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 = 0, 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 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ 887 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { 888 DP(NETIF_MSG_IFUP, 889 "VF supports not more than %d multicast MAC addresses\n", 890 PFVF_MAX_MULTICAST_PER_VF); 891 rc = -EINVAL; 892 goto out; 893 } 894 895 netdev_for_each_mc_addr(ha, dev) { 896 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 897 bnx2x_mc_addr(ha)); 898 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 899 i++; 900 } 901 902 req->n_multicast = i; 903 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 904 req->vf_qid = 0; 905 906 /* add list termination tlv */ 907 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 908 sizeof(struct channel_list_end_tlv)); 909 910 /* output tlvs list */ 911 bnx2x_dp_tlv_list(bp, req); 912 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 913 if (rc) { 914 BNX2X_ERR("Sending a message failed: %d\n", rc); 915 goto out; 916 } 917 918 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 919 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 920 resp->hdr.status); 921 rc = -EINVAL; 922 } 923 out: 924 bnx2x_vfpf_finalize(bp, &req->first_tlv); 925 926 return rc; 927 } 928 929 /* request pf to add a vlan for the vf */ 930 int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) 931 { 932 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 933 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 934 int rc = 0; 935 936 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { 937 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); 938 return 0; 939 } 940 941 /* clear mailbox and prep first tlv */ 942 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 943 sizeof(*req)); 944 945 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 946 req->vf_qid = vf_qid; 947 req->n_mac_vlan_filters = 1; 948 949 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; 950 951 if (add) 952 req->filters[0].flags |= VFPF_Q_FILTER_SET; 953 954 /* sample bulletin board for hypervisor vlan */ 955 bnx2x_sample_bulletin(bp); 956 957 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { 958 BNX2X_ERR("Hypervisor will dicline the request, avoiding\n"); 959 rc = -EINVAL; 960 goto out; 961 } 962 963 req->filters[0].vlan_tag = vid; 964 965 /* add list termination tlv */ 966 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 967 sizeof(struct channel_list_end_tlv)); 968 969 /* output tlvs list */ 970 bnx2x_dp_tlv_list(bp, req); 971 972 /* send message to pf */ 973 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 974 if (rc) { 975 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 976 goto out; 977 } 978 979 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 980 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", 981 vid); 982 rc = -EINVAL; 983 } 984 out: 985 bnx2x_vfpf_finalize(bp, &req->first_tlv); 986 987 return rc; 988 } 989 990 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 991 { 992 int mode = bp->rx_mode; 993 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 994 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 995 int rc; 996 997 /* clear mailbox and prep first tlv */ 998 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 999 sizeof(*req)); 1000 1001 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 1002 1003 /* Ignore everything accept MODE_NONE */ 1004 if (mode == BNX2X_RX_MODE_NONE) { 1005 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 1006 } else { 1007 /* Current PF driver will not look at the specific flags, 1008 * but they are required when working with older drivers on hv. 1009 */ 1010 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 1011 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 1012 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 1013 if (mode == BNX2X_RX_MODE_PROMISC) 1014 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1015 } 1016 1017 if (bp->accept_any_vlan) 1018 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1019 1020 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 1021 req->vf_qid = 0; 1022 1023 /* add list termination tlv */ 1024 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 1025 sizeof(struct channel_list_end_tlv)); 1026 1027 /* output tlvs list */ 1028 bnx2x_dp_tlv_list(bp, req); 1029 1030 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 1031 if (rc) 1032 BNX2X_ERR("Sending a message failed: %d\n", rc); 1033 1034 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1035 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 1036 rc = -EINVAL; 1037 } 1038 1039 bnx2x_vfpf_finalize(bp, &req->first_tlv); 1040 1041 return rc; 1042 } 1043 1044 /* General service functions */ 1045 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 1046 { 1047 u32 addr = BAR_CSTRORM_INTMEM + 1048 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 1049 1050 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 1051 } 1052 1053 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 1054 { 1055 u32 addr = BAR_CSTRORM_INTMEM + 1056 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 1057 1058 REG_WR8(bp, addr, 1); 1059 } 1060 1061 /* enable vf_pf mailbox (aka vf-pf-channel) */ 1062 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 1063 { 1064 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 1065 1066 /* enable the mailbox in the FW */ 1067 storm_memset_vf_mbx_ack(bp, abs_vfid); 1068 storm_memset_vf_mbx_valid(bp, abs_vfid); 1069 1070 /* enable the VF access to the mailbox */ 1071 bnx2x_vf_enable_access(bp, abs_vfid); 1072 } 1073 1074 /* this works only on !E1h */ 1075 