1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (C) 2022, Intel Corporation. */ 3 4 #include "ice_vf_lib_private.h" 5 #include "ice.h" 6 #include "ice_lib.h" 7 #include "ice_fltr.h" 8 #include "ice_virtchnl_allowlist.h" 9 10 /* Public functions which may be accessed by all driver files */ 11 12 /** 13 * ice_get_vf_by_id - Get pointer to VF by ID 14 * @pf: the PF private structure 15 * @vf_id: the VF ID to locate 16 * 17 * Locate and return a pointer to the VF structure associated with a given ID. 18 * Returns NULL if the ID does not have a valid VF structure associated with 19 * it. 20 * 21 * This function takes a reference to the VF, which must be released by 22 * calling ice_put_vf() once the caller is finished accessing the VF structure 23 * returned. 24 */ 25 struct ice_vf *ice_get_vf_by_id(struct ice_pf *pf, u16 vf_id) 26 { 27 struct ice_vf *vf; 28 29 rcu_read_lock(); 30 hash_for_each_possible_rcu(pf->vfs.table, vf, entry, vf_id) { 31 if (vf->vf_id == vf_id) { 32 struct ice_vf *found; 33 34 if (kref_get_unless_zero(&vf->refcnt)) 35 found = vf; 36 else 37 found = NULL; 38 39 rcu_read_unlock(); 40 return found; 41 } 42 } 43 rcu_read_unlock(); 44 45 return NULL; 46 } 47 48 /** 49 * ice_release_vf - Release VF associated with a refcount 50 * @ref: the kref decremented to zero 51 * 52 * Callback function for kref_put to release a VF once its reference count has 53 * hit zero. 54 */ 55 static void ice_release_vf(struct kref *ref) 56 { 57 struct ice_vf *vf = container_of(ref, struct ice_vf, refcnt); 58 59 vf->vf_ops->free(vf); 60 } 61 62 /** 63 * ice_put_vf - Release a reference to a VF 64 * @vf: the VF structure to decrease reference count on 65 * 66 * Decrease the reference count for a VF, and free the entry if it is no 67 * longer in use. 68 * 69 * This must be called after ice_get_vf_by_id() once the reference to the VF 70 * structure is no longer used. Otherwise, the VF structure will never be 71 * freed. 72 */ 73 void ice_put_vf(struct ice_vf *vf) 74 { 75 kref_put(&vf->refcnt, ice_release_vf); 76 } 77 78 /** 79 * ice_has_vfs - Return true if the PF has any associated VFs 80 * @pf: the PF private structure 81 * 82 * Return whether or not the PF has any allocated VFs. 83 * 84 * Note that this function only guarantees that there are no VFs at the point 85 * of calling it. It does not guarantee that no more VFs will be added. 86 */ 87 bool ice_has_vfs(struct ice_pf *pf) 88 { 89 /* A simple check that the hash table is not empty does not require 90 * the mutex or rcu_read_lock. 91 */ 92 return !hash_empty(pf->vfs.table); 93 } 94 95 /** 96 * ice_get_num_vfs - Get number of allocated VFs 97 * @pf: the PF private structure 98 * 99 * Return the total number of allocated VFs. NOTE: VF IDs are not guaranteed 100 * to be contiguous. Do not assume that a VF ID is guaranteed to be less than 101 * the output of this function. 102 */ 103 u16 ice_get_num_vfs(struct ice_pf *pf) 104 { 105 struct ice_vf *vf; 106 unsigned int bkt; 107 u16 num_vfs = 0; 108 109 rcu_read_lock(); 110 ice_for_each_vf_rcu(pf, bkt, vf) 111 num_vfs++; 112 rcu_read_unlock(); 113 114 return num_vfs; 115 } 116 117 /** 118 * ice_get_vf_vsi - get VF's VSI based on the stored index 119 * @vf: VF used to get VSI 120 */ 121 struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf) 122 { 123 if (vf->lan_vsi_idx == ICE_NO_VSI) 124 return NULL; 125 126 return vf->pf->vsi[vf->lan_vsi_idx]; 127 } 128 129 /** 130 * ice_is_vf_disabled 131 * @vf: pointer to the VF info 132 * 133 * If the PF has been disabled, there is no need resetting VF until PF is 134 * active again. Similarly, if the VF has been disabled, this means something 135 * else is resetting the VF, so we shouldn't continue. 136 * 137 * Returns true if the caller should consider the VF as disabled whether 138 * because that single VF is explicitly disabled or because the PF is 139 * currently disabled. 140 */ 141 bool ice_is_vf_disabled(struct ice_vf *vf) 142 { 143 struct ice_pf *pf = vf->pf; 144 145 return (test_bit(ICE_VF_DIS, pf->state) || 146 test_bit(ICE_VF_STATE_DIS, vf->vf_states)); 147 } 148 149 /** 150 * ice_wait_on_vf_reset - poll to make sure a given VF is ready after reset 151 * @vf: The VF being resseting 152 * 153 * The max poll time is about ~800ms, which is about the maximum time it takes 154 * for a VF to be reset and/or a VF driver to be removed. 155 */ 156 static void ice_wait_on_vf_reset(struct ice_vf *vf) 157 { 158 int i; 159 160 for (i = 0; i < ICE_MAX_VF_RESET_TRIES; i++) { 161 if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) 162 break; 163 msleep(ICE_MAX_VF_RESET_SLEEP_MS); 164 } 165 } 166 167 /** 168 * ice_check_vf_ready_for_cfg - check if VF is ready to be configured/queried 169 * @vf: VF to check if it's ready to be configured/queried 170 * 171 * The purpose of this function is to make sure the VF is not in reset, not 172 * disabled, and initialized so it can be configured and/or queried by a host 173 * administrator. 