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2312 lines
66 KiB
2312 lines
66 KiB
/* bnx2x_vfpf.c: QLogic Everest network driver. |
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* |
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* Copyright 2009-2013 Broadcom Corporation |
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* Copyright 2014 QLogic Corporation |
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* All rights reserved |
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* |
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* Unless you and QLogic execute a separate written software license |
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* agreement governing use of this software, this software is licensed to you |
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* under the terms of the GNU General Public License version 2, available |
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* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
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* |
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* Notwithstanding the above, under no circumstances may you combine this |
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* software in any way with any other QLogic software provided under a |
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* license other than the GPL, without QLogic's express prior written |
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* consent. |
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* |
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* Maintained by: Ariel Elior <[email protected]> |
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* Written by: Shmulik Ravid |
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* Ariel Elior <[email protected]> |
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*/ |
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|
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#include "bnx2x.h" |
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#include "bnx2x_cmn.h" |
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#include <linux/crc32.h> |
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static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx); |
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|
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/* place a given tlv on the tlv buffer at a given offset */ |
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static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, |
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u16 offset, u16 type, u16 length) |
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{ |
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struct channel_tlv *tl = |
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(struct channel_tlv *)(tlvs_list + offset); |
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|
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tl->type = type; |
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tl->length = length; |
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} |
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|
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/* Clear the mailbox and init the header of the first tlv */ |
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static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, |
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u16 type, u16 length) |
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{ |
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mutex_lock(&bp->vf2pf_mutex); |
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|
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DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", |
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type); |
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|
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/* Clear mailbox */ |
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memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); |
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|
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/* init type and length */ |
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bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); |
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|
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/* init first tlv header */ |
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first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); |
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} |
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|
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/* releases the mailbox */ |
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static void bnx2x_vfpf_finalize(struct bnx2x *bp, |
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struct vfpf_first_tlv *first_tlv) |
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{ |
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DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", |
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first_tlv->tl.type); |
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|
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mutex_unlock(&bp->vf2pf_mutex); |
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} |
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|
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/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */ |
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static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list, |
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enum channel_tlvs req_tlv) |
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{ |
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struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; |
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|
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do { |
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if (tlv->type == req_tlv) |
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return tlv; |
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|
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if (!tlv->length) { |
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BNX2X_ERR("Found TLV with length 0\n"); |
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return NULL; |
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} |
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tlvs_list += tlv->length; |
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tlv = (struct channel_tlv *)tlvs_list; |
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} while (tlv->type != CHANNEL_TLV_LIST_END); |
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DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv); |
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return NULL; |
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} |
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/* list the types and lengths of the tlvs on the buffer */ |
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static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) |
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{ |
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int i = 1; |
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struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; |
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while (tlv->type != CHANNEL_TLV_LIST_END) { |
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/* output tlv */ |
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DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, |
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tlv->type, tlv->length); |
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|
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/* advance to next tlv */ |
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tlvs_list += tlv->length; |
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|
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/* cast general tlv list pointer to channel tlv header*/ |
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tlv = (struct channel_tlv *)tlvs_list; |
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i++; |
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|
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/* break condition for this loop */ |
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if (i > MAX_TLVS_IN_LIST) { |
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WARN(true, "corrupt tlvs"); |
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return; |
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} |
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} |
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|
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/* output last tlv */ |
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DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, |
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tlv->type, tlv->length); |
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} |
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|
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/* test whether we support a tlv type */ |
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bool bnx2x_tlv_supported(u16 tlvtype) |
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{ |
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return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; |
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} |
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|
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static inline int bnx2x_pfvf_status_codes(int rc) |
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{ |
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switch (rc) { |
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case 0: |
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return PFVF_STATUS_SUCCESS; |
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case -ENOMEM: |
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return PFVF_STATUS_NO_RESOURCE; |
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default: |
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return PFVF_STATUS_FAILURE; |