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 1076 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 1077 u32 vf_addr_lo, u32 len32) 1078 { 1079 struct dmae_command dmae; 1080 1081 if (CHIP_IS_E1x(bp)) { 1082 BNX2X_ERR("Chip revision does not support VFs\n"); 1083 return DMAE_NOT_RDY; 1084 } 1085 1086 if (!bp->dmae_ready) { 1087 BNX2X_ERR("DMAE is not ready, can not copy\n"); 1088 return DMAE_NOT_RDY; 1089 } 1090 1091 /* set opcode and fixed command fields */ 1092 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1093 1094 if (from_vf) { 1095 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1096 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1097 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1098 1099 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1100 1101 dmae.src_addr_lo = vf_addr_lo; 1102 dmae.src_addr_hi = vf_addr_hi; 1103 dmae.dst_addr_lo = U64_LO(pf_addr); 1104 dmae.dst_addr_hi = U64_HI(pf_addr); 1105 } else { 1106 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1107 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1108 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1109 1110 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1111 1112 dmae.src_addr_lo = U64_LO(pf_addr); 1113 dmae.src_addr_hi = U64_HI(pf_addr); 1114 dmae.dst_addr_lo = vf_addr_lo; 1115 dmae.dst_addr_hi = vf_addr_hi; 1116 } 1117 dmae.len = len32; 1118 1119 /* issue the command and wait for completion */ 1120 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1121 } 1122 1123 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1124 struct bnx2x_virtf *vf) 1125 { 1126 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1127 u16 length, type; 1128 1129 /* prepare response */ 1130 type = mbx->first_tlv.tl.type; 1131 length = type == CHANNEL_TLV_ACQUIRE ? 1132 sizeof(struct pfvf_acquire_resp_tlv) : 1133 sizeof(struct pfvf_general_resp_tlv); 1134 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1135 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1136 sizeof(struct channel_list_end_tlv)); 1137 } 1138 1139 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1140 struct bnx2x_virtf *vf, 1141 int vf_rc) 1142 { 1143 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1144 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1145 dma_addr_t pf_addr; 1146 u64 vf_addr; 1147 int rc; 1148 1149 bnx2x_dp_tlv_list(bp, resp); 1150 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1151 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1152 1153 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1154 1155 /* send response */ 1156 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1157 mbx->first_tlv.resp_msg_offset; 1158 pf_addr = mbx->msg_mapping + 1159 offsetof(struct bnx2x_vf_mbx_msg, resp); 1160 1161 /* Copy the response buffer. The first u64 is written afterwards, as 1162 * the vf is sensitive to the header being written 1163 */ 1164 vf_addr += sizeof(u64); 1165 pf_addr += sizeof(u64); 1166 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1167 U64_HI(vf_addr), 1168 U64_LO(vf_addr), 1169 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1170 if (rc) { 1171 BNX2X_ERR("Failed to copy response body to VF %d\n", 1172 vf->abs_vfid); 1173 goto mbx_error; 1174 } 1175 vf_addr -= sizeof(u64); 1176 pf_addr -= sizeof(u64); 1177 1178 /* ack the FW */ 1179 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1180 mmiowb(); 1181 1182 /* copy the response header including status-done field, 1183 * must be last dmae, must be after FW is acked 1184 */ 1185 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1186 U64_HI(vf_addr), 1187 U64_LO(vf_addr), 1188 sizeof(u64)/4); 1189 1190 /* unlock channel mutex */ 1191 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1192 1193 if (rc) { 1194 BNX2X_ERR("Failed to copy response status to VF %d\n", 1195 vf->abs_vfid); 1196 goto mbx_error; 1197 } 1198 return; 1199 1200 mbx_error: 1201 bnx2x_vf_release(bp, vf); 1202 } 1203 1204 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1205 struct bnx2x_virtf *vf, 1206 int rc) 1207 { 1208 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1209 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); 1210 } 1211 1212 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1213 struct bnx2x_virtf *vf, 1214 void *buffer, 1215 u16 *offset) 1216 { 1217 struct vfpf_port_phys_id_resp_tlv *port_id; 1218 1219 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1220 return; 1221 1222 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1223 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1224 1225 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1226 (((u8 *)buffer) + *offset); 1227 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1228 1229 /* Offset should continue representing the offset to the tail 1230 * of TLV data (outside this function scope) 1231 */ 1232 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1233 } 1234 1235 static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp, 1236 struct bnx2x_virtf *vf, 1237 void *buffer, 1238 u16 *offset) 1239 { 1240 struct vfpf_fp_hsi_resp_tlv *fp_hsi; 1241 1242 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT, 1243 sizeof(struct vfpf_fp_hsi_resp_tlv)); 1244 1245 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *) 1246 (((u8 *)buffer) + *offset); 1247 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1; 1248 1249 /* Offset should continue representing the offset to the tail 1250 * of TLV data (outside this function scope) 1251 */ 1252 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv); 1253 } 1254 1255 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1256 struct bnx2x_vf_mbx *mbx, int vfop_status) 1257 { 