1/* bnx2x_vfpf.c: QLogic Everest network driver. 2 * 3 * Copyright 2009-2013 Broadcom Corporation 4 * Copyright 2014 QLogic Corporation 5 * All rights reserved 6 * 7 * Unless you and QLogic execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2, available 10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). 11 * 12 * Notwithstanding the above, under no circumstances may you combine this 13 * software in any way with any other QLogic software provided under a 14 * license other than the GPL, without QLogic's express prior written 15 * consent. 16 * 17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com> 18 * Written by: Shmulik Ravid 19 * Ariel Elior <ariel.elior@qlogic.com> 20 */ 21 22#include "bnx2x.h" 23#include "bnx2x_cmn.h" 24#include <linux/crc32.h> 25 26static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx); 27 28/* place a given tlv on the tlv buffer at a given offset */ 29static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, 30 u16 offset, u16 type, u16 length) 31{ 32 struct channel_tlv *tl = 33 (struct channel_tlv *)(tlvs_list + offset); 34 35 tl->type = type; 36 tl->length = length; 37} 38 39/* Clear the mailbox and init the header of the first tlv */ 40static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, 41 u16 type, u16 length) 42{ 43 mutex_lock(&bp->vf2pf_mutex); 44 45 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", 46 type); 47 48 /* Clear mailbox */ 49 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); 50 51 /* init type and length */ 52 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); 53 54 /* init first tlv header */ 55 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); 56} 57 58/* releases the mailbox */ 59static void bnx2x_vfpf_finalize(struct bnx2x *bp, 60 struct vfpf_first_tlv *first_tlv) 61{ 62 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", 63 first_tlv->tl.type); 64 65 mutex_unlock(&bp->vf2pf_mutex); 66} 67 68/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */ 69static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list, 70 enum channel_tlvs req_tlv) 71{ 72 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 73 74 do { 75 if (tlv->type == req_tlv) 76 return tlv; 77 78 if (!tlv->length) { 79 BNX2X_ERR("Found TLV with length 0\n"); 80 return NULL; 81 } 82 83 tlvs_list += tlv->length; 84 tlv = (struct channel_tlv *)tlvs_list; 85 } while (tlv->type != CHANNEL_TLV_LIST_END); 86 87 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv); 88 89 return NULL; 90} 91 92/* list the types and lengths of the tlvs on the buffer */ 93static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) 94{ 95 int i = 1; 96 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 97 98 while (tlv->type != CHANNEL_TLV_LIST_END) { 99 /* output tlv */ 100 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 101 tlv->type, tlv->length); 102 103 /* advance to next tlv */ 104 tlvs_list += tlv->length; 105 106 /* cast general tlv list pointer to channel tlv header*/ 107 tlv = (struct channel_tlv *)tlvs_list; 108 109 i++; 110 111 /* break condition for this loop */ 112 if (i > MAX_TLVS_IN_LIST) { 113 WARN(true, "corrupt tlvs"); 114 return; 115 } 116 } 117 118 /* output last tlv */ 119 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 120 tlv->type, tlv->length); 121} 122 123/* test whether we support a tlv type */ 124bool bnx2x_tlv_supported(u16 tlvtype) 125{ 126 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 127} 128 129static inline int bnx2x_pfvf_status_codes(int rc) 130{ 131 switch (rc) { 132 case 0: 133 return PFVF_STATUS_SUCCESS; 134 case -ENOMEM: 135 return PFVF_STATUS_NO_RESOURCE; 136 default: 137 return PFVF_STATUS_FAILURE; 138 } 139} 140 141static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) 142{ 143 struct cstorm_vf_zone_data __iomem *zone_data = 144 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); 145 int tout = 100, interval = 100; /* wait for 10 seconds */ 146 147 if (*done) { 148 BNX2X_ERR("done was non zero before message to pf was sent\n"); 149 WARN_ON(true); 150 return -EINVAL; 151 } 152 153 /* if PF indicated channel is down avoid sending message. Return success 154 * so calling flow can continue 155 */ 156 bnx2x_sample_bulletin(bp); 157 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { 158 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n"); 159 *done = PFVF_STATUS_SUCCESS; 160 return -EINVAL; 161 } 162 163 /* Write message address */ 164 writel(U64_LO(msg_mapping), 165 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo); 166 writel(U64_HI(msg_mapping), 167 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi); 168 169 /* make sure the address is written before FW accesses it */ 170 wmb(); 171 172 /* Trigger the PF FW */ 173 writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid); 174 175 /* Wait for PF to complete */ 176 while ((tout >= 0) && (!*done)) { 177 msleep(interval); 178 tout -= 1; 179 180 /* progress indicator - HV can take its own sweet time in 181 * answering VFs... 182 */ 183 DP_CONT(BNX2X_MSG_IOV, "."); 184 } 185 186 if (!*done) { 187 BNX2X_ERR("PF response has timed out\n"); 188 return -EAGAIN; 189 } 190 DP(BNX2X_MSG_SP, "Got a response from PF\n"); 191 return 0; 192} 193 194static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) 195{ 196 u32 me_reg; 197 int tout = 10, interval = 100; /* Wait for 1 sec */ 198 199 do { 200 /* pxp traps vf read of doorbells and returns me reg value */ 201 me_reg = readl(bp->doorbells); 202 if (GOOD_ME_REG(me_reg)) 203 break; 204 205 msleep(interval); 206 207 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", 208 me_reg); 209 } while (tout-- > 0); 210 211 if (!GOOD_ME_REG(me_reg)) { 212 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); 213 return -EINVAL; 214 } 215 216 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); 217 218 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; 219 220 return 0; 221} 222 223int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) 224{ 225 int rc = 0, attempts = 0; 226 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; 227 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; 228 struct vfpf_port_phys_id_resp_tlv *phys_port_resp; 229 struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp; 230 u32 vf_id; 231 bool resources_acquired = false; 232 233 /* clear mailbox and prep first tlv */ 234 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 235 236 if (bnx2x_get_vf_id(bp, &vf_id)) { 237 rc = -EAGAIN; 238 goto out; 239 } 240 241 req->vfdev_info.vf_id = vf_id; 242 req->vfdev_info.vf_os = 0; 243 req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION; 244 245 req->resc_request.num_rxqs = rx_count; 246 req->resc_request.num_txqs = tx_count; 247 req->resc_request.num_sbs = bp->igu_sb_cnt; 248 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; 249 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; 250 req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS; 251 252 /* pf 2 vf bulletin board address */ 253 req->bulletin_addr = bp->pf2vf_bulletin_mapping; 254 255 /* Request physical port identifier */ 256 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, 257 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv)); 258 259 /* Bulletin support for bulletin board with length > legacy length */ 260 req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN; 261 /* vlan filtering is supported */ 262 req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER; 263 264 /* add list termination tlv */ 265 bnx2x_add_tlv(bp, req, 266 req->first_tlv.tl.length + sizeof(struct channel_tlv), 267 CHANNEL_TLV_LIST_END, 268 sizeof(struct channel_list_end_tlv)); 269 270 /* output tlvs list */ 271 bnx2x_dp_tlv_list(bp, req); 272 273 while (!resources_acquired) { 274 DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); 275 276 /* send acquire request */ 277 rc = bnx2x_send_msg2pf(bp, 278 &resp->hdr.status, 279 bp->vf2pf_mbox_mapping); 280 281 /* PF timeout */ 282 if (rc) 283 goto out; 284 285 /* copy acquire response from buffer to bp */ 286 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); 287 288 attempts++; 289 290 /* test whether the PF accepted our request. If not, humble 291 * the request and try again. 