| /* bnx2x_vfpf.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_cmn.h" |
| #include <linux/crc32.h> |
| |
| static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx); |
| |
| /* place a given tlv on the tlv buffer at a given offset */ |
| static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, |
| u16 offset, u16 type, u16 length) |
| { |
| struct channel_tlv *tl = |
| (struct channel_tlv *)(tlvs_list + offset); |
| |
| tl->type = type; |
| tl->length = length; |
| } |
| |
| /* Clear the mailbox and init the header of the first tlv */ |
| static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, |
| u16 type, u16 length) |
| { |
| mutex_lock(&bp->vf2pf_mutex); |
| |
| DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", |
| type); |
| |
| /* Clear mailbox */ |
| memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); |
| |
| /* init type and length */ |
| bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); |
| |
| /* init first tlv header */ |
| first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); |
| } |
| |
| /* releases the mailbox */ |
| static void bnx2x_vfpf_finalize(struct bnx2x *bp, |
| struct vfpf_first_tlv *first_tlv) |
| { |
| DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", |
| first_tlv->tl.type); |
| |
| mutex_unlock(&bp->vf2pf_mutex); |
| } |
| |
| /* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */ |
| static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list, |
| enum channel_tlvs req_tlv) |
| { |
| struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; |
| |
| do { |
| if (tlv->type == req_tlv) |
| return tlv; |
| |
| if (!tlv->length) { |
| BNX2X_ERR("Found TLV with length 0\n"); |
| return NULL; |
| } |
| |
| tlvs_list += tlv->length; |
| tlv = (struct channel_tlv *)tlvs_list; |
| } while (tlv->type != CHANNEL_TLV_LIST_END); |
| |
| DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv); |
| |
| return NULL; |
| } |
| |
| /* list the types and lengths of the tlvs on the buffer */ |
| static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) |
| { |
| int i = 1; |
| struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; |
| |
| while (tlv->type != CHANNEL_TLV_LIST_END) { |
| /* output tlv */ |
| DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, |
| tlv->type, tlv->length); |
| |
| /* advance to next tlv */ |
| tlvs_list += tlv->length; |
| |
| /* cast general tlv list pointer to channel tlv header*/ |
| tlv = (struct channel_tlv *)tlvs_list; |
| |
| i++; |
| |
| /* break condition for this loop */ |
| if (i > MAX_TLVS_IN_LIST) { |
| WARN(true, "corrupt tlvs"); |
| return; |
| } |
| } |
| |
| /* output last tlv */ |
| DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, |
| tlv->type, tlv->length); |
| } |
| |
| /* test whether we support a tlv type */ |
| bool bnx2x_tlv_supported(u16 tlvtype) |
| { |
| return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; |
| } |
| |
| static inline int bnx2x_pfvf_status_codes(int rc) |
| { |
| switch (rc) { |
| case 0: |
| return PFVF_STATUS_SUCCESS; |
| case -ENOMEM: |
| return PFVF_STATUS_NO_RESOURCE; |
| default: |
| return PFVF_STATUS_FAILURE; |
| } |
| } |
| |
| static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) |
| { |
| struct cstorm_vf_zone_data __iomem *zone_data = |
| REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); |
| int tout = 100, interval = 100; /* wait for 10 seconds */ |
| |
| if (*done) { |
| BNX2X_ERR("done was non zero before message to pf was sent\n"); |
| WARN_ON(true); |
| return -EINVAL; |
| } |
| |
| /* if PF indicated channel is down avoid sending message. Return success |
| * so calling flow can continue |
| */ |
| bnx2x_sample_bulletin(bp); |
| if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { |
| DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n"); |
| *done = PFVF_STATUS_SUCCESS; |
| return -EINVAL; |
| } |
| |
| /* Write message address */ |
| writel(U64_LO(msg_mapping), |
| &zone_data->non_trigger.vf_pf_channel.msg_addr_lo); |
| writel(U64_HI(msg_mapping), |
| &zone_data->non_trigger.vf_pf_channel.msg_addr_hi); |
| |
| /* make sure the address is written before FW accesses it */ |
| wmb(); |
| |
| /* Trigger the PF FW */ |
| writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid); |
| |
| /* Wait for PF to complete */ |
| while ((tout >= 0) && (!*done)) { |
| msleep(interval); |
| tout -= 1; |
| |
| /* progress indicator - HV can take its own sweet time in |
| * answering VFs... |
| */ |
| DP_CONT(BNX2X_MSG_IOV, "."); |
| } |
| |
| if (!*done) { |
| BNX2X_ERR("PF response has timed out\n"); |
| return -EAGAIN; |
| } |
| DP(BNX2X_MSG_SP, "Got a response from PF\n"); |
| return 0; |
| } |
| |
| static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) |
| { |
| u32 me_reg; |
| int tout = 10, interval = 100; /* Wait for 1 sec */ |
| |
| do { |
| /* pxp traps vf read of doorbells and returns me reg value */ |
| me_reg = readl(bp->doorbells); |
| if (GOOD_ME_REG(me_reg)) |
| break; |
| |
| msleep(interval); |
| |
| BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", |
| me_reg); |
| } while (tout-- > 0); |
| |
| if (!GOOD_ME_REG(me_reg)) { |
| BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); |
| return -EINVAL; |
| } |
| |
| DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); |
| |
| *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; |
| |
| return 0; |
| } |
| |
| int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) |
| { |
| int rc = 0, attempts = 0; |
| struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; |
| struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; |
| struct vfpf_port_phys_id_resp_tlv *phys_port_resp; |
| u32 vf_id; |
| bool resources_acquired = false; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); |
| |
| if (bnx2x_get_vf_id(bp, &vf_id)) { |
| rc = -EAGAIN; |
| goto out; |
| } |
| |
| req->vfdev_info.vf_id = vf_id; |
| req->vfdev_info.vf_os = 0; |
| |
| req->resc_request.num_rxqs = rx_count; |
| req->resc_request.num_txqs = tx_count; |
| req->resc_request.num_sbs = bp->igu_sb_cnt; |
| req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; |
| req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; |
| |
| /* pf 2 vf bulletin board address */ |
| req->bulletin_addr = bp->pf2vf_bulletin_mapping; |
| |
| /* Request physical port identifier */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, |
| CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, |
| req->first_tlv.tl.length + sizeof(struct channel_tlv), |
| CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| while (!resources_acquired) { |
| DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); |
| |
| /* send acquire request */ |
| rc = bnx2x_send_msg2pf(bp, |
| &resp->hdr.status, |
| bp->vf2pf_mbox_mapping); |
| |
| /* PF timeout */ |
| if (rc) |
| goto out; |
| |
| /* copy acquire response from buffer to bp */ |
| memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); |
| |
| attempts++; |
| |
| /* test whether the PF accepted our request. If not, humble |