1258 int i; 1259 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1260 struct pf_vf_resc *resc = &resp->resc; 1261 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1262 u16 length; 1263 1264 memset(resp, 0, sizeof(*resp)); 1265 1266 /* fill in pfdev info */ 1267 resp->pfdev_info.chip_num = bp->common.chip_id; 1268 resp->pfdev_info.db_size = bp->db_size; 1269 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1270 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1271 PFVF_CAP_TPA | 1272 PFVF_CAP_TPA_UPDATE | 1273 PFVF_CAP_VLAN_FILTER); 1274 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1275 sizeof(resp->pfdev_info.fw_ver)); 1276 1277 if (status == PFVF_STATUS_NO_RESOURCE || 1278 status == PFVF_STATUS_SUCCESS) { 1279 /* set resources numbers, if status equals NO_RESOURCE these 1280 * are max possible numbers 1281 */ 1282 resc->num_rxqs = vf_rxq_count(vf) ? : 1283 bnx2x_vf_max_queue_cnt(bp, vf); 1284 resc->num_txqs = vf_txq_count(vf) ? : 1285 bnx2x_vf_max_queue_cnt(bp, vf); 1286 resc->num_sbs = vf_sb_count(vf); 1287 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1288 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1289 resc->num_mc_filters = 0; 1290 1291 if (status == PFVF_STATUS_SUCCESS) { 1292 /* fill in the allocated resources */ 1293 struct pf_vf_bulletin_content *bulletin = 1294 BP_VF_BULLETIN(bp, vf->index); 1295 1296 for_each_vfq(vf, i) 1297 resc->hw_qid[i] = 1298 vfq_qzone_id(vf, vfq_get(vf, i)); 1299 1300 for_each_vf_sb(vf, i) { 1301 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1302 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1303 } 1304 1305 /* if a mac has been set for this vf, supply it */ 1306 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1307 memcpy(resc->current_mac_addr, bulletin->mac, 1308 ETH_ALEN); 1309 } 1310 } 1311 } 1312 1313 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" 1314 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1315 vf->abs_vfid, 1316 resp->pfdev_info.chip_num, 1317 resp->pfdev_info.db_size, 1318 resp->pfdev_info.indices_per_sb, 1319 resp->pfdev_info.pf_cap, 1320 resc->num_rxqs, 1321 resc->num_txqs, 1322 resc->num_sbs, 1323 resc->num_mac_filters, 1324 resc->num_vlan_filters, 1325 resc->num_mc_filters, 1326 resp->pfdev_info.fw_ver); 1327 1328 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1329 for (i = 0; i < vf_rxq_count(vf); i++) 1330 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1331 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1332 for (i = 0; i < vf_sb_count(vf); i++) 1333 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1334 resc->hw_sbs[i].hw_sb_id, 1335 resc->hw_sbs[i].sb_qid); 1336 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1337 1338 /* prepare response */ 1339 length = sizeof(struct pfvf_acquire_resp_tlv); 1340 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1341 1342 /* Handle possible VF requests for physical port identifiers. 1343 * 'length' should continue to indicate the offset of the first empty 1344 * place in the buffer (i.e., where next TLV should be inserted) 1345 */ 1346 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1347 CHANNEL_TLV_PHYS_PORT_ID)) 1348 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1349 1350 /* `New' vfs will want to know if fastpath HSI is supported, since 1351 * if that's not the case they could print into system log the fact 1352 * the driver version must be updated. 1353 */ 1354 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length); 1355 1356 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1357 sizeof(struct channel_list_end_tlv)); 1358 1359 /* send the response */ 1360 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); 1361 } 1362 1363 static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp, 1364 struct vfpf_acquire_tlv *acquire) 1365 { 1366 /* Windows driver does one of three things: 1367 * 1. Old driver doesn't have bulletin board address set. 1368 * 2. 'Middle' driver sends mc_num == 32. 1369 * 3. New driver sets the OS field. 1370 */ 1371 if (!acquire->bulletin_addr || 1372 acquire->resc_request.num_mc_filters == 32 || 1373 ((acquire->vfdev_info.vf_os & VF_OS_MASK) == 1374 VF_OS_WINDOWS)) 1375 return true; 1376 1377 return false; 1378 } 1379 1380 static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp, 1381 struct bnx2x_virtf *vf, 1382 struct bnx2x_vf_mbx *mbx) 1383 { 1384 /* Linux drivers which correctly set the doorbell size also 1385 * send a physical port request 1386 */ 1387 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1388 CHANNEL_TLV_PHYS_PORT_ID)) 1389 return 0; 1390 1391 /* Issue does not exist in windows VMs */ 1392 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1393 return 0; 1394 1395 return -EOPNOTSUPP; 1396 } 1397 1398 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1399 struct bnx2x_vf_mbx *mbx) 1400 { 1401 int rc; 1402 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1403 1404 /* log vfdef info */ 1405 DP(BNX2X_MSG_IOV, 1406 "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", 1407 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1408 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1409 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1410 acquire->resc_request.num_vlan_filters, 1411 acquire->resc_request.num_mc_filters); 1412 1413 /* Prevent VFs with old drivers from loading, since they calculate 1414 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover 1415 * while being upgraded. 1416 */ 1417 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx); 1418 if (rc) { 1419 DP(BNX2X_MSG_IOV, 1420 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n", 1421 vf->abs_vfid); 1422 goto out; 1423 } 1424 1425 /* Verify the VF fastpath HSI can be supported by the loaded FW. 1426 * Linux vfs should be oblivious to changes between v0 and v2. 