diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-12 00:41:36 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-12 00:43:19 +0200 |
| commit | 70a4320bdd44122d7a93bc71c77a9d684b3c9adc (patch) | |
| tree | 01e1d376a979ca0e71ebd016f89439c1f3dbd68c /proto/radv/radv.c | |
| parent | 9f3e09832081bc029dc98ae6dda49ee86d138fde (diff) | |
RAdv: Allow solicited RAs to be sent as unicast
Add option to send solicited router advertisements as unicast directly
to soliciting nodes instead of as multicast to all-nodes group.
Diffstat (limited to 'proto/radv/radv.c')
| -rw-r--r-- | proto/radv/radv.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/proto/radv/radv.c b/proto/radv/radv.c index 990b6024..622b3c3c 100644 --- a/proto/radv/radv.c +++ b/proto/radv/radv.c @@ -1,6 +1,8 @@ /* * BIRD -- Router Advertisement * + * (c) 2011--2019 Ondrej Zajicek <santiago@crfreenet.org> + * (c) 2011--2019 CZ.NIC z.s.p.o. * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -35,18 +37,14 @@ * case of the specified trigger prefix was changed. * * Supported standards: - * - RFC 4861 - main RA standard - * - RFC 4191 - Default Router Preferences and More-Specific Routes - * - RFC 6106 - DNS extensions (RDDNS, DNSSL) + * RFC 4861 - main RA standard + * RFC 4191 - Default Router Preferences and More-Specific Routes + * RFC 6106 - DNS extensions (RDDNS, DNSSL) */ static void radv_prune_prefixes(struct radv_iface *ifa); static void radv_prune_routes(struct radv_proto *p); -/* Invalidate cached RA packet */ -static inline void radv_invalidate(struct radv_iface *ifa) -{ ifa->plen = 0; } - static void radv_timer(timer *tm) { @@ -56,16 +54,13 @@ radv_timer(timer *tm) RADV_TRACE(D_EVENTS, "Timer fired on %s", ifa->iface->name); - if (ifa->valid_time <= now) - radv_invalidate(ifa); - if (ifa->prune_time <= now) radv_prune_prefixes(ifa); if (p->prune_time <= now) radv_prune_routes(p); - radv_send_ra(ifa); + radv_send_ra(ifa, IPA_NONE); /* Update timer */ ifa->last = now; @@ -627,7 +622,7 @@ radv_iface_shutdown(struct radv_iface *ifa) if (ifa->sk) { radv_invalidate(ifa); - radv_send_ra(ifa); + radv_send_ra(ifa, IPA_NONE); } } |