[SK_BUFF]: Introduce skb_network_header_len
For the common sequence "skb->h.raw - skb->nh.raw", similar to skb->mac_len, that is precalculated tho, don't think we need to bloat skb with one more member, so just use this new helper, reducing the number of non-skbuff.h references to the layer headers even more. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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cfe1fc7759
@ -992,6 +992,11 @@ static inline int skb_network_offset(const struct sk_buff *skb)
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return skb->nh.raw - skb->data;
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}
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static inline u32 skb_network_header_len(const struct sk_buff *skb)
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{
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return skb->h.raw - skb->nh.raw;
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}
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static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
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{
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return skb->mac.raw;
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