diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/ip6_route.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 7375a165fd98..89ad7917b98d 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -36,6 +36,7 @@ struct route_info { #define RT6_LOOKUP_F_SRCPREF_PUBLIC 0x00000010 #define RT6_LOOKUP_F_SRCPREF_COA 0x00000020 #define RT6_LOOKUP_F_IGNORE_LINKSTATE 0x00000040 +#define RT6_LOOKUP_F_DST_NOREF 0x00000080 /* We do not (yet ?) support IPv6 jumbograms (RFC 2675) * Unlike IPv4, hdr->seg_len doesn't include the IPv6 header @@ -83,6 +84,10 @@ struct dst_entry *ip6_route_input_lookup(struct net *net, struct flowi6 *fl6, const struct sk_buff *skb, int flags); +struct dst_entry *ip6_route_output_flags_noref(struct net *net, + const struct sock *sk, + struct flowi6 *fl6, int flags); + struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk, struct flowi6 *fl6, int flags); @@ -93,6 +98,16 @@ static inline struct dst_entry *ip6_route_output(struct net *net, return ip6_route_output_flags(net, sk, fl6, 0); } +/* Only conditionally release dst if flags indicates + * !RT6_LOOKUP_F_DST_NOREF or dst is in uncached_list. + */ +static inline void ip6_rt_put_flags(struct rt6_info *rt, int flags) +{ + if (!(flags & RT6_LOOKUP_F_DST_NOREF) || + !list_empty(&rt->rt6i_uncached)) + ip6_rt_put(rt); +} + struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6, const struct sk_buff *skb, int flags); struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, |