From 223e90573fc2cb893d5143ff30abb2162e65e735 Mon Sep 17 00:00:00 2001
From: Hartmut Brandt <harti@FreeBSD.org>
Date: Wed, 30 Jul 2003 08:35:58 +0000
Subject: [PATCH] Generate events when the carrier goes up or down.

Add two sysctl's that allow read-only access to the current
state of the utopia interface and to the carrier state.
---
 sys/dev/utopia/utopia.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sys/dev/utopia/utopia.c b/sys/dev/utopia/utopia.c
index 9cf412a253a7..2d84c713e777 100644
--- a/sys/dev/utopia/utopia.c
+++ b/sys/dev/utopia/utopia.c
@@ -158,12 +158,14 @@ utopia_check_carrier(struct utopia *utp, u_int carr_ok)
 		utp->carrier = UTP_CARR_OK;
 		if (old != UTP_CARR_OK) {
 			if_printf(&utp->ifatm->ifnet, "carrier detected\n");
+			ATMEV_SEND_IFSTATE_CHANGED(utp->ifatm, 1);
 		}
 	} else {
 		/* no carrier */
 		utp->carrier = UTP_CARR_LOST;
 		if (old == UTP_CARR_OK) {
 			if_printf(&utp->ifatm->ifnet, "carrier lost\n");
+			ATMEV_SEND_IFSTATE_CHANGED(utp->ifatm, 0);
 		}
 	}
 }
@@ -1435,6 +1437,14 @@ utopia_attach(struct utopia *utp, struct ifatm *ifatm, struct ifmedia *media,
 	    "phy statistics") == NULL)
 		return (-1);
 
+	if (SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "phy_state",
+	    CTLFLAG_RD, &utp->state, 0, "phy state") == NULL)
+		return (-1);
+
+	if (SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "phy_carrier",
+	    CTLFLAG_RD, &utp->carrier, 0, "phy carrier") == NULL)
+		return (-1);
+
 	UTP_WLOCK_LIST();
 	LIST_INSERT_HEAD(&utopia_list, utp, link);
 	UTP_WUNLOCK_LIST();