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 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90 85 #define QED_VF_CHANNEL_USLEEP_DELAY 100 86 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10 87 #define QED_VF_CHANNEL_MSLEEP_DELAY 25 88 89 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size) 90 { 91 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request; 92 struct ustorm_trigger_vf_zone trigger; 93 struct ustorm_vf_zone *zone_data; 94 int iter, rc = 0; 95 96 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B; 97 98 /* output tlvs list */ 99 qed_dp_tlv_list(p_hwfn, p_req); 100 101 /* need to add the END TLV to the message size */ 102 resp_size += sizeof(struct channel_list_end_tlv); 103 104 /* Send TLVs over HW channel */ 105 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone)); 106 trigger.vf_pf_msg_valid = 1; 107 108 DP_VERBOSE(p_hwfn, 109 QED_MSG_IOV, 110 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n", 111 GET_FIELD(p_hwfn->hw_info.concrete_fid, 112 PXP_CONCRETE_FID_PFID), 113 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 114 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys), 115 &zone_data->non_trigger.vf_pf_msg_addr, 116 *((u32 *)&trigger), &zone_data->trigger); 117 118 REG_WR(p_hwfn, 119 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo, 120 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 121 122 REG_WR(p_hwfn, 123 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi, 124 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys)); 125 126 /* The message data must be written first, to prevent trigger before 127 * data is written. 128 */ 129 wmb(); 130 131 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger)); 132 133 /* When PF would be done with the response, it would write back to the 134 * `done' address from a coherent DMA zone. Poll until then. 135 */ 136 137 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS; 138 while (!*done && iter--) { 139 udelay(QED_VF_CHANNEL_USLEEP_DELAY); 140 dma_rmb(); 141 } 142 143 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS; 144 while (!*done && iter--) { 145 msleep(QED_VF_CHANNEL_MSLEEP_DELAY); 146 dma_rmb(); 147 } 148 149 if (!*done) { 150 DP_NOTICE(p_hwfn, 151 "VF <-- PF Timeout [Type %d]\n", 152 p_req->first_tlv.tl.type); 153 rc = -EBUSY; 154 } else { 155 if ((*done != PFVF_STATUS_SUCCESS) && 156 (*done != PFVF_STATUS_NO_RESOURCE)) 157 DP_NOTICE(p_hwfn, 158 "PF response: %d [Type %d]\n", 159 *done, p_req->first_tlv.tl.type); 160 else 161 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 162 "PF response: %d [Type %d]\n", 163 *done, p_req->first_tlv.tl.type); 164 } 165 166 return rc; 167 } 168 169 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn, 170 struct qed_queue_cid *p_cid) 171 { 172 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 173 struct vfpf_qid_tlv *p_qid_tlv; 174 175 /* Only add QIDs for the queue if it was negotiated with PF */ 176 if (!(p_iov->acquire_resp.pfdev_info.capabilities & 177 PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 178 return; 179 180 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 181 CHANNEL_TLV_QID, sizeof(*p_qid_tlv)); 182 p_qid_tlv->qid = p_cid->qid_usage_idx; 183 } 184 185 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final) 186 { 187 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 188 struct pfvf_def_resp_tlv *resp; 189 struct vfpf_first_tlv *req; 190 u32 size; 191 int rc; 192 193 /* clear mailbox and prep first tlv */ 194 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req)); 195 196 /* add list termination tlv */ 197 qed_add_tlv(p_hwfn, &p_iov->offset, 198 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 199 200 resp = &p_iov->pf2vf_reply->default_resp; 201 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 202 203 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS) 204 rc = -EAGAIN; 205 206 qed_vf_pf_req_end(p_hwfn, rc); 207 if (!b_final) 208 return rc; 209 210 p_hwfn->b_int_enabled = 0; 211 212 if (p_iov->vf2pf_request) 213 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 214 sizeof(union vfpf_tlvs), 215 p_iov->vf2pf_request, 216 p_iov->vf2pf_request_phys); 217 if (p_iov->pf2vf_reply) 218 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 219 sizeof(union pfvf_tlvs), 220 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 221 222 if (p_iov->bulletin.p_virt) { 223 size = sizeof(struct qed_bulletin_content); 224 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 225 size, 226 p_iov->bulletin.p_virt, p_iov->bulletin.phys); 227 } 228 229 kfree(p_hwfn->vf_iov_info); 230 p_hwfn->vf_iov_info = NULL; 231 232 return rc; 233 } 234 235 int qed_vf_pf_release(struct qed_hwfn *p_hwfn) 236 { 237 return _qed_vf_pf_release(p_hwfn, true); 238 } 239 240 #define VF_ACQUIRE_THRESH 3 241 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, 242 struct vf_pf_resc_request *p_req, 243 struct pf_vf_resc *p_resp) 244 { 245 DP_VERBOSE(p_hwfn, 246 QED_MSG_IOV, 247 "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", 248 p_req->num_rxqs, 249 p_resp->num_rxqs, 250 p_req->num_rxqs, 251 p_resp->num_txqs, 252 p_req->num_sbs, 253 p_resp->num_sbs, 254 p_req->num_mac_filters, 255 p_resp->num_mac_filters, 256 p_req->num_vlan_filters, 257 p_resp->num_vlan_filters, 258 p_req->num_mc_filters, 259 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids); 260 261 /* humble our request */ 262 p_req->num_txqs = p_resp->num_txqs; 263 p_req->num_rxqs = p_resp->num_rxqs; 264 p_req->num_sbs = p_resp->num_sbs; 265 p_req->num_mac_filters = p_resp->num_mac_filters; 266 p_req->num_vlan_filters = p_resp->num_vlan_filters; 267 p_req->num_mc_filters = p_resp->num_mc_filters; 268 p_req->num_cids = p_resp->num_cids; 269 } 270 271 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) 272 { 273 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 274 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; 275 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 276 struct vf_pf_resc_request *p_resc; 277 u8 retry_cnt = VF_ACQUIRE_THRESH; 278 bool resources_acquired = false; 279 struct vfpf_acquire_tlv *req; 280 int rc = 0, attempts = 0; 281 282 /* clear mailbox and prep first tlv */ 283 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 284 p_resc = &req->resc_request; 285 286 /* starting filling the request */ 287 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; 