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 Requst 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 overriden 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 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 565 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 566 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 567 568 static void 569 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 570 struct qed_tunn_update_type *p_src, 571 enum qed_tunn_mode mask, u8 *p_cls) 572 { 573 if (p_src->b_update_mode) { 574 p_req->tun_mode_update_mask |= BIT(mask); 575 576 if (p_src->b_mode_enabled) 577 p_req->tunn_mode |= BIT(mask); 578 } 579 580 *p_cls = p_src->tun_cls; 581 } 582 583 static void 584 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 585 struct qed_tunn_update_type *p_src, 586 enum qed_tunn_mode mask, 587 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 588 u8 *p_update_port, u16 *p_udp_port) 589 { 590 if (p_port->b_update_port) { 591 *p_update_port = 1; 592 *p_udp_port = p_port->port; 593 } 594 595 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 596 } 597 598 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 599 { 600 if (p_tun->vxlan.b_mode_enabled) 601 p_tun->vxlan.b_update_mode = true; 602 if (p_tun->l2_geneve.b_mode_enabled) 603 p_tun->l2_geneve.b_update_mode = true; 604 if (p_tun->ip_geneve.b_mode_enabled) 605 p_tun->ip_geneve.b_update_mode = true; 606 if (p_tun->l2_gre.b_mode_enabled) 607 p_tun->l2_gre.b_update_mode = true; 608 if (p_tun->ip_gre.b_mode_enabled) 609 p_tun->ip_gre.b_update_mode = true; 610 611 p_tun->b_update_rx_cls = true; 612 p_tun->b_update_tx_cls = true; 613 } 614 615 static void 616 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 617 u16 feature_mask, u8 tunn_mode, 618 u8 tunn_cls, enum qed_tunn_mode val) 619 { 620 if (feature_mask & BIT(val)) { 621 p_tun->b_mode_enabled = tunn_mode; 622 p_tun->tun_cls = tunn_cls; 623 } else { 624 p_tun->b_mode_enabled = false; 625 } 626 } 627 628 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 629 struct qed_tunnel_info *p_tun, 630 struct pfvf_update_tunn_param_tlv *p_resp) 631 { 632 /* Update mode and classes provided by PF */ 633 u16 feat_mask = p_resp->tunn_feature_mask; 634 635 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 636 p_resp->vxlan_mode, p_resp->vxlan_clss, 637 QED_MODE_VXLAN_TUNN); 638 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 639 p_resp->l2geneve_mode, 640 p_resp->l2geneve_clss, 641 QED_MODE_L2GENEVE_TUNN); 642 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 643 p_resp->ipgeneve_mode, 644 p_resp->ipgeneve_clss, 645 QED_MODE_IPGENEVE_TUNN); 646 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 647 p_resp->l2gre_mode, p_resp->l2gre_clss, 648 QED_MODE_L2GRE_TUNN); 649 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 650 p_resp->ipgre_mode, p_resp->ipgre_clss, 651 QED_MODE_IPGRE_TUNN); 652 p_tun->geneve_port.port = p_resp->geneve_udp_port; 653 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 654 655 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 656 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 657 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 658 p_tun->ip_geneve.b_mode_enabled, 659 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 660 } 661 662 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 663 struct qed_tunnel_info *p_src) 664 { 665 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 666 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 667 struct pfvf_update_tunn_param_tlv *p_resp; 668 struct vfpf_update_tunn_param_tlv *p_req; 669 int rc; 670 671 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 672 sizeof(*p_req)); 673 674 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 675 p_req->update_tun_cls = 1; 676 677 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 678 &p_req->vxlan_clss, &p_src->vxlan_port, 679 &p_req->update_vxlan_port, 680 &p_req->vxlan_port); 681 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 682 QED_MODE_L2GENEVE_TUNN, 683 &p_req->l2geneve_clss, &p_src->geneve_port, 684 &p_req->update_geneve_port, 685 &p_req->geneve_port); 686 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 687 QED_MODE_IPGENEVE_TUNN, 688 &p_req->ipgeneve_clss); 689 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 690 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 691 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 692 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 693 694 /* add list termination tlv */ 695 qed_add_tlv(p_hwfn, &p_iov->offset, 696 CHANNEL_TLV_LIST_END, 697 sizeof(struct channel_list_end_tlv)); 698 699 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 700 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 701 702 if (rc) 703 goto exit; 704 705 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 706 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 707 "Failed to update tunnel parameters\n"); 708 rc = -EINVAL; 709 } 710 711 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 712 exit: 713 qed_vf_pf_req_end(p_hwfn, rc); 714 return rc; 715 } 716 717 int 718 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 719 struct qed_queue_cid *p_cid, 720 u16 bd_max_bytes, 721 dma_addr_t bd_chain_phys_addr, 722 dma_addr_t cqe_pbl_addr, 723 u16 cqe_pbl_size, void __iomem **pp_prod) 724 { 725 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 726 struct pfvf_start_queue_resp_tlv *resp; 727 struct vfpf_start_rxq_tlv *req; 728 u8 rx_qid = p_cid->rel.queue_id; 729 int rc; 730 731 /* clear mailbox and prep first tlv */ 732 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 733 734 req->rx_qid = rx_qid; 735 req->cqe_pbl_addr = cqe_pbl_addr; 736 req->cqe_pbl_size = cqe_pbl_size; 737 req->rxq_addr = bd_chain_phys_addr; 738 req->hw_sb = p_cid->sb_igu_id; 739 req->sb_index = p_cid->sb_idx; 740 req->bd_max_bytes = bd_max_bytes; 741 req->stat_id = -1; 742 743 /* If PF is legacy, we'll need to calculate producers ourselves 744 * as well as clean them. 745 */ 746 if (p_iov->b_pre_fp_hsi) { 747 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 748 u32 init_prod_val = 0; 749 750 *pp_prod = (u8 __iomem *) 751 p_hwfn->regview + 752 MSTORM_QZONE_START(p_hwfn->cdev) + 753 hw_qid * MSTORM_QZONE_SIZE; 754 755 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 756 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 757 (u32 *)(&init_prod_val)); 758 } 759 760 qed_vf_pf_add_qid(p_hwfn, p_cid); 761 762 /* add list termination tlv */ 763 qed_add_tlv(p_hwfn, &p_iov->offset, 764 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 765 766 resp = &p_iov->pf2vf_reply->queue_start; 767 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 768 if (rc) 769 goto exit; 770 771 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 772 rc = -EINVAL; 773 goto exit; 774 } 775 776 /* Learn the address of the producer from the response */ 777 if (!p_iov->b_pre_fp_hsi) { 778 u32 init_prod_val = 0; 779 780 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 781 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 782 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 783 rx_qid, *pp_prod, resp->offset); 784 785 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 786 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 787 (u32 *)&init_prod_val); 788 } 789 exit: 790 qed_vf_pf_req_end(p_hwfn, rc); 791 792 return rc; 793 } 794 795 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 796 struct qed_queue_cid *p_cid, bool cqe_completion) 797 { 798 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 799 struct vfpf_stop_rxqs_tlv *req; 800 struct pfvf_def_resp_tlv *resp; 801 int rc; 802 803 /* clear mailbox and prep first tlv */ 804 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 805 806 req->rx_qid = p_cid->rel.queue_id; 807 req->num_rxqs = 1; 808 req->cqe_completion = cqe_completion; 809 810 qed_vf_pf_add_qid(p_hwfn, p_cid); 811 812 /* add list termination tlv */ 813 qed_add_tlv(p_hwfn, &p_iov->offset, 814 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 815 816 resp = &p_iov->pf2vf_reply->default_resp; 817 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 818 if (rc) 819 goto exit; 820 821 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 822 rc = -EINVAL; 823 goto exit; 824 } 825 826 exit: 827 qed_vf_pf_req_end(p_hwfn, rc); 828 829 return rc; 830 } 831 832 int 833 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 834 struct qed_queue_cid *p_cid, 835 dma_addr_t pbl_addr, 836 u16 pbl_size, void __iomem **pp_doorbell) 837 { 838 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 839 struct pfvf_start_queue_resp_tlv *resp; 840 struct vfpf_start_txq_tlv *req; 841 u16 qid = p_cid->rel.queue_id; 842 int rc; 843 844 /* clear mailbox and prep first tlv */ 845 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 846 847 req->tx_qid = qid; 848 849 /* Tx */ 850 req->pbl_addr = pbl_addr; 851 req->pbl_size = pbl_size; 852 req->hw_sb = p_cid->sb_igu_id; 853 req->sb_index = p_cid->sb_idx; 854 855 qed_vf_pf_add_qid(p_hwfn, p_cid); 856 857 /* add list termination tlv */ 858 qed_add_tlv(p_hwfn, &p_iov->offset, 859 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 860 861 resp = &p_iov->pf2vf_reply->queue_start; 862 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 863 if (rc) 864 goto exit; 865 866 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 867 rc = -EINVAL; 868 goto exit; 869 } 870 871 /* Modern PFs provide the actual offsets, while legacy 872 * provided only the queue id. 873 */ 874 if (!p_iov->b_pre_fp_hsi) { 875 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 876 } else { 877 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 878 879 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 880 qed_db_addr_vf(cid, 881 DQ_DEMS_LEGACY); 882 } 883 884 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 885 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 886 