ > RST_COUNT) { |
|
wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", |
|
x); |
|
return -ETIME; |
|
} |
|
} while (x != BL_READY); |
|
|
|
wil_dbg_misc(wil, "Reset completed in %d ms\n", |
|
delay * RST_DELAY); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int wil_wait_device_ready_talyn_mb(struct wil6210_priv *wil) |
|
{ |
|
u32 otp_hw; |
|
u8 signature_status; |
|
bool otp_signature_err; |
|
bool hw_section_done; |
|
u32 otp_qc_secured; |
|
int delay = 0; |
|
|
|
/* Wait for OTP signature test to complete */ |
|
usleep_range(2000, 2200); |
|
|
|
wil->boot_config = WIL_BOOT_ERR; |
|
|
|
/* Poll until OTP signature status is valid. |
|
* In vanilla and development modes, when signature test is complete |
|
* HW sets BIT_OTP_SIGNATURE_ERR_TALYN_MB. |
|
* In production mode BIT_OTP_SIGNATURE_ERR_TALYN_MB remains 0, poll |
|
* for signature status change to 2 or 3. |
|
*/ |
|
do { |
|
otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); |
|
signature_status = WIL_GET_BITS(otp_hw, 8, 9); |
|
otp_signature_err = otp_hw & BIT_OTP_SIGNATURE_ERR_TALYN_MB; |
|
|
|
if (otp_signature_err && |
|
signature_status == WIL_SIG_STATUS_VANILLA) { |
|
wil->boot_config = WIL_BOOT_VANILLA; |
|
break; |
|
} |
|
if (otp_signature_err && |
|
signature_status == WIL_SIG_STATUS_DEVELOPMENT) { |
|
wil->boot_config = WIL_BOOT_DEVELOPMENT; |
|
break; |
|
} |
|
if (!otp_signature_err && |
|
signature_status == WIL_SIG_STATUS_PRODUCTION) { |
|
wil->boot_config = WIL_BOOT_PRODUCTION; |
|
break; |
|
} |
|
if (!otp_signature_err && |
|
signature_status == |
|
WIL_SIG_STATUS_CORRUPTED_PRODUCTION) { |
|
/* Unrecognized OTP signature found. Possibly a |
|
* corrupted production signature, access control |
|
* is applied as in production mode, therefore |
|
* do not fail |
|
*/ |
|
wil->boot_config = WIL_BOOT_PRODUCTION; |
|
break; |
|
} |
|
if (delay++ > OTP_HW_COUNT) |
|
break; |
|
|
|
usleep_range(OTP_HW_DELAY, OTP_HW_DELAY + 10); |
|
} while (!otp_signature_err && signature_status == 0); |
|
|
|
if (wil->boot_config == WIL_BOOT_ERR) { |
|
wil_err(wil, |
|
"invalid boot config, signature_status %d otp_signature_err %d\n", |
|
signature_status, otp_signature_err); |
|
return -ETIME; |
|
} |
|
|
|
wil_dbg_misc(wil, |
|
"signature test done in %d usec, otp_hw 0x%x, boot_config %d\n", |
|
delay * OTP_HW_DELAY, otp_hw, wil->boot_config); |
|
|
|
if (wil->boot_config == WIL_BOOT_VANILLA) |
|
/* Assuming not SPI boot (currently not supported) */ |
|
goto out; |
|
|
|
hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; |
|
delay = 0; |
|
|
|
while (!hw_section_done) { |
|
msleep(RST_DELAY); |
|
|
|
otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); |
|
hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; |
|
|
|
if (delay++ > RST_COUNT) { |
|
wil_err(wil, "TO waiting for hw_section_done\n"); |
|
return -ETIME; |
|
} |
|
} |
|
|
|
wil_dbg_misc(wil, "HW section done in %d ms\n", delay * RST_DELAY); |
|
|
|
otp_qc_secured = wil_r(wil, RGF_OTP_QC_SECURED); |
|
wil->secured_boot = otp_qc_secured & BIT_BOOT_FROM_ROM ? 1 : 0; |
|
wil_dbg_misc(wil, "secured boot is %sabled\n", |
|
wil->secured_boot ? "en" : "dis"); |
|
|
|
out: |
|
wil_dbg_misc(wil, "Reset completed\n"); |
|
|
|
return 0; |
|
} |
|
|
|
static int wil_target_reset(struct wil6210_priv *wil, int no_flash) |
|
{ |
|
u32 x; |
|
int rc; |
|
|
|
wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); |
|
|
|
if (wil->hw_version < HW_VER_TALYN) { |
|