288 289 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; 290 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; 291 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; 292 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; 293 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 294 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS; 295 296 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; 297 req->vfdev_info.fw_major = FW_MAJOR_VERSION; 298 req->vfdev_info.fw_minor = FW_MINOR_VERSION; 299 req->vfdev_info.fw_revision = FW_REVISION_VERSION; 300 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; 301 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; 302 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; 303 304 /* Fill capability field with any non-deprecated config we support */ 305 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; 306 307 /* If we've mapped the doorbell bar, try using queue qids */ 308 if (p_iov->b_doorbell_bar) { 309 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR | 310 VFPF_ACQUIRE_CAP_QUEUE_QIDS; 311 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS; 312 } 313 314 /* pf 2 vf bulletin board address */ 315 req->bulletin_addr = p_iov->bulletin.phys; 316 req->bulletin_size = p_iov->bulletin.size; 317 318 /* add list termination tlv */ 319 qed_add_tlv(p_hwfn, &p_iov->offset, 320 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 321 322 while (!resources_acquired) { 323 DP_VERBOSE(p_hwfn, 324 QED_MSG_IOV, "attempting to acquire resources\n"); 325 326 /* Clear response buffer, as this might be a re-send */ 327 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); 328 329 /* send acquire request */ 330 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 331 332 /* Re-try acquire in case of vf-pf hw channel timeout */ 333 if (retry_cnt && rc == -EBUSY) { 334 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 335 "VF retrying to acquire due to VPC timeout\n"); 336 retry_cnt--; 337 continue; 338 } 339 340 if (rc) 341 goto exit; 342 343 /* copy acquire response from buffer to p_hwfn */ 344 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp)); 345 346 attempts++; 347 348 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 349 /* PF agrees to allocate our resources */ 350 if (!(resp->pfdev_info.capabilities & 351 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) { 352 /* It's possible legacy PF mistakenly accepted; 353 * but we don't care - simply mark it as 354 * legacy and continue. 355 */ 356 req->vfdev_info.capabilities |= 357 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 358 } 359 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n"); 360 resources_acquired = true; 361 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && 362 attempts < VF_ACQUIRE_THRESH) { 363 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, 364 &resp->resc); 365 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) { 366 if (pfdev_info->major_fp_hsi && 367 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { 368 DP_NOTICE(p_hwfn, 369 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", 370 pfdev_info->major_fp_hsi, 371 pfdev_info->minor_fp_hsi, 372 ETH_HSI_VER_MAJOR, 373 ETH_HSI_VER_MINOR, 374 pfdev_info->major_fp_hsi); 375 rc = -EINVAL; 376 goto exit; 377 } 378 379 if (!pfdev_info->major_fp_hsi) { 380 if (req->vfdev_info.capabilities & 381 VFPF_ACQUIRE_CAP_PRE_FP_HSI) { 382 DP_NOTICE(p_hwfn, 383 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n"); 384 rc = -EINVAL; 385 goto exit; 386 } else { 387 DP_INFO(p_hwfn, 388 "PF is old - try re-acquire to see if it supports FW-version override\n"); 389 req->vfdev_info.capabilities |= 390 VFPF_ACQUIRE_CAP_PRE_FP_HSI; 391 continue; 392 } 393 } 394 395 /* If PF/VF are using same Major, PF must have had 396 * it's reasons. Simply fail. 397 */ 398 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n"); 399 rc = -EINVAL; 400 goto exit; 401 } else { 402 DP_ERR(p_hwfn, 403 "PF returned error %d to VF acquisition request\n", 404 resp->hdr.status); 405 rc = -EAGAIN; 406 goto exit; 407 } 408 } 409 410 /* Mark the PF as legacy, if needed */ 411 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI) 412 p_iov->b_pre_fp_hsi = true; 413 414 /* In case PF doesn't support multi-queue Tx, update the number of 415 * CIDs to reflect the number of queues [older PFs didn't fill that 416 * field]. 417 */ 418 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS)) 419 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs; 420 421 /* Update bulletin board size with response from PF */ 422 p_iov->bulletin.size = resp->bulletin_size; 423 424 /* get HW info */ 425 p_hwfn->cdev->type = resp->pfdev_info.dev_type; 426 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev; 427 428 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff; 429 430 /* Learn of the possibility of CMT */ 431 if (IS_LEAD_HWFN(p_hwfn)) { 432 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) { 433 DP_NOTICE(p_hwfn, "100g VF\n"); 434 p_hwfn->cdev->num_hwfns = 2; 435 } 436 } 437 438 if (!p_iov->b_pre_fp_hsi && 439 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { 440 DP_INFO(p_hwfn, 441 "PF is using older fastpath HSI; %02x.%02x is configured\n", 442 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); 443 } 444 445 exit: 446 qed_vf_pf_req_end(p_hwfn, rc); 447 448 return rc; 449 } 450 451 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id) 452 { 453 u32 bar_size; 454 455 /* Regview size is fixed */ 456 if (bar_id == BAR_ID_0) 457 return 1 << 17; 458 459 /* Doorbell is received from PF */ 460 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size; 461 if (bar_size) 462 return 1 << bar_size; 463 return 0; 464 } 465 466 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) 467 { 468 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev); 469 struct qed_vf_iov *p_iov; 470 u32 reg; 471 int rc; 472 473 /* Set number of hwfns - might be overriden once leading hwfn learns 474 * actual configuration from PF. 475 */ 476 if (IS_LEAD_HWFN(p_hwfn)) 477 p_hwfn->cdev->num_hwfns = 1; 478 479 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS; 480 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg); 481 482 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS; 483 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg); 484 485 /* Allocate vf sriov info */ 486 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL); 487 if (!p_iov) 488 return -ENOMEM; 489 490 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell 491 * value, but there are several incompatibily scenarios where that 492 * would be incorrect and we'd need to override it. 493 */ 494 if (!p_hwfn->doorbells) { 495 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 496 PXP_VF_BAR0_START_DQ; 497 } else if (p_hwfn == p_lead) { 498 /* For leading hw-function, value is always correct, but need 499 * to handle scenario where legacy PF would not support 100g 500 * mapped bars later. 