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 887 exit: 888 qed_vf_pf_req_end(p_hwfn, rc); 889 890 return rc; 891 } 892 893 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 894 { 895 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 896 struct vfpf_stop_txqs_tlv *req; 897 struct pfvf_def_resp_tlv *resp; 898 int rc; 899 900 /* clear mailbox and prep first tlv */ 901 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 902 903 req->tx_qid = p_cid->rel.queue_id; 904 req->num_txqs = 1; 905 906 qed_vf_pf_add_qid(p_hwfn, p_cid); 907 908 /* add list termination tlv */ 909 qed_add_tlv(p_hwfn, &p_iov->offset, 910 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 911 912 resp = &p_iov->pf2vf_reply->default_resp; 913 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 914 if (rc) 915 goto exit; 916 917 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 918 rc = -EINVAL; 919 goto exit; 920 } 921 922 exit: 923 qed_vf_pf_req_end(p_hwfn, rc); 924 925 return rc; 926 } 927 928 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 929 u8 vport_id, 930 u16 mtu, 931 u8 inner_vlan_removal, 932 enum qed_tpa_mode tpa_mode, 933 u8 max_buffers_per_cqe, u8 only_untagged) 934 { 935 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 936 struct vfpf_vport_start_tlv *req; 937 struct pfvf_def_resp_tlv *resp; 938 int rc, i; 939 940 /* clear mailbox and prep first tlv */ 941 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 942 943 req->mtu = mtu; 944 req->vport_id = vport_id; 945 req->inner_vlan_removal = inner_vlan_removal; 946 req->tpa_mode = tpa_mode; 947 req->max_buffers_per_cqe = max_buffers_per_cqe; 948 req->only_untagged = only_untagged; 949 950 /* status blocks */ 951 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 952 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 953 954 if (p_sb) 955 req->sb_addr[i] = p_sb->sb_phys; 956 } 957 958 /* add list termination tlv */ 959 qed_add_tlv(p_hwfn, &p_iov->offset, 960 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 961 962 resp = &p_iov->pf2vf_reply->default_resp; 963 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 964 if (rc) 965 goto exit; 966 967 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 968 rc = -EINVAL; 969 goto exit; 970 } 971 972 exit: 973 qed_vf_pf_req_end(p_hwfn, rc); 974 975 return rc; 976 } 977 978 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 979 { 980 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 981 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 982 int rc; 983 984 /* clear mailbox and prep first tlv */ 985 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 986 sizeof(struct vfpf_first_tlv)); 987 988 /* add list termination tlv */ 989 qed_add_tlv(p_hwfn, &p_iov->offset, 990 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 991 992 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 993 if (rc) 994 goto exit; 995 996 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 997 rc = -EINVAL; 998 goto exit; 999 } 1000 1001 exit: 1002 qed_vf_pf_req_end(p_hwfn, rc); 1003 1004 return rc; 1005 } 1006 1007 static bool 1008 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1009 struct qed_sp_vport_update_params *p_data, 1010 u16 tlv) 1011 { 1012 switch (tlv) { 1013 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1014 return !!(p_data->update_vport_active_rx_flg || 1015 p_data->update_vport_active_tx_flg); 1016 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1017 return !!p_data->update_tx_switching_flg; 1018 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1019 return !!p_data->update_inner_vlan_removal_flg; 1020 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1021 return !!p_data->update_accept_any_vlan_flg; 1022 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1023 return !!p_data->update_approx_mcast_flg; 1024 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1025 return !!(p_data->accept_flags.update_rx_mode_config || 1026 p_data->accept_flags.update_tx_mode_config); 1027 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1028 return !!p_data->rss_params; 1029 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1030 return !!p_data->sge_tpa_params; 1031 default: 1032 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1033 tlv); 1034 return false; 1035 } 1036 } 1037 1038 static void 1039 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1040 struct qed_sp_vport_update_params *p_data) 1041 { 1042 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1043 struct pfvf_def_resp_tlv *p_resp; 1044 u16 tlv; 1045 1046 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1047 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1048 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1049 continue; 1050 1051 p_resp = (struct pfvf_def_resp_tlv *) 1052 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1053 tlv); 1054 if (p_resp && p_resp->hdr.status) 1055 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1056 "TLV[%d] Configuration %s\n", 