1 /* bnx2x_vfpf.c: QLogic Everest network driver. 2 * 3 * Copyright 2009-2013 Broadcom Corporation 4 * Copyright 2014 QLogic Corporation 5 * All rights reserved 6 * 7 * Unless you and QLogic execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2, available 10 * 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 this 13 * software in any way with any other QLogic software provided under a 14 * license other than the GPL, without QLogic's express prior written 15 * consent. 16 * 17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com> 18 * Written by: Shmulik Ravid 19 * Ariel Elior <ariel.elior@qlogic.com> 20 */ 21 22 #include "bnx2x.h" 23 #include "bnx2x_cmn.h" 24 #include <linux/crc32.h> 25 26 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx); 27 28 /* place a given tlv on the tlv buffer at a given offset */ 29 static 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 */ 40 static 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 */ 59 static 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 */ 69 static 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 */ 93 static 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 */ 124 bool bnx2x_tlv_supported(u16 tlvtype) 125 { 126 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 127 } 128 129 static 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 } 140 141 static 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 success 154 * so calling flow can continue 155 */ 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 in 181 * 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 } 193 194 static 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 } 222 223 int 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, humble 291 * 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 else 332 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 was 350 * 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 a 358 * 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); 389 390 out: 391 bnx2x_vfpf_finalize(bp, &req->first_tlv); 392 return rc; 393 } 394 395 int 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 } 435 out: 436 bnx2x_vfpf_finalize(bp, &req->first_tlv); 437 438 return rc; 439 } 440 441 /* Tell PF about SB addresses */ 442 int 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"); 481 out: 482 bnx2x_vfpf_finalize(bp, &req->first_tlv); 483 484 return rc; 485 } 486 487 /* CLOSE VF - opposite to INIT_VF */ 488 void 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 to 496 * continue with sending messages 497 */ 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); 530 531 free_irq: 532 /* Disable HW interrupts, NAPI */ 533 bnx2x_netif_stop(bp, 0); 534 /* Delete all NAPI objects */ 535 bnx2x_del_all_napi(bp); 536 537 /* Release IRQs */ 538 bnx2x_free_irq(bp); 539 } 540 541 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 542 struct bnx2x_vf_queue *q) 543 { 544 u8 cl_id = vfq_cl_id(vf, q); 545 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 546 547 /* mac */ 548 bnx2x_init_mac_obj(bp, &q->mac_obj, 549 cl_id, q->cid, func_id, 550 bnx2x_vf_sp(bp, vf, mac_rdata), 551 bnx2x_vf_sp_map(bp, vf, mac_rdata), 552 BNX2X_FILTER_MAC_PENDING, 553 &vf->filter_state, 554 BNX2X_OBJ_TYPE_RX_TX, 555 &vf->vf_macs_pool); 556 /* vlan */ 557 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 558 cl_id, q->cid, func_id, 559 bnx2x_vf_sp(bp, vf, vlan_rdata), 560 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 561 BNX2X_FILTER_VLAN_PENDING, 562 &vf->filter_state, 563 BNX2X_OBJ_TYPE_RX_TX, 564 &vf->vf_vlans_pool); 565 /* vlan-mac */ 566 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj, 567 cl_id, q->cid, func_id, 568 bnx2x_vf_sp(bp, vf, vlan_mac_rdata), 569 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata), 570 BNX2X_FILTER_VLAN_MAC_PENDING, 571 &vf->filter_state, 572 BNX2X_OBJ_TYPE_RX_TX, 573 &vf->vf_macs_pool, 574 &vf->vf_vlans_pool); 575 /* mcast */ 576 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 577 q->cid, func_id, func_id, 578 bnx2x_vf_sp(bp, vf, mcast_rdata), 579 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 580 BNX2X_FILTER_MCAST_PENDING, 581 &vf->filter_state, 582 BNX2X_OBJ_TYPE_RX_TX); 583 584 /* rss */ 585 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 586 func_id, func_id, 587 bnx2x_vf_sp(bp, vf, rss_rdata), 588 bnx2x_vf_sp_map(bp, vf, rss_rdata), 589 BNX2X_FILTER_RSS_CONF_PENDING, 590 &vf->filter_state, 591 BNX2X_OBJ_TYPE_RX_TX); 592 593 vf->leading_rss = cl_id; 594 q->is_leading = true; 595 q->sp_initialized = true; 596 } 597 598 /* ask the pf to open a queue for the vf */ 599 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 600 bool is_leading) 601 { 602 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 603 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 604 u8 fp_idx = fp->index; 605 u16 tpa_agg_size = 0, flags = 0; 606 int rc; 607 608 /* clear mailbox and prep first tlv */ 609 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 610 611 /* select tpa mode to request */ 612 if (fp->mode != TPA_MODE_DISABLED) { 613 flags |= VFPF_QUEUE_FLG_TPA; 614 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 615 if (fp->mode == TPA_MODE_GRO) 616 flags |= VFPF_QUEUE_FLG_TPA_GRO; 617 tpa_agg_size = TPA_AGG_SIZE; 618 } 619 620 if (is_leading) 621 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 622 623 /* calculate queue flags */ 624 flags |= VFPF_QUEUE_FLG_STATS; 625 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 626 flags |= VFPF_QUEUE_FLG_VLAN; 627 628 /* Common */ 629 req->vf_qid = fp_idx; 630 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 631 632 /* Rx */ 633 req->rxq.rcq_addr = fp->rx_comp_mapping; 634 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 635 req->rxq.rxq_addr = fp->rx_desc_mapping; 636 req->rxq.sge_addr = fp->rx_sge_mapping; 637 req->rxq.vf_sb = fp_idx; 638 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 639 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 640 req->rxq.mtu = bp->dev->mtu; 641 req->rxq.buf_sz = fp->rx_buf_size; 642 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 643 req->rxq.tpa_agg_sz = tpa_agg_size; 644 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 645 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 646 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 647 req->rxq.flags = flags; 648 req->rxq.drop_flags = 0; 649 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 650 req->rxq.stat_id = -1; /* No stats at the moment */ 651 652 /* Tx */ 653 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 654 req->txq.vf_sb = fp_idx; 655 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 656 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 657 req->txq.flags = flags; 658 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 659 660 /* add list termination tlv */ 661 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 662 sizeof(struct channel_list_end_tlv)); 663 664 /* output tlvs list */ 665 bnx2x_dp_tlv_list(bp, req); 666 667 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 668 if (rc) 669 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 670 fp_idx); 671 672 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 673 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 674 fp_idx, resp->hdr.status); 675 rc = -EINVAL; 676 } 677 678 bnx2x_vfpf_finalize(bp, &req->first_tlv); 679 680 return rc; 681 } 682 683 