| * the request and try again. |
| */ |
| if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { |
| DP(BNX2X_MSG_SP, "resources acquired\n"); |
| resources_acquired = true; |
| } else if (bp->acquire_resp.hdr.status == |
| PFVF_STATUS_NO_RESOURCE && |
| attempts < VF_ACQUIRE_THRESH) { |
| DP(BNX2X_MSG_SP, |
| "PF unwilling to fulfill resource request. Try PF recommended amount\n"); |
| |
| /* humble our request */ |
| req->resc_request.num_txqs = |
| min(req->resc_request.num_txqs, |
| bp->acquire_resp.resc.num_txqs); |
| req->resc_request.num_rxqs = |
| min(req->resc_request.num_rxqs, |
| bp->acquire_resp.resc.num_rxqs); |
| req->resc_request.num_sbs = |
| min(req->resc_request.num_sbs, |
| bp->acquire_resp.resc.num_sbs); |
| req->resc_request.num_mac_filters = |
| min(req->resc_request.num_mac_filters, |
| bp->acquire_resp.resc.num_mac_filters); |
| req->resc_request.num_vlan_filters = |
| min(req->resc_request.num_vlan_filters, |
| bp->acquire_resp.resc.num_vlan_filters); |
| req->resc_request.num_mc_filters = |
| min(req->resc_request.num_mc_filters, |
| bp->acquire_resp.resc.num_mc_filters); |
| |
| /* Clear response buffer */ |
| memset(&bp->vf2pf_mbox->resp, 0, |
| sizeof(union pfvf_tlvs)); |
| } else { |
| /* PF reports error */ |
| BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", |
| bp->acquire_resp.hdr.status); |
| rc = -EAGAIN; |
| goto out; |
| } |
| } |
| |
| /* Retrieve physical port id (if possible) */ |
| phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) |
| bnx2x_search_tlv_list(bp, resp, |
| CHANNEL_TLV_PHYS_PORT_ID); |
| if (phys_port_resp) { |
| memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); |
| bp->flags |= HAS_PHYS_PORT_ID; |
| } |
| |
| /* get HW info */ |
| bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); |
| bp->link_params.chip_id = bp->common.chip_id; |
| bp->db_size = bp->acquire_resp.pfdev_info.db_size; |
| bp->common.int_block = INT_BLOCK_IGU; |
| bp->common.chip_port_mode = CHIP_2_PORT_MODE; |
| bp->igu_dsb_id = -1; |
| bp->mf_ov = 0; |
| bp->mf_mode = 0; |
| bp->common.flash_size = 0; |
| bp->flags |= |
| NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; |
| bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; |
| bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; |
| strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, |
| sizeof(bp->fw_ver)); |
| |
| if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) |
| memcpy(bp->dev->dev_addr, |
| bp->acquire_resp.resc.current_mac_addr, |
| ETH_ALEN); |
| |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| return rc; |
| } |
| |
| int bnx2x_vfpf_release(struct bnx2x *bp) |
| { |
| struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| u32 rc, vf_id; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); |
| |
| if (bnx2x_get_vf_id(bp, &vf_id)) { |
| rc = -EAGAIN; |
| goto out; |
| } |
| |
| req->vf_id = vf_id; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| /* send release request */ |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| |
| if (rc) |
| /* PF timeout */ |
| goto out; |
| |
| if (resp->hdr.status == PFVF_STATUS_SUCCESS) { |
| /* PF released us */ |
| DP(BNX2X_MSG_SP, "vf released\n"); |
| } else { |
| /* PF reports error */ |
| BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", |
| resp->hdr.status); |
| rc = -EAGAIN; |
| goto out; |
| } |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| /* Tell PF about SB addresses */ |
| int bnx2x_vfpf_init(struct bnx2x *bp) |
| { |
| struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| int rc, i; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); |
| |
| /* status blocks */ |
| for_each_eth_queue(bp, i) |
| req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, |
| status_blk_mapping); |
| |
| /* statistics - requests only supports single queue for now */ |
| req->stats_addr = bp->fw_stats_data_mapping + |
| offsetof(struct bnx2x_fw_stats_data, queue_stats); |
| |
| req->stats_stride = sizeof(struct per_queue_stats); |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) |
| goto out; |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("INIT VF failed: %d. Breaking...\n", |
| resp->hdr.status); |
| rc = -EAGAIN; |
| goto out; |
| } |
| |
| DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| /* CLOSE VF - opposite to INIT_VF */ |
| void bnx2x_vfpf_close_vf(struct bnx2x *bp) |
| { |
| struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| int i, rc; |
| u32 vf_id; |
| |
| /* If we haven't got a valid VF id, there is no sense to |
| * continue with sending messages |
| */ |
| if (bnx2x_get_vf_id(bp, &vf_id)) |
| goto free_irq; |
| |
| /* Close the queues */ |
| for_each_queue(bp, i) |
| bnx2x_vfpf_teardown_queue(bp, i); |
| |
| /* remove mac */ |
| bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); |
| |
| req->vf_id = vf_id; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| |
| if (rc) |
| BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); |
| |
| else if (resp->hdr.status != PFVF_STATUS_SUCCESS) |
| BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", |
| resp->hdr.status); |
| |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| free_irq: |
| /* Disable HW interrupts, NAPI */ |
| bnx2x_netif_stop(bp, 0); |
| /* Delete all NAPI objects */ |
| bnx2x_del_all_napi(bp); |
| |
| /* Release IRQs */ |
| bnx2x_free_irq(bp); |
| } |
| |
| static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_queue *q) |
| { |
| u8 cl_id = vfq_cl_id(vf, q); |
| u8 func_id = FW_VF_HANDLE(vf->abs_vfid); |
| |
| /* mac */ |
| bnx2x_init_mac_obj(bp, &q->mac_obj, |
| cl_id, q->cid, func_id, |
| bnx2x_vf_sp(bp, vf, mac_rdata), |
| bnx2x_vf_sp_map(bp, vf, mac_rdata), |
| BNX2X_FILTER_MAC_PENDING, |
| &vf->filter_state, |
| BNX2X_OBJ_TYPE_RX_TX, |
| &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); |
| |
| /* rss */ |
| bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, |
| func_id, func_id, |
| bnx2x_vf_sp(bp, vf, rss_rdata), |
| bnx2x_vf_sp_map(bp, vf, rss_rdata), |
| BNX2X_FILTER_RSS_CONF_PENDING, |
| &vf->filter_state, |
| BNX2X_OBJ_TYPE_RX_TX); |
| |
| vf->leading_rss = cl_id; |
| q->is_leading = true; |
| q->sp_initialized = true; |
| } |
| |
| /* ask the pf to open a queue for the vf */ |
| int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| bool is_leading) |
| { |
| struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| u8 fp_idx = fp->index; |
| u16 tpa_agg_size = 0, flags = 0; |
| int rc; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); |
| |
| /* select tpa mode to request */ |
| if (!fp->disable_tpa) { |
| flags |= VFPF_QUEUE_FLG_TPA; |
| flags |= VFPF_QUEUE_FLG_TPA_IPV6; |
| if (fp->mode == TPA_MODE_GRO) |
| flags |= VFPF_QUEUE_FLG_TPA_GRO; |
| tpa_agg_size = TPA_AGG_SIZE; |
| } |
| |
| if (is_leading) |
| flags |= VFPF_QUEUE_FLG_LEADING_RSS; |
| |
| /* calculate queue flags */ |
| flags |= VFPF_QUEUE_FLG_STATS; |
| flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; |
| flags |= VFPF_QUEUE_FLG_VLAN; |
| DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); |
| |
| /* Common */ |
| req->vf_qid = fp_idx; |
| req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; |
| |
| /* Rx */ |
| req->rxq.rcq_addr = fp->rx_comp_mapping; |
| req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; |
| req->rxq.rxq_addr = fp->rx_desc_mapping; |
| req->rxq.sge_addr = fp->rx_sge_mapping; |
| req->rxq.vf_sb = fp_idx; |
| req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; |
| req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; |
| req->rxq.mtu = bp->dev->mtu; |
| req->rxq.buf_sz = fp->rx_buf_size; |
| req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; |
| req->rxq.tpa_agg_sz = tpa_agg_size; |
| req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; |
| req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & |
| (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; |
| req->rxq.flags = flags; |
| req->rxq.drop_flags = 0; |
| req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; |
| req->rxq.stat_id = -1; /* No stats at the moment */ |
| |
| /* Tx */ |
| req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; |
| req->txq.vf_sb = fp_idx; |
| req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; |
| req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; |
| req->txq.flags = flags; |
| req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) |
| BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", |
| fp_idx); |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", |
| fp_idx, resp->hdr.status); |
| rc = -EINVAL; |
| } |
| |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) |
| { |
| struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| int rc; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, |
| sizeof(*req)); |
| |
| req->vf_qid = qidx; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| |
| if (rc) { |
| BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, |
| rc); |
| goto out; |
| } |
| |
| /* PF failed the transaction */ |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, |
| resp->hdr.status); |
| rc = -EINVAL; |
| } |
| |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| /* request pf to add a mac for the vf */ |
| int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) |
| { |
| struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; |
| int rc = 0; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
| sizeof(*req)); |
| |
| req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; |
| req->vf_qid = vf_qid; |
| req->n_mac_vlan_filters = 1; |
| |
| req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; |
| if (set) |
| req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC; |
| |
| /* sample bulletin board for new mac */ |
| bnx2x_sample_bulletin(bp); |
| |
| /* copy mac from device to request */ |
| memcpy(req->filters[0].mac, addr, ETH_ALEN); |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| /* send message to pf */ |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) { |
| BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); |
| goto out; |
| } |
| |
| /* failure may mean PF was configured with a new mac for us */ |
| while (resp->hdr.status == PFVF_STATUS_FAILURE) { |
| DP(BNX2X_MSG_IOV, |
| "vfpf SET MAC failed. Check bulletin board for new posts\n"); |
| |
| /* copy mac from bulletin to device */ |
| memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); |
| |
| /* check if bulletin board was updated */ |
| if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { |
| /* copy mac from device to request */ |
| memcpy(req->filters[0].mac, bp->dev->dev_addr, |
| ETH_ALEN); |
| |
| /* send message to pf */ |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, |
| bp->vf2pf_mbox_mapping); |
| } else { |
| /* no new info in bulletin */ |
| break; |
| } |
| } |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); |
| rc = -EINVAL; |
| } |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| /* request pf to config rss table for vf queues*/ |
| int bnx2x_vfpf_config_rss(struct bnx2x *bp, |
| struct bnx2x_config_rss_params *params) |
| { |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; |
| int rc = 0; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, |
| sizeof(*req)); |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); |
| memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); |
| req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; |
| req->rss_key_size = T_ETH_RSS_KEY; |
| req->rss_result_mask = params->rss_result_mask; |
| |
| /* flags handled individually for backward/forward compatability */ |
| if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) |
| req->rss_flags |= VFPF_RSS_MODE_DISABLED; |
| if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) |
| req->rss_flags |= VFPF_RSS_MODE_REGULAR; |
| if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) |
| req->rss_flags |= VFPF_RSS_SET_SRCH; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) |
| req->rss_flags |= VFPF_RSS_IPV4; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) |
| req->rss_flags |= VFPF_RSS_IPV4_TCP; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) |
| req->rss_flags |= VFPF_RSS_IPV4_UDP; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) |
| req->rss_flags |= VFPF_RSS_IPV6; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) |
| req->rss_flags |= VFPF_RSS_IPV6_TCP; |
| if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) |
| req->rss_flags |= VFPF_RSS_IPV6_UDP; |
| |
| DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| /* send message to pf */ |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) { |
| BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); |
| goto out; |
| } |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| /* Since older drivers don't support this feature (and VF has |
| * no way of knowing other than failing this), don't propagate |
| * an error in this case. |
| */ |
| DP(BNX2X_MSG_IOV, |
| "Failed to send rss message to PF over VF-PF channel [%d]\n", |
| resp->hdr.status); |
| } |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| int bnx2x_vfpf_set_mcast(struct net_device *dev) |
| { |
| struct bnx2x *bp = netdev_priv(dev); |
| struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| int rc, i = 0; |
| struct netdev_hw_addr *ha; |
| |
| if (bp->state != BNX2X_STATE_OPEN) { |
| DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); |
| return -EINVAL; |
| } |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
| sizeof(*req)); |
| |
| /* Get Rx mode requested */ |
| DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); |
| |
| netdev_for_each_mc_addr(ha, dev) { |
| DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", |
| bnx2x_mc_addr(ha)); |
| memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); |
| i++; |
| } |
| |
| /* We support four PFVF_MAX_MULTICAST_PER_VF mcast |
| * addresses tops |
| */ |
| if (i >= PFVF_MAX_MULTICAST_PER_VF) { |
| DP(NETIF_MSG_IFUP, |
| "VF supports not more than %d multicast MAC addresses\n", |
