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 } 552 553 /* ask the pf to open a queue for the vf */ 554 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 555 bool is_leading) 556 { 557 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 558 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 559 u8 fp_idx = fp->index; 560 u16 tpa_agg_size = 0, flags = 0; 561 int rc; 562 563 /* clear mailbox and prep first tlv */ 564 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 565 566 /* select tpa mode to request */ 567 if (!fp->disable_tpa) { 568 flags |= VFPF_QUEUE_FLG_TPA; 569 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 570 if (fp->mode == TPA_MODE_GRO) 571 flags |= VFPF_QUEUE_FLG_TPA_GRO; 572 tpa_agg_size = TPA_AGG_SIZE; 573 } 574 575 if (is_leading) 576 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 577 578 /* calculate queue flags */ 579 flags |= VFPF_QUEUE_FLG_STATS; 580 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 581 flags |= VFPF_QUEUE_FLG_VLAN; 582 DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); 583 584 /* Common */ 585 req->vf_qid = fp_idx; 586 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 587 588 /* Rx */ 589 req->rxq.rcq_addr = fp->rx_comp_mapping; 590 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 591 req->rxq.rxq_addr = fp->rx_desc_mapping; 592 req->rxq.sge_addr = fp->rx_sge_mapping; 593 req->rxq.vf_sb = fp_idx; 594 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 595 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 596 req->rxq.mtu = bp->dev->mtu; 597 req->rxq.buf_sz = fp->rx_buf_size; 598 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 599 req->rxq.tpa_agg_sz = tpa_agg_size; 600 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 601 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 602 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 603 req->rxq.flags = flags; 604 req->rxq.drop_flags = 0; 605 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 606 req->rxq.stat_id = -1; /* No stats at the moment */ 607 608 /* Tx */ 609 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 610 req->txq.vf_sb = fp_idx; 611 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 612 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 613 req->txq.flags = flags; 614 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 615 616 /* add list termination tlv */ 617 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 618 sizeof(struct channel_list_end_tlv)); 619 620 /* output tlvs list */ 621 bnx2x_dp_tlv_list(bp, req); 622 623 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 624 if (rc) 625 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 626 fp_idx); 627 628 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 629 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 630 fp_idx, resp->hdr.status); 631 rc = -EINVAL; 632 } 633 634 bnx2x_vfpf_finalize(bp, &req->first_tlv); 635 636 return rc; 637 } 638 639 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 640 { 641 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 642 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 643 int rc; 644 645 /* clear mailbox and prep first tlv */ 646 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 647 sizeof(*req)); 648 649 req->vf_qid = qidx; 650 651 /* add list termination tlv */ 652 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 653 sizeof(struct channel_list_end_tlv)); 654 655 /* output tlvs list */ 656 bnx2x_dp_tlv_list(bp, req); 657 658 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 659 660 if (rc) { 661 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 662 rc); 663 goto out; 664 } 665 666 /* PF failed the transaction */ 667 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 668 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 669 resp->hdr.status); 670 rc = -EINVAL; 671 } 672 673 out: 674 bnx2x_vfpf_finalize(bp, &req->first_tlv); 675 return rc; 676 } 677 678 /* request pf to add a mac for the vf */ 679 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 680 { 681 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 682 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 683 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 684 int rc = 0; 685 686 /* clear mailbox and prep first tlv */ 687 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 688 sizeof(*req)); 689 690 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 691 req->vf_qid = vf_qid; 692 req->n_mac_vlan_filters = 1; 693 694 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 695 if (set) 696 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC; 697 698 /* sample bulletin board for new mac */ 699 bnx2x_sample_bulletin(bp); 700 701 /* copy mac from device to request */ 702 memcpy(req->filters[0].mac, addr, ETH_ALEN); 703 704 /* add list termination tlv */ 705 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 706 sizeof(struct channel_list_end_tlv)); 707 708 /* output tlvs list */ 709 bnx2x_dp_tlv_list(bp, req); 710 711 /* send message to pf */ 712 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 713 if (rc) { 714 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 715 goto out; 716 } 717 718 /* failure may mean PF was configured with a new mac for us */ 719 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 720 DP(BNX2X_MSG_IOV, 721 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 722 723 /* copy mac from bulletin to device */ 724 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 725 726 /* check if bulletin board was updated */ 727 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 728 /* copy mac from device to request */ 729 memcpy(req->filters[0].mac, bp->dev->dev_addr, 730 ETH_ALEN); 731 732 /* send message to pf */ 733 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 734 bp->vf2pf_mbox_mapping); 735 } else { 736 /* no new info in bulletin */ 737 break; 738 } 739 } 740 741 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 742 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 