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 /* place a given tlv on the tlv buffer at a given offset */ 25 void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type, 26 u16 length) 27 { 28 struct channel_tlv *tl = 29 (struct channel_tlv *)(tlvs_list + offset); 30 31 tl->type = type; 32 tl->length = length; 33 } 34 35 /* Clear the mailbox and init the header of the first tlv */ 36 void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, 37 u16 type, u16 length) 38 { 39 mutex_lock(&bp->vf2pf_mutex); 40 41 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", 42 type); 43 44 /* Clear mailbox */ 45 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); 46 47 /* init type and length */ 48 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); 49 50 /* init first tlv header */ 51 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); 52 } 53 54 /* releases the mailbox */ 55 void bnx2x_vfpf_finalize(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv) 56 { 57 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", 58 first_tlv->tl.type); 59 60 mutex_unlock(&bp->vf2pf_mutex); 61 } 62 63 /* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */ 64 static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list, 65 enum channel_tlvs req_tlv) 66 { 67 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 68 69 do { 70 if (tlv->type == req_tlv) 71 return tlv; 72 73 if (!tlv->length) { 74 BNX2X_ERR("Found TLV with length 0\n"); 75 return NULL; 76 } 77 78 tlvs_list += tlv->length; 79 tlv = (struct channel_tlv *)tlvs_list; 80 } while (tlv->type != CHANNEL_TLV_LIST_END); 81 82 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv); 83 84 return NULL; 85 } 86 87 /* list the types and lengths of the tlvs on the buffer */ 88 void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) 89 { 90 int i = 1; 91 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 92 93 while (tlv->type != CHANNEL_TLV_LIST_END) { 94 /* output tlv */ 95 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 96 tlv->type, tlv->length); 97 98 /* advance to next tlv */ 99 tlvs_list += tlv->length; 100 101 /* cast general tlv list pointer to channel tlv header*/ 102 tlv = (struct channel_tlv *)tlvs_list; 103 104 i++; 105 106 /* break condition for this loop */ 107 if (i > MAX_TLVS_IN_LIST) { 108 WARN(true, "corrupt tlvs"); 109 return; 110 } 111 } 112 113 /* output last tlv */ 114 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 115 tlv->type, tlv->length); 116 } 117 118 /* test whether we support a tlv type */ 119 bool bnx2x_tlv_supported(u16 tlvtype) 120 { 121 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 122 } 123 124 static inline int bnx2x_pfvf_status_codes(int rc) 125 { 126 switch (rc) { 127 case 0: 128 return PFVF_STATUS_SUCCESS; 129 case -ENOMEM: 130 return PFVF_STATUS_NO_RESOURCE; 131 default: 132 return PFVF_STATUS_FAILURE; 133 } 134 } 135 136 static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) 137 { 138 struct cstorm_vf_zone_data __iomem *zone_data = 139 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); 140 int tout = 100, interval = 100; /* wait for 10 seconds */ 141 142 if (*done) { 143 BNX2X_ERR("done was non zero before message to pf was sent\n"); 144 WARN_ON(true); 145 return -EINVAL; 146 } 147 148 /* if PF indicated channel is down avoid sending message. Return success 149 * so calling flow can continue 150 */ 151 bnx2x_sample_bulletin(bp); 152 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { 153 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n"); 154 *done = PFVF_STATUS_SUCCESS; 155 return -EINVAL; 156 } 157 158 /* Write message address */ 159 writel(U64_LO(msg_mapping), 160 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo); 161 writel(U64_HI(msg_mapping), 162 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi); 163 164 /* make sure the address is written before FW accesses it */ 165 wmb(); 166 167 /* Trigger the PF FW */ 168 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid); 169 170 /* Wait for PF to complete */ 171 while ((tout >= 0) && (!*done)) { 172 msleep(interval); 173 tout -= 1; 174 175 /* progress indicator - HV can take its own sweet time in 176 * answering VFs... 177 */ 178 DP_CONT(BNX2X_MSG_IOV, "."); 179 } 180 181 if (!*done) { 182 BNX2X_ERR("PF response has timed out\n"); 183 return -EAGAIN; 184 } 185 DP(BNX2X_MSG_SP, "Got a response from PF\n"); 186 return 0; 187 } 188 189 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) 190 { 191 u32 me_reg; 192 int tout = 10, interval = 100; /* Wait for 1 sec */ 193 194 do { 195 /* pxp traps vf read of doorbells and returns me reg value */ 196 me_reg = readl(bp->doorbells); 197 if (GOOD_ME_REG(me_reg)) 198 break; 199 200 msleep(interval); 201 202 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", 203 me_reg); 204 } while (tout-- > 0); 205 206 if (!GOOD_ME_REG(me_reg)) { 207 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); 208 return -EINVAL; 209 } 210 211 BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg); 212 213 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; 214 215 return 0; 216 } 217 218 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) 219 { 220 int rc = 0, attempts = 0; 221 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; 222 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; 223 struct vfpf_port_phys_id_resp_tlv *phys_port_resp; 224 u32 vf_id; 225 bool resources_acquired = false; 226 227 /* clear mailbox and prep first tlv */ 228 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 229 230 if (bnx2x_get_vf_id(bp, &vf_id)) { 231 rc = -EAGAIN; 232 goto out; 233 } 234 235 req->vfdev_info.vf_id = vf_id; 236 req->vfdev_info.vf_os = 0; 237 238 req->resc_request.num_rxqs = rx_count; 239 req->resc_request.num_txqs = tx_count; 240 req->resc_request.num_sbs = bp->igu_sb_cnt; 241 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; 242 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; 243 244 /* pf 2 vf bulletin board address */ 245 req->bulletin_addr = bp->pf2vf_bulletin_mapping; 246 247 /* Request physical port identifier */ 248 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, 249 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); 250 251 /* add list termination tlv */ 252 bnx2x_add_tlv(bp, req, 253 req->first_tlv.tl.length + sizeof(struct channel_tlv), 254 CHANNEL_TLV_LIST_END, 255 sizeof(struct channel_list_end_tlv)); 256 257 /* output tlvs list */ 258 bnx2x_dp_tlv_list(bp, req); 259 260 while (!resources_acquired) { 261 DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); 262 263 /* send acquire request */ 264 rc = bnx2x_send_msg2pf(bp, 265 &resp->hdr.status, 266 bp->vf2pf_mbox_mapping); 267 268 /* PF timeout */ 269 if (rc) 270 goto out; 271 272 /* copy acquire response from buffer to bp */ 273 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); 274 275 attempts++; 276 277 /* test whether the PF accepted our request. If not, humble 278 * the request and try again. 