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KRT: Fix IPv6 route learn

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Internal table used for route learn was created with non-matching net
type for IPv6 kernel proto.

Thanks to Toke Hoiland-Jorgensen for the bugreport
This commit is contained in:
Ondrej Zajicek (work) 2018-02-06 16:08:45 +01:00
parent 85ad5855a0
commit 28b3b55122
4 changed files with 20 additions and 16 deletions
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7
bird.conf
View File

@ -22,13 +22,14 @@ protocol direct {
# Feed routes to kernel FIB
protocol kernel {
ipv4 { export all; };
# learn; # Learn all routes from the kernel
ipv4 { export all; import all; };
learn; # Learn all routes from the kernel
# scan time 10; # Scan kernel tables every 10 seconds
}
protocol kernel {
ipv6;
ipv6 { import all; };
learn;
}
# Static route feed

2
nest/route.h
View File

@ -282,7 +282,7 @@ void rt_preconfig(struct config *);
void rt_commit(struct config *new, struct config *old);
void rt_lock_table(rtable *);
void rt_unlock_table(rtable *);
void rt_setup(pool *, rtable *, char *, struct rtable_config *);
void rt_setup(pool *, rtable *, struct rtable_config *);
static inline net *net_find(rtable *tab, const net_addr *addr) { return (net *) fib_find(&tab->fib, addr); }
static inline net *net_find_valid(rtable *tab, const net_addr *addr)
{ net *n = net_find(tab, addr); return (n && rte_is_valid(n->routes)) ? n : NULL; }

11
nest/rt-table.c
View File

@ -1599,23 +1599,20 @@ rt_event(void *ptr)
}
void
rt_setup(pool *p, rtable *t, char *name, struct rtable_config *cf)
rt_setup(pool *p, rtable *t, struct rtable_config *cf)
{
bzero(t, sizeof(*t));
t->name = name;
t->name = cf->name;
t->config = cf;
t->addr_type = cf ? cf->addr_type : NET_IP4;
t->addr_type = cf->addr_type;
fib_init(&t->fib, p, t->addr_type, sizeof(net), OFFSETOF(net, n), 0, NULL);
init_list(&t->channels);
if (cf)
{
t->rt_event = ev_new(p);
t->rt_event->hook = rt_event;
t->rt_event->data = t;
t->gc_time = current_time();
}
}
/**
* rt_init - initialize routing tables
@ -2090,7 +2087,7 @@ rt_commit(struct config *new, struct config *old)
{
rtable *t = mb_alloc(rt_table_pool, sizeof(struct rtable));
DBG("\t%s: created\n", r->name);
rt_setup(rt_table_pool, t, r->name, r);
rt_setup(rt_table_pool, t, r);
add_tail(&routing_tables, &t->n);
r->table = t;
}

8
sysdep/unix/krt.c
View File

@ -506,7 +506,13 @@ static void
krt_learn_init(struct krt_proto *p)
{
if (KRT_CF->learn)
rt_setup(p->p.pool, &p->krt_table, "Inherited", NULL);
{
struct rtable_config *cf = mb_allocz(p->p.pool, sizeof(struct rtable_config));
cf->name = "Inherited";
cf->addr_type = p->p.net_type;
rt_setup(p->p.pool, &p->krt_table, cf);
}
}
static void