2315 lines · c
1/* bnx2x_vfpf.c: QLogic Everest network driver.2 *3 * Copyright 2009-2013 Broadcom Corporation4 * Copyright 2014 QLogic Corporation5 * All rights reserved6 *7 * Unless you and QLogic execute a separate written software license8 * agreement governing use of this software, this software is licensed to you9 * under the terms of the GNU General Public License version 2, available10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").11 *12 * Notwithstanding the above, under no circumstances may you combine this13 * software in any way with any other QLogic software provided under a14 * license other than the GPL, without QLogic's express prior written15 * consent.16 *17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>18 * Written by: Shmulik Ravid19 * Ariel Elior <ariel.elior@qlogic.com>20 */21 22#include "bnx2x.h"23#include "bnx2x_cmn.h"24#include <linux/crc32.h>25 26static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);27 28/* place a given tlv on the tlv buffer at a given offset */29static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,30 u16 offset, u16 type, u16 length)31{32 struct channel_tlv *tl =33 (struct channel_tlv *)(tlvs_list + offset);34 35 tl->type = type;36 tl->length = length;37}38 39/* Clear the mailbox and init the header of the first tlv */40static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,41 u16 type, u16 length)42{43 mutex_lock(&bp->vf2pf_mutex);44 45 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",46 type);47 48 /* Clear mailbox */49 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));50 51 /* init type and length */52 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);53 54 /* init first tlv header */55 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);56}57 58/* releases the mailbox */59static void bnx2x_vfpf_finalize(struct bnx2x *bp,60 struct vfpf_first_tlv *first_tlv)61{62 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",63 first_tlv->tl.type);64 65 mutex_unlock(&bp->vf2pf_mutex);66}67 68/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */69static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,70 enum channel_tlvs req_tlv)71{72 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;73 74 do {75 if (tlv->type == req_tlv)76 return tlv;77 78 if (!tlv->length) {79 BNX2X_ERR("Found TLV with length 0\n");80 return NULL;81 }82 83 tlvs_list += tlv->length;84 tlv = (struct channel_tlv *)tlvs_list;85 } while (tlv->type != CHANNEL_TLV_LIST_END);86 87 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);88 89 return NULL;90}91 92/* list the types and lengths of the tlvs on the buffer */93static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)94{95 int i = 1;96 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;97 98 while (tlv->type != CHANNEL_TLV_LIST_END) {99 /* output tlv */100 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,101 tlv->type, tlv->length);102 103 /* advance to next tlv */104 tlvs_list += tlv->length;105 106 /* cast general tlv list pointer to channel tlv header*/107 tlv = (struct channel_tlv *)tlvs_list;108 109 i++;110 111 /* break condition for this loop */112 if (i > MAX_TLVS_IN_LIST) {113 WARN(true, "corrupt tlvs");114 return;115 }116 }117 118 /* output last tlv */119 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,120 tlv->type, tlv->length);121}122 123/* test whether we support a tlv type */124bool bnx2x_tlv_supported(u16 tlvtype)125{126 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;127}128 129static inline int bnx2x_pfvf_status_codes(int rc)130{131 switch (rc) {132 case 0:133 return PFVF_STATUS_SUCCESS;134 case -ENOMEM:135 return PFVF_STATUS_NO_RESOURCE;136 default:137 return PFVF_STATUS_FAILURE;138 }139}140 141static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)142{143 struct cstorm_vf_zone_data __iomem *zone_data =144 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);145 int tout = 100, interval = 100; /* wait for 10 seconds */146 147 if (*done) {148 BNX2X_ERR("done was non zero before message to pf was sent\n");149 WARN_ON(true);150 return -EINVAL;151 }152 153 /* if PF indicated channel is down avoid sending message. Return success154 * so calling flow can continue155 */156 bnx2x_sample_bulletin(bp);157 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {158 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");159 *done = PFVF_STATUS_SUCCESS;160 return -EINVAL;161 }162 163 /* Write message address */164 writel(U64_LO(msg_mapping),165 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);166 writel(U64_HI(msg_mapping),167 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);168 169 /* make sure the address is written before FW accesses it */170 wmb();171 172 /* Trigger the PF FW */173 writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid);174 175 /* Wait for PF to complete */176 while ((tout >= 0) && (!*done)) {177 msleep(interval);178 tout -= 1;179 180 /* progress indicator - HV can take its own sweet time in181 * answering VFs...182 */183 DP_CONT(BNX2X_MSG_IOV, ".");184 }185 186 if (!*done) {187 BNX2X_ERR("PF response has timed out\n");188 return -EAGAIN;189 }190 DP(BNX2X_MSG_SP, "Got a response from PF\n");191 return 0;192}193 194static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)195{196 u32 me_reg;197 int tout = 10, interval = 100; /* Wait for 1 sec */198 199 do {200 /* pxp traps vf read of doorbells and returns me reg value */201 me_reg = readl(bp->doorbells);202 if (GOOD_ME_REG(me_reg))203 break;204 205 msleep(interval);206 207 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",208 me_reg);209 } while (tout-- > 0);210 211 if (!GOOD_ME_REG(me_reg)) {212 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);213 return -EINVAL;214 }215 216 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);217 218 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;219 220 return 0;221}222 223int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)224{225 int rc = 0, attempts = 0;226 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;227 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;228 struct vfpf_port_phys_id_resp_tlv *phys_port_resp;229 struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp;230 u32 vf_id;231 bool resources_acquired = false;232 233 /* clear mailbox and prep first tlv */234 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));235 236 if (bnx2x_get_vf_id(bp, &vf_id)) {237 rc = -EAGAIN;238 goto out;239 }240 241 req->vfdev_info.vf_id = vf_id;242 req->vfdev_info.vf_os = 0;243 req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION;244 245 req->resc_request.num_rxqs = rx_count;246 req->resc_request.num_txqs = tx_count;247 req->resc_request.num_sbs = bp->igu_sb_cnt;248 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;249 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;250 req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS;251 252 /* pf 2 vf bulletin board address */253 req->bulletin_addr = bp->pf2vf_bulletin_mapping;254 255 /* Request physical port identifier */256 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,257 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));258 259 /* Bulletin support for bulletin board with length > legacy length */260 req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN;261 /* vlan filtering is supported */262 req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER;263 264 /* add list termination tlv */265 bnx2x_add_tlv(bp, req,266 req->first_tlv.tl.length + sizeof(struct channel_tlv),267 CHANNEL_TLV_LIST_END,268 sizeof(struct channel_list_end_tlv));269 270 /* output tlvs list */271 bnx2x_dp_tlv_list(bp, req);272 273 while (!resources_acquired) {274 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");275 276 /* send acquire request */277 rc = bnx2x_send_msg2pf(bp,278 &resp->hdr.status,279 bp->vf2pf_mbox_mapping);280 281 /* PF timeout */282 if (rc)283 goto out;284 285 /* copy acquire response from buffer to bp */286 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));287 288 attempts++;289 290 /* test whether the PF accepted our request. If not, humble291 * the request and try again.292 */293 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {294 DP(BNX2X_MSG_SP, "resources acquired\n");295 resources_acquired = true;296 } else if (bp->acquire_resp.hdr.status ==297 PFVF_STATUS_NO_RESOURCE &&298 attempts < VF_ACQUIRE_THRESH) {299 DP(BNX2X_MSG_SP,300 "PF unwilling to fulfill resource request. Try PF recommended amount\n");301 302 /* humble our request */303 req->resc_request.num_txqs =304 min(req->resc_request.num_txqs,305 bp->acquire_resp.resc.num_txqs);306 req->resc_request.num_rxqs =307 min(req->resc_request.num_rxqs,308 bp->acquire_resp.resc.num_rxqs);309 req->resc_request.num_sbs =310 min(req->resc_request.num_sbs,311 bp->acquire_resp.resc.num_sbs);312 