#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;
- u32 txpow;
if (sc->curtxpow != sc->config.txpowlimit) {
- ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit);
+ ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
/* read back in case value is clamped */
- ath9k_hw_getcapability(ah, ATH9K_CAP_TXPOW, 1, &txpow);
- sc->curtxpow = txpow;
+ sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
}
}
void ath9k_ps_wakeup(struct ath_softc *sc)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long flags;
+ enum ath9k_power_mode power_mode;
spin_lock_irqsave(&sc->sc_pm_lock, flags);
if (++sc->ps_usecount != 1)
goto unlock;
+ power_mode = sc->sc_ah->power_mode;
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.
+ */
+ if (power_mode != ATH9K_PM_AWAKE) {
+ 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->curchan)
+ return;
+
+ 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);
+ spin_lock_bh(&sc->sc_pcu_lock);
+
/*
* This is only performed if the channel settings have
* actually changed.
* hardware at the new frequency, and then re-enable
* the relevant bits of the h/w.
*/
- ath9k_hw_set_interrupts(ah, 0);
- ath_drain_all_txq(sc, false);
- stopped = ath_stoprecv(sc);
+ ath9k_hw_disable_interrupts(ah);
+ stopped = ath_drain_all_txq(sc, false);
+
+ if (!ath_stoprecv(sc))
+ stopped = false;
/* XXX: do not flush receive queue here. We don't want
* 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;
- ath_print(common, ATH_DBG_CONFIG,
- "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
- sc->sc_ah->curchan->channel,
- channel->center_freq, conf_is_ht40(conf));
+ if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
+ caldata = &aphy->caldata;
- spin_lock_bh(&sc->sc_resetlock);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n",
+ sc->sc_ah->curchan->channel,
+ channel->center_freq, conf_is_ht40(conf),
+ fastcc);
- 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), "
- "reset status %d\n",
- channel->center_freq, r);
- spin_unlock_bh(&sc->sc_resetlock);
+ ath_err(common,
+ "Unable to reset channel (%u MHz), reset status %d\n",
+ channel->center_freq, r);
goto ps_restore;
}
- 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");
+ ath_err(common, "Unable to restart recv logic\n");
r = -EIO;
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))) {
+ if (sc->sc_flags & SC_OP_BEACONS)
+ ath_beacon_config(sc, NULL);
+ ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
+ ath_start_ani(common);
+ }
+
ps_restore:
+ spin_unlock_bh(&sc->sc_pcu_lock);
+
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 (!caldata || !caldata->paprd_done)
+ return;
+
+ ath9k_ps_wakeup(sc);
+ ar9003_paprd_enable(ah, false);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(common->tx_chainmask & BIT(chain)))
+ continue;
+
+ ar9003_paprd_populate_single_table(ah, caldata, chain);
+ }
+
+ ar9003_paprd_enable(ah, true);
+ ath9k_ps_restore(sc);
+}
+
+static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_tx_control txctl;
+ int time_left;
+
+ memset(&txctl, 0, sizeof(txctl));
+ txctl.txq = sc->tx.txq_map[WME_AC_BE];
+
+ memset(tx_info, 0, sizeof(*tx_info));
+ tx_info->band = hw->conf.channel->band;
+ tx_info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ tx_info->control.rates[0].idx = 0;
+ tx_info->control.rates[0].count = 1;
+ tx_info->control.rates[0].flags = IEEE80211_TX_RC_MCS;
+ tx_info->control.rates[1].idx = -1;
+
+ init_completion(&sc->paprd_complete);
+ txctl.paprd = BIT(chain);
+
+ if (ath_tx_start(hw, skb, &txctl) != 0) {
+ ath_dbg(common, ATH_DBG_XMIT, "PAPRD TX failed\n");
+ dev_kfree_skb_any(skb);
+ return false;
+ }
+
+ time_left = wait_for_completion_timeout(&sc->paprd_complete,
+ msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
+
+ if (!time_left)
+ ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE,
+ "Timeout waiting for paprd training on TX chain %d\n",
+ chain);
+
+ return !!time_left;
+}
+
+void ath_paprd_calibrate(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work);
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ieee80211_hdr *hdr;
+ struct sk_buff *skb = NULL;
+ struct ath9k_hw_cal_data *caldata = ah->caldata;
+ struct ath_common *common = ath9k_hw_common(ah);
+ int ftype;
+ int chain_ok = 0;
+ int chain;
+ int len = 1800;
+
+ if (!caldata)
+ return;
+
+ if (ar9003_paprd_init_table(ah) < 0)
+ return;
+
+ skb = alloc_skb(len, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ skb_put(skb, len);
+ memset(skb->data, 0, len);
+ hdr = (struct ieee80211_hdr *)skb->data;
+ ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC;
+ hdr->frame_control = cpu_to_le16(ftype);
+ 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);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(common->tx_chainmask & BIT(chain)))
+ continue;
+
+ chain_ok = 0;
+
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Sending PAPRD frame for thermal measurement "
+ "on chain %d\n", chain);
+ if (!ath_paprd_send_frame(sc, skb, chain))
+ goto fail_paprd;
+
+ ar9003_paprd_setup_gain_table(ah, chain);
+
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Sending PAPRD training frame on chain %d\n", chain);
+ if (!ath_paprd_send_frame(sc, skb, chain))
+ goto fail_paprd;
+
+ if (!ar9003_paprd_is_done(ah))
+ break;
+
+ if (ar9003_paprd_create_curve(ah, caldata, chain) != 0)
+ break;
+
+ chain_ok = 1;
+ }
+ kfree_skb(skb);
+
+ if (chain_ok) {
+ caldata->paprd_done = true;
+ ath_paprd_activate(sc);
+ }
+
+fail_paprd:
+ ath9k_ps_restore(sc);
+}
+
/*
* This routine performs the periodic noise floor calibration function
* that is used to adjust and optimize the chip performance. This
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);
+ ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
common->ani.longcal_timer = timestamp;
}
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);
+ ath_dbg(common, ATH_DBG_ANI,
+ "shortcal @%lu\n", jiffies);
common->ani.shortcal_timer = timestamp;
common->ani.resetcal_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));
-}
-
-static void ath_start_ani(struct ath_common *common)
-{
- struct ath_hw *ah = common->ah;
- unsigned long timestamp = jiffies_to_msecs(jiffies);
-
- 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
- * the chainmask configuration, for bt coexistence, use
- * the chainmask configuration even in legacy mode.
- */
-void ath_update_chainmask(struct ath_softc *sc, int is_ht)
-{
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-
- if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
- (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
- common->tx_chainmask = ah->caps.tx_chainmask;
- common->rx_chainmask = ah->caps.rx_chainmask;
- } else {
- common->tx_chainmask = 1;
- common->rx_chainmask = 1;
+ 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 if (!ah->paprd_table_write_done)
+ ath_paprd_activate(sc);
}
-
- ath_print(common, ATH_DBG_CONFIG,
- "tx chmask: %d, rx chmask: %d\n",
- common->tx_chainmask,
- common->rx_chainmask);
}
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
{
struct ath_node *an;
-
+ struct ath_hw *ah = sc->sc_ah;
an = (struct ath_node *)sta->drv_priv;
+ if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
+ sc->sc_flags |= SC_OP_ENABLE_APM;
+
if (sc->sc_flags & SC_OP_TXAGGR) {
ath_tx_node_init(sc, an);
an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
sta->ht_cap.ampdu_factor);