1057 tlv, 1058 (p_resp && p_resp->hdr.status) ? "succeeded" 1059 : "failed"); 1060 } 1061 } 1062 1063 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1064 struct qed_sp_vport_update_params *p_params) 1065 { 1066 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1067 struct vfpf_vport_update_tlv *req; 1068 struct pfvf_def_resp_tlv *resp; 1069 u8 update_rx, update_tx; 1070 u32 resp_size = 0; 1071 u16 size, tlv; 1072 int rc; 1073 1074 resp = &p_iov->pf2vf_reply->default_resp; 1075 resp_size = sizeof(*resp); 1076 1077 update_rx = p_params->update_vport_active_rx_flg; 1078 update_tx = p_params->update_vport_active_tx_flg; 1079 1080 /* clear mailbox and prep header tlv */ 1081 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req)); 1082 1083 /* Prepare extended tlvs */ 1084 if (update_rx || update_tx) { 1085 struct vfpf_vport_update_activate_tlv *p_act_tlv; 1086 1087 size = sizeof(struct vfpf_vport_update_activate_tlv); 1088 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1089 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, 1090 size); 1091 resp_size += sizeof(struct pfvf_def_resp_tlv); 1092 1093 if (update_rx) { 1094 p_act_tlv->update_rx = update_rx; 1095 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1096 } 1097 1098 if (update_tx) { 1099 p_act_tlv->update_tx = update_tx; 1100 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1101 } 1102 } 1103 1104 if (p_params->update_tx_switching_flg) { 1105 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1106 1107 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1108 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1109 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1110 tlv, size); 1111 resp_size += sizeof(struct pfvf_def_resp_tlv); 1112 1113 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg; 1114 } 1115 1116 if (p_params->update_approx_mcast_flg) { 1117 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1118 1119 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv); 1120 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1121 CHANNEL_TLV_VPORT_UPDATE_MCAST, size); 1122 resp_size += sizeof(struct pfvf_def_resp_tlv); 1123 1124 memcpy(p_mcast_tlv->bins, p_params->bins, 1125 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1126 } 1127 1128 update_rx = p_params->accept_flags.update_rx_mode_config; 1129 update_tx = p_params->accept_flags.update_tx_mode_config; 1130 1131 if (update_rx || update_tx) { 1132 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1133 1134 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1135 size = sizeof(struct vfpf_vport_update_accept_param_tlv); 1136 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1137 resp_size += sizeof(struct pfvf_def_resp_tlv); 1138 1139 if (update_rx) { 1140 p_accept_tlv->update_rx_mode = update_rx; 1141 p_accept_tlv->rx_accept_filter = 1142 p_params->accept_flags.rx_accept_filter; 1143 } 1144 1145 if (update_tx) { 1146 p_accept_tlv->update_tx_mode = update_tx; 1147 p_accept_tlv->tx_accept_filter = 1148 p_params->accept_flags.tx_accept_filter; 1149 } 1150 } 1151 1152 if (p_params->rss_params) { 1153 struct qed_rss_params *rss_params = p_params->rss_params; 1154 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1155 int i, table_size; 1156 1157 size = sizeof(struct vfpf_vport_update_rss_tlv); 1158 p_rss_tlv = qed_add_tlv(p_hwfn, 1159 &p_iov->offset, 1160 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1161 resp_size += sizeof(struct pfvf_def_resp_tlv); 1162 1163 if (rss_params->update_rss_config) 1164 p_rss_tlv->update_rss_flags |= 1165 VFPF_UPDATE_RSS_CONFIG_FLAG; 1166 if (rss_params->update_rss_capabilities) 1167 p_rss_tlv->update_rss_flags |= 1168 VFPF_UPDATE_RSS_CAPS_FLAG; 1169 if (rss_params->update_rss_ind_table) 1170 p_rss_tlv->update_rss_flags |= 1171 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1172 if (rss_params->update_rss_key) 1173 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1174 1175 p_rss_tlv->rss_enable = rss_params->rss_enable; 1176 p_rss_tlv->rss_caps = rss_params->rss_caps; 1177 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1178 1179 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1180 1 << p_rss_tlv->rss_table_size_log); 1181 for (i = 0; i < table_size; i++) { 1182 struct qed_queue_cid *p_queue; 1183 1184 p_queue = rss_params->rss_ind_table[i]; 1185 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1186 } 1187 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1188 sizeof(rss_params->rss_key)); 1189 } 1190 1191 if (p_params->update_accept_any_vlan_flg) { 1192 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1193 1194 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1195 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1196 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1197 1198 resp_size += sizeof(struct pfvf_def_resp_tlv); 1199 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1200 p_any_vlan_tlv->update_accept_any_vlan_flg = 1201 