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 684 { 685 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 686 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 687 int rc; 688 689 /* clear mailbox and prep first tlv */ 690 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 691 sizeof(*req)); 692 693 req->vf_qid = qidx; 694 695 /* add list termination tlv */ 696 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 697 sizeof(struct channel_list_end_tlv)); 698 699 /* output tlvs list */ 700 bnx2x_dp_tlv_list(bp, req); 701 702 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 703 704 if (rc) { 705 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 706 rc); 707 goto out; 708 } 709 710 /* PF failed the transaction */ 711 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 712 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 713 resp->hdr.status); 714 rc = -EINVAL; 715 } 716 717 out: 718 bnx2x_vfpf_finalize(bp, &req->first_tlv); 719 720 return rc; 721 } 722 723 /* request pf to add a mac for the vf */ 724 int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid, bool set) 725 { 726 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 727 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 728 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 729 int rc = 0; 730 731 /* clear mailbox and prep first tlv */ 732 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 733 sizeof(*req)); 734 735 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 736 req->vf_qid = vf_qid; 737 req->n_mac_vlan_filters = 1; 738 739 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 740 if (set) 741 req->filters[0].flags |= VFPF_Q_FILTER_SET; 742 743 /* sample bulletin board for new mac */ 744 bnx2x_sample_bulletin(bp); 745 746 /* copy mac from device to request */ 747 memcpy(req->filters[0].mac, addr, ETH_ALEN); 748 749 /* add list termination tlv */ 750 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 751 sizeof(struct channel_list_end_tlv)); 752 753 /* output tlvs list */ 754 bnx2x_dp_tlv_list(bp, req); 755 756 /* send message to pf */ 757 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 758 if (rc) { 759 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 760 goto out; 761 } 762 763 /* failure may mean PF was configured with a new mac for us */ 764 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 765 DP(BNX2X_MSG_IOV, 766 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 767 768 /* copy mac from bulletin to device */ 769 eth_hw_addr_set(bp->dev, bulletin.mac); 770 771 /* check if bulletin board was updated */ 772 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 773 /* copy mac from device to request */ 774 memcpy(req->filters[0].mac, bp->dev->dev_addr, 775 ETH_ALEN); 776 777 /* send message to pf */ 778 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 779 bp->vf2pf_mbox_mapping); 780 } else { 781 /* no new info in bulletin */ 782 break; 783 } 784 } 785 786 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 787 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 788 rc = -EINVAL; 789 } 790 out: 791 bnx2x_vfpf_finalize(bp, &req->first_tlv); 792 793 return rc; 794 } 795 796 /* request pf to config rss table for vf queues*/ 797 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 798 struct bnx2x_config_rss_params *params) 799 { 800 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 801 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 802 int rc = 0; 803 804 /* clear mailbox and prep first tlv */ 805 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 806 sizeof(*req)); 807 808 /* add list termination tlv */ 809 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 810 sizeof(struct channel_list_end_tlv)); 811 812 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 813 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 814 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 815 req->rss_key_size = T_ETH_RSS_KEY; 816 req->rss_result_mask = params->rss_result_mask; 817 818 /* flags handled individually for backward/forward compatibility */ 819 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 820 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 821 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 822 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 823 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 824 req->rss_flags |= VFPF_RSS_SET_SRCH; 825 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 826 req->rss_flags |= VFPF_RSS_IPV4; 827 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 828 req->rss_flags |= VFPF_RSS_IPV4_TCP; 829 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 830 req->rss_flags |= VFPF_RSS_IPV4_UDP; 831 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 832 req->rss_flags |= VFPF_RSS_IPV6; 833 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 834 req->rss_flags |= VFPF_RSS_IPV6_TCP; 835 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 836 req->rss_flags |= VFPF_RSS_IPV6_UDP; 837 838 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 839 840 /* output tlvs list */ 841 bnx2x_dp_tlv_list(bp, req); 842 843 /* send message to pf */ 844 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 845 if (rc) { 846 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 847 goto out; 848 } 849 850 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 851 /* Since older drivers don't support this feature (and VF has 852 * no way of knowing other than failing this), don't propagate 853 * an error in this case. 854 */ 855 DP(BNX2X_MSG_IOV, 856 "Failed to send rss message to PF over VF-PF channel [%d]\n", 857 resp->hdr.status); 858 } 859 out: 860 bnx2x_vfpf_finalize(bp, &req->first_tlv); 861 862 return rc; 863 } 864 865 int bnx2x_vfpf_set_mcast(struct net_device *dev) 866 { 867 struct bnx2x *bp = netdev_priv(dev); 868 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 869 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 870 int rc = 0, i = 0; 871 struct netdev_hw_addr *ha; 872 873 if (bp->state != BNX2X_STATE_OPEN) { 874 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 875 return -EINVAL; 876 } 877 878 /* clear mailbox and prep first tlv */ 879 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 880 sizeof(*req)); 881 882 /* Get Rx mode requested */ 883 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 884 885 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ 886 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { 887 DP(NETIF_MSG_IFUP, 888 "VF supports not more than %d multicast MAC addresses\n", 889 PFVF_MAX_MULTICAST_PER_VF); 890 rc = -EINVAL; 891 goto out; 892 } 893 894 netdev_for_each_mc_addr(ha, dev) { 895 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 896 bnx2x_mc_addr(ha)); 897 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 898 i++; 899 } 900 901 req->n_multicast = i; 902 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 903 req->vf_qid = 0; 904 905 /* add list termination tlv */ 906 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 907 sizeof(struct channel_list_end_tlv)); 908 909 /* output tlvs list */ 910 bnx2x_dp_tlv_list(bp, req); 911 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 912 if (rc) { 913 BNX2X_ERR("Sending a message failed: %d\n", rc); 914 goto out; 915 } 916 917 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 918 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 919 resp->hdr.status); 