1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/crc32.h> 8 #include <linux/etherdevice.h> 9 #include "qed.h" 10 #include "qed_sriov.h" 11 #include "qed_vf.h" 12 13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length) 14 { 15 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 16 void *p_tlv; 17 18 /* This lock is released when we receive PF's response 19 * in qed_send_msg2pf(). 20 * So, qed_vf_pf_prep() and qed_send_msg2pf() 21 * must come in sequence. 22 */ 23 mutex_lock(&(p_iov->mutex)); 24 25 DP_VERBOSE(p_hwfn, 26 QED_MSG_IOV, 27 "preparing to send 0x%04x tlv over vf pf channel\n", 28 type); 29 30 /* Reset Request offset */ 31 p_iov->offset = (u8 *)p_iov->vf2pf_request; 32 33 /* Clear mailbox - both request and reply */ 34 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs)); 35 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 36 37 /* Init type and length */ 38 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length); 39 40 /* Init first tlv header */ 41 ((struct vfpf_first_tlv *)p_tlv)->reply_address = 42 (u64)p_iov->pf2vf_reply_phys; 43 44 return p_tlv; 45 } 46 47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status) 48 { 49 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply; 50 51 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 52 "VF request status = 0x%x, PF reply status = 0x%x\n", 53 req_status, resp->default_resp.hdr.status); 54 55 mutex_unlock(&(p_hwfn->vf_iov_info->mutex)); 56 } 57 58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90 59 #define QED_VF_CHANNEL_USLEEP_DELAY 100 60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10 61 #define QED_VF_CHANNEL_MSLEEP_DELAY 25 62 63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size) 64 { 65 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request; 66 struct ustorm_trigger_vf_zone trigger; 67 struct ustorm_vf_zone *zone_data; 68 int iter, rc = 0; 69 70 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B; 71 72 /* output tlvs list */ 73 qed_dp_tlv_list(p_hwfn, p_req); 74 75 /* need to add the END TLV to the message size */ 76 resp_size += sizeof(struct channel_list_end_tlv); 77 78 /* Send TLVs over HW channel */ 79 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone)); 80 trigger.vf_pf_msg_valid = 1; 81 82 DP_VERBOSE(p_hwfn, 83 QED_MSG_IOV, 84 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n", 85 GET_FIELD(p_hwfn->hw_info.concrete_fid, 86 PXP_CONCRETE_FID_PFID), 87 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 88 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 89 &zone_data->non_trigger.vf_pf_msg_addr, 90 *((u32 *)&trigger), &zone_data->trigger); 91 92 REG_WR(p_hwfn, 93 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo, 94 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 95 96 REG_WR(p_hwfn, 97 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi, 98 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 99 100 /* The message data must be written first, to prevent trigger before 101 * data is written. 102 */ 103 wmb(); 104 105 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger)); 106 107 /* When PF would be done with the response, it would write back to the 108 * `done' address from a coherent DMA zone. Poll until then. 109 */ 110 111 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS; 112 while (!*done && iter--) { 113 udelay(QED_VF_CHANNEL_USLEEP_DELAY); 114 dma_rmb(); 115 } 116 117 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS; 118 while (!*done && iter--) { 119 msleep(QED_VF_CHANNEL_MSLEEP_DELAY); 120 dma_rmb(); 121 } 122 123 if (!*done) { 124 DP_NOTICE(p_hwfn, 125 "VF <-- PF Timeout [Type %d]\n", 126 p_req->first_tlv.tl.type); 127 rc = -EBUSY; 128 } else { 129 if ((*done != PFVF_STATUS_SUCCESS) && 130 (*done != PFVF_STATUS_NO_RESOURCE)) 131 DP_NOTICE(p_hwfn, 132 "PF response: %d [Type %d]\n", 133 *done, p_req->first_tlv.tl.type); 134 else 135 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 136 "PF response: %d [Type %d]\n", 137 *done, p_req->first_tlv.tl.type); 138 } 139 140 return rc; 141 } 142 143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn, 144 struct qed_queue_cid *p_cid) 145 { 146 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 147 struct vfpf_qid_tlv *p_qid_tlv; 148 149 /* Only add QIDs for the queue if it was negotiated with PF */ 150 if (!(p_iov->acquire_resp.pfdev_info.capabilities & 151 PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 152 return; 153 154 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 155 CHANNEL_TLV_QID, sizeof(*p_qid_tlv)); 156 p_qid_tlv->qid = p_cid->qid_usage_idx; 157 } 158 159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final) 160 { 161 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 162 struct pfvf_def_resp_tlv *resp; 163 struct vfpf_first_tlv *req; 164 u32 size; 165 int rc; 166 167 /* clear mailbox and prep first tlv */ 168 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req)); 169 170 /* add list termination tlv */ 171 qed_add_tlv(p_hwfn, &p_iov->offset, 172 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 173 174 resp = &p_iov->pf2vf_reply->default_resp; 175 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 176 177 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS) 178 rc = -EAGAIN; 179 180 qed_vf_pf_req_end(p_hwfn, rc); 181 if (!b_final) 182 return rc; 183 184 p_hwfn->b_int_enabled = 0; 185 186 if (p_iov->vf2pf_request) 187 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 188 sizeof(union vfpf_tlvs), 189 p_iov->vf2pf_request, 190 p_iov->vf2pf_request_phys); 191 if (p_iov->pf2vf_reply) 192 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 193 sizeof(union pfvf_tlvs), 194 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 195 196 if (p_iov->bulletin.p_virt) { 197 size = sizeof(struct qed_bulletin_content); 198 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 199 size, 200 p_iov->bulletin.p_virt, p_iov->bulletin.phys); 201 } 202 203 kfree(p_hwfn->vf_iov_info); 204 p_hwfn->vf_iov_info = NULL; 205 206 return rc; 207 } 208 209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn) 210 { 211 return _qed_vf_pf_release(p_hwfn, true); 212 } 213 214 #define VF_ACQUIRE_THRESH 3 215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, 216 struct vf_pf_resc_request *p_req, 217 struct pf_vf_resc *p_resp) 218 { 219 DP_VERBOSE(p_hwfn, 220 QED_MSG_IOV, 221 "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n", 222 p_req->num_rxqs, 223 p_resp->num_rxqs, 224 p_req->num_rxqs, 225 p_resp->num_txqs, 226 p_req->num_sbs, 