p_params->update_accept_any_vlan_flg; 1202 } 1203 1204 /* add list termination tlv */ 1205 qed_add_tlv(p_hwfn, &p_iov->offset, 1206 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1207 1208 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size); 1209 if (rc) 1210 goto exit; 1211 1212 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1213 rc = -EINVAL; 1214 goto exit; 1215 } 1216 1217 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1218 1219 exit: 1220 qed_vf_pf_req_end(p_hwfn, rc); 1221 1222 return rc; 1223 } 1224 1225 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1226 { 1227 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1228 struct pfvf_def_resp_tlv *resp; 1229 struct vfpf_first_tlv *req; 1230 int rc; 1231 1232 /* clear mailbox and prep first tlv */ 1233 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1234 1235 /* add list termination tlv */ 1236 qed_add_tlv(p_hwfn, &p_iov->offset, 1237 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1238 1239 resp = &p_iov->pf2vf_reply->default_resp; 1240 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1241 if (rc) 1242 goto exit; 1243 1244 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1245 rc = -EAGAIN; 1246 goto exit; 1247 } 1248 1249 p_hwfn->b_int_enabled = 0; 1250 1251 exit: 1252 qed_vf_pf_req_end(p_hwfn, rc); 1253 1254 return rc; 1255 } 1256 1257 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1258 struct qed_filter_mcast *p_filter_cmd) 1259 { 1260 struct qed_sp_vport_update_params sp_params; 1261 int i; 1262 1263 memset(&sp_params, 0, sizeof(sp_params)); 1264 sp_params.update_approx_mcast_flg = 1; 1265 1266 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1267 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1268 u32 bit; 1269 1270 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1271 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1272 } 1273 } 1274 1275 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1276 } 1277 1278 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1279 struct qed_filter_ucast *p_ucast) 1280 { 1281 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1282 struct vfpf_ucast_filter_tlv *req; 1283 struct pfvf_def_resp_tlv *resp; 1284 int rc; 1285 1286 /* clear mailbox and prep first tlv */ 1287 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1288 req->opcode = (u8) p_ucast->opcode; 1289 req->type = (u8) p_ucast->type; 1290 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1291 req->vlan = p_ucast->vlan; 1292 1293 /* add list termination tlv */ 1294 qed_add_tlv(p_hwfn, &p_iov->offset, 1295 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1296 1297 resp = &p_iov->pf2vf_reply->default_resp; 1298 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1299 if (rc) 1300 goto exit; 1301 1302 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1303 rc = -EAGAIN; 1304 goto exit; 1305 } 1306 1307 exit: 1308 qed_vf_pf_req_end(p_hwfn, rc); 1309 1310 return rc; 1311 } 1312 1313 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1314 { 1315 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1316 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1317 int rc; 1318 1319 /* clear mailbox and prep first tlv */ 1320 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1321 sizeof(struct vfpf_first_tlv)); 1322 1323 /* add list termination tlv */ 1324 qed_add_tlv(p_hwfn, &p_iov->offset, 1325 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1326 1327 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1328 if (rc) 1329 goto exit; 1330 1331 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1332 rc = -EINVAL; 1333 goto exit; 1334 } 1335 1336 exit: 1337 qed_vf_pf_req_end(p_hwfn, rc); 1338 1339 return rc; 1340 } 1341 1342 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1343 u16 *p_coal, struct qed_queue_cid *p_cid) 1344 { 1345 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1346 struct pfvf_read_coal_resp_tlv *resp; 1347 struct vfpf_read_coal_req_tlv *req; 1348 int rc; 1349 1350 /* clear mailbox and prep header tlv */ 1351 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1352 req->qid = p_cid->rel.queue_id; 1353 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1354 1355 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1356 sizeof(struct channel_list_end_tlv)); 1357 resp = &p_iov->pf2vf_reply->read_coal_resp; 1358 1359 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1360 if (rc) 1361 goto exit; 1362 1363 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1364 goto exit; 1365 1366 *p_coal = resp->coal; 1367 exit: 1368 qed_vf_pf_req_end(p_hwfn, rc); 1369 1370 return rc; 1371 } 1372 1373 int 1374 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1375 u8 *p_mac) 1376 { 1377 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1378 struct vfpf_bulletin_update_mac_tlv *p_req; 1379 struct pfvf_def_resp_tlv *p_resp; 1380 int rc; 1381 1382 if (!p_mac) 1383 return -EINVAL; 1384 1385 /* clear mailbox and prep header tlv */ 1386 