/* Clear MAC link up */ |
|
wil_s(wil, RGF_HP_CTRL, BIT(15)); |
|
wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, |
|
BIT_HPAL_PERST_FROM_PAD); |
|
wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); |
|
} |
|
|
|
wil_halt_cpu(wil); |
|
|
|
if (!no_flash) { |
|
/* clear all boot loader "ready" bits */ |
|
wil_w(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v0, |
|
boot_loader_ready), 0); |
|
/* this should be safe to write even with old BLs */ |
|
wil_w(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_shutdown_handshake), 0); |
|
} |
|
/* Clear Fw Download notification */ |
|
wil_c(wil, RGF_USER_USAGE_6, BIT(0)); |
|
|
|
wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); |
|
/* XTAL stabilization should take about 3ms */ |
|
usleep_range(5000, 7000); |
|
x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); |
|
if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { |
|
wil_err(wil, "Xtal stabilization timeout\n" |
|
"RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); |
|
return -ETIME; |
|
} |
|
/* switch 10k to XTAL*/ |
|
wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); |
|
/* 40 MHz */ |
|
wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); |
|
|
|
wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); |
|
wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); |
|
|
|
if (wil->hw_version >= HW_VER_TALYN_MB) { |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); |
|
} else { |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); |
|
} |
|
|
|
wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); |
|
|
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); |
|
|
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); |
|
/* reset A2 PCIE AHB */ |
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); |
|
|
|
wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); |
|
|
|
if (wil->hw_version == HW_VER_TALYN_MB) |
|
rc = wil_wait_device_ready_talyn_mb(wil); |
|
else |
|
rc = wil_wait_device_ready(wil, no_flash); |
|
if (rc) |
|
return rc; |
|
|
|
wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); |
|
|
|
/* enable fix for HW bug related to the SA/DA swap in AP Rx */ |
|
wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | |
|
BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); |
|
|
|
if (wil->hw_version < HW_VER_TALYN_MB && no_flash) { |
|
/* Reset OTP HW vectors to fit 40MHz */ |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001); |
|
wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001); |
|
wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void wil_collect_fw_info(struct wil6210_priv *wil) |
|
{ |
|
struct wiphy *wiphy = wil_to_wiphy(wil); |
|
u8 retry_short; |
|
int rc; |
|
|
|
wil_refresh_fw_capabilities(wil); |
|
|
|
rc = wmi_get_mgmt_retry(wil, &retry_short); |
|
if (!rc) { |
|
wiphy->retry_short = retry_short; |
|
wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short); |
|
} |
|
} |
|
|
|
void wil_refresh_fw_capabilities(struct wil6210_priv *wil) |
|
{ |
|
struct wiphy *wiphy = wil_to_wiphy(wil); |
|
int features; |
|
|
|
wil->keep_radio_on_during_sleep = |
|
test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND, |
|
wil->platform_capa) && |
|
test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); |
|
|
|
wil_info(wil, "keep_radio_on_during_sleep (%d)\n", |
|
wil->keep_radio_on_during_sleep); |
|
|
|
if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) |
|
