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 13static 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 47static 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 63static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done) 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 /* Send TLVs over HW channel */ 76 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone)); 77 trigger.vf_pf_msg_valid = 1; 78 79 DP_VERBOSE(p_hwfn, 80 QED_MSG_IOV, 81 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n", 82 GET_FIELD(p_hwfn->hw_info.concrete_fid, 83 PXP_CONCRETE_FID_PFID), 84 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 85 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 86 &zone_data->non_trigger.vf_pf_msg_addr, 87 *((u32 *)&trigger), &zone_data->trigger); 88 89 REG_WR(p_hwfn, 90 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo, 91 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 92 93 REG_WR(p_hwfn, 94 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi, 95 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 96 97 /* The message data must be written first, to prevent trigger before 98 * data is written. 99 */ 100 wmb(); 101 102 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger)); 103 104 /* When PF would be done with the response, it would write back to the 105 * `done' address from a coherent DMA zone. Poll until then. 106 */ 107 108 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS; 109 while (!*done && iter--) { 110 udelay(QED_VF_CHANNEL_USLEEP_DELAY); 111 dma_rmb(); 112 } 113 114 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS; 115 while (!*done && iter--) { 116 msleep(QED_VF_CHANNEL_MSLEEP_DELAY); 117 dma_rmb(); 118 } 119 120 if (!*done) { 121 DP_NOTICE(p_hwfn, 122 "VF <-- PF Timeout [Type %d]\n", 123 p_req->first_tlv.tl.type); 124 rc = -EBUSY; 125 } else { 126 if ((*done != PFVF_STATUS_SUCCESS) && 127 (*done != PFVF_STATUS_NO_RESOURCE)) 128 DP_NOTICE(p_hwfn, 129 "PF response: %d [Type %d]\n", 130 *done, p_req->first_tlv.tl.type); 131 else 132 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 133 "PF response: %d [Type %d]\n", 134 *done, p_req->first_tlv.tl.type); 135 } 136 137 return rc; 138} 139 140static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn, 141 struct qed_queue_cid *p_cid) 142{ 143 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 144 struct vfpf_qid_tlv *p_qid_tlv; 145 146 /* Only add QIDs for the queue if it was negotiated with PF */ 147 if (!(p_iov->acquire_resp.pfdev_info.capabilities & 148 PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 149 return; 150 151 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 152 CHANNEL_TLV_QID, sizeof(*p_qid_tlv)); 153 p_qid_tlv->qid = p_cid->qid_usage_idx; 154} 155 156static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final) 157{ 158 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 159 struct pfvf_def_resp_tlv *resp; 160 struct vfpf_first_tlv *req; 161 u32 size; 162 int rc; 163 164 /* clear mailbox and prep first tlv */ 165 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req)); 166 167 /* add list termination tlv */ 168 qed_add_tlv(p_hwfn, &p_iov->offset, 169 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 170 171 resp = &p_iov->pf2vf_reply->default_resp; 172 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 173 174 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS) 175 rc = -EAGAIN; 176 177 qed_vf_pf_req_end(p_hwfn, rc); 178 if (!b_final) 179 return rc; 180 181 p_hwfn->b_int_enabled = 0; 182 183 if (p_iov->vf2pf_request) 184 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 185 sizeof(union vfpf_tlvs), 186 p_iov->vf2pf_request, 187 p_iov->vf2pf_request_phys); 188 if (p_iov->pf2vf_reply) 189 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 190 sizeof(union pfvf_tlvs), 191 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 192 193 if (p_iov->bulletin.p_virt) { 194 size = sizeof(struct qed_bulletin_content); 195 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 196 size, 197 p_iov->bulletin.p_virt, p_iov->bulletin.phys); 198 } 199 200 kfree(p_hwfn->vf_iov_info); 201 p_hwfn->vf_iov_info = NULL; 202 203 return rc; 204} 205 206int qed_vf_pf_release(struct qed_hwfn *p_hwfn) 207{ 208 return _qed_vf_pf_release(p_hwfn, true); 209} 210 211#define VF_ACQUIRE_THRESH 3 212static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, 213 struct vf_pf_resc_request *p_req, 214 struct pf_vf_resc *p_resp) 215{ 216 DP_VERBOSE(p_hwfn, 217 QED_MSG_IOV, 218 "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", 219 p_req->num_rxqs, 220 p_resp->num_rxqs, 221 p_req->num_rxqs, 222 p_resp->num_txqs, 223 p_req->num_sbs, 224 p_resp->num_sbs, 225 p_req->num_mac_filters, 226 p_resp->num_mac_filters, 227 p_req->num_vlan_filters, 228 p_resp->num_vlan_filters, 229 p_req->num_mc_filters, 230 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids); 231 232 /* humble our request */ 233 p_req->num_txqs = p_resp->num_txqs; 234 p_req->num_rxqs = p_resp->num_rxqs; 235 p_req->num_sbs = p_resp->num_sbs; 236 p_req->num_mac_filters = p_resp->num_mac_filters; 237 p_req->num_vlan_filters = p_resp->num_vlan_filters; 238 p_req->num_mc_filters = p_resp->num_mc_filters; 239 p_req->num_cids = p_resp->num_cids; 240} 241 242static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) 243{ 244 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 245 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; 246 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 247 struct vf_pf_resc_request *p_resc; 248 u8 retry_cnt = VF_ACQUIRE_THRESH; 249 bool resources_acquired = false; 250 struct vfpf_acquire_tlv *req; 251 int rc = 0, attempts = 0; 252 253 /* clear mailbox and prep first tlv */ 254 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 255 p_resc = &req->resc_request; 256 257 /* starting filling the request */ 258 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; 259 260 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; 261 