1109aba47SJacob Keller // SPDX-License-Identifier: GPL-2.0 2109aba47SJacob Keller /* Copyright (C) 2022, Intel Corporation. */ 3109aba47SJacob Keller 4109aba47SJacob Keller #include "ice_vf_lib_private.h" 5109aba47SJacob Keller #include "ice.h" 6109aba47SJacob Keller #include "ice_lib.h" 7109aba47SJacob Keller #include "ice_fltr.h" 8109aba47SJacob Keller #include "ice_virtchnl_allowlist.h" 9109aba47SJacob Keller 10109aba47SJacob Keller /* Public functions which may be accessed by all driver files */ 11109aba47SJacob Keller 12109aba47SJacob Keller /** 13109aba47SJacob Keller * ice_get_vf_by_id - Get pointer to VF by ID 14109aba47SJacob Keller * @pf: the PF private structure 15109aba47SJacob Keller * @vf_id: the VF ID to locate 16109aba47SJacob Keller * 17109aba47SJacob Keller * Locate and return a pointer to the VF structure associated with a given ID. 18109aba47SJacob Keller * Returns NULL if the ID does not have a valid VF structure associated with 19109aba47SJacob Keller * it. 20109aba47SJacob Keller * 21109aba47SJacob Keller * This function takes a reference to the VF, which must be released by 22109aba47SJacob Keller * calling ice_put_vf() once the caller is finished accessing the VF structure 23109aba47SJacob Keller * returned. 24109aba47SJacob Keller */ 25109aba47SJacob Keller struct ice_vf *ice_get_vf_by_id(struct ice_pf *pf, u16 vf_id) 26109aba47SJacob Keller { 27109aba47SJacob Keller struct ice_vf *vf; 28109aba47SJacob Keller 29109aba47SJacob Keller rcu_read_lock(); 30109aba47SJacob Keller hash_for_each_possible_rcu(pf->vfs.table, vf, entry, vf_id) { 31109aba47SJacob Keller if (vf->vf_id == vf_id) { 32109aba47SJacob Keller struct ice_vf *found; 33109aba47SJacob Keller 34109aba47SJacob Keller if (kref_get_unless_zero(&vf->refcnt)) 35109aba47SJacob Keller found = vf; 36109aba47SJacob Keller else 37109aba47SJacob Keller found = NULL; 38109aba47SJacob Keller 39109aba47SJacob Keller rcu_read_unlock(); 40109aba47SJacob Keller return found; 41109aba47SJacob Keller } 42109aba47SJacob Keller } 43109aba47SJacob Keller rcu_read_unlock(); 44109aba47SJacob Keller 45109aba47SJacob Keller return NULL; 46109aba47SJacob Keller } 47109aba47SJacob Keller 48109aba47SJacob Keller /** 49109aba47SJacob Keller * ice_release_vf - Release VF associated with a refcount 50109aba47SJacob Keller * @ref: the kref decremented to zero 51109aba47SJacob Keller * 52109aba47SJacob Keller * Callback function for kref_put to release a VF once its reference count has 53109aba47SJacob Keller * hit zero. 54109aba47SJacob Keller */ 55109aba47SJacob Keller static void ice_release_vf(struct kref *ref) 56109aba47SJacob Keller { 57109aba47SJacob Keller struct ice_vf *vf = container_of(ref, struct ice_vf, refcnt); 58109aba47SJacob Keller 599c6f7878SJacob Keller vf->vf_ops->free(vf); 60109aba47SJacob Keller } 61109aba47SJacob Keller 62109aba47SJacob Keller /** 63109aba47SJacob Keller * ice_put_vf - Release a reference to a VF 64109aba47SJacob Keller * @vf: the VF structure to decrease reference count on 65109aba47SJacob Keller * 66109aba47SJacob Keller * Decrease the reference count for a VF, and free the entry if it is no 67109aba47SJacob Keller * longer in use. 68109aba47SJacob Keller * 69109aba47SJacob Keller * This must be called after ice_get_vf_by_id() once the reference to the VF 70109aba47SJacob Keller * structure is no longer used. Otherwise, the VF structure will never be 71109aba47SJacob Keller * freed. 72109aba47SJacob Keller */ 73109aba47SJacob Keller void ice_put_vf(struct ice_vf *vf) 74109aba47SJacob Keller { 75109aba47SJacob Keller kref_put(&vf->refcnt, ice_release_vf); 76109aba47SJacob Keller } 77109aba47SJacob Keller 78109aba47SJacob Keller /** 79109aba47SJacob Keller * ice_has_vfs - Return true if the PF has any associated VFs 80109aba47SJacob Keller * @pf: the PF private structure 81109aba47SJacob Keller * 82109aba47SJacob Keller * Return whether or not the PF has any allocated VFs. 83109aba47SJacob Keller * 84109aba47SJacob Keller * Note that this function only guarantees that there are no VFs at the point 85109aba47SJacob Keller * of calling it. It does not guarantee that no more VFs will be added. 86109aba47SJacob Keller */ 87109aba47SJacob Keller bool ice_has_vfs(struct ice_pf *pf) 88109aba47SJacob Keller { 89109aba47SJacob Keller /* A simple check that the hash table is not empty does not require 90109aba47SJacob Keller * the mutex or rcu_read_lock. 91109aba47SJacob Keller */ 92109aba47SJacob Keller return !hash_empty(pf->vfs.table); 93109aba47SJacob Keller } 94109aba47SJacob Keller 95109aba47SJacob Keller /** 96109aba47SJacob Keller * ice_get_num_vfs - Get number of allocated VFs 97109aba47SJacob Keller * @pf: the PF private structure 98109aba47SJacob Keller * 99109aba47SJacob Keller * Return the total number of allocated VFs. NOTE: VF IDs are not guaranteed 100109aba47SJacob Keller * to be contiguous. Do not assume that a VF ID is guaranteed to be less than 101109aba47SJacob Keller * the output of this function. 102109aba47SJacob Keller */ 103109aba47SJacob Keller u16 ice_get_num_vfs(struct ice_pf *pf) 104109aba47SJacob Keller { 105109aba47SJacob Keller struct ice_vf *vf; 106109aba47SJacob Keller unsigned int bkt; 107109aba47SJacob Keller u16 num_vfs = 0; 108109aba47SJacob Keller 109109aba47SJacob Keller rcu_read_lock(); 110109aba47SJacob Keller ice_for_each_vf_rcu(pf, bkt, vf) 111109aba47SJacob Keller num_vfs++; 112109aba47SJacob Keller rcu_read_unlock(); 113109aba47SJacob Keller 114109aba47SJacob Keller return num_vfs; 115109aba47SJacob Keller } 116109aba47SJacob Keller 117109aba47SJacob Keller /** 118109aba47SJacob Keller * ice_get_vf_vsi - get VF's VSI based on the stored index 119109aba47SJacob Keller * @vf: VF used to get VSI 120109aba47SJacob Keller */ 121109aba47SJacob Keller struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf) 122109aba47SJacob Keller { 123109aba47SJacob Keller if (vf->lan_vsi_idx == ICE_NO_VSI) 124109aba47SJacob Keller return NULL; 125109aba47SJacob Keller 126109aba47SJacob Keller return vf->pf->vsi[vf->lan_vsi_idx]; 127109aba47SJacob Keller } 128109aba47SJacob Keller 129109aba47SJacob Keller /** 130109aba47SJacob Keller * ice_is_vf_disabled 131109aba47SJacob Keller * @vf: pointer to the VF info 132109aba47SJacob Keller * 133109aba47SJacob Keller * If the PF has been disabled, there is no need resetting VF until PF is 134109aba47SJacob Keller * active again. Similarly, if the VF has been disabled, this means something 135109aba47SJacob Keller * else is resetting the VF, so we shouldn't continue. 136109aba47SJacob Keller * 137109aba47SJacob Keller * Returns true if the caller should consider the VF as disabled whether 138109aba47SJacob Keller * because that single VF is explicitly disabled or because the PF is 139109aba47SJacob Keller * currently disabled. 140109aba47SJacob Keller */ 141109aba47SJacob Keller bool ice_is_vf_disabled(struct ice_vf *vf) 142109aba47SJacob Keller { 143109aba47SJacob Keller struct ice_pf *pf = vf->pf; 144109aba47SJacob Keller 145109aba47SJacob Keller return (test_bit(ICE_VF_DIS, pf->state) || 146109aba47SJacob Keller test_bit(ICE_VF_STATE_DIS, vf->vf_states)); 147109aba47SJacob Keller } 148109aba47SJacob Keller 149109aba47SJacob Keller /** 150109aba47SJacob Keller * ice_wait_on_vf_reset - poll to make sure a given VF is ready after reset 151109aba47SJacob Keller * @vf: The VF being resseting 152109aba47SJacob Keller * 153109aba47SJacob Keller * The max poll time is about ~800ms, which is about the maximum time it takes 154109aba47SJacob Keller * for a VF to be reset and/or a VF driver to be removed. 155109aba47SJacob Keller */ 156109aba47SJacob Keller static void ice_wait_on_vf_reset(struct ice_vf *vf) 157109aba47SJacob Keller { 158109aba47SJacob Keller int i; 159109aba47SJacob Keller 160109aba47SJacob Keller for (i = 0; i < ICE_MAX_VF_RESET_TRIES; i++) { 161109aba47SJacob Keller if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) 162109aba47SJacob Keller break; 163109aba47SJacob Keller msleep(ICE_MAX_VF_RESET_SLEEP_MS); 164109aba47SJacob Keller } 165109aba47SJacob Keller } 166109aba47SJacob Keller 167109aba47SJacob Keller /** 168109aba47SJacob Keller * ice_check_vf_ready_for_cfg - check if VF is ready to be configured/queried 169109aba47SJacob Keller * @vf: VF to check if it's ready to be configured/queried 170109aba47SJacob Keller * 171109aba47SJacob Keller * The purpose of this function is to make sure the VF is not in reset, not 172109aba47SJacob Keller * disabled, and initialized so it can be configured and/or queried by a host 173109aba47SJacob Keller * administrator. 