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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
commit6469f540ea37d53db089c8fea9c0c77a3d9353d4 (patch)
tree1dc9dc077150d57f4424cae49e711b5dd6e903a1 /drivers/net/wireless/ath/ath9k/main.c
parent304e6d5fe294b80e6d3107f99ec241816390ebcc (diff)
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/mtdcore.c Merged in order that I can apply the Nomadik nand/onenand support patches.
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c316
1 files changed, 199 insertions, 117 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 66a6c1f5022..3dc7b5a13e6 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -17,8 +17,6 @@
#include <linux/nl80211.h>
#include "ath9k.h"
-#define ATH_PCI_VERSION "0.1"
-
static char *dev_info = "ath9k";
MODULE_AUTHOR("Atheros Communications");
@@ -342,6 +340,7 @@ static void ath_ani_calibrate(unsigned long data)
* don't calibrate when we're scanning.
* we are most likely not on our home channel.
*/
+ spin_lock(&sc->ani_lock);
if (sc->sc_flags & SC_OP_SCANNING)
goto set_timer;
@@ -385,7 +384,7 @@ static void ath_ani_calibrate(unsigned long data)
if (longcal || shortcal || aniflag) {
/* Call ANI routine if necessary */
if (aniflag)
- ath9k_hw_ani_monitor(ah, &sc->nodestats, ah->curchan);
+ ath9k_hw_ani_monitor(ah, ah->curchan);
/* Perform calibration if necessary */
if (longcal || shortcal) {
@@ -405,6 +404,7 @@ static void ath_ani_calibrate(unsigned long data)
ath9k_ps_restore(sc);
set_timer:
+ spin_unlock(&sc->ani_lock);
/*
* Set timer interval based on previous results.
* The interval must be the shortest necessary to satisfy ANI,
@@ -439,8 +439,8 @@ static void ath_start_ani(struct ath_softc *sc)
*/
void ath_update_chainmask(struct ath_softc *sc, int is_ht)
{
- if (is_ht ||
- (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)) {
+ if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
+ (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) {
sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
} else {
@@ -460,9 +460,10 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
if (sc->sc_flags & SC_OP_TXAGGR) {
ath_tx_node_init(sc, an);
- an->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
+ 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;
}
}
@@ -496,8 +497,7 @@ static void ath9k_tasklet(unsigned long data)
if (status & ATH9K_INT_TX)
ath_tx_tasklet(sc);
- if ((status & ATH9K_INT_TSFOOR) &&
- (sc->hw->conf.flags & IEEE80211_CONF_PS)) {
+ if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) {
/*
* TSF sync does not look correct; remain awake to sync with
* the next Beacon.
@@ -506,6 +506,10 @@ static void ath9k_tasklet(unsigned long data)
sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
}
+ if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+ if (status & ATH9K_INT_GENTIMER)
+ ath_gen_timer_isr(sc->sc_ah);
+
/* re-enable hardware interrupt */
ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
ath9k_ps_restore(sc);
@@ -521,7 +525,8 @@ irqreturn_t ath_isr(int irq, void *dev)
ATH9K_INT_TX | \
ATH9K_INT_BMISS | \
ATH9K_INT_CST | \
- ATH9K_INT_TSFOOR)
+ ATH9K_INT_TSFOOR | \
+ ATH9K_INT_GENTIMER)
struct ath_softc *sc = dev;
struct ath_hw *ah = sc->sc_ah;
@@ -589,7 +594,7 @@ irqreturn_t ath_isr(int irq, void *dev)
* it will clear whatever condition caused
* the interrupt.
