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(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 strlcpy(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 memcpy(bp->dev->dev_addr, 388 bp->acquire_resp.resc.current_mac_addr, 389 ETH_ALEN); 390 391 out: 392 bnx2x_vfpf_finalize(bp, &req->first_tlv); 393 return rc; 394 } 395 396 int bnx2x_vfpf_release(struct bnx2x *bp) 397 { 398 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 399 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 400 u32 rc, vf_id; 401 402 /* clear mailbox and prep first tlv */ 403 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 404 405 if (bnx2x_get_vf_id(bp, &vf_id)) { 406 rc = -EAGAIN; 407 goto out; 408 } 409 410 req->vf_id = vf_id; 411 412 /* add list termination tlv */ 413 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 414 sizeof(struct channel_list_end_tlv)); 415 416 /* output tlvs list */ 417 bnx2x_dp_tlv_list(bp, req); 418 419 /* send release request */ 420 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 421 422 if (rc) 423 /* PF timeout */ 424 goto out; 425 426 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 427 /* PF released us */ 428 DP(BNX2X_MSG_SP, "vf released\n"); 429 } else { 430 /* PF reports error */ 431 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", 432 resp->hdr.status); 433 rc = -EAGAIN; 434 goto out; 435 } 436 out: 437 bnx2x_vfpf_finalize(bp, &req->first_tlv); 438 439 return rc; 440 } 441 442 /* Tell PF about SB addresses */ 443 int bnx2x_vfpf_init(struct bnx2x *bp) 444 { 445 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 446 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 447 int rc, i; 448 449 /* clear mailbox and prep first tlv */ 450 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 451 452 /* status blocks */ 453 for_each_eth_queue(bp, i) 454 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 455 status_blk_mapping); 456 457 /* statistics - requests only supports single queue for now */ 458 req->stats_addr = bp->fw_stats_data_mapping + 459 offsetof(struct bnx2x_fw_stats_data, queue_stats); 460 461 req->stats_stride = sizeof(struct per_queue_stats); 462 463 /* add list termination tlv */ 464 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 465 sizeof(struct channel_list_end_tlv)); 466 467 /* output tlvs list */ 468 bnx2x_dp_tlv_list(bp, req); 469 470 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 471 if (rc) 472 goto out; 473 474 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 475 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 476 resp->hdr.status); 477 rc = -EAGAIN; 478 goto out; 479 } 480 481 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 482 out: 483 bnx2x_vfpf_finalize(bp, &req->first_tlv); 484 485 return rc; 486 } 487 488 /* CLOSE VF - opposite to INIT_VF */ 489 void bnx2x_vfpf_close_vf(struct bnx2x *bp) 490 { 491 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 492 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 493 int i, rc; 494 u32 vf_id; 495 496 /* If we haven't got a valid VF id, there is no sense to 497 * continue with sending messages 498 */ 499 if (bnx2x_get_vf_id(bp, &vf_id)) 500 goto free_irq; 501 502 /* Close the queues */ 503 for_each_queue(bp, i) 504 bnx2x_vfpf_teardown_queue(bp, i); 505 506 /* remove mac */ 507 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 508 509 /* clear mailbox and prep first tlv */ 510 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 511 512 req->vf_id = vf_id; 513 514 /* add list termination tlv */ 515 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 516 sizeof(struct channel_list_end_tlv)); 517 518 /* output tlvs list */ 519 bnx2x_dp_tlv_list(bp, req); 520 521 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 522 523 if (rc) 524 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 525 526 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 527 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 528 resp->hdr.status); 529 530 bnx2x_vfpf_finalize(bp, &req->first_tlv); 531 532 free_irq: 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 } 541 542 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 543 struct bnx2x_vf_queue *q) 544 { 545 u8 cl_id = vfq_cl_id(vf, q); 546 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 547 548 /* mac */ 549 bnx2x_init_mac_obj(bp, &q->mac_obj, 550 cl_id, q->cid, func_id, 551 bnx2x_vf_sp(bp, vf, mac_rdata), 552 bnx2x_vf_sp_map(bp, vf, mac_rdata), 553 BNX2X_FILTER_MAC_PENDING, 554 &vf->filter_state, 555 BNX2X_OBJ_TYPE_RX_TX, 556 &vf->vf_macs_pool); 557 /* vlan */ 558 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 559 cl_id, q->cid, func_id, 560 bnx2x_vf_sp(bp, vf, vlan_rdata), 561 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 562 BNX2X_FILTER_VLAN_PENDING, 563 &vf->filter_state, 564 BNX2X_OBJ_TYPE_RX_TX, 565 &vf->vf_vlans_pool); 566 /* vlan-mac */ 567 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj, 568 cl_id, q->cid, func_id, 569 bnx2x_vf_sp(bp, vf, vlan_mac_rdata), 570 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata), 571 BNX2X_FILTER_VLAN_MAC_PENDING, 572 &vf->filter_state, 573 BNX2X_OBJ_TYPE_RX_TX, 574 &vf->vf_macs_pool, 575 &vf->vf_vlans_pool); 576 /* mcast */ 577 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 578 q->cid, func_id, func_id, 579 bnx2x_vf_sp(bp, vf, mcast_rdata), 580 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 581 BNX2X_FILTER_MCAST_PENDING, 582 &vf->filter_state, 583 BNX2X_OBJ_TYPE_RX_TX); 584 585 /* rss */ 586 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 587 func_id, func_id, 588 bnx2x_vf_sp(bp, vf, rss_rdata), 589 bnx2x_vf_sp_map(bp, vf, rss_rdata), 590 BNX2X_FILTER_RSS_CONF_PENDING, 591 &vf->filter_state, 592 BNX2X_OBJ_TYPE_RX_TX); 593 594 vf->leading_rss = cl_id; 595 q->is_leading = true; 596 q->sp_initialized = true; 597 } 598 599 /* ask the pf to open a queue for the vf */ 600 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 601 bool is_leading) 602 { 603 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 604 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 605 u8 fp_idx = fp->index; 606 u16 tpa_agg_size = 0, flags = 0; 607 int rc; 608 609 /* clear mailbox and prep first tlv */ 610 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 611 612 /* select tpa mode to request */ 613 if (fp->mode != TPA_MODE_DISABLED) { 614 flags |= VFPF_QUEUE_FLG_TPA; 615 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 616 if (fp->mode == TPA_MODE_GRO) 617 flags |= VFPF_QUEUE_FLG_TPA_GRO; 618 tpa_agg_size = TPA_AGG_SIZE; 619 } 620 621 if (is_leading) 622 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 623 624 /* calculate queue flags */ 625 flags |= VFPF_QUEUE_FLG_STATS; 626 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 627 flags |= VFPF_QUEUE_FLG_VLAN; 628 629 /* Common */ 630 req->vf_qid = fp_idx; 631 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 632 633 /* Rx */ 634 req->rxq.rcq_addr = fp->rx_comp_mapping; 635 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 636 req->rxq.rxq_addr = fp->rx_desc_mapping; 637 req->rxq.sge_addr = fp->rx_sge_mapping; 638 req->rxq.vf_sb = fp_idx; 639 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 640 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 641 req->rxq.mtu = bp->dev->mtu; 642 req->rxq.buf_sz = fp->rx_buf_size; 643 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 644 req->rxq.tpa_agg_sz = tpa_agg_size; 645 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 646 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 647 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 648 req->rxq.flags = flags; 649 req->rxq.drop_flags = 0; 650 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 651 req->rxq.stat_id = -1; /* No stats at the moment */ 652 653 /* Tx */ 654 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 655 req->txq.vf_sb = fp_idx; 656 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 657 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 658 req->txq.flags = flags; 659 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 660 661 /* add list termination tlv */ 662 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 663 sizeof(struct channel_list_end_tlv)); 664 665 /* output tlvs list */ 666 bnx2x_dp_tlv_list(bp, req); 667 668 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 669 if (rc) 670 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 671 fp_idx); 672 673 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 674 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 675 fp_idx, resp->hdr.status); 676 rc = -EINVAL; 677 } 678 679 bnx2x_vfpf_finalize(bp, &req->first_tlv); 680 681 return rc; 682 } 683 684 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 685 { 686 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 687 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 688 int rc; 689 690 /* clear mailbox and prep first tlv */ 691 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 692 sizeof(*req)); 693 694 req->vf_qid = qidx; 695 696 /* add list termination tlv */ 697 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 698 sizeof(struct channel_list_end_tlv)); 699 700 /* output tlvs list */ 701 bnx2x_dp_tlv_list(bp, req); 702 703 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 704 705 if (rc) { 706 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 707 rc); 708 goto out; 709 } 710 711 /* PF failed the transaction */ 712 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 713 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 714 resp->hdr.status); 715 rc = -EINVAL; 716 } 717 718 out: 719 bnx2x_vfpf_finalize(bp, &req->first_tlv); 720 721 return rc; 722 } 723 724 /* request pf to add a mac for the vf */ 725 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 726 { 727 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 728 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 729 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 730 int rc = 0; 731 732 /* clear mailbox and prep first tlv */ 733 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 734 sizeof(*req)); 735 736 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 737 req->vf_qid = vf_qid; 738 req->n_mac_vlan_filters = 1; 739 740 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 741 if (set) 742 req->filters[0].flags |= VFPF_Q_FILTER_SET; 743 744 /* sample bulletin board for new mac */ 745 bnx2x_sample_bulletin(bp); 746 747 /* copy mac from device to request */ 748 memcpy(req->filters[0].mac, addr, ETH_ALEN); 749 750 /* add list termination tlv */ 751 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 752 sizeof(struct channel_list_end_tlv)); 753 754 /* output tlvs list */ 755 bnx2x_dp_tlv_list(bp, req); 756 757 /* send message to pf */ 758 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 759 if (rc) { 760 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 761 goto out; 762 } 763 764 /* failure may mean PF was configured with a new mac for us */ 765 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 766 DP(BNX2X_MSG_IOV, 767 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 768 769 /* copy mac from bulletin to device */ 770 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 771 772 /* check if bulletin board was updated */ 773 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 774 /* copy mac from device to request */ 775 memcpy(req->filters[0].mac, bp->dev->dev_addr, 776 ETH_ALEN); 777 778 /* send message to pf */ 779 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 