501 */ 502 p_iov->b_doorbell_bar = true; 503 } else { 504 /* here, value would be correct ONLY if the leading hwfn 505 * received indication that mapped-bars are supported. 506 */ 507 if (p_lead->vf_iov_info->b_doorbell_bar) 508 p_iov->b_doorbell_bar = true; 509 else 510 p_hwfn->doorbells = (u8 __iomem *) 511 p_hwfn->regview + PXP_VF_BAR0_START_DQ; 512 } 513 514 /* Allocate vf2pf msg */ 515 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 516 sizeof(union vfpf_tlvs), 517 &p_iov->vf2pf_request_phys, 518 GFP_KERNEL); 519 if (!p_iov->vf2pf_request) 520 goto free_p_iov; 521 522 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 523 sizeof(union pfvf_tlvs), 524 &p_iov->pf2vf_reply_phys, 525 GFP_KERNEL); 526 if (!p_iov->pf2vf_reply) 527 goto free_vf2pf_request; 528 529 DP_VERBOSE(p_hwfn, 530 QED_MSG_IOV, 531 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n", 532 p_iov->vf2pf_request, 533 (u64) p_iov->vf2pf_request_phys, 534 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys); 535 536 /* Allocate Bulletin board */ 537 p_iov->bulletin.size = sizeof(struct qed_bulletin_content); 538 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 539 p_iov->bulletin.size, 540 &p_iov->bulletin.phys, 541 GFP_KERNEL); 542 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 543 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n", 544 p_iov->bulletin.p_virt, 545 (u64)p_iov->bulletin.phys, p_iov->bulletin.size); 546 547 mutex_init(&p_iov->mutex); 548 549 p_hwfn->vf_iov_info = p_iov; 550 551 p_hwfn->hw_info.personality = QED_PCI_ETH; 552 553 rc = qed_vf_pf_acquire(p_hwfn); 554 555 /* If VF is 100g using a mapped bar and PF is too old to support that, 556 * acquisition would succeed - but the VF would have no way knowing 557 * the size of the doorbell bar configured in HW and thus will not 558 * know how to split it for 2nd hw-function. 559 * In this case we re-try without the indication of the mapped 560 * doorbell. 561 */ 562 if (!rc && p_iov->b_doorbell_bar && 563 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) && 564 (p_hwfn->cdev->num_hwfns > 1)) { 565 rc = _qed_vf_pf_release(p_hwfn, false); 566 if (rc) 567 return rc; 568 569 p_iov->b_doorbell_bar = false; 570 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + 571 PXP_VF_BAR0_START_DQ; 572 rc = qed_vf_pf_acquire(p_hwfn); 573 } 574 575 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 576 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n", 577 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells); 578 579 return rc; 580 581 free_vf2pf_request: 582 dma_free_coherent(&p_hwfn->cdev->pdev->dev, 583 sizeof(union vfpf_tlvs), 584 p_iov->vf2pf_request, p_iov->vf2pf_request_phys); 585 free_p_iov: 586 kfree(p_iov); 587 588 return -ENOMEM; 589 } 590 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 591 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 592 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 593 594 static void 595 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 596 struct qed_tunn_update_type *p_src, 597 enum qed_tunn_mode mask, u8 *p_cls) 598 { 599 if (p_src->b_update_mode) { 600 p_req->tun_mode_update_mask |= BIT(mask); 601 602 if (p_src->b_mode_enabled) 603 p_req->tunn_mode |= BIT(mask); 604 } 605 606 *p_cls = p_src->tun_cls; 607 } 608 609 static void 610 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req, 611 struct qed_tunn_update_type *p_src, 612 enum qed_tunn_mode mask, 613 u8 *p_cls, struct qed_tunn_update_udp_port *p_port, 614 u8 *p_update_port, u16 *p_udp_port) 615 { 616 if (p_port->b_update_port) { 617 *p_update_port = 1; 618 *p_udp_port = p_port->port; 619 } 620 621 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls); 622 } 623 624 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun) 625 { 626 if (p_tun->vxlan.b_mode_enabled) 627 p_tun->vxlan.b_update_mode = true; 628 if (p_tun->l2_geneve.b_mode_enabled) 629 p_tun->l2_geneve.b_update_mode = true; 630 if (p_tun->ip_geneve.b_mode_enabled) 631 p_tun->ip_geneve.b_update_mode = true; 632 if (p_tun->l2_gre.b_mode_enabled) 633 p_tun->l2_gre.b_update_mode = true; 634 if (p_tun->ip_gre.b_mode_enabled) 635 p_tun->ip_gre.b_update_mode = true; 636 637 p_tun->b_update_rx_cls = true; 638 p_tun->b_update_tx_cls = true; 639 } 640 641 static void 642 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun, 643 u16 feature_mask, u8 tunn_mode, 644 u8 tunn_cls, enum qed_tunn_mode val) 645 { 646 if (feature_mask & BIT(val)) { 647 p_tun->b_mode_enabled = tunn_mode; 648 p_tun->tun_cls = tunn_cls; 649 } else { 650 p_tun->b_mode_enabled = false; 651 } 652 } 653 654 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn, 655 struct qed_tunnel_info *p_tun, 656 struct pfvf_update_tunn_param_tlv *p_resp) 657 { 658 /* Update mode and classes provided by PF */ 659 u16 feat_mask = p_resp->tunn_feature_mask; 660 661 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask, 662 p_resp->vxlan_mode, p_resp->vxlan_clss, 663 QED_MODE_VXLAN_TUNN); 664 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask, 665 p_resp->l2geneve_mode, 666 p_resp->l2geneve_clss, 667 QED_MODE_L2GENEVE_TUNN); 668 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask, 669 p_resp->ipgeneve_mode, 670 p_resp->ipgeneve_clss, 671 QED_MODE_IPGENEVE_TUNN); 672 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask, 673 p_resp->l2gre_mode, p_resp->l2gre_clss, 674 QED_MODE_L2GRE_TUNN); 675 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask, 676 p_resp->ipgre_mode, p_resp->ipgre_clss, 677 QED_MODE_IPGRE_TUNN); 678 p_tun->geneve_port.port = p_resp->geneve_udp_port; 679 p_tun->vxlan_port.port = p_resp->vxlan_udp_port; 680 681 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 682 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x", 683 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled, 