| /* bnx2x_sriov.c: Broadcom Everest network driver. |
| * |
| * Copyright 2009-2013 Broadcom Corporation |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2, available |
| * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| * |
| * Notwithstanding the above, under no circumstances may you combine this |
| * software in any way with any other Broadcom software provided under a |
| * license other than the GPL, without Broadcom's express prior written |
| * consent. |
| * |
| * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| * Written by: Shmulik Ravid <shmulikr@broadcom.com> |
| * Ariel Elior <ariele@broadcom.com> |
| * |
| */ |
| #include "bnx2x.h" |
| #include "bnx2x_init.h" |
| #include "bnx2x_cmn.h" |
| #include "bnx2x_sp.h" |
| #include <linux/crc32.h> |
| #include <linux/if_vlan.h> |
| |
| /* General service functions */ |
| static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid, |
| u16 pf_id) |
| { |
| REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid), |
| pf_id); |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid), |
| pf_id); |
| REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid), |
| pf_id); |
| REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid), |
| pf_id); |
| } |
| |
| static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid, |
| u8 enable) |
| { |
| REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid), |
| enable); |
| REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid), |
| enable); |
| REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid), |
| enable); |
| REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid), |
| enable); |
| } |
| |
| int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| { |
| int idx; |
| |
| for_each_vf(bp, idx) |
| if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid) |
| break; |
| return idx; |
| } |
| |
| static |
| struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| { |
| u16 idx = (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid); |
| return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL; |
| } |
| |
| static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| u8 igu_sb_id, u8 segment, u16 index, u8 op, |
| u8 update) |
| { |
| /* acking a VF sb through the PF - use the GRC */ |
| u32 ctl; |
| u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; |
| u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; |
| u32 func_encode = vf->abs_vfid; |
| u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id; |
| struct igu_regular cmd_data = {0}; |
| |
| cmd_data.sb_id_and_flags = |
| ((index << IGU_REGULAR_SB_INDEX_SHIFT) | |
| (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | |
| (update << IGU_REGULAR_BUPDATE_SHIFT) | |
| (op << IGU_REGULAR_ENABLE_INT_SHIFT)); |
| |
| ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | |
| func_encode << IGU_CTRL_REG_FID_SHIFT | |
| IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; |
| |
| DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| cmd_data.sb_id_and_flags, igu_addr_data); |
| REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags); |
| mmiowb(); |
| barrier(); |
| |
| DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| ctl, igu_addr_ctl); |
| REG_WR(bp, igu_addr_ctl, ctl); |
| mmiowb(); |
| barrier(); |
| } |
| /* VFOP - VF slow-path operation support */ |
| |
| #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000 |
| |
| /* VFOP operations states */ |
| enum bnx2x_vfop_qctor_state { |
| BNX2X_VFOP_QCTOR_INIT, |
| BNX2X_VFOP_QCTOR_SETUP, |
| BNX2X_VFOP_QCTOR_INT_EN |
| }; |
| |
| enum bnx2x_vfop_qdtor_state { |
| BNX2X_VFOP_QDTOR_HALT, |
| BNX2X_VFOP_QDTOR_TERMINATE, |
| BNX2X_VFOP_QDTOR_CFCDEL, |
| BNX2X_VFOP_QDTOR_DONE |
| }; |
| |
| enum bnx2x_vfop_vlan_mac_state { |
| BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, |
| BNX2X_VFOP_VLAN_MAC_CLEAR, |
| BNX2X_VFOP_VLAN_MAC_CHK_DONE, |
| BNX2X_VFOP_MAC_CONFIG_LIST, |
| BNX2X_VFOP_VLAN_CONFIG_LIST, |
| BNX2X_VFOP_VLAN_CONFIG_LIST_0 |
| }; |
| |
| enum bnx2x_vfop_qsetup_state { |
| BNX2X_VFOP_QSETUP_CTOR, |
| BNX2X_VFOP_QSETUP_VLAN0, |
| BNX2X_VFOP_QSETUP_DONE |
| }; |
| |
| enum bnx2x_vfop_mcast_state { |
| BNX2X_VFOP_MCAST_DEL, |
| BNX2X_VFOP_MCAST_ADD, |
| BNX2X_VFOP_MCAST_CHK_DONE |
| }; |
| enum bnx2x_vfop_qflr_state { |
| BNX2X_VFOP_QFLR_CLR_VLAN, |
| BNX2X_VFOP_QFLR_CLR_MAC, |
| BNX2X_VFOP_QFLR_TERMINATE, |
| BNX2X_VFOP_QFLR_DONE |
| }; |
| |
| enum bnx2x_vfop_flr_state { |
| BNX2X_VFOP_FLR_QUEUES, |
| BNX2X_VFOP_FLR_HW |
| }; |
| |
| enum bnx2x_vfop_close_state { |
| BNX2X_VFOP_CLOSE_QUEUES, |
| BNX2X_VFOP_CLOSE_HW |
| }; |
| |
| enum bnx2x_vfop_rxmode_state { |
| BNX2X_VFOP_RXMODE_CONFIG, |
| BNX2X_VFOP_RXMODE_DONE |
| }; |
| |
| enum bnx2x_vfop_qteardown_state { |
| BNX2X_VFOP_QTEARDOWN_RXMODE, |
| BNX2X_VFOP_QTEARDOWN_CLR_VLAN, |
| BNX2X_VFOP_QTEARDOWN_CLR_MAC, |
| BNX2X_VFOP_QTEARDOWN_QDTOR, |
| BNX2X_VFOP_QTEARDOWN_DONE |
| }; |
| |
| #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0) |
| |
| void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_queue_init_params *init_params, |
| struct bnx2x_queue_setup_params *setup_params, |
| u16 q_idx, u16 sb_idx) |
| { |
| DP(BNX2X_MSG_IOV, |
| "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d", |
| vf->abs_vfid, |
| q_idx, |
| sb_idx, |
| init_params->tx.sb_cq_index, |
| init_params->tx.hc_rate, |
| setup_params->flags, |
| setup_params->txq_params.traffic_type); |
| } |
| |
| void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_queue_init_params *init_params, |
| struct bnx2x_queue_setup_params *setup_params, |
| u16 q_idx, u16 sb_idx) |
| { |
| struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n" |
| "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n", |
| vf->abs_vfid, |
| q_idx, |
| sb_idx, |
| init_params->rx.sb_cq_index, |
| init_params->rx.hc_rate, |
| setup_params->gen_params.mtu, |
| rxq_params->buf_sz, |
| rxq_params->sge_buf_sz, |
| rxq_params->max_sges_pkt, |
| rxq_params->tpa_agg_sz, |
| setup_params->flags, |
| rxq_params->drop_flags, |
| rxq_params->cache_line_log); |
| } |
| |
| void bnx2x_vfop_qctor_prep(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vf_queue *q, |
| struct bnx2x_vfop_qctor_params *p, |
| unsigned long q_type) |
| { |
| struct bnx2x_queue_init_params *init_p = &p->qstate.params.init; |
| struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup; |
| |
| /* INIT */ |
| |
| /* Enable host coalescing in the transition to INIT state */ |
| if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags)) |
| __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags); |
| |
| if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags)) |
| __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags); |
| |
| /* FW SB ID */ |
| init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| |
| /* context */ |
| init_p->cxts[0] = q->cxt; |
| |
| /* SETUP */ |
| |
| /* Setup-op general parameters */ |
| setup_p->gen_params.spcl_id = vf->sp_cl_id; |
| setup_p->gen_params.stat_id = vfq_stat_id(vf, q); |
| |
| /* Setup-op pause params: |
| * Nothing to do, the pause thresholds are set by default to 0 which |
| * effectively turns off the feature for this queue. We don't want |
| * one queue (VF) to interfering with another queue (another VF) |
| */ |
| if (vf->cfg_flags & VF_CFG_FW_FC) |
| BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n", |
| vf->abs_vfid); |
| /* Setup-op flags: |
| * collect statistics, zero statistics, local-switching, security, |
| * OV for Flex10, RSS and MCAST for leading |
| */ |
| if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags)) |
| __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags); |
| |
| /* for VFs, enable tx switching, bd coherency, and mac address |
| * anti-spoofing |
| */ |
| __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags); |
| __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags); |
| __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags); |
| |
| if (vfq_is_leading(q)) { |
| __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags); |
| __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); |
| } |
| |
| /* Setup-op rx parameters */ |
| if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) { |
| struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params; |
| |
| rxq_p->cl_qzone_id = vfq_qzone_id(vf, q); |
| rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid); |
| |
| if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags)) |
| rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES; |
| } |
| |
| /* Setup-op tx parameters */ |
| if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) { |
| setup_p->txq_params.tss_leading_cl_id = vf->leading_rss; |
| setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| } |
| } |
| |
| /* VFOP queue construction */ |
| static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor; |
| struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| enum bnx2x_vfop_qctor_state state = vfop->state; |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_QCTOR_INIT: |
| |
| /* has this queue already been opened? */ |
| if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| DP(BNX2X_MSG_IOV, |
| "Entered qctor but queue was already up. Aborting gracefully\n"); |
| goto op_done; |
| } |
| |
| /* next state */ |
| vfop->state = BNX2X_VFOP_QCTOR_SETUP; |
| |
| q_params->cmd = BNX2X_Q_CMD_INIT; |
| vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| |
| case BNX2X_VFOP_QCTOR_SETUP: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_QCTOR_INT_EN; |
| |
| /* copy pre-prepared setup params to the queue-state params */ |
| vfop->op_p->qctor.qstate.params.setup = |
| vfop->op_p->qctor.prep_qsetup; |
| |
| q_params->cmd = BNX2X_Q_CMD_SETUP; |
| vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| |
| case BNX2X_VFOP_QCTOR_INT_EN: |
| |
| /* enable interrupts */ |
| bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx), |
| USTORM_ID, 0, IGU_INT_ENABLE, 0); |
| goto op_done; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_err: |
| BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n", |
| vf->abs_vfid, args->qid, q_params->cmd, vfop->rc); |
| op_done: |
| bnx2x_vfop_end(bp, vf, vfop); |
| op_pending: |
| return; |
| } |
| |
| static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| |
| vfop->args.qctor.qid = qid; |
| vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx); |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT, |
| bnx2x_vfop_qctor, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP queue destruction */ |
| static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor; |
| struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| enum bnx2x_vfop_qdtor_state state = vfop->state; |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_QDTOR_HALT: |
| |
| /* has this queue already been stopped? */ |
| if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| BNX2X_Q_LOGICAL_STATE_STOPPED) { |
| DP(BNX2X_MSG_IOV, |
| "Entered qdtor but queue was already stopped. Aborting gracefully\n"); |
| goto op_done; |
| } |
| |
| /* next state */ |
| vfop->state = BNX2X_VFOP_QDTOR_TERMINATE; |
| |
| q_params->cmd = BNX2X_Q_CMD_HALT; |
| vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| |
| case BNX2X_VFOP_QDTOR_TERMINATE: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_QDTOR_CFCDEL; |
| |
| q_params->cmd = BNX2X_Q_CMD_TERMINATE; |
| vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| |
| case BNX2X_VFOP_QDTOR_CFCDEL: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_QDTOR_DONE; |
| |
| q_params->cmd = BNX2X_Q_CMD_CFC_DEL; |
| vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| op_err: |
| BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n", |
| vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc); |
| op_done: |
| case BNX2X_VFOP_QDTOR_DONE: |
| /* invalidate the context */ |
| qdtor->cxt->ustorm_ag_context.cdu_usage = 0; |
| qdtor->cxt->xstorm_ag_context.cdu_reserved = 0; |
| bnx2x_vfop_end(bp, vf, vfop); |
| return; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_pending: |
| return; |
| } |
| |
| static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_queue_state_params *qstate = |
| &vf->op_params.qctor.qstate; |
| |
| memset(qstate, 0, sizeof(*qstate)); |
| qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| |
| vfop->args.qdtor.qid = qid; |
| vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt); |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT, |
| bnx2x_vfop_qdtor, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor, |
| cmd->block); |
| } |
| DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid); |
| return -ENOMEM; |
| } |
| |
| static void |
| bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid) |
| { |
| struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| if (vf) { |
| if (!vf_sb_count(vf)) |
| vf->igu_base_id = igu_sb_id; |
| ++vf_sb_count(vf); |
| } |
| } |
| |
| /* VFOP MAC/VLAN helpers */ |
| static inline void bnx2x_vfop_credit(struct bnx2x *bp, |
| struct bnx2x_vfop *vfop, |
| struct bnx2x_vlan_mac_obj *obj) |
| { |
| struct bnx2x_vfop_args_filters *args = &vfop->args.filters; |
| |
| /* update credit only if there is no error |
| * and a valid credit counter |
| */ |
| if (!vfop->rc && args->credit) { |
| int cnt = 0; |
| struct list_head *pos; |
| |
| list_for_each(pos, &obj->head) |
| cnt++; |
| |
| atomic_set(args->credit, cnt); |
| } |
| } |
| |
| static int bnx2x_vfop_set_user_req(struct bnx2x *bp, |
| struct bnx2x_vfop_filter *pos, |
| struct bnx2x_vlan_mac_data *user_req) |
| { |
| user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD : |
| BNX2X_VLAN_MAC_DEL; |
| |
| switch (pos->type) { |
| case BNX2X_VFOP_FILTER_MAC: |
| memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN); |
| break; |
| case BNX2X_VFOP_FILTER_VLAN: |
| user_req->u.vlan.vlan = pos->vid; |
| break; |
| default: |
| BNX2X_ERR("Invalid filter type, skipping\n"); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int |
| bnx2x_vfop_config_vlan0(struct bnx2x *bp, |
| struct bnx2x_vlan_mac_ramrod_params *vlan_mac, |
| bool add) |
| { |
| int rc; |
| |
| vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD : |
| BNX2X_VLAN_MAC_DEL; |
| vlan_mac->user_req.u.vlan.vlan = 0; |
| |
| rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| if (rc == -EEXIST) |
| rc = 0; |
| return rc; |
| } |
| |
| static int bnx2x_vfop_config_list(struct bnx2x *bp, |
| struct bnx2x_vfop_filters *filters, |
| struct bnx2x_vlan_mac_ramrod_params *vlan_mac) |
| { |
| struct bnx2x_vfop_filter *pos, *tmp; |
| struct list_head rollback_list, *filters_list = &filters->head; |
| struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req; |
| int rc = 0, cnt = 0; |
| |
| INIT_LIST_HEAD(&rollback_list); |
| |
| list_for_each_entry_safe(pos, tmp, filters_list, link) { |
| if (bnx2x_vfop_set_user_req(bp, pos, user_req)) |
| continue; |
| |
| rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| if (rc >= 0) { |
| cnt += pos->add ? 1 : -1; |
| list_del(&pos->link); |
| list_add(&pos->link, &rollback_list); |
| rc = 0; |
| } else if (rc == -EEXIST) { |
| rc = 0; |
| } else { |
| BNX2X_ERR("Failed to add a new vlan_mac command\n"); |
| break; |
| } |
| } |
| |
| /* rollback if error or too many rules added */ |
| if (rc || cnt > filters->add_cnt) { |
| BNX2X_ERR("error or too many rules added. Performing rollback\n"); |
| list_for_each_entry_safe(pos, tmp, &rollback_list, link) { |
| pos->add = !pos->add; /* reverse op */ |
| bnx2x_vfop_set_user_req(bp, pos, user_req); |
| bnx2x_config_vlan_mac(bp, vlan_mac); |
| list_del(&pos->link); |
| } |
| cnt = 0; |
| if (!rc) |
| rc = -EINVAL; |
| } |
| filters->add_cnt = cnt; |
| return rc; |
| } |
| |
| /* VFOP set VLAN/MAC */ |
| static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac; |
| struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj; |
| struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter; |
| |
| enum bnx2x_vfop_vlan_mac_state state = vfop->state; |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| switch (state) { |
| case BNX2X_VFOP_VLAN_MAC_CLEAR: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| |
| /* do delete */ |
| vfop->rc = obj->delete_all(bp, obj, |
| &vlan_mac->user_req.vlan_mac_flags, |
| &vlan_mac->ramrod_flags); |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| |
| /* do config */ |
| vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| if (vfop->rc == -EEXIST) |
| vfop->rc = 0; |
| |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| case BNX2X_VFOP_VLAN_MAC_CHK_DONE: |
| vfop->rc = !!obj->raw.check_pending(&obj->raw); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| case BNX2X_VFOP_MAC_CONFIG_LIST: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| |
| /* do list config */ |
| vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); |
| if (vfop->rc) |
| goto op_err; |
| |
| set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); |
| vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| case BNX2X_VFOP_VLAN_CONFIG_LIST: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0; |
| |
| /* remove vlan0 - could be no-op */ |
| vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false); |
| if (vfop->rc) |
| goto op_err; |
| |
| /* Do vlan list config. if this operation fails we try to |
| * restore vlan0 to keep the queue is working order |
| */ |
| vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); |
| if (!vfop->rc) { |
| set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); |
| vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| } |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */ |
| |
| case BNX2X_VFOP_VLAN_CONFIG_LIST_0: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| |
| if (list_empty(&obj->head)) |
| /* add vlan0 */ |
| vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_err: |
| BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc); |
| op_done: |
| kfree(filters); |
| bnx2x_vfop_credit(bp, vfop, obj); |
| bnx2x_vfop_end(bp, vf, vfop); |
| op_pending: |
| return; |
| } |
| |
| struct bnx2x_vfop_vlan_mac_flags { |
| bool drv_only; |
| bool dont_consume; |
| bool single_cmd; |
| bool add; |
| }; |
| |
| static void |
| bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, |
| struct bnx2x_vfop_vlan_mac_flags *flags) |
| { |
| struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req; |
| |
| memset(ramrod, 0, sizeof(*ramrod)); |
| |
| /* ramrod flags */ |
| if (flags->drv_only) |
| set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags); |
| if (flags->single_cmd) |
| set_bit(RAMROD_EXEC, &ramrod->ramrod_flags); |
| |
| /* mac_vlan flags */ |
| if (flags->dont_consume) |
| set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags); |
| |
| /* cmd */ |
| ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL; |
| } |
| |
| static inline void |
| bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, |
| struct bnx2x_vfop_vlan_mac_flags *flags) |
| { |
| bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags); |
| set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags); |
| } |
| |
| static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid, bool drv_only) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_vfop_args_filters filters = { |
| .multi_filter = NULL, /* single */ |
| .credit = NULL, /* consume credit */ |
| }; |
| struct bnx2x_vfop_vlan_mac_flags flags = { |
| .drv_only = drv_only, |
| .dont_consume = (filters.credit != NULL), |
| .single_cmd = true, |
| .add = false /* don't care */, |
| }; |
| struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| &vf->op_params.vlan_mac; |
| |
| /* set ramrod params */ |
| bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); |
| |
| /* set object */ |
| ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
| |
| /* set extra args */ |
| vfop->args.filters = filters; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, |
| bnx2x_vfop_vlan_mac, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| struct bnx2x_vfop_filters *macs, |
| int qid, bool drv_only) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_vfop_args_filters filters = { |
| .multi_filter = macs, |
| .credit = NULL, /* consume credit */ |
| }; |
| struct bnx2x_vfop_vlan_mac_flags flags = { |
| .drv_only = drv_only, |
| .dont_consume = (filters.credit != NULL), |
| .single_cmd = false, |
| .add = false, /* don't care since only the items in the |
| * filters list affect the sp operation, |
| * not the list itself |
| */ |
| }; |
| struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| &vf->op_params.vlan_mac; |
| |
| /* set ramrod params */ |
| bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); |
| |
| /* set object */ |
| ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
| |
| /* set extra args */ |
| filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX; |
| vfop->args.filters = filters; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST, |
| bnx2x_vfop_vlan_mac, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid, u16 vid, bool add) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_vfop_args_filters filters = { |
| .multi_filter = NULL, /* single command */ |
| .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| }; |
| struct bnx2x_vfop_vlan_mac_flags flags = { |
| .drv_only = false, |
| .dont_consume = (filters.credit != NULL), |
| .single_cmd = true, |
| .add = add, |
| }; |
| struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| &vf->op_params.vlan_mac; |
| |
| /* set ramrod params */ |
| bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| ramrod->user_req.u.vlan.vlan = vid; |
| |
| /* set object */ |
| ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
| |
| /* set extra args */ |
| vfop->args.filters = filters; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, |
| bnx2x_vfop_vlan_mac, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid, bool drv_only) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_vfop_args_filters filters = { |
| .multi_filter = NULL, /* single command */ |
| .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| }; |
| struct bnx2x_vfop_vlan_mac_flags flags = { |
| .drv_only = drv_only, |
| .dont_consume = (filters.credit != NULL), |
| .single_cmd = true, |
| .add = false, /* don't care */ |
| }; |
| struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| &vf->op_params.vlan_mac; |
| |
| /* set ramrod params */ |
| bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| |
| /* set object */ |
| ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
| |
| /* set extra args */ |
| vfop->args.filters = filters; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, |
| bnx2x_vfop_vlan_mac, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| struct bnx2x_vfop_filters *vlans, |
| int qid, bool drv_only) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_vfop_args_filters filters = { |
| .multi_filter = vlans, |
| .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| }; |
| struct bnx2x_vfop_vlan_mac_flags flags = { |
| .drv_only = drv_only, |
| .dont_consume = (filters.credit != NULL), |
| .single_cmd = false, |
| .add = false, /* don't care */ |
| }; |
| struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| &vf->op_params.vlan_mac; |
| |
| /* set ramrod params */ |
| bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| |
| /* set object */ |
| ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
| |
| /* set extra args */ |
| filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) - |
| atomic_read(filters.credit); |
| |
| vfop->args.filters = filters; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST, |
| bnx2x_vfop_vlan_mac, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP queue setup (queue constructor + set vlan 0) */ |
| static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| int qid = vfop->args.qctor.qid; |
| enum bnx2x_vfop_qsetup_state state = vfop->state; |
| struct bnx2x_vfop_cmd cmd = { |
| .done = bnx2x_vfop_qsetup, |
| .block = false, |
| }; |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_QSETUP_CTOR: |
| /* init the queue ctor command */ |
| vfop->state = BNX2X_VFOP_QSETUP_VLAN0; |
| vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QSETUP_VLAN0: |
| /* skip if non-leading or FPGA/EMU*/ |
| if (qid) |
| goto op_done; |
| |
| /* init the queue set-vlan command (for vlan 0) */ |
| vfop->state = BNX2X_VFOP_QSETUP_DONE; |
| vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| op_err: |
| BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc); |
| op_done: |
| case BNX2X_VFOP_QSETUP_DONE: |
| vf->cfg_flags |= VF_CFG_VLAN; |
| smp_mb__before_clear_bit(); |
| set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN, |
| &bp->sp_rtnl_state); |
| smp_mb__after_clear_bit(); |
| schedule_delayed_work(&bp->sp_rtnl_task, 0); |
| bnx2x_vfop_end(bp, vf, vfop); |
| return; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| } |
| |
| int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| vfop->args.qctor.qid = qid; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR, |
| bnx2x_vfop_qsetup, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */ |
| static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| int qid = vfop->args.qx.qid; |
| enum bnx2x_vfop_qflr_state state = vfop->state; |
| struct bnx2x_queue_state_params *qstate; |
| struct bnx2x_vfop_cmd cmd; |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| cmd.done = bnx2x_vfop_qflr; |
| cmd.block = false; |
| |
| switch (state) { |
| case BNX2X_VFOP_QFLR_CLR_VLAN: |
| /* vlan-clear-all: driver-only, don't consume credit */ |
| vfop->state = BNX2X_VFOP_QFLR_CLR_MAC; |
| vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QFLR_CLR_MAC: |
| /* mac-clear-all: driver only consume credit */ |
| vfop->state = BNX2X_VFOP_QFLR_TERMINATE; |
| vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true); |
| DP(BNX2X_MSG_IOV, |
| "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d", |
| vf->abs_vfid, vfop->rc); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QFLR_TERMINATE: |
| qstate = &vfop->op_p->qctor.qstate; |
| memset(qstate , 0, sizeof(*qstate)); |
| qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| vfop->state = BNX2X_VFOP_QFLR_DONE; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n", |
| vf->abs_vfid, qstate->q_obj->state); |
| |
| if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) { |
| qstate->q_obj->state = BNX2X_Q_STATE_STOPPED; |
| qstate->cmd = BNX2X_Q_CMD_TERMINATE; |
| vfop->rc = bnx2x_queue_state_change(bp, qstate); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND); |
| } else { |
| goto op_done; |
| } |
| |
| op_err: |
| BNX2X_ERR("QFLR[%d:%d] error: rc %d\n", |
| vf->abs_vfid, qid, vfop->rc); |
| op_done: |
| case BNX2X_VFOP_QFLR_DONE: |
| bnx2x_vfop_end(bp, vf, vfop); |
| return; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_pending: |
| return; |
| } |
| |
| static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| vfop->args.qx.qid = qid; |
| bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN, |
| bnx2x_vfop_qflr, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP multi-casts */ |
| static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast; |
| struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw; |
| struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list; |
| enum bnx2x_vfop_mcast_state state = vfop->state; |
| int i; |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_MCAST_DEL: |
| /* clear existing mcasts */ |
| vfop->state = BNX2X_VFOP_MCAST_ADD; |
| vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| |
| case BNX2X_VFOP_MCAST_ADD: |
| if (raw->check_pending(raw)) |
| goto op_pending; |
| |
| if (args->mc_num) { |
| /* update mcast list on the ramrod params */ |
| INIT_LIST_HEAD(&mcast->mcast_list); |
| for (i = 0; i < args->mc_num; i++) |
| list_add_tail(&(args->mc[i].link), |
| &mcast->mcast_list); |
| /* add new mcasts */ |
| vfop->state = BNX2X_VFOP_MCAST_CHK_DONE; |
| vfop->rc = bnx2x_config_mcast(bp, mcast, |
| BNX2X_MCAST_CMD_ADD); |
| } |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| |
| case BNX2X_VFOP_MCAST_CHK_DONE: |
| vfop->rc = raw->check_pending(raw) ? 1 : 0; |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_err: |
| BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc); |
| op_done: |
| kfree(args->mc); |
| bnx2x_vfop_end(bp, vf, vfop); |
| op_pending: |
| return; |
| } |
| |
| int bnx2x_vfop_mcast_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| bnx2x_mac_addr_t *mcasts, |
| int mcast_num, bool drv_only) |
| { |
| struct bnx2x_vfop *vfop = NULL; |
| size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem); |
| struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) : |
| NULL; |
| |
| if (!mc_sz || mc) { |
| vfop = bnx2x_vfop_add(bp, vf); |
| if (vfop) { |
| int i; |
| struct bnx2x_mcast_ramrod_params *ramrod = |
| &vf->op_params.mcast; |
| |
| /* set ramrod params */ |
| memset(ramrod, 0, sizeof(*ramrod)); |
| ramrod->mcast_obj = &vf->mcast_obj; |
| if (drv_only) |
| set_bit(RAMROD_DRV_CLR_ONLY, |
| &ramrod->ramrod_flags); |
| |
| /* copy mcasts pointers */ |
| vfop->args.mc_list.mc_num = mcast_num; |
| vfop->args.mc_list.mc = mc; |
| for (i = 0; i < mcast_num; i++) |
| mc[i].mac = mcasts[i]; |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL, |
| bnx2x_vfop_mcast, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast, |
| cmd->block); |
| } else { |
| kfree(mc); |
| } |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP rx-mode */ |
| static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode; |
| enum bnx2x_vfop_rxmode_state state = vfop->state; |
| |
| bnx2x_vfop_reset_wq(vf); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_RXMODE_CONFIG: |
| /* next state */ |
| vfop->state = BNX2X_VFOP_RXMODE_DONE; |
| |
| vfop->rc = bnx2x_config_rx_mode(bp, ramrod); |
| bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| op_err: |
| BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc); |
| op_done: |
| case BNX2X_VFOP_RXMODE_DONE: |
| bnx2x_vfop_end(bp, vf, vfop); |
| return; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_pending: |
| return; |
| } |
| |
| int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid, unsigned long accept_flags) |
| { |
| struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| struct bnx2x_rx_mode_ramrod_params *ramrod = |
| &vf->op_params.rx_mode; |
| |
| memset(ramrod, 0, sizeof(*ramrod)); |
| |
| /* Prepare ramrod parameters */ |
| ramrod->cid = vfq->cid; |
| ramrod->cl_id = vfq_cl_id(vf, vfq); |
| ramrod->rx_mode_obj = &bp->rx_mode_obj; |
| ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); |
| |
| ramrod->rx_accept_flags = accept_flags; |
| ramrod->tx_accept_flags = accept_flags; |
| ramrod->pstate = &vf->filter_state; |
| ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; |
| |
| set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| set_bit(RAMROD_RX, &ramrod->ramrod_flags); |
| set_bit(RAMROD_TX, &ramrod->ramrod_flags); |
| |
| ramrod->rdata = |
| bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); |
| ramrod->rdata_mapping = |
| bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); |
| |
| bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG, |
| bnx2x_vfop_rxmode, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs, |
| * queue destructor) |
| */ |
| static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| int qid = vfop->args.qx.qid; |
| enum bnx2x_vfop_qteardown_state state = vfop->state; |
| struct bnx2x_vfop_cmd cmd; |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| cmd.done = bnx2x_vfop_qdown; |
| cmd.block = false; |
| |
| switch (state) { |
| case BNX2X_VFOP_QTEARDOWN_RXMODE: |
| /* Drop all */ |
| vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN; |
| vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QTEARDOWN_CLR_VLAN: |
| /* vlan-clear-all: don't consume credit */ |
| vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC; |
| vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QTEARDOWN_CLR_MAC: |
| /* mac-clear-all: consume credit */ |
| vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR; |
| vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_QTEARDOWN_QDTOR: |
| /* run the queue destruction flow */ |
| DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n"); |
| vfop->state = BNX2X_VFOP_QTEARDOWN_DONE; |
| DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n"); |
| vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid); |
| DP(BNX2X_MSG_IOV, "returned from cmd\n"); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| op_err: |
| BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n", |
| vf->abs_vfid, qid, vfop->rc); |
| |
| case BNX2X_VFOP_QTEARDOWN_DONE: |
| bnx2x_vfop_end(bp, vf, vfop); |
| return; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| } |
| |
| int bnx2x_vfop_qdown_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd, |
| int qid) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| |
| if (vfop) { |
| vfop->args.qx.qid = qid; |
| bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE, |
| bnx2x_vfop_qdown, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown, |
| cmd->block); |
| } |
| |
| return -ENOMEM; |
| } |
| |
| /* VF enable primitives |
| * when pretend is required the caller is responsible |
| * for calling pretend prior to calling these routines |
| */ |
| |
| /* internal vf enable - until vf is enabled internally all transactions |
| * are blocked. this routine should always be called last with pretend. |
| */ |
| static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable) |
| { |
| REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0); |
| } |
| |
| /* clears vf error in all semi blocks */ |
| static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| { |
| REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid); |
| REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| } |
| |
| static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| { |
| u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5; |
| u32 was_err_reg = 0; |
| |
| switch (was_err_group) { |
| case 0: |
| was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR; |
| break; |
| case 1: |
| was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR; |
| break; |
| case 2: |
| was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR; |
| break; |
| case 3: |
| was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR; |
| break; |
| } |
| REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f)); |
| } |
| |
| static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| int i; |
| u32 val; |
| |
| /* Set VF masks and configuration - pretend */ |
| bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| |
| REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0); |
| REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0); |
| REG_WR(bp, IGU_REG_SB_MASK_LSB, 0); |