920 rc = -EINVAL; 921 } 922 out: 923 bnx2x_vfpf_finalize(bp, &req->first_tlv); 924 925 return rc; 926 } 927 928 /* request pf to add a vlan for the vf */ 929 int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) 930 { 931 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 932 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 933 int rc = 0; 934 935 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { 936 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); 937 return 0; 938 } 939 940 /* clear mailbox and prep first tlv */ 941 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 942 sizeof(*req)); 943 944 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 945 req->vf_qid = vf_qid; 946 req->n_mac_vlan_filters = 1; 947 948 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; 949 950 if (add) 951 req->filters[0].flags |= VFPF_Q_FILTER_SET; 952 953 /* sample bulletin board for hypervisor vlan */ 954 bnx2x_sample_bulletin(bp); 955 956 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { 957 BNX2X_ERR("Hypervisor will decline the request, avoiding\n"); 958 rc = -EINVAL; 959 goto out; 960 } 961 962 req->filters[0].vlan_tag = vid; 963 964 /* add list termination tlv */ 965 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 966 sizeof(struct channel_list_end_tlv)); 967 968 /* output tlvs list */ 969 bnx2x_dp_tlv_list(bp, req); 970 971 /* send message to pf */ 972 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 973 if (rc) { 974 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 975 goto out; 976 } 977 978 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 979 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", 980 vid); 981 rc = -EINVAL; 982 } 983 out: 984 bnx2x_vfpf_finalize(bp, &req->first_tlv); 985 986 return rc; 987 } 988 989 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 990 { 991 int mode = bp->rx_mode; 992 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 993 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 994 int rc; 995 996 /* clear mailbox and prep first tlv */ 997 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 998 sizeof(*req)); 999 1000 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 1001 1002 /* Ignore everything accept MODE_NONE */ 1003 if (mode == BNX2X_RX_MODE_NONE) { 1004 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 1005 } else { 1006 /* Current PF driver will not look at the specific flags, 1007 * but they are required when working with older drivers on hv. 1008 */ 1009 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 1010 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 1011 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 1012 if (mode == BNX2X_RX_MODE_PROMISC) 1013 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1014 } 1015 1016 if (bp->accept_any_vlan) 1017 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1018 1019 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 1020 req->vf_qid = 0; 1021 1022 /* add list termination tlv */ 1023 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 1024 sizeof(struct channel_list_end_tlv)); 1025 1026 /* output tlvs list */ 1027 bnx2x_dp_tlv_list(bp, req); 1028 1029 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 1030 if (rc) 1031 BNX2X_ERR("Sending a message failed: %d\n", rc); 1032 1033 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1034 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 1035 rc = -EINVAL; 1036 } 1037 1038 bnx2x_vfpf_finalize(bp, &req->first_tlv); 1039 1040 return rc; 1041 } 1042 1043 /* General service functions */ 1044 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 1045 { 1046 u32 addr = BAR_CSTRORM_INTMEM + 1047 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 1048 1049 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 1050 } 1051 1052 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 1053 { 1054 u32 addr = BAR_CSTRORM_INTMEM + 1055 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 1056 1057 REG_WR8(bp, addr, 1); 1058 } 1059 1060 /* enable vf_pf mailbox (aka vf-pf-channel) */ 1061 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 1062 { 1063 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 1064 1065 /* enable the mailbox in the FW */ 1066 storm_memset_vf_mbx_ack(bp, abs_vfid); 1067 storm_memset_vf_mbx_valid(bp, abs_vfid); 1068 1069 /* enable the VF access to the mailbox */ 1070 bnx2x_vf_enable_access(bp, abs_vfid); 1071 } 1072 1073 /* this works only on !E1h */ 1074 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 1075 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 1076 u32 vf_addr_lo, u32 len32) 1077 { 1078 struct dmae_command dmae; 1079 1080 if (CHIP_IS_E1x(bp)) { 1081 BNX2X_ERR("Chip revision does not support VFs\n"); 1082 return DMAE_NOT_RDY; 1083 } 1084 1085 if (!bp->dmae_ready) { 1086 BNX2X_ERR("DMAE is not ready, can not copy\n"); 1087 return DMAE_NOT_RDY; 1088 } 1089 1090 /* set opcode and fixed command fields */ 1091 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1092 1093 if (from_vf) { 1094 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1095 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1096 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1097 1098 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1099 1100 dmae.src_addr_lo = vf_addr_lo; 1101 dmae.src_addr_hi = vf_addr_hi; 1102 dmae.dst_addr_lo = U64_LO(pf_addr); 1103 dmae.dst_addr_hi = U64_HI(pf_addr); 1104 } else { 1105 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1106 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1107 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1108 1109 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1110 1111 dmae.src_addr_lo = U64_LO(pf_addr); 1112 dmae.src_addr_hi = U64_HI(pf_addr); 1113 dmae.dst_addr_lo = vf_addr_lo; 1114 dmae.dst_addr_hi = vf_addr_hi; 1115 } 1116 dmae.len = len32; 1117 1118 /* issue the command and wait for completion */ 1119 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1120 } 1121 1122 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1123 struct bnx2x_virtf *vf) 1124 { 1125 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1126 u16 length, type; 1127 1128 /* prepare response */ 1129 type = mbx->first_tlv.tl.type; 1130 length = type == CHANNEL_TLV_ACQUIRE ? 1131 sizeof(struct pfvf_acquire_resp_tlv) : 1132 sizeof(struct pfvf_general_resp_tlv); 1133 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1134 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1135 sizeof(struct channel_list_end_tlv)); 1136 } 1137 1138 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1139 struct bnx2x_virtf *vf, 1140 int vf_rc) 1141 { 1142 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1143 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1144 dma_addr_t pf_addr; 1145 u64 vf_addr; 1146 int rc; 1147 1148 bnx2x_dp_tlv_list(bp, resp); 1149 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1150 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1151 1152 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1153 1154 /* send response */ 1155 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1156 mbx->first_tlv.resp_msg_offset; 1157 pf_addr = mbx->msg_mapping + 1158 offsetof(struct bnx2x_vf_mbx_msg, resp); 1159 1160 /* Copy the response buffer. The first u64 is written afterwards, as 1161 * the vf is sensitive to the header being written 1162 */ 1163 vf_addr += sizeof(u64); 1164 pf_addr += sizeof(u64); 1165 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1166 U64_HI(vf_addr), 1167 U64_LO(vf_addr), 1168 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1169 if (rc) { 1170 BNX2X_ERR("Failed to copy response body to VF %d\n", 1171 vf->abs_vfid); 1172 goto mbx_error; 1173 } 1174 vf_addr -= sizeof(u64); 1175 pf_addr -= sizeof(u64); 1176 1177 /* ack the FW */ 1178 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1179 1180 /* copy the response header including status-done field, 1181 * must be last dmae, must be after FW is acked 1182 */ 1183 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1184 U64_HI(vf_addr), 1185 U64_LO(vf_addr), 1186 sizeof(u64)/4); 1187 1188 /* unlock channel mutex */ 1189 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1190 1191 if (rc) { 1192 BNX2X_ERR("Failed to copy response status to VF %d\n", 1193 vf->abs_vfid); 1194 goto mbx_error; 1195 } 1196 return; 1197 1198 mbx_error: 1199 bnx2x_vf_release(bp, vf); 1200 } 1201 1202 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1203 struct bnx2x_virtf *vf, 1204 int rc) 1205 { 1206 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1207 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); 1208 } 1209 1210 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1211 struct bnx2x_virtf *vf, 1212 void *buffer, 1213 u16 *offset) 1214 { 1215 struct vfpf_port_phys_id_resp_tlv *port_id; 1216 1217 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1218 return; 1219 1220 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1221 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1222 1223 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1224 (((u8 *)buffer) + *offset); 1225 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1226 1227 /* Offset should continue representing the offset to the tail 1228 * of TLV data (outside this function scope) 1229 */ 1230 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1231 } 1232 1233 static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp, 1234 struct bnx2x_virtf *vf, 1235 void *buffer, 1236 u16 *offset) 1237 { 1238 struct vfpf_fp_hsi_resp_tlv *fp_hsi; 1239 1240 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT, 1241 sizeof(struct vfpf_fp_hsi_resp_tlv)); 1242 1243 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *) 1244 (((u8 *)buffer) + *offset); 1245 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1; 1246 1247 /* Offset should continue representing the offset to the tail 1248 * of TLV data (outside this function scope) 1249 */ 1250 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv); 1251 } 1252 1253 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1254 struct bnx2x_vf_mbx *mbx, int vfop_status) 1255 { 1256 int i; 1257 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1258 struct pf_vf_resc *resc = &resp->resc; 1259 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1260 u16 length; 1261 1262 memset(resp, 0, sizeof(*resp)); 1263 1264 /* fill in pfdev info */ 1265 resp->pfdev_info.chip_num = bp->common.chip_id; 1266 resp->pfdev_info.db_size = bp->db_size; 1267 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1268 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1269 PFVF_CAP_TPA | 1270 PFVF_CAP_TPA_UPDATE | 1271 PFVF_CAP_VLAN_FILTER); 1272 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1273 sizeof(resp->pfdev_info.fw_ver)); 1274 1275 if (status == PFVF_STATUS_NO_RESOURCE || 1276 status == PFVF_STATUS_SUCCESS) { 1277 /* set resources numbers, if status equals NO_RESOURCE these 1278 * are max possible numbers 1279 */ 1280 resc->num_rxqs = vf_rxq_count(vf) ? : 1281 bnx2x_vf_max_queue_cnt(bp, vf); 1282 resc->num_txqs = vf_txq_count(vf) ? : 1283 bnx2x_vf_max_queue_cnt(bp, vf); 1284 resc->num_sbs = vf_sb_count(vf); 1285 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1286 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1287 resc->num_mc_filters = 0; 1288 1289 if (status == PFVF_STATUS_SUCCESS) { 1290 /* fill in the allocated resources */ 1291 struct pf_vf_bulletin_content *bulletin = 1292 BP_VF_BULLETIN(bp, vf->index); 1293 1294 for_each_vfq(vf, i) 1295 resc->hw_qid[i] = 1296 vfq_qzone_id(vf, vfq_get(vf, i)); 1297 1298 for_each_vf_sb(vf, i) { 1299 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1300 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1301 } 1302 1303 /* if a mac has been set for this vf, supply it */ 1304 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1305 memcpy(resc->current_mac_addr, bulletin->mac, 1306 ETH_ALEN); 1307 } 1308 } 1309 } 1310 1311 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" 1312 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1313 vf->abs_vfid, 1314 resp->pfdev_info.chip_num, 1315 resp->pfdev_info.db_size, 1316 resp->pfdev_info.indices_per_sb, 1317 resp->pfdev_info.pf_cap, 1318 resc->num_rxqs, 1319 resc->num_txqs, 1320 resc->num_sbs, 1321 resc->num_mac_filters, 1322 resc->num_vlan_filters, 1323 resc->num_mc_filters, 1324 resp->pfdev_info.fw_ver); 1325 1326 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1327 for (i = 0; i < vf_rxq_count(vf); i++) 1328 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1329 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1330 for (i = 0; i < vf_sb_count(vf); i++) 1331 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1332 resc->hw_sbs[i].hw_sb_id, 1333 resc->hw_sbs[i].sb_qid); 1334 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1335 1336 /* prepare response */ 1337 length = sizeof(struct pfvf_acquire_resp_tlv); 1338 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1339 1340 /* Handle possible VF requests for physical port identifiers. 1341 * 'length' should continue to indicate the offset of the first empty 1342 * place in the buffer (i.e., where next TLV should be inserted) 1343 */ 1344 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1345 CHANNEL_TLV_PHYS_PORT_ID)) 1346 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1347 1348 /* `New' vfs will want to know if fastpath HSI is supported, since 1349 * if that's not the case they could print into system log the fact 1350 * the driver version must be updated. 1351 */ 1352 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length); 1353 1354 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1355 sizeof(struct channel_list_end_tlv)); 1356 1357 /* send the response */ 1358 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); 1359 } 1360 1361 static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp, 1362 struct vfpf_acquire_tlv *acquire) 1363 { 1364 /* Windows driver does one of three things: 1365 * 1. Old driver doesn't have bulletin board address set. 1366 * 2. 'Middle' driver sends mc_num == 32. 1367 * 3. New driver sets the OS field. 