780 bp->vf2pf_mbox_mapping); 781 } else { 782 /* no new info in bulletin */ 783 break; 784 } 785 } 786 787 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 788 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 789 rc = -EINVAL; 790 } 791 out: 792 bnx2x_vfpf_finalize(bp, &req->first_tlv); 793 794 return rc; 795 } 796 797 /* request pf to config rss table for vf queues*/ 798 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 799 struct bnx2x_config_rss_params *params) 800 { 801 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 802 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 803 int rc = 0; 804 805 /* clear mailbox and prep first tlv */ 806 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 807 sizeof(*req)); 808 809 /* add list termination tlv */ 810 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 811 sizeof(struct channel_list_end_tlv)); 812 813 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 814 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 815 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 816 req->rss_key_size = T_ETH_RSS_KEY; 817 req->rss_result_mask = params->rss_result_mask; 818 819 /* flags handled individually for backward/forward compatibility */ 820 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 821 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 822 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 823 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 824 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 825 req->rss_flags |= VFPF_RSS_SET_SRCH; 826 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 827 req->rss_flags |= VFPF_RSS_IPV4; 828 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 829 req->rss_flags |= VFPF_RSS_IPV4_TCP; 830 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 831 req->rss_flags |= VFPF_RSS_IPV4_UDP; 832 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 833 req->rss_flags |= VFPF_RSS_IPV6; 834 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 835 req->rss_flags |= VFPF_RSS_IPV6_TCP; 836 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 837 req->rss_flags |= VFPF_RSS_IPV6_UDP; 838 839 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 840 841 /* output tlvs list */ 842 bnx2x_dp_tlv_list(bp, req); 843 844 /* send message to pf */ 845 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 846 if (rc) { 847 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 848 goto out; 849 } 850 851 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 852 /* Since older drivers don't support this feature (and VF has 853 * no way of knowing other than failing this), don't propagate 854 * an error in this case. 855 */ 856 DP(BNX2X_MSG_IOV, 857 "Failed to send rss message to PF over VF-PF channel [%d]\n", 858 resp->hdr.status); 859 } 860 out: 861 bnx2x_vfpf_finalize(bp, &req->first_tlv); 862 863 return rc; 864 } 865 866 int bnx2x_vfpf_set_mcast(struct net_device *dev) 867 { 868 struct bnx2x *bp = netdev_priv(dev); 869 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 870 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 871 int rc, i = 0; 872 struct netdev_hw_addr *ha; 873 874 if (bp->state != BNX2X_STATE_OPEN) { 875 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 876 return -EINVAL; 877 } 878 879 /* clear mailbox and prep first tlv */ 880 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 881 sizeof(*req)); 882 883 /* Get Rx mode requested */ 884 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 885 886 netdev_for_each_mc_addr(ha, dev) { 887 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 888 bnx2x_mc_addr(ha)); 889 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 890 i++; 891 } 892 893 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast 894 * addresses tops 895 */ 896 if (i >= PFVF_MAX_MULTICAST_PER_VF) { 897 DP(NETIF_MSG_IFUP, 898 "VF supports not more than %d multicast MAC addresses\n", 899 PFVF_MAX_MULTICAST_PER_VF); 900 return -EINVAL; 901 } 902 903 req->n_multicast = i; 904 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 905 req->vf_qid = 0; 906 907 /* add list termination tlv */ 908 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 909 sizeof(struct channel_list_end_tlv)); 910 911 /* output tlvs list */ 912 bnx2x_dp_tlv_list(bp, req); 913 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 914 if (rc) { 915 BNX2X_ERR("Sending a message failed: %d\n", rc); 916 goto out; 917 } 918 919 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 920 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 921 resp->hdr.status); 922 rc = -EINVAL; 923 } 924 out: 925 bnx2x_vfpf_finalize(bp, &req->first_tlv); 926 927 return 0; 928 } 929 930 /* request pf to add a vlan for the vf */ 931 int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) 932 { 933 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 934 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 935 int rc = 0; 936 937 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { 938 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); 939 return 0; 940 } 941 942 /* clear mailbox and prep first tlv */ 943 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 944 sizeof(*req)); 945 946 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 947 req->vf_qid = vf_qid; 948 req->n_mac_vlan_filters = 1; 949 950 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; 951 952 if (add) 953 req->filters[0].flags |= VFPF_Q_FILTER_SET; 954 955 /* sample bulletin board for hypervisor vlan */ 956 bnx2x_sample_bulletin(bp); 957 958 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { 959 BNX2X_ERR("Hypervisor will dicline the request, avoiding\n"); 960 rc = -EINVAL; 961 goto out; 962 } 963 964 req->filters[0].vlan_tag = vid; 965 