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 ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs, 500 ICE_MAX_SRIOV_VFS, vf->vf_id); 501 502 /* If VFs have been disabled, there is no need to reset */ 503 if (test_and_set_bit(ICE_VF_DIS, pf->state)) { 504 mutex_unlock(&pf->vfs.table_lock); 505 return; 506 } 507 508 /* Begin reset on all VFs at once */ 509 ice_for_each_vf(pf, bkt, vf) 510 ice_trigger_vf_reset(vf, true, true); 511 512 /* HW requires some time to make sure it can flush the FIFO for a VF 513 * when it resets it. Now that we've triggered all of the VFs, iterate 514 * the table again and wait for each VF to complete. 515 */ 516 ice_for_each_vf(pf, bkt, vf) { 517 if (!vf->vf_ops->poll_reset_status(vf)) { 518 /* Display a warning if at least one VF didn't manage 519 * to reset in time, but continue on with the 520 * operation. 521 */ 522 dev_warn(dev, "VF %u reset check timeout\n", vf->vf_id); 523 break; 524 } 525 } 526 527 /* free VF resources to begin resetting the VSI state */ 528 ice_for_each_vf(pf, bkt, vf) { 529 mutex_lock(&vf->cfg_lock); 530 531 vf->driver_caps = 0; 532 ice_vc_set_default_allowlist(vf); 533 534 ice_vf_fdir_exit(vf); 535 ice_vf_fdir_init(vf); 536 /* clean VF control VSI when resetting VFs since it should be 537 * setup only when VF creates its first FDIR rule. 538 */ 539 if (vf->ctrl_vsi_idx != ICE_NO_VSI) 540 ice_vf_ctrl_invalidate_vsi(vf); 541 542 ice_vf_pre_vsi_rebuild(vf); 543 ice_vf_rebuild_vsi(vf); 544 ice_vf_post_vsi_rebuild(vf); 545 546 mutex_unlock(&vf->cfg_lock); 547 } 548 549 if (ice_is_eswitch_mode_switchdev(pf)) 550 if (ice_eswitch_rebuild(pf)) 551 dev_warn(dev, "eswitch rebuild failed\n"); 552 553 ice_flush(hw); 554 clear_bit(ICE_VF_DIS, pf->state); 555 556 mutex_unlock(&pf->vfs.table_lock); 557 } 558 559 /** 560 * ice_notify_vf_reset - Notify VF of a reset event 561 * @vf: pointer to the VF structure 562 */ 563 static void ice_notify_vf_reset(struct ice_vf *vf) 564 { 565 struct ice_hw *hw = &vf->pf->hw; 566 struct virtchnl_pf_event pfe; 567 568 /* Bail out if VF is in disabled state, neither initialized, nor active 569 * state - otherwise proceed with notifications 570 */ 571 if ((!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && 572 !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) || 573 test_bit(ICE_VF_STATE_DIS, vf->vf_states)) 574 return; 575 576 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; 577 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; 578 ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, 579 VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe), 580 NULL); 581 } 582 583 /** 584 * ice_reset_vf - Reset a particular VF 585 * @vf: pointer to the VF structure 586 * @flags: flags controlling behavior of the reset 587 * 588 * Flags: 589 * ICE_VF_RESET_VFLR - Indicates a reset is due to VFLR event 590 * ICE_VF_RESET_NOTIFY - Send VF a notification prior to reset 591 * ICE_VF_RESET_LOCK - Acquire VF cfg_lock before resetting 592 * 593 * Returns 0 if the VF is currently in reset, if resets are disabled, or if 594 * the VF resets successfully. Returns an error code if the VF fails to 595 * rebuild. 