req->resc_request.num_mac_filters =313 min(req->resc_request.num_mac_filters,314 bp->acquire_resp.resc.num_mac_filters);315 req->resc_request.num_vlan_filters =316 min(req->resc_request.num_vlan_filters,317 bp->acquire_resp.resc.num_vlan_filters);318 req->resc_request.num_mc_filters =319 min(req->resc_request.num_mc_filters,320 bp->acquire_resp.resc.num_mc_filters);321 322 /* Clear response buffer */323 memset(&bp->vf2pf_mbox->resp, 0,324 sizeof(union pfvf_tlvs));325 } else {326 /* Determine reason of PF failure of acquire process */327 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,328 CHANNEL_TLV_FP_HSI_SUPPORT);329 if (fp_hsi_resp && !fp_hsi_resp->is_supported)330 BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n");331 else332 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",333 bp->acquire_resp.hdr.status);334 rc = -EAGAIN;335 goto out;336 }337 }338 339 /* Retrieve physical port id (if possible) */340 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)341 bnx2x_search_tlv_list(bp, resp,342 CHANNEL_TLV_PHYS_PORT_ID);343 if (phys_port_resp) {344 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);345 bp->flags |= HAS_PHYS_PORT_ID;346 }347 348 /* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV.349 * If that's the case, we need to make certain required FW was350 * supported by such a hypervisor [i.e., v0-v2].351 */352 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,353 CHANNEL_TLV_FP_HSI_SUPPORT);354 if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) {355 BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n");356 357 /* Since acquire succeeded on the PF side, we need to send a358 * release message in order to allow future probes.359 */360 bnx2x_vfpf_finalize(bp, &req->first_tlv);361 bnx2x_vfpf_release(bp);362 363 rc = -EINVAL;364 goto out;365 }366 367 /* get HW info */368 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);369 bp->link_params.chip_id = bp->common.chip_id;370 bp->db_size = bp->acquire_resp.pfdev_info.db_size;371 bp->common.int_block = INT_BLOCK_IGU;372 bp->common.chip_port_mode = CHIP_2_PORT_MODE;373 bp->igu_dsb_id = -1;374 bp->mf_ov = 0;375 bp->mf_mode = 0;376 bp->common.flash_size = 0;377 bp->flags |=378 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;379 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;380 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;381 bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters;382 383 strscpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,384 sizeof(bp->fw_ver));385 386 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))387 eth_hw_addr_set(bp->dev,388 bp->acquire_resp.resc.current_mac_addr);389 390out:391 bnx2x_vfpf_finalize(bp, &req->first_tlv);392 return rc;393}394 395int bnx2x_vfpf_release(struct bnx2x *bp)396{397 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;398 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;399 u32 rc, vf_id;400 401 /* clear mailbox and prep first tlv */402 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));403 404 if (bnx2x_get_vf_id(bp, &vf_id)) {405 rc = -EAGAIN;406 goto out;407 }408 409 req->vf_id = vf_id;410 411 /* add list termination tlv */412 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,413 sizeof(struct channel_list_end_tlv));414 415 /* output tlvs list */416 bnx2x_dp_tlv_list(bp, req);417 418 /* send release request */419 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);420 421 if (rc)422 /* PF timeout */423 goto out;424 425 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {426 /* PF released us */427 DP(BNX2X_MSG_SP, "vf released\n");428 } else {429 /* PF reports error */430 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",431 resp->hdr.status);432 rc = -EAGAIN;433 goto out;434 }435out:436 bnx2x_vfpf_finalize(bp, &req->first_tlv);437 438 return rc;439}440 441/* Tell PF about SB addresses */442int bnx2x_vfpf_init(struct bnx2x *bp)443{444 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;445 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;446 int rc, i;447 448 /* clear mailbox and prep first tlv */449 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));450 451 /* status blocks */452 for_each_eth_queue(bp, i)453 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,454 status_blk_mapping);455 456 /* statistics - requests only supports single queue for now */457 req->stats_addr = bp->fw_stats_data_mapping +458 offsetof(struct bnx2x_fw_stats_data, queue_stats);459 460 req->stats_stride = sizeof(struct per_queue_stats);461 462 /* add list termination tlv */463 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,464 sizeof(struct channel_list_end_tlv));465 466 /* output tlvs list */467 bnx2x_dp_tlv_list(bp, req);468 469 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);470 if (rc)471 goto out;472 473 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {474 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",475 resp->hdr.status);476 rc = -EAGAIN;477 goto out;478 }479 480 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");481out:482 bnx2x_vfpf_finalize(bp, &req->first_tlv);483 484 return rc;485}486 487/* CLOSE VF - opposite to INIT_VF */488void bnx2x_vfpf_close_vf(struct bnx2x *bp)489{490 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;491 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;492 int i, rc;493 u32 vf_id;494 495 /* If we haven't got a valid VF id, there is no sense to496 * continue with sending messages497 */498 if (bnx2x_get_vf_id(bp, &vf_id))499 goto free_irq;500 501 /* Close the queues */502 for_each_queue(bp, i)503 bnx2x_vfpf_teardown_queue(bp, i);504 505 /* remove mac */506 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);507 508 /* clear mailbox and prep first tlv */509 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));510 511 req->vf_id = vf_id;512 513 /* add list termination tlv */514 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,515 sizeof(struct channel_list_end_tlv));516 517 /* output tlvs list */518 bnx2x_dp_tlv_list(bp, req);519 520 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);521 522 if (rc)523 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);524 525 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)526 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",527 resp->hdr.status);528 529 bnx2x_vfpf_finalize(bp, &req->first_tlv);530 531free_irq:532 if (!bp->nic_stopped) {533 /* Disable HW interrupts, NAPI */534 bnx2x_netif_stop(bp, 0);535 /* Delete all NAPI objects */536 bnx2x_del_all_napi(bp);537 538 /* Release IRQs */539 bnx2x_free_irq(bp);540 bp->nic_stopped = true;541 }542}543 544static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,545 struct bnx2x_vf_queue *q)546{547 u8 cl_id = vfq_cl_id(vf, q);548 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);549 550 /* mac */551 bnx2x_init_mac_obj(bp, &q->mac_obj,552 cl_id, q->cid, func_id,553 bnx2x_vf_sp(bp, vf, mac_rdata),554 bnx2x_vf_sp_map(bp, vf, mac_rdata),555 BNX2X_FILTER_MAC_PENDING,556 &vf->filter_state,557 BNX2X_OBJ_TYPE_RX_TX,558 &vf->vf_macs_pool);559 /* vlan */560 bnx2x_init_vlan_obj(bp, &q->vlan_obj,561 cl_id, q->cid, func_id,562 bnx2x_vf_sp(bp, vf, vlan_rdata),563 bnx2x_vf_sp_map(bp, vf, vlan_rdata),564 BNX2X_FILTER_VLAN_PENDING,565 &vf->filter_state,566 BNX2X_OBJ_TYPE_RX_TX,567 &vf->vf_vlans_pool);568 /* vlan-mac */569 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj,570 cl_id, q->cid, func_id,571 bnx2x_vf_sp(bp, vf, vlan_mac_rdata),572 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata),573 BNX2X_FILTER_VLAN_MAC_PENDING,574 &vf->filter_state,575 BNX2X_OBJ_TYPE_RX_TX,576 &vf->vf_macs_pool,577 &vf->vf_vlans_pool);578 /* mcast */579 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,580 q->cid, func_id, func_id,581 bnx2x_vf_sp(bp, vf, mcast_rdata),582 bnx2x_vf_sp_map(bp, vf, mcast_rdata),583 BNX2X_FILTER_MCAST_PENDING,584 &vf->filter_state,585 BNX2X_OBJ_TYPE_RX_TX);586 587 /* rss */588 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,589 func_id, func_id,590 bnx2x_vf_sp(bp, vf, rss_rdata),591 bnx2x_vf_sp_map(bp, vf, rss_rdata),592 BNX2X_FILTER_RSS_CONF_PENDING,593 &vf->filter_state,594 BNX2X_OBJ_TYPE_RX_TX);595 596 vf->leading_rss = cl_id;597 q->is_leading = true;598 q->sp_initialized = true;599}600 601/* ask the pf to open a queue for the vf */602int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,603 bool is_leading)604{605 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;606 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;607 u8 fp_idx = fp->index;608 u16 tpa_agg_size = 0, flags = 0;609 int rc;610 611 /* clear mailbox and prep first tlv */612 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));613 614 /* select tpa mode to request */615 if (fp->mode != TPA_MODE_DISABLED) {616 flags |= VFPF_QUEUE_FLG_TPA;617 flags |= VFPF_QUEUE_FLG_TPA_IPV6;618 