743 rc = -EINVAL; 744 } 745 out: 746 bnx2x_vfpf_finalize(bp, &req->first_tlv); 747 748 return 0; 749 } 750 751 /* request pf to config rss table for vf queues*/ 752 int bnx2x_vfpf_config_rss(struct bnx2x *bp, 753 struct bnx2x_config_rss_params *params) 754 { 755 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 756 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 757 int rc = 0; 758 759 /* clear mailbox and prep first tlv */ 760 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 761 sizeof(*req)); 762 763 /* add list termination tlv */ 764 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 765 sizeof(struct channel_list_end_tlv)); 766 767 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 768 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 769 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 770 req->rss_key_size = T_ETH_RSS_KEY; 771 req->rss_result_mask = params->rss_result_mask; 772 773 /* flags handled individually for backward/forward compatability */ 774 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 775 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 776 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 777 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 778 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 779 req->rss_flags |= VFPF_RSS_SET_SRCH; 780 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 781 req->rss_flags |= VFPF_RSS_IPV4; 782 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 783 req->rss_flags |= VFPF_RSS_IPV4_TCP; 784 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 785 req->rss_flags |= VFPF_RSS_IPV4_UDP; 786 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 787 req->rss_flags |= VFPF_RSS_IPV6; 788 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 789 req->rss_flags |= VFPF_RSS_IPV6_TCP; 790 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 791 req->rss_flags |= VFPF_RSS_IPV6_UDP; 792 793 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 794 795 /* output tlvs list */ 796 bnx2x_dp_tlv_list(bp, req); 797 798 /* send message to pf */ 799 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 800 if (rc) { 801 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 802 goto out; 803 } 804 805 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 806 /* Since older drivers don't support this feature (and VF has 807 * no way of knowing other than failing this), don't propagate 808 * an error in this case. 809 */ 810 DP(BNX2X_MSG_IOV, 811 "Failed to send rss message to PF over VF-PF channel [%d]\n", 812 resp->hdr.status); 813 } 814 out: 815 bnx2x_vfpf_finalize(bp, &req->first_tlv); 816 817 return rc; 818 } 819 820 int bnx2x_vfpf_set_mcast(struct net_device *dev) 821 { 822 struct bnx2x *bp = netdev_priv(dev); 823 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 824 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 825 int rc, i = 0; 826 struct netdev_hw_addr *ha; 827 828 if (bp->state != BNX2X_STATE_OPEN) { 829 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 830 return -EINVAL; 831 } 832 833 /* clear mailbox and prep first tlv */ 834 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 835 sizeof(*req)); 836 837 /* Get Rx mode requested */ 838 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 839 840 netdev_for_each_mc_addr(ha, dev) { 841 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 842 bnx2x_mc_addr(ha)); 843 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 844 i++; 845 } 846 847 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast 848 * addresses tops 849 */ 850 if (i >= PFVF_MAX_MULTICAST_PER_VF) { 851 DP(NETIF_MSG_IFUP, 852 "VF supports not more than %d multicast MAC addresses\n", 853 PFVF_MAX_MULTICAST_PER_VF); 854 return -EINVAL; 855 } 856 857 req->n_multicast = i; 858 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 859 req->vf_qid = 0; 860 861 /* add list termination tlv */ 862 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 863 sizeof(struct channel_list_end_tlv)); 864 865 /* output tlvs list */ 866 bnx2x_dp_tlv_list(bp, req); 867 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 868 if (rc) { 869 BNX2X_ERR("Sending a message failed: %d\n", rc); 870 goto out; 871 } 872 873 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 874 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 875 resp->hdr.status); 876 rc = -EINVAL; 877 } 878 out: 879 bnx2x_vfpf_finalize(bp, &req->first_tlv); 880 881 return 0; 882 } 883 884 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 885 { 886 int mode = bp->rx_mode; 887 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 888 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 889 int rc; 890 891 /* clear mailbox and prep first tlv */ 892 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 893 sizeof(*req)); 894 895 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 896 897 switch (mode) { 898 case BNX2X_RX_MODE_NONE: /* no Rx */ 899 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 900 break; 901 case BNX2X_RX_MODE_NORMAL: 902 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 903 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 904 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 905 break; 906 case BNX2X_RX_MODE_ALLMULTI: 907 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 908 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 909 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 910 break; 911 case BNX2X_RX_MODE_PROMISC: 912 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST; 913 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 914 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 915 break; 916 default: 917 BNX2X_ERR("BAD rx mode (%d)\n", mode); 918 rc = -EINVAL; 919 goto out; 920 } 921 922 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 923 req->vf_qid = 0; 924 925 /* add list termination tlv */ 926 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 927 sizeof(struct channel_list_end_tlv)); 928 929 /* output tlvs list */ 930 bnx2x_dp_tlv_list(bp, req); 