596 */ 597 int ice_reset_vf(struct ice_vf *vf, u32 flags) 598 { 599 struct ice_pf *pf = vf->pf; 600 struct ice_vsi *vsi; 601 struct device *dev; 602 struct ice_hw *hw; 603 int err = 0; 604 bool rsd; 605 606 dev = ice_pf_to_dev(pf); 607 hw = &pf->hw; 608 609 if (flags & ICE_VF_RESET_NOTIFY) 610 ice_notify_vf_reset(vf); 611 612 if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) { 613 dev_dbg(dev, "Trying to reset VF %d, but all VF resets are disabled\n", 614 vf->vf_id); 615 return 0; 616 } 617 618 if (ice_is_vf_disabled(vf)) { 619 vsi = ice_get_vf_vsi(vf); 620 if (!vsi) { 621 dev_dbg(dev, "VF is already removed\n"); 622 return -EINVAL; 623 } 624 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 625 626 if (ice_vsi_is_rx_queue_active(vsi)) 627 ice_vsi_stop_all_rx_rings(vsi); 628 629 dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n", 630 vf->vf_id); 631 return 0; 632 } 633 634 if (flags & ICE_VF_RESET_LOCK) 635 mutex_lock(&vf->cfg_lock); 636 else 637 lockdep_assert_held(&vf->cfg_lock); 638 639 /* Set VF disable bit state here, before triggering reset */ 640 set_bit(ICE_VF_STATE_DIS, vf->vf_states); 641 ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false); 642 643 vsi = ice_get_vf_vsi(vf); 644 if (WARN_ON(!vsi)) { 645 err = -EIO; 646 goto out_unlock; 647 } 648 649 ice_dis_vf_qs(vf); 650 651 /* Call Disable LAN Tx queue AQ whether or not queues are 652 * enabled. This is needed for successful completion of VFR. 653 */ 654 ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL, 655 NULL, vf->vf_ops->reset_type, vf->vf_id, NULL); 656 657 /* poll VPGEN_VFRSTAT reg to make sure 658 * that reset is complete 659 */ 660 rsd = vf->vf_ops->poll_reset_status(vf); 661 662 /* Display a warning if VF didn't manage to reset in time, but need to 663 * continue on with the operation. 664 */ 665 if (!rsd) 666 dev_warn(dev, "VF reset check timeout on VF %d\n", vf->vf_id); 667 668 vf->driver_caps = 0; 669 ice_vc_set_default_allowlist(vf); 670 671 /* disable promiscuous modes in case they were enabled 672 * ignore any error if disabling process failed 673 */ 674 ice_vf_clear_all_promisc_modes(vf, vsi); 675 676 ice_eswitch_del_vf_mac_rule(vf); 677 678 ice_vf_fdir_exit(vf); 679 ice_vf_fdir_init(vf); 680 /* clean VF control VSI when resetting VF since it should be setup 681 * only when VF creates its first FDIR rule. 682 */ 683 if (vf->ctrl_vsi_idx != ICE_NO_VSI) 684 ice_vf_ctrl_vsi_release(vf); 685 686 ice_vf_pre_vsi_rebuild(vf); 687 688 if (ice_vf_recreate_vsi(vf)) { 689 dev_err(dev, "Failed to release and setup the VF%u's VSI\n", 690 vf->vf_id); 691 err = -EFAULT; 692 goto out_unlock; 693 } 694 695 ice_vf_post_vsi_rebuild(vf); 696 vsi = ice_get_vf_vsi(vf); 697 if (WARN_ON(!vsi)) { 698 err = -EINVAL; 699 goto out_unlock; 700 } 701 702 ice_eswitch_update_repr(vsi); 703 ice_eswitch_replay_vf_mac_rule(vf); 704 705 /* if the VF has been reset allow it to come up again */ 706 ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs, 707 ICE_MAX_SRIOV_VFS, vf->vf_id); 708 709 out_unlock: 710 if (flags & ICE_VF_RESET_LOCK) 711 mutex_unlock(&vf->cfg_lock); 712 713 return err; 714 } 715 716 /** 717 * ice_set_vf_state_qs_dis - Set VF queues state to disabled 718 * @vf: pointer to the VF structure 719 */ 720 static void ice_set_vf_state_qs_dis(struct ice_vf *vf) 721 { 722 /* Clear Rx/Tx enabled queues flag */ 723 bitmap_zero(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF); 724 bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF); 725 clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); 