684 p_tun->ip_geneve.b_mode_enabled, 685 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled); 686 } 687 688 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn, 689 struct qed_tunnel_info *p_src) 690 { 691 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; 692 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 693 struct pfvf_update_tunn_param_tlv *p_resp; 694 struct vfpf_update_tunn_param_tlv *p_req; 695 int rc; 696 697 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM, 698 sizeof(*p_req)); 699 700 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls) 701 p_req->update_tun_cls = 1; 702 703 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN, 704 &p_req->vxlan_clss, &p_src->vxlan_port, 705 &p_req->update_vxlan_port, 706 &p_req->vxlan_port); 707 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve, 708 QED_MODE_L2GENEVE_TUNN, 709 &p_req->l2geneve_clss, &p_src->geneve_port, 710 &p_req->update_geneve_port, 711 &p_req->geneve_port); 712 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve, 713 QED_MODE_IPGENEVE_TUNN, 714 &p_req->ipgeneve_clss); 715 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre, 716 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss); 717 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre, 718 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss); 719 720 /* add list termination tlv */ 721 qed_add_tlv(p_hwfn, &p_iov->offset, 722 CHANNEL_TLV_LIST_END, 723 sizeof(struct channel_list_end_tlv)); 724 725 p_resp = &p_iov->pf2vf_reply->tunn_param_resp; 726 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 727 728 if (rc) 729 goto exit; 730 731 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) { 732 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 733 "Failed to update tunnel parameters\n"); 734 rc = -EINVAL; 735 } 736 737 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp); 738 exit: 739 qed_vf_pf_req_end(p_hwfn, rc); 740 return rc; 741 } 742 743 int 744 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, 745 struct qed_queue_cid *p_cid, 746 u16 bd_max_bytes, 747 dma_addr_t bd_chain_phys_addr, 748 dma_addr_t cqe_pbl_addr, 749 u16 cqe_pbl_size, void __iomem **pp_prod) 750 { 751 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 752 struct pfvf_start_queue_resp_tlv *resp; 753 struct vfpf_start_rxq_tlv *req; 754 u8 rx_qid = p_cid->rel.queue_id; 755 int rc; 756 757 /* clear mailbox and prep first tlv */ 758 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req)); 759 760 req->rx_qid = rx_qid; 761 req->cqe_pbl_addr = cqe_pbl_addr; 762 req->cqe_pbl_size = cqe_pbl_size; 763 req->rxq_addr = bd_chain_phys_addr; 764 req->hw_sb = p_cid->sb_igu_id; 765 req->sb_index = p_cid->sb_idx; 766 req->bd_max_bytes = bd_max_bytes; 767 req->stat_id = -1; 768 769 /* If PF is legacy, we'll need to calculate producers ourselves 770 * as well as clean them. 771 */ 772 if (p_iov->b_pre_fp_hsi) { 773 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid]; 774 u32 init_prod_val = 0; 775 776 *pp_prod = (u8 __iomem *) 777 p_hwfn->regview + 778 MSTORM_QZONE_START(p_hwfn->cdev) + 779 hw_qid * MSTORM_QZONE_SIZE; 780 781 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 782 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 783 (u32 *)(&init_prod_val)); 784 } 785 786 qed_vf_pf_add_qid(p_hwfn, p_cid); 787 788 /* add list termination tlv */ 789 qed_add_tlv(p_hwfn, &p_iov->offset, 790 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 791 792 resp = &p_iov->pf2vf_reply->queue_start; 793 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 794 if (rc) 795 goto exit; 796 797 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 798 rc = -EINVAL; 799 goto exit; 800 } 801 802 /* Learn the address of the producer from the response */ 803 if (!p_iov->b_pre_fp_hsi) { 804 u32 init_prod_val = 0; 805 806 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset; 807 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 808 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n", 809 rx_qid, *pp_prod, resp->offset); 810 811 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */ 812 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32), 813 (u32 *)&init_prod_val); 814 } 815 exit: 816 qed_vf_pf_req_end(p_hwfn, rc); 817 818 return rc; 819 } 820 821 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, 822 struct qed_queue_cid *p_cid, bool cqe_completion) 823 { 824 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 825 struct vfpf_stop_rxqs_tlv *req; 826 struct pfvf_def_resp_tlv *resp; 827 int rc; 828 829 /* clear mailbox and prep first tlv */ 830 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req)); 831 832 req->rx_qid = p_cid->rel.queue_id; 833 req->num_rxqs = 1; 834 req->cqe_completion = cqe_completion; 835 836 qed_vf_pf_add_qid(p_hwfn, p_cid); 837 838 /* add list termination tlv */ 839 qed_add_tlv(p_hwfn, &p_iov->offset, 840 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 841 842 resp = &p_iov->pf2vf_reply->default_resp; 843 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 844 if (rc) 845 goto exit; 846 847 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 848 rc = -EINVAL; 849 goto exit; 850 } 851 852 exit: 853 qed_vf_pf_req_end(p_hwfn, rc); 854 855 return rc; 856 } 857 858 int 859 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, 860 struct qed_queue_cid *p_cid, 861 dma_addr_t pbl_addr, 862 u16 pbl_size, void __iomem **pp_doorbell) 863 { 864 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 865 struct pfvf_start_queue_resp_tlv *resp; 866 struct vfpf_start_txq_tlv *req; 867 u16 qid = p_cid->rel.queue_id; 868 int rc; 869 870 /* clear mailbox and prep first tlv */ 871 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req)); 872 873 req->tx_qid = qid; 874 875 /* Tx */ 876 req->pbl_addr = pbl_addr; 877 req->pbl_size = pbl_size; 878 req->hw_sb = p_cid->sb_igu_id; 879 req->sb_index = p_cid->sb_idx; 880 881 qed_vf_pf_add_qid(p_hwfn, p_cid); 882 883 /* add list termination tlv */ 884 qed_add_tlv(p_hwfn, &p_iov->offset, 885 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 886 887 resp = &p_iov->pf2vf_reply->queue_start; 888 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 889 if (rc) 890 goto exit; 891 892 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 893 rc = -EINVAL; 894 goto exit; 895 } 896 897 /* Modern PFs provide the actual offsets, while legacy 