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} |
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} |
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|
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static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) |
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{ |
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struct cstorm_vf_zone_data __iomem *zone_data = |
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REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); |
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int tout = 100, interval = 100; /* wait for 10 seconds */ |
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|
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if (*done) { |
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BNX2X_ERR("done was non zero before message to pf was sent\n"); |
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WARN_ON(true); |
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return -EINVAL; |
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} |
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|
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/* if PF indicated channel is down avoid sending message. Return success |
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* so calling flow can continue |
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*/ |
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bnx2x_sample_bulletin(bp); |
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if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { |
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DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n"); |
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*done = PFVF_STATUS_SUCCESS; |
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return -EINVAL; |
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} |
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/* Write message address */ |
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writel(U64_LO(msg_mapping), |
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&zone_data->non_trigger.vf_pf_channel.msg_addr_lo); |
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writel(U64_HI(msg_mapping), |
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&zone_data->non_trigger.vf_pf_channel.msg_addr_hi); |
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|
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/* make sure the address is written before FW accesses it */ |
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wmb(); |
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|
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/* Trigger the PF FW */ |
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writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid); |
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|
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/* Wait for PF to complete */ |
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while ((tout >= 0) && (!*done)) { |
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msleep(interval); |
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tout -= 1; |
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|
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/* progress indicator - HV can take its own sweet time in |
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* answering VFs... |
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*/ |
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DP_CONT(BNX2X_MSG_IOV, "."); |
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} |
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|
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if (!*done) { |
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BNX2X_ERR("PF response has timed out\n"); |
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return -EAGAIN; |
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} |
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DP(BNX2X_MSG_SP, "Got a response from PF\n"); |
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return 0; |
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} |
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|
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static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) |
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{ |
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u32 me_reg; |
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int tout = 10, interval = 100; /* Wait for 1 sec */ |
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do { |
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/* pxp traps vf read of doorbells and returns me reg value */ |
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me_reg = readl(bp->doorbells); |
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if (GOOD_ME_REG(me_reg)) |
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break; |
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msleep(interval); |
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BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", |
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me_reg); |
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} while (tout-- > 0); |
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|
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if (!GOOD_ME_REG(me_reg)) { |
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BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); |
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return -EINVAL; |
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} |
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DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); |
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*vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; |
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|
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return 0; |
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} |
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|
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int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) |
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{ |
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int rc = 0, attempts = 0; |
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struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; |
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struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; |
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struct vfpf_port_phys_id_resp_tlv *phys_port_resp; |
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struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp; |
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u32 vf_id; |
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bool resources_acquired = false; |
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|
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/* clear mailbox and prep first tlv */ |
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bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); |
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|
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if (bnx2x_get_vf_id(bp, &vf_id)) { |
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rc = -EAGAIN; |
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goto out; |
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} |
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req->vfdev_info.vf_id = vf_id; |
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req->vfdev_info.vf_os = 0; |
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req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION; |
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|
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req->resc_request.num_rxqs = rx_count; |
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req->resc_request.num_txqs = tx_count; |
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req->resc_request.num_sbs = bp->igu_sb_cnt; |
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req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; |
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req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; |
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req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS; |
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|
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/* pf 2 vf bulletin board address */ |
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req->bulletin_addr = bp->pf2vf_bulletin_mapping; |
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|
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/* Request physical port identifier */ |
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bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, |
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CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); |
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|
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/* Bulletin support for bulletin board with length > legacy length */ |
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req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN; |
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/* vlan filtering is supported */ |
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req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER; |
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|
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/* add list termination tlv */ |
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bnx2x_add_tlv(bp, req, |
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req->first_tlv.tl.length + sizeof(struct channel_tlv), |
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CHANNEL_TLV_LIST_END, |
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sizeof(struct channel_list_end_tlv)); |
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|
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/* output tlvs list */ |
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bnx2x_dp_tlv_list(bp, req); |
