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| author | Hadar Hen Zion <hadarh@mellanox.co.il> | 2012-07-05 04:03:50 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-07 16:23:06 -0700 |
| commit | cabdc8ee3768ceb6367e88c6fe84a66dd667bdf9 (patch) | |
| tree | 9ff702eb373d3e2cb75c4f53a218b643ed43f248 /drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | |
| parent | 820672812f8284143f933da8ccc60e296230d25d (diff) | |
| download | lwn-cabdc8ee3768ceb6367e88c6fe84a66dd667bdf9.tar.gz lwn-cabdc8ee3768ceb6367e88c6fe84a66dd667bdf9.zip | |
net/mlx4_en: Add support for drop action through ethtool
The drop action is implemented by allocating a QP and keeping it in a reset state
such that the HW drops any packets which are steered to that QP. When a drop action
is requested, we attach the relevant flow to that QP.
Sign-off-by: Hadar Hen Zion <hadarh@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@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, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 8882e70493fe..a12632150b34 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -500,6 +500,7 @@ struct mlx4_en_priv { struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS]; struct mlx4_en_cq *tx_cq; struct mlx4_en_cq rx_cq[MAX_RX_RINGS]; + struct mlx4_qp drop_qp; struct work_struct mcast_task; struct work_struct mac_task; struct work_struct watchdog_task; @@ -586,6 +587,8 @@ void mlx4_en_unmap_buffer(struct mlx4_buf *buf); void mlx4_en_calc_rx_buf(struct net_device *dev); int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv); void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv); +int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv); +void mlx4_en_destroy_drop_qp(struct mlx4_en_priv *priv); int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring); void mlx4_en_rx_irq(struct mlx4_cq *mcq); |