292 */ 293 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { 294 DP(BNX2X_MSG_SP, "resources acquired\n"); 295 resources_acquired = true; 296 } else if (bp->acquire_resp.hdr.status == 297 PFVF_STATUS_NO_RESOURCE && 298 attempts < VF_ACQUIRE_THRESH) { 299 DP(BNX2X_MSG_SP, 300 "PF unwilling to fulfill resource request. Try PF recommended amount\n"); 301 302 /* humble our request */ 303 req->resc_request.num_txqs = 304 min(req->resc_request.num_txqs, 305 bp->acquire_resp.resc.num_txqs); 306 req->resc_request.num_rxqs = 307 min(req->resc_request.num_rxqs, 308 bp->acquire_resp.resc.num_rxqs); 309 req->resc_request.num_sbs = 310 min(req->resc_request.num_sbs, 311 bp->acquire_resp.resc.num_sbs); 312 req->resc_request.num_mac_filters = 313 min(req->resc_request.num_mac_filters, 314 bp->acquire_resp.resc.num_mac_filters); 315 req->resc_request.num_vlan_filters = 316 min(req->resc_request.num_vlan_filters, 317 bp->acquire_resp.resc.num_vlan_filters); 318 req->resc_request.num_mc_filters = 319 min(req->resc_request.num_mc_filters, 320 bp->acquire_resp.resc.num_mc_filters); 321 322 /* Clear response buffer */ 323 memset(&bp->vf2pf_mbox->resp, 0, 324 sizeof(union pfvf_tlvs)); 325 } else { 326 /* Determine reason of PF failure of acquire process */ 327 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, 328 CHANNEL_TLV_FP_HSI_SUPPORT); 329 if (fp_hsi_resp && !fp_hsi_resp->is_supported) 330 BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n"); 331 else 332 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", 333 bp->acquire_resp.hdr.status); 334 rc = -EAGAIN; 335 goto out; 336 } 337 } 338 339 /* Retrieve physical port id (if possible) */ 340 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *) 341 bnx2x_search_tlv_list(bp, resp, 342 CHANNEL_TLV_PHYS_PORT_ID); 343 if (phys_port_resp) { 344 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN); 345 bp->flags |= HAS_PHYS_PORT_ID; 346 } 347 348 /* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV. 349 * If that's the case, we need to make certain required FW was 350 * supported by such a hypervisor [i.e., v0-v2]. 351 */ 352 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp, 353 CHANNEL_TLV_FP_HSI_SUPPORT); 354 if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) { 355 BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n"); 356 357 /* Since acquire succeeded on the PF side, we need to send a 358 * release message in order to allow future probes. 359 */ 360 bnx2x_vfpf_finalize(bp, &req->first_tlv); 361 bnx2x_vfpf_release(bp); 362 363 rc = -EINVAL; 364 goto out; 365 } 366 367 /* get HW info */ 368 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); 369 bp->link_params.chip_id = bp->common.chip_id; 370 bp->db_size = bp->acquire_resp.pfdev_info.db_size; 371 bp->common.int_block = INT_BLOCK_IGU; 372 bp->common.chip_port_mode = CHIP_2_PORT_MODE; 373 bp->igu_dsb_id = -1; 374 bp->mf_ov = 0; 375 bp->mf_mode = 0; 376 bp->common.flash_size = 0; 377 bp->flags |= 378 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; 379 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs; 380 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; 381 bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters; 382 383 strscpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, 384 sizeof(bp->fw_ver)); 385 386 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) 387 eth_hw_addr_set(bp->dev, 388 bp->acquire_resp.resc.current_mac_addr); 389 390out: 391 bnx2x_vfpf_finalize(bp, &req->first_tlv); 392 return rc; 393} 394 395int bnx2x_vfpf_release(struct bnx2x *bp) 396{ 397 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 398 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 399 u32 rc, vf_id; 400 401 /* clear mailbox and prep first tlv */ 402 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 403 404 if (bnx2x_get_vf_id(bp, &vf_id)) { 405 rc = -EAGAIN; 406 goto out; 407 } 408 409 req->vf_id = vf_id; 410 411 /* add list termination tlv */ 412 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 413 sizeof(struct channel_list_end_tlv)); 414 415 /* output tlvs list */ 416 bnx2x_dp_tlv_list(bp, req); 417 418 /* send release request */ 419 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 420 421 if (rc) 422 /* PF timeout */ 423 goto out; 424 425 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 426 /* PF released us */ 427 DP(BNX2X_MSG_SP, "vf released\n"); 428 } else { 429 /* PF reports error */ 430 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n", 431 resp->hdr.status); 432 rc = -EAGAIN; 433 goto out; 434 } 435out: 436 bnx2x_vfpf_finalize(bp, &req->first_tlv); 437 438 return rc; 439} 440 441/* Tell PF about SB addresses */ 442int bnx2x_vfpf_init(struct bnx2x *bp) 443{ 444 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 445 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 446 int rc, i; 447 448 /* clear mailbox and prep first tlv */ 449 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 450 451 /* status blocks */ 452 for_each_eth_queue(bp, i) 453 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 454 status_blk_mapping); 455 456 /* statistics - requests only supports single queue for now */ 457 req->stats_addr = bp->fw_stats_data_mapping + 458 offsetof(struct bnx2x_fw_stats_data, queue_stats); 459 460 req->stats_stride = sizeof(struct per_queue_stats); 461 462 /* add list termination tlv */ 463 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 464 sizeof(struct channel_list_end_tlv)); 465 466 /* output tlvs list */ 467 bnx2x_dp_tlv_list(bp, req); 468 469 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 470 if (rc) 471 goto out; 472 473 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 474 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 475 resp->hdr.status); 476 rc = -EAGAIN; 477 goto out; 478 } 479 480 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 481out: 482 bnx2x_vfpf_finalize(bp, &req->first_tlv); 483 484 return rc; 485} 486 487/* CLOSE VF - opposite to INIT_VF */ 488void bnx2x_vfpf_close_vf(struct bnx2x *bp) 489{ 490 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 491 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 492 int i, rc; 493 u32 vf_id; 494 495 /* If we haven't got a valid VF id, there is no sense to 496 * continue with sending messages 497 */ 498 if (bnx2x_get_vf_id(bp, &vf_id)) 499 goto free_irq; 500 501 /* Close the queues */ 502 for_each_queue(bp, i) 503 bnx2x_vfpf_teardown_queue(bp, i); 504 505 /* remove mac */ 506 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 507 508 /* clear mailbox and prep first tlv */ 509 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 510 511 req->vf_id = vf_id; 512 513 /* add list termination tlv */ 514 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 515 sizeof(struct channel_list_end_tlv)); 516 517 /* output tlvs list */ 518 bnx2x_dp_tlv_list(bp, req); 519 520 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 521 522 if (rc) 523 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 524 525 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 526 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 527 resp->hdr.status); 528 529 bnx2x_vfpf_finalize(bp, &req->first_tlv); 530 531free_irq: 532 if (!bp->nic_stopped) { 533 /* Disable HW interrupts, NAPI */ 534 bnx2x_netif_stop(bp, 0); 535 /* Delete all NAPI objects */ 536 bnx2x_del_all_napi(bp); 537 538 /* Release IRQs */ 539 bnx2x_free_irq(bp); 540 bp->nic_stopped = true; 541 } 542} 543 544static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, 545 struct bnx2x_vf_queue *q) 546{ 547 u8 cl_id = vfq_cl_id(vf, q); 548 u8 func_id = FW_VF_HANDLE(vf->abs_vfid); 549 550 /* mac */ 551 bnx2x_init_mac_obj(bp, &q->mac_obj, 552 cl_id, q->cid, func_id, 553 bnx2x_vf_sp(bp, vf, mac_rdata), 554 bnx2x_vf_sp_map(bp, vf, mac_rdata), 555 BNX2X_FILTER_MAC_PENDING, 556 &vf->filter_state, 557 BNX2X_OBJ_TYPE_RX_TX, 558 &vf->vf_macs_pool); 559 /* vlan */ 560 bnx2x_init_vlan_obj(bp, &q->vlan_obj, 561 cl_id, q->cid, func_id, 562 bnx2x_vf_sp(bp, vf, vlan_rdata), 563 bnx2x_vf_sp_map(bp, vf, vlan_rdata), 564 BNX2X_FILTER_VLAN_PENDING, 565 &vf->filter_state, 566 BNX2X_OBJ_TYPE_RX_TX, 567 &vf->vf_vlans_pool); 568 /* vlan-mac */ 569 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj, 570 cl_id, q->cid, func_id, 571 bnx2x_vf_sp(bp, vf, vlan_mac_rdata), 572 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata), 573 BNX2X_FILTER_VLAN_MAC_PENDING, 574 &vf->filter_state, 575 BNX2X_OBJ_TYPE_RX_TX, 576 &vf->vf_macs_pool, 577 &vf->vf_vlans_pool); 578 /* mcast */ 579 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, 580 q->cid, func_id, func_id, 581 bnx2x_vf_sp(bp, vf, mcast_rdata), 582 bnx2x_vf_sp_map(bp, vf, mcast_rdata), 583 BNX2X_FILTER_MCAST_PENDING, 584 &vf->filter_state, 585 BNX2X_OBJ_TYPE_RX_TX); 586 587 /* rss */ 588 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid, 589 func_id, func_id, 590 bnx2x_vf_sp(bp, vf, rss_rdata), 591 bnx2x_vf_sp_map(bp, vf, rss_rdata), 592 BNX2X_FILTER_RSS_CONF_PENDING, 593 &vf->filter_state, 594 BNX2X_OBJ_TYPE_RX_TX); 595 596 vf->leading_rss = cl_id; 597 q->is_leading = true; 598 q->sp_initialized = true; 599} 600 601/* ask the pf to open a queue for the vf */ 602int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, 603 bool is_leading) 604{ 605 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 606 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 607 u8 fp_idx = fp->index; 608 u16 tpa_agg_size = 0, flags = 0; 609 int rc; 610 611 /* clear mailbox and prep first tlv */ 612 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 613 614 /* select tpa mode to request */ 615 if (fp->mode != TPA_MODE_DISABLED) { 616 flags |= VFPF_QUEUE_FLG_TPA; 617 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 618 if (fp->mode == TPA_MODE_GRO) 619 flags |= VFPF_QUEUE_FLG_TPA_GRO; 620 