From 61321bbd6235ca9a40ba3bc249e8906cc66233c3 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 7 Oct 2009 17:11:23 +0000 Subject: [PATCH] net: Add netdev_alloc_skb_ip_align() helper Instead of hardcoding NET_IP_ALIGN stuff in various network drivers, we can add a helper around netdev_alloc_skb() Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/skbuff.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 8c866b5cb97b..0c68fbd6faac 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1491,6 +1491,16 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev, return __netdev_alloc_skb(dev, length, GFP_ATOMIC); } +static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev, + unsigned int length) +{ + struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN); + + if (NET_IP_ALIGN && skb) + skb_reserve(skb, NET_IP_ALIGN); + return skb; +} + extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask); /** -- 2.39.5