Date: Wed, 28 Nov 2001 09:47:33 +0100 From: Guido van Rooij <guido@gvr.org> To: Andy Sparrow <spadger@best.com> Cc: Najib Ninaba <najib_ninaba@yahoo.com>, Warner Losh <imp@harmony.village.org>, freebsd-mobile@FreeBSD.ORG, andy@CRWdog.demon.co.uk Subject: Re: pccard kernel config for OmniBook 500 Message-ID: <20011128094733.B23373@gvr.gvr.org> In-Reply-To: <20011127200613.4DCCE3E17@CRWdog.demon.co.uk>; from spadger@best.com on Tue, Nov 27, 2001 at 12:06:13PM -0800 References: <guido@gvr.org> <20011127200613.4DCCE3E17@CRWdog.demon.co.uk>
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On Tue, Nov 27, 2001 at 12:06:13PM -0800, Andy Sparrow wrote:
> Hmmm. On my 6000, sometimes the xl0 doesn't come back, and I need to suspend &
> resume again to get a link light.
>
> Quite often, it won't respond post-resume until I get an 'xl0: watchdog
> timeout' message, and then the driver re-sets and it's fine. The link light
> seems to be the clue here, although I'm sure I've seen it recover from "no
> link light" after a driver reset too... :)
>
> Infrequently, I need to reboot to get the NIC into a sane state (although
> sound causes me to do this more often than the NIC).
>
> Fairly often under heavy (network) load, the xl0 will get watchdog timeouts.
> Other than that, it seems to work OK. The 'fxp0' in the 6100 works like a
> champ, however...
>
W.r.t suspend/resume probs: try the attached patch which is currently
under review.
-Guido
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Index: if_xl.c
===================================================================
RCS file: /scratch/cvsup/freebsd/CVS/src/sys/pci/if_xl.c,v
retrieving revision 1.72.2.8
diff -u -r1.72.2.8 if_xl.c
--- if_xl.c 2001/10/27 03:31:34 1.72.2.8
+++ if_xl.c 2001/11/27 15:42:46
@@ -220,6 +220,8 @@
static void xl_stop __P((struct xl_softc *));
static void xl_watchdog __P((struct ifnet *));
static void xl_shutdown __P((device_t));
+static int xl_suspend __P((device_t));
+static int xl_resume __P((device_t));
static int xl_ifmedia_upd __P((struct ifnet *));
static void xl_ifmedia_sts __P((struct ifnet *, struct ifmediareq *));
@@ -266,6 +268,8 @@
DEVMETHOD(device_attach, xl_attach),
DEVMETHOD(device_detach, xl_detach),
DEVMETHOD(device_shutdown, xl_shutdown),
+ DEVMETHOD(device_suspend, xl_suspend),
+ DEVMETHOD(device_resume, xl_resume),
/* bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
@@ -2516,6 +2520,7 @@
printf("xl%d: initialization failed: no "
"memory for rx buffers\n", sc->xl_unit);
xl_stop(sc);
+ splx(s);
return;
}
@@ -2961,4 +2966,37 @@
xl_stop(sc);
return;
+}
+
+static int xl_suspend(dev)
+ device_t dev;
+{
+ struct xl_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ s = splimp();
+ xl_stop(sc);
+ splx(s);
+
+ return(0);
+}
+
+static int xl_resume(dev)
+ device_t dev;
+{
+ struct xl_softc *sc;
+ struct ifnet *ifp;
+ int s;
+
+ s = splimp();
+ sc = device_get_softc(dev);
+ ifp = &sc->arpcom.ac_if;
+
+ xl_reset(sc);
+ if (ifp->if_flags & IFF_UP)
+ xl_init(sc);
+
+ splx(s);
+ return(0);
}
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