diff options
Diffstat (limited to 'sys/netinet6/nd6.h')
| -rw-r--r-- | sys/netinet6/nd6.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h index 510d208..841530a 100644 --- a/sys/netinet6/nd6.h +++ b/sys/netinet6/nd6.h @@ -243,6 +243,7 @@ struct nd_defrouter { u_long expire; struct ifnet *ifp; int installed; /* is installed into kernel routing table */ + u_int refcnt; }; struct nd_prefixctl { @@ -342,6 +343,19 @@ VNET_DECLARE(int, nd6_onlink_ns_rfc4861); #define V_nd6_debug VNET(nd6_debug) #define V_nd6_onlink_ns_rfc4861 VNET(nd6_onlink_ns_rfc4861) +/* Lock for the prefix and default router lists. */ +VNET_DECLARE(struct rwlock, nd6_lock); +#define V_nd6_lock VNET(nd6_lock) + +#define ND6_RLOCK() rw_rlock(&V_nd6_lock) +#define ND6_RUNLOCK() rw_runlock(&V_nd6_lock) +#define ND6_WLOCK() rw_wlock(&V_nd6_lock) +#define ND6_WUNLOCK() rw_wunlock(&V_nd6_lock) +#define ND6_WLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_WLOCKED) +#define ND6_RLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_RLOCKED) +#define ND6_LOCK_ASSERT() rw_assert(&V_nd6_lock, RA_LOCKED) +#define ND6_UNLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_UNLOCKED) + #define nd6log(x) do { if (V_nd6_debug) log x; } while (/*CONSTCOND*/ 0) VNET_DECLARE(struct callout, nd6_timer_ch); @@ -447,12 +461,17 @@ void nd6_rs_input(struct mbuf *, int, int); void nd6_ra_input(struct mbuf *, int, int); void defrouter_reset(void); void defrouter_select(void); -void defrtrlist_del(struct nd_defrouter *); +void defrouter_ref(struct nd_defrouter *); +void defrouter_rele(struct nd_defrouter *); +bool defrouter_remove(struct in6_addr *, struct ifnet *); +void defrouter_unlink(struct nd_defrouter *, struct nd_drhead *); +void defrouter_del(struct nd_defrouter *); void prelist_remove(struct nd_prefix *); int nd6_prelist_add(struct nd_prefixctl *, struct nd_defrouter *, struct nd_prefix **); void pfxlist_onlink_check(void); struct nd_defrouter *defrouter_lookup(struct in6_addr *, struct ifnet *); +struct nd_defrouter *defrouter_lookup_locked(struct in6_addr *, struct ifnet *); struct nd_prefix *nd6_prefix_lookup(struct nd_prefixctl *); void rt6_flush(struct in6_addr *, struct ifnet *); int nd6_setdefaultiface(int); |