| PFVF_MAX_MULTICAST_PER_VF); |
| return -EINVAL; |
| } |
| |
| req->n_multicast = i; |
| req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; |
| req->vf_qid = 0; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) { |
| BNX2X_ERR("Sending a message failed: %d\n", rc); |
| goto out; |
| } |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("Set Rx mode/multicast failed: %d\n", |
| resp->hdr.status); |
| rc = -EINVAL; |
| } |
| out: |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return 0; |
| } |
| |
| int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) |
| { |
| int mode = bp->rx_mode; |
| struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; |
| struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; |
| int rc; |
| |
| /* clear mailbox and prep first tlv */ |
| bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, |
| sizeof(*req)); |
| |
| DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); |
| |
| /* Ignore everything accept MODE_NONE */ |
| if (mode == BNX2X_RX_MODE_NONE) { |
| req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; |
| } else { |
| /* Current PF driver will not look at the specific flags, |
| * but they are required when working with older drivers on hv. |
| */ |
| req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; |
| req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; |
| req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; |
| } |
| |
| req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; |
| req->vf_qid = 0; |
| |
| /* add list termination tlv */ |
| bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* output tlvs list */ |
| bnx2x_dp_tlv_list(bp, req); |
| |
| rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); |
| if (rc) |
| BNX2X_ERR("Sending a message failed: %d\n", rc); |
| |
| if (resp->hdr.status != PFVF_STATUS_SUCCESS) { |
| BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); |
| rc = -EINVAL; |
| } |
| |
| bnx2x_vfpf_finalize(bp, &req->first_tlv); |
| |
| return rc; |
| } |
| |
| /* General service functions */ |
| static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) |
| { |
| u32 addr = BAR_CSTRORM_INTMEM + |
| CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); |
| |
| REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); |
| } |
| |
| static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) |
| { |
| u32 addr = BAR_CSTRORM_INTMEM + |
| CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); |
| |
| REG_WR8(bp, addr, 1); |
| } |
| |
| static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp) |
| { |
| int i; |
| |
| for_each_vf(bp, i) |
| storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid)); |
| } |
| |
| /* enable vf_pf mailbox (aka vf-pf-channel) */ |
| void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) |
| { |
| bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); |
| |
| /* enable the mailbox in the FW */ |
| storm_memset_vf_mbx_ack(bp, abs_vfid); |
| storm_memset_vf_mbx_valid(bp, abs_vfid); |
| |
| /* enable the VF access to the mailbox */ |
| bnx2x_vf_enable_access(bp, abs_vfid); |
| } |
| |
| /* this works only on !E1h */ |
| static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, |
| dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, |
| u32 vf_addr_lo, u32 len32) |
| { |
| struct dmae_command dmae; |
| |
| if (CHIP_IS_E1x(bp)) { |
| BNX2X_ERR("Chip revision does not support VFs\n"); |
| return DMAE_NOT_RDY; |
| } |
| |
| if (!bp->dmae_ready) { |
| BNX2X_ERR("DMAE is not ready, can not copy\n"); |
| return DMAE_NOT_RDY; |
| } |
| |
| /* set opcode and fixed command fields */ |
| bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); |
| |
| if (from_vf) { |
| dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | |
| (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | |
| (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); |
| |
| dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); |
| |
| dmae.src_addr_lo = vf_addr_lo; |
| dmae.src_addr_hi = vf_addr_hi; |
| dmae.dst_addr_lo = U64_LO(pf_addr); |
| dmae.dst_addr_hi = U64_HI(pf_addr); |
| } else { |
| dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | |
| (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | |
| (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); |
| |
| dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); |
| |
| dmae.src_addr_lo = U64_LO(pf_addr); |
| dmae.src_addr_hi = U64_HI(pf_addr); |
| dmae.dst_addr_lo = vf_addr_lo; |
| dmae.dst_addr_hi = vf_addr_hi; |
| } |
| dmae.len = len32; |
| |
| /* issue the command and wait for completion */ |
| return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); |
| } |
| |
| static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, |
| struct bnx2x_virtf *vf) |
| { |
| struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); |
| u16 length, type; |
| |
| /* prepare response */ |
| type = mbx->first_tlv.tl.type; |
| length = type == CHANNEL_TLV_ACQUIRE ? |
| sizeof(struct pfvf_acquire_resp_tlv) : |
| sizeof(struct pfvf_general_resp_tlv); |
| bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); |
| bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| } |
| |
| static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| int vf_rc) |
| { |
| struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); |
| struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; |
| dma_addr_t pf_addr; |
| u64 vf_addr; |
| int rc; |
| |
| bnx2x_dp_tlv_list(bp, resp); |
| DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", |
| mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); |
| |
| resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); |
| |
| /* send response */ |
| vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + |
| mbx->first_tlv.resp_msg_offset; |
| pf_addr = mbx->msg_mapping + |
| offsetof(struct bnx2x_vf_mbx_msg, resp); |
| |
| /* Copy the response buffer. The first u64 is written afterwards, as |
| * the vf is sensitive to the header being written |
| */ |
| vf_addr += sizeof(u64); |
| pf_addr += sizeof(u64); |
| rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, |
| U64_HI(vf_addr), |
| U64_LO(vf_addr), |
| (sizeof(union pfvf_tlvs) - sizeof(u64))/4); |
| if (rc) { |
| BNX2X_ERR("Failed to copy response body to VF %d\n", |
| vf->abs_vfid); |
| goto mbx_error; |
| } |
| vf_addr -= sizeof(u64); |
| pf_addr -= sizeof(u64); |
| |
| /* ack the FW */ |
| storm_memset_vf_mbx_ack(bp, vf->abs_vfid); |
| mmiowb(); |
| |
| /* copy the response header including status-done field, |
| * must be last dmae, must be after FW is acked |
| */ |
| rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, |
| U64_HI(vf_addr), |
| U64_LO(vf_addr), |
| sizeof(u64)/4); |
| |
| /* unlock channel mutex */ |
| bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
| |
| if (rc) { |
| BNX2X_ERR("Failed to copy response status to VF %d\n", |
| vf->abs_vfid); |
| goto mbx_error; |
| } |
| return; |
| |
| mbx_error: |
| bnx2x_vf_release(bp, vf); |
| } |
| |
