diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 596 |
1 files changed, 275 insertions, 321 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 53256aca27c7..b897926f817d 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -8,6 +8,7 @@ #include "ice_fltr.h" #include "ice_dcb_lib.h" #include "ice_devlink.h" +#include "ice_vsi_vlan_ops.h" /** * ice_vsi_type_str - maps VSI type enum to string equivalents @@ -165,21 +166,19 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi) /** * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI * @vsi: the VSI being configured - * @vf_id: ID of the VF being configured + * @vf: the VF associated with this VSI, if any * * Return 0 on success and a negative value on error */ -static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) +static void ice_vsi_set_num_qs(struct ice_vsi *vsi, struct ice_vf *vf) { + enum ice_vsi_type vsi_type = vsi->type; struct ice_pf *pf = vsi->back; - struct ice_vf *vf = NULL; - if (vsi->type == ICE_VSI_VF) - vsi->vf_id = vf_id; - else - vsi->vf_id = ICE_INVAL_VFID; + if (WARN_ON(vsi_type == ICE_VSI_VF && !vf)) + return; - switch (vsi->type) { + switch (vsi_type) { case ICE_VSI_PF: if (vsi->req_txq) { vsi->alloc_txq = vsi->req_txq; @@ -216,22 +215,21 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) /* The number of queues for ctrl VSI is equal to number of VFs. * Each ring is associated to the corresponding VF_PR netdev. */ - vsi->alloc_txq = pf->num_alloc_vfs; - vsi->alloc_rxq = pf->num_alloc_vfs; + vsi->alloc_txq = ice_get_num_vfs(pf); + vsi->alloc_rxq = vsi->alloc_txq; vsi->num_q_vectors = 1; break; case ICE_VSI_VF: - vf = &pf->vf[vsi->vf_id]; if (vf->num_req_qs) vf->num_vf_qs = vf->num_req_qs; vsi->alloc_txq = vf->num_vf_qs; vsi->alloc_rxq = vf->num_vf_qs; - /* pf->num_msix_per_vf includes (VF miscellaneous vector + + /* pf->vfs.num_msix_per includes (VF miscellaneous vector + * data queue interrupts). Since vsi->num_q_vectors is number * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the * original vector count */ - vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF; + vsi->num_q_vectors = pf->vfs.num_msix_per - ICE_NONQ_VECS_VF; break; case ICE_VSI_CTRL: vsi->alloc_txq = 1; @@ -247,7 +245,7 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) vsi->alloc_rxq = 1; break; default: - dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi->type); + dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi_type); break; } @@ -298,7 +296,7 @@ void ice_vsi_delete(struct ice_vsi *vsi) return; if (vsi->type == ICE_VSI_VF) - ctxt->vf_num = vsi->vf_id; + ctxt->vf_num = vsi->vf->vf_id; ctxt->vsi_num = vsi->vsi_num; memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); @@ -383,8 +381,7 @@ int ice_vsi_clear(struct ice_vsi *vsi) pf->vsi[vsi->idx] = NULL; if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL) pf->next_vsi = vsi->idx; - if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && - vsi->vf_id != ICE_INVAL_VFID) + if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && vsi->vf) pf->next_vsi = vsi->idx; ice_vsi_free_arrays(vsi); @@ -436,13 +433,16 @@ static irqreturn_t ice_eswitch_msix_clean_rings(int __always_unused irq, void *d { struct ice_q_vector *q_vector = (struct ice_q_vector *)data; struct ice_pf *pf = q_vector->vsi->back; - int i; + struct ice_vf *vf; + unsigned int bkt; if (!q_vector->tx.tx_ring && !q_vector->rx.rx_ring) return IRQ_HANDLED; - ice_for_each_vf(pf, i) - napi_schedule(&pf->vf[i].repr->q_vector->napi); + rcu_read_lock(); + ice_for_each_vf_rcu(pf, bkt, vf) + napi_schedule(&vf->repr->q_vector->napi); + rcu_read_unlock(); return IRQ_HANDLED; } @@ -452,17 +452,24 @@ static irqreturn_t ice_eswitch_msix_clean_rings(int __always_unused irq, void *d * @pf: board private structure * @vsi_type: type of VSI * @ch: ptr to channel - * @vf_id: ID of the VF being configured + * @vf: VF for ICE_VSI_VF and ICE_VSI_CTRL + * + * The VF pointer is used for ICE_VSI_VF and ICE_VSI_CTRL. For ICE_VSI_CTRL, + * it may be