*/
- ath9k_hw_procmibevent(ah, &sc->nodestats);
+ ath9k_hw_procmibevent(ah);
ath9k_hw_set_interrupts(ah, sc->imask);
}
@@ -885,8 +890,7 @@ static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
static void setup_ht_cap(struct ath_softc *sc,
struct ieee80211_sta_ht_cap *ht_info)
{
-#define ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */
-#define ATH9K_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */
+ u8 tx_streams, rx_streams;
ht_info->ht_supported = true;
ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
@@ -894,64 +898,61 @@ static void setup_ht_cap(struct ath_softc *sc,
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_DSSSCCK40;
- ht_info->ampdu_factor = ATH9K_HT_CAP_MAXRXAMPDU_65536;
- ht_info->ampdu_density = ATH9K_HT_CAP_MPDUDENSITY_8;
+ ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+ tx_streams = !(sc->tx_chainmask & (sc->tx_chainmask - 1)) ? 1 : 2;
+ rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
- switch(sc->rx_chainmask) {
- case 1:
- ht_info->mcs.rx_mask[0] = 0xff;
- break;
- case 3:
- case 5:
- case 7:
- default:
- ht_info->mcs.rx_mask[0] = 0xff;
- ht_info->mcs.rx_mask[1] = 0xff;
- break;
+ if (tx_streams != rx_streams) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
+ tx_streams, rx_streams);
+ ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+ ht_info->mcs.tx_params |= ((tx_streams - 1) <<
+ IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
}
- ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+ ht_info->mcs.rx_mask[0] = 0xff;
+ if (rx_streams >= 2)
+ ht_info->mcs.rx_mask[1] = 0xff;
+
+ ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
}
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
- struct ath_vif *avp = (void *)vif->drv_priv;
if (bss_conf->assoc) {
DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
bss_conf->aid, sc->curbssid);
/* New association, store aid */
- if (avp->av_opmode == NL80211_IFTYPE_STATION) {
- sc->curaid = bss_conf->aid;
- ath9k_hw_write_associd(sc);
+ sc->curaid = bss_conf->aid;
+ ath9k_hw_write_associd(sc);
- /*
- * Request a re-configuration of Beacon related timers
- * on the receipt of the first Beacon frame (i.e.,
- * after time sync with the AP).
- */
- sc->sc_flags |= SC_OP_BEACON_SYNC;
- }
+ /*
+ * Request a re-configuration of Beacon related timers
+ * on the receipt of the first Beacon frame (i.e.,
+ * after time sync with the AP).
+ */
+ sc->sc_flags |= SC_OP_BEACON_SYNC;
/* Configure the beacon */
ath_beacon_config(sc, vif);
/* Reset rssi stats */
- sc->nodestats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
- sc->nodestats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
- sc->nodestats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
- sc->nodestats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
+ sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
ath_start_ani(sc);
} else {
DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
sc->curaid = 0;
+ /* Stop ANI */
+ del_timer_sync(&sc->ani.timer);
}
}
@@ -969,15 +970,16 @@ static void ath_led_blink_work(struct work_struct *work)
if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
(sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 0);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
else
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
(sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
- queue_delayed_work(sc->hw->workqueue, &sc->ath_led_blink_work,
- (sc->sc_flags & SC_OP_LED_ON) ?
- msecs_to_jiffies(sc->led_off_duration) :
- msecs_to_jiffies(sc->led_on_duration));
+ ieee80211_queue_delayed_work(sc->hw,
+ &sc->ath_led_blink_work,
+ (sc->sc_flags & SC_OP_LED_ON) ?
+ msecs_to_jiffies(sc->led_off_duration) :
+ msecs_to_jiffies(sc->led_on_duration));
sc->led_on_duration = sc->led_on_cnt ?
