1 files changed, 242 insertions, 325 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 89a3401d20ab..f86578857e8a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -310,11 +310,12 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id)
  **/
 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id)
 {
+	struct i40e_vsi *vsi;
 	int i;
 
-	for (i = 0; i < pf->num_alloc_vsi; i++)
-		if (pf->vsi[i] && (pf->vsi[i]->id == id))
-			return pf->vsi[i];
+	i40e_pf_for_each_vsi(pf, i, vsi)
+		if (vsi->id == id)
+			return vsi;
 
 	return NULL;
 }
@@ -552,24 +553,19 @@ void i40e_vsi_reset_stats(struct i40e_vsi *vsi)
  **/
 void i40e_pf_reset_stats(struct i40e_pf *pf)
 {
+	struct i40e_veb *veb;
 	int i;
 
 	memset(&pf->stats, 0, sizeof(pf->stats));
 	memset(&pf->stats_offsets, 0, sizeof(pf->stats_offsets));
 	pf->stat_offsets_loaded = false;
 
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		if (pf->veb[i]) {
-			memset(&pf->veb[i]->stats, 0,
-			       sizeof(pf->veb[i]->stats));
-			memset(&pf->veb[i]->stats_offsets, 0,
-			       sizeof(pf->veb[i]->stats_offsets));
-			memset(&pf->veb[i]->tc_stats, 0,
-			       sizeof(pf->veb[i]->tc_stats));
-			memset(&pf->veb[i]->tc_stats_offsets, 0,
-			       sizeof(pf->veb[i]->tc_stats_offsets));
-			pf->veb[i]->stat_offsets_loaded = false;
-		}
+	i40e_pf_for_each_veb(pf, i, veb) {
+		memset(&veb->stats, 0, sizeof(veb->stats));
+		memset(&veb->stats_offsets, 0, sizeof(veb->stats_offsets));
+		memset(&veb->tc_stats, 0, sizeof(veb->tc_stats));
+		memset(&veb->tc_stats_offsets, 0, sizeof(veb->tc_stats_offsets));
+		veb->stat_offsets_loaded = false;
 	}
 	pf->hw_csum_rx_error = 0;
 }
@@ -2879,6 +2875,7 @@ err_no_memory_locked:
  **/
 static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int v;
 
 	if (!pf)
@@ -2890,11 +2887,10 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 		return;
 	}
 
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (pf->vsi[v] &&
-		    (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED) &&
-		    !test_bit(__I40E_VSI_RELEASING, pf->vsi[v]->state)) {
-			int ret = i40e_sync_vsi_filters(pf->vsi[v]);
+	i40e_pf_for_each_vsi(pf, v, vsi) {
+		if ((vsi->flags & I40E_VSI_FLAG_FILTER_CHANGED) &&
+		    !test_bit(__I40E_VSI_RELEASING, vsi->state)) {
+			int ret = i40e_sync_vsi_filters(vsi);
 
 			if (ret) {
 				/* come back and try again later */
@@ -5166,6 +5162,7 @@ static void i40e_reset_interrupt_capability(struct i40e_pf *pf)
  **/
 static void i40e_clear_interrupt_scheme(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int i;
 
 	if (test_bit(__I40E_MISC_IRQ_REQUESTED, pf->state))
@@ -5175,9 +5172,10 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf)
 		      I40E_IWARP_IRQ_PILE_ID);
 
 	i40e_put_lump(pf->irq_pile, 0, I40E_PILE_VALID_BIT-1);
-	for (i = 0; i < pf->num_alloc_vsi; i++)
-		if (pf->vsi[i])
-			i40e_vsi_free_q_vectors(pf->vsi[i]);
+
+	i40e_pf_for_each_vsi(pf, i, vsi)
+		i40e_vsi_free_q_vectors(vsi);
+
 	i40e_reset_interrupt_capability(pf);
 }
 
@@ -5274,12 +5272,11 @@ static void i40e_unquiesce_vsi(struct i40e_vsi *vsi)
  **/
 static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int v;
 
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (pf->vsi[v])
-			i40e_quiesce_vsi(pf->vsi[v]);
-	}
+	i40e_pf_for_each_vsi(pf, v, vsi)
+		i40e_quiesce_vsi(vsi);
 }
 
 /**
@@ -5288,12 +5285,11 @@ static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf)
  **/
 static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int v;
 
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (pf->vsi[v])
-			i40e_unquiesce_vsi(pf->vsi[v]);
-	}
+	i40e_pf_for_each_vsi(pf, v, vsi)
+		i40e_unquiesce_vsi(vsi);
 }
 
 /**
@@ -5354,14 +5350,13 @@ wait_rx:
  **/
 static int i40e_pf_wait_queues_disabled(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int v, ret = 0;
 
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (pf->vsi[v]) {
-			ret = i40e_vsi_wait_queues_disabled(pf->vsi[v]);
-			if (ret)
-				break;
-		}
+	i40e_pf_for_each_vsi(pf, v, vsi) {
+		ret = i40e_vsi_wait_queues_disabled(vsi);
+		if (ret)
+			break;
 	}
 
 	return ret;
@@ -6778,32 +6773,29 @@ out:
  **/
 static void i40e_dcb_reconfigure(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
+	struct i40e_veb *veb;
 	u8 tc_map = 0;
 	int ret;
-	u8 v;
+	int v;
 
