1 files changed, 81 insertions, 180 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c
index a958fcf3e6be..0e4dc1a5cff0 100644
--- a/drivers/net/ethernet/intel/ice/ice_sriov.c
+++ b/drivers/net/ethernet/intel/ice/ice_sriov.c
@@ -36,6 +36,7 @@ static void ice_free_vf_entries(struct ice_pf *pf)
 
 	hash_for_each_safe(vfs->table, bkt, tmp, vf, entry) {
 		hash_del_rcu(&vf->entry);
+		ice_deinitialize_vf_entry(vf);
 		ice_put_vf(vf);
 	}
 }
@@ -62,6 +63,7 @@ static void ice_free_vf_res(struct ice_vf *vf)
 	if (vf->lan_vsi_idx != ICE_NO_VSI) {
 		ice_vf_vsi_release(vf);
 		vf->num_mac = 0;
+		vf->num_mac_lldp = 0;
 	}
 
 	last_vector_idx = vf->first_vector_idx + vf->num_msix - 1;
@@ -123,27 +125,6 @@ static void ice_dis_vf_mappings(struct ice_vf *vf)
 }
 
 /**
- * ice_sriov_free_msix_res - Reset/free any used MSIX resources
- * @pf: pointer to the PF structure
- *
- * Since no MSIX entries are taken from the pf->irq_tracker then just clear
- * the pf->sriov_base_vector.
- *
- * Returns 0 on success, and -EINVAL on error.
- */
-static int ice_sriov_free_msix_res(struct ice_pf *pf)
-{
-	if (!pf)
-		return -EINVAL;
-
-	bitmap_free(pf->sriov_irq_bm);
-	pf->sriov_irq_size = 0;
-	pf->sriov_base_vector = 0;
-
-	return 0;
-}
-
-/**
  * ice_free_vfs - Free all VFs
  * @pf: pointer to the PF structure
  */
@@ -170,15 +151,14 @@ void ice_free_vfs(struct ice_pf *pf)
 	else
 		dev_warn(dev, "VFs are assigned - not disabling SR-IOV\n");
 
-	ice_eswitch_reserve_cp_queues(pf, -ice_get_num_vfs(pf));
-
 	mutex_lock(&vfs->table_lock);
 
 	ice_for_each_vf(pf, bkt, vf) {
 		mutex_lock(&vf->cfg_lock);
 
-		ice_eswitch_detach(pf, vf);
+		ice_eswitch_detach_vf(pf, vf);
 		ice_dis_vf_qs(vf);
+		ice_virt_free_irqs(pf, vf->first_vector_idx, vf->num_msix);
 
 		if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
 			/* disable VF qp mappings and set VF disable state */
@@ -195,15 +175,9 @@ void ice_free_vfs(struct ice_pf *pf)
 			wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
 		}
 
-		/* clear malicious info since the VF is getting released */
-		list_del(&vf->mbx_info.list_entry);
-
 		mutex_unlock(&vf->cfg_lock);
 	}
 
-	if (ice_sriov_free_msix_res(pf))
-		dev_err(dev, "Failed to free MSIX resources used by SR-IOV\n");
-
 	vfs->num_qps_per = 0;
 	ice_free_vf_entries(pf);
 
@@ -227,7 +201,7 @@ static struct ice_vsi *ice_vf_vsi_setup(struct ice_vf *vf)
 	struct ice_vsi *vsi;
 
 	params.type = ICE_VSI_VF;
-	params.pi = ice_vf_get_port_info(vf);
+	params.port_info = ice_vf_get_port_info(vf);
 	params.vf = vf;
 	params.flags = ICE_VSI_FLAG_INIT;
 
@@ -362,47 +336,14 @@ static void ice_ena_vf_mappings(struct ice_vf *vf)
  * @vf: VF to calculate the register index for
  * @q_vector: a q_vector associated to the VF
  */
-int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector)
+void ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector)
 {
 	if (!vf || !q_vector)
-		return -EINVAL;
+		return;
 
