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-rw-r--r--sys/net/if.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/net/if.c b/sys/net/if.c
index 7ffb296..8310190 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -430,6 +430,9 @@ if_attach(ifp)
TAILQ_INSERT_HEAD(&ifp->if_addrhead, ifa, ifa_link);
}
ifp->if_broadcastaddr = 0; /* reliably crash if used uninitialized */
+
+ /* Announce the interface. */
+ rt_ifannouncemsg(ifp, IFAN_ARRIVAL);
}
/*
@@ -511,6 +514,9 @@ if_detach(ifp)
(void) rnh->rnh_walktree(rnh, if_rtdel, ifp);
}
+ /* Announce that the interface is gone. */
+ rt_ifannouncemsg(ifp, IFAN_DEPARTURE);
+
KNOTE(&ifp->if_klist, NOTE_EXIT);
TAILQ_REMOVE(&ifnet, ifp, if_link);
mtx_destroy(&ifp->if_snd.ifq_mtx);
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