 	/* Enable the TCs available on PF to all VEBs */
 	tc_map = i40e_pf_get_tc_map(pf);
 	if (tc_map == I40E_DEFAULT_TRAFFIC_CLASS)
 		return;
 
-	for (v = 0; v < I40E_MAX_VEB; v++) {
-		if (!pf->veb[v])
-			continue;
-		ret = i40e_veb_config_tc(pf->veb[v], tc_map);
+	i40e_pf_for_each_veb(pf, v, veb) {
+		ret = i40e_veb_config_tc(veb, tc_map);
 		if (ret) {
 			dev_info(&pf->pdev->dev,
 				 "Failed configuring TC for VEB seid=%d\n",
-				 pf->veb[v]->seid);
+				 veb->seid);
 			/* Will try to configure as many components */
 		}
 	}
 
 	/* Update each VSI */
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (!pf->vsi[v])
-			continue;
-
+	i40e_pf_for_each_vsi(pf, v, vsi) {
 		/* - Enable all TCs for the LAN VSI
 		 * - For all others keep them at TC0 for now
 		 */
@@ -6812,17 +6804,17 @@ static void i40e_dcb_reconfigure(struct i40e_pf *pf)
 		else
 			tc_map = I40E_DEFAULT_TRAFFIC_CLASS;
 
-		ret = i40e_vsi_config_tc(pf->vsi[v], tc_map);
+		ret = i40e_vsi_config_tc(vsi, tc_map);
 		if (ret) {
 			dev_info(&pf->pdev->dev,
 				 "Failed configuring TC for VSI seid=%d\n",
-				 pf->vsi[v]->seid);
+				 vsi->seid);
 			/* Will try to configure as many components */
 		} else {
 			/* Re-configure VSI vectors based on updated TC map */
-			i40e_vsi_map_rings_to_vectors(pf->vsi[v]);
-			if (pf->vsi[v]->netdev)
-				i40e_dcbnl_set_all(pf->vsi[v]);
+			i40e_vsi_map_rings_to_vectors(vsi);
+			if (vsi->netdev)
+				i40e_dcbnl_set_all(vsi);
 		}
 	}
 }
@@ -9257,7 +9249,9 @@ int i40e_close(struct net_device *netdev)
  **/
 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired)
 {
+	struct i40e_vsi *vsi;
 	u32 val;
+	int i;
 
 	/* do the biggest reset indicated */
 	if (reset_flags & BIT_ULL(__I40E_GLOBAL_RESET_REQUESTED)) {
@@ -9313,29 +9307,20 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired)
 			 "FW LLDP is enabled\n");
 
 	} else if (reset_flags & BIT_ULL(__I40E_REINIT_REQUESTED)) {
-		int v;
-
 		/* Find the VSI(s) that requested a re-init */
-		dev_info(&pf->pdev->dev,
-			 "VSI reinit requested\n");
-		for (v = 0; v < pf->num_alloc_vsi; v++) {
-			struct i40e_vsi *vsi = pf->vsi[v];
+		dev_info(&pf->pdev->dev, "VSI reinit requested\n");
 
-			if (vsi != NULL &&
-			    test_and_clear_bit(__I40E_VSI_REINIT_REQUESTED,
+		i40e_pf_for_each_vsi(pf, i, vsi) {
+			if (test_and_clear_bit(__I40E_VSI_REINIT_REQUESTED,
 					       vsi->state))
-				i40e_vsi_reinit_locked(pf->vsi[v]);
+				i40e_vsi_reinit_locked(vsi);
 		}
 	} else if (reset_flags & BIT_ULL(__I40E_DOWN_REQUESTED)) {
-		int v;
-
 		/* Find the VSI(s) that needs to be brought down */
 		dev_info(&pf->pdev->dev, "VSI down requested\n");
-		for (v = 0; v < pf->num_alloc_vsi; v++) {
-			struct i40e_vsi *vsi = pf->vsi[v];
 
-			if (vsi != NULL &&
-			    test_and_clear_bit(__I40E_VSI_DOWN_REQUESTED,
+		i40e_pf_for_each_vsi(pf, i, vsi) {
+			if (test_and_clear_bit(__I40E_VSI_DOWN_REQUESTED,
 					       vsi->state)) {
 				set_bit(__I40E_VSI_DOWN, vsi->state);
 				i40e_down(vsi);
@@ -9888,6 +9873,7 @@ static void i40e_vsi_link_event(struct i40e_vsi *vsi, bool link_up)
  **/
 static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up)
 {
+	struct i40e_vsi *vsi;
 	struct i40e_pf *pf;
 	int i;
 
@@ -9895,15 +9881,10 @@ static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up)
 		return;
 	pf = veb->pf;
 
-	/* depth first... */
-	for (i = 0; i < I40E_MAX_VEB; i++)
-		if (pf->veb[i] && (pf->veb[i]->uplink_seid == veb->seid))
-			i40e_veb_link_event(pf->veb[i], link_up);
-
-	/* ... now the local VSIs */
-	for (i = 0; i < pf->num_alloc_vsi; i++)
-		if (pf->vsi[i] && (pf->vsi[i]->uplink_seid == veb->seid))
-			i40e_vsi_link_event(pf->vsi[i], link_up);
+	/* Send link event to contained VSIs */
+	i40e_pf_for_each_vsi(pf, i, vsi)
+		if (vsi->uplink_seid == veb->seid)
+			i40e_vsi_link_event(vsi, link_up);
 }
 
