1 /* bnx2x_vfpf.c: Broadcom Everest network driver. 2 * 3 * Copyright 2009-2013 Broadcom Corporation 4 * 5 * Unless you and Broadcom execute a separate written software license 6 * agreement governing use of this software, this software is licensed to you 7 * under the terms of the GNU General Public License version 2, available 8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). 9 * 10 * Notwithstanding the above, under no circumstances may you combine this 11 * software in any way with any other Broadcom software provided under a 12 * license other than the GPL, without Broadcom's express prior written 13 * consent. 14 * 15 * Maintained by: Ariel Elior <ariel.elior@qlogic.com> 16 * Written by: Shmulik Ravid 17 * Ariel Elior <ariel.elior@qlogic.com> 18 */ 19 20 #include "bnx2x.h" 21 #include "bnx2x_cmn.h" 22 #include <linux/crc32.h> 23 24 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx); 25 26 /* place a given tlv on the tlv buffer at a given offset */ 27 static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, 28 u16 offset, u16 type, u16 length) 29 { 30 struct channel_tlv *tl = 31 (struct channel_tlv *)(tlvs_list + offset); 32 33 tl->type = type; 34 tl->length = length; 35 } 36 37 /* Clear the mailbox and init the header of the first tlv */ 38 static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, 39 u16 type, u16 length) 40 { 41 mutex_lock(&bp->vf2pf_mutex); 42 43 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", 44 type); 45 46 /* Clear mailbox */ 47 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); 48 49 /* init type and length */ 50 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); 51 52 /* init first tlv header */ 53 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); 54 } 55 56 /* releases the mailbox */ 57 static void bnx2x_vfpf_finalize(struct bnx2x *bp, 58 struct vfpf_first_tlv *first_tlv) 59 { 60 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", 61 first_tlv->tl.type); 62 63 mutex_unlock(&bp->vf2pf_mutex); 64 } 65 66 /* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */ 67 static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list, 68 enum channel_tlvs req_tlv) 69 { 70 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 71 72 do { 73 if (tlv->type == req_tlv) 74 return tlv; 75 76 if (!tlv->length) { 77 BNX2X_ERR("Found TLV with length 0\n"); 78 return NULL; 79 } 80 81 tlvs_list += tlv->length; 82 tlv = (struct channel_tlv *)tlvs_list; 83 } while (tlv->type != CHANNEL_TLV_LIST_END); 84 85 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv); 86 87 return NULL; 88 } 89 90 /* list the types and lengths of the tlvs on the buffer */ 91 static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) 92 { 93 int i = 1; 94 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 95 96 while (tlv->type != CHANNEL_TLV_LIST_END) { 97 /* output tlv */ 98 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 99 tlv->type, tlv->length); 100 101 /* advance to next tlv */ 102 tlvs_list += tlv->length; 103 104 /* cast general tlv list pointer to channel tlv header*/ 105 tlv = (struct channel_tlv *)tlvs_list; 106 107 i++; 108 109 /* break condition for this loop */ 110 if (i > MAX_TLVS_IN_LIST) { 111 WARN(true, "corrupt tlvs"); 112 return; 113 } 114 } 115 116 /* output last tlv */ 117 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 118 tlv->type, tlv->length); 119 } 120 121 /* test whether we support a tlv type */ 122 bool bnx2x_tlv_supported(u16 tlvtype) 123 { 124 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 125 } 126 127 static inline int bnx2x_pfvf_status_codes(int rc) 128 { 129 switch (rc) { 130 case 0: 131 return PFVF_STATUS_SUCCESS; 132 case -ENOMEM: 133 return PFVF_STATUS_NO_RESOURCE; 134 default: 135 return PFVF_STATUS_FAILURE; 136 } 137 } 138 139 static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) 140 { 141 struct cstorm_vf_zone_data __iomem *zone_data = 142 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); 143 int tout = 100, interval = 100; /* wait for 10 seconds */ 144 145 if (*done) { 146 BNX2X_ERR("done was non zero before message to pf was sent\n"); 147 WARN_ON(true); 148 return -EINVAL; 149 } 150 151 /* if PF indicated channel is down avoid sending message. Return success 152 * so calling flow can continue 153 */ 154 bnx2x_sample_bulletin(bp); 155 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { 156 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n"); 157 *done = PFVF_STATUS_SUCCESS; 158 return -EINVAL; 159 } 160 161 /* Write message address */ 162 writel(U64_LO(msg_mapping), 163 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo); 164 writel(U64_HI(msg_mapping), 165 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi); 166 167 /* make sure the address is written before FW accesses it */ 168 wmb(); 169 170 /* Trigger the PF FW */ 171 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid); 172 173 /* Wait for PF to complete */ 174 while ((tout >= 0) && (!*done)) { 175 msleep(interval); 176 tout -= 1; 177 178 /* progress indicator - HV can take its own sweet time in 179 * answering VFs... 180 */ 181 DP_CONT(BNX2X_MSG_IOV, "."); 182 } 183 184 if (!*done) { 185 BNX2X_ERR("PF response has timed out\n"); 186 return -EAGAIN; 187 } 188 DP(BNX2X_MSG_SP, "Got a response from PF\n"); 189 return 0; 190 } 191 192 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) 193 { 194 u32 me_reg; 195 int tout = 10, interval = 100; /* Wait for 1 sec */ 196 197 do { 198 /* pxp traps vf read of doorbells and returns me reg value */ 199 me_reg = readl(bp->doorbells); 200 if (GOOD_ME_REG(me_reg)) 201 break; 202 203 msleep(interval); 204 205 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", 206 me_reg); 207 } while (tout-- > 0); 208 209 if (!GOOD_ME_REG(me_reg)) { 210 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); 211 return -EINVAL; 212 } 213 214 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); 215 216 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; 217 218 return 0; 219 } 220 221 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) 222 { 223 int rc = 0, attempts = 0; 224 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; 225 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; 226 struct vfpf_port_phys_id_resp_tlv *phys_port_resp; 227 u32 vf_id; 228 bool resources_acquired = false; 229 230 /* clear mailbox and prep first tlv */ 231 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 232 233 if (bnx2x_get_vf_id(bp, &vf_id)) { 234 rc = -EAGAIN; 235 goto out; 236 } 237 238 req->vfdev_info.vf_id = vf_id; 239 req->vfdev_info.vf_os = 0; 240 241 req->resc_request.num_rxqs = rx_count; 242 req->resc_request.num_txqs = tx_count; 243 req->resc_request.num_sbs = bp->igu_sb_cnt; 244 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; 245 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; 246 247 /* pf 2 vf bulletin board address */ 248 req->bulletin_addr = bp->pf2vf_bulletin_mapping; 249 250 /* Request physical port identifier */ 251 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, 252 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); 253 254 /* Bulletin support for bulletin board with length > legacy length */ 255 req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN; 256 257 /* add list termination tlv */ 258 bnx2x_add_tlv(bp, req, 259 req->first_tlv.tl.length + sizeof(struct channel_tlv), 260 CHANNEL_TLV_LIST_END, 261 sizeof(struct channel_list_end_tlv)); 262 263 /* output tlvs list */ 264 bnx2x_dp_tlv_list(bp, req); 265 266 while (!resources_acquired) { 267 DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); 268 269 /* send acquire request */ 270 rc = bnx2x_send_msg2pf(bp, 271 &resp->hdr.status, 272 bp->vf2pf_mbox_mapping); 273 274 /* PF timeout */ 275 if (rc) 276 goto out; 277 278 /* copy acquire response from buffer to bp */ 279 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); 280 281 attempts++; 282 283 /* test whether the PF accepted our request. If not, humble 284 * the request and try again. 