726 } 727 728 /** 729 * ice_set_vf_state_dis - Set VF state to disabled 730 * @vf: pointer to the VF structure 731 */ 732 void ice_set_vf_state_dis(struct ice_vf *vf) 733 { 734 ice_set_vf_state_qs_dis(vf); 735 vf->vf_ops->clear_reset_state(vf); 736 } 737 738 /* Private functions only accessed from other virtualization files */ 739 740 /** 741 * ice_initialize_vf_entry - Initialize a VF entry 742 * @vf: pointer to the VF structure 743 */ 744 void ice_initialize_vf_entry(struct ice_vf *vf) 745 { 746 struct ice_pf *pf = vf->pf; 747 struct ice_vfs *vfs; 748 749 vfs = &pf->vfs; 750 751 /* assign default capabilities */ 752 vf->spoofchk = true; 753 vf->num_vf_qs = vfs->num_qps_per; 754 ice_vc_set_default_allowlist(vf); 755 ice_virtchnl_set_dflt_ops(vf); 756 757 /* ctrl_vsi_idx will be set to a valid value only when iAVF 758 * creates its first fdir rule. 759 */ 760 ice_vf_ctrl_invalidate_vsi(vf); 761 ice_vf_fdir_init(vf); 762 763 mutex_init(&vf->cfg_lock); 764 } 765 766 /** 767 * ice_dis_vf_qs - Disable the VF queues 768 * @vf: pointer to the VF structure 769 */ 770 void ice_dis_vf_qs(struct ice_vf *vf) 771 { 772 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 773 774 if (WARN_ON(!vsi)) 775 return; 776 777 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 778 ice_vsi_stop_all_rx_rings(vsi); 779 ice_set_vf_state_qs_dis(vf); 780 } 781 782 /** 783 * ice_err_to_virt_err - translate errors for VF return code 784 * @err: error return code 785 */ 786 enum virtchnl_status_code ice_err_to_virt_err(int err) 787 { 788 switch (err) { 789 case 0: 790 return VIRTCHNL_STATUS_SUCCESS; 791 case -EINVAL: 792 case -ENODEV: 793 return VIRTCHNL_STATUS_ERR_PARAM; 794 case -ENOMEM: 795 return VIRTCHNL_STATUS_ERR_NO_MEMORY; 796 case -EALREADY: 797 case -EBUSY: 798 case -EIO: 799 case -ENOSPC: 800 return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 801 default: 802 return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; 803 } 804 } 805 806 /** 807 * ice_check_vf_init - helper to check if VF init complete 808 * @vf: the pointer to the VF to check 809 */ 810 int ice_check_vf_init(struct ice_vf *vf) 811 { 812 struct ice_pf *pf = vf->pf; 813 814 if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) { 815 dev_err(ice_pf_to_dev(pf), "VF ID: %u in reset. Try again.\n", 816 vf->vf_id); 817 return -EBUSY; 818 } 819 return 0; 820 } 821 822 /** 823 * ice_vf_get_port_info - Get the VF's port info structure 824 * @vf: VF used to get the port info structure for 825 */ 826 struct ice_port_info *ice_vf_get_port_info(struct ice_vf *vf) 827 { 828 return vf->pf->hw.port_info; 829 } 830 831 /** 832 * ice_cfg_mac_antispoof - Configure MAC antispoof checking behavior 833 * @vsi: the VSI to configure 834 * @enable: whether to enable or disable the spoof checking 835 * 836 * Configure a VSI to enable (or disable) spoof checking behavior. 