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|
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while (!resources_acquired) { |
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DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); |
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|
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/* send acquire request */ |
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rc = bnx2x_send_msg2pf(bp, |
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&resp->hdr.status, |
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bp->vf2pf_mbox_mapping); |
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|
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/* PF timeout */ |
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if (rc) |
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goto out; |
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|
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/* copy acquire response from buffer to bp */ |
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memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); |
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attempts++; |
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|
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/* test whether the PF accepted our request. If not, humble |
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* the request and try again. |
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*/ |
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if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { |
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DP(BNX2X_MSG_SP, "resources acquired\n"); |
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resources_acquired = true; |
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} else if (bp->acquire_resp.hdr.status == |
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PFVF_STATUS_NO_RESOURCE && |
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attempts < VF_ACQUIRE_THRESH) { |
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DP(BNX2X_MSG_SP, |
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"PF unwilling to fulfill resource request. Try PF recommended amount\n"); |
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|
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/* humble our request */ |
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req->resc_request.num_txqs = |
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min(req->resc_request.num_txqs, |
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bp->acquire_resp.resc.num_txqs); |
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req->resc_request.num_rxqs = |
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min(req->resc_request.num_rxqs, |
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bp->acquire_resp.resc.num_rxqs); |
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req->resc_request.num_sbs = |
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min(req->resc_request.num_sbs, |
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bp->acquire_resp.resc.num_sbs); |
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req->resc_request.num_mac_filters = |
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min(req->resc_request.num_mac_filters, |
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bp->acquire_resp.resc.num_mac_filters); |
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req->resc_request.num_vlan_filters = |
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min(req->resc_request.num_vlan_filters, |
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bp->acquire_resp.resc.num_vlan_filters); |
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req->resc_request.num_mc_filters = |
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min(req->resc_request.num_mc_filters, |
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bp->acquire_resp.resc.num_mc_filters); |
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|
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/* Clear response buffer */ |
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memset(&bp->vf2pf_mbox->resp, 0, |
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sizeof(union pfvf_tlvs)); |
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} else { |
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/* Determine reason of PF failure of acquire process */ |
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fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, |
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CHANNEL_TLV_FP_HSI_SUPPORT); |
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if (fp_hsi_resp && !fp_hsi_resp->is_supported) |
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BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n"); |
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else |
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BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", |
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bp->acquire_resp.hdr.status); |
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rc = -EAGAIN; |
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goto out; |
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} |
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} |
|
|
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/* Retrieve physical port id (if possible) */ |
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phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) |
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bnx2x_search_tlv_list(bp, resp, |
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CHANNEL_TLV_PHYS_PORT_ID); |
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if (phys_port_resp) { |
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memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); |
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bp->flags |= HAS_PHYS_PORT_ID; |
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} |
|
|
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/* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV. |
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* If that's the case, we need to make certain required FW was |
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* supported by such a hypervisor [i.e., v0-v2]. |
|
*/ |
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fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, |
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CHANNEL_TLV_FP_HSI_SUPPORT); |
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if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) { |
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BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n"); |
|
|
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/* Since acquire succeeded on the PF side, we need to send a |
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* release message in order to allow future probes. |
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*/ |
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bnx2x_vfpf_finalize(bp, &req->first_tlv); |
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bnx2x_vfpf_release(bp); |
|
|
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rc = -EINVAL; |
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goto out; |
|
} |
|
|
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/* get HW info */ |
|
bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); |
|
bp->link_params.chip_id = bp->common.chip_id; |
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bp->db_size = bp->acquire_resp.pfdev_info.db_size; |
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bp->common.int_block = INT_BLOCK_IGU; |
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bp->common.chip_port_mode = CHIP_2_PORT_MODE; |
|
bp->igu_dsb_id = -1; |
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bp->mf_ov = 0; |
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bp->mf_mode = 0; |
|
bp->common.flash_size = 0; |
|
bp->flags |= |
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NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; |
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bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; |
|
bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; |
|
bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters; |
|
|
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strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, |
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sizeof(bp->fw_ver)); |
|
|
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if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) |
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memcpy(bp->dev->dev_addr, |
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bp->acquire_resp.resc.current_mac_addr, |
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ETH_ALEN); |
|
|
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out: |
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bnx2x_vfpf_finalize(bp, &req->first_tlv); |
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return rc; |
|
} |
|
|
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int bnx2x_vfpf_release(struct bnx2x *bp) |
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{ |
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struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; |
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struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
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u32 rc, vf_id; |
|
|
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/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); |
|
|
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if (bnx2x_get_vf_id(bp, &vf_id)) { |
|
rc = -EAGAIN; |
|
goto out; |
|
} |
|
|
|
req->vf_id = vf_id; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
/* send release request */ |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
|
|
if (rc) |
|
/* PF timeout */ |
|
goto out; |
|
|
|
if (resp->hdr.status == PFVF_STATUS_SUCCESS) { |
|
/* PF released us */ |
|
DP(BNX2X_MSG_SP, "vf released\n"); |
|
} else { |
|
/* PF reports error */ |
|
BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", |
|
resp->hdr.status); |
|
rc = -EAGAIN; |
|
goto out; |
|