931 932 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 933 if (rc) 934 BNX2X_ERR("Sending a message failed: %d\n", rc); 935 936 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 937 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 938 rc = -EINVAL; 939 } 940 out: 941 bnx2x_vfpf_finalize(bp, &req->first_tlv); 942 943 return rc; 944 } 945 946 /* General service functions */ 947 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 948 { 949 u32 addr = BAR_CSTRORM_INTMEM + 950 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 951 952 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 953 } 954 955 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 956 { 957 u32 addr = BAR_CSTRORM_INTMEM + 958 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 959 960 REG_WR8(bp, addr, 1); 961 } 962 963 static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp) 964 { 965 int i; 966 967 for_each_vf(bp, i) 968 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid)); 969 } 970 971 /* enable vf_pf mailbox (aka vf-pf-channel) */ 972 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 973 { 974 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 975 976 /* enable the mailbox in the FW */ 977 storm_memset_vf_mbx_ack(bp, abs_vfid); 978 storm_memset_vf_mbx_valid(bp, abs_vfid); 979 980 /* enable the VF access to the mailbox */ 981 bnx2x_vf_enable_access(bp, abs_vfid); 982 } 983 984 /* this works only on !E1h */ 985 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 986 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 987 u32 vf_addr_lo, u32 len32) 988 { 989 struct dmae_command dmae; 990 991 if (CHIP_IS_E1x(bp)) { 992 BNX2X_ERR("Chip revision does not support VFs\n"); 993 return DMAE_NOT_RDY; 994 } 995 996 if (!bp->dmae_ready) { 997 BNX2X_ERR("DMAE is not ready, can not copy\n"); 998 return DMAE_NOT_RDY; 999 } 1000 1001 /* set opcode and fixed command fields */ 1002 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1003 1004 if (from_vf) { 1005 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1006 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1007 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1008 1009 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1010 1011 dmae.src_addr_lo = vf_addr_lo; 1012 dmae.src_addr_hi = vf_addr_hi; 1013 dmae.dst_addr_lo = U64_LO(pf_addr); 1014 dmae.dst_addr_hi = U64_HI(pf_addr); 1015 } else { 1016 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1017 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1018 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1019 1020 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1021 1022 dmae.src_addr_lo = U64_LO(pf_addr); 1023 dmae.src_addr_hi = U64_HI(pf_addr); 1024 dmae.dst_addr_lo = vf_addr_lo; 1025 dmae.dst_addr_hi = vf_addr_hi; 1026 } 1027 dmae.len = len32; 1028 1029 /* issue the command and wait for completion */ 1030 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1031 } 1032 1033 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1034 struct bnx2x_virtf *vf) 1035 { 1036 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1037 u16 length, type; 1038 1039 /* prepare response */ 1040 type = mbx->first_tlv.tl.type; 1041 length = type == CHANNEL_TLV_ACQUIRE ? 1042 sizeof(struct pfvf_acquire_resp_tlv) : 1043 sizeof(struct pfvf_general_resp_tlv); 1044 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1045 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1046 sizeof(struct channel_list_end_tlv)); 1047 } 1048 1049 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1050 struct bnx2x_virtf *vf) 1051 { 1052 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1053 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1054 dma_addr_t pf_addr; 1055 u64 vf_addr; 1056 int rc; 1057 1058 bnx2x_dp_tlv_list(bp, resp); 1059 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1060 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1061 1062 resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc); 1063 1064 /* send response */ 1065 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1066 mbx->first_tlv.resp_msg_offset; 1067 pf_addr = mbx->msg_mapping + 1068 offsetof(struct bnx2x_vf_mbx_msg, resp); 1069 1070 /* Copy the response buffer. The first u64 is written afterwards, as 1071 * the vf is sensitive to the header being written 1072 */ 1073 vf_addr += sizeof(u64); 1074 pf_addr += sizeof(u64); 1075 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1076 U64_HI(vf_addr), 1077 U64_LO(vf_addr), 1078 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1079 if (rc) { 1080 BNX2X_ERR("Failed to copy response body to VF %d\n", 1081 vf->abs_vfid); 1082 goto mbx_error; 1083 } 1084 vf_addr -= sizeof(u64); 1085 pf_addr -= sizeof(u64); 1086 1087 /* ack the FW */ 1088 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1089 mmiowb(); 1090 1091 /* initiate dmae to send the response */ 1092 mbx->flags &= ~VF_MSG_INPROCESS; 1093 1094 /* copy the response header including status-done field, 1095 * must be last dmae, must be after FW is acked 1096 */ 1097 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1098 U64_HI(vf_addr), 1099 U64_LO(vf_addr), 1100 sizeof(u64)/4); 1101 1102 /* unlock channel mutex */ 1103 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1104 1105 if (rc) { 1106 BNX2X_ERR("Failed to copy response status to VF %d\n", 1107 vf->abs_vfid); 1108 goto mbx_error; 1109 } 1110 return; 1111 1112 mbx_error: 1113 bnx2x_vf_release(bp, vf, false); /* non blocking */ 1114 } 1115 1116 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1117 struct bnx2x_virtf *vf) 1118 { 1119 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1120 bnx2x_vf_mbx_resp_send_msg(bp, vf); 1121 } 1122 1123 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1124 struct bnx2x_virtf *vf, 1125 void *buffer, 1126 u16 *offset) 1127 { 1128 struct vfpf_port_phys_id_resp_tlv *port_id; 1129 1130 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1131 return; 1132 1133 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1134 