NULL in the case there is no association with a VF. For + * ICE_VSI_VF the VF pointer *must not* be NULL. * * returns a pointer to a VSI on success, NULL on failure. */ static struct ice_vsi * ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, - struct ice_channel *ch, u16 vf_id) + struct ice_channel *ch, struct ice_vf *vf) { struct device *dev = ice_pf_to_dev(pf); struct ice_vsi *vsi = NULL; + if (WARN_ON(vsi_type == ICE_VSI_VF && !vf)) + return NULL; + /* Need to protect the allocation of the VSIs at the PF level */ mutex_lock(&pf->sw_mutex); @@ -484,9 +491,9 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, set_bit(ICE_VSI_DOWN, vsi->state); if (vsi_type == ICE_VSI_VF) - ice_vsi_set_num_qs(vsi, vf_id); + ice_vsi_set_num_qs(vsi, vf); else if (vsi_type != ICE_VSI_CHNL) - ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); + ice_vsi_set_num_qs(vsi, NULL); switch (vsi->type) { case ICE_VSI_SWITCHDEV_CTRL: @@ -509,10 +516,16 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, /* Setup ctrl VSI MSIX irq handler */ vsi->irq_handler = ice_msix_clean_ctrl_vsi; + + /* For the PF control VSI this is NULL, for the VF control VSI + * this will be the first VF to allocate it. + */ + vsi->vf = vf; break; case ICE_VSI_VF: if (ice_vsi_alloc_arrays(vsi)) goto err_rings; + vsi->vf = vf; break; case ICE_VSI_CHNL: if (!ch) @@ -530,7 +543,7 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, goto unlock_pf; } - if (vsi->type == ICE_VSI_CTRL && vf_id == ICE_INVAL_VFID) { + if (vsi->type == ICE_VSI_CTRL && !vf) { /* Use the last VSI slot as the index for PF control VSI */ vsi->idx = pf->num_alloc_vsi - 1; pf->ctrl_vsi_idx = vsi->idx; @@ -545,8 +558,8 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, pf->next_vsi); } - if (vsi->type == ICE_VSI_CTRL && vf_id != ICE_INVAL_VFID) - pf->vf[vf_id].ctrl_vsi_idx = vsi->idx; + if (vsi->type == ICE_VSI_CTRL && vf) + vf->ctrl_vsi_idx = vsi->idx; goto unlock_pf; err_rings: @@ -732,14 +745,14 @@ bool ice_is_safe_mode(struct ice_pf *pf) } /** - * ice_is_aux_ena + * ice_is_rdma_ena * @pf: pointer to the PF struct * - * returns true if AUX devices/drivers are supported, false otherwise + * returns true if RDMA is currently supported, false otherwise */ -bool ice_is_aux_ena(struct ice_pf *pf) +bool ice_is_rdma_ena(struct ice_pf *pf) { - return test_bit(ICE_FLAG_AUX_ENA, pf->flags); + return test_bit(ICE_FLAG_RDMA_ENA, pf->flags); } /** @@ -838,11 +851,12 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi) /** * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI + * @hw: HW structure used to determine the VLAN mode of the device * @ctxt: the VSI context being set * * This initializes a default VSI context for all sections except the Queues. */ -static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) +static void ice_set_dflt_vsi_ctx(struct ice_hw *hw, struct ice_vsi_ctx *ctxt) { u32 table = 0; @@ -853,13 +867,27 @@ static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; /* Traffic from VSI can be sent to LAN */ ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; - /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy - * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all - * packets untagged/tagged. + /* allow all untagged/tagged packets by default on Tx */ + ctxt->info.inner_vlan_flags = ((ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL & + ICE_AQ_VSI_INNER_VLAN_TX_MODE_M) >> + ICE_AQ_VSI_INNER_VLAN_TX_MODE_S); + /* SVM - by default bits 3 and 4 in inner_vlan_flags are 0's which + * results in legacy behavior (show VLAN, DEI, and UP) in descriptor. + * + * DVM - leave inner VLAN in packet by default */ - ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & - ICE_AQ_VSI_VLAN_MODE_M) >> - ICE_AQ_VSI_VLAN_MODE_S); + if (ice_is_dvm_ena(hw)) { + ctxt->info.inner_vlan_flags |= + ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING; + ctxt->info.outer_vlan_flags = + (ICE_AQ_VSI_OUTER_VLAN_TX_MODE_ALL << + ICE_AQ_VSI_OUTER_VLAN_TX_MODE_S) & + ICE_AQ_VSI_OUTER_VLAN_TX_MODE_M; + ctxt->info.outer_vlan_flags |= + (ICE_AQ_VSI_OUTER_TAG_VLAN_8100 << + ICE_AQ_VSI_OUTER_TAG_TYPE_S) & + ICE_AQ_VSI_OUTER_TAG_TYPE_M; + } /* Have 1:1 UP mapping for both ingress/egress tables */ table |= ICE_UP_TABLE_TRANSLATE(0, 0); table |= ICE_UP_TABLE_TRANSLATE(1, 1); @@ -1114,7 +1142,7 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) case ICE_VSI_VF: ctxt->flags = ICE_AQ_VSI_TYPE_VF; /* VF number here is the absolute VF number (0-255) */ - ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; + ctxt->vf_num = vsi->vf->vf_id + hw->func_caps.vf_base_id; break; default: ret = -ENODEV; @@ -1136,7 +1164,7 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; } - ice_set_dflt_vsi_ctx(ctxt); + ice_set_dflt_vsi_ctx(hw, ctxt); if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) ice_set_fd_vsi_ctx(ctxt, vsi); /* if the switch is in VEB mode, allow VSI loopback */ @@ -1168,25 +1196,6 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); } - /* enable/disable MAC and VLAN anti-spoof when spoofchk is on/off - * respectively - */ - if (vsi->type == ICE_VSI_VF) { - ctxt->info.valid_sections |= - cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); - if (pf->vf[vsi->vf_id].spoofchk) { - ctxt->info.sec_flags |= - ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | - (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << - ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); - } else { - ctxt->info.sec_flags &= - ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | - (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << - ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); - } - } - /* Allow control frames out of main VSI */ if (vsi->type == ICE_VSI_PF) { ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD; @@ -1325,6 +1334,36 @@ ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) } /** + * ice_get_vf_ctrl_res - Get VF control VSI resource + * @pf: pointer to the PF structure + * @vsi: the VSI to allocate a resource for + * + * Look up whether another VF has already allocated the control VSI resource. + * If so, re-use this resource so that we share it among all VFs. + * + * Otherwise, allocate the resource and return it. + */ +static int ice_get_vf_ctrl_res(struct ice_pf *pf, struct ice_vsi *vsi) +{ + struct ice_vf *vf; + unsigned int bkt; + int base; + + rcu_read_lock(); + ice_for_each_vf_rcu(pf, bkt, vf) { + if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) { + base = pf->vsi[vf->ctrl_vsi_idx]->base_vector; + rcu_read_unlock(); + return base; + } + } + rcu_read_unlock(); + + return ice_get_res(pf, pf->irq_tracker, vsi->num_q_vectors, + ICE_RES_VF_CTRL_VEC_ID); +} + +/** * ice_vsi_setup_vector_base - Set up the base vector for the given VSI * @vsi: ptr to the VSI * @@ -1356,20 +1395,8 @@ static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) num_q_vectors = vsi->num_q_vectors; /* reserve slots from OS requested IRQs */ - if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { - int i; - - ice_for_each_vf(pf, i) { - struct ice_vf *vf = &pf->vf[i]; - - if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) { - base = pf->vsi[vf->ctrl_vsi_idx]->base_vector; - break; - } - } - if (i == pf->num_alloc_vfs) - base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, - ICE_RES_VF_CTRL_VEC_ID); + if (vsi->type == ICE_VSI_CTRL && vsi->vf) { + base = ice_get_vf_ctrl_res(pf, vsi); } else { base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, vsi->idx); @@ -1431,6 +1458,7 @@ static void ice_vsi_clear_rings(struct ice_vsi *vsi) */ static int ice_vsi_alloc_rings(struct ice_vsi *vsi) { + bool dvm_ena = ice_is_dvm_ena(&vsi->back->hw); struct ice_pf *pf = vsi->back; struct device *dev; u16 i; @@ -1452,6 +1480,10 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi) ring->tx_tstamps = &pf->ptp.port.tx; ring->dev = dev; ring->count = vsi->num_tx_desc; + if (dvm_ena) + ring->flags |= ICE_TX_FLAGS_RING_VLAN_L2TAG2; + else + ring->flags |= ICE_TX_FLAGS_RING_VLAN_L2TAG1; WRITE_ONCE(vsi->tx_rings[i], ring); } @@ -1763,62 +1795,6 @@ void ice_update_eth_stats(struct ice_vsi *vsi) } /** - * ice_vsi_add_vlan - Add VSI membership for given VLAN - * @vsi: the VSI being configured - * @vid: VLAN ID to be added - * @action: filter action to be performed on match - */ -int -ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action) -{ - struct ice_pf *pf = vsi->back; - struct device *dev; - int err = 0; - - dev = ice_pf_to_dev(pf); - - if (!ice_fltr_add_vlan(vsi, vid, action)) { - vsi->num_vlan++; - } else { - err = -ENODEV; - dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid, - vsi->vsi_num); - } - - return err; -} - -/** - * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN - * @vsi: the VSI being configured - * @vid: VLAN ID to be removed - * - * Returns 0 on success and negative on failure - */ -int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) -{ - struct ice_pf *pf = vsi->back; - struct device *dev; - int err; - - dev = ice_pf_to_dev(pf); - - err = ice_fltr_remove_vlan(vsi, vid, ICE_FWD_TO_VSI); - if (!err) { - vsi->num_vlan--; - } else if (err == -ENOENT) { - dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, error: %d\n", - vid, vsi->vsi_num, err); - err = 0; - } else { - dev_err(dev, "Error removing VLAN %d on vsi %i error: %d\n", - vid, vsi->vsi_num, err); - } - - return err; -} - -/** * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length * @vsi: VSI */ @@ -2146,95 +2122,6 @@ void ice_vsi_cfg_msix(struct ice_vsi *vsi) } /** - * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx - * @vsi: the VSI being changed - */ -int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) -{ - struct ice_hw *hw = &vsi->back->hw; - struct ice_vsi_ctx *ctxt; - int ret; - - ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); - if (!ctxt) - return -ENOMEM; - - /* Here we are configuring the VSI to let the driver add VLAN tags by - * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag - * insertion happens in the Tx hot path, in ice_tx_map. - */ - ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; - - /* Preserve existing VLAN strip setting */ - ctxt->info.vlan_flags |= (vsi->info.vlan_flags & - ICE_AQ_VSI_VLAN_EMOD_M); - - ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); - - ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); - if (ret) { - dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %d aq_err %s\n", - ret, ice_aq_str(hw->adminq.sq_last_status)); - goto out; - } - - vsi->info.vlan_flags = ctxt->info.vlan_flags; -out: - kfree(ctxt); - return ret; -} - -/** - * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx - * @vsi: the VSI being changed - * @ena: boolean value indicating if this is a enable or disable request - */ -int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) -{ - struct ice_hw *hw = &vsi->back->hw; - struct ice_vsi_ctx *ctxt; - int ret; - - /* do not allow modifying VLAN stripping when a port VLAN is configured - * on this VSI - */ - if (vsi->info.pvid) - return 0; - - ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); - if (!ctxt) - return -ENOMEM; - - /* Here we are configuring what the VSI should do with the VLAN tag in - * the Rx packet. We can either leave the tag in the packet or put it in - * the Rx descriptor. - */ - if (ena) - /* Strip VLAN tag from Rx packet and put it in the desc */ - ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; - else - /* Disable stripping. Leave tag in packet */ - ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; - - /* Allow all packets untagged/tagged */ - ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; - - ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); - - ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); - if (ret) { - dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %d aq_err %s\n", - ena, ret, ice_aq_str(hw->adminq.sq_last_status)); - goto out; - } - - vsi->info.vlan_flags = ctxt->info.vlan_flags; -out: - kfree(ctxt); - return