1368 */ 1369 if (!acquire->bulletin_addr || 1370 acquire->resc_request.num_mc_filters == 32 || 1371 ((acquire->vfdev_info.vf_os & VF_OS_MASK) == 1372 VF_OS_WINDOWS)) 1373 return true; 1374 1375 return false; 1376 } 1377 1378 static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp, 1379 struct bnx2x_virtf *vf, 1380 struct bnx2x_vf_mbx *mbx) 1381 { 1382 /* Linux drivers which correctly set the doorbell size also 1383 * send a physical port request 1384 */ 1385 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1386 CHANNEL_TLV_PHYS_PORT_ID)) 1387 return 0; 1388 1389 /* Issue does not exist in windows VMs */ 1390 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1391 return 0; 1392 1393 return -EOPNOTSUPP; 1394 } 1395 1396 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1397 struct bnx2x_vf_mbx *mbx) 1398 { 1399 int rc; 1400 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1401 1402 /* log vfdef info */ 1403 DP(BNX2X_MSG_IOV, 1404 "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", 1405 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1406 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1407 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1408 acquire->resc_request.num_vlan_filters, 1409 acquire->resc_request.num_mc_filters); 1410 1411 /* Prevent VFs with old drivers from loading, since they calculate 1412 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover 1413 * while being upgraded. 1414 */ 1415 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx); 1416 if (rc) { 1417 DP(BNX2X_MSG_IOV, 1418 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n", 1419 vf->abs_vfid); 1420 goto out; 1421 } 1422 1423 /* Verify the VF fastpath HSI can be supported by the loaded FW. 1424 * Linux vfs should be oblivious to changes between v0 and v2. 1425 */ 1426 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1427 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver; 1428 else 1429 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver, 1430 ETH_FP_HSI_VER_2); 1431 if (vf->fp_hsi > ETH_FP_HSI_VERSION) { 1432 DP(BNX2X_MSG_IOV, 1433 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n", 1434 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver, 1435 ETH_FP_HSI_VERSION); 1436 rc = -EINVAL; 1437 goto out; 1438 } 1439 1440 /* acquire the resources */ 1441 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1442 1443 /* store address of vf's bulletin board */ 1444 vf->bulletin_map = acquire->bulletin_addr; 1445 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { 1446 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", 1447 vf->abs_vfid); 1448 vf->cfg_flags |= VF_CFG_EXT_BULLETIN; 1449 } else { 1450 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; 1451 } 1452 1453 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) { 1454 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n", 1455 vf->abs_vfid); 1456 vf->cfg_flags |= VF_CFG_VLAN_FILTER; 1457 } else { 1458 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER; 1459 } 1460 1461 out: 1462 /* response */ 1463 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1464 } 1465 1466 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1467 struct bnx2x_vf_mbx *mbx) 1468 { 1469 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1470 int rc; 1471 1472 /* record ghost addresses from vf message */ 1473 vf->fw_stat_map = init->stats_addr; 1474 vf->stats_stride = init->stats_stride; 1475 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1476 1477 /* set VF multiqueue statistics collection mode */ 1478 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1479 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1480 1481 /* Update VF's view of link state */ 1482 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) 1483 bnx2x_iov_link_update_vf(bp, vf->index); 1484 1485 /* response */ 1486 bnx2x_vf_mbx_resp(bp, vf, rc); 1487 } 1488 1489 /* convert MBX queue-flags to standard SP queue-flags */ 1490 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1491 unsigned long *sp_q_flags) 1492 { 1493 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1494 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1495 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1496 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1497 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1498 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1499 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1500 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1501 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1502 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1503 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1504 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1505 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1506 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1507 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1508 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1509 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1510 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1511 1512 /* outer vlan removal is set according to PF's multi function mode */ 1513 if (IS_MF_SD(bp)) 1514 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1515 } 1516 1517 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1518 struct bnx2x_vf_mbx *mbx) 1519 { 1520 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1521 struct bnx2x_vf_queue_construct_params qctor; 1522 int rc = 0; 1523 1524 /* verify vf_qid */ 1525 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1526 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1527 setup_q->vf_qid, vf_rxq_count(vf)); 1528 rc = -EINVAL; 1529 goto response; 1530 } 1531 1532 /* tx queues must be setup alongside rx queues thus if the rx queue 1533 * is not marked as valid there's nothing to do. 1534 */ 1535 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1536 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1537 unsigned long q_type = 0; 1538 1539 struct bnx2x_queue_init_params *init_p; 1540 struct bnx2x_queue_setup_params *setup_p; 1541 1542 if (bnx2x_vfq_is_leading(q)) 1543 bnx2x_leading_vfq_init(bp, vf, q); 1544 1545 /* re-init the VF operation context */ 1546 memset(&qctor, 0 , 1547 sizeof(struct bnx2x_vf_queue_construct_params)); 1548 setup_p = &qctor.prep_qsetup; 1549 init_p = &qctor.qstate.params.init; 1550 1551 /* activate immediately */ 1552 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1553 1554 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1555 struct bnx2x_txq_setup_params *txq_params = 1556 &setup_p->txq_params; 1557 1558 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1559 1560 /* save sb resource index */ 1561 q->sb_idx = setup_q->txq.vf_sb; 1562 1563 /* tx init */ 1564 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1565 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1566 1567 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1568 &init_p->tx.flags); 1569 1570 /* tx setup - flags */ 1571 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1572 &setup_p->flags); 1573 1574 /* tx setup - general, nothing */ 1575 1576 /* tx setup - tx */ 1577 txq_params->dscr_map = setup_q->txq.txq_addr; 1578 txq_params->sb_cq_index = setup_q->txq.sb_index; 1579 txq_params->traffic_type = setup_q->txq.traffic_type; 1580 1581 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1582 q->index, q->sb_idx); 1583 } 1584 1585 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1586 struct bnx2x_rxq_setup_params *rxq_params = 1587 &setup_p->rxq_params; 1588 1589 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1590 1591 /* Note: there is no support for different SBs 1592 * for TX and RX 1593 */ 1594 q->sb_idx = setup_q->rxq.vf_sb; 1595 1596 /* rx init */ 1597 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1598 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1599 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1600 &init_p->rx.flags); 1601 1602 /* rx setup - flags */ 1603 