1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2022, Intel Corporation. */
4 #include "ice_vf_lib_private.h"
8 #include "ice_virtchnl_allowlist.h"
10 /* Public functions which may be accessed by all driver files */
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
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
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
25 struct ice_vf *ice_get_vf_by_id(struct ice_pf *pf, u16 vf_id)
30 hash_for_each_possible_rcu(pf->vfs.table, vf, entry, vf_id) {
31 if (vf->vf_id == vf_id) {
34 if (kref_get_unless_zero(&vf->refcnt))
49 * ice_release_vf - Release VF associated with a refcount
50 * @ref: the kref decremented to zero
52 * Callback function for kref_put to release a VF once its reference count has
55 static void ice_release_vf(struct kref *ref)
57 struct ice_vf *vf = container_of(ref, struct ice_vf, refcnt);
63 * ice_put_vf - Release a reference to a VF
64 * @vf: the VF structure to decrease reference count on
66 * Decrease the reference count for a VF, and free the entry if it is no
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
73 void ice_put_vf(struct ice_vf *vf)
75 kref_put(&vf->refcnt, ice_release_vf);
79 * ice_has_vfs - Return true if the PF has any associated VFs
80 * @pf: the PF private structure
82 * Return whether or not the PF has any allocated VFs.
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.
87 bool ice_has_vfs(struct ice_pf *pf)
89 /* A simple check that the hash table is not empty does not require
90 * the mutex or rcu_read_lock.
92 return !hash_empty(pf->vfs.table);
96 * ice_get_num_vfs - Get number of allocated VFs
97 * @pf: the PF private structure
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.
103 u16 ice_get_num_vfs(struct ice_pf *pf)
110 ice_for_each_vf_rcu(pf, bkt, vf)
118 * ice_get_vf_vsi - get VF's VSI based on the stored index
119 * @vf: VF used to get VSI
121 struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf)
123 if (vf->lan_vsi_idx == ICE_NO_VSI)
126 return vf->pf->vsi[vf->lan_vsi_idx];
131 * @vf: pointer to the VF info
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.
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.
141 bool ice_is_vf_disabled(struct ice_vf *vf)
143 struct ice_pf *pf = vf->pf;
145 return (test_bit(ICE_VF_DIS, pf->state) ||
146 test_bit(ICE_VF_STATE_DIS, vf->vf_states));
150 * ice_wait_on_vf_reset - poll to make sure a given VF is ready after reset
151 * @vf: The VF being resseting
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.
156 static void ice_wait_on_vf_reset(struct ice_vf *vf)
160 for (i = 0; i < ICE_MAX_VF_RESET_TRIES; i++) {
161 if (test_bit(ICE_VF_STATE_INIT, vf->vf_states))
163 msleep(ICE_MAX_VF_RESET_SLEEP_MS);
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
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
175 int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
177 ice_wait_on_vf_reset(vf);
179 if (ice_is_vf_disabled(vf))
182 if (ice_check_vf_init(vf))
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
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.
198 static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr)
200 /* Inform VF that it is no longer active, as a warning */
201 clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
203 /* Disable VF's configuration API during reset. The flag is re-enabled
204 * when it's safe again to access VF's VSI.
206 clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
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.
214 vf->vf_ops->clear_mbx_register(vf);
216 vf->vf_ops->trigger_reset_register(vf, is_vflr);
219 static void ice_vf_clear_counters(struct ice_vf *vf)
221 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
227 memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events));
228 memset(&vf->mdd_rx_events, 0, sizeof(vf->mdd_rx_events));
232 * ice_vf_pre_vsi_rebuild - tasks to be done prior to VSI rebuild
233 * @vf: VF to perform pre VSI rebuild tasks
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.
238 static void ice_vf_pre_vsi_rebuild(struct ice_vf *vf)
240 ice_vf_clear_counters(vf);
241 vf->vf_ops->clear_reset_trigger(vf);
245 * ice_vf_rebuild_vsi - rebuild the VF's VSI
246 * @vf: VF to rebuild the VSI for
248 * This is only called when all VF(s) are being reset (i.e. PCIe Reset on the
249 * host, PFR, CORER, etc.).
