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build: remove support for Linux 2.6.21

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This commit is contained in:
Jan Engelhardt
2012-10-15 23:25:58 +02:00
parent 31aebc134e
commit a66e4510b8
4 changed files with 3 additions and 78 deletions
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20
extensions/compat_skbuff.h
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@@ -35,24 +35,4 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb)
# define skb_secmark(skb) 0
#endif
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 21)
# define ip_hdr(skb) ((skb)->nh.iph)
# define ip_hdrlen(skb) (ip_hdr(skb)->ihl * 4)
# define ipv6_hdr(skb) ((skb)->nh.ipv6h)
# define skb_network_header(skb) ((skb)->nh.raw)
# define skb_transport_header(skb) ((skb)->h.raw)
static inline void skb_reset_network_header(struct sk_buff *skb)
{
skb->nh.raw = skb->data;
}
static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
{
return (void *)skb_transport_header(skb);
}
static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
{
return (void *)skb_transport_header(skb);
}
#endif
#endif /* COMPAT_SKBUFF_H */