279 */ 280 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { 281 DP(BNX2X_MSG_SP, "resources acquired\n"); 282 resources_acquired = true; 283 } else if (bp->acquire_resp.hdr.status == 284 PFVF_STATUS_NO_RESOURCE && 285 attempts < VF_ACQUIRE_THRESH) { 286 DP(BNX2X_MSG_SP, 287 "PF unwilling to fulfill resource request. Try PF recommended amount\n"); 288 289 /* humble our request */ 290 req->resc_request.num_txqs = 291 min(req->resc_request.num_txqs, 292 bp->acquire_resp.resc.num_txqs); 293 req->resc_request.num_rxqs = 294 min(req->resc_request.num_rxqs, 295 bp->acquire_resp.resc.num_rxqs); 296 req->resc_request.num_sbs = 297 min(req->resc_request.num_sbs, 298 bp->acquire_resp.resc.num_sbs); 299 req->resc_request.num_mac_filters = 300 min(req->resc_request.num_mac_filters, 301 bp->acquire_resp.resc.num_mac_filters); 302 req->resc_request.num_vlan_filters = 303 min(req->resc_request.num_vlan_filters, 304 bp->acquire_resp.resc.num_vlan_filters); 305 req->resc_request.num_mc_filters = 306 min(req->resc_request.num_mc_filters, 307 bp->acquire_resp.resc.num_mc_filters); 308 309 /* Clear response buffer */ 310 memset(&bp->vf2pf_mbox->resp, 0, 311 sizeof(union pfvf_tlvs)); 312 } else { 313 /* PF reports error */ 314 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", 315 bp->acquire_resp.hdr.status); 316 rc = -EAGAIN; 317 goto out; 318 } 319 } 320 321 /* Retrieve physical port id (if possible) */ 322 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) 323 bnx2x_search_tlv_list(bp, resp, 324 CHANNEL_TLV_PHYS_PORT_ID); 325 if (phys_port_resp) { 326 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); 327 bp->flags |= HAS_PHYS_PORT_ID; 328 } 329 330 /* get HW info */ 331 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); 332 bp->link_params.chip_id = bp->common.chip_id; 333 bp->db_size = bp->acquire_resp.pfdev_info.db_size; 334 bp->common.int_block = INT_BLOCK_IGU; 335 bp->common.chip_port_mode = CHIP_2_PORT_MODE; 336 bp->igu_dsb_id = -1; 337 bp->mf_ov = 0; 338 bp->mf_mode = 0; 339 bp->common.flash_size = 0; 340 bp->flags |= 341 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; 342 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; 343 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; 344 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, 345 sizeof(bp->fw_ver)); 346 347 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) 348 memcpy(bp->dev->dev_addr, 349 bp->acquire_resp.resc.current_mac_addr, 350 ETH_ALEN); 351 352 out: 353 bnx2x_vfpf_finalize(bp, &req->first_tlv); 354 return rc; 355 } 356 357 int bnx2x_vfpf_release(struct bnx2x *bp) 358 { 359 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 360 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 361 u32 rc, vf_id; 362 363 /* clear mailbox and prep first tlv */ 364 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 365 366 if (bnx2x_get_vf_id(bp, &vf_id)) { 367 rc = -EAGAIN; 368 goto out; 369 } 370 371 req->vf_id = vf_id; 372 373 /* add list termination tlv */ 374 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 375 sizeof(struct channel_list_end_tlv)); 376 377 /* output tlvs list */ 378 bnx2x_dp_tlv_list(bp, req); 379 380 /* send release request */ 381 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 382 383 if (rc) 384 /* PF timeout */ 385 goto out; 386 387 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 388 /* PF released us */ 389 DP(BNX2X_MSG_SP, "vf released\n"); 390 } else { 391 /* PF reports error */ 392 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", 393 resp->hdr.status); 394 rc = -EAGAIN; 395 goto out; 396 } 397 out: 398 bnx2x_vfpf_finalize(bp, &req->first_tlv); 399 400 return rc; 401 } 402 403 /* Tell PF about SB addresses */ 404 int bnx2x_vfpf_init(struct bnx2x *bp) 405 { 406 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 407 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 408 int rc, i; 409 410 /* clear mailbox and prep first tlv */ 411 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 412 413 /* status blocks */ 414 for_each_eth_queue(bp, i) 415 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 416 status_blk_mapping); 417 418 /* statistics - requests only supports single queue for now */ 419 req->stats_addr = bp->fw_stats_data_mapping + 420 offsetof(struct bnx2x_fw_stats_data, queue_stats); 421 422 req->stats_stride = sizeof(struct per_queue_stats); 423 424 /* add list termination tlv */ 425 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 426 sizeof(struct channel_list_end_tlv)); 427 428 /* output tlvs list */ 429 bnx2x_dp_tlv_list(bp, req); 430 431 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 432 if (rc) 433 goto out; 434 435 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 436 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 437 resp->hdr.status); 438 rc = -EAGAIN; 439 goto out; 440 } 441 442 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 443 out: 444 bnx2x_vfpf_finalize(bp, &req->first_tlv); 445 446 return rc; 447 } 448 449 /* CLOSE VF - opposite to INIT_VF */ 450 void bnx2x_vfpf_close_vf(struct bnx2x *bp) 451 { 452 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 453 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 454 int i, rc; 455 u32 vf_id; 456 457 /* If we haven't got a valid VF id, there is no sense to 458 * continue with sending messages 459 */ 460 if (bnx2x_get_vf_id(bp, &vf_id)) 461 goto free_irq; 462 463 /* Close the queues */ 464 for_each_queue(bp, i) 465 bnx2x_vfpf_teardown_queue(bp, i); 466 467 /* remove mac */ 468 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 469 470 /* clear mailbox and prep first tlv */ 471 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 472 473 req->vf_id = vf_id; 474 475 /* add list termination tlv */ 476 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 477 sizeof(struct channel_list_end_tlv)); 478 479 /* output tlvs list */ 480 bnx2x_dp_tlv_list(bp, req); 481 482 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 483 484 if (rc) 485 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 486 487 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 488 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 489 resp->hdr.status); 490 491 bnx2x_vfpf_finalize(bp, &req->first_tlv); 492 493 free_irq: 494 /* Disable HW interrupts, NAPI */ 495 bnx2x_netif_stop(bp, 0); 496 /* Delete all NAPI objects */ 497 bnx2x_del_all_napi(bp); 498 499 /* Release IRQs */ 500 bnx2x_free_irq(bp); 501 } 502 503 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 504 struct bnx2x_vf_queue *q) 505 { 506 u8 cl_id = vfq_cl_id(vf, q); 507 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 508 509 /* mac */ 510 bnx2x_init_mac_obj(bp, &q->mac_obj, 511 cl_id, q->cid, func_id, 512 bnx2x_vf_sp(bp, vf, mac_rdata), 513 bnx2x_vf_sp_map(bp, vf, mac_rdata), 514 BNX2X_FILTER_MAC_PENDING, 515 &vf->filter_state, 516 BNX2X_OBJ_TYPE_RX_TX, 517 &bp->macs_pool); 518 /* vlan */ 519 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 520 cl_id, q->cid, func_id, 521 bnx2x_vf_sp(bp, vf, vlan_rdata), 522 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 523 BNX2X_FILTER_VLAN_PENDING, 524 &vf->filter_state, 525 BNX2X_OBJ_TYPE_RX_TX, 526 &bp->vlans_pool); 527 528 /* mcast */ 529 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 530 q->cid, func_id, func_id, 531 bnx2x_vf_sp(bp, vf, mcast_rdata), 532 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 533 BNX2X_FILTER_MCAST_PENDING, 534 &vf->filter_state, 535 BNX2X_OBJ_TYPE_RX_TX); 536 537 /* rss */ 538 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 539 func_id, func_id, 540 bnx2x_vf_sp(bp, vf, rss_rdata), 541 bnx2x_vf_sp_map(bp, vf, rss_rdata), 542 BNX2X_FILTER_RSS_CONF_PENDING, 543 &vf->filter_state, 544 BNX2X_OBJ_TYPE_RX_TX); 545 546 vf->leading_rss = cl_id; 547 q->is_leading = true; 548 } 549 550 /* ask the pf to open a queue for the vf */ 551 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 552 bool is_leading) 553 { 554 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 555 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 556 u8 fp_idx = fp->index; 557 u16 tpa_agg_size = 0, flags = 0; 558 int rc; 559 560 /* clear