898 * provided only the queue id. 899 */ 900 if (!p_iov->b_pre_fp_hsi) { 901 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; 902 } else { 903 u8 cid = p_iov->acquire_resp.resc.cid[qid]; 904 905 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + 906 qed_db_addr_vf(cid, 907 DQ_DEMS_LEGACY); 908 } 909 910 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 911 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n", 912 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset); 913 exit: 914 qed_vf_pf_req_end(p_hwfn, rc); 915 916 return rc; 917 } 918 919 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid) 920 { 921 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 922 struct vfpf_stop_txqs_tlv *req; 923 struct pfvf_def_resp_tlv *resp; 924 int rc; 925 926 /* clear mailbox and prep first tlv */ 927 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req)); 928 929 req->tx_qid = p_cid->rel.queue_id; 930 req->num_txqs = 1; 931 932 qed_vf_pf_add_qid(p_hwfn, p_cid); 933 934 /* add list termination tlv */ 935 qed_add_tlv(p_hwfn, &p_iov->offset, 936 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 937 938 resp = &p_iov->pf2vf_reply->default_resp; 939 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 940 if (rc) 941 goto exit; 942 943 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 944 rc = -EINVAL; 945 goto exit; 946 } 947 948 exit: 949 qed_vf_pf_req_end(p_hwfn, rc); 950 951 return rc; 952 } 953 954 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, 955 u8 vport_id, 956 u16 mtu, 957 u8 inner_vlan_removal, 958 enum qed_tpa_mode tpa_mode, 959 u8 max_buffers_per_cqe, u8 only_untagged) 960 { 961 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 962 struct vfpf_vport_start_tlv *req; 963 struct pfvf_def_resp_tlv *resp; 964 int rc, i; 965 966 /* clear mailbox and prep first tlv */ 967 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req)); 968 969 req->mtu = mtu; 970 req->vport_id = vport_id; 971 req->inner_vlan_removal = inner_vlan_removal; 972 req->tpa_mode = tpa_mode; 973 req->max_buffers_per_cqe = max_buffers_per_cqe; 974 req->only_untagged = only_untagged; 975 976 /* status blocks */ 977 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) { 978 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i]; 979 980 if (p_sb) 981 req->sb_addr[i] = p_sb->sb_phys; 982 } 983 984 /* add list termination tlv */ 985 qed_add_tlv(p_hwfn, &p_iov->offset, 986 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 987 988 resp = &p_iov->pf2vf_reply->default_resp; 989 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 990 if (rc) 991 goto exit; 992 993 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 994 rc = -EINVAL; 995 goto exit; 996 } 997 998 exit: 999 qed_vf_pf_req_end(p_hwfn, rc); 1000 1001 return rc; 1002 } 1003 1004 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) 1005 { 1006 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1007 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1008 int rc; 1009 1010 /* clear mailbox and prep first tlv */ 1011 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN, 1012 sizeof(struct vfpf_first_tlv)); 1013 1014 /* add list termination tlv */ 1015 qed_add_tlv(p_hwfn, &p_iov->offset, 1016 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1017 1018 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1019 if (rc) 1020 goto exit; 1021 1022 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1023 rc = -EINVAL; 1024 goto exit; 1025 } 1026 1027 exit: 1028 qed_vf_pf_req_end(p_hwfn, rc); 1029 1030 return rc; 1031 } 1032 1033 static bool 1034 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn, 1035 struct qed_sp_vport_update_params *p_data, 1036 u16 tlv) 1037 { 1038 switch (tlv) { 1039 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE: 1040 return !!(p_data->update_vport_active_rx_flg || 1041 p_data->update_vport_active_tx_flg); 1042 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH: 1043 return !!p_data->update_tx_switching_flg; 1044 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP: 1045 return !!p_data->update_inner_vlan_removal_flg; 1046 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN: 1047 return !!p_data->update_accept_any_vlan_flg; 1048 case CHANNEL_TLV_VPORT_UPDATE_MCAST: 1049 return !!p_data->update_approx_mcast_flg; 1050 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM: 1051 return !!(p_data->accept_flags.update_rx_mode_config || 1052 p_data->accept_flags.update_tx_mode_config); 1053 case CHANNEL_TLV_VPORT_UPDATE_RSS: 1054 return !!p_data->rss_params; 1055 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA: 1056 return !!p_data->sge_tpa_params; 1057 default: 1058 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n", 1059 tlv); 1060 return false; 1061 } 1062 } 1063 1064 static void 1065 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn, 1066 struct qed_sp_vport_update_params *p_data) 1067 { 1068 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1069 struct pfvf_def_resp_tlv *p_resp; 1070 u16 tlv; 1071 1072 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1073 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) { 1074 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv)) 1075 continue; 1076 1077 p_resp = (struct pfvf_def_resp_tlv *) 1078 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply, 1079 tlv); 1080 if (p_resp && p_resp->hdr.status) 1081 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1082 "TLV[%d] Configuration %s\n", 1083 tlv, 1084 (p_resp && p_resp->hdr.status) ? "succeeded" 1085 : "failed"); 1086 } 1087 } 1088 1089 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, 1090 struct qed_sp_vport_update_params *p_params) 1091 { 1092 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1093 struct vfpf_vport_update_tlv *req; 1094 struct pfvf_def_resp_tlv *resp; 1095 u8 update_rx, update_tx; 1096 u32 resp_size = 0; 1097 u16 size, tlv; 1098 int rc; 1099 1100 resp = &p_iov->pf2vf_reply->default_resp; 1101 resp_size = sizeof(*resp); 1102 1103 update_rx = p_params->update_vport_active_rx_flg; 1104 update_tx = p_params->update_vport_active_tx_flg; 1105 1106 /* clear mailbox and prep header tlv */ 1107 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req)); 1108 1109 /* Prepare extended tlvs */ 1110 if (update_rx || update_tx) { 1111 struct vfpf_vport_update_activate_tlv *p_act_tlv; 1112 1113 size = sizeof(struct