/* Known PCI ids */
-static struct pci_device_id ath5k_pci_id_table[] __devinitdata = {
+static const struct pci_device_id ath5k_pci_id_table[] = {
{ PCI_VDEVICE(ATHEROS, 0x0207), .driver_data = AR5K_AR5210 }, /* 5210 early */
{ PCI_VDEVICE(ATHEROS, 0x0007), .driver_data = AR5K_AR5210 }, /* 5210 */
{ PCI_VDEVICE(ATHEROS, 0x0011), .driver_data = AR5K_AR5211 }, /* 5311 - this is on AHB bus !*/
MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table);
/* Known SREVs */
-static struct ath5k_srev_name srev_names[] = {
+static const struct ath5k_srev_name srev_names[] = {
{ "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 },
{ "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 },
{ "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A },
{ "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN },
};
-static struct ieee80211_rate ath5k_rates[] = {
+static const struct ieee80211_rate ath5k_rates[] = {
{ .bitrate = 10,
.hw_value = ATH5K_RATE_CODE_1M, },
{ .bitrate = 20,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
-static struct ieee80211_ops ath5k_hw_ops = {
+static const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
.start = ath5k_start,
.stop = ath5k_stop,
static void ath5k_beacon_send(struct ath5k_softc *sc);
static void ath5k_beacon_config(struct ath5k_softc *sc);
static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
+static void ath5k_tasklet_beacon(unsigned long data);
static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp)
{
static void ath5k_tasklet_reset(unsigned long data);
static void ath5k_calibrate(unsigned long data);
-/* LED functions */
-static int ath5k_init_leds(struct ath5k_softc *sc);
-static void ath5k_led_enable(struct ath5k_softc *sc);
-static void ath5k_led_off(struct ath5k_softc *sc);
-static void ath5k_unregister_leds(struct ath5k_softc *sc);
/*
* Module init/exit functions
tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc);
tasklet_init(&sc->restq, ath5k_tasklet_reset, (unsigned long)sc);
+ tasklet_init(&sc->beacontq, ath5k_tasklet_beacon, (unsigned long)sc);
setup_timer(&sc->calib_tim, ath5k_calibrate, (unsigned long)sc);
ret = ath5k_eeprom_read_mac(ah, mac);
static inline int
ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
{
- WARN_ON(hw_rix < 0 || hw_rix > AR5K_MAX_RATES);
+ WARN(hw_rix < 0 || hw_rix >= AR5K_MAX_RATES,
+ "hw_rix out of bounds: %x\n", hw_rix);
return sc->rate_idx[sc->curband->band][hw_rix];
}
pktlen = skb->len;
+ if (info->control.hw_key) {
+ keyidx = info->control.hw_key->hw_key_idx;
+ pktlen += info->control.hw_key->icv_len;
+ }
if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
flags |= AR5K_TXDESC_RTSENA;
cts_rate = ieee80211_get_rts_cts_rate(sc->hw, info)->hw_value;
duration = le16_to_cpu(ieee80211_ctstoself_duration(sc->hw,
sc->vif, pktlen, info));
}
-
- if (info->control.hw_key) {
- keyidx = info->control.hw_key->hw_key_idx;
- pktlen += info->control.hw_key->icv_len;
- }
ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
(sc->power_level * 2),
}
}
+static void ath5k_tasklet_beacon(unsigned long data)
+{
+ struct ath5k_softc *sc = (struct ath5k_softc *) data;
+
+ /*
+ * Software beacon alert--time to send a beacon.
+ *
+ * In IBSS mode we use this interrupt just to
+ * keep track of the next TBTT (target beacon
+ * transmission time) in order to detect wether
+ * automatic TSF updates happened.