mailbox and prep first tlv */ 561 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 562 563 /* select tpa mode to request */ 564 if (!fp->disable_tpa) { 565 flags |= VFPF_QUEUE_FLG_TPA; 566 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 567 if (fp->mode == TPA_MODE_GRO) 568 flags |= VFPF_QUEUE_FLG_TPA_GRO; 569 tpa_agg_size = TPA_AGG_SIZE; 570 } 571 572 if (is_leading) 573 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 574 575 /* calculate queue flags */ 576 flags |= VFPF_QUEUE_FLG_STATS; 577 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 578 flags |= VFPF_QUEUE_FLG_VLAN; 579 DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); 580 581 /* Common */ 582 req->vf_qid = fp_idx; 583 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 584 585 /* Rx */ 586 req->rxq.rcq_addr = fp->rx_comp_mapping; 587 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 588 req->rxq.rxq_addr = fp->rx_desc_mapping; 589 req->rxq.sge_addr = fp->rx_sge_mapping; 590 req->rxq.vf_sb = fp_idx; 591 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 592 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 593 req->rxq.mtu = bp->dev->mtu; 594 req->rxq.buf_sz = fp->rx_buf_size; 595 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 596 req->rxq.tpa_agg_sz = tpa_agg_size; 597 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 598 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 599 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 600 req->rxq.flags = flags; 601 req->rxq.drop_flags = 0; 602 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 603 req->rxq.stat_id = -1; /* No stats at the moment */ 604 605 /* Tx */ 606 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 607 req->txq.vf_sb = fp_idx; 608 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 609 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 610 req->txq.flags = flags; 611 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 612 613 /* add list termination tlv */ 614 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 615 sizeof(struct channel_list_end_tlv)); 616 617 /* output tlvs list */ 618 bnx2x_dp_tlv_list(bp, req); 619 620 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 621 if (rc) 622 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 623 fp_idx); 624 625 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 626 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 627 fp_idx, resp->hdr.status); 628 rc = -EINVAL; 629 } 630 631 bnx2x_vfpf_finalize(bp, &req->first_tlv); 632 633 return rc; 634 } 635 636 int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 637 { 638 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 639 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 640 int rc; 641 642 /* clear mailbox and prep first tlv */ 643 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 644 sizeof(*req)); 645 646 req->vf_qid = qidx; 647 648 /* add list termination tlv */ 649 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 650 sizeof(struct channel_list_end_tlv)); 651 652 /* output tlvs list */ 653 bnx2x_dp_tlv_list(bp, req); 654 655 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 656 657 if (rc) { 658 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 659 rc); 660 goto out; 661 } 662 663 /* PF failed the transaction */ 664 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 665 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 666 resp->hdr.status); 667 rc = -EINVAL; 668 } 669 670 out: 671 bnx2x_vfpf_finalize(bp, &req->first_tlv); 672 return rc; 673 } 674 675 /* request pf to add a mac for the vf */ 676 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 677 { 678 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 679 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 680 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 681 int rc = 0; 682 683 /* clear mailbox and prep first tlv */ 684 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 685 sizeof(*req)); 686 687 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 688 req->vf_qid = vf_qid; 689 req->n_mac_vlan_filters = 1; 690 691 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 692 if (set) 693 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC; 694 695 /* sample bulletin board for new mac */ 696 bnx2x_sample_bulletin(bp); 697 698 /* copy mac from device to request */ 699 memcpy(req->filters[0].mac, addr, ETH_ALEN); 700 701 /* add list termination tlv */ 702 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 703 sizeof(struct channel_list_end_tlv)); 704 705 /* output tlvs list */ 706 bnx2x_dp_tlv_list(bp, req); 707 708 /* send message to pf */ 709 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 710 if (rc) { 711 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 712 goto out; 713 } 714 715 /* failure may mean PF was configured with a new mac for us */ 716 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 717 DP(BNX2X_MSG_IOV, 718 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 719 720 /* copy mac from bulletin to device */ 721 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 722 723 /* check if bulletin board was updated */ 724 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 725 /* copy mac from device to request */ 726 memcpy(req->filters[0].mac, bp->dev->dev_addr, 727 ETH_ALEN); 728 729 /* send message to pf */ 730 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 731 bp->vf2pf_mbox_mapping); 732 } else { 733 /* no new info in bulletin */ 734 break; 735 } 736 } 737 738 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 739 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 740 rc = -EINVAL; 741 } 742 out: 743 bnx2x_vfpf_finalize(bp, &req->first_tlv); 744 745 return 0; 746 } 747 748 /* request pf to config rss table for vf queues*/ 749 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 750 struct bnx2x_config_rss_params *params) 751 { 752 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 753 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 754 int rc = 0; 755 756 /* clear mailbox and prep first tlv */ 757 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 758 sizeof(*req)); 759 760 /* add list termination tlv */ 761 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 762 sizeof(struct channel_list_end_tlv)); 763 764 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 765 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 766 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 767 req->rss_key_size = T_ETH_RSS_KEY; 768 req->rss_result_mask = params->rss_result_mask; 769 770 /* flags handled individually for backward/forward compatability */ 771 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 772 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 773 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 774 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 775 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 776 req->rss_flags |= VFPF_RSS_SET_SRCH; 777 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 778 req->rss_flags |= VFPF_RSS_IPV4; 779 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 780 req->rss_flags |= VFPF_RSS_IPV4_TCP; 781 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 782 req->rss_flags |= VFPF_RSS_IPV4_UDP; 783 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 784 req->rss_flags |= VFPF_RSS_IPV6; 785 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 786 req->rss_flags |= VFPF_RSS_IPV6_TCP; 787 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 788 req->rss_flags |= VFPF_RSS_IPV6_UDP; 789 790 