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1135 1136 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1137 (((u8 *)buffer) + *offset); 1138 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1139 1140 /* Offset should continue representing the offset to the tail 1141 * of TLV data (outside this function scope) 1142 */ 1143 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1144 } 1145 1146 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1147 struct bnx2x_vf_mbx *mbx, int vfop_status) 1148 { 1149 int i; 1150 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1151 struct pf_vf_resc *resc = &resp->resc; 1152 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1153 u16 length; 1154 1155 memset(resp, 0, sizeof(*resp)); 1156 1157 /* fill in pfdev info */ 1158 resp->pfdev_info.chip_num = bp->common.chip_id; 1159 resp->pfdev_info.db_size = bp->db_size; 1160 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1161 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1162 /* PFVF_CAP_DHC |*/ PFVF_CAP_TPA); 1163 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1164 sizeof(resp->pfdev_info.fw_ver)); 1165 1166 if (status == PFVF_STATUS_NO_RESOURCE || 1167 status == PFVF_STATUS_SUCCESS) { 1168 /* set resources numbers, if status equals NO_RESOURCE these 1169 * are max possible numbers 1170 */ 1171 resc->num_rxqs = vf_rxq_count(vf) ? : 1172 bnx2x_vf_max_queue_cnt(bp, vf); 1173 resc->num_txqs = vf_txq_count(vf) ? : 1174 bnx2x_vf_max_queue_cnt(bp, vf); 1175 resc->num_sbs = vf_sb_count(vf); 1176 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1177 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1178 resc->num_mc_filters = 0; 1179 1180 if (status == PFVF_STATUS_SUCCESS) { 1181 /* fill in the allocated resources */ 1182 struct pf_vf_bulletin_content *bulletin = 1183 BP_VF_BULLETIN(bp, vf->index); 1184 1185 for_each_vfq(vf, i) 1186 resc->hw_qid[i] = 1187 vfq_qzone_id(vf, vfq_get(vf, i)); 1188 1189 for_each_vf_sb(vf, i) { 1190 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1191 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1192 } 1193 1194 /* if a mac has been set for this vf, supply it */ 1195 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1196 memcpy(resc->current_mac_addr, bulletin->mac, 1197 ETH_ALEN); 1198 } 1199 } 1200 } 1201 1202 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" 1203 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1204 vf->abs_vfid, 1205 resp->pfdev_info.chip_num, 1206 resp->pfdev_info.db_size, 1207 resp->pfdev_info.indices_per_sb, 1208 resp->pfdev_info.pf_cap, 1209 resc->num_rxqs, 1210 resc->num_txqs, 1211 resc->num_sbs, 1212 resc->num_mac_filters, 1213 resc->num_vlan_filters, 1214 resc->num_mc_filters, 1215 resp->pfdev_info.fw_ver); 1216 1217 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1218 for (i = 0; i < vf_rxq_count(vf); i++) 1219 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1220 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1221 for (i = 0; i < vf_sb_count(vf); i++) 1222 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1223 resc->hw_sbs[i].hw_sb_id, 1224 resc->hw_sbs[i].sb_qid); 1225 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1226 1227 /* prepare response */ 1228 length = sizeof(struct pfvf_acquire_resp_tlv); 1229 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1230 1231 /* Handle possible VF requests for physical port identifiers. 1232 * 'length' should continue to indicate the offset of the first empty 1233 * place in the buffer (i.e., where next TLV should be inserted) 1234 */ 1235 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1236 CHANNEL_TLV_PHYS_PORT_ID)) 1237 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1238 1239 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1240 sizeof(struct channel_list_end_tlv)); 1241 1242 /* send the response */ 1243 vf->op_rc = vfop_status; 1244 bnx2x_vf_mbx_resp_send_msg(bp, vf); 1245 } 1246 1247 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1248 struct bnx2x_vf_mbx *mbx) 1249 { 1250 int rc; 1251 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1252 1253 /* log vfdef info */ 1254 DP(BNX2X_MSG_IOV, 1255 "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", 1256 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1257 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1258 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1259 acquire->resc_request.num_vlan_filters, 1260 acquire->resc_request.num_mc_filters); 1261 1262 /* acquire the resources */ 1263 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1264 1265 /* store address of vf's bulletin board */ 1266 vf->bulletin_map = acquire->bulletin_addr; 1267 1268 /* response */ 1269 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1270 } 1271 1272 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1273 struct bnx2x_vf_mbx *mbx) 1274 { 1275 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1276 1277 /* record ghost addresses from vf message */ 1278 vf->spq_map = init->spq_addr; 1279 vf->fw_stat_map = init->stats_addr; 1280 vf->stats_stride = init->stats_stride; 1281 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1282 1283 /* set VF multiqueue statistics collection mode */ 1284 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1285 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1286 1287 /* response */ 1288 bnx2x_vf_mbx_resp(bp, vf); 1289 } 1290 1291 /* convert MBX queue-flags to standard SP queue-flags */ 1292 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1293 unsigned long *sp_q_flags) 1294 { 1295 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1296 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1297 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1298 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1299 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1300 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1301 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1302 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1303 