1427 */ 1428 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1429 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver; 1430 else 1431 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver, 1432 ETH_FP_HSI_VER_2); 1433 if (vf->fp_hsi > ETH_FP_HSI_VERSION) { 1434 DP(BNX2X_MSG_IOV, 1435 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n", 1436 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver, 1437 ETH_FP_HSI_VERSION); 1438 rc = -EINVAL; 1439 goto out; 1440 } 1441 1442 /* acquire the resources */ 1443 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1444 1445 /* store address of vf's bulletin board */ 1446 vf->bulletin_map = acquire->bulletin_addr; 1447 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { 1448 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", 1449 vf->abs_vfid); 1450 vf->cfg_flags |= VF_CFG_EXT_BULLETIN; 1451 } else { 1452 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; 1453 } 1454 1455 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) { 1456 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n", 1457 vf->abs_vfid); 1458 vf->cfg_flags |= VF_CFG_VLAN_FILTER; 1459 } else { 1460 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER; 1461 } 1462 1463 out: 1464 /* response */ 1465 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1466 } 1467 1468 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1469 struct bnx2x_vf_mbx *mbx) 1470 { 1471 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1472 int rc; 1473 1474 /* record ghost addresses from vf message */ 1475 vf->fw_stat_map = init->stats_addr; 1476 vf->stats_stride = init->stats_stride; 1477 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1478 1479 /* set VF multiqueue statistics collection mode */ 1480 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1481 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1482 1483 /* Update VF's view of link state */ 1484 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) 1485 bnx2x_iov_link_update_vf(bp, vf->index); 1486 1487 /* response */ 1488 bnx2x_vf_mbx_resp(bp, vf, rc); 1489 } 1490 1491 /* convert MBX queue-flags to standard SP queue-flags */ 1492 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1493 unsigned long *sp_q_flags) 1494 { 1495 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1496 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1497 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1498 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1499 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1500 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1501 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1502 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1503 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1504 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1505 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1506 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1507 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1508 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1509 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1510 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1511 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1512 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1513 1514 /* outer vlan removal is set according to PF's multi function mode */ 1515 if (IS_MF_SD(bp)) 1516 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1517 } 1518 1519 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1520 struct bnx2x_vf_mbx *mbx) 1521 { 1522 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1523 struct bnx2x_vf_queue_construct_params qctor; 1524 int rc = 0; 1525 1526 /* verify vf_qid */ 1527 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1528 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1529 setup_q->vf_qid, vf_rxq_count(vf)); 1530 rc = -EINVAL; 1531 goto response; 1532 } 1533 1534 /* tx queues must be setup alongside rx queues thus if the rx queue 1535 * is not marked as valid there's nothing to do. 1536 */ 1537 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1538 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1539 unsigned long q_type = 0; 1540 1541 struct bnx2x_queue_init_params *init_p; 1542 struct bnx2x_queue_setup_params *setup_p; 1543 1544 if (bnx2x_vfq_is_leading(q)) 1545 bnx2x_leading_vfq_init(bp, vf, q); 1546 1547 /* re-init the VF operation context */ 1548 memset(&qctor, 0 , 1549 sizeof(struct bnx2x_vf_queue_construct_params)); 1550 setup_p = &qctor.prep_qsetup; 1551 init_p = &qctor.qstate.params.init; 1552 1553 /* activate immediately */ 1554 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1555 1556 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1557 struct bnx2x_txq_setup_params *txq_params = 1558 &setup_p->txq_params; 1559 1560 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1561 1562 /* save sb resource index */ 1563 q->sb_idx = setup_q->txq.vf_sb; 1564 1565 /* tx init */ 1566 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1567 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1568 1569 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1570 &init_p->tx.flags); 1571 1572 /* tx setup - flags */ 1573 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1574 &setup_p->flags); 1575 1576 /* tx setup - general, nothing */ 1577 1578 /* tx setup - tx */ 1579 txq_params->dscr_map = setup_q->txq.txq_addr; 1580 txq_params->sb_cq_index = setup_q->txq.sb_index; 1581 txq_params->traffic_type = setup_q->txq.traffic_type; 1582 1583 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1584 q->index, q->sb_idx); 1585 } 1586 1587 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1588 struct bnx2x_rxq_setup_params *rxq_params = 1589 &setup_p->rxq_params; 1590 1591 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1592 1593 /* Note: there is no support for different SBs 1594 * for TX and RX 1595 */ 1596 q->sb_idx = setup_q->rxq.vf_sb; 1597 1598 /* rx init */ 1599 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1600 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1601 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1602 &init_p->rx.flags); 1603 1604 /* rx setup - flags */ 1605 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1606 &setup_p->flags); 1607 1608 /* rx setup - general */ 1609 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1610 1611 /* rx setup - rx */ 1612 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1613 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1614 rxq_params->sge_map = setup_q->rxq.sge_addr; 1615 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1616 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1617 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1618 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1619 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1620 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1621 rxq_params->cache_line_log = 1622 setup_q->rxq.cache_line_log; 1623 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1624 1625 /* rx setup - multicast engine */ 1626 if (bnx2x_vfq_is_leading(q)) { 1627 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1628 1629 rxq_params->mcast_engine_id = mcast_id; 1630 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1631 } 1632 1633 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1634 q->index, q->sb_idx); 1635 } 1636 /* complete the preparations */ 1637 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); 1638 1639 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); 1640 if (rc) 1641 goto response; 1642 } 1643 response: 1644 bnx2x_vf_mbx_resp(bp, vf, rc); 1645 } 1646 1647 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1648 struct bnx2x_virtf *vf, 1649 struct vfpf_set_q_filters_tlv *tlv, 1650 struct bnx2x_vf_mac_vlan_filters **pfl, 1651 u32 type_flag) 1652 { 1653 int i, j; 1654 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1655 size_t fsz; 1656 1657 fsz = tlv->n_mac_vlan_filters * 1658 sizeof(struct bnx2x_vf_mac_vlan_filter) + 1659 sizeof(struct bnx2x_vf_mac_vlan_filters); 1660 1661 fl = kzalloc(fsz, GFP_KERNEL); 1662 if (!fl) 1663 return -ENOMEM; 1664 1665 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1666 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1667 1668 if ((msg_filter->flags & type_flag) != type_flag) 1669 continue; 1670 memset(&fl->filters[j], 0, sizeof(fl->filters[j])); 1671 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { 1672 fl->filters[j].mac = msg_filter->mac; 1673 fl->filters[j].type |= BNX2X_VF_FILTER_MAC; 1674 } 1675 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { 1676 fl->filters[j].vid = msg_filter->vlan_tag; 1677 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; 1678 } 1679 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); 1680 fl->count++; 1681 j++; 1682 } 1683 if (!fl->count) 1684 kfree(fl); 1685 else 1686 *pfl = fl; 1687 1688 return 0; 1689 } 1690 1691 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, 1692 u32 flags) 1693 { 1694 int i, cnt = 0; 1695 1696 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1697 if ((filters->filters[i].flags & flags) == flags) 1698 cnt++; 1699 1700 return cnt; 1701 } 1702 1703 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1704 struct vfpf_q_mac_vlan_filter *filter) 1705 { 1706 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1707 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1708 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1709 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1710 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1711 DP_CONT(msglvl, "\n"); 1712 } 1713 1714 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1715 struct vfpf_set_q_filters_tlv *filters) 1716 { 1717 int i; 1718 1719 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1720 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1721 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1722 &filters->filters[i]); 1723 1724 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1725 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1726 1727 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1728 for (i = 0; i < filters->n_multicast; i++) 1729 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1730 } 1731 1732 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1733 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1734 #define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) 1735 1736 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1737 { 1738 int rc = 0; 1739 1740 struct vfpf_set_q_filters_tlv *msg = 1741 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1742 1743 /* check for any mac/vlan changes */ 1744 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1745 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1746 1747 /* build vlan-mac list */ 1748 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1749 VFPF_VLAN_MAC_FILTER); 1750 if (rc) 1751 goto op_err; 1752 1753 if (fl) { 1754 1755 /* set vlan-mac list */ 1756 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1757 msg->vf_qid, 1758 false); 1759 if (rc) 1760 goto op_err; 1761 } 1762 1763 /* build mac list */ 1764 fl = NULL; 1765 1766 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1767 VFPF_MAC_FILTER); 1768 if (rc) 1769 goto op_err; 1770 1771 if (fl) { 1772 /* set mac list */ 1773 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1774 msg->vf_qid, 1775 false); 1776 if (rc) 1777 goto op_err; 1778 } 1779 1780 /* build vlan list */ 1781 fl = NULL; 1782 1783 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1784 VFPF_VLAN_FILTER); 1785 if (rc) 1786 goto op_err; 1787 1788 if (fl) { 1789 /* set vlan list */ 1790 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1791 msg->vf_qid, 1792 false); 1793 if (rc) 1794 goto op_err; 1795 } 1796 1797 } 1798 1799 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1800 unsigned long accept = 0; 1801 struct pf_vf_bulletin_content *bulletin = 1802 BP_VF_BULLETIN(bp, vf->index); 1803 1804 /* Ignore VF requested mode; instead set a regular mode */ 1805 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1806 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1807 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1808 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1809 } 1810 1811 /* any_vlan is not configured if HV is forcing VLAN 1812 * any_vlan is configured if 1813 * 1. VF does not support vlan filtering 1814 * OR 1815 * 2. VF supports vlan filtering and explicitly requested it 1816 */ 1817 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && 1818 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || 1819 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) 1820 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1821 1822 /* set rx-mode */ 1823 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1824 if (rc) 1825 goto op_err; 1826 } 1827 1828 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1829 /* set mcasts */ 1830 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1831 msg->n_multicast, false); 1832 if (rc) 1833 goto op_err; 1834 } 1835 op_err: 1836 if (rc) 1837 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1838 vf->abs_vfid, msg->vf_qid, rc); 1839 return rc; 1840 } 1841 1842 static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1843 struct bnx2x_virtf *vf, 1844 struct vfpf_set_q_filters_tlv *filters) 1845 { 1846 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1847 int rc = 0; 1848 1849 /* if a mac was already set for this VF via the set vf mac ndo, we only 1850 * accept mac configurations of that mac. Why accept them at all? 1851 * because PF may have been unable to configure the mac at the time 1852 * since queue was not set up. 1853 */ 1854 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1855 struct vfpf_q_mac_vlan_filter *filter = NULL; 1856 int i; 1857 1858 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1859 if (!(filters->filters[i].flags & 1860 VFPF_Q_FILTER_DEST_MAC_VALID)) 1861 continue; 1862 1863 /* once a mac was set by ndo can only accept 1864 * a single mac... 1865 */ 1866 if (filter) { 1867 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", 1868 vf->abs_vfid, 1869 filters->n_mac_vlan_filters); 1870 rc = -EPERM; 1871 goto response; 1872 } 1873 1874 filter = &filters->filters[i]; 1875 } 1876 1877 /* ...and only the mac set by the ndo */ 1878 if (filter && 1879 !ether_addr_equal(filter->mac, bulletin->mac)) { 1880 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1881 vf->abs_vfid); 1882 1883 rc = -EPERM; 1884 goto response; 1885 } 1886 } 1887 1888 response: 1889 return rc; 1890 } 1891 1892 static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1893 struct bnx2x_virtf *vf, 1894 struct vfpf_set_q_filters_tlv *filters) 1895 { 1896 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1897 int rc = 0; 1898 1899 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1900 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1901 /* search for vlan filters */ 1902 1903 if (bnx2x_vf_filters_contain(filters, 1904 VFPF_Q_FILTER_VLAN_TAG_VALID)) { 1905 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1906 vf->abs_vfid); 1907 rc = -EPERM; 1908 goto response; 1909 } 1910 } 1911 1912 /* verify vf_qid */ 1913 if (filters->vf_qid > vf_rxq_count(vf)) { 1914 rc = -EPERM; 1915 goto response; 1916 } 1917 1918 response: 1919 return rc; 1920 } 1921 1922 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1923 struct bnx2x_virtf *vf, 1924 struct bnx2x_vf_mbx *mbx) 1925 { 1926 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1927 int rc; 1928 1929 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1930 if (rc) 1931 goto response; 1932 1933 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1934 if (rc) 1935 goto response; 1936 1937 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1938 vf->abs_vfid, 1939 filters->vf_qid); 1940 1941 /* print q_filter message */ 1942 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1943 1944 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1945 response: 1946 bnx2x_vf_mbx_resp(bp, vf, rc); 1947 } 1948 1949 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1950 struct bnx2x_vf_mbx *mbx) 1951 { 1952 int qid = mbx->msg->req.q_op.vf_qid; 1953 int rc; 1954 1955 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1956 vf->abs_vfid, qid); 1957 1958 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1959 bnx2x_vf_mbx_resp(bp, vf, rc); 1960 } 1961 1962 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1963 struct bnx2x_vf_mbx *mbx) 1964 { 1965 int rc; 1966 1967 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1968 1969 rc = bnx2x_vf_close(bp, vf); 1970 bnx2x_vf_mbx_resp(bp, vf, rc); 1971 } 1972 1973 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1974 struct bnx2x_vf_mbx *mbx) 1975 { 1976 int rc; 1977 