if (fp->mode == TPA_MODE_GRO)619 flags |= VFPF_QUEUE_FLG_TPA_GRO;620 tpa_agg_size = TPA_AGG_SIZE;621 }622 623 if (is_leading)624 flags |= VFPF_QUEUE_FLG_LEADING_RSS;625 626 /* calculate queue flags */627 flags |= VFPF_QUEUE_FLG_STATS;628 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;629 flags |= VFPF_QUEUE_FLG_VLAN;630 631 /* Common */632 req->vf_qid = fp_idx;633 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;634 635 /* Rx */636 req->rxq.rcq_addr = fp->rx_comp_mapping;637 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;638 req->rxq.rxq_addr = fp->rx_desc_mapping;639 req->rxq.sge_addr = fp->rx_sge_mapping;640 req->rxq.vf_sb = fp_idx;641 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;642 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;643 req->rxq.mtu = bp->dev->mtu;644 req->rxq.buf_sz = fp->rx_buf_size;645 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;646 req->rxq.tpa_agg_sz = tpa_agg_size;647 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;648 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &649 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;650 req->rxq.flags = flags;651 req->rxq.drop_flags = 0;652 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;653 req->rxq.stat_id = -1; /* No stats at the moment */654 655 /* Tx */656 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;657 req->txq.vf_sb = fp_idx;658 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;659 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;660 req->txq.flags = flags;661 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;662 663 /* add list termination tlv */664 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,665 sizeof(struct channel_list_end_tlv));666 667 /* output tlvs list */668 bnx2x_dp_tlv_list(bp, req);669 670 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);671 if (rc)672 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",673 fp_idx);674 675 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {676 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",677 fp_idx, resp->hdr.status);678 rc = -EINVAL;679 }680 681 bnx2x_vfpf_finalize(bp, &req->first_tlv);682 683 return rc;684}685 686static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)687{688 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;689 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;690 int rc;691 692 /* clear mailbox and prep first tlv */693 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,694 sizeof(*req));695 696 req->vf_qid = qidx;697 698 /* add list termination tlv */699 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,700 sizeof(struct channel_list_end_tlv));701 702 /* output tlvs list */703 bnx2x_dp_tlv_list(bp, req);704 705 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);706 707 if (rc) {708 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,709 rc);710 goto out;711 }712 713 /* PF failed the transaction */714 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {715 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,716 resp->hdr.status);717 rc = -EINVAL;718 }719 720out:721 bnx2x_vfpf_finalize(bp, &req->first_tlv);722 723 return rc;724}725 726/* request pf to add a mac for the vf */727int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid, bool set)728{729 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;730 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;731 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;732 int rc = 0;733 734 /* clear mailbox and prep first tlv */735 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,736 sizeof(*req));737 738 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;739 req->vf_qid = vf_qid;740 req->n_mac_vlan_filters = 1;741 742 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;743 if (set)744 req->filters[0].flags |= VFPF_Q_FILTER_SET;745 746 /* sample bulletin board for new mac */747 bnx2x_sample_bulletin(bp);748 749 /* copy mac from device to request */750 memcpy(req->filters[0].mac, addr, ETH_ALEN);751 752 /* add list termination tlv */753 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,754 sizeof(struct channel_list_end_tlv));755 756 /* output tlvs list */757 bnx2x_dp_tlv_list(bp, req);758 759 /* send message to pf */760 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);761 if (rc) {762 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);763 goto out;764 }765 766 /* failure may mean PF was configured with a new mac for us */767 while (resp->hdr.status == PFVF_STATUS_FAILURE) {768 DP(BNX2X_MSG_IOV,769 "vfpf SET MAC failed. Check bulletin board for new posts\n");770 771 /* copy mac from bulletin to device */772 eth_hw_addr_set(bp->dev, bulletin.mac);773 774 /* check if bulletin board was updated */775 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {776 /* copy mac from device to request */777 memcpy(req->filters[0].mac, bp->dev->dev_addr,778 ETH_ALEN);779 780 /* send message to pf */781 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,782 bp->vf2pf_mbox_mapping);783 } else {784 /* no new info in bulletin */785 break;786 }787 }788 789 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {790 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);791 rc = -EINVAL;792 }793out:794 bnx2x_vfpf_finalize(bp, &req->first_tlv);795 796 return rc;797}798 799/* request pf to config rss table for vf queues*/800int bnx2x_vfpf_config_rss(struct bnx2x *bp,801 struct bnx2x_config_rss_params *params)802{803 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;804 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;805 int rc = 0;806 807 /* clear mailbox and prep first tlv */808 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,809 sizeof(*req));810 811 /* add list termination tlv */812 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,813 sizeof(struct channel_list_end_tlv));814 815 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);816 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));817 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;818 req->rss_key_size = T_ETH_RSS_KEY;819 req->rss_result_mask = params->rss_result_mask;820 821 /* flags handled individually for backward/forward compatibility */822 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))823 req->rss_flags |= VFPF_RSS_MODE_DISABLED;824 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))825 req->rss_flags |= VFPF_RSS_MODE_REGULAR;826 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))827 req->rss_flags |= VFPF_RSS_SET_SRCH;828 if (params->rss_flags & (1 << BNX2X_RSS_IPV4))829 req->rss_flags |= VFPF_RSS_IPV4;830 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))831 req->rss_flags |= VFPF_RSS_IPV4_TCP;832 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))833 req->rss_flags |= VFPF_RSS_IPV4_UDP;834 if (params->rss_flags & (1 << BNX2X_RSS_IPV6))835 req->rss_flags |= VFPF_RSS_IPV6;836 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))837 req->rss_flags |= VFPF_RSS_IPV6_TCP;838 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))839 req->rss_flags |= VFPF_RSS_IPV6_UDP;840 841 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);842 843 /* output tlvs list */844 bnx2x_dp_tlv_list(bp, req);845 846 /* send message to pf */847 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);848 if (rc) {849 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);850 goto out;851 }852 853 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {854 /* Since older drivers don't support this feature (and VF has855 * no way of knowing other than failing this), don't propagate856 * an error in this case.857 */858 DP(BNX2X_MSG_IOV,859 "Failed to send rss message to PF over VF-PF channel [%d]\n",860 resp->hdr.status);861 }862out:863 bnx2x_vfpf_finalize(bp, &req->first_tlv);864 865 return rc;866}867 868int bnx2x_vfpf_set_mcast(struct net_device *dev)869{870 struct bnx2x *bp = netdev_priv(dev);871 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;872 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;873 int rc = 0, i = 0;874 struct netdev_hw_addr *ha;875 876 if (bp->state != BNX2X_STATE_OPEN) {877 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);878 return -EINVAL;879 }880 881 /* clear mailbox and prep first tlv */882 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,883 sizeof(*req));884 885 /* Get Rx mode requested */886 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);887 888 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */889 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {890 DP(NETIF_MSG_IFUP,891 "VF supports not more than %d multicast MAC addresses\n",892 PFVF_MAX_MULTICAST_PER_VF);893 rc = -EINVAL;894 goto out;895 }896 897 netdev_for_each_mc_addr(ha, dev) {898 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",899 bnx2x_mc_addr(ha));900 