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 mmiowb(); 176 177 /* Wait for PF to complete */ 178 while ((tout >= 0) && (!*done)) { 179 msleep(interval); 180 tout -= 1; 181 182 /* progress indicator - HV can take its own sweet time in 183 * answering VFs... 184 */ 185 DP_CONT(BNX2X_MSG_IOV, "."); 186 } 187 188 if (!*done) { 189 BNX2X_ERR("PF response has timed out\n"); 190 return -EAGAIN; 191 } 192 DP(BNX2X_MSG_SP, "Got a response from PF\n"); 193 return 0; 194 } 195 196 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) 197 { 198 u32 me_reg; 199 int tout = 10, interval = 100; /* Wait for 1 sec */ 200 201 do { 202 /* pxp traps vf read of doorbells and returns me reg value */ 203 me_reg = readl(bp->doorbells); 204 if (GOOD_ME_REG(me_reg)) 205 break; 206 207 msleep(interval); 208 209 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", 210 me_reg); 211 } while (tout-- > 0); 212 213 if (!GOOD_ME_REG(me_reg)) { 214 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); 215 return -EINVAL; 216 } 217 218 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); 219 220 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; 221 222 return 0; 223 } 224 225 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) 226 { 227 int rc = 0, attempts = 0; 228 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; 229 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; 230 struct vfpf_port_phys_id_resp_tlv *phys_port_resp; 231 struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp; 232 u32 vf_id; 233 bool resources_acquired = false; 234 235 /* clear mailbox and prep first tlv */ 236 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 237 238 if (bnx2x_get_vf_id(bp, &vf_id)) { 239 rc = -EAGAIN; 240 goto out; 241 } 242 243 req->vfdev_info.vf_id = vf_id; 244 req->vfdev_info.vf_os = 0; 245 req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION; 246 247 req->resc_request.num_rxqs = rx_count; 248 req->resc_request.num_txqs = tx_count; 249 req->resc_request.num_sbs = bp->igu_sb_cnt; 250 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; 251 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; 252 req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS; 253 254 /* pf 2 vf bulletin board address */ 255 req->bulletin_addr = bp->pf2vf_bulletin_mapping; 256 257 /* Request physical port identifier */ 258 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, 259 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); 260 261 /* Bulletin support for bulletin board with length > legacy length */ 262 req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN; 263 /* vlan filtering is supported */ 264 req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER; 265 266 /* add list termination tlv */ 267 bnx2x_add_tlv(bp, req, 268 req->first_tlv.tl.length + sizeof(struct channel_tlv), 269 CHANNEL_TLV_LIST_END, 270 sizeof(struct channel_list_end_tlv)); 271 272 /* output tlvs list */ 273 bnx2x_dp_tlv_list(bp, req); 274 275 while (!resources_acquired) { 276 DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); 277 278 /* send acquire request */ 279 rc = bnx2x_send_msg2pf(bp, 280 &resp->hdr.status, 281 bp->vf2pf_mbox_mapping); 282 283 /* PF timeout */ 284 if (rc) 285 goto out; 286 287 /* copy acquire response from buffer to bp */ 288 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); 289 290 attempts++; 291 292 /* test whether the PF accepted our request. If not, humble 293 * the request and try again. 294 */ 295 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { 296 DP(BNX2X_MSG_SP, "resources acquired\n"); 297 resources_acquired = true; 298 } else if (bp->acquire_resp.hdr.status == 299 PFVF_STATUS_NO_RESOURCE && 300 attempts < VF_ACQUIRE_THRESH) { 301 DP(BNX2X_MSG_SP, 302 "PF unwilling to fulfill resource request. Try PF recommended amount\n"); 303 304 /* humble our request */ 305 req->resc_request.num_txqs = 306 min(req->resc_request.num_txqs, 307 bp->acquire_resp.resc.num_txqs); 308 req->resc_request.num_rxqs = 309 min(req->resc_request.num_rxqs, 310 bp->acquire_resp.resc.num_rxqs); 311 req->resc_request.num_sbs = 312 min(req->resc_request.num_sbs, 313 bp->acquire_resp.resc.num_sbs); 314 req->resc_request.num_mac_filters = 315 min(req->resc_request.num_mac_filters, 316 bp->acquire_resp.resc.num_mac_filters); 317 req->resc_request.num_vlan_filters = 318 min(req->resc_request.num_vlan_filters, 319 bp->acquire_resp.resc.num_vlan_filters); 320 req->resc_request.num_mc_filters = 321 min(req->resc_request.num_mc_filters, 322 bp->acquire_resp.resc.num_mc_filters); 323 324 /* Clear response buffer */ 325 memset(&bp->vf2pf_mbox->resp, 0, 326 sizeof(union pfvf_tlvs)); 327 } else { 328 /* Determine reason of PF failure of acquire process */ 329 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, 330 CHANNEL_TLV_FP_HSI_SUPPORT); 331 if (fp_hsi_resp && !fp_hsi_resp->is_supported) 332 BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n"); 333 else 334 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", 335 bp->acquire_resp.hdr.status); 336 rc = -EAGAIN; 337 goto out; 338 } 339 } 340 341 /* Retrieve physical port id (if possible) */ 342 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) 343 bnx2x_search_tlv_list(bp, resp, 344 CHANNEL_TLV_PHYS_PORT_ID); 345 if (phys_port_resp) { 346 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); 347 bp->flags |= HAS_PHYS_PORT_ID; 348 } 349 350 /* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV. 351 * If that's the case, we need to make certain required FW was 352 * supported by such a hypervisor [i.e., v0-v2]. 353 */ 354 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, 355 CHANNEL_TLV_FP_HSI_SUPPORT); 356 if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) { 357 BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n"); 358 359 /* Since acquire succeeded on the PF side, we need to send a 360 * release message in order to allow future probes. 361 */ 362 bnx2x_vfpf_finalize(bp, &req->first_tlv); 363 bnx2x_vfpf_release(bp); 364 365 rc = -EINVAL; 366 goto out; 367 } 368 369 /* get HW info */ 370 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); 371 bp->link_params.chip_id = bp->common.chip_id; 372 bp->db_size = bp->acquire_resp.pfdev_info.db_size; 373 bp->common.int_block = INT_BLOCK_IGU; 374 bp->common.chip_port_mode = CHIP_2_PORT_MODE; 375 bp->igu_dsb_id = -1; 376 bp->mf_ov = 0; 377 bp->mf_mode = 0; 378 bp->common.flash_size = 0; 379 bp->flags |= 380 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; 381 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; 382 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; 383 bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters; 384 385 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, 386 sizeof(bp->fw_ver)); 387 388 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) 389 memcpy(bp->dev->dev_addr, 390 bp->acquire_resp.resc.current_mac_addr, 391 ETH_ALEN); 392 393 out: 394 bnx2x_vfpf_finalize(bp, &req->first_tlv); 395 return rc; 396 } 397 398 int bnx2x_vfpf_release(struct bnx2x *bp) 399 { 400 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 401 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 402 u32 rc, vf_id; 403 404 /* clear mailbox and prep first tlv */ 405 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 406 407 if (bnx2x_get_vf_id(bp, &vf_id)) { 408 rc = -EAGAIN; 409 goto out; 410 } 411 412 req->vf_id = vf_id; 413 414 /* add list termination tlv */ 415 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 416 sizeof(struct channel_list_end_tlv)); 417 418 /* output tlvs list */ 419 bnx2x_dp_tlv_list(bp, req); 420 421 /* send release request */ 422 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 423 424 if (rc) 425 /* PF timeout */ 426 goto out; 427 428 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 429 /* PF released us */ 430 DP(BNX2X_MSG_SP, "vf released\n"); 431 } else { 432 /* PF reports error */ 433 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", 434 resp->hdr.status); 435 rc = -EAGAIN; 436 goto out; 437 } 438 out: 439 bnx2x_vfpf_finalize(bp, &req->first_tlv); 440 441 return rc; 442 } 443 444 /* Tell PF about SB addresses */ 445 int bnx2x_vfpf_init(struct bnx2x *bp) 446 { 447 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 448 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 449 int rc, i; 450 451 /* clear mailbox and prep first tlv */ 452 