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1604 &setup_p->flags); 1605 1606 /* rx setup - general */ 1607 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1608 1609 /* rx setup - rx */ 1610 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1611 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1612 rxq_params->sge_map = setup_q->rxq.sge_addr; 1613 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1614 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1615 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1616 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1617 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1618 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1619 rxq_params->cache_line_log = 1620 setup_q->rxq.cache_line_log; 1621 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1622 1623 /* rx setup - multicast engine */ 1624 if (bnx2x_vfq_is_leading(q)) { 1625 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1626 1627 rxq_params->mcast_engine_id = mcast_id; 1628 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1629 } 1630 1631 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1632 q->index, q->sb_idx); 1633 } 1634 /* complete the preparations */ 1635 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); 1636 1637 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); 1638 if (rc) 1639 goto response; 1640 } 1641 response: 1642 bnx2x_vf_mbx_resp(bp, vf, rc); 1643 } 1644 1645 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1646 struct bnx2x_virtf *vf, 1647 struct vfpf_set_q_filters_tlv *tlv, 1648 struct bnx2x_vf_mac_vlan_filters **pfl, 1649 u32 type_flag) 1650 { 1651 int i, j; 1652 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1653 1654 fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters), 1655 GFP_KERNEL); 1656 if (!fl) 1657 return -ENOMEM; 1658 1659 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1660 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1661 1662 if ((msg_filter->flags & type_flag) != type_flag) 1663 continue; 1664 memset(&fl->filters[j], 0, sizeof(fl->filters[j])); 1665 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { 1666 fl->filters[j].mac = msg_filter->mac; 1667 fl->filters[j].type |= BNX2X_VF_FILTER_MAC; 1668 } 1669 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { 1670 fl->filters[j].vid = msg_filter->vlan_tag; 1671 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; 1672 } 1673 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); 1674 fl->count++; 1675 j++; 1676 } 1677 if (!fl->count) 1678 kfree(fl); 1679 else 1680 *pfl = fl; 1681 1682 return 0; 1683 } 1684 1685 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, 1686 u32 flags) 1687 { 1688 int i, cnt = 0; 1689 1690 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1691 if ((filters->filters[i].flags & flags) == flags) 1692 cnt++; 1693 1694 return cnt; 1695 } 1696 1697 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1698 struct vfpf_q_mac_vlan_filter *filter) 1699 { 1700 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1701 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1702 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1703 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1704 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1705 DP_CONT(msglvl, "\n"); 1706 } 1707 1708 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1709 struct vfpf_set_q_filters_tlv *filters) 1710 { 1711 int i; 1712 1713 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1714 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1715 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1716 &filters->filters[i]); 1717 1718 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1719 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1720 1721 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1722 for (i = 0; i < filters->n_multicast; i++) 1723 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1724 } 1725 1726 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1727 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1728 #define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) 1729 1730 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1731 { 1732 int rc = 0; 1733 1734 struct vfpf_set_q_filters_tlv *msg = 1735 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1736 1737 /* check for any mac/vlan changes */ 1738 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1739 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1740 1741 /* build vlan-mac list */ 1742 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1743 VFPF_VLAN_MAC_FILTER); 1744 if (rc) 1745 goto op_err; 1746 1747 if (fl) { 1748 1749 /* set vlan-mac list */ 1750 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1751 msg->vf_qid, 1752 false); 1753 if (rc) 1754 goto op_err; 1755 } 1756 1757 /* build mac list */ 1758 fl = NULL; 1759 1760 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1761 VFPF_MAC_FILTER); 1762 if (rc) 1763 goto op_err; 1764 1765 if (fl) { 1766 /* set mac list */ 1767 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1768 msg->vf_qid, 1769 false); 1770 if (rc) 1771 goto op_err; 1772 } 1773 1774 /* build vlan list */ 1775 fl = NULL; 1776 1777 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1778 VFPF_VLAN_FILTER); 1779 if (rc) 1780 goto op_err; 1781 1782 if (fl) { 1783 /* set vlan list */ 1784 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1785 msg->vf_qid, 1786 false); 1787 if (rc) 1788 goto op_err; 1789 } 1790 1791 } 1792 1793 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1794 unsigned long accept = 0; 1795 struct pf_vf_bulletin_content *bulletin = 1796 BP_VF_BULLETIN(bp, vf->index); 1797 1798 /* Ignore VF requested mode; instead set a regular mode */ 1799 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1800 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1801 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1802 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1803 } 1804 1805 /* any_vlan is not configured if HV is forcing VLAN 1806 * any_vlan is configured if 1807 * 1. VF does not support vlan filtering 1808 * OR 1809 * 2. VF supports vlan filtering and explicitly requested it 1810 */ 1811 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && 1812 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || 1813 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) 1814 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1815 1816 /* set rx-mode */ 1817 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1818 if (rc) 1819 goto op_err; 1820 } 1821 1822 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1823 /* set mcasts */ 1824 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1825 msg->n_multicast, false); 1826 if (rc) 1827 goto op_err; 1828 } 1829 op_err: 1830 if (rc) 1831 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1832 vf->abs_vfid, msg->vf_qid, rc); 1833 return rc; 1834 } 1835 1836 static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1837 struct bnx2x_virtf *vf, 1838 struct vfpf_set_q_filters_tlv *filters) 1839 { 1840 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1841 int rc = 0; 1842 1843 /* if a mac was already set for this VF via the set vf mac ndo, we only 1844 * accept mac configurations of that mac. Why accept them at all? 1845 * because PF may have been unable to configure the mac at the time 1846 * since queue was not set up. 1847 */ 1848 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1849 struct vfpf_q_mac_vlan_filter *filter = NULL; 1850 int i; 1851 1852 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1853 if (!