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1304 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1305 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1306 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1307 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1308 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1309 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1310 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1311 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1312 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1313 1314 /* outer vlan removal is set according to PF's multi function mode */ 1315 if (IS_MF_SD(bp)) 1316 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1317 } 1318 1319 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1320 struct bnx2x_vf_mbx *mbx) 1321 { 1322 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1323 struct bnx2x_vfop_cmd cmd = { 1324 .done = bnx2x_vf_mbx_resp, 1325 .block = false, 1326 }; 1327 1328 /* verify vf_qid */ 1329 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1330 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1331 setup_q->vf_qid, vf_rxq_count(vf)); 1332 vf->op_rc = -EINVAL; 1333 goto response; 1334 } 1335 1336 /* tx queues must be setup alongside rx queues thus if the rx queue 1337 * is not marked as valid there's nothing to do. 1338 */ 1339 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1340 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1341 unsigned long q_type = 0; 1342 1343 struct bnx2x_queue_init_params *init_p; 1344 struct bnx2x_queue_setup_params *setup_p; 1345 1346 if (bnx2x_vfq_is_leading(q)) 1347 bnx2x_leading_vfq_init(bp, vf, q); 1348 1349 /* re-init the VF operation context */ 1350 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor)); 1351 setup_p = &vf->op_params.qctor.prep_qsetup; 1352 init_p = &vf->op_params.qctor.qstate.params.init; 1353 1354 /* activate immediately */ 1355 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1356 1357 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1358 struct bnx2x_txq_setup_params *txq_params = 1359 &setup_p->txq_params; 1360 1361 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1362 1363 /* save sb resource index */ 1364 q->sb_idx = setup_q->txq.vf_sb; 1365 1366 /* tx init */ 1367 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1368 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1369 1370 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1371 &init_p->tx.flags); 1372 1373 /* tx setup - flags */ 1374 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1375 &setup_p->flags); 1376 1377 /* tx setup - general, nothing */ 1378 1379 /* tx setup - tx */ 1380 txq_params->dscr_map = setup_q->txq.txq_addr; 1381 txq_params->sb_cq_index = setup_q->txq.sb_index; 1382 txq_params->traffic_type = setup_q->txq.traffic_type; 1383 1384 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1385 q->index, q->sb_idx); 1386 } 1387 1388 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1389 struct bnx2x_rxq_setup_params *rxq_params = 1390 &setup_p->rxq_params; 1391 1392 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1393 1394 /* Note: there is no support for different SBs 1395 * for TX and RX 1396 */ 1397 q->sb_idx = setup_q->rxq.vf_sb; 1398 1399 /* rx init */ 1400 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1401 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1402 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1403 &init_p->rx.flags); 1404 1405 /* rx setup - flags */ 1406 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1407 &setup_p->flags); 1408 1409 /* rx setup - general */ 1410 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1411 1412 /* rx setup - rx */ 1413 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1414 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1415 rxq_params->sge_map = setup_q->rxq.sge_addr; 1416 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1417 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1418 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1419 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1420 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1421 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1422 rxq_params->cache_line_log = 1423 setup_q->rxq.cache_line_log; 1424 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1425 1426 /* rx setup - multicast engine */ 1427 if (bnx2x_vfq_is_leading(q)) { 1428 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1429 1430 rxq_params->mcast_engine_id = mcast_id; 1431 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1432 } 1433 1434 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1435 q->index, q->sb_idx); 1436 } 1437 /* complete the preparations */ 1438 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type); 1439 1440 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index); 1441 if (vf->op_rc) 1442 goto response; 1443 return; 1444 } 1445 response: 1446 bnx2x_vf_mbx_resp(bp, vf); 1447 } 1448 1449 enum bnx2x_vfop_filters_state { 1450 BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1451 BNX2X_VFOP_MBX_Q_FILTERS_VLANS, 1452 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE, 1453 BNX2X_VFOP_MBX_Q_FILTERS_MCAST, 1454 BNX2X_VFOP_MBX_Q_FILTERS_DONE 1455 }; 1456 1457 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1458 struct bnx2x_virtf *vf, 1459 struct vfpf_set_q_filters_tlv *tlv, 1460 struct bnx2x_vfop_filters **pfl, 1461 u32 type_flag) 1462 { 1463 int i, j; 1464 struct bnx2x_vfop_filters *fl = NULL; 1465 size_t fsz; 1466 1467 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) + 1468 sizeof(struct bnx2x_vfop_filters); 1469 1470 fl = kzalloc(fsz, GFP_KERNEL); 1471 if (!fl) 1472 return -ENOMEM; 1473 1474 INIT_LIST_HEAD(&fl->head); 1475 1476 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1477 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1478 1479 if ((msg_filter->flags & type_flag) != type_flag) 1480 continue; 1481 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) { 1482 fl->filters[j].mac = msg_filter->mac; 1483 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC; 1484 } else { 1485 fl->filters[j].vid = msg_filter->vlan_tag; 1486 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN; 1487 } 1488 fl->filters[j].add = 1489 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ? 