+/**
+ * Returns the per-port supported offloads.
+ *
+ * @param priv
+ * Pointer to private structure.
+ *
+ * @return
+ * Supported Tx offloads.
+ */
+uint64_t
+mlx4_get_tx_port_offloads(struct priv *priv)
+{
+ uint64_t offloads = DEV_TX_OFFLOAD_MULTI_SEGS;
+
+ if (priv->hw_csum) {
+ offloads |= (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM);
+ }
+ if (priv->hw_csum_l2tun)
+ offloads |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+ return offloads;
+}
+
+/**
+ * Checks if the per-queue offload configuration is valid.
+ *
+ * @param priv
+ * Pointer to private structure.
+ * @param requested
+ * Per-queue offloads configuration.
+ *
+ * @return
+ * Nonzero when configuration is valid.
+ */
+static int
+mlx4_check_tx_queue_offloads(struct priv *priv, uint64_t requested)
+{
+ uint64_t mandatory = priv->dev->data->dev_conf.txmode.offloads;
+ uint64_t supported = mlx4_get_tx_port_offloads(priv);
+
+ return !((mandatory ^ requested) & supported);
+}
+