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 453 454 /* status blocks */ 455 for_each_eth_queue(bp, i) 456 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 457 status_blk_mapping); 458 459 /* statistics - requests only supports single queue for now */ 460 req->stats_addr = bp->fw_stats_data_mapping + 461 offsetof(struct bnx2x_fw_stats_data, queue_stats); 462 463 req->stats_stride = sizeof(struct per_queue_stats); 464 465 /* add list termination tlv */ 466 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 467 sizeof(struct channel_list_end_tlv)); 468 469 /* output tlvs list */ 470 bnx2x_dp_tlv_list(bp, req); 471 472 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 473 if (rc) 474 goto out; 475 476 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 477 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 478 resp->hdr.status); 479 rc = -EAGAIN; 480 goto out; 481 } 482 483 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 484 out: 485 bnx2x_vfpf_finalize(bp, &req->first_tlv); 486 487 return rc; 488 } 489 490 /* CLOSE VF - opposite to INIT_VF */ 491 void bnx2x_vfpf_close_vf(struct bnx2x *bp) 492 { 493 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 494 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 495 int i, rc; 496 u32 vf_id; 497 498 /* If we haven't got a valid VF id, there is no sense to 499 * continue with sending messages 500 */ 501 if (bnx2x_get_vf_id(bp, &vf_id)) 502 goto free_irq; 503 504 /* Close the queues */ 505 for_each_queue(bp, i) 506 bnx2x_vfpf_teardown_queue(bp, i); 507 508 /* remove mac */ 509 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 510 511 /* clear mailbox and prep first tlv */ 512 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 513 514 req->vf_id = vf_id; 515 516 /* add list termination tlv */ 517 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 518 sizeof(struct channel_list_end_tlv)); 519 520 /* output tlvs list */ 521 bnx2x_dp_tlv_list(bp, req); 522 523 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 524 525 if (rc) 526 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 527 528 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 529 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 530 resp->hdr.status); 531 532 bnx2x_vfpf_finalize(bp, &req->first_tlv); 533 534 free_irq: 535 /* Disable HW interrupts, NAPI */ 536 bnx2x_netif_stop(bp, 0); 537 /* Delete all NAPI objects */ 538 bnx2x_del_all_napi(bp); 539 540 /* Release IRQs */ 541 bnx2x_free_irq(bp); 542 } 543 544 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 545 struct bnx2x_vf_queue *q) 546 { 547 u8 cl_id = vfq_cl_id(vf, q); 548 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 549 550 /* mac */ 551 bnx2x_init_mac_obj(bp, &q->mac_obj, 552 cl_id, q->cid, func_id, 553 bnx2x_vf_sp(bp, vf, mac_rdata), 554 bnx2x_vf_sp_map(bp, vf, mac_rdata), 555 BNX2X_FILTER_MAC_PENDING, 556 &vf->filter_state, 557 BNX2X_OBJ_TYPE_RX_TX, 558 &vf->vf_macs_pool); 559 /* vlan */ 560 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 561 cl_id, q->cid, func_id, 562 bnx2x_vf_sp(bp, vf, vlan_rdata), 563 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 564 BNX2X_FILTER_VLAN_PENDING, 565 &vf->filter_state, 566 BNX2X_OBJ_TYPE_RX_TX, 567 &vf->vf_vlans_pool); 568 /* vlan-mac */ 569 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj, 570 cl_id, q->cid, func_id, 571 bnx2x_vf_sp(bp, vf, vlan_mac_rdata), 572 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata), 573 BNX2X_FILTER_VLAN_MAC_PENDING, 574 &vf->filter_state, 575 BNX2X_OBJ_TYPE_RX_TX, 576 &vf->vf_macs_pool, 577 &vf->vf_vlans_pool); 578 /* mcast */ 579 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 580 q->cid, func_id, func_id, 581 bnx2x_vf_sp(bp, vf, mcast_rdata), 582 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 583 BNX2X_FILTER_MCAST_PENDING, 584 &vf->filter_state, 585 BNX2X_OBJ_TYPE_RX_TX); 586 587 /* rss */ 588 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 589 func_id, func_id, 590 bnx2x_vf_sp(bp, vf, rss_rdata), 591 bnx2x_vf_sp_map(bp, vf, rss_rdata), 592 BNX2X_FILTER_RSS_CONF_PENDING, 593 &vf->filter_state, 594 BNX2X_OBJ_TYPE_RX_TX); 595 596 vf->leading_rss = cl_id; 597 q->is_leading = true; 598 q->sp_initialized = true; 599 } 600 601 /* ask the pf to open a queue for the vf */ 602 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 603 bool is_leading) 604 { 605 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 606 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 607 u8 fp_idx = fp->index; 608 u16 tpa_agg_size = 0, flags = 0; 609 int rc; 610 611 /* clear mailbox and prep first tlv */ 612 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 613 614 /* select tpa mode to request */ 615 if (fp->mode != TPA_MODE_DISABLED) { 616 flags |= VFPF_QUEUE_FLG_TPA; 617 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 618 if (fp->mode == TPA_MODE_GRO) 619 flags |= VFPF_QUEUE_FLG_TPA_GRO; 620 tpa_agg_size = TPA_AGG_SIZE; 621 } 622 623 if (is_leading) 624 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 625 626 /* calculate queue flags */ 627 flags |= VFPF_QUEUE_FLG_STATS; 628 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 629 flags |= VFPF_QUEUE_FLG_VLAN; 630 631 /* Common */ 632 req->vf_qid = fp_idx; 633 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 634 635 /* Rx */ 636 req->rxq.rcq_addr = fp->rx_comp_mapping; 637 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 638 req->rxq.rxq_addr = fp->rx_desc_mapping; 639 req->rxq.sge_addr = fp->rx_sge_mapping; 640 req->rxq.vf_sb = fp_idx; 641 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 642 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 643 req->rxq.mtu = bp->dev->mtu; 644 req->rxq.buf_sz = fp->rx_buf_size; 645 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 646 req->rxq.tpa_agg_sz = tpa_agg_size; 647 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 648 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 649 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 650 req->rxq.flags = flags; 651 req->rxq.drop_flags = 0; 652 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 653 req->rxq.stat_id = -1; /* No stats at the moment */ 654 655 /* Tx */ 656 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 657 req->txq.vf_sb = fp_idx; 658 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 659 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 660 req->txq.flags = flags; 661 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 662 663 /* add list termination tlv */ 664 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 665 sizeof(struct channel_list_end_tlv)); 666 667 /* output tlvs list */ 668 bnx2x_dp_tlv_list(bp, req); 669 670 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 671 if (rc) 672 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 673 fp_idx); 674 675 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 676 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 677 fp_idx, resp->hdr.status); 678 rc = -EINVAL; 679 } 680 681 bnx2x_vfpf_finalize(bp, &req->first_tlv); 682 683 return rc; 684 } 685 686 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 687 { 688 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 689 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 690 int rc; 691 692 /* clear mailbox and prep first tlv */ 693 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 694 sizeof(*req)); 695 696 req->vf_qid = qidx; 697 698 /* add list termination tlv */ 699 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 700 sizeof(struct channel_list_end_tlv)); 701 702 /* output tlvs list */ 703 bnx2x_dp_tlv_list(bp, req); 704 705 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 706 707 if (rc) { 708 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 709 rc); 710 goto out; 711 } 712 713 /* PF failed the transaction */ 714 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 715 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 716 resp->hdr.status); 717 rc = -EINVAL; 718 } 719 720 out: 721 bnx2x_vfpf_finalize(bp, &req->first_tlv); 722 723 return rc; 724 } 725 726 /* request pf to add a mac for the vf */ 727 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 728 { 729 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 730 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 731 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 732 int rc = 0; 733 734 /* clear mailbox and prep first tlv */ 735 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 736 sizeof(*req)); 737 738 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 739 req->vf_qid = vf_qid; 740 req->n_mac_vlan_filters = 1; 741 742 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 743 if (set) 744 req->filters[0].flags |= VFPF_Q_FILTER_SET; 745 746 /* sample bulletin board for new mac */ 747 bnx2x_sample_bulletin(bp); 748 749 /* copy mac from device to request */ 750 memcpy(req->filters[0].mac, addr, ETH_ALEN); 751 752 /* add list termination tlv */ 753 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 754 sizeof(struct channel_list_end_tlv)); 755 756 /* output tlvs list */ 757 bnx2x_dp_tlv_list(bp, req); 758 759 /* send message to pf */ 760 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 761 if (rc) { 762 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 763 goto out; 764 } 765 766 /* failure may mean PF was configured with a new mac for us */ 767 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 768 DP(BNX2X_MSG_IOV, 769 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 770 771 /* copy mac from bulletin to device */ 772 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 773 774 /* check if bulletin board was updated */ 775 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 776 /* copy mac from device to request */ 777 memcpy(req->filters[0].mac, bp->dev->dev_addr, 778 ETH_ALEN); 779 780 /* send message to pf */ 781 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 782 bp->vf2pf_mbox_mapping); 783 } else { 784 /* no new info in bulletin */ 785 break; 786 } 787 } 788 789 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 790 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 791 rc = -EINVAL; 792 } 793 out: 794 bnx2x_vfpf_finalize(bp, &req->first_tlv); 795 796 return rc; 797 } 798 799 /* request pf to config rss table for vf queues*/ 800 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 801 struct bnx2x_config_rss_params *params) 802 { 803 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 804 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 805 int rc = 0; 806 807 /* clear mailbox and prep first tlv */ 808 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 809 sizeof(*req)); 810 811 /* add list termination tlv */ 812 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 813 sizeof(struct channel_list_end_tlv)); 814 815 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 816 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 817 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 818 req->rss_key_size = T_ETH_RSS_KEY; 819 req->rss_result_mask = params->rss_result_mask; 820 821 /* flags handled individually for backward/forward compatibility */ 822 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 823 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 824 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 825 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 826 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 827 req->rss_flags |= VFPF_RSS_SET_SRCH; 828 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 829 req->rss_flags |= VFPF_RSS_IPV4; 830 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 831 req->rss_flags |= VFPF_RSS_IPV4_TCP; 832 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 833 req->rss_flags |= VFPF_RSS_IPV4_UDP; 834 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 835 req->rss_flags |= VFPF_RSS_IPV6; 836 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 837 req->rss_flags |= VFPF_RSS_IPV6_TCP; 838 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 839 req->rss_flags |= VFPF_RSS_IPV6_UDP; 840 841 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 842 843 /* output tlvs list */ 844 bnx2x_dp_tlv_list(bp, req); 845 846 /* send message to pf */ 847 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 848 if (rc) { 849 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 850 goto out; 851 } 852 853 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 854 /* Since older drivers don't support this feature (and VF has 855 * no way of knowing other than failing this), don't propagate 856 * an error in this case. 857 */ 858 DP(BNX2X_MSG_IOV, 859 "Failed to send rss message to PF over VF-PF channel [%d]\n", 860 resp->hdr.status); 861 } 862 out: 863 bnx2x_vfpf_finalize(bp, &req->first_tlv); 864 865 return rc; 866 } 867 868 int bnx2x_vfpf_set_mcast(struct net_device *dev) 869 { 870 struct bnx2x *bp = netdev_priv(dev); 871 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 872 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 873 int rc = 0, i = 0; 874 struct netdev_hw_addr *ha; 875 876 if (bp->state != BNX2X_STATE_OPEN) { 877 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 878 return -EINVAL; 879 } 880 881 /* clear mailbox and prep first tlv */ 882 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 883 sizeof(*req)); 884 885 /* Get Rx mode requested */ 886 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 887 888 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ 889 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { 890 DP(NETIF_MSG_IFUP, 891 "VF supports not more than %d multicast MAC addresses\n", 892 PFVF_MAX_MULTICAST_PER_VF); 893 rc = -EINVAL; 894 goto out; 895 } 896 897 netdev_for_each_mc_addr(ha, dev) { 898 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 899 bnx2x_mc_addr(ha)); 900 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 901 i++; 902 } 903 904 req->n_multicast = i; 905 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 906 req->vf_qid = 0; 907 908 /* add list termination tlv */ 909 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 910 sizeof(struct channel_list_end_tlv)); 911 912 /* output tlvs list */ 913 bnx2x_dp_tlv_list(bp, req); 914 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 915 if (rc) { 916 BNX2X_ERR("Sending a message failed: %d\n", rc); 917 goto out; 918 } 919 920 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 921 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 922 resp->hdr.status); 923 rc = -EINVAL; 924 } 925 out: 926 bnx2x_vfpf_finalize(bp, &req->first_tlv); 927 928 return rc; 929 } 930 931 /* request pf to add a vlan for the vf */ 932 int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) 933 { 934 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 935 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 936 int rc = 0; 937 938 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { 939 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); 940 return 0; 941 } 942 943 /* clear mailbox and prep first tlv */ 944 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 945 sizeof(*req)); 946 947 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 948 req->vf_qid = vf_qid; 949 req->n_mac_vlan_filters = 1; 950 951 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; 952 953 if (add) 954 req->filters[0].flags |= VFPF_Q_FILTER_SET; 955 956 /* sample bulletin board for hypervisor vlan */ 957 bnx2x_sample_bulletin(bp); 958 959 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { 960 BNX2X_ERR("Hypervisor will dicline the request, avoiding\n"); 961 rc = -EINVAL; 962 goto out; 963 } 964 965 req->filters[0].vlan_tag = vid; 966 967 /* add list termination tlv */ 968 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 969 sizeof(struct channel_list_end_tlv)); 970 971 /* output tlvs list */ 972 bnx2x_dp_tlv_list(bp, req); 973 974 /* send message to pf */ 975 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 976 if (rc) { 977 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 978 goto out; 979 } 980 981 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 982 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", 983 vid); 984 rc = -EINVAL; 985 } 986 out: 987 bnx2x_vfpf_finalize(bp, &req->first_tlv); 988 989 return rc; 990 } 991 992 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 993 { 994 int mode = bp->rx_mode; 995 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 996 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 997 int rc; 998 999 /* clear mailbox and prep first tlv */ 1000 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 1001 sizeof(*req)); 1002 1003 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 1004 1005 /* Ignore everything accept MODE_NONE */ 1006 if (mode == BNX2X_RX_MODE_NONE) { 1007 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 1008 } else { 1009 /* Current PF driver will not look at the specific flags, 1010 * but they are required when working with older drivers on hv. 1011 */ 1012 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 1013 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 1014 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 1015 if (mode == BNX2X_RX_MODE_PROMISC) 1016 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1017 } 1018 1019 if (bp->accept_any_vlan) 1020 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1021 1022 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 1023 req->vf_qid = 0; 1024 1025 /* add list termination tlv */ 1026 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 1027 sizeof(struct channel_list_end_tlv)); 1028 1029 /* output tlvs list */ 1030 bnx2x_dp_tlv_list(bp, req); 1031 1032 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 1033 if (rc) 1034 BNX2X_ERR("Sending a message failed: %d\n", rc); 1035 1036 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1037 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 1038 rc = -EINVAL; 1039 } 1040 1041 bnx2x_vfpf_finalize(bp, &req->first_tlv); 1042 1043 return rc; 1044 } 1045 1046 /* General service functions */ 1047 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 1048 { 1049 u32 addr = BAR_CSTRORM_INTMEM + 1050 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 1051 1052 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 1053 } 1054 1055 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 1056 { 1057 u32 addr = BAR_CSTRORM_INTMEM + 1058 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 1059 1060 REG_WR8(bp, addr, 1); 1061 } 1062 1063 /* enable vf_pf mailbox (aka vf-pf-channel) */ 1064 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 1065 { 1066 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 1067 1068 /* enable the mailbox in the FW */ 1069 storm_memset_vf_mbx_ack(bp, abs_vfid); 1070 storm_memset_vf_mbx_valid(bp, abs_vfid); 1071 1072 /* enable the VF access to the mailbox */ 1073 bnx2x_vf_enable_access(bp, abs_vfid); 1074 } 1075 1076 /* this works only on !E1h */ 1077 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 1078 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 1079 u32 vf_addr_lo, u32 len32) 1080 { 1081 struct dmae_command dmae; 1082 1083 if (CHIP_IS_E1x(bp)) { 1084 BNX2X_ERR("Chip revision does not support VFs\n"); 1085 return DMAE_NOT_RDY; 1086 } 1087 1088 if (!bp->dmae_ready) { 1089 BNX2X_ERR("DMAE is not ready, can not copy\n"); 1090 return DMAE_NOT_RDY; 1091 } 1092 1093 /* set opcode and fixed command fields */ 1094 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1095 1096 if (from_vf) { 1097 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1098 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1099 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1100 1101 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1102 1103 dmae.src_addr_lo = vf_addr_lo; 1104 dmae.src_addr_hi = vf_addr_hi; 1105 dmae.dst_addr_lo = U64_LO(pf_addr); 1106 dmae.dst_addr_hi = U64_HI(pf_addr); 1107 } else { 1108 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1109 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1110 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1111 1112 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1113 1114 dmae.src_addr_lo = U64_LO(pf_addr); 1115 dmae.src_addr_hi = U64_HI(pf_addr); 1116 dmae.dst_addr_lo = vf_addr_lo; 1117 dmae.dst_addr_hi = vf_addr_hi; 1118 } 1119 dmae.len = len32; 1120 1121 /* issue the command and wait for completion */ 1122 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1123 } 1124 1125 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1126 struct bnx2x_virtf *vf) 1127 { 1128 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1129 u16 length, type; 1130 1131 /* prepare response */ 1132 type = mbx->first_tlv.tl.type; 1133 length = type == CHANNEL_TLV_ACQUIRE ? 1134 sizeof(struct pfvf_acquire_resp_tlv) : 1135 sizeof(struct pfvf_general_resp_tlv); 1136 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1137 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1138 sizeof(struct channel_list_end_tlv)); 1139 } 1140 1141 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1142 struct bnx2x_virtf *vf, 1143 int vf_rc) 1144 { 1145 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1146 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1147 dma_addr_t pf_addr; 1148 u64 vf_addr; 1149 int rc; 1150 1151 bnx2x_dp_tlv_list(bp, resp); 1152 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1153 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1154 1155 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1156 1157 /* send response */ 1158 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1159 mbx->first_tlv.resp_msg_offset; 1160 pf_addr = mbx->msg_mapping + 1161 offsetof(struct bnx2x_vf_mbx_msg, resp); 1162 1163 /* Copy the response buffer. The first u64 is written afterwards, as 1164 * the vf is sensitive to the header being written 1165 */ 1166 vf_addr += sizeof(u64); 1167 pf_addr += sizeof(u64); 1168 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1169 U64_HI(vf_addr), 1170 U64_LO(vf_addr), 1171 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1172 if (rc) { 1173 BNX2X_ERR("Failed to copy response body to VF %d\n", 1174 vf->abs_vfid); 1175 goto mbx_error; 1176 } 1177 vf_addr -= sizeof(u64); 1178 pf_addr -= sizeof(u64); 1179 1180 /* ack the FW */ 1181 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1182 mmiowb(); 1183 1184 /* copy the response header including status-done field, 1185 * must be last dmae, must be after FW is acked 1186 */ 1187 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1188 U64_HI(vf_addr), 1189 U64_LO(vf_addr), 1190 sizeof(u64)/4); 1191 1192 /* unlock channel mutex */ 1193 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1194 1195 if (rc) { 1196 BNX2X_ERR("Failed to copy response status to VF %d\n", 1197 vf->abs_vfid); 1198 goto mbx_error; 1199 } 1200 return; 1201 1202 mbx_error: 1203 bnx2x_vf_release(bp, vf); 1204 } 1205 1206 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1207 struct bnx2x_virtf *vf, 1208 int rc) 1209 { 1210 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1211 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); 1212 } 1213 1214 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1215 struct bnx2x_virtf *vf, 1216 void *buffer, 1217 u16 *offset) 1218 { 1219 struct vfpf_port_phys_id_resp_tlv *port_id; 1220 1221 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1222 return; 1223 1224 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1225 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1226 1227 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1228 (((u8 *)buffer) + *offset); 1229 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1230 1231 /* Offset should continue representing the offset to the tail 1232 * of TLV data (outside this function scope) 1233 */ 1234 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1235 } 1236 1237 static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp, 1238 struct bnx2x_virtf *vf, 1239 void *buffer, 1240 u16 *offset) 1241 { 1242 struct vfpf_fp_hsi_resp_tlv *fp_hsi; 1243 1244 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT, 1245 sizeof(struct vfpf_fp_hsi_resp_tlv)); 1246 1247 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *) 1248 (((u8 *)buffer) + *offset); 1249 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1; 1250 1251 /* Offset should continue representing the offset to the tail 1252 * of TLV data (outside this function scope) 1253 */ 1254 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv); 1255 } 1256 1257 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1258 struct bnx2x_vf_mbx *mbx, int vfop_status) 1259 { 1260 int i; 1261 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1262 struct pf_vf_resc *resc = &resp->resc; 1263 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1264 u16 length; 1265 1266 memset(resp, 0, sizeof(*resp)); 1267 1268 /* fill in pfdev info */ 1269 resp->pfdev_info.chip_num = bp->common.chip_id; 1270 resp->pfdev_info.db_size = bp->db_size; 1271 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1272 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1273 