+++ /dev/null
-Index: madwifi-ng-r2568-20070710/ath/if_ath.c
-===================================================================
---- madwifi-ng-r2568-20070710.orig/ath/if_ath.c 2007-07-23 01:48:45.690583928 +0200
-+++ madwifi-ng-r2568-20070710/ath/if_ath.c 2007-07-23 01:48:46.026603077 +0200
-@@ -153,6 +153,7 @@
- static void ath_turbo_switch_mode(unsigned long);
- static int ath_check_beacon_done(struct ath_softc *);
- #endif
-+static void ath_do_calibrate(struct net_device *);
- static void ath_beacon_send(struct ath_softc *, int *);
- static void ath_beacon_start_adhoc(struct ath_softc *, struct ieee80211vap *);
- static void ath_beacon_return(struct ath_softc *, struct ath_buf *);
-@@ -4175,7 +4176,7 @@
- DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
- "%s: missed %u consecutive beacons\n",
- __func__, sc->sc_bmisscount);
-- if (sc->sc_bmisscount > BSTUCK_THRESH)
-+ if (sc->sc_bmisscount > BSTUCK_CALIBR_THR)
- ATH_SCHEDULE_TQUEUE(&sc->sc_bstucktq, needmark);
- return;
- }
-@@ -4314,8 +4315,17 @@
- * check will be true, in which case return
- * without resetting the driver.
- */
-- if (sc->sc_bmisscount <= BSTUCK_THRESH)
-+ if (sc->sc_bmisscount <= BSTUCK_CALIBR_THR)
- return;
-+
-+ if (sc->sc_bmisscount <= BSTUCK_RESET_THR) {
-+ ATH_LOCK(sc);
-+ ath_do_calibrate(dev);
-+ mod_timer(&sc->sc_cal_ch, jiffies + (ath_calinterval * HZ));
-+ ATH_UNLOCK(sc);
-+ return;
-+ }
-+
- printk("%s: stuck beacon; resetting (bmiss count %u)\n",
- DEV_NAME(dev), sc->sc_bmisscount);
- ath_reset(dev);
-@@ -8029,17 +8039,13 @@
- * Periodically recalibrate the PHY to account
- * for temperature/environment changes.
- */
--static void
--ath_calibrate(unsigned long arg)
-+static void ath_do_calibrate(struct net_device *dev)
- {
-- struct net_device *dev = (struct net_device *) arg;
- struct ath_softc *sc = dev->priv;
- struct ath_hal *ah = sc->sc_ah;
-- /* u_int32_t nchans; */
- HAL_BOOL isIQdone = AH_FALSE;
-
- sc->sc_stats.ast_per_cal++;
--
- DPRINTF(sc, ATH_DEBUG_CALIBRATE, "%s: channel %u/%x\n",
- __func__, sc->sc_curchan.channel, sc->sc_curchan.channelFlags);
-
-@@ -8057,15 +8063,26 @@
- __func__, sc->sc_curchan.channel);
- sc->sc_stats.ast_per_calfail++;
- }
--
-- ath_hal_process_noisefloor(ah);
- if (isIQdone == AH_TRUE)
- ath_calinterval = ATH_LONG_CALINTERVAL;
- else
- ath_calinterval = ATH_SHORT_CALINTERVAL;
-+}
-+
-+static void
-+ath_calibrate(unsigned long arg)
-+{
-+ struct net_device *dev = (struct net_device *) arg;
-+ struct ath_softc *sc = dev->priv;
-+ struct ath_hal *ah = sc->sc_ah;
-+
-+ ATH_LOCK(sc);
-+ ath_do_calibrate(dev);
-+ ath_hal_process_noisefloor(ah);
-
- sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ);
- add_timer(&sc->sc_cal_ch);
-+ ATH_UNLOCK(sc);
- }
-
- static void
-Index: madwifi-ng-r2568-20070710/ath/if_athvar.h
-===================================================================
---- madwifi-ng-r2568-20070710.orig/ath/if_athvar.h 2007-07-23 01:48:45.406567742 +0200
-+++ madwifi-ng-r2568-20070710/ath/if_athvar.h 2007-07-23 01:48:46.026603077 +0200
-@@ -538,7 +538,8 @@
- */
- #define ATH_TXQ_MOVE_Q(_tqs,_tqd) ATH_TXQ_MOVE_MCASTQ(_tqs,_tqd)
-
--#define BSTUCK_THRESH 10 /* # of stuck beacons before resetting NB: this is a guess*/
-+#define BSTUCK_CALIBR_THR 3 /* # of stuck beacons before restarting calibration */
-+#define BSTUCK_RESET_THR 10 /* # of stuck beacons before resetting NB: this is a guess*/
-
- struct ath_softc {
- struct ieee80211com sc_ic; /* NB: must be first */
--- /dev/null
+Index: madwifi-ng-r2568-20070710/ath/if_ath.c
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/ath/if_ath.c 2007-08-01 11:07:47.882943145 +0200
++++ madwifi-ng-r2568-20070710/ath/if_ath.c 2007-08-01 11:41:11.781138794 +0200
+@@ -203,6 +203,7 @@
+ static void ath_flushrecv(struct ath_softc *);
+ static void ath_chan_change(struct ath_softc *, struct ieee80211_channel *);
+ static void ath_calibrate(unsigned long);
++static void ath_mib_enable(unsigned long);
+ static int ath_newstate(struct ieee80211vap *, enum ieee80211_state, int);
+
+ static void ath_scan_start(struct ieee80211com *);
+@@ -660,6 +661,10 @@
+ sc->sc_cal_ch.function = ath_calibrate;
+ sc->sc_cal_ch.data = (unsigned long) dev;
+
++ init_timer(&sc->sc_mib_enable);
++ sc->sc_mib_enable.function = ath_mib_enable;
++ sc->sc_mib_enable.data = (unsigned long) sc;
++
+ #ifdef ATH_SUPERG_DYNTURBO
+ init_timer(&sc->sc_dturbo_switch_mode);
+ sc->sc_dturbo_switch_mode.function = ath_turbo_switch_mode;
+@@ -1751,16 +1756,19 @@
+ if (status & HAL_INT_MIB) {
+ sc->sc_stats.ast_mib++;
+ /*
+- * Disable interrupts until we service the MIB
+- * interrupt; otherwise it will continue to fire.
+- */
+- ath_hal_intrset(ah, 0);
+- /*
+- * Let the HAL handle the event. We assume it will
+- * clear whatever condition caused the interrupt.
++ * When the card receives lots of PHY errors, the MIB
++ * interrupt will fire at a very rapid rate. We will use
++ * a timer to enforce at least 1 jiffy delay between
++ * MIB interrupts. This should be unproblematic, since
++ * the hardware will continue to update the counters in the
++ * mean time.
+ */
+- ath_hal_mibevent(ah, &sc->sc_halstats);
++ sc->sc_imask &= ~HAL_INT_MIB;
+ ath_hal_intrset(ah, sc->sc_imask);
++ mod_timer(&sc->sc_mib_enable, jiffies + 1);
++
++ /* Let the HAL handle the event. */
++ ath_hal_mibevent(ah, &sc->sc_halstats);
+ }
+ }
+ if (needmark)
+@@ -8029,6 +8037,19 @@
+ }
+
+ /*
++ * Enable MIB interrupts again, after the ISR disabled them
++ * to slow down the rate of PHY error reporting.
++ */
++static void
++ath_mib_enable(unsigned long arg)
++{
++ struct ath_softc *sc = (struct ath_softc *) arg;
++
++ sc->sc_imask |= HAL_INT_MIB;
++ ath_hal_intrset(sc->sc_ah, sc->sc_imask);
++}
++
++/*
+ * Periodically recalibrate the PHY to account
+ * for temperature/environment changes.
+ */
+Index: madwifi-ng-r2568-20070710/ath/if_athvar.h
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/ath/if_athvar.h 2007-08-01 11:33:50.800008711 +0200
++++ madwifi-ng-r2568-20070710/ath/if_athvar.h 2007-08-01 11:34:33.202425088 +0200
+@@ -687,6 +687,7 @@
+ struct ctl_table *sc_sysctls;
+
+ u_int16_t sc_reapcount; /* # of tx buffers reaped after net dev stopped */
++ struct timer_list sc_mib_enable;
+
+ #ifdef ATH_REVERSE_ENGINEERING
+ u_int8_t register_snapshot[MAX_REGISTER_ADDRESS];
projects / openwrt / openwrt.git / commitdiff