} |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* Tell PF about SB addresses */ |
|
int bnx2x_vfpf_init(struct bnx2x *bp) |
|
{ |
|
struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int rc, i; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); |
|
|
|
/* status blocks */ |
|
for_each_eth_queue(bp, i) |
|
req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, |
|
status_blk_mapping); |
|
|
|
/* statistics - requests only supports single queue for now */ |
|
req->stats_addr = bp->fw_stats_data_mapping + |
|
offsetof(struct bnx2x_fw_stats_data, queue_stats); |
|
|
|
req->stats_stride = sizeof(struct per_queue_stats); |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) |
|
goto out; |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("INIT VF failed: %d. Breaking...\n", |
|
resp->hdr.status); |
|
rc = -EAGAIN; |
|
goto out; |
|
} |
|
|
|
DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* CLOSE VF - opposite to INIT_VF */ |
|
void bnx2x_vfpf_close_vf(struct bnx2x *bp) |
|
{ |
|
struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int i, rc; |
|
u32 vf_id; |
|
|
|
/* If we haven't got a valid VF id, there is no sense to |
|
* continue with sending messages |
|
*/ |
|
if (bnx2x_get_vf_id(bp, &vf_id)) |
|
goto free_irq; |
|
|
|
/* Close the queues */ |
|
for_each_queue(bp, i) |
|
bnx2x_vfpf_teardown_queue(bp, i); |
|
|
|
/* remove mac */ |
|
bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); |
|
|
|
req->vf_id = vf_id; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
|
|
if (rc) |
|
BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); |
|
|
|
else if (resp->hdr.status != PFVF_STATUS_SUCCESS) |
|
BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", |
|
resp->hdr.status); |
|
|
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
free_irq: |
|
/* Disable HW interrupts, NAPI */ |
|
bnx2x_netif_stop(bp, 0); |
|
/* Delete all NAPI objects */ |
|
bnx2x_del_all_napi(bp); |
|
|
|
/* Release IRQs */ |
|
bnx2x_free_irq(bp); |
|
} |
|
|
|
static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_queue *q) |
|
{ |
|
u8 cl_id = vfq_cl_id(vf, q); |
|
u8 func_id = FW_VF_HANDLE(vf->abs_vfid); |
|
|
|
/* mac */ |
|
bnx2x_init_mac_obj(bp, &q->mac_obj, |
|
cl_id, q->cid, func_id, |
|
bnx2x_vf_sp(bp, vf, mac_rdata), |
|
bnx2x_vf_sp_map(bp, vf, mac_rdata), |
|
BNX2X_FILTER_MAC_PENDING, |
|
&vf->filter_state, |
|
BNX2X_OBJ_TYPE_RX_TX, |
|
&vf->vf_macs_pool); |
|
/* vlan */ |
|
bnx2x_init_vlan_obj(bp, &q->vlan_obj, |
|
cl_id, q->cid, func_id, |
|
bnx2x_vf_sp(bp, vf, vlan_rdata), |
|
bnx2x_vf_sp_map(bp, vf, vlan_rdata), |
|
BNX2X_FILTER_VLAN_PENDING, |
|
&vf->filter_state, |
|
BNX2X_OBJ_TYPE_RX_TX, |
|
&vf->vf_vlans_pool); |
|
/* vlan-mac */ |
|
bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj, |
|
cl_id, q->cid, func_id, |
|
bnx2x_vf_sp(bp, vf, vlan_mac_rdata), |
|
bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata), |
|
BNX2X_FILTER_VLAN_MAC_PENDING, |
|
&vf->filter_state, |
|
BNX2X_OBJ_TYPE_RX_TX, |
|
&vf->vf_macs_pool, |
|
&vf->vf_vlans_pool); |
|
/* mcast */ |
|
bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, |
|
q->cid, func_id, func_id, |
|
bnx2x_vf_sp(bp, vf, mcast_rdata), |
|
bnx2x_vf_sp_map(bp, vf, mcast_rdata), |
|
BNX2X_FILTER_MCAST_PENDING, |
|
&vf->filter_state, |
|
BNX2X_OBJ_TYPE_RX_TX); |
|
|
|
/* rss */ |
|
bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, |
|
func_id, func_id, |
|
bnx2x_vf_sp(bp, vf, rss_rdata), |
|
bnx2x_vf_sp_map(bp, vf, rss_rdata), |
|
BNX2X_FILTER_RSS_CONF_PENDING, |
|
&vf->filter_state, |
|
BNX2X_OBJ_TYPE_RX_TX); |
|
|
|
vf->leading_rss = cl_id; |
|
q->is_leading = true; |
|
q->sp_initialized = true; |
|
} |
|
|
|
/* ask the pf to open a queue for the vf */ |
|
int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
|
bool is_leading) |
|
{ |
|
struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
u8 fp_idx = fp->index; |
|
u16 tpa_agg_size = 0, flags = 0; |
|
int rc; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); |
|
|
|
/* select tpa mode to request */ |
|
if (fp->mode != TPA_MODE_DISABLED) { |
|
flags |= VFPF_QUEUE_FLG_TPA; |
|
flags |= VFPF_QUEUE_FLG_TPA_IPV6; |
|
if (fp->mode == TPA_MODE_GRO) |
|
flags |= VFPF_QUEUE_FLG_TPA_GRO; |
|
tpa_agg_size = TPA_AGG_SIZE; |
|
} |
|
|
|
if (is_leading) |
|
flags |= VFPF_QUEUE_FLG_LEADING_RSS; |
|
|
|
/* calculate queue flags */ |
|
flags |= VFPF_QUEUE_FLG_STATS; |
|
flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; |
|
flags |= VFPF_QUEUE_FLG_VLAN; |
|
|
|
/* Common */ |
|
req->vf_qid = fp_idx; |
|
req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; |
|
|
|
/* Rx */ |
|
req->rxq.rcq_addr = fp->rx_comp_mapping; |
|
req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; |
|
req->rxq.rxq_addr = fp->rx_desc_mapping; |
|
req->rxq.sge_addr = fp->rx_sge_mapping; |
|
req->rxq.vf_sb = fp_idx; |
|
req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; |
|
req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; |
|
req->rxq.mtu = bp->dev->mtu; |
|
req->rxq.buf_sz = fp->rx_buf_size; |
|
req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; |
|
req->rxq.tpa_agg_sz = tpa_agg_size; |
|
req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; |
|
req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & |
|
(~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; |
|
req->rxq.flags = flags; |
|
req->rxq.drop_flags = 0; |
|
req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; |
|
req->rxq.stat_id = -1; /* No stats at the moment */ |
|
|
|
/* Tx */ |
|
req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; |
|
req->txq.vf_sb = fp_idx; |
|
req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; |
|
req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; |
|
req->txq.flags = flags; |
|
req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) |
|
BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", |
|
fp_idx); |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", |
|
fp_idx, resp->hdr.status); |
|
rc = -EINVAL; |
|
} |
|
|
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) |
|
{ |
|
struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int rc; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, |
|
sizeof(*req)); |
|
|
|
req->vf_qid = qidx; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
|
|
if (rc) { |
|
BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, |
|
rc); |
|
goto out; |
|
} |
|
|
|
/* PF failed the transaction */ |
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, |
|
resp->hdr.status); |
|
rc = -EINVAL; |
|
} |
|
|
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* request pf to add a mac for the vf */ |
|
int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) |
|
{ |
|
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; |
|
int rc = 0; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
|
sizeof(*req)); |
|
|
|
req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; |
|
req->vf_qid = vf_qid; |
|
req->n_mac_vlan_filters = 1; |
|
|
|
req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; |
|
if (set) |
|
req->filters[0].flags |= VFPF_Q_FILTER_SET; |
|
|
|
/* sample bulletin board for new mac */ |
|
bnx2x_sample_bulletin(bp); |
|
|
|
/* copy mac from device to request */ |
|
memcpy(req->filters[0].mac, addr, ETH_ALEN); |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
/* send message to pf */ |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) { |
|
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); |
|
goto out; |
|
} |
|
|
|
/* failure may mean PF was configured with a new mac for us */ |
|
while (resp->hdr.status == PFVF_STATUS_FAILURE) { |
|
DP(BNX2X_MSG_IOV, |
|
"vfpf SET MAC failed. Check bulletin board for new posts\n"); |
|
|
|
/* copy mac from bulletin to device */ |
|
memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); |
|
|
|
/* check if bulletin board was updated */ |
|
if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { |
|
/* copy mac from device to request */ |
|
memcpy(req->filters[0].mac, bp->dev->dev_addr, |
|
ETH_ALEN); |
|
|
|
/* send message to pf */ |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, |
|
bp->vf2pf_mbox_mapping); |
|
} else { |
|
/* no new info in bulletin */ |
|
break; |
|
} |
|
} |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); |
|
rc = -EINVAL; |
|
} |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* request pf to config rss table for vf queues*/ |
|
int bnx2x_vfpf_config_rss(struct bnx2x *bp, |
|
struct bnx2x_config_rss_params *params) |
|
{ |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; |
|
int rc = 0; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, |
|
sizeof(*req)); |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); |
|
memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); |
|
req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; |
|
req->rss_key_size = T_ETH_RSS_KEY; |
|
req->rss_result_mask = params->rss_result_mask; |
|
|
|
/* flags handled individually for backward/forward compatibility */ |
|
if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) |
|
req->rss_flags |= VFPF_RSS_MODE_DISABLED; |
|
if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) |
|
req->rss_flags |= VFPF_RSS_MODE_REGULAR; |
|
if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) |
|
req->rss_flags |= VFPF_RSS_SET_SRCH; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) |
|
req->rss_flags |= VFPF_RSS_IPV4; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) |
|
req->rss_flags |= VFPF_RSS_IPV4_TCP; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) |
|
req->rss_flags |= VFPF_RSS_IPV4_UDP; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) |
|
req->rss_flags |= VFPF_RSS_IPV6; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) |
|
req->rss_flags |= VFPF_RSS_IPV6_TCP; |
|
if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) |
|
req->rss_flags |= VFPF_RSS_IPV6_UDP; |
|
|
|
DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
/* send message to pf */ |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) { |
|
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); |
|
goto out; |
|
} |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
/* Since older drivers don't support this feature (and VF has |
|
* no way of knowing other than failing this), don't propagate |
|
* an error in this case. |
|
*/ |
|
DP(BNX2X_MSG_IOV, |
|
"Failed to send rss message to PF over VF-PF channel [%d]\n", |
|
resp->hdr.status); |
|
} |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
int bnx2x_vfpf_set_mcast(struct net_device *dev) |
|
{ |
|
struct bnx2x *bp = netdev_priv(dev); |
|
