diff options
Diffstat (limited to 'package/madwifi/patches/450-calibration.patch')
| -rw-r--r-- | package/madwifi/patches/450-calibration.patch | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/package/madwifi/patches/450-calibration.patch b/package/madwifi/patches/450-calibration.patch new file mode 100644 index 000000000..87397903d --- /dev/null +++ b/package/madwifi/patches/450-calibration.patch @@ -0,0 +1,177 @@ +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -394,7 +394,6 @@ static int rfkill = 0; + static int tpc = 1; + static int xchanmode = -1; + #include "ath_wprobe.c" +-static int beacon_cal = 1; + + static const struct ath_hw_detect generic_hw_info = { + .vendor_name = "Unknown", +@@ -429,7 +428,6 @@ static struct notifier_block ath_event_b + }; + + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52)) +-MODULE_PARM(beacon_cal, "i"); + MODULE_PARM(xchanmode, "i"); + MODULE_PARM(rfkill, "i"); + #ifdef ATH_CAP_TPC +@@ -440,7 +438,6 @@ MODULE_PARM(autocreate, "s"); + MODULE_PARM(ratectl, "s"); + #else + #include <linux/moduleparam.h> +-module_param(beacon_cal, int, 0600); + module_param(xchanmode, int, 0600); + module_param(rfkill, int, 0600); + #ifdef ATH_CAP_TPC +@@ -825,6 +822,7 @@ ath_attach(u_int16_t devid, struct net_d + error = EIO; + goto bad2; + } ++ sc->sc_cal_interval = ath_calinterval; + init_timer(&sc->sc_cal_ch); + sc->sc_cal_ch.function = ath_calibrate; + sc->sc_cal_ch.data = (unsigned long) dev; +@@ -2737,8 +2735,7 @@ ath_stop_locked(struct net_device *dev) + } + if (!sc->sc_invalid) { + del_timer_sync(&sc->sc_dfs_cac_timer); +- if (!sc->sc_beacon_cal) +- del_timer_sync(&sc->sc_cal_ch); ++ del_timer_sync(&sc->sc_cal_ch); + } + ath_draintxq(sc); + if (!sc->sc_invalid) { +@@ -2763,10 +2760,9 @@ static void ath_set_beacon_cal(struct at + 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); ++ mod_timer(&sc->sc_cal_ch, jiffies + (sc->sc_cal_interval * HZ)); + } +- sc->sc_beacon_cal = !!val && beacon_cal; ++ sc->sc_beacon_cal = !!val; + } + + /* +@@ -3008,7 +3004,7 @@ ath_reset(struct net_device *dev) + * XXX: starting the calibration too early seems to lead to + * problems with the beacons. + */ +- sc->sc_lastcal = jiffies; ++ sc->sc_nextcal = jiffies + msecs_to_jiffies(sc->sc_cal_interval * 1000); + + /* + * Convert to a HAL channel description with the flags +@@ -5430,10 +5426,9 @@ 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); +- } ++ if (sc->sc_beacon_cal && ((sc->sc_bmisscount == 3) || ++ (jiffies > sc->sc_nextcal))) ++ mod_timer(&sc->sc_cal_ch, jiffies + 1); + + sc->sc_stats.ast_be_xmit++; /* XXX per-VAP? */ + } +@@ -9104,6 +9099,7 @@ ath_startrecv(struct ath_softc *sc) + dev->mtu, sc->sc_cachelsz, sc->sc_rxbufsize); + + sc->sc_rxlink = NULL; ++ ath_set_beacon_cal(sc, IEEE80211_IS_MODE_BEACON(sc->sc_ic.ic_opmode)); + STAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) { + int error = ath_rxbuf_init(sc, bf); + ATH_RXBUF_RESET(bf); +@@ -9320,7 +9316,7 @@ ath_chan_set(struct ath_softc *sc, struc + jiffies + (sc->sc_dfs_cac_period * HZ)); + + /* This is a good time to start a calibration */ +- ath_set_beacon_cal(sc, 1); ++ mod_timer(&sc->sc_cal_ch, jiffies + 1); + } + /* + * re configure beacons when it is a turbo mode switch. +@@ -9414,25 +9410,23 @@ ath_calibrate(unsigned long arg) + if (isIQdone == AH_TRUE) { + /* Unless user has overridden calibration interval, + * upgrade to less frequent calibration */ +- if (ath_calinterval == ATH_SHORT_CALINTERVAL) +- ath_calinterval = ATH_LONG_CALINTERVAL; ++ if (sc->sc_cal_interval == ATH_SHORT_CALINTERVAL) ++ sc->sc_cal_interval = ATH_LONG_CALINTERVAL; + } + else { + /* Unless user has overridden calibration interval, + * downgrade to more frequent calibration */ +- if (ath_calinterval == ATH_LONG_CALINTERVAL) +- ath_calinterval = ATH_SHORT_CALINTERVAL; ++ if (sc->sc_cal_interval == ATH_LONG_CALINTERVAL) ++ sc->sc_cal_interval = ATH_SHORT_CALINTERVAL; + } + + DPRINTF(sc, ATH_DEBUG_CALIBRATE, "Channel %u/%x -- IQ %s.\n", + sc->sc_curchan.channel, sc->sc_curchan.channelFlags, + isIQdone ? "done" : "not done"); + +- sc->sc_lastcal = jiffies; +- if (!sc->sc_beacon_cal) { +- sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ); +- add_timer(&sc->sc_cal_ch); +- } ++ sc->sc_nextcal = jiffies + msecs_to_jiffies(sc->sc_cal_interval * 1000); ++ if (!sc->sc_beacon_cal) ++ mod_timer(&sc->sc_cal_ch, sc->sc_nextcal); + } + + static void +@@ -9540,9 +9534,6 @@ ath_newstate(struct ieee80211vap *vap, e + ieee80211_state_name[vap->iv_state], + ieee80211_state_name[nstate]); + +- 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 */ + +@@ -9764,10 +9755,7 @@ ath_newstate(struct ieee80211vap *vap, e + IEEE80211_IS_MODE_DFS_MASTER(vap->iv_opmode)) { + DPRINTF(sc, ATH_DEBUG_STATE | ATH_DEBUG_DOTH, + "VAP -> DFSWAIT_PENDING \n"); +- /* start calibration timer with a really small value +- * 1/10 sec */ +- if (!sc->sc_beacon_cal) +- mod_timer(&sc->sc_cal_ch, jiffies + (HZ/10)); ++ mod_timer(&sc->sc_cal_ch, jiffies + 1); + /* wake the receiver */ + netif_wake_queue(dev); + /* don't do the other usual stuff... */ +@@ -9809,12 +9797,6 @@ done: + /* Invoke the parent method to complete the work. */ + error = avp->av_newstate(vap, nstate, arg); + +- /* Finally, start any timers. */ +- if (nstate == IEEE80211_S_RUN && !sc->sc_beacon_cal) { +- /* start periodic recalibration timer */ +- mod_timer(&sc->sc_cal_ch, jiffies + (ath_calinterval * HZ)); +- } +- + #ifdef ATH_SUPERG_XR + if (vap->iv_flags & IEEE80211_F_XR && + nstate == IEEE80211_S_RUN) +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -832,7 +832,8 @@ struct ath_softc { + + struct ieee80211_channel *sc_last_chan; + int sc_beacon_cal; /* use beacon timer for calibration */ +- u_int64_t sc_lastcal; /* last time the calibration was performed */ ++ u_int64_t sc_nextcal; /* last time the calibration was performed */ ++ int sc_cal_interval; /* current calibration interval */ + struct timer_list sc_cal_ch; /* calibration timer */ + HAL_NODE_STATS sc_halstats; /* station-mode rssi stats */ + |