diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index d640925bc45..574337fe72d 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -113,6 +113,9 @@ struct frag_hdr { #define IP6_MF 0x0001 #define IP6_OFFSET 0xFFF8 +#define IP6_REPLY_MARK(net, mark) \ + ((net)->ipv6.sysctl.fwmark_reflect ? (mark) : 0) + #include <net/sock.h> /* sysctls */ @@ -583,6 +586,11 @@ static inline bool ipv6_addr_orchid(const struct in6_addr *a) return (a->s6_addr32[0] & htonl(0xfffffff0)) == htonl(0x20010010); } +static inline bool ipv6_addr_is_multicast(const struct in6_addr *addr) +{ + return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); +} + static inline void ipv6_addr_set_v4mapped(const __be32 addr, struct in6_addr *v4mapped) { @@ -660,10 +668,22 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr)); } -void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt); - int ip6_dst_hoplimit(struct dst_entry *dst); +static inline int ip6_sk_dst_hoplimit(struct ipv6_pinfo *np, struct flowi6 *fl6, + struct dst_entry *dst) +{ + int hlimit; + + if (ipv6_addr_is_multicast(&fl6->daddr)) + hlimit = np->mcast_hops; + else + hlimit = np->hop_limit; + if (hlimit < 0) + hlimit = ip6_dst_hoplimit(dst); + return hlimit; +} + /* * Header manipulation */ |