max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
@@ -1002,7 +1004,7 @@ static void ath_led_brightness(struct led_classdev *led_cdev,
case LED_OFF:
if (led->led_type == ATH_LED_ASSOC ||
led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
(led->led_type == ATH_LED_RADIO));
sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
if (led->led_type == ATH_LED_RADIO)
@@ -1014,10 +1016,10 @@ static void ath_led_brightness(struct led_classdev *led_cdev,
case LED_FULL:
if (led->led_type == ATH_LED_ASSOC) {
sc->sc_flags |= SC_OP_LED_ASSOCIATED;
- queue_delayed_work(sc->hw->workqueue,
- &sc->ath_led_blink_work, 0);
+ ieee80211_queue_delayed_work(sc->hw,
+ &sc->ath_led_blink_work, 0);
} else if (led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 0);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
sc->sc_flags |= SC_OP_LED_ON;
} else {
sc->led_on_cnt++;
@@ -1057,13 +1059,12 @@ static void ath_unregister_led(struct ath_led *led)
static void ath_deinit_leds(struct ath_softc *sc)
{
- cancel_delayed_work_sync(&sc->ath_led_blink_work);
ath_unregister_led(&sc->assoc_led);
sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
ath_unregister_led(&sc->tx_led);
ath_unregister_led(&sc->rx_led);
ath_unregister_led(&sc->radio_led);
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
}
static void ath_init_leds(struct ath_softc *sc)
@@ -1071,11 +1072,16 @@ static void ath_init_leds(struct ath_softc *sc)
char *trigger;
int ret;
+ if (AR_SREV_9287(sc->sc_ah))
+ sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+ else
+ sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+
/* Configure gpio 1 for output */
- ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+ ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
/* LED off, active low */
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
@@ -1114,6 +1120,7 @@ static void ath_init_leds(struct ath_softc *sc)
return;
fail:
+ cancel_delayed_work_sync(&sc->ath_led_blink_work);
ath_deinit_leds(sc);
}
@@ -1153,9 +1160,9 @@ void ath_radio_enable(struct ath_softc *sc)
ath9k_hw_set_interrupts(ah, sc->imask);
/* Enable LED */
- ath9k_hw_cfg_output(ah, ATH_LED_PIN,
+ ath9k_hw_cfg_output(ah, ah->led_pin,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(ah, ATH_LED_PIN, 0);
+ ath9k_hw_set_gpio(ah, ah->led_pin, 0);
ieee80211_wake_queues(sc->hw);
ath9k_ps_restore(sc);
@@ -1171,8 +1178,8 @@ void ath_radio_disable(struct ath_softc *sc)
ieee80211_stop_queues(sc->hw);
/* Disable LED */
- ath9k_hw_set_gpio(ah, ATH_LED_PIN, 1);
- ath9k_hw_cfg_gpio_input(ah, ATH_LED_PIN);
+ 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);
@@ -1253,8 +1260,6 @@ void ath_detach(struct ath_softc *sc)
DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
ath_deinit_leds(sc);
- cancel_work_sync(&sc->chan_work);
- cancel_delayed_work_sync(&sc->wiphy_work);
for (i = 0; i < sc->num_sec_wiphy; i++) {
struct ath_wiphy *aphy = sc->sec_wiphy[i];
@@ -1279,9 +1284,13 @@ void ath_detach(struct ath_softc *sc)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+ if ((sc->btcoex_info.no_stomp_timer) &&
+ sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath_gen_timer_free(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
+
ath9k_hw_detach(sc->sc_ah);
+ sc->sc_ah = NULL;
ath9k_exit_debug(sc);
- ath9k_ps_restore(sc);
}
static int ath9k_reg_notifier(struct wiphy *wiphy,
@@ -1290,16 +1299,21 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_regulatory *reg = &sc->sc_ah->regulatory;
+ struct ath_regulatory *reg = &sc->common.regulatory;
return ath_reg_notifier_apply(wiphy, request, reg);
}
-static int ath_init(u16 devid, struct ath_softc *sc)
+/*
+ * Initialize and fill ath_softc, ath_sofct is the
+ * "Software Carrier" struct. Historically it has existed
+ * to allow the separation between hardware specific
+ * variables (now in ath_hw) and driver specific variables.