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
|
else |
|
wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; |
|
|
|
if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) { |
|
wiphy->max_sched_scan_reqs = 1; |
|
wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM; |
|
wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM; |
|
wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN; |
|
wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; |
|
} |
|
|
|
if (test_bit(WMI_FW_CAPABILITY_TX_REQ_EXT, wil->fw_capabilities)) |
|
wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX; |
|
|
|
if (wil->platform_ops.set_features) { |
|
features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, |
|
wil->fw_capabilities) && |
|
test_bit(WIL_PLATFORM_CAPA_EXT_CLK, |
|
wil->platform_capa)) ? |
|
BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; |
|
|
|
if (wil->n_msi == 3) |
|
features |= BIT(WIL_PLATFORM_FEATURE_TRIPLE_MSI); |
|
|
|
wil->platform_ops.set_features(wil->platform_handle, features); |
|
} |
|
|
|
if (test_bit(WMI_FW_CAPABILITY_BACK_WIN_SIZE_64, |
|
wil->fw_capabilities)) { |
|
wil->max_agg_wsize = WIL_MAX_AGG_WSIZE_64; |
|
wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE_128; |
|
} else { |
|
wil->max_agg_wsize = WIL_MAX_AGG_WSIZE; |
|
wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE; |
|
} |
|
|
|
update_supported_bands(wil); |
|
} |
|
|
|
void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) |
|
{ |
|
le32_to_cpus(&r->base); |
|
le16_to_cpus(&r->entry_size); |
|
le16_to_cpus(&r->size); |
|
le32_to_cpus(&r->tail); |
|
le32_to_cpus(&r->head); |
|
} |
|
|
|
/* construct actual board file name to use */ |
|
void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len) |
|
{ |
|
const char *board_file; |
|
const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : |
|
WIL_FW_NAME_TALYN; |
|
|
|
if (wil->board_file) { |
|
board_file = wil->board_file; |
|
} else { |
|
/* If specific FW file is used for Talyn, |
|
* use specific board file |
|
*/ |
|
if (strcmp(wil->wil_fw_name, wil_talyn_fw_name) == 0) |
|
board_file = WIL_BRD_NAME_TALYN; |
|
else |
|
board_file = WIL_BOARD_FILE_NAME; |
|
} |
|
|
|
strlcpy(buf, board_file, len); |
|
} |
|
|
|
static int wil_get_bl_info(struct wil6210_priv *wil) |
|
{ |
|
struct net_device *ndev = wil->main_ndev; |
|
struct wiphy *wiphy = wil_to_wiphy(wil); |
|
union { |
|
struct bl_dedicated_registers_v0 bl0; |
|
struct bl_dedicated_registers_v1 bl1; |
|
} bl; |
|
u32 bl_ver; |
|
u8 *mac; |
|
u16 rf_status; |
|
|
|
wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), |
|
sizeof(bl)); |
|
bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); |
|
mac = bl.bl0.mac_address; |
|
|
|
if (bl_ver == 0) { |
|
le32_to_cpus(&bl.bl0.rf_type); |
|
le32_to_cpus(&bl.bl0.baseband_type); |
|
rf_status = 0; /* actually, unknown */ |
|
wil_info(wil, |
|
"Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", |
|
bl_ver, mac, |
|
bl.bl0.rf_type, bl.bl0.baseband_type); |
|
wil_info(wil, "Boot Loader build unknown for struct v0\n"); |
|
} else { |
|
le16_to_cpus(&bl.bl1.rf_type); |
|
rf_status = le16_to_cpu(bl.bl1.rf_status); |
|
le32_to_cpus(&bl.bl1.baseband_type); |
|
le16_to_cpus(&bl.bl1.bl_version_subminor); |
|
le16_to_cpus(&bl.bl1.bl_version_build); |
|
wil_info(wil, |
|
"Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", |
|
bl_ver, mac, |
|
bl.bl1.rf_type, rf_status, |
|
bl.bl1.baseband_type); |
|
wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", |