vfpf_vport_update_activate_tlv); 1114 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1115 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, 1116 size); 1117 resp_size += sizeof(struct pfvf_def_resp_tlv); 1118 1119 if (update_rx) { 1120 p_act_tlv->update_rx = update_rx; 1121 p_act_tlv->active_rx = p_params->vport_active_rx_flg; 1122 } 1123 1124 if (update_tx) { 1125 p_act_tlv->update_tx = update_tx; 1126 p_act_tlv->active_tx = p_params->vport_active_tx_flg; 1127 } 1128 } 1129 1130 if (p_params->update_tx_switching_flg) { 1131 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; 1132 1133 size = sizeof(struct vfpf_vport_update_tx_switch_tlv); 1134 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; 1135 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1136 tlv, size); 1137 resp_size += sizeof(struct pfvf_def_resp_tlv); 1138 1139 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg; 1140 } 1141 1142 if (p_params->update_approx_mcast_flg) { 1143 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1144 1145 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv); 1146 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, 1147 CHANNEL_TLV_VPORT_UPDATE_MCAST, size); 1148 resp_size += sizeof(struct pfvf_def_resp_tlv); 1149 1150 memcpy(p_mcast_tlv->bins, p_params->bins, 1151 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1152 } 1153 1154 update_rx = p_params->accept_flags.update_rx_mode_config; 1155 update_tx = p_params->accept_flags.update_tx_mode_config; 1156 1157 if (update_rx || update_tx) { 1158 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1159 1160 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1161 size = sizeof(struct vfpf_vport_update_accept_param_tlv); 1162 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1163 resp_size += sizeof(struct pfvf_def_resp_tlv); 1164 1165 if (update_rx) { 1166 p_accept_tlv->update_rx_mode = update_rx; 1167 p_accept_tlv->rx_accept_filter = 1168 p_params->accept_flags.rx_accept_filter; 1169 } 1170 1171 if (update_tx) { 1172 p_accept_tlv->update_tx_mode = update_tx; 1173 p_accept_tlv->tx_accept_filter = 1174 p_params->accept_flags.tx_accept_filter; 1175 } 1176 } 1177 1178 if (p_params->rss_params) { 1179 struct qed_rss_params *rss_params = p_params->rss_params; 1180 struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1181 int i, table_size; 1182 1183 size = sizeof(struct vfpf_vport_update_rss_tlv); 1184 p_rss_tlv = qed_add_tlv(p_hwfn, 1185 &p_iov->offset, 1186 CHANNEL_TLV_VPORT_UPDATE_RSS, size); 1187 resp_size += sizeof(struct pfvf_def_resp_tlv); 1188 1189 if (rss_params->update_rss_config) 1190 p_rss_tlv->update_rss_flags |= 1191 VFPF_UPDATE_RSS_CONFIG_FLAG; 1192 if (rss_params->update_rss_capabilities) 1193 p_rss_tlv->update_rss_flags |= 1194 VFPF_UPDATE_RSS_CAPS_FLAG; 1195 if (rss_params->update_rss_ind_table) 1196 p_rss_tlv->update_rss_flags |= 1197 VFPF_UPDATE_RSS_IND_TABLE_FLAG; 1198 if (rss_params->update_rss_key) 1199 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG; 1200 1201 p_rss_tlv->rss_enable = rss_params->rss_enable; 1202 p_rss_tlv->rss_caps = rss_params->rss_caps; 1203 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log; 1204 1205 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE, 1206 1 << p_rss_tlv->rss_table_size_log); 1207 for (i = 0; i < table_size; i++) { 1208 struct qed_queue_cid *p_queue; 1209 1210 p_queue = rss_params->rss_ind_table[i]; 1211 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id; 1212 } 1213 memcpy(p_rss_tlv->rss_key, rss_params->rss_key, 1214 sizeof(rss_params->rss_key)); 1215 } 1216 1217 if (p_params->update_accept_any_vlan_flg) { 1218 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv; 1219 1220 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv); 1221 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; 1222 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size); 1223 1224 resp_size += sizeof(struct pfvf_def_resp_tlv); 1225 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan; 1226 p_any_vlan_tlv->update_accept_any_vlan_flg = 1227 p_params->update_accept_any_vlan_flg; 1228 } 1229 1230 /* add list termination tlv */ 1231 qed_add_tlv(p_hwfn, &p_iov->offset, 1232 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1233 1234 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size); 1235 if (rc) 1236 goto exit; 1237 1238 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1239 rc = -EINVAL; 1240 goto exit; 1241 } 1242 1243 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params); 1244 1245 exit: 1246 qed_vf_pf_req_end(p_hwfn, rc); 1247 1248 return rc; 1249 } 1250 1251 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) 1252 { 1253 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1254 struct pfvf_def_resp_tlv *resp; 1255 struct vfpf_first_tlv *req; 1256 int rc; 1257 1258 /* clear mailbox and prep first tlv */ 1259 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req)); 1260 1261 /* add list termination tlv */ 1262 qed_add_tlv(p_hwfn, &p_iov->offset, 1263 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1264 1265 resp = &p_iov->pf2vf_reply->default_resp; 1266 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1267 if (rc) 1268 goto exit; 1269 1270 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1271 rc = -EAGAIN; 1272 goto exit; 1273 } 1274 1275 p_hwfn->b_int_enabled = 0; 1276 1277 exit: 1278 qed_vf_pf_req_end(p_hwfn, rc); 1279 1280 return rc; 1281 } 1282 1283 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, 1284 struct qed_filter_mcast *p_filter_cmd) 1285 { 1286 struct qed_sp_vport_update_params sp_params; 1287 int i; 1288 1289 memset(&sp_params, 0, sizeof(sp_params)); 1290 sp_params.update_approx_mcast_flg = 1; 1291 1292 if (p_filter_cmd->opcode == QED_FILTER_ADD) { 1293 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) { 1294 u32 bit; 1295 1296 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]); 1297 sp_params.bins[bit / 32] |= 1 << (bit % 32); 1298 } 1299 } 1300 1301 qed_vf_pf_vport_update(p_hwfn, &sp_params); 1302 } 1303 1304 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, 1305 struct qed_filter_ucast *p_ucast) 1306 { 1307 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1308 struct vfpf_ucast_filter_tlv *req; 1309 struct pfvf_def_resp_tlv *resp; 1310 int rc; 1311 1312 /* clear mailbox and prep first tlv */ 1313 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req)); 