174109aba47SJacob Keller */ 175109aba47SJacob Keller int ice_check_vf_ready_for_cfg(struct ice_vf *vf) 176109aba47SJacob Keller { 177109aba47SJacob Keller ice_wait_on_vf_reset(vf); 178109aba47SJacob Keller 179109aba47SJacob Keller if (ice_is_vf_disabled(vf)) 180109aba47SJacob Keller return -EINVAL; 181109aba47SJacob Keller 1825a57ee83SJacob Keller if (ice_check_vf_init(vf)) 183109aba47SJacob Keller return -EBUSY; 184109aba47SJacob Keller 185109aba47SJacob Keller return 0; 186109aba47SJacob Keller } 187109aba47SJacob Keller 188109aba47SJacob Keller /** 1897255355aSDawid Wesierski * ice_check_vf_ready_for_reset - check if VF is ready to be reset 1907255355aSDawid Wesierski * @vf: VF to check if it's ready to be reset 1917255355aSDawid Wesierski * 1927255355aSDawid Wesierski * The purpose of this function is to ensure that the VF is not in reset, 1937255355aSDawid Wesierski * disabled, and is both initialized and active, thus enabling us to safely 1947255355aSDawid Wesierski * initialize another reset. 1957255355aSDawid Wesierski */ 1967255355aSDawid Wesierski int ice_check_vf_ready_for_reset(struct ice_vf *vf) 1977255355aSDawid Wesierski { 1987255355aSDawid Wesierski int ret; 1997255355aSDawid Wesierski 2007255355aSDawid Wesierski ret = ice_check_vf_ready_for_cfg(vf); 2017255355aSDawid Wesierski if (!ret && !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 2027255355aSDawid Wesierski ret = -EAGAIN; 2037255355aSDawid Wesierski 2047255355aSDawid Wesierski return ret; 2057255355aSDawid Wesierski } 2067255355aSDawid Wesierski 2077255355aSDawid Wesierski /** 20816686d7fSJacob Keller * ice_trigger_vf_reset - Reset a VF on HW 20916686d7fSJacob Keller * @vf: pointer to the VF structure 21016686d7fSJacob Keller * @is_vflr: true if VFLR was issued, false if not 21116686d7fSJacob Keller * @is_pfr: true if the reset was triggered due to a previous PFR 21216686d7fSJacob Keller * 21316686d7fSJacob Keller * Trigger hardware to start a reset for a particular VF. Expects the caller 21416686d7fSJacob Keller * to wait the proper amount of time to allow hardware to reset the VF before 21516686d7fSJacob Keller * it cleans up and restores VF functionality. 21616686d7fSJacob Keller */ 21716686d7fSJacob Keller static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr) 21816686d7fSJacob Keller { 21916686d7fSJacob Keller /* Inform VF that it is no longer active, as a warning */ 22016686d7fSJacob Keller clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); 22116686d7fSJacob Keller 22216686d7fSJacob Keller /* Disable VF's configuration API during reset. The flag is re-enabled 22316686d7fSJacob Keller * when it's safe again to access VF's VSI. 22416686d7fSJacob Keller */ 22516686d7fSJacob Keller clear_bit(ICE_VF_STATE_INIT, vf->vf_states); 22616686d7fSJacob Keller 22716686d7fSJacob Keller /* VF_MBX_ARQLEN and VF_MBX_ATQLEN are cleared by PFR, so the driver 22816686d7fSJacob Keller * needs to clear them in the case of VFR/VFLR. If this is done for 22916686d7fSJacob Keller * PFR, it can mess up VF resets because the VF driver may already 23016686d7fSJacob Keller * have started cleanup by the time we get here. 23116686d7fSJacob Keller */ 23216686d7fSJacob Keller if (!is_pfr) 23316686d7fSJacob Keller vf->vf_ops->clear_mbx_register(vf); 23416686d7fSJacob Keller 23516686d7fSJacob Keller vf->vf_ops->trigger_reset_register(vf, is_vflr); 23616686d7fSJacob Keller } 23716686d7fSJacob Keller 23816686d7fSJacob Keller static void ice_vf_clear_counters(struct ice_vf *vf) 23916686d7fSJacob Keller { 24016686d7fSJacob Keller struct ice_vsi *vsi = ice_get_vf_vsi(vf); 24116686d7fSJacob Keller 242baeb705fSJacob Keller if (vsi) 24316686d7fSJacob Keller vsi->num_vlan = 0; 244baeb705fSJacob Keller 245baeb705fSJacob Keller vf->num_mac = 0; 24616686d7fSJacob Keller memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events)); 24716686d7fSJacob Keller memset(&vf->mdd_rx_events, 0, sizeof(vf->mdd_rx_events)); 24816686d7fSJacob Keller } 24916686d7fSJacob Keller 25016686d7fSJacob Keller /** 25116686d7fSJacob Keller * ice_vf_pre_vsi_rebuild - tasks to be done prior to VSI rebuild 25216686d7fSJacob Keller * @vf: VF to perform pre VSI rebuild tasks 25316686d7fSJacob Keller * 25416686d7fSJacob Keller * These tasks are items that don't need to be amortized since they are most 25516686d7fSJacob Keller * likely called in a for loop with all VF(s) in the reset_all_vfs() case. 25616686d7fSJacob Keller */ 25716686d7fSJacob Keller static void ice_vf_pre_vsi_rebuild(struct ice_vf *vf) 25816686d7fSJacob Keller { 259537dfe06SJacob Keller /* Close any IRQ mapping now */ 260537dfe06SJacob Keller if (vf->vf_ops->irq_close) 261537dfe06SJacob Keller vf->vf_ops->irq_close(vf); 262537dfe06SJacob Keller 26316686d7fSJacob Keller ice_vf_clear_counters(vf); 26416686d7fSJacob Keller vf->vf_ops->clear_reset_trigger(vf); 26516686d7fSJacob Keller } 26616686d7fSJacob Keller 26716686d7fSJacob Keller /** 2685531bb85SJacob Keller * ice_vf_recreate_vsi - Release and re-create the VF's VSI 2695531bb85SJacob Keller * @vf: VF to recreate the VSI for 2705531bb85SJacob Keller * 2715531bb85SJacob Keller * This is only called when a single VF is being reset (i.e. VVF, VFLR, host 2725531bb85SJacob Keller * VF configuration change, etc) 2735531bb85SJacob Keller * 2745531bb85SJacob Keller * It releases and then re-creates a new VSI. 2755531bb85SJacob Keller */ 2765531bb85SJacob Keller static int ice_vf_recreate_vsi(struct ice_vf *vf) 2775531bb85SJacob Keller { 2785531bb85SJacob Keller struct ice_pf *pf = vf->pf; 2795531bb85SJacob Keller int err; 2805531bb85SJacob Keller 2815531bb85SJacob Keller ice_vf_vsi_release(vf); 2825531bb85SJacob Keller 2835531bb85SJacob Keller err = vf->vf_ops->create_vsi(vf); 2845531bb85SJacob Keller if (err) { 2855531bb85SJacob Keller dev_err(ice_pf_to_dev(pf), 2865531bb85SJacob Keller "Failed to recreate the VF%u's VSI, error %d\n", 2875531bb85SJacob Keller vf->vf_id, err); 2885531bb85SJacob Keller return err; 2895531bb85SJacob Keller } 2905531bb85SJacob Keller 2915531bb85SJacob Keller return 0; 2925531bb85SJacob Keller } 2935531bb85SJacob Keller 2945531bb85SJacob Keller /** 29516686d7fSJacob Keller * ice_vf_rebuild_vsi - rebuild the VF's VSI 29616686d7fSJacob Keller * @vf: VF to rebuild the VSI for 29716686d7fSJacob Keller * 29816686d7fSJacob Keller * This is only called when all VF(s) are being reset (i.e. PCIe Reset on the 29916686d7fSJacob Keller * host, PFR, CORER, etc.). 3005531bb85SJacob Keller * 3015531bb85SJacob Keller * It reprograms the VSI configuration back into hardware. 30216686d7fSJacob Keller */ 30316686d7fSJacob Keller static int ice_vf_rebuild_vsi(struct ice_vf *vf) 30416686d7fSJacob Keller { 30516686d7fSJacob Keller struct ice_vsi *vsi = ice_get_vf_vsi(vf); 30616686d7fSJacob Keller struct ice_pf *pf = vf->pf; 30716686d7fSJacob Keller 308baeb705fSJacob Keller if (WARN_ON(!vsi)) 309baeb705fSJacob Keller return -EINVAL; 310baeb705fSJacob Keller 3116624e780SMichal Swiatkowski if (ice_vsi_rebuild(vsi, ICE_VSI_FLAG_INIT)) { 31216686d7fSJacob Keller dev_err(ice_pf_to_dev(pf), "failed to rebuild VF %d VSI\n", 31316686d7fSJacob Keller vf->vf_id); 31416686d7fSJacob Keller return -EIO; 31516686d7fSJacob Keller } 31616686d7fSJacob Keller /* vsi->idx will remain the same in this case so don't update 31716686d7fSJacob Keller * vf->lan_vsi_idx 31816686d7fSJacob Keller */ 31916686d7fSJacob Keller vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 32016686d7fSJacob Keller vf->lan_vsi_num = vsi->vsi_num; 32116686d7fSJacob Keller 32216686d7fSJacob Keller return 0; 32316686d7fSJacob Keller } 32416686d7fSJacob Keller 32516686d7fSJacob Keller /** 326cc9c60c9SJan Sokolowski * ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN 327cc9c60c9SJan Sokolowski * @vf: VF to add MAC filters for 328cc9c60c9SJan Sokolowski * @vsi: Pointer to VSI 329cc9c60c9SJan Sokolowski * 330cc9c60c9SJan Sokolowski * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 331cc9c60c9SJan Sokolowski * always re-adds either a VLAN 0 or port VLAN based filter after reset. 332cc9c60c9SJan Sokolowski */ 333cc9c60c9SJan Sokolowski static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 334cc9c60c9SJan Sokolowski { 335cc9c60c9SJan Sokolowski struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 336cc9c60c9SJan Sokolowski struct device *dev = ice_pf_to_dev(vf->pf); 337cc9c60c9SJan Sokolowski int err; 338cc9c60c9SJan Sokolowski 339cc9c60c9SJan Sokolowski if (ice_vf_is_port_vlan_ena(vf)) { 340cc9c60c9SJan Sokolowski err = vlan_ops->set_port_vlan(vsi, &vf->port_vlan_info); 341cc9c60c9SJan Sokolowski if (err) { 342cc9c60c9SJan Sokolowski dev_err(dev, "failed to configure port VLAN via VSI parameters for VF %u, error %d\n", 343cc9c60c9SJan Sokolowski vf->vf_id, err); 344cc9c60c9SJan Sokolowski return err; 345cc9c60c9SJan Sokolowski } 346cc9c60c9SJan Sokolowski 347cc9c60c9SJan Sokolowski err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); 348cc9c60c9SJan Sokolowski } else { 349cc9c60c9SJan Sokolowski err = ice_vsi_add_vlan_zero(vsi); 350cc9c60c9SJan Sokolowski } 351cc9c60c9SJan Sokolowski 352cc9c60c9SJan Sokolowski if (err) { 353cc9c60c9SJan Sokolowski dev_err(dev, "failed to add VLAN %u filter for VF %u during VF rebuild, error %d\n", 354cc9c60c9SJan Sokolowski ice_vf_is_port_vlan_ena(vf) ? 