diff options
Diffstat (limited to 'include/net/if_inet6.h')
| -rw-r--r-- | include/net/if_inet6.h | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 04977eefb0ee..11cf373970a9 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -30,8 +30,6 @@ #define IF_PREFIX_ONLINK 0x01 #define IF_PREFIX_AUTOCONF 0x02 -#ifdef __KERNEL__ - enum { INET6_IFADDR_STATE_DAD, INET6_IFADDR_STATE_POSTDAD, @@ -156,8 +154,8 @@ struct ifacaddr6 { struct ipv6_devstat { struct proc_dir_entry *proc_dir_entry; DEFINE_SNMP_STAT(struct ipstats_mib, ipv6); - DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6); - DEFINE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg); + DEFINE_SNMP_STAT_ATOMIC(struct icmpv6_mib_device, icmpv6dev); + DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib_device, icmpv6msgdev); }; struct inet6_dev { @@ -196,7 +194,7 @@ struct inet6_dev { struct rcu_head rcu; }; -static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf) +static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf) { /* * +-------+-------+-------+-------+-------+-------+ @@ -210,7 +208,7 @@ static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf) memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32)); } -static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf) +static inline void ipv6_tr_mc_map(const struct in6_addr *addr, char *buf) { /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */ @@ -286,5 +284,20 @@ static inline void ipv6_ib_mc_map(const struct in6_addr *addr, buf[9] = broadcast[9]; memcpy(buf + 10, addr->s6_addr + 6, 10); } -#endif + +static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr, + const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) { + memcpy(buf, broadcast, 4); + } else { + /* v4mapped? */ + if ((addr->s6_addr32[0] | addr->s6_addr32[1] | + (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0) + return -EINVAL; + memcpy(buf, &addr->s6_addr32[3], 4); + } + return 0; +} + #endif |