#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);
/* 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;
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 (!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);
+}
+
+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 ieee80211_tx_info *tx_info;
+ 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 len = 1800;
+ int time_left;
+ int i;
+
+ if (!caldata)
+ return;
+
+ skb = alloc_skb(len, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ tx_info = IEEE80211_SKB_CB(skb);
+
+ 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);
+
+ memset(&txctl, 0, sizeof(txctl));
+ qnum = sc->tx.hwq_map[WME_AC_BE];
+ txctl.txq = &sc->tx.txq[qnum];
+
+ ath9k_ps_wakeup(sc);
+ ar9003_paprd_init_table(ah);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(common->tx_chainmask & BIT(chain)))
+ continue;
+
+ chain_ok = 0;
+ memset(tx_info, 0, sizeof(*tx_info));
+ tx_info->band = band;
+
+ for (i = 0; i < 4; i++) {
+ tx_info->control.rates[i].idx = sband->n_bitrates - 1;
+ tx_info->control.rates[i].count = 6;
+ }
+
+ init_completion(&sc->paprd_complete);
+ ar9003_paprd_setup_gain_table(ah, chain);
+ txctl.paprd = BIT(chain);
+ if (ath_tx_start(hw, skb, &txctl) != 0)
+ break;
+
+ time_left = wait_for_completion_timeout(&sc->paprd_complete,
+ msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
+ if (!time_left) {
+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "Timeout waiting for paprd training on "
+ "TX chain %d\n",
+ 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);
common->ani.longcal_timer = timestamp;
}
/* Verify whether we must check ANI */
- if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
+ if ((timestamp - common->ani.checkani_timer) >=
+ ah->config.ani_poll_interval) {
aniflag = true;
common->ani.checkani_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 = ATH_LONG_CALINTERVAL;
if (sc->sc_ah->config.enable_ani)
- cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
+ cal_interval = min(cal_interval,
+ (u32)ah->config.ani_poll_interval);
if (!common->ani.caldone)
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)
-{
- 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(ATH_ANI_POLLINTERVAL));
+ 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);
+ }
}
/*
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;
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, false);
+
+out:
+ ath9k_ps_restore(sc);
+}
+
void ath9k_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
ath9k_ps_wakeup(sc);
- if ((status & ATH9K_INT_FATAL) ||
- !ath9k_hw_check_alive(ah)) {
+ if (status & ATH9K_INT_FATAL) {
ath_reset(sc, false);
ath9k_ps_restore(sc);
return;
}
+ 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);
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;
!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)))
goto chip_reset;
+ 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;
+ }
+
if (status & ATH9K_INT_SWBA)
tasklet_schedule(&sc->bcon_tasklet);
* 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);
}
return chanmode;
}
-static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key,
- struct ath9k_keyval *hk, const u8 *addr,
- bool authenticator)
-{
- struct ath_hw *ah = common->ah;
- const u8 *key_rxmic;
- const u8 *key_txmic;
-
- key_txmic = key + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY;
- key_rxmic = key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
-
- if (addr == NULL) {
- /*
- * Group key installation - only two key cache entries are used
- * regardless of splitmic capability since group key is only
- * used either for TX or RX.