tpa_agg_size = TPA_AGG_SIZE; 621 } 622 623 if (is_leading) 624 flags |= VFPF_QUEUE_FLG_LEADING_RSS; 625 626 /* calculate queue flags */ 627 flags |= VFPF_QUEUE_FLG_STATS; 628 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 629 flags |= VFPF_QUEUE_FLG_VLAN; 630 631 /* Common */ 632 req->vf_qid = fp_idx; 633 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 634 635 /* Rx */ 636 req->rxq.rcq_addr = fp->rx_comp_mapping; 637 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 638 req->rxq.rxq_addr = fp->rx_desc_mapping; 639 req->rxq.sge_addr = fp->rx_sge_mapping; 640 req->rxq.vf_sb = fp_idx; 641 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 642 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 643 req->rxq.mtu = bp->dev->mtu; 644 req->rxq.buf_sz = fp->rx_buf_size; 645 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 646 req->rxq.tpa_agg_sz = tpa_agg_size; 647 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 648 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 649 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 650 req->rxq.flags = flags; 651 req->rxq.drop_flags = 0; 652 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 653 req->rxq.stat_id = -1; /* No stats at the moment */ 654 655 /* Tx */ 656 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 657 req->txq.vf_sb = fp_idx; 658 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 659 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 660 req->txq.flags = flags; 661 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 662 663 /* add list termination tlv */ 664 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 665 sizeof(struct channel_list_end_tlv)); 666 667 /* output tlvs list */ 668 bnx2x_dp_tlv_list(bp, req); 669 670 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 671 if (rc) 672 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 673 fp_idx); 674 675 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 676 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 677 fp_idx, resp->hdr.status); 678 rc = -EINVAL; 679 } 680 681 bnx2x_vfpf_finalize(bp, &req->first_tlv); 682 683 return rc; 684} 685 686static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 687{ 688 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 689 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 690 int rc; 691 692 /* clear mailbox and prep first tlv */ 693 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 694 sizeof(*req)); 695 696 req->vf_qid = qidx; 697 698 /* add list termination tlv */ 699 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 700 sizeof(struct channel_list_end_tlv)); 701 702 /* output tlvs list */ 703 bnx2x_dp_tlv_list(bp, req); 704 705 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 706 707 if (rc) { 708 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 709 rc); 710 goto out; 711 } 712 713 /* PF failed the transaction */ 714 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 715 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 716 resp->hdr.status); 717 rc = -EINVAL; 718 } 719 720out: 721 bnx2x_vfpf_finalize(bp, &req->first_tlv); 722 723 return rc; 724} 725 726/* request pf to add a mac for the vf */ 727int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid, bool set) 728{ 729 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 730 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 731 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 732 int rc = 0; 733 734 /* clear mailbox and prep first tlv */ 735 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 736 sizeof(*req)); 737 738 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 739 req->vf_qid = vf_qid; 740 req->n_mac_vlan_filters = 1; 741 742 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 743 if (set) 744 req->filters[0].flags |= VFPF_Q_FILTER_SET; 745 746 /* sample bulletin board for new mac */ 747 bnx2x_sample_bulletin(bp); 748 749 /* copy mac from device to request */ 750 memcpy(req->filters[0].mac, addr, ETH_ALEN); 751 752 /* add list termination tlv */ 753 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 754 sizeof(struct channel_list_end_tlv)); 755 756 /* output tlvs list */ 757 bnx2x_dp_tlv_list(bp, req); 758 759 /* send message to pf */ 760 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 761 if (rc) { 762 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 763 goto out; 764 } 765 766 /* failure may mean PF was configured with a new mac for us */ 767 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 768 DP(BNX2X_MSG_IOV, 769 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 770 771 /* copy mac from bulletin to device */ 772 eth_hw_addr_set(bp->dev, bulletin.mac); 773 774 /* check if bulletin board was updated */ 775 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 776 /* copy mac from device to request */ 777 memcpy(req->filters[0].mac, bp->dev->dev_addr, 778 ETH_ALEN); 779 780 /* send message to pf */ 781 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 782 bp->vf2pf_mbox_mapping); 783 } else { 784 /* no new info in bulletin */ 785 break; 786 } 787 } 788 789 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 790 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 791 rc = -EINVAL; 792 } 793out: 794 bnx2x_vfpf_finalize(bp, &req->first_tlv); 795 796 return rc; 797} 798 799/* request pf to config rss table for vf queues*/ 800int bnx2x_vfpf_config_rss(struct bnx2x *bp, 801 struct bnx2x_config_rss_params *params) 802{ 803 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 804 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss; 805 int rc = 0; 806 807 /* clear mailbox and prep first tlv */ 808 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS, 809 sizeof(*req)); 810 811 /* add list termination tlv */ 812 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 813 sizeof(struct channel_list_end_tlv)); 814 815 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); 816 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key)); 817 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE; 818 req->rss_key_size = T_ETH_RSS_KEY; 819 req->rss_result_mask = params->rss_result_mask; 820 821 /* flags handled individually for backward/forward compatibility */ 822 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED)) 823 req->rss_flags |= VFPF_RSS_MODE_DISABLED; 824 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR)) 825 req->rss_flags |= VFPF_RSS_MODE_REGULAR; 826 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH)) 827 req->rss_flags |= VFPF_RSS_SET_SRCH; 828 if (params->rss_flags & (1 << BNX2X_RSS_IPV4)) 829 req->rss_flags |= VFPF_RSS_IPV4; 830 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP)) 831 req->rss_flags |= VFPF_RSS_IPV4_TCP; 832 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP)) 833 req->rss_flags |= VFPF_RSS_IPV4_UDP; 834 if (params->rss_flags & (1 << BNX2X_RSS_IPV6)) 835 req->rss_flags |= VFPF_RSS_IPV6; 836 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP)) 837 req->rss_flags |= VFPF_RSS_IPV6_TCP; 838 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP)) 839 req->rss_flags |= VFPF_RSS_IPV6_UDP; 840 841 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags); 842 843 /* output tlvs list */ 844 bnx2x_dp_tlv_list(bp, req); 845 846 /* send message to pf */ 847 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 848 if (rc) { 849 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 850 goto out; 851 } 852 853 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 854 /* Since older drivers don't support this feature (and VF has 855 * no way of knowing other than failing this), don't propagate 856 * an error in this case. 857 */ 858 DP(BNX2X_MSG_IOV, 859 "Failed to send rss message to PF over VF-PF channel [%d]\n", 860 resp->hdr.status); 861 } 862out: 863 bnx2x_vfpf_finalize(bp, &req->first_tlv); 864 865 return rc; 866} 867 868int bnx2x_vfpf_set_mcast(struct net_device *dev) 869{ 870 struct bnx2x *bp = netdev_priv(dev); 871 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 872 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 873 int rc = 0, i = 0; 874 struct netdev_hw_addr *ha; 875 876 if (bp->state != BNX2X_STATE_OPEN) { 877 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 878 return -EINVAL; 879 } 880 881 /* clear mailbox and prep first tlv */ 882 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 883 sizeof(*req)); 884 885 /* Get Rx mode requested */ 886 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 887 888 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ 889 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { 890 DP(NETIF_MSG_IFUP, 891 "VF supports not more than %d multicast MAC addresses\n", 892 PFVF_MAX_MULTICAST_PER_VF); 893 rc = -EINVAL; 894 goto out; 895 } 896 897 netdev_for_each_mc_addr(ha, dev) { 898 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 899 bnx2x_mc_addr(ha)); 900 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 901 i++; 902 } 903 904 req->n_multicast = i; 905 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 