| REG_WR(bp, IGU_REG_SB_MASK_MSB, 0); |
| REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0); |
| REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0); |
| |
| val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN); |
| if (vf->cfg_flags & VF_CFG_INT_SIMD) |
| val |= IGU_VF_CONF_SINGLE_ISR_EN; |
| val &= ~IGU_VF_CONF_PARENT_MASK; |
| val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ |
| REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| |
| DP(BNX2X_MSG_IOV, |
| "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", |
| vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); |
| |
| bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| |
| /* iterate over all queues, clear sb consumer */ |
| for (i = 0; i < vf_sb_count(vf); i++) { |
| u8 igu_sb_id = vf_igu_sb(vf, i); |
| |
| /* zero prod memory */ |
| REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0); |
| |
| /* clear sb state machine */ |
| bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id, |
| false /* VF */); |
| |
| /* disable + update */ |
| bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0, |
| IGU_INT_DISABLE, 1); |
| } |
| } |
| |
| void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid) |
| { |
| /* set the VF-PF association in the FW */ |
| storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp)); |
| storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1); |
| |
| /* clear vf errors*/ |
| bnx2x_vf_semi_clear_err(bp, abs_vfid); |
| bnx2x_vf_pglue_clear_err(bp, abs_vfid); |
| |
| /* internal vf-enable - pretend */ |
| bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid)); |
| DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid); |
| bnx2x_vf_enable_internal(bp, true); |
| bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| } |
| |
| static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| /* Reset vf in IGU interrupts are still disabled */ |
| bnx2x_vf_igu_reset(bp, vf); |
| |
| /* pretend to enable the vf with the PBF */ |
| bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| REG_WR(bp, PBF_REG_DISABLE_VF, 0); |
| bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| } |
| |
| static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) |
| { |
| struct pci_dev *dev; |
| struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| |
| if (!vf) |
| goto unknown_dev; |
| |
| dev = pci_get_bus_and_slot(vf->bus, vf->devfn); |
| if (dev) |
| return bnx2x_is_pcie_pending(dev); |
| |
| unknown_dev: |
| BNX2X_ERR("Unknown device\n"); |
| return false; |
| } |
| |
| int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) |
| { |
| /* Wait 100ms */ |
| msleep(100); |
| |
| /* Verify no pending pci transactions */ |
| if (bnx2x_vf_is_pcie_pending(bp, abs_vfid)) |
| BNX2X_ERR("PCIE Transactions still pending\n"); |
| |
| return 0; |
| } |
| |
| /* must be called after the number of PF queues and the number of VFs are |
| * both known |
| */ |
| static void |
| bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc) |
| { |
| u16 vlan_count = 0; |
| |
| /* will be set only during VF-ACQUIRE */ |
| resc->num_rxqs = 0; |
| resc->num_txqs = 0; |
| |
| /* no credit calculcis for macs (just yet) */ |
| resc->num_mac_filters = 1; |
| |
| /* divvy up vlan rules */ |
| vlan_count = bp->vlans_pool.check(&bp->vlans_pool); |
| vlan_count = 1 << ilog2(vlan_count); |
| resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp); |
| |
| /* no real limitation */ |
| resc->num_mc_filters = 0; |
| |
| /* num_sbs already set */ |
| } |
| |
| /* FLR routines: */ |
| static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| /* reset the state variables */ |
| bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| vf->state = VF_FREE; |
| } |
| |
| static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp); |
| |
| /* DQ usage counter */ |
| bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT, |
| "DQ VF usage counter timed out", |
| poll_cnt); |
| bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| |
| /* FW cleanup command - poll for the results */ |
| if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid), |
| poll_cnt)) |
| BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid); |
| |
| /* verify TX hw is flushed */ |
| bnx2x_tx_hw_flushed(bp, poll_cnt); |
| } |
| |
| static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| enum bnx2x_vfop_flr_state state = vfop->state; |
| struct bnx2x_vfop_cmd cmd = { |
| .done = bnx2x_vfop_flr, |
| .block = false, |
| }; |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_FLR_QUEUES: |
| /* the cleanup operations are valid if and only if the VF |
| * was first acquired. |
| */ |
| if (++(qx->qid) < vf_rxq_count(vf)) { |
| vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd, |
| qx->qid); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| } |
| /* remove multicasts */ |
| vfop->state = BNX2X_VFOP_FLR_HW; |
| vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, |
| 0, true); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| case BNX2X_VFOP_FLR_HW: |
| |
| /* dispatch final cleanup and wait for HW queues to flush */ |
| bnx2x_vf_flr_clnup_hw(bp, vf); |
| |
| /* release VF resources */ |
| bnx2x_vf_free_resc(bp, vf); |
| |
| /* re-open the mailbox */ |
| bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| |
| goto op_done; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_err: |
| BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc); |
| op_done: |
| vf->flr_clnup_stage = VF_FLR_ACK; |
| bnx2x_vfop_end(bp, vf, vfop); |
| bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| } |
| |
| static int bnx2x_vfop_flr_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| vfop_handler_t done) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| if (vfop) { |
| vfop->args.qx.qid = -1; /* loop */ |
| bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES, |
| bnx2x_vfop_flr, done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false); |
| } |
| return -ENOMEM; |
| } |
| |
| static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf) |
| { |
| int i = prev_vf ? prev_vf->index + 1 : 0; |
| struct bnx2x_virtf *vf; |
| |
| /* find next VF to cleanup */ |
| next_vf_to_clean: |
| for (; |
| i < BNX2X_NR_VIRTFN(bp) && |
| (bnx2x_vf(bp, i, state) != VF_RESET || |
| bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN); |
| i++) |
| ; |
| |
| DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. num of vfs: %d\n", i, |
| BNX2X_NR_VIRTFN(bp)); |
| |
| if (i < BNX2X_NR_VIRTFN(bp)) { |
| vf = BP_VF(bp, i); |
| |
| /* lock the vf pf channel */ |
| bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| |
| /* invoke the VF FLR SM */ |
| if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) { |
| BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n", |
| vf->abs_vfid); |
| |
| /* mark the VF to be ACKED and continue */ |
| vf->flr_clnup_stage = VF_FLR_ACK; |
| goto next_vf_to_clean; |
| } |
| return; |
| } |
| |
| /* we are done, update vf records */ |
| for_each_vf(bp, i) { |
| vf = BP_VF(bp, i); |
| |
| if (vf->flr_clnup_stage != VF_FLR_ACK) |
| continue; |
| |
| vf->flr_clnup_stage = VF_FLR_EPILOG; |
| } |
| |
| /* Acknowledge the handled VFs. |
| * we are acknowledge all the vfs which an flr was requested for, even |
| * if amongst them there are such that we never opened, since the mcp |
| * will interrupt us immediately again if we only ack some of the bits, |
| * resulting in an endless loop. This can happen for example in KVM |
| * where an 'all ones' flr request is sometimes given by hyper visor |
| */ |
| DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n", |
| bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], |
| bp->vfdb->flrd_vfs[i]); |
| |
| bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0); |
| |
| /* clear the acked bits - better yet if the MCP implemented |
| * write to clear semantics |
| */ |
| for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0); |
| } |
| |
| void bnx2x_vf_handle_flr_event(struct bnx2x *bp) |
| { |
| int i; |
| |
| /* Read FLR'd VFs */ |
| for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]); |
| |
| DP(BNX2X_MSG_MCP, |
| "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n", |
| bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| |
| for_each_vf(bp, i) { |
| struct bnx2x_virtf *vf = BP_VF(bp, i); |
| u32 reset = 0; |
| |
| if (vf->abs_vfid < 32) |
| reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid); |
| else |
| reset = bp->vfdb->flrd_vfs[1] & |
| (1 << (vf->abs_vfid - 32)); |
| |
| if (reset) { |
| /* set as reset and ready for cleanup */ |
| vf->state = VF_RESET; |
| vf->flr_clnup_stage = VF_FLR_CLN; |
| |
| DP(BNX2X_MSG_IOV, |
| "Initiating Final cleanup for VF %d\n", |
| vf->abs_vfid); |
| } |
| } |
| |
| /* do the FLR cleanup for all marked VFs*/ |
| bnx2x_vf_flr_clnup(bp, NULL); |
| } |
| |
| /* IOV global initialization routines */ |
| void bnx2x_iov_init_dq(struct bnx2x *bp) |
| { |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| /* Set the DQ such that the CID reflect the abs_vfid */ |
| REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0); |
| REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS)); |
| |
| /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to |
| * the PF L2 queues |
| */ |
| REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID); |
| |
| /* The VF window size is the log2 of the max number of CIDs per VF */ |
| REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND); |
| |
| /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match |
| * the Pf doorbell size although the 2 are independent. |
| */ |
| REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, |
| BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT); |
| |
| /* No security checks for now - |
| * configure single rule (out of 16) mask = 0x1, value = 0x0, |
| * CID range 0 - 0x1ffff |
| */ |
| REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1); |
| REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0); |
| REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0); |
| REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff); |
| |
| /* set the number of VF alllowed doorbells to the full DQ range */ |
| REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000); |
| |
| /* set the VF doorbell threshold */ |
| REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4); |
| } |
| |
| void bnx2x_iov_init_dmae(struct bnx2x *bp) |
| { |
| DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF"); |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); |
| } |
| |
| static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) |
| { |
| struct pci_dev *dev = bp->pdev; |
| struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| |
| return dev->bus->number + ((dev->devfn + iov->offset + |
| iov->stride * vfid) >> 8); |
| } |
| |
| static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid) |
| { |
| struct pci_dev *dev = bp->pdev; |
| struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| |
| return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff; |
| } |
| |
| static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| int i, n; |
| struct pci_dev *dev = bp->pdev; |
| struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| |
| for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) { |
| u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i); |
| u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i); |
| |
| size /= iov->total; |
| vf->bars[n].bar = start + size * vf->abs_vfid; |
| vf->bars[n].size = size; |
| } |
| } |
| |
| static int bnx2x_ari_enabled(struct pci_dev *dev) |
| { |
