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 <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1491,6 +1491,16 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev,
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return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
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}
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static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
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unsigned int length)
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{
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struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
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if (NET_IP_ALIGN && skb)
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skb_reserve(skb, NET_IP_ALIGN);
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return skb;
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}
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extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask);
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/**
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