174 */ 175 int ice_check_vf_ready_for_cfg(struct ice_vf *vf) 176 { 177 ice_wait_on_vf_reset(vf); 178 179 if (ice_is_vf_disabled(vf)) 180 return -EINVAL; 181 182 if (ice_check_vf_init(vf)) 183 return -EBUSY; 184 185 return 0; 186 } 187 188 /** 189 * ice_trigger_vf_reset - Reset a VF on HW 190 * @vf: pointer to the VF structure 191 * @is_vflr: true if VFLR was issued, false if not 192 * @is_pfr: true if the reset was triggered due to a previous PFR 193 * 194 * Trigger hardware to start a reset for a particular VF. Expects the caller 195 * to wait the proper amount of time to allow hardware to reset the VF before 196 * it cleans up and restores VF functionality. 197 */ 198 static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr) 199 { 200 /* Inform VF that it is no longer active, as a warning */ 201 clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); 202 203 /* Disable VF's configuration API during reset. The flag is re-enabled 204 * when it's safe again to access VF's VSI. 205 */ 206 clear_bit(ICE_VF_STATE_INIT, vf->vf_states); 207 208 /* VF_MBX_ARQLEN and VF_MBX_ATQLEN are cleared by PFR, so the driver 209 * needs to clear them in the case of VFR/VFLR. If this is done for 210 * PFR, it can mess up VF resets because the VF driver may already 211 * have started cleanup by the time we get here. 212 */ 213 if (!is_pfr) 214 vf->vf_ops->clear_mbx_register(vf); 215 216 vf->vf_ops->trigger_reset_register(vf, is_vflr); 217 } 218 219 static void ice_vf_clear_counters(struct ice_vf *vf) 220 { 221 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 222 223 if (vsi) 224 vsi->num_vlan = 0; 225 226 vf->num_mac = 0; 227 memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events)); 228 memset(&vf->mdd_rx_events, 0, sizeof(vf->mdd_rx_events)); 229 } 230 231 /** 232 * ice_vf_pre_vsi_rebuild - tasks to be done prior to VSI rebuild 233 * @vf: VF to perform pre VSI rebuild tasks 234 * 235 * These tasks are items that don't need to be amortized since they are most 236 * likely called in a for loop with all VF(s) in the reset_all_vfs() case. 237 */ 238 static void ice_vf_pre_vsi_rebuild(struct ice_vf *vf) 239 { 240 /* Close any IRQ mapping now */ 241 if (vf->vf_ops->irq_close) 242 vf->vf_ops->irq_close(vf); 243 244 ice_vf_clear_counters(vf); 245 vf->vf_ops->clear_reset_trigger(vf); 246 } 247 248 /** 249 * ice_vf_recreate_vsi - Release and re-create the VF's VSI 250 * @vf: VF to recreate the VSI for 251 * 252 * This is only called when a single VF is being reset (i.e. VVF, VFLR, host 253 * VF configuration change, etc) 254 * 255 * It releases and then re-creates a new VSI. 256 */ 257 static int ice_vf_recreate_vsi(struct ice_vf *vf) 258 { 259 struct ice_pf *pf = vf->pf; 260 int err; 261 262 ice_vf_vsi_release(vf); 263 264 err = vf->vf_ops->create_vsi(vf); 265 if (err) { 266 dev_err(ice_pf_to_dev(pf), 267 "Failed to recreate the VF%u's VSI, error %d\n", 268 vf->vf_id, err); 269 return err; 270 } 271 272 return 0; 273 } 274 275 /** 276 * ice_vf_rebuild_vsi - rebuild the VF's VSI 277 * @vf: VF to rebuild the VSI for 278 * 279 * This is only called when all VF(s) are being reset (i.e. PCIe Reset on the 280 * host, PFR, CORER, etc.). 281 * 282 * It reprograms the VSI configuration back into hardware. 283 */ 284 static int ice_vf_rebuild_vsi(struct ice_vf *vf) 285 { 286 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 287 struct ice_pf *pf = vf->pf; 288 289 if (WARN_ON(!vsi)) 290 return -EINVAL; 291 292 if (ice_vsi_rebuild(vsi, ICE_VSI_FLAG_INIT)) { 293 dev_err(ice_pf_to_dev(pf), "failed to rebuild VF %d VSI\n", 294 vf->vf_id); 295 return -EIO; 296 } 297 /* vsi->idx will remain the same in this case so don't update 298 * vf->lan_vsi_idx 299 */ 300 vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 301 vf->lan_vsi_num = vsi->vsi_num; 302 303 return 0; 304 } 305 306 /** 307 * ice_vf_post_vsi_rebuild - Reset tasks that occur after VSI rebuild 308 * @vf: the VF being reset 309 * 310 * Perform reset tasks which must occur after the VSI has been re-created or 311 * rebuilt during a VF reset. 