diff options
| author | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2001-02-23 08:01:16 +0000 |
|---|---|---|
| committer | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2001-02-23 08:01:16 +0000 |
| commit | ee92a78a07de28510ab421aa0f65f73975dd9542 (patch) | |
| tree | 2c24df812578750baccca4717e73b044d0acea72 /sys/netinet6/nd6_nbr.c | |
| parent | c5972f77e51a502883d865719f0fe4e4f6c8685a (diff) | |
garbage-collect stale ND entries (default: 1 day).
RFC 2461 5.3. sync with kame.
Diffstat (limited to 'sys/netinet6/nd6_nbr.c')
| -rw-r--r-- | sys/netinet6/nd6_nbr.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sys/netinet6/nd6_nbr.c b/sys/netinet6/nd6_nbr.c index 7543f6ee3fb..2cea5d8c037 100644 --- a/sys/netinet6/nd6_nbr.c +++ b/sys/netinet6/nd6_nbr.c @@ -1,5 +1,5 @@ -/* $OpenBSD: nd6_nbr.c,v 1.15 2001/02/16 16:08:01 itojun Exp $ */ -/* $KAME: nd6_nbr.c,v 1.58 2001/02/08 10:57:00 itojun Exp $ */ +/* $OpenBSD: nd6_nbr.c,v 1.16 2001/02/23 08:01:15 itojun Exp $ */ +/* $KAME: nd6_nbr.c,v 1.61 2001/02/10 16:06:14 jinmei Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -653,8 +653,10 @@ nd6_na_input(m, off, icmp6len) if (ln->ln_expire) ln->ln_expire = time.tv_sec + nd_ifinfo[rt->rt_ifp->if_index].reachable; - } else + } else { ln->ln_state = ND6_LLINFO_STALE; + ln->ln_expire = time.tv_sec + nd6_gctimer; + } ln->ln_router = is_router; } else { int llchange; @@ -698,8 +700,10 @@ nd6_na_input(m, off, icmp6len) * If state is REACHABLE, make it STALE. * no other updates should be done. */ - if (ln->ln_state == ND6_LLINFO_REACHABLE) + if (ln->ln_state == ND6_LLINFO_REACHABLE) { ln->ln_state = ND6_LLINFO_STALE; + ln->ln_expire = time.tv_sec + nd6_gctimer; + } goto freeit; } else if (is_override /* (2a) */ || (!is_override && (lladdr && !llchange)) /* (2b) */ @@ -725,8 +729,10 @@ nd6_na_input(m, off, icmp6len) nd_ifinfo[ifp->if_index].reachable; } } else { - if (lladdr && llchange) + if (lladdr && llchange) { ln->ln_state = ND6_LLINFO_STALE; + ln->ln_expire = time.tv_sec + nd6_gctimer; + } } } |