|
bl.bl1.bl_version_major, bl.bl1.bl_version_minor, |
|
bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); |
|
} |
|
|
|
if (!is_valid_ether_addr(mac)) { |
|
wil_err(wil, "BL: Invalid MAC %pM\n", mac); |
|
return -EINVAL; |
|
} |
|
|
|
ether_addr_copy(ndev->perm_addr, mac); |
|
ether_addr_copy(wiphy->perm_addr, mac); |
|
if (!is_valid_ether_addr(ndev->dev_addr)) |
|
ether_addr_copy(ndev->dev_addr, mac); |
|
|
|
if (rf_status) {/* bad RF cable? */ |
|
wil_err(wil, "RF communication error 0x%04x", |
|
rf_status); |
|
return -EAGAIN; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) |
|
{ |
|
u32 bl_assert_code, bl_assert_blink, bl_magic_number; |
|
u32 bl_ver = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v0, |
|
boot_loader_struct_version)); |
|
|
|
if (bl_ver < 2) |
|
return; |
|
|
|
bl_assert_code = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_assert_code)); |
|
bl_assert_blink = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_assert_blink)); |
|
bl_magic_number = wil_r(wil, RGF_USER_BL + |
|
offsetof(struct bl_dedicated_registers_v1, |
|
bl_magic_number)); |
|
|
|
if (is_err) { |
|
wil_err(wil, |
|
"BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", |
|
bl_assert_code, bl_assert_blink, bl_magic_number); |
|
} else { |
|
wil_dbg_misc(wil, |
|
"BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", |
|
bl_assert_code, bl_assert_blink, bl_magic_number); |
|
} |
|
} |
|
|
|
static int wil_get_otp_info(struct wil6210_priv *wil) |
|
{ |
|
struct net_device *ndev = wil->main_ndev; |
|
struct wiphy *wiphy = wil_to_wiphy(wil); |
|
u8 mac[8]; |
|
int mac_addr; |
|
|
|
/* OEM MAC has precedence */ |
|
mac_addr = RGF_OTP_OEM_MAC; |
|
wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), sizeof(mac)); |
|
|
|
if (is_valid_ether_addr(mac)) { |
|
wil_info(wil, "using OEM MAC %pM\n", mac); |
|
} else { |
|
if (wil->hw_version >= HW_VER_TALYN_MB) |
|
mac_addr = RGF_OTP_MAC_TALYN_MB; |
|
else |
|
mac_addr = RGF_OTP_MAC; |
|
|
|
wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), |
|
sizeof(mac)); |
|
} |
|
|
|
if (!is_valid_ether_addr(mac)) { |
|
wil_err(wil, "Invalid MAC %pM\n", mac); |
|
return -EINVAL; |
|
} |
|
|
|
ether_addr_copy(ndev->perm_addr, mac); |
|
ether_addr_copy(wiphy->perm_addr, mac); |
|
if (!is_valid_ether_addr(ndev->dev_addr)) |
|
ether_addr_copy(ndev->dev_addr, mac); |
|
|
|
return 0; |
|
} |
|
|
|
static int wil_wait_for_fw_ready(struct wil6210_priv *wil) |
|
{ |
|
ulong to = msecs_to_jiffies(2000); |
|
ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); |
|
|
|
if (0 == left) { |
|
wil_err(wil, "Firmware not ready\n"); |
|
return -ETIME; |
|
} else { |
|
wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", |
|
jiffies_to_msecs(to-left), wil->hw_version); |
|
} |
|
return 0; |
|
} |
|
|
|
void wil_abort_scan(struct wil6210_vif *vif, bool sync) |
|
{ |
|
struct wil6210_priv *wil = vif_to_wil(vif); |
|
int rc; |
|
struct cfg80211_scan_info info = { |
|
.aborted = true, |
|
}; |
|
|
|
lockdep_assert_held(&wil->vif_mutex); |
|
|
|
if (!vif->scan_request) |
|
return; |
|
|
|
wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request); |
|
del_timer_sync(&vif->scan_timer); |
|
mutex_unlock(&wil->vif_mutex); |
|
rc = wmi_abort_scan(vif); |
|
if (!rc && sync) |
|
wait_event_interruptible_timeout(wil->wq, !vif->scan_request, |
|
msecs_to_jiffies( |
|
WAIT_FOR_SCAN_ABORT_MS)); |
|
|
|
mutex_lock(&wil->vif_mutex); |
|