285 */ 286 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { 287 DP(BNX2X_MSG_SP, "resources acquired\n"); 288 resources_acquired = true; 289 } else if (bp->acquire_resp.hdr.status == 290 PFVF_STATUS_NO_RESOURCE && 291 attempts < VF_ACQUIRE_THRESH) { 292 DP(BNX2X_MSG_SP, 293 "PF unwilling to fulfill resource request. Try PF recommended amount\n"); 294 295 /* humble our request */ 296 req->resc_request.num_txqs = 297 min(req->resc_request.num_txqs, 298 bp->acquire_resp.resc.num_txqs); 299 req->resc_request.num_rxqs = 300 min(req->resc_request.num_rxqs, 301 bp->acquire_resp.resc.num_rxqs); 302 req->resc_request.num_sbs = 303 min(req->resc_request.num_sbs, 304 bp->acquire_resp.resc.num_sbs); 305 req->resc_request.num_mac_filters = 306 min(req->resc_request.num_mac_filters, 307 bp->acquire_resp.resc.num_mac_filters); 308 req->resc_request.num_vlan_filters = 309 min(req->resc_request.num_vlan_filters, 310 bp->acquire_resp.resc.num_vlan_filters); 311 req->resc_request.num_mc_filters = 312 min(req->resc_request.num_mc_filters, 313 bp->acquire_resp.resc.num_mc_filters); 314 315 /* Clear response buffer */ 316 memset(&bp->vf2pf_mbox->resp, 0, 317 sizeof(union pfvf_tlvs)); 318 } else { 319 /* PF reports error */ 320 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", 321 bp->acquire_resp.hdr.status); 322 rc = -EAGAIN; 323 goto out; 324 } 325 } 326 327 /* Retrieve physical port id (if possible) */ 328 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) 329 bnx2x_search_tlv_list(bp, resp, 330 CHANNEL_TLV_PHYS_PORT_ID); 331 if (phys_port_resp) { 332 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); 333 bp->flags |= HAS_PHYS_PORT_ID; 334 } 335 336 /* get HW info */ 337 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); 338 bp->link_params.chip_id = bp->common.chip_id; 339 bp->db_size = bp->acquire_resp.pfdev_info.db_size; 340 bp->common.int_block = INT_BLOCK_IGU; 341 bp->common.chip_port_mode = CHIP_2_PORT_MODE; 342 bp->igu_dsb_id = -1; 343 bp->mf_ov = 0; 344 bp->mf_mode = 0; 345 bp->common.flash_size = 0; 346 bp->flags |= 347 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; 348 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; 349 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; 350 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, 351 sizeof(bp->fw_ver)); 352 353 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) 354 memcpy(bp->dev->dev_addr, 355 bp->acquire_resp.resc.current_mac_addr, 356 ETH_ALEN); 357 358 out: 359 bnx2x_vfpf_finalize(bp, &req->first_tlv); 360 return rc; 361 } 362 363 int bnx2x_vfpf_release(struct bnx2x *bp) 364 { 365 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 366 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 367 u32 rc, vf_id; 368 369 /* clear mailbox and prep first tlv */ 370 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 371 372 if (bnx2x_get_vf_id(bp, &vf_id)) { 373 rc = -EAGAIN; 374 goto out; 375 } 376 377 req->vf_id = vf_id; 378 379 /* add list termination tlv */ 380 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 381 sizeof(struct channel_list_end_tlv)); 382 383 /* output tlvs list */ 384 bnx2x_dp_tlv_list(bp, req); 385 386 /* send release request */ 387 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 388 389 if (rc) 390 /* PF timeout */ 391 goto out; 392 393 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 394 /* PF released us */ 395 DP(BNX2X_MSG_SP, "vf released\n"); 396 } else { 397 /* PF reports error */ 398 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", 399 resp->hdr.status); 400 rc = -EAGAIN; 401 goto out; 402 } 403 out: 404 bnx2x_vfpf_finalize(bp, &req->first_tlv); 405 406 return rc; 407 } 408 409 /* Tell PF about SB addresses */ 410 int bnx2x_vfpf_init(struct bnx2x *bp) 411 { 412 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 413 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 414 int rc, i; 415 416 /* clear mailbox and prep first tlv */ 417 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 418 419 /* status blocks */ 420 for_each_eth_queue(bp, i) 421 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 422 status_blk_mapping); 423 424 /* statistics - requests only supports single queue for now */ 425 req->stats_addr = bp->fw_stats_data_mapping + 426 offsetof(struct bnx2x_fw_stats_data, queue_stats); 427 428 req->stats_stride = sizeof(struct per_queue_stats); 429 430 /* add list termination tlv */ 431 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 432 sizeof(struct channel_list_end_tlv)); 433 434 /* output tlvs list */ 435 bnx2x_dp_tlv_list(bp, req); 436 437 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 438 if (rc) 439 goto out; 440 441 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 442 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 443 resp->hdr.status); 444 rc = -EAGAIN; 445 goto out; 446 } 447 448 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 449 out: 450 bnx2x_vfpf_finalize(bp, &req->first_tlv); 451 452 return rc; 453 } 454 455 /* CLOSE VF - opposite to INIT_VF */ 456 void bnx2x_vfpf_close_vf(struct bnx2x *bp) 457 { 458 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 459 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 460 int i, rc; 461 u32 vf_id; 462 463 /* If we haven't got a valid VF id, there is no sense to 464 * continue with sending messages 465 */ 466 if (bnx2x_get_vf_id(bp, &vf_id)) 467 goto free_irq; 468 469 /* Close the queues */ 470 for_each_queue(bp, i) 471 bnx2x_vfpf_teardown_queue(bp, i); 472 473 /* remove mac */ 474 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 475 476 /* clear mailbox and prep first tlv */ 477 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 478 479 req->vf_id = vf_id; 480 481 /* add list termination tlv */ 482 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 483 sizeof(struct channel_list_end_tlv)); 484 485 /* output tlvs list */ 486 bnx2x_dp_tlv_list(bp, req); 487 488 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 489 490 if (rc) 491 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 492 493 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 494 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 495 resp->hdr.status); 496 497 bnx2x_vfpf_finalize(bp, &req->first_tlv); 498 499 free_irq: 500 /* Disable HW interrupts, NAPI */ 501 bnx2x_netif_stop(bp, 0); 502 /* Delete all NAPI objects */ 503 bnx2x_del_all_napi(bp); 504 505 /* Release IRQs */ 506 bnx2x_free_irq(bp); 507 } 508 509 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 510 struct bnx2x_vf_queue *q) 511 { 512 u8 cl_id = vfq_cl_id(vf, q); 513 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 514 515 /* mac */ 516 bnx2x_init_mac_obj(bp, &q->mac_obj, 517 cl_id, q->cid, func_id, 518 bnx2x_vf_sp(bp, vf, mac_rdata), 519 bnx2x_vf_sp_map(bp, vf, mac_rdata), 520 BNX2X_FILTER_MAC_PENDING, 521 &vf->filter_state, 522 BNX2X_OBJ_TYPE_RX_TX, 523 &bp->macs_pool); 524 /* vlan */ 525 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 526 cl_id, q->cid, func_id, 527 bnx2x_vf_sp(bp, vf, vlan_rdata), 528 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 529 BNX2X_FILTER_VLAN_PENDING, 530 &vf->filter_state, 531 BNX2X_OBJ_TYPE_RX_TX, 532 &bp->vlans_pool); 533 534 /* mcast */ 535 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 536 q->cid, func_id, func_id, 537 bnx2x_vf_sp(bp, vf, mcast_rdata), 538 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 539 BNX2X_FILTER_MCAST_PENDING, 540 &vf->filter_state, 541 BNX2X_OBJ_TYPE_RX_TX); 542 543 /* rss */ 544 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 545 func_id, func_id, 546 bnx2x_vf_sp(bp, vf, rss_rdata), 547 bnx2x_vf_sp_map(bp, vf, rss_rdata), 548 BNX2X_FILTER_RSS_CONF_PENDING, 549 &vf->filter_state, 550 BNX2X_OBJ_TYPE_RX_TX); 551 552 vf->leading_rss = cl_id; 553 q->is_leading = true; 554 q->sp_initialized = true; 555 } 556 557 /* ask the pf to open a queue for the vf */ 558 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 559 bool is_leading) 560 { 561 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 562 