(filters->filters[i].flags & 1854 VFPF_Q_FILTER_DEST_MAC_VALID)) 1855 continue; 1856 1857 /* once a mac was set by ndo can only accept 1858 * a single mac... 1859 */ 1860 if (filter) { 1861 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", 1862 vf->abs_vfid, 1863 filters->n_mac_vlan_filters); 1864 rc = -EPERM; 1865 goto response; 1866 } 1867 1868 filter = &filters->filters[i]; 1869 } 1870 1871 /* ...and only the mac set by the ndo */ 1872 if (filter && 1873 !ether_addr_equal(filter->mac, bulletin->mac)) { 1874 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1875 vf->abs_vfid); 1876 1877 rc = -EPERM; 1878 goto response; 1879 } 1880 } 1881 1882 response: 1883 return rc; 1884 } 1885 1886 static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1887 struct bnx2x_virtf *vf, 1888 struct vfpf_set_q_filters_tlv *filters) 1889 { 1890 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1891 int rc = 0; 1892 1893 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1894 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1895 /* search for vlan filters */ 1896 1897 if (bnx2x_vf_filters_contain(filters, 1898 VFPF_Q_FILTER_VLAN_TAG_VALID)) { 1899 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1900 vf->abs_vfid); 1901 rc = -EPERM; 1902 goto response; 1903 } 1904 } 1905 1906 /* verify vf_qid */ 1907 if (filters->vf_qid > vf_rxq_count(vf)) { 1908 rc = -EPERM; 1909 goto response; 1910 } 1911 1912 response: 1913 return rc; 1914 } 1915 1916 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1917 struct bnx2x_virtf *vf, 1918 struct bnx2x_vf_mbx *mbx) 1919 { 1920 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1921 int rc; 1922 1923 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1924 if (rc) 1925 goto response; 1926 1927 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1928 if (rc) 1929 goto response; 1930 1931 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1932 vf->abs_vfid, 1933 filters->vf_qid); 1934 1935 /* print q_filter message */ 1936 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1937 1938 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1939 response: 1940 bnx2x_vf_mbx_resp(bp, vf, rc); 1941 } 1942 1943 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1944 struct bnx2x_vf_mbx *mbx) 1945 { 1946 int qid = mbx->msg->req.q_op.vf_qid; 1947 int rc; 1948 1949 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1950 vf->abs_vfid, qid); 1951 1952 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1953 bnx2x_vf_mbx_resp(bp, vf, rc); 1954 } 1955 1956 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1957 struct bnx2x_vf_mbx *mbx) 1958 { 1959 int rc; 1960 1961 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1962 1963 rc = bnx2x_vf_close(bp, vf); 1964 bnx2x_vf_mbx_resp(bp, vf, rc); 1965 } 1966 1967 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1968 struct bnx2x_vf_mbx *mbx) 1969 { 1970 int rc; 1971 1972 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1973 1974 rc = bnx2x_vf_free(bp, vf); 1975 bnx2x_vf_mbx_resp(bp, vf, rc); 1976 } 1977 1978 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1979 struct bnx2x_vf_mbx *mbx) 1980 { 1981 struct bnx2x_config_rss_params rss; 1982 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1983 int rc = 0; 1984 1985 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1986 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1987 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1988 vf->index); 1989 rc = -EINVAL; 1990 goto mbx_resp; 1991 } 1992 1993 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 1994 1995 /* set vfop params according to rss tlv */ 1996 memcpy(rss.ind_table, rss_tlv->ind_table, 1997 T_ETH_INDIRECTION_TABLE_SIZE); 1998 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 1999 rss.rss_obj = &vf->rss_conf_obj; 2000 rss.rss_result_mask = rss_tlv->rss_result_mask; 2001 2002 /* flags handled individually for backward/forward compatibility */ 2003 rss.rss_flags = 0; 2004 rss.ramrod_flags = 0; 2005 2006 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 2007 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 2008 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 2009 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 2010 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 2011 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 2012 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 2013 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 2014 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 2015 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 2016 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 2017 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 2018 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 2019 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 2020 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 2021 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 2022 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 2023 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 2024 2025 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 2026 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 2027 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 2028 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 2029 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 2030 rc = -EINVAL; 2031 goto mbx_resp; 2032 } 2033 2034 rc = bnx2x_vf_rss_update(bp, vf, &rss); 2035 mbx_resp: 2036 bnx2x_vf_mbx_resp(bp, vf, rc); 2037 } 2038 2039 static int bnx2x_validate_tpa_params(struct bnx2x *bp, 2040 struct vfpf_tpa_tlv *tpa_tlv) 2041 { 2042 int rc = 0; 2043 2044 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 2045 U_ETH_MAX_SGES_FOR_PACKET) { 2046 rc = -EINVAL; 2047 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 2048 tpa_tlv->tpa_client_info.max_sges_for_packet, 2049 U_ETH_MAX_SGES_FOR_PACKET); 2050 } 2051 2052 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 2053 rc = -EINVAL; 2054 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 2055 tpa_tlv->tpa_client_info.max_tpa_queues, 2056 MAX_AGG_QS(bp)); 2057 } 2058 2059 return rc; 2060 } 2061 2062 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 2063 struct bnx2x_vf_mbx *mbx) 2064 { 2065 struct bnx2x_queue_update_tpa_params vf_op_params; 2066 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 2067 int rc = 0; 2068 2069 memset(&vf_op_params, 0, sizeof(vf_op_params)); 2070 2071 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 2072 goto mbx_resp; 2073 2074 vf_op_params.complete_on_both_clients = 2075 tpa_tlv->tpa_client_info.complete_on_both_clients; 2076 vf_op_params.dont_verify_thr = 2077 tpa_tlv->tpa_client_info.dont_verify_thr; 2078 vf_op_params.max_agg_sz = 2079 tpa_tlv->tpa_client_info.max_agg_size; 2080 vf_op_params.max_sges_pkt = 2081 tpa_tlv->tpa_client_info.max_sges_for_packet; 2082 vf_op_params.max_tpa_queues = 2083 tpa_tlv->tpa_client_info.max_tpa_queues; 2084 vf_op_params.sge_buff_sz = 2085 tpa_tlv->tpa_client_info.sge_buff_size; 2086 vf_op_params.sge_pause_thr_high = 2087 tpa_tlv->tpa_client_info.sge_pause_thr_high; 2088 vf_op_params.sge_pause_thr_low = 2089 tpa_tlv->tpa_client_info.sge_pause_thr_low; 2090 vf_op_params.tpa_mode = 2091 tpa_tlv->tpa_client_info.tpa_mode; 2092 vf_op_params.update_ipv4 = 2093 tpa_tlv->tpa_client_info.update_ipv4; 2094 vf_op_params.update_ipv6 = 2095 tpa_tlv->tpa_client_info.update_ipv6; 2096 2097 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 2098 2099 mbx_resp: 2100 bnx2x_vf_mbx_resp(bp, vf, rc); 2101 } 2102 2103 /* dispatch request */ 2104 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 2105 struct bnx2x_vf_mbx *mbx) 2106 { 2107 int i; 2108 2109 if (vf->state == VF_LOST) { 2110 /* Just ack the FW and return if VFs are lost 2111 * in case of parity error. VFs are supposed to be timedout 2112 * on waiting for PF response. 