1490 true : false; 1491 list_add_tail(&fl->filters[j++].link, &fl->head); 1492 } 1493 if (list_empty(&fl->head)) 1494 kfree(fl); 1495 else 1496 *pfl = fl; 1497 1498 return 0; 1499 } 1500 1501 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1502 struct vfpf_q_mac_vlan_filter *filter) 1503 { 1504 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1505 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1506 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1507 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1508 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1509 DP_CONT(msglvl, "\n"); 1510 } 1511 1512 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1513 struct vfpf_set_q_filters_tlv *filters) 1514 { 1515 int i; 1516 1517 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1518 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1519 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1520 &filters->filters[i]); 1521 1522 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1523 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1524 1525 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1526 for (i = 0; i < filters->n_multicast; i++) 1527 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1528 } 1529 1530 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1531 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1532 1533 static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1534 { 1535 int rc; 1536 1537 struct vfpf_set_q_filters_tlv *msg = 1538 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1539 1540 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); 1541 enum bnx2x_vfop_filters_state state = vfop->state; 1542 1543 struct bnx2x_vfop_cmd cmd = { 1544 .done = bnx2x_vfop_mbx_qfilters, 1545 .block = false, 1546 }; 1547 1548 DP(BNX2X_MSG_IOV, "STATE: %d\n", state); 1549 1550 if (vfop->rc < 0) 1551 goto op_err; 1552 1553 switch (state) { 1554 case BNX2X_VFOP_MBX_Q_FILTERS_MACS: 1555 /* next state */ 1556 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS; 1557 1558 /* check for any vlan/mac changes */ 1559 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1560 /* build mac list */ 1561 struct bnx2x_vfop_filters *fl = NULL; 1562 1563 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1564 VFPF_MAC_FILTER); 1565 if (vfop->rc) 1566 goto op_err; 1567 1568 if (fl) { 1569 /* set mac list */ 1570 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl, 1571 msg->vf_qid, 1572 false); 1573 if (rc) { 1574 vfop->rc = rc; 1575 goto op_err; 1576 } 1577 return; 1578 } 1579 } 1580 /* fall through */ 1581 1582 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS: 1583 /* next state */ 1584 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE; 1585 1586 /* check for any vlan/mac changes */ 1587 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1588 /* build vlan list */ 1589 struct bnx2x_vfop_filters *fl = NULL; 1590 1591 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1592 VFPF_VLAN_FILTER); 1593 if (vfop->rc) 1594 goto op_err; 1595 1596 if (fl) { 1597 /* set vlan list */ 1598 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl, 1599 msg->vf_qid, 1600 false); 1601 if (rc) { 1602 vfop->rc = rc; 1603 goto op_err; 1604 } 1605 return; 1606 } 1607 } 1608 /* fall through */ 1609 1610 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE: 1611 /* next state */ 1612 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST; 1613 1614 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1615 unsigned long accept = 0; 1616 struct pf_vf_bulletin_content *bulletin = 1617 BP_VF_BULLETIN(bp, vf->index); 1618 1619 /* covert VF-PF if mask to bnx2x accept flags */ 1620 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST) 1621 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1622 1623 if (msg->rx_mask & 1624 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST) 1625 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1626 1627 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST) 1628 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept); 1629 1630 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST) 1631 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept); 1632 1633 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST) 1634 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1635 1636 /* A packet arriving the vf's mac should be accepted 1637 * with any vlan, unless a vlan has already been 1638 * configured. 1639 */ 1640 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID))) 1641 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1642 1643 /* set rx-mode */ 1644 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, 1645 msg->vf_qid, accept); 1646 if (rc) { 1647 vfop->rc = rc; 1648 goto op_err; 1649 } 1650 return; 1651 } 1652 /* fall through */ 1653 1654 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST: 1655 /* next state */ 1656 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE; 1657 1658 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1659 /* set mcasts */ 1660 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast, 1661 msg->n_multicast, false); 1662 if (rc) { 1663 vfop->rc = rc; 1664 goto op_err; 1665 } 1666 return; 1667 } 1668 /* fall through */ 1669 op_done: 1670 case BNX2X_VFOP_MBX_Q_FILTERS_DONE: 1671 bnx2x_vfop_end(bp, vf, vfop); 1672 return; 1673 op_err: 1674 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1675 vf->abs_vfid, msg->vf_qid, vfop->rc); 1676 goto op_done; 1677 1678 default: 1679 bnx2x_vfop_default(state); 1680 } 1681 } 1682 1683 static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp, 1684 struct bnx2x_virtf *vf, 