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platform: ensure refetching routes when link goes down

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It's not enough to consider IF_LOWER_UP flag. Instead,
the important flag is actually IF_UP.

Actually, I suspect that IF_LOWER_UP is not needed. But for
now leave it, in order not to break something.
This commit is contained in:
Thomas Haller 2016-04-15 20:53:15 +02:00
parent 35a7ea77b0
commit 02e84ba1e8
1 changed files with 7 additions and 2 deletions
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9
src/platform/nm-linux-platform.c
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@ -3301,9 +3301,14 @@ cache_pre_hook (NMPCache *cache, const NMPObject *old, const NMPObject *new, NMP
if ( ops_type == NMP_CACHE_OPS_UPDATED
&& old && new /* <-- nonsensical, make coverity happy */
&& old->_link.netlink.is_in_netlink
&& NM_FLAGS_HAS (old->link.n_ifi_flags, IFF_LOWER_UP)
&& new->_link.netlink.is_in_netlink
&& !NM_FLAGS_HAS (new->link.n_ifi_flags, IFF_LOWER_UP)) {
&& ( ( NM_FLAGS_HAS (old->link.n_ifi_flags, IFF_UP)
&& !NM_FLAGS_HAS (new->link.n_ifi_flags, IFF_UP))
|| ( NM_FLAGS_HAS (old->link.n_ifi_flags, IFF_LOWER_UP)
&& !NM_FLAGS_HAS (new->link.n_ifi_flags, IFF_LOWER_UP)))) {
/* FIXME: I suspect that IFF_LOWER_UP must not be considered, and I
* think kernel does send RTM_DELROUTE events for IPv6 routes, so
* we might not need to refresh IPv6 routes. */
delayed_action_schedule (platform,
DELAYED_ACTION_TYPE_REFRESH_ALL_IP4_ROUTES |
DELAYED_ACTION_TYPE_REFRESH_ALL_IP6_ROUTES,