Author: avos
Date: Mon Mar 21 23:25:41 2016
New Revision: 297173
URL: https://svnweb.freebsd.org/changeset/base/297173

Log:
  wpi: remove internal taskqueue
  
  - Replace sc_reinittask() by ieee80211_restart_all() (mostly the same).
  - Revert r282377 (seems to be unneeded now).
  
  Tested with Intel 3945BG, STA mode.
  
  Differential Revision:        https://reviews.freebsd.org/D5056

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   Mon Mar 21 23:22:19 2016        (r297172)
+++ head/sys/dev/wpi/if_wpi.c   Mon Mar 21 23:25:41 2016        (r297173)
@@ -284,7 +284,6 @@ static void wpi_scan_end(struct ieee8021
 static void    wpi_set_channel(struct ieee80211com *);
 static void    wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long);
 static void    wpi_scan_mindwell(struct ieee80211_scan_state *);
-static void    wpi_hw_reset(void *, int);
 
 static device_method_t wpi_methods[] = {
        /* Device interface */
@@ -531,18 +530,9 @@ wpi_attach(device_t dev)
        callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0);
        callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0);
        callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0);
-       TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc);
        TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc);
        TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, 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);
 
        /*
@@ -695,14 +685,10 @@ wpi_detach(device_t dev)
 
        if (ic->ic_vap_create == wpi_vap_create) {
                ieee80211_draintask(ic, &sc->sc_radioon_task);
+               ieee80211_draintask(ic, &sc->sc_radiooff_task);
 
                wpi_stop(sc);
 
-               if (sc->sc_tq != NULL) {
-                       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);
@@ -2332,7 +2318,7 @@ wpi_notif_intr(struct wpi_softc *sc)
                                WPI_NT_LOCK(sc);
                                wpi_clear_node_table(sc);
                                WPI_NT_UNLOCK(sc);
-                               taskqueue_enqueue(sc->sc_tq,
+                               ieee80211_runtask(ic,
                                    &sc->sc_radiooff_task);
                                return;
                        }
@@ -2569,6 +2555,8 @@ wpi_intr(void *arg)
        WPI_WRITE(sc, WPI_FH_INT, r2);
 
        if (__predict_false(r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR))) {
+               struct ieee80211com *ic = &sc->sc_ic;
+
                device_printf(sc->sc_dev, "fatal firmware error\n");
 #ifdef WPI_DEBUG
                wpi_debug_registers(sc);
@@ -2577,7 +2565,7 @@ wpi_intr(void *arg)
                DPRINTF(sc, WPI_DEBUG_HW,
                    "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" :
                    "(Hardware Error)");
-               taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
+               ieee80211_restart_all(ic);
                goto end;
        }
 
@@ -3200,7 +3188,7 @@ wpi_scan_timeout(void *arg)
        struct ieee80211com *ic = &sc->sc_ic;
 
        ic_printf(ic, "scan timeout\n");
-       taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
+       ieee80211_restart_all(ic);
 }
 
 static void
@@ -3210,7 +3198,7 @@ wpi_tx_timeout(void *arg)
        struct ieee80211com *ic = &sc->sc_ic;
 
        ic_printf(ic, "device timeout\n");
-       taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask);
+       ieee80211_restart_all(ic);
 }
 
 static void
@@ -3227,8 +3215,10 @@ wpi_parent(struct ieee80211com *ic)
                        ieee80211_notify_radio(ic, 0);
                        ieee80211_stop(vap);
                }
-       } else
+       } else {
+               ieee80211_notify_radio(ic, 0);
                wpi_stop(sc);
+       }
 }
 
 /*
@@ -5654,23 +5644,3 @@ wpi_scan_mindwell(struct ieee80211_scan_
 {
        /* NB: don't try to abort scan; wait for firmware to finish */
 }
-
-static void
-wpi_hw_reset(void *arg, int pending)
-{
-       struct wpi_softc *sc = arg;
-       struct ieee80211com *ic = &sc->sc_ic;
-       struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
-
-       DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__);
-
-       ieee80211_notify_radio(ic, 0);
-       if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN))
-               ieee80211_cancel_scan(vap);
-
-       wpi_stop(sc);
-       if (vap != NULL) {
-               ieee80211_stop(vap);
-               ieee80211_init(vap);
-       }
-}

Modified: head/sys/dev/wpi/if_wpivar.h
==============================================================================
--- head/sys/dev/wpi/if_wpivar.h        Mon Mar 21 23:22:19 2016        
(r297172)
+++ head/sys/dev/wpi/if_wpivar.h        Mon Mar 21 23:25:41 2016        
(r297173)
@@ -228,13 +228,9 @@ struct wpi_softc {
        struct wpi_dma_info     fw_dma;
 
        /* Tasks used by the driver. */
-       struct task             sc_reinittask;
        struct task             sc_radiooff_task;
        struct task             sc_radioon_task;
 
-       /* Taskqueue */
-       struct taskqueue        *sc_tq;
-
        /* Eeprom info. */
        uint8_t                 cap;
        uint16_t                rev;
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"

Reply via email to