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);901 i++;902 }903 904 req->n_multicast = i;905 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;906 req->vf_qid = 0;907 908 /* add list termination tlv */909 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,910 sizeof(struct channel_list_end_tlv));911 912 /* output tlvs list */913 bnx2x_dp_tlv_list(bp, req);914 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);915 if (rc) {916 BNX2X_ERR("Sending a message failed: %d\n", rc);917 goto out;918 }919 920 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {921 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",922 resp->hdr.status);923 rc = -EINVAL;924 }925out:926 bnx2x_vfpf_finalize(bp, &req->first_tlv);927 928 return rc;929}930 931/* request pf to add a vlan for the vf */932int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add)933{934 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;935 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;936 int rc = 0;937 938 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) {939 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n");940 return 0;941 }942 943 /* clear mailbox and prep first tlv */944 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,945 sizeof(*req));946 947 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;948 req->vf_qid = vf_qid;949 req->n_mac_vlan_filters = 1;950 951 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID;952 953 if (add)954 req->filters[0].flags |= VFPF_Q_FILTER_SET;955 956 /* sample bulletin board for hypervisor vlan */957 bnx2x_sample_bulletin(bp);958 959 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) {960 BNX2X_ERR("Hypervisor will decline the request, avoiding\n");961 rc = -EINVAL;962 goto out;963 }964 965 req->filters[0].vlan_tag = vid;966 967 /* add list termination tlv */968 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,969 sizeof(struct channel_list_end_tlv));970 971 /* output tlvs list */972 bnx2x_dp_tlv_list(bp, req);973 974 /* send message to pf */975 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);976 if (rc) {977 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);978 goto out;979 }980 981 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {982 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del",983 vid);984 rc = -EINVAL;985 }986out:987 bnx2x_vfpf_finalize(bp, &req->first_tlv);988 989 return rc;990}991 992int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)993{994 int mode = bp->rx_mode;995 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;996 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;997 int rc;998 999 /* clear mailbox and prep first tlv */1000 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,1001 sizeof(*req));1002 1003 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);1004 1005 /* Ignore everything accept MODE_NONE */1006 if (mode == BNX2X_RX_MODE_NONE) {1007 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;1008 } else {1009 /* Current PF driver will not look at the specific flags,1010 * but they are required when working with older drivers on hv.1011 */1012 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;1013 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;1014 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;1015 if (mode == BNX2X_RX_MODE_PROMISC)1016 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;1017 }1018 1019 if (bp->accept_any_vlan)1020 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;1021 1022 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;1023 req->vf_qid = 0;1024 1025 /* add list termination tlv */1026 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,1027 sizeof(struct channel_list_end_tlv));1028 1029 /* output tlvs list */1030 bnx2x_dp_tlv_list(bp, req);1031 1032 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);1033 if (rc)1034 BNX2X_ERR("Sending a message failed: %d\n", rc);1035 1036 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {1037 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);1038 rc = -EINVAL;1039 }1040 1041 bnx2x_vfpf_finalize(bp, &req->first_tlv);1042 1043 return rc;1044}1045 1046/* General service functions */1047static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)1048{1049 u32 addr = BAR_CSTRORM_INTMEM +1050 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);1051 1052 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);1053}1054 1055static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)1056{1057 u32 addr = BAR_CSTRORM_INTMEM +1058 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);1059 1060 REG_WR8(bp, addr, 1);1061}1062 1063/* enable vf_pf mailbox (aka vf-pf-channel) */1064void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)1065{1066 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);1067 1068 /* enable the mailbox in the FW */1069 storm_memset_vf_mbx_ack(bp, abs_vfid);1070 storm_memset_vf_mbx_valid(bp, abs_vfid);1071 1072 /* enable the VF access to the mailbox */1073 bnx2x_vf_enable_access(bp, abs_vfid);1074}1075 1076/* this works only on !E1h */1077static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,1078 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,1079 u32 vf_addr_lo, u32 len32)1080{1081 struct dmae_command dmae;1082 1083 if (CHIP_IS_E1x(bp)) {1084 BNX2X_ERR("Chip revision does not support VFs\n");1085 return DMAE_NOT_RDY;1086 }1087 1088 if (!bp->dmae_ready) {1089 BNX2X_ERR("DMAE is not ready, can not copy\n");1090 return DMAE_NOT_RDY;1091 }1092 1093 /* set opcode and fixed command fields */1094 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);1095 1096 if (from_vf) {1097 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |1098 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |1099 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);1100 1101 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);1102 1103 dmae.src_addr_lo = vf_addr_lo;1104 dmae.src_addr_hi = vf_addr_hi;1105 dmae.dst_addr_lo = U64_LO(pf_addr);1106 dmae.dst_addr_hi = U64_HI(pf_addr);1107 } else {1108 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |1109 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |1110 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);1111 1112 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);1113 1114 dmae.src_addr_lo = U64_LO(pf_addr);1115 dmae.src_addr_hi = U64_HI(pf_addr);1116 dmae.dst_addr_lo = vf_addr_lo;1117 dmae.dst_addr_hi = vf_addr_hi;1118 }1119 dmae.len = len32;1120 1121 /* issue the command and wait for completion */1122 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));1123}1124 1125static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,1126 struct bnx2x_virtf *vf)1127{1128 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);1129 u16 length, type;1130 1131 /* prepare response */1132 type = mbx->first_tlv.tl.type;1133 length = type == CHANNEL_TLV_ACQUIRE ?1134 sizeof(struct pfvf_acquire_resp_tlv) :1135 sizeof(struct pfvf_general_resp_tlv);1136 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);1137 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,1138 sizeof(struct channel_list_end_tlv));1139}1140 1141static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,1142 struct bnx2x_virtf *vf,1143 int vf_rc)1144{1145 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);1146 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;1147 dma_addr_t pf_addr;1148 u64 vf_addr;1149 int rc;1150 1151 bnx2x_dp_tlv_list(bp, resp);1152 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",1153 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);1154 1155 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc);1156 1157 /* send response */1158 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +1159 mbx->first_tlv.resp_msg_offset;1160 pf_addr = mbx->msg_mapping +1161 offsetof(struct bnx2x_vf_mbx_msg, resp);1162 1163 /* Copy the response buffer. The first u64 is written afterwards, as1164 * the vf is sensitive to the header being written1165 */1166 vf_addr += sizeof(u64);1167 pf_addr += sizeof(u64);1168 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,1169 U64_HI(vf_addr),1170 U64_LO(vf_addr),1171 (sizeof(union pfvf_tlvs) - sizeof(u64))/4);1172 if (rc) {1173 BNX2X_ERR("Failed to copy response body to VF %d\n",1174 vf->abs_vfid);1175 goto mbx_error;1176 }1177 vf_addr -= sizeof(u64);1178 pf_addr -= sizeof(u64);1179 1180 /* ack the FW */1181 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);1182 1183 /* copy the response header including status-done field,1184 * must be last dmae, must be after FW is acked1185 */1186 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,1187 U64_HI(vf_addr),1188 U64_LO(vf_addr),1189 sizeof(u64)/4);1190 1191 /* unlock channel mutex */1192 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);1193 1194 if (rc) {1195 BNX2X_ERR("Failed to copy response status to VF %d\n",1196 vf->abs_vfid);1197 goto mbx_error;1198 }1199 return;1200 1201mbx_error:1202 bnx2x_vf_release(bp, vf);1203}1204 1205static void bnx2x_vf_mbx_resp(struct bnx2x *bp,1206 struct bnx2x_virtf *vf,1207 int rc)1208{1209 bnx2x_vf_mbx_resp_single_tlv(bp, vf);1210 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);1211}1212 1213static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,1214 struct bnx2x_virtf *vf,1215 void *buffer,1216 u16 *offset)1217{1218 struct vfpf_port_phys_id_resp_tlv *port_id;1219 1220 if (!