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 791 792 /* output tlvs list */ 793 bnx2x_dp_tlv_list(bp, req); 794 795 /* send message to pf */ 796 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 797 if (rc) { 798 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 799 goto out; 800 } 801 802 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 803 BNX2X_ERR("failed to send rss message to PF over Vf PF channel %d\n", 804 resp->hdr.status); 805 rc = -EINVAL; 806 } 807 out: 808 bnx2x_vfpf_finalize(bp, &req->first_tlv); 809 810 return 0; 811 } 812 813 int bnx2x_vfpf_set_mcast(struct net_device *dev) 814 { 815 struct bnx2x *bp = netdev_priv(dev); 816 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 817 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 818 int rc, i = 0; 819 struct netdev_hw_addr *ha; 820 821 if (bp->state != BNX2X_STATE_OPEN) { 822 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 823 return -EINVAL; 824 } 825 826 /* clear mailbox and prep first tlv */ 827 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 828 sizeof(*req)); 829 830 /* Get Rx mode requested */ 831 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 832 833 netdev_for_each_mc_addr(ha, dev) { 834 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 835 bnx2x_mc_addr(ha)); 836 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 837 i++; 838 } 839 840 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast 841 * addresses tops 842 */ 843 if (i >= PFVF_MAX_MULTICAST_PER_VF) { 844 DP(NETIF_MSG_IFUP, 845 "VF supports not more than %d multicast MAC addresses\n", 846 PFVF_MAX_MULTICAST_PER_VF); 847 return -EINVAL; 848 } 849 850 req->n_multicast = i; 851 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 852 req->vf_qid = 0; 853 854 /* add list termination tlv */ 855 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 856 sizeof(struct channel_list_end_tlv)); 857 858 /* output tlvs list */ 859 bnx2x_dp_tlv_list(bp, req); 860 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 861 if (rc) { 862 BNX2X_ERR("Sending a message failed: %d\n", rc); 863 goto out; 864 } 865 866 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 867 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 868 resp->hdr.status); 869 rc = -EINVAL; 870 } 871 out: 872 bnx2x_vfpf_finalize(bp, &req->first_tlv); 873 874 return 0; 875 } 876 877 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 878 { 879 int mode = bp->rx_mode; 880 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 881 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 882 int rc; 883 884 /* clear mailbox and prep first tlv */ 885 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 886 sizeof(*req)); 887 888 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 889 890 switch (mode) { 891 case BNX2X_RX_MODE_NONE: /* no Rx */ 892 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 893 break; 894 case BNX2X_RX_MODE_NORMAL: 895 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 896 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 897 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 898 break; 899 case BNX2X_RX_MODE_ALLMULTI: 900 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 901 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 902 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 903 break; 904 case BNX2X_RX_MODE_PROMISC: 905 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST; 906 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 907 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 908 break; 909 default: 910 BNX2X_ERR("BAD rx mode (%d)\n", mode); 911 rc = -EINVAL; 912 goto out; 913 } 914 915 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 916 req->vf_qid = 0; 917 918 /* add list termination tlv */ 919 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 920 sizeof(struct channel_list_end_tlv)); 921 922 /* output tlvs list */ 923 bnx2x_dp_tlv_list(bp, req); 924 925 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 926 if (rc) 927 BNX2X_ERR("Sending a message failed: %d\n", rc); 928 929 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 930 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 931 rc = -EINVAL; 932 } 933 out: 934 bnx2x_vfpf_finalize(bp, &req->first_tlv); 935 936 return rc; 937 } 938 939 /* General service functions */ 940 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 941 { 942 u32 addr = BAR_CSTRORM_INTMEM + 943 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 944 945 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 946 } 947 948 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 949 { 950 u32 addr = BAR_CSTRORM_INTMEM + 951 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 952 953 REG_WR8(bp, addr, 1); 954 } 955 956 static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp) 957 { 958 int i; 959 960 for_each_vf(bp, i) 961 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid)); 962 } 963 964 /* enable vf_pf mailbox (aka vf-pf-channel) */ 965 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 966 { 967 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 968 969 /* enable the mailbox in the FW */ 970 storm_memset_vf_mbx_ack(bp, abs_vfid); 971 storm_memset_vf_mbx_valid(bp, abs_vfid); 972 973 /* enable the VF access to the mailbox */ 974 bnx2x_vf_enable_access(bp, abs_vfid); 975 } 976 977 /* this works only on !E1h */ 978 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 979 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 980 u32 vf_addr_lo, u32 len32) 981 { 982 struct dmae_command dmae; 983 984 if (CHIP_IS_E1x(bp)) { 985 BNX2X_ERR("Chip revision does not support VFs\n"); 986 return DMAE_NOT_RDY; 987 } 988 989 if (!bp->dmae_ready) { 990 BNX2X_ERR("DMAE is not ready, can not copy\n"); 991 return DMAE_NOT_RDY; 992 } 993 994 /* set opcode and fixed command fields */ 995 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 996 997 if (from_vf) { 998 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 999 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1000 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1001 1002 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1003 1004 dmae.src_addr_lo = vf_addr_lo; 1005 dmae.src_addr_hi = vf_addr_hi; 1006 dmae.dst_addr_lo = U64_LO(pf_addr); 1007 dmae.dst_addr_hi = U64_HI(pf_addr); 1008 } else { 1009 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1010 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1011 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1012 1013 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1014 1015 dmae.src_addr_lo = U64_LO(pf_addr); 1016 dmae.src_addr_hi = U64_HI(pf_addr); 1017 dmae.dst_addr_lo = vf_addr_lo; 1018 dmae.dst_addr_hi = vf_addr_hi; 1019 } 1020 dmae.len = len32; 1021 1022 /* issue the command and wait for completion */ 1023 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1024 } 1025 1026 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1027 struct bnx2x_virtf *vf) 1028 { 1029 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1030 u16 length, type; 1031 1032 /* prepare response */ 1033 type = mbx->first_tlv.tl.type; 1034 length = type == CHANNEL_TLV_ACQUIRE ? 