355cc9c60c9SJan Sokolowski ice_vf_get_port_vlan_id(vf) : 0, vf->vf_id, err); 356cc9c60c9SJan Sokolowski return err; 357cc9c60c9SJan Sokolowski } 358cc9c60c9SJan Sokolowski 359cc9c60c9SJan Sokolowski err = vlan_ops->ena_rx_filtering(vsi); 360cc9c60c9SJan Sokolowski if (err) 361cc9c60c9SJan Sokolowski dev_warn(dev, "failed to enable Rx VLAN filtering for VF %d VSI %d during VF rebuild, error %d\n", 362cc9c60c9SJan Sokolowski vf->vf_id, vsi->idx, err); 363cc9c60c9SJan Sokolowski 364cc9c60c9SJan Sokolowski return 0; 365cc9c60c9SJan Sokolowski } 366cc9c60c9SJan Sokolowski 367cc9c60c9SJan Sokolowski /** 368cc9c60c9SJan Sokolowski * ice_vf_rebuild_host_tx_rate_cfg - re-apply the Tx rate limiting configuration 369cc9c60c9SJan Sokolowski * @vf: VF to re-apply the configuration for 370cc9c60c9SJan Sokolowski * 371cc9c60c9SJan Sokolowski * Called after a VF VSI has been re-added/rebuild during reset. The PF driver 372cc9c60c9SJan Sokolowski * needs to re-apply the host configured Tx rate limiting configuration. 373cc9c60c9SJan Sokolowski */ 374cc9c60c9SJan Sokolowski static int ice_vf_rebuild_host_tx_rate_cfg(struct ice_vf *vf) 375cc9c60c9SJan Sokolowski { 376cc9c60c9SJan Sokolowski struct device *dev = ice_pf_to_dev(vf->pf); 377cc9c60c9SJan Sokolowski struct ice_vsi *vsi = ice_get_vf_vsi(vf); 378cc9c60c9SJan Sokolowski int err; 379cc9c60c9SJan Sokolowski 380cc9c60c9SJan Sokolowski if (WARN_ON(!vsi)) 381cc9c60c9SJan Sokolowski return -EINVAL; 382cc9c60c9SJan Sokolowski 383cc9c60c9SJan Sokolowski if (vf->min_tx_rate) { 384cc9c60c9SJan Sokolowski err = ice_set_min_bw_limit(vsi, (u64)vf->min_tx_rate * 1000); 385cc9c60c9SJan Sokolowski if (err) { 386cc9c60c9SJan Sokolowski dev_err(dev, "failed to set min Tx rate to %d Mbps for VF %u, error %d\n", 387cc9c60c9SJan Sokolowski vf->min_tx_rate, vf->vf_id, err); 388cc9c60c9SJan Sokolowski return err; 389cc9c60c9SJan Sokolowski } 390cc9c60c9SJan Sokolowski } 391cc9c60c9SJan Sokolowski 392cc9c60c9SJan Sokolowski if (vf->max_tx_rate) { 393cc9c60c9SJan Sokolowski err = ice_set_max_bw_limit(vsi, (u64)vf->max_tx_rate * 1000); 394cc9c60c9SJan Sokolowski if (err) { 395cc9c60c9SJan Sokolowski dev_err(dev, "failed to set max Tx rate to %d Mbps for VF %u, error %d\n", 396cc9c60c9SJan Sokolowski vf->max_tx_rate, vf->vf_id, err); 397cc9c60c9SJan Sokolowski return err; 398cc9c60c9SJan Sokolowski } 399cc9c60c9SJan Sokolowski } 400cc9c60c9SJan Sokolowski 401cc9c60c9SJan Sokolowski return 0; 402cc9c60c9SJan Sokolowski } 403cc9c60c9SJan Sokolowski 404cc9c60c9SJan Sokolowski /** 405cc9c60c9SJan Sokolowski * ice_vf_set_host_trust_cfg - set trust setting based on pre-reset value 406cc9c60c9SJan Sokolowski * @vf: VF to configure trust setting for 407cc9c60c9SJan Sokolowski */ 408cc9c60c9SJan Sokolowski static void ice_vf_set_host_trust_cfg(struct ice_vf *vf) 409cc9c60c9SJan Sokolowski { 410*54e852daSTony Nguyen assign_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps, vf->trusted); 411cc9c60c9SJan Sokolowski } 412cc9c60c9SJan Sokolowski 413cc9c60c9SJan Sokolowski /** 414cc9c60c9SJan Sokolowski * ice_vf_rebuild_host_mac_cfg - add broadcast and the VF's perm_addr/LAA 415cc9c60c9SJan Sokolowski * @vf: VF to add MAC filters for 416cc9c60c9SJan Sokolowski * 417cc9c60c9SJan Sokolowski * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver 418cc9c60c9SJan Sokolowski * always re-adds a broadcast filter and the VF's perm_addr/LAA after reset. 419cc9c60c9SJan Sokolowski */ 420cc9c60c9SJan Sokolowski static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf) 421cc9c60c9SJan Sokolowski { 422cc9c60c9SJan Sokolowski struct device *dev = ice_pf_to_dev(vf->pf); 423cc9c60c9SJan Sokolowski struct ice_vsi *vsi = ice_get_vf_vsi(vf); 424cc9c60c9SJan Sokolowski u8 broadcast[ETH_ALEN]; 425cc9c60c9SJan Sokolowski int status; 426cc9c60c9SJan Sokolowski 427cc9c60c9SJan Sokolowski if (WARN_ON(!vsi)) 428cc9c60c9SJan Sokolowski return -EINVAL; 429cc9c60c9SJan Sokolowski 430cc9c60c9SJan Sokolowski if (ice_is_eswitch_mode_switchdev(vf->pf)) 431cc9c60c9SJan Sokolowski return 0; 432cc9c60c9SJan Sokolowski 433cc9c60c9SJan Sokolowski eth_broadcast_addr(broadcast); 434cc9c60c9SJan Sokolowski status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 435cc9c60c9SJan Sokolowski if (status) { 436cc9c60c9SJan Sokolowski dev_err(dev, "failed to add broadcast MAC filter for VF %u, error %d\n", 437cc9c60c9SJan Sokolowski vf->vf_id, status); 438cc9c60c9SJan Sokolowski return status; 439cc9c60c9SJan Sokolowski } 440cc9c60c9SJan Sokolowski 441cc9c60c9SJan Sokolowski vf->num_mac++; 442cc9c60c9SJan Sokolowski 443cc9c60c9SJan Sokolowski if (is_valid_ether_addr(vf->hw_lan_addr)) { 444cc9c60c9SJan Sokolowski status = ice_fltr_add_mac(vsi, vf->hw_lan_addr, 445cc9c60c9SJan Sokolowski ICE_FWD_TO_VSI); 446cc9c60c9SJan Sokolowski if (status) { 447cc9c60c9SJan Sokolowski dev_err(dev, "failed to add default unicast MAC filter %pM for VF %u, error %d\n", 448cc9c60c9SJan Sokolowski &vf->hw_lan_addr[0], vf->vf_id, 449cc9c60c9SJan Sokolowski status); 450cc9c60c9SJan Sokolowski return status; 451cc9c60c9SJan Sokolowski } 452cc9c60c9SJan Sokolowski vf->num_mac++; 453cc9c60c9SJan Sokolowski 454cc9c60c9SJan Sokolowski ether_addr_copy(vf->dev_lan_addr, vf->hw_lan_addr); 455cc9c60c9SJan Sokolowski } 456cc9c60c9SJan Sokolowski 457cc9c60c9SJan Sokolowski return 0; 458cc9c60c9SJan Sokolowski } 459cc9c60c9SJan Sokolowski 460cc9c60c9SJan Sokolowski /** 461cc9c60c9SJan Sokolowski * ice_vf_rebuild_aggregator_node_cfg - rebuild aggregator node config 462cc9c60c9SJan Sokolowski * @vsi: Pointer to VSI 463cc9c60c9SJan Sokolowski * 464cc9c60c9SJan Sokolowski * This function moves VSI into corresponding scheduler aggregator node 465cc9c60c9SJan Sokolowski * based on cached value of "aggregator node info" per VSI 466cc9c60c9SJan Sokolowski */ 467cc9c60c9SJan Sokolowski static void ice_vf_rebuild_aggregator_node_cfg(struct ice_vsi *vsi) 468cc9c60c9SJan Sokolowski { 469cc9c60c9SJan Sokolowski struct ice_pf *pf = vsi->back; 470cc9c60c9SJan Sokolowski struct device *dev; 471cc9c60c9SJan Sokolowski int status; 472cc9c60c9SJan Sokolowski 473cc9c60c9SJan Sokolowski if (!vsi->agg_node) 474cc9c60c9SJan Sokolowski return; 475cc9c60c9SJan Sokolowski 476cc9c60c9SJan Sokolowski dev = ice_pf_to_dev(pf); 477cc9c60c9SJan Sokolowski if (vsi->agg_node->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) { 478cc9c60c9SJan Sokolowski dev_dbg(dev, 479cc9c60c9SJan Sokolowski "agg_id %u already has reached max_num_vsis %u\n", 480cc9c60c9SJan Sokolowski vsi->agg_node->agg_id, vsi->agg_node->num_vsis); 481cc9c60c9SJan Sokolowski return; 482cc9c60c9SJan Sokolowski } 483cc9c60c9SJan Sokolowski 484cc9c60c9SJan Sokolowski status = ice_move_vsi_to_agg(pf->hw.port_info, vsi->agg_node->agg_id, 485cc9c60c9SJan Sokolowski vsi->idx, vsi->tc_cfg.ena_tc); 486cc9c60c9SJan Sokolowski if (status) 487cc9c60c9SJan Sokolowski dev_dbg(dev, "unable to move VSI idx %u into aggregator %u node", 488cc9c60c9SJan Sokolowski vsi->idx, vsi->agg_node->agg_id); 489cc9c60c9SJan Sokolowski else 490cc9c60c9SJan Sokolowski vsi->agg_node->num_vsis++; 491cc9c60c9SJan Sokolowski } 492cc9c60c9SJan Sokolowski 493cc9c60c9SJan Sokolowski /** 494cc9c60c9SJan Sokolowski * ice_vf_rebuild_host_cfg - host admin configuration is persistent across reset 495cc9c60c9SJan Sokolowski * @vf: VF to rebuild host configuration on 496cc9c60c9SJan Sokolowski */ 497cc9c60c9SJan Sokolowski static void ice_vf_rebuild_host_cfg(struct ice_vf *vf) 498cc9c60c9SJan Sokolowski { 499cc9c60c9SJan Sokolowski struct device *dev = ice_pf_to_dev(vf->pf); 500cc9c60c9SJan Sokolowski struct ice_vsi *vsi = ice_get_vf_vsi(vf); 501cc9c60c9SJan Sokolowski 502cc9c60c9SJan Sokolowski if (WARN_ON(!vsi)) 503cc9c60c9SJan Sokolowski return; 504cc9c60c9SJan Sokolowski 505cc9c60c9SJan Sokolowski ice_vf_set_host_trust_cfg(vf); 506cc9c60c9SJan Sokolowski 507cc9c60c9SJan Sokolowski if (ice_vf_rebuild_host_mac_cfg(vf)) 508cc9c60c9SJan Sokolowski dev_err(dev, "failed to rebuild default MAC configuration for VF %d\n", 509cc9c60c9SJan Sokolowski vf->vf_id); 510cc9c60c9SJan