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 563 u8 fp_idx = fp->index; 564 u16 tpa_agg_size = 0, flags = 0; 565 int rc; 566 567 /* clear mailbox and prep first tlv */ 568 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 569 570 /* select tpa mode to request */ 571 if (!fp->disable_tpa) { 572 flags |= VFPF_QUEUE_FLG_TPA; 573 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 574 if (fp->mode == TPA_MODE_GRO) 575 flags |= VFPF_QUEUE_FLG_TPA_GRO; 576 tpa_agg_size = TPA_AGG_SIZE; 577 } 578 579 if (is_leading) 580 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 581 582 /* calculate queue flags */ 583 flags |= VFPF_QUEUE_FLG_STATS; 584 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 585 flags |= VFPF_QUEUE_FLG_VLAN; 586 DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); 587 588 /* Common */ 589 req->vf_qid = fp_idx; 590 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 591 592 /* Rx */ 593 req->rxq.rcq_addr = fp->rx_comp_mapping; 594 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 595 req->rxq.rxq_addr = fp->rx_desc_mapping; 596 req->rxq.sge_addr = fp->rx_sge_mapping; 597 req->rxq.vf_sb = fp_idx; 598 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 599 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 600 req->rxq.mtu = bp->dev->mtu; 601 req->rxq.buf_sz = fp->rx_buf_size; 602 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 603 req->rxq.tpa_agg_sz = tpa_agg_size; 604 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 605 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 606 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 607 req->rxq.flags = flags; 608 req->rxq.drop_flags = 0; 609 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 610 req->rxq.stat_id = -1; /* No stats at the moment */ 611 612 /* Tx */ 613 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 614 req->txq.vf_sb = fp_idx; 615 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 616 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 617 req->txq.flags = flags; 618 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 619 620 /* add list termination tlv */ 621 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 622 sizeof(struct channel_list_end_tlv)); 623 624 /* output tlvs list */ 625 bnx2x_dp_tlv_list(bp, req); 626 627 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 628 if (rc) 629 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 630 fp_idx); 631 632 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 633 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 634 fp_idx, resp->hdr.status); 635 rc = -EINVAL; 636 } 637 638 bnx2x_vfpf_finalize(bp, &req->first_tlv); 639 640 return rc; 641 } 642 643 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 644 { 645 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 646 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 647 int rc; 648 649 /* clear mailbox and prep first tlv */ 650 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 651 sizeof(*req)); 652 653 req->vf_qid = qidx; 654 655 /* add list termination tlv */ 656 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 657 sizeof(struct channel_list_end_tlv)); 658 659 /* output tlvs list */ 660 bnx2x_dp_tlv_list(bp, req); 661 662 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 663 664 if (rc) { 665 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 666 rc); 667 goto out; 668 } 669 670 /* PF failed the transaction */ 671 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 672 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 673 resp->hdr.status); 674 rc = -EINVAL; 675 } 676 677 out: 678 bnx2x_vfpf_finalize(bp, &req->first_tlv); 679 680 return rc; 681 } 682 683 /* request pf to add a mac for the vf */ 684 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 685 { 686 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 687 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 688 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 689 int rc = 0; 690 691 /* clear mailbox and prep first tlv */ 692 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 693 sizeof(*req)); 694 695 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 696 req->vf_qid = vf_qid; 697 req->n_mac_vlan_filters = 1; 698 699 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 700 if (set) 701 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC; 702 703 /* sample bulletin board for new mac */ 704 bnx2x_sample_bulletin(bp); 705 706 /* copy mac from device to request */ 707 memcpy(req->filters[0].mac, addr, ETH_ALEN); 708 709 /* add list termination tlv */ 710 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 711 sizeof(struct channel_list_end_tlv)); 712 713 /* output tlvs list */ 714 bnx2x_dp_tlv_list(bp, req); 715 716 /* send message to pf */ 717 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 718 if (rc) { 719 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 720 goto out; 721 } 722 723 /* failure may mean PF was configured with a new mac for us */ 724 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 725 DP(BNX2X_MSG_IOV, 726 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 727 728 /* copy mac from bulletin to device */ 729 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 730 731 /* check if bulletin board was updated */ 732 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 733 /* copy mac from device to request */ 734 memcpy(req->filters[0].mac, bp->dev->dev_addr, 735 ETH_ALEN); 736 737 /* send message to pf */ 738 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 739 bp->vf2pf_mbox_mapping); 740 } else { 741 /* no new info in bulletin */ 742 break; 743 } 744 } 745 746 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 747 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 748 rc = -EINVAL; 749 } 750 out: 751 bnx2x_vfpf_finalize(bp, &req->first_tlv); 752 753 return rc; 754 } 755 756 /* request pf to config rss table for vf queues*/ 757 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 758 struct bnx2x_config_rss_params *params) 759 { 760 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 761 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 762 int rc = 0; 763 764 /* clear mailbox and prep first tlv */ 765 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 766 sizeof(*req)); 767 768 /* add list termination tlv */ 769 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 770 sizeof(struct channel_list_end_tlv)); 771 772 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 773 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 774 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 775 req->rss_key_size = T_ETH_RSS_KEY; 776 req->rss_result_mask = params->rss_result_mask; 777 778 /* flags handled individually for backward/forward compatability */ 779 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 780 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 781 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 782 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 783 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 784 req->rss_flags |= VFPF_RSS_SET_SRCH; 785 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 786 req->rss_flags |= VFPF_RSS_IPV4; 787 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 788 req->rss_flags |= VFPF_RSS_IPV4_TCP; 789 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 790 req->rss_flags |= VFPF_RSS_IPV4_UDP; 791 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 792 req->rss_flags |= VFPF_RSS_IPV6; 793 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 794 req->rss_flags |= VFPF_RSS_IPV6_TCP; 795 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 796 req->rss_flags |= VFPF_RSS_IPV6_UDP; 797 798 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 799 800 /* output tlvs list */ 801 bnx2x_dp_tlv_list(bp, req); 802 803 /* send message to pf */ 804 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 805 if (rc) { 806 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 807 goto out; 808 } 809 810 