(bp->flags & HAS_PHYS_PORT_ID))1221 return;1222 1223 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,1224 sizeof(struct vfpf_port_phys_id_resp_tlv));1225 1226 port_id = (struct vfpf_port_phys_id_resp_tlv *)1227 (((u8 *)buffer) + *offset);1228 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);1229 1230 /* Offset should continue representing the offset to the tail1231 * of TLV data (outside this function scope)1232 */1233 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);1234}1235 1236static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp,1237 struct bnx2x_virtf *vf,1238 void *buffer,1239 u16 *offset)1240{1241 struct vfpf_fp_hsi_resp_tlv *fp_hsi;1242 1243 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT,1244 sizeof(struct vfpf_fp_hsi_resp_tlv));1245 1246 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *)1247 (((u8 *)buffer) + *offset);1248 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1;1249 1250 /* Offset should continue representing the offset to the tail1251 * of TLV data (outside this function scope)1252 */1253 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv);1254}1255 1256static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,1257 struct bnx2x_vf_mbx *mbx, int vfop_status)1258{1259 int i;1260 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;1261 struct pf_vf_resc *resc = &resp->resc;1262 u8 status = bnx2x_pfvf_status_codes(vfop_status);1263 u16 length;1264 1265 memset(resp, 0, sizeof(*resp));1266 1267 /* fill in pfdev info */1268 resp->pfdev_info.chip_num = bp->common.chip_id;1269 resp->pfdev_info.db_size = bp->db_size;1270 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;1271 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |1272 PFVF_CAP_TPA |1273 PFVF_CAP_TPA_UPDATE |1274 PFVF_CAP_VLAN_FILTER);1275 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,1276 sizeof(resp->pfdev_info.fw_ver));1277 1278 if (status == PFVF_STATUS_NO_RESOURCE ||1279 status == PFVF_STATUS_SUCCESS) {1280 /* set resources numbers, if status equals NO_RESOURCE these1281 * are max possible numbers1282 */1283 resc->num_rxqs = vf_rxq_count(vf) ? :1284 bnx2x_vf_max_queue_cnt(bp, vf);1285 resc->num_txqs = vf_txq_count(vf) ? :1286 bnx2x_vf_max_queue_cnt(bp, vf);1287 resc->num_sbs = vf_sb_count(vf);1288 resc->num_mac_filters = vf_mac_rules_cnt(vf);1289 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);1290 resc->num_mc_filters = 0;1291 1292 if (status == PFVF_STATUS_SUCCESS) {1293 /* fill in the allocated resources */1294 struct pf_vf_bulletin_content *bulletin =1295 BP_VF_BULLETIN(bp, vf->index);1296 1297 for_each_vfq(vf, i)1298 resc->hw_qid[i] =1299 vfq_qzone_id(vf, vfq_get(vf, i));1300 1301 for_each_vf_sb(vf, i) {1302 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);1303 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);1304 }1305 1306 /* if a mac has been set for this vf, supply it */1307 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {1308 memcpy(resc->current_mac_addr, bulletin->mac,1309 ETH_ALEN);1310 }1311 }1312 }1313 1314 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"1315 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",1316 vf->abs_vfid,1317 resp->pfdev_info.chip_num,1318 resp->pfdev_info.db_size,1319 resp->pfdev_info.indices_per_sb,1320 resp->pfdev_info.pf_cap,1321 resc->num_rxqs,1322 resc->num_txqs,1323 resc->num_sbs,1324 resc->num_mac_filters,1325 resc->num_vlan_filters,1326 resc->num_mc_filters,1327 resp->pfdev_info.fw_ver);1328 1329 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");1330 for (i = 0; i < vf_rxq_count(vf); i++)1331 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);1332 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");1333 for (i = 0; i < vf_sb_count(vf); i++)1334 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",1335 resc->hw_sbs[i].hw_sb_id,1336 resc->hw_sbs[i].sb_qid);1337 DP_CONT(BNX2X_MSG_IOV, "]\n");1338 1339 /* prepare response */1340 length = sizeof(struct pfvf_acquire_resp_tlv);1341 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);1342 1343 /* Handle possible VF requests for physical port identifiers.1344 * 'length' should continue to indicate the offset of the first empty1345 * place in the buffer (i.e., where next TLV should be inserted)1346 */1347 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,1348 CHANNEL_TLV_PHYS_PORT_ID))1349 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);1350 1351 /* `New' vfs will want to know if fastpath HSI is supported, since1352 * if that's not the case they could print into system log the fact1353 * the driver version must be updated.1354 */1355 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length);1356 1357 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,1358 sizeof(struct channel_list_end_tlv));1359 1360 /* send the response */1361 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);1362}1363 1364static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp,1365 struct vfpf_acquire_tlv *acquire)1366{1367 /* Windows driver does one of three things:1368 * 1. Old driver doesn't have bulletin board address set.1369 * 2. 'Middle' driver sends mc_num == 32.1370 * 3. New driver sets the OS field.1371 */1372 if (!acquire->bulletin_addr ||1373 acquire->resc_request.num_mc_filters == 32 ||1374 ((acquire->vfdev_info.vf_os & VF_OS_MASK) ==1375 VF_OS_WINDOWS))1376 return true;1377 1378 return false;1379}1380 1381static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp,1382 struct bnx2x_virtf *vf,1383 struct bnx2x_vf_mbx *mbx)1384{1385 /* Linux drivers which correctly set the doorbell size also1386 * send a physical port request1387 */1388 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,1389 CHANNEL_TLV_PHYS_PORT_ID))1390 return 0;1391 1392 /* Issue does not exist in windows VMs */1393 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))1394 return 0;1395 1396 return -EOPNOTSUPP;1397}1398 1399static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,1400 struct bnx2x_vf_mbx *mbx)1401{1402 int rc;1403 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;1404 1405 /* log vfdef info */1406 DP(BNX2X_MSG_IOV,1407 "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",1408 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,1409 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,1410 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,1411 acquire->resc_request.num_vlan_filters,1412 acquire->resc_request.num_mc_filters);1413 1414 /* Prevent VFs with old drivers from loading, since they calculate1415 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover1416 * while being upgraded.1417 */1418 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx);1419 if (rc) {1420 DP(BNX2X_MSG_IOV,1421 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n",1422 vf->abs_vfid);1423 goto out;1424 }1425 1426 /* Verify the VF fastpath HSI can be supported by the loaded FW.1427 * Linux vfs should be oblivious to changes between v0 and v2.1428 */1429 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))1430 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver;1431 else1432 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver,1433 ETH_FP_HSI_VER_2);1434 if (vf->fp_hsi > ETH_FP_HSI_VERSION) {1435 DP(BNX2X_MSG_IOV,1436 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n",1437 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver,1438 ETH_FP_HSI_VERSION);1439 rc = -EINVAL;1440 goto out;1441 }1442 1443 /* acquire the resources */1444 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);1445 1446 /* store address of vf's bulletin board */1447 vf->bulletin_map = acquire->bulletin_addr;1448 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) {1449 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n",1450 vf->abs_vfid);1451 vf->cfg_flags |= VF_CFG_EXT_BULLETIN;1452 } else {1453 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN;1454 }1455 1456 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) {1457 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n",1458 vf->abs_vfid);1459 vf->cfg_flags |= VF_CFG_VLAN_FILTER;1460 } else {1461 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER;1462 }1463 1464out:1465 /* response */1466 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);1467}1468 