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net/mlx5: support hardware TSO for VXLAN and GRE

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This commit adds support for hardware TSO for tunneled packets.

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
This commit is contained in:
Shahaf Shuler 2017-03-02 11:05:45 +02:00 committed by Ferruh Yigit
parent f5fde52051
commit b247f34601
2 changed files with 11 additions and 1 deletions
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4
drivers/net/mlx5/mlx5_ethdev.c
View File

@ -696,7 +696,9 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
if (priv->tso)
info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
if (priv->tunnel_en)
info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
info->tx_offload_capa |= (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
DEV_TX_OFFLOAD_GRE_TNL_TSO);
if (priv_get_ifname(priv, &ifname) == 0)
info->if_index = if_nametoindex(ifname);
/* FIXME: RETA update/query API expects the callee to know the size of

8
drivers/net/mlx5/mlx5_rxtx.c
View File

@ -566,10 +566,18 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
unsigned int copy_b;
uint8_t vlan_sz = (buf->ol_flags &
PKT_TX_VLAN_PKT) ? 4 : 0;
const uint64_t is_tunneled =
buf->ol_flags &
(PKT_TX_TUNNEL_GRE |
PKT_TX_TUNNEL_VXLAN);
tso_header_sz = buf->l2_len + vlan_sz +
buf->l3_len + buf->l4_len;
if (is_tunneled && txq->tunnel_en) {
tso_header_sz += buf->outer_l2_len +
buf->outer_l3_len;
}
if (unlikely(tso_header_sz >
MLX5_MAX_TSO_HEADER))
break;