#include "ath9k.h"
#include "btcoex.h"
-static void ath_cache_conf_rate(struct ath_softc *sc,
- struct ieee80211_conf *conf)
-{
- switch (conf->channel->band) {
- case IEEE80211_BAND_2GHZ:
- if (conf_is_ht20(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
- else if (conf_is_ht40_minus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
- else if (conf_is_ht40_plus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
- else
- sc->cur_rate_mode = ATH9K_MODE_11G;
- break;
- case IEEE80211_BAND_5GHZ:
- if (conf_is_ht20(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
- else if (conf_is_ht40_minus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
- else if (conf_is_ht40_plus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
- else
- sc->cur_rate_mode = ATH9K_MODE_11A;
- break;
- default:
- BUG_ON(1);
- break;
- }
-}
-
static void ath_update_txpow(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
void ath9k_ps_wakeup(struct ath_softc *sc)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long flags;
spin_lock_irqsave(&sc->sc_pm_lock, flags);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+ /*
+ * While the hardware is asleep, the cycle counters contain no
+ * useful data. Better clear them now so that they don't mess up
+ * survey data results.
+ */
+ spin_lock(&common->cc_lock);
+ ath_hw_cycle_counters_update(common);
+ memset(&common->cc_survey, 0, sizeof(common->cc_survey));
+ spin_unlock(&common->cc_lock);
+
unlock:
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
}
void ath9k_ps_restore(struct ath_softc *sc)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long flags;
spin_lock_irqsave(&sc->sc_pm_lock, flags);
if (--sc->ps_usecount != 0)
goto unlock;
+ spin_lock(&common->cc_lock);
+ ath_hw_cycle_counters_update(common);
+ spin_unlock(&common->cc_lock);
+
if (sc->ps_idle)
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
else if (sc->ps_enabled &&
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
}
+static void ath_start_ani(struct ath_common *common)
+{
+ struct ath_hw *ah = common->ah;
+ unsigned long timestamp = jiffies_to_msecs(jiffies);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ if (!(sc->sc_flags & SC_OP_ANI_RUN))
+ return;
+
+ if (sc->sc_flags & SC_OP_OFFCHANNEL)
+ return;
+
+ common->ani.longcal_timer = timestamp;
+ common->ani.shortcal_timer = timestamp;
+ common->ani.checkani_timer = timestamp;
+
+ mod_timer(&common->ani.timer,
+ jiffies +
+ msecs_to_jiffies((u32)ah->config.ani_poll_interval));
+}
+
+static void ath_update_survey_nf(struct ath_softc *sc, int channel)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath9k_channel *chan = &ah->channels[channel];
+ struct survey_info *survey = &sc->survey[channel];
+
+ if (chan->noisefloor) {
+ survey->filled |= SURVEY_INFO_NOISE_DBM;
+ survey->noise = chan->noisefloor;
+ }
+}
+
+static void ath_update_survey_stats(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ int pos = ah->curchan - &ah->channels[0];
+ struct survey_info *survey = &sc->survey[pos];
+ struct ath_cycle_counters *cc = &common->cc_survey;
+ unsigned int div = common->clockrate * 1000;
+
+ if (ah->power_mode == ATH9K_PM_AWAKE)
+ ath_hw_cycle_counters_update(common);
+
+ if (cc->cycles > 0) {
+ survey->filled |= SURVEY_INFO_CHANNEL_TIME |
+ SURVEY_INFO_CHANNEL_TIME_BUSY |
+ SURVEY_INFO_CHANNEL_TIME_RX |
+ SURVEY_INFO_CHANNEL_TIME_TX;
+ survey->channel_time += cc->cycles / div;
+ survey->channel_time_busy += cc->rx_busy / div;
+ survey->channel_time_rx += cc->rx_frame / div;
+ survey->channel_time_tx += cc->tx_frame / div;
+ }
+ memset(cc, 0, sizeof(*cc));
+
+ ath_update_survey_nf(sc, pos);
+}
+
/*
* Set/change channels. If the channel is really being changed, it's done
* by reseting the chip. To accomplish this we must first cleanup any pending
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan)
{
+ struct ath_wiphy *aphy = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &common->hw->conf;
