From 5fefadf0040952304b1fc870800d232854fbc325 Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Sat, 10 Jan 2015 18:56:55 +0000
Subject: [PATCH] Disable (most) interrupts when the interface goes down.

---
 sys/dev/pci/if_nep.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sys/dev/pci/if_nep.c b/sys/dev/pci/if_nep.c
index 97ce3f8350f..4d2471387db 100644
--- a/sys/dev/pci/if_nep.c
+++ b/sys/dev/pci/if_nep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_nep.c,v 1.14 2015/01/10 17:02:17 kettenis Exp $	*/
+/*	$OpenBSD: if_nep.c,v 1.15 2015/01/10 18:56:55 kettenis Exp $	*/
 /*
  * Copyright (c) 2014, 2015 Mark Kettenis
  *
@@ -1549,6 +1549,11 @@ nep_down(struct nep_softc *sc)
 
 	timeout_del(&sc->sc_tick);
 
+	/* Disable interrupts. */
+	nep_write(sc, LD_IM1(LDN_MAC(sc->sc_port)), 1);
+	nep_write(sc, LD_IM0(LDN_RXDMA(sc->sc_port)), 1);
+	nep_write(sc, LD_IM0(LDN_TXDMA(sc->sc_port)), 1);
+
 	ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
 	ifp->if_timer = 0;
 
-- 
2.20.1