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zebra: shutdown doesn't uninstall zebra's NHGs

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When an interface goes down, it signals any related NHGs to
re-validate themselves. During zebra shutdown, ensure we remove
any NHGs we've installed.

Signed-off-by: Mark Stapp <mstapp@nvidia.com>
This commit is contained in:
Mark Stapp 2021-11-16 13:38:31 -05:00
parent 583ba572b7
commit 2472d3e876
1 changed files with 7 additions and 3 deletions
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10
zebra/interface.c
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@ -224,9 +224,13 @@ static int if_zebra_new_hook(struct interface *ifp)
static void if_nhg_dependents_check_valid(struct nhg_hash_entry *nhe)
{
zebra_nhg_check_valid(nhe);
if (!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_VALID))
/* Assuming uninstalled as well here */
UNSET_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED);
if (!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_VALID)) {
/* If we're in shutdown, this interface event needs to clean
* up installed NHGs, so don't clear that flag directly.
*/
if (!zrouter.in_shutdown)
UNSET_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED);
}
}
static void if_down_nhg_dependents(const struct interface *ifp)