906 req->vf_qid = 0; 907 908 /* add list termination tlv */ 909 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 910 sizeof(struct channel_list_end_tlv)); 911 912 /* output tlvs list */ 913 bnx2x_dp_tlv_list(bp, req); 914 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 915 if (rc) { 916 BNX2X_ERR("Sending a message failed: %d\n", rc); 917 goto out; 918 } 919 920 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 921 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 922 resp->hdr.status); 923 rc = -EINVAL; 924 } 925out: 926 bnx2x_vfpf_finalize(bp, &req->first_tlv); 927 928 return rc; 929} 930 931/* request pf to add a vlan for the vf */ 932int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) 933{ 934 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 935 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 936 int rc = 0; 937 938 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) { 939 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n"); 940 return 0; 941 } 942 943 /* clear mailbox and prep first tlv */ 944 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 945 sizeof(*req)); 946 947 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 948 req->vf_qid = vf_qid; 949 req->n_mac_vlan_filters = 1; 950 951 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID; 952 953 if (add) 954 req->filters[0].flags |= VFPF_Q_FILTER_SET; 955 956 /* sample bulletin board for hypervisor vlan */ 957 bnx2x_sample_bulletin(bp); 958 959 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { 960 BNX2X_ERR("Hypervisor will decline the request, avoiding\n"); 961 rc = -EINVAL; 962 goto out; 963 } 964 965 req->filters[0].vlan_tag = vid; 966 967 /* add list termination tlv */ 968 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 969 sizeof(struct channel_list_end_tlv)); 970 971 /* output tlvs list */ 972 bnx2x_dp_tlv_list(bp, req); 973 974 /* send message to pf */ 975 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 976 if (rc) { 977 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 978 goto out; 979 } 980 981 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 982 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del", 983 vid); 984 rc = -EINVAL; 985 } 986out: 987 bnx2x_vfpf_finalize(bp, &req->first_tlv); 988 989 return rc; 990} 991 992int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 993{ 994 int mode = bp->rx_mode; 995 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 996 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 997 int rc; 998 999 /* clear mailbox and prep first tlv */ 1000 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 1001 sizeof(*req)); 1002 1003 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 1004 1005 /* Ignore everything accept MODE_NONE */ 1006 if (mode == BNX2X_RX_MODE_NONE) { 1007 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 1008 } else { 1009 /* Current PF driver will not look at the specific flags, 1010 * but they are required when working with older drivers on hv. 1011 */ 1012 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 1013 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 1014 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 1015 if (mode == BNX2X_RX_MODE_PROMISC) 1016 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1017 } 1018 1019 if (bp->accept_any_vlan) 1020 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN; 1021 1022 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 1023 req->vf_qid = 0; 1024 1025 /* add list termination tlv */ 1026 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 1027 sizeof(struct channel_list_end_tlv)); 1028 1029 /* output tlvs list */ 1030 bnx2x_dp_tlv_list(bp, req); 1031 1032 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 1033 if (rc) 1034 BNX2X_ERR("Sending a message failed: %d\n", rc); 1035 1036 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1037 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 1038 rc = -EINVAL; 1039 } 1040 1041 bnx2x_vfpf_finalize(bp, &req->first_tlv); 1042 1043 return rc; 1044} 1045 1046/* General service functions */ 1047static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 1048{ 1049 u32 addr = BAR_CSTRORM_INTMEM + 1050 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 1051 1052 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 1053} 1054 1055static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 1056{ 1057 u32 addr = BAR_CSTRORM_INTMEM + 1058 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 1059 1060 REG_WR8(bp, addr, 1); 1061} 1062 1063/* enable vf_pf mailbox (aka vf-pf-channel) */ 1064void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 1065{ 1066 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 1067 1068 /* enable the mailbox in the FW */ 1069 storm_memset_vf_mbx_ack(bp, abs_vfid); 1070 storm_memset_vf_mbx_valid(bp, abs_vfid); 1071 1072 /* enable the VF access to the mailbox */ 1073 bnx2x_vf_enable_access(bp, abs_vfid); 1074} 1075 1076/* this works only on !E1h */ 1077static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 1078 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 1079 u32 vf_addr_lo, u32 len32) 1080{ 1081 struct dmae_command dmae; 1082 1083 if (CHIP_IS_E1x(bp)) { 1084 BNX2X_ERR("Chip revision does not support VFs\n"); 1085 return DMAE_NOT_RDY; 1086 } 1087 1088 if (!bp->dmae_ready) { 1089 BNX2X_ERR("DMAE is not ready, can not copy\n"); 1090 return DMAE_NOT_RDY; 1091 } 1092 1093 /* set opcode and fixed command fields */ 1094 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 1095 1096 if (from_vf) { 1097 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 1098 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 1099 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 1100 1101 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 1102 1103 dmae.src_addr_lo = vf_addr_lo; 1104 dmae.src_addr_hi = vf_addr_hi; 1105 dmae.dst_addr_lo = U64_LO(pf_addr); 1106 dmae.dst_addr_hi = U64_HI(pf_addr); 1107 } else { 1108 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 1109 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 1110 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 1111 1112 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 1113 1114 dmae.src_addr_lo = U64_LO(pf_addr); 1115 dmae.src_addr_hi = U64_HI(pf_addr); 1116 dmae.dst_addr_lo = vf_addr_lo; 1117 dmae.dst_addr_hi = vf_addr_hi; 1118 } 1119 dmae.len = len32; 1120 1121 /* issue the command and wait for completion */ 1122 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp)); 1123} 1124 1125static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp, 1126 struct bnx2x_virtf *vf) 1127{ 1128 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1129 u16 length, type; 1130 1131 /* prepare response */ 1132 type = mbx->first_tlv.tl.type; 1133 length = type == CHANNEL_TLV_ACQUIRE ? 1134 sizeof(struct pfvf_acquire_resp_tlv) : 1135 sizeof(struct pfvf_general_resp_tlv); 1136 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length); 1137 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1138 sizeof(struct channel_list_end_tlv)); 1139} 1140 1141static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, 1142 struct bnx2x_virtf *vf, 1143 int vf_rc) 1144{ 1145 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 1146 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 1147 dma_addr_t pf_addr; 1148 u64 vf_addr; 1149 int rc; 1150 1151 bnx2x_dp_tlv_list(bp, resp); 1152 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1153 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1154 1155 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc); 1156 1157 /* send response */ 1158 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 1159 mbx->first_tlv.resp_msg_offset; 1160 pf_addr = mbx->msg_mapping + 1161 offsetof(struct bnx2x_vf_mbx_msg, resp); 1162 1163 /* Copy the response buffer. The first u64 is written afterwards, as 1164 * the vf is sensitive to the header being written 1165 */ 1166 vf_addr += sizeof(u64); 1167 pf_addr += sizeof(u64); 1168 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1169 U64_HI(vf_addr), 1170 U64_LO(vf_addr), 1171 (sizeof(union pfvf_tlvs) - sizeof(u64))/4); 1172 if (rc) { 1173 BNX2X_ERR("Failed to copy response body to VF %d\n", 1174 vf->abs_vfid); 1175 goto mbx_error; 1176 } 1177 vf_addr -= sizeof(u64); 1178 pf_addr -= sizeof(u64); 1179 1180 /* ack the FW */ 1181 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 1182 1183 /* copy the response header including status-done field, 1184 * must be last dmae, must be after FW is acked 1185 */ 1186 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 1187 U64_HI(vf_addr), 1188 U64_LO(vf_addr), 1189 sizeof(u64)/4); 1190 1191 /* unlock channel mutex */ 1192 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1193 1194 if (rc) { 1195 BNX2X_ERR("Failed to copy response status to VF %d\n", 1196 vf->abs_vfid); 1197 goto mbx_error; 1198 } 1199 return; 1200 1201mbx_error: 1202 bnx2x_vf_release(bp, vf); 1203} 1204 1205static void bnx2x_vf_mbx_resp(struct bnx2x *bp, 1206 struct bnx2x_virtf *vf, 1207 int rc) 1208{ 1209 bnx2x_vf_mbx_resp_single_tlv(bp, vf); 1210 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc); 1211} 1212 1213static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp, 1214 struct bnx2x_virtf *vf, 1215 void *buffer, 1216 u16 *offset) 1217{ 1218 struct vfpf_port_phys_id_resp_tlv *port_id; 1219 1220 if (!