227 p_resp->num_sbs, 228 p_req->num_mac_filters, 229 p_resp->num_mac_filters, 230 p_req->num_vlan_filters, 231 p_resp->num_vlan_filters, 232 p_req->num_mc_filters, 233 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids); 234 235 /* humble our request */ 236 p_req->num_txqs = p_resp->num_txqs; 237 p_req->num_rxqs = p_resp->num_rxqs; 238 p_req->num_sbs = p_resp->num_sbs; 239 p_req->num_mac_filters = p_resp->num_mac_filters; 240 p_req->num_vlan_filters = p_resp->num_vlan_filters; 241 p_req->num_mc_filters = p_resp->num_mc_filters; 242 p_req->num_cids = p_resp->num_cids; 243 } 244 245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) 246 { 247 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 248 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; 249 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 250 struct vf_pf_resc_request *p_resc; 251 u8 retry_cnt = VF_ACQUIRE_THRESH; 252 bool resources_acquired = false; 253 struct vfpf_acquire_tlv *req; 254 int rc = 0, attempts = 0; 255 256 /* clear mailbox and prep first tlv */ 257 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 258 p_resc = &req->resc_request; 259 260 /* starting filling the request */ 261 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; 262 263 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; 264 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; 265 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; 266 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; 267 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 268 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS; 269 270 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; 271 req->vfdev_info.fw_major = FW_MAJOR_VERSION; 272 req->vfdev_info.fw_minor = FW_MINOR_VERSION; 273 req->vfdev_info.fw_revision = FW_REVISION_VERSION; 274 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; 275 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; 276 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; 277 278 /* Fill capability field with any non-deprecated config we support */ 279 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; 280 281 /* If we've mapped the doorbell bar, try using queue qids */ 282 if (p_iov->b_doorbell_bar) { 283 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR | 284 VFPF_ACQUIRE_CAP_QUEUE_QIDS; 285 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS; 286 } 287 288 /* pf 2 vf bulletin board address */ 289 req->bulletin_addr = p_iov->bulletin.phys; 290 req->bulletin_size = p_iov->bulletin.size; 291 292 /* add list termination tlv */ 293 qed_add_tlv(p_hwfn, &p_iov->offset, 294 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 295 296 while (!resources_acquired) { 297 DP_VERBOSE(p_hwfn, 298 QED_MSG_IOV, "attempting to acquire resources\n"); 299 300 /* Clear response buffer, as this might be a re-send */ 301 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 302 303 /* send acquire request */ 304 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 305 306 /* Re-try acquire in case of vf-pf hw channel timeout */ 307 if (retry_cnt && rc == -EBUSY) { 308 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 309 "VF retrying to acquire due to VPC timeout\n"); 310 retry_cnt--; 311 continue; 312 } 313 314 if (rc) 315 goto exit; 316 317 /* copy acquire response from buffer to p_hwfn */ 318 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp)); 319 320 attempts++; 321 322 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 323 /* PF agrees to allocate our resources */ 324 if (!(resp->pfdev_info.capabilities & 325 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) { 326 /* It's possible legacy PF mistakenly accepted; 327 * but we don't care - simply mark it as 328 * legacy and continue. 329 */ 330 req->vfdev_info.capabilities |= 331 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 332 } 333 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n"); 334 resources_acquired = true; 335 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && 336 attempts < VF_ACQUIRE_THRESH) { 337 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, 338 &resp->resc); 339 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) { 340 if (pfdev_info->major_fp_hsi && 341 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { 342 DP_NOTICE(p_hwfn, 343 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", 344 pfdev_info->major_fp_hsi, 345 pfdev_info->minor_fp_hsi, 346 ETH_HSI_VER_MAJOR, 347 ETH_HSI_VER_MINOR, 348 pfdev_info->major_fp_hsi); 349 rc = -EINVAL; 350 goto exit; 351 } 352 353 if (!pfdev_info->major_fp_hsi) { 354 if (req->vfdev_info.capabilities & 355 VFPF_ACQUIRE_CAP_PRE_FP_HSI) { 356 DP_NOTICE(p_hwfn, 357 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n"); 358 rc = -EINVAL; 359 goto exit; 360 } else { 361 DP_INFO(p_hwfn, 362 "PF is old - try re-acquire to see if it supports FW-version override\n"); 363 req->vfdev_info.capabilities |= 364 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 365 continue; 366 } 367 } 368 369 /* If PF/VF are using same Major, PF must have had 370 * it's reasons. Simply fail. 371 */ 372 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n"); 373 rc = -EINVAL; 374 goto exit; 375 } else { 376 DP_ERR(p_hwfn, 377 "PF returned error %d to VF acquisition request\n", 378 resp->hdr.status); 379 rc = -EAGAIN; 380 goto exit; 381 } 382 } 383 384 /* Mark the PF as legacy, if needed */ 385 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI) 386 p_iov->b_pre_fp_hsi = true; 387 388 /* In case PF doesn't support multi-queue Tx, update the number of 389 * CIDs to reflect the number of queues [older PFs didn't fill that 390 * field]. 391 */ 392 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 393 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs; 394 395 /* Update bulletin board size with response from PF */ 396 p_iov->bulletin.size = resp->bulletin_size; 397 398 /* get HW info */ 399 p_hwfn->cdev->type = resp->pfdev_info.dev_type; 400 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev; 401 402 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff; 403 404 /* Learn of the possibility of CMT */ 405 if (IS_LEAD_HWFN(p_hwfn)) { 406 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) { 407 DP_NOTICE(p_hwfn, "100g VF\n"); 408 p_hwfn->cdev->num_hwfns = 2; 409 } 410 } 411 412 if (!p_iov->b_pre_fp_hsi && 413 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { 414 DP_INFO(p_hwfn, 415 "PF is using older fastpath HSI; %02x.