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 811 /* Since older drivers don't support this feature (and VF has 812 * no way of knowing other than failing this), don't propagate 813 * an error in this case. 814 */ 815 DP(BNX2X_MSG_IOV, 816 "Failed to send rss message to PF over VF-PF channel [%d]\n", 817 resp->hdr.status); 818 } 819 out: 820 bnx2x_vfpf_finalize(bp, &req->first_tlv); 821 822 return rc; 823 } 824 825 int bnx2x_vfpf_set_mcast(struct net_device *dev) 826 { 827 struct bnx2x *bp = netdev_priv(dev); 828 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 829 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 830 int rc, i = 0; 831 struct netdev_hw_addr *ha; 832 833 if (bp->state != BNX2X_STATE_OPEN) { 834 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 835 return -EINVAL; 836 } 837 838 /* clear mailbox and prep first tlv */ 839 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 840 sizeof(*req)); 841 842 /* Get Rx mode requested */ 843 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 844 845 netdev_for_each_mc_addr(ha, dev) { 846 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 847 bnx2x_mc_addr(ha)); 848 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 849 i++; 850 } 851 852 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast 853 * addresses tops 854 */ 855 if (i >= PFVF_MAX_MULTICAST_PER_VF) { 856 DP(NETIF_MSG_IFUP, 857 "VF supports not more than %d multicast MAC addresses\n", 858 PFVF_MAX_MULTICAST_PER_VF); 859 return -EINVAL; 860 } 861 862 req->n_multicast = i; 863 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 864 req->vf_qid = 0; 865 866 /* add list termination tlv */ 867 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 868 sizeof(struct channel_list_end_tlv)); 869 870 /* output tlvs list */ 871 bnx2x_dp_tlv_list(bp, req); 872 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 873 if (rc) { 874 BNX2X_ERR("Sending a message failed: %d\n", rc); 875 goto out; 876 } 877 878 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 879 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 880 resp->hdr.status); 881 rc = -EINVAL; 882 } 883 out: 884 bnx2x_vfpf_finalize(bp, &req->first_tlv); 885 886 return 0; 887 } 888 889 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 890 { 891 int mode = bp->rx_mode; 892 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 893 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 894 int rc; 895 896 /* clear mailbox and prep first tlv */ 897 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 898 sizeof(*req)); 899 900 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 901 902 /* Ignore everything accept MODE_NONE */ 903 if (mode == BNX2X_RX_MODE_NONE) { 904 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 905 } else { 906 /* Current PF driver will not look at the specific flags, 907 * but they are required when working with older drivers on hv. 908 */ 909 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 910 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 911 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 912 } 913 914 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 915 req->vf_qid = 0; 916 917 /* add list termination tlv */ 918 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 919 sizeof(struct channel_list_end_tlv)); 920 921 /* output tlvs list */ 922 bnx2x_dp_tlv_list(bp, req); 923 924 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 925 if (rc) 926 BNX2X_ERR("Sending a message failed: %d\n", rc); 927 928 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 929 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 930 rc = -EINVAL; 931 } 932 933 bnx2x_vfpf_finalize(bp, &req->first_tlv); 934 935 return rc; 936 } 937 938 /* General service functions */ 939 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 940 { 941 u32 addr = BAR_CSTRORM_INTMEM + 942 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 943 944 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 945 } 946 947 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 948 { 949 u32 addr = BAR_CSTRORM_INTMEM + 950 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 951 952 REG_WR8(bp, addr, 1); 953 } 954 955 static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp) 956 { 957 int i; 958 959 for_each_vf(bp, i) 960 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid)); 961 } 962 963 /* enable vf_pf mailbox (aka vf-pf-channel) */ 964 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 965 { 966 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 967 968 /* enable the mailbox in the FW */ 969 storm_memset_vf_mbx_ack(bp, abs_vfid); 970 storm_memset_vf_mbx_valid(bp, abs_vfid); 971 972 /* enable the VF access to the mailbox */ 973 bnx2x_vf_enable_access(bp, abs_vfid); 974 } 975 976 /* this works only on !E1h */ 977 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 978 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 979 u32 vf_addr_lo, u32 len32) 980 { 981 struct dmae_command dmae; 982 983 if (CHIP_IS_E1x(bp)) { 984 BNX2X_ERR("Chip revision does not support VFs\n"); 985 return DMAE_NOT_RDY; 986 } 987 988 if (!bp->dmae_ready) { 989 BNX2X_ERR("DMAE is not ready, can not copy\n"); 990 return DMAE_NOT_RDY; 991 } 992 993 /* set opcode and fixed command fields */ 994 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 995 996 if (from_vf) { 997 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 998 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 999 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1000 1001 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1002 1003 dmae.src_addr_lo = vf_addr_lo; 1004 dmae.src_addr_hi = vf_addr_hi; 1005 dmae.dst_addr_lo = U64_LO(pf_addr); 1006 dmae.dst_addr_hi = U64_HI(pf_addr); 1007 } else { 1008 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1009 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1010 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1011 1012 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1013 1014 dmae.src_addr_lo = U64_LO(pf_addr); 1015 dmae.src_addr_hi = U64_HI(pf_addr); 1016 dmae.dst_addr_lo = vf_addr_lo; 1017 dmae.dst_addr_hi = vf_addr_hi; 1018 } 1019 dmae.len = len32; 1020 1021 /* issue the command and wait for completion */ 1022 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1023 } 1024 1025 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1026 struct bnx2x_virtf *vf) 1027 { 1028 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1029 u16 length, type; 1030 1031 /* prepare response */ 1032 type = mbx->first_tlv.tl.type; 1033 length = type == CHANNEL_TLV_ACQUIRE ? 1034 sizeof(struct pfvf_acquire_resp_tlv) : 1035 sizeof(struct pfvf_general_resp_tlv); 1036 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1037 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1038 sizeof(struct channel_list_end_tlv)); 1039 } 1040 1041 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1042 struct bnx2x_virtf *vf, 1043 int vf_rc) 1044 { 1045 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1046 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1047 dma_addr_t pf_addr; 1048 u64 vf_addr; 1049 int rc; 1050 1051 bnx2x_dp_tlv_list(bp, resp); 1052 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1053 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1054 1055 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1056 1057 /* send response */ 1058 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1059 mbx->first_tlv.resp_msg_offset; 1060 pf_addr = mbx->msg_mapping + 1061 offsetof(struct bnx2x_vf_mbx_msg, resp); 1062 1063 /* Copy the response buffer. The first u64 is written afterwards, as 1064 * the vf is sensitive to the header being written 1065 */ 1066 vf_addr += sizeof(u64); 1067 pf_addr += sizeof(u64); 1068 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1069 U64_HI(vf_addr), 1070 U64_LO(vf_addr), 1071 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1072 if (rc) { 1073 BNX2X_ERR("Failed to copy response body to VF %d\n", 1074 