From cabdc8ee3768ceb6367e88c6fe84a66dd667bdf9 Mon Sep 17 00:00:00 2001 From: Hadar Hen Zion Date: Thu, 5 Jul 2012 04:03:50 +0000 Subject: 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 Signed-off-by: Or Gerlitz Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h') 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); -- cgit v1.2.3-59-g8ed1b