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ath9k: move struct ath_ani to common area

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This can be shared between ath9k and ath9k_htc. It will also
help with sharing routine helpers on the RX path.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-11-03 17:07:04 -08:00 committed by John W. Linville
parent 30cbd42265
commit 3d536acf45
4 changed files with 42 additions and 40 deletions
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12
drivers/net/wireless/ath/ath.h
View File

@ -23,6 +23,16 @@
static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct ath_ani {
bool caldone;
int16_t noise_floor;
unsigned int longcal_timer;
unsigned int shortcal_timer;
unsigned int resetcal_timer;
unsigned int checkani_timer;
struct timer_list timer;
};
enum ath_device_state {
ATH_HW_UNAVAILABLE,
ATH_HW_INITIALIZED,
@ -66,6 +76,8 @@ struct ath_common {
int debug_mask;
enum ath_device_state state;
struct ath_ani ani;
u16 cachelsz;
u16 curaid;
u8 macaddr[ETH_ALEN];

11
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -434,16 +434,6 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
struct ath_ani {
bool caldone;
int16_t noise_floor;
unsigned int longcal_timer;
unsigned int shortcal_timer;
unsigned int resetcal_timer;
unsigned int checkani_timer;
struct timer_list timer;
};
/* Defines the BT AR_BT_COEX_WGHT used */
enum ath_stomp_type {
ATH_BTCOEX_NO_STOMP,
@ -601,7 +591,6 @@ struct ath_softc {
int beacon_interval;
struct ath_ani ani;
#ifdef CONFIG_ATH9K_DEBUG
struct ath9k_debug debug;
#endif

56
drivers/net/wireless/ath/ath9k/main.c
View File

@ -405,34 +405,34 @@ static void ath_ani_calibrate(unsigned long data)
ath9k_ps_wakeup(sc);
/* Long calibration runs independently of short calibration. */
if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
longcal = true;
ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
sc->ani.longcal_timer = timestamp;
common->ani.longcal_timer = timestamp;
}
/* Short calibration applies only while caldone is false */
if (!sc->ani.caldone) {
if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
if (!common->ani.caldone) {
if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {
shortcal = true;
ath_print(common, ATH_DBG_ANI,
"shortcal @%lu\n", jiffies);
sc->ani.shortcal_timer = timestamp;
sc->ani.resetcal_timer = timestamp;
common->ani.shortcal_timer = timestamp;
common->ani.resetcal_timer = timestamp;
}
} else {
if ((timestamp - sc->ani.resetcal_timer) >=
if ((timestamp - common->ani.resetcal_timer) >=
ATH_RESTART_CALINTERVAL) {
sc->ani.caldone = ath9k_hw_reset_calvalid(ah);
if (sc->ani.caldone)
sc->ani.resetcal_timer = timestamp;
common->ani.caldone = ath9k_hw_reset_calvalid(ah);
if (common->ani.caldone)
common->ani.resetcal_timer = timestamp;
}
}
/* Verify whether we must check ANI */
if ((timestamp - sc->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
aniflag = true;
sc->ani.checkani_timer = timestamp;
common->ani.checkani_timer = timestamp;
}
/* Skip all processing if there's nothing to do. */
@ -443,21 +443,21 @@ static void ath_ani_calibrate(unsigned long data)
/* Perform calibration if necessary */
if (longcal || shortcal) {
sc->ani.caldone =
common->ani.caldone =
ath9k_hw_calibrate(ah,
ah->curchan,
common->rx_chainmask,
longcal);
if (longcal)
sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
common->ani.noise_floor = ath9k_hw_getchan_noise(ah,
ah->curchan);
ath_print(common, ATH_DBG_ANI,
" calibrate chan %u/%x nf: %d\n",
ah->curchan->channel,
ah->curchan->channelFlags,
sc->ani.noise_floor);
common->ani.noise_floor);
}
}
@ -473,21 +473,21 @@ static void ath_ani_calibrate(unsigned long data)
cal_interval = ATH_LONG_CALINTERVAL;
if (sc->sc_ah->config.enable_ani)
cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
if (!sc->ani.caldone)
if (!common->ani.caldone)
cal_interval = min(cal_interval, (u32)short_cal_interval);
mod_timer(&sc->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
}
static void ath_start_ani(struct ath_softc *sc)
static void ath_start_ani(struct ath_common *common)
{
unsigned long timestamp = jiffies_to_msecs(jiffies);
sc->ani.longcal_timer = timestamp;
sc->ani.shortcal_timer = timestamp;
sc->ani.checkani_timer = timestamp;
common->ani.longcal_timer = timestamp;
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
mod_timer(&sc->ani.timer,
mod_timer(&common->ani.timer,
jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
}
@ -1023,12 +1023,12 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
/* Reset rssi stats */
sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
ath_start_ani(sc);
ath_start_ani(common);
} else {
ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
common->curaid = 0;
/* Stop ANI */
del_timer_sync(&sc->ani.timer);
del_timer_sync(&common->ani.timer);
}
}
@ -1761,8 +1761,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
/* Initializes the noise floor to a reasonable default value.
* Later on this will be updated during ANI processing. */
sc->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
setup_timer(&sc->ani.timer, ath_ani_calibrate, (unsigned long)sc);
common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
if (ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
ATH9K_CIPHER_TKIP, NULL)) {
@ -2634,7 +2634,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
if (conf->type == NL80211_IFTYPE_AP ||
conf->type == NL80211_IFTYPE_ADHOC ||
conf->type == NL80211_IFTYPE_MONITOR)
ath_start_ani(sc);
ath_start_ani(common);
out:
mutex_unlock(&sc->mutex);
@ -2655,7 +2655,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&sc->mutex);
/* Stop ANI */
del_timer_sync(&sc->ani.timer);
del_timer_sync(&common->ani.timer);
/* Reclaim beacon resources */
if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||

3
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -102,6 +102,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
struct ieee80211_sta *sta;
struct ath_node *an;
int last_rssi = ATH_RSSI_DUMMY_MARKER;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
@ -212,7 +213,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
rx_status->mactime = ath9k_hw_extend_tsf(sc->sc_ah, rx_stats->rs_tstamp);
rx_status->band = hw->conf.channel->band;
rx_status->freq = hw->conf.channel->center_freq;
rx_status->noise = sc->ani.noise_floor;
rx_status->noise = common->ani.noise_floor;
rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
rx_status->antenna = rx_stats->rs_antenna;