(bp->flags & HAS_PHYS_PORT_ID)) 1221 return; 1222 1223 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID, 1224 sizeof(struct vfpf_port_phys_id_resp_tlv)); 1225 1226 port_id = (struct vfpf_port_phys_id_resp_tlv *) 1227 (((u8 *)buffer) + *offset); 1228 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN); 1229 1230 /* Offset should continue representing the offset to the tail 1231 * of TLV data (outside this function scope) 1232 */ 1233 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv); 1234} 1235 1236static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp, 1237 struct bnx2x_virtf *vf, 1238 void *buffer, 1239 u16 *offset) 1240{ 1241 struct vfpf_fp_hsi_resp_tlv *fp_hsi; 1242 1243 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT, 1244 sizeof(struct vfpf_fp_hsi_resp_tlv)); 1245 1246 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *) 1247 (((u8 *)buffer) + *offset); 1248 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1; 1249 1250 /* Offset should continue representing the offset to the tail 1251 * of TLV data (outside this function scope) 1252 */ 1253 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv); 1254} 1255 1256static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 1257 struct bnx2x_vf_mbx *mbx, int vfop_status) 1258{ 1259 int i; 1260 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 1261 struct pf_vf_resc *resc = &resp->resc; 1262 u8 status = bnx2x_pfvf_status_codes(vfop_status); 1263 u16 length; 1264 1265 memset(resp, 0, sizeof(*resp)); 1266 1267 /* fill in pfdev info */ 1268 resp->pfdev_info.chip_num = bp->common.chip_id; 1269 resp->pfdev_info.db_size = bp->db_size; 1270 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 1271 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 1272 PFVF_CAP_TPA | 1273 PFVF_CAP_TPA_UPDATE | 1274 PFVF_CAP_VLAN_FILTER); 1275 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 1276 sizeof(resp->pfdev_info.fw_ver)); 1277 1278 if (status == PFVF_STATUS_NO_RESOURCE || 1279 status == PFVF_STATUS_SUCCESS) { 1280 /* set resources numbers, if status equals NO_RESOURCE these 1281 * are max possible numbers 1282 */ 1283 resc->num_rxqs = vf_rxq_count(vf) ? : 1284 bnx2x_vf_max_queue_cnt(bp, vf); 1285 resc->num_txqs = vf_txq_count(vf) ? : 1286 bnx2x_vf_max_queue_cnt(bp, vf); 1287 resc->num_sbs = vf_sb_count(vf); 1288 resc->num_mac_filters = vf_mac_rules_cnt(vf); 1289 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 1290 resc->num_mc_filters = 0; 1291 1292 if (status == PFVF_STATUS_SUCCESS) { 1293 /* fill in the allocated resources */ 1294 struct pf_vf_bulletin_content *bulletin = 1295 BP_VF_BULLETIN(bp, vf->index); 1296 1297 for_each_vfq(vf, i) 1298 resc->hw_qid[i] = 1299 vfq_qzone_id(vf, vfq_get(vf, i)); 1300 1301 for_each_vf_sb(vf, i) { 1302 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 1303 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 1304 } 1305 1306 /* if a mac has been set for this vf, supply it */ 1307 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1308 memcpy(resc->current_mac_addr, bulletin->mac, 1309 ETH_ALEN); 1310 } 1311 } 1312 } 1313 1314 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" 1315 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 1316 vf->abs_vfid, 1317 resp->pfdev_info.chip_num, 1318 resp->pfdev_info.db_size, 1319 resp->pfdev_info.indices_per_sb, 1320 resp->pfdev_info.pf_cap, 1321 resc->num_rxqs, 1322 resc->num_txqs, 1323 resc->num_sbs, 1324 resc->num_mac_filters, 1325 resc->num_vlan_filters, 1326 resc->num_mc_filters, 1327 resp->pfdev_info.fw_ver); 1328 1329 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1330 for (i = 0; i < vf_rxq_count(vf); i++) 1331 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1332 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1333 for (i = 0; i < vf_sb_count(vf); i++) 1334 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1335 resc->hw_sbs[i].hw_sb_id, 1336 resc->hw_sbs[i].sb_qid); 1337 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1338 1339 /* prepare response */ 1340 length = sizeof(struct pfvf_acquire_resp_tlv); 1341 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length); 1342 1343 /* Handle possible VF requests for physical port identifiers. 1344 * 'length' should continue to indicate the offset of the first empty 1345 * place in the buffer (i.e., where next TLV should be inserted) 1346 */ 1347 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1348 CHANNEL_TLV_PHYS_PORT_ID)) 1349 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length); 1350 1351 /* `New' vfs will want to know if fastpath HSI is supported, since 1352 * if that's not the case they could print into system log the fact 1353 * the driver version must be updated. 1354 */ 1355 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length); 1356 1357 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END, 1358 sizeof(struct channel_list_end_tlv)); 1359 1360 /* send the response */ 1361 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status); 1362} 1363 1364static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp, 1365 struct vfpf_acquire_tlv *acquire) 1366{ 1367 /* Windows driver does one of three things: 1368 * 1. Old driver doesn't have bulletin board address set. 1369 * 2. 'Middle' driver sends mc_num == 32. 1370 * 3. New driver sets the OS field. 1371 */ 1372 if (!acquire->bulletin_addr || 1373 acquire->resc_request.num_mc_filters == 32 || 1374 ((acquire->vfdev_info.vf_os & VF_OS_MASK) == 1375 VF_OS_WINDOWS)) 1376 return true; 1377 1378 return false; 1379} 1380 1381static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp, 1382 struct bnx2x_virtf *vf, 1383 struct bnx2x_vf_mbx *mbx) 1384{ 1385 /* Linux drivers which correctly set the doorbell size also 1386 * send a physical port request 1387 */ 1388 if (bnx2x_search_tlv_list(bp, &mbx->msg->req, 1389 CHANNEL_TLV_PHYS_PORT_ID)) 1390 return 0; 1391 1392 /* Issue does not exist in windows VMs */ 1393 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1394 return 0; 1395 1396 return -EOPNOTSUPP; 1397} 1398 1399static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1400 struct bnx2x_vf_mbx *mbx) 1401{ 1402 int rc; 1403 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1404 1405 /* log vfdef info */ 1406 DP(BNX2X_MSG_IOV, 1407 "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", 1408 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1409 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1410 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1411 acquire->resc_request.num_vlan_filters, 1412 acquire->resc_request.num_mc_filters); 1413 1414 /* Prevent VFs with old drivers from loading, since they calculate 1415 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover 1416 * while being upgraded. 1417 */ 1418 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx); 1419 if (rc) { 1420 DP(BNX2X_MSG_IOV, 1421 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n", 1422 vf->abs_vfid); 1423 goto out; 1424 } 1425 1426 /* Verify the VF fastpath HSI can be supported by the loaded FW. 1427 * Linux vfs should be oblivious to changes between v0 and v2. 1428 */ 1429 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire)) 1430 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver; 1431 else 1432 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver, 1433 ETH_FP_HSI_VER_2); 1434 if (vf->fp_hsi > ETH_FP_HSI_VERSION) { 1435 DP(BNX2X_MSG_IOV, 1436 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n", 1437 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver, 1438 ETH_FP_HSI_VERSION); 1439 rc = -EINVAL; 1440 goto out; 1441 } 1442 1443 /* acquire the resources */ 1444 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1445 1446 /* store address of vf's bulletin board */ 1447 vf->bulletin_map = acquire->bulletin_addr; 1448 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) { 1449 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n", 1450 vf->abs_vfid); 1451 vf->cfg_flags |= VF_CFG_EXT_BULLETIN; 1452 } else { 1453 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN; 1454 } 1455 1456 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) { 1457 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n", 1458 vf->abs_vfid); 1459 vf->cfg_flags |= VF_CFG_VLAN_FILTER; 1460 } else { 1461 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER; 1462 } 1463 1464out: 1465 /* response */ 1466 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1467} 1468 1469static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1470 struct bnx2x_vf_mbx *mbx) 1471{ 1472 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1473 int rc; 