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int rc = 0, i = 0; |
|
struct netdev_hw_addr *ha; |
|
|
|
if (bp->state != BNX2X_STATE_OPEN) { |
|
DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); |
|
return -EINVAL; |
|
} |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
|
sizeof(*req)); |
|
|
|
/* Get Rx mode requested */ |
|
DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); |
|
|
|
/* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ |
|
if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { |
|
DP(NETIF_MSG_IFUP, |
|
"VF supports not more than %d multicast MAC addresses\n", |
|
PFVF_MAX_MULTICAST_PER_VF); |
|
rc = -EINVAL; |
|
goto out; |
|
} |
|
|
|
netdev_for_each_mc_addr(ha, dev) { |
|
DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", |
|
bnx2x_mc_addr(ha)); |
|
memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); |
|
i++; |
|
} |
|
|
|
req->n_multicast = i; |
|
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; |
|
req->vf_qid = 0; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) { |
|
BNX2X_ERR("Sending a message failed: %d\n", rc); |
|
goto out; |
|
} |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("Set Rx mode/multicast failed: %d\n", |
|
resp->hdr.status); |
|
rc = -EINVAL; |
|
} |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* request pf to add a vlan for the vf */ |
|
int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) |
|
{ |
|
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int rc = 0; |
|
|
|
if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { |
|
DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); |
|
return 0; |
|
} |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
|
sizeof(*req)); |
|
|
|
req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; |
|
req->vf_qid = vf_qid; |
|
req->n_mac_vlan_filters = 1; |
|
|
|
req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; |
|
|
|
if (add) |
|
req->filters[0].flags |= VFPF_Q_FILTER_SET; |
|
|
|
/* sample bulletin board for hypervisor vlan */ |
|
bnx2x_sample_bulletin(bp); |
|
|
|
if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { |
|
BNX2X_ERR("Hypervisor will decline the request, avoiding\n"); |
|
rc = -EINVAL; |
|
goto out; |
|
} |
|
|
|
req->filters[0].vlan_tag = vid; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
/* send message to pf */ |
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) { |
|
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); |
|
goto out; |
|
} |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", |
|
vid); |
|
rc = -EINVAL; |
|
} |
|
out: |
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) |
|
{ |
|
int mode = bp->rx_mode; |
|
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
|
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
|
int rc; |
|
|
|
/* clear mailbox and prep first tlv */ |
|
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
|
sizeof(*req)); |
|
|
|
DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); |
|
|
|
/* Ignore everything accept MODE_NONE */ |
|
if (mode == BNX2X_RX_MODE_NONE) { |
|
req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; |
|
} else { |
|
/* Current PF driver will not look at the specific flags, |
|
* but they are required when working with older drivers on hv. |
|
*/ |
|
req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; |
|
req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; |
|
req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; |
|
if (mode == BNX2X_RX_MODE_PROMISC) |
|
req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; |
|
} |
|
|
|
if (bp->accept_any_vlan) |
|
req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; |
|
|
|
req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; |
|
req->vf_qid = 0; |
|
|
|
/* add list termination tlv */ |
|
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* output tlvs list */ |
|
bnx2x_dp_tlv_list(bp, req); |
|
|
|
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
|
if (rc) |
|
BNX2X_ERR("Sending a message failed: %d\n", rc); |
|
|
|
if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
|
BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); |
|
rc = -EINVAL; |
|
} |
|
|
|
bnx2x_vfpf_finalize(bp, &req->first_tlv); |
|
|
|
return rc; |
|
} |
|
|
|
/* General service functions */ |
|
static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) |
|
{ |
|
u32 addr = BAR_CSTRORM_INTMEM + |
|
CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); |
|
|
|
REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); |
|
} |
|
|
|
static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) |
|
{ |
|
u32 addr = BAR_CSTRORM_INTMEM + |
|
CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); |
|
|
|
REG_WR8(bp, addr, 1); |
|
} |
|
|
|
/* enable vf_pf mailbox (aka vf-pf-channel) */ |
|
void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) |
|
{ |
|
bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); |
|
|
|
/* enable the mailbox in the FW */ |
|
storm_memset_vf_mbx_ack(bp, abs_vfid); |
|
storm_memset_vf_mbx_valid(bp, abs_vfid); |
|
|
|
/* enable the VF access to the mailbox */ |
|
bnx2x_vf_enable_access(bp, abs_vfid); |
|
} |
|
|
|
/* this works only on !E1h */ |
|
static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, |
|
dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, |
|
u32 vf_addr_lo, u32 len32) |
|
{ |
|
struct dmae_command dmae; |
|
|
|
if (CHIP_IS_E1x(bp)) { |
|
BNX2X_ERR("Chip revision does not support VFs\n"); |
|
return DMAE_NOT_RDY; |
|
} |
|
|
|
if (!bp->dmae_ready) { |
|
BNX2X_ERR("DMAE is not ready, can not copy\n"); |
|
return DMAE_NOT_RDY; |
|
} |
|
|
|
/* set opcode and fixed command fields */ |
|
bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); |
|
|
|
if (from_vf) { |
|
dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | |
|
(DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | |
|
(DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); |
|
|
|
dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); |
|
|
|
dmae.src_addr_lo = vf_addr_lo; |
|
dmae.src_addr_hi = vf_addr_hi; |
|
dmae.dst_addr_lo = U64_LO(pf_addr); |
|
dmae.dst_addr_hi = U64_HI(pf_addr); |
|
} else { |
|
dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | |
|
(DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | |
|
(DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); |
|
|
|
dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); |
|
|
|
dmae.src_addr_lo = U64_LO(pf_addr); |
|
dmae.src_addr_hi = U64_HI(pf_addr); |
|
dmae.dst_addr_lo = vf_addr_lo; |
|
dmae.dst_addr_hi = vf_addr_hi; |
|
} |
|
dmae.len = len32; |
|
|
|
/* issue the command and wait for completion */ |
|
return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); |
|
} |
|
|
|
static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf) |
|
{ |
|
struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); |
|
u16 length, type; |
|
|
|
/* prepare response */ |
|
type = mbx->first_tlv.tl.type; |
|
length = type == CHANNEL_TLV_ACQUIRE ? |
|
sizeof(struct pfvf_acquire_resp_tlv) : |
|
sizeof(struct pfvf_general_resp_tlv); |
|
bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); |
|
bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
} |
|
|
|
static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
int vf_rc) |
|
{ |
|
struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); |
|
struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; |
|
dma_addr_t pf_addr; |
|
u64 vf_addr; |
|
int rc; |
|
|
|
bnx2x_dp_tlv_list(bp, resp); |
|
DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", |
|
mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); |
|
|
|
resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); |
|
|
|
/* send response */ |
|
vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + |
|
mbx->first_tlv.resp_msg_offset; |
|
pf_addr = mbx->msg_mapping + |
|
offsetof(struct bnx2x_vf_mbx_msg, resp); |
|
|
|
/* Copy the response buffer. The first u64 is written afterwards, as |
|
* the vf is sensitive to the header being written |
|
*/ |
|
vf_addr += sizeof(u64); |
|
pf_addr += sizeof(u64); |
|
rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, |
|
U64_HI(vf_addr), |
|
U64_LO(vf_addr), |
|
(sizeof(union pfvf_tlvs) - sizeof(u64))/4); |
|
if (rc) { |
|
BNX2X_ERR("Failed to copy response body to VF %d\n", |
|
vf->abs_vfid); |
|
goto mbx_error; |
|
} |
|
vf_addr -= sizeof(u64); |
|
pf_addr -= sizeof(u64); |
|
|
|
/* ack the FW */ |
|
storm_memset_vf_mbx_ack(bp, vf->abs_vfid); |
|
|
|
/* copy the response header including status-done field, |
|
* must be last dmae, must be after FW is acked |
|
*/ |
|
rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, |
|
U64_HI(vf_addr), |
|
U64_LO(vf_addr), |
|
sizeof(u64)/4); |
|
|
|
/* unlock channel mutex */ |
|
bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
|
|
|
if (rc) { |
|
BNX2X_ERR("Failed to copy response status to VF %d\n", |
|
vf->abs_vfid); |
|
goto mbx_error; |
|
} |
|
return; |
|
|
|
mbx_error: |
|
bnx2x_vf_release(bp, vf); |
|
} |
|
|
|
static void bnx2x_vf_mbx_resp(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
int rc) |
|
{ |
|
bnx2x_vf_mbx_resp_single_tlv(bp, vf); |
|
bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
void *buffer, |
|
u16 *offset) |
|
{ |
|
struct vfpf_port_phys_id_resp_tlv *port_id; |
|
|
|
if (!(bp->flags & HAS_PHYS_PORT_ID)) |
|
return; |
|
|
|
bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, |
|
sizeof(struct vfpf_port_phys_id_resp_tlv)); |
|
|
|
port_id = (struct vfpf_port_phys_id_resp_tlv *) |
|
(((u8 *)buffer) + *offset); |
|
memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); |
|
|
|
/* Offset should continue representing the offset to the tail |
|
* of TLV data (outside this function scope) |
|
*/ |
|
*offset += sizeof(struct vfpf_port_phys_id_resp_tlv); |
|
} |
|
|
|
static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
void *buffer, |
|
u16 *offset) |
|
{ |
|
struct vfpf_fp_hsi_resp_tlv *fp_hsi; |
|
|
|
bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT, |
|
sizeof(struct vfpf_fp_hsi_resp_tlv)); |
|
|
|
fp_hsi = (struct vfpf_fp_hsi_resp_tlv *) |
|
(((u8 *)buffer) + *offset); |
|
fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1; |
|
|
|
/* Offset should continue representing the offset to the tail |
|
* of TLV data (outside this function scope) |
|
*/ |
|
*offset += sizeof(struct vfpf_fp_hsi_resp_tlv); |
|
} |
|
|
|
static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx, int vfop_status) |
|
{ |
|
int i; |
|
struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; |
|