+ */
+static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
{
struct ath_hw *ah = NULL;
- int status;
- int error = 0, i;
+ int r = 0, i;
int csz = 0;
/* XXX: hardware will not be ready until ath_open() being called */
@@ -1311,6 +1325,8 @@ static int ath_init(u16 devid, struct ath_softc *sc)
spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
spin_lock_init(&sc->sc_serial_rw);
+ spin_lock_init(&sc->ani_lock);
+ spin_lock_init(&sc->sc_pm_lock);
mutex_init(&sc->mutex);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
@@ -1322,16 +1338,26 @@ static int ath_init(u16 devid, struct ath_softc *sc)
*/
ath_read_cachesize(sc, &csz);
/* XXX assert csz is non-zero */
- sc->cachelsz = csz << 2; /* convert to bytes */
+ sc->common.cachelsz = csz << 2; /* convert to bytes */
+
+ ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
+ if (!ah) {
+ r = -ENOMEM;
+ goto bad_no_ah;
+ }
+
+ ah->ah_sc = sc;
+ ah->hw_version.devid = devid;
+ ah->hw_version.subsysid = subsysid;
+ sc->sc_ah = ah;
- ah = ath9k_hw_attach(devid, sc, &status);
- if (ah == NULL) {
+ r = ath9k_hw_init(ah);
+ if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to attach hardware; HAL status %d\n", status);
- error = -ENXIO;
+ "Unable to initialize hardware; "
+ "initialization status: %d\n", r);
goto bad;
}
- sc->sc_ah = ah;
/* Get the hardware key cache size. */
sc->keymax = ah->caps.keycache_size;
@@ -1349,9 +1375,6 @@ static int ath_init(u16 devid, struct ath_softc *sc)
for (i = 0; i < sc->keymax; i++)
ath9k_hw_keyreset(ah, (u16) i);
- if (error)
- goto bad;
-
/* default to MONITOR mode */
sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
@@ -1371,14 +1394,14 @@ static int ath_init(u16 devid, struct ath_softc *sc)
if (sc->beacon.beaconq == -1) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup a beacon xmit queue\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
if (sc->beacon.cabq == NULL) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup CAB xmit queue\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
@@ -1393,26 +1416,26 @@ static int ath_init(u16 devid, struct ath_softc *sc)
if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup xmit queue for BK traffic\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup xmit queue for BE traffic\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup xmit queue for VI traffic\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to setup xmit queue for VO traffic\n");
- error = -EIO;
+ r = -EIO;
goto bad2;
}
@@ -1496,8 +1519,11 @@ static int ath_init(u16 devid, struct ath_softc *sc)
ARRAY_SIZE(ath9k_5ghz_chantable);
}
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)
- ath9k_hw_btcoex_enable(sc->sc_ah);
+ if (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) {
+ r = ath9k_hw_btcoex_init(ah);
+ if (r)
+ goto bad2;
+ }
return 0;
bad2:
@@ -1506,11 +1532,12 @@ bad2:
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
bad:
- if (ah)
- ath9k_hw_detach(ah);
+ ath9k_hw_detach(ah);
+ sc->sc_ah = NULL;
+bad_no_ah:
ath9k_exit_debug(sc);
- return error;
+ return r;
}
void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
@@ -1536,7 +1563,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->max_rates = 4;
hw->channel_change_time = 5000;
hw->max_listen_interval = 10;
- hw->max_rate_tries = ATH_11N_TXMAXTRY;
+ /* Hardware supports 10 but we use 4 */
+ hw->max_rate_tries = 4;
hw->sta_data_size = sizeof(struct ath_node);
hw->vif_data_size = sizeof(struct ath_vif);
@@ -1549,7 +1577,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
&sc->sbands[IEEE80211_BAND_5GHZ];
}
-int ath_attach(u16 devid, struct ath_softc *sc)
+/* Device driver core initialization */
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0, i;
@@ -1557,7 +1586,7 @@ int ath_attach(u16 devid, struct ath_softc *sc)
DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