PFVF_CAP_TPA | 1274 PFVF_CAP_TPA_UPDATE | 1275 PFVF_CAP_VLAN_FILTER); 1276 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1277 sizeof(resp->pfdev_info.fw_ver)); 1278 1279 if (status == PFVF_STATUS_NO_RESOURCE || 1280 status == PFVF_STATUS_SUCCESS) { 1281 /* set resources numbers, if status equals NO_RESOURCE these 1282 * are max possible numbers 1283 */ 1284 resc->num_rxqs = vf_rxq_count(vf) ? : 1285 bnx2x_vf_max_queue_cnt(bp, vf); 1286 resc->num_txqs = vf_txq_count(vf) ? : 1287 bnx2x_vf_max_queue_cnt(bp, vf); 1288 resc->num_sbs = vf_sb_count(vf); 1289 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1290 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1291 resc->num_mc_filters = 0; 1292 1293 if (status == PFVF_STATUS_SUCCESS) { 1294 /* fill in the allocated resources */ 1295 struct pf_vf_bulletin_content *bulletin = 1296 BP_VF_BULLETIN(bp, vf->index); 1297 1298 for_each_vfq(vf, i) 1299 resc->hw_qid[i] = 1300 vfq_qzone_id(vf, vfq_get(vf, i)); 1301 1302 for_each_vf_sb(vf, i) { 1303 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1304 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1305 } 1306 1307 /* if a mac has been set for this vf, supply it */ 1308 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1309 memcpy(resc->current_mac_addr, bulletin->mac, 1310 ETH_ALEN); 1311 } 1312 } 1313 } 1314 1315 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" 1316 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1317 vf->abs_vfid, 1318 resp->pfdev_info.chip_num, 1319 resp->pfdev_info.db_size, 1320 resp->pfdev_info.indices_per_sb, 1321 resp->pfdev_info.pf_cap, 1322 resc->num_rxqs, 1323 resc->num_txqs, 1324 resc->num_sbs, 1325 resc->num_mac_filters, 1326 resc->num_vlan_filters, 1327 resc->num_mc_filters, 1328 resp->pfdev_info.fw_ver); 1329 1330 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1331 for (i = 0; i < vf_rxq_count(vf); i++) 1332 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1333 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1334 for (i = 0; i < vf_sb_count(vf); i++) 1335 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1336 resc->hw_sbs[i].hw_sb_id, 1337 resc->hw_sbs[i].sb_qid); 1338 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1339 1340 /* prepare response */ 1341 length = sizeof(struct pfvf_acquire_resp_tlv); 1342 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1343 1344 /* Handle possible VF requests for physical port identifiers. 1345 * 'length' should continue to indicate the offset of the first empty 1346 * place in the buffer (i.e., where next TLV should be inserted) 1347 */ 1348 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1349 CHANNEL_TLV_PHYS_PORT_ID)) 1350 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1351 1352 /* `New' vfs will want to know if fastpath HSI is supported, since 1353 * if that's not the case they could print into system log the fact 1354 * the driver version must be updated. 1355 */ 1356 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length); 1357 1358 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1359 sizeof(struct channel_list_end_tlv)); 1360 1361 /* send the response */ 1362 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); 1363 } 1364 1365 static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp, 1366 struct vfpf_acquire_tlv *acquire) 1367 { 1368 /* Windows driver does one of three things: 1369 * 1. Old driver doesn't have bulletin board address set. 1370 * 2. 'Middle' driver sends mc_num == 32. 1371 * 3. New driver sets the OS field. 1372 */ 1373 if (!acquire->bulletin_addr || 1374 acquire->resc_request.num_mc_filters == 32 || 1375 ((acquire->vfdev_info.vf_os & VF_OS_MASK) == 1376 VF_OS_WINDOWS)) 1377 return true; 1378 1379 return false; 1380 } 1381 1382 static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp, 1383 struct bnx2x_virtf *vf, 1384 struct bnx2x_vf_mbx *mbx) 1385 { 1386 /* Linux drivers which correctly set the doorbell size also 1387 * send a physical port request 1388 */ 1389 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1390 CHANNEL_TLV_PHYS_PORT_ID)) 1391 return 0; 1392 1393 /* Issue does not exist in windows VMs */ 1394 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1395 return 0; 1396 1397 return -EOPNOTSUPP; 1398 } 1399 1400 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1401 struct bnx2x_vf_mbx *mbx) 1402 { 1403 int rc; 1404 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1405 1406 /* log vfdef info */ 1407 DP(BNX2X_MSG_IOV, 1408 "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", 1409 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1410 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1411 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1412 acquire->resc_request.num_vlan_filters, 1413 acquire->resc_request.num_mc_filters); 1414 1415 /* Prevent VFs with old drivers from loading, since they calculate 1416 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover 1417 * while being upgraded. 1418 */ 1419 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx); 1420 if (rc) { 1421 DP(BNX2X_MSG_IOV, 1422 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n", 1423 vf->abs_vfid); 1424 goto out; 1425 } 1426 1427 /* Verify the VF fastpath HSI can be supported by the loaded FW. 1428 * Linux vfs should be oblivious to changes between v0 and v2. 1429 */ 1430 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1431 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver; 1432 else 1433 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver, 1434 ETH_FP_HSI_VER_2); 1435 if (vf->fp_hsi > ETH_FP_HSI_VERSION) { 1436 DP(BNX2X_MSG_IOV, 1437 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n", 1438 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver, 1439 ETH_FP_HSI_VERSION); 1440 rc = -EINVAL; 1441 goto out; 1442 } 1443 1444 /* acquire the resources */ 1445 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1446 1447 /* store address of vf's bulletin board */ 1448 vf->bulletin_map = acquire->bulletin_addr; 1449 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { 1450 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", 1451 vf->abs_vfid); 1452 vf->cfg_flags |= VF_CFG_EXT_BULLETIN; 1453 } else { 1454 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; 1455 } 1456 1457 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) { 1458 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n", 1459 vf->abs_vfid); 1460 vf->cfg_flags |= VF_CFG_VLAN_FILTER; 1461 } else { 1462 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER; 1463 } 1464 1465 out: 1466 /* response */ 1467 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1468 } 1469 1470 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1471 struct bnx2x_vf_mbx *mbx) 1472 { 1473 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1474 int rc; 1475 1476 /* record ghost addresses from vf message */ 1477 vf->fw_stat_map = init->stats_addr; 1478 vf->stats_stride = init->stats_stride; 1479 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1480 1481 /* set VF multiqueue statistics collection mode */ 1482 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1483 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1484 1485 /* Update VF's view of link state */ 1486 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) 1487 bnx2x_iov_link_update_vf(bp, vf->index); 1488 1489 /* response */ 1490 bnx2x_vf_mbx_resp(bp, vf, rc); 1491 } 1492 1493 /* convert MBX queue-flags to standard SP queue-flags */ 1494 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1495 unsigned long *sp_q_flags) 1496 { 1497 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1498 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1499 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1500 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1501 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1502 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1503 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1504 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1505 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1506 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1507 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1508 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1509 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1510 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1511 