251 static int ice_vf_rebuild_vsi(struct ice_vf *vf)
253 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
254 struct ice_pf *pf = vf->pf;
259 if (ice_vsi_rebuild(vsi, true)) {
260 dev_err(ice_pf_to_dev(pf), "failed to rebuild VF %d VSI\n",
264 /* vsi->idx will remain the same in this case so don't update
267 vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);
268 vf->lan_vsi_num = vsi->vsi_num;
274 * ice_is_any_vf_in_promisc - check if any VF(s) are in promiscuous mode
275 * @pf: PF structure for accessing VF(s)
277 * Return false if no VF(s) are in unicast and/or multicast promiscuous mode,
280 bool ice_is_any_vf_in_promisc(struct ice_pf *pf)
282 bool is_vf_promisc = false;
287 ice_for_each_vf_rcu(pf, bkt, vf) {
288 /* found a VF that has promiscuous mode configured */
289 if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
290 test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) {
291 is_vf_promisc = true;
297 return is_vf_promisc;
301 * ice_vf_set_vsi_promisc - Enable promiscuous mode for a VF VSI
302 * @vf: the VF to configure
304 * @promisc_m: the promiscuous mode to enable
307 ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m)
309 struct ice_hw *hw = &vsi->back->hw;
312 if (ice_vf_is_port_vlan_ena(vf))
313 status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m,
314 ice_vf_get_port_vlan_id(vf));
315 else if (ice_vsi_has_non_zero_vlans(vsi))
316 status = ice_fltr_set_vlan_vsi_promisc(hw, vsi, promisc_m);
318 status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m, 0);
320 if (status && status != -EEXIST) {
321 dev_err(ice_pf_to_dev(vsi->back), "enable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n",
330 * ice_vf_clear_vsi_promisc - Disable promiscuous mode for a VF VSI
331 * @vf: the VF to configure
333 * @promisc_m: the promiscuous mode to disable
336 ice_vf_clear_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m)
338 struct ice_hw *hw = &vsi->back->hw;
341 if (ice_vf_is_port_vlan_ena(vf))
342 status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m,
343 ice_vf_get_port_vlan_id(vf));
344 else if (ice_vsi_has_non_zero_vlans(vsi))
345 status = ice_fltr_clear_vlan_vsi_promisc(hw, vsi, promisc_m);
347 status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m, 0);
349 if (status && status != -ENOENT) {
350 dev_err(ice_pf_to_dev(vsi->back), "disable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n",
359 * ice_reset_all_vfs - reset all allocated VFs in one go
360 * @pf: pointer to the PF structure
362 * Reset all VFs at once, in response to a PF or other device reset.
364 * First, tell the hardware to reset each VF, then do all the waiting in one
365 * chunk, and finally finish restoring each VF after the wait. This is useful
366 * during PF routines which need to reset all VFs, as otherwise it must perform
367 * these resets in a serialized fashion.
369 void ice_reset_all_vfs(struct ice_pf *pf)
371 struct device *dev = ice_pf_to_dev(pf);
372 struct ice_hw *hw = &pf->hw;
376 /* If we don't have any VFs, then there is nothing to reset */
377 if (!ice_has_vfs(pf))
380 mutex_lock(&pf->vfs.table_lock);
382 /* clear all malicious info if the VFs are getting reset */
383 ice_for_each_vf(pf, bkt, vf)
384 if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs,
385 ICE_MAX_SRIOV_VFS, vf->vf_id))
386 dev_dbg(dev, "failed to clear malicious VF state for VF %u\n",
389 /* If VFs have been disabled, there is no need to reset */
390 if (test_and_set_bit(ICE_VF_DIS, pf->state)) {
391 mutex_unlock(&pf->vfs.table_lock);
395 /* Begin reset on all VFs at once */
396 ice_for_each_vf(pf, bkt, vf)
397 ice_trigger_vf_reset(vf, true, true);
399 /* HW requires some time to make sure it can flush the FIFO for a VF
400 * when it resets it. Now that we've triggered all of the VFs, iterate
401 * the table again and wait for each VF to complete.
403 ice_for_each_vf(pf, bkt, vf) {
404 if (!vf->vf_ops->poll_reset_status(vf)) {
405 /* Display a warning if at least one VF didn't manage
406 * to reset in time, but continue on with the
409 dev_warn(dev, "VF %u reset check timeout\n", vf->vf_id);
414 /* free VF resources to begin resetting the VSI state */
415 ice_for_each_vf(pf, bkt, vf) {
416 mutex_lock(&vf->cfg_lock);
419 ice_vc_set_default_allowlist(vf);
421 ice_vf_fdir_exit(vf);
422 ice_vf_fdir_init(vf);
423 /* clean VF control VSI when resetting VFs since it should be
424 * setup only when VF creates its first FDIR rule.