| return dev->bus->self && dev->bus->self->ari_enabled; |
| } |
| |
| static void |
| bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) |
| { |
| int sb_id; |
| u32 val; |
| u8 fid; |
| |
| /* IGU in normal mode - read CAM */ |
| for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) { |
| val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4); |
| if (!(val & IGU_REG_MAPPING_MEMORY_VALID)) |
| continue; |
| fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); |
| if (!(fid & IGU_FID_ENCODE_IS_PF)) |
| bnx2x_vf_set_igu_info(bp, sb_id, |
| (fid & IGU_FID_VF_NUM_MASK)); |
| |
| DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", |
| ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"), |
| ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) : |
| (fid & IGU_FID_VF_NUM_MASK)), sb_id, |
| GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)); |
| } |
| } |
| |
| static void __bnx2x_iov_free_vfdb(struct bnx2x *bp) |
| { |
| if (bp->vfdb) { |
| kfree(bp->vfdb->vfqs); |
| kfree(bp->vfdb->vfs); |
| kfree(bp->vfdb); |
| } |
| bp->vfdb = NULL; |
| } |
| |
| static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| { |
| int pos; |
| struct pci_dev *dev = bp->pdev; |
| |
| pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| if (!pos) { |
| BNX2X_ERR("failed to find SRIOV capability in device\n"); |
| return -ENODEV; |
| } |
| |
| iov->pos = pos; |
| DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos); |
| pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); |
| pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total); |
| pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial); |
| pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset); |
| pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride); |
| pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); |
| pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); |
| pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); |
| |
| return 0; |
| } |
| |
| static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| { |
| u32 val; |
| |
| /* read the SRIOV capability structure |
| * The fields can be read via configuration read or |
| * directly from the device (starting at offset PCICFG_OFFSET) |
| */ |
| if (bnx2x_sriov_pci_cfg_info(bp, iov)) |
| return -ENODEV; |
| |
| /* get the number of SRIOV bars */ |
| iov->nres = 0; |
| |
| /* read the first_vfid */ |
| val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF); |
| iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK) |
| * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp)); |
| |
| DP(BNX2X_MSG_IOV, |
| "IOV info[%d]: first vf %d, nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n", |
| BP_FUNC(bp), |
| iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total, |
| iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); |
| |
| return 0; |
| } |
| |
| static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp) |
| { |
| int i; |
| u8 queue_count = 0; |
| |
| if (IS_SRIOV(bp)) |
| for_each_vf(bp, i) |
| queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| |
| return queue_count; |
| } |
| |
| /* must be called after PF bars are mapped */ |
| int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, |
| int num_vfs_param) |
| { |
| int err, i, qcount; |
| struct bnx2x_sriov *iov; |
| struct pci_dev *dev = bp->pdev; |
| |
| bp->vfdb = NULL; |
| |
| /* verify is pf */ |
| if (IS_VF(bp)) |
| return 0; |
| |
| /* verify sriov capability is present in configuration space */ |
| if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV)) |
| return 0; |
| |
| /* verify chip revision */ |
| if (CHIP_IS_E1x(bp)) |
| return 0; |
| |
| /* check if SRIOV support is turned off */ |
| if (!num_vfs_param) |
| return 0; |
| |
| /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */ |
| if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) { |
| BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n", |
| BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID); |
| return 0; |
| } |
| |
| /* SRIOV can be enabled only with MSIX */ |
| if (int_mode_param == BNX2X_INT_MODE_MSI || |
| int_mode_param == BNX2X_INT_MODE_INTX) |
| BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n"); |
| |
| err = -EIO; |
| /* verify ari is enabled */ |
| if (!bnx2x_ari_enabled(bp->pdev)) { |
| BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n"); |
| return err; |
| } |
| |
| /* verify igu is in normal mode */ |
| if (CHIP_INT_MODE_IS_BC(bp)) { |
| BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n"); |
| return err; |
| } |
| |
| /* allocate the vfs database */ |
| bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL); |
| if (!bp->vfdb) { |
| BNX2X_ERR("failed to allocate vf database\n"); |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| /* get the sriov info - Linux already collected all the pertinent |
| * information, however the sriov structure is for the private use |
| * of the pci module. Also we want this information regardless |
| * of the hyper-visor. |
| */ |
| iov = &(bp->vfdb->sriov); |
| err = bnx2x_sriov_info(bp, iov); |
| if (err) |
| goto failed; |
| |
| /* SR-IOV capability was enabled but there are no VFs*/ |
| if (iov->total == 0) |
| goto failed; |
| |
| /* calculate the actual number of VFs */ |
| iov->nr_virtfn = min_t(u16, iov->total, (u16)num_vfs_param); |
| |
| /* allocate the vf array */ |
| bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) * |
| BNX2X_NR_VIRTFN(bp), GFP_KERNEL); |
| if (!bp->vfdb->vfs) { |
| BNX2X_ERR("failed to allocate vf array\n"); |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| /* Initial VF init - index and abs_vfid - nr_virtfn must be set */ |
| for_each_vf(bp, i) { |
| bnx2x_vf(bp, i, index) = i; |
| bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i; |
| bnx2x_vf(bp, i, state) = VF_FREE; |
| INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head)); |
| mutex_init(&bnx2x_vf(bp, i, op_mutex)); |
| bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE; |
| } |
| |
| /* re-read the IGU CAM for VFs - index and abs_vfid must be set */ |
| bnx2x_get_vf_igu_cam_info(bp); |
| |
| /* get the total queue count and allocate the global queue arrays */ |
| qcount = bnx2x_iov_get_max_queue_count(bp); |
| |
| /* allocate the queue arrays for all VFs */ |
| bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue), |
| GFP_KERNEL); |
| if (!bp->vfdb->vfqs) { |
| BNX2X_ERR("failed to allocate vf queue array\n"); |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| return 0; |
| failed: |
| DP(BNX2X_MSG_IOV, "Failed err=%d\n", err); |
| __bnx2x_iov_free_vfdb(bp); |
| return err; |
| } |
| |
| void bnx2x_iov_remove_one(struct bnx2x *bp) |
| { |
| /* if SRIOV is not enabled there's nothing to do */ |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| DP(BNX2X_MSG_IOV, "about to call disable sriov\n"); |
| pci_disable_sriov(bp->pdev); |
| DP(BNX2X_MSG_IOV, "sriov disabled\n"); |
| |
| /* free vf database */ |
| __bnx2x_iov_free_vfdb(bp); |
| } |
| |
| void bnx2x_iov_free_mem(struct bnx2x *bp) |
| { |
| int i; |
| |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| /* free vfs hw contexts */ |
| for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| struct hw_dma *cxt = &bp->vfdb->context[i]; |
| BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size); |
| } |
| |
| BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr, |
| BP_VFDB(bp)->sp_dma.mapping, |
| BP_VFDB(bp)->sp_dma.size); |
| |
| BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr, |
| BP_VF_MBX_DMA(bp)->mapping, |
| BP_VF_MBX_DMA(bp)->size); |
| |
| BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr, |
| BP_VF_BULLETIN_DMA(bp)->mapping, |
| BP_VF_BULLETIN_DMA(bp)->size); |
| } |
| |
| int bnx2x_iov_alloc_mem(struct bnx2x *bp) |
| { |
| size_t tot_size; |
| int i, rc = 0; |
| |
| if (!IS_SRIOV(bp)) |
| return rc; |
| |
| /* allocate vfs hw contexts */ |
| tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) * |
| BNX2X_CIDS_PER_VF * sizeof(union cdu_context); |
| |
| for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i); |
| cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ); |
| |
| if (cxt->size) { |
| BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size); |
| } else { |
| cxt->addr = NULL; |
| cxt->mapping = 0; |
| } |
| tot_size -= cxt->size; |
| } |
| |
| /* allocate vfs ramrods dma memory - client_init and set_mac */ |
| tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp); |
| BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping, |
| tot_size); |
| BP_VFDB(bp)->sp_dma.size = tot_size; |
| |
| /* allocate mailboxes */ |
| tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE; |
| BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping, |
| tot_size); |
| BP_VF_MBX_DMA(bp)->size = tot_size; |
| |
| /* allocate local bulletin boards */ |
| tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE; |
| BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr, |
| &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size); |
| BP_VF_BULLETIN_DMA(bp)->size = tot_size; |
| |
| return 0; |
| |
| alloc_mem_err: |
| return -ENOMEM; |
| } |
| |
| static void bnx2x_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); |
| unsigned long q_type = 0; |
| |
| set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
| set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
| |
| /* Queue State object */ |
| bnx2x_init_queue_obj(bp, &q->sp_obj, |
| cl_id, &q->cid, 1, func_id, |
| bnx2x_vf_sp(bp, vf, q_data), |
| bnx2x_vf_sp_map(bp, vf, q_data), |
| q_type); |
| |
| DP(BNX2X_MSG_IOV, |
| "initialized vf %d's queue object. func id set to %d\n", |
| vf->abs_vfid, q->sp_obj.func_id); |
| |
| /* mac/vlan objects are per queue, but only those |
| * that belong to the leading queue are initialized |
| */ |
| if (vfq_is_leading(q)) { |
| /* 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, |
| &bp->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, |
| &bp->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); |
| |
| vf->leading_rss = cl_id; |
| } |
| } |
| |
| /* called by bnx2x_nic_load */ |
| int bnx2x_iov_nic_init(struct bnx2x *bp) |
| { |
| int vfid, qcount, i; |
| |
| if (!IS_SRIOV(bp)) { |
| DP(BNX2X_MSG_IOV, "vfdb was not allocated\n"); |
| return 0; |
| } |
| |
| DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn); |
| |
| /* initialize vf database */ |
| for_each_vf(bp, vfid) { |
| struct bnx2x_virtf *vf = BP_VF(bp, vfid); |
| |
| int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) * |
| BNX2X_CIDS_PER_VF; |
| |
| union cdu_context *base_cxt = (union cdu_context *) |
| BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| |
| DP(BNX2X_MSG_IOV, |
| "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n", |
| vf->abs_vfid, vf_sb_count(vf), base_vf_cid, |
| BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt); |
| |
| /* init statically provisioned resources */ |
| bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| |
| /* queues are initialized during VF-ACQUIRE */ |
| |
| /* reserve the vf vlan credit */ |
| bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf)); |
| |
| vf->filter_state = 0; |
| vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id); |
| |
| /* init mcast object - This object will be re-initialized |
| * during VF-ACQUIRE with the proper cl_id and cid. |
| * It needs to be initialized here so that it can be safely |
| * handled by a subsequent FLR flow. |
| */ |
| bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF, |
| 0xFF, 0xFF, 0xFF, |
| 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); |
| |