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1387 sizeof(*p_req)); 1388 ether_addr_copy(p_req->mac, p_mac); 1389 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1390 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1391 1392 /* add list termination tlv */ 1393 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1394 sizeof(struct channel_list_end_tlv)); 1395 1396 p_resp = &p_iov->pf2vf_reply->default_resp; 1397 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 1398 qed_vf_pf_req_end(p_hwfn, rc); 1399 return rc; 1400 } 1401 1402 int 1403 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1404 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1405 { 1406 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1407 struct vfpf_update_coalesce *req; 1408 struct pfvf_def_resp_tlv *resp; 1409 int rc; 1410 1411 /* clear mailbox and prep header tlv */ 1412 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1413 1414 req->rx_coal = rx_coal; 1415 req->tx_coal = tx_coal; 1416 req->qid = p_cid->rel.queue_id; 1417 1418 DP_VERBOSE(p_hwfn, 1419 QED_MSG_IOV, 1420 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1421 rx_coal, tx_coal, req->qid); 1422 1423 /* add list termination tlv */ 1424 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1425 sizeof(struct channel_list_end_tlv)); 1426 1427 resp = &p_iov->pf2vf_reply->default_resp; 1428 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1429 if (rc) 1430 goto exit; 1431 1432 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1433 goto exit; 1434 1435 if (rx_coal) 1436 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1437 1438 if (tx_coal) 1439 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1440 1441 exit: 1442 qed_vf_pf_req_end(p_hwfn, rc); 1443 return rc; 1444 } 1445 1446 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1447 { 1448 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1449 1450 if (!p_iov) { 1451 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1452 return 0; 1453 } 1454 1455 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1456 } 1457 1458 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1459 u16 sb_id, struct qed_sb_info *p_sb) 1460 { 1461 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1462 1463 if (!p_iov) { 1464 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1465 return; 1466 } 1467 1468 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1469 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1470 return; 1471 } 1472 1473 p_iov->sbs_info[sb_id] = p_sb; 1474 } 1475 1476 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1477 { 1478 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1479 struct qed_bulletin_content shadow; 1480 u32 crc, crc_size; 1481 1482 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1483 *p_change = 0; 1484 1485 /* Need to guarantee PF is not in the middle of writing it */ 1486 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1487 1488 /* If version did not update, no need to do anything */ 1489 if (shadow.version == p_iov->bulletin_shadow.version) 1490 return 0; 1491 1492 /* Verify the bulletin we see is valid */ 1493 crc = crc32(0, (u8 *)&shadow + crc_size, 1494 p_iov->bulletin.size - crc_size); 1495 if (crc != shadow.crc) 1496 return -EAGAIN; 1497 1498 /* Set the shadow bulletin and process it */ 1499 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1500 1501 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1502 "Read a bulletin update %08x\n", shadow.version); 1503 1504 *p_change = 1; 1505 1506 return 0; 1507 } 1508 1509 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1510 struct qed_mcp_link_params *p_params, 1511 struct qed_bulletin_content *p_bulletin) 1512 { 1513 memset(p_params, 0, sizeof(*p_params)); 1514 1515 p_params->speed.autoneg = p_bulletin->req_autoneg; 1516 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1517 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1518 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1519 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1520 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1521 p_params->loopback_mode = p_bulletin->req_loopback; 1522 } 1523 1524 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1525 struct qed_mcp_link_params *params) 1526 { 1527 __qed_vf_get_link_params(p_hwfn, params, 1528 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1529 } 1530 1531 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1532 struct qed_mcp_link_state *p_link, 1533 struct qed_bulletin_content *p_bulletin) 1534 { 1535 memset(p_link, 0, sizeof(*p_link)); 1536 1537 p_link->link_up = p_bulletin->link_up; 1538 p_link->speed = p_bulletin->speed; 1539 p_link->full_duplex = p_bulletin->full_duplex; 1540 p_link->an = p_bulletin->autoneg; 1541 p_link->an_complete = p_bulletin->autoneg_complete; 1542 p_link->parallel_detection = p_bulletin->parallel_detection; 1543 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1544 