 	/* always add one to account for the OICR being the first MSIX */
-	return vf->first_vector_idx + q_vector->v_idx + 1;
-}
-
-/**
- * ice_sriov_set_msix_res - Set any used MSIX resources
- * @pf: pointer to PF structure
- * @num_msix_needed: number of MSIX vectors needed for all SR-IOV VFs
- *
- * This function allows SR-IOV resources to be taken from the end of the PF's
- * allowed HW MSIX vectors so that the irq_tracker will not be affected. We
- * just set the pf->sriov_base_vector and return success.
- *
- * If there are not enough resources available, return an error. This should
- * always be caught by ice_set_per_vf_res().
- *
- * Return 0 on success, and -EINVAL when there are not enough MSIX vectors
- * in the PF's space available for SR-IOV.
- */
-static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed)
-{
-	u16 total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors;
-	int vectors_used = ice_get_max_used_msix_vector(pf);
-	int sriov_base_vector;
-
-	sriov_base_vector = total_vectors - num_msix_needed;
-
-	/* make sure we only grab irq_tracker entries from the list end and
-	 * that we have enough available MSIX vectors
-	 */
-	if (sriov_base_vector < vectors_used)
-		return -EINVAL;
-
-	pf->sriov_base_vector = sriov_base_vector;
-
-	return 0;
+	q_vector->vf_reg_idx = q_vector->v_idx + ICE_NONQ_VECS_VF;
+	q_vector->reg_idx = vf->first_vector_idx + q_vector->vf_reg_idx;
 }
 
 /**
@@ -429,11 +370,9 @@ static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed)
  */
 static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs)
 {
-	int vectors_used = ice_get_max_used_msix_vector(pf);
 	u16 num_msix_per_vf, num_txq, num_rxq, avail_qs;
 	int msix_avail_per_vf, msix_avail_for_sriov;
 	struct device *dev = ice_pf_to_dev(pf);
-	int err;
 
 	lockdep_assert_held(&pf->vfs.table_lock);
 
@@ -441,8 +380,7 @@ static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs)
 		return -EINVAL;
 
 	/* determine MSI-X resources per VF */
-	msix_avail_for_sriov = pf->hw.func_caps.common_cap.num_msix_vectors -
-		vectors_used;
+	msix_avail_for_sriov = pf->virt_irq_tracker.num_entries;
 	msix_avail_per_vf = msix_avail_for_sriov / num_vfs;
 	if (msix_avail_per_vf >= ICE_NUM_VF_MSIX_MED) {
 		num_msix_per_vf = ICE_NUM_VF_MSIX_MED;
@@ -481,13 +419,6 @@ static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs)
 		return -ENOSPC;
 	}
 
-	err = ice_sriov_set_msix_res(pf, num_msix_per_vf * num_vfs);
-	if (err) {
-		dev_err(dev, "Unable to set MSI-X resources for %d VFs, err %d\n",
-			num_vfs, err);
-		return err;
-	}
-
 	/* only allow equal Tx/Rx queue count (i.e. queue pairs) */
 	pf->vfs.num_qps_per = min_t(int, num_txq, num_rxq);
 	pf->vfs.num_msix_per = num_msix_per_vf;
@@ -498,52 +429,6 @@ static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs)
 }
 
 /**
- * ice_sriov_get_irqs - get irqs for SR-IOV usacase
- * @pf: pointer to PF structure
- * @needed: number of irqs to get
- *
- * This returns the first MSI-X vector index in PF space that is used by this
- * VF. This index is used when accessing PF relative registers such as
- * GLINT_VECT2FUNC and GLINT_DYN_CTL.
- * This will always be the OICR index in the AVF driver so any functionality
- * using vf->first_vector_idx for queue configuration_id: id of VF which will
- * use this irqs
- *
- * Only SRIOV specific vectors are tracked in sriov_irq_bm. SRIOV vectors are
- * allocated from the end of global irq index. First bit in sriov_irq_bm means
- * last irq index etc. It simplifies extension of SRIOV vectors.
- * They will be always located from sriov_base_vector to the last irq
- * index. While increasing/decreasing sriov_base_vector can be moved.
- */
-static int ice_sriov_get_irqs(struct ice_pf *pf, u16 needed)
-{
-	int res = bitmap_find_next_zero_area(pf->sriov_irq_bm,
-					     pf->sriov_irq_size, 0, needed, 0);
-	/* conversion from number in bitmap to global irq index */
-	int index = pf->sriov_irq_size - res - needed;
-
-	if (res >= pf->sriov_irq_size || index < pf->sriov_base_vector)
-		return -ENOENT;
-
-	bitmap_set(pf->sriov_irq_bm, res, needed);
-	return index;
-}
-
-/**
- * ice_sriov_free_irqs - free irqs used by the VF
- * @pf: pointer to PF structure
- * @vf: pointer to VF structure
- */
-static void ice_sriov_free_irqs(struct ice_pf *pf, struct ice_vf *vf)
-{
-	/* Move back from first vector index to first index in bitmap */
-	int bm_i = pf->sriov_irq_size - vf->first_vector_idx - vf->num_msix;
-
-	bitmap_clear(pf->sriov_irq_bm, bm_i, vf->num_msix);
-	vf->first_vector_idx = 0;
-}
-
-/**
  * ice_init_vf_vsi_res - initialize/setup VF VSI resources
  * @vf: VF to initialize/setup the VSI for
  *
@@ -556,7 +441,7 @@ static int ice_init_vf_vsi_res(struct ice_vf *vf)
 	struct ice_vsi *vsi;
 	int err;
 
