| #ifndef _BACKPORT_NET_ADDRCONF_H |
| #define _BACKPORT_NET_ADDRCONF_H 1 |
| |
| #include_next <net/addrconf.h> |
| |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0) |
| static inline bool ipv6_addr_is_solict_mult(const struct in6_addr *addr) |
| { |
| #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 |
| __u64 *p = (__u64 *)addr; |
| return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) | |
| ((p[1] ^ cpu_to_be64(0x00000001ff000000UL)) & |
| cpu_to_be64(0xffffffffff000000UL))) == 0UL; |
| #else |
| return ((addr->s6_addr32[0] ^ htonl(0xff020000)) | |
| addr->s6_addr32[1] | |
| (addr->s6_addr32[2] ^ htonl(0x00000001)) | |
| (addr->s6_addr[12] ^ 0xff)) == 0; |
| #endif |
| } |
| #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0) */ |
| |
| #endif /* _BACKPORT_NET_ADDRCONF_H */ |