426 if (vf->ctrl_vsi_idx != ICE_NO_VSI)
427 ice_vf_ctrl_invalidate_vsi(vf);
429 ice_vf_pre_vsi_rebuild(vf);
430 ice_vf_rebuild_vsi(vf);
431 vf->vf_ops->post_vsi_rebuild(vf);
433 mutex_unlock(&vf->cfg_lock);
436 if (ice_is_eswitch_mode_switchdev(pf))
437 if (ice_eswitch_rebuild(pf))
438 dev_warn(dev, "eswitch rebuild failed\n");
441 clear_bit(ICE_VF_DIS, pf->state);
443 mutex_unlock(&pf->vfs.table_lock);
447 * ice_notify_vf_reset - Notify VF of a reset event
448 * @vf: pointer to the VF structure
450 static void ice_notify_vf_reset(struct ice_vf *vf)
452 struct ice_hw *hw = &vf->pf->hw;
453 struct virtchnl_pf_event pfe;
455 /* Bail out if VF is in disabled state, neither initialized, nor active
456 * state - otherwise proceed with notifications
458 if ((!test_bit(ICE_VF_STATE_INIT, vf->vf_states) &&
459 !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) ||
460 test_bit(ICE_VF_STATE_DIS, vf->vf_states))
463 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
464 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
465 ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT,
466 VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe),
471 * ice_reset_vf - Reset a particular VF
472 * @vf: pointer to the VF structure
473 * @flags: flags controlling behavior of the reset
476 * ICE_VF_RESET_VFLR - Indicates a reset is due to VFLR event
477 * ICE_VF_RESET_NOTIFY - Send VF a notification prior to reset
478 * ICE_VF_RESET_LOCK - Acquire VF cfg_lock before resetting
480 * Returns 0 if the VF is currently in reset, if resets are disabled, or if
481 * the VF resets successfully. Returns an error code if the VF fails to
484 int ice_reset_vf(struct ice_vf *vf, u32 flags)
486 struct ice_pf *pf = vf->pf;
494 dev = ice_pf_to_dev(pf);
497 if (flags & ICE_VF_RESET_NOTIFY)
498 ice_notify_vf_reset(vf);
500 if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) {
501 dev_dbg(dev, "Trying to reset VF %d, but all VF resets are disabled\n",
506 if (ice_is_vf_disabled(vf)) {
507 vsi = ice_get_vf_vsi(vf);
510 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id);
511 ice_vsi_stop_all_rx_rings(vsi);
512 dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n",
517 if (flags & ICE_VF_RESET_LOCK)
518 mutex_lock(&vf->cfg_lock);
520 lockdep_assert_held(&vf->cfg_lock);
522 /* Set VF disable bit state here, before triggering reset */
523 set_bit(ICE_VF_STATE_DIS, vf->vf_states);
524 ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false);
526 vsi = ice_get_vf_vsi(vf);
534 /* Call Disable LAN Tx queue AQ whether or not queues are
535 * enabled. This is needed for successful completion of VFR.
537 ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL,
538 NULL, vf->vf_ops->reset_type, vf->vf_id, NULL);
540 /* poll VPGEN_VFRSTAT reg to make sure
541 * that reset is complete
543 rsd = vf->vf_ops->poll_reset_status(vf);
545 /* Display a warning if VF didn't manage to reset in time, but need to
546 * continue on with the operation.
549 dev_warn(dev, "VF reset check timeout on VF %d\n", vf->vf_id);
552 ice_vc_set_default_allowlist(vf);
554 /* disable promiscuous modes in case they were enabled
555 * ignore any error if disabling process failed
557 if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
558 test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) {
559 if (ice_vf_is_port_vlan_ena(vf) || vsi->num_vlan)
560 promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
562 promisc_m = ICE_UCAST_PROMISC_BITS;
564 if (ice_vf_clear_vsi_promisc(vf, vsi, promisc_m))
565 dev_err(dev, "disabling promiscuous mode failed\n");
568 ice_eswitch_del_vf_mac_rule(vf);
570 ice_vf_fdir_exit(vf);
571 ice_vf_fdir_init(vf);
572 /* clean VF control VSI when resetting VF since it should be setup
573 * only when VF creates its first FDIR rule.