1035 sizeof(struct pfvf_acquire_resp_tlv) : 1036 sizeof(struct pfvf_general_resp_tlv); 1037 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1038 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1039 sizeof(struct channel_list_end_tlv)); 1040 } 1041 1042 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1043 struct bnx2x_virtf *vf) 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->op_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 /* initiate dmae to send the response */ 1085 mbx->flags &= ~VF_MSG_INPROCESS; 1086 1087 /* copy the response header including status-done field, 1088 * must be last dmae, must be after FW is acked 1089 */ 1090 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1091 U64_HI(vf_addr), 1092 U64_LO(vf_addr), 1093 sizeof(u64)/4); 1094 1095 /* unlock channel mutex */ 1096 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1097 1098 if (rc) { 1099 BNX2X_ERR("Failed to copy response status to VF %d\n", 1100 vf->abs_vfid); 1101 goto mbx_error; 1102 } 1103 return; 1104 1105 mbx_error: 1106 bnx2x_vf_release(bp, vf, false); /* non blocking */ 1107 } 1108 1109 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1110 struct bnx2x_virtf *vf) 1111 { 1112 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1113 bnx2x_vf_mbx_resp_send_msg(bp, vf); 1114 } 1115 1116 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1117 struct bnx2x_virtf *vf, 1118 void *buffer, 1119 u16 *offset) 1120 { 1121 struct vfpf_port_phys_id_resp_tlv *port_id; 1122 1123 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1124 return; 1125 1126 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1127 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1128 1129 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1130 (((u8 *)buffer) + *offset); 1131 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1132 1133 /* Offset should continue representing the offset to the tail 1134 * of TLV data (outside this function scope) 1135 */ 1136 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1137 } 1138 1139 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1140 struct bnx2x_vf_mbx *mbx, int vfop_status) 1141 { 1142 int i; 1143 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1144 struct pf_vf_resc *resc = &resp->resc; 1145 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1146 u16 length; 1147 1148 memset(resp, 0, sizeof(*resp)); 1149 1150 /* fill in pfdev info */ 1151 resp->pfdev_info.chip_num = bp->common.chip_id; 1152 resp->pfdev_info.db_size = bp->db_size; 1153 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1154 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1155 /* PFVF_CAP_DHC |*/ PFVF_CAP_TPA); 1156 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1157 sizeof(resp->pfdev_info.fw_ver)); 1158 1159 if (status == PFVF_STATUS_NO_RESOURCE || 1160 status == PFVF_STATUS_SUCCESS) { 1161 /* set resources numbers, if status equals NO_RESOURCE these 1162 * are max possible numbers 1163 */ 1164 resc->num_rxqs = vf_rxq_count(vf) ? : 1165 bnx2x_vf_max_queue_cnt(bp, vf); 1166 resc->num_txqs = vf_txq_count(vf) ? : 1167 bnx2x_vf_max_queue_cnt(bp, vf); 1168 resc->num_sbs = vf_sb_count(vf); 1169 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1170 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1171 resc->num_mc_filters = 0; 1172 1173 if (status == PFVF_STATUS_SUCCESS) { 1174 /* fill in the allocated resources */ 1175 struct pf_vf_bulletin_content *bulletin = 1176 BP_VF_BULLETIN(bp, vf->index); 1177 1178 for_each_vfq(vf, i) 1179 resc->hw_qid[i] = 1180 vfq_qzone_id(vf, vfq_get(vf, i)); 1181 1182 for_each_vf_sb(vf, i) { 1183 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1184 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1185 } 1186 1187 /* if a mac has been set for this vf, supply it */ 1188 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1189 memcpy(resc->current_mac_addr, bulletin->mac, 1190 ETH_ALEN); 1191 } 1192 } 1193 } 1194 1195 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" 1196 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1197 vf->abs_vfid, 1198 resp->pfdev_info.chip_num, 1199 resp->pfdev_info.db_size, 1200 resp->pfdev_info.indices_per_sb, 1201 resp->pfdev_info.pf_cap, 1202 resc->num_rxqs, 1203 resc->num_txqs, 1204 resc->num_sbs, 1205 resc->num_mac_filters, 1206 resc->num_vlan_filters, 1207 resc->num_mc_filters, 1208 resp->pfdev_info.fw_ver); 1209 1210 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1211 for (i = 0; i < vf_rxq_count(vf); i++) 1212 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1213 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1214 for (i = 0; i < vf_sb_count(vf); i++) 1215 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1216 resc->hw_sbs[i].hw_sb_id, 1217 resc->hw_sbs[i].sb_qid); 1218 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1219 1220 /* prepare response */ 1221 length = sizeof(struct pfvf_acquire_resp_tlv); 1222 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1223 1224 /* Handle possible VF requests for physical port identifiers. 1225 * 'length' should continue to indicate the offset of the first empty 1226 * place in the buffer (i.e., where next TLV should be inserted) 1227 */ 1228 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1229 CHANNEL_TLV_PHYS_PORT_ID)) 1230 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1231 1232 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1233 sizeof(struct channel_list_end_tlv)); 1234 1235 /* send the response */ 1236 vf->op_rc = vfop_status; 1237 bnx2x_vf_mbx_resp_send_msg(bp, vf); 1238 } 1239 1240 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1241 struct bnx2x_vf_mbx *mbx) 1242 { 1243 int rc; 1244 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1245 1246 /* log vfdef info */ 1247 DP(BNX2X_MSG_IOV, 1248 "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", 1249 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1250 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1251 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1252 acquire->resc_request.num_vlan_filters, 1253 acquire->resc_request.num_mc_filters); 1254 1255 /* acquire the resources */ 1256 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1257 1258 /* store address of vf's bulletin board */ 1259 vf->bulletin_map = acquire->bulletin_addr; 1260 1261 /* response */ 1262 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1263 } 1264 1265 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1266 struct bnx2x_vf_mbx *mbx) 1267 { 1268 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1269 1270 /* record ghost addresses from vf message */ 1271 vf->spq_map = init->spq_addr; 1272 vf->fw_stat_map = init->stats_addr; 1273 vf->stats_stride = init->stats_stride; 1274 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1275 1276 /* set VF multiqueue statistics collection mode */ 1277 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1278 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1279 1280 /* response */ 1281 bnx2x_vf_mbx_resp(bp, vf); 1282 } 1283 1284 /* convert MBX queue-flags to standard SP queue-flags */ 1285 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1286 unsigned long *sp_q_flags) 1287 { 1288 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1289 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1290 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1291 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1292 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1293 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1294 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1295 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1296 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1297 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1298 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1299 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1300 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1301 