1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include <linux/crc32.h> 34 #include <linux/etherdevice.h> 35 #include "qed.h" 36 #include "qed_sriov.h" 37 #include "qed_vf.h" 38 39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length) 40 { 41 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 42 void *p_tlv; 43 44 /* This lock is released when we receive PF's response 45 * in qed_send_msg2pf(). 46 * So, qed_vf_pf_prep() and qed_send_msg2pf() 47 * must come in sequence. 48 */ 49 mutex_lock(&(p_iov->mutex)); 50 51 DP_VERBOSE(p_hwfn, 52 QED_MSG_IOV, 53 "preparing to send 0x%04x tlv over vf pf channel\n", 54 type); 55 56 /* Reset Requst offset */ 57 p_iov->offset = (u8 *)p_iov->vf2pf_request; 58 59 /* Clear mailbox - both request and reply */ 60 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs)); 61 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 62 63 /* Init type and length */ 64 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length); 65 66 /* Init first tlv header */ 67 ((struct vfpf_first_tlv *)p_tlv)->reply_address = 68 (u64)p_iov->pf2vf_reply_phys; 69 70 return p_tlv; 71 } 72 73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status) 74 { 75 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply; 76 77 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 78 "VF request status = 0x%x, PF reply status = 0x%x\n", 79 req_status, resp->default_resp.hdr.status); 80 81 mutex_unlock(&(p_hwfn->vf_iov_info->mutex)); 82 } 83 84 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size) 85 { 86 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request; 87 struct ustorm_trigger_vf_zone trigger; 88 struct ustorm_vf_zone *zone_data; 89 int rc = 0, time = 100; 90 91 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B; 92 93 /* output tlvs list */ 94 qed_dp_tlv_list(p_hwfn, p_req); 95 96 /* need to add the END TLV to the message size */ 97 resp_size += sizeof(struct channel_list_end_tlv); 98 99 /* Send TLVs over HW channel */ 100 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone)); 101 trigger.vf_pf_msg_valid = 1; 102 103 DP_VERBOSE(p_hwfn, 104 QED_MSG_IOV, 105 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n", 106 GET_FIELD(p_hwfn->hw_info.concrete_fid, 107 PXP_CONCRETE_FID_PFID), 108 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 109 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 110 &zone_data->non_trigger.vf_pf_msg_addr, 111 *((u32 *)&trigger), &zone_data->trigger); 112 113 REG_WR(p_hwfn, 114 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo, 115 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 116 117 REG_WR(p_hwfn, 118 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi, 119 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 120 121 /* The message data must be written first, to prevent trigger before 122 * data is written. 123 */ 124 wmb(); 125 126 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger)); 127 128 /* When PF would be done with the response, it would write back to the 129 * `done' address. Poll until then. 130 */ 131 while ((!*done) && time) { 132 msleep(25); 133 time--; 134 } 135 136 if (!*done) { 137 DP_NOTICE(p_hwfn, 138 "VF <-- PF Timeout [Type %d]\n", 139 p_req->first_tlv.tl.type); 140 rc = -EBUSY; 141 } else { 142 if ((*done != PFVF_STATUS_SUCCESS) && 143 (*done != PFVF_STATUS_NO_RESOURCE)) 144 DP_NOTICE(p_hwfn, 145 "PF response: %d [Type %d]\n", 146 *done, p_req->first_tlv.tl.type); 147 else 148 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 149 "PF response: %d [Type %d]\n", 150 *done, p_req->first_tlv.tl.type); 151 } 152 153 return rc; 154 } 155 156 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn, 157 struct qed_queue_cid *p_cid) 158 { 159 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 160 struct vfpf_qid_tlv *p_qid_tlv; 161 162 /* Only add QIDs for the queue if it was negotiated with PF */ 163 if (!(p_iov->acquire_resp.pfdev_info.capabilities & 164 PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 165 return; 166 167 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 168 CHANNEL_TLV_QID, sizeof(*p_qid_tlv)); 169 p_qid_tlv->qid = p_cid->qid_usage_idx; 170 } 171 172 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final) 173 { 174 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 175 struct pfvf_def_resp_tlv *resp; 176 struct vfpf_first_tlv *req; 177 u32 size; 178 int rc; 179 180 /* clear mailbox and prep first tlv */ 181 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req)); 182 183 /* add list termination tlv */ 184 qed_add_tlv(p_hwfn, &p_iov->offset, 185 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 186 187 resp = &p_iov->pf2vf_reply->default_resp; 188 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 189 190 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS) 191 rc = -EAGAIN; 192 193 qed_vf_pf_req_end(p_hwfn, rc); 194 if (!b_final) 195 return rc; 196 197 p_hwfn->b_int_enabled = 0; 198 199 if (p_iov->vf2pf_request) 200 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 201 sizeof(union vfpf_tlvs), 202 p_iov->vf2pf_request, 203 p_iov->vf2pf_request_phys); 204 if (p_iov->pf2vf_reply) 205 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 206 sizeof(union pfvf_tlvs), 207 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 208 209 if (p_iov->bulletin.p_virt) { 210 size = sizeof(struct qed_bulletin_content); 211 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 212 size, 213 p_iov->bulletin.p_virt, p_iov->bulletin.phys); 214 } 215 216 kfree(p_hwfn->vf_iov_info); 217 p_hwfn->vf_iov_info = NULL; 218 219 return rc; 220 } 221 222 int qed_vf_pf_release(struct qed_hwfn *p_hwfn) 223 { 224 return _qed_vf_pf_release(p_hwfn, true); 225 } 226 227 #define VF_ACQUIRE_THRESH 3 228 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, 229 struct vf_pf_resc_request *p_req, 230 struct pf_vf_resc *p_resp) 231 { 232 DP_VERBOSE(p_hwfn, 233 QED_MSG_IOV, 234 "PF unwilling to fullill 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", 235 p_req->num_rxqs, 236 p_resp->num_rxqs, 237 p_req->num_rxqs, 238 p_resp->num_txqs, 239 p_req->num_sbs, 240 p_resp->num_sbs, 241 p_req->num_mac_filters, 242 p_resp->num_mac_filters, 243 p_req->num_vlan_filters, 