diff options
Diffstat (limited to 'include/net/ndisc.h')
| -rw-r--r-- | include/net/ndisc.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/net/ndisc.h b/include/net/ndisc.h index ddfbb591e2c5..366150053043 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -2,6 +2,8 @@ #ifndef _NDISC_H #define _NDISC_H +#include <net/ipv6_stubs.h> + /* * ICMP codes for neighbour discovery messages */ @@ -379,6 +381,14 @@ static inline struct neighbour *__ipv6_neigh_lookup_noref(struct net_device *dev return ___neigh_lookup_noref(&nd_tbl, neigh_key_eq128, ndisc_hashfn, pkey, dev); } +static inline +struct neighbour *__ipv6_neigh_lookup_noref_stub(struct net_device *dev, + const void *pkey) +{ + return ___neigh_lookup_noref(ipv6_stub->nd_tbl, neigh_key_eq128, + ndisc_hashfn, pkey, dev); +} + static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, const void *pkey) { struct neighbour *n; @@ -409,6 +419,36 @@ static inline void __ipv6_confirm_neigh(struct net_device *dev, rcu_read_unlock_bh(); } +static inline void __ipv6_confirm_neigh_stub(struct net_device *dev, + const void *pkey) +{ + struct neighbour *n; + + rcu_read_lock_bh(); + n = __ipv6_neigh_lookup_noref_stub(dev, pkey); + if (n) { + unsigned long now = jiffies; + + /* avoid dirtying neighbour */ + if (n->confirmed != now) + n->confirmed = now; + } + rcu_read_unlock_bh(); +} + +/* uses ipv6_stub and is meant for use outside of IPv6 core */ +static inline struct neighbour *ip_neigh_gw6(struct net_device *dev, + const void *addr) +{ + struct neighbour *neigh; + + neigh = __ipv6_neigh_lookup_noref_stub(dev, addr); + if (unlikely(!neigh)) + neigh = __neigh_create(ipv6_stub->nd_tbl, addr, dev, false); + + return neigh; +} + int ndisc_init(void); int ndisc_late_init(void); |