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1302 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1303 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1304 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1305 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1306 1307 /* outer vlan removal is set according to PF's multi function mode */ 1308 if (IS_MF_SD(bp)) 1309 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1310 } 1311 1312 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1313 struct bnx2x_vf_mbx *mbx) 1314 { 1315 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1316 struct bnx2x_vfop_cmd cmd = { 1317 .done = bnx2x_vf_mbx_resp, 1318 .block = false, 1319 }; 1320 1321 /* verify vf_qid */ 1322 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1323 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1324 setup_q->vf_qid, vf_rxq_count(vf)); 1325 vf->op_rc = -EINVAL; 1326 goto response; 1327 } 1328 1329 /* tx queues must be setup alongside rx queues thus if the rx queue 1330 * is not marked as valid there's nothing to do. 1331 */ 1332 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1333 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1334 unsigned long q_type = 0; 1335 1336 struct bnx2x_queue_init_params *init_p; 1337 struct bnx2x_queue_setup_params *setup_p; 1338 1339 if (bnx2x_vfq_is_leading(q)) 1340 bnx2x_leading_vfq_init(bp, vf, q); 1341 1342 /* re-init the VF operation context */ 1343 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor)); 1344 setup_p = &vf->op_params.qctor.prep_qsetup; 1345 init_p = &vf->op_params.qctor.qstate.params.init; 1346 1347 /* activate immediately */ 1348 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1349 1350 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1351 struct bnx2x_txq_setup_params *txq_params = 1352 &setup_p->txq_params; 1353 1354 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1355 1356 /* save sb resource index */ 1357 q->sb_idx = setup_q->txq.vf_sb; 1358 1359 /* tx init */ 1360 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1361 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1362 1363 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1364 &init_p->tx.flags); 1365 1366 /* tx setup - flags */ 1367 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1368 &setup_p->flags); 1369 1370 /* tx setup - general, nothing */ 1371 1372 /* tx setup - tx */ 1373 txq_params->dscr_map = setup_q->txq.txq_addr; 1374 txq_params->sb_cq_index = setup_q->txq.sb_index; 1375 txq_params->traffic_type = setup_q->txq.traffic_type; 1376 1377 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1378 q->index, q->sb_idx); 1379 } 1380 1381 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1382 struct bnx2x_rxq_setup_params *rxq_params = 1383 &setup_p->rxq_params; 1384 1385 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1386 1387 /* Note: there is no support for different SBs 1388 * for TX and RX 1389 */ 1390 q->sb_idx = setup_q->rxq.vf_sb; 1391 1392 /* rx init */ 1393 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1394 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1395 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1396 &init_p->rx.flags); 1397 1398 /* rx setup - flags */ 1399 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1400 &setup_p->flags); 1401 1402 /* rx setup - general */ 1403 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1404 1405 /* rx setup - rx */ 1406 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1407 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1408 rxq_params->sge_map = setup_q->rxq.sge_addr; 1409 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1410 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1411 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1412 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1413 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1414 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1415 rxq_params->cache_line_log = 1416 setup_q->rxq.cache_line_log; 1417 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1418 1419 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1420 q->index, q->sb_idx); 1421 } 1422 /* complete the preparations */ 1423 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type); 1424 1425 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index); 1426 if (vf->op_rc) 1427 goto response; 1428 return; 1429 } 1430 response: 1431 bnx2x_vf_mbx_resp(bp, vf); 1432 } 1433 1434 enum bnx2x_vfop_filters_state { 1435 BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1436 BNX2X_VFOP_MBX_Q_FILTERS_VLANS, 1437 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE, 1438 BNX2X_VFOP_MBX_Q_FILTERS_MCAST, 1439 BNX2X_VFOP_MBX_Q_FILTERS_DONE 1440 }; 1441 1442 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1443 struct bnx2x_virtf *vf, 1444 struct vfpf_set_q_filters_tlv *tlv, 1445 struct bnx2x_vfop_filters **pfl, 1446 u32 type_flag) 1447 { 1448 int i, j; 1449 struct bnx2x_vfop_filters *fl = NULL; 1450 size_t fsz; 1451 1452 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) + 1453 sizeof(struct bnx2x_vfop_filters); 1454 1455 fl = kzalloc(fsz, GFP_KERNEL); 1456 if (!fl) 1457 return -ENOMEM; 1458 1459 INIT_LIST_HEAD(&fl->head); 1460 1461 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1462 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1463 1464 if ((msg_filter->flags & type_flag) != type_flag) 1465 continue; 1466 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) { 1467 fl->filters[j].mac = msg_filter->mac; 1468 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC; 1469 } else { 1470 fl->filters[j].vid = msg_filter->vlan_tag; 1471 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN; 1472 } 1473 fl->filters[j].add = 1474 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ? 1475 true : false; 1476 list_add_tail(&fl->filters[j++].link, &fl->head); 1477 } 1478 if (list_empty(&fl->head)) 1479 kfree(fl); 1480 else 1481 *pfl = fl; 1482 1483 return 0; 1484 } 1485 1486 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1487 struct vfpf_q_mac_vlan_filter *filter) 1488 { 1489 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1490 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1491 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1492 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1493 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1494 DP_CONT(msglvl, "\n"); 1495 } 1496 1497 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1498 struct vfpf_set_q_filters_tlv *filters) 1499 { 1500 int i; 1501 1502 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1503 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1504 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1505 &filters->filters[i]); 1506 1507 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1508 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1509 1510 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1511 for (i = 0; i < filters->n_multicast; i++) 1512 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1513 } 1514 1515 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1516 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1517 1518 static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1519 { 1520 int rc; 1521 1522 struct vfpf_set_q_filters_tlv *msg = 1523 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1524 1525 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); 1526 enum bnx2x_vfop_filters_state state = vfop->state; 1527 1528 struct