%02x is configured\n", 416 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); 417 } 418 419 exit: 420 qed_vf_pf_req_end(p_hwfn, rc); 421 422 return rc; 423 } 424 425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id) 426 { 427 u32 bar_size; 428 429 /* Regview size is fixed */ 430 if (bar_id == BAR_ID_0) 431 return 1 << 17; 432 433 /* Doorbell is received from PF */ 434 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size; 435 if (bar_size) 436 return 1 << bar_size; 437 return 0; 438 } 439 440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) 441 { 442 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev); 443 struct qed_vf_iov *p_iov; 444 u32 reg; 445 int rc; 446 447 /* Set number of hwfns - might be overridden once leading hwfn learns 448 * actual configuration from PF. 449 */ 450 if (IS_LEAD_HWFN(p_hwfn)) 451 p_hwfn->cdev->num_hwfns = 1; 452 453 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS; 454 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg); 455 456 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS; 457 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg); 458 459 /* Allocate vf sriov info */ 460 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL); 461 if (!p_iov) 462 return -ENOMEM; 463 464 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell 465 * value, but there are several incompatibily scenarios where that 466 * would be incorrect and we'd need to override it. 467 */ 468 if (!p_hwfn->doorbells) { 469 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 470 PXP_VF_BAR0_START_DQ; 471 } else if (p_hwfn == p_lead) { 472 /* For leading hw-function, value is always correct, but need 473 * to handle scenario where legacy PF would not support 100g 474 * mapped bars later. 475 */ 476 p_iov->b_doorbell_bar = true; 477 } else { 478 /* here, value would be correct ONLY if the leading hwfn 479 * received indication that mapped-bars are supported. 480 */ 481 if (p_lead->vf_iov_info->b_doorbell_bar) 482 p_iov->b_doorbell_bar = true; 483 else 484 p_hwfn->doorbells = (u8 __iomem *) 485 p_hwfn->regview + PXP_VF_BAR0_START_DQ; 486 } 487 488 /* Allocate vf2pf msg */ 489 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 490 sizeof(union vfpf_tlvs), 491 &p_iov->vf2pf_request_phys, 492 GFP_KERNEL); 493 if (!p_iov->vf2pf_request) 494 goto free_p_iov; 495 496 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 497 sizeof(union pfvf_tlvs), 498 &p_iov->pf2vf_reply_phys, 499 GFP_KERNEL); 500 if (!p_iov->pf2vf_reply) 501 goto free_vf2pf_request; 502 503 DP_VERBOSE(p_hwfn, 504 QED_MSG_IOV, 505 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n", 506 p_iov->vf2pf_request, 507 (u64)p_iov->vf2pf_request_phys, 508 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys); 509 510 /* Allocate Bulletin board */ 511 p_iov->bulletin.size = sizeof(struct qed_bulletin_content); 512 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 513 p_iov->bulletin.size, 514 &p_iov->bulletin.phys, 515 GFP_KERNEL); 516 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 517 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n", 518 p_iov->bulletin.p_virt, 519 (u64)p_iov->bulletin.phys, p_iov->bulletin.size); 520 521 mutex_init(&p_iov->mutex); 522 523 p_hwfn->vf_iov_info = p_iov; 524 525 p_hwfn->hw_info.personality = QED_PCI_ETH; 526 527 rc = qed_vf_pf_acquire(p_hwfn); 528 529 /* If VF is 100g using a mapped bar and PF is too old to support that, 530 * acquisition would succeed - but the VF would have no way knowing 531 * the size of the doorbell bar configured in HW and thus will not 532 * know how to split it for 2nd hw-function. 533 * In this case we re-try without the indication of the mapped 534 * doorbell. 535 */ 536 if (!rc && p_iov->b_doorbell_bar && 537 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) && 538 (p_hwfn->cdev->num_hwfns > 1)) { 539 rc = _qed_vf_pf_release(p_hwfn, false); 540 if (rc) 541 return rc; 542 543 p_iov->b_doorbell_bar = false; 544 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 545 PXP_VF_BAR0_START_DQ; 546 rc = qed_vf_pf_acquire(p_hwfn); 547 } 548 549 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 550 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n", 551 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells); 552 553 return rc; 554 555 free_vf2pf_request: 556 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 557 sizeof(union vfpf_tlvs), 558 p_iov->vf2pf_request, p_iov->vf2pf_request_phys); 559 free_p_iov: 560 kfree(p_iov); 561 562 return -ENOMEM; 563 } 564 565 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 566 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 567 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 568 569 static void 570 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 571 struct qed_tunn_update_type *p_src, 572 enum qed_tunn_mode mask, u8 *p_cls) 573 { 574 if (p_src->b_update_mode) { 575 p_req->tun_mode_update_mask |= BIT(mask); 576 577 if (p_src->b_mode_enabled) 578 p_req->tunn_mode |= BIT(mask); 579 } 580 581 *p_cls = p_src->tun_cls; 582 } 583 584 static void 585 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 586 struct qed_tunn_update_type *p_src, 587 enum qed_tunn_mode mask, 588 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 589 u8 *p_update_port, u16 *p_udp_port) 590 { 591 if (p_port->b_update_port) { 592 *p_update_port = 1; 593 *p_udp_port = p_port->port; 594 } 595 596 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 597 } 598 599 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 600 { 601 if (p_tun->vxlan.b_mode_enabled) 602 p_tun->vxlan.b_update_mode = true; 603 if (p_tun->l2_geneve.b_mode_enabled) 604 p_tun->l2_geneve.b_update_mode = true; 605 if (p_tun->ip_geneve.b_mode_enabled) 606 p_tun->ip_geneve.b_update_mode = true; 607 if (p_tun->l2_gre.b_mode_enabled) 608 p_tun->l2_gre.b_update_mode = true; 609 if (p_tun->ip_gre.b_mode_enabled) 610 p_tun->ip_gre.b_update_mode = true; 611 612 p_tun->b_update_rx_cls = true; 613 p_tun->b_update_tx_cls = true; 614 } 615 616 static void 617 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 618 u16 feature_mask, u8 tunn_mode, 619 u8 tunn_cls, enum qed_tunn_mode val) 620 { 621 if (feature_mask & BIT(val)) { 622 p_tun->b_mode_enabled = tunn_mode; 623 p_tun->tun_cls = tunn_cls; 624 } else { 625 p_tun->b_mode_enabled = false; 626 } 627 } 628 629 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 630 struct qed_tunnel_info *p_tun, 631 struct pfvf_update_tunn_param_tlv *p_resp) 632 { 633 /* Update mode and classes provided by PF */ 634 u16 feat_mask = p_resp->tunn_feature_mask; 635 636 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 637 p_resp->vxlan_mode, p_resp->vxlan_clss, 638 QED_MODE_VXLAN_TUNN); 639 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 640 p_resp->l2geneve_mode, 641 p_resp->l2geneve_clss, 642 QED_MODE_L2GENEVE_TUNN); 643 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 644 p_resp->ipgeneve_mode, 645 p_resp->ipgeneve_clss, 646 QED_MODE_IPGENEVE_TUNN); 647 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 648 p_resp->l2gre_mode, p_resp->l2gre_clss, 649 QED_MODE_L2GRE_TUNN); 650 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 651 p_resp->ipgre_mode, p_resp->ipgre_clss, 652 QED_MODE_IPGRE_TUNN); 653 p_tun->geneve_port.port = p_resp->geneve_udp_port; 654 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 655 656 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 657 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 658 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 659 p_tun->ip_geneve.b_mode_enabled, 660 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 661 } 662 663 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 664 struct qed_tunnel_info *p_src) 665 { 666 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 667 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 668 struct pfvf_update_tunn_param_tlv *p_resp; 669 struct vfpf_update_tunn_param_tlv *p_req; 670 int rc; 671 672 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 673 sizeof(*p_req)); 674 675 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 676 p_req->update_tun_cls = 1; 677 678 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 679 &p_req->vxlan_clss, &p_src->vxlan_port, 680 &p_req->update_vxlan_port, 681 &p_req->vxlan_port); 682 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 683 QED_MODE_L2GENEVE_TUNN, 684 &p_req->l2geneve_clss, &p_src->geneve_port, 685 &p_req->update_geneve_port, 686 &p_req->geneve_port); 687 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 688 QED_MODE_IPGENEVE_TUNN, 689 &p_req->ipgeneve_clss); 690 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 691 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 692 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 693 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 694 695 /* add list termination tlv */ 696 qed_add_tlv(p_hwfn, &p_iov->offset, 697 CHANNEL_TLV_LIST_END, 698 sizeof(struct channel_list_end_tlv)); 699 700 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 701 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 702 703 if (rc) 704 goto exit; 705 706 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 707 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 708 "Failed to update tunnel parameters\n"); 709 rc = -EINVAL; 710 } 711 712 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 713 exit: 714 qed_vf_pf_req_end(p_hwfn, rc); 715 return rc; 716 } 717 718 int 719 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 720 struct qed_queue_cid *p_cid, 721 u16 bd_max_bytes, 722 dma_addr_t bd_chain_phys_addr, 723 dma_addr_t cqe_pbl_addr, 724 u16 cqe_pbl_size, void __iomem **pp_prod) 725 { 726 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 727 struct pfvf_start_queue_resp_tlv *resp; 728 struct vfpf_start_rxq_tlv *req; 729 u8 rx_qid = p_cid->rel.queue_id; 730 int rc; 731 732 /* clear mailbox and prep first tlv */ 733 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 734 735 req->rx_qid = rx_qid; 736 req->cqe_pbl_addr = cqe_pbl_addr; 737 req->cqe_pbl_size = cqe_pbl_size; 738 req->rxq_addr = bd_chain_phys_addr; 739 req->hw_sb = p_cid->sb_igu_id; 740 req->sb_index = p_cid->sb_idx; 741 req->bd_max_bytes = bd_max_bytes; 742 req->stat_id = -1; 743 744 /* If PF is legacy, we'll need to calculate producers ourselves 745 * as well as clean them. 746 */ 747 if (p_iov->b_pre_fp_hsi) { 748 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 749 u32 init_prod_val = 0; 750 751 *pp_prod = (u8 __iomem *) 752 p_hwfn->regview + 753 MSTORM_QZONE_START(p_hwfn->cdev) + 754 hw_qid * MSTORM_QZONE_SIZE; 755 756 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 757 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 758 (u32 *)(&init_prod_val)); 759 } 760 761 qed_vf_pf_add_qid(p_hwfn, p_cid); 762 763 /* add list termination tlv */ 764 qed_add_tlv(p_hwfn, &p_iov->offset, 765 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 766 767 resp = &p_iov->pf2vf_reply->queue_start; 768 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 769 if (rc) 770 goto exit; 771 772 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 773 rc = -EINVAL; 774 goto exit; 775 } 776 777 /* Learn the address of the producer from the response */ 778 if (!p_iov->b_pre_fp_hsi) { 779 u32 init_prod_val = 0; 780 781 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 782 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 783 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 784 rx_qid, *pp_prod, resp->offset); 785 786 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 787 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 788 (u32 *)&init_prod_val); 789 } 790 exit: 791 qed_vf_pf_req_end(p_hwfn, rc); 792 793 return rc; 794 } 795 796 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 797 struct qed_queue_cid *p_cid, bool cqe_completion) 798 { 799 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 800 struct vfpf_stop_rxqs_tlv *req; 801 struct pfvf_def_resp_tlv *resp; 802 int rc; 803 804 /* clear mailbox and prep first tlv */ 805 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 806 807 req->rx_qid = p_cid->rel.queue_id; 808 req->num_rxqs = 1; 809 req->cqe_completion = cqe_completion; 810 811 qed_vf_pf_add_qid(p_hwfn, p_cid); 812 813 /* add list termination tlv */ 814 qed_add_tlv(p_hwfn, &p_iov->offset, 815 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 816 817 resp = &p_iov->pf2vf_reply->default_resp; 818 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 819 if (rc) 820 goto exit; 821 822 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 823 rc = -EINVAL; 824 goto exit; 825 } 826 827 exit: 828 qed_vf_pf_req_end(p_hwfn, rc); 829 830 return rc; 831 } 832 833 int 834 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 835 struct qed_queue_cid *p_cid, 836 dma_addr_t pbl_addr, 837 u16 pbl_size, void __iomem **pp_doorbell) 838 { 839 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 840 struct pfvf_start_queue_resp_tlv *resp; 841 struct vfpf_start_txq_tlv *req; 842 u16 qid = p_cid->rel.queue_id; 