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1545 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1546 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1547 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1548 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1549 } 1550 1551 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1552 struct qed_mcp_link_state *link) 1553 { 1554 __qed_vf_get_link_state(p_hwfn, link, 1555 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1556 } 1557 1558 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1559 struct qed_mcp_link_capabilities *p_link_caps, 1560 struct qed_bulletin_content *p_bulletin) 1561 { 1562 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1563 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1564 } 1565 1566 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1567 struct qed_mcp_link_capabilities *p_link_caps) 1568 { 1569 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1570 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1571 } 1572 1573 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1574 { 1575 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1576 } 1577 1578 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1579 { 1580 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1581 } 1582 1583 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1584 { 1585 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1586 } 1587 1588 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1589 { 1590 memcpy(port_mac, 1591 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1592 } 1593 1594 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1595 { 1596 struct qed_vf_iov *p_vf; 1597 1598 p_vf = p_hwfn->vf_iov_info; 1599 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1600 } 1601 1602 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1603 { 1604 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1605 1606 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1607 } 1608 1609 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1610 { 1611 struct qed_bulletin_content *bulletin; 1612 1613 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1614 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1615 return true; 1616 1617 /* Forbid VF from changing a MAC enforced by PF */ 1618 if (ether_addr_equal(bulletin->mac, mac)) 1619 return false; 1620 1621 return false; 1622 } 1623 1624 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1625 u8 *dst_mac, u8 *p_is_forced) 1626 { 1627 struct qed_bulletin_content *bulletin; 1628 1629 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1630 1631 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1632 if (p_is_forced) 1633 *p_is_forced = 1; 1634 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1635 if (p_is_forced) 1636 *p_is_forced = 0; 1637 } else { 1638 return false; 1639 } 1640 1641 ether_addr_copy(dst_mac, bulletin->mac); 1642 1643 return true; 1644 } 1645 1646 static void 1647 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1648 u16 *p_vxlan_port, u16 *p_geneve_port) 1649 { 1650 struct qed_bulletin_content *p_bulletin; 1651 1652 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1653 1654 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1655 *p_geneve_port = p_bulletin->geneve_udp_port; 1656 } 1657 1658 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1659 u16 *fw_major, u16 *fw_minor, 1660 u16 *fw_rev, u16 *fw_eng) 1661 { 1662 struct pf_vf_pfdev_info *info; 1663 1664 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1665 1666 *fw_major = info->fw_major; 1667 *fw_minor = info->fw_minor; 1668 *fw_rev = info->fw_rev; 1669 *fw_eng = info->fw_eng; 1670 } 1671 1672 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1673 { 1674 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1675 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1676 void *cookie = hwfn->cdev->ops_cookie; 1677 u16 vxlan_port, geneve_port; 1678 1679 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1680 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1681 &is_mac_forced); 1682 if (is_mac_exist && cookie) 1683 ops->force_mac(cookie, mac, !!is_mac_forced); 1684 1685 ops->ports_update(cookie, vxlan_port, geneve_port); 1686 1687 /* Always update link configuration according to bulletin */ 1688 qed_link_update(hwfn, NULL); 1689 } 1690 1691 void qed_iov_vf_task(struct work_struct *work) 1692 { 1693 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1694 iov_task.work); 1695 u8 change = 0; 1696 1697 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1698 return; 1699 1700 /* Handle bulletin board changes */ 1701 qed_vf_read_bulletin(hwfn, &change); 1702 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1703 &hwfn->iov_task_flags)) 1704 change = 1; 1705 if (change) 1706 qed_handle_bulletin_change(hwfn); 1707 1708 /* As VF is polling bulletin board, need to constantly re-schedule */ 1709 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1710 } 1711