an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density);
- an->last_rssi = ATH_RSSI_DUMMY_MARKER;
}
}
ath_tx_node_cleanup(sc, an);
}
+void ath_hw_check(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
+ int i;
+
+ ath9k_ps_wakeup(sc);
+
+ for (i = 0; i < 3; i++) {
+ if (ath9k_hw_check_alive(sc->sc_ah))
+ goto out;
+
+ msleep(1);
+ }
+ ath_reset(sc, true);
+
+out:
+ ath9k_ps_restore(sc);
+}
+
void ath9k_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
u32 status = sc->intrstatus;
u32 rxmask;
- ath9k_ps_wakeup(sc);
-
- if ((status & ATH9K_INT_FATAL) ||
- !ath9k_hw_check_alive(ah)) {
- ath_reset(sc, false);
- ath9k_ps_restore(sc);
+ if (status & ATH9K_INT_FATAL) {
+ ath_reset(sc, true);
return;
}
+ ath9k_ps_wakeup(sc);
+ spin_lock(&sc->sc_pcu_lock);
+
+ if (!ath9k_hw_check_alive(ah))
+ ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
rxmask = (ATH9K_INT_RXHP | ATH9K_INT_RXLP | ATH9K_INT_RXEOL |
ATH9K_INT_RXORN);
rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
if (status & rxmask) {
- spin_lock_bh(&sc->rx.rxflushlock);
-
/* Check for high priority Rx first */
if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
(status & ATH9K_INT_RXHP))
ath_rx_tasklet(sc, 0, true);
ath_rx_tasklet(sc, 0, false);
- spin_unlock_bh(&sc->rx.rxflushlock);
}
if (status & ATH9K_INT_TX) {
* TSF sync does not look correct; remain awake to sync with
* the next Beacon.
*/
- ath_print(common, ATH_DBG_PS,
- "TSFOOR - Sync with next Beacon\n");
+ ath_dbg(common, ATH_DBG_PS,
+ "TSFOOR - Sync with next Beacon\n");
sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC;
}
ath_gen_timer_isr(sc->sc_ah);
/* re-enable hardware interrupt */
- ath9k_hw_set_interrupts(ah, ah->imask);
+ ath9k_hw_enable_interrupts(ah);
+
+ spin_unlock(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
}
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;
}
* interrupt; otherwise it will continue to
* fire.
*/
- ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
/*
* Let the hal handle the event. We assume
* it will clear whatever condition caused
* the interrupt.
*/
- ath9k_hw_procmibevent(ah);
- ath9k_hw_set_interrupts(ah, ah->imask);
+ spin_lock(&common->cc_lock);
+ ath9k_hw_proc_mib_event(ah);
+ spin_unlock(&common->cc_lock);
+ ath9k_hw_enable_interrupts(ah);
}
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
if (status & ATH9K_INT_TIM_TIMER) {
+ if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
+ goto chip_reset;
/* Clear RxAbort bit so that we can
* receive frames */
ath9k_setpower(sc, ATH9K_PM_AWAKE);
ath_debug_stat_interrupt(sc, status);
if (sched) {
- /* turn off every interrupt except SWBA */
- ath9k_hw_set_interrupts(ah, (ah->imask & ATH9K_INT_SWBA));
+ /* turn off every interrupt */
+ ath9k_hw_disable_interrupts(ah);
tasklet_schedule(&sc->intr_tq);
}
}
static void ath9k_bss_assoc_info(struct ath_softc *sc,
+ struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
+ struct ath_wiphy *aphy = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
if (bss_conf->assoc) {
- ath_print(common, ATH_DBG_CONFIG,
- "Bss Info ASSOC %d, bssid: %pM\n",
- bss_conf->aid, common->curbssid);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Bss Info ASSOC %d, bssid: %pM\n",
+ bss_conf->aid, common->curbssid);
/* New association, store aid */
common->curaid = bss_conf->aid;
ath_beacon_config(sc, vif);
/* Reset rssi stats */
+ aphy->last_rssi = ATH_RSSI_DUMMY_MARKER;
sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
+ sc->sc_flags |= SC_OP_ANI_RUN;
ath_start_ani(common);
} else {
- ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
common->curaid = 0;
/* Stop ANI */
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