966 /* add list termination tlv */ 967 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 968 sizeof(struct channel_list_end_tlv)); 969 970 /* output tlvs list */ 971 bnx2x_dp_tlv_list(bp, req); 972 973 /* send message to pf */ 974 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 975 if (rc) { 976 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 977 goto out; 978 } 979 980 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 981 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", 982 vid); 983 rc = -EINVAL; 984 } 985 out: 986 bnx2x_vfpf_finalize(bp, &req->first_tlv); 987 988 return rc; 989 } 990 991 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 992 { 993 int mode = bp->rx_mode; 994 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 995 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 996 int rc; 997 998 /* clear mailbox and prep first tlv */ 999 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 1000 sizeof(*req)); 1001 1002 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 1003 1004 /* Ignore everything accept MODE_NONE */ 1005 if (mode == BNX2X_RX_MODE_NONE) { 1006 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 1007 } else { 1008 /* Current PF driver will not look at the specific flags, 1009 * but they are required when working with older drivers on hv. 1010 */ 1011 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 1012 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 1013 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 1014 if (mode == BNX2X_RX_MODE_PROMISC) 1015 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1016 } 1017 1018 if (bp->accept_any_vlan) 1019 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1020 1021 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 1022 req->vf_qid = 0; 1023 1024 /* add list termination tlv */ 1025 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 1026 sizeof(struct channel_list_end_tlv)); 1027 1028 /* output tlvs list */ 1029 bnx2x_dp_tlv_list(bp, req); 1030 1031 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 1032 if (rc) 1033 BNX2X_ERR("Sending a message failed: %d\n", rc); 1034 1035 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1036 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 1037 rc = -EINVAL; 1038 } 1039 1040 bnx2x_vfpf_finalize(bp, &req->first_tlv); 1041 1042 return rc; 1043 } 1044 1045 /* General service functions */ 1046 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 1047 { 1048 u32 addr = BAR_CSTRORM_INTMEM + 1049 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 1050 1051 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 1052 } 1053 1054 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 1055 { 1056 u32 addr = BAR_CSTRORM_INTMEM + 1057 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 1058 1059 REG_WR8(bp, addr, 1); 1060 } 1061 1062 /* enable vf_pf mailbox (aka vf-pf-channel) */ 1063 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 1064 { 1065 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 1066 1067 /* enable the mailbox in the FW */ 1068 storm_memset_vf_mbx_ack(bp, abs_vfid); 1069 storm_memset_vf_mbx_valid(bp, abs_vfid); 1070 1071 /* enable the VF access to the mailbox */ 1072 bnx2x_vf_enable_access(bp, abs_vfid); 1073 } 1074 1075 /* this works only on !E1h */ 1076 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 1077 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 1078 u32 vf_addr_lo, u32 len32) 1079 { 1080 struct dmae_command dmae; 1081 1082 if (CHIP_IS_E1x(bp)) { 1083 BNX2X_ERR("Chip revision does not support VFs\n"); 1084 return DMAE_NOT_RDY; 1085 } 1086 1087 if (!bp->dmae_ready) { 1088 BNX2X_ERR("DMAE is not ready, can not copy\n"); 1089 return DMAE_NOT_RDY; 1090 } 1091 1092 /* set opcode and fixed command fields */ 1093 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1094 1095 if (from_vf) { 1096 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1097 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1098 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1099 1100 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1101 1102 dmae.src_addr_lo = vf_addr_lo; 1103 dmae.src_addr_hi = vf_addr_hi; 1104 dmae.dst_addr_lo = U64_LO(pf_addr); 1105 dmae.dst_addr_hi = U64_HI(pf_addr); 1106 } else { 1107 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1108 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1109 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1110 1111 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1112 1113 dmae.src_addr_lo = U64_LO(pf_addr); 1114 dmae.src_addr_hi = U64_HI(pf_addr); 1115 dmae.dst_addr_lo = vf_addr_lo; 1116 dmae.dst_addr_hi = vf_addr_hi; 1117 } 1118 dmae.len = len32; 1119 1120 /* issue the command and wait for completion */ 1121 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1122 } 1123 1124 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1125 struct bnx2x_virtf *vf) 1126 { 1127 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1128 u16 length, type; 1129 1130 /* prepare response */ 1131 type = mbx->first_tlv.tl.type; 1132 length = type == CHANNEL_TLV_ACQUIRE ? 