struct pf_vf_resc *resc = &resp->resc; |
|
u8 status = bnx2x_pfvf_status_codes(vfop_status); |
|
u16 length; |
|
|
|
memset(resp, 0, sizeof(*resp)); |
|
|
|
/* fill in pfdev info */ |
|
resp->pfdev_info.chip_num = bp->common.chip_id; |
|
resp->pfdev_info.db_size = bp->db_size; |
|
resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; |
|
resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | |
|
PFVF_CAP_TPA | |
|
PFVF_CAP_TPA_UPDATE | |
|
PFVF_CAP_VLAN_FILTER); |
|
bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, |
|
sizeof(resp->pfdev_info.fw_ver)); |
|
|
|
if (status == PFVF_STATUS_NO_RESOURCE || |
|
status == PFVF_STATUS_SUCCESS) { |
|
/* set resources numbers, if status equals NO_RESOURCE these |
|
* are max possible numbers |
|
*/ |
|
resc->num_rxqs = vf_rxq_count(vf) ? : |
|
bnx2x_vf_max_queue_cnt(bp, vf); |
|
resc->num_txqs = vf_txq_count(vf) ? : |
|
bnx2x_vf_max_queue_cnt(bp, vf); |
|
resc->num_sbs = vf_sb_count(vf); |
|
resc->num_mac_filters = vf_mac_rules_cnt(vf); |
|
resc->num_vlan_filters = vf_vlan_rules_cnt(vf); |
|
resc->num_mc_filters = 0; |
|
|
|
if (status == PFVF_STATUS_SUCCESS) { |
|
/* fill in the allocated resources */ |
|
struct pf_vf_bulletin_content *bulletin = |
|
BP_VF_BULLETIN(bp, vf->index); |
|
|
|
for_each_vfq(vf, i) |
|
resc->hw_qid[i] = |
|
vfq_qzone_id(vf, vfq_get(vf, i)); |
|
|
|
for_each_vf_sb(vf, i) { |
|
resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); |
|
resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); |
|
} |
|
|
|
/* if a mac has been set for this vf, supply it */ |
|
if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { |
|
memcpy(resc->current_mac_addr, bulletin->mac, |
|
ETH_ALEN); |
|
} |
|
} |
|
} |
|
|
|
DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n" |
|
"resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", |
|
vf->abs_vfid, |
|
resp->pfdev_info.chip_num, |
|
resp->pfdev_info.db_size, |
|
resp->pfdev_info.indices_per_sb, |
|
resp->pfdev_info.pf_cap, |
|
resc->num_rxqs, |
|
resc->num_txqs, |
|
resc->num_sbs, |
|
resc->num_mac_filters, |
|
resc->num_vlan_filters, |
|
resc->num_mc_filters, |
|
resp->pfdev_info.fw_ver); |
|
|
|
DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); |
|
for (i = 0; i < vf_rxq_count(vf); i++) |
|
DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); |
|
DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); |
|
for (i = 0; i < vf_sb_count(vf); i++) |
|
DP_CONT(BNX2X_MSG_IOV, "%d:%d ", |
|
resc->hw_sbs[i].hw_sb_id, |
|
resc->hw_sbs[i].sb_qid); |
|
DP_CONT(BNX2X_MSG_IOV, "]\n"); |
|
|
|
/* prepare response */ |
|
length = sizeof(struct pfvf_acquire_resp_tlv); |
|
bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); |
|
|
|
/* Handle possible VF requests for physical port identifiers. |
|
* 'length' should continue to indicate the offset of the first empty |
|
* place in the buffer (i.e., where next TLV should be inserted) |
|
*/ |
|
if (bnx2x_search_tlv_list(bp, &mbx->msg->req, |
|
CHANNEL_TLV_PHYS_PORT_ID)) |
|
bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); |
|
|
|
/* `New' vfs will want to know if fastpath HSI is supported, since |
|
* if that's not the case they could print into system log the fact |
|
* the driver version must be updated. |
|
*/ |
|
bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length); |
|
|
|
bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, |
|
sizeof(struct channel_list_end_tlv)); |
|
|
|
/* send the response */ |
|
bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); |
|
} |
|
|
|
static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp, |
|
struct vfpf_acquire_tlv *acquire) |
|
{ |
|
/* Windows driver does one of three things: |
|
* 1. Old driver doesn't have bulletin board address set. |
|
* 2. 'Middle' driver sends mc_num == 32. |
|
* 3. New driver sets the OS field. |
|
*/ |
|
if (!acquire->bulletin_addr || |
|
acquire->resc_request.num_mc_filters == 32 || |
|
((acquire->vfdev_info.vf_os & VF_OS_MASK) == |
|
VF_OS_WINDOWS)) |
|
return true; |
|
|
|
return false; |
|
} |
|
|
|
static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
/* Linux drivers which correctly set the doorbell size also |
|
* send a physical port request |
|
*/ |
|
if (bnx2x_search_tlv_list(bp, &mbx->msg->req, |
|
CHANNEL_TLV_PHYS_PORT_ID)) |
|
return 0; |
|
|
|
/* Issue does not exist in windows VMs */ |
|
if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) |
|
return 0; |
|
|
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
int rc; |
|
struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; |
|
|
|
/* log vfdef info */ |
|
DP(BNX2X_MSG_IOV, |
|
"VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n", |
|
vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, |
|
acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, |
|
acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, |
|
acquire->resc_request.num_vlan_filters, |
|
acquire->resc_request.num_mc_filters); |
|
|
|
/* Prevent VFs with old drivers from loading, since they calculate |
|
* CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover |
|
* while being upgraded. |
|
*/ |
|
rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx); |
|
if (rc) { |
|
DP(BNX2X_MSG_IOV, |
|
"VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n", |
|
vf->abs_vfid); |
|
goto out; |
|
} |
|
|
|
/* Verify the VF fastpath HSI can be supported by the loaded FW. |
|
* Linux vfs should be oblivious to changes between v0 and v2. |
|
*/ |
|
if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) |
|
vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver; |
|
else |
|
vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver, |
|
ETH_FP_HSI_VER_2); |
|
if (vf->fp_hsi > ETH_FP_HSI_VERSION) { |
|
DP(BNX2X_MSG_IOV, |
|
"VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n", |
|
vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver, |
|
ETH_FP_HSI_VERSION); |
|
rc = -EINVAL; |
|
goto out; |
|
} |
|
|
|
/* acquire the resources */ |
|
rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); |
|
|
|
/* store address of vf's bulletin board */ |
|
vf->bulletin_map = acquire->bulletin_addr; |
|
if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { |
|
DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", |
|
vf->abs_vfid); |
|
vf->cfg_flags |= VF_CFG_EXT_BULLETIN; |
|
} else { |
|
vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; |
|
} |
|
|
|
if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) { |
|
DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n", |
|
vf->abs_vfid); |
|
vf->cfg_flags |= VF_CFG_VLAN_FILTER; |
|
} else { |
|
vf->cfg_flags &= ~VF_CFG_VLAN_FILTER; |
|
} |
|
|
|
out: |
|
/* response */ |
|
bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
struct vfpf_init_tlv *init = &mbx->msg->req.init; |
|
int rc; |
|
|
|
/* record ghost addresses from vf message */ |
|
vf->fw_stat_map = init->stats_addr; |
|
vf->stats_stride = init->stats_stride; |
|
rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); |
|
|
|
/* set VF multiqueue statistics collection mode */ |
|
if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) |
|
vf->cfg_flags |= VF_CFG_STATS_COALESCE; |
|
|
|
/* Update VF's view of link state */ |
|
if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) |
|
bnx2x_iov_link_update_vf(bp, vf->index); |
|
|
|
/* response */ |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
/* convert MBX queue-flags to standard SP queue-flags */ |
|
static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, |
|
unsigned long *sp_q_flags) |
|
{ |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) |
|
__set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) |
|
__set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) |
|
__set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) |
|
__set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) |
|
__set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_COS) |
|
__set_bit(BNX2X_Q_FLG_COS, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_HC) |
|
__set_bit(BNX2X_Q_FLG_HC, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) |
|
__set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); |
|
if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) |
|
__set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); |
|
|
|
/* outer vlan removal is set according to PF's multi function mode */ |
|
if (IS_MF_SD(bp)) |
|
__set_bit(BNX2X_Q_FLG_OV, sp_q_flags); |
|
} |
|
|
|
static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; |
|
struct bnx2x_vf_queue_construct_params qctor; |
|
int rc = 0; |
|
|
|
/* verify vf_qid */ |
|
if (setup_q->vf_qid >= vf_rxq_count(vf)) { |
|
BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", |
|
setup_q->vf_qid, vf_rxq_count(vf)); |
|
rc = -EINVAL; |
|
goto response; |
|
} |
|
|
|
/* tx queues must be setup alongside rx queues thus if the rx queue |
|
* is not marked as valid there's nothing to do. |
|
*/ |
|
if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { |
|
struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); |
|
unsigned long q_type = 0; |
|
|
|
struct bnx2x_queue_init_params *init_p; |
|
struct bnx2x_queue_setup_params *setup_p; |
|
|
|
if (bnx2x_vfq_is_leading(q)) |
|
bnx2x_leading_vfq_init(bp, vf, q); |
|
|
|
/* re-init the VF operation context */ |
|
memset(&qctor, 0 , |
|
sizeof(struct bnx2x_vf_queue_construct_params)); |
|
setup_p = &qctor.prep_qsetup; |
|
init_p = &qctor.qstate.params.init; |
|
|
|
/* activate immediately */ |
|
__set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); |
|
|
|
if (setup_q->param_valid & VFPF_TXQ_VALID) { |
|
struct bnx2x_txq_setup_params *txq_params = |
|
&setup_p->txq_params; |
|
|
|
__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
|
|
|
/* save sb resource index */ |
|
q->sb_idx = setup_q->txq.vf_sb; |
|
|
|
/* tx init */ |
|
init_p->tx.hc_rate = setup_q->txq.hc_rate; |
|
init_p->tx.sb_cq_index = setup_q->txq.sb_index; |
|
|
|
bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, |
|
&init_p->tx.flags); |
|
|
|
/* tx setup - flags */ |
|
bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, |
|
&setup_p->flags); |
|
|
|
/* tx setup - general, nothing */ |
|
|
|
/* tx setup - tx */ |
|
txq_params->dscr_map = setup_q->txq.txq_addr; |
|
txq_params->sb_cq_index = setup_q->txq.sb_index; |
|
txq_params->traffic_type = setup_q->txq.traffic_type; |
|
|
|
bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, |
|
q->index, q->sb_idx); |
|
} |
|
|
|
if (setup_q->param_valid & VFPF_RXQ_VALID) { |
|
struct bnx2x_rxq_setup_params *rxq_params = |
|