-	vf->first_vector_idx = ice_sriov_get_irqs(pf, vf->num_msix);
+	vf->first_vector_idx = ice_virt_get_irqs(pf, vf->num_msix);
 	if (vf->first_vector_idx < 0)
 		return -ENOMEM;
 
@@ -599,7 +484,7 @@ static int ice_start_vfs(struct ice_pf *pf)
 			goto teardown;
 		}
 
-		retval = ice_eswitch_attach(pf, vf);
+		retval = ice_eswitch_attach_vf(pf, vf);
 		if (retval) {
 			dev_err(ice_pf_to_dev(pf), "Failed to attach VF %d to eswitch, error %d",
 				vf->vf_id, retval);
@@ -833,11 +718,6 @@ static int ice_create_vf_entries(struct ice_pf *pf, u16 num_vfs)
 
 		pci_dev_get(vfdev);
 
-		/* set default number of MSI-X */
-		vf->num_msix = pf->vfs.num_msix_per;
-		vf->num_vf_qs = pf->vfs.num_qps_per;
-		ice_vc_set_default_allowlist(vf);
-
 		hash_add_rcu(vfs->table, &vf->entry, vf_id);
 	}
 
@@ -861,16 +741,10 @@ err_free_entries:
  */
 static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
 {
-	int total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors;
 	struct device *dev = ice_pf_to_dev(pf);
 	struct ice_hw *hw = &pf->hw;
 	int ret;
 
-	pf->sriov_irq_bm = bitmap_zalloc(total_vectors, GFP_KERNEL);
-	if (!pf->sriov_irq_bm)
-		return -ENOMEM;
-	pf->sriov_irq_size = total_vectors;
-
 	/* Disable global interrupt 0 so we don't try to handle the VFLR. */
 	wr32(hw, GLINT_DYN_CTL(pf->oicr_irq.index),
 	     ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S);
@@ -897,7 +771,6 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
 		goto err_unroll_sriov;
 	}
 
-	ice_eswitch_reserve_cp_queues(pf, num_vfs);
 	ret = ice_start_vfs(pf);
 	if (ret) {
 		dev_err(dev, "Failed to start %d VFs, err %d\n", num_vfs, ret);
@@ -924,7 +797,6 @@ err_unroll_intr:
 	/* rearm interrupts here */
 	ice_irq_dynamic_ena(hw, NULL, NULL);
 	clear_bit(ICE_OICR_INTR_DIS, pf->state);
-	bitmap_free(pf->sriov_irq_bm);
 	return ret;
 }
 
@@ -998,16 +870,7 @@ u32 ice_sriov_get_vf_total_msix(struct pci_dev *pdev)
 {
 	struct ice_pf *pf = pci_get_drvdata(pdev);
 