575 if (vf->ctrl_vsi_idx != ICE_NO_VSI)
576 ice_vf_ctrl_vsi_release(vf);
578 ice_vf_pre_vsi_rebuild(vf);
580 if (vf->vf_ops->vsi_rebuild(vf)) {
581 dev_err(dev, "Failed to release and setup the VF%u's VSI\n",
587 vf->vf_ops->post_vsi_rebuild(vf);
588 vsi = ice_get_vf_vsi(vf);
594 ice_eswitch_update_repr(vsi);
595 ice_eswitch_replay_vf_mac_rule(vf);
597 /* if the VF has been reset allow it to come up again */
598 if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs,
599 ICE_MAX_SRIOV_VFS, vf->vf_id))
600 dev_dbg(dev, "failed to clear malicious VF state for VF %u\n",
604 if (flags & ICE_VF_RESET_LOCK)
605 mutex_unlock(&vf->cfg_lock);
611 * ice_set_vf_state_qs_dis - Set VF queues state to disabled
612 * @vf: pointer to the VF structure
614 void ice_set_vf_state_qs_dis(struct ice_vf *vf)
616 /* Clear Rx/Tx enabled queues flag */
617 bitmap_zero(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF);
618 bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF);
619 clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);
622 /* Private functions only accessed from other virtualization files */
625 * ice_dis_vf_qs - Disable the VF queues
626 * @vf: pointer to the VF structure
628 void ice_dis_vf_qs(struct ice_vf *vf)
630 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
635 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id);
636 ice_vsi_stop_all_rx_rings(vsi);
637 ice_set_vf_state_qs_dis(vf);
641 * ice_check_vf_init - helper to check if VF init complete
642 * @vf: the pointer to the VF to check
644 int ice_check_vf_init(struct ice_vf *vf)
646 struct ice_pf *pf = vf->pf;
648 if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
649 dev_err(ice_pf_to_dev(pf), "VF ID: %u in reset. Try again.\n",
657 * ice_vf_get_port_info - Get the VF's port info structure
658 * @vf: VF used to get the port info structure for
660 struct ice_port_info *ice_vf_get_port_info(struct ice_vf *vf)
662 return vf->pf->hw.port_info;
666 * ice_cfg_mac_antispoof - Configure MAC antispoof checking behavior
667 * @vsi: the VSI to configure
668 * @enable: whether to enable or disable the spoof checking
670 * Configure a VSI to enable (or disable) spoof checking behavior.
672 static int ice_cfg_mac_antispoof(struct ice_vsi *vsi, bool enable)
674 struct ice_vsi_ctx *ctx;
677 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
681 ctx->info.sec_flags = vsi->info.sec_flags;
682 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
685 ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF;
687 ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF;
689 err = ice_update_vsi(&vsi->back->hw, vsi->idx, ctx, NULL);
691 dev_err(ice_pf_to_dev(vsi->back), "Failed to configure Tx MAC anti-spoof %s for VSI %d, error %d\n",
692 enable ? "ON" : "OFF", vsi->vsi_num, err);
694 vsi->info.sec_flags = ctx->info.sec_flags;
702 * ice_vsi_ena_spoofchk - enable Tx spoof checking for this VSI
703 * @vsi: VSI to enable Tx spoof checking for
705 static int ice_vsi_ena_spoofchk(struct ice_vsi *vsi)
707 struct ice_vsi_vlan_ops *vlan_ops;
710 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
712 err = vlan_ops->ena_tx_filtering(vsi);
716 return ice_cfg_mac_antispoof(vsi, true);
720 * ice_vsi_dis_spoofchk - disable Tx spoof checking for this VSI
721 * @vsi: VSI to disable Tx spoof checking for
723 static int ice_vsi_dis_spoofchk(struct ice_vsi *vsi)
725 struct ice_vsi_vlan_ops *vlan_ops;
728 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
730 err = vlan_ops->dis_tx_filtering(vsi);
734 return ice_cfg_mac_antispoof(vsi, false);
738 * ice_vsi_apply_spoofchk - Apply Tx spoof checking setting to a VSI
739 * @vsi: VSI associated to the VF
740 * @enable: whether to enable or disable the spoof checking
742 int ice_vsi_apply_spoofchk(struct ice_vsi *vsi, bool enable)
747 err = ice_vsi_ena_spoofchk(vsi);
749 err = ice_vsi_dis_spoofchk(vsi);
756 * @vf: pointer to the VF info
758 bool ice_is_vf_trusted(struct ice_vf *vf)
760 return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
764 * ice_vf_has_no_qs_ena - check if the VF has any Rx or Tx queues enabled
765 * @vf: the VF to check
767 * Returns true if the VF has no Rx and no Tx queues enabled and returns false
770 bool ice_vf_has_no_qs_ena(struct ice_vf *vf)
772 return (!bitmap_weight(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF) &&
773 !bitmap_weight(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF));
777 * ice_is_vf_link_up - check if the VF's link is up
778 * @vf: VF to check if link is up
780 bool ice_is_vf_link_up(struct ice_vf *vf)
782 struct ice_port_info *pi = ice_vf_get_port_info(vf);
784 if (ice_check_vf_init(vf))
787 if (ice_vf_has_no_qs_ena(vf))
789 else if (vf->link_forced)
792 return pi->phy.link_info.link_info &
797 * ice_vf_set_host_trust_cfg - set trust setting based on pre-reset value
798 * @vf: VF to configure trust setting for
800 static void ice_vf_set_host_trust_cfg(struct ice_vf *vf)
803 set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
805 clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
809 * ice_vf_rebuild_host_mac_cfg - add broadcast and the VF's perm_addr/LAA
810 * @vf: VF to add MAC filters for
812 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver
813 * always re-adds a broadcast filter and the VF's perm_addr/LAA after reset.