2113 */ 2114 DP(BNX2X_MSG_IOV, 2115 "VF 0x%x lost, not handling the request\n", vf->abs_vfid); 2116 2117 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2118 return; 2119 } 2120 2121 /* check if tlv type is known */ 2122 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 2123 /* Lock the per vf op mutex and note the locker's identity. 2124 * The unlock will take place in mbx response. 2125 */ 2126 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2127 2128 /* switch on the opcode */ 2129 switch (mbx->first_tlv.tl.type) { 2130 case CHANNEL_TLV_ACQUIRE: 2131 bnx2x_vf_mbx_acquire(bp, vf, mbx); 2132 return; 2133 case CHANNEL_TLV_INIT: 2134 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 2135 return; 2136 case CHANNEL_TLV_SETUP_Q: 2137 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 2138 return; 2139 case CHANNEL_TLV_SET_Q_FILTERS: 2140 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 2141 return; 2142 case CHANNEL_TLV_TEARDOWN_Q: 2143 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 2144 return; 2145 case CHANNEL_TLV_CLOSE: 2146 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 2147 return; 2148 case CHANNEL_TLV_RELEASE: 2149 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 2150 return; 2151 case CHANNEL_TLV_UPDATE_RSS: 2152 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 2153 return; 2154 case CHANNEL_TLV_UPDATE_TPA: 2155 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 2156 return; 2157 } 2158 2159 } else { 2160 /* unknown TLV - this may belong to a VF driver from the future 2161 * - a version written after this PF driver was written, which 2162 * supports features unknown as of yet. Too bad since we don't 2163 * support them. Or this may be because someone wrote a crappy 2164 * VF driver and is sending garbage over the channel. 2165 */ 2166 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 2167 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 2168 vf->state); 2169 for (i = 0; i < 20; i++) 2170 DP_CONT(BNX2X_MSG_IOV, "%x ", 2171 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 2172 } 2173 2174 /* can we respond to VF (do we have an address for it?) */ 2175 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 2176 /* notify the VF that we do not support this request */ 2177 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 2178 } else { 2179 /* can't send a response since this VF is unknown to us 2180 * just ack the FW to release the mailbox and unlock 2181 * the channel. 2182 */ 2183 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2184 /* Firmware ack should be written before unlocking channel */ 2185 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2186 } 2187 } 2188 2189 void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 2190 struct vf_pf_event_data *vfpf_event) 2191 { 2192 u8 vf_idx; 2193 2194 DP(BNX2X_MSG_IOV, 2195 "vf pf event received: vfid %d, address_hi %x, address lo %x", 2196 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 2197 /* Sanity checks consider removing later */ 2198 2199 /* check if the vf_id is valid */ 2200 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 2201 BNX2X_NR_VIRTFN(bp)) { 2202 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 2203 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 2204 return; 2205 } 2206 2207 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 2208 2209 /* Update VFDB with current message and schedule its handling */ 2210 mutex_lock(&BP_VFDB(bp)->event_mutex); 2211 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = 2212 le32_to_cpu(vfpf_event->msg_addr_hi); 2213 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = 2214 le32_to_cpu(vfpf_event->msg_addr_lo); 2215 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 2216 mutex_unlock(&BP_VFDB(bp)->event_mutex); 2217 2218 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 2219 } 2220 2221 /* handle new vf-pf messages */ 2222 void bnx2x_vf_mbx(struct bnx2x *bp) 2223 { 2224 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 2225 u64 events; 2226 u8 vf_idx; 2227 int rc; 2228 2229 if (!vfdb) 2230 return; 2231 2232 mutex_lock(&vfdb->event_mutex); 2233 events = vfdb->event_occur; 2234 vfdb->event_occur = 0; 2235 mutex_unlock(&vfdb->event_mutex); 2236 2237 for_each_vf(bp, vf_idx) { 2238 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 2239 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 2240 2241 /* Handle VFs which have pending events */ 2242 if (!(events & (1ULL << vf_idx))) 2243 continue; 2244 2245 DP(BNX2X_MSG_IOV, 2246 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 2247 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 2248 mbx->first_tlv.resp_msg_offset); 2249 2250 /* dmae to get the VF request */ 2251 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2252 vf->abs_vfid, mbx->vf_addr_hi, 2253 mbx->vf_addr_lo, 2254 sizeof(union vfpf_tlvs)/4); 2255 if (rc) { 2256 BNX2X_ERR("Failed to copy request VF %d\n", 2257 vf->abs_vfid); 2258 bnx2x_vf_release(bp, vf); 2259 return; 2260 } 2261 2262 /* process the VF message header */ 2263 mbx->first_tlv = mbx->msg->req.first_tlv; 2264 2265 /* Clean response buffer to refrain from falsely 2266 * seeing chains. 2267 */ 2268 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2269 2270 /* dispatch the request (will prepare the response) */ 2271 bnx2x_vf_mbx_request(bp, vf, mbx); 2272 } 2273 } 2274 2275 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2276 bool support_long) 2277 { 2278 /* Older VFs contain a bug where they can't check CRC for bulletin 2279 * boards of length greater than legacy size. 2280 */ 2281 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2282 BULLETIN_CONTENT_LEGACY_SIZE; 2283 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2284 } 2285 2286 /* propagate local bulletin board to vf */ 2287 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2288 { 2289 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2290 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2291 vf * BULLETIN_CONTENT_SIZE; 2292 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2293 int rc; 2294 2295 /* can only update vf after init took place */ 2296 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2297 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2298 return 0; 2299 2300 /* increment bulletin board version and compute crc */ 2301 bulletin->version++; 2302 bnx2x_vf_bulletin_finalize(bulletin, 2303 (bnx2x_vf(bp, vf, cfg_flags) & 2304 VF_CFG_EXT_BULLETIN) ? true : false); 2305 2306 /* propagate bulletin board via dmae to vm memory */ 2307 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2308 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2309 U64_LO(vf_addr), bulletin->length / 4); 2310 return rc; 2311 } 2312