-	return pf->sriov_irq_size - ice_get_max_used_msix_vector(pf);
-}
-
-static int ice_sriov_move_base_vector(struct ice_pf *pf, int move)
-{
-	if (pf->sriov_base_vector - move < ice_get_max_used_msix_vector(pf))
-		return -ENOMEM;
-
-	pf->sriov_base_vector -= move;
-	return 0;
+	return pf->virt_irq_tracker.num_entries;
 }
 
 static void ice_sriov_remap_vectors(struct ice_pf *pf, u16 restricted_id)
@@ -1026,7 +889,8 @@ static void ice_sriov_remap_vectors(struct ice_pf *pf, u16 restricted_id)
 			continue;
 
 		ice_dis_vf_mappings(tmp_vf);
-		ice_sriov_free_irqs(pf, tmp_vf);
+		ice_virt_free_irqs(pf, tmp_vf->first_vector_idx,
+				   tmp_vf->num_msix);
 
 		vf_ids[to_remap] = tmp_vf->vf_id;
 		to_remap += 1;
@@ -1038,7 +902,7 @@ static void ice_sriov_remap_vectors(struct ice_pf *pf, u16 restricted_id)
 			continue;
 
 		tmp_vf->first_vector_idx =
-			ice_sriov_get_irqs(pf, tmp_vf->num_msix);
+			ice_virt_get_irqs(pf, tmp_vf->num_msix);
 		/* there is no need to rebuild VSI as we are only changing the
 		 * vector indexes not amount of MSI-X or queues
 		 */
@@ -1103,30 +967,30 @@ int ice_sriov_set_msix_vec_count(struct pci_dev *vf_dev, int msix_vec_count)
 		return -ENOENT;
 
 	vsi = ice_get_vf_vsi(vf);
-	if (!vsi)
+	if (!vsi) {
+		ice_put_vf(vf);
 		return -ENOENT;
+	}
 
 	prev_msix = vf->num_msix;
 	prev_queues = vf->num_vf_qs;
 
-	if (ice_sriov_move_base_vector(pf, msix_vec_count - prev_msix)) {
-		ice_put_vf(vf);
-		return -ENOSPC;
-	}
-
 	ice_dis_vf_mappings(vf);
-	ice_sriov_free_irqs(pf, vf);
+	ice_virt_free_irqs(pf, vf->first_vector_idx, vf->num_msix);
 
 	/* Remap all VFs beside the one is now configured */
 	ice_sriov_remap_vectors(pf, vf->vf_id);
 
 	vf->num_msix = msix_vec_count;
 	vf->num_vf_qs = queues;
-	vf->first_vector_idx = ice_sriov_get_irqs(pf, vf->num_msix);
+	vf->first_vector_idx = ice_virt_get_irqs(pf, vf->num_msix);
 	if (vf->first_vector_idx < 0)
 		goto unroll;
 
-	if (ice_vf_reconfig_vsi(vf) || ice_vf_init_host_cfg(vf, vsi)) {
+	vsi->req_txq = queues;
+	vsi->req_rxq = queues;
+
+	if (ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT)) {
 		/* Try to rebuild with previous values */
 		needs_rebuild = true;
 		goto unroll;
@@ -1148,13 +1012,18 @@ unroll:
 
 	vf->num_msix = prev_msix;
 	vf->num_vf_qs = prev_queues;
-	vf->first_vector_idx = ice_sriov_get_irqs(pf, vf->num_msix);
-	if (vf->first_vector_idx < 0)
+
+	vf->first_vector_idx = ice_virt_get_irqs(pf, vf->num_msix);
+	if (vf->first_vector_idx < 0) {
+		ice_put_vf(vf);
 		return -EINVAL;
+	}
 
 	if (needs_rebuild) {
-		ice_vf_reconfig_vsi(vf);
-		ice_vf_init_host_cfg(vf, vsi);
+		vsi->req_txq = prev_queues;
+		vsi->req_rxq = prev_queues;
+
+		ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
 	}
 
 	ice_ena_vf_mappings(vf);
@@ -1423,21 +1292,23 @@ out_put_vf:
 }
 
 /**
- * ice_set_vf_mac
- * @netdev: network interface device structure
+ * __ice_set_vf_mac - program VF MAC address
+ * @pf: PF to be configure
  * @vf_id: VF identifier
  * @mac: MAC address
  *
  * program VF MAC address
+ * Return: zero on success or an error code on failure
  */
-int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
+int __ice_set_vf_mac(struct ice_pf *pf, u16 vf_id, const u8 *mac)
 {
-	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct device *dev;
 	struct ice_vf *vf;
 	int ret;
 
