svn commit: r280120 - head/sys/dev/wpi

Oliver Pinter oliver.pinter at hardenedbsd.org
Sun Mar 15 22:11:59 UTC 2015


On Sun, Mar 15, 2015 at 10:35 PM, Adrian Chadd <adrian at freebsd.org> wrote:
> .. promise I'm done for now.
>
> (God, it'd be nice to use git, or some web ui that lets me batch
> review and commit things like this.)

http://svnweb.freebsd.org/socsvn/soc2014/op/tools/svn-cherry-pick-from-git.csh?view=markup

>
>
> -a
>
>
> On 15 March 2015 at 14:32, Adrian Chadd <adrian at freebsd.org> wrote:
>> Author: adrian
>> Date: Sun Mar 15 21:32:11 2015
>> New Revision: 280120
>> URL: https://svnweb.freebsd.org/changeset/base/280120
>>
>> Log:
>>   Add a new taskqueue (device specific, not net80211 ic->tq); use it for
>>   device restart.
>>
>>   (Committers note - once scan overhaul and a few other things have been
>>   fixed in net80211 to not block things in the taskqueue, this can disappear
>>   and the device specific taskqueues in other drivers can also go away.)
>>
>>   PR:           kern/197143
>>   Submitted by: Andriy Voskoboinyk <s3erios at gmail.com>
>>
>> Modified:
>>   head/sys/dev/wpi/if_wpi.c
>>   head/sys/dev/wpi/if_wpivar.h
>>
>> Modified: head/sys/dev/wpi/if_wpi.c
>> ==============================================================================
>> --- head/sys/dev/wpi/if_wpi.c   Sun Mar 15 21:30:20 2015        (r280119)
>> +++ head/sys/dev/wpi/if_wpi.c   Sun Mar 15 21:32:11 2015        (r280120)
>> @@ -532,6 +532,14 @@ wpi_attach(device_t dev)
>>         TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc);
>>         TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc);
>>
>> +       sc->sc_tq = taskqueue_create("wpi_taskq", M_WAITOK,
>> +           taskqueue_thread_enqueue, &sc->sc_tq);
>> +       error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "wpi_taskq");
>> +       if (error != 0) {
>> +               device_printf(dev, "can't start threads, error %d\n", error);
>> +               goto fail;
>> +       }
>> +
>>         wpi_sysctlattach(sc);
>>
>>         /*
>> @@ -688,6 +696,9 @@ wpi_detach(device_t dev)
>>
>>                 wpi_stop(sc);
>>
>> +               taskqueue_drain_all(sc->sc_tq);
>> +               taskqueue_free(sc->sc_tq);
>> +
>>                 callout_drain(&sc->watchdog_rfkill);
>>                 callout_drain(&sc->tx_timeout);
>>                 callout_drain(&sc->scan_timeout);
>> @@ -2387,8 +2398,6 @@ wpi_intr(void *arg)
>>         WPI_WRITE(sc, WPI_FH_INT, r2);
>>
>>         if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) {
>> -               struct ieee80211com *ic = ifp->if_l2com;
>> -
>>                 device_printf(sc->sc_dev, "fatal firmware error\n");
>>  #ifdef WPI_DEBUG
>>                 wpi_debug_registers(sc);
>> @@ -2397,7 +2406,7 @@ wpi_intr(void *arg)
>>                 DPRINTF(sc, WPI_DEBUG_HW,
>>                     "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" :
>>                     "(Hardware Error)");
>> -               ieee80211_runtask(ic, &sc->sc_reinittask);
>> +               taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
>>                 goto end;
>>         }
>>
>> @@ -2950,10 +2959,9 @@ wpi_scan_timeout(void *arg)
>>  {
>>         struct wpi_softc *sc = arg;
>>         struct ifnet *ifp = sc->sc_ifp;
>> -       struct ieee80211com *ic = ifp->if_l2com;
>>
>>         if_printf(ifp, "scan timeout\n");
>> -       ieee80211_runtask(ic, &sc->sc_reinittask);
>> +       taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
>>  }
>>
>>  static void
>> @@ -2961,11 +2969,10 @@ wpi_tx_timeout(void *arg)
>>  {
>>         struct wpi_softc *sc = arg;
>>         struct ifnet *ifp = sc->sc_ifp;
>> -       struct ieee80211com *ic = ifp->if_l2com;
>>
>>         if_printf(ifp, "device timeout\n");
>>         if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
>> -       ieee80211_runtask(ic, &sc->sc_reinittask);
>> +       taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
>>  }
>>
>>  static int
>>
>> Modified: head/sys/dev/wpi/if_wpivar.h
>> ==============================================================================
>> --- head/sys/dev/wpi/if_wpivar.h        Sun Mar 15 21:30:20 2015        (r280119)
>> +++ head/sys/dev/wpi/if_wpivar.h        Sun Mar 15 21:32:11 2015        (r280120)
>> @@ -228,6 +228,9 @@ struct wpi_softc {
>>         struct task             sc_radioon_task;
>>         struct task             sc_start_task;
>>
>> +       /* Taskqueue */
>> +       struct taskqueue        *sc_tq;
>> +
>>         /* Eeprom info. */
>>         uint8_t                 cap;
>>         uint16_t                rev;
>>
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