1685 struct bnx2x_vfop_cmd *cmd) 1686 { 1687 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); 1688 if (vfop) { 1689 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1690 bnx2x_vfop_mbx_qfilters, cmd->done); 1691 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters, 1692 cmd->block); 1693 } 1694 return -ENOMEM; 1695 } 1696 1697 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1698 struct bnx2x_virtf *vf, 1699 struct bnx2x_vf_mbx *mbx) 1700 { 1701 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1702 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1703 struct bnx2x_vfop_cmd cmd = { 1704 .done = bnx2x_vf_mbx_resp, 1705 .block = false, 1706 }; 1707 1708 /* if a mac was already set for this VF via the set vf mac ndo, we only 1709 * accept mac configurations of that mac. Why accept them at all? 1710 * because PF may have been unable to configure the mac at the time 1711 * since queue was not set up. 1712 */ 1713 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1714 /* once a mac was set by ndo can only accept a single mac... */ 1715 if (filters->n_mac_vlan_filters > 1) { 1716 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n", 1717 vf->abs_vfid); 1718 vf->op_rc = -EPERM; 1719 goto response; 1720 } 1721 1722 /* ...and only the mac set by the ndo */ 1723 if (filters->n_mac_vlan_filters == 1 && 1724 !ether_addr_equal(filters->filters->mac, bulletin->mac)) { 1725 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1726 vf->abs_vfid); 1727 1728 vf->op_rc = -EPERM; 1729 goto response; 1730 } 1731 } 1732 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1733 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1734 int i; 1735 1736 /* search for vlan filters */ 1737 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1738 if (filters->filters[i].flags & 1739 VFPF_Q_FILTER_VLAN_TAG_VALID) { 1740 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1741 vf->abs_vfid); 1742 vf->op_rc = -EPERM; 1743 goto response; 1744 } 1745 } 1746 } 1747 1748 /* verify vf_qid */ 1749 if (filters->vf_qid > vf_rxq_count(vf)) 1750 goto response; 1751 1752 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1753 vf->abs_vfid, 1754 filters->vf_qid); 1755 1756 /* print q_filter message */ 1757 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1758 1759 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd); 1760 if (vf->op_rc) 1761 goto response; 1762 return; 1763 1764 response: 1765 bnx2x_vf_mbx_resp(bp, vf); 1766 } 1767 1768 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1769 struct bnx2x_vf_mbx *mbx) 1770 { 1771 int qid = mbx->msg->req.q_op.vf_qid; 1772 struct bnx2x_vfop_cmd cmd = { 1773 .done = bnx2x_vf_mbx_resp, 1774 .block = false, 1775 }; 1776 1777 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1778 vf->abs_vfid, qid); 1779 1780 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid); 1781 if (vf->op_rc) 1782 bnx2x_vf_mbx_resp(bp, vf); 1783 } 1784 1785 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1786 struct bnx2x_vf_mbx *mbx) 1787 { 1788 struct bnx2x_vfop_cmd cmd = { 1789 .done = bnx2x_vf_mbx_resp, 1790 .block = false, 1791 }; 1792 1793 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1794 1795 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); 1796 if (vf->op_rc) 1797 bnx2x_vf_mbx_resp(bp, vf); 1798 } 1799 1800 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1801 struct bnx2x_vf_mbx *mbx) 1802 { 1803 struct bnx2x_vfop_cmd cmd = { 1804 .done = bnx2x_vf_mbx_resp, 1805 .block = false, 1806 }; 1807 1808 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1809 1810 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); 1811 if (vf->op_rc) 1812 bnx2x_vf_mbx_resp(bp, vf); 1813 } 1814 1815 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1816 struct bnx2x_vf_mbx *mbx) 1817 { 1818 struct bnx2x_vfop_cmd cmd = { 1819 .done = bnx2x_vf_mbx_resp, 1820 .block = false, 1821 }; 1822 struct bnx2x_config_rss_params *vf_op_params = &vf->op_params.rss; 1823 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1824 1825 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1826 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1827 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1828 vf->index); 1829 vf->op_rc = -EINVAL; 1830 goto mbx_resp; 1831 } 1832 1833 /* set vfop params according to rss tlv */ 1834 memcpy(vf_op_params->ind_table, rss_tlv->ind_table, 1835 T_ETH_INDIRECTION_TABLE_SIZE); 1836 memcpy(vf_op_params->rss_key, rss_tlv->rss_key, 1837 sizeof(rss_tlv->rss_key)); 1838 vf_op_params->rss_obj = &vf->rss_conf_obj; 1839 vf_op_params->rss_result_mask = rss_tlv->rss_result_mask; 1840 1841 /* flags handled individually for backward/forward compatability */ 1842 vf_op_params->rss_flags = 0; 1843 vf_op_params->ramrod_flags = 0; 1844 1845 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 1846 __set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags); 1847 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 1848 __set_bit(BNX2X_RSS_MODE_REGULAR, &vf_op_params->rss_flags); 1849 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 1850 __set_bit(BNX2X_RSS_SET_SRCH, &vf_op_params->rss_flags); 1851 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 1852 __set_bit(BNX2X_RSS_IPV4, &vf_op_params->rss_flags); 1853 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 1854 __set_bit(BNX2X_RSS_IPV4_TCP, &vf_op_params->rss_flags); 1855 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 1856 __set_bit(BNX2X_RSS_IPV4_UDP, &vf_op_params->rss_flags); 1857 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 1858 __set_bit(BNX2X_RSS_IPV6, &vf_op_params->rss_flags); 1859 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 1860 __set_bit(BNX2X_RSS_IPV6_TCP, &vf_op_params->rss_flags); 1861 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 1862 __set_bit(BNX2X_RSS_IPV6_UDP, &vf_op_params->rss_flags); 1863 1864 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 1865 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 1866 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 1867 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 1868 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 1869 vf->op_rc = -EINVAL; 1870 goto mbx_resp; 1871 } 1872 1873 vf->op_rc = bnx2x_vfop_rss_cmd(bp, vf, &cmd); 1874 1875 mbx_resp: 1876 if (vf->op_rc) 1877 bnx2x_vf_mbx_resp(bp, vf); 1878 } 1879 1880 /* dispatch request */ 1881 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 1882 struct bnx2x_vf_mbx *mbx) 1883 { 1884 int i; 1885 1886 /* check if tlv type is known */ 1887 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 1888 /* Lock the per vf op mutex and note the locker's identity. 