| static void bnx2x_vf_mbx_resp(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| int rc) |
| { |
| bnx2x_vf_mbx_resp_single_tlv(bp, vf); |
| bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); |
| } |
| |
| static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| void *buffer, |
| u16 *offset) |
| { |
| struct vfpf_port_phys_id_resp_tlv *port_id; |
| |
| if (!(bp->flags & HAS_PHYS_PORT_ID)) |
| return; |
| |
| bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, |
| sizeof(struct vfpf_port_phys_id_resp_tlv)); |
| |
| port_id = (struct vfpf_port_phys_id_resp_tlv *) |
| (((u8 *)buffer) + *offset); |
| memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); |
| |
| /* Offset should continue representing the offset to the tail |
| * of TLV data (outside this function scope) |
| */ |
| *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); |
| } |
| |
| static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx, int vfop_status) |
| { |
| int i; |
| struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; |
| struct pf_vf_resc *resc = &resp->resc; |
| u8 status = bnx2x_pfvf_status_codes(vfop_status); |
| u16 length; |
| |
| memset(resp, 0, sizeof(*resp)); |
| |
| /* fill in pfdev info */ |
| resp->pfdev_info.chip_num = bp->common.chip_id; |
| resp->pfdev_info.db_size = bp->db_size; |
| resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; |
| resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | |
| PFVF_CAP_TPA | |
| PFVF_CAP_TPA_UPDATE); |
| bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, |
| sizeof(resp->pfdev_info.fw_ver)); |
| |
| if (status == PFVF_STATUS_NO_RESOURCE || |
| status == PFVF_STATUS_SUCCESS) { |
| /* set resources numbers, if status equals NO_RESOURCE these |
| * are max possible numbers |
| */ |
| resc->num_rxqs = vf_rxq_count(vf) ? : |
| bnx2x_vf_max_queue_cnt(bp, vf); |
| resc->num_txqs = vf_txq_count(vf) ? : |
| bnx2x_vf_max_queue_cnt(bp, vf); |
| resc->num_sbs = vf_sb_count(vf); |
| resc->num_mac_filters = vf_mac_rules_cnt(vf); |
| resc->num_vlan_filters = vf_vlan_rules_visible_cnt(vf); |
| resc->num_mc_filters = 0; |
| |
| if (status == PFVF_STATUS_SUCCESS) { |
| /* fill in the allocated resources */ |
| struct pf_vf_bulletin_content *bulletin = |
| BP_VF_BULLETIN(bp, vf->index); |
| |
| for_each_vfq(vf, i) |
| resc->hw_qid[i] = |
| vfq_qzone_id(vf, vfq_get(vf, i)); |
| |
| for_each_vf_sb(vf, i) { |
| resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); |
| resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); |
| } |
| |
| /* if a mac has been set for this vf, supply it */ |
| if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { |
| memcpy(resc->current_mac_addr, bulletin->mac, |
| ETH_ALEN); |
| } |
| } |
| } |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n" |
| "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", |
| vf->abs_vfid, |
| resp->pfdev_info.chip_num, |
| resp->pfdev_info.db_size, |
| resp->pfdev_info.indices_per_sb, |
| resp->pfdev_info.pf_cap, |
| resc->num_rxqs, |
| resc->num_txqs, |
| resc->num_sbs, |
| resc->num_mac_filters, |
| resc->num_vlan_filters, |
| resc->num_mc_filters, |
| resp->pfdev_info.fw_ver); |
| |
| DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); |
| for (i = 0; i < vf_rxq_count(vf); i++) |
| DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); |
| DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); |
| for (i = 0; i < vf_sb_count(vf); i++) |
| DP_CONT(BNX2X_MSG_IOV, "%d:%d ", |
| resc->hw_sbs[i].hw_sb_id, |
| resc->hw_sbs[i].sb_qid); |
| DP_CONT(BNX2X_MSG_IOV, "]\n"); |
| |
| /* prepare response */ |
| length = sizeof(struct pfvf_acquire_resp_tlv); |
| bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); |
| |
| /* Handle possible VF requests for physical port identifiers. |
| * 'length' should continue to indicate the offset of the first empty |
| * place in the buffer (i.e., where next TLV should be inserted) |
| */ |
| if (bnx2x_search_tlv_list(bp, &mbx->msg->req, |
| CHANNEL_TLV_PHYS_PORT_ID)) |
| bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); |
| |
| bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, |
| sizeof(struct channel_list_end_tlv)); |
| |
| /* send the response */ |
| bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); |
| } |
| |
| static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| int rc; |
| struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; |
| |
| /* log vfdef info */ |
| DP(BNX2X_MSG_IOV, |
| "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n", |
| vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, |
| acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, |
| acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, |
| acquire->resc_request.num_vlan_filters, |
| acquire->resc_request.num_mc_filters); |
| |
| /* acquire the resources */ |
| rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); |
| |
| /* store address of vf's bulletin board */ |
| vf->bulletin_map = acquire->bulletin_addr; |
| |
| /* response */ |
| bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); |
| } |
| |
| static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| struct vfpf_init_tlv *init = &mbx->msg->req.init; |
| int rc; |
| |
| /* record ghost addresses from vf message */ |
| vf->spq_map = init->spq_addr; |
| vf->fw_stat_map = init->stats_addr; |
| vf->stats_stride = init->stats_stride; |
| rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); |
| |
| /* set VF multiqueue statistics collection mode */ |
| if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) |
| vf->cfg_flags |= VF_CFG_STATS_COALESCE; |
| |
| /* response */ |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| /* convert MBX queue-flags to standard SP queue-flags */ |
| static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, |
| unsigned long *sp_q_flags) |
| { |
| if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) |
| __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) |
| __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) |
| __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) |
| __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) |
| __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_COS) |
| __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_HC) |
| __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) |
| __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); |
| if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) |
| __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); |
| |
| /* outer vlan removal is set according to PF's multi function mode */ |
| if (IS_MF_SD(bp)) |
| __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); |
| } |
| |
| static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; |
| struct bnx2x_vf_queue_construct_params qctor; |
| int rc = 0; |
| |
| /* verify vf_qid */ |
| if (setup_q->vf_qid >= vf_rxq_count(vf)) { |
| BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", |
| setup_q->vf_qid, vf_rxq_count(vf)); |
| rc = -EINVAL; |