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; 262 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; 263 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; 264 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 265 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS; 266 267 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; 268 req->vfdev_info.fw_major = FW_MAJOR_VERSION; 269 req->vfdev_info.fw_minor = FW_MINOR_VERSION; 270 req->vfdev_info.fw_revision = FW_REVISION_VERSION; 271 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; 272 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; 273 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; 274 275 /* Fill capability field with any non-deprecated config we support */ 276 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; 277 278 /* If we've mapped the doorbell bar, try using queue qids */ 279 if (p_iov->b_doorbell_bar) { 280 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR | 281 VFPF_ACQUIRE_CAP_QUEUE_QIDS; 282 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS; 283 } 284 285 /* pf 2 vf bulletin board address */ 286 req->bulletin_addr = p_iov->bulletin.phys; 287 req->bulletin_size = p_iov->bulletin.size; 288 289 /* add list termination tlv */ 290 qed_add_tlv(p_hwfn, &p_iov->offset, 291 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 292 293 while (!resources_acquired) { 294 DP_VERBOSE(p_hwfn, 295 QED_MSG_IOV, "attempting to acquire resources\n"); 296 297 /* Clear response buffer, as this might be a re-send */ 298 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 299 300 /* send acquire request */ 301 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 302 303 /* Re-try acquire in case of vf-pf hw channel timeout */ 304 if (retry_cnt && rc == -EBUSY) { 305 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 306 "VF retrying to acquire due to VPC timeout\n"); 307 retry_cnt--; 308 continue; 309 } 310 311 if (rc) 312 goto exit; 313 314 /* copy acquire response from buffer to p_hwfn */ 315 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp)); 316 317 attempts++; 318 319 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 320 /* PF agrees to allocate our resources */ 321 if (!(resp->pfdev_info.capabilities & 322 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) { 323 /* It's possible legacy PF mistakenly accepted; 324 * but we don't care - simply mark it as 325 * legacy and continue. 326 */ 327 req->vfdev_info.capabilities |= 328 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 329 } 330 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n"); 331 resources_acquired = true; 332 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && 333 attempts < VF_ACQUIRE_THRESH) { 334 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, 335 &resp->resc); 336 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) { 337 if (pfdev_info->major_fp_hsi && 338 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { 339 DP_NOTICE(p_hwfn, 340 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", 341 pfdev_info->major_fp_hsi, 342 pfdev_info->minor_fp_hsi, 343 ETH_HSI_VER_MAJOR, 344 ETH_HSI_VER_MINOR, 345 pfdev_info->major_fp_hsi); 346 rc = -EINVAL; 347 goto exit; 348 } 349 350 if (!pfdev_info->major_fp_hsi) { 351 if (req->vfdev_info.capabilities & 352 VFPF_ACQUIRE_CAP_PRE_FP_HSI) { 353 DP_NOTICE(p_hwfn, 354 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n"); 355 rc = -EINVAL; 356 goto exit; 357 } else { 358 DP_INFO(p_hwfn, 359 "PF is old - try re-acquire to see if it supports FW-version override\n"); 360 req->vfdev_info.capabilities |= 361 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 362 continue; 363 } 364 } 365 366 /* If PF/VF are using same Major, PF must have had 367 * it's reasons. Simply fail. 368 */ 369 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n"); 370 rc = -EINVAL; 371 goto exit; 372 } else { 373 DP_ERR(p_hwfn, 374 "PF returned error %d to VF acquisition request\n", 375 resp->hdr.status); 376 rc = -EAGAIN; 377 goto exit; 378 } 379 } 380 381 /* Mark the PF as legacy, if needed */ 382 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI) 383 p_iov->b_pre_fp_hsi = true; 384 385 /* In case PF doesn't support multi-queue Tx, update the number of 386 * CIDs to reflect the number of queues [older PFs didn't fill that 387 * field]. 388 */ 389 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 390 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs; 391 392 /* Update bulletin board size with response from PF */ 393 p_iov->bulletin.size = resp->bulletin_size; 394 395 /* get HW info */ 396 p_hwfn->cdev->type = resp->pfdev_info.dev_type; 397 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev; 398 399 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff; 400 401 /* Learn of the possibility of CMT */ 402 if (IS_LEAD_HWFN(p_hwfn)) { 403 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) { 404 DP_NOTICE(p_hwfn, "100g VF\n"); 405 p_hwfn->cdev->num_hwfns = 2; 406 } 407 } 408 409 if (!p_iov->b_pre_fp_hsi && 410 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { 411 DP_INFO(p_hwfn, 412 "PF is using older fastpath HSI; %02x.%02x is configured\n", 413 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); 414 } 415 416exit: 417 qed_vf_pf_req_end(p_hwfn, rc); 418 419 return rc; 420} 421 422u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id) 423{ 424 u32 bar_size; 425 426 /* Regview size is fixed */ 427 if (bar_id == BAR_ID_0) 428 return 1 << 17; 429 430 /* Doorbell is received from PF */ 431 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size; 432 if (bar_size) 433 return 1 << bar_size; 434 return 0; 435} 436 437int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) 438{ 439 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev); 440 struct qed_vf_iov *p_iov; 441 u32 reg; 442 int rc; 443 444 /* Set number of hwfns - might be overridden once leading hwfn learns 445 * actual configuration from PF. 446 */ 447 if (IS_LEAD_HWFN(p_hwfn)) 448 p_hwfn->cdev->num_hwfns = 1; 449 450 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS; 451 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg); 452 453 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS; 454 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg); 455 456 /* Allocate vf sriov info */ 457 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL); 458 if (!p_iov) 459 return -ENOMEM; 460 461 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell 462 * value, but there are several incompatibily scenarios where that 463 * would be incorrect and we'd need to override it. 464 */ 465 if (!p_hwfn->doorbells) { 466 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 467 PXP_VF_BAR0_START_DQ; 468 } else if (p_hwfn == p_lead) { 469 /* For leading hw-function, value is always correct, but need 470 * to handle scenario where legacy PF would not support 100g 471 * mapped bars later. 472 */ 473 p_iov->b_doorbell_bar = true; 474 } else { 475 /* here, value would be correct ONLY if the leading hwfn 476 * received indication that mapped-bars are supported. 477 */ 478 if (p_lead->vf_iov_info->b_doorbell_bar) 479 p_iov->b_doorbell_bar = true; 480 else 481 p_hwfn->doorbells = (u8 __iomem *) 482 p_hwfn->regview + PXP_VF_BAR0_START_DQ; 483 } 484 485 /* Allocate vf2pf msg */ 486 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 487 sizeof(union vfpf_tlvs), 488 &p_iov->vf2pf_request_phys, 489 GFP_KERNEL); 490 if (!p_iov->vf2pf_request) 491 goto free_p_iov; 492 493 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 494 sizeof(union pfvf_tlvs), 495 &p_iov->pf2vf_reply_phys, 496 GFP_KERNEL); 497 if (!p_iov->pf2vf_reply) 498 goto free_vf2pf_request; 499 500 DP_VERBOSE(p_hwfn, 501 QED_MSG_IOV, 502 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n", 503 p_iov->vf2pf_request, 504 (u64)p_iov->vf2pf_request_phys, 505 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys); 506 507 /* Allocate Bulletin board */ 508 p_iov->bulletin.size = sizeof(struct qed_bulletin_content); 509 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 510 p_iov->bulletin.size, 511 &p_iov->bulletin.phys, 512 GFP_KERNEL); 513 if (!p_iov->bulletin.p_virt) 514 goto free_pf2vf_reply; 515 516 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 555free_pf2vf_reply: 556 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 557 sizeof(union pfvf_tlvs), 558 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 559free_vf2pf_request: 560 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 561 sizeof(union vfpf_tlvs), 562 p_iov->vf2pf_request, p_iov->vf2pf_request_phys); 563free_p_iov: 564 kfree(p_iov); 565 566 return -ENOMEM; 567} 568 569#define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 570#define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 571 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 572 573static void 574__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 575 struct qed_tunn_update_type *p_src, 576 enum qed_tunn_mode mask, u8 *p_cls) 577{ 578 if (p_src->b_update_mode) { 579 p_req->tun_mode_update_mask |= BIT(mask); 580 581 if (p_src->b_mode_enabled) 582 p_req->tunn_mode |= BIT(mask); 583 } 584 585 *p_cls = p_src->tun_cls; 586} 587 588static void 589qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 590 struct qed_tunn_update_type *p_src, 591 enum qed_tunn_mode mask, 592 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 593 u8 *p_update_port, u16 *p_udp_port) 594{ 595 if (p_port->b_update_port) { 596 *p_update_port = 1; 597 *p_udp_port = p_port->port; 598 } 599 600 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 601} 602 603void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 604{ 605 if (p_tun->vxlan.b_mode_enabled) 606 p_tun->vxlan.b_update_mode = true; 607 if (p_tun->l2_geneve.b_mode_enabled) 608 p_tun->l2_geneve.b_update_mode = true; 609 if (p_tun->ip_geneve.b_mode_enabled) 610 p_tun->ip_geneve.b_update_mode = true; 611 if (p_tun->l2_gre.b_mode_enabled) 612 p_tun->l2_gre.b_update_mode = true; 613 if (p_tun->ip_gre.b_mode_enabled) 614 p_tun->ip_gre.b_update_mode = true; 615 616 p_tun->b_update_rx_cls = true; 617 p_tun->b_update_tx_cls = true; 618} 619 620static void 621__qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 622 u16 feature_mask, u8 tunn_mode, 623 u8 tunn_cls, enum qed_tunn_mode val) 624{ 625 if (feature_mask & BIT(val)) { 626 p_tun->b_mode_enabled = tunn_mode; 627 p_tun->tun_cls = tunn_cls; 628 } else { 629 p_tun->b_mode_enabled = false; 630 } 631} 632 633static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 634 struct qed_tunnel_info *p_tun, 635 struct pfvf_update_tunn_param_tlv *p_resp) 636{ 637 /* Update mode and classes provided by PF */ 638 u16 feat_mask = p_resp->tunn_feature_mask; 639 640 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 641 p_resp->vxlan_mode, p_resp->vxlan_clss, 642 QED_MODE_VXLAN_TUNN); 643 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 644 p_resp->l2geneve_mode, 645 p_resp->l2geneve_clss, 646 QED_MODE_L2GENEVE_TUNN); 647 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 648 p_resp->ipgeneve_mode, 649 p_resp->ipgeneve_clss, 650 QED_MODE_IPGENEVE_TUNN); 651 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 652 p_resp->l2gre_mode, p_resp->l2gre_clss, 653 QED_MODE_L2GRE_TUNN); 654 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 655 p_resp->ipgre_mode, p_resp->ipgre_clss, 656 QED_MODE_IPGRE_TUNN); 657 p_tun->geneve_port.port = p_resp->geneve_udp_port; 658 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 659 660 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 661 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 662 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 663 p_tun->ip_geneve.b_mode_enabled, 664 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 665} 666 667int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 668 struct qed_tunnel_info *p_src) 669{ 670 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 671 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 672 struct pfvf_update_tunn_param_tlv *p_resp; 673 struct vfpf_update_tunn_param_tlv *p_req; 674 int rc; 675 676 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 677 sizeof(*p_req)); 678 679 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 680 p_req->update_tun_cls = 1; 681 682 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 683 &p_req->vxlan_clss, &p_src->vxlan_port, 684 &p_req->update_vxlan_port, 685 &p_req->vxlan_port); 686 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 687 QED_MODE_L2GENEVE_TUNN, 688 &p_req->l2geneve_clss, &p_src->geneve_port, 689 &p_req->update_geneve_port, 690 &p_req->geneve_port); 691 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 692 QED_MODE_IPGENEVE_TUNN, 693 &p_req->ipgeneve_clss); 694 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 695 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 696 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 697 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 698 699 /* add list termination tlv */ 700 qed_add_tlv(p_hwfn, &p_iov->offset, 701 CHANNEL_TLV_LIST_END, 702 sizeof(struct channel_list_end_tlv)); 703 704 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 705 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status); 706 707 if (rc) 708 goto exit; 709 710 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 711 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 712 "Failed to update tunnel parameters\n"); 713 rc = -EINVAL; 714 } 715 716 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 717exit: 718 qed_vf_pf_req_end(p_hwfn, rc); 719 return rc; 720} 721 722int 723qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 724 struct qed_queue_cid *p_cid, 725 u16 bd_max_bytes, 726 dma_addr_t bd_chain_phys_addr, 727 dma_addr_t cqe_pbl_addr, 728 u16 cqe_pbl_size, void __iomem **pp_prod) 729{ 730 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 731 struct pfvf_start_queue_resp_tlv *resp; 732 struct vfpf_start_rxq_tlv *req; 733 u8 rx_qid = p_cid->rel.queue_id; 734 int rc; 735 736 /* clear mailbox and prep first tlv */ 737 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 738 739 req->rx_qid = rx_qid; 740 req->cqe_pbl_addr = cqe_pbl_addr; 741 req->cqe_pbl_size = cqe_pbl_size; 742 req->rxq_addr = bd_chain_phys_addr; 743 req->hw_sb = p_cid->sb_igu_id; 744 req->sb_index = p_cid->sb_idx; 745 req->bd_max_bytes = bd_max_bytes; 746 req->stat_id = -1; 747 748 /* If PF is legacy, we'll need to calculate producers ourselves 749 * as well as clean them. 750 */ 751 if (p_iov->b_pre_fp_hsi) { 752 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 753 u32 init_prod_val = 0; 754 755 *pp_prod = (u8 __iomem *) 756 p_hwfn->regview + 757 MSTORM_QZONE_START(p_hwfn->cdev) + 758 hw_qid * MSTORM_QZONE_SIZE; 759 760 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 761 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 762 (u32 *)(&init_prod_val)); 763 } 764 765 qed_vf_pf_add_qid(p_hwfn, p_cid); 766 767 /* add list termination tlv */ 768 qed_add_tlv(p_hwfn, &p_iov->offset, 769 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 770 771 resp = &p_iov->pf2vf_reply->queue_start; 772 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 773 if (rc) 774 goto exit; 775 776 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 777 rc = -EINVAL; 778 goto exit; 779 } 780 781 /* Learn the address of the producer from the response */ 782 if (!p_iov->b_pre_fp_hsi) { 783 u32 init_prod_val = 0; 784 785 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 786 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 787 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 788 rx_qid, *pp_prod, resp->offset); 789 790 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 791 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 792 (u32 *)&init_prod_val); 793 } 794exit: 795 qed_vf_pf_req_end(p_hwfn, rc); 796 797 return rc; 798} 799 800int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 801 struct qed_queue_cid *p_cid, bool cqe_completion) 802{ 803 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 804 struct vfpf_stop_rxqs_tlv *req; 805 struct pfvf_def_resp_tlv *resp; 806 int rc; 807 808 /* clear mailbox and prep first tlv */ 809 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 810 811 req->rx_qid = p_cid->rel.queue_id; 812 req->num_rxqs = 1; 813 req->cqe_completion = cqe_completion; 814 815 qed_vf_pf_add_qid(p_hwfn, p_cid); 816 817 /* add list termination tlv */ 818 qed_add_tlv(p_hwfn, &p_iov->offset, 819 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 820 821 resp = &p_iov->pf2vf_reply->default_resp; 822 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 823 if (rc) 824 goto exit; 825 826 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 827 rc = -EINVAL; 828 goto exit; 829 } 830 831exit: 832 qed_vf_pf_req_end(p_hwfn, rc); 833 834 return rc; 835} 836 837int 838qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 839 struct qed_queue_cid *p_cid, 840 dma_addr_t pbl_addr, 841 u16 pbl_size, void __iomem **pp_doorbell) 842{ 843 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 844 struct pfvf_start_queue_resp_tlv *resp; 845 struct vfpf_start_txq_tlv *req; 846 u16 qid = p_cid->rel.queue_id; 847 int rc; 848 849 /* clear mailbox and prep first tlv */ 850 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 851 852 req->tx_qid = qid; 853 854 /* Tx */ 855 req->pbl_addr = pbl_addr; 856 req->pbl_size = pbl_size; 857 req->hw_sb = p_cid->sb_igu_id; 858 req->sb_index = p_cid->sb_idx; 859 860 qed_vf_pf_add_qid(p_hwfn, p_cid); 861 862 /* add list termination tlv */ 863 qed_add_tlv(p_hwfn, &p_iov->offset, 864 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 865 866 resp = &p_iov->pf2vf_reply->queue_start; 867 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 868 if (rc) 869 goto exit; 870 871 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 872 rc = -EINVAL; 873 goto exit; 874 } 875 876 /* Modern PFs provide the actual offsets, while legacy 877 * provided only the queue id. 878 */ 879 if (!p_iov->b_pre_fp_hsi) { 880 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 881 } else { 882 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 883 884 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 885 qed_db_addr_vf(cid, 886 DQ_DEMS_LEGACY); 887 } 888 889 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 890 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 891 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 892exit: 893 qed_vf_pf_req_end(p_hwfn, rc); 894 895 return rc; 896} 897 898int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 899{ 900 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 901 struct vfpf_stop_txqs_tlv *req; 902 struct pfvf_def_resp_tlv *resp; 903 int rc; 904 905 /* clear mailbox and prep first tlv */ 906 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 907 908 req->tx_qid = p_cid->rel.queue_id; 909 req->num_txqs = 1; 910 911 qed_vf_pf_add_qid(p_hwfn, p_cid); 912 913 /* add list termination tlv */ 914 qed_add_tlv(p_hwfn, &p_iov->offset, 915 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 916 917 resp = &p_iov->pf2vf_reply->default_resp; 918 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 919 if (rc) 920 goto exit; 921 922 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 923 rc = -EINVAL; 924 goto exit; 925 } 926 927exit: 928 qed_vf_pf_req_end(p_hwfn, rc); 929 930 return rc; 931} 932 933int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 934 u8 vport_id, 935 u16 mtu, 936 u8 inner_vlan_removal, 937 enum qed_tpa_mode tpa_mode, 938 u8 max_buffers_per_cqe, u8 only_untagged) 939{ 940 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 941 struct vfpf_vport_start_tlv *req; 942 struct pfvf_def_resp_tlv *resp; 943 int rc, i; 944 945 /* clear mailbox and prep first tlv */ 946 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 947 948 req->mtu = mtu; 949 req->vport_id = vport_id; 950 req->inner_vlan_removal = inner_vlan_removal; 951 req->tpa_mode = tpa_mode; 952 req->max_buffers_per_cqe = max_buffers_per_cqe; 953 req->only_untagged = only_untagged; 954 955 /* status blocks */ 956 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 957 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 958 959 if (p_sb) 960 req->sb_addr[i] = p_sb->sb_phys; 961 } 962 963 /* add list termination tlv */ 964 qed_add_tlv(p_hwfn, &p_iov->offset, 965 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 966 967 resp = &p_iov->pf2vf_reply->default_resp; 968 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 969 if (rc) 970 goto exit; 971 972 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 973 rc = -EINVAL; 974 goto exit; 975 } 976 977exit: 978 qed_vf_pf_req_end(p_hwfn, rc); 979 980 return rc; 981} 982 983int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 984{ 985 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 986 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 987 int rc; 988 989 /* clear mailbox and prep first tlv */ 990 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 991 sizeof(struct vfpf_first_tlv)); 992 993 /* add list termination tlv */ 994 qed_add_tlv(p_hwfn, &p_iov->offset, 995 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 996 997 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 998 if (rc) 999 goto exit; 1000 1001 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1002 rc = -EINVAL; 1003 goto exit; 1004 } 1005 1006exit: 1007 qed_vf_pf_req_end(p_hwfn, rc); 1008 1009 return rc; 1010} 1011 1012static bool 1013qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1014 struct qed_sp_vport_update_params *p_data, 1015 u16 tlv) 1016{ 1017 switch (tlv) { 1018 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1019 return !!(p_data->update_vport_active_rx_flg || 1020 p_data->update_vport_active_tx_flg); 1021 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1022 return !!p_data->update_tx_switching_flg; 1023 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1024 return !!p_data->update_inner_vlan_removal_flg; 1025 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1026 return !!p_data->update_accept_any_vlan_flg; 1027 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1028 return !!p_data->update_approx_mcast_flg; 1029 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1030 return !!(p_data->accept_flags.update_rx_mode_config || 1031 p_data->accept_flags.update_tx_mode_config); 1032 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1033 return !!p_data->rss_params; 1034 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1035 return !!p_data->sge_tpa_params; 1036 default: 1037 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1038 tlv); 1039 return false; 1040 } 1041} 1042 1043static void 1044qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1045 struct qed_sp_vport_update_params *p_data) 1046{ 1047 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1048 struct pfvf_def_resp_tlv *p_resp; 1049 u16 tlv; 1050 1051 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1052 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1053 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1054 continue; 1055 1056 p_resp = (struct pfvf_def_resp_tlv *) 1057 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1058 tlv); 1059 if (p_resp && p_resp->hdr.status) 1060 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1061 "TLV[%d] Configuration %s\n", 1062 tlv, 1063 (p_resp && p_resp->hdr.status) ? "succeeded" 1064 : "failed"); 1065 } 1066} 1067 1068int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1069 struct qed_sp_vport_update_params *p_params) 1070{ 1071 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1072 struct vfpf_vport_update_tlv *req; 1073 struct pfvf_def_resp_tlv *resp; 1074 u8 update_rx, update_tx; 1075 u16 size, tlv; 1076 int rc; 1077 1078 resp = &p_iov->pf2vf_reply->default_resp; 1079 1080 update_rx = p_params->update_vport_active_rx_flg; 1081 update_tx = p_params->update_vport_active_tx_flg; 1082 1083 /* clear mailbox and prep header tlv */ 1084 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req)); 1085 1086 /* Prepare extended tlvs */ 1087 if (update_rx || update_tx) { 1088 struct vfpf_vport_update_activate_tlv *p_act_tlv; 1089 1090 size = sizeof(struct vfpf_vport_update_activate_tlv); 1091 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1092 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, 1093 size); 1094 1095 if (update_rx) { 1096 p_act_tlv->update_rx = update_rx; 1097 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1098 } 1099 1100 if (update_tx) { 1101 p_act_tlv->update_tx = update_tx; 1102 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1103 } 1104 } 1105 1106 if (p_params->update_tx_switching_flg) { 1107 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1108 1109 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1110 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1111 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1112 tlv, size); 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 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 1138 if (update_rx) { 1139 p_accept_tlv->update_rx_mode = update_rx; 1140 p_accept_tlv->rx_accept_filter = 1141 p_params->accept_flags.rx_accept_filter; 1142 } 1143 1144 if (update_tx) { 1145 p_accept_tlv->update_tx_mode = update_tx; 1146 p_accept_tlv->tx_accept_filter = 1147 p_params->accept_flags.tx_accept_filter; 1148 } 1149 } 1150 1151 if (p_params->rss_params) { 1152 struct qed_rss_params *rss_params = p_params->rss_params; 1153 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1154 int i, table_size; 1155 1156 size = sizeof(struct vfpf_vport_update_rss_tlv); 1157 p_rss_tlv = qed_add_tlv(p_hwfn, 1158 &p_iov->offset, 1159 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1160 1161 if (rss_params->update_rss_config) 1162 p_rss_tlv->update_rss_flags |= 1163 VFPF_UPDATE_RSS_CONFIG_FLAG; 1164 if (rss_params->update_rss_capabilities) 1165 p_rss_tlv->update_rss_flags |= 1166 VFPF_UPDATE_RSS_CAPS_FLAG; 1167 if (rss_params->update_rss_ind_table) 1168 p_rss_tlv->update_rss_flags |= 1169 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1170 if (rss_params->update_rss_key) 1171 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1172 1173 p_rss_tlv->rss_enable = rss_params->rss_enable; 1174 p_rss_tlv->rss_caps = rss_params->rss_caps; 1175 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1176 1177 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1178 1 << p_rss_tlv->rss_table_size_log); 1179 for (i = 0; i < table_size; i++) { 1180 struct qed_queue_cid *p_queue; 1181 1182 p_queue = rss_params->rss_ind_table[i]; 1183 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1184 } 1185 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1186 sizeof(rss_params->rss_key)); 1187 } 1188 1189 if (p_params->update_accept_any_vlan_flg) { 1190 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1191 1192 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1193 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1194 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1195 1196 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1197 p_any_vlan_tlv->update_accept_any_vlan_flg = 1198 p_params->update_accept_any_vlan_flg; 1199 } 1200 1201 /* add list termination tlv */ 1202 qed_add_tlv(p_hwfn, &p_iov->offset, 1203 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1204 1205 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1206 if (rc) 1207 goto exit; 1208 1209 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1210 rc = -EINVAL; 1211 goto exit; 1212 } 1213 1214 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1215 1216exit: 1217 qed_vf_pf_req_end(p_hwfn, rc); 1218 1219 return rc; 1220} 1221 1222int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1223{ 1224 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1225 struct pfvf_def_resp_tlv *resp; 1226 struct vfpf_first_tlv *req; 1227 int rc; 1228 1229 /* clear mailbox and prep first tlv */ 1230 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1231 1232 /* add list termination tlv */ 1233 qed_add_tlv(p_hwfn, &p_iov->offset, 1234 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1235 1236 resp = &p_iov->pf2vf_reply->default_resp; 1237 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1238 if (rc) 1239 goto exit; 1240 1241 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1242 rc = -EAGAIN; 1243 goto exit; 1244 } 1245 1246 p_hwfn->b_int_enabled = 0; 1247 1248exit: 1249 qed_vf_pf_req_end(p_hwfn, rc); 1250 1251 return rc; 1252} 1253 1254void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1255 struct qed_filter_mcast *p_filter_cmd) 1256{ 1257 struct qed_sp_vport_update_params sp_params; 1258 int i; 1259 1260 memset(&sp_params, 0, sizeof(sp_params)); 1261 sp_params.update_approx_mcast_flg = 1; 1262 1263 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1264 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1265 u32 bit; 1266 1267 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1268 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1269 } 1270 } 1271 1272 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1273} 1274 1275int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1276 struct qed_filter_ucast *p_ucast) 1277{ 1278 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1279 struct vfpf_ucast_filter_tlv *req; 1280 struct pfvf_def_resp_tlv *resp; 1281 int rc; 1282 1283 /* clear mailbox and prep first tlv */ 1284 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1285 req->opcode = (u8)p_ucast->opcode; 1286 req->type = (u8)p_ucast->type; 1287 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1288 req->vlan = p_ucast->vlan; 1289 1290 /* add list termination tlv */ 1291 qed_add_tlv(p_hwfn, &p_iov->offset, 1292 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1293 1294 resp = &p_iov->pf2vf_reply->default_resp; 1295 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1296 if (rc) 1297 goto exit; 1298 1299 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1300 rc = -EAGAIN; 1301 goto exit; 1302 } 1303 1304exit: 1305 qed_vf_pf_req_end(p_hwfn, rc); 1306 1307 return rc; 1308} 1309 1310int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1311{ 1312 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1313 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1314 int rc; 1315 1316 /* clear mailbox and prep first tlv */ 1317 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1318 sizeof(struct vfpf_first_tlv)); 1319 1320 /* add list termination tlv */ 1321 qed_add_tlv(p_hwfn, &p_iov->offset, 1322 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1323 1324 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1325 if (rc) 1326 goto exit; 1327 1328 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1329 rc = -EINVAL; 1330 goto exit; 1331 } 1332 1333exit: 1334 qed_vf_pf_req_end(p_hwfn, rc); 1335 1336 return rc; 1337} 1338 1339int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1340 u16 *p_coal, struct qed_queue_cid *p_cid) 1341{ 1342 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1343 struct pfvf_read_coal_resp_tlv *resp; 1344 struct vfpf_read_coal_req_tlv *req; 1345 int rc; 1346 1347 /* clear mailbox and prep header tlv */ 1348 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1349 req->qid = p_cid->rel.queue_id; 1350 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1351 1352 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1353 sizeof(struct channel_list_end_tlv)); 1354 resp = &p_iov->pf2vf_reply->read_coal_resp; 1355 1356 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1357 if (rc) 1358 goto exit; 1359 1360 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1361 goto exit; 1362 1363 *p_coal = resp->coal; 1364exit: 1365 qed_vf_pf_req_end(p_hwfn, rc); 1366 1367 return rc; 1368} 1369 1370int 1371qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1372 const u8 *p_mac) 1373{ 1374 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1375 struct vfpf_bulletin_update_mac_tlv *p_req; 1376 struct pfvf_def_resp_tlv *p_resp; 1377 int rc; 1378 1379 if (!p_mac) 1380 return -EINVAL; 1381 1382 /* clear mailbox and prep header tlv */ 1383 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1384 sizeof(*p_req)); 1385 ether_addr_copy(p_req->mac, p_mac); 1386 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1387 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1388 1389 /* add list termination tlv */ 1390 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1391 sizeof(struct channel_list_end_tlv)); 1392 1393 p_resp = &p_iov->pf2vf_reply->default_resp; 1394 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status); 1395 qed_vf_pf_req_end(p_hwfn, rc); 1396 return rc; 1397} 1398 1399int 1400qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1401 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1402{ 1403 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1404 struct vfpf_update_coalesce *req; 1405 struct pfvf_def_resp_tlv *resp; 1406 int rc; 1407 1408 /* clear mailbox and prep header tlv */ 1409 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1410 1411 req->rx_coal = rx_coal; 1412 req->tx_coal = tx_coal; 1413 req->qid = p_cid->rel.queue_id; 1414 1415 DP_VERBOSE(p_hwfn, 1416 QED_MSG_IOV, 1417 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1418 rx_coal, tx_coal, req->qid); 1419 1420 /* add list termination tlv */ 1421 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1422 sizeof(struct channel_list_end_tlv)); 1423 1424 resp = &p_iov->pf2vf_reply->default_resp; 1425 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status); 1426 if (rc) 1427 goto exit; 1428 1429 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1430 goto exit; 1431 1432 if (rx_coal) 1433 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1434 1435 if (tx_coal) 1436 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1437 1438exit: 1439 qed_vf_pf_req_end(p_hwfn, rc); 1440 return rc; 1441} 1442 1443u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1444{ 1445 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1446 1447 if (!p_iov) { 1448 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1449 return 0; 1450 } 1451 1452 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1453} 1454 1455void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1456 u16 sb_id, struct qed_sb_info *p_sb) 1457{ 1458 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1459 1460 if (!p_iov) { 1461 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1462 return; 1463 } 1464 1465 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1466 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1467 return; 1468 } 1469 1470 p_iov->sbs_info[sb_id] = p_sb; 1471} 1472 1473int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1474{ 1475 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1476 struct qed_bulletin_content shadow; 1477 u32 crc, crc_size; 1478 1479 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1480 *p_change = 0; 1481 1482 /* Need to guarantee PF is not in the middle of writing it */ 1483 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1484 1485 /* If version did not update, no need to do anything */ 1486 if (shadow.version == p_iov->bulletin_shadow.version) 1487 return 0; 1488 1489 /* Verify the bulletin we see is valid */ 1490 crc = crc32(0, (u8 *)&shadow + crc_size, 1491 p_iov->bulletin.size - crc_size); 1492 if (crc != shadow.crc) 1493 return -EAGAIN; 1494 1495 /* Set the shadow bulletin and process it */ 1496 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1497 1498 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1499 "Read a bulletin update %08x\n", shadow.version); 1500 1501 *p_change = 1; 1502 1503 return 0; 1504} 1505 1506void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1507 struct qed_mcp_link_params *p_params, 1508 struct qed_bulletin_content *p_bulletin) 1509{ 1510 memset(p_params, 0, sizeof(*p_params)); 1511 1512 p_params->speed.autoneg = p_bulletin->req_autoneg; 1513 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1514 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1515 