Sokolowski 511cc9c60c9SJan Sokolowski if (ice_vf_rebuild_host_vlan_cfg(vf, vsi)) 512cc9c60c9SJan Sokolowski dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n", 513cc9c60c9SJan Sokolowski vf->vf_id); 514cc9c60c9SJan Sokolowski 515cc9c60c9SJan Sokolowski if (ice_vf_rebuild_host_tx_rate_cfg(vf)) 516cc9c60c9SJan Sokolowski dev_err(dev, "failed to rebuild Tx rate limiting configuration for VF %u\n", 517cc9c60c9SJan Sokolowski vf->vf_id); 518cc9c60c9SJan Sokolowski 519cc9c60c9SJan Sokolowski if (ice_vsi_apply_spoofchk(vsi, vf->spoofchk)) 520cc9c60c9SJan Sokolowski dev_err(dev, "failed to rebuild spoofchk configuration for VF %d\n", 521cc9c60c9SJan Sokolowski vf->vf_id); 522cc9c60c9SJan Sokolowski 523cc9c60c9SJan Sokolowski /* rebuild aggregator node config for main VF VSI */ 524cc9c60c9SJan Sokolowski ice_vf_rebuild_aggregator_node_cfg(vsi); 525cc9c60c9SJan Sokolowski } 526cc9c60c9SJan Sokolowski 527cc9c60c9SJan Sokolowski /** 528cc9c60c9SJan Sokolowski * ice_set_vf_state_qs_dis - Set VF queues state to disabled 529cc9c60c9SJan Sokolowski * @vf: pointer to the VF structure 530cc9c60c9SJan Sokolowski */ 531cc9c60c9SJan Sokolowski static void ice_set_vf_state_qs_dis(struct ice_vf *vf) 532cc9c60c9SJan Sokolowski { 533cc9c60c9SJan Sokolowski /* Clear Rx/Tx enabled queues flag */ 534cc9c60c9SJan Sokolowski bitmap_zero(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF); 535cc9c60c9SJan Sokolowski bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF); 536cc9c60c9SJan Sokolowski clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); 537cc9c60c9SJan Sokolowski } 538cc9c60c9SJan Sokolowski 539cc9c60c9SJan Sokolowski /** 540cc9c60c9SJan Sokolowski * ice_vf_set_initialized - VF is ready for VIRTCHNL communication 541cc9c60c9SJan Sokolowski * @vf: VF to set in initialized state 542cc9c60c9SJan Sokolowski * 543cc9c60c9SJan Sokolowski * After this function the VF will be ready to receive/handle the 544cc9c60c9SJan Sokolowski * VIRTCHNL_OP_GET_VF_RESOURCES message 545cc9c60c9SJan Sokolowski */ 546cc9c60c9SJan Sokolowski static void ice_vf_set_initialized(struct ice_vf *vf) 547cc9c60c9SJan Sokolowski { 548cc9c60c9SJan Sokolowski ice_set_vf_state_qs_dis(vf); 549cc9c60c9SJan Sokolowski clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); 550cc9c60c9SJan Sokolowski clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); 551cc9c60c9SJan Sokolowski clear_bit(ICE_VF_STATE_DIS, vf->vf_states); 552cc9c60c9SJan Sokolowski set_bit(ICE_VF_STATE_INIT, vf->vf_states); 553cc9c60c9SJan Sokolowski memset(&vf->vlan_v2_caps, 0, sizeof(vf->vlan_v2_caps)); 554cc9c60c9SJan Sokolowski } 555cc9c60c9SJan Sokolowski 556cc9c60c9SJan Sokolowski /** 557aeead3d0SJacob Keller * ice_vf_post_vsi_rebuild - Reset tasks that occur after VSI rebuild 558aeead3d0SJacob Keller * @vf: the VF being reset 559aeead3d0SJacob Keller * 560aeead3d0SJacob Keller * Perform reset tasks which must occur after the VSI has been re-created or 561aeead3d0SJacob Keller * rebuilt during a VF reset. 562aeead3d0SJacob Keller */ 563aeead3d0SJacob Keller static void ice_vf_post_vsi_rebuild(struct ice_vf *vf) 564aeead3d0SJacob Keller { 565aeead3d0SJacob Keller ice_vf_rebuild_host_cfg(vf); 566aeead3d0SJacob Keller ice_vf_set_initialized(vf); 567aeead3d0SJacob Keller 568aeead3d0SJacob Keller vf->vf_ops->post_vsi_rebuild(vf); 569aeead3d0SJacob Keller } 570aeead3d0SJacob Keller 571aeead3d0SJacob Keller /** 572d7393425SMichal Wilczynski * ice_is_any_vf_in_unicast_promisc - check if any VF(s) 573d7393425SMichal Wilczynski * are in unicast promiscuous mode 574109aba47SJacob Keller * @pf: PF structure for accessing VF(s) 575109aba47SJacob Keller * 576d7393425SMichal Wilczynski * Return false if no VF(s) are in unicast promiscuous mode, 577109aba47SJacob Keller * else return true 578109aba47SJacob Keller */ 579d7393425SMichal Wilczynski bool ice_is_any_vf_in_unicast_promisc(struct ice_pf *pf) 580109aba47SJacob Keller { 581109aba47SJacob Keller bool is_vf_promisc = false; 582109aba47SJacob Keller struct ice_vf *vf; 583109aba47SJacob Keller unsigned int bkt; 584109aba47SJacob Keller 585109aba47SJacob Keller rcu_read_lock(); 586109aba47SJacob Keller ice_for_each_vf_rcu(pf, bkt, vf) { 587109aba47SJacob Keller /* found a VF that has promiscuous mode configured */ 588d7393425SMichal Wilczynski if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) { 589109aba47SJacob Keller is_vf_promisc = true; 590109aba47SJacob Keller break; 591109aba47SJacob Keller } 592109aba47SJacob Keller } 593109aba47SJacob Keller rcu_read_unlock(); 594109aba47SJacob Keller 595109aba47SJacob Keller return is_vf_promisc; 596109aba47SJacob Keller } 597109aba47SJacob Keller 598109aba47SJacob Keller /** 599a419526dSMichal Wilczynski * ice_vf_get_promisc_masks - Calculate masks for promiscuous modes 600a419526dSMichal Wilczynski * @vf: the VF pointer 601a419526dSMichal Wilczynski * @vsi: the VSI to configure 602a419526dSMichal Wilczynski * @ucast_m: promiscuous mask to apply to unicast 603a419526dSMichal Wilczynski * @mcast_m: promiscuous mask to apply to multicast 604a419526dSMichal Wilczynski * 605a419526dSMichal Wilczynski * Decide which mask should be used for unicast and multicast filter, 606a419526dSMichal Wilczynski * based on presence of VLANs 607a419526dSMichal Wilczynski */ 608a419526dSMichal Wilczynski void 609a419526dSMichal Wilczynski ice_vf_get_promisc_masks(struct ice_vf *vf, struct ice_vsi *vsi, 610a419526dSMichal Wilczynski u8 *ucast_m, u8 *mcast_m) 611a419526dSMichal Wilczynski { 612a419526dSMichal Wilczynski if (ice_vf_is_port_vlan_ena(vf) || 613a419526dSMichal Wilczynski ice_vsi_has_non_zero_vlans(vsi)) { 614a419526dSMichal Wilczynski *mcast_m = ICE_MCAST_VLAN_PROMISC_BITS; 615a419526dSMichal Wilczynski *ucast_m = ICE_UCAST_VLAN_PROMISC_BITS; 616a419526dSMichal Wilczynski } else { 617a419526dSMichal Wilczynski *mcast_m = ICE_MCAST_PROMISC_BITS; 618a419526dSMichal Wilczynski *ucast_m = ICE_UCAST_PROMISC_BITS; 619a419526dSMichal Wilczynski } 620a419526dSMichal Wilczynski } 621a419526dSMichal Wilczynski 622a419526dSMichal Wilczynski /** 623a419526dSMichal Wilczynski * ice_vf_clear_all_promisc_modes - Clear promisc/allmulticast on VF VSI 624a419526dSMichal Wilczynski * @vf: the VF pointer 625a419526dSMichal Wilczynski * @vsi: the VSI to configure 626a419526dSMichal Wilczynski * 627a419526dSMichal Wilczynski * Clear all promiscuous/allmulticast filters for a VF 628a419526dSMichal Wilczynski */ 629a419526dSMichal Wilczynski static int 630a419526dSMichal Wilczynski ice_vf_clear_all_promisc_modes(struct ice_vf *vf, struct ice_vsi *vsi) 631a419526dSMichal Wilczynski { 632a419526dSMichal Wilczynski struct ice_pf *pf = vf->pf; 633a419526dSMichal Wilczynski u8 ucast_m, mcast_m; 634a419526dSMichal Wilczynski int ret = 0; 635a419526dSMichal Wilczynski 636a419526dSMichal Wilczynski ice_vf_get_promisc_masks(vf, vsi, &ucast_m, &mcast_m); 637a419526dSMichal Wilczynski if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) { 638a419526dSMichal Wilczynski if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) { 639a419526dSMichal Wilczynski if (ice_is_dflt_vsi_in_use(vsi->port_info)) 640a419526dSMichal Wilczynski ret = ice_clear_dflt_vsi(vsi); 641a419526dSMichal Wilczynski } else { 642a419526dSMichal Wilczynski ret = ice_vf_clear_vsi_promisc(vf, vsi, ucast_m); 643a419526dSMichal Wilczynski } 644a419526dSMichal Wilczynski 645a419526dSMichal Wilczynski if (ret) { 646a419526dSMichal Wilczynski dev_err(ice_pf_to_dev(vf->pf), "Disabling promiscuous mode failed\n"); 647a419526dSMichal Wilczynski } else { 648a419526dSMichal Wilczynski clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); 649a419526dSMichal Wilczynski dev_info(ice_pf_to_dev(vf->pf), "Disabling promiscuous mode succeeded\n"); 650a419526dSMichal Wilczynski } 651a419526dSMichal Wilczynski } 652a419526dSMichal Wilczynski 653a419526dSMichal Wilczynski if (test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) { 654a419526dSMichal Wilczynski ret = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m); 655a419526dSMichal Wilczynski if (ret) { 656a419526dSMichal Wilczynski dev_err(ice_pf_to_dev(vf->pf), "Disabling allmulticast mode failed\n"); 657a419526dSMichal Wilczynski } else { 658a419526dSMichal Wilczynski clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); 659a419526dSMichal Wilczynski dev_info(ice_pf_to_dev(vf->pf), "Disabling allmulticast mode succeeded\n"); 660a419526dSMichal Wilczynski } 661a419526dSMichal Wilczynski } 662a419526dSMichal Wilczynski return ret; 663a419526dSMichal Wilczynski } 664a419526dSMichal Wilczynski 665a419526dSMichal Wilczynski /** 666109aba47SJacob Keller * ice_vf_set_vsi_promisc - Enable promiscuous mode for a VF VSI 667109aba47SJacob Keller * @vf: the VF to configure 668109aba47SJacob Keller * @vsi: the VF's VSI 669109aba47SJacob Keller * @promisc_m: the promiscuous mode to enable 670109aba47SJacob Keller */ 671109aba47SJacob Keller int 672109aba47SJacob Keller ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m) 673109aba47SJacob Keller { 674109aba47SJacob Keller struct ice_hw *hw = &vsi->back->hw; 675109aba47SJacob Keller int status; 676109aba47SJacob Keller 677109aba47SJacob Keller if (ice_vf_is_port_vlan_ena(vf)) 678109aba47SJacob Keller status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m, 679109aba47SJacob Keller ice_vf_get_port_vlan_id(vf)); 680109aba47SJacob Keller else if (ice_vsi_has_non_zero_vlans(vsi)) 681109aba47SJacob Keller status = ice_fltr_set_vlan_vsi_promisc(hw, vsi, promisc_m); 682109aba47SJacob Keller else 683109aba47SJacob Keller status = ice_fltr_set_vsi_promisc(hw, vsi->idx, promisc_m, 0); 684109aba47SJacob Keller 685109aba47SJacob Keller if (status && status != -EEXIST) { 686109aba47SJacob Keller dev_err(ice_pf_to_dev(vsi->back), "enable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n", 687109aba47SJacob Keller vf->vf_id, status); 688109aba47SJacob Keller return status; 689109aba47SJacob Keller } 690109aba47SJacob Keller 691109aba47SJacob Keller return 0; 692109aba47SJacob Keller } 693109aba47SJacob Keller 694109aba47SJacob Keller /** 695109aba47SJacob Keller * ice_vf_clear_vsi_promisc - Disable promiscuous mode for a VF VSI 696109aba47SJacob Keller * @vf: the VF to configure 697109aba47SJacob Keller * @vsi: the VF's VSI 698109aba47SJacob Keller * @promisc_m: the promiscuous mode to disable 699109aba47SJacob Keller */ 700109aba47SJacob Keller int 701109aba47SJacob Keller ice_vf_clear_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m) 702109aba47SJacob Keller { 703109aba47SJacob Keller struct ice_hw *hw = &vsi->back->hw; 704109aba47SJacob Keller int status; 705109aba47SJacob Keller 706109aba47SJacob Keller if (ice_vf_is_port_vlan_ena(vf)) 707109aba47SJacob Keller status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m, 708109aba47SJacob Keller ice_vf_get_port_vlan_id(vf)); 709109aba47SJacob Keller else if (ice_vsi_has_non_zero_vlans(vsi)) 710109aba47SJacob Keller status = ice_fltr_clear_vlan_vsi_promisc(hw, vsi, promisc_m); 711109aba47SJacob Keller else 712109aba47SJacob Keller status = ice_fltr_clear_vsi_promisc(hw, vsi->idx, promisc_m, 0); 713109aba47SJacob Keller 714109aba47SJacob Keller if (status && status != -ENOENT) { 715109aba47SJacob Keller dev_err(ice_pf_to_dev(vsi->back), "disable Tx/Rx filter promiscuous mode on VF-%u failed, error: %d\n", 716109aba47SJacob Keller vf->vf_id, status); 717109aba47SJacob Keller return status; 718109aba47SJacob Keller } 719109aba47SJacob Keller 720109aba47SJacob Keller return 0; 721109aba47SJacob Keller } 722109aba47SJacob Keller 723109aba47SJacob Keller /** 72416686d7fSJacob Keller * ice_reset_all_vfs - reset all allocated VFs in one go 72516686d7fSJacob Keller * @pf: pointer to the PF structure 72616686d7fSJacob Keller * 72700be8197SJacob Keller * Reset all VFs at once, in response to a PF or other device reset. 72800be8197SJacob Keller * 72916686d7fSJacob Keller * First, tell the hardware to reset each VF, then do all the waiting in one 73016686d7fSJacob Keller * chunk, and finally finish restoring each VF after the wait. This is useful 73116686d7fSJacob Keller * during PF routines which need to reset all VFs, as otherwise it must perform 73216686d7fSJacob Keller * these resets in a serialized fashion. 73316686d7fSJacob Keller */ 734fe99d1c0SJacob Keller void ice_reset_all_vfs(struct ice_pf *pf) 73516686d7fSJacob Keller { 73616686d7fSJacob Keller struct device *dev = ice_pf_to_dev(pf); 73716686d7fSJacob Keller struct ice_hw *hw = &pf->hw; 73816686d7fSJacob Keller struct ice_vf *vf; 73916686d7fSJacob Keller unsigned int bkt; 74016686d7fSJacob Keller 74116686d7fSJacob Keller /* If we don't have any VFs, then there is nothing to reset */ 74216686d7fSJacob Keller if (!ice_has_vfs(pf)) 743fe99d1c0SJacob Keller return; 74416686d7fSJacob Keller 74516686d7fSJacob Keller mutex_lock(&pf->vfs.table_lock); 74616686d7fSJacob Keller 74716686d7fSJacob Keller /* clear all malicious info if the VFs are getting reset */ 74816686d7fSJacob Keller ice_for_each_vf(pf, bkt, vf) 7498cd8a6b1SJacob Keller ice_mbx_clear_malvf(&vf->mbx_info); 75016686d7fSJacob Keller 75116686d7fSJacob Keller /* If VFs have been disabled, there is no need to reset */ 75216686d7fSJacob Keller if (test_and_set_bit(ICE_VF_DIS, pf->state)) { 75316686d7fSJacob Keller mutex_unlock(&pf->vfs.table_lock); 754fe99d1c0SJacob Keller return; 75516686d7fSJacob Keller } 75616686d7fSJacob Keller 75716686d7fSJacob Keller /* Begin reset on all VFs at once */ 75816686d7fSJacob Keller ice_for_each_vf(pf, bkt, vf) 759dac57288SJacob Keller ice_trigger_vf_reset(vf, true, true); 76016686d7fSJacob Keller 76116686d7fSJacob Keller /* HW requires some time to make sure it can flush the FIFO for a VF 76216686d7fSJacob Keller * when it resets it. Now that we've triggered all of the VFs, iterate 76316686d7fSJacob Keller * the table again and wait for each VF to complete. 76416686d7fSJacob Keller */ 76516686d7fSJacob Keller ice_for_each_vf(pf, bkt, vf) { 76616686d7fSJacob Keller if (!vf->vf_ops->poll_reset_status(vf)) { 76716686d7fSJacob Keller /* Display a warning if at least one VF didn't manage 76816686d7fSJacob Keller * to reset in time, but continue on with the 76916686d7fSJacob Keller * operation. 77016686d7fSJacob Keller */ 77116686d7fSJacob Keller dev_warn(dev, "VF %u reset check timeout\n", vf->vf_id); 77216686d7fSJacob Keller break; 77316686d7fSJacob Keller } 77416686d7fSJacob Keller } 77516686d7fSJacob Keller 77616686d7fSJacob Keller /* free VF resources to begin resetting the VSI state */ 77716686d7fSJacob Keller ice_for_each_vf(pf, bkt, vf) { 77816686d7fSJacob Keller mutex_lock(&vf->cfg_lock); 77916686d7fSJacob Keller 78016686d7fSJacob Keller vf->driver_caps = 0; 78116686d7fSJacob Keller ice_vc_set_default_allowlist(vf); 78216686d7fSJacob Keller 78316686d7fSJacob Keller ice_vf_fdir_exit(vf); 78416686d7fSJacob Keller ice_vf_fdir_init(vf); 78516686d7fSJacob Keller /* clean VF control VSI when resetting VFs since it should be 78616686d7fSJacob Keller * setup only when VF creates its first FDIR rule. 78716686d7fSJacob Keller */ 78816686d7fSJacob Keller if (vf->ctrl_vsi_idx != ICE_NO_VSI) 78916686d7fSJacob Keller ice_vf_ctrl_invalidate_vsi(vf); 79016686d7fSJacob Keller 79116686d7fSJacob Keller ice_vf_pre_vsi_rebuild(vf); 79216686d7fSJacob Keller ice_vf_rebuild_vsi(vf); 793aeead3d0SJacob Keller ice_vf_post_vsi_rebuild(vf); 79416686d7fSJacob Keller 79516686d7fSJacob Keller mutex_unlock(&vf->cfg_lock); 79616686d7fSJacob Keller } 79716686d7fSJacob Keller 79816686d7fSJacob Keller if (ice_is_eswitch_mode_switchdev(pf)) 79916686d7fSJacob Keller if (ice_eswitch_rebuild(pf)) 80016686d7fSJacob Keller dev_warn(dev, "eswitch rebuild failed\n"); 80116686d7fSJacob Keller 80216686d7fSJacob Keller ice_flush(hw); 80316686d7fSJacob Keller clear_bit(ICE_VF_DIS, pf->state); 80416686d7fSJacob Keller 80516686d7fSJacob Keller mutex_unlock(&pf->vfs.table_lock); 80616686d7fSJacob Keller } 80716686d7fSJacob Keller 80816686d7fSJacob Keller /** 8099dbb33daSJacob Keller * ice_notify_vf_reset - Notify VF of a reset event 8109dbb33daSJacob Keller * @vf: pointer to the VF structure 8119dbb33daSJacob Keller */ 8129dbb33daSJacob Keller static void ice_notify_vf_reset(struct ice_vf *vf) 8139dbb33daSJacob Keller { 8149dbb33daSJacob Keller struct ice_hw *hw = &vf->pf->hw; 8159dbb33daSJacob Keller struct virtchnl_pf_event pfe; 8169dbb33daSJacob Keller 8179dbb33daSJacob Keller /* Bail out if VF is in disabled state, neither initialized, nor active 8189dbb33daSJacob Keller * state - otherwise proceed with notifications 8199dbb33daSJacob Keller */ 8209dbb33daSJacob Keller if ((!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && 8219dbb33daSJacob Keller !