843 int rc; 844 845 /* clear mailbox and prep first tlv */ 846 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 847 848 req->tx_qid = qid; 849 850 /* Tx */ 851 req->pbl_addr = pbl_addr; 852 req->pbl_size = pbl_size; 853 req->hw_sb = p_cid->sb_igu_id; 854 req->sb_index = p_cid->sb_idx; 855 856 qed_vf_pf_add_qid(p_hwfn, p_cid); 857 858 /* add list termination tlv */ 859 qed_add_tlv(p_hwfn, &p_iov->offset, 860 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 861 862 resp = &p_iov->pf2vf_reply->queue_start; 863 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 864 if (rc) 865 goto exit; 866 867 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 868 rc = -EINVAL; 869 goto exit; 870 } 871 872 /* Modern PFs provide the actual offsets, while legacy 873 * provided only the queue id. 874 */ 875 if (!p_iov->b_pre_fp_hsi) { 876 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 877 } else { 878 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 879 880 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 881 qed_db_addr_vf(cid, 882 DQ_DEMS_LEGACY); 883 } 884 885 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 886 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 887 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 888 exit: 889 qed_vf_pf_req_end(p_hwfn, rc); 890 891 return rc; 892 } 893 894 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 895 { 896 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 897 struct vfpf_stop_txqs_tlv *req; 898 struct pfvf_def_resp_tlv *resp; 899 int rc; 900 901 /* clear mailbox and prep first tlv */ 902 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 903 904 req->tx_qid = p_cid->rel.queue_id; 905 req->num_txqs = 1; 906 907 qed_vf_pf_add_qid(p_hwfn, p_cid); 908 909 /* add list termination tlv */ 910 qed_add_tlv(p_hwfn, &p_iov->offset, 911 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 912 913 resp = &p_iov->pf2vf_reply->default_resp; 914 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 915 if (rc) 916 goto exit; 917 918 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 919 rc = -EINVAL; 920 goto exit; 921 } 922 923 exit: 924 qed_vf_pf_req_end(p_hwfn, rc); 925 926 return rc; 927 } 928 929 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 930 u8 vport_id, 931 u16 mtu, 932 u8 inner_vlan_removal, 933 enum qed_tpa_mode tpa_mode, 934 u8 max_buffers_per_cqe, u8 only_untagged) 935 { 936 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 937 struct vfpf_vport_start_tlv *req; 938 struct pfvf_def_resp_tlv *resp; 939 int rc, i; 940 941 /* clear mailbox and prep first tlv */ 942 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 943 944 req->mtu = mtu; 945 req->vport_id = vport_id; 946 req->inner_vlan_removal = inner_vlan_removal; 947 req->tpa_mode = tpa_mode; 948 req->max_buffers_per_cqe = max_buffers_per_cqe; 949 req->only_untagged = only_untagged; 950 951 /* status blocks */ 952 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 953 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 954 955 if (p_sb) 956 req->sb_addr[i] = p_sb->sb_phys; 957 } 958 959 /* add list termination tlv */ 960 qed_add_tlv(p_hwfn, &p_iov->offset, 961 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 962 963 resp = &p_iov->pf2vf_reply->default_resp; 964 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 965 if (rc) 966 goto exit; 967 968 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 969 rc = -EINVAL; 970 goto exit; 971 } 972 973 exit: 974 qed_vf_pf_req_end(p_hwfn, rc); 975 976 return rc; 977 } 978 979 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 980 { 981 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 982 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 983 int rc; 984 985 /* clear mailbox and prep first tlv */ 986 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 987 sizeof(struct vfpf_first_tlv)); 988 989 /* add list termination tlv */ 990 qed_add_tlv(p_hwfn, &p_iov->offset, 991 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 992 993 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 994 if (rc) 995 goto exit; 996 997 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 998 rc = -EINVAL; 999 goto exit; 1000 } 1001 1002 exit: 1003 qed_vf_pf_req_end(p_hwfn, rc); 1004 1005 return rc; 1006 } 1007 1008 static bool 1009 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1010 struct qed_sp_vport_update_params *p_data, 1011 u16 tlv) 1012 { 1013 switch (tlv) { 1014 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1015 return !!(p_data->update_vport_active_rx_flg || 1016 p_data->update_vport_active_tx_flg); 1017 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1018 return !!p_data->update_tx_switching_flg; 1019 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1020 return !!p_data->update_inner_vlan_removal_flg; 1021 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1022 return !!p_data->update_accept_any_vlan_flg; 1023 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1024 return !!p_data->update_approx_mcast_flg; 1025 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1026 return !!(p_data->accept_flags.update_rx_mode_config || 1027 p_data->accept_flags.update_tx_mode_config); 1028 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1029 return !!p_data->rss_params; 1030 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1031 return !!p_data->sge_tpa_params; 1032 default: 1033 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1034 tlv); 1035 return false; 1036 } 1037 } 1038 1039 static void 1040 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1041 struct qed_sp_vport_update_params *p_data) 1042 { 1043 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1044 struct pfvf_def_resp_tlv *p_resp; 1045 u16 tlv; 1046 1047 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1048 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1049 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1050 continue; 1051 1052 p_resp = (struct pfvf_def_resp_tlv *) 1053 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1054 tlv); 1055 if (p_resp && p_resp->hdr.status) 1056 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1057 "TLV[%d] Configuration %s\n", 1058 tlv, 1059 (p_resp && p_resp->hdr.status) ? "succeeded" 1060 : "failed"); 1061 } 1062 } 1063 1064 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1065 struct qed_sp_vport_update_params *p_params) 1066 { 1067 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1068 struct vfpf_vport_update_tlv *req; 1069 struct pfvf_def_resp_tlv *resp; 1070 u8 update_rx, update_tx; 1071 u32 resp_size = 0; 1072 u16 size, tlv; 1073 int rc; 1074 1075 resp = &p_iov->pf2vf_reply->default_resp; 1076 resp_size = sizeof(*resp); 1077 1078 update_rx = p_params->update_vport_active_rx_flg; 1079 update_tx = p_params->update_vport_active_tx_flg; 1080 1081 /* clear mailbox and prep header tlv */ 1082 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req)); 1083 1084 /* Prepare extended tlvs */ 1085 if (update_rx || update_tx) { 1086 struct vfpf_vport_update_activate_tlv *p_act_tlv; 1087 1088 size = sizeof(struct vfpf_vport_update_activate_tlv); 1089 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1090 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, 1091 size); 1092 resp_size += sizeof(struct pfvf_def_resp_tlv); 1093 1094 if (update_rx) { 1095 p_act_tlv->update_rx = update_rx; 1096 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1097 } 1098 1099 if (update_tx) { 1100 p_act_tlv->update_tx = update_tx; 1101 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1102 } 1103 } 1104 1105 if (p_params->update_tx_switching_flg) { 1106 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1107 1108 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1109 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1110 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1111 tlv, size); 1112 resp_size += sizeof(struct pfvf_def_resp_tlv); 1113 1114 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg; 1115 } 1116 1117 if (p_params->update_approx_mcast_flg) { 1118 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1119 1120 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv); 1121 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1122 CHANNEL_TLV_VPORT_UPDATE_MCAST, size); 1123 resp_size += sizeof(struct pfvf_def_resp_tlv); 1124 1125 memcpy(p_mcast_tlv->bins, p_params->bins, 1126 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1127 } 1128 1129 update_rx = p_params->accept_flags.update_rx_mode_config; 1130 update_tx = p_params->accept_flags.update_tx_mode_config; 1131 1132 if (update_rx || update_tx) { 1133 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1134 1135 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1136 size = sizeof(struct vfpf_vport_update_accept_param_tlv); 1137 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1138 resp_size += sizeof(struct pfvf_def_resp_tlv); 1139 1140 if (update_rx) { 1141 p_accept_tlv->update_rx_mode = update_rx; 1142 p_accept_tlv->rx_accept_filter = 1143 p_params->accept_flags.rx_accept_filter; 1144 } 1145 1146 if (update_tx) { 1147 p_accept_tlv->update_tx_mode = update_tx; 1148 p_accept_tlv->tx_accept_filter = 1149 p_params->accept_flags.tx_accept_filter; 1150 } 1151 } 1152 1153 if (p_params->rss_params) { 1154 struct qed_rss_params *rss_params = p_params->rss_params; 1155 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1156 int i, table_size; 1157 1158 size = sizeof(struct vfpf_vport_update_rss_tlv); 1159 p_rss_tlv = qed_add_tlv(p_hwfn, 1160 &p_iov->offset, 1161 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1162 resp_size += sizeof(struct pfvf_def_resp_tlv); 1163 1164 if (rss_params->update_rss_config) 1165 p_rss_tlv->update_rss_flags |= 1166 VFPF_UPDATE_RSS_CONFIG_FLAG; 1167 if (rss_params->update_rss_capabilities) 1168 p_rss_tlv->update_rss_flags |= 1169 VFPF_UPDATE_RSS_CAPS_FLAG; 1170 if (rss_params->update_rss_ind_table) 1171 p_rss_tlv->update_rss_flags |= 1172 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1173 if (rss_params->update_rss_key) 1174 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1175 1176 p_rss_tlv->rss_enable = rss_params->rss_enable; 1177 p_rss_tlv->rss_caps = rss_params->rss_caps; 1178 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1179 1180 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1181 1 << p_rss_tlv->rss_table_size_log); 1182 for (i = 0; i < table_size; i++) { 1183 struct qed_queue_cid *p_queue; 1184 1185 p_queue = rss_params->rss_ind_table[i]; 1186 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1187 } 1188 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1189 sizeof(rss_params->rss_key)); 1190 } 1191 1192 if (p_params->update_accept_any_vlan_flg) { 1193 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1194 1195 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1196 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1197 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1198 1199 resp_size += sizeof(struct pfvf_def_resp_tlv); 1200 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1201 p_any_vlan_tlv->update_accept_any_vlan_flg = 1202 p_params->update_accept_any_vlan_flg; 1203 } 1204 1205 /* add list termination tlv */ 1206 qed_add_tlv(p_hwfn, &p_iov->offset, 1207 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1208 1209 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size); 1210 if (rc) 1211 goto exit; 1212 1213 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1214 rc = -EINVAL; 1215 goto exit; 1216 } 1217 1218 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1219 1220 exit: 1221 qed_vf_pf_req_end(p_hwfn, rc); 1222 1223 return rc; 1224 } 1225 1226 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1227 { 1228 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1229 struct pfvf_def_resp_tlv *resp; 1230 struct vfpf_first_tlv *req; 1231 int rc; 1232 1233 /* clear mailbox and prep first tlv */ 1234 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1235 1236 /* add list termination tlv */ 1237 qed_add_tlv(p_hwfn, &p_iov->offset, 1238 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1239 1240 resp = &p_iov->pf2vf_reply->default_resp; 1241 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1242 if (rc) 1243 goto exit; 1244 1245 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1246 rc = -EAGAIN; 1247 goto exit; 1248 } 1249 1250 p_hwfn->b_int_enabled = 0; 1251 1252 exit: 1253 qed_vf_pf_req_end(p_hwfn, rc); 1254 1255 return rc; 1256 } 1257 1258 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1259 struct qed_filter_mcast *p_filter_cmd) 1260 { 1261 struct qed_sp_vport_update_params sp_params; 1262 int i; 1263 1264 memset(&sp_params, 0, sizeof(sp_params)); 1265 sp_params.update_approx_mcast_flg = 1; 1266 1267 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1268 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1269 u32 bit; 1270 1271 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1272 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1273 } 1274 } 1275 1276 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1277 } 1278 1279 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1280 struct qed_filter_ucast *p_ucast) 1281 { 1282 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1283 struct vfpf_ucast_filter_tlv *req; 1284 struct pfvf_def_resp_tlv *resp; 1285 int rc; 1286 1287 /* clear mailbox and prep first tlv */ 1288 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1289 req->opcode = (u8)p_ucast->opcode; 1290 req->type = (u8)p_ucast->type; 1291 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1292 req->vlan = p_ucast->vlan; 1293 1294 /* add list termination tlv */ 1295 qed_add_tlv(p_hwfn, &p_iov->offset, 1296 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1297 1298 resp = &p_iov->pf2vf_reply->default_resp; 1299 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1300 if (rc) 1301 goto exit; 1302 1303 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1304 rc = -EAGAIN; 1305 goto exit; 1306 } 1307 1308 exit: 1309 qed_vf_pf_req_end(p_hwfn, rc); 1310 1311 return rc; 1312 } 1313 1314 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1315 { 1316 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1317 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1318 int rc; 1319 1320 /* clear mailbox and prep first tlv */ 1321 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1322 sizeof(struct vfpf_first_tlv)); 1323 1324 /* add list termination tlv */ 1325 qed_add_tlv(p_hwfn, &p_iov->offset, 1326 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1327 1328 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1329 if (rc) 1330 goto exit; 1331 1332 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1333 rc = -EINVAL; 1334 goto exit; 1335 } 1336 1337 exit: 1338 qed_vf_pf_req_end(p_hwfn, rc); 1339 1340 return rc; 1341 } 1342 1343 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1344 u16 *p_coal, struct qed_queue_cid *p_cid) 1345 { 1346 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1347 struct pfvf_read_coal_resp_tlv *resp; 1348 struct vfpf_read_coal_req_tlv *req; 1349 int rc; 1350 1351 /* clear mailbox and prep header tlv */ 1352 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1353 req->qid = p_cid->rel.queue_id; 1354 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1355 1356 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1357 sizeof(struct channel_list_end_tlv)); 1358 resp = &p_iov->pf2vf_reply->read_coal_resp; 1359 1360 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1361 if (rc) 1362 goto exit; 1363 1364 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1365 goto exit; 1366 1367 *p_coal = resp->coal; 1368 exit: 1369 qed_vf_pf_req_end(p_hwfn, rc); 1370 1371 return rc; 1372 } 1373 1374 int 1375 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1376 const u8 *p_mac) 1377 { 1378 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1379 struct vfpf_bulletin_update_mac_tlv *p_req; 1380 struct pfvf_def_resp_tlv *p_resp; 1381 int rc; 1382 1383 if (!p_mac) 1384 return -EINVAL; 1385 1386 /* clear mailbox and prep header tlv */ 1387 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1388 sizeof(*p_req)); 1389 ether_addr_copy(p_req->mac, p_mac); 1390 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1391 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1392 1393 /* add list termination tlv */ 1394 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1395 sizeof(struct channel_list_end_tlv)); 1396 1397 p_resp = &p_iov->pf2vf_reply->default_resp; 1398 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 1399 qed_vf_pf_req_end(p_hwfn, rc); 1400 return rc; 1401 } 1402 1403 int 1404 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1405 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1406 { 1407 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1408 struct vfpf_update_coalesce *req; 1409 struct pfvf_def_resp_tlv *resp; 1410 int rc; 1411 1412 /* clear mailbox and prep header tlv */ 1413 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1414 1415 req->rx_coal = rx_coal; 1416 req->tx_coal = tx_coal; 1417 req->qid = p_cid->rel.queue_id; 1418 1419 DP_VERBOSE(p_hwfn, 1420 QED_MSG_IOV, 1421 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1422 rx_coal, tx_coal, req->qid); 1423 1424 /* add list termination tlv */ 1425 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1426 sizeof(struct channel_list_end_tlv)); 1427 1428 resp = &p_iov->pf2vf_reply->default_resp; 1429 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1430 if (rc) 1431 goto exit; 1432 1433 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1434 goto exit; 1435 1436 if (rx_coal) 1437 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1438 1439 if (tx_coal) 1440 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1441 1442 exit: 1443 qed_vf_pf_req_end(p_hwfn, rc); 1444 return rc; 1445 } 1446 1447 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1448 { 1449 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1450 1451 if (!p_iov) { 1452 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1453 return 0; 1454 } 1455 1456 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1457 } 1458 1459 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1460 u16 sb_id, struct qed_sb_info *p_sb) 1461 { 1462 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1463 1464 if (!p_iov) { 1465 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1466 return; 1467 } 1468 1469 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1470 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1471 return; 1472 } 1473 1474 p_iov->sbs_info[sb_id] = p_sb; 1475 } 1476 1477 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1478 { 1479 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1480 struct qed_bulletin_content shadow; 1481 u32 crc, crc_size; 1482 1483 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1484 *p_change = 0; 1485 1486 /* Need to guarantee PF is not in the middle of writing it */ 1487 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1488 1489 /* If version did not update, no need to do anything */ 1490 if (shadow.version == p_iov->bulletin_shadow.version) 1491 return 0; 1492 1493 /* Verify the bulletin we see is valid */ 1494 crc = crc32(0, (u8 *)&shadow + crc_size, 1495 p_iov->bulletin.size - crc_size); 1496 if (crc != shadow.crc) 1497 return -EAGAIN; 1498 1499 /* Set the shadow bulletin and process it */ 1500 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1501 1502 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1503 "Read a bulletin update %08x\n", shadow.version); 1504 1505 *p_change = 1; 1506 1507 return 0; 1508 } 1509 1510 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1511 struct qed_mcp_link_params *p_params, 1512 struct qed_bulletin_content *p_bulletin) 1513 { 1514 memset(p_params, 0, sizeof(*p_params)); 1515 1516 p_params->speed.autoneg = p_bulletin->req_autoneg; 1517 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1518 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1519 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1520 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1521 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1522 p_params->loopback_mode = p_bulletin->req_loopback; 1523 } 1524 1525 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1526 struct qed_mcp_link_params *params) 1527 { 1528 __qed_vf_get_link_params(p_hwfn, params, 1529 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1530 } 1531 1532 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1533 struct qed_mcp_link_state *p_link, 1534 struct qed_bulletin_content *p_bulletin) 1535 { 1536 memset(p_link, 0, sizeof(*p_link)); 1537 1538 p_link->link_up = p_bulletin->link_up; 1539 p_link->speed = p_bulletin->speed; 1540 p_link->full_duplex = p_bulletin->full_duplex; 1541 p_link->an = p_bulletin->autoneg; 1542 p_link->an_complete = p_bulletin->autoneg_complete; 1543 p_link->parallel_detection = p_bulletin->parallel_detection; 1544 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1545 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1546 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1547 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1548 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1549 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1550 } 1551 1552 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1553 struct qed_mcp_link_state *link) 1554 { 1555 __qed_vf_get_link_state(p_hwfn, link, 1556 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1557 } 1558 1559 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1560 struct qed_mcp_link_capabilities *p_link_caps, 1561 struct qed_bulletin_content *p_bulletin) 1562 { 1563 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1564 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1565 } 1566 1567 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1568 struct qed_mcp_link_capabilities *p_link_caps) 1569 { 1570 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1571 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1572 } 1573 1574 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1575 { 1576 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1577 } 1578 1579 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1580 { 1581 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1582 } 1583 1584 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1585 { 1586 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1587 } 1588 1589 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1590 { 1591 memcpy(port_mac, 1592 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1593 } 1594 1595 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1596 { 1597 struct qed_vf_iov *p_vf; 1598 1599 p_vf = p_hwfn->vf_iov_info; 1600 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1601 } 1602 1603 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1604 { 1605 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1606 1607 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1608 } 1609 1610 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1611 { 1612 struct qed_bulletin_content *bulletin; 1613 1614 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1615 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1616 return true; 1617 1618 /* Forbid VF from changing a MAC enforced by PF */ 1619 if (ether_addr_equal(bulletin->mac, mac)) 1620 return false; 1621 1622 return false; 1623 } 1624 1625 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1626 u8 *dst_mac, u8 *p_is_forced) 1627 { 1628 struct qed_bulletin_content *bulletin; 1629 1630 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1631 1632 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1633 if (p_is_forced) 1634 *p_is_forced = 1; 1635 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1636 if (p_is_forced) 1637 *p_is_forced = 0; 1638 } else { 1639 return false; 1640 } 1641 1642 ether_addr_copy(dst_mac, bulletin->mac); 1643 1644 return true; 1645 } 1646 1647 static void 1648 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1649 u16 *p_vxlan_port, u16 *p_geneve_port) 1650 { 1651 struct qed_bulletin_content *p_bulletin; 1652 1653 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1654 1655 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1656 *p_geneve_port = p_bulletin->geneve_udp_port; 1657 } 1658 1659 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1660 u16 *fw_major, u16 *fw_minor, 1661 u16 *fw_rev, u16 *fw_eng) 1662 { 1663 struct pf_vf_pfdev_info *info; 1664 1665 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1666 1667 *fw_major = info->fw_major; 1668 *fw_minor = info->fw_minor; 1669 *fw_rev = info->fw_rev; 1670 *fw_eng = info->fw_eng; 1671 } 1672 1673 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1674 { 1675 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1676 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1677 void *cookie = hwfn->cdev->ops_cookie; 1678 u16 vxlan_port, geneve_port; 1679 1680 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1681 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1682 &is_mac_forced); 1683 if (is_mac_exist && cookie) 1684 ops->force_mac(cookie, mac, !!is_mac_forced); 1685 1686 ops->ports_update(cookie, vxlan_port, geneve_port); 1687 1688 /* Always update link configuration according to bulletin */ 1689 qed_link_update(hwfn, NULL); 1690 } 1691 1692 void qed_iov_vf_task(struct work_struct *work) 1693 { 1694 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1695 iov_task.work); 1696 u8 change = 0; 1697 1698 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1699 return; 1700 1701 /* Handle bulletin board changes */ 1702 qed_vf_read_bulletin(hwfn, &change); 1703 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1704 &hwfn->iov_task_flags)) 1705 change = 1; 1706 if (change) 1707 qed_handle_bulletin_change(hwfn); 1708 1709 /* As VF is polling bulletin board, need to constantly re-schedule */ 1710 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1711 } 1712