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authorAmir Vadai <amirv@mellanox.com>2013-06-18 17:18:27 +0400
committerDavid S. Miller <davem@davemloft.net>2013-06-20 05:32:16 +0400
commit9e77a2b837bbd7197da966f0915e8f1ddb2ca850 (patch)
treefaf28979465bc6909513170b41a3cbe5f811ea45 /drivers/net/ethernet/mellanox/mlx4/en_cq.c
parentdc3d807d6fd983603c82e7bcdbaa49cdb4239691 (diff)
downloadlinux-9e77a2b837bbd7197da966f0915e8f1ddb2ca850.tar.xz
net/mlx4_en: Add Low Latency Socket (LLS) support
Add basic support for LLS. Signed-off-by: Amir Vadai <amirv@mellanox.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_cq.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_cq.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index 1e6c594d6d04..3e2d5047cdb3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -139,6 +139,7 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
if (!cq->is_tx) {
netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq, 64);
+ napi_hash_add(&cq->napi);
napi_enable(&cq->napi);
}
@@ -162,6 +163,8 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
if (!cq->is_tx) {
napi_disable(&cq->napi);
+ napi_hash_del(&cq->napi);
+ synchronize_rcu();
netif_napi_del(&cq->napi);
}