1133 sizeof(struct pfvf_acquire_resp_tlv) : 1134 sizeof(struct pfvf_general_resp_tlv); 1135 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1136 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1137 sizeof(struct channel_list_end_tlv)); 1138 } 1139 1140 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1141 struct bnx2x_virtf *vf, 1142 int vf_rc) 1143 { 1144 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1145 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1146 dma_addr_t pf_addr; 1147 u64 vf_addr; 1148 int rc; 1149 1150 bnx2x_dp_tlv_list(bp, resp); 1151 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1152 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1153 1154 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1155 1156 /* send response */ 1157 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1158 mbx->first_tlv.resp_msg_offset; 1159 pf_addr = mbx->msg_mapping + 1160 offsetof(struct bnx2x_vf_mbx_msg, resp); 1161 1162 /* Copy the response buffer. The first u64 is written afterwards, as 1163 * the vf is sensitive to the header being written 1164 */ 1165 vf_addr += sizeof(u64); 1166 pf_addr += sizeof(u64); 1167 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1168 U64_HI(vf_addr), 1169 U64_LO(vf_addr), 1170 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1171 if (rc) { 1172 BNX2X_ERR("Failed to copy response body to VF %d\n", 1173 vf->abs_vfid); 1174 goto mbx_error; 1175 } 1176 vf_addr -= sizeof(u64); 1177 pf_addr -= sizeof(u64); 1178 1179 /* ack the FW */ 1180 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1181 mmiowb(); 1182 1183 /* copy the response header including status-done field, 1184 * must be last dmae, must be after FW is acked 1185 */ 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 1201 mbx_error: 1202 bnx2x_vf_release(bp, vf); 1203 } 1204 1205 static 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 1213 static 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 tail 1231 * of TLV data (outside this function scope) 1232 */ 1233 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1234 } 1235 1236 static 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 tail 1251 * of TLV data (outside this function scope) 1252 */ 1253 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv); 1254 } 1255 1256 static 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 these 1281 * are max possible numbers 1282 */ 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 empty 1345 * 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, since 1352 * if that's not the case they could print into system log the fact 1353 * 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 1364 static 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 1381 static 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 also 1386 * send a physical port request 1387 */ 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 1399 static 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 calculate 1415 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover 1416 * 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 else 1432 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 1464 out: 1465 /* response */ 1466 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1467 } 1468 1469 static 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 */ 1493 static 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 1520 static 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 queue 1536 * 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 SBs 1595 * for TX and RX 1596 */ 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 } 1644 response: 1645 bnx2x_vf_mbx_resp(bp, vf, rc); 1646 } 1647 1648 static 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 size_t fsz; 1657 1658 fsz = tlv->n_mac_vlan_filters * 1659 sizeof(struct bnx2x_vf_mac_vlan_filter) + 1660 sizeof(struct bnx2x_vf_mac_vlan_filters); 1661 1662 fl = kzalloc(fsz, GFP_KERNEL); 1663 if (!fl) 1664 return -ENOMEM; 1665 1666 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1667 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1668 1669 if ((msg_filter->flags & type_flag) != type_flag) 1670 continue; 1671 memset(&fl->filters[j], 0, sizeof(fl->filters[j])); 1672 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { 1673 fl->filters[j].mac = msg_filter->mac; 1674 fl->filters[j].type |= BNX2X_VF_FILTER_MAC; 1675 } 1676 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { 1677 fl->filters[j].vid = msg_filter->vlan_tag; 1678 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; 1679 } 1680 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); 1681 fl->count++; 1682 j++; 1683 } 1684 if (!fl->count) 1685 kfree(fl); 1686 else 1687 *pfl = fl; 1688 1689 return 0; 1690 } 1691 1692 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, 1693 u32 flags) 1694 { 1695 int i, cnt = 0; 1696 1697 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1698 if ((filters->filters[i].flags & flags) == flags) 1699 cnt++; 1700 1701 return cnt; 1702 } 1703 1704 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1705 struct vfpf_q_mac_vlan_filter *filter) 1706 { 1707 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1708 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1709 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1710 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1711 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1712 DP_CONT(msglvl, "\n"); 1713 } 1714 1715 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1716 struct vfpf_set_q_filters_tlv *filters) 1717 { 1718 int i; 1719 1720 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1721 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1722 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1723 &filters->filters[i]); 1724 1725 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1726 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1727 1728 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1729 for (i = 0; i < filters->n_multicast; i++) 1730 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1731 } 1732 1733 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1734 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1735 #define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) 1736 1737 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1738 { 1739 int rc = 0; 1740 1741 struct