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1512 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1513 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1514 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1515 1516 /* outer vlan removal is set according to PF's multi function mode */ 1517 if (IS_MF_SD(bp)) 1518 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1519 } 1520 1521 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1522 struct bnx2x_vf_mbx *mbx) 1523 { 1524 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1525 struct bnx2x_vf_queue_construct_params qctor; 1526 int rc = 0; 1527 1528 /* verify vf_qid */ 1529 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1530 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1531 setup_q->vf_qid, vf_rxq_count(vf)); 1532 rc = -EINVAL; 1533 goto response; 1534 } 1535 1536 /* tx queues must be setup alongside rx queues thus if the rx queue 1537 * is not marked as valid there's nothing to do. 1538 */ 1539 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1540 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1541 unsigned long q_type = 0; 1542 1543 struct bnx2x_queue_init_params *init_p; 1544 struct bnx2x_queue_setup_params *setup_p; 1545 1546 if (bnx2x_vfq_is_leading(q)) 1547 bnx2x_leading_vfq_init(bp, vf, q); 1548 1549 /* re-init the VF operation context */ 1550 memset(&qctor, 0 , 1551 sizeof(struct bnx2x_vf_queue_construct_params)); 1552 setup_p = &qctor.prep_qsetup; 1553 init_p = &qctor.qstate.params.init; 1554 1555 /* activate immediately */ 1556 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1557 1558 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1559 struct bnx2x_txq_setup_params *txq_params = 1560 &setup_p->txq_params; 1561 1562 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1563 1564 /* save sb resource index */ 1565 q->sb_idx = setup_q->txq.vf_sb; 1566 1567 /* tx init */ 1568 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1569 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1570 1571 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1572 &init_p->tx.flags); 1573 1574 /* tx setup - flags */ 1575 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1576 &setup_p->flags); 1577 1578 /* tx setup - general, nothing */ 1579 1580 /* tx setup - tx */ 1581 txq_params->dscr_map = setup_q->txq.txq_addr; 1582 txq_params->sb_cq_index = setup_q->txq.sb_index; 1583 txq_params->traffic_type = setup_q->txq.traffic_type; 1584 1585 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1586 q->index, q->sb_idx); 1587 } 1588 1589 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1590 struct bnx2x_rxq_setup_params *rxq_params = 1591 &setup_p->rxq_params; 1592 1593 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1594 1595 /* Note: there is no support for different SBs 1596 * for TX and RX 1597 */ 1598 q->sb_idx = setup_q->rxq.vf_sb; 1599 1600 /* rx init */ 1601 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1602 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1603 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1604 &init_p->rx.flags); 1605 1606 /* rx setup - flags */ 1607 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1608 &setup_p->flags); 1609 1610 /* rx setup - general */ 1611 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1612 1613 /* rx setup - rx */ 1614 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1615 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1616 rxq_params->sge_map = setup_q->rxq.sge_addr; 1617 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1618 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1619 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1620 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1621 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1622 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1623 rxq_params->cache_line_log = 1624 setup_q->rxq.cache_line_log; 1625 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1626 1627 /* rx setup - multicast engine */ 1628 if (bnx2x_vfq_is_leading(q)) { 1629 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1630 1631 rxq_params->mcast_engine_id = mcast_id; 1632 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1633 } 1634 1635 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1636 q->index, q->sb_idx); 1637 } 1638 /* complete the preparations */ 1639 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); 1640 1641 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); 1642 if (rc) 1643 goto response; 1644 } 1645 response: 1646 bnx2x_vf_mbx_resp(bp, vf, rc); 1647 } 1648 1649 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1650 struct bnx2x_virtf *vf, 1651 struct vfpf_set_q_filters_tlv *tlv, 1652 struct bnx2x_vf_mac_vlan_filters **pfl, 1653 u32 type_flag) 1654 { 1655 int i, j; 1656 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1657 size_t fsz; 1658 1659 fsz = tlv->n_mac_vlan_filters * 1660 sizeof(struct bnx2x_vf_mac_vlan_filter) + 1661 sizeof(struct bnx2x_vf_mac_vlan_filters); 1662 1663 fl = kzalloc(fsz, GFP_KERNEL); 1664 if (!fl) 1665 return -ENOMEM; 1666 1667 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1668 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1669 1670 if ((msg_filter->flags & type_flag) != type_flag) 1671 continue; 1672 memset(&fl->filters[j], 0, sizeof(fl->filters[j])); 1673 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { 1674 fl->filters[j].mac = msg_filter->mac; 1675 fl->filters[j].type |= BNX2X_VF_FILTER_MAC; 1676 } 1677 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { 1678 fl->filters[j].vid = msg_filter->vlan_tag; 1679 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; 1680 } 1681 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); 1682 fl->count++; 1683 j++; 1684 } 1685 if (!fl->count) 1686 kfree(fl); 1687 else 1688 *pfl = fl; 1689 1690 return 0; 1691 } 1692 1693 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, 1694 u32 flags) 1695 { 1696 int i, cnt = 0; 1697 1698 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1699 if ((filters->filters[i].flags & flags) == flags) 1700 cnt++; 1701 1702 return cnt; 1703 } 1704 1705 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1706 struct vfpf_q_mac_vlan_filter *filter) 1707 { 1708 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1709 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1710 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1711 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1712 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1713 DP_CONT(msglvl, "\n"); 1714 } 1715 1716 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1717 struct vfpf_set_q_filters_tlv *filters) 1718 { 1719 int i; 1720 1721 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1722 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1723 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1724 &filters->filters[i]); 1725 1726 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1727 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1728 1729 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1730 for (i = 0; i < filters->n_multicast; i++) 1731 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1732 } 1733 1734 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1735 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1736 #define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) 1737 1738 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1739 { 1740 int rc = 0; 1741 1742 struct vfpf_set_q_filters_tlv *msg = 1743 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1744 1745 /* check for any mac/vlan changes */ 1746 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1747 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1748 1749 /* build vlan-mac list */ 1750 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1751 VFPF_VLAN_MAC_FILTER); 1752 if (rc) 1753 goto op_err; 1754 1755 if (fl) { 1756 1757 /* set vlan-mac list */ 1758 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1759 msg->vf_qid, 1760 false); 1761 if (rc) 1762 goto op_err; 1763 } 1764 1765 /* build mac list */ 1766 fl = NULL; 1767 1768 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1769 VFPF_MAC_FILTER); 1770 if (rc) 1771 goto op_err; 1772 1773 if (fl) { 1774 /* set mac list */ 1775 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1776 