diff options
Diffstat (limited to 'package/madwifi/patches/330-beaconcal.patch')
| -rw-r--r-- | package/madwifi/patches/330-beaconcal.patch | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/package/madwifi/patches/330-beaconcal.patch b/package/madwifi/patches/330-beaconcal.patch new file mode 100644 index 000000000..a338dc743 --- /dev/null +++ b/package/madwifi/patches/330-beaconcal.patch @@ -0,0 +1,166 @@ +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -397,6 +397,7 @@ static int countrycode = -1; + static int maxvaps = -1; + static int outdoor = -1; + static int xchanmode = -1; ++static int beacon_cal = 1; + + static const char *hal_status_desc[] = { + "No error", +@@ -422,6 +423,7 @@ static struct notifier_block ath_event_b + }; + + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52)) ++MODULE_PARM(beacon_cal, "i"); + MODULE_PARM(countrycode, "i"); + MODULE_PARM(maxvaps, "i"); + MODULE_PARM(outdoor, "i"); +@@ -434,6 +436,7 @@ MODULE_PARM(autocreate, "s"); + MODULE_PARM(ratectl, "s"); + #else + #include <linux/moduleparam.h> ++module_param(beacon_cal, int, 0600); + module_param(countrycode, int, 0600); + module_param(maxvaps, int, 0600); + module_param(outdoor, int, 0600); +@@ -2600,7 +2603,8 @@ ath_stop_locked(struct net_device *dev) + } + if (!sc->sc_invalid) { + del_timer_sync(&sc->sc_dfs_cac_timer); +- del_timer_sync(&sc->sc_cal_ch); ++ if (!sc->sc_beacon_cal) ++ del_timer_sync(&sc->sc_cal_ch); + } + ath_draintxq(sc); + if (!sc->sc_invalid) { +@@ -2617,6 +2621,20 @@ ath_stop_locked(struct net_device *dev) + return 0; + } + ++static void ath_set_beacon_cal(struct ath_softc *sc, int val) ++{ ++ if (sc->sc_beacon_cal == !!val) ++ return; ++ ++ if (val) { ++ del_timer_sync(&sc->sc_cal_ch); ++ } else { ++ sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ); ++ add_timer(&sc->sc_cal_ch); ++ } ++ sc->sc_beacon_cal = !!val && beacon_cal; ++} ++ + /* + * Stop the device, grabbing the top-level lock to protect + * against concurrent entry through ath_init (which can happen +@@ -2742,6 +2760,12 @@ ath_reset(struct net_device *dev) + HAL_STATUS status; + + /* ++ * XXX: starting the calibration too early seems to lead to ++ * problems with the beacons. ++ */ ++ sc->sc_lastcal = jiffies; ++ ++ /* + * Convert to a HAL channel description with the flags + * constrained to reflect the current operating mode. + */ +@@ -5154,6 +5178,10 @@ ath_beacon_send(struct ath_softc *sc, in + "Invoking ath_hal_txstart with sc_bhalq: %d\n", + sc->sc_bhalq); + ath_hal_txstart(ah, sc->sc_bhalq); ++ if (sc->sc_beacon_cal && (jiffies > sc->sc_lastcal + (ath_calinterval * HZ))) { ++ sc->sc_cal_ch.expires = jiffies + msecs_to_jiffies(10); ++ add_timer(&sc->sc_cal_ch); ++ } + + sc->sc_stats.ast_be_xmit++; /* XXX per-VAP? */ + } +@@ -5403,6 +5431,7 @@ ath_beacon_config(struct ath_softc *sc, + ath_hal_beacontimers(ah, &bs); + sc->sc_imask |= HAL_INT_BMISS; + ath_hal_intrset(ah, sc->sc_imask); ++ ath_set_beacon_cal(sc, 0); + } else { + ath_hal_intrset(ah, 0); + if (reset_tsf) +@@ -5414,8 +5443,11 @@ ath_beacon_config(struct ath_softc *sc, + */ + intval |= HAL_BEACON_ENA; + sc->sc_imask |= HAL_INT_SWBA; ++ ath_set_beacon_cal(sc, 1); + ath_beaconq_config(sc); +- } ++ } else ++ ath_set_beacon_cal(sc, 0); ++ + #ifdef ATH_SUPERG_DYNTURBO + ath_beacon_dturbo_config(vap, intval & + ~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA)); +@@ -8879,6 +8911,9 @@ ath_chan_set(struct ath_softc *sc, struc + /* Enter DFS wait period */ + mod_timer(&sc->sc_dfs_cac_timer, + jiffies + (sc->sc_dfs_cac_period * HZ)); ++ ++ /* This is a good time to start a calibration */ ++ ath_set_beacon_cal(sc, 1); + } + /* + * re configure beacons when it is a turbo mode switch. +@@ -8988,8 +9023,11 @@ ath_calibrate(unsigned long arg) + sc->sc_curchan.channel, sc->sc_curchan.channelFlags, + isIQdone ? "done" : "not done"); + +- sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ); +- add_timer(&sc->sc_cal_ch); ++ sc->sc_lastcal = jiffies; ++ if (!sc->sc_beacon_cal) { ++ sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ); ++ add_timer(&sc->sc_cal_ch); ++ } + } + + static void +@@ -9096,7 +9134,8 @@ ath_newstate(struct ieee80211vap *vap, e + ieee80211_state_name[vap->iv_state], + ieee80211_state_name[nstate]); + +- del_timer(&sc->sc_cal_ch); /* periodic calibration timer */ ++ if (!sc->sc_beacon_cal) ++ del_timer(&sc->sc_cal_ch); /* periodic calibration timer */ + + ath_hal_setledstate(ah, leds[nstate]); /* set LED */ + netif_stop_queue(dev); /* before we do anything else */ +@@ -9321,7 +9360,8 @@ ath_newstate(struct ieee80211vap *vap, e + "VAP -> DFSWAIT_PENDING \n"); + /* start calibration timer with a really small value + * 1/10 sec */ +- mod_timer(&sc->sc_cal_ch, jiffies + (HZ/10)); ++ if (!sc->sc_beacon_cal) ++ mod_timer(&sc->sc_cal_ch, jiffies + (HZ/10)); + /* wake the receiver */ + netif_wake_queue(dev); + /* don't do the other usual stuff... */ +@@ -9364,7 +9404,7 @@ done: + error = avp->av_newstate(vap, nstate, arg); + + /* Finally, start any timers. */ +- if (nstate == IEEE80211_S_RUN) { ++ if (nstate == IEEE80211_S_RUN && !sc->sc_beacon_cal) { + /* start periodic recalibration timer */ + mod_timer(&sc->sc_cal_ch, jiffies + (ath_calinterval * HZ)); + } +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -778,6 +778,8 @@ struct ath_softc { + struct ieee80211vap **sc_bslot; /* beacon xmit slots */ + int sc_bnext; /* next slot for beacon xmit */ + ++ int sc_beacon_cal; /* use beacon timer for calibration */ ++ u_int64_t sc_lastcal; /* last time the calibration was performed */ + struct timer_list sc_cal_ch; /* calibration timer */ + HAL_NODE_STATS sc_halstats; /* station-mode rssi stats */ + |