Author: ae
Date: Sat Jun 9 09:57:14 2018
New Revision: 334875
URL: https://svnweb.freebsd.org/changeset/base/334875
Log:
Explicitly change the link state when we assingn an address.
Since we are setting IFF_UP flag on SIOCSIFADDR, it is possible, that
after this link state information still not initialized properly.
This leads to problems with routing, since now interface has
IFCAP_LINKSTATE capability and a route is considered as working only
when interface's link state is in LINK_STATE_UP (see RT_LINK_IS_UP()
macro).
Reported by: Marek Zarychta
MFC after: 3 days
Modified:
head/sys/net/if_loop.c
Modified: head/sys/net/if_loop.c
==============================================================================
--- head/sys/net/if_loop.c Sat Jun 9 04:54:36 2018 (r334874)
+++ head/sys/net/if_loop.c Sat Jun 9 09:57:14 2018 (r334875)
@@ -380,6 +380,7 @@ loioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
ifp->if_drv_flags |= IFF_DRV_RUNNING;
+ if_link_state_change(ifp, LINK_STATE_UP);
/*
* Everything else is done at a higher level.
*/
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