net/mlx5: support multi-packet send

[dpdk.git] / drivers / net / mlx5 / mlx5_ethdev.c

diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index aeea4ff..698a50e 100644 (file)
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -584,7 +584,8 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
                  DEV_RX_OFFLOAD_UDP_CKSUM |
                  DEV_RX_OFFLOAD_TCP_CKSUM) :
                 0);
-       info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT;
+       if (!priv->mps)
+               info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT;
        if (priv->hw_csum)
                info->tx_offload_capa |=
                        (DEV_TX_OFFLOAD_IPV4_CKSUM |
@@ -1318,7 +1319,17 @@ void
 priv_select_tx_function(struct priv *priv)
 {
        priv->dev->tx_pkt_burst = mlx5_tx_burst;
-       if (priv->txq_inline && (priv->txqs_n >= priv->txqs_inline)) {
+       /* Display warning for unsupported configurations. */
+       if (priv->sriov && priv->mps)
+               WARN("multi-packet send WQE cannot be used on a SR-IOV setup");
+       /* Select appropriate TX function. */
+       if ((priv->sriov == 0) && priv->mps && priv->txq_inline) {
+               priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline;
+               DEBUG("selected MPW inline TX function");
+       } else if ((priv->sriov == 0) && priv->mps) {
+               priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw;
+               DEBUG("selected MPW TX function");
+       } else if (priv->txq_inline && (priv->txqs_n >= priv->txqs_inline)) {
                priv->dev->tx_pkt_burst = mlx5_tx_burst_inline;
                DEBUG("selected inline TX function (%u >= %u queues)",
                      priv->txqs_n, priv->txqs_inline);