bnx2x_vfop_cmd cmd = { 1529 .done = bnx2x_vfop_mbx_qfilters, 1530 .block = false, 1531 }; 1532 1533 DP(BNX2X_MSG_IOV, "STATE: %d\n", state); 1534 1535 if (vfop->rc < 0) 1536 goto op_err; 1537 1538 switch (state) { 1539 case BNX2X_VFOP_MBX_Q_FILTERS_MACS: 1540 /* next state */ 1541 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS; 1542 1543 /* check for any vlan/mac changes */ 1544 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1545 /* build mac list */ 1546 struct bnx2x_vfop_filters *fl = NULL; 1547 1548 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1549 VFPF_MAC_FILTER); 1550 if (vfop->rc) 1551 goto op_err; 1552 1553 if (fl) { 1554 /* set mac list */ 1555 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl, 1556 msg->vf_qid, 1557 false); 1558 if (rc) { 1559 vfop->rc = rc; 1560 goto op_err; 1561 } 1562 return; 1563 } 1564 } 1565 /* fall through */ 1566 1567 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS: 1568 /* next state */ 1569 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE; 1570 1571 /* check for any vlan/mac changes */ 1572 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1573 /* build vlan list */ 1574 struct bnx2x_vfop_filters *fl = NULL; 1575 1576 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1577 VFPF_VLAN_FILTER); 1578 if (vfop->rc) 1579 goto op_err; 1580 1581 if (fl) { 1582 /* set vlan list */ 1583 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl, 1584 msg->vf_qid, 1585 false); 1586 if (rc) { 1587 vfop->rc = rc; 1588 goto op_err; 1589 } 1590 return; 1591 } 1592 } 1593 /* fall through */ 1594 1595 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE: 1596 /* next state */ 1597 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST; 1598 1599 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1600 unsigned long accept = 0; 1601 1602 /* covert VF-PF if mask to bnx2x accept flags */ 1603 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST) 1604 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1605 1606 if (msg->rx_mask & 1607 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST) 1608 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1609 1610 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST) 1611 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept); 1612 1613 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST) 1614 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept); 1615 1616 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST) 1617 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1618 1619 /* A packet arriving the vf's mac should be accepted 1620 * with any vlan 1621 */ 1622 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1623 1624 /* set rx-mode */ 1625 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, 1626 msg->vf_qid, accept); 1627 if (rc) { 1628 vfop->rc = rc; 1629 goto op_err; 1630 } 1631 return; 1632 } 1633 /* fall through */ 1634 1635 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST: 1636 /* next state */ 1637 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE; 1638 1639 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1640 /* set mcasts */ 1641 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast, 1642 msg->n_multicast, false); 1643 if (rc) { 1644 vfop->rc = rc; 1645 goto op_err; 1646 } 1647 return; 1648 } 1649 /* fall through */ 1650 op_done: 1651 case BNX2X_VFOP_MBX_Q_FILTERS_DONE: 1652 bnx2x_vfop_end(bp, vf, vfop); 1653 return; 1654 op_err: 1655 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1656 vf->abs_vfid, msg->vf_qid, vfop->rc); 1657 goto op_done; 1658 1659 default: 1660 bnx2x_vfop_default(state); 1661 } 1662 } 1663 1664 static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp, 1665 struct bnx2x_virtf *vf, 1666 struct bnx2x_vfop_cmd *cmd) 1667 { 1668 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); 1669 if (vfop) { 1670 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1671 bnx2x_vfop_mbx_qfilters, cmd->done); 1672 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters, 1673 cmd->block); 1674 } 1675 return -ENOMEM; 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 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1684 struct bnx2x_vfop_cmd cmd = { 1685 .done = bnx2x_vf_mbx_resp, 1686 .block = false, 1687 }; 1688 1689 /* if a mac was already set for this VF via the set vf mac ndo, we only 1690 * accept mac configurations of that mac. Why accept them at all? 1691 * because PF may have been unable to configure the mac at the time 1692 * since queue was not set up. 1693 */ 1694 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1695 /* once a mac was set by ndo can only accept a single mac... */ 1696 if (filters->n_mac_vlan_filters > 1) { 1697 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n", 1698 vf->abs_vfid); 1699 vf->op_rc = -EPERM; 1700 goto response; 1701 } 1702 1703 /* ...and only the mac set by the ndo */ 1704 if (filters->n_mac_vlan_filters == 1 && 1705 memcmp(filters->filters->mac, bulletin->mac, ETH_ALEN)) { 1706 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1707 vf->abs_vfid); 1708 1709 vf->op_rc = -EPERM; 1710 goto response; 1711 } 1712 } 1713 1714 /* verify vf_qid */ 1715 if (filters->vf_qid > vf_rxq_count(vf)) 1716 goto response; 1717 1718 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1719 vf->abs_vfid, 1720 filters->vf_qid); 1721 1722 /* print q_filter message */ 1723 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1724 1725 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd); 1726 if (vf->op_rc) 1727 goto response; 1728 return; 1729 1730 response: 1731 bnx2x_vf_mbx_resp(bp, vf); 1732 } 1733 1734 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1735 struct bnx2x_vf_mbx *mbx) 1736 { 1737 int qid = mbx->msg->req.q_op.vf_qid; 1738 struct bnx2x_vfop_cmd cmd = { 1739 .done = bnx2x_vf_mbx_resp, 1740 .block = false, 1741 }; 1742 1743 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1744 vf->abs_vfid, qid); 1745 1746 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid); 1747 if (vf->op_rc) 1748 bnx2x_vf_mbx_resp(bp, vf); 1749 } 1750 1751 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1752 struct bnx2x_vf_mbx *mbx) 1753 { 1754 struct bnx2x_vfop_cmd cmd = { 1755 .done = bnx2x_vf_mbx_resp, 1756 .block = false, 1757 }; 1758 1759 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1760 1761 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); 1762 if (vf->op_rc) 1763 bnx2x_vf_mbx_resp(bp, vf); 1764 } 1765 1766 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1767 struct bnx2x_vf_mbx *mbx) 1768 { 1769 struct bnx2x_vfop_cmd cmd = { 1770 .done = bnx2x_vf_mbx_resp, 1771 .block = false, 1772 }; 1773 1774 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1775 1776 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); 1777 if (vf->op_rc) 1778 bnx2x_vf_mbx_resp(bp, vf); 1779 } 1780 1781 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1782 struct bnx2x_vf_mbx *mbx) 1783 { 1784 struct bnx2x_vfop_cmd cmd = { 1785 .done = bnx2x_vf_mbx_resp, 1786 .block = false, 1787 }; 1788 struct bnx2x_config_rss_params *vf_op_params = &vf->op_params.rss; 1789 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1790 1791 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1792 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1793 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1794 vf->index); 1795 vf->op_rc = -EINVAL; 1796 goto mbx_resp; 1797 } 1798 1799 /* set vfop params according to rss tlv */ 1800 memcpy(vf_op_params->ind_table, rss_tlv->ind_table, 1801 T_ETH_INDIRECTION_TABLE_SIZE); 