From c8d5cfbd816aba9cc4199ae65924384155a7b61f Mon Sep 17 00:00:00 2001
From: Andre Oppermann <andre@FreeBSD.org>
Date: Thu, 6 May 2004 13:17:02 +0000
Subject: [PATCH] Link state change notification of ethernet media to the
 routing socket.

o The ndis_ticktask() function updates the ifi_link_state field and
  calls rt_ifmsg() to notify listeners on the routing socket.

Approved by:	wpaul
---
 sys/dev/if_ndis/if_ndis.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/dev/if_ndis/if_ndis.c b/sys/dev/if_ndis/if_ndis.c
index 7b1251ff8581..5c6c0e0f5dfd 100644
--- a/sys/dev/if_ndis/if_ndis.c
+++ b/sys/dev/if_ndis/if_ndis.c
@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
 #include <net/ethernet.h>
 #include <net/if_dl.h>
 #include <net/if_media.h>
+#include <net/route.h>
 
 #include <net/bpf.h>
 
@@ -1063,11 +1064,15 @@ ndis_ticktask(xsc)
 		if (sc->ndis_80211)
 			ndis_getstate_80211(sc);
 		NDIS_LOCK(sc);
+		sc->arpcom.ac_if.if_link_state = LINK_STATE_UP;
+		rt_ifmsg(&(sc->arpcom.ac_if));
 	}
 
 	if (sc->ndis_link == 1 && linkstate == nmc_disconnected) {
 		device_printf(sc->ndis_dev, "link down\n");
 		sc->ndis_link = 0;
+		sc->arpcom.ac_if.if_link_state = LINK_STATE_DOWN;
+		rt_ifmsg(&(sc->arpcom.ac_if));
 	}
 
 	NDIS_UNLOCK(sc);