vfpf_set_q_filters_tlv *msg = 1742 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1743 1744 /* check for any mac/vlan changes */ 1745 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1746 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1747 1748 /* build vlan-mac list */ 1749 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1750 VFPF_VLAN_MAC_FILTER); 1751 if (rc) 1752 goto op_err; 1753 1754 if (fl) { 1755 1756 /* set vlan-mac list */ 1757 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1758 msg->vf_qid, 1759 false); 1760 if (rc) 1761 goto op_err; 1762 } 1763 1764 /* build mac list */ 1765 fl = NULL; 1766 1767 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1768 VFPF_MAC_FILTER); 1769 if (rc) 1770 goto op_err; 1771 1772 if (fl) { 1773 /* set mac list */ 1774 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1775 msg->vf_qid, 1776 false); 1777 if (rc) 1778 goto op_err; 1779 } 1780 1781 } 1782 1783 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1784 unsigned long accept = 0; 1785 struct pf_vf_bulletin_content *bulletin = 1786 BP_VF_BULLETIN(bp, vf->index); 1787 1788 /* Ignore VF requested mode; instead set a regular mode */ 1789 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1790 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1791 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1792 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1793 } 1794 1795 /* any_vlan is not configured if HV is forcing VLAN 1796 * any_vlan is configured if 1797 * 1. VF does not support vlan filtering 1798 * OR 1799 * 2. VF supports vlan filtering and explicitly requested it 1800 */ 1801 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && 1802 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || 1803 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) 1804 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1805 1806 /* set rx-mode */ 1807 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1808 if (rc) 1809 goto op_err; 1810 } 1811 1812 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1813 /* set mcasts */ 1814 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1815 msg->n_multicast, false); 1816 if (rc) 1817 goto op_err; 1818 } 1819 op_err: 1820 if (rc) 1821 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1822 vf->abs_vfid, msg->vf_qid, rc); 1823 return rc; 1824 } 1825 1826 static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1827 struct bnx2x_virtf *vf, 1828 struct vfpf_set_q_filters_tlv *filters) 1829 { 1830 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1831 int rc = 0; 1832 1833 /* if a mac was already set for this VF via the set vf mac ndo, we only 1834 * accept mac configurations of that mac. Why accept them at all? 1835 * because PF may have been unable to configure the mac at the time 1836 * since queue was not set up. 1837 */ 1838 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1839 struct vfpf_q_mac_vlan_filter *filter = NULL; 1840 int i; 1841 1842 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1843 if (!(filters->filters[i].flags & 1844 VFPF_Q_FILTER_DEST_MAC_VALID)) 1845 continue; 1846 1847 /* once a mac was set by ndo can only accept 1848 * a single mac... 1849 */ 1850 if (filter) { 1851 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", 1852 vf->abs_vfid, 1853 filters->n_mac_vlan_filters); 1854 rc = -EPERM; 1855 goto response; 1856 } 1857 1858 filter = &filters->filters[i]; 1859 } 1860 1861 /* ...and only the mac set by the ndo */ 1862 if (filter && 1863 !ether_addr_equal(filter->mac, bulletin->mac)) { 1864 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1865 vf->abs_vfid); 1866 1867 rc = -EPERM; 1868 goto response; 1869 } 1870 } 1871 1872 response: 1873 return rc; 1874 } 1875 1876 static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1877 struct bnx2x_virtf *vf, 1878 struct vfpf_set_q_filters_tlv *filters) 1879 { 1880 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1881 int rc = 0; 1882 1883 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1884 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1885 /* search for vlan filters */ 1886 1887 if (bnx2x_vf_filters_contain(filters, 1888 VFPF_Q_FILTER_VLAN_TAG_VALID)) { 1889 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1890 vf->abs_vfid); 1891 rc = -EPERM; 1892 goto response; 1893 } 1894 } 1895 1896 /* verify vf_qid */ 1897 if (filters->vf_qid > vf_rxq_count(vf)) { 1898 rc = -EPERM; 1899 goto response; 1900 } 1901 1902 response: 1903 return rc; 1904 } 1905 1906 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1907 struct bnx2x_virtf *vf, 1908 struct bnx2x_vf_mbx *mbx) 1909 { 1910 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1911 int rc; 1912 1913 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1914 if (rc) 1915 goto response; 1916 1917 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1918 if (rc) 1919 goto response; 1920 1921 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1922 vf->abs_vfid, 1923 filters->vf_qid); 1924 1925 /* print q_filter message */ 1926 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1927 1928 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1929 response: 1930 bnx2x_vf_mbx_resp(bp, vf, rc); 1931 } 1932 1933 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1934 struct bnx2x_vf_mbx *mbx) 1935 { 1936 int qid = mbx->msg->req.q_op.vf_qid; 1937 int rc; 1938 1939 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1940 vf->abs_vfid, qid); 1941 1942 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1943 bnx2x_vf_mbx_resp(bp, vf, rc); 1944 } 1945 1946 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1947 struct bnx2x_vf_mbx *mbx) 1948 { 1949 int rc; 1950 1951 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1952 