On Tue, Feb 28, 2017 at 05:53:48PM +0200, Shahaf Shuler wrote:
> 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
Acked-by: Nelio Laranjeiro <nelio.laranje...@6wind.com>
--
Nélio Laranjeiro
6WIND
