1 #ifndef __NET_IPV6_WRAPPER_H
2 #define __NET_IPV6_WRAPPER_H 1
4 #include <linux/version.h>
6 #include_next <net/ipv6.h>
9 #define NEXTHDR_SCTP 132 /* Stream Control Transport Protocol */
12 #ifndef HAVE_IP6_FH_F_SKIP_RH
15 IP6_FH_F_FRAG = (1 << 0),
16 IP6_FH_F_AUTH = (1 << 1),
17 IP6_FH_F_SKIP_RH = (1 << 2),
20 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
21 #define ipv6_skip_exthdr rpl_ipv6_skip_exthdr
22 extern int ipv6_skip_exthdr(const struct sk_buff *skb, int start,
23 u8 *nexthdrp, __be16 *frag_offp);
26 /* This function is upstream, but not the version which skips routing
27 * headers with 0 segments_left. We fixed it when we introduced
30 #define ipv6_find_hdr rpl_ipv6_find_hdr
31 extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
32 int target, unsigned short *fragoff, int *fragflg);
35 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
36 static inline u32 ipv6_addr_hash(const struct in6_addr *a)
38 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
39 const unsigned long *ul = (const unsigned long *)a;
40 unsigned long x = ul[0] ^ ul[1];
42 return (u32)(x ^ (x >> 32));
44 return (__force u32)(a->s6_addr32[0] ^ a->s6_addr32[1] ^
45 a->s6_addr32[2] ^ a->s6_addr32[3]);