On Thu, Mar 23, 2017 at 02:42:11PM +0200, Shahaf Shuler wrote:
> When VLAN insertion is requested the vlan size must be added to the
> calculation of the TSO header size, as it is not embedded within the
> mbuf l2 length.
>
> Fixes: 98083fd482a2 ("net/mlx5: add hardware TSO support")
> Cc: [email protected]
>
> Signed-off-by: Shahaf Shuler <[email protected]>
> ---
> drivers/net/mlx5/mlx5_rxtx.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
> index 823aac8..9e8c6d0 100644
> --- a/drivers/net/mlx5/mlx5_rxtx.c
> +++ b/drivers/net/mlx5/mlx5_rxtx.c
> @@ -548,10 +548,11 @@
> buf->ol_flags &
> (PKT_TX_TUNNEL_GRE |
> PKT_TX_TUNNEL_VXLAN);
> + uint8_t vlan_sz = (buf->ol_flags &
> + PKT_TX_VLAN_PKT) ? 4 : 0;
>
> - tso_header_sz = buf->l2_len + buf->l3_len +
> - buf->l4_len;
> -
> + 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;
> --
> 1.8.3.1
>
Acked-by: Nelio Laranjeiro <[email protected]>
--
Nélio Laranjeiro
6WIND