1978 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1979 1980 rc = bnx2x_vf_free(bp, vf); 1981 bnx2x_vf_mbx_resp(bp, vf, rc); 1982 } 1983 1984 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1985 struct bnx2x_vf_mbx *mbx) 1986 { 1987 struct bnx2x_config_rss_params rss; 1988 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1989 int rc = 0; 1990 1991 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1992 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1993 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1994 vf->index); 1995 rc = -EINVAL; 1996 goto mbx_resp; 1997 } 1998 1999 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 2000 2001 /* set vfop params according to rss tlv */ 2002 memcpy(rss.ind_table, rss_tlv->ind_table, 2003 T_ETH_INDIRECTION_TABLE_SIZE); 2004 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 2005 rss.rss_obj = &vf->rss_conf_obj; 2006 rss.rss_result_mask = rss_tlv->rss_result_mask; 2007 2008 /* flags handled individually for backward/forward compatibility */ 2009 rss.rss_flags = 0; 2010 rss.ramrod_flags = 0; 2011 2012 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 2013 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 2014 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 2015 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 2016 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 2017 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 2018 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 2019 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 2020 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 2021 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 2022 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 2023 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 2024 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 2025 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 2026 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 2027 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 2028 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 2029 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 2030 2031 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 2032 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 2033 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 2034 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 2035 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 2036 rc = -EINVAL; 2037 goto mbx_resp; 2038 } 2039 2040 rc = bnx2x_vf_rss_update(bp, vf, &rss); 2041 mbx_resp: 2042 bnx2x_vf_mbx_resp(bp, vf, rc); 2043 } 2044 2045 static int bnx2x_validate_tpa_params(struct bnx2x *bp, 2046 struct vfpf_tpa_tlv *tpa_tlv) 2047 { 2048 int rc = 0; 2049 2050 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 2051 U_ETH_MAX_SGES_FOR_PACKET) { 2052 rc = -EINVAL; 2053 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 2054 tpa_tlv->tpa_client_info.max_sges_for_packet, 2055 U_ETH_MAX_SGES_FOR_PACKET); 2056 } 2057 2058 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 2059 rc = -EINVAL; 2060 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 2061 tpa_tlv->tpa_client_info.max_tpa_queues, 2062 MAX_AGG_QS(bp)); 2063 } 2064 2065 return rc; 2066 } 2067 2068 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 2069 struct bnx2x_vf_mbx *mbx) 2070 { 2071 struct bnx2x_queue_update_tpa_params vf_op_params; 2072 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 2073 int rc = 0; 2074 2075 memset(&vf_op_params, 0, sizeof(vf_op_params)); 2076 2077 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 2078 goto mbx_resp; 2079 2080 vf_op_params.complete_on_both_clients = 2081 tpa_tlv->tpa_client_info.complete_on_both_clients; 2082 vf_op_params.dont_verify_thr = 2083 tpa_tlv->tpa_client_info.dont_verify_thr; 2084 vf_op_params.max_agg_sz = 2085 tpa_tlv->tpa_client_info.max_agg_size; 2086 vf_op_params.max_sges_pkt = 2087 tpa_tlv->tpa_client_info.max_sges_for_packet; 2088 vf_op_params.max_tpa_queues = 2089 tpa_tlv->tpa_client_info.max_tpa_queues; 2090 vf_op_params.sge_buff_sz = 2091 tpa_tlv->tpa_client_info.sge_buff_size; 2092 vf_op_params.sge_pause_thr_high = 2093 tpa_tlv->tpa_client_info.sge_pause_thr_high; 2094 vf_op_params.sge_pause_thr_low = 2095 tpa_tlv->tpa_client_info.sge_pause_thr_low; 2096 vf_op_params.tpa_mode = 2097 tpa_tlv->tpa_client_info.tpa_mode; 2098 vf_op_params.update_ipv4 = 2099 tpa_tlv->tpa_client_info.update_ipv4; 2100 vf_op_params.update_ipv6 = 2101 tpa_tlv->tpa_client_info.update_ipv6; 2102 2103 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 2104 2105 mbx_resp: 2106 bnx2x_vf_mbx_resp(bp, vf, rc); 2107 } 2108 2109 /* dispatch request */ 2110 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 2111 struct bnx2x_vf_mbx *mbx) 2112 { 2113 int i; 2114 2115 /* check if tlv type is known */ 2116 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 2117 /* Lock the per vf op mutex and note the locker's identity. 2118 * The unlock will take place in mbx response. 