244 p_resp->num_vlan_filters, 245 p_req->num_mc_filters, 246 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids); 247 248 /* humble our request */ 249 p_req->num_txqs = p_resp->num_txqs; 250 p_req->num_rxqs = p_resp->num_rxqs; 251 p_req->num_sbs = p_resp->num_sbs; 252 p_req->num_mac_filters = p_resp->num_mac_filters; 253 p_req->num_vlan_filters = p_resp->num_vlan_filters; 254 p_req->num_mc_filters = p_resp->num_mc_filters; 255 p_req->num_cids = p_resp->num_cids; 256 } 257 258 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) 259 { 260 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 261 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; 262 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 263 struct vf_pf_resc_request *p_resc; 264 bool resources_acquired = false; 265 struct vfpf_acquire_tlv *req; 266 int rc = 0, attempts = 0; 267 268 /* clear mailbox and prep first tlv */ 269 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 270 p_resc = &req->resc_request; 271 272 /* starting filling the request */ 273 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; 274 275 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; 276 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; 277 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; 278 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; 279 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 280 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS; 281 282 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; 283 req->vfdev_info.fw_major = FW_MAJOR_VERSION; 284 req->vfdev_info.fw_minor = FW_MINOR_VERSION; 285 req->vfdev_info.fw_revision = FW_REVISION_VERSION; 286 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; 287 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; 288 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; 289 290 /* Fill capability field with any non-deprecated config we support */ 291 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; 292 293 /* If we've mapped the doorbell bar, try using queue qids */ 294 if (p_iov->b_doorbell_bar) { 295 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR | 296 VFPF_ACQUIRE_CAP_QUEUE_QIDS; 297 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS; 298 } 299 300 /* pf 2 vf bulletin board address */ 301 req->bulletin_addr = p_iov->bulletin.phys; 302 req->bulletin_size = p_iov->bulletin.size; 303 304 /* add list termination tlv */ 305 qed_add_tlv(p_hwfn, &p_iov->offset, 306 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 307 308 while (!resources_acquired) { 309 DP_VERBOSE(p_hwfn, 310 QED_MSG_IOV, "attempting to acquire resources\n"); 311 312 /* Clear response buffer, as this might be a re-send */ 313 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 314 315 /* send acquire request */ 316 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 317 if (rc) 318 goto exit; 319 320 /* copy acquire response from buffer to p_hwfn */ 321 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp)); 322 323 attempts++; 324 325 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 326 /* PF agrees to allocate our resources */ 327 if (!(resp->pfdev_info.capabilities & 328 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) { 329 /* It's possible legacy PF mistakenly accepted; 330 * but we don't care - simply mark it as 331 * legacy and continue. 332 */ 333 req->vfdev_info.capabilities |= 334 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 335 } 336 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n"); 337 resources_acquired = true; 338 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && 339 attempts < VF_ACQUIRE_THRESH) { 340 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, 341 &resp->resc); 342 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) { 343 if (pfdev_info->major_fp_hsi && 344 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { 345 DP_NOTICE(p_hwfn, 346 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", 347 pfdev_info->major_fp_hsi, 348 pfdev_info->minor_fp_hsi, 349 ETH_HSI_VER_MAJOR, 350 ETH_HSI_VER_MINOR, 351 pfdev_info->major_fp_hsi); 352 rc = -EINVAL; 353 goto exit; 354 } 355 356 if (!pfdev_info->major_fp_hsi) { 357 if (req->vfdev_info.capabilities & 358 VFPF_ACQUIRE_CAP_PRE_FP_HSI) { 359 DP_NOTICE(p_hwfn, 360 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n"); 361 rc = -EINVAL; 362 goto exit; 363 } else { 364 DP_INFO(p_hwfn, 365 "PF is old - try re-acquire to see if it supports FW-version override\n"); 366 req->vfdev_info.capabilities |= 367 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 368 continue; 369 } 370 } 371 372 /* If PF/VF are using same Major, PF must have had 373 * it's reasons. Simply fail. 374 */ 375 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n"); 376 rc = -EINVAL; 377 goto exit; 378 } else { 379 DP_ERR(p_hwfn, 380 "PF returned error %d to VF acquisition request\n", 381 resp->hdr.status); 382 rc = -EAGAIN; 383 goto exit; 384 } 385 } 386 387 /* Mark the PF as legacy, if needed */ 388 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI) 389 p_iov->b_pre_fp_hsi = true; 390 391 /* In case PF doesn't support multi-queue Tx, update the number of 392 * CIDs to reflect the number of queues [older PFs didn't fill that 393 * field]. 394 */ 395 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 396 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs; 397 398 /* Update bulletin board size with response from PF */ 399 p_iov->bulletin.size = resp->bulletin_size; 400 401 /* get HW info */ 402 p_hwfn->cdev->type = resp->pfdev_info.dev_type; 403 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev; 404 405 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff; 406 407 /* Learn of the possibility of CMT */ 408 if (IS_LEAD_HWFN(p_hwfn)) { 409 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) { 410 DP_NOTICE(p_hwfn, "100g VF\n"); 411 p_hwfn->cdev->num_hwfns = 2; 412 } 413 } 414 415 if (!p_iov->b_pre_fp_hsi && 416 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { 417 DP_INFO(p_hwfn, 418 "PF is using older fastpath HSI; %02x.