837 */ 838 static int ice_cfg_mac_antispoof(struct ice_vsi *vsi, bool enable) 839 { 840 struct ice_vsi_ctx *ctx; 841 int err; 842 843 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 844 if (!ctx) 845 return -ENOMEM; 846 847 ctx->info.sec_flags = vsi->info.sec_flags; 848 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 849 850 if (enable) 851 ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 852 else 853 ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 854 855 err = ice_update_vsi(&vsi->back->hw, vsi->idx, ctx, NULL); 856 if (err) 857 dev_err(ice_pf_to_dev(vsi->back), "Failed to configure Tx MAC anti-spoof %s for VSI %d, error %d\n", 858 enable ? "ON" : "OFF", vsi->vsi_num, err); 859 else 860 vsi->info.sec_flags = ctx->info.sec_flags; 861 862 kfree(ctx); 863 864 return err; 865 } 866 867 /** 868 * ice_vsi_ena_spoofchk - enable Tx spoof checking for this VSI 869 * @vsi: VSI to enable Tx spoof checking for 870 */ 871 static int ice_vsi_ena_spoofchk(struct ice_vsi *vsi) 872 { 873 struct ice_vsi_vlan_ops *vlan_ops; 874 int err = 0; 875 876 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 877 878 /* Allow VF with VLAN 0 only to send all tagged traffic */ 879 if (vsi->type != ICE_VSI_VF || ice_vsi_has_non_zero_vlans(vsi)) { 880 err = vlan_ops->ena_tx_filtering(vsi); 881 if (err) 882 return err; 883 } 884 885 return ice_cfg_mac_antispoof(vsi, true); 886 } 887 888 /** 889 * ice_vsi_dis_spoofchk - disable Tx spoof checking for this VSI 890 * @vsi: VSI to disable Tx spoof checking for 891 */ 892 static int ice_vsi_dis_spoofchk(struct ice_vsi *vsi) 893 { 894 struct ice_vsi_vlan_ops *vlan_ops; 895 int err; 896 897 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 898 899 err = vlan_ops->dis_tx_filtering(vsi); 900 if (err) 901 return err; 902 903 return ice_cfg_mac_antispoof(vsi, false); 904 } 905 906 /** 907 * ice_vsi_apply_spoofchk - Apply Tx spoof checking setting to a VSI 908 * @vsi: VSI associated to the VF 909 * @enable: whether to enable or disable the spoof checking 910 */ 911 int ice_vsi_apply_spoofchk(struct ice_vsi *vsi, bool enable) 912 { 913 int err; 914 915 if (enable) 916 err = ice_vsi_ena_spoofchk(vsi); 917 else 918 err = ice_vsi_dis_spoofchk(vsi); 919 920 return err; 921 } 922 923 /** 924 * ice_is_vf_trusted 925 * @vf: pointer to the VF info 926 */ 927 bool ice_is_vf_trusted(struct ice_vf *vf) 928 { 929 return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 930 } 931 932 /** 933 * ice_vf_has_no_qs_ena - check if the VF has any Rx or Tx queues enabled 934 * @vf: the VF to check 935 * 936 * Returns true if the VF has no Rx and no Tx queues enabled and returns false 937 * otherwise 938 */ 939 bool ice_vf_has_no_qs_ena(struct ice_vf *vf) 940 { 941 return (!bitmap_weight(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF) && 942 !bitmap_weight(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF)); 943 } 944 945 /** 946 * ice_is_vf_link_up - check if the VF's link is up 947 * @vf: VF to check if link is up 948 */ 949 bool ice_is_vf_link_up(struct ice_vf *vf) 950 { 951 struct ice_port_info *pi = ice_vf_get_port_info(vf); 952 953 if (ice_check_vf_init(vf)) 954 return false; 955 956 if (ice_vf_has_no_qs_ena(vf)) 957 return false; 958 else if (vf->link_forced) 959 return vf->link_up; 960 else 961 return pi->phy.link_info.link_info & 962 ICE_AQ_LINK_UP; 963 } 964 965 /** 966 * ice_vf_set_host_trust_cfg - set trust setting based on pre-reset value 967 * @vf: VF to configure trust setting for 968 */ 969 static void ice_vf_set_host_trust_cfg(struct ice_vf *vf) 970 { 971 if (vf->trusted) 972 set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 973 else 974 clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 975 } 976 977 /** 978 * ice_vf_rebuild_host_mac_cfg - add broadcast and the VF's perm_addr/LAA 979 * @vf: VF to add MAC filters for 980 * 981 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 982 * always re-adds a broadcast filter and the VF's perm_addr/LAA after reset. 