ret; -} - -/** * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings * @vsi: the VSI whose rings are to be enabled * @@ -2327,61 +2214,6 @@ bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi) return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA); } -/** - * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI - * @vsi: VSI to enable or disable VLAN pruning on - * @ena: set to true to enable VLAN pruning and false to disable it - * - * returns 0 if VSI is updated, negative otherwise - */ -int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena) -{ - struct ice_vsi_ctx *ctxt; - struct ice_pf *pf; - int status; - - if (!vsi) - return -EINVAL; - - /* Don't enable VLAN pruning if the netdev is currently in promiscuous - * mode. VLAN pruning will be enabled when the interface exits - * promiscuous mode if any VLAN filters are active. - */ - if (vsi->netdev && vsi->netdev->flags & IFF_PROMISC && ena) - return 0; - - pf = vsi->back; - ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); - if (!ctxt) - return -ENOMEM; - - ctxt->info = vsi->info; - - if (ena) - ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; - else - ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; - - ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); - - status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); - if (status) { - netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %s\n", - ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, - status, ice_aq_str(pf->hw.adminq.sq_last_status)); - goto err_out; - } - - vsi->info.sw_flags2 = ctxt->info.sw_flags2; - - kfree(ctxt); - return 0; - -err_out: - kfree(ctxt); - return -EIO; -} - static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) { if (!test_bit(ICE_FLAG_DCB_ENA, vsi->back->flags)) { @@ -2416,7 +2248,7 @@ ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) } if (vsi->type == ICE_VSI_VF) { - struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; + struct ice_vf *vf = vsi->vf; q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); } else { @@ -2601,9 +2433,8 @@ static void ice_set_agg_vsi(struct ice_vsi *vsi) * @pf: board private structure * @pi: pointer to the port_info instance * @vsi_type: VSI type - * @vf_id: defines VF ID to which this VSI connects. This field is meant to be - * used only for ICE_VSI_VF VSI type. For other VSI types, should - * fill-in ICE_INVAL_VFID as input. + * @vf: pointer to VF to which this VSI connects. This field is used primarily + * for the ICE_VSI_VF type. Other VSI types should pass NULL. * @ch: ptr to channel * * This allocates the sw VSI structure and its queue resources. @@ -2613,7 +2444,8 @@ static void ice_set_agg_vsi(struct ice_vsi *vsi) */ struct ice_vsi * ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, - enum ice_vsi_type vsi_type, u16 vf_id, struct ice_channel *ch) + enum ice_vsi_type vsi_type, struct ice_vf *vf, + struct ice_channel *ch) { u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; struct device *dev = ice_pf_to_dev(pf); @@ -2621,11 +2453,11 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, int ret, i; if (vsi_type == ICE_VSI_CHNL) - vsi = ice_vsi_alloc(pf, vsi_type, ch, ICE_INVAL_VFID); + vsi = ice_vsi_alloc(pf, vsi_type, ch, NULL); else if (vsi_type == ICE_VSI_VF || vsi_type == ICE_VSI_CTRL) - vsi = ice_vsi_alloc(pf, vsi_type, NULL, vf_id); + vsi = ice_vsi_alloc(pf, vsi_type, NULL, vf); else - vsi = ice_vsi_alloc(pf, vsi_type, NULL, ICE_INVAL_VFID); + vsi = ice_vsi_alloc(pf, vsi_type, NULL, NULL); if (!vsi) { dev_err(dev, "could not allocate VSI\n"); @@ -2637,9 +2469,6 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, if (vsi->type == ICE_VSI_PF) vsi->ethtype = ETH_P_PAUSE; - if (vsi->type == ICE_VSI_VF || vsi->type == ICE_VSI_CTRL) - vsi->vf_id = vf_id; - ice_alloc_fd_res(vsi); if (vsi_type != ICE_VSI_CHNL) { @@ -2661,6 +2490,8 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, if (ret) goto unroll_get_qs; + ice_vsi_init_vlan_ops(vsi); + switch (vsi->type) { case ICE_VSI_CTRL: case