%02x is configured\n", 419 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); 420 } 421 422 exit: 423 qed_vf_pf_req_end(p_hwfn, rc); 424 425 return rc; 426 } 427 428 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id) 429 { 430 u32 bar_size; 431 432 /* Regview size is fixed */ 433 if (bar_id == BAR_ID_0) 434 return 1 << 17; 435 436 /* Doorbell is received from PF */ 437 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size; 438 if (bar_size) 439 return 1 << bar_size; 440 return 0; 441 } 442 443 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) 444 { 445 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev); 446 struct qed_vf_iov *p_iov; 447 u32 reg; 448 int rc; 449 450 /* Set number of hwfns - might be overriden once leading hwfn learns 451 * actual configuration from PF. 452 */ 453 if (IS_LEAD_HWFN(p_hwfn)) 454 p_hwfn->cdev->num_hwfns = 1; 455 456 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS; 457 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg); 458 459 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS; 460 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg); 461 462 /* Allocate vf sriov info */ 463 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL); 464 if (!p_iov) 465 return -ENOMEM; 466 467 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell 468 * value, but there are several incompatibily scenarios where that 469 * would be incorrect and we'd need to override it. 470 */ 471 if (!p_hwfn->doorbells) { 472 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 473 PXP_VF_BAR0_START_DQ; 474 } else if (p_hwfn == p_lead) { 475 /* For leading hw-function, value is always correct, but need 476 * to handle scenario where legacy PF would not support 100g 477 * mapped bars later. 478 */ 479 p_iov->b_doorbell_bar = true; 480 } else { 481 /* here, value would be correct ONLY if the leading hwfn 482 * received indication that mapped-bars are supported. 483 */ 484 if (p_lead->vf_iov_info->b_doorbell_bar) 485 p_iov->b_doorbell_bar = true; 486 else 487 p_hwfn->doorbells = (u8 __iomem *) 488 p_hwfn->regview + PXP_VF_BAR0_START_DQ; 489 } 490 491 /* Allocate vf2pf msg */ 492 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 493 sizeof(union vfpf_tlvs), 494 &p_iov->vf2pf_request_phys, 495 GFP_KERNEL); 496 if (!p_iov->vf2pf_request) 497 goto free_p_iov; 498 499 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 500 sizeof(union pfvf_tlvs), 501 &p_iov->pf2vf_reply_phys, 502 GFP_KERNEL); 503 if (!p_iov->pf2vf_reply) 504 goto free_vf2pf_request; 505 506 DP_VERBOSE(p_hwfn, 507 QED_MSG_IOV, 508 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n", 509 p_iov->vf2pf_request, 510 (u64) p_iov->vf2pf_request_phys, 511 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys); 512 513 /* Allocate Bulletin board */ 514 p_iov->bulletin.size = sizeof(struct qed_bulletin_content); 515 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 516 p_iov->bulletin.size, 517 &p_iov->bulletin.phys, 518 GFP_KERNEL); 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_vf2pf_request: 559 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 560 sizeof(union vfpf_tlvs), 561 p_iov->vf2pf_request, p_iov->vf2pf_request_phys); 562 free_p_iov: 563 kfree(p_iov); 564 565 return -ENOMEM; 566 } 567 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 568 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 569 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 570 571 static void 572 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 573 struct qed_tunn_update_type *p_src, 574 enum qed_tunn_mode mask, u8 *p_cls) 575 { 576 if (p_src->b_update_mode) { 577 p_req->tun_mode_update_mask |= BIT(mask); 578 579 if (p_src->b_mode_enabled) 580 p_req->tunn_mode |= BIT(mask); 581 } 582 583 *p_cls = p_src->tun_cls; 584 } 585 586 static void 587 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 588 struct qed_tunn_update_type *p_src, 589 enum qed_tunn_mode mask, 590 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 591 u8 *p_update_port, u16 *p_udp_port) 592 { 593 if (p_port->b_update_port) { 594 *p_update_port = 1; 595 *p_udp_port = p_port->port; 596 } 597 598 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 599 } 600 601 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 602 { 603 if (p_tun->vxlan.b_mode_enabled) 604 p_tun->vxlan.b_update_mode = true; 605 if (p_tun->l2_geneve.b_mode_enabled) 606 p_tun->l2_geneve.b_update_mode = true; 607 if (p_tun->ip_geneve.b_mode_enabled) 608 p_tun->ip_geneve.b_update_mode = true; 609 if (p_tun->l2_gre.b_mode_enabled) 610 p_tun->l2_gre.b_update_mode = true; 611 if (p_tun->ip_gre.b_mode_enabled) 612 p_tun->ip_gre.b_update_mode = true; 613 614 p_tun->b_update_rx_cls = true; 615 p_tun->b_update_tx_cls = true; 616 } 617 618 static void 619 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 620 u16 feature_mask, u8 tunn_mode, 621 u8 tunn_cls, enum qed_tunn_mode val) 622 { 623 if (feature_mask & BIT(val)) { 624 p_tun->b_mode_enabled = tunn_mode; 625 p_tun->tun_cls = tunn_cls; 626 } else { 627 p_tun->b_mode_enabled = false; 628 } 629 } 630 631 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 632 struct qed_tunnel_info *p_tun, 633 struct pfvf_update_tunn_param_tlv *p_resp) 634 { 635 /* Update mode and classes provided by PF */ 636 u16 feat_mask = p_resp->tunn_feature_mask; 637 638 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 639 p_resp->vxlan_mode, p_resp->vxlan_clss, 640 QED_MODE_VXLAN_TUNN); 641 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 642 p_resp->l2geneve_mode, 643 p_resp->l2geneve_clss, 644 QED_MODE_L2GENEVE_TUNN); 645 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 646 p_resp->ipgeneve_mode, 647 p_resp->ipgeneve_clss, 648 QED_MODE_IPGENEVE_TUNN); 649 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 650 p_resp->l2gre_mode, p_resp->l2gre_clss, 651 QED_MODE_L2GRE_TUNN); 652 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 653 p_resp->ipgre_mode, p_resp->ipgre_clss, 654 QED_MODE_IPGRE_TUNN); 655 p_tun->geneve_port.port = p_resp->geneve_udp_port; 656 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 657 658 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 659 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 660 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 661 p_tun->ip_geneve.b_mode_enabled, 662 