| /* set the mailbox message addresses */ |
| BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *) |
| (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid * |
| MBX_MSG_ALIGNED_SIZE); |
| |
| BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping + |
| vfid * MBX_MSG_ALIGNED_SIZE; |
| |
| /* Enable vf mailbox */ |
| bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| } |
| |
| /* Final VF init */ |
| qcount = 0; |
| for_each_vf(bp, i) { |
| struct bnx2x_virtf *vf = BP_VF(bp, i); |
| |
| /* fill in the BDF and bars */ |
| vf->bus = bnx2x_vf_bus(bp, i); |
| vf->devfn = bnx2x_vf_devfn(bp, i); |
| bnx2x_vf_set_bars(bp, vf); |
| |
| DP(BNX2X_MSG_IOV, |
| "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n", |
| vf->abs_vfid, vf->bus, vf->devfn, |
| (unsigned)vf->bars[0].bar, vf->bars[0].size, |
| (unsigned)vf->bars[1].bar, vf->bars[1].size, |
| (unsigned)vf->bars[2].bar, vf->bars[2].size); |
| |
| /* set local queue arrays */ |
| vf->vfqs = &bp->vfdb->vfqs[qcount]; |
| qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| } |
| |
| return 0; |
| } |
| |
| /* called by bnx2x_chip_cleanup */ |
| int bnx2x_iov_chip_cleanup(struct bnx2x *bp) |
| { |
| int i; |
| |
| if (!IS_SRIOV(bp)) |
| return 0; |
| |
| /* release all the VFs */ |
| for_each_vf(bp, i) |
| bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */ |
| |
| return 0; |
| } |
| |
| /* called by bnx2x_init_hw_func, returns the next ilt line */ |
| int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) |
| { |
| int i; |
| struct bnx2x_ilt *ilt = BP_ILT(bp); |
| |
| if (!IS_SRIOV(bp)) |
| return line; |
| |
| /* set vfs ilt lines */ |
| for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i); |
| |
| ilt->lines[line+i].page = hw_cxt->addr; |
| ilt->lines[line+i].page_mapping = hw_cxt->mapping; |
| ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */ |
| } |
| return line + i; |
| } |
| |
| static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid) |
| { |
| return ((cid >= BNX2X_FIRST_VF_CID) && |
| ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS)); |
| } |
| |
| static |
| void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp, |
| struct bnx2x_vf_queue *vfq, |
| union event_ring_elem *elem) |
| { |
| unsigned long ramrod_flags = 0; |
| int rc = 0; |
| |
| /* Always push next commands out, don't wait here */ |
| set_bit(RAMROD_CONT, &ramrod_flags); |
| |
| switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) { |
| case BNX2X_FILTER_MAC_PENDING: |
| rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem, |
| &ramrod_flags); |
| break; |
| case BNX2X_FILTER_VLAN_PENDING: |
| rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem, |
| &ramrod_flags); |
| break; |
| default: |
| BNX2X_ERR("Unsupported classification command: %d\n", |
| elem->message.data.eth_event.echo); |
| return; |
| } |
| if (rc < 0) |
| BNX2X_ERR("Failed to schedule new commands: %d\n", rc); |
| else if (rc > 0) |
| DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n"); |
| } |
| |
| static |
| void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp, |
| struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_mcast_ramrod_params rparam = {NULL}; |
| int rc; |
| |
| rparam.mcast_obj = &vf->mcast_obj; |
| vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw); |
| |
| /* If there are pending mcast commands - send them */ |
| if (vf->mcast_obj.check_pending(&vf->mcast_obj)) { |
| rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); |
| if (rc < 0) |
| BNX2X_ERR("Failed to send pending mcast commands: %d\n", |
| rc); |
| } |
| } |
| |
| static |
| void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp, |
| struct bnx2x_virtf *vf) |
| { |
| smp_mb__before_clear_bit(); |
| clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| smp_mb__after_clear_bit(); |
| } |
| |
| int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem) |
| { |
| struct bnx2x_virtf *vf; |
| int qidx = 0, abs_vfid; |
| u8 opcode; |
| u16 cid = 0xffff; |
| |
| if (!IS_SRIOV(bp)) |
| return 1; |
| |
| /* first get the cid - the only events we handle here are cfc-delete |
| * and set-mac completion |
| */ |
| opcode = elem->message.opcode; |
| |
| switch (opcode) { |
| case EVENT_RING_OPCODE_CFC_DEL: |
| cid = SW_CID((__force __le32) |
| elem->message.data.cfc_del_event.cid); |
| DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid); |
| break; |
| case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| case EVENT_RING_OPCODE_MULTICAST_RULES: |
| case EVENT_RING_OPCODE_FILTERS_RULES: |
| cid = (elem->message.data.eth_event.echo & |
| BNX2X_SWCID_MASK); |
| DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid); |
| break; |
| case EVENT_RING_OPCODE_VF_FLR: |
| abs_vfid = elem->message.data.vf_flr_event.vf_id; |
| DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n", |
| abs_vfid); |
| goto get_vf; |
| case EVENT_RING_OPCODE_MALICIOUS_VF: |
| abs_vfid = elem->message.data.malicious_vf_event.vf_id; |
| DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d\n", |
| abs_vfid); |
| goto get_vf; |
| default: |
| return 1; |
| } |
| |
| /* check if the cid is the VF range */ |
| if (!bnx2x_iov_is_vf_cid(bp, cid)) { |
| DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid); |
| return 1; |
| } |
| |
| /* extract vf and rxq index from vf_cid - relies on the following: |
| * 1. vfid on cid reflects the true abs_vfid |
| * 2. the max number of VFs (per path) is 64 |
| */ |
| qidx = cid & ((1 << BNX2X_VF_CID_WND)-1); |
| abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| get_vf: |
| vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| |
| if (!vf) { |
| BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n", |
| cid, abs_vfid); |
| return 0; |
| } |
| |
| switch (opcode) { |
| case EVENT_RING_OPCODE_CFC_DEL: |
| DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n", |
| vf->abs_vfid, qidx); |
| vfq_get(vf, qidx)->sp_obj.complete_cmd(bp, |
| &vfq_get(vf, |
| qidx)->sp_obj, |
| BNX2X_Q_CMD_CFC_DEL); |
| break; |
| case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n", |
| vf->abs_vfid, qidx); |
| bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem); |
| break; |
| case EVENT_RING_OPCODE_MULTICAST_RULES: |
| DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n", |
| vf->abs_vfid, qidx); |
| bnx2x_vf_handle_mcast_eqe(bp, vf); |
| break; |
| case EVENT_RING_OPCODE_FILTERS_RULES: |
| DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n", |
| vf->abs_vfid, qidx); |
| bnx2x_vf_handle_filters_eqe(bp, vf); |
| break; |
| case EVENT_RING_OPCODE_VF_FLR: |
| DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n", |
| vf->abs_vfid); |
| /* Do nothing for now */ |
| break; |
| case EVENT_RING_OPCODE_MALICIOUS_VF: |
| DP(BNX2X_MSG_IOV, "got VF [%d] MALICIOUS notification\n", |
| vf->abs_vfid); |
| /* Do nothing for now */ |
| break; |
| } |
| /* SRIOV: reschedule any 'in_progress' operations */ |
| bnx2x_iov_sp_event(bp, cid, false); |
| |
| return 0; |
| } |
| |
| static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid) |
| { |
| /* extract the vf from vf_cid - relies on the following: |
| * 1. vfid on cid reflects the true abs_vfid |
| * 2. the max number of VFs (per path) is 64 |
| */ |
| int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| return bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| } |
| |
| void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, |
| struct bnx2x_queue_sp_obj **q_obj) |
| { |
| struct bnx2x_virtf *vf; |
| |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| vf = bnx2x_vf_by_cid(bp, vf_cid); |
| |
| if (vf) { |
| /* extract queue index from vf_cid - relies on the following: |
| * 1. vfid on cid reflects the true abs_vfid |
| * 2. the max number of VFs (per path) is 64 |
| */ |
| int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1); |
| *q_obj = &bnx2x_vfq(vf, q_index, sp_obj); |
| } else { |
| BNX2X_ERR("No vf matching cid %d\n", vf_cid); |
| } |
| } |
| |
| void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work) |
| { |
| struct bnx2x_virtf *vf; |
| |
| /* check if the cid is the VF range */ |
| if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid)) |
| return; |
| |
| vf = bnx2x_vf_by_cid(bp, vf_cid); |
| if (vf) { |
| /* set in_progress flag */ |
| atomic_set(&vf->op_in_progress, 1); |
| if (queue_work) |
| queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); |
| } |
| } |
| |
| void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) |
| { |
| int i; |
| int first_queue_query_index, num_queues_req; |
| dma_addr_t cur_data_offset; |
| struct stats_query_entry *cur_query_entry; |
| u8 stats_count = 0; |
| bool is_fcoe = false; |
| |
| if (!IS_SRIOV(bp)) |
| return; |
| |
| if (!NO_FCOE(bp)) |
| is_fcoe = true; |
| |
| /* fcoe adds one global request and one queue request */ |
| num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe; |
| first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - |
| (is_fcoe ? 0 : 1); |
| |
| DP(BNX2X_MSG_IOV, |
| "BNX2X_NUM_ETH_QUEUES %d, is_fcoe %d, first_queue_query_index %d => determined the last non virtual statistics query index is %d. Will add queries on top of that\n", |
| BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index, |
| first_queue_query_index + num_queues_req); |
| |
| cur_data_offset = bp->fw_stats_data_mapping + |
| offsetof(struct bnx2x_fw_stats_data, queue_stats) + |
| num_queues_req * sizeof(struct per_queue_stats); |
| |
| cur_query_entry = &bp->fw_stats_req-> |
| query[first_queue_query_index + num_queues_req]; |
| |
| for_each_vf(bp, i) { |
| int j; |
| struct bnx2x_virtf *vf = BP_VF(bp, i); |
| |
| if (vf->state != VF_ENABLED) { |
| DP(BNX2X_MSG_IOV, |
| "vf %d not enabled so no stats for it\n", |
| vf->abs_vfid); |
| continue; |
| } |
| |
| DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); |
| for_each_vfq(vf, j) { |
| struct bnx2x_vf_queue *rxq = vfq_get(vf, j); |
| |
| /* collect stats fro active queues only */ |
| if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) == |
| BNX2X_Q_LOGICAL_STATE_STOPPED) |
| continue; |
| |
| /* create stats query entry for this queue */ |
| cur_query_entry->kind = STATS_TYPE_QUEUE; |
| cur_query_entry->index = vfq_cl_id(vf, rxq); |
| cur_query_entry->funcID = |
| cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid)); |
| cur_query_entry->address.hi = |
| cpu_to_le32(U64_HI(vf->fw_stat_map)); |
| cur_query_entry->address.lo = |
| cpu_to_le32(U64_LO(vf->fw_stat_map)); |
| DP(BNX2X_MSG_IOV, |
| "added address %x %x for vf %d queue %d client %d\n", |
| cur_query_entry->address.hi, |
| cur_query_entry->address.lo, cur_query_entry->funcID, |
| j, cur_query_entry->index); |
| cur_query_entry++; |
| cur_data_offset += sizeof(struct per_queue_stats); |
| stats_count++; |
| } |
| } |
| bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count; |
| } |
| |
| void bnx2x_iov_sp_task(struct bnx2x *bp) |
| { |
| int i; |
| |
| if (!IS_SRIOV(bp)) |
| return; |
| /* Iterate over all VFs and invoke state transition for VFs with |
| * 'in-progress' slow-path operations |
| */ |
| DP(BNX2X_MSG_IOV, "searching for pending vf operations\n"); |
| for_each_vf(bp, i) { |
| struct bnx2x_virtf *vf = BP_VF(bp, i); |
| |
| if (!list_empty(&vf->op_list_head) && |
| atomic_read(&vf->op_in_progress)) { |
| DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i); |
| bnx2x_vfop_cur(bp, vf)->transition(bp, vf); |
| } |
| } |
| } |
| |
| static inline |
| struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id) |
| { |
| int i; |
| struct bnx2x_virtf *vf = NULL; |
| |
| for_each_vf(bp, i) { |
| vf = BP_VF(bp, i); |
| if (stat_id >= vf->igu_base_id && |
| stat_id < vf->igu_base_id + vf_sb_count(vf)) |