&setup_p->rxq_params; |
|
|
|
__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
|
|
|
/* Note: there is no support for different SBs |
|
* for TX and RX |
|
*/ |
|
q->sb_idx = setup_q->rxq.vf_sb; |
|
|
|
/* rx init */ |
|
init_p->rx.hc_rate = setup_q->rxq.hc_rate; |
|
init_p->rx.sb_cq_index = setup_q->rxq.sb_index; |
|
bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, |
|
&init_p->rx.flags); |
|
|
|
/* rx setup - flags */ |
|
bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, |
|
&setup_p->flags); |
|
|
|
/* rx setup - general */ |
|
setup_p->gen_params.mtu = setup_q->rxq.mtu; |
|
|
|
/* rx setup - rx */ |
|
rxq_params->drop_flags = setup_q->rxq.drop_flags; |
|
rxq_params->dscr_map = setup_q->rxq.rxq_addr; |
|
rxq_params->sge_map = setup_q->rxq.sge_addr; |
|
rxq_params->rcq_map = setup_q->rxq.rcq_addr; |
|
rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; |
|
rxq_params->buf_sz = setup_q->rxq.buf_sz; |
|
rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; |
|
rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; |
|
rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; |
|
rxq_params->cache_line_log = |
|
setup_q->rxq.cache_line_log; |
|
rxq_params->sb_cq_index = setup_q->rxq.sb_index; |
|
|
|
/* rx setup - multicast engine */ |
|
if (bnx2x_vfq_is_leading(q)) { |
|
u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); |
|
|
|
rxq_params->mcast_engine_id = mcast_id; |
|
__set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); |
|
} |
|
|
|
bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, |
|
q->index, q->sb_idx); |
|
} |
|
/* complete the preparations */ |
|
bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); |
|
|
|
rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); |
|
if (rc) |
|
goto response; |
|
} |
|
response: |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
struct vfpf_set_q_filters_tlv *tlv, |
|
struct bnx2x_vf_mac_vlan_filters **pfl, |
|
u32 type_flag) |
|
{ |
|
int i, j; |
|
struct bnx2x_vf_mac_vlan_filters *fl = NULL; |
|
|
|
fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters), |
|
GFP_KERNEL); |
|
if (!fl) |
|
return -ENOMEM; |
|
|
|
for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { |
|
struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; |
|
|
|
if ((msg_filter->flags & type_flag) != type_flag) |
|
continue; |
|
memset(&fl->filters[j], 0, sizeof(fl->filters[j])); |
|
if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { |
|
fl->filters[j].mac = msg_filter->mac; |
|
fl->filters[j].type |= BNX2X_VF_FILTER_MAC; |
|
} |
|
if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { |
|
fl->filters[j].vid = msg_filter->vlan_tag; |
|
fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; |
|
} |
|
fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); |
|
fl->count++; |
|
j++; |
|
} |
|
if (!fl->count) |
|
kfree(fl); |
|
else |
|
*pfl = fl; |
|
|
|
return 0; |
|
} |
|
|
|
static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, |
|
u32 flags) |
|
{ |
|
int i, cnt = 0; |
|
|
|
for (i = 0; i < filters->n_mac_vlan_filters; i++) |
|
if ((filters->filters[i].flags & flags) == flags) |
|
cnt++; |
|
|
|
return cnt; |
|
} |
|
|
|
static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, |
|
struct vfpf_q_mac_vlan_filter *filter) |
|
{ |
|
DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); |
|
if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) |
|
DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); |
|
if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) |
|
DP_CONT(msglvl, ", MAC=%pM", filter->mac); |
|
DP_CONT(msglvl, "\n"); |
|
} |
|
|
|
static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, |
|
struct vfpf_set_q_filters_tlv *filters) |
|
{ |
|
int i; |
|
|
|
if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) |
|
for (i = 0; i < filters->n_mac_vlan_filters; i++) |
|
bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, |
|
&filters->filters[i]); |
|
|
|
if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) |
|
DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); |
|
|
|
if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) |
|
for (i = 0; i < filters->n_multicast; i++) |
|
DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); |
|
} |
|
|
|
#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID |
|
#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID |
|
#define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) |
|
|
|
static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) |
|
{ |
|
int rc = 0; |
|
|
|
struct vfpf_set_q_filters_tlv *msg = |
|
&BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; |
|
|
|
/* check for any mac/vlan changes */ |
|
if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { |
|
struct bnx2x_vf_mac_vlan_filters *fl = NULL; |
|
|
|
/* build vlan-mac list */ |
|
rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, |
|
VFPF_VLAN_MAC_FILTER); |
|
if (rc) |
|
goto op_err; |
|
|
|
if (fl) { |
|
|
|
/* set vlan-mac list */ |
|
rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, |
|
msg->vf_qid, |
|
false); |
|
if (rc) |
|
goto op_err; |
|
} |
|
|
|
/* build mac list */ |
|
fl = NULL; |
|
|
|
rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, |
|
VFPF_MAC_FILTER); |
|
if (rc) |
|
goto op_err; |
|
|
|
if (fl) { |
|
/* set mac list */ |
|
rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, |
|
msg->vf_qid, |
|
false); |
|
if (rc) |
|
goto op_err; |
|
} |
|
|
|
/* build vlan list */ |
|
fl = NULL; |
|
|
|
rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, |
|
VFPF_VLAN_FILTER); |
|
if (rc) |
|
goto op_err; |
|
|
|
if (fl) { |
|
/* set vlan list */ |
|
rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, |
|
msg->vf_qid, |
|
false); |
|
if (rc) |
|
goto op_err; |
|
} |
|
|
|
} |
|
|
|
if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { |
|
unsigned long accept = 0; |
|
struct pf_vf_bulletin_content *bulletin = |
|
BP_VF_BULLETIN(bp, vf->index); |
|
|
|
/* Ignore VF requested mode; instead set a regular mode */ |
|
if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { |
|
__set_bit(BNX2X_ACCEPT_UNICAST, &accept); |
|
__set_bit(BNX2X_ACCEPT_MULTICAST, &accept); |
|
__set_bit(BNX2X_ACCEPT_BROADCAST, &accept); |
|
} |
|
|
|
/* any_vlan is not configured if HV is forcing VLAN |
|
* any_vlan is configured if |
|
* 1. VF does not support vlan filtering |
|
* OR |
|
* 2. VF supports vlan filtering and explicitly requested it |
|
*/ |
|
if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && |
|
(!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || |
|
msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) |
|
__set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); |
|
|
|
/* set rx-mode */ |
|
rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); |
|
if (rc) |
|
goto op_err; |
|
} |
|
|
|
if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { |
|
/* set mcasts */ |
|
rc = bnx2x_vf_mcast(bp, vf, msg->multicast, |
|
msg->n_multicast, false); |
|
if (rc) |
|
goto op_err; |
|
} |
|
op_err: |
|
if (rc) |
|
BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", |
|
vf->abs_vfid, msg->vf_qid, rc); |
|
return rc; |
|
} |
|
|
|
static int bnx2x_filters_validate_mac(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
struct vfpf_set_q_filters_tlv *filters) |
|
{ |
|
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); |
|
int rc = 0; |
|
|
|
/* if a mac was already set for this VF via the set vf mac ndo, we only |
|
* accept mac configurations of that mac. Why accept them at all? |
|
* because PF may have been unable to configure the mac at the time |
|
* since queue was not set up. |
|
*/ |
|
if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { |
|
struct vfpf_q_mac_vlan_filter *filter = NULL; |
|
int i; |
|
|
|
for (i = 0; i < filters->n_mac_vlan_filters; i++) { |
|
if (!(filters->filters[i].flags & |
|
VFPF_Q_FILTER_DEST_MAC_VALID)) |
|
continue; |
|
|
|
/* once a mac was set by ndo can only accept |
|
* a single mac... |
|
*/ |
|
if (filter) { |
|
BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", |
|
vf->abs_vfid, |
|
filters->n_mac_vlan_filters); |
|
rc = -EPERM; |
|
goto response; |
|
} |
|
|
|
filter = &filters->filters[i]; |
|
} |
|
|
|
/* ...and only the mac set by the ndo */ |
|
if (filter && |
|
!ether_addr_equal(filter->mac, bulletin->mac)) { |
|
BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", |
|
vf->abs_vfid); |
|
|
|
rc = -EPERM; |
|
goto response; |
|
} |
|
} |
|
|
|
response: |
|
return rc; |
|
} |
|
|
|
static int bnx2x_filters_validate_vlan(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
struct vfpf_set_q_filters_tlv *filters) |
|
{ |
|
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); |
|
int rc = 0; |
|
|
|
/* if vlan was set by hypervisor we don't allow guest to config vlan */ |
|
if (bulletin->valid_bitmap & 1 << VLAN_VALID) { |
|
/* search for vlan filters */ |
|
|
|
if (bnx2x_vf_filters_contain(filters, |
|
VFPF_Q_FILTER_VLAN_TAG_VALID)) { |
|
BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", |
|
vf->abs_vfid); |
|
rc = -EPERM; |
|
goto response; |
|
} |
|
} |
|
|
|
/* verify vf_qid */ |
|
if (filters->vf_qid > vf_rxq_count(vf)) { |
|
rc = -EPERM; |
|
goto response; |
|
} |
|
|
|
response: |
|
return rc; |
|
} |
|
|
|
static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, |
|
struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; |
|
int rc; |
|
|
|
rc = bnx2x_filters_validate_mac(bp, vf, filters); |
|
if (rc) |
|
goto response; |
|
|
|
rc = bnx2x_filters_validate_vlan(bp, vf, filters); |
|
if (rc) |
|
goto response; |
|
|
|
DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", |
|
vf->abs_vfid, |
|
filters->vf_qid); |
|
|
|
/* print q_filter message */ |
|
bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); |
|
|
|
rc = bnx2x_vf_mbx_qfilters(bp, vf); |
|
response: |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
int qid = mbx->msg->req.q_op.vf_qid; |
|
int rc; |
|
|
|
DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", |
|
vf->abs_vfid, qid); |
|
|
|
rc = bnx2x_vf_queue_teardown(bp, vf, qid); |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
int rc; |
|
|
|
DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); |
|
|
|
rc = bnx2x_vf_close(bp, vf); |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
int rc; |
|
|
|
DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); |
|
|
|
rc = bnx2x_vf_free(bp, vf); |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
struct bnx2x_config_rss_params rss; |
|
struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; |
