From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Subject: [net-next PATCH 5/7] mlx4: use napi_alloc_skb API to get SKB bulk allocations Date: Fri, 04 Mar 2016 14:02:05 +0100 Message-ID: <20160304130205.32651.4079.stgit@firesoul> References: <20160304130054.32651.51776.stgit@firesoul> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: eugenia@mellanox.com, Alexander Duyck , alexei.starovoitov@gmail.com, saeedm@mellanox.com, Jesper Dangaard Brouer , gerlitz.or@gmail.com To: netdev@vger.kernel.org, "David S. Miller" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:58422 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313AbcCDNCK (ORCPT ); Fri, 4 Mar 2016 08:02:10 -0500 In-Reply-To: <20160304130054.32651.51776.stgit@firesoul> Sender: netdev-owner@vger.kernel.org List-ID: Activate the bulk alloc API, simply by changing mlx4 from using netdev_alloc_skb() to using napi_alloc_skb(). Signed-off-by: Jesper Dangaard Brouer --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 41440b2b20a3..d867060ea676 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -583,14 +583,15 @@ fail: static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv, struct mlx4_en_rx_desc *rx_desc, struct mlx4_en_rx_alloc *frags, - unsigned int length) + unsigned int length, + struct napi_struct *napi) { struct sk_buff *skb; void *va; int used_frags; dma_addr_t dma; - skb = netdev_alloc_skb(priv->dev, SMALL_PACKET_SIZE + NET_IP_ALIGN); + skb = napi_alloc_skb(napi, SMALL_PACKET_SIZE + NET_IP_ALIGN); if (!skb) { en_dbg(RX_ERR, priv, "Failed allocating skb\n"); return NULL; @@ -938,7 +939,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud } /* GRO not possible, complete processing here */ - skb = mlx4_en_rx_skb(priv, rx_desc, frags, length); + skb = mlx4_en_rx_skb(priv, rx_desc, frags, length, &cq->napi); if (!skb) { priv->stats.rx_dropped++; goto next;