if (vif->scan_request) { |
|
cfg80211_scan_done(vif->scan_request, &info); |
|
vif->scan_request = NULL; |
|
} |
|
} |
|
|
|
void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync) |
|
{ |
|
int i; |
|
|
|
lockdep_assert_held(&wil->vif_mutex); |
|
|
|
for (i = 0; i < GET_MAX_VIFS(wil); i++) { |
|
struct wil6210_vif *vif = wil->vifs[i]; |
|
|
|
if (vif) |
|
wil_abort_scan(vif, sync); |
|
} |
|
} |
|
|
|
int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) |
|
{ |
|
int rc; |
|
|
|
if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { |
|
wil_err(wil, "set_power_mgmt not supported\n"); |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
rc = wmi_ps_dev_profile_cfg(wil, ps_profile); |
|
if (rc) |
|
wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); |
|
else |
|
wil->ps_profile = ps_profile; |
|
|
|
return rc; |
|
} |
|
|
|
static void wil_pre_fw_config(struct wil6210_priv *wil) |
|
{ |
|
wil_clear_fw_log_addr(wil); |
|
/* Mark FW as loaded from host */ |
|
wil_s(wil, RGF_USER_USAGE_6, 1); |
|
|
|
/* clear any interrupts which on-card-firmware |
|
* may have set |
|
*/ |
|
wil6210_clear_irq(wil); |
|
/* CAF_ICR - clear and mask */ |
|
/* it is W1C, clear by writing back same value */ |
|
if (wil->hw_version < HW_VER_TALYN_MB) { |
|
wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); |
|
wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); |
|
} |
|
/* clear PAL_UNIT_ICR (potential D0->D3 leftover) |
|
* In Talyn-MB host cannot access this register due to |
|
* access control, hence PAL_UNIT_ICR is cleared by the FW |
|
*/ |
|
if (wil->hw_version < HW_VER_TALYN_MB) |
|
wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), |
|
0); |
|
|
|
if (wil->fw_calib_result > 0) { |
|
__le32 val = cpu_to_le32(wil->fw_calib_result | |
|
(CALIB_RESULT_SIGNATURE << 8)); |
|
wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val); |
|
} |
|
} |
|
|
|
static int wil_restore_vifs(struct wil6210_priv *wil) |
|
{ |
|
struct wil6210_vif *vif; |
|
struct net_device *ndev; |
|
struct wireless_dev *wdev; |
|
int i, rc; |
|
|
|
for (i = 0; i < GET_MAX_VIFS(wil); i++) { |
|
vif = wil->vifs[i]; |
|
if (!vif) |
|
continue; |
|
vif->ap_isolate = 0; |
|
if (vif->mid) { |
|
ndev = vif_to_ndev(vif); |
|
wdev = vif_to_wdev(vif); |
|
rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, |
|
wdev->iftype); |
|
if (rc) { |
|
wil_err(wil, "fail to restore VIF %d type %d, rc %d\n", |
|
i, wdev->iftype, rc); |
|
return rc; |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* Clear FW and ucode log start addr to indicate FW log is not ready. The host |
|
* driver clears the addresses before FW starts and FW initializes the address |
|
* when it is ready to send logs. |
|
*/ |
|
void wil_clear_fw_log_addr(struct wil6210_priv *wil) |
|
{ |
|
/* FW log addr */ |
|
wil_w(wil, RGF_USER_USAGE_1, 0); |
|
/* ucode log addr */ |
|
wil_w(wil, RGF_USER_USAGE_2, 0); |
|
wil_dbg_misc(wil, "Cleared FW and ucode log address"); |
|
} |
|
|
|
/* |
|
* We reset all the structures, and we reset the UMAC. |
|
* After calling this routine, you're expected to reload |
|
* the firmware. |
|
*/ |
|
int wil_reset(struct wil6210_priv *wil, bool load_fw) |
|
{ |
|
int rc, i; |
|
unsigned long status_flags = BIT(wil_status_resetting); |
|
int no_flash; |
|
struct wil6210_vif *vif; |
|
|
|
wil_dbg_misc(wil, "reset\n"); |
|
|
|
WARN_ON(!mutex_is_locked(&wil->mutex)); |
|
WARN_ON(test_bit(wil_status_napi_en, wil->status)); |
|
|
|
if (debug_fw) { |