|
int rc = 0; |
|
|
|
if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || |
|
rss_tlv->rss_key_size != T_ETH_RSS_KEY) { |
|
BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", |
|
vf->index); |
|
rc = -EINVAL; |
|
goto mbx_resp; |
|
} |
|
|
|
memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); |
|
|
|
/* set vfop params according to rss tlv */ |
|
memcpy(rss.ind_table, rss_tlv->ind_table, |
|
T_ETH_INDIRECTION_TABLE_SIZE); |
|
memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); |
|
rss.rss_obj = &vf->rss_conf_obj; |
|
rss.rss_result_mask = rss_tlv->rss_result_mask; |
|
|
|
/* flags handled individually for backward/forward compatibility */ |
|
rss.rss_flags = 0; |
|
rss.ramrod_flags = 0; |
|
|
|
if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) |
|
__set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) |
|
__set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) |
|
__set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV4) |
|
__set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) |
|
__set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) |
|
__set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV6) |
|
__set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) |
|
__set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); |
|
if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) |
|
__set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); |
|
|
|
if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && |
|
rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || |
|
(!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && |
|
rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { |
|
BNX2X_ERR("about to hit a FW assert. aborting...\n"); |
|
rc = -EINVAL; |
|
goto mbx_resp; |
|
} |
|
|
|
rc = bnx2x_vf_rss_update(bp, vf, &rss); |
|
mbx_resp: |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
static int bnx2x_validate_tpa_params(struct bnx2x *bp, |
|
struct vfpf_tpa_tlv *tpa_tlv) |
|
{ |
|
int rc = 0; |
|
|
|
if (tpa_tlv->tpa_client_info.max_sges_for_packet > |
|
U_ETH_MAX_SGES_FOR_PACKET) { |
|
rc = -EINVAL; |
|
BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", |
|
tpa_tlv->tpa_client_info.max_sges_for_packet, |
|
U_ETH_MAX_SGES_FOR_PACKET); |
|
} |
|
|
|
if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { |
|
rc = -EINVAL; |
|
BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", |
|
tpa_tlv->tpa_client_info.max_tpa_queues, |
|
MAX_AGG_QS(bp)); |
|
} |
|
|
|
return rc; |
|
} |
|
|
|
static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
struct bnx2x_queue_update_tpa_params vf_op_params; |
|
struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; |
|
int rc = 0; |
|
|
|
memset(&vf_op_params, 0, sizeof(vf_op_params)); |
|
|
|
if (bnx2x_validate_tpa_params(bp, tpa_tlv)) |
|
goto mbx_resp; |
|
|
|
vf_op_params.complete_on_both_clients = |
|
tpa_tlv->tpa_client_info.complete_on_both_clients; |
|
vf_op_params.dont_verify_thr = |
|
tpa_tlv->tpa_client_info.dont_verify_thr; |
|
vf_op_params.max_agg_sz = |
|
tpa_tlv->tpa_client_info.max_agg_size; |
|
vf_op_params.max_sges_pkt = |
|
tpa_tlv->tpa_client_info.max_sges_for_packet; |
|
vf_op_params.max_tpa_queues = |
|
tpa_tlv->tpa_client_info.max_tpa_queues; |
|
vf_op_params.sge_buff_sz = |
|
tpa_tlv->tpa_client_info.sge_buff_size; |
|
vf_op_params.sge_pause_thr_high = |
|
tpa_tlv->tpa_client_info.sge_pause_thr_high; |
|
vf_op_params.sge_pause_thr_low = |
|
tpa_tlv->tpa_client_info.sge_pause_thr_low; |
|
vf_op_params.tpa_mode = |
|
tpa_tlv->tpa_client_info.tpa_mode; |
|
vf_op_params.update_ipv4 = |
|
tpa_tlv->tpa_client_info.update_ipv4; |
|
vf_op_params.update_ipv6 = |
|
tpa_tlv->tpa_client_info.update_ipv6; |
|
|
|
rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); |
|
|
|
mbx_resp: |
|
bnx2x_vf_mbx_resp(bp, vf, rc); |
|
} |
|
|
|
/* dispatch request */ |
|
static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, |
|
struct bnx2x_vf_mbx *mbx) |
|
{ |
|
int i; |
|
|
|
if (vf->state == VF_LOST) { |
|
/* Just ack the FW and return if VFs are lost |
|
* in case of parity error. VFs are supposed to be timedout |
|
* on waiting for PF response. |
|
*/ |
|
DP(BNX2X_MSG_IOV, |
|
"VF 0x%x lost, not handling the request\n", vf->abs_vfid); |
|
|
|
storm_memset_vf_mbx_ack(bp, vf->abs_vfid); |
|
return; |
|
} |
|
|
|
/* check if tlv type is known */ |
|
if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { |
|
/* Lock the per vf op mutex and note the locker's identity. |
|
* The unlock will take place in mbx response. |
|
*/ |
|
bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
|
|
|
/* switch on the opcode */ |
|
switch (mbx->first_tlv.tl.type) { |
|
case CHANNEL_TLV_ACQUIRE: |
|
bnx2x_vf_mbx_acquire(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_INIT: |
|
bnx2x_vf_mbx_init_vf(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_SETUP_Q: |
|
bnx2x_vf_mbx_setup_q(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_SET_Q_FILTERS: |
|
bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_TEARDOWN_Q: |
|
bnx2x_vf_mbx_teardown_q(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_CLOSE: |
|
bnx2x_vf_mbx_close_vf(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_RELEASE: |
|
bnx2x_vf_mbx_release_vf(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_UPDATE_RSS: |
|
bnx2x_vf_mbx_update_rss(bp, vf, mbx); |
|
return; |
|
case CHANNEL_TLV_UPDATE_TPA: |
|
bnx2x_vf_mbx_update_tpa(bp, vf, mbx); |
|
return; |
|
} |
|
|
|
} else { |
|
/* unknown TLV - this may belong to a VF driver from the future |
|
* - a version written after this PF driver was written, which |
|
* supports features unknown as of yet. Too bad since we don't |
|
* support them. Or this may be because someone wrote a crappy |
|
* VF driver and is sending garbage over the channel. |
|
*/ |
|
BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", |
|
mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, |
|
vf->state); |
|
for (i = 0; i < 20; i++) |
|
DP_CONT(BNX2X_MSG_IOV, "%x ", |
|
mbx->msg->req.tlv_buf_size.tlv_buffer[i]); |
|
} |
|
|
|
/* can we respond to VF (do we have an address for it?) */ |
|
if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { |
|
/* notify the VF that we do not support this request */ |
|
bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); |
|
} else { |
|
/* can't send a response since this VF is unknown to us |
|
* just ack the FW to release the mailbox and unlock |
|
* the channel. |
|
*/ |
|
storm_memset_vf_mbx_ack(bp, vf->abs_vfid); |
|
/* Firmware ack should be written before unlocking channel */ |
|
bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
|
} |
|
} |
|
|
|
void bnx2x_vf_mbx_schedule(struct bnx2x *bp, |
|
struct vf_pf_event_data *vfpf_event) |
|
{ |
|
u8 vf_idx; |
|
|
|
DP(BNX2X_MSG_IOV, |
|
"vf pf event received: vfid %d, address_hi %x, address lo %x", |
|
vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); |
|
/* Sanity checks consider removing later */ |
|
|
|
/* check if the vf_id is valid */ |
|
if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > |
|
BNX2X_NR_VIRTFN(bp)) { |
|
BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", |
|
vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); |
|
return; |
|
} |
|
|
|
vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); |
|
|
|
/* Update VFDB with current message and schedule its handling */ |
|
mutex_lock(&BP_VFDB(bp)->event_mutex); |
|
BP_VF_MBX(bp, vf_idx)->vf_addr_hi = |
|
le32_to_cpu(vfpf_event->msg_addr_hi); |
|
BP_VF_MBX(bp, vf_idx)->vf_addr_lo = |
|
le32_to_cpu(vfpf_event->msg_addr_lo); |
|
BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); |
|
mutex_unlock(&BP_VFDB(bp)->event_mutex); |
|
|
|
bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); |
|
} |
|
|
|
/* handle new vf-pf messages */ |
|
void bnx2x_vf_mbx(struct bnx2x *bp) |
|
{ |
|
struct bnx2x_vfdb *vfdb = BP_VFDB(bp); |
|
u64 events; |
|
u8 vf_idx; |
|
int rc; |
|
|
|
if (!vfdb) |
|
return; |
|
|
|
mutex_lock(&vfdb->event_mutex); |
|
events = vfdb->event_occur; |
|
vfdb->event_occur = 0; |
|
mutex_unlock(&vfdb->event_mutex); |
|
|
|
for_each_vf(bp, vf_idx) { |
|
struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); |
|
struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); |
|
|
|
/* Handle VFs which have pending events */ |
|
if (!(events & (1ULL << vf_idx))) |
|
continue; |
|
|
|
DP(BNX2X_MSG_IOV, |
|
"Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", |
|
vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, |
|
mbx->first_tlv.resp_msg_offset); |
|
|
|
/* dmae to get the VF request */ |
|
rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, |
|
vf->abs_vfid, mbx->vf_addr_hi, |
|
mbx->vf_addr_lo, |
|
sizeof(union vfpf_tlvs)/4); |
|
if (rc) { |
|
BNX2X_ERR("Failed to copy request VF %d\n", |
|
vf->abs_vfid); |
|
bnx2x_vf_release(bp, vf); |
|
return; |
|
} |
|
|
|
/* process the VF message header */ |
|
mbx->first_tlv = mbx->msg->req.first_tlv; |
|
|
|
/* Clean response buffer to refrain from falsely |
|
* seeing chains. |
|
*/ |
|
memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); |
|
|
|
/* dispatch the request (will prepare the response) */ |
|
bnx2x_vf_mbx_request(bp, vf, mbx); |
|
} |
|
} |
|
|
|
void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, |
|
bool support_long) |
|
{ |
|
/* Older VFs contain a bug where they can't check CRC for bulletin |
|
* boards of length greater than legacy size. |
|
*/ |
|
bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : |
|
BULLETIN_CONTENT_LEGACY_SIZE; |
|
bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); |
|
} |
|
|
|
/* propagate local bulletin board to vf */ |
|
int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) |
|
{ |
|
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); |
|
dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + |
|
vf * BULLETIN_CONTENT_SIZE; |
|
dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); |
|
int rc; |
|
|
|
/* can only update vf after init took place */ |
|
if (bnx2x_vf(bp, vf, state) != VF_ENABLED && |
|
bnx2x_vf(bp, vf, state) != VF_ACQUIRED) |
|
return 0; |
|
|
|
/* increment bulletin board version and compute crc */ |
|
bulletin->version++; |
|
bnx2x_vf_bulletin_finalize(bulletin, |
|
(bnx2x_vf(bp, vf, cfg_flags) & |
|
VF_CFG_EXT_BULLETIN) ? true : false); |
|
|
|
/* propagate bulletin board via dmae to vm memory */ |
|
rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, |
|
bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), |
|
U64_LO(vf_addr), bulletin->length / 4); |
|
return rc; |
|
}
|
|
|