815 static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf)
817 struct device *dev = ice_pf_to_dev(vf->pf);
818 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
819 u8 broadcast[ETH_ALEN];
825 if (ice_is_eswitch_mode_switchdev(vf->pf))
828 eth_broadcast_addr(broadcast);
829 status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI);
831 dev_err(dev, "failed to add broadcast MAC filter for VF %u, error %d\n",
838 if (is_valid_ether_addr(vf->hw_lan_addr.addr)) {
839 status = ice_fltr_add_mac(vsi, vf->hw_lan_addr.addr,
842 dev_err(dev, "failed to add default unicast MAC filter %pM for VF %u, error %d\n",
843 &vf->hw_lan_addr.addr[0], vf->vf_id,
849 ether_addr_copy(vf->dev_lan_addr.addr, vf->hw_lan_addr.addr);
856 * ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN
857 * @vf: VF to add MAC filters for
858 * @vsi: Pointer to VSI
860 * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver
861 * always re-adds either a VLAN 0 or port VLAN based filter after reset.
863 static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi)
865 struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
866 struct device *dev = ice_pf_to_dev(vf->pf);
869 if (ice_vf_is_port_vlan_ena(vf)) {
870 err = vlan_ops->set_port_vlan(vsi, &vf->port_vlan_info);
872 dev_err(dev, "failed to configure port VLAN via VSI parameters for VF %u, error %d\n",
877 err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info);
879 err = ice_vsi_add_vlan_zero(vsi);
883 dev_err(dev, "failed to add VLAN %u filter for VF %u during VF rebuild, error %d\n",
884 ice_vf_is_port_vlan_ena(vf) ?
885 ice_vf_get_port_vlan_id(vf) : 0, vf->vf_id, err);
889 err = vlan_ops->ena_rx_filtering(vsi);
891 dev_warn(dev, "failed to enable Rx VLAN filtering for VF %d VSI %d during VF rebuild, error %d\n",
892 vf->vf_id, vsi->idx, err);
898 * ice_vf_rebuild_host_tx_rate_cfg - re-apply the Tx rate limiting configuration
899 * @vf: VF to re-apply the configuration for
901 * Called after a VF VSI has been re-added/rebuild during reset. The PF driver
902 * needs to re-apply the host configured Tx rate limiting configuration.