1469static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,1470 struct bnx2x_vf_mbx *mbx)1471{1472 struct vfpf_init_tlv *init = &mbx->msg->req.init;1473 int rc;1474 1475 /* record ghost addresses from vf message */1476 vf->fw_stat_map = init->stats_addr;1477 vf->stats_stride = init->stats_stride;1478 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);1479 1480 /* set VF multiqueue statistics collection mode */1481 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)1482 vf->cfg_flags |= VF_CFG_STATS_COALESCE;1483 1484 /* Update VF's view of link state */1485 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN)1486 bnx2x_iov_link_update_vf(bp, vf->index);1487 1488 /* response */1489 bnx2x_vf_mbx_resp(bp, vf, rc);1490}1491 1492/* convert MBX queue-flags to standard SP queue-flags */1493static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,1494 unsigned long *sp_q_flags)1495{1496 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)1497 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);1498 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)1499 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);1500 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)1501 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);1502 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)1503 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);1504 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)1505 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);1506 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)1507 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);1508 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)1509 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);1510 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)1511 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);1512 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)1513 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);1514 1515 /* outer vlan removal is set according to PF's multi function mode */1516 if (IS_MF_SD(bp))1517 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);1518}1519 1520static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,1521 struct bnx2x_vf_mbx *mbx)1522{1523 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;1524 struct bnx2x_vf_queue_construct_params qctor;1525 int rc = 0;1526 1527 /* verify vf_qid */1528 if (setup_q->vf_qid >= vf_rxq_count(vf)) {1529 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",1530 setup_q->vf_qid, vf_rxq_count(vf));1531 rc = -EINVAL;1532 goto response;1533 }1534 1535 /* tx queues must be setup alongside rx queues thus if the rx queue1536 * is not marked as valid there's nothing to do.1537 */1538 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {1539 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);1540 unsigned long q_type = 0;1541 1542 struct bnx2x_queue_init_params *init_p;1543 struct bnx2x_queue_setup_params *setup_p;1544 1545 if (bnx2x_vfq_is_leading(q))1546 bnx2x_leading_vfq_init(bp, vf, q);1547 1548 /* re-init the VF operation context */1549 memset(&qctor, 0 ,1550 sizeof(struct bnx2x_vf_queue_construct_params));1551 setup_p = &qctor.prep_qsetup;1552 init_p = &qctor.qstate.params.init;1553 1554 /* activate immediately */1555 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);1556 1557 if (setup_q->param_valid & VFPF_TXQ_VALID) {1558 struct bnx2x_txq_setup_params *txq_params =1559 &setup_p->txq_params;1560 1561 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);1562 1563 /* save sb resource index */1564 q->sb_idx = setup_q->txq.vf_sb;1565 1566 /* tx init */1567 init_p->tx.hc_rate = setup_q->txq.hc_rate;1568 init_p->tx.sb_cq_index = setup_q->txq.sb_index;1569 1570 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,1571 &init_p->tx.flags);1572 1573 /* tx setup - flags */1574 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,1575 &setup_p->flags);1576 1577 /* tx setup - general, nothing */1578 1579 /* tx setup - tx */1580 txq_params->dscr_map = setup_q->txq.txq_addr;1581 txq_params->sb_cq_index = setup_q->txq.sb_index;1582 txq_params->traffic_type = setup_q->txq.traffic_type;1583 1584 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,1585 q->index, q->sb_idx);1586 }1587 1588 if (setup_q->param_valid & VFPF_RXQ_VALID) {1589 struct bnx2x_rxq_setup_params *rxq_params =1590 &setup_p->rxq_params;1591 1592 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);1593 1594 /* Note: there is no support for different SBs1595 * for TX and RX1596 */1597 q->sb_idx = setup_q->rxq.vf_sb;1598 1599 /* rx init */1600 init_p->rx.hc_rate = setup_q->rxq.hc_rate;1601 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;1602 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,1603 &init_p->rx.flags);1604 1605 /* rx setup - flags */1606 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,1607 &setup_p->flags);1608 1609 /* rx setup - general */1610 setup_p->gen_params.mtu = setup_q->rxq.mtu;1611 1612 /* rx setup - rx */1613 rxq_params->drop_flags = setup_q->rxq.drop_flags;1614 rxq_params->dscr_map = setup_q->rxq.rxq_addr;1615 rxq_params->sge_map = setup_q->rxq.sge_addr;1616 rxq_params->rcq_map = setup_q->rxq.rcq_addr;1617 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;1618 rxq_params->buf_sz = setup_q->rxq.buf_sz;1619 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;1620 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;1621 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;1622 rxq_params->cache_line_log =1623 setup_q->rxq.cache_line_log;1624 rxq_params->sb_cq_index = setup_q->rxq.sb_index;1625 1626 /* rx setup - multicast engine */1627 if (bnx2x_vfq_is_leading(q)) {1628 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);1629 1630 rxq_params->mcast_engine_id = mcast_id;1631 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);1632 }1633 1634 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,1635 q->index, q->sb_idx);1636 }1637 /* complete the preparations */1638 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);1639 1640 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);1641 if (rc)1642 goto response;1643 }1644response:1645 bnx2x_vf_mbx_resp(bp, vf, rc);1646}1647 1648static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,1649 struct bnx2x_virtf *vf,1650 struct vfpf_set_q_filters_tlv *tlv,1651 struct bnx2x_vf_mac_vlan_filters **pfl,1652 u32 type_flag)1653{1654 int i, j;1655 struct bnx2x_vf_mac_vlan_filters *fl = NULL;1656 1657 fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters),1658 GFP_KERNEL);1659 if (!fl)1660 return -ENOMEM;1661 1662 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {1663 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];1664 1665 if ((msg_filter->flags & type_flag) != type_flag)1666 continue;1667 memset(&fl->filters[j], 0, sizeof(fl->filters[j]));1668 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) {1669 fl->filters[j].mac = msg_filter->mac;1670 fl->filters[j].type |= BNX2X_VF_FILTER_MAC;1671 }1672 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) {1673 fl->filters[j].vid = msg_filter->vlan_tag;1674 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN;1675 }1676 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET);1677 fl->count++;1678 j++;1679 }1680 if (!fl->count)1681 kfree(fl);1682 else1683 *pfl = fl;1684 1685 return 0;1686}1687 1688static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters,1689 u32 flags)1690{1691 int i, cnt = 0;1692 1693 for (i = 0; i < filters->n_mac_vlan_filters; i++)1694 if ((filters->filters[i].flags & flags) == flags)1695 cnt++;1696 1697 return cnt;1698}1699 1700static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,1701 struct vfpf_q_mac_vlan_filter *filter)1702{1703 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);1704 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)1705 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);1706 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)1707 DP_CONT(msglvl, ", MAC=%pM", filter->mac);1708 DP_CONT(msglvl, "\n");1709}1710 1711static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,1712 struct vfpf_set_q_filters_tlv *filters)1713{1714 int i;1715 1716 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)1717 for (i = 0; i < filters->n_mac_vlan_filters; i++)1718 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,1719 &filters->filters[i]);1720 1721 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)1722 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);1723 1724 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)1725 for (i = 0; i < filters->n_multicast; i++)1726 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);1727}1728 1729#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID1730#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID1731#define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER)1732 