bool fastcc = true, stopped;
struct ieee80211_channel *channel = hw->conf.channel;
+ struct ath9k_hw_cal_data *caldata = NULL;
int r;
if (sc->sc_flags & SC_OP_INVALID)
return -EIO;
+ del_timer_sync(&common->ani.timer);
+ cancel_work_sync(&sc->paprd_work);
+ cancel_work_sync(&sc->hw_check_work);
+ cancel_delayed_work_sync(&sc->tx_complete_work);
+
ath9k_ps_wakeup(sc);
/*
* to flush data frames already in queue because of
* changing channel. */
- if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
+ if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
fastcc = false;
+ if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
+ caldata = &aphy->caldata;
+
ath_print(common, ATH_DBG_CONFIG,
- "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
+ "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n",
sc->sc_ah->curchan->channel,
- channel->center_freq, conf_is_ht40(conf));
+ channel->center_freq, conf_is_ht40(conf),
+ fastcc);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, hchan, fastcc);
+ r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
}
spin_unlock_bh(&sc->sc_resetlock);
- sc->sc_flags &= ~SC_OP_FULL_RESET;
-
if (ath_startrecv(sc) != 0) {
ath_print(common, ATH_DBG_FATAL,
"Unable to restart recv logic\n");
goto ps_restore;
}
- ath_cache_conf_rate(sc, &hw->conf);
ath_update_txpow(sc);
ath9k_hw_set_interrupts(ah, ah->imask);
+ if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
+ ath_beacon_config(sc, NULL);
+ ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
+ ath_start_ani(common);
+ }
+
ps_restore:
ath9k_ps_restore(sc);
return r;
static void ath_paprd_activate(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath9k_hw_cal_data *caldata = ah->caldata;
+ struct ath_common *common = ath9k_hw_common(ah);
int chain;
- if (!ah->curchan->paprd_done)
+ if (!caldata || !caldata->paprd_done)
return;
ath9k_ps_wakeup(sc);
+ ar9003_paprd_enable(ah, false);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
- if (!(ah->caps.tx_chainmask & BIT(chain)))
+ if (!(common->tx_chainmask & BIT(chain)))
continue;
- ar9003_paprd_populate_single_table(ah, ah->curchan, chain);
+ ar9003_paprd_populate_single_table(ah, caldata, chain);
}
ar9003_paprd_enable(ah, true);
int band = hw->conf.channel->band;
struct ieee80211_supported_band *sband = &sc->sbands[band];
struct ath_tx_control txctl;
+ struct ath9k_hw_cal_data *caldata = ah->caldata;
+ struct ath_common *common = ath9k_hw_common(ah);
int qnum, ftype;
int chain_ok = 0;
int chain;
int time_left;
int i;
+ if (!caldata)
+ return;
+
skb = alloc_skb(len, GFP_KERNEL);
if (!skb)
return;
hdr = (struct ieee80211_hdr *)skb->data;
ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC;
hdr->frame_control = cpu_to_le16(ftype);
- hdr->duration_id = 10;
+ hdr->duration_id = cpu_to_le16(10);
memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN);
memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
ath9k_ps_wakeup(sc);
ar9003_paprd_init_table(ah);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
- if (!(ah->caps.tx_chainmask & BIT(chain)))
+ if (!(common->tx_chainmask & BIT(chain)))
continue;
chain_ok = 0;
if (!ar9003_paprd_is_done(ah))
break;
- if (ar9003_paprd_create_curve(ah, ah->curchan, chain) != 0)
+ if (ar9003_paprd_create_curve(ah, caldata, chain) != 0)
break;
chain_ok = 1;
kfree_skb(skb);
if (chain_ok) {
- ah->curchan->paprd_done = true;
+ caldata->paprd_done = true;
ath_paprd_activate(sc);
}
bool shortcal = false;
bool aniflag = false;
unsigned int timestamp = jiffies_to_msecs(jiffies);
- u32 cal_interval, short_cal_interval;
+ u32 cal_interval, short_cal_interval, long_cal_interval;
+ unsigned long flags;
+
+ if (ah->caldata && ah->caldata->nfcal_interference)
+ long_cal_interval = ATH_LONG_CALINTERVAL_INT;
+ else
+ long_cal_interval = ATH_LONG_CALINTERVAL;
short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?
ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL;
ath9k_ps_wakeup(sc);
/* Long calibration runs independently of short calibration. */
- if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
+ if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) {
longcal = true;
ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
common->ani.longcal_timer = timestamp;
/* Skip all processing if there's nothing to do. */
if (longcal || shortcal || aniflag) {
/* Call ANI routine if necessary */
- if (aniflag)
+ if (aniflag) {
+ spin_lock_irqsave(&common->cc_lock, flags);
ath9k_hw_ani_monitor(ah, ah->curchan);
+ ath_update_survey_stats(sc);
+ spin_unlock_irqrestore(&common->cc_lock, flags);
+ }
/* Perform calibration if necessary */
if (longcal || shortcal) {
ah->curchan,
common->rx_chainmask,
longcal);
-
- if (longcal)
- 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,
- common->ani.noise_floor);
}
}
cal_interval = min(cal_interval, (u32)short_cal_interval);
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
- !(sc->sc_flags & SC_OP_SCANNING)) {
- if (!sc->sc_ah->curchan->paprd_done)
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
+ if (!ah->caldata->paprd_done)
ieee80211_queue_work(sc->hw, &sc->paprd_work);
else
ath_paprd_activate(sc);
}
}
-static void ath_start_ani(struct ath_common *common)
-{
- struct ath_hw *ah = common->ah;
- unsigned long timestamp = jiffies_to_msecs(jiffies);
- struct ath_softc *sc = (struct ath_softc *) common->priv;
-
- if (!(sc->sc_flags & SC_OP_ANI_RUN))
- return;
-
- common->ani.longcal_timer = timestamp;
- common->ani.shortcal_timer = timestamp;
- common->ani.checkani_timer = timestamp;
-
- mod_timer(&common->ani.timer,
- jiffies +
- msecs_to_jiffies((u32)ah->config.ani_poll_interval));
-}
-
/*
* Update tx/rx chainmask. For legacy association,
* hard code chainmask to 1x1, for 11n association, use
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
- if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
+ if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
(ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
common->tx_chainmask = ah->caps.tx_chainmask;
common->rx_chainmask = ah->caps.rx_chainmask;
struct ath_softc *sc = dev;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
enum ath9k_int status;
bool sched = false;
if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
(status & ATH9K_INT_BB_WATCHDOG)) {
+
+ spin_lock(&common->cc_lock);
+ ath_hw_cycle_counters_update(common);
ar9003_hw_bb_watchdog_dbg_info(ah);
+ spin_unlock(&common->cc_lock);
+
goto chip_reset;
}
* it will clear whatever condition caused
* the interrupt.
*/
- ath9k_hw_procmibevent(ah);
+ spin_lock(&common->cc_lock);
+ ath9k_hw_proc_mib_event(ah);
+ spin_unlock(&common->cc_lock);
ath9k_hw_set_interrupts(ah, ah->imask);
}
ah->curchan = ath_get_curchannel(sc, sc->hw);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, ah->curchan, false);
+ r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
ath9k_ps_wakeup(sc);
ieee80211_stop_queues(hw);
- /* Disable LED */
- ath9k_hw_set_gpio(ah, ah->led_pin, 1);
- ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ /*
+ * Keep the LED on when the radio is disabled
+ * during idle unassociated state.
+ */
+ if (!sc->ps_idle) {
+ ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ }
/* Disable interrupts */
ath9k_hw_set_interrupts(ah, 0);
ah->curchan = ath_get_curchannel(sc, hw);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, ah->curchan, false);
+ r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
ath_flushrecv(sc);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
+ r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
if (r)
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d\n", r);
* that changes the channel so update any state that
* might change as a result.