- */
- if (authenticator) {
- memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
- memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_mic));
- } else {
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
- memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic));
- }
- return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
- }
- if (!common->splitmic) {
- /* TX and RX keys share the same key cache entry. */
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
- memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic));
- return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
- }
-
- /* Separate key cache entries for TX and RX */
-
- /* TX key goes at first index, RX key at +32. */
- memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
- if (!ath9k_hw_set_keycache_entry(ah, keyix, hk, NULL)) {
- /* TX MIC entry failed. No need to proceed further */
- ath_print(common, ATH_DBG_FATAL,
- "Setting TX MIC Key Failed\n");
- return 0;
- }
-
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
- /* XXX delete tx key on failure? */
- return ath9k_hw_set_keycache_entry(ah, keyix + 32, hk, addr);
-}
-
-static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
-{
- int i;
-
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
- if (test_bit(i, common->keymap) ||
- test_bit(i + 64, common->keymap))
- continue; /* At least one part of TKIP key allocated */
- if (common->splitmic &&
- (test_bit(i + 32, common->keymap) ||
- test_bit(i + 64 + 32, common->keymap)))
- continue; /* At least one part of TKIP key allocated */
-
- /* Found a free slot for a TKIP key */
- return i;
- }
- return -1;
-}
-
-static int ath_reserve_key_cache_slot(struct ath_common *common)
-{
- int i;
-
- /* First, try to find slots that would not be available for TKIP. */
- if (common->splitmic) {
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
- if (!test_bit(i, common->keymap) &&
- (test_bit(i + 32, common->keymap) ||
- test_bit(i + 64, common->keymap) ||
- test_bit(i + 64 + 32, common->keymap)))
- return i;
- if (!test_bit(i + 32, common->keymap) &&
- (test_bit(i, common->keymap) ||
- test_bit(i + 64, common->keymap) ||
- test_bit(i + 64 + 32, common->keymap)))
- return i + 32;
- if (!test_bit(i + 64, common->keymap) &&
- (test_bit(i , common->keymap) ||
- test_bit(i + 32, common->keymap) ||
- test_bit(i + 64 + 32, common->keymap)))
- return i + 64;
- if (!test_bit(i + 64 + 32, common->keymap) &&
- (test_bit(i, common->keymap) ||
- test_bit(i + 32, common->keymap) ||
- test_bit(i + 64, common->keymap)))
- return i + 64 + 32;
- }
- } else {
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
- if (!test_bit(i, common->keymap) &&
- test_bit(i + 64, common->keymap))
- return i;
- if (test_bit(i, common->keymap) &&
- !test_bit(i + 64, common->keymap))
- return i + 64;
- }
- }
-
- /* No partially used TKIP slots, pick any available slot */
- for (i = IEEE80211_WEP_NKID; i < common->keymax; i++) {
- /* Do not allow slots that could be needed for TKIP group keys
- * to be used. This limitation could be removed if we know that
- * TKIP will not be used. */
- if (i >= 64 && i < 64 + IEEE80211_WEP_NKID)
- continue;
- if (common->splitmic) {
- if (i >= 32 && i < 32 + IEEE80211_WEP_NKID)
- continue;
- if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID)
- continue;
- }
-
- if (!test_bit(i, common->keymap))
- return i; /* Found a free slot for a key */
- }
-
- /* No free slot found */
- return -1;
-}
-
-static int ath_key_config(struct ath_common *common,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key)
-{
- struct ath_hw *ah = common->ah;
- struct ath9k_keyval hk;
- const u8 *mac = NULL;
- int ret = 0;
- int idx;
-
- memset(&hk, 0, sizeof(hk));
-
- switch (key->alg) {
- case ALG_WEP:
- hk.kv_type = ATH9K_CIPHER_WEP;
- break;
- case ALG_TKIP:
- hk.kv_type = ATH9K_CIPHER_TKIP;
- break;
- case ALG_CCMP:
- hk.kv_type = ATH9K_CIPHER_AES_CCM;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- hk.kv_len = key->keylen;
- memcpy(hk.kv_val, key->key, key->keylen);
-
- if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
- /* For now, use the default keys for broadcast keys. This may
- * need to change with virtual interfaces. */
- idx = key->keyidx;
- } else if (key->keyidx) {
- if (WARN_ON(!sta))
- return -EOPNOTSUPP;
- mac = sta->addr;
