netdev - [PATCH net-next V1 10/13] net/mlx5e: Use napi_alloc

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Message-Id: <1458110481-18080-11-git-send-email-saeedm@mellanox.com>
Date:	Wed, 16 Mar 2016 08:41:18 +0200
From:	Saeed Mahameed <saeedm@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
	Eran Ben Elisha <eranbe@...lanox.com>,
	Tal Alon <talal@...lanox.com>,
	Tariq Toukan <tariqt@...lanox.com>,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net-next V1 10/13] net/mlx5e: Use napi_alloc_skb for RX SKB allocations

From: Tariq Toukan <tariqt@...lanox.com>

Instead of netdev_alloc_skb, we use the napi_alloc_skb function
which is designated to allocate skbuff's for RX in a
channel-specific NAPI instance.

Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 3d3ceeb..de5b8cd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -47,7 +47,7 @@ int mlx5e_alloc_rx_wqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix)
 	struct sk_buff *skb;
 	dma_addr_t dma_addr;
 
-	skb = netdev_alloc_skb(rq->netdev, rq->wqe_sz);
+	skb = napi_alloc_skb(rq->cq.napi, rq->wqe_sz);
 	if (unlikely(!skb))
 		return -ENOMEM;
 
@@ -642,9 +642,9 @@ void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 		goto mpwrq_cqe_out;
 	}
 
-	skb = netdev_alloc_skb(rq->netdev,
-			       ALIGN(MLX5_MPWRQ_SMALL_PACKET_THRESHOLD,
-				     sizeof(long)));
+	skb = napi_alloc_skb(rq->cq.napi,
+			     ALIGN(MLX5_MPWRQ_SMALL_PACKET_THRESHOLD,
+				   sizeof(long)));
 	if (unlikely(!skb))
 		goto mpwrq_cqe_out;
 
-- 
1.7.1