vf->abs_vfid); 1075 goto mbx_error; 1076 } 1077 vf_addr -= sizeof(u64); 1078 pf_addr -= sizeof(u64); 1079 1080 /* ack the FW */ 1081 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1082 mmiowb(); 1083 1084 /* copy the response header including status-done field, 1085 * must be last dmae, must be after FW is acked 1086 */ 1087 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1088 U64_HI(vf_addr), 1089 U64_LO(vf_addr), 1090 sizeof(u64)/4); 1091 1092 /* unlock channel mutex */ 1093 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1094 1095 if (rc) { 1096 BNX2X_ERR("Failed to copy response status to VF %d\n", 1097 vf->abs_vfid); 1098 goto mbx_error; 1099 } 1100 return; 1101 1102 mbx_error: 1103 bnx2x_vf_release(bp, vf); 1104 } 1105 1106 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1107 struct bnx2x_virtf *vf, 1108 int rc) 1109 { 1110 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1111 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); 1112 } 1113 1114 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1115 struct bnx2x_virtf *vf, 1116 void *buffer, 1117 u16 *offset) 1118 { 1119 struct vfpf_port_phys_id_resp_tlv *port_id; 1120 1121 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1122 return; 1123 1124 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1125 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1126 1127 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1128 (((u8 *)buffer) + *offset); 1129 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1130 1131 /* Offset should continue representing the offset to the tail 1132 * of TLV data (outside this function scope) 1133 */ 1134 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1135 } 1136 1137 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1138 struct bnx2x_vf_mbx *mbx, int vfop_status) 1139 { 1140 int i; 1141 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1142 struct pf_vf_resc *resc = &resp->resc; 1143 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1144 u16 length; 1145 1146 memset(resp, 0, sizeof(*resp)); 1147 1148 /* fill in pfdev info */ 1149 resp->pfdev_info.chip_num = bp->common.chip_id; 1150 resp->pfdev_info.db_size = bp->db_size; 1151 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1152 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1153 PFVF_CAP_TPA | 1154 PFVF_CAP_TPA_UPDATE); 1155 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1156 sizeof(resp->pfdev_info.fw_ver)); 1157 1158 if (status == PFVF_STATUS_NO_RESOURCE || 1159 status == PFVF_STATUS_SUCCESS) { 1160 /* set resources numbers, if status equals NO_RESOURCE these 1161 * are max possible numbers 1162 */ 1163 resc->num_rxqs = vf_rxq_count(vf) ? : 1164 bnx2x_vf_max_queue_cnt(bp, vf); 1165 resc->num_txqs = vf_txq_count(vf) ? : 1166 bnx2x_vf_max_queue_cnt(bp, vf); 1167 resc->num_sbs = vf_sb_count(vf); 1168 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1169 resc->num_vlan_filters = vf_vlan_rules_visible_cnt(vf); 1170 resc->num_mc_filters = 0; 1171 1172 if (status == PFVF_STATUS_SUCCESS) { 1173 /* fill in the allocated resources */ 1174 struct pf_vf_bulletin_content *bulletin = 1175 BP_VF_BULLETIN(bp, vf->index); 1176 1177 for_each_vfq(vf, i) 1178 resc->hw_qid[i] = 1179 vfq_qzone_id(vf, vfq_get(vf, i)); 1180 1181 for_each_vf_sb(vf, i) { 1182 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1183 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1184 } 1185 1186 /* if a mac has been set for this vf, supply it */ 1187 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1188 memcpy(resc->current_mac_addr, bulletin->mac, 1189 ETH_ALEN); 1190 } 1191 } 1192 } 1193 1194 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" 1195 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1196 vf->abs_vfid, 1197 resp->pfdev_info.chip_num, 1198 resp->pfdev_info.db_size, 1199 resp->pfdev_info.indices_per_sb, 1200 resp->pfdev_info.pf_cap, 1201 resc->num_rxqs, 1202 resc->num_txqs, 1203 resc->num_sbs, 1204 resc->num_mac_filters, 1205 resc->num_vlan_filters, 1206 resc->num_mc_filters, 1207 resp->pfdev_info.fw_ver); 1208 1209 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1210 for (i = 0; i < vf_rxq_count(vf); i++) 1211 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1212 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1213 for (i = 0; i < vf_sb_count(vf); i++) 1214 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1215 resc->hw_sbs[i].hw_sb_id, 1216 resc->hw_sbs[i].sb_qid); 1217 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1218 1219 /* prepare response */ 1220 length = sizeof(struct pfvf_acquire_resp_tlv); 1221 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1222 1223 /* Handle possible VF requests for physical port identifiers. 1224 * 'length' should continue to indicate the offset of the first empty 1225 * place in the buffer (i.e., where next TLV should be inserted) 1226 */ 1227 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1228 CHANNEL_TLV_PHYS_PORT_ID)) 1229 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1230 1231 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1232 sizeof(struct channel_list_end_tlv)); 1233 1234 /* send the response */ 1235 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); 1236 } 1237 1238 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1239 struct bnx2x_vf_mbx *mbx) 1240 { 1241 int rc; 1242 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1243 1244 /* log vfdef info */ 1245 DP(BNX2X_MSG_IOV, 1246 "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", 1247 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1248 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1249 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1250 acquire->resc_request.num_vlan_filters, 1251 acquire->resc_request.num_mc_filters); 1252 1253 /* acquire the resources */ 1254 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1255 1256 /* store address of vf's bulletin board */ 1257 vf->bulletin_map = acquire->bulletin_addr; 1258 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { 1259 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", 1260 vf->abs_vfid); 1261 vf->cfg_flags |= VF_CFG_EXT_BULLETIN; 1262 } else { 1263 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; 1264 } 1265 1266 /* response */ 1267 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1268 } 1269 1270 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1271 struct bnx2x_vf_mbx *mbx) 1272 { 1273 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1274 int rc; 1275 1276 /* record ghost addresses from vf message */ 1277 vf->spq_map = init->spq_addr; 1278 vf->fw_stat_map = init->stats_addr; 1279 vf->stats_stride = init->stats_stride; 1280 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1281 1282 /* set VF multiqueue statistics collection mode */ 1283 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1284 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1285 1286 /* Update VF's view of link state */ 1287 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) 1288 bnx2x_iov_link_update_vf(bp, vf->index); 1289 1290 /* response */ 1291 bnx2x_vf_mbx_resp(bp, vf, rc); 1292 } 1293 1294 /* convert MBX queue-flags to standard SP queue-flags */ 1295 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1296 unsigned long *sp_q_flags) 1297 { 1298 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1299 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1300 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1301 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1302 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1303 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1304 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1305 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1306 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1307 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1308 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1309 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1310 