- error = ath_init(devid, sc);
+ error = ath_init_softc(devid, sc, subsysid);
if (error != 0)
return error;
@@ -1567,12 +1596,12 @@ int ath_attach(u16 devid, struct ath_softc *sc)
ath_set_hw_capab(sc, hw);
- error = ath_regd_init(&sc->sc_ah->regulatory, sc->hw->wiphy,
+ error = ath_regd_init(&sc->common.regulatory, sc->hw->wiphy,
ath9k_reg_notifier);
if (error)
return error;
- reg = &sc->sc_ah->regulatory;
+ reg = &sc->common.regulatory;
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
@@ -1615,6 +1644,7 @@ error_attach:
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
ath9k_hw_detach(sc->sc_ah);
+ sc->sc_ah = NULL;
ath9k_exit_debug(sc);
return error;
@@ -1850,7 +1880,7 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
if (chan->band == IEEE80211_BAND_2GHZ) {
ichan->chanmode = CHANNEL_G;
- ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
+ ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM | CHANNEL_G;
} else {
ichan->chanmode = CHANNEL_A;
ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
@@ -1973,6 +2003,19 @@ static int ath9k_start(struct ieee80211_hw *hw)
ieee80211_wake_queues(hw);
+ ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
+
+ if ((sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
+ !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) {
+ ath_btcoex_set_weight(&sc->btcoex_info, AR_BT_COEX_WGHT,
+ AR_STOMP_LOW_WLAN_WGHT);
+ ath9k_hw_btcoex_enable(sc->sc_ah);
+
+ ath_pcie_aspm_disable(sc);
+ if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath_btcoex_timer_resume(sc, &sc->btcoex_info);
+ }
+
mutex_unlock:
mutex_unlock(&sc->mutex);
@@ -1994,7 +2037,7 @@ static int ath9k_tx(struct ieee80211_hw *hw,
goto exit;
}
- if (sc->hw->conf.flags & IEEE80211_CONF_PS) {
+ if (sc->ps_enabled) {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
/*
* mac80211 does not set PM field for normal data frames, so we
@@ -2083,22 +2126,35 @@ static void ath9k_stop(struct ieee80211_hw *hw)
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ mutex_lock(&sc->mutex);
+
aphy->state = ATH_WIPHY_INACTIVE;
+ cancel_delayed_work_sync(&sc->ath_led_blink_work);
+ cancel_delayed_work_sync(&sc->tx_complete_work);
+
+ if (!sc->num_sec_wiphy) {
+ cancel_delayed_work_sync(&sc->wiphy_work);
+ cancel_work_sync(&sc->chan_work);
+ }
+
if (sc->sc_flags & SC_OP_INVALID) {
DPRINTF(sc, ATH_DBG_ANY, "Device not present\n");
+ mutex_unlock(&sc->mutex);
return;
}
- mutex_lock(&sc->mutex);
-
- ieee80211_stop_queues(hw);
-
if (ath9k_wiphy_started(sc)) {
mutex_unlock(&sc->mutex);
return; /* another wiphy still in use */
}
+ if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
+ ath9k_hw_btcoex_disable(sc->sc_ah);
+ if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath_btcoex_timer_pause(sc, &sc->btcoex_info);
+ }
+
/* make sure h/w will not generate any interrupt
* before setting the invalid flag. */
ath9k_hw_set_interrupts(sc->sc_ah, 0);
@@ -2115,6 +2171,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(sc->sc_ah);
ath9k_hw_configpcipowersave(sc->sc_ah, 1);
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
sc->sc_flags |= SC_OP_INVALID;
@@ -2189,14 +2246,15 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
if ((conf->type == NL80211_IFTYPE_STATION) ||
(conf->type == NL80211_IFTYPE_ADHOC) ||
(conf->type == NL80211_IFTYPE_MESH_POINT)) {
- if (ath9k_hw_phycounters(sc->sc_ah))
- sc->imask |= ATH9K_INT_MIB;
+ sc->imask |= ATH9K_INT_MIB;
sc->imask |= ATH9K_INT_TSFOOR;
}
ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
- if (conf->type == NL80211_IFTYPE_AP)
+ if (conf->type == NL80211_IFTYPE_AP ||
+ conf->type == NL80211_IFTYPE_ADHOC ||
+ conf->type == NL80211_IFTYPE_MONITOR)
ath_start_ani(sc);
out:
@@ -2249,9 +2307,28 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
struct ath_softc *sc = aphy->sc;