+ */
+ if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+ /* XXX: only if VEOL suppported */
+ u64 tsf = ath5k_hw_get_tsf64(sc->ah);
+ sc->nexttbtt += sc->bintval;
+ ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+ "SWBA nexttbtt: %x hw_tu: %x "
+ "TSF: %llx\n",
+ sc->nexttbtt,
+ TSF_TO_TU(tsf),
+ (unsigned long long) tsf);
+ } else {
+ spin_lock(&sc->block);
+ ath5k_beacon_send(sc);
+ spin_unlock(&sc->block);
+ }
+}
static void
ath5k_tasklet_rx(unsigned long data)
* frame contents are done as needed and the slot time is
* also adjusted based on current state.
*
- * this is usually called from interrupt context (ath5k_intr())
- * but also from ath5k_beacon_config() in IBSS mode which in turn
- * can be called from a tasklet and user context
+ * This is called from software irq context (beacontq or restq
+ * tasklets) or user context from ath5k_beacon_config.
*/
static void
ath5k_beacon_send(struct ath5k_softc *sc)
ath5k_beacon_config(struct ath5k_softc *sc)
{
struct ath5k_hw *ah = sc->ah;
+ unsigned long flags;
ath5k_hw_set_imr(ah, 0);
sc->bmisscount = 0;
if (sc->opmode == NL80211_IFTYPE_ADHOC) {
if (ath5k_hw_hasveol(ah)) {
- spin_lock(&sc->block);
+ spin_lock_irqsave(&sc->block, flags);
ath5k_beacon_send(sc);
- spin_unlock(&sc->block);
+ spin_unlock_irqrestore(&sc->block, flags);
}
} else
ath5k_beacon_update_timers(sc, -1);
tasklet_kill(&sc->rxtq);
tasklet_kill(&sc->txtq);
tasklet_kill(&sc->restq);
+ tasklet_kill(&sc->beacontq);
return ret;
}
return IRQ_NONE;
do {
- /*
- * Figure out the reason(s) for the interrupt. Note
- * that get_isr returns a pseudo-ISR that may include
- * bits we haven't explicitly enabled so we mask the
- * value to insure we only process bits we requested.
- */
ath5k_hw_get_isr(ah, &status); /* NB: clears IRQ too */
ATH5K_DBG(sc, ATH5K_DEBUG_INTR, "status 0x%x/0x%x\n",
status, sc->imask);
- status &= sc->imask; /* discard unasked for bits */
if (unlikely(status & AR5K_INT_FATAL)) {
/*
* Fatal errors are unrecoverable.
tasklet_schedule(&sc->restq);
} else {
if (status & AR5K_INT_SWBA) {
- /*
- * Software beacon alert--time to send a beacon.
- * Handle beacon transmission directly; deferring
- * this is too slow to meet timing constraints
- * under load.
- *
- * In IBSS mode we use this interrupt just to
- * keep track of the next TBTT (target beacon
- * transmission time) in order to detect wether
- * automatic TSF updates happened.
- */
- if (sc->opmode == NL80211_IFTYPE_ADHOC) {
- /* XXX: only if VEOL suppported */
- u64 tsf = ath5k_hw_get_tsf64(ah);
- sc->nexttbtt += sc->bintval;
- ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
- "SWBA nexttbtt: %x hw_tu: %x "
- "TSF: %llx\n",
- sc->nexttbtt,
- TSF_TO_TU(tsf),
- (unsigned long long) tsf);
- } else {
- spin_lock(&sc->block);
- ath5k_beacon_send(sc);
- spin_unlock(&sc->block);
- }
+ tasklet_schedule(&sc->beacontq);
}
if (status & AR5K_INT_RXEOL) {
/*
}
-
-/***************\
-* LED functions *
-\***************/
-
-static void
-ath5k_led_enable(struct ath5k_softc *sc)
-{
- if (test_bit(ATH_STAT_LEDSOFT, sc->status)) {
- ath5k_hw_set_gpio_output(sc->ah, sc->led_pin);