|
static const u8 mac[ETH_ALEN] = { |
|
0x00, 0xde, 0xad, 0x12, 0x34, 0x56, |
|
}; |
|
struct net_device *ndev = wil->main_ndev; |
|
|
|
ether_addr_copy(ndev->perm_addr, mac); |
|
ether_addr_copy(ndev->dev_addr, ndev->perm_addr); |
|
return 0; |
|
} |
|
|
|
if (wil->hw_version == HW_VER_UNKNOWN) |
|
return -ENODEV; |
|
|
|
if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa) && |
|
wil->hw_version < HW_VER_TALYN_MB) { |
|
wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n"); |
|
wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0); |
|
} |
|
|
|
if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) { |
|
wil_dbg_misc(wil, "Notify FW on ext clock configuration\n"); |
|
wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK); |
|
} |
|
|
|
if (wil->platform_ops.notify) { |
|
rc = wil->platform_ops.notify(wil->platform_handle, |
|
WIL_PLATFORM_EVT_PRE_RESET); |
|
if (rc) |
|
wil_err(wil, "PRE_RESET platform notify failed, rc %d\n", |
|
rc); |
|
} |
|
|
|
set_bit(wil_status_resetting, wil->status); |
|
mutex_lock(&wil->vif_mutex); |
|
wil_abort_scan_all_vifs(wil, false); |
|
mutex_unlock(&wil->vif_mutex); |
|
|
|
for (i = 0; i < GET_MAX_VIFS(wil); i++) { |
|
vif = wil->vifs[i]; |
|
if (vif) { |
|
cancel_work_sync(&vif->disconnect_worker); |
|
wil6210_disconnect(vif, NULL, |
|
WLAN_REASON_DEAUTH_LEAVING); |
|
vif->ptk_rekey_state = WIL_REKEY_IDLE; |
|
} |
|
} |
|
wil_bcast_fini_all(wil); |
|
|
|
/* Disable device led before reset*/ |
|
wmi_led_cfg(wil, false); |
|
|
|
down_write(&wil->mem_lock); |
|
|
|
/* prevent NAPI from being scheduled and prevent wmi commands */ |
|
mutex_lock(&wil->wmi_mutex); |
|
if (test_bit(wil_status_suspending, wil->status)) |
|
status_flags |= BIT(wil_status_suspending); |
|
bitmap_and(wil->status, wil->status, &status_flags, |
|
wil_status_last); |
|
wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status); |
|
mutex_unlock(&wil->wmi_mutex); |
|
|
|
wil_mask_irq(wil); |
|
|
|
wmi_event_flush(wil); |
|
|
|
flush_workqueue(wil->wq_service); |
|
flush_workqueue(wil->wmi_wq); |
|
|
|
no_flash = test_bit(hw_capa_no_flash, wil->hw_capa); |
|
if (!no_flash) |
|
wil_bl_crash_info(wil, false); |
|
wil_disable_irq(wil); |
|
rc = wil_target_reset(wil, no_flash); |
|
wil6210_clear_irq(wil); |
|
wil_enable_irq(wil); |
|
wil->txrx_ops.rx_fini(wil); |
|
wil->txrx_ops.tx_fini(wil); |
|
if (rc) { |
|
if (!no_flash) |
|
wil_bl_crash_info(wil, true); |
|
goto out; |
|
} |
|
|
|
if (no_flash) { |
|
rc = wil_get_otp_info(wil); |
|
} else { |
|
rc = wil_get_bl_info(wil); |
|
if (rc == -EAGAIN && !load_fw) |
|
/* ignore RF error if not going up */ |
|
rc = 0; |
|
} |
|
if (rc) |
|
goto out; |
|
|
|
wil_set_oob_mode(wil, oob_mode); |
|
if (load_fw) { |
|
char board_file[WIL_BOARD_FILE_MAX_NAMELEN]; |
|
|
|
if (wil->secured_boot) { |
|
wil_err(wil, "secured boot is not supported\n"); |
|
up_write(&wil->mem_lock); |
|
return -ENOTSUPP; |
|
} |
|
|
|
board_file[0] = '\0'; |
|
wil_get_board_file(wil, board_file, sizeof(board_file)); |
|
wil_info(wil, "Use firmware <%s> + board <%s>\n", |
|
wil->wil_fw_name, board_file); |
|
|
|
if (!no_flash) |
|
wil_bl_prepare_halt(wil); |
|
|
|
wil_halt_cpu(wil); |
|
memset(wil->fw_version, 0, sizeof(wil->fw_version)); |
|
/* Loading f/w from the file */ |
|
rc = wil_request_firmware(wil, wil->wil_fw_name, true); |
|
if (rc) |
|
goto out; |
|
if (wil->num_of_brd_entries) |
|
rc = wil_request_board(wil, board_file); |
|
else |
|
rc = wil_request_firmware(wil, board_file, true); |
|
if (rc) |
|
goto out; |
|
|
|
wil_pre_fw_config(wil); |
|
wil_release_cpu(wil); |
|
} |
|
|
|
/* init after reset */ |
|
reinit_completion(&wil->wmi_ready); |
|
reinit_completion(&wil->wmi_call); |
|
reinit_completion(&wil->halp.comp); |
|
|
|
clear_bit(wil_status_resetting, wil->status); |
|
|
|
up_write(&wil->mem_lock); |
|
|
|
if (load_fw) { |
|
wil_unmask_irq(wil); |
|
|
|
/* we just started MAC, wait for FW ready */ |
|
rc = wil_wait_for_fw_ready(wil); |
|
if (rc) |
|
return rc; |
|
|
|
/* check FW is responsive */ |
|
rc = wmi_echo(wil); |
|
if (rc) { |
|
wil_err(wil, "wmi_echo failed, rc %d\n", rc); |
|
return rc; |
|
} |
|
|
|
wil->txrx_ops.configure_interrupt_moderation(wil); |
|
|
|
/* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx |
|
* while there is back-pressure from Host during RX |
|
*/ |
|
if (wil->hw_version >= HW_VER_TALYN_MB) |
|
wil_s(wil, RGF_DMA_MISC_CTL, |
|
BIT_OFUL34_RDY_VALID_BUG_FIX_EN); |
|
|
|
rc = wil_restore_vifs(wil); |
|
if (rc) { |
|
wil_err(wil, "failed to restore vifs, rc %d\n", rc); |
|
return rc; |
|
} |
|
|
|
wil_collect_fw_info(wil); |
|
|
|
if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT) |
|
wil_ps_update(wil, wil->ps_profile); |
|
|
|
if (wil->platform_ops.notify) { |
|
rc = wil->platform_ops.notify(wil->platform_handle, |
|
WIL_PLATFORM_EVT_FW_RDY); |
|
if (rc) { |
|
wil_err(wil, "FW_RDY notify failed, rc %d\n", |
|
rc); |
|
rc = 0; |
|
} |
|
} |
|
} |
|
|
|
return rc; |
|
|
|
out: |
|
up_write(&wil->mem_lock); |
|
clear_bit(wil_status_resetting, wil->status); |
|
return rc; |
|
} |
|
|
|
void wil_fw_error_recovery(struct wil6210_priv *wil) |
|
{ |
|
wil_dbg_misc(wil, "starting fw error recovery\n"); |
|
|
|
if (test_bit(wil_status_resetting, wil->status)) { |
|
wil_info(wil, "Reset already in progress\n"); |
|
return; |
|
} |
|
|
|
wil->recovery_state = fw_recovery_pending; |
|
schedule_work(&wil->fw_error_worker); |
|
} |
|
|
|
int __wil_up(struct wil6210_priv *wil) |
|
{ |
|
struct net_device *ndev = wil->main_ndev; |
|
struct wireless_dev *wdev = ndev->ieee80211_ptr; |
|
int rc; |
|
|
|
WARN_ON(!mutex_is_locked(&wil->mutex)); |
|
|
|
rc = wil_reset(wil, true); |
|
if (rc) |
|
return rc; |
|
|
|
/* Rx RING. After MAC and beacon */ |
|
if (rx_ring_order == 0) |
|
rx_ring_order = wil->hw_version < HW_VER_TALYN_MB ? |
|
WIL_RX_RING_SIZE_ORDER_DEFAULT : |
|
WIL_RX_RING_SIZE_ORDER_TALYN_DEFAULT; |
|
|
|
rc = wil->txrx_ops.rx_init(wil, rx_ring_order); |
|
if (rc) |
|
return rc; |
|
|
|
rc = wil->txrx_ops.tx_init(wil); |
|
if (rc) |
|
return rc; |
|
|
|
switch (wdev->iftype) { |
|
case NL80211_IFTYPE_STATION: |
|
wil_dbg_misc(wil, "type: STATION\n"); |
|
ndev->type = ARPHRD_ETHER; |
|
break; |
|
case NL80211_IFTYPE_AP: |
|
wil_dbg_misc(wil, "type: AP\n"); |
|
ndev->type = ARPHRD_ETHER; |
|
break; |
|
case NL80211_IFTYPE_P2P_CLIENT: |
|
wil_dbg_misc(wil, "type: P2P_CLIENT\n"); |
|
ndev->type = ARPHRD_ETHER; |
|
break; |
|
case NL80211_IFTYPE_P2P_GO: |
|
wil_dbg_misc(wil, "type: P2P_GO\n"); |
|
ndev->type = ARPHRD_ETHER; |
|
break; |
|
case NL80211_IFTYPE_MONITOR: |
|
wil_dbg_misc(wil, "type: Monitor\n"); |
|
ndev->type = ARPHRD_IEEE80211_RADIOTAP; |
|
/* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ |
|
break; |
|
default: |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
/* MAC address - pre-requisite for other commands */ |
|
wmi_set_mac_address(wil, ndev->dev_addr); |
|
|
|