struct ieee80211_conf *conf = &hw->conf;
struct ath_hw *ah = sc->sc_ah;
+ bool all_wiphys_idle = false, disable_radio = false;
mutex_lock(&sc->mutex);
+ /* Leave this as the first check */
+ if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+
+ spin_lock_bh(&sc->wiphy_lock);
+ all_wiphys_idle = ath9k_all_wiphys_idle(sc);
+ spin_unlock_bh(&sc->wiphy_lock);
+
+ if (conf->flags & IEEE80211_CONF_IDLE){
+ if (all_wiphys_idle)
+ disable_radio = true;
+ }
+ else if (all_wiphys_idle) {
+ ath_radio_enable(sc);
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "not-idle: enabling radio\n");
+ }
+ }
+
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (conf->flags & IEEE80211_CONF_PS) {
if (!(ah->caps.hw_caps &
@@ -2263,8 +2340,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
ath9k_hw_setrxabort(sc->sc_ah, 1);
}
- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+ sc->ps_enabled = true;
} else {
+ sc->ps_enabled = false;
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
@@ -2319,6 +2397,11 @@ skip_chan_change:
if (changed & IEEE80211_CONF_CHANGE_POWER)
sc->config.txpowlimit = 2 * conf->power_level;
+ if (disable_radio) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "idle: disabling radio\n");
+ ath_radio_disable(sc);
+ }
+
mutex_unlock(&sc->mutex);
return 0;
@@ -2328,6 +2411,7 @@ skip_chan_change:
(FIF_PROMISC_IN_BSS | \
FIF_ALLMULTI | \
FIF_CONTROL | \
+ FIF_PSPOLL | \
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC | \
FIF_FCSFAIL)
@@ -2336,8 +2420,7 @@ skip_chan_change:
static void ath9k_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
- int mc_count,
- struct dev_mc_list *mclist)
+ u64 multicast)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
@@ -2352,7 +2435,7 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
ath9k_ps_restore(sc);
- DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", sc->rx.rxfilter);
+ DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
}
static void ath9k_sta_notify(struct ieee80211_hw *hw,
@@ -2638,19 +2721,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
case IEEE80211_AMPDU_RX_STOP:
break;
case IEEE80211_AMPDU_TX_START:
- ret = ath_tx_aggr_start(sc, sta, tid, ssn);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to start TX aggregation\n");
- else
- ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ ath_tx_aggr_start(sc, sta, tid, ssn);
+ ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_STOP:
- ret = ath_tx_aggr_stop(sc, sta, tid);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to stop TX aggregation\n");
-
+ ath_tx_aggr_stop(sc, sta, tid);
ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
@@ -2668,6 +2743,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ mutex_lock(&sc->mutex);
if (ath9k_wiphy_scanning(sc)) {
printk(KERN_DEBUG "ath9k: Two wiphys trying to scan at the "
"same time\n");
@@ -2675,14 +2751,16 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
* Do not allow the concurrent scanning state for now. This
* could be improved with scanning control moved into ath9k.
*/
+ mutex_unlock(&sc->mutex);
return;
}
aphy->state = ATH_WIPHY_SCAN;
ath9k_wiphy_pause_all_forced(sc, aphy);
- mutex_lock(&sc->mutex);
+ spin_lock_bh(&sc->ani_lock);
sc->sc_flags |= SC_OP_SCANNING;
+ spin_unlock_bh(&sc->ani_lock);
mutex_unlock(&sc->mutex);
}
@@ -2692,9 +2770,12 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+ spin_lock_bh(&sc->ani_lock);
aphy->state = ATH_WIPHY_ACTIVE;
sc->sc_flags &= ~SC_OP_SCANNING;
sc->sc_flags |= SC_OP_FULL_RESET;
+ spin_unlock_bh(&sc->ani_lock);
+ ath_beacon_config(sc, NULL);
mutex_unlock(&sc->mutex);
}
@@ -2728,7 +2809,8 @@ static struct {
{ AR_SREV_VERSION_9100, "9100" },
{ AR_SREV_VERSION_9160, "9160" },
{ AR_SREV_VERSION_9280, "9280" },
- { AR_SREV_VERSION_9285, "9285" }
+ { AR_SREV_VERSION_9285, "9285" },
+ { AR_SREV_VERSION_9287, "9287" }
};
static struct {