1953 rc = bnx2x_vf_close(bp, vf); 1954 bnx2x_vf_mbx_resp(bp, vf, rc); 1955 } 1956 1957 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1958 struct bnx2x_vf_mbx *mbx) 1959 { 1960 int rc; 1961 1962 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1963 1964 rc = bnx2x_vf_free(bp, vf); 1965 bnx2x_vf_mbx_resp(bp, vf, rc); 1966 } 1967 1968 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1969 struct bnx2x_vf_mbx *mbx) 1970 { 1971 struct bnx2x_config_rss_params rss; 1972 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1973 int rc = 0; 1974 1975 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1976 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1977 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1978 vf->index); 1979 rc = -EINVAL; 1980 goto mbx_resp; 1981 } 1982 1983 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 1984 1985 /* set vfop params according to rss tlv */ 1986 memcpy(rss.ind_table, rss_tlv->ind_table, 1987 T_ETH_INDIRECTION_TABLE_SIZE); 1988 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 1989 rss.rss_obj = &vf->rss_conf_obj; 1990 rss.rss_result_mask = rss_tlv->rss_result_mask; 1991 1992 /* flags handled individually for backward/forward compatibility */ 1993 rss.rss_flags = 0; 1994 rss.ramrod_flags = 0; 1995 1996 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 1997 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 1998 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 1999 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 2000 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 2001 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 2002 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 2003 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 2004 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 2005 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 2006 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 2007 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 2008 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 2009 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 2010 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 2011 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 2012 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 2013 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 2014 2015 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 2016 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 2017 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 2018 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 2019 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 2020 rc = -EINVAL; 2021 goto mbx_resp; 2022 } 2023 2024 rc = bnx2x_vf_rss_update(bp, vf, &rss); 2025 mbx_resp: 2026 bnx2x_vf_mbx_resp(bp, vf, rc); 2027 } 2028 2029 static int bnx2x_validate_tpa_params(struct bnx2x *bp, 2030 struct vfpf_tpa_tlv *tpa_tlv) 2031 { 2032 int rc = 0; 2033 2034 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 2035 U_ETH_MAX_SGES_FOR_PACKET) { 2036 rc = -EINVAL; 2037 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 2038 tpa_tlv->tpa_client_info.max_sges_for_packet, 2039 U_ETH_MAX_SGES_FOR_PACKET); 2040 } 2041 2042 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 2043 rc = -EINVAL; 2044 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 2045 tpa_tlv->tpa_client_info.max_tpa_queues, 2046 MAX_AGG_QS(bp)); 2047 } 2048 2049 return rc; 2050 } 2051 2052 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 2053 struct bnx2x_vf_mbx *mbx) 2054 { 2055 struct bnx2x_queue_update_tpa_params vf_op_params; 2056 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 2057 int rc = 0; 2058 2059 memset(&vf_op_params, 0, sizeof(vf_op_params)); 2060 2061 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 2062 goto mbx_resp; 2063 2064 vf_op_params.complete_on_both_clients = 2065 tpa_tlv->tpa_client_info.complete_on_both_clients; 2066 vf_op_params.dont_verify_thr = 2067 tpa_tlv->tpa_client_info.dont_verify_thr; 2068 vf_op_params.max_agg_sz = 2069 tpa_tlv->tpa_client_info.max_agg_size; 2070 vf_op_params.max_sges_pkt = 2071 tpa_tlv->tpa_client_info.max_sges_for_packet; 2072 vf_op_params.max_tpa_queues = 2073 tpa_tlv->tpa_client_info.max_tpa_queues; 2074 vf_op_params.sge_buff_sz = 2075 tpa_tlv->tpa_client_info.sge_buff_size; 2076 vf_op_params.sge_pause_thr_high = 2077 tpa_tlv->tpa_client_info.sge_pause_thr_high; 2078 vf_op_params.sge_pause_thr_low = 2079 tpa_tlv->tpa_client_info.sge_pause_thr_low; 2080 vf_op_params.tpa_mode = 2081 tpa_tlv->tpa_client_info.tpa_mode; 2082 vf_op_params.update_ipv4 = 2083 tpa_tlv->tpa_client_info.update_ipv4; 2084 vf_op_params.update_ipv6 = 2085 tpa_tlv->tpa_client_info.update_ipv6; 2086 2087 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 2088 2089 mbx_resp: 2090 bnx2x_vf_mbx_resp(bp, vf, rc); 2091 } 2092 2093 /* dispatch request */ 2094 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 2095 struct bnx2x_vf_mbx *mbx) 2096 { 2097 int i; 2098 2099 /* check if tlv type is known */ 2100 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 2101 /* Lock the per vf op mutex and note the locker's identity. 2102 * The unlock will take place in mbx response. 