| break; |
| } |
| return vf; |
| } |
| |
| /* VF API helpers */ |
| static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid, |
| u8 enable) |
| { |
| u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4; |
| u32 val = enable ? (abs_vfid | (1 << 6)) : 0; |
| |
| REG_WR(bp, reg, val); |
| } |
| |
| static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| int i; |
| |
| for_each_vfq(vf, i) |
| bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| vfq_qzone_id(vf, vfq_get(vf, i)), false); |
| } |
| |
| static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| u32 val; |
| |
| /* clear the VF configuration - pretend */ |
| bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN | |
| IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK); |
| REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| } |
| |
| u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF), |
| BNX2X_VF_MAX_QUEUES); |
| } |
| |
| static |
| int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct vf_pf_resc_request *req_resc) |
| { |
| u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| |
| return ((req_resc->num_rxqs <= rxq_cnt) && |
| (req_resc->num_txqs <= txq_cnt) && |
| (req_resc->num_sbs <= vf_sb_count(vf)) && |
| (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) && |
| (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf))); |
| } |
| |
| /* CORE VF API */ |
| int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct vf_pf_resc_request *resc) |
| { |
| int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) * |
| BNX2X_CIDS_PER_VF; |
| |
| union cdu_context *base_cxt = (union cdu_context *) |
| BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| int i; |
| |
| /* if state is 'acquired' the VF was not released or FLR'd, in |
| * this case the returned resources match the acquired already |
| * acquired resources. Verify that the requested numbers do |
| * not exceed the already acquired numbers. |
| */ |
| if (vf->state == VF_ACQUIRED) { |
| DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n", |
| vf->abs_vfid); |
| |
| if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n", |
| vf->abs_vfid); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* Otherwise vf state must be 'free' or 'reset' */ |
| if (vf->state != VF_FREE && vf->state != VF_RESET) { |
| BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n", |
| vf->abs_vfid, vf->state); |
| return -EINVAL; |
| } |
| |
| /* static allocation: |
| * the global maximum number are fixed per VF. fail the request if |
| * requested number exceed these globals |
| */ |
| if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| DP(BNX2X_MSG_IOV, |
| "cannot fulfill vf resource request. Placing maximal available values in response\n"); |
| /* set the max resource in the vf */ |
| return -ENOMEM; |
| } |
| |
| /* Set resources counters - 0 request means max available */ |
| vf_sb_count(vf) = resc->num_sbs; |
| vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| if (resc->num_mac_filters) |
| vf_mac_rules_cnt(vf) = resc->num_mac_filters; |
| if (resc->num_vlan_filters) |
| vf_vlan_rules_cnt(vf) = resc->num_vlan_filters; |
| |
| DP(BNX2X_MSG_IOV, |
| "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n", |
| vf_sb_count(vf), vf_rxq_count(vf), |
| vf_txq_count(vf), vf_mac_rules_cnt(vf), |
| vf_vlan_rules_cnt(vf)); |
| |
| /* Initialize the queues */ |
| if (!vf->vfqs) { |
| DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n"); |
| return -EINVAL; |
| } |
| |
| for_each_vfq(vf, i) { |
| struct bnx2x_vf_queue *q = vfq_get(vf, i); |
| |
| if (!q) { |
| DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i); |
| return -EINVAL; |
| } |
| |
| q->index = i; |
| q->cxt = &((base_cxt + i)->eth); |
| q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i; |
| |
| DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n", |
| vf->abs_vfid, i, q->index, q->cid, q->cxt); |
| |
| /* init SP objects */ |
| bnx2x_vfq_init(bp, vf, q); |
| } |
| vf->state = VF_ACQUIRED; |
| return 0; |
| } |
| |
| int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) |
| { |
| struct bnx2x_func_init_params func_init = {0}; |
| u16 flags = 0; |
| int i; |
| |
| /* the sb resources are initialized at this point, do the |
| * FW/HW initializations |
| */ |
| for_each_vf_sb(vf, i) |
| bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true, |
| vf_igu_sb(vf, i), vf_igu_sb(vf, i)); |
| |
| /* Sanity checks */ |
| if (vf->state != VF_ACQUIRED) { |
| DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n", |
| vf->abs_vfid, vf->state); |
| return -EINVAL; |
| } |
| /* FLR cleanup epilogue */ |
| if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid)) |
| return -EBUSY; |
| |
| /* reset IGU VF statistics: MSIX */ |
| REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0); |
| |
| /* vf init */ |
| if (vf->cfg_flags & VF_CFG_STATS) |
| flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ); |
| |
| if (vf->cfg_flags & VF_CFG_TPA) |
| flags |= FUNC_FLG_TPA; |
| |
| if (is_vf_multi(vf)) |
| flags |= FUNC_FLG_RSS; |
| |
| /* function setup */ |
| func_init.func_flgs = flags; |
| func_init.pf_id = BP_FUNC(bp); |
| func_init.func_id = FW_VF_HANDLE(vf->abs_vfid); |
| func_init.fw_stat_map = vf->fw_stat_map; |
| func_init.spq_map = vf->spq_map; |
| func_init.spq_prod = 0; |
| bnx2x_func_init(bp, &func_init); |
| |
| /* Enable the vf */ |
| bnx2x_vf_enable_access(bp, vf->abs_vfid); |
| bnx2x_vf_enable_traffic(bp, vf); |
| |
| /* queue protection table */ |
| for_each_vfq(vf, i) |
| bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| vfq_qzone_id(vf, vfq_get(vf, i)), true); |
| |
| vf->state = VF_ENABLED; |
| |
| /* update vf bulletin board */ |
| bnx2x_post_vf_bulletin(bp, vf->index); |
| |
| return 0; |
| } |
| |
| /* VFOP close (teardown the queues, delete mcasts and close HW) */ |
| static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| enum bnx2x_vfop_close_state state = vfop->state; |
| struct bnx2x_vfop_cmd cmd = { |
| .done = bnx2x_vfop_close, |
| .block = false, |
| }; |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| |
| switch (state) { |
| case BNX2X_VFOP_CLOSE_QUEUES: |
| |
| if (++(qx->qid) < vf_rxq_count(vf)) { |
| vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| } |
| |
| /* remove multicasts */ |
| vfop->state = BNX2X_VFOP_CLOSE_HW; |
| vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case BNX2X_VFOP_CLOSE_HW: |
| |
| /* disable the interrupts */ |
| DP(BNX2X_MSG_IOV, "disabling igu\n"); |
| bnx2x_vf_igu_disable(bp, vf); |
| |
| /* disable the VF */ |
| DP(BNX2X_MSG_IOV, "clearing qtbl\n"); |
| bnx2x_vf_clr_qtbl(bp, vf); |
| |
| goto op_done; |
| default: |
| bnx2x_vfop_default(state); |
| } |
| op_err: |
| BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| op_done: |
| vf->state = VF_ACQUIRED; |
| DP(BNX2X_MSG_IOV, "set state to acquired\n"); |
| bnx2x_vfop_end(bp, vf, vfop); |
| } |
| |
| int bnx2x_vfop_close_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| if (vfop) { |
| vfop->args.qx.qid = -1; /* loop */ |
| bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES, |
| bnx2x_vfop_close, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VF release can be called either: 1. the VF was acquired but |
| * not enabled 2. the vf was enabled or in the process of being |
| * enabled |
| */ |
| static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| struct bnx2x_vfop_cmd cmd = { |
| .done = bnx2x_vfop_release, |
| .block = false, |
| }; |
| |
| DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| |
| if (vfop->rc < 0) |
| goto op_err; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, |
| vf->state == VF_FREE ? "Free" : |
| vf->state == VF_ACQUIRED ? "Acquired" : |
| vf->state == VF_ENABLED ? "Enabled" : |
| vf->state == VF_RESET ? "Reset" : |
| "Unknown"); |
| |
| switch (vf->state) { |
| case VF_ENABLED: |
| vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); |
| if (vfop->rc) |
| goto op_err; |
| return; |
| |
| case VF_ACQUIRED: |
| DP(BNX2X_MSG_IOV, "about to free resources\n"); |
| bnx2x_vf_free_resc(bp, vf); |
| DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| goto op_done; |
| |
| case VF_FREE: |
| case VF_RESET: |
| /* do nothing */ |
| goto op_done; |
| default: |
| bnx2x_vfop_default(vf->state); |
| } |
| op_err: |
| BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| op_done: |
| bnx2x_vfop_end(bp, vf, vfop); |
| } |
| |
| int bnx2x_vfop_release_cmd(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vfop_cmd *cmd) |
| { |
| struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| if (vfop) { |
| bnx2x_vfop_opset(-1, /* use vf->state */ |
| bnx2x_vfop_release, cmd->done); |
| return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release, |
| cmd->block); |
| } |
| return -ENOMEM; |
| } |
| |
| /* VF release ~ VF close + VF release-resources |
| * Release is the ultimate SW shutdown and is called whenever an |
| * irrecoverable error is encountered. |
| */ |
| void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block) |
| { |
| struct bnx2x_vfop_cmd cmd = { |
| .done = NULL, |
| .block = block, |
| }; |
| int rc; |
| bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
| |
| rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); |
| if (rc) |
| WARN(rc, |
| "VF[%d] Failed to allocate resources for release op- rc=%d\n", |
| vf->abs_vfid, rc); |
| } |
| |
| static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, u32 *sbdf) |
| { |
| *sbdf = vf->devfn | (vf->bus << 8); |
| } |
| |
| static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_bar_info *bar_info) |
| { |
| int n; |
| |
| bar_info->nr_bars = bp->vfdb->sriov.nres; |
| for (n = 0; n < bar_info->nr_bars; n++) |
| bar_info->bars[n] = vf->bars[n]; |
| } |
| |
| void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| enum channel_tlvs tlv) |
| { |
| /* lock the channel */ |
| mutex_lock(&vf->op_mutex); |
| |
| /* record the locking op */ |
| vf->op_current = tlv; |
| |
| /* log the lock */ |
| DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n", |
| vf->abs_vfid, tlv); |
| } |
| |
| void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| enum channel_tlvs expected_tlv) |
| { |
| WARN(expected_tlv != vf->op_current, |
| "lock mismatch: expected %d found %d", expected_tlv, |
| vf->op_current); |
| |
| /* lock the channel */ |
| mutex_unlock(&vf->op_mutex); |
| |
| /* log the unlock */ |
| DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n", |
| vf->abs_vfid, vf->op_current); |
| |
| /* record the locking op */ |
| vf->op_current = CHANNEL_TLV_NONE; |
| } |
| |
| void bnx2x_enable_sriov(struct bnx2x *bp) |
| { |
| int rc = 0; |
| |
| /* disbale sriov in case it is still enabled */ |
| pci_disable_sriov(bp->pdev); |
| DP(BNX2X_MSG_IOV, "sriov disabled\n"); |
| |
| /* enable sriov */ |
| DP(BNX2X_MSG_IOV, "vf num (%d)\n", (bp->vfdb->sriov.nr_virtfn)); |
| rc = pci_enable_sriov(bp->pdev, (bp->vfdb->sriov.nr_virtfn)); |
| if (rc) |
| BNX2X_ERR("pci_enable_sriov failed with %d\n", rc); |
| else |
| DP(BNX2X_MSG_IOV, "sriov enabled\n"); |
| } |
| |
| void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) |
| { |
| int vfidx; |
| struct pf_vf_bulletin_content *bulletin; |
| |
| DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n"); |
| for_each_vf(bp, vfidx) { |
| bulletin = BP_VF_BULLETIN(bp, vfidx); |
| if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN) |
| bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0); |
| } |
| } |
| |
| static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx, |
| struct bnx2x_virtf *vf) |
| { |
| if (!IS_SRIOV(bp)) { |
