[src/trunk]: src/sys/arch/mips/alchemy/dev Enable interrupt in aumac_init(). ...

[kiyohara <kiyohara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c92cc5ef9467
branches:  trunk
changeset: 779331:c92cc5ef9467
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sat May 19 15:17:35 2012 +0000

description:
Enable interrupt in aumac_init().  And disable in aumac_stop()/aumac_attach().
Interrupt storm happen if received packet and DMA not set.

diffstat:

 sys/arch/mips/alchemy/dev/if_aumac.c |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (52 lines):

diff -r 8b838e11e9d1 -r c92cc5ef9467 sys/arch/mips/alchemy/dev/if_aumac.c
--- a/sys/arch/mips/alchemy/dev/if_aumac.c      Sat May 19 14:47:37 2012 +0000
+++ b/sys/arch/mips/alchemy/dev/if_aumac.c      Sat May 19 15:17:35 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_aumac.c,v 1.34 2012/02/02 19:42:59 tls Exp $ */
+/* $NetBSD: if_aumac.c,v 1.35 2012/05/19 15:17:35 kiyohara Exp $ */
 
 /*
  * Copyright (c) 2001 Wasabi Systems, Inc.
@@ -46,7 +46,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_aumac.c,v 1.34 2012/02/02 19:42:59 tls Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_aumac.c,v 1.35 2012/05/19 15:17:35 kiyohara Exp $");
 
 
 
@@ -123,6 +123,7 @@
        struct ethercom sc_ethercom;    /* Ethernet common data */
        void *sc_sdhook;                /* shutdown hook */
 
+       int sc_irq;
        void *sc_ih;                    /* interrupt cookie */
 
        struct mii_data sc_mii;         /* MII/media information */
@@ -272,6 +273,8 @@
                    "unable to register interrupt handler\n");
                return;
        }
+       sc->sc_irq = aa->aa_irq[0];
+       au_intr_disable(sc->sc_irq);
 
        /*
         * Allocate space for the transmit and receive buffers.
@@ -808,6 +811,7 @@
        ifp->if_flags |= IFF_RUNNING; 
        ifp->if_flags &= ~IFF_OACTIVE;
 
+       au_intr_enable(sc->sc_irq);
 out:
        if (error)
                printf("%s: interface not running\n", device_xname(sc->sc_dev));
@@ -836,6 +840,8 @@
        /* Power down/reset the MAC. */
        aumac_powerdown(sc);
 
+       au_intr_disable(sc->sc_irq);
+
        /* Mark the interface as down and cancel the watchdog timer. */
        ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
        ifp->if_timer = 0;