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 663 } 664 665 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 666 struct qed_tunnel_info *p_src) 667 { 668 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 669 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 670 struct pfvf_update_tunn_param_tlv *p_resp; 671 struct vfpf_update_tunn_param_tlv *p_req; 672 int rc; 673 674 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 675 sizeof(*p_req)); 676 677 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 678 p_req->update_tun_cls = 1; 679 680 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 681 &p_req->vxlan_clss, &p_src->vxlan_port, 682 &p_req->update_vxlan_port, 683 &p_req->vxlan_port); 684 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 685 QED_MODE_L2GENEVE_TUNN, 686 &p_req->l2geneve_clss, &p_src->geneve_port, 687 &p_req->update_geneve_port, 688 &p_req->geneve_port); 689 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 690 QED_MODE_IPGENEVE_TUNN, 691 &p_req->ipgeneve_clss); 692 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 693 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 694 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 695 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 696 697 /* add list termination tlv */ 698 qed_add_tlv(p_hwfn, &p_iov->offset, 699 CHANNEL_TLV_LIST_END, 700 sizeof(struct channel_list_end_tlv)); 701 702 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 703 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 704 705 if (rc) 706 goto exit; 707 708 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 709 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 710 "Failed to update tunnel parameters\n"); 711 rc = -EINVAL; 712 } 713 714 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 715 exit: 716 qed_vf_pf_req_end(p_hwfn, rc); 717 return rc; 718 } 719 720 int 721 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 722 struct qed_queue_cid *p_cid, 723 u16 bd_max_bytes, 724 dma_addr_t bd_chain_phys_addr, 725 dma_addr_t cqe_pbl_addr, 726 u16 cqe_pbl_size, void __iomem **pp_prod) 727 { 728 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 729 struct pfvf_start_queue_resp_tlv *resp; 730 struct vfpf_start_rxq_tlv *req; 731 u8 rx_qid = p_cid->rel.queue_id; 732 int rc; 733 734 /* clear mailbox and prep first tlv */ 735 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 736 737 req->rx_qid = rx_qid; 738 req->cqe_pbl_addr = cqe_pbl_addr; 739 req->cqe_pbl_size = cqe_pbl_size; 740 req->rxq_addr = bd_chain_phys_addr; 741 req->hw_sb = p_cid->sb_igu_id; 742 req->sb_index = p_cid->sb_idx; 743 req->bd_max_bytes = bd_max_bytes; 744 req->stat_id = -1; 745 746 /* If PF is legacy, we'll need to calculate producers ourselves 747 * as well as clean them. 748 */ 749 if (p_iov->b_pre_fp_hsi) { 750 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 751 u32 init_prod_val = 0; 752 753 *pp_prod = (u8 __iomem *) 754 p_hwfn->regview + 755 MSTORM_QZONE_START(p_hwfn->cdev) + 756 hw_qid * MSTORM_QZONE_SIZE; 757 758 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 759 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 760 (u32 *)(&init_prod_val)); 761 } 762 763 qed_vf_pf_add_qid(p_hwfn, p_cid); 764 765 /* add list termination tlv */ 766 qed_add_tlv(p_hwfn, &p_iov->offset, 767 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 768 769 resp = &p_iov->pf2vf_reply->queue_start; 770 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 771 if (rc) 772 goto exit; 773 774 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 775 rc = -EINVAL; 776 goto exit; 777 } 778 779 /* Learn the address of the producer from the response */ 780 if (!p_iov->b_pre_fp_hsi) { 781 u32 init_prod_val = 0; 782 783 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 784 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 785 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 786 rx_qid, *pp_prod, resp->offset); 787 788 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 789 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 790 (u32 *)&init_prod_val); 791 } 792 exit: 793 qed_vf_pf_req_end(p_hwfn, rc); 794 795 return rc; 796 } 797 798 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 799 struct qed_queue_cid *p_cid, bool cqe_completion) 800 { 801 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 802 struct vfpf_stop_rxqs_tlv *req; 803 struct pfvf_def_resp_tlv *resp; 804 int rc; 805 806 /* clear mailbox and prep first tlv */ 807 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 808 809 req->rx_qid = p_cid->rel.queue_id; 810 req->num_rxqs = 1; 811 req->cqe_completion = cqe_completion; 812 813 qed_vf_pf_add_qid(p_hwfn, p_cid); 814 815 /* add list termination tlv */ 816 qed_add_tlv(p_hwfn, &p_iov->offset, 817 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 818 819 resp = &p_iov->pf2vf_reply->default_resp; 820 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 821 if (rc) 822 goto exit; 823 824 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 825 rc = -EINVAL; 826 goto exit; 827 } 828 829 exit: 830 qed_vf_pf_req_end(p_hwfn, rc); 831 832 return rc; 833 } 834 835 int 836 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 837 struct qed_queue_cid *p_cid, 838 dma_addr_t pbl_addr, 839 u16 pbl_size, void __iomem **pp_doorbell) 840 { 841 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 842 struct pfvf_start_queue_resp_tlv *resp; 843 struct vfpf_start_txq_tlv *req; 844 u16 qid = p_cid->rel.queue_id; 845 int rc; 846 847 /* clear mailbox and prep first tlv */ 848 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 849 850 req->tx_qid = qid; 851 852 /* Tx */ 853 req->pbl_addr = pbl_addr; 854 req->pbl_size = pbl_size; 855 req->hw_sb = p_cid->sb_igu_id; 856 req->sb_index = p_cid->sb_idx; 857 858 qed_vf_pf_add_qid(p_hwfn, p_cid); 859 860 /* add list termination tlv */ 861 qed_add_tlv(p_hwfn, &p_iov->offset, 862 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 863 864 resp = &p_iov->pf2vf_reply->queue_start; 865 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 866 if (rc) 867 goto exit; 868 869 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 870 rc = -EINVAL; 871 goto exit; 872 } 873 874 /* Modern PFs