+	dev = ice_pf_to_dev(pf);
 	if (is_multicast_ether_addr(mac)) {
-		netdev_err(netdev, "%pM not a valid unicast address\n", mac);
+		dev_err(dev, "%pM not a valid unicast address\n", mac);
 		return -EINVAL;
 	}
 
@@ -1466,13 +1337,13 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
 	if (is_zero_ether_addr(mac)) {
 		/* VF will send VIRTCHNL_OP_ADD_ETH_ADDR message with its MAC */
 		vf->pf_set_mac = false;
-		netdev_info(netdev, "Removing MAC on VF %d. VF driver will be reinitialized\n",
-			    vf->vf_id);
+		dev_info(dev, "Removing MAC on VF %d. VF driver will be reinitialized\n",
+			 vf->vf_id);
 	} else {
 		/* PF will add MAC rule for the VF */
 		vf->pf_set_mac = true;
-		netdev_info(netdev, "Setting MAC %pM on VF %d. VF driver will be reinitialized\n",
-			    mac, vf_id);
+		dev_info(dev, "Setting MAC %pM on VF %d. VF driver will be reinitialized\n",
+			 mac, vf_id);
 	}
 
 	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);
@@ -1484,6 +1355,20 @@ out_put_vf:
 }
 
 /**
+ * ice_set_vf_mac - .ndo_set_vf_mac handler
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @mac: MAC address
+ *
+ * program VF MAC address
+ * Return: zero on success or an error code on failure
+ */
+int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
+{
+	return __ice_set_vf_mac(ice_netdev_to_pf(netdev), vf_id, mac);
+}
+
+/**
  * ice_set_vf_trust
  * @netdev: network interface device structure
  * @vf_id: VF identifier
@@ -1518,6 +1403,9 @@ int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted)
 
 	mutex_lock(&vf->cfg_lock);
 
+	while (!trusted && vf->num_mac_lldp)
+		ice_vf_update_mac_lldp_num(vf, ice_get_vf_vsi(vf), false);
+
 	vf->trusted = trusted;
 	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);
 	dev_info(ice_pf_to_dev(pf), "VF %u is now %strusted\n",
@@ -1869,6 +1757,24 @@ void ice_print_vf_rx_mdd_event(struct ice_vf *vf)
 }
 
 /**
+ * ice_print_vf_tx_mdd_event - print VF Tx malicious driver detect event
+ * @vf: pointer to the VF structure
+ */
+void ice_print_vf_tx_mdd_event(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+	struct device *dev;
+
+	dev = ice_pf_to_dev(pf);
+
+	dev_info(dev, "%d Tx Malicious Driver Detection events detected on PF %d VF %d MAC %pM. mdd-auto-reset-vfs=%s\n",
+		 vf->mdd_tx_events.count, pf->hw.pf_id, vf->vf_id,
+		 vf->dev_lan_addr,
+		 test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)
+			  ? "on" : "off");
+}
+
+/**
  * ice_print_vfs_mdd_events - print VFs malicious driver detect event
  * @pf: pointer to the PF structure
  *
@@ -1876,8 +1782,6 @@ void ice_print_vf_rx_mdd_event(struct ice_vf *vf)
  */
 void ice_print_vfs_mdd_events(struct ice_pf *pf)
 {
-	struct device *dev = ice_pf_to_dev(pf);
-	struct ice_hw *hw = &pf->hw;
 	struct ice_vf *vf;
 	unsigned int bkt;
 
@@ -1904,10 +1808,7 @@ void ice_print_vfs_mdd_events(struct ice_pf *pf)
 		if (vf->mdd_tx_events.count != vf->mdd_tx_events.last_printed) {
 			vf->mdd_tx_events.last_printed =
 							vf->mdd_tx_events.count;
-
-			dev_info(dev, "%d Tx Malicious Driver Detection events detected on PF %d VF %d MAC %pM.\n",
-				 vf->mdd_tx_events.count, hw->pf_id, vf->vf_id,
-				 vf->dev_lan_addr);
+			ice_print_vf_tx_mdd_event(vf);
 		}
 	}
 	mutex_unlock(&pf->vfs.table_lock);