312 */ 313 static void ice_vf_post_vsi_rebuild(struct ice_vf *vf) 314 { 315 ice_vf_rebuild_host_cfg(vf); 316 ice_vf_set_initialized(vf); 317 318 vf->vf_ops->post_vsi_rebuild(vf); 319 } 320 321 /** 322 * ice_is_any_vf_in_unicast_promisc - check if any VF(s) 323 * are in unicast promiscuous mode 324 * @pf: PF structure for accessing VF(s) 325 * 326 * Return false if no VF(s) are in unicast promiscuous mode, 327 * else return true 328 */ 329 bool ice_is_any_vf_in_unicast_promisc(struct ice_pf *pf) 330 { 331 bool is_vf_promisc = false; 332 struct ice_vf *vf; 333 unsigned int bkt; 334 335 rcu_read_lock(); 336 ice_for_each_vf_rcu(pf, bkt, vf) { 337 /* found a VF that has promiscuous mode configured */ 338 if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) { 339 is_vf_promisc = true; 340 break; 341 } 342 } 343 rcu_read_unlock(); 344 345 return is_vf_promisc; 346 } 347 348 /** 349 * ice_vf_get_promisc_masks - Calculate masks for promiscuous modes 350 * @vf: the VF pointer 351 * @vsi: the VSI to configure 352 * @ucast_m: promiscuous mask to apply to unicast 353 * @mcast_m: promiscuous mask to apply to multicast 354 * 355 * Decide which mask should be used for unicast and multicast filter, 356 * based on presence of VLANs 357 */ 358 void 359 ice_vf_get_promisc_masks(struct ice_vf *vf, struct ice_vsi *vsi, 360 u8 *ucast_m, u8 *mcast_m) 361 { 362 if (ice_vf_is_port_vlan_ena(vf) || 363 ice_vsi_has_non_zero_vlans(vsi)) { 364 *mcast_m = ICE_MCAST_VLAN_PROMISC_BITS; 365 *ucast_m = ICE_UCAST_VLAN_PROMISC_BITS; 366 } else { 367 *mcast_m = ICE_MCAST_PROMISC_BITS; 368 *ucast_m = ICE_UCAST_PROMISC_BITS; 369 } 370 } 371 372 /** 373 * ice_vf_clear_all_promisc_modes - Clear promisc/allmulticast on VF VSI 374 * @vf: the VF pointer 375 * @vsi: the VSI to configure 376 * 377 * Clear all promiscuous/allmulticast filters for a VF 378 */ 379 static int 380 ice_vf_clear_all_promisc_modes(struct ice_vf *vf, struct ice_vsi *vsi) 381 { 382 struct ice_pf *pf = vf->pf; 383 u8 ucast_m, mcast_m; 384 int ret = 0; 385 386 ice_vf_get_promisc_masks(vf, vsi, &ucast_m, &mcast_m); 387 if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) { 388 if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) { 389 if (ice_is_dflt_vsi_in_use(vsi->port_info)) 390 ret = ice_clear_dflt_vsi(vsi); 391 } else { 392 ret = ice_vf_clear_vsi_promisc(vf, vsi, ucast_m); 393 } 394 395 if (ret) { 396 dev_err(ice_pf_to_dev(vf->pf), "Disabling promiscuous mode failed\n"); 397 } else { 398 clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); 399 dev_info(ice_pf_to_dev(vf->pf), "Disabling promiscuous mode succeeded\n"); 400 } 401 } 402 403 if (test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) { 404 ret = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m); 405 if (ret) { 406 dev_err(ice_pf_to_dev(vf->pf), "Disabling allmulticast mode failed\n"); 407 } else { 408 clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); 409 dev_info(ice_pf_to_dev(vf->pf), "Disabling allmulticast mode succeeded\n"); 410 } 411 } 412 return ret; 413 } 414 415 /** 416 * ice_vf_set_vsi_promisc - Enable promiscuous mode for a VF VSI 417 * @vf: the VF to configure 418 * @vsi: the VF's VSI 419 * @promisc_m: the promiscuous mode to enable 420 */ 421 int 422 ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m) 423 { 424 struct ice_hw *hw = &vsi->back->hw; 425 int status; 426 427 if (ice_vf_is_port_vlan_ena(vf)) 428 status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m, 429 ice_vf_get_port_vlan_id(vf)); 430 else if (ice_vsi_has_non_zero_vlans(vsi)) 431 status = ice_fltr_set_vlan_vsi_promisc(hw, vsi, promisc_m); 432 else 433 status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m, 0); 434 435 if (status && status != -EEXIST) { 436 dev_err(ice_pf_to_dev(vsi->back), "enable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n", 437 vf->vf_id, status); 438 return status; 439 } 440 441 return 0; 442 } 443 444 /** 445 * ice_vf_clear_vsi_promisc - Disable promiscuous mode for a VF VSI 446 * @vf: the VF to configure 447 * @vsi: the VF's VSI 448 * @promisc_m: the promiscuous mode to disable 449 */ 450 int 451 ice_vf_clear_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m) 452 { 453 struct ice_hw *hw = &vsi->back->hw; 454 int status; 455 456 if (ice_vf_is_port_vlan_ena(vf)) 457 status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m, 458 ice_vf_get_port_vlan_id(vf)); 459 else if (ice_vsi_has_non_zero_vlans(vsi)) 460 status = ice_fltr_clear_vlan_vsi_promisc(hw, vsi, promisc_m); 461 else 462 status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m, 0); 463 464 if (status && status != -ENOENT) { 465 dev_err(ice_pf_to_dev(vsi->back), "disable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n", 466 vf->vf_id, status); 467 return status; 468 } 469 470 return 0; 471 } 472 473 /** 474 * ice_reset_all_vfs - reset all allocated VFs in one go 475 * @pf: pointer to the PF structure 476 * 477 * Reset all VFs at once, in response to a PF or other device reset. 478 * 479 * First, tell the hardware to reset each VF, then do all the waiting in one 480 * chunk, and finally finish restoring each VF after the wait. This is useful 481 * during PF routines which need to reset all VFs, as otherwise it must perform 482 * these resets in a serialized fashion. 