diff options
author | Martin KaFai Lau <kafai@fb.com> | 2016-12-08 02:53:13 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-12-08 22:25:13 +0300 |
commit | ea3349a03519dcd4f32d949cd80ab995623dc5ac (patch) | |
tree | 01d77dc1b6492c486e3df0503fc4b1ef17fb7884 /drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | |
parent | b45f0674b997ee769907d6092dfa9ee8f59bb51d (diff) | |
download | linux-ea3349a03519dcd4f32d949cd80ab995623dc5ac.tar.xz |
mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active
Reserve XDP_PACKET_HEADROOM for packet and enable bpf_xdp_adjust_head()
support. This patch only affects the code path when XDP is active.
After testing, the tx_dropped counter is incremented if the xdp_prog sends
more than wire MTU.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 20a936428f4a..ba1c6cd0cc79 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -475,7 +475,8 @@ struct mlx4_en_frag_info { u16 frag_prefix_size; u32 frag_stride; enum dma_data_direction dma_dir; - int order; + u16 order; + u16 rx_headroom; }; #ifdef CONFIG_MLX4_EN_DCB |