*/
- ath_cache_conf_rate(sc, &hw->conf);
-
ath_update_txpow(sc);
- if (sc->sc_flags & SC_OP_BEACONS)
+ if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL)))
ath_beacon_config(sc, NULL); /* restart beacons */
ath9k_hw_set_interrupts(ah, ah->imask);
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, init_channel, false);
+ r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d "
else
ah->imask |= ATH9K_INT_RX;
- if (ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
- ah->imask |= ATH9K_INT_GTT;
+ ah->imask |= ATH9K_INT_GTT;
if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
ah->imask |= ATH9K_INT_CST;
- ath_cache_conf_rate(sc, &hw->conf);
-
sc->sc_flags &= ~SC_OP_INVALID;
/* Disable BMISS interrupt when we're not associated */
struct ath_softc *sc = aphy->sc;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
+ int i;
mutex_lock(&sc->mutex);
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
- if (!sc->num_sec_wiphy) {
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ if (sc->sec_wiphy[i])
+ break;
+ }
+
+ if (i == sc->num_sec_wiphy) {
cancel_delayed_work_sync(&sc->wiphy_work);
cancel_work_sync(&sc->chan_work);
}
mutex_lock(&sc->mutex);
- if (!(ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) &&
- sc->nvifs > 0) {
- ret = -ENOBUFS;
- goto out;
- }
-
switch (vif->type) {
case NL80211_IFTYPE_STATION:
ic_opmode = NL80211_IFTYPE_STATION;
break;
+ case NL80211_IFTYPE_WDS:
+ ic_opmode = NL80211_IFTYPE_WDS;
+ break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
sc->nvifs++;
- if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
- ath9k_set_bssid_mask(hw);
+ ath9k_set_bssid_mask(hw, vif);
if (sc->nvifs > 1)
goto out; /* skip global settings for secondary vif */
mutex_unlock(&sc->mutex);
}
-void ath9k_enable_ps(struct ath_softc *sc)
+static void ath9k_enable_ps(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
}
}
+static void ath9k_disable_ps(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+
+ sc->ps_enabled = false;
+ ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
+ if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ ath9k_hw_setrxabort(ah, 0);
+ sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK);
+ if (ah->imask & ATH9K_INT_TIM_TIMER) {
+ ah->imask &= ~ATH9K_INT_TIM_TIMER;
+ ath9k_hw_set_interrupts(ah, ah->imask);
+ }
+ }
+
+}
+
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ieee80211_conf *conf = &hw->conf;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &hw->conf;
bool disable_radio;
mutex_lock(&sc->mutex);
* IEEE80211_CONF_CHANGE_PS is only passed by mac80211 for STA mode.
*/
if (changed & IEEE80211_CONF_CHANGE_PS) {
- if (conf->flags & IEEE80211_CONF_PS) {
- sc->ps_flags |= PS_ENABLED;
- /*
- * At this point we know hardware has received an ACK
- * of a previously sent null data frame.
- */
- if ((sc->ps_flags & PS_NULLFUNC_COMPLETED)) {
- sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
- ath9k_enable_ps(sc);
- }
- } else {
- sc->ps_enabled = false;
- sc->ps_flags &= ~(PS_ENABLED |
- PS_NULLFUNC_COMPLETED);
- ath9k_setpower(sc, ATH9K_PM_AWAKE);
- if (!(ah->caps.hw_caps &
- ATH9K_HW_CAP_AUTOSLEEP)) {
- ath9k_hw_setrxabort(sc->sc_ah, 0);
- sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
- PS_WAIT_FOR_CAB |
- PS_WAIT_FOR_PSPOLL_DATA |
- PS_WAIT_FOR_TX_ACK);
- if (ah->imask & ATH9K_INT_TIM_TIMER) {
- ah->imask &= ~ATH9K_INT_TIM_TIMER;
- ath9k_hw_set_interrupts(sc->sc_ah,
- ah->imask);
- }
- }
- }
+ unsigned long flags;
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ if (conf->flags & IEEE80211_CONF_PS)
+ ath9k_enable_ps(sc);
+ else
+ ath9k_disable_ps(sc);
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
struct ieee80211_channel *curchan = hw->conf.channel;
int pos = curchan->hw_value;
+ int old_pos = -1;
+ unsigned long flags;
+
+ if (ah->curchan)
+ old_pos = ah->curchan - &ah->channels[0];
aphy->chan_idx = pos;
aphy->chan_is_ht = conf_is_ht(conf);
+ if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
+ sc->sc_flags |= SC_OP_OFFCHANNEL;
+ else
+ sc->sc_flags &= ~SC_OP_OFFCHANNEL;
if (aphy->state == ATH_WIPHY_SCAN ||
aphy->state == ATH_WIPHY_ACTIVE)
ath_update_chainmask(sc, conf_is_ht(conf));
+ /* update survey stats for the old channel before switching */
+ spin_lock_irqsave(&common->cc_lock, flags);
+ ath_update_survey_stats(sc);
+ spin_unlock_irqrestore(&common->cc_lock, flags);
+
+ /*
+ * If the operating channel changes, change the survey in-use flags
+ * along with it.
+ * Reset the survey data for the new channel, unless we're switching
+ * back to the operating channel from an off-channel operation.