provide the actual offsets, while legacy 875 * provided only the queue id. 876 */ 877 if (!p_iov->b_pre_fp_hsi) { 878 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 879 } else { 880 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 881 882 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 883 qed_db_addr_vf(cid, 884 DQ_DEMS_LEGACY); 885 } 886 887 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 888 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 889 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 890 exit: 891 qed_vf_pf_req_end(p_hwfn, rc); 892 893 return rc; 894 } 895 896 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 897 { 898 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 899 struct vfpf_stop_txqs_tlv *req; 900 struct pfvf_def_resp_tlv *resp; 901 int rc; 902 903 /* clear mailbox and prep first tlv */ 904 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 905 906 req->tx_qid = p_cid->rel.queue_id; 907 req->num_txqs = 1; 908 909 qed_vf_pf_add_qid(p_hwfn, p_cid); 910 911 /* add list termination tlv */ 912 qed_add_tlv(p_hwfn, &p_iov->offset, 913 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 914 915 resp = &p_iov->pf2vf_reply->default_resp; 916 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 917 if (rc) 918 goto exit; 919 920 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 921 rc = -EINVAL; 922 goto exit; 923 } 924 925 exit: 926 qed_vf_pf_req_end(p_hwfn, rc); 927 928 return rc; 929 } 930 931 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 932 u8 vport_id, 933 u16 mtu, 934 u8 inner_vlan_removal, 935 enum qed_tpa_mode tpa_mode, 936 u8 max_buffers_per_cqe, u8 only_untagged) 937 { 938 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 939 struct vfpf_vport_start_tlv *req; 940 struct pfvf_def_resp_tlv *resp; 941 int rc, i; 942 943 /* clear mailbox and prep first tlv */ 944 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 945 946 req->mtu = mtu; 947 req->vport_id = vport_id; 948 req->inner_vlan_removal = inner_vlan_removal; 949 req->tpa_mode = tpa_mode; 950 req->max_buffers_per_cqe = max_buffers_per_cqe; 951 req->only_untagged = only_untagged; 952 953 /* status blocks */ 954 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 955 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 956 957 if (p_sb) 958 req->sb_addr[i] = p_sb->sb_phys; 959 } 960 961 /* add list termination tlv */ 962 qed_add_tlv(p_hwfn, &p_iov->offset, 963 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 964 965 resp = &p_iov->pf2vf_reply->default_resp; 966 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 967 if (rc) 968 goto exit; 969 970 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 971 rc = -EINVAL; 972 goto exit; 973 } 974 975 exit: 976 qed_vf_pf_req_end(p_hwfn, rc); 977 978 return rc; 979 } 980 981 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 982 { 983 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 984 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 985 int rc; 986 987 /* clear mailbox and prep first tlv */ 988 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 989 sizeof(struct vfpf_first_tlv)); 990 991 /* add list termination tlv */ 992 qed_add_tlv(p_hwfn, &p_iov->offset, 993 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 994 995 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 996 if (rc) 997 goto exit; 998 999 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1000 rc = -EINVAL; 1001 goto exit; 1002 } 1003 1004 exit: 1005 qed_vf_pf_req_end(p_hwfn, rc); 1006 1007 return rc; 1008 } 1009 1010 static bool 1011 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1012 struct qed_sp_vport_update_params *p_data, 1013 u16 tlv) 1014 { 1015 switch (tlv) { 1016 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1017 return !!(p_data->update_vport_active_rx_flg || 1018 p_data->update_vport_active_tx_flg); 1019 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1020 return !!p_data->update_tx_switching_flg; 1021 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1022 return !!p_data->update_inner_vlan_removal_flg; 1023 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1024 return !!p_data->update_accept_any_vlan_flg; 1025 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1026 return !!p_data->update_approx_mcast_flg; 1027 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1028 return !!(p_data->accept_flags.update_rx_mode_config || 1029 p_data->accept_flags.update_tx_mode_config); 1030 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1031 return !!p_data->rss_params; 1032 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1033 return !!p_data->sge_tpa_params; 1034 default: 1035 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1036 tlv); 1037 return false; 1038 } 1039 } 1040 1041 static void 1042 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1043 struct qed_sp_vport_update_params *p_data) 1044 { 1045 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1046 struct pfvf_def_resp_tlv *p_resp; 1047 u16 tlv; 1048 1049 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1050 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1051 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1052 continue; 1053 1054 p_resp = (struct pfvf_def_resp_tlv *) 1055 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1056 tlv); 1057 if (p_resp && p_resp->hdr.status) 1058 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1059 "TLV[%d] Configuration %s\n", 1060 tlv, 1061 (p_resp && p_resp->hdr.status) ? "succeeded" 1062 : "failed"); 1063 } 1064 } 1065 1066 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1067 struct qed_sp_vport_update_params *p_params) 1068 { 1069 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1070 struct vfpf_vport_update_tlv *req; 1071 struct pfvf_def_resp_tlv *resp; 1072 u8 update_rx, update_tx; 1073 u32 resp_size = 0; 1074 u16 size, tlv; 1075 int rc; 1076 1077 resp = &p_iov->pf2vf_reply->default_resp; 1078 resp_size = sizeof(*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 resp_size += sizeof(struct pfvf_def_resp_tlv); 1095 1096 if (update_rx) { 1097 p_act_tlv->update_rx = update_rx; 1098 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1099 } 1100 