From 9063f422e28cc8f126337b982fd2b589a38b870b Mon Sep 17 00:00:00 2001
From: Andre Oppermann <andre@FreeBSD.org>
Date: Mon, 3 May 2004 16:30:32 +0000
Subject: [PATCH] Link state change notification of ethernet media to the
 routing socket.

o Print the link state for interface messages in monitor mode.

No objections by:	sam, wpaul, ru, bms
Brucification by:	bde
---
 sbin/route/route.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/sbin/route/route.c b/sbin/route/route.c
index 10fbee6094c5..dcd1ddcaefba 100644
--- a/sbin/route/route.c
+++ b/sbin/route/route.c
@@ -1318,6 +1318,7 @@ print_rtmsg(rtm, msglen)
 	struct ifma_msghdr *ifmam;
 #endif
 	struct if_announcemsghdr *ifan;
+	char *state;
 
 	if (verbose == 0)
 		return;
@@ -1334,7 +1335,19 @@ print_rtmsg(rtm, msglen)
 	switch (rtm->rtm_type) {
 	case RTM_IFINFO:
 		ifm = (struct if_msghdr *)rtm;
-		(void) printf("if# %d, flags:", ifm->ifm_index);
+		(void) printf("if# %d, ", ifm->ifm_index);
+		switch (ifm->ifm_data.ifi_link_state) {
+		case LINK_STATE_DOWN:
+			state = "down";
+			break;
+		case LINK_STATE_UP:
+			state = "up";
+			break;
+		default:
+			state = "unknown";
+			break;
+		}
+		(void) printf("link: %s, flags:", state);
 		bprintf(stdout, ifm->ifm_flags, ifnetflags);
 		pmsg_addrs((char *)(ifm + 1), ifm->ifm_addrs);
 		break;