+ */
+ if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) &&
+ sc->cur_survey != &sc->survey[pos]) {
+
+ if (sc->cur_survey)
+ sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE;
+
+ sc->cur_survey = &sc->survey[pos];
+
+ memset(sc->cur_survey, 0, sizeof(struct survey_info));
+ sc->cur_survey->filled |= SURVEY_INFO_IN_USE;
+ } else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) {
+ memset(&sc->survey[pos], 0, sizeof(struct survey_info));
+ }
+
if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
ath_print(common, ATH_DBG_FATAL,
"Unable to set channel\n");
mutex_unlock(&sc->mutex);
return -EINVAL;
}
+
+ /*
+ * The most recent snapshot of channel->noisefloor for the old
+ * channel is only available after the hardware reset. Copy it to
+ * the survey stats now.
+ */
+ if (old_pos >= 0)
+ ath_update_survey_nf(sc, old_pos);
}
skip_chan_change:
FIF_PSPOLL | \
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC | \
+ FIF_PROBE_REQ | \
FIF_FCSFAIL)
/* FIXME: sc->sc_full_reset ? */
switch (cmd) {
case SET_KEY:
- ret = ath9k_cmn_key_config(common, vif, sta, key);
+ ret = ath_key_config(common, vif, sta, key);
if (ret >= 0) {
key->hw_key_idx = ret;
/* push IV and Michael MIC generation to stack */
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- if (key->alg == ALG_TKIP)
+ if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- if (sc->sc_ah->sw_mgmt_crypto && key->alg == ALG_CCMP)
+ if (sc->sc_ah->sw_mgmt_crypto &&
+ key->cipher == WLAN_CIPHER_SUITE_CCMP)
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
ret = 0;
}
break;
case DISABLE_KEY:
- ath9k_cmn_key_delete(common, key);
+ ath_key_delete(common, key);
break;
default:
ret = -EINVAL;
break;
case IEEE80211_AMPDU_TX_START:
ath9k_ps_wakeup(sc);
- ath_tx_aggr_start(sc, sta, tid, ssn);
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ ret = ath_tx_aggr_start(sc, sta, tid, ssn);
+ if (!ret)
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
ath9k_ps_restore(sc);
break;
case IEEE80211_AMPDU_TX_STOP:
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_conf *conf = &hw->conf;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *chan;
+ unsigned long flags;
+ int pos;
- if (idx != 0)
+ spin_lock_irqsave(&common->cc_lock, flags);
+ if (idx == 0)
+ ath_update_survey_stats(sc);
+
+ sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (sband && idx >= sband->n_channels) {
+ idx -= sband->n_channels;
+ sband = NULL;
+ }
+
+ if (!sband)
+ sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ if (!sband || idx >= sband->n_channels) {
+ spin_unlock_irqrestore(&common->cc_lock, flags);
return -ENOENT;
+ }
- survey->channel = conf->channel;
- survey->filled = SURVEY_INFO_NOISE_DBM;
- survey->noise = common->ani.noise_floor;
+ chan = &sband->channels[idx];
+ pos = chan->hw_value;
+ memcpy(survey, &sc->survey[pos], sizeof(*survey));
+ survey->channel = chan;
+ spin_unlock_irqrestore(&common->cc_lock, flags);
return 0;
}
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
if (ath9k_wiphy_scanning(sc)) {
- printk(KERN_DEBUG "ath9k: Two wiphys trying to scan at the "
- "same time\n");
/*
- * Do not allow the concurrent scanning state for now. This
- * could be improved with scanning control moved into ath9k.
+ * There is a race here in mac80211 but fixing it requires
+ * we revisit how we handle the scan complete callback.
+ * After mac80211 fixes we will not have configured hardware
+ * to the home channel nor would we have configured the RX
+ * filter yet.
*/
mutex_unlock(&sc->mutex);
return;
aphy->state = ATH_WIPHY_SCAN;
ath9k_wiphy_pause_all_forced(sc, aphy);
- sc->sc_flags |= SC_OP_SCANNING;
- del_timer_sync(&common->ani.timer);
- cancel_work_sync(&sc->paprd_work);
- cancel_work_sync(&sc->hw_check_work);
- cancel_delayed_work_sync(&sc->tx_complete_work);
mutex_unlock(&sc->mutex);
}
+/*
+ * XXX: this requires a revisit after the driver
+ * scan_complete gets moved to another place/removed in mac80211.
+ */
static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
aphy->state = ATH_WIPHY_ACTIVE;
- sc->sc_flags &= ~SC_OP_SCANNING;
- sc->sc_flags |= SC_OP_FULL_RESET;
- ath_start_ani(common);
- ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
- ath_beacon_config(sc, NULL);
mutex_unlock(&sc->mutex);
}
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff