1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/crc32.h> 8 #include <linux/etherdevice.h> 9 #include "qed.h" 10 #include "qed_sriov.h" 11 #include "qed_vf.h" 12 13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length) 14 { 15 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 16 void *p_tlv; 17 18 /* This lock is released when we receive PF's response 19 * in qed_send_msg2pf(). 20 * So, qed_vf_pf_prep() and qed_send_msg2pf() 21 * must come in sequence. 22 */ 23 mutex_lock(&(p_iov->mutex)); 24 25 DP_VERBOSE(p_hwfn, 26 QED_MSG_IOV, 27 "preparing to send 0x%04x tlv over vf pf channel\n", 28 type); 29 30 /* Reset Request offset */ 31 p_iov->offset = (u8 *)p_iov->vf2pf_request; 32 33 /* Clear mailbox - both request and reply */ 34 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs)); 35 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 36 37 /* Init type and length */ 38 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length); 39 40 /* Init first tlv header */ 41 ((struct vfpf_first_tlv *)p_tlv)->reply_address = 42 (u64)p_iov->pf2vf_reply_phys; 43 44 return p_tlv; 45 } 46 47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status) 48 { 49 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply; 50 51 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 52 "VF request status = 0x%x, PF reply status = 0x%x\n", 53 req_status, resp->default_resp.hdr.status); 54 55 mutex_unlock(&(p_hwfn->vf_iov_info->mutex)); 56 } 57 58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90 59 #define QED_VF_CHANNEL_USLEEP_DELAY 100 60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10 61 #define QED_VF_CHANNEL_MSLEEP_DELAY 25 62 63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size) 64 { 65 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request; 66 struct ustorm_trigger_vf_zone trigger; 67 struct ustorm_vf_zone *zone_data; 68 int iter, rc = 0; 69 70 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B; 71 72 /* output tlvs list */ 73 qed_dp_tlv_list(p_hwfn, p_req); 74 75 /* need to add the END TLV to the message size */ 76 resp_size += sizeof(struct channel_list_end_tlv); 77 78 /* Send TLVs over HW channel */ 79 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone)); 80 trigger.vf_pf_msg_valid = 1; 81 82 DP_VERBOSE(p_hwfn, 83 QED_MSG_IOV, 84 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n", 85 GET_FIELD(p_hwfn->hw_info.concrete_fid, 86 PXP_CONCRETE_FID_PFID), 87 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 88 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 89 &zone_data->non_trigger.vf_pf_msg_addr, 90 *((u32 *)&trigger), &zone_data->trigger); 91 92 REG_WR(p_hwfn, 93 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo, 94 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 95 96 REG_WR(p_hwfn, 97 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi, 98 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 99 100 /* The message data must be written first, to prevent trigger before 101 * data is written. 102 */ 103 wmb(); 104 105 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger)); 106 107 /* When PF would be done with the response, it would write back to the 108 * `done' address from a coherent DMA zone. Poll until then. 109 */ 110 111 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS; 112 while (!*done && iter--) { 113 udelay(QED_VF_CHANNEL_USLEEP_DELAY); 114 dma_rmb(); 115 } 116 117 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS; 118 while (!*done && iter--) { 119 msleep(QED_VF_CHANNEL_MSLEEP_DELAY); 120 dma_rmb(); 121 } 122 123 if (!*done) { 124 DP_NOTICE(p_hwfn, 125 "VF <-- PF Timeout [Type %d]\n", 126 p_req->first_tlv.tl.type); 127 rc = -EBUSY; 128 } else { 129 if ((*done != PFVF_STATUS_SUCCESS) && 130 (*done != PFVF_STATUS_NO_RESOURCE)) 131 DP_NOTICE(p_hwfn, 132 "PF response: %d [Type %d]\n", 133 *done, p_req->first_tlv.tl.type); 134 else 135 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 136 "PF response: %d [Type %d]\n", 137 *done, p_req->first_tlv.tl.type); 138 } 139 140 return rc; 141 } 142 143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn, 144 struct qed_queue_cid *p_cid) 145 { 146 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 147 struct vfpf_qid_tlv *p_qid_tlv; 148 149 /* Only add QIDs for the queue if it was negotiated with PF */ 150 if (!(p_iov->acquire_resp.pfdev_info.capabilities & 151 PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 152 return; 153 154 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 155 CHANNEL_TLV_QID, sizeof(*p_qid_tlv)); 156 p_qid_tlv->qid = p_cid->qid_usage_idx; 157 } 158 159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final) 160 { 161 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 162 struct pfvf_def_resp_tlv *resp; 163 struct vfpf_first_tlv *req; 164 u32 size; 165 int rc; 166 167 /* clear mailbox and prep first tlv */ 168 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req)); 169 170 /* add list termination tlv */ 171 qed_add_tlv(p_hwfn, &p_iov->offset, 172 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 173 174 resp = &p_iov->pf2vf_reply->default_resp; 175 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 176 177 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS) 178 rc = -EAGAIN; 179 180 qed_vf_pf_req_end(p_hwfn, rc); 181 if (!b_final) 182 return rc; 183 184 p_hwfn->b_int_enabled = 0; 185 186 if (p_iov->vf2pf_request) 187 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 188 sizeof(union vfpf_tlvs), 189 p_iov->vf2pf_request, 190 p_iov->vf2pf_request_phys); 191 if (p_iov->pf2vf_reply) 192 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 193 sizeof(union pfvf_tlvs), 194 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 195 196 if (p_iov->bulletin.p_virt) { 197 size = sizeof(struct qed_bulletin_content); 198 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 199 size, 200 p_iov->bulletin.p_virt, p_iov->bulletin.phys); 201 } 202 203 kfree(p_hwfn->vf_iov_info); 204 p_hwfn->vf_iov_info = NULL; 205 206 return rc; 207 } 208 209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn) 210 { 211 return _qed_vf_pf_release(p_hwfn, true); 212 } 213 214 #define VF_ACQUIRE_THRESH 3 215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, 216 struct vf_pf_resc_request *p_req, 217 struct pf_vf_resc *p_resp) 218 { 219 DP_VERBOSE(p_hwfn, 220 QED_MSG_IOV, 221 "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n", 222 p_req->num_rxqs, 223 p_resp->num_rxqs, 224 p_req->num_rxqs, 225 p_resp->num_txqs, 226 p_req->num_sbs, 227 p_resp->num_sbs, 228 p_req->num_mac_filters, 229 p_resp->num_mac_filters, 230 p_req->num_vlan_filters, 231 p_resp->num_vlan_filters, 232 p_req->num_mc_filters, 233 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids); 234 235 /* humble our request */ 236 p_req->num_txqs = p_resp->num_txqs; 237 p_req->num_rxqs = p_resp->num_rxqs; 238 p_req->num_sbs = p_resp->num_sbs; 239 p_req->num_mac_filters = p_resp->num_mac_filters; 240 p_req->num_vlan_filters = p_resp->num_vlan_filters; 241 p_req->num_mc_filters = p_resp->num_mc_filters; 242 p_req->num_cids = p_resp->num_cids; 243 } 244 245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) 246 { 247 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 248 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; 249 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 250 struct vf_pf_resc_request *p_resc; 251 u8 retry_cnt = VF_ACQUIRE_THRESH; 252 bool resources_acquired = false; 253 struct vfpf_acquire_tlv *req; 254 int rc = 0, attempts = 0; 255 256 /* clear mailbox and prep first tlv */ 257 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 258 p_resc = &req->resc_request; 259 260 /* starting filling the request */ 261 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; 262 263 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; 264 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; 265 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; 266 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; 267 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 268 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS; 269 270 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; 271 req->vfdev_info.fw_major = FW_MAJOR_VERSION; 272 req->vfdev_info.fw_minor = FW_MINOR_VERSION; 273 req->vfdev_info.fw_revision = FW_REVISION_VERSION; 274 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; 275 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; 276 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; 277 278 /* Fill capability field with any non-deprecated config we support */ 279 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; 280 281 /* If we've mapped the doorbell bar, try using queue qids */ 282 if (p_iov->b_doorbell_bar) { 283 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR | 284 VFPF_ACQUIRE_CAP_QUEUE_QIDS; 285 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS; 286 } 287 288 /* pf 2 vf bulletin board address */ 289 req->bulletin_addr = p_iov->bulletin.phys; 290 req->bulletin_size = p_iov->bulletin.size; 291 292 /* add list termination tlv */ 293 qed_add_tlv(p_hwfn, &p_iov->offset, 294 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 295 296 while (!resources_acquired) { 297 DP_VERBOSE(p_hwfn, 298 QED_MSG_IOV, "attempting to acquire resources\n"); 299 300 /* Clear response buffer, as this might be a re-send */ 301 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 302 303 /* send acquire request */ 304 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 305 306 /* Re-try acquire in case of vf-pf hw channel timeout */ 307 if (retry_cnt && rc == -EBUSY) { 308 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 309 "VF retrying to acquire due to VPC timeout\n"); 310 retry_cnt--; 311 continue; 312 } 313 314 if (rc) 315 goto exit; 316 317 /* copy acquire response from buffer to p_hwfn */ 318 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp)); 319 320 attempts++; 321 322 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 323 /* PF agrees to allocate our resources */ 324 if (!(resp->pfdev_info.capabilities & 325 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) { 326 /* It's possible legacy PF mistakenly accepted; 327 * but we don't care - simply mark it as 328 * legacy and continue. 329 */ 330 req->vfdev_info.capabilities |= 331 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 332 } 333 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n"); 334 resources_acquired = true; 335 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && 336 attempts < VF_ACQUIRE_THRESH) { 337 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, 338 &resp->resc); 339 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) { 340 if (pfdev_info->major_fp_hsi && 341 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { 342 DP_NOTICE(p_hwfn, 343 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", 344 pfdev_info->major_fp_hsi, 345 pfdev_info->minor_fp_hsi, 346 ETH_HSI_VER_MAJOR, 347 ETH_HSI_VER_MINOR, 348 pfdev_info->major_fp_hsi); 349 rc = -EINVAL; 350 goto exit; 351 } 352 353 if (!pfdev_info->major_fp_hsi) { 354 if (req->vfdev_info.capabilities & 355 VFPF_ACQUIRE_CAP_PRE_FP_HSI) { 356 DP_NOTICE(p_hwfn, 357 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n"); 358 rc = -EINVAL; 359 goto exit; 360 } else { 361 DP_INFO(p_hwfn, 362 "PF is old - try re-acquire to see if it supports FW-version override\n"); 363 req->vfdev_info.capabilities |= 364 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 365 continue; 366 } 367 } 368 369 /* If PF/VF are using same Major, PF must have had 370 * it's reasons. Simply fail. 371 */ 372 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n"); 373 rc = -EINVAL; 374 goto exit; 375 } else { 376 DP_ERR(p_hwfn, 377 "PF returned error %d to VF acquisition request\n", 378 resp->hdr.status); 379 rc = -EAGAIN; 380 goto exit; 381 } 382 } 383 384 /* Mark the PF as legacy, if needed */ 385 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI) 386 p_iov->b_pre_fp_hsi = true; 387 388 /* In case PF doesn't support multi-queue Tx, update the number of 389 * CIDs to reflect the number of queues [older PFs didn't fill that 390 * field]. 391 */ 392 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 393 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs; 394 395 /* Update bulletin board size with response from PF */ 396 p_iov->bulletin.size = resp->bulletin_size; 397 398 /* get HW info */ 399 p_hwfn->cdev->type = resp->pfdev_info.dev_type; 400 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev; 401 402 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff; 403 404 /* Learn of the possibility of CMT */ 405 if (IS_LEAD_HWFN(p_hwfn)) { 406 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) { 407 DP_NOTICE(p_hwfn, "100g VF\n"); 408 p_hwfn->cdev->num_hwfns = 2; 409 } 410 } 411 412 if (!p_iov->b_pre_fp_hsi && 413 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { 414 DP_INFO(p_hwfn, 415 "PF is using older fastpath HSI; %02x.%02x is configured\n", 416 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); 417 } 418 419 exit: 420 qed_vf_pf_req_end(p_hwfn, rc); 421 422 return rc; 423 } 424 425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id) 426 { 427 u32 bar_size; 428 429 /* Regview size is fixed */ 430 if (bar_id == BAR_ID_0) 431 return 1 << 17; 432 433 /* Doorbell is received from PF */ 434 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size; 435 if (bar_size) 436 return 1 << bar_size; 437 return 0; 438 } 439 440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) 441 { 442 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev); 443 struct qed_vf_iov *p_iov; 444 u32 reg; 445 int rc; 446 447 /* Set number of hwfns - might be overridden once leading hwfn learns 448 * actual configuration from PF. 449 */ 450 if (IS_LEAD_HWFN(p_hwfn)) 451 p_hwfn->cdev->num_hwfns = 1; 452 453 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS; 454 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg); 455 456 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS; 457 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg); 458 459 /* Allocate vf sriov info */ 460 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL); 461 if (!p_iov) 462 return -ENOMEM; 463 464 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell 465 * value, but there are several incompatibily scenarios where that 466 * would be incorrect and we'd need to override it. 467 */ 468 if (!p_hwfn->doorbells) { 469 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 470 PXP_VF_BAR0_START_DQ; 471 } else if (p_hwfn == p_lead) { 472 /* For leading hw-function, value is always correct, but need 473 * to handle scenario where legacy PF would not support 100g 474 * mapped bars later. 475 */ 476 p_iov->b_doorbell_bar = true; 477 } else { 478 /* here, value would be correct ONLY if the leading hwfn 479 * received indication that mapped-bars are supported. 480 */ 481 if (p_lead->vf_iov_info->b_doorbell_bar) 482 p_iov->b_doorbell_bar = true; 483 else 484 p_hwfn->doorbells = (u8 __iomem *) 485 p_hwfn->regview + PXP_VF_BAR0_START_DQ; 486 } 487 488 /* Allocate vf2pf msg */ 489 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 490 sizeof(union vfpf_tlvs), 491 &p_iov->vf2pf_request_phys, 492 GFP_KERNEL); 493 if (!p_iov->vf2pf_request) 494 goto free_p_iov; 495 496 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 497 sizeof(union pfvf_tlvs), 498 &p_iov->pf2vf_reply_phys, 499 GFP_KERNEL); 500 if (!p_iov->pf2vf_reply) 501 goto free_vf2pf_request; 502 503 DP_VERBOSE(p_hwfn, 504 QED_MSG_IOV, 505 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n", 506 p_iov->vf2pf_request, 507 (u64)p_iov->vf2pf_request_phys, 508 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys); 509 510 /* Allocate Bulletin board */ 511 p_iov->bulletin.size = sizeof(struct qed_bulletin_content); 512 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 513 p_iov->bulletin.size, 514 &p_iov->bulletin.phys, 515 GFP_KERNEL); 516 if (!p_iov->bulletin.p_virt) 517 goto free_pf2vf_reply; 518 519 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 520 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n", 521 p_iov->bulletin.p_virt, 522 (u64)p_iov->bulletin.phys, p_iov->bulletin.size); 523 524 mutex_init(&p_iov->mutex); 525 526 p_hwfn->vf_iov_info = p_iov; 527 528 p_hwfn->hw_info.personality = QED_PCI_ETH; 529 530 rc = qed_vf_pf_acquire(p_hwfn); 531 532 /* If VF is 100g using a mapped bar and PF is too old to support that, 533 * acquisition would succeed - but the VF would have no way knowing 534 * the size of the doorbell bar configured in HW and thus will not 535 * know how to split it for 2nd hw-function. 536 * In this case we re-try without the indication of the mapped 537 * doorbell. 538 */ 539 if (!rc && p_iov->b_doorbell_bar && 540 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) && 541 (p_hwfn->cdev->num_hwfns > 1)) { 542 rc = _qed_vf_pf_release(p_hwfn, false); 543 if (rc) 544 return rc; 545 546 p_iov->b_doorbell_bar = false; 547 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 548 PXP_VF_BAR0_START_DQ; 549 rc = qed_vf_pf_acquire(p_hwfn); 550 } 551 552 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 553 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n", 554 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells); 555 556 return rc; 557 558 free_pf2vf_reply: 559 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 560 sizeof(union pfvf_tlvs), 561 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 562 free_vf2pf_request: 563 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 564 sizeof(union vfpf_tlvs), 565 p_iov->vf2pf_request, p_iov->vf2pf_request_phys); 566 free_p_iov: 567 kfree(p_iov); 568 569 return -ENOMEM; 570 } 571 572 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 573 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 574 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 575 576 static void 577 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 578 struct qed_tunn_update_type *p_src, 579 enum qed_tunn_mode mask, u8 *p_cls) 580 { 581 if (p_src->b_update_mode) { 582 p_req->tun_mode_update_mask |= BIT(mask); 583 584 if (p_src->b_mode_enabled) 585 p_req->tunn_mode |= BIT(mask); 586 } 587 588 *p_cls = p_src->tun_cls; 589 } 590 591 static void 592 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 593 struct qed_tunn_update_type *p_src, 594 enum qed_tunn_mode mask, 595 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 596 u8 *p_update_port, u16 *p_udp_port) 597 { 598 if (p_port->b_update_port) { 599 *p_update_port = 1; 600 *p_udp_port = p_port->port; 601 } 602 603 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 604 } 605 606 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 607 { 608 if (p_tun->vxlan.b_mode_enabled) 609 p_tun->vxlan.b_update_mode = true; 610 if (p_tun->l2_geneve.b_mode_enabled) 611 p_tun->l2_geneve.b_update_mode = true; 612 if (p_tun->ip_geneve.b_mode_enabled) 613 p_tun->ip_geneve.b_update_mode = true; 614 if (p_tun->l2_gre.b_mode_enabled) 615 p_tun->l2_gre.b_update_mode = true; 616 if (p_tun->ip_gre.b_mode_enabled) 617 p_tun->ip_gre.b_update_mode = true; 618 619 p_tun->b_update_rx_cls = true; 620 p_tun->b_update_tx_cls = true; 621 } 622 623 static void 624 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 625 u16 feature_mask, u8 tunn_mode, 626 u8 tunn_cls, enum qed_tunn_mode val) 627 { 628 if (feature_mask & BIT(val)) { 629 p_tun->b_mode_enabled = tunn_mode; 630 p_tun->tun_cls = tunn_cls; 631 } else { 632 p_tun->b_mode_enabled = false; 633 } 634 } 635 636 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 637 struct qed_tunnel_info *p_tun, 638 struct pfvf_update_tunn_param_tlv *p_resp) 639 { 640 /* Update mode and classes provided by PF */ 641 u16 feat_mask = p_resp->tunn_feature_mask; 642 643 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 644 p_resp->vxlan_mode, p_resp->vxlan_clss, 645 QED_MODE_VXLAN_TUNN); 646 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 647 p_resp->l2geneve_mode, 648 p_resp->l2geneve_clss, 649 QED_MODE_L2GENEVE_TUNN); 650 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 651 p_resp->ipgeneve_mode, 652 p_resp->ipgeneve_clss, 653 QED_MODE_IPGENEVE_TUNN); 654 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 655 p_resp->l2gre_mode, p_resp->l2gre_clss, 656 QED_MODE_L2GRE_TUNN); 657 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 658 p_resp->ipgre_mode, p_resp->ipgre_clss, 659 QED_MODE_IPGRE_TUNN); 660 p_tun->geneve_port.port = p_resp->geneve_udp_port; 661 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 662 663 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 664 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 665 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 666 p_tun->ip_geneve.b_mode_enabled, 667 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 668 } 669 670 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 671 struct qed_tunnel_info *p_src) 672 { 673 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 674 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 675 struct pfvf_update_tunn_param_tlv *p_resp; 676 struct vfpf_update_tunn_param_tlv *p_req; 677 int rc; 678 679 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 680 sizeof(*p_req)); 681 682 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 683 p_req->update_tun_cls = 1; 684 685 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 686 &p_req->vxlan_clss, &p_src->vxlan_port, 687 &p_req->update_vxlan_port, 688 &p_req->vxlan_port); 689 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 690 QED_MODE_L2GENEVE_TUNN, 691 &p_req->l2geneve_clss, &p_src->geneve_port, 692 &p_req->update_geneve_port, 693 &p_req->geneve_port); 694 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 695 QED_MODE_IPGENEVE_TUNN, 696 &p_req->ipgeneve_clss); 697 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 698 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 699 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 700 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 701 702 /* add list termination tlv */ 703 qed_add_tlv(p_hwfn, &p_iov->offset, 704 CHANNEL_TLV_LIST_END, 705 sizeof(struct channel_list_end_tlv)); 706 707 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 708 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 709 710 if (rc) 711 goto exit; 712 713 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 714 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 715 "Failed to update tunnel parameters\n"); 716 rc = -EINVAL; 717 } 718 719 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 720 exit: 721 qed_vf_pf_req_end(p_hwfn, rc); 722 return rc; 723 } 724 725 int 726 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 727 struct qed_queue_cid *p_cid, 728 u16 bd_max_bytes, 729 dma_addr_t bd_chain_phys_addr, 730 dma_addr_t cqe_pbl_addr, 731 u16 cqe_pbl_size, void __iomem **pp_prod) 732 { 733 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 734 struct pfvf_start_queue_resp_tlv *resp; 735 struct vfpf_start_rxq_tlv *req; 736 u8 rx_qid = p_cid->rel.queue_id; 737 int rc; 738 739 /* clear mailbox and prep first tlv */ 740 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 741 742 req->rx_qid = rx_qid; 743 req->cqe_pbl_addr = cqe_pbl_addr; 744 req->cqe_pbl_size = cqe_pbl_size; 745 req->rxq_addr = bd_chain_phys_addr; 746 req->hw_sb = p_cid->sb_igu_id; 747 req->sb_index = p_cid->sb_idx; 748 req->bd_max_bytes = bd_max_bytes; 749 req->stat_id = -1; 750 751 /* If PF is legacy, we'll need to calculate producers ourselves 752 * as well as clean them. 753 */ 754 if (p_iov->b_pre_fp_hsi) { 755 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 756 u32 init_prod_val = 0; 757 758 *pp_prod = (u8 __iomem *) 759 p_hwfn->regview + 760 MSTORM_QZONE_START(p_hwfn->cdev) + 761 hw_qid * MSTORM_QZONE_SIZE; 762 763 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 764 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 765 (u32 *)(&init_prod_val)); 766 } 767 768 qed_vf_pf_add_qid(p_hwfn, p_cid); 769 770 /* add list termination tlv */ 771 qed_add_tlv(p_hwfn, &p_iov->offset, 772 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 773 774 resp = &p_iov->pf2vf_reply->queue_start; 775 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 776 if (rc) 777 goto exit; 778 779 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 780 rc = -EINVAL; 781 goto exit; 782 } 783 784 /* Learn the address of the producer from the response */ 785 if (!p_iov->b_pre_fp_hsi) { 786 u32 init_prod_val = 0; 787 788 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 789 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 790 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 791 rx_qid, *pp_prod, resp->offset); 792 793 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 794 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 795 (u32 *)&init_prod_val); 796 } 797 exit: 798 qed_vf_pf_req_end(p_hwfn, rc); 799 800 return rc; 801 } 802 803 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 804 struct qed_queue_cid *p_cid, bool cqe_completion) 805 { 806 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 807 struct vfpf_stop_rxqs_tlv *req; 808 struct pfvf_def_resp_tlv *resp; 809 int rc; 810 811 /* clear mailbox and prep first tlv */ 812 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 813 814 req->rx_qid = p_cid->rel.queue_id; 815 req->num_rxqs = 1; 816 req->cqe_completion = cqe_completion; 817 818 qed_vf_pf_add_qid(p_hwfn, p_cid); 819 820 /* add list termination tlv */ 821 qed_add_tlv(p_hwfn, &p_iov->offset, 822 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 823 824 resp = &p_iov->pf2vf_reply->default_resp; 825 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 826 if (rc) 827 goto exit; 828 829 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 830 rc = -EINVAL; 831 goto exit; 832 } 833 834 exit: 835 qed_vf_pf_req_end(p_hwfn, rc); 836 837 return rc; 838 } 839 840 int 841 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 842 struct qed_queue_cid *p_cid, 843 dma_addr_t pbl_addr, 844 u16 pbl_size, void __iomem **pp_doorbell) 845 { 846 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 847 struct pfvf_start_queue_resp_tlv *resp; 848 struct vfpf_start_txq_tlv *req; 849 u16 qid = p_cid->rel.queue_id; 850 int rc; 851 852 /* clear mailbox and prep first tlv */ 853 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 854 855 req->tx_qid = qid; 856 857 /* Tx */ 858 req->pbl_addr = pbl_addr; 859 req->pbl_size = pbl_size; 860 req->hw_sb = p_cid->sb_igu_id; 861 req->sb_index = p_cid->sb_idx; 862 863 qed_vf_pf_add_qid(p_hwfn, p_cid); 864 865 /* add list termination tlv */ 866 qed_add_tlv(p_hwfn, &p_iov->offset, 867 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 868 869 resp = &p_iov->pf2vf_reply->queue_start; 870 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 871 if (rc) 872 goto exit; 873 874 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 875 rc = -EINVAL; 876 goto exit; 877 } 878 879 /* Modern PFs provide the actual offsets, while legacy 880 * provided only the queue id. 881 */ 882 if (!p_iov->b_pre_fp_hsi) { 883 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 884 } else { 885 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 886 887 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 888 qed_db_addr_vf(cid, 889 DQ_DEMS_LEGACY); 890 } 891 892 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 893 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 894 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 895 exit: 896 qed_vf_pf_req_end(p_hwfn, rc); 897 898 return rc; 899 } 900 901 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 902 { 903 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 904 struct vfpf_stop_txqs_tlv *req; 905 struct pfvf_def_resp_tlv *resp; 906 int rc; 907 908 /* clear mailbox and prep first tlv */ 909 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 910 911 req->tx_qid = p_cid->rel.queue_id; 912 req->num_txqs = 1; 913 914 qed_vf_pf_add_qid(p_hwfn, p_cid); 915 916 /* add list termination tlv */ 917 qed_add_tlv(p_hwfn, &p_iov->offset, 918 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 919 920 resp = &p_iov->pf2vf_reply->default_resp; 921 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 922 if (rc) 923 goto exit; 924 925 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 926 rc = -EINVAL; 927 goto exit; 928 } 929 930 exit: 931 qed_vf_pf_req_end(p_hwfn, rc); 932 933 return rc; 934 } 935 936 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 937 u8 vport_id, 938 u16 mtu, 939 u8 inner_vlan_removal, 940 enum qed_tpa_mode tpa_mode, 941 u8 max_buffers_per_cqe, u8 only_untagged) 942 { 943 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 944 struct vfpf_vport_start_tlv *req; 945 struct pfvf_def_resp_tlv *resp; 946 int rc, i; 947 948 /* clear mailbox and prep first tlv */ 949 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 950 951 req->mtu = mtu; 952 req->vport_id = vport_id; 953 req->inner_vlan_removal = inner_vlan_removal; 954 req->tpa_mode = tpa_mode; 955 req->max_buffers_per_cqe = max_buffers_per_cqe; 956 req->only_untagged = only_untagged; 957 958 /* status blocks */ 959 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 960 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 961 962 if (p_sb) 963 req->sb_addr[i] = p_sb->sb_phys; 964 } 965 966 /* add list termination tlv */ 967 qed_add_tlv(p_hwfn, &p_iov->offset, 968 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 969 970 resp = &p_iov->pf2vf_reply->default_resp; 971 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 972 if (rc) 973 goto exit; 974 975 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 976 rc = -EINVAL; 977 goto exit; 978 } 979 980 exit: 981 qed_vf_pf_req_end(p_hwfn, rc); 982 983 return rc; 984 } 985 986 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 987 { 988 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 989 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 990 int rc; 991 992 /* clear mailbox and prep first tlv */ 993 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 994 sizeof(struct vfpf_first_tlv)); 995 996 /* add list termination tlv */ 997 qed_add_tlv(p_hwfn, &p_iov->offset, 998 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 999 1000 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1001 if (rc) 1002 goto exit; 1003 1004 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1005 rc = -EINVAL; 1006 goto exit; 1007 } 1008 1009 exit: 1010 qed_vf_pf_req_end(p_hwfn, rc); 1011 1012 return rc; 1013 } 1014 1015 static bool 1016 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1017 struct qed_sp_vport_update_params *p_data, 1018 u16 tlv) 1019 { 1020 switch (tlv) { 1021 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1022 return !!(p_data->update_vport_active_rx_flg || 1023 p_data->update_vport_active_tx_flg); 1024 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1025 return !!p_data->update_tx_switching_flg; 1026 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1027 return !!p_data->update_inner_vlan_removal_flg; 1028 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1029 return !!p_data->update_accept_any_vlan_flg; 1030 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1031 return !!p_data->update_approx_mcast_flg; 1032 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1033 return !!(p_data->accept_flags.update_rx_mode_config || 1034 p_data->accept_flags.update_tx_mode_config); 1035 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1036 return !!p_data->rss_params; 1037 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1038 return !!p_data->sge_tpa_params; 1039 default: 1040 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1041 tlv); 1042 return false; 1043 } 1044 } 1045 1046 static void 1047 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1048 struct qed_sp_vport_update_params *p_data) 1049 { 1050 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1051 struct pfvf_def_resp_tlv *p_resp; 1052 u16 tlv; 1053 1054 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1055 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1056 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1057 continue; 1058 1059 p_resp = (struct pfvf_def_resp_tlv *) 1060 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1061 tlv); 1062 if (p_resp && p_resp->hdr.status) 1063 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1064 "TLV[%d] Configuration %s\n", 1065 tlv, 1066 (p_resp && p_resp->hdr.status) ? "succeeded" 1067 : "failed"); 1068 } 1069 } 1070 1071 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1072 struct qed_sp_vport_update_params *p_params) 1073 { 1074 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1075 struct vfpf_vport_update_tlv *req; 1076 struct pfvf_def_resp_tlv *resp; 1077 u8 update_rx, update_tx; 1078 u32 resp_size = 0; 1079 u16 size, tlv; 1080 int rc; 1081 1082 resp = &p_iov->pf2vf_reply->default_resp; 1083 resp_size = sizeof(*resp); 1084 1085 update_rx = p_params->update_vport_active_rx_flg; 1086 update_tx = p_params->update_vport_active_tx_flg; 1087 1088 /* clear mailbox and prep header tlv */ 1089 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req)); 1090 1091 /* Prepare extended tlvs */ 1092 if (update_rx || update_tx) { 1093 struct vfpf_vport_update_activate_tlv *p_act_tlv; 1094 1095 size = sizeof(struct vfpf_vport_update_activate_tlv); 1096 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1097 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, 1098 size); 1099 resp_size += sizeof(struct pfvf_def_resp_tlv); 1100 1101 if (update_rx) { 1102 p_act_tlv->update_rx = update_rx; 1103 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1104 } 1105 1106 if (update_tx) { 1107 p_act_tlv->update_tx = update_tx; 1108 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1109 } 1110 } 1111 1112 if (p_params->update_tx_switching_flg) { 1113 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1114 1115 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1116 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1117 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1118 tlv, size); 1119 resp_size += sizeof(struct pfvf_def_resp_tlv); 1120 1121 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg; 1122 } 1123 1124 if (p_params->update_approx_mcast_flg) { 1125 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1126 1127 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv); 1128 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1129 CHANNEL_TLV_VPORT_UPDATE_MCAST, size); 1130 resp_size += sizeof(struct pfvf_def_resp_tlv); 1131 1132 memcpy(p_mcast_tlv->bins, p_params->bins, 1133 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1134 } 1135 1136 update_rx = p_params->accept_flags.update_rx_mode_config; 1137 update_tx = p_params->accept_flags.update_tx_mode_config; 1138 1139 if (update_rx || update_tx) { 1140 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1141 1142 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1143 size = sizeof(struct vfpf_vport_update_accept_param_tlv); 1144 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1145 resp_size += sizeof(struct pfvf_def_resp_tlv); 1146 1147 if (update_rx) { 1148 p_accept_tlv->update_rx_mode = update_rx; 1149 p_accept_tlv->rx_accept_filter = 1150 p_params->accept_flags.rx_accept_filter; 1151 } 1152 1153 if (update_tx) { 1154 p_accept_tlv->update_tx_mode = update_tx; 1155 p_accept_tlv->tx_accept_filter = 1156 p_params->accept_flags.tx_accept_filter; 1157 } 1158 } 1159 1160 if (p_params->rss_params) { 1161 struct qed_rss_params *rss_params = p_params->rss_params; 1162 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1163 int i, table_size; 1164 1165 size = sizeof(struct vfpf_vport_update_rss_tlv); 1166 p_rss_tlv = qed_add_tlv(p_hwfn, 1167 &p_iov->offset, 1168 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1169 resp_size += sizeof(struct pfvf_def_resp_tlv); 1170 1171 if (rss_params->update_rss_config) 1172 p_rss_tlv->update_rss_flags |= 1173 VFPF_UPDATE_RSS_CONFIG_FLAG; 1174 if (rss_params->update_rss_capabilities) 1175 p_rss_tlv->update_rss_flags |= 1176 VFPF_UPDATE_RSS_CAPS_FLAG; 1177 if (rss_params->update_rss_ind_table) 1178 p_rss_tlv->update_rss_flags |= 1179 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1180 if (rss_params->update_rss_key) 1181 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1182 1183 p_rss_tlv->rss_enable = rss_params->rss_enable; 1184 p_rss_tlv->rss_caps = rss_params->rss_caps; 1185 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1186 1187 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1188 1 << p_rss_tlv->rss_table_size_log); 1189 for (i = 0; i < table_size; i++) { 1190 struct qed_queue_cid *p_queue; 1191 1192 p_queue = rss_params->rss_ind_table[i]; 1193 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1194 } 1195 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1196 sizeof(rss_params->rss_key)); 1197 } 1198 1199 if (p_params->update_accept_any_vlan_flg) { 1200 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1201 1202 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1203 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1204 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1205 1206 resp_size += sizeof(struct pfvf_def_resp_tlv); 1207 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1208 p_any_vlan_tlv->update_accept_any_vlan_flg = 1209 p_params->update_accept_any_vlan_flg; 1210 } 1211 1212 /* add list termination tlv */ 1213 qed_add_tlv(p_hwfn, &p_iov->offset, 1214 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1215 1216 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size); 1217 if (rc) 1218 goto exit; 1219 1220 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1221 rc = -EINVAL; 1222 goto exit; 1223 } 1224 1225 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1226 1227 exit: 1228 qed_vf_pf_req_end(p_hwfn, rc); 1229 1230 return rc; 1231 } 1232 1233 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1234 { 1235 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1236 struct pfvf_def_resp_tlv *resp; 1237 struct vfpf_first_tlv *req; 1238 int rc; 1239 1240 /* clear mailbox and prep first tlv */ 1241 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1242 1243 /* add list termination tlv */ 1244 qed_add_tlv(p_hwfn, &p_iov->offset, 1245 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1246 1247 resp = &p_iov->pf2vf_reply->default_resp; 1248 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1249 if (rc) 1250 goto exit; 1251 1252 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1253 rc = -EAGAIN; 1254 goto exit; 1255 } 1256 1257 p_hwfn->b_int_enabled = 0; 1258 1259 exit: 1260 qed_vf_pf_req_end(p_hwfn, rc); 1261 1262 return rc; 1263 } 1264 1265 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1266 struct qed_filter_mcast *p_filter_cmd) 1267 { 1268 struct qed_sp_vport_update_params sp_params; 1269 int i; 1270 1271 memset(&sp_params, 0, sizeof(sp_params)); 1272 sp_params.update_approx_mcast_flg = 1; 1273 1274 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1275 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1276 u32 bit; 1277 1278 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1279 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1280 } 1281 } 1282 1283 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1284 } 1285 1286 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1287 struct qed_filter_ucast *p_ucast) 1288 { 1289 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1290 struct vfpf_ucast_filter_tlv *req; 1291 struct pfvf_def_resp_tlv *resp; 1292 int rc; 1293 1294 /* clear mailbox and prep first tlv */ 1295 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1296 req->opcode = (u8)p_ucast->opcode; 1297 req->type = (u8)p_ucast->type; 1298 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1299 req->vlan = p_ucast->vlan; 1300 1301 /* add list termination tlv */ 1302 qed_add_tlv(p_hwfn, &p_iov->offset, 1303 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1304 1305 resp = &p_iov->pf2vf_reply->default_resp; 1306 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1307 if (rc) 1308 goto exit; 1309 1310 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1311 rc = -EAGAIN; 1312 goto exit; 1313 } 1314 1315 exit: 1316 qed_vf_pf_req_end(p_hwfn, rc); 1317 1318 return rc; 1319 } 1320 1321 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1322 { 1323 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1324 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1325 int rc; 1326 1327 /* clear mailbox and prep first tlv */ 1328 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1329 sizeof(struct vfpf_first_tlv)); 1330 1331 /* add list termination tlv */ 1332 qed_add_tlv(p_hwfn, &p_iov->offset, 1333 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1334 1335 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1336 if (rc) 1337 goto exit; 1338 1339 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1340 rc = -EINVAL; 1341 goto exit; 1342 } 1343 1344 exit: 1345 qed_vf_pf_req_end(p_hwfn, rc); 1346 1347 return rc; 1348 } 1349 1350 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1351 u16 *p_coal, struct qed_queue_cid *p_cid) 1352 { 1353 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1354 struct pfvf_read_coal_resp_tlv *resp; 1355 struct vfpf_read_coal_req_tlv *req; 1356 int rc; 1357 1358 /* clear mailbox and prep header tlv */ 1359 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1360 req->qid = p_cid->rel.queue_id; 1361 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1362 1363 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1364 sizeof(struct channel_list_end_tlv)); 1365 resp = &p_iov->pf2vf_reply->read_coal_resp; 1366 1367 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1368 if (rc) 1369 goto exit; 1370 1371 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1372 goto exit; 1373 1374 *p_coal = resp->coal; 1375 exit: 1376 qed_vf_pf_req_end(p_hwfn, rc); 1377 1378 return rc; 1379 } 1380 1381 int 1382 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1383 const u8 *p_mac) 1384 { 1385 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1386 struct vfpf_bulletin_update_mac_tlv *p_req; 1387 struct pfvf_def_resp_tlv *p_resp; 1388 int rc; 1389 1390 if (!p_mac) 1391 return -EINVAL; 1392 1393 /* clear mailbox and prep header tlv */ 1394 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1395 sizeof(*p_req)); 1396 ether_addr_copy(p_req->mac, p_mac); 1397 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1398 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1399 1400 /* add list termination tlv */ 1401 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1402 sizeof(struct channel_list_end_tlv)); 1403 1404 p_resp = &p_iov->pf2vf_reply->default_resp; 1405 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 1406 qed_vf_pf_req_end(p_hwfn, rc); 1407 return rc; 1408 } 1409 1410 int 1411 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1412 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1413 { 1414 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1415 struct vfpf_update_coalesce *req; 1416 struct pfvf_def_resp_tlv *resp; 1417 int rc; 1418 1419 /* clear mailbox and prep header tlv */ 1420 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1421 1422 req->rx_coal = rx_coal; 1423 req->tx_coal = tx_coal; 1424 req->qid = p_cid->rel.queue_id; 1425 1426 DP_VERBOSE(p_hwfn, 1427 QED_MSG_IOV, 1428 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1429 rx_coal, tx_coal, req->qid); 1430 1431 /* add list termination tlv */ 1432 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1433 sizeof(struct channel_list_end_tlv)); 1434 1435 resp = &p_iov->pf2vf_reply->default_resp; 1436 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1437 if (rc) 1438 goto exit; 1439 1440 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1441 goto exit; 1442 1443 if (rx_coal) 1444 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1445 1446 if (tx_coal) 1447 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1448 1449 exit: 1450 qed_vf_pf_req_end(p_hwfn, rc); 1451 return rc; 1452 } 1453 1454 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1455 { 1456 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1457 1458 if (!p_iov) { 1459 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1460 return 0; 1461 } 1462 1463 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1464 } 1465 1466 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1467 u16 sb_id, struct qed_sb_info *p_sb) 1468 { 1469 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1470 1471 if (!p_iov) { 1472 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1473 return; 1474 } 1475 1476 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1477 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1478 return; 1479 } 1480 1481 p_iov->sbs_info[sb_id] = p_sb; 1482 } 1483 1484 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1485 { 1486 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1487 struct qed_bulletin_content shadow; 1488 u32 crc, crc_size; 1489 1490 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1491 *p_change = 0; 1492 1493 /* Need to guarantee PF is not in the middle of writing it */ 1494 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1495 1496 /* If version did not update, no need to do anything */ 1497 if (shadow.version == p_iov->bulletin_shadow.version) 1498 return 0; 1499 1500 /* Verify the bulletin we see is valid */ 1501 crc = crc32(0, (u8 *)&shadow + crc_size, 1502 p_iov->bulletin.size - crc_size); 1503 if (crc != shadow.crc) 1504 return -EAGAIN; 1505 1506 /* Set the shadow bulletin and process it */ 1507 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1508 1509 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1510 "Read a bulletin update %08x\n", shadow.version); 1511 1512 *p_change = 1; 1513 1514 return 0; 1515 } 1516 1517 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1518 struct qed_mcp_link_params *p_params, 1519 struct qed_bulletin_content *p_bulletin) 1520 { 1521 memset(p_params, 0, sizeof(*p_params)); 1522 1523 p_params->speed.autoneg = p_bulletin->req_autoneg; 1524 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1525 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1526 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1527 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1528 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1529 p_params->loopback_mode = p_bulletin->req_loopback; 1530 } 1531 1532 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1533 struct qed_mcp_link_params *params) 1534 { 1535 __qed_vf_get_link_params(p_hwfn, params, 1536 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1537 } 1538 1539 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1540 struct qed_mcp_link_state *p_link, 1541 struct qed_bulletin_content *p_bulletin) 1542 { 1543 memset(p_link, 0, sizeof(*p_link)); 1544 1545 p_link->link_up = p_bulletin->link_up; 1546 p_link->speed = p_bulletin->speed; 1547 p_link->full_duplex = p_bulletin->full_duplex; 1548 p_link->an = p_bulletin->autoneg; 1549 p_link->an_complete = p_bulletin->autoneg_complete; 1550 p_link->parallel_detection = p_bulletin->parallel_detection; 1551 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1552 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1553 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1554 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1555 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1556 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1557 } 1558 1559 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1560 struct qed_mcp_link_state *link) 1561 { 1562 __qed_vf_get_link_state(p_hwfn, link, 1563 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1564 } 1565 1566 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1567 struct qed_mcp_link_capabilities *p_link_caps, 1568 struct qed_bulletin_content *p_bulletin) 1569 { 1570 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1571 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1572 } 1573 1574 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1575 struct qed_mcp_link_capabilities *p_link_caps) 1576 { 1577 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1578 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1579 } 1580 1581 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1582 { 1583 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1584 } 1585 1586 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1587 { 1588 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1589 } 1590 1591 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1592 { 1593 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1594 } 1595 1596 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1597 { 1598 memcpy(port_mac, 1599 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1600 } 1601 1602 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1603 { 1604 struct qed_vf_iov *p_vf; 1605 1606 p_vf = p_hwfn->vf_iov_info; 1607 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1608 } 1609 1610 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1611 { 1612 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1613 1614 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1615 } 1616 1617 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1618 { 1619 struct qed_bulletin_content *bulletin; 1620 1621 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1622 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1623 return true; 1624 1625 /* Forbid VF from changing a MAC enforced by PF */ 1626 if (ether_addr_equal(bulletin->mac, mac)) 1627 return false; 1628 1629 return false; 1630 } 1631 1632 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1633 u8 *dst_mac, u8 *p_is_forced) 1634 { 1635 struct qed_bulletin_content *bulletin; 1636 1637 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1638 1639 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1640 if (p_is_forced) 1641 *p_is_forced = 1; 1642 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1643 if (p_is_forced) 1644 *p_is_forced = 0; 1645 } else { 1646 return false; 1647 } 1648 1649 ether_addr_copy(dst_mac, bulletin->mac); 1650 1651 return true; 1652 } 1653 1654 static void 1655 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1656 u16 *p_vxlan_port, u16 *p_geneve_port) 1657 { 1658 struct qed_bulletin_content *p_bulletin; 1659 1660 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1661 1662 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1663 *p_geneve_port = p_bulletin->geneve_udp_port; 1664 } 1665 1666 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1667 u16 *fw_major, u16 *fw_minor, 1668 u16 *fw_rev, u16 *fw_eng) 1669 { 1670 struct pf_vf_pfdev_info *info; 1671 1672 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1673 1674 *fw_major = info->fw_major; 1675 *fw_minor = info->fw_minor; 1676 *fw_rev = info->fw_rev; 1677 *fw_eng = info->fw_eng; 1678 } 1679 1680 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1681 { 1682 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1683 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1684 void *cookie = hwfn->cdev->ops_cookie; 1685 u16 vxlan_port, geneve_port; 1686 1687 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1688 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1689 &is_mac_forced); 1690 if (is_mac_exist && cookie) 1691 ops->force_mac(cookie, mac, !!is_mac_forced); 1692 1693 ops->ports_update(cookie, vxlan_port, geneve_port); 1694 1695 /* Always update link configuration according to bulletin */ 1696 qed_link_update(hwfn, NULL); 1697 } 1698 1699 void qed_iov_vf_task(struct work_struct *work) 1700 { 1701 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1702 iov_task.work); 1703 u8 change = 0; 1704 1705 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1706 return; 1707 1708 /* Handle bulletin board changes */ 1709 qed_vf_read_bulletin(hwfn, &change); 1710 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1711 &hwfn->iov_task_flags)) 1712 change = 1; 1713 if (change) 1714 qed_handle_bulletin_change(hwfn); 1715 1716 /* As VF is polling bulletin board, need to constantly re-schedule */ 1717 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1718 } 1719