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1516 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1517 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1518 p_params->loopback_mode = p_bulletin->req_loopback; 1519} 1520 1521void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1522 struct qed_mcp_link_params *params) 1523{ 1524 __qed_vf_get_link_params(p_hwfn, params, 1525 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1526} 1527 1528void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1529 struct qed_mcp_link_state *p_link, 1530 struct qed_bulletin_content *p_bulletin) 1531{ 1532 memset(p_link, 0, sizeof(*p_link)); 1533 1534 p_link->link_up = p_bulletin->link_up; 1535 p_link->speed = p_bulletin->speed; 1536 p_link->full_duplex = p_bulletin->full_duplex; 1537 p_link->an = p_bulletin->autoneg; 1538 p_link->an_complete = p_bulletin->autoneg_complete; 1539 p_link->parallel_detection = p_bulletin->parallel_detection; 1540 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1541 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1542 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1543 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1544 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1545 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1546} 1547 1548void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1549 struct qed_mcp_link_state *link) 1550{ 1551 __qed_vf_get_link_state(p_hwfn, link, 1552 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1553} 1554 1555void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1556 struct qed_mcp_link_capabilities *p_link_caps, 1557 struct qed_bulletin_content *p_bulletin) 1558{ 1559 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1560 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1561} 1562 1563void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1564 struct qed_mcp_link_capabilities *p_link_caps) 1565{ 1566 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1567 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1568} 1569 1570void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1571{ 1572 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1573} 1574 1575void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1576{ 1577 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1578} 1579 1580void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1581{ 1582 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1583} 1584 1585void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1586{ 1587 memcpy(port_mac, 1588 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1589} 1590 1591void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1592{ 1593 struct qed_vf_iov *p_vf; 1594 1595 p_vf = p_hwfn->vf_iov_info; 1596 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1597} 1598 1599void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1600{ 1601 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1602 1603 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1604} 1605 1606bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1607{ 1608 struct qed_bulletin_content *bulletin; 1609 1610 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1611 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1612 return true; 1613 1614 /* Forbid VF from changing a MAC enforced by PF */ 1615 if (ether_addr_equal(bulletin->mac, mac)) 1616 return false; 1617 1618 return false; 1619} 1620 1621static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1622 u8 *dst_mac, u8 *p_is_forced) 1623{ 1624 struct qed_bulletin_content *bulletin; 1625 1626 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1627 1628 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1629 if (p_is_forced) 1630 *p_is_forced = 1; 1631 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1632 if (p_is_forced) 1633 *p_is_forced = 0; 1634 } else { 1635 return false; 1636 } 1637 1638 ether_addr_copy(dst_mac, bulletin->mac); 1639 1640 return true; 1641} 1642 1643static void 1644qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1645 u16 *p_vxlan_port, u16 *p_geneve_port) 1646{ 1647 struct qed_bulletin_content *p_bulletin; 1648 1649 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1650 1651 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1652 *p_geneve_port = p_bulletin->geneve_udp_port; 1653} 1654 1655void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1656 u16 *fw_major, u16 *fw_minor, 1657 u16 *fw_rev, u16 *fw_eng) 1658{ 1659 struct pf_vf_pfdev_info *info; 1660 1661 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1662 1663 *fw_major = info->fw_major; 1664 *fw_minor = info->fw_minor; 1665 *fw_rev = info->fw_rev; 1666 *fw_eng = info->fw_eng; 1667} 1668 1669static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1670{ 1671 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1672 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1673 void *cookie = hwfn->cdev->ops_cookie; 1674 u16 vxlan_port, geneve_port; 1675 1676 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1677 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1678 &is_mac_forced); 1679 if (is_mac_exist && cookie) 1680 ops->force_mac(cookie, mac, !!is_mac_forced); 1681 1682 ops->ports_update(cookie, vxlan_port, geneve_port); 1683 1684 /* Always update link configuration according to bulletin */ 1685 qed_link_update(hwfn, NULL); 1686} 1687 1688void qed_iov_vf_task(struct work_struct *work) 1689{ 1690 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1691 iov_task.work); 1692 u8 change = 0; 1693 1694 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1695 return; 1696 1697 /* Handle bulletin board changes */ 1698 qed_vf_read_bulletin(hwfn, &change); 1699 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1700 &hwfn->iov_task_flags)) 1701 change = 1; 1702 if (change) 1703 qed_handle_bulletin_change(hwfn); 1704 1705 /* As VF is polling bulletin board, need to constantly re-schedule */ 1706 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1707} 1708