+ * Set/reset VLAN stripping for a specific queue.
+ *
+ * @param priv
+ * Pointer to private structure.
+ * @param idx
+ * RX queue index.
+ * @param on
+ * Enable/disable VLAN stripping.
+ */
+static void
+priv_vlan_strip_queue_set(struct priv *priv, uint16_t idx, int on)
+{
+ struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
+ struct mlx5_rxq_ctrl *rxq_ctrl =
+ container_of(rxq, struct mlx5_rxq_ctrl, rxq);
+ struct ibv_wq_attr mod;
+ uint16_t vlan_offloads =
+ (on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
+ 0;
+ int err;
+
+ DEBUG("set VLAN offloads 0x%x for port %d queue %d",
+ vlan_offloads, rxq->port_id, idx);
+ if (!rxq_ctrl->ibv) {
+ /* Update related bits in RX queue. */
+ rxq->vlan_strip = !!on;
+ return;
+ }
+ mod = (struct ibv_wq_attr){
+ .attr_mask = IBV_WQ_ATTR_FLAGS,
+ .flags_mask = IBV_WQ_FLAGS_CVLAN_STRIPPING,
+ .flags = vlan_offloads,
+ };
+
+ err = ibv_modify_wq(rxq_ctrl->ibv->wq, &mod);
+ if (err) {
+ ERROR("%p: failed to modified stripping mode: %s",
+ (void *)priv, strerror(err));
+ return;
+ }
+
+ /* Update related bits in RX queue. */
+ rxq->vlan_strip = !!on;
+}
+
+/**
+ * Callback to set/reset VLAN stripping for a specific queue.