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path: root/drivers/net/wireless/ath/ath9k/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c96
1 files changed, 16 insertions, 80 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 4a00806e285..38794850f00 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *sc)
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
+ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
+ goto unlock;
+
+ if (sc->ps_idle)
mode = ATH9K_PM_FULL_SLEEP;
else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
- PS_WAIT_FOR_PSPOLL_DATA |
- PS_WAIT_FOR_TX_ACK)))
+ PS_WAIT_FOR_PSPOLL_DATA)))
mode = ATH9K_PM_NETWORK_SLEEP;
else
goto unlock;
@@ -332,17 +334,11 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
hchan = ah->curchan;
}
- if (fastcc && (ah->chip_fullsleep ||
- !ath9k_hw_check_alive(ah)))
- fastcc = false;
-
if (!ath_prepare_reset(sc, retry_tx, flush))
fastcc = false;
ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
- hchan->channel, !!(hchan->channelFlags & (CHANNEL_HT40MINUS |
- CHANNEL_HT40PLUS)),
- fastcc);
+ hchan->channel, IS_CHAN_HT40(hchan), fastcc);
r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
if (r) {
@@ -373,12 +369,8 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
if (sc->sc_flags & SC_OP_INVALID)
return -EIO;
- ath9k_ps_wakeup(sc);
-
r = ath_reset_internal(sc, hchan, false);
- ath9k_ps_restore(sc);
-
return r;
}
@@ -647,7 +639,8 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
#endif
an->sta = sta;
an->vif = vif;
- if (sc->sc_flags & SC_OP_TXAGGR) {
+
+ if (sta->ht_cap.ht_supported) {
ath_tx_node_init(sc, an);
an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
sta->ht_cap.ampdu_factor);
@@ -666,7 +659,7 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
an->sta = NULL;
#endif
- if (sc->sc_flags & SC_OP_TXAGGR)
+ if (sta->ht_cap.ht_supported)
ath_tx_node_cleanup(sc, an);
}
@@ -741,12 +734,7 @@ void ath9k_tasklet(unsigned long data)
ath_tx_tasklet(sc);
}
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
- if (status & ATH9K_INT_GENTIMER)
- ath_gen_timer_isr(sc->sc_ah);
-
- if ((status & ATH9K_INT_MCI) && ATH9K_HW_CAP_MCI)
- ath_mci_intr(sc);
+ ath9k_btcoex_handle_interrupt(sc, status);
out:
/* re-enable hardware interrupt */
@@ -1004,12 +992,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
curchan->center_freq);
ath9k_ps_wakeup(sc);
-
mutex_lock(&sc->mutex);
- /* setup initial channel */
- sc->chan_idx = curchan->hw_value;
-
init_channel = ath9k_cmn_get_curchannel(hw, ah);
/* Reset SERDES registers */
@@ -1058,9 +1042,6 @@ static int ath9k_start(struct ieee80211_hw *hw)
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);
-
if (!ath_complete_reset(sc, false)) {
r = -EIO;
spin_unlock_bh(&sc->sc_pcu_lock);
@@ -1081,16 +1062,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
spin_unlock_bh(&sc->sc_pcu_lock);
- if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
- !ah->btcoex_hw.enabled) {
- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
- ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
- AR_STOMP_LOW_WLAN_WGHT);
- ath9k_hw_btcoex_enable(ah);
-
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
- ath9k_btcoex_timer_resume(sc);
- }
+ ath9k_start_btcoex(sc);
if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
common->bus_ops->extn_synch_en(common);
@@ -1191,13 +1163,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
/* Ensure HW is awake when we try to shut it down. */
ath9k_ps_wakeup(sc);
- if (ah->btcoex_hw.enabled &&
- ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
- ath9k_hw_btcoex_disable(ah);
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
- ath9k_btcoex_timer_pause(sc);
- ath_mci_flush_profile(&sc->btcoex.mci);
- }
+ ath9k_stop_btcoex(sc);
spin_lock_bh(&sc->sc_pcu_lock);
@@ -1303,7 +1269,6 @@ static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
iter_data->nwds++;
break;
default:
- iter_data->nothers++;
break;
}
}
@@ -1589,12 +1554,6 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
- /*
- * Leave this as the first check because we need to turn on the
- * radio if it was disabled before prior to processing the rest
- * of the changes. Likewise we must only disable the radio towards
- * the end.
- */
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
if (sc->ps_idle)
@@ -1793,7 +1752,7 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
struct ath_softc *sc = hw->priv;
struct ath_node *an = (struct ath_node *) sta->drv_priv;
- if (!(sc->sc_flags & SC_OP_TXAGGR))
+ if (!sta->ht_cap.ht_supported)
return;
switch (cmd) {
@@ -2005,7 +1964,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
- if (changed & BSS_CHANGED_BSSID) {
+ if (changed & BSS_CHANGED_ASSOC) {
ath9k_config_bss(sc, vif);
ath_dbg(common, CONFIG, "BSSID: %pM aid: 0x%x\n",
@@ -2085,25 +2044,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
ath_beacon_config(sc, vif);
}
- if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- ath_dbg(common, 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
- sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT;
- }
-
- if (changed & BSS_CHANGED_ERP_CTS_PROT) {
- ath_dbg(common, 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;
- else
- sc->sc_flags &= ~SC_OP_PROTECT_ENABLE;
- }
-
mutex_unlock(&sc->mutex);
ath9k_ps_restore(sc);
}
@@ -2161,15 +2101,10 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
switch (action) {
case IEEE80211_AMPDU_RX_START:
- if (!(sc->sc_flags & SC_OP_RXAGGR))
- ret = -ENOTSUPP;
break;
case IEEE80211_AMPDU_RX_STOP:
break;
case IEEE80211_AMPDU_TX_START:
- if (!(sc->sc_flags & SC_OP_TXAGGR))
- return -EOPNOTSUPP;
-
ath9k_ps_wakeup(sc);
ret = ath_tx_aggr_start(sc, sta, tid, ssn);
if (!ret)
@@ -2332,6 +2267,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
struct ath_vif *avp;
struct ath_buf *bf;
struct ath_tx_status ts;
+ bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
int status;
vif = sc->beacon.bslot[0];
@@ -2342,7 +2278,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
if (!avp->is_bslot_active)
return 0;
- if (!sc->beacon.tx_processed) {
+ if (!sc->beacon.tx_processed && !edma) {
tasklet_disable(&sc->bcon_tasklet);
bf = avp->av_bcbuf;