This commit adds support for hardware TSO for tunneled packets.
Signed-off-by: Shahaf Shuler <shah...@mellanox.com>
---
drivers/net/mlx5/mlx5_ethdev.c | 4 +++-
drivers/net/mlx5/mlx5_rxtx.c | 9 +++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 3edfd49..4de3595 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -696,7 +696,9 @@ struct priv *
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
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 145daa0..98e7205 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -488,9 +488,18 @@
(1 << txq->wqe_n) *
MLX5_WQE_SIZE);
unsigned int copy_b;
+ const uint64_t is_tunneled =
+ buf->ol_flags &
+ (PKT_TX_TUNNEL_GRE |
+ PKT_TX_TUNNEL_VXLAN);
tso_header_sz = buf->l2_len + 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;
--
1.8.3.1