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1311 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1312 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1313 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1314 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1315 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1316 1317 /* outer vlan removal is set according to PF's multi function mode */ 1318 if (IS_MF_SD(bp)) 1319 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1320 } 1321 1322 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1323 struct bnx2x_vf_mbx *mbx) 1324 { 1325 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1326 struct bnx2x_vf_queue_construct_params qctor; 1327 int rc = 0; 1328 1329 /* verify vf_qid */ 1330 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1331 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1332 setup_q->vf_qid, vf_rxq_count(vf)); 1333 rc = -EINVAL; 1334 goto response; 1335 } 1336 1337 /* tx queues must be setup alongside rx queues thus if the rx queue 1338 * is not marked as valid there's nothing to do. 1339 */ 1340 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1341 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1342 unsigned long q_type = 0; 1343 1344 struct bnx2x_queue_init_params *init_p; 1345 struct bnx2x_queue_setup_params *setup_p; 1346 1347 if (bnx2x_vfq_is_leading(q)) 1348 bnx2x_leading_vfq_init(bp, vf, q); 1349 1350 /* re-init the VF operation context */ 1351 memset(&qctor, 0 , 1352 sizeof(struct bnx2x_vf_queue_construct_params)); 1353 setup_p = &qctor.prep_qsetup; 1354 init_p = &qctor.qstate.params.init; 1355 1356 /* activate immediately */ 1357 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1358 1359 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1360 struct bnx2x_txq_setup_params *txq_params = 1361 &setup_p->txq_params; 1362 1363 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1364 1365 /* save sb resource index */ 1366 q->sb_idx = setup_q->txq.vf_sb; 1367 1368 /* tx init */ 1369 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1370 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1371 1372 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1373 &init_p->tx.flags); 1374 1375 /* tx setup - flags */ 1376 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1377 &setup_p->flags); 1378 1379 /* tx setup - general, nothing */ 1380 1381 /* tx setup - tx */ 1382 txq_params->dscr_map = setup_q->txq.txq_addr; 1383 txq_params->sb_cq_index = setup_q->txq.sb_index; 1384 txq_params->traffic_type = setup_q->txq.traffic_type; 1385 1386 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1387 q->index, q->sb_idx); 1388 } 1389 1390 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1391 struct bnx2x_rxq_setup_params *rxq_params = 1392 &setup_p->rxq_params; 1393 1394 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1395 1396 /* Note: there is no support for different SBs 1397 * for TX and RX 1398 */ 1399 q->sb_idx = setup_q->rxq.vf_sb; 1400 1401 /* rx init */ 1402 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1403 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1404 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1405 &init_p->rx.flags); 1406 1407 /* rx setup - flags */ 1408 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1409 &setup_p->flags); 1410 1411 /* rx setup - general */ 1412 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1413 1414 /* rx setup - rx */ 1415 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1416 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1417 rxq_params->sge_map = setup_q->rxq.sge_addr; 1418 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1419 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1420 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1421 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1422 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1423 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1424 rxq_params->cache_line_log = 1425 setup_q->rxq.cache_line_log; 1426 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1427 1428 /* rx setup - multicast engine */ 1429 if (bnx2x_vfq_is_leading(q)) { 1430 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1431 1432 rxq_params->mcast_engine_id = mcast_id; 1433 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1434 } 1435 1436 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1437 q->index, q->sb_idx); 1438 } 1439 /* complete the preparations */ 1440 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); 1441 1442 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); 1443 if (rc) 1444 goto response; 1445 } 1446 response: 1447 bnx2x_vf_mbx_resp(bp, vf, rc); 1448 } 1449 1450 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1451 struct bnx2x_virtf *vf, 1452 struct vfpf_set_q_filters_tlv *tlv, 1453 struct bnx2x_vf_mac_vlan_filters **pfl, 1454 u32 type_flag) 1455 { 1456 int i, j; 1457 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1458 size_t fsz; 1459 1460 fsz = tlv->n_mac_vlan_filters * 1461 sizeof(struct bnx2x_vf_mac_vlan_filter) + 1462 sizeof(struct bnx2x_vf_mac_vlan_filters); 1463 1464 fl = kzalloc(fsz, GFP_KERNEL); 1465 if (!fl) 1466 return -ENOMEM; 1467 1468 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1469 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1470 1471 if ((msg_filter->flags & type_flag) != type_flag) 1472 continue; 1473 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) { 1474 fl->filters[j].mac = msg_filter->mac; 1475 fl->filters[j].type = BNX2X_VF_FILTER_MAC; 1476 } else { 1477 fl->filters[j].vid = msg_filter->vlan_tag; 1478 fl->filters[j].type = BNX2X_VF_FILTER_VLAN; 1479 } 1480 fl->filters[j].add = 1481 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ? 1482 true : false; 1483 fl->count++; 1484 } 1485 if (!fl->count) 1486 kfree(fl); 1487 else 1488 *pfl = fl; 1489 1490 return 0; 1491 } 1492 1493 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1494 struct vfpf_q_mac_vlan_filter *filter) 1495 { 1496 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1497 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1498 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1499 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1500 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1501 DP_CONT(msglvl, "\n"); 1502 } 1503 1504 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1505 struct vfpf_set_q_filters_tlv *filters) 1506 { 1507 int i; 1508 1509 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1510 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1511 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1512 &filters->filters[i]); 1513 1514 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1515 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1516 1517 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1518 for (i = 0; i < filters->n_multicast; i++) 1519 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1520 } 1521 1522 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1523 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1524 1525 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1526 { 1527 int rc = 0; 1528 1529 struct vfpf_set_q_filters_tlv *msg = 1530 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1531 1532 /* check for any mac/vlan changes */ 1533 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1534 /* build mac list */ 1535 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1536 1537 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1538 VFPF_MAC_FILTER); 1539 if (rc) 1540 goto op_err; 1541 1542 if (fl) { 1543 1544 /* set mac list */ 1545 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1546 msg->vf_qid, 1547 false); 1548 if (rc) 1549 goto op_err; 1550 } 1551 1552 /* build vlan list */ 1553 fl = NULL; 1554 1555 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1556 VFPF_VLAN_FILTER); 1557 if (rc) 1558 goto op_err; 1559 1560 if (fl) { 1561 /* set vlan list */ 1562 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1563 msg->vf_qid, 1564 false); 1565 if (rc) 1566 goto op_err; 1567 } 1568 } 1569 1570 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1571 unsigned long accept = 0; 1572 struct pf_vf_bulletin_content *bulletin = 1573 BP_VF_BULLETIN(bp, vf->index); 1574 1575 /* Ignore VF requested mode; instead set a regular mode */ 1576 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1577 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1578 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1579 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1580 } 1581 1582 /* A packet arriving the vf's mac should be accepted 1583 * with any vlan, unless a vlan has already been 1584 * configured. 