ICE_VSI_SWITCHDEV_CTRL: @@ -2681,17 +2512,6 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, if (ret) goto unroll_vector_base; - /* Always add VLAN ID 0 switch rule by default. This is needed - * in order to allow all untagged and 0 tagged priority traffic - * if Rx VLAN pruning is enabled. Also there are cases where we - * don't get the call to add VLAN 0 via ice_vlan_rx_add_vid() - * so this handles those cases (i.e. adding the PF to a bridge - * without the 8021q module loaded). - */ - ret = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI); - if (ret) - goto unroll_clear_rings; - ice_vsi_map_rings_to_vectors(vsi); /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ @@ -3069,6 +2889,37 @@ void ice_napi_del(struct ice_vsi *vsi) } /** + * ice_free_vf_ctrl_res - Free the VF control VSI resource + * @pf: pointer to PF structure + * @vsi: the VSI to free resources for + * + * Check if the VF control VSI resource is still in use. If no VF is using it + * any more, release the VSI resource. Otherwise, leave it to be cleaned up + * once no other VF uses it. + */ +static void ice_free_vf_ctrl_res(struct ice_pf *pf, struct ice_vsi *vsi) +{ + struct ice_vf *vf; + unsigned int bkt; + + rcu_read_lock(); + ice_for_each_vf_rcu(pf, bkt, vf) { + if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) { + rcu_read_unlock(); + return; + } + } + rcu_read_unlock(); + + /* No other VFs left that have control VSI. It is now safe to reclaim + * SW interrupts back to the common pool. + */ + ice_free_res(pf->irq_tracker, vsi->base_vector, + ICE_RES_VF_CTRL_VEC_ID); + pf->num_avail_sw_msix += vsi->num_q_vectors; +} + +/** * ice_vsi_release - Delete a VSI and free its resources * @vsi: the VSI being removed * @@ -3111,23 +2962,8 @@ int ice_vsi_release(struct ice_vsi *vsi) * many interrupts each VF needs. SR-IOV MSIX resources are also * cleared in the same manner. */ - if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { - int i; - - ice_for_each_vf(pf, i) { - struct ice_vf *vf = &pf->vf[i]; - - if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) - break; - } - if (i == pf->num_alloc_vfs) { - /* No other VFs left that have control VSI, reclaim SW - * interrupts back to the common pool - */ - ice_free_res(pf->irq_tracker, vsi->base_vector, - ICE_RES_VF_CTRL_VEC_ID); - pf->num_avail_sw_msix += vsi->num_q_vectors; - } + if (vsi->type == ICE_VSI_CTRL && vsi->vf) { + ice_free_vf_ctrl_res(pf, vsi); } else if (vsi->type != ICE_VSI_VF) { /* reclaim SW interrupts back to the common pool */ ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); @@ -3311,7 +3147,6 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; struct ice_coalesce_stored *coalesce; int prev_num_q_vectors = 0; - struct ice_vf *vf = NULL; enum ice_vsi_type vtype; struct ice_pf *pf; int ret, i; @@ -3321,8 +3156,10 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) pf = vsi->back; vtype = vsi->type; - if (vtype == ICE_VSI_VF) - vf = &pf->vf[vsi->vf_id]; + if (WARN_ON(vtype == ICE_VSI_VF) && !vsi->vf) + return -EINVAL; + + ice_vsi_init_vlan_ops(vsi); coalesce = kcalloc(vsi->num_q_vectors, sizeof(struct ice_coalesce_stored), GFP_KERNEL); @@ -3359,9 +3196,9 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) ice_vsi_clear_rings(vsi); ice_vsi_free_arrays(vsi); if (vtype == ICE_VSI_VF) - ice_vsi_set_num_qs(vsi, vf->vf_id); + ice_vsi_set_num_qs(vsi, vsi->vf); else - ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); + ice_vsi_set_num_qs(vsi, NULL); ret = ice_vsi_alloc_arrays(vsi); if (ret < 0) @@ -4123,9 +3960,9 @@ int ice_set_link(struct ice_vsi *vsi, bool ena) */ if (status == -EIO) { if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE) - dev_warn(dev, "can't set link to %s, err %d aq_err %s. not fatal, continuing\n", - (ena ? "ON" : "OFF"), status, - ice_aq_str(hw->adminq.sq_last_status)); + dev_dbg(dev, "can't set link to %s, err %d aq_err %s. not fatal, continuing\n", + (ena ? "ON" : "OFF"), status, + ice_aq_str(hw->adminq.sq_last_status)); } else