483 */ 484 void ice_reset_all_vfs(struct ice_pf *pf) 485 { 486 struct device *dev = ice_pf_to_dev(pf); 487 struct ice_hw *hw = &pf->hw; 488 struct ice_vf *vf; 489 unsigned int bkt; 490 491 /* If we don't have any VFs, then there is nothing to reset */ 492 if (!ice_has_vfs(pf)) 493 return; 494 495 mutex_lock(&pf->vfs.table_lock); 496 497 /* clear all malicious info if the VFs are getting reset */ 498 ice_for_each_vf(pf, bkt, vf) 499 if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs, 500 ICE_MAX_SRIOV_VFS, vf->vf_id)) 501 dev_dbg(dev, "failed to clear malicious VF state for VF %u\n", 502 vf->vf_id); 503 504 /* If VFs have been disabled, there is no need to reset */ 505 if (test_and_set_bit(ICE_VF_DIS, pf->state)) { 506 mutex_unlock(&pf->vfs.table_lock); 507 return; 508 } 509 510 /* Begin reset on all VFs at once */ 511 ice_for_each_vf(pf, bkt, vf) 512 ice_trigger_vf_reset(vf, true, true); 513 514 /* HW requires some time to make sure it can flush the FIFO for a VF 515 * when it resets it. Now that we've triggered all of the VFs, iterate 516 * the table again and wait for each VF to complete. 517 */ 518 ice_for_each_vf(pf, bkt, vf) { 519 if (!vf->vf_ops->poll_reset_status(vf)) { 520 /* Display a warning if at least one VF didn't manage 521 * to reset in time, but continue on with the 522 * operation. 523 */ 524 dev_warn(dev, "VF %u reset check timeout\n", vf->vf_id); 525 break; 526 } 527 } 528 529 /* free VF resources to begin resetting the VSI state */ 530 ice_for_each_vf(pf, bkt, vf) { 531 mutex_lock(&vf->cfg_lock); 532 533 vf->driver_caps = 0; 534 ice_vc_set_default_allowlist(vf); 535 536 ice_vf_fdir_exit(vf); 537 ice_vf_fdir_init(vf); 538 /* clean VF control VSI when resetting VFs since it should be 539 * setup only when VF creates its first FDIR rule. 540 */ 541 if (vf->ctrl_vsi_idx != ICE_NO_VSI) 542 ice_vf_ctrl_invalidate_vsi(vf); 543 544 ice_vf_pre_vsi_rebuild(vf); 545 ice_vf_rebuild_vsi(vf); 546 ice_vf_post_vsi_rebuild(vf); 547 548 mutex_unlock(&vf->cfg_lock); 549 } 550 551 if (ice_is_eswitch_mode_switchdev(pf)) 552 if (ice_eswitch_rebuild(pf)) 553 dev_warn(dev, "eswitch rebuild failed\n"); 554 555 ice_flush(hw); 556 clear_bit(ICE_VF_DIS, pf->state); 557 558 mutex_unlock(&pf->vfs.table_lock); 559 } 560 561 /** 562 * ice_notify_vf_reset - Notify VF of a reset event 563 * @vf: pointer to the VF structure 564 */ 565 static void ice_notify_vf_reset(struct ice_vf *vf) 566 { 567 struct ice_hw *hw = &vf->pf->hw; 568 struct virtchnl_pf_event pfe; 569 570 /* Bail out if VF is in disabled state, neither initialized, nor active 571 * state - otherwise proceed with notifications 572 */ 573 if ((!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && 574 !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) || 575 test_bit(ICE_VF_STATE_DIS, vf->vf_states)) 576 return; 577 578 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; 579 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; 580 ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, 581 VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe), 582 NULL); 583 } 584 585 /** 586 * ice_reset_vf - Reset a particular VF 587 * @vf: pointer to the VF structure 588 * @flags: flags controlling behavior of the reset 589 * 590 * Flags: 591 * ICE_VF_RESET_VFLR - Indicates a reset is due to VFLR event 592 * ICE_VF_RESET_NOTIFY - Send VF a notification prior to reset 593 * ICE_VF_RESET_LOCK - Acquire VF cfg_lock before resetting 594 * 595 * Returns 0 if the VF is currently in reset, if resets are disabled, or if 596 * the VF resets successfully. Returns an error code if the VF fails to 597 * rebuild. 598 */ 599 int ice_reset_vf(struct ice_vf *vf, u32 flags) 600 { 601 struct ice_pf *pf = vf->pf; 602 struct ice_vsi *vsi; 603 struct device *dev; 604 struct ice_hw *hw; 605 int err = 0; 606 bool rsd; 607 608 dev = ice_pf_to_dev(pf); 609 hw = &pf->hw; 610 611 if (flags & ICE_VF_RESET_NOTIFY) 612 ice_notify_vf_reset(vf); 613 614 if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) { 615 dev_dbg(dev, "Trying to reset VF %d, but all VF resets are disabled\n", 616 vf->vf_id); 617 return 0; 618 } 619 620 if (ice_is_vf_disabled(vf)) { 621 vsi = ice_get_vf_vsi(vf); 622 if (!vsi) { 623 dev_dbg(dev, "VF is already removed\n"); 624 return -EINVAL; 625 } 626 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 627 628 if (ice_vsi_is_rx_queue_active(vsi)) 629 ice_vsi_stop_all_rx_rings(vsi); 630 631 dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n", 632 vf->vf_id); 633 return 0; 634 } 635 636 if (flags & ICE_VF_RESET_LOCK) 637 mutex_lock(&vf->cfg_lock); 638 else 639 lockdep_assert_held(&vf->cfg_lock); 640 641 /* Set VF disable bit state here, before triggering reset */ 642 set_bit(ICE_VF_STATE_DIS, vf->vf_states); 643 ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false); 644 645 vsi = ice_get_vf_vsi(vf); 646 if (WARN_ON(!vsi)) { 647 err = -EIO; 648 goto out_unlock; 649 } 650 651 ice_dis_vf_qs(vf); 652 653 /* Call Disable LAN Tx queue AQ whether or not queues are 654 * enabled. This is needed for successful completion of VFR. 655 */ 656 ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL, 657 NULL, vf->vf_ops->reset_type, vf->vf_id, NULL); 658 659 /* poll VPGEN_VFRSTAT reg to make sure 660 * that reset is complete 661 */ 662 rsd = vf->vf_ops->poll_reset_status(vf); 663 664 /* Display a warning if VF didn't manage to reset in time, but need to 665 * continue on with the operation. 