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Many changes in (mainly) kernel syncers.

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- BSD kernel syncer is now self-conscious and can learn alien routes
- important bugfix in BSD kernel syncer (crash after protocol restart)
- many minor changes and bugfixes in kernel syncers and neighbor cache
- direct protocol does not generate host and link local routes
- min_scope check is removed, all routes have SCOPE_UNIVERSE by default
- also fixes some remaining compiler warnings
This commit is contained in:
Ondrej Zajicek
2010-02-26 10:55:58 +01:00
parent e81b440f68
commit ff2857b03d
19 changed files with 279 additions and 298 deletions
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40
sysdep/unix/krt.c
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@@ -558,32 +558,30 @@ krt_got_route(struct krt_proto *p, rte *e)
rte *old;
net *net = e->net;
int verdict;
#ifdef KRT_ALLOW_LEARN
int src = e->u.krt.src;
#endif
#ifdef CONFIG_AUTO_ROUTES
if (e->attrs->dest == RTD_DEVICE)
#ifdef KRT_ALLOW_LEARN
switch (e->u.krt.src)
{
/* It's a device route. Probably a kernel-generated one. */
case KRT_SRC_KERNEL:
verdict = KRF_IGNORE;
goto sentenced;
}
#endif
#ifdef KRT_ALLOW_LEARN
if (src == KRT_SRC_ALIEN)
{
case KRT_SRC_REDIRECT:
verdict = KRF_DELETE;
goto sentenced;
case KRT_SRC_ALIEN:
if (KRT_CF->learn)
krt_learn_scan(p, e);
else
{
krt_trace_in_rl(&rl_alien_ignored, p, e, "alien route, ignored");
krt_trace_in_rl(&rl_alien_ignored, p, e, "[alien] ignored");
rte_free(e);
}
return;
}
#endif
/* The rest is for KRT_SRC_BIRD (or KRT_SRC_UNKNOWN) */
if (net->n.flags & KRF_VERDICT_MASK)
{
@@ -605,7 +603,7 @@ krt_got_route(struct krt_proto *p, rte *e)
else
verdict = KRF_DELETE;
sentenced:
sentenced:
krt_trace_in(p, e, ((char *[]) { "?", "seen", "will be updated", "will be removed", "ignored" }) [verdict]);
net->n.flags = (net->n.flags & ~KRF_VERDICT_MASK) | verdict;
if (verdict == KRF_UPDATE || verdict == KRF_DELETE)
@@ -680,19 +678,24 @@ krt_prune(struct krt_proto *p)
}
void
krt_got_route_async(struct krt_proto *p, rte *e, int new UNUSED)
krt_got_route_async(struct krt_proto *p, rte *e, int new)
{
net *net = e->net;
int src = e->u.krt.src;
switch (src)
switch (e->u.krt.src)
{
case KRT_SRC_BIRD:
ASSERT(0); /* Should be filtered by the back end */
case KRT_SRC_REDIRECT:
DBG("It's a redirect, kill him! Kill! Kill!\n");
krt_set_notify(p, net, NULL, e);
if (new)
{
krt_trace_in(p, e, "[redirect] deleting");
krt_set_notify(p, net, NULL, e);
}
/* If !new, it is probably echo of our deletion */
break;
#ifdef KRT_ALLOW_LEARN
case KRT_SRC_ALIEN:
if (KRT_CF->learn)
@@ -878,7 +881,6 @@ krt_init(struct proto_config *c)
p->p.accept_ra_types = RA_OPTIMAL;
p->p.rt_notify = krt_notify;
p->p.min_scope = SCOPE_HOST;
return &p->p;
}