msg->vf_qid, 1777 false); 1778 if (rc) 1779 goto op_err; 1780 } 1781 1782 /* build vlan list */ 1783 fl = NULL; 1784 1785 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1786 VFPF_VLAN_FILTER); 1787 if (rc) 1788 goto op_err; 1789 1790 if (fl) { 1791 /* set vlan list */ 1792 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1793 msg->vf_qid, 1794 false); 1795 if (rc) 1796 goto op_err; 1797 } 1798 1799 } 1800 1801 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1802 unsigned long accept = 0; 1803 struct pf_vf_bulletin_content *bulletin = 1804 BP_VF_BULLETIN(bp, vf->index); 1805 1806 /* Ignore VF requested mode; instead set a regular mode */ 1807 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1808 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1809 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1810 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1811 } 1812 1813 /* any_vlan is not configured if HV is forcing VLAN 1814 * any_vlan is configured if 1815 * 1. VF does not support vlan filtering 1816 * OR 1817 * 2. VF supports vlan filtering and explicitly requested it 1818 */ 1819 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && 1820 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || 1821 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) 1822 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1823 1824 /* set rx-mode */ 1825 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1826 if (rc) 1827 goto op_err; 1828 } 1829 1830 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1831 /* set mcasts */ 1832 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1833 msg->n_multicast, false); 1834 if (rc) 1835 goto op_err; 1836 } 1837 op_err: 1838 if (rc) 1839 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1840 vf->abs_vfid, msg->vf_qid, rc); 1841 return rc; 1842 } 1843 1844 static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1845 struct bnx2x_virtf *vf, 1846 struct vfpf_set_q_filters_tlv *filters) 1847 { 1848 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1849 int rc = 0; 1850 1851 /* if a mac was already set for this VF via the set vf mac ndo, we only 1852 * accept mac configurations of that mac. Why accept them at all? 1853 * because PF may have been unable to configure the mac at the time 1854 * since queue was not set up. 1855 */ 1856 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1857 struct vfpf_q_mac_vlan_filter *filter = NULL; 1858 int i; 1859 1860 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1861 if (!(filters->filters[i].flags & 1862 VFPF_Q_FILTER_DEST_MAC_VALID)) 1863 continue; 1864 1865 /* once a mac was set by ndo can only accept 1866 * a single mac... 1867 */ 1868 if (filter) { 1869 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", 1870 vf->abs_vfid, 1871 filters->n_mac_vlan_filters); 1872 rc = -EPERM; 1873 goto response; 1874 } 1875 1876 filter = &filters->filters[i]; 1877 } 1878 1879 /* ...and only the mac set by the ndo */ 1880 if (filter && 1881 !ether_addr_equal(filter->mac, bulletin->mac)) { 1882 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1883 vf->abs_vfid); 1884 1885 rc = -EPERM; 1886 goto response; 1887 } 1888 } 1889 1890 response: 1891 return rc; 1892 } 1893 1894 static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1895 struct bnx2x_virtf *vf, 1896 struct vfpf_set_q_filters_tlv *filters) 1897 { 1898 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1899 int rc = 0; 1900 1901 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1902 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1903 /* search for vlan filters */ 1904 1905 if (bnx2x_vf_filters_contain(filters, 1906 VFPF_Q_FILTER_VLAN_TAG_VALID)) { 1907 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1908 vf->abs_vfid); 1909 rc = -EPERM; 1910 goto response; 1911 } 1912 } 1913 1914 /* verify vf_qid */ 1915 if (filters->vf_qid > vf_rxq_count(vf)) { 1916 rc = -EPERM; 1917 goto response; 1918 } 1919 1920 response: 1921 return rc; 1922 } 1923 1924 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1925 struct bnx2x_virtf *vf, 1926 struct bnx2x_vf_mbx *mbx) 1927 { 1928 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1929 int rc; 1930 1931 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1932 if (rc) 1933 goto response; 1934 1935 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1936 if (rc) 1937 goto response; 1938 1939 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1940 vf->abs_vfid, 1941 filters->vf_qid); 1942 1943 /* print q_filter message */ 1944 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1945 1946 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1947 response: 1948 bnx2x_vf_mbx_resp(bp, vf, rc); 1949 } 1950 1951 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1952 struct bnx2x_vf_mbx *mbx) 1953 { 1954 int qid = mbx->msg->req.q_op.vf_qid; 1955 int rc; 1956 1957 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1958 vf->abs_vfid, qid); 1959 1960 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1961 bnx2x_vf_mbx_resp(bp, vf, rc); 1962 } 1963 1964 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1965 struct bnx2x_vf_mbx *mbx) 1966 { 1967 int rc; 1968 1969 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1970 1971 rc = bnx2x_vf_close(bp, vf); 1972 bnx2x_vf_mbx_resp(bp, vf, rc); 1973 } 1974 1975 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1976 struct bnx2x_vf_mbx *mbx) 1977 { 1978 int rc; 1979 1980 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1981 1982 rc = bnx2x_vf_free(bp, vf); 1983 bnx2x_vf_mbx_resp(bp, vf, rc); 1984 } 1985 1986 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1987 struct bnx2x_vf_mbx *mbx) 1988 { 1989 struct bnx2x_config_rss_params rss; 1990 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1991 int rc = 0; 1992 1993 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1994 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1995 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1996 vf->index); 1997 rc = -EINVAL; 1998 goto mbx_resp; 1999 } 2000 2001 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 2002 2003 /* set vfop params according to rss tlv */ 2004 memcpy(rss.ind_table, rss_tlv->ind_table, 2005 T_ETH_INDIRECTION_TABLE_SIZE); 2006 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 2007 rss.rss_obj = &vf->rss_conf_obj; 2008 rss.rss_result_mask = rss_tlv->rss_result_mask; 2009 2010 /* flags handled individually for backward/forward compatibility */ 2011 rss.rss_flags = 0; 2012 rss.ramrod_flags = 0; 2013 2014 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 2015 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 2016 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 2017 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 2018 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 2019 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 2020 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 2021 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 2022 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 2023 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 2024 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 2025 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 2026 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 2027 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 2028 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 2029 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 2030 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 2031 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 2032 2033 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 2034 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 2035 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 2036 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 2037 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 2038 rc = -EINVAL; 2039 goto mbx_resp; 2040 } 2041 2042 rc = bnx2x_vf_rss_update(bp, vf, &rss); 2043 mbx_resp: 2044 bnx2x_vf_mbx_resp(bp, vf, rc); 2045 } 2046 2047 static int bnx2x_validate_tpa_params(struct bnx2x *bp, 2048 struct vfpf_tpa_tlv *tpa_tlv) 2049 { 2050 int rc = 0; 2051 2052 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 2053 U_ETH_MAX_SGES_FOR_PACKET) { 2054 rc = -EINVAL; 2055 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 2056 tpa_tlv->tpa_client_info.max_sges_for_packet, 2057 