1101 if (update_tx) { 1102 p_act_tlv->update_tx = update_tx; 1103 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1104 } 1105 } 1106 1107 if (p_params->update_tx_switching_flg) { 1108 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1109 1110 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1111 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1112 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1113 tlv, size); 1114 resp_size += sizeof(struct pfvf_def_resp_tlv); 1115 1116 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg; 1117 } 1118 1119 if (p_params->update_approx_mcast_flg) { 1120 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1121 1122 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv); 1123 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1124 CHANNEL_TLV_VPORT_UPDATE_MCAST, size); 1125 resp_size += sizeof(struct pfvf_def_resp_tlv); 1126 1127 memcpy(p_mcast_tlv->bins, p_params->bins, 1128 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1129 } 1130 1131 update_rx = p_params->accept_flags.update_rx_mode_config; 1132 update_tx = p_params->accept_flags.update_tx_mode_config; 1133 1134 if (update_rx || update_tx) { 1135 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1136 1137 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1138 size = sizeof(struct vfpf_vport_update_accept_param_tlv); 1139 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1140 resp_size += sizeof(struct pfvf_def_resp_tlv); 1141 1142 if (update_rx) { 1143 p_accept_tlv->update_rx_mode = update_rx; 1144 p_accept_tlv->rx_accept_filter = 1145 p_params->accept_flags.rx_accept_filter; 1146 } 1147 1148 if (update_tx) { 1149 p_accept_tlv->update_tx_mode = update_tx; 1150 p_accept_tlv->tx_accept_filter = 1151 p_params->accept_flags.tx_accept_filter; 1152 } 1153 } 1154 1155 if (p_params->rss_params) { 1156 struct qed_rss_params *rss_params = p_params->rss_params; 1157 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1158 int i, table_size; 1159 1160 size = sizeof(struct vfpf_vport_update_rss_tlv); 1161 p_rss_tlv = qed_add_tlv(p_hwfn, 1162 &p_iov->offset, 1163 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1164 resp_size += sizeof(struct pfvf_def_resp_tlv); 1165 1166 if (rss_params->update_rss_config) 1167 p_rss_tlv->update_rss_flags |= 1168 VFPF_UPDATE_RSS_CONFIG_FLAG; 1169 if (rss_params->update_rss_capabilities) 1170 p_rss_tlv->update_rss_flags |= 1171 VFPF_UPDATE_RSS_CAPS_FLAG; 1172 if (rss_params->update_rss_ind_table) 1173 p_rss_tlv->update_rss_flags |= 1174 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1175 if (rss_params->update_rss_key) 1176 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1177 1178 p_rss_tlv->rss_enable = rss_params->rss_enable; 1179 p_rss_tlv->rss_caps = rss_params->rss_caps; 1180 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1181 1182 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1183 1 << p_rss_tlv->rss_table_size_log); 1184 for (i = 0; i < table_size; i++) { 1185 struct qed_queue_cid *p_queue; 1186 1187 p_queue = rss_params->rss_ind_table[i]; 1188 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1189 } 1190 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1191 sizeof(rss_params->rss_key)); 1192 } 1193 1194 if (p_params->update_accept_any_vlan_flg) { 1195 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1196 1197 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1198 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1199 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1200 1201 resp_size += sizeof(struct pfvf_def_resp_tlv); 1202 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1203 p_any_vlan_tlv->update_accept_any_vlan_flg = 1204 p_params->update_accept_any_vlan_flg; 1205 } 1206 1207 /* add list termination tlv */ 1208 qed_add_tlv(p_hwfn, &p_iov->offset, 1209 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1210 1211 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size); 1212 if (rc) 1213 goto exit; 1214 1215 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1216 rc = -EINVAL; 1217 goto exit; 1218 } 1219 1220 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1221 1222 exit: 1223 qed_vf_pf_req_end(p_hwfn, rc); 1224 1225 return rc; 1226 } 1227 1228 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1229 { 1230 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1231 struct pfvf_def_resp_tlv *resp; 1232 struct vfpf_first_tlv *req; 1233 int rc; 1234 1235 /* clear mailbox and prep first tlv */ 1236 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1237 1238 /* add list termination tlv */ 1239 qed_add_tlv(p_hwfn, &p_iov->offset, 1240 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1241 1242 resp = &p_iov->pf2vf_reply->default_resp; 1243 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1244 if (rc) 1245 goto exit; 1246 1247 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1248 rc = -EAGAIN; 1249 goto exit; 1250 } 1251 1252 p_hwfn->b_int_enabled = 0; 1253 1254 exit: 1255 qed_vf_pf_req_end(p_hwfn, rc); 1256 1257 return rc; 1258 } 1259 1260 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1261 struct qed_filter_mcast *p_filter_cmd) 1262 { 1263 struct qed_sp_vport_update_params sp_params; 1264 int i; 1265 1266 memset(&sp_params, 0, sizeof(sp_params)); 1267 sp_params.update_approx_mcast_flg = 1; 1268 1269 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1270 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1271 u32 bit; 1272 1273 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1274 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1275 } 1276 } 1277 1278 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1279 } 1280 1281 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1282 struct qed_filter_ucast *p_ucast) 1283 { 1284 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1285 struct vfpf_ucast_filter_tlv *req; 1286 struct pfvf_def_resp_tlv *resp; 1287 int rc; 1288 1289 /* clear mailbox and prep first tlv */ 1290 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1291 req->opcode = (u8) p_ucast->opcode; 1292 req->type = (u8) p_ucast->type; 1293 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1294 req->vlan = p_ucast->vlan; 1295 1296 /* add list termination tlv */ 1297 qed_add_tlv(p_hwfn, &p_iov->offset, 1298 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1299 1300 resp = &p_iov->pf2vf_reply->default_resp; 1301 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1302 if (rc) 1303 goto exit; 1304 1305 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1306 rc = -EAGAIN; 1307 goto exit; 1308 } 1309 1310 exit: 1311 qed_vf_pf_req_end(p_hwfn, rc); 1312 1313 return rc; 1314 } 1315 1316 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1317 { 1318 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1319 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1320 int rc; 1321 1322 /* clear mailbox and prep first tlv */ 1323 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1324 sizeof(struct vfpf_first_tlv)); 1325 1326 /* add list termination tlv */ 1327 qed_add_tlv(p_hwfn, &p_iov->offset, 1328 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1329 1330 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1331 if (rc) 1332 goto exit; 1333 1334 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1335 rc = -EINVAL; 1336 goto exit; 1337 } 1338 1339 exit: 1340 qed_vf_pf_req_end(p_hwfn, rc); 1341 1342 return rc; 1343 } 1344 1345 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1346 u16 *p_coal, struct qed_queue_cid *p_cid) 1347 { 1348 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1349 struct pfvf_read_coal_resp_tlv *resp; 1350 struct vfpf_read_coal_req_tlv *req; 1351 int rc; 1352 1353 /* clear mailbox and prep header tlv */ 1354 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1355 req->qid = p_cid->rel.queue_id; 1356 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1357 1358 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1359 sizeof(struct channel_list_end_tlv)); 1360 resp = &p_iov->pf2vf_reply->read_coal_resp; 1361 1362 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1363 if (rc) 1364 goto exit; 1365 1366 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1367 goto exit; 1368 1369 *p_coal = resp->coal; 1370 exit: 1371 qed_vf_pf_req_end(p_hwfn, rc); 1372 1373 return rc; 1374 } 1375 1376 int 1377 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1378 u8 *p_mac) 1379 { 1380 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1381 struct vfpf_bulletin_update_mac_tlv *p_req; 1382 struct pfvf_def_resp_tlv *p_resp; 1383 int rc; 1384 1385 if (!p_mac) 1386 return -EINVAL; 1387 1388 /* clear mailbox and prep header tlv */ 1389 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1390 sizeof(*p_req)); 1391 ether_addr_copy(p_req->mac, p_mac); 1392 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1393 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1394 1395 /* add list termination tlv */ 1396 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1397 sizeof(struct channel_list_end_tlv)); 1398 1399 p_resp = &p_iov->pf2vf_reply->default_resp; 1400 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 1401 qed_vf_pf_req_end(p_hwfn, rc); 1402 return rc; 1403 } 1404 1405 int 1406 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1407 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1408 { 1409 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1410 struct vfpf_update_coalesce *req; 1411 struct pfvf_def_resp_tlv *resp; 1412 int rc; 1413 1414 /* clear mailbox and prep header tlv */ 1415 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1416 1417 req->rx_coal = rx_coal; 1418 req->tx_coal = tx_coal; 1419 req->qid = p_cid->rel.queue_id; 1420 1421 DP_VERBOSE(p_hwfn, 1422 QED_MSG_IOV, 1423 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1424 rx_coal, tx_coal, req->qid); 1425 1426 /* add list termination tlv */ 1427 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1428 sizeof(struct channel_list_end_tlv)); 1429 1430 resp = &p_iov->pf2vf_reply->default_resp; 1431 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1432 if (rc) 1433 goto exit; 1434 1435 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1436 goto exit; 1437 1438 if (rx_coal) 1439 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1440 1441 if (tx_coal) 1442 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1443 1444 exit: 1445 qed_vf_pf_req_end(p_hwfn, rc); 1446 return rc; 1447 } 1448 1449 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1450 { 1451 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1452 1453 if (!p_iov) { 1454 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1455 return 0; 1456 } 1457 1458 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1459 } 1460 1461 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1462 u16 sb_id, struct qed_sb_info *p_sb) 1463 { 1464 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1465 1466 if (!p_iov) { 1467 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1468 return; 1469 } 1470 1471 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1472 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1473 return; 1474 } 1475 1476 p_iov->sbs_info[sb_id] = p_sb; 1477 } 1478 1479 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1480 { 1481 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1482 struct qed_bulletin_content shadow; 1483 u32 crc, crc_size; 1484 1485 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1486 *p_change = 0; 1487 1488 /* Need to guarantee PF is not in the middle of writing it */ 1489 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1490 1491 /* If version did not update, no need to do anything */ 1492 if (shadow.version == p_iov->bulletin_shadow.version) 1493 return 0; 1494 1495 /* Verify the bulletin we see is valid */ 1496 crc = crc32(0, (u8 *)&shadow + crc_size, 1497 p_iov->bulletin.size - crc_size); 1498 if (crc != shadow.crc) 1499 return -EAGAIN; 1500 1501 /* Set the shadow bulletin and process it */ 1502 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1503 1504 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1505 "Read a bulletin update %08x\n", shadow.version); 1506 1507 *p_change = 1; 1508 1509 return 0; 1510 } 1511 1512 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1513 struct qed_mcp_link_params *p_params, 1514 struct qed_bulletin_content *p_bulletin) 1515 { 1516 memset(p_params, 