if (status) { dev_err(dev, "can't set link to %s, err %d aq_err %s\n", (ena ? "ON" : "OFF"), status, @@ -4137,6 +3974,120 @@ int ice_set_link(struct ice_vsi *vsi, bool ena) } /** + * ice_vsi_add_vlan_zero - add VLAN 0 filter(s) for this VSI + * @vsi: VSI used to add VLAN filters + * + * In Single VLAN Mode (SVM), single VLAN filters via ICE_SW_LKUP_VLAN are based + * on the inner VLAN ID, so the VLAN TPID (i.e. 0x8100 or 0x888a8) doesn't + * matter. In Double VLAN Mode (DVM), outer/single VLAN filters via + * ICE_SW_LKUP_VLAN are based on the outer/single VLAN ID + VLAN TPID. + * + * For both modes add a VLAN 0 + no VLAN TPID filter to handle untagged traffic + * when VLAN pruning is enabled. Also, this handles VLAN 0 priority tagged + * traffic in SVM, since the VLAN TPID isn't part of filtering. + * + * If DVM is enabled then an explicit VLAN 0 + VLAN TPID filter needs to be + * added to allow VLAN 0 priority tagged traffic in DVM, since the VLAN TPID is + * part of filtering. + */ +int ice_vsi_add_vlan_zero(struct ice_vsi *vsi) +{ + struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); + struct ice_vlan vlan; + int err; + + vlan = ICE_VLAN(0, 0, 0); + err = vlan_ops->add_vlan(vsi, &vlan); + if (err && err != -EEXIST) + return err; + + /* in SVM both VLAN 0 filters are identical */ + if (!ice_is_dvm_ena(&vsi->back->hw)) + return 0; + + vlan = ICE_VLAN(ETH_P_8021Q, 0, 0); + err = vlan_ops->add_vlan(vsi, &vlan); + if (err && err != -EEXIST) + return err; + + return 0; +} + +/** + * ice_vsi_del_vlan_zero - delete VLAN 0 filter(s) for this VSI + * @vsi: VSI used to add VLAN filters + * + * Delete the VLAN 0 filters in the same manner that they were added in + * ice_vsi_add_vlan_zero. + */ +int ice_vsi_del_vlan_zero(struct ice_vsi *vsi) +{ + struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); + struct ice_vlan vlan; + int err; + + vlan = ICE_VLAN(0, 0, 0); + err = vlan_ops->del_vlan(vsi, &vlan); + if (err && err != -EEXIST) + return err; + + /* in SVM both VLAN 0 filters are identical */ + if (!ice_is_dvm_ena(&vsi->back->hw)) + return 0; + + vlan = ICE_VLAN(ETH_P_8021Q, 0, 0); + err = vlan_ops->del_vlan(vsi, &vlan); + if (err && err != -EEXIST) + return err; + + return 0; +} + +/** + * ice_vsi_num_zero_vlans - get number of VLAN 0 filters based on VLAN mode + * @vsi: VSI used to get the VLAN mode + * + * If DVM is enabled then 2 VLAN 0 filters are added, else if SVM is enabled + * then 1 VLAN 0 filter is added. See ice_vsi_add_vlan_zero for more details. + */ +static u16 ice_vsi_num_zero_vlans(struct ice_vsi *vsi) +{ +#define ICE_DVM_NUM_ZERO_VLAN_FLTRS 2 +#define ICE_SVM_NUM_ZERO_VLAN_FLTRS 1 + /* no VLAN 0 filter is created when a port VLAN is active */ + if (vsi->type == ICE_VSI_VF) { + if (WARN_ON(!vsi->vf)) + return 0; + + if (ice_vf_is_port_vlan_ena(vsi->vf)) + return 0; + } + + if (ice_is_dvm_ena(&vsi->back->hw)) + return ICE_DVM_NUM_ZERO_VLAN_FLTRS; + else + return ICE_SVM_NUM_ZERO_VLAN_FLTRS; +} + +/** + * ice_vsi_has_non_zero_vlans - check if VSI has any non-zero VLANs + * @vsi: VSI used to determine if any non-zero VLANs have been added + */ +bool ice_vsi_has_non_zero_vlans(struct ice_vsi *vsi) +{ + return (vsi->num_vlan > ice_vsi_num_zero_vlans(vsi)); +} + +/** + * ice_vsi_num_non_zero_vlans - get the number of non-zero VLANs for this VSI + * @vsi: VSI used to get the number of non-zero VLANs added + */ +u16 ice_vsi_num_non_zero_vlans(struct ice_vsi *vsi) +{ + return (vsi->num_vlan - ice_vsi_num_zero_vlans(vsi)); +} + +/** * ice_is_feature_supported * @pf: pointer to the struct ice_pf instance * @f: feature enum to be checked @@ -4190,8 +4141,11 @@ void ice_init_feature_support(struct ice_pf *pf) case ICE_DEV_ID_E810C_QSFP: case ICE_DEV_ID_E810C_SFP: ice_set_feature_support(pf, ICE_F_DSCP); - if (ice_is_e810t(&pf->hw)) + if (ice_is_e810t(&pf->hw)) { ice_set_feature_support(pf, ICE_F_SMA_CTRL); + if (ice_gnss_is_gps_present(&pf->hw)) + ice_set_feature_support(pf, ICE_F_GNSS); + } break; default: break; |