U_ETH_MAX_SGES_FOR_PACKET); 2058 } 2059 2060 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 2061 rc = -EINVAL; 2062 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 2063 tpa_tlv->tpa_client_info.max_tpa_queues, 2064 MAX_AGG_QS(bp)); 2065 } 2066 2067 return rc; 2068 } 2069 2070 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 2071 struct bnx2x_vf_mbx *mbx) 2072 { 2073 struct bnx2x_queue_update_tpa_params vf_op_params; 2074 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 2075 int rc = 0; 2076 2077 memset(&vf_op_params, 0, sizeof(vf_op_params)); 2078 2079 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 2080 goto mbx_resp; 2081 2082 vf_op_params.complete_on_both_clients = 2083 tpa_tlv->tpa_client_info.complete_on_both_clients; 2084 vf_op_params.dont_verify_thr = 2085 tpa_tlv->tpa_client_info.dont_verify_thr; 2086 vf_op_params.max_agg_sz = 2087 tpa_tlv->tpa_client_info.max_agg_size; 2088 vf_op_params.max_sges_pkt = 2089 tpa_tlv->tpa_client_info.max_sges_for_packet; 2090 vf_op_params.max_tpa_queues = 2091 tpa_tlv->tpa_client_info.max_tpa_queues; 2092 vf_op_params.sge_buff_sz = 2093 tpa_tlv->tpa_client_info.sge_buff_size; 2094 vf_op_params.sge_pause_thr_high = 2095 tpa_tlv->tpa_client_info.sge_pause_thr_high; 2096 vf_op_params.sge_pause_thr_low = 2097 tpa_tlv->tpa_client_info.sge_pause_thr_low; 2098 vf_op_params.tpa_mode = 2099 tpa_tlv->tpa_client_info.tpa_mode; 2100 vf_op_params.update_ipv4 = 2101 tpa_tlv->tpa_client_info.update_ipv4; 2102 vf_op_params.update_ipv6 = 2103 tpa_tlv->tpa_client_info.update_ipv6; 2104 2105 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 2106 2107 mbx_resp: 2108 bnx2x_vf_mbx_resp(bp, vf, rc); 2109 } 2110 2111 /* dispatch request */ 2112 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 2113 struct bnx2x_vf_mbx *mbx) 2114 { 2115 int i; 2116 2117 /* check if tlv type is known */ 2118 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 2119 /* Lock the per vf op mutex and note the locker's identity. 2120 * The unlock will take place in mbx response. 2121 */ 2122 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2123 2124 /* switch on the opcode */ 2125 switch (mbx->first_tlv.tl.type) { 2126 case CHANNEL_TLV_ACQUIRE: 2127 bnx2x_vf_mbx_acquire(bp, vf, mbx); 2128 return; 2129 case CHANNEL_TLV_INIT: 2130 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 2131 return; 2132 case CHANNEL_TLV_SETUP_Q: 2133 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 2134 return; 2135 case CHANNEL_TLV_SET_Q_FILTERS: 2136 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 2137 return; 2138 case CHANNEL_TLV_TEARDOWN_Q: 2139 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 2140 return; 2141 case CHANNEL_TLV_CLOSE: 2142 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 2143 return; 2144 case CHANNEL_TLV_RELEASE: 2145 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 2146 return; 2147 case CHANNEL_TLV_UPDATE_RSS: 2148 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 2149 return; 2150 case CHANNEL_TLV_UPDATE_TPA: 2151 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 2152 return; 2153 } 2154 2155 } else { 2156 /* unknown TLV - this may belong to a VF driver from the future 2157 * - a version written after this PF driver was written, which 2158 * supports features unknown as of yet. Too bad since we don't 2159 * support them. Or this may be because someone wrote a crappy 2160 * VF driver and is sending garbage over the channel. 2161 */ 2162 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 2163 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 2164 vf->state); 2165 for (i = 0; i < 20; i++) 2166 DP_CONT(BNX2X_MSG_IOV, "%x ", 2167 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 2168 } 2169 2170 /* can we respond to VF (do we have an address for it?) */ 2171 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 2172 /* notify the VF that we do not support this request */ 2173 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 2174 } else { 2175 /* can't send a response since this VF is unknown to us 2176 * just ack the FW to release the mailbox and unlock 2177 * the channel. 2178 */ 2179 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2180 /* Firmware ack should be written before unlocking channel */ 2181 mmiowb(); 2182 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2183 } 2184 } 2185 2186 void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 2187 struct vf_pf_event_data *vfpf_event) 2188 { 2189 u8 vf_idx; 2190 2191 DP(BNX2X_MSG_IOV, 2192 "vf pf event received: vfid %d, address_hi %x, address lo %x", 2193 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 2194 /* Sanity checks consider removing later */ 2195 2196 /* check if the vf_id is valid */ 2197 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 2198 BNX2X_NR_VIRTFN(bp)) { 2199 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 2200 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 2201 return; 2202 } 2203 2204 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 2205 2206 /* Update VFDB with current message and schedule its handling */ 2207 mutex_lock(&BP_VFDB(bp)->event_mutex); 2208 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = 2209 le32_to_cpu(vfpf_event->msg_addr_hi); 2210 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = 2211 le32_to_cpu(vfpf_event->msg_addr_lo); 2212 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 2213 mutex_unlock(&BP_VFDB(bp)->event_mutex); 2214 2215 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 2216 } 2217 2218 /* handle new vf-pf messages */ 2219 void bnx2x_vf_mbx(struct bnx2x *bp) 2220 { 2221 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 2222 u64 events; 2223 u8 vf_idx; 2224 int rc; 2225 2226 if (!vfdb) 2227 return; 2228 2229 mutex_lock(&vfdb->event_mutex); 2230 events = vfdb->event_occur; 2231 vfdb->event_occur = 0; 2232 mutex_unlock(&vfdb->event_mutex); 2233 2234 for_each_vf(bp, vf_idx) { 2235 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 2236 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 2237 2238 /* Handle VFs which have pending events */ 2239 if (!(events & (1ULL << vf_idx))) 2240 continue; 2241 2242 DP(BNX2X_MSG_IOV, 2243 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 2244 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 2245 mbx->first_tlv.resp_msg_offset); 2246 2247 /* dmae to get the VF request */ 2248 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2249 vf->abs_vfid, mbx->vf_addr_hi, 2250 mbx->vf_addr_lo, 2251 sizeof(union vfpf_tlvs)/4); 2252 if (rc) { 2253 BNX2X_ERR("Failed to copy request VF %d\n", 2254 vf->abs_vfid); 2255 bnx2x_vf_release(bp, vf); 2256 return; 2257 } 2258 2259 /* process the VF message header */ 2260 mbx->first_tlv = mbx->msg->req.first_tlv; 2261 2262 /* Clean response buffer to refrain from falsely 2263 * seeing chains. 2264 */ 2265 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2266 2267 /* dispatch the request (will prepare the response) */ 2268 bnx2x_vf_mbx_request(bp, vf, mbx); 2269 } 2270 } 2271 2272 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2273 bool support_long) 2274 { 2275 /* Older VFs contain a bug where they can't check CRC for bulletin 2276 * boards of length greater than legacy size. 2277 */ 2278 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2279 BULLETIN_CONTENT_LEGACY_SIZE; 2280 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2281 } 2282 2283 /* propagate local bulletin board to vf */ 2284 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2285 { 2286 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2287 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2288 vf * BULLETIN_CONTENT_SIZE; 2289 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2290 int rc; 2291 2292 /* can only update vf after init took place */ 2293 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2294 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2295 return 0; 2296 2297 /* increment bulletin board version and compute crc */ 2298 bulletin->version++; 2299 bnx2x_vf_bulletin_finalize(bulletin, 2300 (bnx2x_vf(bp, vf, cfg_flags) & 2301 VF_CFG_EXT_BULLETIN) ? true : false); 2302 2303 /* propagate bulletin board via dmae to vm memory */ 2304 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2305 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2306 U64_LO(vf_addr), bulletin->length / 4); 2307 return rc; 2308 } 2309