2103 */ 2104 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2105 2106 /* switch on the opcode */ 2107 switch (mbx->first_tlv.tl.type) { 2108 case CHANNEL_TLV_ACQUIRE: 2109 bnx2x_vf_mbx_acquire(bp, vf, mbx); 2110 return; 2111 case CHANNEL_TLV_INIT: 2112 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 2113 return; 2114 case CHANNEL_TLV_SETUP_Q: 2115 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 2116 return; 2117 case CHANNEL_TLV_SET_Q_FILTERS: 2118 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 2119 return; 2120 case CHANNEL_TLV_TEARDOWN_Q: 2121 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 2122 return; 2123 case CHANNEL_TLV_CLOSE: 2124 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 2125 return; 2126 case CHANNEL_TLV_RELEASE: 2127 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 2128 return; 2129 case CHANNEL_TLV_UPDATE_RSS: 2130 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 2131 return; 2132 case CHANNEL_TLV_UPDATE_TPA: 2133 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 2134 return; 2135 } 2136 2137 } else { 2138 /* unknown TLV - this may belong to a VF driver from the future 2139 * - a version written after this PF driver was written, which 2140 * supports features unknown as of yet. Too bad since we don't 2141 * support them. Or this may be because someone wrote a crappy 2142 * VF driver and is sending garbage over the channel. 2143 */ 2144 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 2145 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 2146 vf->state); 2147 for (i = 0; i < 20; i++) 2148 DP_CONT(BNX2X_MSG_IOV, "%x ", 2149 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 2150 } 2151 2152 /* can we respond to VF (do we have an address for it?) */ 2153 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 2154 /* notify the VF that we do not support this request */ 2155 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 2156 } else { 2157 /* can't send a response since this VF is unknown to us 2158 * just ack the FW to release the mailbox and unlock 2159 * the channel. 2160 */ 2161 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2162 /* Firmware ack should be written before unlocking channel */ 2163 mmiowb(); 2164 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2165 } 2166 } 2167 2168 void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 2169 struct vf_pf_event_data *vfpf_event) 2170 { 2171 u8 vf_idx; 2172 2173 DP(BNX2X_MSG_IOV, 2174 "vf pf event received: vfid %d, address_hi %x, address lo %x", 2175 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 2176 /* Sanity checks consider removing later */ 2177 2178 /* check if the vf_id is valid */ 2179 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 2180 BNX2X_NR_VIRTFN(bp)) { 2181 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 2182 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 2183 return; 2184 } 2185 2186 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 2187 2188 /* Update VFDB with current message and schedule its handling */ 2189 mutex_lock(&BP_VFDB(bp)->event_mutex); 2190 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = vfpf_event->msg_addr_hi; 2191 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = vfpf_event->msg_addr_lo; 2192 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 2193 mutex_unlock(&BP_VFDB(bp)->event_mutex); 2194 2195 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 2196 } 2197 2198 /* handle new vf-pf messages */ 2199 void bnx2x_vf_mbx(struct bnx2x *bp) 2200 { 2201 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 2202 u64 events; 2203 u8 vf_idx; 2204 int rc; 2205 2206 if (!vfdb) 2207 return; 2208 2209 mutex_lock(&vfdb->event_mutex); 2210 events = vfdb->event_occur; 2211 vfdb->event_occur = 0; 2212 mutex_unlock(&vfdb->event_mutex); 2213 2214 for_each_vf(bp, vf_idx) { 2215 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 2216 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 2217 2218 /* Handle VFs which have pending events */ 2219 if (!(events & (1ULL << vf_idx))) 2220 continue; 2221 2222 DP(BNX2X_MSG_IOV, 2223 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 2224 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 2225 mbx->first_tlv.resp_msg_offset); 2226 2227 /* dmae to get the VF request */ 2228 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2229 vf->abs_vfid, mbx->vf_addr_hi, 2230 mbx->vf_addr_lo, 2231 sizeof(union vfpf_tlvs)/4); 2232 if (rc) { 2233 BNX2X_ERR("Failed to copy request VF %d\n", 2234 vf->abs_vfid); 2235 bnx2x_vf_release(bp, vf); 2236 return; 2237 } 2238 2239 /* process the VF message header */ 2240 mbx->first_tlv = mbx->msg->req.first_tlv; 2241 2242 /* Clean response buffer to refrain from falsely 2243 * seeing chains. 2244 */ 2245 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2246 2247 /* dispatch the request (will prepare the response) */ 2248 bnx2x_vf_mbx_request(bp, vf, mbx); 2249 } 2250 } 2251 2252 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2253 bool support_long) 2254 { 2255 /* Older VFs contain a bug where they can't check CRC for bulletin 2256 * boards of length greater than legacy size. 2257 */ 2258 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2259 BULLETIN_CONTENT_LEGACY_SIZE; 2260 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2261 } 2262 2263 /* propagate local bulletin board to vf */ 2264 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2265 { 2266 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2267 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2268 vf * BULLETIN_CONTENT_SIZE; 2269 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2270 int rc; 2271 2272 /* can only update vf after init took place */ 2273 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2274 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2275 return 0; 2276 2277 /* increment bulletin board version and compute crc */ 2278 bulletin->version++; 2279 bnx2x_vf_bulletin_finalize(bulletin, 2280 (bnx2x_vf(bp, vf, cfg_flags) & 2281 VF_CFG_EXT_BULLETIN) ? true : false); 2282 2283 /* propagate bulletin board via dmae to vm memory */ 2284 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2285 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2286 U64_LO(vf_addr), bulletin->length / 4); 2287 return rc; 2288 } 2289