mirror of https://github.com/hak5/openwrt-owl.git
165 lines
4.6 KiB
Diff
165 lines
4.6 KiB
Diff
--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -397,6 +397,7 @@
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static int maxvaps = -1;
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static int outdoor = -1;
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static int xchanmode = -1;
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+static int beacon_cal = 1;
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static const char *hal_status_desc[] = {
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"No error",
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@@ -422,6 +423,7 @@
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};
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
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+MODULE_PARM(beacon_cal, "i");
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MODULE_PARM(countrycode, "i");
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MODULE_PARM(maxvaps, "i");
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MODULE_PARM(outdoor, "i");
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@@ -434,6 +436,7 @@
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MODULE_PARM(ratectl, "s");
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#else
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#include <linux/moduleparam.h>
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+module_param(beacon_cal, int, 0600);
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module_param(countrycode, int, 0600);
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module_param(maxvaps, int, 0600);
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module_param(outdoor, int, 0600);
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@@ -2602,7 +2605,8 @@
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}
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if (!sc->sc_invalid) {
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del_timer_sync(&sc->sc_dfs_cac_timer);
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- del_timer_sync(&sc->sc_cal_ch);
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+ if (!sc->sc_beacon_cal)
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+ del_timer_sync(&sc->sc_cal_ch);
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}
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ath_draintxq(sc);
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if (!sc->sc_invalid) {
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@@ -2619,6 +2623,20 @@
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return 0;
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}
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+static void ath_set_beacon_cal(struct ath_softc *sc, int val)
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+{
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+ if (sc->sc_beacon_cal == !!val)
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+ return;
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+
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+ if (val) {
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+ del_timer_sync(&sc->sc_cal_ch);
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+ } else {
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+ sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ);
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+ add_timer(&sc->sc_cal_ch);
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+ }
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+ sc->sc_beacon_cal = !!val && beacon_cal;
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+}
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+
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/*
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* Stop the device, grabbing the top-level lock to protect
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* against concurrent entry through ath_init (which can happen
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@@ -2744,6 +2762,12 @@
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HAL_STATUS status;
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/*
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+ * XXX: starting the calibration too early seems to lead to
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+ * problems with the beacons.
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+ */
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+ sc->sc_lastcal = jiffies;
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+
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+ /*
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* Convert to a HAL channel description with the flags
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* constrained to reflect the current operating mode.
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*/
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@@ -5156,6 +5180,8 @@
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"Invoking ath_hal_txstart with sc_bhalq: %d\n",
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sc->sc_bhalq);
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ath_hal_txstart(ah, sc->sc_bhalq);
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+ if (sc->sc_beacon_cal && (jiffies > sc->sc_lastcal + (ath_calinterval * HZ)))
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+ ath_calibrate((unsigned long) sc->sc_dev);
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sc->sc_stats.ast_be_xmit++; /* XXX per-VAP? */
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}
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@@ -5405,6 +5431,7 @@
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ath_hal_beacontimers(ah, &bs);
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sc->sc_imask |= HAL_INT_BMISS;
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ath_hal_intrset(ah, sc->sc_imask);
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+ ath_set_beacon_cal(sc, 0);
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} else {
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ath_hal_intrset(ah, 0);
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if (reset_tsf)
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@@ -5416,8 +5443,11 @@
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*/
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intval |= HAL_BEACON_ENA;
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sc->sc_imask |= HAL_INT_SWBA;
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+ ath_set_beacon_cal(sc, 1);
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ath_beaconq_config(sc);
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- }
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+ } else
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+ ath_set_beacon_cal(sc, 0);
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+
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#ifdef ATH_SUPERG_DYNTURBO
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ath_beacon_dturbo_config(vap, intval &
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~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
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@@ -8885,6 +8915,9 @@
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/* Enter DFS wait period */
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mod_timer(&sc->sc_dfs_cac_timer,
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jiffies + (sc->sc_dfs_cac_period * HZ));
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+
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+ /* This is a good time to start a calibration */
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+ ath_set_beacon_cal(sc, 1);
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}
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/*
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* re configure beacons when it is a turbo mode switch.
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@@ -8994,8 +9027,11 @@
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sc->sc_curchan.channel, sc->sc_curchan.channelFlags,
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isIQdone ? "done" : "not done");
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- sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ);
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- add_timer(&sc->sc_cal_ch);
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+ sc->sc_lastcal = jiffies;
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+ if (!sc->sc_beacon_cal) {
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+ sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ);
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+ add_timer(&sc->sc_cal_ch);
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+ }
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}
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static void
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@@ -9102,7 +9138,8 @@
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ieee80211_state_name[vap->iv_state],
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ieee80211_state_name[nstate]);
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- del_timer(&sc->sc_cal_ch); /* periodic calibration timer */
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+ if (!sc->sc_beacon_cal)
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+ del_timer(&sc->sc_cal_ch); /* periodic calibration timer */
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ath_hal_setledstate(ah, leds[nstate]); /* set LED */
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netif_stop_queue(dev); /* before we do anything else */
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@@ -9327,7 +9364,8 @@
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"VAP -> DFSWAIT_PENDING \n");
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/* start calibration timer with a really small value
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* 1/10 sec */
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- mod_timer(&sc->sc_cal_ch, jiffies + (HZ/10));
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+ if (!sc->sc_beacon_cal)
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+ mod_timer(&sc->sc_cal_ch, jiffies + (HZ/10));
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/* wake the receiver */
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netif_wake_queue(dev);
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/* don't do the other usual stuff... */
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@@ -9370,7 +9408,7 @@
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error = avp->av_newstate(vap, nstate, arg);
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/* Finally, start any timers. */
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- if (nstate == IEEE80211_S_RUN) {
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+ if (nstate == IEEE80211_S_RUN && !sc->sc_beacon_cal) {
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/* start periodic recalibration timer */
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mod_timer(&sc->sc_cal_ch, jiffies + (ath_calinterval * HZ));
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}
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--- a/ath/if_athvar.h
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+++ b/ath/if_athvar.h
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@@ -778,6 +778,8 @@
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struct ieee80211vap **sc_bslot; /* beacon xmit slots */
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int sc_bnext; /* next slot for beacon xmit */
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+ int sc_beacon_cal; /* use beacon timer for calibration */
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+ u_int64_t sc_lastcal; /* last time the calibration was performed */
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struct timer_list sc_cal_ch; /* calibration timer */
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HAL_NODE_STATS sc_halstats; /* station-mode rssi stats */
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