1889 * The unlock will take place in mbx response. 1890 */ 1891 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1892 1893 /* switch on the opcode */ 1894 switch (mbx->first_tlv.tl.type) { 1895 case CHANNEL_TLV_ACQUIRE: 1896 bnx2x_vf_mbx_acquire(bp, vf, mbx); 1897 return; 1898 case CHANNEL_TLV_INIT: 1899 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 1900 return; 1901 case CHANNEL_TLV_SETUP_Q: 1902 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 1903 return; 1904 case CHANNEL_TLV_SET_Q_FILTERS: 1905 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 1906 return; 1907 case CHANNEL_TLV_TEARDOWN_Q: 1908 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 1909 return; 1910 case CHANNEL_TLV_CLOSE: 1911 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 1912 return; 1913 case CHANNEL_TLV_RELEASE: 1914 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 1915 return; 1916 case CHANNEL_TLV_UPDATE_RSS: 1917 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 1918 return; 1919 } 1920 1921 } else { 1922 /* unknown TLV - this may belong to a VF driver from the future 1923 * - a version written after this PF driver was written, which 1924 * supports features unknown as of yet. Too bad since we don't 1925 * support them. Or this may be because someone wrote a crappy 1926 * VF driver and is sending garbage over the channel. 1927 */ 1928 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 1929 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 1930 vf->state); 1931 for (i = 0; i < 20; i++) 1932 DP_CONT(BNX2X_MSG_IOV, "%x ", 1933 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 1934 } 1935 1936 /* can we respond to VF (do we have an address for it?) */ 1937 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 1938 /* mbx_resp uses the op_rc of the VF */ 1939 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; 1940 1941 /* notify the VF that we do not support this request */ 1942 bnx2x_vf_mbx_resp(bp, vf); 1943 } else { 1944 /* can't send a response since this VF is unknown to us 1945 * just ack the FW to release the mailbox and unlock 1946 * the channel. 1947 */ 1948 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1949 /* Firmware ack should be written before unlocking channel */ 1950 mmiowb(); 1951 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1952 } 1953 } 1954 1955 /* handle new vf-pf message */ 1956 void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event) 1957 { 1958 struct bnx2x_virtf *vf; 1959 struct bnx2x_vf_mbx *mbx; 1960 u8 vf_idx; 1961 int rc; 1962 1963 DP(BNX2X_MSG_IOV, 1964 "vf pf event received: vfid %d, address_hi %x, address lo %x", 1965 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 1966 /* Sanity checks consider removing later */ 1967 1968 /* check if the vf_id is valid */ 1969 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 1970 BNX2X_NR_VIRTFN(bp)) { 1971 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 1972 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 1973 goto mbx_done; 1974 } 1975 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 1976 mbx = BP_VF_MBX(bp, vf_idx); 1977 1978 /* verify an event is not currently being processed - 1979 * debug failsafe only 1980 */ 1981 if (mbx->flags & VF_MSG_INPROCESS) { 1982 BNX2X_ERR("Previous message is still being processed, vf_id %d\n", 1983 vfpf_event->vf_id); 1984 goto mbx_done; 1985 } 1986 vf = BP_VF(bp, vf_idx); 1987 1988 /* save the VF message address */ 1989 mbx->vf_addr_hi = vfpf_event->msg_addr_hi; 1990 mbx->vf_addr_lo = vfpf_event->msg_addr_lo; 1991 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1992 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1993 1994 /* dmae to get the VF request */ 1995 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid, 1996 mbx->vf_addr_hi, mbx->vf_addr_lo, 1997 sizeof(union vfpf_tlvs)/4); 1998 if (rc) { 1999 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid); 2000 goto mbx_error; 2001 } 2002 2003 /* process the VF message header */ 2004 mbx->first_tlv = mbx->msg->req.first_tlv; 2005 2006 /* Clean response buffer to refrain from falsely seeing chains */ 2007 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2008 2009 /* dispatch the request (will prepare the response) */ 2010 bnx2x_vf_mbx_request(bp, vf, mbx); 2011 goto mbx_done; 2012 2013 mbx_error: 2014 bnx2x_vf_release(bp, vf, false); /* non blocking */ 2015 mbx_done: 2016 return; 2017 } 2018 2019 /* propagate local bulletin board to vf */ 2020 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2021 { 2022 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2023 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2024 vf * BULLETIN_CONTENT_SIZE; 2025 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2026 int rc; 2027 2028 /* can only update vf after init took place */ 2029 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2030 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2031 return 0; 2032 2033 /* increment bulletin board version and compute crc */ 2034 bulletin->version++; 2035 bulletin->length = BULLETIN_CONTENT_SIZE; 2036 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin); 2037 2038 /* propagate bulletin board via dmae to vm memory */ 2039 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2040 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2041 U64_LO(vf_addr), bulletin->length / 4); 2042 return rc; 2043 } 2044