1585 */ 1586 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID))) 1587 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1588 1589 /* set rx-mode */ 1590 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1591 if (rc) 1592 goto op_err; 1593 } 1594 1595 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1596 /* set mcasts */ 1597 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1598 msg->n_multicast, false); 1599 if (rc) 1600 goto op_err; 1601 } 1602 op_err: 1603 if (rc) 1604 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1605 vf->abs_vfid, msg->vf_qid, rc); 1606 return rc; 1607 } 1608 1609 static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1610 struct bnx2x_virtf *vf, 1611 struct vfpf_set_q_filters_tlv *filters) 1612 { 1613 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1614 int rc = 0; 1615 1616 /* if a mac was already set for this VF via the set vf mac ndo, we only 1617 * accept mac configurations of that mac. Why accept them at all? 1618 * because PF may have been unable to configure the mac at the time 1619 * since queue was not set up. 1620 */ 1621 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1622 /* once a mac was set by ndo can only accept a single mac... */ 1623 if (filters->n_mac_vlan_filters > 1) { 1624 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n", 1625 vf->abs_vfid); 1626 rc = -EPERM; 1627 goto response; 1628 } 1629 1630 /* ...and only the mac set by the ndo */ 1631 if (filters->n_mac_vlan_filters == 1 && 1632 !ether_addr_equal(filters->filters->mac, bulletin->mac)) { 1633 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1634 vf->abs_vfid); 1635 1636 rc = -EPERM; 1637 goto response; 1638 } 1639 } 1640 1641 response: 1642 return rc; 1643 } 1644 1645 static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1646 struct bnx2x_virtf *vf, 1647 struct vfpf_set_q_filters_tlv *filters) 1648 { 1649 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1650 int rc = 0; 1651 1652 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1653 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1654 int i; 1655 1656 /* search for vlan filters */ 1657 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1658 if (filters->filters[i].flags & 1659 VFPF_Q_FILTER_VLAN_TAG_VALID) { 1660 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1661 vf->abs_vfid); 1662 rc = -EPERM; 1663 goto response; 1664 } 1665 } 1666 } 1667 1668 /* verify vf_qid */ 1669 if (filters->vf_qid > vf_rxq_count(vf)) { 1670 rc = -EPERM; 1671 goto response; 1672 } 1673 1674 response: 1675 return rc; 1676 } 1677 1678 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1679 struct bnx2x_virtf *vf, 1680 struct bnx2x_vf_mbx *mbx) 1681 { 1682 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1683 int rc; 1684 1685 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1686 if (rc) 1687 goto response; 1688 1689 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1690 if (rc) 1691 goto response; 1692 1693 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1694 vf->abs_vfid, 1695 filters->vf_qid); 1696 1697 /* print q_filter message */ 1698 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1699 1700 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1701 response: 1702 bnx2x_vf_mbx_resp(bp, vf, rc); 1703 } 1704 1705 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1706 struct bnx2x_vf_mbx *mbx) 1707 { 1708 int qid = mbx->msg->req.q_op.vf_qid; 1709 int rc; 1710 1711 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1712 vf->abs_vfid, qid); 1713 1714 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1715 bnx2x_vf_mbx_resp(bp, vf, rc); 1716 } 1717 1718 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1719 struct bnx2x_vf_mbx *mbx) 1720 { 1721 int rc; 1722 1723 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1724 1725 rc = bnx2x_vf_close(bp, vf); 1726 bnx2x_vf_mbx_resp(bp, vf, rc); 1727 } 1728 1729 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1730 struct bnx2x_vf_mbx *mbx) 1731 { 1732 int rc; 1733 1734 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1735 1736 rc = bnx2x_vf_free(bp, vf); 1737 bnx2x_vf_mbx_resp(bp, vf, rc); 1738 } 1739 1740 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1741 struct bnx2x_vf_mbx *mbx) 1742 { 1743 struct bnx2x_config_rss_params rss; 1744 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1745 int rc = 0; 1746 1747 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1748 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1749 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1750 vf->index); 1751 rc = -EINVAL; 1752 goto mbx_resp; 1753 } 1754 1755 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 1756 1757 /* set vfop params according to rss tlv */ 1758 memcpy(rss.ind_table, rss_tlv->ind_table, 1759 T_ETH_INDIRECTION_TABLE_SIZE); 1760 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 1761 rss.rss_obj = &vf->rss_conf_obj; 1762 rss.rss_result_mask = rss_tlv->rss_result_mask; 1763 1764 /* flags handled individually for backward/forward compatability */ 1765 rss.rss_flags = 0; 1766 rss.ramrod_flags = 0; 1767 1768 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 1769 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 1770 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 1771 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 1772 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 1773 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 1774 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 1775 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 1776 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 1777 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 1778 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 1779 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 1780 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 1781 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 1782 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 1783 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 1784 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 1785 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 1786 1787 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 1788 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 1789 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 1790 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 1791 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 1792 rc = -EINVAL; 1793 goto mbx_resp; 1794 } 1795 1796 rc = bnx2x_vf_rss_update(bp, vf, &rss); 1797 mbx_resp: 1798 bnx2x_vf_mbx_resp(bp, vf, rc); 1799 } 1800 1801 static int bnx2x_validate_tpa_params(struct bnx2x *bp, 1802 struct vfpf_tpa_tlv *tpa_tlv) 1803 { 1804 int rc = 0; 1805 1806 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 1807 U_ETH_MAX_SGES_FOR_PACKET) { 1808 rc = -EINVAL; 1809 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 1810 tpa_tlv->tpa_client_info.max_sges_for_packet, 1811 U_ETH_MAX_SGES_FOR_PACKET); 1812 } 1813 1814 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 1815 rc = -EINVAL; 1816 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 1817 tpa_tlv->tpa_client_info.max_tpa_queues, 1818 MAX_AGG_QS(bp)); 1819 } 1820 1821 return rc; 1822 } 1823 1824 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 