| goto response; |
| } |
| |
| /* tx queues must be setup alongside rx queues thus if the rx queue |
| * is not marked as valid there's nothing to do. |
| */ |
| if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { |
| struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); |
| unsigned long q_type = 0; |
| |
| struct bnx2x_queue_init_params *init_p; |
| struct bnx2x_queue_setup_params *setup_p; |
| |
| if (bnx2x_vfq_is_leading(q)) |
| bnx2x_leading_vfq_init(bp, vf, q); |
| |
| /* re-init the VF operation context */ |
| memset(&qctor, 0 , |
| sizeof(struct bnx2x_vf_queue_construct_params)); |
| setup_p = &qctor.prep_qsetup; |
| init_p = &qctor.qstate.params.init; |
| |
| /* activate immediately */ |
| __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); |
| |
| if (setup_q->param_valid & VFPF_TXQ_VALID) { |
| struct bnx2x_txq_setup_params *txq_params = |
| &setup_p->txq_params; |
| |
| __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
| |
| /* save sb resource index */ |
| q->sb_idx = setup_q->txq.vf_sb; |
| |
| /* tx init */ |
| init_p->tx.hc_rate = setup_q->txq.hc_rate; |
| init_p->tx.sb_cq_index = setup_q->txq.sb_index; |
| |
| bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, |
| &init_p->tx.flags); |
| |
| /* tx setup - flags */ |
| bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, |
| &setup_p->flags); |
| |
| /* tx setup - general, nothing */ |
| |
| /* tx setup - tx */ |
| txq_params->dscr_map = setup_q->txq.txq_addr; |
| txq_params->sb_cq_index = setup_q->txq.sb_index; |
| txq_params->traffic_type = setup_q->txq.traffic_type; |
| |
| bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, |
| q->index, q->sb_idx); |
| } |
| |
| if (setup_q->param_valid & VFPF_RXQ_VALID) { |
| struct bnx2x_rxq_setup_params *rxq_params = |
| &setup_p->rxq_params; |
| |
| __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
| |
| /* Note: there is no support for different SBs |
| * for TX and RX |
| */ |
| q->sb_idx = setup_q->rxq.vf_sb; |
| |
| /* rx init */ |
| init_p->rx.hc_rate = setup_q->rxq.hc_rate; |
| init_p->rx.sb_cq_index = setup_q->rxq.sb_index; |
| bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, |
| &init_p->rx.flags); |
| |
| /* rx setup - flags */ |
| bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, |
| &setup_p->flags); |
| |
| /* rx setup - general */ |
| setup_p->gen_params.mtu = setup_q->rxq.mtu; |
| |
| /* rx setup - rx */ |
| rxq_params->drop_flags = setup_q->rxq.drop_flags; |
| rxq_params->dscr_map = setup_q->rxq.rxq_addr; |
| rxq_params->sge_map = setup_q->rxq.sge_addr; |
| rxq_params->rcq_map = setup_q->rxq.rcq_addr; |
| rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; |
| rxq_params->buf_sz = setup_q->rxq.buf_sz; |
| rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; |
| rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; |
| rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; |
| rxq_params->cache_line_log = |
| setup_q->rxq.cache_line_log; |
| rxq_params->sb_cq_index = setup_q->rxq.sb_index; |
| |
| /* rx setup - multicast engine */ |
| if (bnx2x_vfq_is_leading(q)) { |
| u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); |
| |
| rxq_params->mcast_engine_id = mcast_id; |
| __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); |
| } |
| |
| bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, |
| q->index, q->sb_idx); |
| } |
| /* complete the preparations */ |
| bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); |
| |
| rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); |
| if (rc) |
| goto response; |
| } |
| response: |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct vfpf_set_q_filters_tlv *tlv, |
| struct bnx2x_vf_mac_vlan_filters **pfl, |
| u32 type_flag) |
| { |
| int i, j; |
| struct bnx2x_vf_mac_vlan_filters *fl = NULL; |
| size_t fsz; |
| |
| fsz = tlv->n_mac_vlan_filters * |
| sizeof(struct bnx2x_vf_mac_vlan_filter) + |
| sizeof(struct bnx2x_vf_mac_vlan_filters); |
| |
| fl = kzalloc(fsz, GFP_KERNEL); |
| if (!fl) |
| return -ENOMEM; |
| |
| for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { |
| struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; |
| |
| if ((msg_filter->flags & type_flag) != type_flag) |
| continue; |
| if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) { |
| fl->filters[j].mac = msg_filter->mac; |
| fl->filters[j].type = BNX2X_VF_FILTER_MAC; |
| } else { |
| fl->filters[j].vid = msg_filter->vlan_tag; |
| fl->filters[j].type = BNX2X_VF_FILTER_VLAN; |
| } |
| fl->filters[j].add = |
| (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ? |
| true : false; |
| fl->count++; |
| } |
| if (!fl->count) |
| kfree(fl); |
| else |
| *pfl = fl; |
| |
| return 0; |
| } |
| |
| static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, |
| struct vfpf_q_mac_vlan_filter *filter) |
| { |
| DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); |
| if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) |
| DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); |
| if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) |
| DP_CONT(msglvl, ", MAC=%pM", filter->mac); |
| DP_CONT(msglvl, "\n"); |
| } |
| |
| static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, |
| struct vfpf_set_q_filters_tlv *filters) |
| { |
| int i; |
| |
| if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) |
| for (i = 0; i < filters->n_mac_vlan_filters; i++) |
| bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, |
| &filters->filters[i]); |
| |
| if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) |
| DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); |
| |
| if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) |
| for (i = 0; i < filters->n_multicast; i++) |
| DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); |
| } |
| |
| #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID |
| #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID |
| |
| static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| { |
| int rc = 0; |
| |
| struct vfpf_set_q_filters_tlv *msg = |
| &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; |
| |
| /* check for any mac/vlan changes */ |
| if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { |
| /* build mac list */ |
| struct bnx2x_vf_mac_vlan_filters *fl = NULL; |
| |
| rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, |
| VFPF_MAC_FILTER); |
| if (rc) |
| goto op_err; |
| |
| if (fl) { |
| |
| /* set mac list */ |
| rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, |
| msg->vf_qid, |
| false); |
| if (rc) |
| goto op_err; |
| } |
| |
| /* build vlan list */ |
| fl = NULL; |
| |
| rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, |
| VFPF_VLAN_FILTER); |
| if (rc) |
| goto op_err; |
| |
| if (fl) { |
| /* set vlan list */ |
| rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, |
| msg->vf_qid, |
| false); |
| if (rc) |
| goto op_err; |
| } |
| } |
| |
| if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { |
| unsigned long accept = 0; |
| struct pf_vf_bulletin_content *bulletin = |