del_timer_sync(&common->ani.timer);
}
}
int r;
ath9k_ps_wakeup(sc);
+ spin_lock_bh(&sc->sc_pcu_lock);
+
ath9k_hw_configpcipowersave(ah, 0, 0);
if (!ah->curchan)
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), "
- "reset status %d\n",
- channel->center_freq, r);
+ ath_err(common,
+ "Unable to reset channel (%u MHz), reset status %d\n",
+ channel->center_freq, r);
}
- spin_unlock_bh(&sc->sc_resetlock);
ath_update_txpow(sc);
if (ath_startrecv(sc) != 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to restart recv logic\n");
- return;
+ ath_err(common, "Unable to restart recv logic\n");
+ goto out;
}
-
if (sc->sc_flags & SC_OP_BEACONS)
ath_beacon_config(sc, NULL); /* restart beacons */
ath9k_hw_set_gpio(ah, ah->led_pin, 0);
ieee80211_wake_queues(hw);
+out:
+ spin_unlock_bh(&sc->sc_pcu_lock);
+
ath9k_ps_restore(sc);
}
int r;
ath9k_ps_wakeup(sc);
+ spin_lock_bh(&sc->sc_pcu_lock);
+
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);
+ ath9k_hw_disable_interrupts(ah);
ath_drain_all_txq(sc, false); /* clear pending tx frames */
+
ath_stoprecv(sc); /* turn off frame recv */
ath_flushrecv(sc); /* flush recv queue */
if (!ah->curchan)
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), "
- "reset status %d\n",
- channel->center_freq, r);
+ ath_err(ath9k_hw_common(sc->sc_ah),
+ "Unable to reset channel (%u MHz), reset status %d\n",
+ channel->center_freq, r);
}
- spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_phy_disable(ah);
+
ath9k_hw_configpcipowersave(ah, 1, 1);
+
+ spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
- ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
}
int ath_reset(struct ath_softc *sc, bool retry_tx)
/* Stop ANI */
del_timer_sync(&common->ani.timer);
+ ath9k_ps_wakeup(sc);
+ spin_lock_bh(&sc->sc_pcu_lock);
+
ieee80211_stop_queues(hw);
- ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
ath_drain_all_txq(sc, retry_tx);
+
ath_stoprecv(sc);
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);
- spin_unlock_bh(&sc->sc_resetlock);
+ ath_err(common,
+ "Unable to reset hardware; reset status %d\n", r);
if (ath_startrecv(sc) != 0)
- ath_print(common, ATH_DBG_FATAL,
- "Unable to start recv logic\n");
+ ath_err(common, "Unable to start recv logic\n");
/*
* We may be doing a reset in response to a request
* 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);
}
ieee80211_wake_queues(hw);
+ spin_unlock_bh(&sc->sc_pcu_lock);
/* Start ANI */
ath_start_ani(common);
+ ath9k_ps_restore(sc);
return r;
}
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
-{
- int qnum;
-
- switch (queue) {
- case 0:
- qnum = sc->tx.hwq_map[WME_AC_VO];
- break;
- case 1:
- qnum = sc->tx.hwq_map[WME_AC_VI];
- break;
- case 2:
- qnum = sc->tx.hwq_map[WME_AC_BE];
- break;
- case 3:
- qnum = sc->tx.hwq_map[WME_AC_BK];
- break;
- default:
- qnum = sc->tx.hwq_map[WME_AC_BE];
- break;
- }
-
- return qnum;
-}
-
-int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc)
-{
- int qnum;
-
- switch (queue) {
- case WME_AC_VO:
- qnum = 0;
- break;
- case WME_AC_VI:
- qnum = 1;
- break;
- case WME_AC_BE:
- qnum = 2;
- break;
- case WME_AC_BK:
- qnum = 3;
- break;
- default:
- qnum = -1;
- break;
- }
-
- return qnum;
-}
-
/* XXX: Remove me once we don't depend on ath9k_channel for all
* this redundant data */
void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *init_channel;
int r;
- ath_print(common, ATH_DBG_CONFIG,
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Starting driver with initial channel: %d MHz\n",
+ curchan->center_freq);
+
+ ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
* be followed by initialization of the appropriate bits
* and then setup of the interrupt mask.
*/
- spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, init_channel, false);
+ spin_lock_bh(&sc->sc_pcu_lock);
+ 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 "
- "(freq %u MHz)\n", r,
- curchan->center_freq);
- spin_unlock_bh(&sc->sc_resetlock);
+ ath_err(common,
+ "Unable to reset hardware; reset status %d (freq %u MHz)\n",
+ r, curchan->center_freq);
+ spin_unlock_bh(&sc->sc_pcu_lock);
goto mutex_unlock;
}
- spin_unlock_bh(&sc->sc_resetlock);
/*
* This is needed only to setup initial state
* here except setup the interrupt mask.
*/
if (ath_startrecv(sc) != 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to start recv logic\n");
+ ath_err(common, "Unable to start recv logic\n");
r = -EIO;
+ spin_unlock_bh(&sc->sc_pcu_lock);
goto mutex_unlock;
}
+ spin_unlock_bh(&sc->sc_pcu_lock);
/* Setup our intr mask. */
ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
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;
+ sc->sc_ah->is_monitoring = false;
/* Disable BMISS interrupt when we're not associated */
ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
ath9k_btcoex_timer_resume(sc);
}
+ if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
+ common->bus_ops->extn_synch_en(common);
+
mutex_unlock:
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
+
return r;
}
static int ath9k_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
- int padpos, padsize;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- int qnum;
if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
- ath_print(common, ATH_DBG_XMIT,
- "ath9k: %s: TX in unexpected wiphy state "
- "%d\n", wiphy_name(hw->wiphy), aphy->state);
+ ath_dbg(common, ATH_DBG_XMIT,
+ "ath9k: %s: TX in unexpected wiphy state %d\n",
+ wiphy_name(hw->wiphy), aphy->state);
goto exit;
}
if (ieee80211_is_data(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control) &&
!ieee80211_has_pm(hdr->frame_control)) {
- ath_print(common, ATH_DBG_PS, "Add PM=1 for a TX frame "
- "while in PS mode\n");
+ ath_dbg(common, ATH_DBG_PS,
+ "Add PM=1 for a TX frame while in PS mode\n");
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
}
}
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
ath9k_hw_setrxabort(sc->sc_ah, 0);
if (ieee80211_is_pspoll(hdr->frame_control)) {
- ath_print(common, ATH_DBG_PS,
- "Sending PS-Poll to pick a buffered frame\n");
+ ath_dbg(common, ATH_DBG_PS,
+ "Sending PS-Poll to pick a buffered frame\n");
sc->ps_flags |= PS_WAIT_FOR_PSPOLL_DATA;
} else {
- ath_print(common, ATH_DBG_PS,
- "Wake up to complete TX\n");
+ ath_dbg(common, ATH_DBG_PS,
+ "Wake up to complete TX\n");
sc->ps_flags |= PS_WAIT_FOR_TX_ACK;
}
/*
}
memset(&txctl, 0, sizeof(struct ath_tx_control));
+ txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
- /*
- * As a temporary workaround, assign seq# here; this will likely need
- * to be cleaned up to work better with Beacon transmission and virtual
- * BSSes.
- */
- if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
- if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
- sc->tx.seq_no += 0x10;
- hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
- }
-
- /* Add the padding after the header if this is not already done */
- padpos = ath9k_cmn_padpos(hdr->frame_control);
- padsize = padpos & 3;
- if (padsize && skb->len>padpos) {
- if (skb_headroom(skb) < padsize)
- return -1;
- skb_push(skb, padsize);
- memmove(skb->data, skb->data + padsize, padpos);
- }
-
- qnum = ath_get_hal_qnum(skb_get_queue_mapping(skb), sc);
- txctl.txq = &sc->tx.txq[qnum];
-
- ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
+ ath_dbg(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
if (ath_tx_start(hw, skb, &txctl) != 0) {
- ath_print(common, ATH_DBG_XMIT, "TX failed\n");
+ ath_dbg(common, ATH_DBG_XMIT, "TX failed\n");
goto exit;
}
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);
aphy->state = ATH_WIPHY_INACTIVE;
- cancel_delayed_work_sync(&sc->ath_led_blink_work);
+ if (led_blink)
+ cancel_delayed_work_sync(&sc->ath_led_blink_work);
+
cancel_delayed_work_sync(&sc->tx_complete_work);
+ cancel_work_sync(&sc->paprd_work);
+ cancel_work_sync(&sc->hw_check_work);
+
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ if (sc->sec_wiphy[i])
+ break;
+ }
- if (!sc->num_sec_wiphy) {
+ if (i == sc->num_sec_wiphy) {
cancel_delayed_work_sync(&sc->wiphy_work);
cancel_work_sync(&sc->chan_work);
}
if (sc->sc_flags & SC_OP_INVALID) {
- ath_print(common, ATH_DBG_ANY, "Device not present\n");
+ ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
mutex_unlock(&sc->mutex);
return;
}
ath9k_btcoex_timer_pause(sc);
}
+ spin_lock_bh(&sc->sc_pcu_lock);
+
+ /* prevent tasklets to enable interrupts once we disable them */
+ ah->imask &= ~ATH9K_INT_GLOBAL;
+
/* make sure h/w will not generate any interrupt
* before setting the invalid flag. */
- ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
if (!(sc->sc_flags & SC_OP_INVALID)) {
ath_drain_all_txq(sc, false);
} else
sc->rx.rxlink = NULL;
+ if (sc->rx.frag) {
+ dev_kfree_skb_any(sc->rx.frag);
+ sc->rx.frag = NULL;
+ }
+
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(ah);
ath9k_hw_configpcipowersave(ah, 1, 1);
+
+ spin_unlock_bh(&sc->sc_pcu_lock);
+
+ /* we can now sync irq and kill any running tasklets, since we already
+ * disabled interrupts and not holding a spin lock */
+ synchronize_irq(sc->irq);
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
+
ath9k_ps_restore(sc);
- /* Finally, put the chip in FULL SLEEP mode */
- ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
+ sc->ps_idle = true;
+ ath9k_set_wiphy_idle(aphy, true);
+ ath_radio_disable(sc, hw);
sc->sc_flags |= SC_OP_INVALID;
mutex_unlock(&sc->mutex);
- ath_print(common, ATH_DBG_CONFIG, "Driver halt\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
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:
ic_opmode = vif->type;
break;
default:
- ath_print(common, ATH_DBG_FATAL,
- "Interface type %d not yet supported\n", vif->type);
+ ath_err(common, "Interface type %d not yet supported\n",
+ vif->type);
ret = -EOPNOTSUPP;
goto out;
}
- ath_print(common, ATH_DBG_CONFIG,
- "Attach a VIF of type: %d\n", ic_opmode);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Attach a VIF of type: %d\n", ic_opmode);
/* Set the VIF opmode */
avp->av_opmode = ic_opmode;
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 */
ath9k_hw_set_interrupts(ah, ah->imask);
if (vif->type == NL80211_IFTYPE_AP ||
- vif->type == NL80211_IFTYPE_ADHOC ||
- vif->type == NL80211_IFTYPE_MONITOR)
+ vif->type == NL80211_IFTYPE_ADHOC) {
+ sc->sc_flags |= SC_OP_ANI_RUN;
ath_start_ani(common);
+ }
+
+out:
+ mutex_unlock(&sc->mutex);
+ return ret;
+}
+
+static void ath9k_reclaim_beacon(struct ath_softc *sc,
+ struct ieee80211_vif *vif)
+{
+ struct ath_vif *avp = (void *)vif->drv_priv;
+
+ /* Disable SWBA interrupt */
+ sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+ ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+ tasklet_kill(&sc->bcon_tasklet);
+ ath9k_ps_restore(sc);
+