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) || 8229dbb33daSJacob Keller test_bit(ICE_VF_STATE_DIS, vf->vf_states)) 8239dbb33daSJacob Keller return; 8249dbb33daSJacob Keller 8259dbb33daSJacob Keller pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; 8269dbb33daSJacob Keller pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; 8279dbb33daSJacob Keller ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, 8289dbb33daSJacob Keller VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe), 8299dbb33daSJacob Keller NULL); 8309dbb33daSJacob Keller } 8319dbb33daSJacob Keller 8329dbb33daSJacob Keller /** 83316686d7fSJacob Keller * ice_reset_vf - Reset a particular VF 83416686d7fSJacob Keller * @vf: pointer to the VF structure 8357eb517e4SJacob Keller * @flags: flags controlling behavior of the reset 8367eb517e4SJacob Keller * 8377eb517e4SJacob Keller * Flags: 8387eb517e4SJacob Keller * ICE_VF_RESET_VFLR - Indicates a reset is due to VFLR event 8399dbb33daSJacob Keller * ICE_VF_RESET_NOTIFY - Send VF a notification prior to reset 840f5f085c0SJacob Keller * ICE_VF_RESET_LOCK - Acquire VF cfg_lock before resetting 84116686d7fSJacob Keller * 84219c3e1edSJacob Keller * Returns 0 if the VF is currently in reset, if resets are disabled, or if 84319c3e1edSJacob Keller * the VF resets successfully. Returns an error code if the VF fails to 8444fe193ccSJacob Keller * rebuild. 84516686d7fSJacob Keller */ 8467eb517e4SJacob Keller int ice_reset_vf(struct ice_vf *vf, u32 flags) 84716686d7fSJacob Keller { 84816686d7fSJacob Keller struct ice_pf *pf = vf->pf; 84916686d7fSJacob Keller struct ice_vsi *vsi; 85016686d7fSJacob Keller struct device *dev; 851f5f085c0SJacob Keller int err = 0; 85216686d7fSJacob Keller bool rsd; 85316686d7fSJacob Keller 85416686d7fSJacob Keller dev = ice_pf_to_dev(pf); 85516686d7fSJacob Keller 8569dbb33daSJacob Keller if (flags & ICE_VF_RESET_NOTIFY) 8579dbb33daSJacob Keller ice_notify_vf_reset(vf); 8589dbb33daSJacob Keller 85916686d7fSJacob Keller if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) { 86016686d7fSJacob Keller dev_dbg(dev, "Trying to reset VF %d, but all VF resets are disabled\n", 86116686d7fSJacob Keller vf->vf_id); 8624fe193ccSJacob Keller return 0; 86316686d7fSJacob Keller } 86416686d7fSJacob Keller 86516686d7fSJacob Keller if (ice_is_vf_disabled(vf)) { 866efe41860SPrzemyslaw Patynowski vsi = ice_get_vf_vsi(vf); 867cf90b743SMichal Jaron if (!vsi) { 868cf90b743SMichal Jaron dev_dbg(dev, "VF is already removed\n"); 869efe41860SPrzemyslaw Patynowski return -EINVAL; 870cf90b743SMichal Jaron } 871efe41860SPrzemyslaw Patynowski ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 872f23df522SNorbert Zulinski 873f23df522SNorbert Zulinski if (ice_vsi_is_rx_queue_active(vsi)) 874efe41860SPrzemyslaw Patynowski ice_vsi_stop_all_rx_rings(vsi); 875f23df522SNorbert Zulinski 87616686d7fSJacob Keller dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n", 87716686d7fSJacob Keller vf->vf_id); 8784fe193ccSJacob Keller return 0; 87916686d7fSJacob Keller } 88016686d7fSJacob Keller 881f5f085c0SJacob Keller if (flags & ICE_VF_RESET_LOCK) 882f5f085c0SJacob Keller mutex_lock(&vf->cfg_lock); 883f5f085c0SJacob Keller else 884f5f085c0SJacob Keller lockdep_assert_held(&vf->cfg_lock); 885f5f085c0SJacob Keller 88616686d7fSJacob Keller /* Set VF disable bit state here, before triggering reset */ 88716686d7fSJacob Keller set_bit(ICE_VF_STATE_DIS, vf->vf_states); 8887eb517e4SJacob Keller ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false); 88916686d7fSJacob Keller 89016686d7fSJacob Keller vsi = ice_get_vf_vsi(vf); 891baeb705fSJacob Keller if (WARN_ON(!vsi)) { 892baeb705fSJacob Keller err = -EIO; 893baeb705fSJacob Keller goto out_unlock; 894baeb705fSJacob Keller } 89516686d7fSJacob Keller 89616686d7fSJacob Keller ice_dis_vf_qs(vf); 89716686d7fSJacob Keller 89816686d7fSJacob Keller /* Call Disable LAN Tx queue AQ whether or not queues are 89916686d7fSJacob Keller * enabled. This is needed for successful completion of VFR. 90016686d7fSJacob Keller */ 90116686d7fSJacob Keller ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL, 90216686d7fSJacob Keller NULL, vf->vf_ops->reset_type, vf->vf_id, NULL); 90316686d7fSJacob Keller 90416686d7fSJacob Keller /* poll VPGEN_VFRSTAT reg to make sure 90516686d7fSJacob Keller * that reset is complete 90616686d7fSJacob Keller */ 90716686d7fSJacob Keller rsd = vf->vf_ops->poll_reset_status(vf); 90816686d7fSJacob Keller 90916686d7fSJacob Keller /* Display a warning if VF didn't manage to reset in time, but need to 91016686d7fSJacob Keller * continue on with the operation. 91116686d7fSJacob Keller */ 91216686d7fSJacob Keller if (!rsd) 91316686d7fSJacob Keller dev_warn(dev, "VF reset check timeout on VF %d\n", vf->vf_id); 91416686d7fSJacob Keller 91516686d7fSJacob Keller vf->driver_caps = 0; 91616686d7fSJacob Keller ice_vc_set_default_allowlist(vf); 91716686d7fSJacob Keller 91816686d7fSJacob Keller /* disable promiscuous modes in case they were enabled 91916686d7fSJacob Keller * ignore any error if disabling process failed 92016686d7fSJacob Keller */ 921a419526dSMichal Wilczynski ice_vf_clear_all_promisc_modes(vf, vsi); 92216686d7fSJacob Keller 92316686d7fSJacob Keller ice_vf_fdir_exit(vf); 92416686d7fSJacob Keller ice_vf_fdir_init(vf); 92516686d7fSJacob Keller /* clean VF control VSI when resetting VF since it should be setup 92616686d7fSJacob Keller * only when VF creates its first FDIR rule. 92716686d7fSJacob Keller */ 92816686d7fSJacob Keller if (vf->ctrl_vsi_idx != ICE_NO_VSI) 92916686d7fSJacob Keller ice_vf_ctrl_vsi_release(vf); 93016686d7fSJacob Keller 93116686d7fSJacob Keller ice_vf_pre_vsi_rebuild(vf); 93216686d7fSJacob Keller 9335531bb85SJacob Keller if (ice_vf_recreate_vsi(vf)) { 93416686d7fSJacob Keller dev_err(dev, "Failed to release and setup the VF%u's VSI\n", 93516686d7fSJacob Keller vf->vf_id); 936f5f085c0SJacob Keller err = -EFAULT; 937f5f085c0SJacob Keller goto out_unlock; 93816686d7fSJacob Keller } 93916686d7fSJacob Keller 940aeead3d0SJacob Keller ice_vf_post_vsi_rebuild(vf); 94116686d7fSJacob Keller vsi = ice_get_vf_vsi(vf); 942baeb705fSJacob Keller if (WARN_ON(!vsi)) { 943baeb705fSJacob Keller err = -EINVAL; 944baeb705fSJacob Keller goto out_unlock; 945baeb705fSJacob Keller } 946baeb705fSJacob Keller 94716686d7fSJacob Keller ice_eswitch_update_repr(vsi); 94816686d7fSJacob Keller 94916686d7fSJacob Keller /* if the VF has been reset allow it to come up again */ 9508cd8a6b1SJacob Keller ice_mbx_clear_malvf(&vf->mbx_info); 95116686d7fSJacob Keller 952f5f085c0SJacob Keller out_unlock: 953f5f085c0SJacob Keller if (flags & ICE_VF_RESET_LOCK) 954f5f085c0SJacob Keller mutex_unlock(&vf->cfg_lock); 955f5f085c0SJacob Keller 956f5f085c0SJacob Keller return err; 95716686d7fSJacob Keller } 95816686d7fSJacob Keller 95916686d7fSJacob Keller /** 960fa4a15c8SJacob Keller * ice_set_vf_state_dis - Set VF state to disabled 961fa4a15c8SJacob Keller * @vf: pointer to the VF structure 962fa4a15c8SJacob Keller */ 963fa4a15c8SJacob Keller void ice_set_vf_state_dis(struct ice_vf *vf) 964fa4a15c8SJacob Keller { 965fa4a15c8SJacob Keller ice_set_vf_state_qs_dis(vf); 966fa4a15c8SJacob Keller vf->vf_ops->clear_reset_state(vf); 967fa4a15c8SJacob Keller } 968fa4a15c8SJacob Keller 969109aba47SJacob Keller /* Private functions only accessed from other virtualization files */ 970109aba47SJacob Keller 971109aba47SJacob Keller /** 972b5dcff1fSJacob Keller * ice_initialize_vf_entry - Initialize a VF entry 973b5dcff1fSJacob Keller * @vf: pointer to the VF structure 974b5dcff1fSJacob Keller */ 975b5dcff1fSJacob Keller void ice_initialize_vf_entry(struct ice_vf *vf) 976b5dcff1fSJacob Keller { 977b5dcff1fSJacob Keller struct ice_pf *pf = vf->pf; 978b5dcff1fSJacob Keller struct ice_vfs *vfs; 979b5dcff1fSJacob Keller 980b5dcff1fSJacob Keller vfs = &pf->vfs; 981b5dcff1fSJacob Keller 982b5dcff1fSJacob Keller /* assign default capabilities */ 983b5dcff1fSJacob Keller vf->spoofchk = true; 984b5dcff1fSJacob Keller vf->num_vf_qs = vfs->num_qps_per; 985b5dcff1fSJacob Keller ice_vc_set_default_allowlist(vf); 986b5dcff1fSJacob Keller ice_virtchnl_set_dflt_ops(vf); 987b5dcff1fSJacob Keller 988b5dcff1fSJacob Keller /* ctrl_vsi_idx will be set to a valid value only when iAVF 989b5dcff1fSJacob Keller * creates its first fdir rule. 990b5dcff1fSJacob Keller */ 991b5dcff1fSJacob Keller ice_vf_ctrl_invalidate_vsi(vf); 992b5dcff1fSJacob Keller ice_vf_fdir_init(vf); 993b5dcff1fSJacob Keller 994e4eaf893SJacob Keller /* Initialize mailbox info for this VF */ 995e4eaf893SJacob Keller ice_mbx_init_vf_info(&pf->hw, &vf->mbx_info); 996e4eaf893SJacob Keller 997b5dcff1fSJacob Keller mutex_init(&vf->cfg_lock); 998b5dcff1fSJacob Keller } 999b5dcff1fSJacob Keller 1000b5dcff1fSJacob Keller /** 1001109aba47SJacob Keller * ice_dis_vf_qs - Disable the VF queues 1002109aba47SJacob Keller * @vf: pointer to the VF structure 1003109aba47SJacob Keller */ 1004109aba47SJacob Keller void ice_dis_vf_qs(struct ice_vf *vf) 1005109aba47SJacob Keller { 1006109aba47SJacob Keller struct ice_vsi *vsi = ice_get_vf_vsi(vf); 1007109aba47SJacob Keller 1008baeb705fSJacob Keller if (WARN_ON(!vsi)) 1009baeb705fSJacob Keller return; 1010baeb705fSJacob Keller 1011109aba47SJacob Keller ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); 1012109aba47SJacob Keller ice_vsi_stop_all_rx_rings(vsi); 1013109aba47SJacob Keller ice_set_vf_state_qs_dis(vf); 1014109aba47SJacob Keller } 1015109aba47SJacob Keller 1016109aba47SJacob Keller /** 1017e384cf35SMd Fahad Iqbal Polash * ice_err_to_virt_err - translate errors for VF return code 1018e384cf35SMd Fahad Iqbal Polash * @err: error return code 1019e384cf35SMd Fahad Iqbal Polash */ 1020e384cf35SMd Fahad Iqbal Polash enum virtchnl_status_code ice_err_to_virt_err(int err) 1021e384cf35SMd Fahad Iqbal Polash { 1022e384cf35SMd Fahad Iqbal Polash switch (err) { 1023e384cf35SMd Fahad Iqbal Polash case 0: 1024e384cf35SMd Fahad Iqbal Polash return VIRTCHNL_STATUS_SUCCESS; 1025e384cf35SMd Fahad Iqbal Polash case -EINVAL: 1026e384cf35SMd Fahad Iqbal Polash case -ENODEV: 1027e384cf35SMd Fahad Iqbal Polash return VIRTCHNL_STATUS_ERR_PARAM; 1028e384cf35SMd Fahad Iqbal Polash case -ENOMEM: 1029e384cf35SMd Fahad Iqbal Polash return VIRTCHNL_STATUS_ERR_NO_MEMORY; 1030e384cf35SMd Fahad Iqbal Polash case -EALREADY: 1031e384cf35SMd Fahad Iqbal Polash case -EBUSY: 1032e384cf35SMd Fahad Iqbal Polash case -EIO: 1033e384cf35SMd Fahad Iqbal Polash case -ENOSPC: 1034e384cf35SMd Fahad Iqbal Polash return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 1035e384cf35SMd Fahad Iqbal Polash default: 1036e384cf35SMd Fahad Iqbal Polash return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; 1037e384cf35SMd Fahad Iqbal Polash } 1038e384cf35SMd Fahad Iqbal Polash } 1039e384cf35SMd Fahad Iqbal Polash 1040e384cf35SMd Fahad Iqbal Polash /** 1041109aba47SJacob Keller * ice_check_vf_init - helper to check if VF init complete 1042109aba47SJacob Keller * @vf: the pointer to the VF to check 1043109aba47SJacob Keller */ 10445a57ee83SJacob Keller int ice_check_vf_init(struct ice_vf *vf) 1045109aba47SJacob Keller { 10465a57ee83SJacob Keller struct ice_pf *pf = vf->pf; 10475a57ee83SJacob Keller 1048109aba47SJacob Keller if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) { 1049109aba47SJacob Keller dev_err(ice_pf_to_dev(pf), "VF ID: %u in reset. Try again.\n", 1050109aba47SJacob Keller vf->vf_id); 1051109aba47SJacob Keller return -EBUSY; 1052109aba47SJacob Keller } 1053109aba47SJacob Keller return 0; 1054109aba47SJacob Keller } 1055109aba47SJacob Keller 1056109aba47SJacob Keller /** 1057109aba47SJacob Keller * ice_vf_get_port_info - Get the VF's port info structure 1058109aba47SJacob Keller * @vf: VF used to get the port info structure for 1059109aba47SJacob Keller */ 1060109aba47SJacob Keller struct ice_port_info *ice_vf_get_port_info(struct ice_vf *vf) 1061109aba47SJacob Keller { 1062109aba47SJacob Keller return vf->pf->hw.port_info; 1063109aba47SJacob Keller } 1064109aba47SJacob Keller 106571c114e8SJacob Keller /** 106671c114e8SJacob Keller * ice_cfg_mac_antispoof - Configure MAC antispoof checking behavior 106771c114e8SJacob Keller * @vsi: the VSI to configure 106871c114e8SJacob Keller * @enable: whether to enable or disable the spoof checking 106971c114e8SJacob Keller * 107071c114e8SJacob Keller * Configure a VSI to enable (or disable) spoof checking behavior. 107171c114e8SJacob Keller */ 1072109aba47SJacob Keller static int ice_cfg_mac_antispoof(struct ice_vsi *vsi, bool enable) 1073109aba47SJacob Keller { 1074109aba47SJacob Keller struct ice_vsi_ctx *ctx; 1075109aba47SJacob Keller int err; 1076109aba47SJacob Keller 1077109aba47SJacob Keller ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 1078109aba47SJacob Keller if (!ctx) 1079109aba47SJacob Keller return -ENOMEM; 1080109aba47SJacob Keller 1081109aba47SJacob Keller ctx->info.sec_flags = vsi->info.sec_flags; 1082109aba47SJacob Keller ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 1083109aba47SJacob Keller 1084109aba47SJacob Keller if (enable) 1085109aba47SJacob Keller ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 1086109aba47SJacob Keller else 1087109aba47SJacob Keller ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 1088109aba47SJacob Keller 1089109aba47SJacob Keller err = ice_update_vsi(&vsi->back->hw, vsi->idx, ctx, NULL); 1090109aba47SJacob Keller if (err) 1091109aba47SJacob Keller dev_err(ice_pf_to_dev(vsi->back), "Failed to configure Tx MAC anti-spoof %s for VSI %d, error %d\n", 1092109aba47SJacob Keller enable ? "ON" : "OFF", vsi->vsi_num, err); 1093109aba47SJacob Keller else 1094109aba47SJacob Keller vsi->info.sec_flags = ctx->info.sec_flags; 1095109aba47SJacob Keller 1096109aba47SJacob Keller kfree(ctx); 1097109aba47SJacob Keller 1098109aba47SJacob Keller return err; 1099109aba47SJacob Keller } 1100109aba47SJacob Keller 1101109aba47SJacob Keller /** 1102109aba47SJacob Keller * ice_vsi_ena_spoofchk - enable Tx spoof checking for this VSI 1103109aba47SJacob Keller * @vsi: VSI to enable Tx spoof checking for 1104109aba47SJacob Keller */ 1105109aba47SJacob Keller static int ice_vsi_ena_spoofchk(struct ice_vsi *vsi) 1106109aba47SJacob Keller { 1107109aba47SJacob Keller struct ice_vsi_vlan_ops *vlan_ops; 1108664d4646SSylwester Dziedziuch int err = 0; 1109109aba47SJacob Keller 1110109aba47SJacob Keller vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1111109aba47SJacob Keller 1112664d4646SSylwester Dziedziuch /* Allow VF with VLAN 0 only to send all tagged traffic */ 1113664d4646SSylwester Dziedziuch if (vsi->type != ICE_VSI_VF || ice_vsi_has_non_zero_vlans(vsi)) { 1114109aba47SJacob Keller err = vlan_ops->ena_tx_filtering(vsi); 1115109aba47SJacob Keller if (err) 1116109aba47SJacob Keller return err; 1117664d4646SSylwester Dziedziuch } 1118109aba47SJacob Keller 1119109aba47SJacob Keller return ice_cfg_mac_antispoof(vsi, true); 1120109aba47SJacob Keller } 1121109aba47SJacob Keller 1122109aba47SJacob Keller /** 1123109aba47SJacob Keller * ice_vsi_dis_spoofchk - disable Tx spoof checking for this VSI 1124109aba47SJacob Keller * @vsi: VSI to disable Tx spoof checking for 1125109aba47SJacob Keller */ 1126109aba47SJacob Keller static int ice_vsi_dis_spoofchk(struct ice_vsi *vsi) 1127109aba47SJacob Keller { 1128109aba47SJacob Keller struct ice_vsi_vlan_ops *vlan_ops; 1129109aba47SJacob Keller int err; 1130109aba47SJacob Keller 1131109aba47SJacob Keller vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1132109aba47SJacob Keller 1133109aba47SJacob Keller err = vlan_ops->dis_tx_filtering(vsi); 1134109aba47SJacob Keller if (err) 1135109aba47SJacob Keller return err; 1136109aba47SJacob Keller 1137109aba47SJacob Keller return ice_cfg_mac_antispoof(vsi, false); 1138109aba47SJacob Keller } 1139109aba47SJacob Keller 1140109aba47SJacob Keller /** 1141109aba47SJacob Keller * ice_vsi_apply_spoofchk - Apply Tx spoof checking setting to a VSI 1142109aba47SJacob Keller * @vsi: VSI associated to the VF 1143109aba47SJacob Keller * @enable: whether to enable or disable the spoof checking 1144109aba47SJacob Keller */ 1145109aba47SJacob Keller int ice_vsi_apply_spoofchk(struct ice_vsi *vsi, bool enable) 1146109aba47SJacob Keller { 1147109aba47SJacob Keller int err; 1148109aba47SJacob Keller 1149109aba47SJacob Keller if (enable) 1150109aba47SJacob Keller err = ice_vsi_ena_spoofchk(vsi); 1151109aba47SJacob Keller else 1152109aba47SJacob Keller err = ice_vsi_dis_spoofchk(vsi); 1153109aba47SJacob Keller 1154109aba47SJacob Keller return err; 1155109aba47SJacob Keller } 1156109aba47SJacob Keller 1157109aba47SJacob Keller /** 1158109aba47SJacob Keller * ice_is_vf_trusted 1159109aba47SJacob Keller * @vf: pointer to the VF info 1160109aba47SJacob Keller */ 1161109aba47SJacob Keller bool ice_is_vf_trusted(struct ice_vf *vf) 1162109aba47SJacob Keller { 1163109aba47SJacob Keller return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); 1164109aba47SJacob Keller } 1165109aba47SJacob Keller 1166109aba47SJacob Keller /** 1167109aba47SJacob Keller * ice_vf_has_no_qs_ena - check if the VF has any Rx or Tx queues enabled 1168109aba47SJacob Keller * @vf: the VF to check 1169109aba47SJacob Keller * 1170109aba47SJacob Keller * Returns true if the VF has no Rx and no Tx queues enabled and returns false 1171109aba47SJacob Keller * otherwise 1172109aba47SJacob Keller */ 1173109aba47SJacob Keller bool ice_vf_has_no_qs_ena(struct ice_vf *vf) 1174109aba47SJacob Keller { 1175109aba47SJacob Keller return (!bitmap_weight(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF) && 1176109aba47SJacob Keller !bitmap_weight(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF)); 1177109aba47SJacob Keller } 1178109aba47SJacob Keller 1179109aba47SJacob Keller /** 1180109aba47SJacob Keller * ice_is_vf_link_up - check if the VF's link is up 1181109aba47SJacob Keller * @vf: VF to check if link is up 1182109aba47SJacob Keller */ 1183109aba47SJacob