1802 memcpy(vf_op_params->rss_key, rss_tlv->rss_key, 1803 sizeof(rss_tlv->rss_key)); 1804 vf_op_params->rss_obj = &vf->rss_conf_obj; 1805 vf_op_params->rss_result_mask = rss_tlv->rss_result_mask; 1806 1807 /* flags handled individually for backward/forward compatability */ 1808 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 1809 __set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags); 1810 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 1811 __set_bit(BNX2X_RSS_MODE_REGULAR, &vf_op_params->rss_flags); 1812 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 1813 __set_bit(BNX2X_RSS_SET_SRCH, &vf_op_params->rss_flags); 1814 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 1815 __set_bit(BNX2X_RSS_IPV4, &vf_op_params->rss_flags); 1816 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 1817 __set_bit(BNX2X_RSS_IPV4_TCP, &vf_op_params->rss_flags); 1818 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 1819 __set_bit(BNX2X_RSS_IPV4_UDP, &vf_op_params->rss_flags); 1820 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 1821 __set_bit(BNX2X_RSS_IPV6, &vf_op_params->rss_flags); 1822 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 1823 __set_bit(BNX2X_RSS_IPV6_TCP, &vf_op_params->rss_flags); 1824 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 1825 __set_bit(BNX2X_RSS_IPV6_UDP, &vf_op_params->rss_flags); 1826 1827 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 1828 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 1829 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 1830 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 1831 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 1832 vf->op_rc = -EINVAL; 1833 goto mbx_resp; 1834 } 1835 1836 vf->op_rc = bnx2x_vfop_rss_cmd(bp, vf, &cmd); 1837 1838 mbx_resp: 1839 if (vf->op_rc) 1840 bnx2x_vf_mbx_resp(bp, vf); 1841 } 1842 1843 /* dispatch request */ 1844 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 1845 struct bnx2x_vf_mbx *mbx) 1846 { 1847 int i; 1848 1849 /* check if tlv type is known */ 1850 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 1851 /* Lock the per vf op mutex and note the locker's identity. 1852 * The unlock will take place in mbx response. 1853 */ 1854 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1855 1856 /* switch on the opcode */ 1857 switch (mbx->first_tlv.tl.type) { 1858 case CHANNEL_TLV_ACQUIRE: 1859 bnx2x_vf_mbx_acquire(bp, vf, mbx); 1860 return; 1861 case CHANNEL_TLV_INIT: 1862 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 1863 return; 1864 case CHANNEL_TLV_SETUP_Q: 1865 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 1866 return; 1867 case CHANNEL_TLV_SET_Q_FILTERS: 1868 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 1869 return; 1870 case CHANNEL_TLV_TEARDOWN_Q: 1871 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 1872 return; 1873 case CHANNEL_TLV_CLOSE: 1874 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 1875 return; 1876 case CHANNEL_TLV_RELEASE: 1877 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 1878 return; 1879 case CHANNEL_TLV_UPDATE_RSS: 1880 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 1881 return; 1882 } 1883 1884 } else { 1885 /* unknown TLV - this may belong to a VF driver from the future 1886 * - a version written after this PF driver was written, which 1887 * supports features unknown as of yet. Too bad since we don't 1888 * support them. Or this may be because someone wrote a crappy 1889 * VF driver and is sending garbage over the channel. 1890 */ 1891 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 1892 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 1893 vf->state); 1894 for (i = 0; i < 20; i++) 1895 DP_CONT(BNX2X_MSG_IOV, "%x ", 1896 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 1897 } 1898 1899 /* can we respond to VF (do we have an address for it?) */ 1900 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 1901 /* mbx_resp uses the op_rc of the VF */ 1902 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; 1903 1904 /* notify the VF that we do not support this request */ 1905 bnx2x_vf_mbx_resp(bp, vf); 1906 } else { 1907 /* can't send a response since this VF is unknown to us 1908 * just ack the FW to release the mailbox and unlock 1909 * the channel. 1910 */ 1911 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1912 /* Firmware ack should be written before unlocking channel */ 1913 mmiowb(); 1914 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1915 } 1916 } 1917 1918 /* handle new vf-pf message */ 1919 void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event) 1920 { 1921 struct bnx2x_virtf *vf; 1922 struct bnx2x_vf_mbx *mbx; 1923 u8 vf_idx; 1924 int rc; 1925 1926 DP(BNX2X_MSG_IOV, 1927 "vf pf event received: vfid %d, address_hi %x, address lo %x", 1928 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 1929 /* Sanity checks consider removing later */ 1930 1931 /* check if the vf_id is valid */ 1932 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 1933 BNX2X_NR_VIRTFN(bp)) { 1934 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 1935 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 1936 goto mbx_done; 1937 } 1938 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 1939 mbx = BP_VF_MBX(bp, vf_idx); 1940 1941 /* verify an event is not currently being processed - 1942 * debug failsafe only 1943 */ 1944 if (mbx->flags & VF_MSG_INPROCESS) { 1945 BNX2X_ERR("Previous message is still being processed, vf_id %d\n", 1946 vfpf_event->vf_id); 1947 goto mbx_done; 1948 } 1949 vf = BP_VF(bp, vf_idx); 1950 1951 /* save the VF message address */ 1952 mbx->vf_addr_hi = vfpf_event->msg_addr_hi; 1953 mbx->vf_addr_lo = vfpf_event->msg_addr_lo; 1954 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1955 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1956 1957 /* dmae to get the VF request */ 1958 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid, 1959 mbx->vf_addr_hi, mbx->vf_addr_lo, 1960 sizeof(union vfpf_tlvs)/4); 1961 if (rc) { 1962 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid); 1963 goto mbx_error; 1964 } 1965 1966 /* process the VF message header */ 1967 mbx->first_tlv = mbx->msg->req.first_tlv; 1968 1969 /* Clean response buffer to refrain from falsely seeing chains */ 1970 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 1971 1972 /* dispatch the request (will prepare the response) */ 1973 bnx2x_vf_mbx_request(bp, vf, mbx); 1974 goto mbx_done; 1975 1976 mbx_error: 1977 bnx2x_vf_release(bp, vf, false); /* non blocking */ 1978 mbx_done: 1979 return; 1980 } 1981 1982 /* propagate local bulletin board to vf */ 1983 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 1984 { 1985 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 1986 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 1987 vf * BULLETIN_CONTENT_SIZE; 1988 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 1989 int rc; 1990 1991 /* can only update vf after init took place */ 1992 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 1993 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 1994 return 0; 1995 1996 /* increment bulletin board version and compute crc */ 1997 bulletin->version++; 1998 bulletin->length = BULLETIN_CONTENT_SIZE; 1999 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin); 2000 2001 /* propagate bulletin board via dmae to vm memory */ 2002 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2003 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2004 U64_LO(vf_addr), bulletin->length / 4); 2005 return rc; 2006 } 2007