1733static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)1734{1735 int rc = 0;1736 1737 struct vfpf_set_q_filters_tlv *msg =1738 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;1739 1740 /* check for any mac/vlan changes */1741 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {1742 struct bnx2x_vf_mac_vlan_filters *fl = NULL;1743 1744 /* build vlan-mac list */1745 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,1746 VFPF_VLAN_MAC_FILTER);1747 if (rc)1748 goto op_err;1749 1750 if (fl) {1751 1752 /* set vlan-mac list */1753 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,1754 msg->vf_qid,1755 false);1756 if (rc)1757 goto op_err;1758 }1759 1760 /* build mac list */1761 fl = NULL;1762 1763 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,1764 VFPF_MAC_FILTER);1765 if (rc)1766 goto op_err;1767 1768 if (fl) {1769 /* set mac list */1770 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,1771 msg->vf_qid,1772 false);1773 if (rc)1774 goto op_err;1775 }1776 1777 /* build vlan list */1778 fl = NULL;1779 1780 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,1781 VFPF_VLAN_FILTER);1782 if (rc)1783 goto op_err;1784 1785 if (fl) {1786 /* set vlan list */1787 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,1788 msg->vf_qid,1789 false);1790 if (rc)1791 goto op_err;1792 }1793 1794 }1795 1796 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {1797 unsigned long accept = 0;1798 struct pf_vf_bulletin_content *bulletin =1799 BP_VF_BULLETIN(bp, vf->index);1800 1801 /* Ignore VF requested mode; instead set a regular mode */1802 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) {1803 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);1804 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);1805 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);1806 }1807 1808 /* any_vlan is not configured if HV is forcing VLAN1809 * any_vlan is configured if1810 * 1. VF does not support vlan filtering1811 * OR1812 * 2. VF supports vlan filtering and explicitly requested it1813 */1814 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) &&1815 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) ||1816 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN))1817 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);1818 1819 /* set rx-mode */1820 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);1821 if (rc)1822 goto op_err;1823 }1824 1825 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {1826 /* set mcasts */1827 rc = bnx2x_vf_mcast(bp, vf, msg->multicast,1828 msg->n_multicast, false);1829 if (rc)1830 goto op_err;1831 }1832op_err:1833 if (rc)1834 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",1835 vf->abs_vfid, msg->vf_qid, rc);1836 return rc;1837}1838 1839static int bnx2x_filters_validate_mac(struct bnx2x *bp,1840 struct bnx2x_virtf *vf,1841 struct vfpf_set_q_filters_tlv *filters)1842{1843 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);1844 int rc = 0;1845 1846 /* if a mac was already set for this VF via the set vf mac ndo, we only1847 * accept mac configurations of that mac. Why accept them at all?1848 * because PF may have been unable to configure the mac at the time1849 * since queue was not set up.1850 */1851 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {1852 struct vfpf_q_mac_vlan_filter *filter = NULL;1853 int i;1854 1855 for (i = 0; i < filters->n_mac_vlan_filters; i++) {1856 if (!(filters->filters[i].flags &1857 VFPF_Q_FILTER_DEST_MAC_VALID))1858 continue;1859 1860 /* once a mac was set by ndo can only accept1861 * a single mac...1862 */1863 if (filter) {1864 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n",1865 vf->abs_vfid,1866 filters->n_mac_vlan_filters);1867 rc = -EPERM;1868 goto response;1869 }1870 1871 filter = &filters->filters[i];1872 }1873 1874 /* ...and only the mac set by the ndo */1875 if (filter &&1876 !ether_addr_equal(filter->mac, bulletin->mac)) {1877 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",1878 vf->abs_vfid);1879 1880 rc = -EPERM;1881 goto response;1882 }1883 }1884 1885response:1886 return rc;1887}1888 1889static int bnx2x_filters_validate_vlan(struct bnx2x *bp,1890 struct bnx2x_virtf *vf,1891 struct vfpf_set_q_filters_tlv *filters)1892{1893 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);1894 int rc = 0;1895 1896 /* if vlan was set by hypervisor we don't allow guest to config vlan */1897 if (bulletin->valid_bitmap & 1 << VLAN_VALID) {1898 /* search for vlan filters */1899 1900 if (bnx2x_vf_filters_contain(filters,1901 VFPF_Q_FILTER_VLAN_TAG_VALID)) {1902 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",1903 vf->abs_vfid);1904 rc = -EPERM;1905 goto response;1906 }1907 }1908 1909 /* verify vf_qid */1910 if (filters->vf_qid > vf_rxq_count(vf)) {1911 rc = -EPERM;1912 goto response;1913 }1914 1915response:1916 return rc;1917}1918 1919static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,1920 struct bnx2x_virtf *vf,1921 struct bnx2x_vf_mbx *mbx)1922{1923 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;1924 int rc;1925 1926 rc = bnx2x_filters_validate_mac(bp, vf, filters);1927 if (rc)1928 goto response;1929 1930 rc = bnx2x_filters_validate_vlan(bp, vf, filters);1931 if (rc)1932 goto response;1933 1934 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",1935 vf->abs_vfid,1936 filters->vf_qid);1937 1938 /* print q_filter message */1939 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);1940 1941 rc = bnx2x_vf_mbx_qfilters(bp, vf);1942response:1943 bnx2x_vf_mbx_resp(bp, vf, rc);1944}1945 1946static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,1947 struct bnx2x_vf_mbx *mbx)1948{1949 int qid = mbx->msg->req.q_op.vf_qid;1950 int rc;1951 1952 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",1953 vf->abs_vfid, qid);1954 1955 rc = bnx2x_vf_queue_teardown(bp, vf, qid);1956 bnx2x_vf_mbx_resp(bp, vf, rc);1957}1958 1959static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,1960 struct bnx2x_vf_mbx *mbx)1961{1962 int rc;1963 1964 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);1965 1966 rc = bnx2x_vf_close(bp, vf);1967 bnx2x_vf_mbx_resp(bp, vf, rc);1968}1969 1970static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,1971 struct bnx2x_vf_mbx *mbx)1972{1973 int rc;1974 1975 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);1976 1977 rc = bnx2x_vf_free(bp, vf);1978 bnx2x_vf_mbx_resp(bp, vf, rc);1979}1980 1981static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,1982 struct bnx2x_vf_mbx *mbx)1983{1984 struct bnx2x_config_rss_params rss;1985 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;1986 int rc = 0;1987 1988 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||1989 rss_tlv->rss_key_size != T_ETH_RSS_KEY) {1990 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",1991 vf->index);1992 rc = -EINVAL;1993 goto mbx_resp;1994 }1995 1996 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));1997 1998 /* set vfop params according to rss tlv */1999 memcpy(rss.ind_table, rss_tlv->ind_table,2000 T_ETH_INDIRECTION_TABLE_SIZE);2001 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));2002 rss.rss_obj = &vf->rss_conf_obj;2003 rss.rss_result_mask = rss_tlv->rss_result_mask;2004 2005 /* flags handled individually for backward/forward compatibility */2006 rss.rss_flags = 0;2007 rss.ramrod_flags = 0;2008 2009 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)2010 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);2011 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)2012 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);2013 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)2014 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);2015 if (rss_tlv->rss_flags & VFPF_RSS_IPV4)2016 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);2017 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)2018 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);2019 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)2020 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);2021 if (rss_tlv->rss_flags & VFPF_RSS_IPV6)2022 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);2023 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)2024 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);2025 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)2026 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);2027 2028 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&2029 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||2030 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&2031 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {2032 BNX2X_ERR("about to hit a FW assert. aborting...