666 */ 667 if (!rsd) 668 dev_warn(dev, "VF reset check timeout on VF %d\n", vf->vf_id); 669 670 vf->driver_caps = 0; 671 ice_vc_set_default_allowlist(vf); 672 673 /* disable promiscuous modes in case they were enabled 674 * ignore any error if disabling process failed 675 */ 676 ice_vf_clear_all_promisc_modes(vf, vsi); 677 678 ice_eswitch_del_vf_mac_rule(vf); 679 680 ice_vf_fdir_exit(vf); 681 ice_vf_fdir_init(vf); 682 /* clean VF control VSI when resetting VF since it should be setup 683 * only when VF creates its first FDIR rule. 684 */ 685 if (vf->ctrl_vsi_idx != ICE_NO_VSI) 686 ice_vf_ctrl_vsi_release(vf); 687 688 ice_vf_pre_vsi_rebuild(vf); 689 690 if (ice_vf_recreate_vsi(vf)) { 691 dev_err(dev, "Failed to release and setup the VF%u's VSI\n", 692 vf->vf_id); 693 err = -EFAULT; 694 goto out_unlock; 695 } 696 697 ice_vf_post_vsi_rebuild(vf); 698 vsi = ice_get_vf_vsi(vf); 699 if (WARN_ON(!vsi)) { 700 err = -EINVAL; 701 goto out_unlock; 702 } 703 704 ice_eswitch_update_repr(vsi); 705 ice_eswitch_replay_vf_mac_rule(vf); 706 707 /* if the VF has been reset allow it to come up again */ 708 if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs, 709 ICE_MAX_SRIOV_VFS, vf->vf_id)) 710 dev_dbg(dev, "failed to clear malicious VF state for VF %u\n", 711 vf->vf_id); 712 713 out_unlock: 714 if (flags & ICE_VF_RESET_LOCK) 715 mutex_unlock(&vf->cfg_lock); 716 717 return err; 718 } 719 720 /** 721 * ice_set_vf_state_qs_dis - Set VF queues state to disabled 722 * @vf: pointer to the VF structure 723 */ 724 static void ice_set_vf_state_qs_dis(struct ice_vf *vf) 725 { 726 /* Clear Rx/Tx enabled queues flag */ 727 bitmap_zero(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF); 728 bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF); 729 clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); 730 } 731 732 /** 733 * ice_set_vf_state_dis - Set VF state to disabled 734 * @vf: pointer to the VF structure 735 */ 736 void ice_set_vf_state_dis(struct ice_vf *vf) 737 { 738 ice_set_vf_state_qs_dis(vf); 739 vf->vf_ops->clear_reset_state(vf); 740 } 741 742 /* Private functions only accessed from other virtualization files */ 743 744 /** 745 * ice_initialize_vf_entry - Initialize a VF entry 746 * @vf: pointer to the VF structure 747 */ 748 void ice_initialize_vf_entry(struct ice_vf *vf) 749 { 750 struct ice_pf *pf = vf->pf; 751 struct ice_vfs *vfs; 752 753 vfs = &pf->vfs; 754 755 /* assign default capabilities */ 756 vf->spoofchk = true; 757 vf->num_vf_qs = vfs->num_qps_per; 758 ice_vc_set_default_allowlist(vf); 759 ice_virtchnl_set_dflt_ops(vf); 760 761 /* ctrl_vsi_idx will be set to a valid value only when iAVF 762 * creates its first fdir rule. 763 */ 764 ice_vf_ctrl_invalidate_vsi(vf); 765 ice_vf_fdir_init(vf); 766 767 mutex_init(&vf->cfg_lock); 768 } 769 770 /** 771 * ice_dis_vf_qs - Disable the VF queues 772 * @vf: pointer to the VF structure 773 */ 774 void ice_dis_vf_qs(struct ice_vf *vf) 775 { 776 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 777 778 if (WARN_ON(!vsi)) 779 return; 780 781 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 782 ice_vsi_stop_all_rx_rings(vsi); 783 ice_set_vf_state_qs_dis(vf); 784 } 785 786 /** 787 * ice_err_to_virt_err - translate errors for VF return code 788 * @err: error return code 789 */ 790 enum virtchnl_status_code ice_err_to_virt_err(int err) 791 { 792 switch (err) { 793 case 0: 794 return VIRTCHNL_STATUS_SUCCESS; 795 case -EINVAL: 796 case -ENODEV: 797 return VIRTCHNL_STATUS_ERR_PARAM; 798 case -ENOMEM: 799 return VIRTCHNL_STATUS_ERR_NO_MEMORY; 800 case -EALREADY: 801 case -EBUSY: 802 case -EIO: 803 case -ENOSPC: 804 return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 805 default: 806 return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; 807 } 808 } 809 810 /** 811 * ice_check_vf_init - helper to check if VF init complete 812 * @vf: the pointer to the VF to check 813 */ 814 int ice_check_vf_init(struct ice_vf *vf) 815 { 816 struct ice_pf *pf = vf->pf; 817 818 if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) { 819 dev_err(ice_pf_to_dev(pf), "VF ID: %u in reset. Try again.