wil_dbg_misc(wil, "NAPI enable\n"); |
|
napi_enable(&wil->napi_rx); |
|
napi_enable(&wil->napi_tx); |
|
set_bit(wil_status_napi_en, wil->status); |
|
|
|
wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); |
|
|
|
return 0; |
|
} |
|
|
|
int wil_up(struct wil6210_priv *wil) |
|
{ |
|
int rc; |
|
|
|
wil_dbg_misc(wil, "up\n"); |
|
|
|
mutex_lock(&wil->mutex); |
|
rc = __wil_up(wil); |
|
mutex_unlock(&wil->mutex); |
|
|
|
return rc; |
|
} |
|
|
|
int __wil_down(struct wil6210_priv *wil) |
|
{ |
|
int rc; |
|
WARN_ON(!mutex_is_locked(&wil->mutex)); |
|
|
|
set_bit(wil_status_resetting, wil->status); |
|
|
|
wil6210_bus_request(wil, 0); |
|
|
|
wil_disable_irq(wil); |
|
if (test_and_clear_bit(wil_status_napi_en, wil->status)) { |
|
napi_disable(&wil->napi_rx); |
|
napi_disable(&wil->napi_tx); |
|
wil_dbg_misc(wil, "NAPI disable\n"); |
|
} |
|
wil_enable_irq(wil); |
|
|
|
mutex_lock(&wil->vif_mutex); |
|
wil_p2p_stop_radio_operations(wil); |
|
wil_abort_scan_all_vifs(wil, false); |
|
mutex_unlock(&wil->vif_mutex); |
|
|
|
rc = wil_reset(wil, false); |
|
|
|
return rc; |
|
} |
|
|
|
int wil_down(struct wil6210_priv *wil) |
|
{ |
|
int rc; |
|
|
|
wil_dbg_misc(wil, "down\n"); |
|
|
|
wil_set_recovery_state(wil, fw_recovery_idle); |
|
mutex_lock(&wil->mutex); |
|
rc = __wil_down(wil); |
|
mutex_unlock(&wil->mutex); |
|
|
|
return rc; |
|
} |
|
|
|
int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac) |
|
{ |
|
int i; |
|
int rc = -ENOENT; |
|
|
|
for (i = 0; i < wil->max_assoc_sta; i++) { |
|
if (wil->sta[i].mid == mid && |
|
wil->sta[i].status != wil_sta_unused && |
|
ether_addr_equal(wil->sta[i].addr, mac)) { |
|
rc = i; |
|
break; |
|
} |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
void wil_halp_vote(struct wil6210_priv *wil) |
|
{ |
|
unsigned long rc; |
|
unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); |
|
|
|
if (wil->hw_version >= HW_VER_TALYN_MB) |
|
return; |
|
|
|
mutex_lock(&wil->halp.lock); |
|
|
|
wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n", |
|
wil->halp.ref_cnt); |
|
|
|
if (++wil->halp.ref_cnt == 1) { |
|
reinit_completion(&wil->halp.comp); |
|
/* mark to IRQ context to handle HALP ICR */ |
|
wil->halp.handle_icr = true; |
|
wil6210_set_halp(wil); |
|
rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); |
|
if (!rc) { |
|
wil_err(wil, "HALP vote timed out\n"); |
|
/* Mask HALP as done in case the interrupt is raised */ |
|
wil->halp.handle_icr = false; |
|
wil6210_mask_halp(wil); |
|
} else { |
|
wil_dbg_irq(wil, |
|
"halp_vote: HALP vote completed after %d ms\n", |
|
jiffies_to_msecs(to_jiffies - rc)); |
|
} |
|
} |
|
|
|
wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n", |
|
wil->halp.ref_cnt); |
|
|
|
mutex_unlock(&wil->halp.lock); |
|
} |
|
|
|
void wil_halp_unvote(struct wil6210_priv *wil) |
|
{ |
|
if (wil->hw_version >= HW_VER_TALYN_MB) |
|
return; |
|
|
|
WARN_ON(wil->halp.ref_cnt == 0); |
|
|
|
mutex_lock(&wil->halp.lock); |
|
|
|
wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n", |
|
wil->halp.ref_cnt); |
|
|
|
if (--wil->halp.ref_cnt == 0) { |
|
wil6210_clear_halp(wil); |
|
wil_dbg_irq(wil, "HALP unvote\n"); |
|
} |
|
|
|
wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n", |
|
wil->halp.ref_cnt); |
|
|
|
mutex_unlock(&wil->halp.lock); |
|
} |
|
|
|
void wil_init_txrx_ops(struct wil6210_priv *wil) |
|
{ |
|
if (wil->use_enhanced_dma_hw) |
|
wil_init_txrx_ops_edma(wil); |
|
else |
|
wil_init_txrx_ops_legacy_dma(wil); |
|
}
|
|
|