1314 req->opcode = (u8) p_ucast->opcode; 1315 req->type = (u8) p_ucast->type; 1316 memcpy(req->mac, p_ucast->mac, ETH_ALEN); 1317 req->vlan = p_ucast->vlan; 1318 1319 /* add list termination tlv */ 1320 qed_add_tlv(p_hwfn, &p_iov->offset, 1321 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1322 1323 resp = &p_iov->pf2vf_reply->default_resp; 1324 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1325 if (rc) 1326 goto exit; 1327 1328 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1329 rc = -EAGAIN; 1330 goto exit; 1331 } 1332 1333 exit: 1334 qed_vf_pf_req_end(p_hwfn, rc); 1335 1336 return rc; 1337 } 1338 1339 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) 1340 { 1341 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1342 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp; 1343 int rc; 1344 1345 /* clear mailbox and prep first tlv */ 1346 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP, 1347 sizeof(struct vfpf_first_tlv)); 1348 1349 /* add list termination tlv */ 1350 qed_add_tlv(p_hwfn, &p_iov->offset, 1351 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); 1352 1353 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1354 if (rc) 1355 goto exit; 1356 1357 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 1358 rc = -EINVAL; 1359 goto exit; 1360 } 1361 1362 exit: 1363 qed_vf_pf_req_end(p_hwfn, rc); 1364 1365 return rc; 1366 } 1367 1368 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, 1369 u16 *p_coal, struct qed_queue_cid *p_cid) 1370 { 1371 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1372 struct pfvf_read_coal_resp_tlv *resp; 1373 struct vfpf_read_coal_req_tlv *req; 1374 int rc; 1375 1376 /* clear mailbox and prep header tlv */ 1377 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req)); 1378 req->qid = p_cid->rel.queue_id; 1379 req->is_rx = p_cid->b_is_rx ? 1 : 0; 1380 1381 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1382 sizeof(struct channel_list_end_tlv)); 1383 resp = &p_iov->pf2vf_reply->read_coal_resp; 1384 1385 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1386 if (rc) 1387 goto exit; 1388 1389 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1390 goto exit; 1391 1392 *p_coal = resp->coal; 1393 exit: 1394 qed_vf_pf_req_end(p_hwfn, rc); 1395 1396 return rc; 1397 } 1398 1399 int 1400 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, 1401 u8 *p_mac) 1402 { 1403 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1404 struct vfpf_bulletin_update_mac_tlv *p_req; 1405 struct pfvf_def_resp_tlv *p_resp; 1406 int rc; 1407 1408 if (!p_mac) 1409 return -EINVAL; 1410 1411 /* clear mailbox and prep header tlv */ 1412 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC, 1413 sizeof(*p_req)); 1414 ether_addr_copy(p_req->mac, p_mac); 1415 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1416 "Requesting bulletin update for MAC[%pM]\n", p_mac); 1417 1418 /* add list termination tlv */ 1419 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1420 sizeof(struct channel_list_end_tlv)); 1421 1422 p_resp = &p_iov->pf2vf_reply->default_resp; 1423 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp)); 1424 qed_vf_pf_req_end(p_hwfn, rc); 1425 return rc; 1426 } 1427 1428 int 1429 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, 1430 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid) 1431 { 1432 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1433 struct vfpf_update_coalesce *req; 1434 struct pfvf_def_resp_tlv *resp; 1435 int rc; 1436 1437 /* clear mailbox and prep header tlv */ 1438 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req)); 1439 1440 req->rx_coal = rx_coal; 1441 req->tx_coal = tx_coal; 1442 req->qid = p_cid->rel.queue_id; 1443 1444 DP_VERBOSE(p_hwfn, 1445 QED_MSG_IOV, 1446 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n", 1447 rx_coal, tx_coal, req->qid); 1448 1449 /* add list termination tlv */ 1450 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, 1451 sizeof(struct channel_list_end_tlv)); 1452 1453 resp = &p_iov->pf2vf_reply->default_resp; 1454 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); 1455 if (rc) 1456 goto exit; 1457 1458 if (resp->hdr.status != PFVF_STATUS_SUCCESS) 1459 goto exit; 1460 1461 if (rx_coal) 1462 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 1463 1464 if (tx_coal) 1465 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 1466 1467 exit: 1468 qed_vf_pf_req_end(p_hwfn, rc); 1469 return rc; 1470 } 1471 1472 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) 1473 { 1474 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1475 1476 if (!p_iov) { 1477 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1478 return 0; 1479 } 1480 1481 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id; 1482 } 1483 1484 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, 1485 u16 sb_id, struct qed_sb_info *p_sb) 1486 { 1487 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1488 1489 if (!p_iov) { 1490 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n"); 1491 return; 1492 } 1493 1494 if (sb_id >= PFVF_MAX_SBS_PER_VF) { 1495 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id); 1496 return; 1497 } 1498 1499 p_iov->sbs_info[sb_id] = p_sb; 1500 } 1501 1502 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change) 1503 { 1504 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; 1505 struct qed_bulletin_content shadow; 1506 u32 crc, crc_size; 1507 1508 crc_size = sizeof(p_iov->bulletin.p_virt->crc); 1509 *p_change = 0; 1510 1511 /* Need to guarantee PF is not in the middle of writing it */ 1512 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size); 1513 1514 /* If version did not update, no need to do anything */ 1515 if (shadow.version == p_iov->bulletin_shadow.version) 1516 return 0; 1517 1518 /* Verify the bulletin we see is valid */ 1519 crc = crc32(0, (u8 *)&shadow + crc_size, 1520 p_iov->bulletin.size - crc_size); 1521 if (crc != shadow.crc) 1522 return -EAGAIN; 1523 1524 /* Set the shadow bulletin and process it */ 1525 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size); 1526 1527 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1528 "Read a bulletin update %08x\n", shadow.version); 1529 1530 *p_change = 1; 1531 1532 return 0; 1533 } 1534 1535 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1536 struct qed_mcp_link_params *p_params, 1537 struct qed_bulletin_content *p_bulletin) 1538 { 1539 memset(p_params, 0, sizeof(*p_params)); 1540 1541 p_params->speed.autoneg = p_bulletin->req_autoneg; 1542 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed; 1543 p_params->speed.forced_speed = p_bulletin->req_forced_speed; 1544 p_params->pause.autoneg = p_bulletin->req_autoneg_pause; 1545 p_params->pause.forced_rx = p_bulletin->req_forced_rx; 1546 p_params->pause.forced_tx = p_bulletin->req_forced_tx; 1547 p_params->loopback_mode = p_bulletin->req_loopback; 1548 } 1549 1550 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, 1551 struct qed_mcp_link_params *params) 1552 { 1553 __qed_vf_get_link_params(p_hwfn, params, 1554 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1555 } 1556 1557 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1558 struct qed_mcp_link_state *p_link, 1559 struct qed_bulletin_content *p_bulletin) 1560 { 1561 memset(p_link, 0, sizeof(*p_link)); 1562 1563 p_link->link_up = p_bulletin->link_up; 1564 p_link->speed = p_bulletin->speed; 1565 p_link->full_duplex = p_bulletin->full_duplex; 1566 p_link->an = p_bulletin->autoneg; 1567 p_link->an_complete = p_bulletin->autoneg_complete; 1568 p_link->parallel_detection = p_bulletin->parallel_detection; 1569 p_link->pfc_enabled = p_bulletin->pfc_enabled; 1570 p_link->partner_adv_speed = p_bulletin->partner_adv_speed; 1571 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en; 1572 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en; 1573 p_link->partner_adv_pause = p_bulletin->partner_adv_pause; 1574 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault; 1575 } 1576 1577 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, 1578 struct qed_mcp_link_state *link) 1579 { 1580 __qed_vf_get_link_state(p_hwfn, link, 1581 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1582 } 1583 1584 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1585 struct qed_mcp_link_capabilities *p_link_caps, 1586 struct qed_bulletin_content *p_bulletin) 1587 { 1588 memset(p_link_caps, 0, sizeof(*p_link_caps)); 1589 p_link_caps->speed_capabilities = p_bulletin->capability_speed; 1590 } 1591 1592 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, 1593 struct qed_mcp_link_capabilities *p_link_caps) 1594 { 1595 __qed_vf_get_link_caps(p_hwfn, p_link_caps, 1596 &(p_hwfn->vf_iov_info->bulletin_shadow)); 1597 } 1598 1599 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) 1600 { 1601 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs; 1602 } 1603 1604 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs) 1605 { 1606 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs; 1607 } 1608 1609 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids) 1610 { 1611 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids; 1612 } 1613 1614 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) 1615 { 1616 memcpy(port_mac, 1617 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN); 1618 } 1619 1620 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) 1621 { 1622 struct qed_vf_iov *p_vf; 1623 1624 p_vf = p_hwfn->vf_iov_info; 1625 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters; 1626 } 1627 1628 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters) 1629 { 1630 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info; 1631 1632 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters; 1633 } 1634 1635 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac) 1636 { 1637 struct qed_bulletin_content *bulletin; 1638 1639 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1640 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED))) 1641 return true; 1642 1643 /* Forbid VF from changing a MAC enforced by PF */ 1644 if (ether_addr_equal(bulletin->mac, mac)) 1645 return false; 1646 1647 return false; 1648 } 1649 1650 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn, 1651 u8 *dst_mac, u8 *p_is_forced) 1652 { 1653 struct qed_bulletin_content *bulletin; 1654 1655 bulletin = &hwfn->vf_iov_info->bulletin_shadow; 1656 1657 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { 1658 if (p_is_forced) 1659 *p_is_forced = 1; 1660 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { 1661 if (p_is_forced) 1662 *p_is_forced = 0; 1663 } else { 1664 return false; 1665 } 1666 1667 ether_addr_copy(dst_mac, bulletin->mac); 1668 1669 return true; 1670 } 1671 1672 static void 1673 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, 1674 u16 *p_vxlan_port, u16 *p_geneve_port) 1675 { 1676 struct qed_bulletin_content *p_bulletin; 1677 1678 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; 1679 1680 *p_vxlan_port = p_bulletin->vxlan_udp_port; 1681 *p_geneve_port = p_bulletin->geneve_udp_port; 1682 } 1683 1684 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, 1685 u16 *fw_major, u16 *fw_minor, 1686 u16 *fw_rev, u16 *fw_eng) 1687 { 1688 struct pf_vf_pfdev_info *info; 1689 1690 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; 1691 1692 *fw_major = info->fw_major; 1693 *fw_minor = info->fw_minor; 1694 *fw_rev = info->fw_rev; 1695 *fw_eng = info->fw_eng; 1696 } 1697 1698 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn) 1699 { 1700 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth; 1701 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced; 1702 void *cookie = hwfn->cdev->ops_cookie; 1703 u16 vxlan_port, geneve_port; 1704 1705 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); 1706 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, 1707 &is_mac_forced); 1708 if (is_mac_exist && cookie) 1709 ops->force_mac(cookie, mac, !!is_mac_forced); 1710 1711 ops->ports_update(cookie, vxlan_port, geneve_port); 1712 1713 /* Always update link configuration according to bulletin */ 1714 qed_link_update(hwfn, NULL); 1715 } 1716 1717 void qed_iov_vf_task(struct work_struct *work) 1718 { 1719 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 1720 iov_task.work); 1721 u8 change = 0; 1722 1723 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 1724 return; 1725 1726 /* Handle bulletin board changes */ 1727 qed_vf_read_bulletin(hwfn, &change); 1728 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, 1729 &hwfn->iov_task_flags)) 1730 change = 1; 1731 if (change) 1732 qed_handle_bulletin_change(hwfn); 1733 1734 /* As VF is polling bulletin board, need to constantly re-schedule */ 1735 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ); 1736 } 1737