diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 03f28f4..351ac69 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -112,7 +112,15 @@ u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb, static inline u16 mlx5e_get_inline_hdr_size(struct mlx5e_sq *sq, struct sk_buff *skb) { -#define MLX5E_MIN_INLINE 16 /* eth header with vlan (w/o next ethertype) */ + /* Some NIC TX decisions, e.g loopback, are based on the packet + * headers and occur before the data gather. + * Therefore these headers must be copied into the WQE + */ +#define MLX5E_MIN_INLINE (ETH_HLEN + 2/*vlan tag*/) + + if (skb_headlen(skb) <= sq->max_inline) + return skb_headlen(skb); + return MLX5E_MIN_INLINE; } |