- ath5k_led_off(sc);
- }
-}
-
-static void
-ath5k_led_on(struct ath5k_softc *sc)
-{
- if (!test_bit(ATH_STAT_LEDSOFT, sc->status))
- return;
- ath5k_hw_set_gpio(sc->ah, sc->led_pin, sc->led_on);
-}
-
-static void
-ath5k_led_off(struct ath5k_softc *sc)
-{
- if (!test_bit(ATH_STAT_LEDSOFT, sc->status))
- return;
- ath5k_hw_set_gpio(sc->ah, sc->led_pin, !sc->led_on);
-}
-
-static void
-ath5k_led_brightness_set(struct led_classdev *led_dev,
- enum led_brightness brightness)
-{
- struct ath5k_led *led = container_of(led_dev, struct ath5k_led,
- led_dev);
-
- if (brightness == LED_OFF)
- ath5k_led_off(led->sc);
- else
- ath5k_led_on(led->sc);
-}
-
-static int
-ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led,
- const char *name, char *trigger)
-{
- int err;
-
- led->sc = sc;
- strncpy(led->name, name, sizeof(led->name));
- led->led_dev.name = led->name;
- led->led_dev.default_trigger = trigger;
- led->led_dev.brightness_set = ath5k_led_brightness_set;
-
- err = led_classdev_register(&sc->pdev->dev, &led->led_dev);
- if (err) {
- ATH5K_WARN(sc, "could not register LED %s\n", name);
- led->sc = NULL;
- }
- return err;
-}
-
-static void
-ath5k_unregister_led(struct ath5k_led *led)
-{
- if (!led->sc)
- return;
- led_classdev_unregister(&led->led_dev);
- ath5k_led_off(led->sc);
- led->sc = NULL;
-}
-
-static void
-ath5k_unregister_leds(struct ath5k_softc *sc)
-{
- ath5k_unregister_led(&sc->rx_led);
- ath5k_unregister_led(&sc->tx_led);
-}
-
-
-static int
-ath5k_init_leds(struct ath5k_softc *sc)
-{
- int ret = 0;
- struct ieee80211_hw *hw = sc->hw;
- struct pci_dev *pdev = sc->pdev;
- char name[ATH5K_LED_MAX_NAME_LEN + 1];
-
- /*
- * Auto-enable soft led processing for IBM cards and for
- * 5211 minipci cards.
- */
- if (pdev->device == PCI_DEVICE_ID_ATHEROS_AR5212_IBM ||
- pdev->device == PCI_DEVICE_ID_ATHEROS_AR5211) {
- __set_bit(ATH_STAT_LEDSOFT, sc->status);
- sc->led_pin = 0;
- sc->led_on = 0; /* active low */
- }
- /* Enable softled on PIN1 on HP Compaq nc6xx, nc4000 & nx5000 laptops */
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ) {
- __set_bit(ATH_STAT_LEDSOFT, sc->status);
- sc->led_pin = 1;
- sc->led_on = 1; /* active high */
- }
- /*
- * Pin 3 on Foxconn chips used in Acer Aspire One (0x105b:e008) and
- * in emachines notebooks with AMBIT subsystem.
- */
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_FOXCONN ||
- pdev->subsystem_vendor == PCI_VENDOR_ID_AMBIT) {
- __set_bit(ATH_STAT_LEDSOFT, sc->status);
- sc->led_pin = 3;
- sc->led_on = 0; /* active low */
- }
-
- if (!test_bit(ATH_STAT_LEDSOFT, sc->status))
- goto out;
-
- ath5k_led_enable(sc);
-
- snprintf(name, sizeof(name), "ath5k-%s::rx", wiphy_name(hw->wiphy));
- ret = ath5k_register_led(sc, &sc->rx_led, name,
- ieee80211_get_rx_led_name(hw));
- if (ret)
- goto out;
-
- snprintf(name, sizeof(name), "ath5k-%s::tx", wiphy_name(hw->wiphy));
- ret = ath5k_register_led(sc, &sc->tx_led, name,
- ieee80211_get_tx_led_name(hw));
-out:
- return ret;
-}
-
-
/********************\
* Mac80211 functions *
\********************/
projects / linux-2.6-omap-h63xx.git / blobdiff