list_add(&tmp->list_entry, &tmp_add_list);
status = ice_add_vlan(&pf->hw, &tmp_add_list);
- if (status) {
+ if (!status) {
+ vsi->num_vlan++;
+ } else {
err = -ENODEV;
dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid,
vsi->vsi_num);
list_add(&list->list_entry, &tmp_add_list);
status = ice_remove_vlan(&pf->hw, &tmp_add_list);
- if (status == ICE_ERR_DOES_NOT_EXIST) {
+ if (!status) {
+ vsi->num_vlan--;
+ } else if (status == ICE_ERR_DOES_NOT_EXIST) {
dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %d\n",
vid, vsi->vsi_num, status);
- } else if (status) {
+ } else {
dev_err(dev, "Error removing VLAN %d on vsi %i error: %d\n",
vid, vsi->vsi_num, status);
err = -EIO;
}
/**
+ * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not
+ * @vsi: VSI to check whether or not VLAN pruning is enabled.
+ *
+ * returns true if Rx VLAN pruning and Tx VLAN anti-spoof is enabled and false
+ * otherwise.
+ */
+bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi)
+{
+ u8 rx_pruning = ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
+ u8 tx_pruning = ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
+ ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S;
+
+ if (!vsi)
+ return false;
+
+ return ((vsi->info.sw_flags2 & rx_pruning) &&
+ (vsi->info.sec_flags & tx_pruning));
+}
+
+/**
* 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
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);
+ if (ret)
+ goto unroll_clear_rings;
+
ice_vsi_map_rings_to_vectors(vsi);
/* Do not exit if configuring RSS had an issue, at least
return vsi;
+unroll_clear_rings:
+ ice_vsi_clear_rings(vsi);
unroll_vector_base:
/* reclaim SW interrupts back to the common pool */
ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
if (vsi->info.pvid)
return -EINVAL;
- /* Enable VLAN pruning when VLAN 0 is added */
- if (unlikely(!vid)) {
+ /* VLAN 0 is added by default during load/reset */
+ if (!vid)
+ return 0;
+
+ /* Enable VLAN pruning when a VLAN other than 0 is added */
+ if (!ice_vsi_is_vlan_pruning_ena(vsi)) {
ret = ice_cfg_vlan_pruning(vsi, true, false);
if (ret)
return ret;
}
- /* Add all VLAN IDs including 0 to the switch filter. VLAN ID 0 is
- * needed to continue allowing all untagged packets since VLAN prune
- * list is applied to all packets by the switch
+ /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged
+ * packets aren't pruned by the device's internal switch on Rx
*/
ret = ice_vsi_add_vlan(vsi, vid);
if (!ret) {
if (vsi->info.pvid)
return -EINVAL;
+ /* don't allow removal of VLAN 0 */
+ if (!vid)
+ return 0;
+
/* Make sure ice_vsi_kill_vlan is successful before updating VLAN
* information
*/
if (ret)
return ret;
- /* Disable VLAN pruning when VLAN 0 is removed */
- if (unlikely(!vid))
+ /* Disable pruning when VLAN 0 is the only VLAN rule */
+ if (vsi->num_vlan == 1 && ice_vsi_is_vlan_pruning_ena(vsi))
ret = ice_cfg_vlan_pruning(vsi, false, false);
vsi->vlan_ena = false;
goto error_param;
}
- vsi->num_vlan++;
- /* Enable VLAN pruning when VLAN is added */
- if (!vlan_promisc) {
+ /* Enable VLAN pruning when non-zero VLAN is added */
+ if (!vlan_promisc && vid &&
+ !ice_vsi_is_vlan_pruning_ena(vsi)) {
status = ice_cfg_vlan_pruning(vsi, true, false);
if (status) {
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
vid, status);
goto error_param;
}
- } else {
+ } else if (vlan_promisc) {
/* Enable Ucast/Mcast VLAN promiscuous mode */
promisc_m = ICE_PROMISC_VLAN_TX |
ICE_PROMISC_VLAN_RX;
goto error_param;
}
- vsi->num_vlan--;
- /* Disable VLAN pruning when the last VLAN is removed */
- if (!vsi->num_vlan)
+ /* Disable VLAN pruning when only VLAN 0 is left */
+ if (vsi->num_vlan == 1 &&
+ ice_vsi_is_vlan_pruning_ena(vsi))
ice_cfg_vlan_pruning(vsi, false, false);
/* Disable Unicast/Multicast VLAN promiscuous mode */