 /**
@@ -9995,6 +9976,8 @@ static void i40e_link_event(struct i40e_pf *pf)
  **/
 static void i40e_watchdog_subtask(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
+	struct i40e_veb *veb;
 	int i;
 
 	/* if interface is down do nothing */
@@ -10015,15 +9998,14 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf)
 	/* Update the stats for active netdevs so the network stack
 	 * can look at updated numbers whenever it cares to
 	 */
-	for (i = 0; i < pf->num_alloc_vsi; i++)
-		if (pf->vsi[i] && pf->vsi[i]->netdev)
-			i40e_update_stats(pf->vsi[i]);
+	i40e_pf_for_each_vsi(pf, i, vsi)
+		if (vsi->netdev)
+			i40e_update_stats(vsi);
 
 	if (test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags)) {
 		/* Update the stats for the active switching components */
-		for (i = 0; i < I40E_MAX_VEB; i++)
-			if (pf->veb[i])
-				i40e_update_veb_stats(pf->veb[i]);
+		i40e_pf_for_each_veb(pf, i, veb)
+			i40e_update_veb_stats(veb);
 	}
 
 	i40e_ptp_rx_hang(pf);
@@ -10368,89 +10350,84 @@ static void i40e_config_bridge_mode(struct i40e_veb *veb)
 }
 
 /**
- * i40e_reconstitute_veb - rebuild the VEB and anything connected to it
+ * i40e_reconstitute_veb - rebuild the VEB and VSIs connected to it
  * @veb: pointer to the VEB instance
  *
- * This is a recursive function that first builds the attached VSIs then
- * recurses in to build the next layer of VEB.  We track the connections
- * through our own index numbers because the seid's from the HW could
- * change across the reset.
+ * This is a function that builds the attached VSIs. We track the connections
+ * through our own index numbers because the seid's from the HW could change
+ * across the reset.
  **/
 static int i40e_reconstitute_veb(struct i40e_veb *veb)
 {
 	struct i40e_vsi *ctl_vsi = NULL;
 	struct i40e_pf *pf = veb->pf;
-	int v, veb_idx;
-	int ret;
+	struct i40e_vsi *vsi;
+	int v, ret;
 
-	/* build VSI that owns this VEB, temporarily attached to base VEB */
-	for (v = 0; v < pf->num_alloc_vsi && !ctl_vsi; v++) {
-		if (pf->vsi[v] &&
-		    pf->vsi[v]->veb_idx == veb->idx &&
-		    pf->vsi[v]->flags & I40E_VSI_FLAG_VEB_OWNER) {
-			ctl_vsi = pf->vsi[v];
-			break;
-		}
-	}
-	if (!ctl_vsi) {
-		dev_info(&pf->pdev->dev,
-			 "missing owner VSI for veb_idx %d\n", veb->idx);
-		ret = -ENOENT;
-		goto end_reconstitute;
+	/* As we do not maintain PV (port virtualizer) switch element then
+	 * there can be only one non-floating VEB that have uplink to MAC SEID
+	 * and its control VSI is the main one.
+	 */
+	if (WARN_ON(veb->uplink_seid && veb->uplink_seid != pf->mac_seid)) {
+		dev_err(&pf->pdev->dev,
+			"Invalid uplink SEID for VEB %d\n", veb->idx);
+		return -ENOENT;
 	}
-	if (ctl_vsi != pf->vsi[pf->lan_vsi])
-		ctl_vsi->uplink_seid = pf->vsi[pf->lan_vsi]->uplink_seid;
-	ret = i40e_add_vsi(ctl_vsi);
-	if (ret) {
-		dev_info(&pf->pdev->dev,
-			 "rebuild of veb_idx %d owner VSI failed: %d\n",
-			 veb->idx, ret);
-		goto end_reconstitute;
+
+	if (veb->uplink_seid == pf->mac_seid) {
+		/* Check that the LAN VSI has VEB owning flag set */
+		ctl_vsi = pf->vsi[pf->lan_vsi];
+
+		if (WARN_ON(ctl_vsi->veb_idx != veb->idx ||
+			    !(ctl_vsi->flags & I40E_VSI_FLAG_VEB_OWNER))) {
+			dev_err(&pf->pdev->dev,
+				"Invalid control VSI for VEB %d\n", veb->idx);
+			return -ENOENT;
+		}
+
+		/* Add the control VSI to switch */
+		ret = i40e_add_vsi(ctl_vsi);
+		if (ret) {
+			dev_err(&pf->pdev->dev,
+				"Rebuild of owner VSI for VEB %d failed: %d\n",
+				veb->idx, ret);
+			return ret;
+		}
+
+		i40e_vsi_reset_stats(ctl_vsi);
 	}
-	i40e_vsi_reset_stats(ctl_vsi);
 
 	/* create the VEB in the switch and move the VSI onto the VEB */
 	ret = i40e_add_veb(veb, ctl_vsi);
 	if (ret)
-		goto end_reconstitute;
+		return ret;
 