1825 struct bnx2x_vf_mbx *mbx) 1826 { 1827 struct bnx2x_queue_update_tpa_params vf_op_params; 1828 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 1829 int rc = 0; 1830 1831 memset(&vf_op_params, 0, sizeof(vf_op_params)); 1832 1833 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 1834 goto mbx_resp; 1835 1836 vf_op_params.complete_on_both_clients = 1837 tpa_tlv->tpa_client_info.complete_on_both_clients; 1838 vf_op_params.dont_verify_thr = 1839 tpa_tlv->tpa_client_info.dont_verify_thr; 1840 vf_op_params.max_agg_sz = 1841 tpa_tlv->tpa_client_info.max_agg_size; 1842 vf_op_params.max_sges_pkt = 1843 tpa_tlv->tpa_client_info.max_sges_for_packet; 1844 vf_op_params.max_tpa_queues = 1845 tpa_tlv->tpa_client_info.max_tpa_queues; 1846 vf_op_params.sge_buff_sz = 1847 tpa_tlv->tpa_client_info.sge_buff_size; 1848 vf_op_params.sge_pause_thr_high = 1849 tpa_tlv->tpa_client_info.sge_pause_thr_high; 1850 vf_op_params.sge_pause_thr_low = 1851 tpa_tlv->tpa_client_info.sge_pause_thr_low; 1852 vf_op_params.tpa_mode = 1853 tpa_tlv->tpa_client_info.tpa_mode; 1854 vf_op_params.update_ipv4 = 1855 tpa_tlv->tpa_client_info.update_ipv4; 1856 vf_op_params.update_ipv6 = 1857 tpa_tlv->tpa_client_info.update_ipv6; 1858 1859 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 1860 1861 mbx_resp: 1862 bnx2x_vf_mbx_resp(bp, vf, rc); 1863 } 1864 1865 /* dispatch request */ 1866 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 1867 struct bnx2x_vf_mbx *mbx) 1868 { 1869 int i; 1870 1871 /* check if tlv type is known */ 1872 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 1873 /* Lock the per vf op mutex and note the locker's identity. 1874 * The unlock will take place in mbx response. 1875 */ 1876 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1877 1878 /* switch on the opcode */ 1879 switch (mbx->first_tlv.tl.type) { 1880 case CHANNEL_TLV_ACQUIRE: 1881 bnx2x_vf_mbx_acquire(bp, vf, mbx); 1882 return; 1883 case CHANNEL_TLV_INIT: 1884 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 1885 return; 1886 case CHANNEL_TLV_SETUP_Q: 1887 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 1888 return; 1889 case CHANNEL_TLV_SET_Q_FILTERS: 1890 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 1891 return; 1892 case CHANNEL_TLV_TEARDOWN_Q: 1893 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 1894 return; 1895 case CHANNEL_TLV_CLOSE: 1896 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 1897 return; 1898 case CHANNEL_TLV_RELEASE: 1899 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 1900 return; 1901 case CHANNEL_TLV_UPDATE_RSS: 1902 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 1903 return; 1904 case CHANNEL_TLV_UPDATE_TPA: 1905 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 1906 return; 1907 } 1908 1909 } else { 1910 /* unknown TLV - this may belong to a VF driver from the future 1911 * - a version written after this PF driver was written, which 1912 * supports features unknown as of yet. Too bad since we don't 1913 * support them. Or this may be because someone wrote a crappy 1914 * VF driver and is sending garbage over the channel. 1915 */ 1916 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 1917 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 1918 vf->state); 1919 for (i = 0; i < 20; i++) 1920 DP_CONT(BNX2X_MSG_IOV, "%x ", 1921 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 1922 } 1923 1924 /* can we respond to VF (do we have an address for it?) */ 1925 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 1926 /* notify the VF that we do not support this request */ 1927 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 1928 } else { 1929 /* can't send a response since this VF is unknown to us 1930 * just ack the FW to release the mailbox and unlock 1931 * the channel. 1932 */ 1933 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1934 /* Firmware ack should be written before unlocking channel */ 1935 mmiowb(); 1936 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1937 } 1938 } 1939 1940 void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 1941 struct vf_pf_event_data *vfpf_event) 1942 { 1943 u8 vf_idx; 1944 1945 DP(BNX2X_MSG_IOV, 1946 "vf pf event received: vfid %d, address_hi %x, address lo %x", 1947 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 1948 /* Sanity checks consider removing later */ 1949 1950 /* check if the vf_id is valid */ 1951 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 1952 BNX2X_NR_VIRTFN(bp)) { 1953 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 1954 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 1955 return; 1956 } 1957 1958 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 1959 1960 /* Update VFDB with current message and schedule its handling */ 1961 mutex_lock(&BP_VFDB(bp)->event_mutex); 1962 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = vfpf_event->msg_addr_hi; 1963 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = vfpf_event->msg_addr_lo; 1964 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 1965 mutex_unlock(&BP_VFDB(bp)->event_mutex); 1966 1967 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 1968 } 1969 1970 /* handle new vf-pf messages */ 1971 void bnx2x_vf_mbx(struct bnx2x *bp) 1972 { 1973 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 1974 u64 events; 1975 u8 vf_idx; 1976 int rc; 1977 1978 if (!vfdb) 1979 return; 1980 1981 mutex_lock(&vfdb->event_mutex); 1982 events = vfdb->event_occur; 1983 vfdb->event_occur = 0; 1984 mutex_unlock(&vfdb->event_mutex); 1985 1986 for_each_vf(bp, vf_idx) { 1987 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 1988 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 1989 1990 /* Handle VFs which have pending events */ 1991 if (!(events & (1ULL << vf_idx))) 1992 continue; 1993 1994 DP(BNX2X_MSG_IOV, 1995 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 1996 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 1997 mbx->first_tlv.resp_msg_offset); 1998 1999 /* dmae to get the VF request */ 2000 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2001 vf->abs_vfid, mbx->vf_addr_hi, 2002 mbx->vf_addr_lo, 2003 sizeof(union vfpf_tlvs)/4); 2004 if (rc) { 2005 BNX2X_ERR("Failed to copy request VF %d\n", 2006 vf->abs_vfid); 2007 bnx2x_vf_release(bp, vf); 2008 return; 2009 } 2010 2011 /* process the VF message header */ 2012 mbx->first_tlv = mbx->msg->req.first_tlv; 2013 2014 /* Clean response buffer to refrain from falsely 2015 * seeing chains. 2016 */ 2017 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2018 2019 /* dispatch the request (will prepare the response) */ 2020 bnx2x_vf_mbx_request(bp, vf, mbx); 2021 } 2022 } 2023 2024 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2025 bool support_long) 2026 { 2027 /* Older VFs contain a bug where they can't check CRC for bulletin 2028 * boards of length greater than legacy size. 2029 */ 2030 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2031 BULLETIN_CONTENT_LEGACY_SIZE; 2032 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2033 } 2034 2035 /* propagate local bulletin board to vf */ 2036 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2037 { 2038 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2039 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2040 vf * BULLETIN_CONTENT_SIZE; 2041 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2042 int rc; 2043 2044 /* can only update vf after init took place */ 2045 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2046 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2047 return 0; 2048 2049 /* increment bulletin board version and compute crc */ 2050 bulletin->version++; 2051 bnx2x_vf_bulletin_finalize(bulletin, 2052 (bnx2x_vf(bp, vf, cfg_flags) & 2053 VF_CFG_EXT_BULLETIN) ? true : false); 2054 2055 /* propagate bulletin board via dmae to vm memory */ 2056 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2057 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2058 U64_LO(vf_addr), bulletin->length / 4); 2059 return rc; 2060 } 2061