Keller bool ice_is_vf_link_up(struct ice_vf *vf) 1184109aba47SJacob Keller { 11855a57ee83SJacob Keller struct ice_port_info *pi = ice_vf_get_port_info(vf); 1186109aba47SJacob Keller 11875a57ee83SJacob Keller if (ice_check_vf_init(vf)) 1188109aba47SJacob Keller return false; 1189109aba47SJacob Keller 1190109aba47SJacob Keller if (ice_vf_has_no_qs_ena(vf)) 1191109aba47SJacob Keller return false; 1192109aba47SJacob Keller else if (vf->link_forced) 1193109aba47SJacob Keller return vf->link_up; 1194109aba47SJacob Keller else 11955a57ee83SJacob Keller return pi->phy.link_info.link_info & 1196109aba47SJacob Keller ICE_AQ_LINK_UP; 1197109aba47SJacob Keller } 1198109aba47SJacob Keller 1199109aba47SJacob Keller /** 1200109aba47SJacob Keller * ice_vf_ctrl_invalidate_vsi - invalidate ctrl_vsi_idx to remove VSI access 1201109aba47SJacob Keller * @vf: VF that control VSI is being invalidated on 1202109aba47SJacob Keller */ 1203109aba47SJacob Keller void ice_vf_ctrl_invalidate_vsi(struct ice_vf *vf) 1204109aba47SJacob Keller { 1205109aba47SJacob Keller vf->ctrl_vsi_idx = ICE_NO_VSI; 1206109aba47SJacob Keller } 1207109aba47SJacob Keller 1208109aba47SJacob Keller /** 1209109aba47SJacob Keller * ice_vf_ctrl_vsi_release - invalidate the VF's control VSI after freeing it 1210109aba47SJacob Keller * @vf: VF that control VSI is being released on 1211109aba47SJacob Keller */ 1212109aba47SJacob Keller void ice_vf_ctrl_vsi_release(struct ice_vf *vf) 1213109aba47SJacob Keller { 1214109aba47SJacob Keller ice_vsi_release(vf->pf->vsi[vf->ctrl_vsi_idx]); 1215109aba47SJacob Keller ice_vf_ctrl_invalidate_vsi(vf); 1216109aba47SJacob Keller } 1217109aba47SJacob Keller 1218109aba47SJacob Keller /** 1219109aba47SJacob Keller * ice_vf_ctrl_vsi_setup - Set up a VF control VSI 1220109aba47SJacob Keller * @vf: VF to setup control VSI for 1221109aba47SJacob Keller * 1222109aba47SJacob Keller * Returns pointer to the successfully allocated VSI struct on success, 1223109aba47SJacob Keller * otherwise returns NULL on failure. 1224109aba47SJacob Keller */ 1225109aba47SJacob Keller struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf) 1226109aba47SJacob Keller { 12275e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 1228109aba47SJacob Keller struct ice_pf *pf = vf->pf; 1229109aba47SJacob Keller struct ice_vsi *vsi; 1230109aba47SJacob Keller 12315e509ab2SJacob Keller params.type = ICE_VSI_CTRL; 12325e509ab2SJacob Keller params.pi = ice_vf_get_port_info(vf); 12335e509ab2SJacob Keller params.vf = vf; 12345e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 12355e509ab2SJacob Keller 12365e509ab2SJacob Keller vsi = ice_vsi_setup(pf, ¶ms); 1237109aba47SJacob Keller if (!vsi) { 1238109aba47SJacob Keller dev_err(ice_pf_to_dev(pf), "Failed to create VF control VSI\n"); 1239109aba47SJacob Keller ice_vf_ctrl_invalidate_vsi(vf); 1240109aba47SJacob Keller } 1241109aba47SJacob Keller 1242109aba47SJacob Keller return vsi; 1243109aba47SJacob Keller } 1244109aba47SJacob Keller 1245109aba47SJacob Keller /** 1246b1b56942SJacob Keller * ice_vf_init_host_cfg - Initialize host admin configuration 1247b1b56942SJacob Keller * @vf: VF to initialize 1248b1b56942SJacob Keller * @vsi: the VSI created at initialization 1249b1b56942SJacob Keller * 1250b1b56942SJacob Keller * Initialize the VF host configuration. Called during VF creation to setup 1251b1b56942SJacob Keller * VLAN 0, add the VF VSI broadcast filter, and setup spoof checking. It 1252b1b56942SJacob Keller * should only be called during VF creation. 1253b1b56942SJacob Keller */ 1254b1b56942SJacob Keller int ice_vf_init_host_cfg(struct ice_vf *vf, struct ice_vsi *vsi) 1255b1b56942SJacob Keller { 1256b1b56942SJacob Keller struct ice_vsi_vlan_ops *vlan_ops; 1257b1b56942SJacob Keller struct ice_pf *pf = vf->pf; 1258b1b56942SJacob Keller u8 broadcast[ETH_ALEN]; 1259b1b56942SJacob Keller struct device *dev; 1260b1b56942SJacob Keller int err; 1261b1b56942SJacob Keller 1262b1b56942SJacob Keller dev = ice_pf_to_dev(pf); 1263b1b56942SJacob Keller 1264b1b56942SJacob Keller err = ice_vsi_add_vlan_zero(vsi); 1265b1b56942SJacob Keller if (err) { 1266b1b56942SJacob Keller dev_warn(dev, "Failed to add VLAN 0 filter for VF %d\n", 1267b1b56942SJacob Keller vf->vf_id); 1268b1b56942SJacob Keller return err; 1269b1b56942SJacob Keller } 1270b1b56942SJacob Keller 1271b1b56942SJacob Keller vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1272b1b56942SJacob Keller err = vlan_ops->ena_rx_filtering(vsi); 1273b1b56942SJacob Keller if (err) { 1274b1b56942SJacob Keller dev_warn(dev, "Failed to enable Rx VLAN filtering for VF %d\n", 1275b1b56942SJacob Keller vf->vf_id); 1276b1b56942SJacob Keller return err; 1277b1b56942SJacob Keller } 1278b1b56942SJacob Keller 1279b1b56942SJacob Keller eth_broadcast_addr(broadcast); 1280b1b56942SJacob Keller err = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI); 1281b1b56942SJacob Keller if (err) { 1282b1b56942SJacob Keller dev_err(dev, "Failed to add broadcast MAC filter for VF %d, status %d\n", 1283b1b56942SJacob Keller vf->vf_id, err); 1284b1b56942SJacob Keller return err; 1285b1b56942SJacob Keller } 1286b1b56942SJacob Keller 1287b1b56942SJacob Keller vf->num_mac = 1; 1288b1b56942SJacob Keller 1289b1b56942SJacob Keller err = ice_vsi_apply_spoofchk(vsi, vf->spoofchk); 1290b1b56942SJacob Keller if (err) { 1291b1b56942SJacob Keller dev_warn(dev, "Failed to initialize spoofchk setting for VF %d\n", 1292b1b56942SJacob Keller vf->vf_id); 1293b1b56942SJacob Keller return err; 1294b1b56942SJacob Keller } 1295b1b56942SJacob Keller 1296b1b56942SJacob Keller return 0; 1297b1b56942SJacob Keller } 1298b1b56942SJacob Keller 1299b1b56942SJacob Keller /** 1300109aba47SJacob Keller * ice_vf_invalidate_vsi - invalidate vsi_idx/vsi_num to remove VSI access 1301109aba47SJacob Keller * @vf: VF to remove access to VSI for 1302109aba47SJacob Keller */ 1303109aba47SJacob Keller void ice_vf_invalidate_vsi(struct ice_vf *vf) 1304109aba47SJacob Keller { 1305109aba47SJacob Keller vf->lan_vsi_idx = ICE_NO_VSI; 1306109aba47SJacob Keller vf->lan_vsi_num = ICE_NO_VSI; 1307109aba47SJacob Keller } 1308109aba47SJacob Keller 1309109aba47SJacob Keller /** 13101efee073SJacob Keller * ice_vf_vsi_release - Release the VF VSI and invalidate indexes 13111efee073SJacob Keller * @vf: pointer to the VF structure 13121efee073SJacob Keller * 13131efee073SJacob Keller * Release the VF associated with this VSI and then invalidate the VSI 13141efee073SJacob Keller * indexes. 13151efee073SJacob Keller */ 13161efee073SJacob Keller void ice_vf_vsi_release(struct ice_vf *vf) 13171efee073SJacob Keller { 13181efee073SJacob Keller struct ice_vsi *vsi = ice_get_vf_vsi(vf); 13191efee073SJacob Keller 13201efee073SJacob Keller if (WARN_ON(!vsi)) 13211efee073SJacob Keller return; 13221efee073SJacob Keller 13231efee073SJacob Keller ice_vsi_release(vsi); 13241efee073SJacob Keller ice_vf_invalidate_vsi(vf); 13251efee073SJacob Keller } 13261efee073SJacob Keller 13271efee073SJacob Keller /** 1328369bb5a2SPiotr Raczynski * ice_get_vf_ctrl_vsi - Get first VF control VSI pointer 1329369bb5a2SPiotr Raczynski * @pf: the PF private structure 1330369bb5a2SPiotr Raczynski * @vsi: pointer to the VSI 1331369bb5a2SPiotr Raczynski * 1332369bb5a2SPiotr Raczynski * Return first found VF control VSI other than the vsi 1333369bb5a2SPiotr Raczynski * passed by parameter. This function is used to determine 1334369bb5a2SPiotr Raczynski * whether new resources have to be allocated for control VSI 1335369bb5a2SPiotr Raczynski * or they can be shared with existing one. 1336369bb5a2SPiotr Raczynski * 1337369bb5a2SPiotr Raczynski * Return found VF control VSI pointer other itself. Return 1338369bb5a2SPiotr Raczynski * NULL Otherwise. 1339369bb5a2SPiotr Raczynski * 1340369bb5a2SPiotr Raczynski */ 1341369bb5a2SPiotr Raczynski struct ice_vsi *ice_get_vf_ctrl_vsi(struct ice_pf *pf, struct ice_vsi *vsi) 1342369bb5a2SPiotr Raczynski { 1343369bb5a2SPiotr Raczynski struct ice_vsi *ctrl_vsi = NULL; 1344369bb5a2SPiotr Raczynski struct ice_vf *vf; 1345369bb5a2SPiotr Raczynski unsigned int bkt; 1346369bb5a2SPiotr Raczynski 1347369bb5a2SPiotr Raczynski rcu_read_lock(); 1348369bb5a2SPiotr Raczynski ice_for_each_vf_rcu(pf, bkt, vf) { 1349369bb5a2SPiotr Raczynski if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) { 1350369bb5a2SPiotr Raczynski ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; 1351369bb5a2SPiotr Raczynski break; 1352369bb5a2SPiotr Raczynski } 1353369bb5a2SPiotr Raczynski } 1354369bb5a2SPiotr Raczynski 1355369bb5a2SPiotr Raczynski rcu_read_unlock(); 1356369bb5a2SPiotr Raczynski return ctrl_vsi; 1357369bb5a2SPiotr Raczynski } 1358