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bgpd: When bgp notices a change to shared_network inform bfd of it

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When bgp is started up and reads the config in *before* it has
received interface addresses from zebra, shared_network can
be set to false in this case.  Later on once bgp attempts to
reconnect it will refigure out the shared_network again( because
it has received the data from zebra now ).  In this case
tell bfd about it.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2024-12-05 10:16:03 -05:00
parent 7cde71a8e3
commit 3b97cbf77e
1 changed files with 4 additions and 0 deletions
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4
bgpd/bgp_zebra.c
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@ -744,6 +744,7 @@ bool bgp_zebra_nexthop_set(union sockunion *local, union sockunion *remote,
int ret = 0;
struct interface *ifp = NULL;
bool v6_ll_avail = true;
bool shared_network_original = peer->shared_network;
memset(nexthop, 0, sizeof(struct bgp_nexthop));
@ -908,6 +909,9 @@ bool bgp_zebra_nexthop_set(union sockunion *local, union sockunion *remote,
peer->shared_network = false;
}
if (shared_network_original != peer->shared_network)
bgp_peer_bfd_update_source(peer);
/* KAME stack specific treatment. */
#ifdef KAME
if (IN6_IS_ADDR_LINKLOCAL(&nexthop->v6_global)