| BNX2X_ERR("vf ndo called though sriov is disabled\n"); |
| return -EINVAL; |
| } |
| |
| if (vfidx >= BNX2X_NR_VIRTFN(bp)) { |
| BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n", |
| vfidx, BNX2X_NR_VIRTFN(bp)); |
| return -EINVAL; |
| } |
| |
| if (!vf) { |
| BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n", |
| vfidx); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| int bnx2x_get_vf_config(struct net_device *dev, int vfidx, |
| struct ifla_vf_info *ivi) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); |
| struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| int rc; |
| |
| /* sanity */ |
| rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| if (rc) |
| return rc; |
| |
| ivi->vf = vfidx; |
| ivi->qos = 0; |
| ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */ |
| ivi->spoofchk = 1; /*always enabled */ |
| if (vf->state == VF_ENABLED) { |
| /* mac and vlan are in vlan_mac objects */ |
| mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac, |
| 0, ETH_ALEN); |
| vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan, |
| 0, VLAN_HLEN); |
| } else { |
| /* mac */ |
| if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID)) |
| /* mac configured by ndo so its in bulletin board */ |
| memcpy(&ivi->mac, bulletin->mac, ETH_ALEN); |
| else |
| /* funtion has not been loaded yet. Show mac as 0s */ |
| memset(&ivi->mac, 0, ETH_ALEN); |
| |
| /* vlan */ |
| if (bulletin->valid_bitmap & (1 << VLAN_VALID)) |
| /* vlan configured by ndo so its in bulletin board */ |
| memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN); |
| else |
| /* funtion has not been loaded yet. Show vlans as 0s */ |
| memset(&ivi->vlan, 0, VLAN_HLEN); |
| } |
| |
| return 0; |
| } |
| |
| /* New mac for VF. Consider these cases: |
| * 1. VF hasn't been acquired yet - save the mac in local bulletin board and |
| * supply at acquire. |
| * 2. VF has already been acquired but has not yet initialized - store in local |
| * bulletin board. mac will be posted on VF bulletin board after VF init. VF |
| * will configure this mac when it is ready. |
| * 3. VF has already initialized but has not yet setup a queue - post the new |
| * mac on VF's bulletin board right now. VF will configure this mac when it |
| * is ready. |
| * 4. VF has already set a queue - delete any macs already configured for this |
| * queue and manually config the new mac. |
| * In any event, once this function has been called refuse any attempts by the |
| * VF to configure any mac for itself except for this mac. In case of a race |
| * where the VF fails to see the new post on its bulletin board before sending a |
| * mac configuration request, the PF will simply fail the request and VF can try |
| * again after consulting its bulletin board. |
| */ |
| int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc, q_logical_state; |
| struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| |
| /* sanity */ |
| rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| if (rc) |
| return rc; |
| if (!is_valid_ether_addr(mac)) { |
| BNX2X_ERR("mac address invalid\n"); |
| return -EINVAL; |
| } |
| |
| /* update PF's copy of the VF's bulletin. will no longer accept mac |
| * configuration requests from vf unless match this mac |
| */ |
| bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID; |
| memcpy(bulletin->mac, mac, ETH_ALEN); |
| |
| /* Post update on VF's bulletin board */ |
| rc = bnx2x_post_vf_bulletin(bp, vfidx); |
| if (rc) { |
| BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx); |
| return rc; |
| } |
| |
| /* is vf initialized and queue set up? */ |
| q_logical_state = |
| bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj)); |
| if (vf->state == VF_ENABLED && |
| q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| /* configure the mac in device on this vf's queue */ |
| unsigned long ramrod_flags = 0; |
| struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); |
| |
| /* must lock vfpf channel to protect against vf flows */ |
| bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
| |
| /* remove existing eth macs */ |
| rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true); |
| if (rc) { |
| BNX2X_ERR("failed to delete eth macs\n"); |
| return -EINVAL; |
| } |
| |
| /* remove existing uc list macs */ |
| rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true); |
| if (rc) { |
| BNX2X_ERR("failed to delete uc_list macs\n"); |
| return -EINVAL; |
| } |
| |
| /* configure the new mac to device */ |
| __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
| bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true, |
| BNX2X_ETH_MAC, &ramrod_flags); |
| |
| bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
| } |
| |
| return 0; |
| } |
| |
| int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| int rc, q_logical_state; |
| struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| |
| /* sanity */ |
| rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| if (rc) |
| return rc; |
| |
| if (vlan > 4095) { |
| BNX2X_ERR("illegal vlan value %d\n", vlan); |
| return -EINVAL; |
| } |
| |
| DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n", |
| vfidx, vlan, 0); |
| |
| /* update PF's copy of the VF's bulletin. No point in posting the vlan |
| * to the VF since it doesn't have anything to do with it. But it useful |
| * to store it here in case the VF is not up yet and we can only |
| * configure the vlan later when it does. |
| */ |
| bulletin->valid_bitmap |= 1 << VLAN_VALID; |
| bulletin->vlan = vlan; |
| |
| /* is vf initialized and queue set up? */ |
| q_logical_state = |
| bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj)); |
| if (vf->state == VF_ENABLED && |
| q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| /* configure the vlan in device on this vf's queue */ |
| unsigned long ramrod_flags = 0; |
| unsigned long vlan_mac_flags = 0; |
| struct bnx2x_vlan_mac_obj *vlan_obj = |
| &bnx2x_vfq(vf, 0, vlan_obj); |
| struct bnx2x_vlan_mac_ramrod_params ramrod_param; |
| struct bnx2x_queue_state_params q_params = {NULL}; |
| struct bnx2x_queue_update_params *update_params; |
| |
| memset(&ramrod_param, 0, sizeof(ramrod_param)); |
| |
| /* must lock vfpf channel to protect against vf flows */ |
| bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); |
| |
| /* remove existing vlans */ |
| __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
| rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, |
| &ramrod_flags); |
| if (rc) { |
| BNX2X_ERR("failed to delete vlans\n"); |
| return -EINVAL; |
| } |
| |
| /* send queue update ramrod to configure default vlan and silent |
| * vlan removal |
| */ |
| __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); |
| q_params.cmd = BNX2X_Q_CMD_UPDATE; |
| q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj); |
| update_params = &q_params.params.update; |
| __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, |
| &update_params->update_flags); |
| __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, |
| &update_params->update_flags); |
| |
| if (vlan == 0) { |
| /* if vlan is 0 then we want to leave the VF traffic |
| * untagged, and leave the incoming traffic untouched |
| * (i.e. do not remove any vlan tags). |
| */ |
| __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, |
| &update_params->update_flags); |
| __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, |
| &update_params->update_flags); |
| } else { |
| /* configure the new vlan to device */ |
| __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
| ramrod_param.vlan_mac_obj = vlan_obj; |
| ramrod_param.ramrod_flags = ramrod_flags; |
| ramrod_param.user_req.u.vlan.vlan = vlan; |
| ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; |
| rc = bnx2x_config_vlan_mac(bp, &ramrod_param); |
| if (rc) { |
| BNX2X_ERR("failed to configure vlan\n"); |
| return -EINVAL; |
| } |
| |
| /* configure default vlan to vf queue and set silent |
| * vlan removal (the vf remains unaware of this vlan). |
| */ |
| update_params = &q_params.params.update; |
| __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, |
| &update_params->update_flags); |
| __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, |
| &update_params->update_flags); |
| update_params->def_vlan = vlan; |
| } |
| |
| /* Update the Queue state */ |
| rc = bnx2x_queue_state_change(bp, &q_params); |
| if (rc) { |
| BNX2X_ERR("Failed to configure default VLAN\n"); |
| return rc; |
| } |
| |
| /* clear the flag indicating that this VF needs its vlan |
| * (will only be set if the HV configured th Vlan before vf was |
| * and we were called because the VF came up later |
| */ |
| vf->cfg_flags &= ~VF_CFG_VLAN; |
| |
| bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); |
| } |
| return 0; |
| } |
| |
| /* crc is the first field in the bulletin board. compute the crc over the |
| * entire bulletin board excluding the crc field itself |
| */ |
| u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp, |
| struct pf_vf_bulletin_content *bulletin) |
| { |
| return crc32(BULLETIN_CRC_SEED, |
| ((u8 *)bulletin) + sizeof(bulletin->crc), |
| bulletin->length - sizeof(bulletin->crc)); |
| } |
| |
| /* Check for new posts on the bulletin board */ |
| enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp) |
| { |
| struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; |
| int attempts; |
| |
| /* bulletin board hasn't changed since last sample */ |
| if (bp->old_bulletin.version == bulletin.version) |
| return PFVF_BULLETIN_UNCHANGED; |
| |
| /* validate crc of new bulletin board */ |
| if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) { |
| /* sampling structure in mid post may result with corrupted data |
| * validate crc to ensure coherency. |
| */ |
| for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) { |
| bulletin = bp->pf2vf_bulletin->content; |
| if (bulletin.crc == bnx2x_crc_vf_bulletin(bp, |
| &bulletin)) |
| break; |
| BNX2X_ERR("bad crc on bulletin board. contained %x computed %x\n", |
| bulletin.crc, |
| bnx2x_crc_vf_bulletin(bp, &bulletin)); |
| } |
| if (attempts >= BULLETIN_ATTEMPTS) { |
| BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n", |
| attempts); |
| return PFVF_BULLETIN_CRC_ERR; |
| } |
| } |
| |
| /* the mac address in bulletin board is valid and is new */ |
| if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID && |
| memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) { |
| /* update new mac to net device */ |
| memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); |
| } |
| |
| /* the vlan in bulletin board is valid and is new */ |
| if (bulletin.valid_bitmap & 1 << VLAN_VALID) |
| memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN); |
| |
| /* copy new bulletin board to bp */ |
| bp->old_bulletin = bulletin; |
| |
| return PFVF_BULLETIN_UPDATED; |
| } |
| |
| void bnx2x_vf_map_doorbells(struct bnx2x *bp) |
| { |
| /* vf doorbells are embedded within the regview */ |
| bp->doorbells = bp->regview + PXP_VF_ADDR_DB_START; |
| } |
| |
| int bnx2x_vf_pci_alloc(struct bnx2x *bp) |
| { |
| /* allocate vf2pf mailbox for vf to pf channel */ |
| BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping, |
| sizeof(struct bnx2x_vf_mbx_msg)); |
| |
| /* allocate pf 2 vf bulletin board */ |
| BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping, |
| sizeof(union pf_vf_bulletin)); |
| |
| return 0; |
| |
| alloc_mem_err: |
| BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, |
| sizeof(struct bnx2x_vf_mbx_msg)); |
| BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, |
| sizeof(union pf_vf_bulletin)); |
| return -ENOMEM; |
| } |