\n", 820 vf->vf_id); 821 return -EBUSY; 822 } 823 return 0; 824 } 825 826 /** 827 * ice_vf_get_port_info - Get the VF's port info structure 828 * @vf: VF used to get the port info structure for 829 */ 830 struct ice_port_info *ice_vf_get_port_info(struct ice_vf *vf) 831 { 832 return vf->pf->hw.port_info; 833 } 834 835 /** 836 * ice_cfg_mac_antispoof - Configure MAC antispoof checking behavior 837 * @vsi: the VSI to configure 838 * @enable: whether to enable or disable the spoof checking 839 * 840 * Configure a VSI to enable (or disable) spoof checking behavior. 841 */ 842 static int ice_cfg_mac_antispoof(struct ice_vsi *vsi, bool enable) 843 { 844 struct ice_vsi_ctx *ctx; 845 int err; 846 847 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 848 if (!ctx) 849 return -ENOMEM; 850 851 ctx->info.sec_flags = vsi->info.sec_flags; 852 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 853 854 if (enable) 855 ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 856 else 857 ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 858 859 err = ice_update_vsi(&vsi->back->hw, vsi->idx, ctx, NULL); 860 if (err) 861 dev_err(ice_pf_to_dev(vsi->back), "Failed to configure Tx MAC anti-spoof %s for VSI %d, error %d\n", 862 enable ? "ON" : "OFF", vsi->vsi_num, err); 863 else 864 vsi->info.sec_flags = ctx->info.sec_flags; 865 866 kfree(ctx); 867 868 return err; 869 } 870 871 /** 872 * ice_vsi_ena_spoofchk - enable Tx spoof checking for this VSI 873 * @vsi: VSI to enable Tx spoof checking for 874 */ 875 static int ice_vsi_ena_spoofchk(struct ice_vsi *vsi) 876 { 877 struct ice_vsi_vlan_ops *vlan_ops; 878 int err = 0; 879 880 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 881 882 /* Allow VF with VLAN 0 only to send all tagged traffic */ 883 if (vsi->type != ICE_VSI_VF || ice_vsi_has_non_zero_vlans(vsi)) { 884 err = vlan_ops->ena_tx_filtering(vsi); 885 if (err) 886 return err; 887 } 888 889 return ice_cfg_mac_antispoof(vsi, true); 890 } 891 892 /** 893 * ice_vsi_dis_spoofchk - disable Tx spoof checking for this VSI 894 * @vsi: VSI to disable Tx spoof checking for 895 */ 896 static int ice_vsi_dis_spoofchk(struct ice_vsi *vsi) 897 { 898 struct ice_vsi_vlan_ops *vlan_ops; 899 int err; 900 901 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 902 903 err = vlan_ops->dis_tx_filtering(vsi); 904 if (err) 905 return err; 906 907 return ice_cfg_mac_antispoof(vsi, false); 908 } 909 910 /** 911 * ice_vsi_apply_spoofchk - Apply Tx spoof checking setting to a VSI 912 * @vsi: VSI associated to the VF 913 * @enable: whether to enable or disable the spoof checking 914 */ 915 int ice_vsi_apply_spoofchk(struct ice_vsi *vsi, bool enable) 916 { 917 int err; 918 919 if (enable) 920 err = ice_vsi_ena_spoofchk(vsi); 921 else 922 err = ice_vsi_dis_spoofchk(vsi); 923 924 return err; 925 } 926 927 /** 928 * ice_is_vf_trusted 929 * @vf: pointer to the VF info 930 */ 931 bool ice_is_vf_trusted(struct ice_vf *vf) 932 { 933 return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 934 } 935 936 /** 937 * ice_vf_has_no_qs_ena - check if the VF has any Rx or Tx queues enabled 938 * @vf: the VF to check 939 * 940 * Returns true if the VF has no Rx and no Tx queues enabled and returns false 941 * otherwise 942 */ 943 bool ice_vf_has_no_qs_ena(struct ice_vf *vf) 944 { 945 return (!bitmap_weight(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF) && 946 !bitmap_weight(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF)); 947 } 948 949 /** 950 * ice_is_vf_link_up - check if the VF's link is up 951 * @vf: VF to check if link is up 952 */ 953 bool ice_is_vf_link_up(struct ice_vf *vf) 954 { 955 struct ice_port_info *pi = ice_vf_get_port_info(vf); 956 957 if (ice_check_vf_init(vf)) 958 return false; 959 960 if (ice_vf_has_no_qs_ena(vf)) 961 return false; 962 else if (vf->link_forced) 963 return vf->link_up; 964 else 965 return pi->phy.link_info.link_info & 966 ICE_AQ_LINK_UP; 967 } 968 969 /** 970 * ice_vf_set_host_trust_cfg - set trust setting based on pre-reset value 971 * @vf: VF to configure trust setting for 972 */ 973 static void ice_vf_set_host_trust_cfg(struct ice_vf *vf) 974 { 975 if (vf->trusted) 976 set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 977 else 978 clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 979 } 980 981 /** 982 * ice_vf_rebuild_host_mac_cfg - add broadcast and the VF's perm_addr/LAA 983 * @vf: VF to add MAC filters for 984 * 985 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 986 * always re-adds a broadcast filter and the VF's perm_addr/LAA after reset. 