2119 */ 2120 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2121 2122 /* switch on the opcode */ 2123 switch (mbx->first_tlv.tl.type) { 2124 case CHANNEL_TLV_ACQUIRE: 2125 bnx2x_vf_mbx_acquire(bp, vf, mbx); 2126 return; 2127 case CHANNEL_TLV_INIT: 2128 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 2129 return; 2130 case CHANNEL_TLV_SETUP_Q: 2131 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 2132 return; 2133 case CHANNEL_TLV_SET_Q_FILTERS: 2134 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 2135 return; 2136 case CHANNEL_TLV_TEARDOWN_Q: 2137 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 2138 return; 2139 case CHANNEL_TLV_CLOSE: 2140 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 2141 return; 2142 case CHANNEL_TLV_RELEASE: 2143 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 2144 return; 2145 case CHANNEL_TLV_UPDATE_RSS: 2146 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 2147 return; 2148 case CHANNEL_TLV_UPDATE_TPA: 2149 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 2150 return; 2151 } 2152 2153 } else { 2154 /* unknown TLV - this may belong to a VF driver from the future 2155 * - a version written after this PF driver was written, which 2156 * supports features unknown as of yet. Too bad since we don't 2157 * support them. Or this may be because someone wrote a crappy 2158 * VF driver and is sending garbage over the channel. 2159 */ 2160 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 2161 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 2162 vf->state); 2163 for (i = 0; i < 20; i++) 2164 DP_CONT(BNX2X_MSG_IOV, "%x ", 2165 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 2166 } 2167 2168 /* can we respond to VF (do we have an address for it?) */ 2169 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 2170 /* notify the VF that we do not support this request */ 2171 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 2172 } else { 2173 /* can't send a response since this VF is unknown to us 2174 * just ack the FW to release the mailbox and unlock 2175 * the channel. 2176 */ 2177 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2178 /* Firmware ack should be written before unlocking channel */ 2179 mmiowb(); 2180 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2181 } 2182 } 2183 2184 void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 2185 struct vf_pf_event_data *vfpf_event) 2186 { 2187 u8 vf_idx; 2188 2189 DP(BNX2X_MSG_IOV, 2190 "vf pf event received: vfid %d, address_hi %x, address lo %x", 2191 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 2192 /* Sanity checks consider removing later */ 2193 2194 /* check if the vf_id is valid */ 2195 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 2196 BNX2X_NR_VIRTFN(bp)) { 2197 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 2198 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 2199 return; 2200 } 2201 2202 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 2203 2204 /* Update VFDB with current message and schedule its handling */ 2205 mutex_lock(&BP_VFDB(bp)->event_mutex); 2206 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = 2207 le32_to_cpu(vfpf_event->msg_addr_hi); 2208 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = 2209 le32_to_cpu(vfpf_event->msg_addr_lo); 2210 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 2211 mutex_unlock(&BP_VFDB(bp)->event_mutex); 2212 2213 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 2214 } 2215 2216 /* handle new vf-pf messages */ 2217 void bnx2x_vf_mbx(struct bnx2x *bp) 2218 { 2219 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 2220 u64 events; 2221 u8 vf_idx; 2222 int rc; 2223 2224 if (!vfdb) 2225 return; 2226 2227 mutex_lock(&vfdb->event_mutex); 2228 events = vfdb->event_occur; 2229 vfdb->event_occur = 0; 2230 mutex_unlock(&vfdb->event_mutex); 2231 2232 for_each_vf(bp, vf_idx) { 2233 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 2234 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 2235 2236 /* Handle VFs which have pending events */ 2237 if (!(events & (1ULL << vf_idx))) 2238 continue; 2239 2240 DP(BNX2X_MSG_IOV, 2241 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 2242 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 2243 mbx->first_tlv.resp_msg_offset); 2244 2245 /* dmae to get the VF request */ 2246 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2247 vf->abs_vfid, mbx->vf_addr_hi, 2248 mbx->vf_addr_lo, 2249 sizeof(union vfpf_tlvs)/4); 2250 if (rc) { 2251 BNX2X_ERR("Failed to copy request VF %d\n", 2252 vf->abs_vfid); 2253 bnx2x_vf_release(bp, vf); 2254 return; 2255 } 2256 2257 /* process the VF message header */ 2258 mbx->first_tlv = mbx->msg->req.first_tlv; 2259 2260 /* Clean response buffer to refrain from falsely 2261 * seeing chains. 2262 */ 2263 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2264 2265 /* dispatch the request (will prepare the response) */ 2266 bnx2x_vf_mbx_request(bp, vf, mbx); 2267 } 2268 } 2269 2270 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2271 bool support_long) 2272 { 2273 /* Older VFs contain a bug where they can't check CRC for bulletin 2274 * boards of length greater than legacy size. 2275 */ 2276 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2277 BULLETIN_CONTENT_LEGACY_SIZE; 2278 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2279 } 2280 2281 /* propagate local bulletin board to vf */ 2282 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2283 { 2284 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2285 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2286 vf * BULLETIN_CONTENT_SIZE; 2287 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2288 int rc; 2289 2290 /* can only update vf after init took place */ 2291 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2292 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2293 return 0; 2294 2295 /* increment bulletin board version and compute crc */ 2296 bulletin->version++; 2297 bnx2x_vf_bulletin_finalize(bulletin, 2298 (bnx2x_vf(bp, vf, cfg_flags) & 2299 VF_CFG_EXT_BULLETIN) ? true : false); 2300 2301 /* propagate bulletin board via dmae to vm memory */ 2302 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2303 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2304 U64_LO(vf_addr), bulletin->length / 4); 2305 return rc; 2306 } 2307