| BP_VF_BULLETIN(bp, vf->index); |
| |
| /* Ignore VF requested mode; instead set a regular mode */ |
| if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { |
| __set_bit(BNX2X_ACCEPT_UNICAST, &accept); |
| __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); |
| __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); |
| } |
| |
| /* A packet arriving the vf's mac should be accepted |
| * with any vlan, unless a vlan has already been |
| * configured. |
| */ |
| if (!(bulletin->valid_bitmap & (1 << VLAN_VALID))) |
| __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); |
| |
| /* set rx-mode */ |
| rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); |
| if (rc) |
| goto op_err; |
| } |
| |
| if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { |
| /* set mcasts */ |
| rc = bnx2x_vf_mcast(bp, vf, msg->multicast, |
| msg->n_multicast, false); |
| if (rc) |
| goto op_err; |
| } |
| op_err: |
| if (rc) |
| BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", |
| vf->abs_vfid, msg->vf_qid, rc); |
| return rc; |
| } |
| |
| static int bnx2x_filters_validate_mac(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct vfpf_set_q_filters_tlv *filters) |
| { |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); |
| int rc = 0; |
| |
| /* if a mac was already set for this VF via the set vf mac ndo, we only |
| * accept mac configurations of that mac. Why accept them at all? |
| * because PF may have been unable to configure the mac at the time |
| * since queue was not set up. |
| */ |
| if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { |
| /* once a mac was set by ndo can only accept a single mac... */ |
| if (filters->n_mac_vlan_filters > 1) { |
| BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n", |
| vf->abs_vfid); |
| rc = -EPERM; |
| goto response; |
| } |
| |
| /* ...and only the mac set by the ndo */ |
| if (filters->n_mac_vlan_filters == 1 && |
| !ether_addr_equal(filters->filters->mac, bulletin->mac)) { |
| BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", |
| vf->abs_vfid); |
| |
| rc = -EPERM; |
| goto response; |
| } |
| } |
| |
| response: |
| return rc; |
| } |
| |
| static int bnx2x_filters_validate_vlan(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct vfpf_set_q_filters_tlv *filters) |
| { |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); |
| int rc = 0; |
| |
| /* if vlan was set by hypervisor we don't allow guest to config vlan */ |
| if (bulletin->valid_bitmap & 1 << VLAN_VALID) { |
| int i; |
| |
| /* search for vlan filters */ |
| for (i = 0; i < filters->n_mac_vlan_filters; i++) { |
| if (filters->filters[i].flags & |
| VFPF_Q_FILTER_VLAN_TAG_VALID) { |
| BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", |
| vf->abs_vfid); |
| rc = -EPERM; |
| goto response; |
| } |
| } |
| } |
| |
| /* verify vf_qid */ |
| if (filters->vf_qid > vf_rxq_count(vf)) { |
| rc = -EPERM; |
| goto response; |
| } |
| |
| response: |
| return rc; |
| } |
| |
| static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, |
| struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; |
| int rc; |
| |
| rc = bnx2x_filters_validate_mac(bp, vf, filters); |
| if (rc) |
| goto response; |
| |
| rc = bnx2x_filters_validate_vlan(bp, vf, filters); |
| if (rc) |
| goto response; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", |
| vf->abs_vfid, |
| filters->vf_qid); |
| |
| /* print q_filter message */ |
| bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); |
| |
| rc = bnx2x_vf_mbx_qfilters(bp, vf); |
| response: |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| int qid = mbx->msg->req.q_op.vf_qid; |
| int rc; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", |
| vf->abs_vfid, qid); |
| |
| rc = bnx2x_vf_queue_teardown(bp, vf, qid); |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| int rc; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); |
| |
| rc = bnx2x_vf_close(bp, vf); |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| int rc; |
| |
| DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); |
| |
| rc = bnx2x_vf_free(bp, vf); |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| struct bnx2x_config_rss_params rss; |
| struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; |
| int rc = 0; |
| |
| if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || |
| rss_tlv->rss_key_size != T_ETH_RSS_KEY) { |
| BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", |
| vf->index); |
| rc = -EINVAL; |
| goto mbx_resp; |
| } |
| |
| memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); |
| |
| /* set vfop params according to rss tlv */ |
| memcpy(rss.ind_table, rss_tlv->ind_table, |
| T_ETH_INDIRECTION_TABLE_SIZE); |
| memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); |
| rss.rss_obj = &vf->rss_conf_obj; |
| rss.rss_result_mask = rss_tlv->rss_result_mask; |
| |
| /* flags handled individually for backward/forward compatability */ |
| rss.rss_flags = 0; |
| rss.ramrod_flags = 0; |
| |
| if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) |
| __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) |
| __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) |
| __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV4) |
| __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) |
| __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) |
| __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV6) |
| __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) |
| __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); |
| if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) |
| __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); |
| |
| if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && |
| rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || |
| (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && |
| rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { |
| BNX2X_ERR("about to hit a FW assert. aborting...\n"); |
| rc = -EINVAL; |
| goto mbx_resp; |
| } |
| |
| rc = bnx2x_vf_rss_update(bp, vf, &rss); |
| mbx_resp: |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| static int bnx2x_validate_tpa_params(struct bnx2x *bp, |
| struct vfpf_tpa_tlv *tpa_tlv) |
| { |
| int rc = 0; |
| |
| if (tpa_tlv->tpa_client_info.max_sges_for_packet > |
| U_ETH_MAX_SGES_FOR_PACKET) { |
| rc = -EINVAL; |
| BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", |
| tpa_tlv->tpa_client_info.max_sges_for_packet, |
| U_ETH_MAX_SGES_FOR_PACKET); |
| } |
| |
| if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { |
| rc = -EINVAL; |
| BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", |
| tpa_tlv->tpa_client_info.max_tpa_queues, |
| MAX_AGG_QS(bp)); |
| } |
| |
| return rc; |
| } |
| |
| static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| struct bnx2x_queue_update_tpa_params vf_op_params; |
| struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; |
| int rc = 0; |
| |
| memset(&vf_op_params, 0, sizeof(vf_op_params)); |
| |