983 */ 984 static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf) 985 { 986 struct device *dev = ice_pf_to_dev(vf->pf); 987 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 988 u8 broadcast[ETH_ALEN]; 989 int status; 990 991 if (WARN_ON(!vsi)) 992 return -EINVAL; 993 994 if (ice_is_eswitch_mode_switchdev(vf->pf)) 995 return 0; 996 997 eth_broadcast_addr(broadcast); 998 status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 999 if (status) { 1000 dev_err(dev, "failed to add broadcast MAC filter for VF %u, error %d\n", 1001 vf->vf_id, status); 1002 return status; 1003 } 1004 1005 vf->num_mac++; 1006 1007 if (is_valid_ether_addr(vf->hw_lan_addr)) { 1008 status = ice_fltr_add_mac(vsi, vf->hw_lan_addr, 1009 ICE_FWD_TO_VSI); 1010 if (status) { 1011 dev_err(dev, "failed to add default unicast MAC filter %pM for VF %u, error %d\n", 1012 &vf->hw_lan_addr[0], vf->vf_id, 1013 status); 1014 return status; 1015 } 1016 vf->num_mac++; 1017 1018 ether_addr_copy(vf->dev_lan_addr, vf->hw_lan_addr); 1019 } 1020 1021 return 0; 1022 } 1023 1024 /** 1025 * ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN 1026 * @vf: VF to add MAC filters for 1027 * @vsi: Pointer to VSI 1028 * 1029 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 1030 * always re-adds either a VLAN 0 or port VLAN based filter after reset. 1031 */ 1032 static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 1033 { 1034 struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1035 struct device *dev = ice_pf_to_dev(vf->pf); 1036 int err; 1037 1038 if (ice_vf_is_port_vlan_ena(vf)) { 1039 err = vlan_ops->set_port_vlan(vsi, &vf->port_vlan_info); 1040 if (err) { 1041 dev_err(dev, "failed to configure port VLAN via VSI parameters for VF %u, error %d\n", 1042 vf->vf_id, err); 1043 return err; 1044 } 1045 1046 err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); 1047 } else { 1048 err = ice_vsi_add_vlan_zero(vsi); 1049 } 1050 1051 if (err) { 1052 dev_err(dev, "failed to add VLAN %u filter for VF %u during VF rebuild, error %d\n", 1053 ice_vf_is_port_vlan_ena(vf) ? 1054 ice_vf_get_port_vlan_id(vf) : 0, vf->vf_id, err); 1055 return err; 1056 } 1057 1058 err = vlan_ops->ena_rx_filtering(vsi); 1059 if (err) 1060 dev_warn(dev, "failed to enable Rx VLAN filtering for VF %d VSI %d during VF rebuild, error %d\n", 1061 vf->vf_id, vsi->idx, err); 1062 1063 return 0; 1064 } 1065 1066 /** 1067 * ice_vf_rebuild_host_tx_rate_cfg - re-apply the Tx rate limiting configuration 1068 * @vf: VF to re-apply the configuration for 1069 * 1070 * Called after a VF VSI has been re-added/rebuild during reset. The PF driver 1071 * needs to re-apply the host configured Tx rate limiting configuration. 