987 */ 988 static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf) 989 { 990 struct device *dev = ice_pf_to_dev(vf->pf); 991 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 992 u8 broadcast[ETH_ALEN]; 993 int status; 994 995 if (WARN_ON(!vsi)) 996 return -EINVAL; 997 998 if (ice_is_eswitch_mode_switchdev(vf->pf)) 999 return 0; 1000 1001 eth_broadcast_addr(broadcast); 1002 status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 1003 if (status) { 1004 dev_err(dev, "failed to add broadcast MAC filter for VF %u, error %d\n", 1005 vf->vf_id, status); 1006 return status; 1007 } 1008 1009 vf->num_mac++; 1010 1011 if (is_valid_ether_addr(vf->hw_lan_addr)) { 1012 status = ice_fltr_add_mac(vsi, vf->hw_lan_addr, 1013 ICE_FWD_TO_VSI); 1014 if (status) { 1015 dev_err(dev, "failed to add default unicast MAC filter %pM for VF %u, error %d\n", 1016 &vf->hw_lan_addr[0], vf->vf_id, 1017 status); 1018 return status; 1019 } 1020 vf->num_mac++; 1021 1022 ether_addr_copy(vf->dev_lan_addr, vf->hw_lan_addr); 1023 } 1024 1025 return 0; 1026 } 1027 1028 /** 1029 * ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN 1030 * @vf: VF to add MAC filters for 1031 * @vsi: Pointer to VSI 1032 * 1033 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 1034 * always re-adds either a VLAN 0 or port VLAN based filter after reset. 1035 */ 1036 static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 1037 { 1038 struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1039 struct device *dev = ice_pf_to_dev(vf->pf); 1040 int err; 1041 1042 if (ice_vf_is_port_vlan_ena(vf)) { 1043 err = vlan_ops->set_port_vlan(vsi, &vf->port_vlan_info); 1044 if (err) { 1045 dev_err(dev, "failed to configure port VLAN via VSI parameters for VF %u, error %d\n", 1046 vf->vf_id, err); 1047 return err; 1048 } 1049 1050 err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); 1051 } else { 1052 err = ice_vsi_add_vlan_zero(vsi); 1053 } 1054 1055 if (err) { 1056 dev_err(dev, "failed to add VLAN %u filter for VF %u during VF rebuild, error %d\n", 1057 ice_vf_is_port_vlan_ena(vf) ? 1058 ice_vf_get_port_vlan_id(vf) : 0, vf->vf_id, err); 1059 return err; 1060 } 1061 1062 err = vlan_ops->ena_rx_filtering(vsi); 1063 if (err) 1064 dev_warn(dev, "failed to enable Rx VLAN filtering for VF %d VSI %d during VF rebuild, error %d\n", 1065 vf->vf_id, vsi->idx, err); 1066 1067 return 0; 1068 } 1069 1070 /** 1071 * ice_vf_rebuild_host_tx_rate_cfg - re-apply the Tx rate limiting configuration 1072 * @vf: VF to re-apply the configuration for 1073 * 1074 * Called after a VF VSI has been re-added/rebuild during reset. The PF driver 1075 * needs to re-apply the host configured Tx rate limiting configuration. 1076 */ 1077 static int ice_vf_rebuild_host_tx_rate_cfg(struct ice_vf *vf) 1078 { 1079 struct device *dev = ice_pf_to_dev(vf->pf); 1080 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1081 int err; 1082 1083 if (WARN_ON(!vsi)) 1084 return -EINVAL; 1085 1086 if (vf->min_tx_rate) { 1087 err = ice_set_min_bw_limit(vsi, (u64)vf->min_tx_rate * 1000); 1088 if (err) { 1089 dev_err(dev, "failed to set min Tx rate to %d Mbps for VF %u, error %d\n", 1090 vf->min_tx_rate, vf->vf_id, err); 1091 return err; 1092 } 1093 } 1094 1095 if (vf->max_tx_rate) { 1096 err = ice_set_max_bw_limit(vsi, (u64)vf->max_tx_rate * 1000); 1097 if (err) { 1098 dev_err(dev, "failed to set max Tx rate to %d Mbps for VF %u, error %d\n", 1099 vf->max_tx_rate, vf->vf_id, err); 1100 return err; 1101 } 1102 } 1103 1104 return 0; 1105 } 1106 1107 /** 1108 * ice_vf_rebuild_aggregator_node_cfg - rebuild aggregator node config 1109 * @vsi: Pointer to VSI 1110 * 1111 * This function moves VSI into corresponding scheduler aggregator node 1112 * based on cached value of "aggregator node info" per VSI 1113 */ 1114 static void ice_vf_rebuild_aggregator_node_cfg(struct ice_vsi *vsi) 1115 { 1116 struct ice_pf *pf = vsi->back; 1117 struct device *dev; 1118 int status; 1119 1120 if (!vsi->agg_node) 1121 return; 1122 1123 dev = ice_pf_to_dev(pf); 1124 if (vsi->agg_node->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) { 1125 dev_dbg(dev, 1126 "agg_id %u already has reached max_num_vsis %u\n", 1127 vsi->agg_node->agg_id, vsi->agg_node->num_vsis); 1128 return; 1129 } 1130 1131 status = ice_move_vsi_to_agg(pf->hw.port_info, vsi->agg_node->agg_id, 1132 vsi->idx, vsi->tc_cfg.ena_tc); 1133 if (status) 1134 dev_dbg(dev, "unable to move VSI idx %u into aggregator %u node", 1135 vsi->idx, vsi->agg_node->agg_id); 1136 else 1137 vsi->agg_node->num_vsis++; 1138 } 1139 1140 /** 1141 * ice_vf_rebuild_host_cfg - host admin configuration is persistent across reset 1142 * @vf: VF to rebuild host configuration on 1143 */ 1144 void ice_vf_rebuild_host_cfg(struct ice_vf *vf) 1145 { 1146 struct device *dev = ice_pf_to_dev(vf->pf); 1147 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1148 1149 if (WARN_ON(!vsi)) 1150 return; 1151 1152 ice_vf_set_host_trust_cfg(vf); 1153 1154 if (ice_vf_rebuild_host_mac_cfg(vf)) 1155 dev_err(dev, "failed to rebuild default MAC configuration for VF %d\n", 1156 vf->vf_id); 1157 