\n");2033 rc = -EINVAL;2034 goto mbx_resp;2035 }2036 2037 rc = bnx2x_vf_rss_update(bp, vf, &rss);2038mbx_resp:2039 bnx2x_vf_mbx_resp(bp, vf, rc);2040}2041 2042static int bnx2x_validate_tpa_params(struct bnx2x *bp,2043 struct vfpf_tpa_tlv *tpa_tlv)2044{2045 int rc = 0;2046 2047 if (tpa_tlv->tpa_client_info.max_sges_for_packet >2048 U_ETH_MAX_SGES_FOR_PACKET) {2049 rc = -EINVAL;2050 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",2051 tpa_tlv->tpa_client_info.max_sges_for_packet,2052 U_ETH_MAX_SGES_FOR_PACKET);2053 }2054 2055 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {2056 rc = -EINVAL;2057 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",2058 tpa_tlv->tpa_client_info.max_tpa_queues,2059 MAX_AGG_QS(bp));2060 }2061 2062 return rc;2063}2064 2065static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,2066 struct bnx2x_vf_mbx *mbx)2067{2068 struct bnx2x_queue_update_tpa_params vf_op_params;2069 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;2070 int rc = 0;2071 2072 memset(&vf_op_params, 0, sizeof(vf_op_params));2073 2074 if (bnx2x_validate_tpa_params(bp, tpa_tlv))2075 goto mbx_resp;2076 2077 vf_op_params.complete_on_both_clients =2078 tpa_tlv->tpa_client_info.complete_on_both_clients;2079 vf_op_params.dont_verify_thr =2080 tpa_tlv->tpa_client_info.dont_verify_thr;2081 vf_op_params.max_agg_sz =2082 tpa_tlv->tpa_client_info.max_agg_size;2083 vf_op_params.max_sges_pkt =2084 tpa_tlv->tpa_client_info.max_sges_for_packet;2085 vf_op_params.max_tpa_queues =2086 tpa_tlv->tpa_client_info.max_tpa_queues;2087 vf_op_params.sge_buff_sz =2088 tpa_tlv->tpa_client_info.sge_buff_size;2089 vf_op_params.sge_pause_thr_high =2090 tpa_tlv->tpa_client_info.sge_pause_thr_high;2091 vf_op_params.sge_pause_thr_low =2092 tpa_tlv->tpa_client_info.sge_pause_thr_low;2093 vf_op_params.tpa_mode =2094 tpa_tlv->tpa_client_info.tpa_mode;2095 vf_op_params.update_ipv4 =2096 tpa_tlv->tpa_client_info.update_ipv4;2097 vf_op_params.update_ipv6 =2098 tpa_tlv->tpa_client_info.update_ipv6;2099 2100 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);2101 2102mbx_resp:2103 bnx2x_vf_mbx_resp(bp, vf, rc);2104}2105 2106/* dispatch request */2107static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,2108 struct bnx2x_vf_mbx *mbx)2109{2110 int i;2111 2112 if (vf->state == VF_LOST) {2113 /* Just ack the FW and return if VFs are lost2114 * in case of parity error. VFs are supposed to be timedout2115 * on waiting for PF response.2116 */2117 DP(BNX2X_MSG_IOV,2118 "VF 0x%x lost, not handling the request\n", vf->abs_vfid);2119 2120 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);2121 return;2122 }2123 2124 /* check if tlv type is known */2125 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {2126 /* Lock the per vf op mutex and note the locker's identity.2127 * The unlock will take place in mbx response.2128 */2129 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);2130 2131 /* switch on the opcode */2132 switch (mbx->first_tlv.tl.type) {2133 case CHANNEL_TLV_ACQUIRE:2134 bnx2x_vf_mbx_acquire(bp, vf, mbx);2135 return;2136 case CHANNEL_TLV_INIT:2137 bnx2x_vf_mbx_init_vf(bp, vf, mbx);2138 return;2139 case CHANNEL_TLV_SETUP_Q:2140 bnx2x_vf_mbx_setup_q(bp, vf, mbx);2141 return;2142 case CHANNEL_TLV_SET_Q_FILTERS:2143 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);2144 return;2145 case CHANNEL_TLV_TEARDOWN_Q:2146 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);2147 return;2148 case CHANNEL_TLV_CLOSE:2149 bnx2x_vf_mbx_close_vf(bp, vf, mbx);2150 return;2151 case CHANNEL_TLV_RELEASE:2152 bnx2x_vf_mbx_release_vf(bp, vf, mbx);2153 return;2154 case CHANNEL_TLV_UPDATE_RSS:2155 bnx2x_vf_mbx_update_rss(bp, vf, mbx);2156 return;2157 case CHANNEL_TLV_UPDATE_TPA:2158 bnx2x_vf_mbx_update_tpa(bp, vf, mbx);2159 return;2160 }2161 2162 } else {2163 /* unknown TLV - this may belong to a VF driver from the future2164 * - a version written after this PF driver was written, which2165 * supports features unknown as of yet. Too bad since we don't2166 * support them. Or this may be because someone wrote a crappy2167 * VF driver and is sending garbage over the channel.2168 */2169 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",2170 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,2171 vf->state);2172 for (i = 0; i < 20; i++)2173 DP_CONT(BNX2X_MSG_IOV, "%x ",2174 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);2175 }2176 2177 /* can we respond to VF (do we have an address for it?) */2178 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {2179 /* notify the VF that we do not support this request */2180 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);2181 } else {2182 /* can't send a response since this VF is unknown to us2183 * just ack the FW to release the mailbox and unlock2184 * the channel.2185 */2186 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);2187 /* Firmware ack should be written before unlocking channel */2188 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);2189 }2190}2191 2192void bnx2x_vf_mbx_schedule(struct bnx2x *bp,2193 struct vf_pf_event_data *vfpf_event)2194{2195 u8 vf_idx;2196 2197 DP(BNX2X_MSG_IOV,2198 "vf pf event received: vfid %d, address_hi %x, address lo %x",2199 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);2200 /* Sanity checks consider removing later */2201 2202 /* check if the vf_id is valid */2203 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >2204 BNX2X_NR_VIRTFN(bp)) {2205 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",2206 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));2207 return;2208 }2209 2210 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);2211 2212 /* Update VFDB with current message and schedule its handling */2213 mutex_lock(&BP_VFDB(bp)->event_mutex);2214 BP_VF_MBX(bp, vf_idx)->vf_addr_hi =2215 le32_to_cpu(vfpf_event->msg_addr_hi);2216 BP_VF_MBX(bp, vf_idx)->vf_addr_lo =2217 le32_to_cpu(vfpf_event->msg_addr_lo);2218 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);2219 mutex_unlock(&BP_VFDB(bp)->event_mutex);2220 2221 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);2222}2223 2224/* handle new vf-pf messages */2225void bnx2x_vf_mbx(struct bnx2x *bp)2226{2227 struct bnx2x_vfdb *vfdb = BP_VFDB(bp);2228 u64 events;2229 u8 vf_idx;2230 int rc;2231 2232 if (!vfdb)2233 return;2234 2235 mutex_lock(&vfdb->event_mutex);2236 events = vfdb->event_occur;2237 vfdb->event_occur = 0;2238 mutex_unlock(&vfdb->event_mutex);2239 2240 for_each_vf(bp, vf_idx) {2241 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);2242 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);2243 2244 /* Handle VFs which have pending events */2245 if (!(events & (1ULL << vf_idx)))2246 continue;2247 2248 DP(BNX2X_MSG_IOV,2249 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",2250 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,2251 mbx->first_tlv.resp_msg_offset);2252 2253 /* dmae to get the VF request */2254 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,2255 vf->abs_vfid, mbx->vf_addr_hi,2256 mbx->vf_addr_lo,2257 sizeof(union vfpf_tlvs)/4);2258 if (rc) {2259 BNX2X_ERR("Failed to copy request VF %d\n",2260 vf->abs_vfid);2261 bnx2x_vf_release(bp, vf);2262 return;2263 }2264 2265 /* process the VF message header */2266 mbx->first_tlv = mbx->msg->req.first_tlv;2267 2268 /* Clean response buffer to refrain from falsely2269 * seeing chains.2270 */2271 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));2272 2273 /* dispatch the request (will prepare the response) */2274 bnx2x_vf_mbx_request(bp, vf, mbx);2275 }2276}2277 2278void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,2279 bool support_long)2280{2281 /* Older VFs contain a bug where they can't check CRC for bulletin2282 * boards of length greater than legacy size.2283 */2284 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE :2285 BULLETIN_CONTENT_LEGACY_SIZE;2286 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin);2287}2288 2289/* propagate local bulletin board to vf */2290int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)2291{2292 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);2293 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +2294 vf * BULLETIN_CONTENT_SIZE;2295 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);2296 int rc;2297 2298 /* can only update vf after init took place */2299 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&2300 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)2301 return 0;2302 2303 /* increment bulletin board version and compute crc */2304 bulletin->version++;2305 bnx2x_vf_bulletin_finalize(bulletin,2306 (bnx2x_vf(bp, vf, cfg_flags) &2307 VF_CFG_EXT_BULLETIN) ? true : false);2308 2309 /* propagate bulletin board via dmae to vm memory */2310 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,2311 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),2312 U64_LO(vf_addr), bulletin->length / 4);2313 return rc;2314}2315