-
- if (vif->type != NL80211_IFTYPE_AP) {
- /* Only keyidx 0 should be used with unicast key, but
- * allow this for client mode for now. */
- idx = key->keyidx;
- } else
- return -EIO;
- } else {
- if (WARN_ON(!sta))
- return -EOPNOTSUPP;
- mac = sta->addr;
-
- if (key->alg == ALG_TKIP)
- idx = ath_reserve_key_cache_slot_tkip(common);
- else
- idx = ath_reserve_key_cache_slot(common);
- if (idx < 0)
- return -ENOSPC; /* no free key cache entries */
- }
-
- if (key->alg == ALG_TKIP)
- ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
- vif->type == NL80211_IFTYPE_AP);
- else
- ret = ath9k_hw_set_keycache_entry(ah, idx, &hk, mac);
-
- if (!ret)
- return -EIO;
-
- set_bit(idx, common->keymap);
- if (key->alg == ALG_TKIP) {
- set_bit(idx + 64, common->keymap);
- if (common->splitmic) {
- set_bit(idx + 32, common->keymap);
- set_bit(idx + 64 + 32, common->keymap);
- }
- }
-
- return idx;
-}
-
-static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key)
-{
- struct ath_hw *ah = common->ah;
-
- ath9k_hw_keyreset(ah, key->hw_key_idx);
- if (key->hw_key_idx < IEEE80211_WEP_NKID)
- return;
-
- clear_bit(key->hw_key_idx, common->keymap);
- if (key->alg != ALG_TKIP)
- return;
-
- clear_bit(key->hw_key_idx + 64, common->keymap);
- if (common->splitmic) {
- ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
- clear_bit(key->hw_key_idx + 32, common->keymap);
- clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
- }
-}
-
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
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);
return r;
}
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
+static int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
{
int qnum;
switch (queue) {
case 0:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VO];
+ qnum = sc->tx.hwq_map[WME_AC_VO];
break;
case 1:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VI];
+ qnum = sc->tx.hwq_map[WME_AC_VI];
break;
case 2:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
case 3:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BK];
+ qnum = sc->tx.hwq_map[WME_AC_BK];
break;
default:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
}
int qnum;
switch (queue) {
- case ATH9K_WME_AC_VO:
+ case WME_AC_VO:
qnum = 0;
break;
- case ATH9K_WME_AC_VI:
+ case WME_AC_VI:
qnum = 1;
break;
- case ATH9K_WME_AC_BE:
+ case WME_AC_BE:
qnum = 2;
break;
- case ATH9K_WME_AC_BK:
+ case WME_AC_BK:
qnum = 3;
break;
default:
* 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 "
ATH9K_INT_GLOBAL;
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
- ah->imask |= ATH9K_INT_RXHP | ATH9K_INT_RXLP;
+ ah->imask |= ATH9K_INT_RXHP |
+ ATH9K_INT_RXLP |
+ ATH9K_INT_BB_WATCHDOG;
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_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,
* completed and if needed, also for RX of buffered frames.
*/
ath9k_ps_wakeup(sc);
- ath9k_hw_setrxabort(sc->sc_ah, 0);
+ 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");
memmove(skb->data, skb->data + padsize, padpos);
}
- /* Check if a tx queue is available */
-
- txctl.txq = ath_test_get_txq(sc, skb);
- if (!txctl.txq)
- goto exit;
+ 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);
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);
}
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;
ah->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(ah, ah->imask);
}
+ ath9k_hw_setrxabort(ah, 1);
}
- ath9k_hw_setrxabort(ah, 1);
+}
+
+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 ? */
ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
- if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret)
+ if ((qnum == sc->tx.hwq_map[WME_AC_BE]) && !ret)
ath_beaconq_config(sc);
mutex_unlock(&sc->mutex);
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;
}
struct ath_softc *sc = aphy->sc;
int ret = 0;
+ local_bh_disable();
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
if (!(sc->sc_flags & SC_OP_RXAGGR))
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:
"Unknown AMPDU action\n");
}
+ local_bh_enable();
+
return ret;
}
{
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);
+
+ 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 (idx != 0)
+ 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);
}
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff