1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
Index: madwifi-trunk-r3314/ath/if_ath.c
===================================================================
--- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-02-06 20:27:16.005587752 +0100
+++ madwifi-trunk-r3314/ath/if_ath.c 2008-02-06 22:06:51.778996341 +0100
@@ -395,6 +395,7 @@
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",
@@ -420,6 +421,7 @@
};
#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");
@@ -432,6 +434,7 @@
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);
@@ -2594,7 +2597,8 @@
}
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) {
@@ -2611,6 +2615,20 @@
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
@@ -5141,6 +5159,8 @@
"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)))
+ ath_calibrate((unsigned long) sc->sc_dev);
sc->sc_stats.ast_be_xmit++; /* XXX per-VAP? */
}
@@ -5390,6 +5410,7 @@
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)
@@ -5401,8 +5422,11 @@
*/
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));
@@ -8864,6 +8888,9 @@
/* 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.
@@ -8973,8 +9000,11 @@
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
@@ -9081,7 +9111,8 @@
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 */
@@ -9306,7 +9337,8 @@
"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... */
@@ -9349,7 +9381,7 @@
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));
}
Index: madwifi-trunk-r3314/ath/if_athvar.h
===================================================================
--- madwifi-trunk-r3314.orig/ath/if_athvar.h 2008-02-06 20:27:08.969186784 +0100
+++ madwifi-trunk-r3314/ath/if_athvar.h 2008-02-06 20:27:24.670081522 +0100
@@ -778,6 +778,8 @@
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 */
|