1474 1475 /* record ghost addresses from vf message */ 1476 vf->fw_stat_map = init->stats_addr; 1477 vf->stats_stride = init->stats_stride; 1478 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1479 1480 /* set VF multiqueue statistics collection mode */ 1481 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE) 1482 vf->cfg_flags |= VF_CFG_STATS_COALESCE; 1483 1484 /* Update VF's view of link state */ 1485 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN) 1486 bnx2x_iov_link_update_vf(bp, vf->index); 1487 1488 /* response */ 1489 bnx2x_vf_mbx_resp(bp, vf, rc); 1490} 1491 1492/* convert MBX queue-flags to standard SP queue-flags */ 1493static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1494 unsigned long *sp_q_flags) 1495{ 1496 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1497 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1498 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1499 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1500 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1501 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1502 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1503 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1504 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1505 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1506 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1507 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1508 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1509 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1510 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1511 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1512 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS) 1513 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags); 1514 1515 /* outer vlan removal is set according to PF's multi function mode */ 1516 if (IS_MF_SD(bp)) 1517 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1518} 1519 1520static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1521 struct bnx2x_vf_mbx *mbx) 1522{ 1523 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1524 struct bnx2x_vf_queue_construct_params qctor; 1525 int rc = 0; 1526 1527 /* verify vf_qid */ 1528 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1529 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1530 setup_q->vf_qid, vf_rxq_count(vf)); 1531 rc = -EINVAL; 1532 goto response; 1533 } 1534 1535 /* tx queues must be setup alongside rx queues thus if the rx queue 1536 * is not marked as valid there's nothing to do. 1537 */ 1538 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1539 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1540 unsigned long q_type = 0; 1541 1542 struct bnx2x_queue_init_params *init_p; 1543 struct bnx2x_queue_setup_params *setup_p; 1544 1545 if (bnx2x_vfq_is_leading(q)) 1546 bnx2x_leading_vfq_init(bp, vf, q); 1547 1548 /* re-init the VF operation context */ 1549 memset(&qctor, 0 , 1550 sizeof(struct bnx2x_vf_queue_construct_params)); 1551 setup_p = &qctor.prep_qsetup; 1552 init_p = &qctor.qstate.params.init; 1553 1554 /* activate immediately */ 1555 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1556 1557 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1558 struct bnx2x_txq_setup_params *txq_params = 1559 &setup_p->txq_params; 1560 1561 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1562 1563 /* save sb resource index */ 1564 q->sb_idx = setup_q->txq.vf_sb; 1565 1566 /* tx init */ 1567 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1568 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1569 1570 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1571 &init_p->tx.flags); 1572 1573 /* tx setup - flags */ 1574 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1575 &setup_p->flags); 1576 1577 /* tx setup - general, nothing */ 1578 1579 /* tx setup - tx */ 1580 txq_params->dscr_map = setup_q->txq.txq_addr; 1581 txq_params->sb_cq_index = setup_q->txq.sb_index; 1582 txq_params->traffic_type = setup_q->txq.traffic_type; 1583 1584 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1585 q->index, q->sb_idx); 1586 } 1587 1588 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1589 struct bnx2x_rxq_setup_params *rxq_params = 1590 &setup_p->rxq_params; 1591 1592 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1593 1594 /* Note: there is no support for different SBs 1595 * for TX and RX 1596 */ 1597 q->sb_idx = setup_q->rxq.vf_sb; 1598 1599 /* rx init */ 1600 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1601 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1602 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1603 &init_p->rx.flags); 1604 1605 /* rx setup - flags */ 1606 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1607 &setup_p->flags); 1608 1609 /* rx setup - general */ 1610 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1611 1612 /* rx setup - rx */ 1613 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1614 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1615 rxq_params->sge_map = setup_q->rxq.sge_addr; 1616 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1617 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1618 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1619 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1620 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1621 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1622 rxq_params->cache_line_log = 1623 setup_q->rxq.cache_line_log; 1624 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1625 1626 /* rx setup - multicast engine */ 1627 if (bnx2x_vfq_is_leading(q)) { 1628 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid); 1629 1630 rxq_params->mcast_engine_id = mcast_id; 1631 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); 1632 } 1633 1634 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1635 q->index, q->sb_idx); 1636 } 1637 /* complete the preparations */ 1638 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type); 1639 1640 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor); 1641 if (rc) 1642 goto response; 1643 } 1644response: 1645 bnx2x_vf_mbx_resp(bp, vf, rc); 1646} 1647 1648static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1649 struct bnx2x_virtf *vf, 1650 struct vfpf_set_q_filters_tlv *tlv, 1651 struct bnx2x_vf_mac_vlan_filters **pfl, 1652 u32 type_flag) 1653{ 1654 int i, j; 1655 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1656 1657 fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters), 1658 GFP_KERNEL); 1659 if (!fl) 1660 return -ENOMEM; 1661 1662 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1663 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1664 1665 if ((msg_filter->flags & type_flag) != type_flag) 1666 continue; 1667 memset(&fl->filters[j], 0, sizeof(fl->filters[j])); 1668 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) { 1669 fl->filters[j].mac = msg_filter->mac; 1670 fl->filters[j].type |= BNX2X_VF_FILTER_MAC; 1671 } 1672 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) { 1673 fl->filters[j].vid = msg_filter->vlan_tag; 1674 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN; 1675 } 1676 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET); 1677 fl->count++; 1678 j++; 1679 } 1680 if (!fl->count) 1681 kfree(fl); 1682 else 1683 *pfl = fl; 1684 1685 return 0; 1686} 1687 1688static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters, 1689 u32 flags) 1690{ 1691 int i, cnt = 0; 1692 1693 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1694 if ((filters->filters[i].flags & flags) == flags) 1695 cnt++; 1696 1697 return cnt; 1698} 1699 1700static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1701 struct vfpf_q_mac_vlan_filter *filter) 1702{ 1703 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1704 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1705 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1706 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1707 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1708 DP_CONT(msglvl, "\n"); 1709} 1710 1711static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1712 struct vfpf_set_q_filters_tlv *filters) 1713{ 1714 int i; 1715 1716 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1717 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1718 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1719 &filters->filters[i]); 1720 1721 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1722 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1723 1724 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1725 for (i = 0; i < filters->n_multicast; i++) 1726 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1727} 1728 1729#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1730#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1731#define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER) 1732 1733static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1734{ 1735 int rc = 0; 1736 