-	if (test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags))
-		veb->bridge_mode = BRIDGE_MODE_VEB;
-	else
-		veb->bridge_mode = BRIDGE_MODE_VEPA;
-	i40e_config_bridge_mode(veb);
+	if (veb->uplink_seid) {
+		if (test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags))
+			veb->bridge_mode = BRIDGE_MODE_VEB;
+		else
+			veb->bridge_mode = BRIDGE_MODE_VEPA;
+		i40e_config_bridge_mode(veb);
+	}
 
 	/* create the remaining VSIs attached to this VEB */
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (!pf->vsi[v] || pf->vsi[v] == ctl_vsi)
+	i40e_pf_for_each_vsi(pf, v, vsi) {
+		if (vsi == ctl_vsi)
 			continue;
 
-		if (pf->vsi[v]->veb_idx == veb->idx) {
-			struct i40e_vsi *vsi = pf->vsi[v];
-
+		if (vsi->veb_idx == veb->idx) {
 			vsi->uplink_seid = veb->seid;
 			ret = i40e_add_vsi(vsi);
 			if (ret) {
 				dev_info(&pf->pdev->dev,
 					 "rebuild of vsi_idx %d failed: %d\n",
 					 v, ret);
-				goto end_reconstitute;
+				return ret;
 			}
 			i40e_vsi_reset_stats(vsi);
 		}
 	}
 
-	/* create any VEBs attached to this VEB - RECURSION */
-	for (veb_idx = 0; veb_idx < I40E_MAX_VEB; veb_idx++) {
-		if (pf->veb[veb_idx] && pf->veb[veb_idx]->veb_idx == veb->idx) {
-			pf->veb[veb_idx]->uplink_seid = veb->seid;
-			ret = i40e_reconstitute_veb(pf->veb[veb_idx]);
-			if (ret)
-				break;
-		}
-	}
-
-end_reconstitute:
 	return ret;
 }
 
@@ -10718,6 +10695,7 @@ static void i40e_clean_xps_state(struct i40e_vsi *vsi)
 static void i40e_prep_for_reset(struct i40e_pf *pf)
 {
 	struct i40e_hw *hw = &pf->hw;
+	struct i40e_vsi *vsi;
 	int ret = 0;
 	u32 v;
 
@@ -10732,11 +10710,9 @@ static void i40e_prep_for_reset(struct i40e_pf *pf)
 	/* quiesce the VSIs and their queues that are not already DOWN */
 	i40e_pf_quiesce_all_vsi(pf);
 
-	for (v = 0; v < pf->num_alloc_vsi; v++) {
-		if (pf->vsi[v]) {
-			i40e_clean_xps_state(pf->vsi[v]);
-			pf->vsi[v]->seid = 0;
-		}
+	i40e_pf_for_each_vsi(pf, v, vsi) {
+		i40e_clean_xps_state(vsi);
+		vsi->seid = 0;
 	}
 
 	i40e_shutdown_adminq(&pf->hw);
@@ -10850,6 +10826,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired)
 	const bool is_recovery_mode_reported = i40e_check_recovery_mode(pf);
 	struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
 	struct i40e_hw *hw = &pf->hw;
+	struct i40e_veb *veb;
 	int ret;
 	u32 val;
 	int v;
@@ -10991,35 +10968,29 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired)
 	 */
 	if (vsi->uplink_seid != pf->mac_seid) {
 		dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n");
-		/* find the one VEB connected to the MAC, and find orphans */
-		for (v = 0; v < I40E_MAX_VEB; v++) {
-			if (!pf->veb[v])
-				continue;
-
-			if (pf->veb[v]->uplink_seid == pf->mac_seid ||
-			    pf->veb[v]->uplink_seid == 0) {
-				ret = i40e_reconstitute_veb(pf->veb[v]);
 
-				if (!ret)
-					continue;
+		/* Rebuild VEBs */
+		i40e_pf_for_each_veb(pf, v, veb) {
+			ret = i40e_reconstitute_veb(veb);
+			if (!ret)
+				continue;
 
-				/* If Main VEB failed, we're in deep doodoo,
-				 * so give up rebuilding the switch and set up
-				 * for minimal rebuild of PF VSI.
-				 * If orphan failed, we'll report the error
-				 * but try to keep going.
-				 */
-				if (pf->veb[v]->uplink_seid == pf->mac_seid) {
-					dev_info(&pf->pdev->dev,
-						 "rebuild of switch failed: %d, will try to set up simple PF connection\n",
-						 ret);
-					vsi->uplink_seid = pf->mac_seid;
-					break;
-				} else if (pf->veb[v]->uplink_seid == 0) {
-					dev_info(&pf->pdev->dev,
-						 "rebuild of orphan VEB failed: %d\n",
-						 ret);
-				}
+			/* If Main VEB failed, we're in deep doodoo,
+			 * so give up rebuilding the switch and set up
+			 * for minimal rebuild of PF VSI.
+			 * If orphan failed, we'll report the error
+			 * but try to keep going.
+			 */
+			if (veb->uplink_seid == pf->mac_seid) {
+				dev_info(&pf->pdev->dev,
+					 "rebuild of switch failed: %d, will try to set up simple PF connection\n",
+					 ret);
+				vsi->uplink_seid = pf->mac_seid;
+				break;
+			} else if (veb->uplink_seid == 0) {
+				dev_info(&pf->pdev->dev,
+					 "rebuild of orphan VEB failed: %d\n",
+					 ret);
 			}
 		}
 	}
@@ -12098,6 +12069,7 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf)
  */
 static int i40e_restore_interrupt_scheme(struct i40e_pf *pf)
 {
+	struct i40e_vsi *vsi;
 	int err, i;
 
