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