1737 struct vfpf_set_q_filters_tlv *msg = 1738 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1739 1740 /* check for any mac/vlan changes */ 1741 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1742 struct bnx2x_vf_mac_vlan_filters *fl = NULL; 1743 1744 /* build vlan-mac list */ 1745 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1746 VFPF_VLAN_MAC_FILTER); 1747 if (rc) 1748 goto op_err; 1749 1750 if (fl) { 1751 1752 /* set vlan-mac list */ 1753 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1754 msg->vf_qid, 1755 false); 1756 if (rc) 1757 goto op_err; 1758 } 1759 1760 /* build mac list */ 1761 fl = NULL; 1762 1763 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1764 VFPF_MAC_FILTER); 1765 if (rc) 1766 goto op_err; 1767 1768 if (fl) { 1769 /* set mac list */ 1770 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1771 msg->vf_qid, 1772 false); 1773 if (rc) 1774 goto op_err; 1775 } 1776 1777 /* build vlan list */ 1778 fl = NULL; 1779 1780 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1781 VFPF_VLAN_FILTER); 1782 if (rc) 1783 goto op_err; 1784 1785 if (fl) { 1786 /* set vlan list */ 1787 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, 1788 msg->vf_qid, 1789 false); 1790 if (rc) 1791 goto op_err; 1792 } 1793 1794 } 1795 1796 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1797 unsigned long accept = 0; 1798 struct pf_vf_bulletin_content *bulletin = 1799 BP_VF_BULLETIN(bp, vf->index); 1800 1801 /* Ignore VF requested mode; instead set a regular mode */ 1802 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) { 1803 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1804 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1805 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1806 } 1807 1808 /* any_vlan is not configured if HV is forcing VLAN 1809 * any_vlan is configured if 1810 * 1. VF does not support vlan filtering 1811 * OR 1812 * 2. VF supports vlan filtering and explicitly requested it 1813 */ 1814 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) && 1815 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) || 1816 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN)) 1817 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1818 1819 /* set rx-mode */ 1820 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept); 1821 if (rc) 1822 goto op_err; 1823 } 1824 1825 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1826 /* set mcasts */ 1827 rc = bnx2x_vf_mcast(bp, vf, msg->multicast, 1828 msg->n_multicast, false); 1829 if (rc) 1830 goto op_err; 1831 } 1832op_err: 1833 if (rc) 1834 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1835 vf->abs_vfid, msg->vf_qid, rc); 1836 return rc; 1837} 1838 1839static int bnx2x_filters_validate_mac(struct bnx2x *bp, 1840 struct bnx2x_virtf *vf, 1841 struct vfpf_set_q_filters_tlv *filters) 1842{ 1843 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1844 int rc = 0; 1845 1846 /* if a mac was already set for this VF via the set vf mac ndo, we only 1847 * accept mac configurations of that mac. Why accept them at all? 1848 * because PF may have been unable to configure the mac at the time 1849 * since queue was not set up. 1850 */ 1851 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1852 struct vfpf_q_mac_vlan_filter *filter = NULL; 1853 int i; 1854 1855 for (i = 0; i < filters->n_mac_vlan_filters; i++) { 1856 if (!(filters->filters[i].flags & 1857 VFPF_Q_FILTER_DEST_MAC_VALID)) 1858 continue; 1859 1860 /* once a mac was set by ndo can only accept 1861 * a single mac... 1862 */ 1863 if (filter) { 1864 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n", 1865 vf->abs_vfid, 1866 filters->n_mac_vlan_filters); 1867 rc = -EPERM; 1868 goto response; 1869 } 1870 1871 filter = &filters->filters[i]; 1872 } 1873 1874 /* ...and only the mac set by the ndo */ 1875 if (filter && 1876 !ether_addr_equal(filter->mac, bulletin->mac)) { 1877 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1878 vf->abs_vfid); 1879 1880 rc = -EPERM; 1881 goto response; 1882 } 1883 } 1884 1885response: 1886 return rc; 1887} 1888 1889static int bnx2x_filters_validate_vlan(struct bnx2x *bp, 1890 struct bnx2x_virtf *vf, 1891 struct vfpf_set_q_filters_tlv *filters) 1892{ 1893 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1894 int rc = 0; 1895 1896 /* if vlan was set by hypervisor we don't allow guest to config vlan */ 1897 if (bulletin->valid_bitmap & 1 << VLAN_VALID) { 1898 /* search for vlan filters */ 1899 1900 if (bnx2x_vf_filters_contain(filters, 1901 VFPF_Q_FILTER_VLAN_TAG_VALID)) { 1902 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", 1903 vf->abs_vfid); 1904 rc = -EPERM; 1905 goto response; 1906 } 1907 } 1908 1909 /* verify vf_qid */ 1910 if (filters->vf_qid > vf_rxq_count(vf)) { 1911 rc = -EPERM; 1912 goto response; 1913 } 1914 1915response: 1916 return rc; 1917} 1918 1919static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1920 struct bnx2x_virtf *vf, 1921 struct bnx2x_vf_mbx *mbx) 1922{ 1923 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1924 int rc; 1925 1926 rc = bnx2x_filters_validate_mac(bp, vf, filters); 1927 if (rc) 1928 goto response; 1929 1930 rc = bnx2x_filters_validate_vlan(bp, vf, filters); 1931 if (rc) 1932 goto response; 1933 1934 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1935 vf->abs_vfid, 1936 filters->vf_qid); 1937 1938 /* print q_filter message */ 1939 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1940 1941 rc = bnx2x_vf_mbx_qfilters(bp, vf); 1942response: 1943 bnx2x_vf_mbx_resp(bp, vf, rc); 1944} 1945 1946static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1947 struct bnx2x_vf_mbx *mbx) 1948{ 1949 int qid = mbx->msg->req.q_op.vf_qid; 1950 int rc; 1951 1952 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1953 vf->abs_vfid, qid); 1954 1955 rc = bnx2x_vf_queue_teardown(bp, vf, qid); 1956 bnx2x_vf_mbx_resp(bp, vf, rc); 1957} 1958 1959static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1960 struct bnx2x_vf_mbx *mbx) 1961{ 1962 int rc; 1963 1964 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1965 1966 rc = bnx2x_vf_close(bp, vf); 1967 bnx2x_vf_mbx_resp(bp, vf, rc); 1968} 1969 1970static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1971 struct bnx2x_vf_mbx *mbx) 1972{ 1973 int rc; 1974 1975 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1976 1977 rc = bnx2x_vf_free(bp, vf); 1978 bnx2x_vf_mbx_resp(bp, vf, rc); 1979} 1980 1981static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, 1982 struct bnx2x_vf_mbx *mbx) 1983{ 1984 struct bnx2x_config_rss_params rss; 1985 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss; 1986 int rc = 0; 1987 1988 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE || 1989 rss_tlv->rss_key_size != T_ETH_RSS_KEY) { 1990 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n", 1991 vf->index); 1992 rc = -EINVAL; 1993 goto mbx_resp; 1994 } 1995 1996 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params)); 1997 1998 /* set vfop params according to rss tlv */ 1999 memcpy(rss.ind_table, rss_tlv->ind_table, 2000 T_ETH_INDIRECTION_TABLE_SIZE); 2001 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key)); 2002 rss.rss_obj = &vf->rss_conf_obj; 2003 rss.rss_result_mask = rss_tlv->rss_result_mask; 2004 2005 /* flags handled individually for backward/forward compatibility */ 2006 rss.rss_flags = 0; 2007 rss.ramrod_flags = 0; 2008 2009 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) 2010 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags); 2011 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) 2012 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags); 2013 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH) 2014 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags); 2015 if (rss_tlv->rss_flags & VFPF_RSS_IPV4) 2016 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags); 2017 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) 2018 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags); 2019 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) 2020 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags); 2021 if (rss_tlv->rss_flags & VFPF_RSS_IPV6) 2022 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags); 2023 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) 2024 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags); 2025 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP) 2026 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags); 2027 2028 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) && 2029 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) || 2030 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) && 2031 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) { 2032 BNX2X_ERR("about to hit a FW assert. aborting...