| if (bnx2x_validate_tpa_params(bp, tpa_tlv)) |
| goto mbx_resp; |
| |
| vf_op_params.complete_on_both_clients = |
| tpa_tlv->tpa_client_info.complete_on_both_clients; |
| vf_op_params.dont_verify_thr = |
| tpa_tlv->tpa_client_info.dont_verify_thr; |
| vf_op_params.max_agg_sz = |
| tpa_tlv->tpa_client_info.max_agg_size; |
| vf_op_params.max_sges_pkt = |
| tpa_tlv->tpa_client_info.max_sges_for_packet; |
| vf_op_params.max_tpa_queues = |
| tpa_tlv->tpa_client_info.max_tpa_queues; |
| vf_op_params.sge_buff_sz = |
| tpa_tlv->tpa_client_info.sge_buff_size; |
| vf_op_params.sge_pause_thr_high = |
| tpa_tlv->tpa_client_info.sge_pause_thr_high; |
| vf_op_params.sge_pause_thr_low = |
| tpa_tlv->tpa_client_info.sge_pause_thr_low; |
| vf_op_params.tpa_mode = |
| tpa_tlv->tpa_client_info.tpa_mode; |
| vf_op_params.update_ipv4 = |
| tpa_tlv->tpa_client_info.update_ipv4; |
| vf_op_params.update_ipv6 = |
| tpa_tlv->tpa_client_info.update_ipv6; |
| |
| rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); |
| |
| mbx_resp: |
| bnx2x_vf_mbx_resp(bp, vf, rc); |
| } |
| |
| /* dispatch request */ |
| static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| struct bnx2x_vf_mbx *mbx) |
| { |
| int i; |
| |
| /* check if tlv type is known */ |
| if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { |
| /* Lock the per vf op mutex and note the locker's identity. |
| * The unlock will take place in mbx response. |
| */ |
| bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
| |
| /* switch on the opcode */ |
| switch (mbx->first_tlv.tl.type) { |
| case CHANNEL_TLV_ACQUIRE: |
| bnx2x_vf_mbx_acquire(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_INIT: |
| bnx2x_vf_mbx_init_vf(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_SETUP_Q: |
| bnx2x_vf_mbx_setup_q(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_SET_Q_FILTERS: |
| bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_TEARDOWN_Q: |
| bnx2x_vf_mbx_teardown_q(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_CLOSE: |
| bnx2x_vf_mbx_close_vf(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_RELEASE: |
| bnx2x_vf_mbx_release_vf(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_UPDATE_RSS: |
| bnx2x_vf_mbx_update_rss(bp, vf, mbx); |
| return; |
| case CHANNEL_TLV_UPDATE_TPA: |
| bnx2x_vf_mbx_update_tpa(bp, vf, mbx); |
| return; |
| } |
| |
| } else { |
| /* unknown TLV - this may belong to a VF driver from the future |
| * - a version written after this PF driver was written, which |
| * supports features unknown as of yet. Too bad since we don't |
| * support them. Or this may be because someone wrote a crappy |
| * VF driver and is sending garbage over the channel. |
| */ |
| BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", |
| mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, |
| vf->state); |
| for (i = 0; i < 20; i++) |
| DP_CONT(BNX2X_MSG_IOV, "%x ", |
| mbx->msg->req.tlv_buf_size.tlv_buffer[i]); |
| } |
| |
| /* can we respond to VF (do we have an address for it?) */ |
| if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { |
| /* notify the VF that we do not support this request */ |
| bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); |
| } else { |
| /* can't send a response since this VF is unknown to us |
| * just ack the FW to release the mailbox and unlock |
| * the channel. |
| */ |
| storm_memset_vf_mbx_ack(bp, vf->abs_vfid); |
| /* Firmware ack should be written before unlocking channel */ |
| mmiowb(); |
| bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); |
| } |
| } |
| |
| void bnx2x_vf_mbx_schedule(struct bnx2x *bp, |
| struct vf_pf_event_data *vfpf_event) |
| { |
| u8 vf_idx; |
| |
| DP(BNX2X_MSG_IOV, |
| "vf pf event received: vfid %d, address_hi %x, address lo %x", |
| vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); |
| /* Sanity checks consider removing later */ |
| |
| /* check if the vf_id is valid */ |
| if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > |
| BNX2X_NR_VIRTFN(bp)) { |
| BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", |
| vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); |
| return; |
| } |
| |
| vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); |
| |
| /* Update VFDB with current message and schedule its handling */ |
| mutex_lock(&BP_VFDB(bp)->event_mutex); |
| BP_VF_MBX(bp, vf_idx)->vf_addr_hi = vfpf_event->msg_addr_hi; |
| BP_VF_MBX(bp, vf_idx)->vf_addr_lo = vfpf_event->msg_addr_lo; |
| BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); |
| mutex_unlock(&BP_VFDB(bp)->event_mutex); |
| |
| bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); |
| } |
| |
| /* handle new vf-pf messages */ |
| void bnx2x_vf_mbx(struct bnx2x *bp) |
| { |
| struct bnx2x_vfdb *vfdb = BP_VFDB(bp); |
| u64 events; |
| u8 vf_idx; |
| int rc; |
| |
| if (!vfdb) |
| return; |
| |
| mutex_lock(&vfdb->event_mutex); |
| events = vfdb->event_occur; |
| vfdb->event_occur = 0; |
| mutex_unlock(&vfdb->event_mutex); |
| |
| for_each_vf(bp, vf_idx) { |
| struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); |
| struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); |
| |
| /* Handle VFs which have pending events */ |
| if (!(events & (1ULL << vf_idx))) |
| continue; |
| |
| DP(BNX2X_MSG_IOV, |
| "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", |
| vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, |
| mbx->first_tlv.resp_msg_offset); |
| |
| /* dmae to get the VF request */ |
| rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, |
| vf->abs_vfid, mbx->vf_addr_hi, |
| mbx->vf_addr_lo, |
| sizeof(union vfpf_tlvs)/4); |
| if (rc) { |
| BNX2X_ERR("Failed to copy request VF %d\n", |
| vf->abs_vfid); |
| bnx2x_vf_release(bp, vf); |
| return; |
| } |
| |
| /* process the VF message header */ |
| mbx->first_tlv = mbx->msg->req.first_tlv; |
| |
| /* Clean response buffer to refrain from falsely |
| * seeing chains. |
| */ |
| memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); |
| |
| /* dispatch the request (will prepare the response) */ |
| bnx2x_vf_mbx_request(bp, vf, mbx); |
| } |
| } |
| |
| /* propagate local bulletin board to vf */ |
| int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) |
| { |
| struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); |
| dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + |
| vf * BULLETIN_CONTENT_SIZE; |
| dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); |
| int rc; |
| |
| /* can only update vf after init took place */ |
| if (bnx2x_vf(bp, vf, state) != VF_ENABLED && |
| bnx2x_vf(bp, vf, state) != VF_ACQUIRED) |
| return 0; |
| |
| /* increment bulletin board version and compute crc */ |
| bulletin->version++; |
| bulletin->length = BULLETIN_CONTENT_SIZE; |
| bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin); |
| |
| /* propagate bulletin board via dmae to vm memory */ |
| rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, |
| bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), |
| U64_LO(vf_addr), bulletin->length / 4); |
| return rc; |
| } |