904 static int ice_vf_rebuild_host_tx_rate_cfg(struct ice_vf *vf)
906 struct device *dev = ice_pf_to_dev(vf->pf);
907 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
913 if (vf->min_tx_rate) {
914 err = ice_set_min_bw_limit(vsi, (u64)vf->min_tx_rate * 1000);
916 dev_err(dev, "failed to set min Tx rate to %d Mbps for VF %u, error %d\n",
917 vf->min_tx_rate, vf->vf_id, err);
922 if (vf->max_tx_rate) {
923 err = ice_set_max_bw_limit(vsi, (u64)vf->max_tx_rate * 1000);
925 dev_err(dev, "failed to set max Tx rate to %d Mbps for VF %u, error %d\n",
926 vf->max_tx_rate, vf->vf_id, err);
935 * ice_vf_rebuild_aggregator_node_cfg - rebuild aggregator node config
936 * @vsi: Pointer to VSI
938 * This function moves VSI into corresponding scheduler aggregator node
939 * based on cached value of "aggregator node info" per VSI
941 static void ice_vf_rebuild_aggregator_node_cfg(struct ice_vsi *vsi)
943 struct ice_pf *pf = vsi->back;
950 dev = ice_pf_to_dev(pf);
951 if (vsi->agg_node->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) {
953 "agg_id %u already has reached max_num_vsis %u\n",
954 vsi->agg_node->agg_id, vsi->agg_node->num_vsis);
958 status = ice_move_vsi_to_agg(pf->hw.port_info, vsi->agg_node->agg_id,
959 vsi->idx, vsi->tc_cfg.ena_tc);
961 dev_dbg(dev, "unable to move VSI idx %u into aggregator %u node",
962 vsi->idx, vsi->agg_node->agg_id);
964 vsi->agg_node->num_vsis++;
968 * ice_vf_rebuild_host_cfg - host admin configuration is persistent across reset
969 * @vf: VF to rebuild host configuration on
971 void ice_vf_rebuild_host_cfg(struct ice_vf *vf)
973 struct device *dev = ice_pf_to_dev(vf->pf);
974 struct ice_vsi *vsi = ice_get_vf_vsi(vf);
979 ice_vf_set_host_trust_cfg(vf);
981 if (ice_vf_rebuild_host_mac_cfg(vf))
982 dev_err(dev, "failed to rebuild default MAC configuration for VF %d\n",
985 if (ice_vf_rebuild_host_vlan_cfg(vf, vsi))
986 dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n",
989 if (ice_vf_rebuild_host_tx_rate_cfg(vf))
990 dev_err(dev, "failed to rebuild Tx rate limiting configuration for VF %u\n",
993 if (ice_vsi_apply_spoofchk(vsi, vf->spoofchk))
994 dev_err(dev, "failed to rebuild spoofchk configuration for VF %d\n",
997 /* rebuild aggregator node config for main VF VSI */
998 ice_vf_rebuild_aggregator_node_cfg(vsi);
1002 * ice_vf_ctrl_invalidate_vsi - invalidate ctrl_vsi_idx to remove VSI access
1003 * @vf: VF that control VSI is being invalidated on
1005 void ice_vf_ctrl_invalidate_vsi(struct ice_vf *vf)
1007 vf->ctrl_vsi_idx = ICE_NO_VSI;
1011 * ice_vf_ctrl_vsi_release - invalidate the VF's control VSI after freeing it
1012 * @vf: VF that control VSI is being released on
1014 void ice_vf_ctrl_vsi_release(struct ice_vf *vf)
1016 ice_vsi_release(vf->pf->vsi[vf->ctrl_vsi_idx]);
1017 ice_vf_ctrl_invalidate_vsi(vf);
1021 * ice_vf_ctrl_vsi_setup - Set up a VF control VSI
1022 * @vf: VF to setup control VSI for
1024 * Returns pointer to the successfully allocated VSI struct on success,
1025 * otherwise returns NULL on failure.
1027 struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf)
1029 struct ice_port_info *pi = ice_vf_get_port_info(vf);
1030 struct ice_pf *pf = vf->pf;
1031 struct ice_vsi *vsi;
1033 vsi = ice_vsi_setup(pf, pi, ICE_VSI_CTRL, vf, NULL);
1035 dev_err(ice_pf_to_dev(pf), "Failed to create VF control VSI\n");
1036 ice_vf_ctrl_invalidate_vsi(vf);
1043 * ice_vf_invalidate_vsi - invalidate vsi_idx/vsi_num to remove VSI access
1044 * @vf: VF to remove access to VSI for
1046 void ice_vf_invalidate_vsi(struct ice_vf *vf)
1048 vf->lan_vsi_idx = ICE_NO_VSI;
1049 vf->lan_vsi_num = ICE_NO_VSI;
1053 * ice_vf_set_initialized - VF is ready for VIRTCHNL communication
1054 * @vf: VF to set in initialized state
1056 * After this function the VF will be ready to receive/handle the
1057 * VIRTCHNL_OP_GET_VF_RESOURCES message
1059 void ice_vf_set_initialized(struct ice_vf *vf)
1061 ice_set_vf_state_qs_dis(vf);
1062 clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
1063 clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
1064 clear_bit(ICE_VF_STATE_DIS, vf->vf_states);
1065 set_bit(ICE_VF_STATE_INIT, vf->vf_states);
1066 memset(&vf->vlan_v2_caps, 0, sizeof(vf->vlan_v2_caps));