0, sizeof(*p_params)); 1517 1518 p_params->speed.autoneg = p_bulletin->req_autoneg; 1519 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1520 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1521 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1522 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1523 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1524 p_params->loopback_mode = p_bulletin->req_loopback; 1525 } 1526 1527 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1528 struct qed_mcp_link_params *params) 1529 { 1530 __qed_vf_get_link_params(p_hwfn, params, 1531 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1532 } 1533 1534 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1535 struct qed_mcp_link_state *p_link, 1536 struct qed_bulletin_content *p_bulletin) 1537 { 1538 memset(p_link, 0, sizeof(*p_link)); 1539 1540 p_link->link_up = p_bulletin->link_up; 1541 p_link->speed = p_bulletin->speed; 1542 p_link->full_duplex = p_bulletin->full_duplex; 1543 p_link->an = p_bulletin->autoneg; 1544 p_link->an_complete = p_bulletin->autoneg_complete; 1545 p_link->parallel_detection = p_bulletin->parallel_detection; 1546 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1547 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1548 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1549 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1550 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1551 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1552 } 1553 1554 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1555 struct qed_mcp_link_state *link) 1556 { 1557 __qed_vf_get_link_state(p_hwfn, link, 1558 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1559 } 1560 1561 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1562 struct qed_mcp_link_capabilities *p_link_caps, 1563 struct qed_bulletin_content *p_bulletin) 1564 { 1565 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1566 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1567 } 1568 1569 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1570 struct qed_mcp_link_capabilities *p_link_caps) 1571 { 1572 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1573 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1574 } 1575 1576 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1577 { 1578 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1579 } 1580 1581 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1582 { 1583 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1584 } 1585 1586 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1587 { 1588 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1589 } 1590 1591 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1592 { 1593 memcpy(port_mac, 1594 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1595 } 1596 1597 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1598 { 1599 struct qed_vf_iov *p_vf; 1600 1601 p_vf = p_hwfn->vf_iov_info; 1602 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1603 } 1604 1605 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1606 { 1607 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1608 1609 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1610 } 1611 1612 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1613 { 1614 struct qed_bulletin_content *bulletin; 1615 1616 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1617 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1618 return true; 1619 1620 /* Forbid VF from changing a MAC enforced by PF */ 1621 if (ether_addr_equal(bulletin->mac, mac)) 1622 return false; 1623 1624 return false; 1625 } 1626 1627 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1628 u8 *dst_mac, u8 *p_is_forced) 1629 { 1630 struct qed_bulletin_content *bulletin; 1631 1632 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1633 1634 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1635 if (p_is_forced) 1636 *p_is_forced = 1; 1637 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1638 if (p_is_forced) 1639 *p_is_forced = 0; 1640 } else { 1641 return false; 1642 } 1643 1644 ether_addr_copy(dst_mac, bulletin->mac); 1645 1646 return true; 1647 } 1648 1649 static void 1650 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1651 u16 *p_vxlan_port, u16 *p_geneve_port) 1652 { 1653 struct qed_bulletin_content *p_bulletin; 1654 1655 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1656 1657 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1658 *p_geneve_port = p_bulletin->geneve_udp_port; 1659 } 1660 1661 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1662 u16 *fw_major, u16 *fw_minor, 1663 u16 *fw_rev, u16 *fw_eng) 1664 { 1665 struct pf_vf_pfdev_info *info; 1666 1667 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1668 1669 *fw_major = info->fw_major; 1670 *fw_minor = info->fw_minor; 1671 *fw_rev = info->fw_rev; 1672 *fw_eng = info->fw_eng; 1673 } 1674 1675 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1676 { 1677 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1678 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1679 void *cookie = hwfn->cdev->ops_cookie; 1680 u16 vxlan_port, geneve_port; 1681 1682 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1683 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1684 &is_mac_forced); 1685 if (is_mac_exist && cookie) 1686 ops->force_mac(cookie, mac, !!is_mac_forced); 1687 1688 ops->ports_update(cookie, vxlan_port, geneve_port); 1689 1690 /* Always update link configuration according to bulletin */ 1691 qed_link_update(hwfn, NULL); 1692 } 1693 1694 void qed_iov_vf_task(struct work_struct *work) 1695 { 1696 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1697 iov_task.work); 1698 u8 change = 0; 1699 1700 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1701 return; 1702 1703 /* Handle bulletin board changes */ 1704 qed_vf_read_bulletin(hwfn, &change); 1705 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1706 &hwfn->iov_task_flags)) 1707 change = 1; 1708 if (change) 1709 qed_handle_bulletin_change(hwfn); 1710 1711 /* As VF is polling bulletin board, need to constantly re-schedule */ 1712 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1713 } 1714