1072 */ 1073 static int ice_vf_rebuild_host_tx_rate_cfg(struct ice_vf *vf) 1074 { 1075 struct device *dev = ice_pf_to_dev(vf->pf); 1076 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1077 int err; 1078 1079 if (WARN_ON(!vsi)) 1080 return -EINVAL; 1081 1082 if (vf->min_tx_rate) { 1083 err = ice_set_min_bw_limit(vsi, (u64)vf->min_tx_rate * 1000); 1084 if (err) { 1085 dev_err(dev, "failed to set min Tx rate to %d Mbps for VF %u, error %d\n", 1086 vf->min_tx_rate, vf->vf_id, err); 1087 return err; 1088 } 1089 } 1090 1091 if (vf->max_tx_rate) { 1092 err = ice_set_max_bw_limit(vsi, (u64)vf->max_tx_rate * 1000); 1093 if (err) { 1094 dev_err(dev, "failed to set max Tx rate to %d Mbps for VF %u, error %d\n", 1095 vf->max_tx_rate, vf->vf_id, err); 1096 return err; 1097 } 1098 } 1099 1100 return 0; 1101 } 1102 1103 /** 1104 * ice_vf_rebuild_aggregator_node_cfg - rebuild aggregator node config 1105 * @vsi: Pointer to VSI 1106 * 1107 * This function moves VSI into corresponding scheduler aggregator node 1108 * based on cached value of "aggregator node info" per VSI 1109 */ 1110 static void ice_vf_rebuild_aggregator_node_cfg(struct ice_vsi *vsi) 1111 { 1112 struct ice_pf *pf = vsi->back; 1113 struct device *dev; 1114 int status; 1115 1116 if (!vsi->agg_node) 1117 return; 1118 1119 dev = ice_pf_to_dev(pf); 1120 if (vsi->agg_node->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) { 1121 dev_dbg(dev, 1122 "agg_id %u already has reached max_num_vsis %u\n", 1123 vsi->agg_node->agg_id, vsi->agg_node->num_vsis); 1124 return; 1125 } 1126 1127 status = ice_move_vsi_to_agg(pf->hw.port_info, vsi->agg_node->agg_id, 1128 vsi->idx, vsi->tc_cfg.ena_tc); 1129 if (status) 1130 dev_dbg(dev, "unable to move VSI idx %u into aggregator %u node", 1131 vsi->idx, vsi->agg_node->agg_id); 1132 else 1133 vsi->agg_node->num_vsis++; 1134 } 1135 1136 /** 1137 * ice_vf_rebuild_host_cfg - host admin configuration is persistent across reset 1138 * @vf: VF to rebuild host configuration on 1139 */ 1140 void ice_vf_rebuild_host_cfg(struct ice_vf *vf) 1141 { 1142 struct device *dev = ice_pf_to_dev(vf->pf); 1143 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1144 1145 if (WARN_ON(!vsi)) 1146 return; 1147 1148 ice_vf_set_host_trust_cfg(vf); 1149 1150 if (ice_vf_rebuild_host_mac_cfg(vf)) 1151 dev_err(dev, "failed to rebuild default MAC configuration for VF %d\n", 1152 vf->vf_id); 1153 1154 if (ice_vf_rebuild_host_vlan_cfg(vf, vsi)) 1155 dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n", 1156 vf->vf_id); 1157 1158 if (ice_vf_rebuild_host_tx_rate_cfg(vf)) 1159 dev_err(dev, "failed to rebuild Tx rate limiting configuration for VF %u\n", 1160 vf->vf_id); 1161 1162 if (ice_vsi_apply_spoofchk(vsi, vf->spoofchk)) 1163 dev_err(dev, "failed to rebuild spoofchk configuration for VF %d\n", 1164 vf->vf_id); 1165 1166 /* rebuild aggregator node config for main VF VSI */ 1167 ice_vf_rebuild_aggregator_node_cfg(vsi); 1168 } 1169 1170 /** 1171 * ice_vf_ctrl_invalidate_vsi - invalidate ctrl_vsi_idx to remove VSI access 1172 * @vf: VF that control VSI is being invalidated on 1173 */ 1174 void ice_vf_ctrl_invalidate_vsi(struct ice_vf *vf) 1175 { 1176 vf->ctrl_vsi_idx = ICE_NO_VSI; 1177 } 1178 1179 /** 1180 * ice_vf_ctrl_vsi_release - invalidate the VF's control VSI after freeing it 1181 * @vf: VF that control VSI is being released on 1182 */ 1183 void ice_vf_ctrl_vsi_release(struct ice_vf *vf) 1184 { 1185 ice_vsi_release(vf->pf->vsi[vf->ctrl_vsi_idx]); 1186 ice_vf_ctrl_invalidate_vsi(vf); 1187 } 1188 1189 /** 1190 * ice_vf_ctrl_vsi_setup - Set up a VF control VSI 1191 * @vf: VF to setup control VSI for 1192 * 1193 * Returns pointer to the successfully allocated VSI struct on success, 1194 * otherwise returns NULL on failure. 