+ ath_beacon_return(sc, avp);
+ sc->sc_flags &= ~SC_OP_BEACONS;
+
+ if (sc->nbcnvifs > 0) {
+ /* Re-enable beaconing */
+ sc->sc_ah->imask |= ATH9K_INT_SWBA;
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+ ath9k_ps_restore(sc);
+ }
+}
+
+static int ath9k_change_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum nl80211_iftype new_type,
+ bool p2p)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int ret = 0;
+
+ ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
+ mutex_lock(&sc->mutex);
+
+ switch (new_type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ if (sc->nbcnvifs >= ATH_BCBUF) {
+ ath_err(common, "No beacon slot available\n");
+ ret = -ENOBUFS;
+ goto out;
+ }
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* Stop ANI */
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
+ del_timer_sync(&common->ani.timer);
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_ADHOC))
+ ath9k_reclaim_beacon(sc, vif);
+ break;
+ default:
+ ath_err(common, "Interface type %d not yet supported\n",
+ vif->type);
+ ret = -ENOTSUPP;
+ goto out;
+ }
+ vif->type = new_type;
+ vif->p2p = p2p;
out:
mutex_unlock(&sc->mutex);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_vif *avp = (void *)vif->drv_priv;
- int i;
- ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
mutex_lock(&sc->mutex);
/* Stop ANI */
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
del_timer_sync(&common->ani.timer);
/* Reclaim beacon resources */
if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
- ath9k_ps_wakeup(sc);
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- ath9k_ps_restore(sc);
- }
-
- ath_beacon_return(sc, avp);
- sc->sc_flags &= ~SC_OP_BEACONS;
-
- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
- if (sc->beacon.bslot[i] == vif) {
- printk(KERN_DEBUG "%s: vif had allocated beacon "
- "slot\n", __func__);
- sc->beacon.bslot[i] = NULL;
- sc->beacon.bslot_aphy[i] = NULL;
- }
- }
+ (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT))
+ ath9k_reclaim_beacon(sc, vif);
sc->nvifs--;
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);
if (enable_radio) {
sc->ps_idle = false;
ath_radio_enable(sc, hw);
- ath_print(common, ATH_DBG_CONFIG,
- "not-idle: enabling radio\n");
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "not-idle: enabling radio\n");
}
}
* 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 (conf->flags & IEEE80211_CONF_MONITOR) {
- ath_print(common, ATH_DBG_CONFIG,
- "HW opmode set to Monitor mode\n");
- sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Monitor mode is enabled\n");
+ sc->sc_ah->is_monitoring = true;
+ } else {
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Monitor mode is disabled\n");
+ sc->sc_ah->is_monitoring = false;
}
}
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)
goto skip_chan_change;
}
- ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
- curchan->center_freq);
+ ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
+ curchan->center_freq);
/* XXX: remove me eventualy */
ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
- 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");
+ ath_err(common, "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:
if (changed & IEEE80211_CONF_CHANGE_POWER) {
sc->config.txpowlimit = 2 * conf->power_level;
+ ath9k_ps_wakeup(sc);
ath_update_txpow(sc);
+ ath9k_ps_restore(sc);
}
spin_lock_bh(&sc->wiphy_lock);
spin_unlock_bh(&sc->wiphy_lock);
if (disable_radio) {
- ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
sc->ps_idle = true;
ath_radio_disable(sc, hw);
}
FIF_PSPOLL | \
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC | \
+ FIF_PROBE_REQ | \
FIF_FCSFAIL)
/* FIXME: sc->sc_full_reset ? */
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
ath9k_ps_restore(sc);
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
- "Set HW RX filter: 0x%x\n", rfilt);
+ ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+ "Set HW RX filter: 0x%x\n", rfilt);
}
static int ath9k_sta_add(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);
+ struct ath_txq *txq;
struct ath9k_tx_queue_info qi;
- int ret = 0, qnum;
+ int ret = 0;
if (queue >= WME_NUM_AC)
return 0;
+ txq = sc->tx.txq_map[queue];
+
mutex_lock(&sc->mutex);
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
qi.tqi_cwmin = params->cw_min;
qi.tqi_cwmax = params->cw_max;
qi.tqi_burstTime = params->txop;
- qnum = ath_get_hal_qnum(queue, sc);
- ath_print(common, ATH_DBG_CONFIG,
- "Configure tx [queue/halq] [%d/%d], "
- "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
- queue, qnum, params->aifs, params->cw_min,
- params->cw_max, params->txop);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Configure tx [queue/halq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
+ queue, txq->axq_qnum, params->aifs, params->cw_min,
+ params->cw_max, params->txop);
- ret = ath_txq_update(sc, qnum, &qi);
+ ret = ath_txq_update(sc, txq->axq_qnum, &qi);
if (ret)
- ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
+ ath_err(common, "TXQ Update failed\n");
if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
- if ((qnum == sc->tx.hwq_map[WME_AC_BE]) && !ret)
+ if (queue == WME_AC_BE && !ret)
ath_beaconq_config(sc);
mutex_unlock(&sc->mutex);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int ret = 0;
- if (modparam_nohwcrypt)
+ if (ath9k_modparam_nohwcrypt)
return -ENOSPC;
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);
- ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n");
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;
/* Set aggregation protection mode parameters */
sc->config.ath_aggr_prot = 0;
- /* Only legacy IBSS for now */
- if (vif->type == NL80211_IFTYPE_ADHOC)
- ath_update_chainmask(sc, 0);
-
- ath_print(common, ATH_DBG_CONFIG,
- "BSSID: %pM aid: 0x%x\n",
- common->curbssid, common->curaid);
+ ath_dbg(common, ATH_DBG_CONFIG, "BSSID: %pM aid: 0x%x\n",
+ common->curbssid, common->curaid);
/* need to reconfigure the beacon */
sc->sc_flags &= ~SC_OP_BEACONS ;
}
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
- bss_conf->use_short_preamble);
+ ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
+ bss_conf->use_short_preamble);
if (bss_conf->use_short_preamble)
sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
else
}
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
- ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
- bss_conf->use_cts_prot);
+ ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
+ bss_conf->use_cts_prot);
if (bss_conf->use_cts_prot &&
hw->conf.channel->band != IEEE80211_BAND_5GHZ)
sc->sc_flags |= SC_OP_PROTECT_ENABLE;
}
if (changed & BSS_CHANGED_ASSOC) {
- ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
+ ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
bss_conf->assoc);
- ath9k_bss_assoc_info(sc, vif, bss_conf);
+ ath9k_bss_assoc_info(sc, hw, vif, bss_conf);
}
mutex_unlock(&sc->mutex);
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+ ath9k_ps_wakeup(sc);
tsf = ath9k_hw_gettsf64(sc->sc_ah);
+ ath9k_ps_restore(sc);
mutex_unlock(&sc->mutex);
return tsf;
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+ ath9k_ps_wakeup(sc);
ath9k_hw_settsf64(sc->sc_ah, tsf);
+ ath9k_ps_restore(sc);
mutex_unlock(&sc->mutex);
}
case IEEE80211_AMPDU_RX_STOP:
break;
case IEEE80211_AMPDU_TX_START:
+ if (!(sc->sc_flags & SC_OP_TXAGGR))
+ return -EOPNOTSUPP;
+
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:
ath9k_ps_restore(sc);
break;
default:
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "Unknown AMPDU action\n");
+ ath_err(ath9k_hw_common(sc->sc_ah), "Unknown AMPDU action\n");
}
local_bh_enable();
{
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;
+
+ spin_lock_irqsave(&common->cc_lock, flags);
+ if (idx == 0)
+ ath_update_survey_stats(sc);
- if (idx != 0)
+ 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_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);
}
.start = ath9k_start,
.stop = ath9k_stop,
.add_interface = ath9k_add_interface,
+ .change_interface = ath9k_change_interface,
.remove_interface = ath9k_remove_interface,
.config = ath9k_config,
.configure_filter = ath9k_configure_filter,
projects / linux-flexiantxendom0-natty.git / blobdiff