 	/* We cleared the MSI and MSI-X flags when disabling the old interrupt
@@ -12114,13 +12086,12 @@ static int i40e_restore_interrupt_scheme(struct i40e_pf *pf)
 	/* Now that we've re-acquired IRQs, we need to remap the vectors and
 	 * rings together again.
 	 */
-	for (i = 0; i < pf->num_alloc_vsi; i++) {
-		if (pf->vsi[i]) {
-			err = i40e_vsi_alloc_q_vectors(pf->vsi[i]);
-			if (err)
-				goto err_unwind;
-			i40e_vsi_map_rings_to_vectors(pf->vsi[i]);
-		}
+	i40e_pf_for_each_vsi(pf, i, vsi) {
+		err = i40e_vsi_alloc_q_vectors(vsi);
+		if (err)
+			goto err_unwind;
+
+		i40e_vsi_map_rings_to_vectors(vsi);
 	}
 
 	err = i40e_setup_misc_vector(pf);
@@ -13122,19 +13093,16 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev,
 	struct i40e_netdev_priv *np = netdev_priv(dev);
 	struct i40e_vsi *vsi = np->vsi;
 	struct i40e_pf *pf = vsi->back;
-	struct i40e_veb *veb = NULL;
 	struct nlattr *attr, *br_spec;
-	int i, rem;
+	struct i40e_veb *veb;
+	int rem;
 
 	/* Only for PF VSI for now */
 	if (vsi->seid != pf->vsi[pf->lan_vsi]->seid)
 		return -EOPNOTSUPP;
 
 	/* Find the HW bridge for PF VSI */
-	for (i = 0; i < I40E_MAX_VEB && !veb; i++) {
-		if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid)
-			veb = pf->veb[i];
-	}
+	veb = i40e_pf_get_veb_by_seid(pf, vsi->uplink_seid);
 
 	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
 	if (!br_spec)
@@ -13199,19 +13167,14 @@ static int i40e_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 	struct i40e_netdev_priv *np = netdev_priv(dev);
 	struct i40e_vsi *vsi = np->vsi;
 	struct i40e_pf *pf = vsi->back;
-	struct i40e_veb *veb = NULL;
-	int i;
+	struct i40e_veb *veb;
 
 	/* Only for PF VSI for now */
 	if (vsi->seid != pf->vsi[pf->lan_vsi]->seid)
 		return -EOPNOTSUPP;
 
 	/* Find the HW bridge for the PF VSI */
-	for (i = 0; i < I40E_MAX_VEB && !veb; i++) {
-		if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid)
-			veb = pf->veb[i];
-	}
-
+	veb = i40e_pf_get_veb_by_seid(pf, vsi->uplink_seid);
 	if (!veb)
 		return 0;
 
@@ -13245,12 +13208,12 @@ static netdev_features_t i40e_features_check(struct sk_buff *skb,
 		features &= ~NETIF_F_GSO_MASK;
 
 	/* MACLEN can support at most 63 words */
-	len = skb_network_header(skb) - skb->data;
+	len = skb_network_offset(skb);
 	if (len & ~(63 * 2))
 		goto out_err;
 
 	/* IPLEN and EIPLEN can support at most 127 dwords */
-	len = skb_transport_header(skb) - skb_network_header(skb);
+	len = skb_network_header_len(skb);
 	if (len & ~(127 * 4))
 		goto out_err;
 
@@ -14145,7 +14108,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi)
 {
 	struct i40e_mac_filter *f;
 	struct hlist_node *h;
-	struct i40e_veb *veb = NULL;
+	struct i40e_veb *veb;
 	struct i40e_pf *pf;
 	u16 uplink_seid;
 	int i, n, bkt;
@@ -14209,29 +14172,28 @@ int i40e_vsi_release(struct i40e_vsi *vsi)
 
 	/* If this was the last thing on the VEB, except for the
 	 * controlling VSI, remove the VEB, which puts the controlling
-	 * VSI onto the next level down in the switch.
+	 * VSI onto the uplink port.
 	 *
 	 * Well, okay, there's one more exception here: don't remove
-	 * the orphan VEBs yet.  We'll wait for an explicit remove request
+	 * the floating VEBs yet.  We'll wait for an explicit remove request
 	 * from up the network stack.
 	 */
-	for (n = 0, i = 0; i < pf->num_alloc_vsi; i++) {
-		if (pf->vsi[i] &&
-		    pf->vsi[i]->uplink_seid == uplink_seid &&
-		    (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) {
-			n++;      /* count the VSIs */
-		}
-	}
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		if (!pf->veb[i])
-			continue;
-		if (pf->veb[i]->uplink_seid == uplink_seid)
-			n++;     /* count the VEBs */
-		if (pf->veb[i]->seid == uplink_seid)
-			veb = pf->veb[i];
+	veb = i40e_pf_get_veb_by_seid(pf, uplink_seid);
+	if (veb && veb->uplink_seid) {
+		n = 0;
+
+		/* Count non-controlling VSIs present on  the VEB */
+		i40e_pf_for_each_vsi(pf, i, vsi)
+			if (vsi->uplink_seid == uplink_seid &&
+			    (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0)
+				n++;
+
+		/* If there is no VSI except the control one then release
+		 * the VEB and put the control VSI onto VEB uplink.
+		 */
+		if (!n)
+			i40e_veb_release(veb);
 	}
-	if (n == 0 && veb && veb->uplink_seid != 0)
-		i40e_veb_release(veb);
 
 	return 0;
 }
@@ -14389,8 +14351,8 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 	struct i40e_vsi *vsi = NULL;
 	struct i40e_veb *veb = NULL;
 	u16 alloc_queue_pairs;
-	int ret, i;
 	int v_idx;
+	int ret;
 
 	/* The requested uplink_seid must be either
 	 *     - the PF's port seid
@@ -14405,21 +14367,9 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 	 *
 	 * Find which uplink_seid we were given and create a new VEB if needed
 	 */
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) {
-			veb = pf->veb[i];
-			break;
-		}
-	}
-
+	veb = i40e_pf_get_veb_by_seid(pf, uplink_seid);
 	if (!veb && uplink_seid != pf->mac_seid) {
-
-		for (i = 0; i < pf->num_alloc_vsi; i++) {
-			if (pf->vsi[i] && pf->vsi[i]->seid == uplink_seid) {
-				vsi = pf->vsi[i];
-				break;
-			}
-		}
+		vsi = i40e_pf_get_vsi_by_seid(pf, uplink_seid);
 		if (!vsi) {
 			dev_info(&pf->pdev->dev, "no such uplink_seid %d\n",
 				 uplink_seid);
@@ -14448,10 +14398,7 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 			}
 			i40e_config_bridge_mode(veb);
 		}
-		for (i = 0; i < I40E_MAX_VEB && !veb; i++) {
-			if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid)
-				veb = pf->veb[i];
-		}
+		veb = i40e_pf_get_veb_by_seid(pf, vsi->uplink_seid);
 		if (!veb) {
 			dev_info(&pf->pdev->dev, "couldn't add VEB\n");
 			return NULL;
@@ -14681,29 +14628,24 @@ static void i40e_switch_branch_release(struct i40e_veb *branch)
 	struct i40e_pf *pf = branch->pf;
 	u16 branch_seid = branch->seid;
 	u16 veb_idx = branch->idx;
+	struct i40e_vsi *vsi;
+	struct i40e_veb *veb;
 	int i;
 
 	/* release any VEBs on this VEB - RECURSION */
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		if (!pf->veb[i])
-			continue;
-		if (pf->veb[i]->uplink_seid == branch->seid)
-			i40e_switch_branch_release(pf->veb[i]);
-	}
+	i40e_pf_for_each_veb(pf, i, veb)
+		if (veb->uplink_seid == branch->seid)
+			i40e_switch_branch_release(veb);
 
 	/* Release the VSIs on this VEB, but not the owner VSI.
 	 *
 	 * NOTE: Removing the last VSI on a VEB has the SIDE EFFECT of removing
 	 *       the VEB itself, so don't use (*branch) after this loop.
 	 */
-	for (i = 0; i < pf->num_alloc_vsi; i++) {
-		if (!pf->vsi[i])
-			continue;
-		if (pf->vsi[i]->uplink_seid == branch_seid &&
-		   (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) {
-			i40e_vsi_release(pf->vsi[i]);
-		}
-	}
+	i40e_pf_for_each_vsi(pf, i, vsi)
+		if (vsi->uplink_seid == branch_seid &&
+		    (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0)
+			i40e_vsi_release(vsi);
 
 	/* There's one corner case where the VEB might not have been
 	 * removed, so double check it here and remove it if needed.
@@ -14741,38 +14683,35 @@ static void i40e_veb_clear(struct i40e_veb *veb)
  **/
 void i40e_veb_release(struct i40e_veb *veb)
 {
-	struct i40e_vsi *vsi = NULL;
+	struct i40e_vsi *vsi, *vsi_it;
 	struct i40e_pf *pf;
 	int i, n = 0;
 
 	pf = veb->pf;
 
 	/* find the remaining VSI and check for extras */
-	for (i = 0; i < pf->num_alloc_vsi; i++) {
-		if (pf->vsi[i] && pf->vsi[i]->uplink_seid == veb->seid) {
+	i40e_pf_for_each_vsi(pf, i, vsi_it)
+		if (vsi_it->uplink_seid == veb->seid) {
+			if (vsi_it->flags & I40E_VSI_FLAG_VEB_OWNER)
+				vsi = vsi_it;
 			n++;
-			vsi = pf->vsi[i];
 		}
-	}
-	if (n != 1) {
+
+	/* Floating VEB has to be empty and regular one must have
+	 * single owner VSI.
+	 */
+	if ((veb->uplink_seid && n != 1) || (!veb->uplink_seid && n != 0)) {
 		dev_info(&pf->pdev->dev,
 			 "can't remove VEB %d with %d VSIs left\n",
 			 veb->seid, n);
 		return;
 	}
 
-	/* move the remaining VSI to uplink veb */
-	vsi->flags &= ~I40E_VSI_FLAG_VEB_OWNER;
+	/* For regular VEB move the owner VSI to uplink port */
 	if (veb->uplink_seid) {
+		vsi->flags &= ~I40E_VSI_FLAG_VEB_OWNER;
 		vsi->uplink_seid = veb->uplink_seid;
-		if (veb->uplink_seid == pf->mac_seid)
-			vsi->veb_idx = I40E_NO_VEB;
-		else
-			vsi->veb_idx = veb->veb_idx;
-	} else {
-		/* floating VEB */
-		vsi->uplink_seid = pf->vsi[pf->lan_vsi]->uplink_seid;
-		vsi->veb_idx = pf->vsi[pf->lan_vsi]->veb_idx;
+		vsi->veb_idx = I40E_NO_VEB;
 	}
 
 	i40e_aq_delete_element(&pf->hw, veb->seid, NULL);
@@ -14790,8 +14729,8 @@ static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi)
 	bool enable_stats = !!test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags);
 	int ret;
 
-	ret = i40e_aq_add_veb(&pf->hw, veb->uplink_seid, vsi->seid,
-			      veb->enabled_tc, false,
+	ret = i40e_aq_add_veb(&pf->hw, veb->uplink_seid, vsi ? vsi->seid : 0,
+			      veb->enabled_tc, vsi ? false : true,
 			      &veb->seid, enable_stats, NULL);
 
 	/* get a VEB from the hardware */
@@ -14823,9 +14762,11 @@ static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi)
 		return -ENOENT;
 	}
 
-	vsi->uplink_seid = veb->seid;
-	vsi->veb_idx = veb->idx;
-	vsi->flags |= I40E_VSI_FLAG_VEB_OWNER;
+	if (vsi) {
+		vsi->uplink_seid = veb->seid;
+		vsi->veb_idx = veb->idx;
+		vsi->flags |= I40E_VSI_FLAG_VEB_OWNER;
+	}
 
 	return 0;
 }
@@ -14850,8 +14791,9 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags,
 				u16 uplink_seid, u16 vsi_seid,
 				u8 enabled_tc)
 {
-	struct i40e_veb *veb, *uplink_veb = NULL;
-	int vsi_idx, veb_idx;
+	struct i40e_vsi *vsi = NULL;
+	struct i40e_veb *veb;
+	int veb_idx;
 	int ret;
 
 	/* if one seid is 0, the other must be 0 to create a floating relay */
@@ -14864,26 +14806,11 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags,
 	}
 
 	/* make sure there is such a vsi and uplink */
-	for (vsi_idx = 0; vsi_idx < pf->num_alloc_vsi; vsi_idx++)
-		if (pf->vsi[vsi_idx] && pf->vsi[vsi_idx]->seid == vsi_seid)
-			break;
-	if (vsi_idx == pf->num_alloc_vsi && vsi_seid != 0) {
-		dev_info(&pf->pdev->dev, "vsi seid %d not found\n",
-			 vsi_seid);
-		return NULL;
-	}
-
-	if (uplink_seid && uplink_seid != pf->mac_seid) {
-		for (veb_idx = 0; veb_idx < I40E_MAX_VEB; veb_idx++) {
-			if (pf->veb[veb_idx] &&
-			    pf->veb[veb_idx]->seid == uplink_seid) {
-				uplink_veb = pf->veb[veb_idx];
-				break;
-			}
-		}
-		if (!uplink_veb) {
-			dev_info(&pf->pdev->dev,
-				 "uplink seid %d not found\n", uplink_seid);
+	if (vsi_seid) {
+		vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid);
+		if (!vsi) {
+			dev_err(&pf->pdev->dev, "vsi seid %d not found\n",
+				vsi_seid);
 			return NULL;
 		}
 	}
@@ -14895,14 +14822,14 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags,
 	veb = pf->veb[veb_idx];
 	veb->flags = flags;
 	veb->uplink_seid = uplink_seid;
-	veb->veb_idx = (uplink_veb ? uplink_veb->idx : I40E_NO_VEB);
 	veb->enabled_tc = (enabled_tc ? enabled_tc : 0x1);
 
 	/* create the VEB in the switch */
-	ret = i40e_add_veb(veb, pf->vsi[vsi_idx]);
+	ret = i40e_add_veb(veb, vsi);
 	if (ret)
 		goto err_veb;
-	if (vsi_idx == pf->lan_vsi)
+
+	if (vsi && vsi->idx == pf->lan_vsi)
 		pf->lan_veb = veb->idx;
 
 	return veb;
@@ -14930,6 +14857,7 @@ static void i40e_setup_pf_switch_element(struct i40e_pf *pf,
 	u16 uplink_seid = le16_to_cpu(ele->uplink_seid);
 	u8 element_type = ele->element_type;
 	u16 seid = le16_to_cpu(ele->seid);
+	struct i40e_veb *veb;
 
 	if (printconfig)
 		dev_info(&pf->pdev->dev,
@@ -14948,13 +14876,10 @@ static void i40e_setup_pf_switch_element(struct i40e_pf *pf,
 			int v;
 
 			/* find existing or else empty VEB */
-			for (v = 0; v < I40E_MAX_VEB; v++) {
-				if (pf->veb[v] && (pf->veb[v]->seid == seid)) {
-					pf->lan_veb = v;
-					break;
-				}
-			}
-			if (pf->lan_veb >= I40E_MAX_VEB) {
+			veb = i40e_pf_get_veb_by_seid(pf, seid);
+			if (veb) {
+				pf->lan_veb = veb->idx;
+			} else {
 				v = i40e_veb_mem_alloc(pf);
 				if (v < 0)
 					break;
@@ -14967,7 +14892,6 @@ static void i40e_setup_pf_switch_element(struct i40e_pf *pf,
 		pf->veb[pf->lan_veb]->seid = seid;
 		pf->veb[pf->lan_veb]->uplink_seid = pf->mac_seid;
 		pf->veb[pf->lan_veb]->pf = pf;
-		pf->veb[pf->lan_veb]->veb_idx = I40E_NO_VEB;
 		break;
 	case I40E_SWITCH_ELEMENT_TYPE_VSI:
 		if (num_reported != 1)
@@ -15630,6 +15554,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 #ifdef CONFIG_I40E_DCB
 	enum i40e_get_fw_lldp_status_resp lldp_status;
 #endif /* CONFIG_I40E_DCB */
+	struct i40e_vsi *vsi;
 	struct i40e_pf *pf;
 	struct i40e_hw *hw;
 	u16 wol_nvm_bits;
@@ -15640,7 +15565,6 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 #endif /* CONFIG_I40E_DCB */
 	int err;
 	u32 val;
-	u32 i;
 
 	err = pci_enable_device_mem(pdev);
 	if (err)
@@ -15990,12 +15914,9 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	INIT_LIST_HEAD(&pf->vsi[pf->lan_vsi]->ch_list);
 
 	/* if FDIR VSI was set up, start it now */
-	for (i = 0; i < pf->num_alloc_vsi; i++) {
-		if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) {
-			i40e_vsi_open(pf->vsi[i]);
-			break;
-		}
-	}
+	vsi = i40e_find_vsi_by_type(pf, I40E_VSI_FDIR);
+	if (vsi)
+		i40e_vsi_open(vsi);
 
 	/* The driver only wants link up/down and module qualification
 	 * reports from firmware.  Note the negative logic.
@@ -16241,6 +16162,8 @@ static void i40e_remove(struct pci_dev *pdev)
 {
 	struct i40e_pf *pf = pci_get_drvdata(pdev);
 	struct i40e_hw *hw = &pf->hw;
+	struct i40e_vsi *vsi;
+	struct i40e_veb *veb;
 	int ret_code;
 	int i;
 
@@ -16298,24 +16221,19 @@ static void i40e_remove(struct pci_dev *pdev)
 	/* If there is a switch structure or any orphans, remove them.
 	 * This will leave only the PF's VSI remaining.
 	 */
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		if (!pf->veb[i])
-			continue;
-
-		if (pf->veb[i]->uplink_seid == pf->mac_seid ||
-		    pf->veb[i]->uplink_seid == 0)
-			i40e_switch_branch_release(pf->veb[i]);
-	}
+	i40e_pf_for_each_veb(pf, i, veb)
+		if (veb->uplink_seid == pf->mac_seid ||
+		    veb->uplink_seid == 0)
+			i40e_switch_branch_release(veb);
 
 	/* Now we can shutdown the PF's VSIs, just before we kill
 	 * adminq and hmc.
 	 */
-	for (i = pf->num_alloc_vsi; i--;)
-		if (pf->vsi[i]) {
-			i40e_vsi_close(pf->vsi[i]);
-			i40e_vsi_release(pf->vsi[i]);
-			pf->vsi[i] = NULL;
-		}
+	i40e_pf_for_each_vsi(pf, i, vsi) {
+		i40e_vsi_close(vsi);
+		i40e_vsi_release(vsi);
+		pf->vsi[i] = NULL;
+	}
 
 	i40e_cloud_filter_exit(pf);
 
@@ -16352,18 +16270,17 @@ unmap:
 	/* Clear all dynamic memory lists of rings, q_vectors, and VSIs */
 	rtnl_lock();
 	i40e_clear_interrupt_scheme(pf);
-	for (i = 0; i < pf->num_alloc_vsi; i++) {
-		if (pf->vsi[i]) {
-			if (!test_bit(__I40E_RECOVERY_MODE, pf->state))
-				i40e_vsi_clear_rings(pf->vsi[i]);
-			i40e_vsi_clear(pf->vsi[i]);
-			pf->vsi[i] = NULL;
-		}
+	i40e_pf_for_each_vsi(pf, i, vsi) {
+		if (!test_bit(__I40E_RECOVERY_MODE, pf->state))
+			i40e_vsi_clear_rings(vsi);
+
+		i40e_vsi_clear(vsi);
+		pf->vsi[i] = NULL;
 	}
 	rtnl_unlock();
 
-	for (i = 0; i < I40E_MAX_VEB; i++) {
-		kfree(pf->veb[i]);
+	i40e_pf_for_each_veb(pf, i, veb) {
+		kfree(veb);
 		pf->veb[i] = NULL;
 	}