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 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
13 #define ipv6_skip_exthdr rpl_ipv6_skip_exthdr
14 extern int ipv6_skip_exthdr(const struct sk_buff *skb, int start,
15 u8 *nexthdrp, __be16 *frag_offp);
19 OVS_IP6T_FH_F_FRAG = (1 << 0),
20 OVS_IP6T_FH_F_AUTH = (1 << 1),
21 OVS_IP6T_FH_F_SKIP_RH = (1 << 2),
24 /* This function is upstream, but not the version which skips routing
25 * headers with 0 segments_left. We plan to propose the extended version. */
26 #define ipv6_find_hdr rpl_ipv6_find_hdr
27 extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
28 int target, unsigned short *fragoff, int *fragflg);
30 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
31 static inline u32 ipv6_addr_hash(const struct in6_addr *a)
33 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
34 const unsigned long *ul = (const unsigned long *)a;
35 unsigned long x = ul[0] ^ ul[1];
37 return (u32)(x ^ (x >> 32));
39 return (__force u32)(a->s6_addr32[0] ^ a->s6_addr32[1] ^
40 a->s6_addr32[2] ^ a->s6_addr32[3]);