\n"); 2033 rc = -EINVAL; 2034 goto mbx_resp; 2035 } 2036 2037 rc = bnx2x_vf_rss_update(bp, vf, &rss); 2038mbx_resp: 2039 bnx2x_vf_mbx_resp(bp, vf, rc); 2040} 2041 2042static int bnx2x_validate_tpa_params(struct bnx2x *bp, 2043 struct vfpf_tpa_tlv *tpa_tlv) 2044{ 2045 int rc = 0; 2046 2047 if (tpa_tlv->tpa_client_info.max_sges_for_packet > 2048 U_ETH_MAX_SGES_FOR_PACKET) { 2049 rc = -EINVAL; 2050 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n", 2051 tpa_tlv->tpa_client_info.max_sges_for_packet, 2052 U_ETH_MAX_SGES_FOR_PACKET); 2053 } 2054 2055 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) { 2056 rc = -EINVAL; 2057 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n", 2058 tpa_tlv->tpa_client_info.max_tpa_queues, 2059 MAX_AGG_QS(bp)); 2060 } 2061 2062 return rc; 2063} 2064 2065static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf, 2066 struct bnx2x_vf_mbx *mbx) 2067{ 2068 struct bnx2x_queue_update_tpa_params vf_op_params; 2069 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa; 2070 int rc = 0; 2071 2072 memset(&vf_op_params, 0, sizeof(vf_op_params)); 2073 2074 if (bnx2x_validate_tpa_params(bp, tpa_tlv)) 2075 goto mbx_resp; 2076 2077 vf_op_params.complete_on_both_clients = 2078 tpa_tlv->tpa_client_info.complete_on_both_clients; 2079 vf_op_params.dont_verify_thr = 2080 tpa_tlv->tpa_client_info.dont_verify_thr; 2081 vf_op_params.max_agg_sz = 2082 tpa_tlv->tpa_client_info.max_agg_size; 2083 vf_op_params.max_sges_pkt = 2084 tpa_tlv->tpa_client_info.max_sges_for_packet; 2085 vf_op_params.max_tpa_queues = 2086 tpa_tlv->tpa_client_info.max_tpa_queues; 2087 vf_op_params.sge_buff_sz = 2088 tpa_tlv->tpa_client_info.sge_buff_size; 2089 vf_op_params.sge_pause_thr_high = 2090 tpa_tlv->tpa_client_info.sge_pause_thr_high; 2091 vf_op_params.sge_pause_thr_low = 2092 tpa_tlv->tpa_client_info.sge_pause_thr_low; 2093 vf_op_params.tpa_mode = 2094 tpa_tlv->tpa_client_info.tpa_mode; 2095 vf_op_params.update_ipv4 = 2096 tpa_tlv->tpa_client_info.update_ipv4; 2097 vf_op_params.update_ipv6 = 2098 tpa_tlv->tpa_client_info.update_ipv6; 2099 2100 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params); 2101 2102mbx_resp: 2103 bnx2x_vf_mbx_resp(bp, vf, rc); 2104} 2105 2106/* dispatch request */ 2107static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 2108 struct bnx2x_vf_mbx *mbx) 2109{ 2110 int i; 2111 2112 if (vf->state == VF_LOST) { 2113 /* Just ack the FW and return if VFs are lost 2114 * in case of parity error. VFs are supposed to be timedout 2115 * on waiting for PF response. 2116 */ 2117 DP(BNX2X_MSG_IOV, 2118 "VF 0x%x lost, not handling the request\n", vf->abs_vfid); 2119 2120 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2121 return; 2122 } 2123 2124 /* check if tlv type is known */ 2125 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 2126 /* Lock the per vf op mutex and note the locker's identity. 2127 * The unlock will take place in mbx response. 2128 */ 2129 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2130 2131 /* switch on the opcode */ 2132 switch (mbx->first_tlv.tl.type) { 2133 case CHANNEL_TLV_ACQUIRE: 2134 bnx2x_vf_mbx_acquire(bp, vf, mbx); 2135 return; 2136 case CHANNEL_TLV_INIT: 2137 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 2138 return; 2139 case CHANNEL_TLV_SETUP_Q: 2140 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 2141 return; 2142 case CHANNEL_TLV_SET_Q_FILTERS: 2143 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 2144 return; 2145 case CHANNEL_TLV_TEARDOWN_Q: 2146 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 2147 return; 2148 case CHANNEL_TLV_CLOSE: 2149 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 2150 return; 2151 case CHANNEL_TLV_RELEASE: 2152 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 2153 return; 2154 case CHANNEL_TLV_UPDATE_RSS: 2155 bnx2x_vf_mbx_update_rss(bp, vf, mbx); 2156 return; 2157 case CHANNEL_TLV_UPDATE_TPA: 2158 bnx2x_vf_mbx_update_tpa(bp, vf, mbx); 2159 return; 2160 } 2161 2162 } else { 2163 /* unknown TLV - this may belong to a VF driver from the future 2164 * - a version written after this PF driver was written, which 2165 * supports features unknown as of yet. Too bad since we don't 2166 * support them. Or this may be because someone wrote a crappy 2167 * VF driver and is sending garbage over the channel. 2168 */ 2169 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n", 2170 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length, 2171 vf->state); 2172 for (i = 0; i < 20; i++) 2173 DP_CONT(BNX2X_MSG_IOV, "%x ", 2174 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 2175 } 2176 2177 /* can we respond to VF (do we have an address for it?) */ 2178 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { 2179 /* notify the VF that we do not support this request */ 2180 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED); 2181 } else { 2182 /* can't send a response since this VF is unknown to us 2183 * just ack the FW to release the mailbox and unlock 2184 * the channel. 2185 */ 2186 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 2187 /* Firmware ack should be written before unlocking channel */ 2188 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 2189 } 2190} 2191 2192void bnx2x_vf_mbx_schedule(struct bnx2x *bp, 2193 struct vf_pf_event_data *vfpf_event) 2194{ 2195 u8 vf_idx; 2196 2197 DP(BNX2X_MSG_IOV, 2198 "vf pf event received: vfid %d, address_hi %x, address lo %x", 2199 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 2200 /* Sanity checks consider removing later */ 2201 2202 /* check if the vf_id is valid */ 2203 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 2204 BNX2X_NR_VIRTFN(bp)) { 2205 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 2206 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 2207 return; 2208 } 2209 2210 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 2211 2212 /* Update VFDB with current message and schedule its handling */ 2213 mutex_lock(&BP_VFDB(bp)->event_mutex); 2214 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = 2215 le32_to_cpu(vfpf_event->msg_addr_hi); 2216 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = 2217 le32_to_cpu(vfpf_event->msg_addr_lo); 2218 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx); 2219 mutex_unlock(&BP_VFDB(bp)->event_mutex); 2220 2221 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG); 2222} 2223 2224/* handle new vf-pf messages */ 2225void bnx2x_vf_mbx(struct bnx2x *bp) 2226{ 2227 struct bnx2x_vfdb *vfdb = BP_VFDB(bp); 2228 u64 events; 2229 u8 vf_idx; 2230 int rc; 2231 2232 if (!vfdb) 2233 return; 2234 2235 mutex_lock(&vfdb->event_mutex); 2236 events = vfdb->event_occur; 2237 vfdb->event_occur = 0; 2238 mutex_unlock(&vfdb->event_mutex); 2239 2240 for_each_vf(bp, vf_idx) { 2241 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx); 2242 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); 2243 2244 /* Handle VFs which have pending events */ 2245 if (!(events & (1ULL << vf_idx))) 2246 continue; 2247 2248 DP(BNX2X_MSG_IOV, 2249 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n", 2250 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo, 2251 mbx->first_tlv.resp_msg_offset); 2252 2253 /* dmae to get the VF request */ 2254 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, 2255 vf->abs_vfid, mbx->vf_addr_hi, 2256 mbx->vf_addr_lo, 2257 sizeof(union vfpf_tlvs)/4); 2258 if (rc) { 2259 BNX2X_ERR("Failed to copy request VF %d\n", 2260 vf->abs_vfid); 2261 bnx2x_vf_release(bp, vf); 2262 return; 2263 } 2264 2265 /* process the VF message header */ 2266 mbx->first_tlv = mbx->msg->req.first_tlv; 2267 2268 /* Clean response buffer to refrain from falsely 2269 * seeing chains. 2270 */ 2271 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs)); 2272 2273 /* dispatch the request (will prepare the response) */ 2274 bnx2x_vf_mbx_request(bp, vf, mbx); 2275 } 2276} 2277 2278void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin, 2279 bool support_long) 2280{ 2281 /* Older VFs contain a bug where they can't check CRC for bulletin 2282 * boards of length greater than legacy size. 2283 */ 2284 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE : 2285 BULLETIN_CONTENT_LEGACY_SIZE; 2286 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin); 2287} 2288 2289/* propagate local bulletin board to vf */ 2290int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 2291{ 2292 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 2293 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 2294 vf * BULLETIN_CONTENT_SIZE; 2295 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 2296 int rc; 2297 2298 /* can only update vf after init took place */ 2299 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 2300 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 2301 return 0; 2302 2303 /* increment bulletin board version and compute crc */ 2304 bulletin->version++; 2305 bnx2x_vf_bulletin_finalize(bulletin, 2306 (bnx2x_vf(bp, vf, cfg_flags) & 2307 VF_CFG_EXT_BULLETIN) ? true : false); 2308 2309 /* propagate bulletin board via dmae to vm memory */ 2310 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 2311 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 2312 U64_LO(vf_addr), bulletin->length / 4); 2313 return rc; 2314} 2315