1158 if (ice_vf_rebuild_host_vlan_cfg(vf, vsi)) 1159 dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n", 1160 vf->vf_id); 1161 1162 if (ice_vf_rebuild_host_tx_rate_cfg(vf)) 1163 dev_err(dev, "failed to rebuild Tx rate limiting configuration for VF %u\n", 1164 vf->vf_id); 1165 1166 if (ice_vsi_apply_spoofchk(vsi, vf->spoofchk)) 1167 dev_err(dev, "failed to rebuild spoofchk configuration for VF %d\n", 1168 vf->vf_id); 1169 1170 /* rebuild aggregator node config for main VF VSI */ 1171 ice_vf_rebuild_aggregator_node_cfg(vsi); 1172 } 1173 1174 /** 1175 * ice_vf_ctrl_invalidate_vsi - invalidate ctrl_vsi_idx to remove VSI access 1176 * @vf: VF that control VSI is being invalidated on 1177 */ 1178 void ice_vf_ctrl_invalidate_vsi(struct ice_vf *vf) 1179 { 1180 vf->ctrl_vsi_idx = ICE_NO_VSI; 1181 } 1182 1183 /** 1184 * ice_vf_ctrl_vsi_release - invalidate the VF's control VSI after freeing it 1185 * @vf: VF that control VSI is being released on 1186 */ 1187 void ice_vf_ctrl_vsi_release(struct ice_vf *vf) 1188 { 1189 ice_vsi_release(vf->pf->vsi[vf->ctrl_vsi_idx]); 1190 ice_vf_ctrl_invalidate_vsi(vf); 1191 } 1192 1193 /** 1194 * ice_vf_ctrl_vsi_setup - Set up a VF control VSI 1195 * @vf: VF to setup control VSI for 1196 * 1197 * Returns pointer to the successfully allocated VSI struct on success, 1198 * otherwise returns NULL on failure. 1199 */ 1200 struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf) 1201 { 1202 struct ice_vsi_cfg_params params = {}; 1203 struct ice_pf *pf = vf->pf; 1204 struct ice_vsi *vsi; 1205 1206 params.type = ICE_VSI_CTRL; 1207 params.pi = ice_vf_get_port_info(vf); 1208 params.vf = vf; 1209 params.flags = ICE_VSI_FLAG_INIT; 1210 1211 vsi = ice_vsi_setup(pf, ¶ms); 1212 if (!vsi) { 1213 dev_err(ice_pf_to_dev(pf), "Failed to create VF control VSI\n"); 1214 ice_vf_ctrl_invalidate_vsi(vf); 1215 } 1216 1217 return vsi; 1218 } 1219 1220 /** 1221 * ice_vf_init_host_cfg - Initialize host admin configuration 1222 * @vf: VF to initialize 1223 * @vsi: the VSI created at initialization 1224 * 1225 * Initialize the VF host configuration. Called during VF creation to setup 1226 * VLAN 0, add the VF VSI broadcast filter, and setup spoof checking. It 1227 * should only be called during VF creation. 1228 */ 1229 int ice_vf_init_host_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 1230 { 1231 struct ice_vsi_vlan_ops *vlan_ops; 1232 struct ice_pf *pf = vf->pf; 1233 u8 broadcast[ETH_ALEN]; 1234 struct device *dev; 1235 int err; 1236 1237 dev = ice_pf_to_dev(pf); 1238 1239 err = ice_vsi_add_vlan_zero(vsi); 1240 if (err) { 1241 dev_warn(dev, "Failed to add VLAN 0 filter for VF %d\n", 1242 vf->vf_id); 1243 return err; 1244 } 1245 1246 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1247 err = vlan_ops->ena_rx_filtering(vsi); 1248 if (err) { 1249 dev_warn(dev, "Failed to enable Rx VLAN filtering for VF %d\n", 1250 vf->vf_id); 1251 return err; 1252 } 1253 1254 eth_broadcast_addr(broadcast); 1255 err = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 1256 if (err) { 1257 dev_err(dev, "Failed to add broadcast MAC filter for VF %d, status %d\n", 1258 vf->vf_id, err); 1259 return err; 1260 } 1261 1262 vf->num_mac = 1; 1263 1264 err = ice_vsi_apply_spoofchk(vsi, vf->spoofchk); 1265 if (err) { 1266 dev_warn(dev, "Failed to initialize spoofchk setting for VF %d\n", 1267 vf->vf_id); 1268 return err; 1269 } 1270 1271 return 0; 1272 } 1273 1274 /** 1275 * ice_vf_invalidate_vsi - invalidate vsi_idx/vsi_num to remove VSI access 1276 * @vf: VF to remove access to VSI for 1277 */ 1278 void ice_vf_invalidate_vsi(struct ice_vf *vf) 1279 { 1280 vf->lan_vsi_idx = ICE_NO_VSI; 1281 vf->lan_vsi_num = ICE_NO_VSI; 1282 } 1283 1284 /** 1285 * ice_vf_vsi_release - Release the VF VSI and invalidate indexes 1286 * @vf: pointer to the VF structure 1287 * 1288 * Release the VF associated with this VSI and then invalidate the VSI 1289 * indexes. 1290 */ 1291 void ice_vf_vsi_release(struct ice_vf *vf) 1292 { 1293 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1294 1295 if (WARN_ON(!vsi)) 1296 return; 1297 1298 ice_vsi_release(vsi); 1299 ice_vf_invalidate_vsi(vf); 1300 } 1301 1302 /** 1303 * ice_vf_set_initialized - VF is ready for VIRTCHNL communication 1304 * @vf: VF to set in initialized state 1305 * 1306 * After this function the VF will be ready to receive/handle the 1307 * VIRTCHNL_OP_GET_VF_RESOURCES message 1308 */ 1309 void ice_vf_set_initialized(struct ice_vf *vf) 1310 { 1311 ice_set_vf_state_qs_dis(vf); 1312 clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); 1313 clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); 1314 clear_bit(ICE_VF_STATE_DIS, vf->vf_states); 1315 set_bit(ICE_VF_STATE_INIT, vf->vf_states); 1316 memset(&vf->vlan_v2_caps, 0, sizeof(vf->vlan_v2_caps)); 1317 } 1318