1195 */ 1196 struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf) 1197 { 1198 struct ice_vsi_cfg_params params = {}; 1199 struct ice_pf *pf = vf->pf; 1200 struct ice_vsi *vsi; 1201 1202 params.type = ICE_VSI_CTRL; 1203 params.pi = ice_vf_get_port_info(vf); 1204 params.vf = vf; 1205 params.flags = ICE_VSI_FLAG_INIT; 1206 1207 vsi = ice_vsi_setup(pf, ¶ms); 1208 if (!vsi) { 1209 dev_err(ice_pf_to_dev(pf), "Failed to create VF control VSI\n"); 1210 ice_vf_ctrl_invalidate_vsi(vf); 1211 } 1212 1213 return vsi; 1214 } 1215 1216 /** 1217 * ice_vf_init_host_cfg - Initialize host admin configuration 1218 * @vf: VF to initialize 1219 * @vsi: the VSI created at initialization 1220 * 1221 * Initialize the VF host configuration. Called during VF creation to setup 1222 * VLAN 0, add the VF VSI broadcast filter, and setup spoof checking. It 1223 * should only be called during VF creation. 1224 */ 1225 int ice_vf_init_host_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 1226 { 1227 struct ice_vsi_vlan_ops *vlan_ops; 1228 struct ice_pf *pf = vf->pf; 1229 u8 broadcast[ETH_ALEN]; 1230 struct device *dev; 1231 int err; 1232 1233 dev = ice_pf_to_dev(pf); 1234 1235 err = ice_vsi_add_vlan_zero(vsi); 1236 if (err) { 1237 dev_warn(dev, "Failed to add VLAN 0 filter for VF %d\n", 1238 vf->vf_id); 1239 return err; 1240 } 1241 1242 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1243 err = vlan_ops->ena_rx_filtering(vsi); 1244 if (err) { 1245 dev_warn(dev, "Failed to enable Rx VLAN filtering for VF %d\n", 1246 vf->vf_id); 1247 return err; 1248 } 1249 1250 eth_broadcast_addr(broadcast); 1251 err = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 1252 if (err) { 1253 dev_err(dev, "Failed to add broadcast MAC filter for VF %d, status %d\n", 1254 vf->vf_id, err); 1255 return err; 1256 } 1257 1258 vf->num_mac = 1; 1259 1260 err = ice_vsi_apply_spoofchk(vsi, vf->spoofchk); 1261 if (err) { 1262 dev_warn(dev, "Failed to initialize spoofchk setting for VF %d\n", 1263 vf->vf_id); 1264 return err; 1265 } 1266 1267 return 0; 1268 } 1269 1270 /** 1271 * ice_vf_invalidate_vsi - invalidate vsi_idx/vsi_num to remove VSI access 1272 * @vf: VF to remove access to VSI for 1273 */ 1274 void ice_vf_invalidate_vsi(struct ice_vf *vf) 1275 { 1276 vf->lan_vsi_idx = ICE_NO_VSI; 1277 vf->lan_vsi_num = ICE_NO_VSI; 1278 } 1279 1280 /** 1281 * ice_vf_vsi_release - Release the VF VSI and invalidate indexes 1282 * @vf: pointer to the VF structure 1283 * 1284 * Release the VF associated with this VSI and then invalidate the VSI 1285 * indexes. 1286 */ 1287 void ice_vf_vsi_release(struct ice_vf *vf) 1288 { 1289 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1290 1291 if (WARN_ON(!vsi)) 1292 return; 1293 1294 ice_vsi_release(vsi); 1295 ice_vf_invalidate_vsi(vf); 1296 } 1297 1298 /** 1299 * ice_vf_set_initialized - VF is ready for VIRTCHNL communication 1300 * @vf: VF to set in initialized state 1301 * 1302 * After this function the VF will be ready to receive/handle the 1303 * VIRTCHNL_OP_GET_VF_RESOURCES message 1304 */ 1305 void ice_vf_set_initialized(struct ice_vf *vf) 1306 { 1307 ice_set_vf_state_qs_dis(vf); 1308 clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); 1309 clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); 1310 clear_bit(ICE_VF_STATE_DIS, vf->vf_states); 1311 set_bit(ICE_VF_STATE_INIT, vf->vf_states); 1312 memset(&vf->vlan_v2_caps, 0, sizeof(vf->vlan_v2_caps)); 1313 } 1314