struct ath9k_channel *c;
/* Fill in ah->ah_channels */
- if (!ath9k_regd_init_channels(ah,
- ATH_CHAN_MAX,
- (u32 *)&nchan,
- regclassids,
- ATH_REGCLASSIDS_MAX,
- &nregclass,
- CTRY_DEFAULT,
- false,
- 1)) {
+ if (!ath9k_regd_init_channels(ah, ATH_CHAN_MAX, (u32 *)&nchan,
+ regclassids, ATH_REGCLASSIDS_MAX,
+ &nregclass, CTRY_DEFAULT, false, 1)) {
u32 rd = ah->ah_currentRD;
-
DPRINTF(sc, ATH_DBG_FATAL,
"%s: unable to collect channel list; "
"regdomain likely %u country code %u\n",
chan_2ghz[a].max_power = c->maxTxPower;
if (c->privFlags & CHANNEL_DISALLOW_ADHOC)
- chan_2ghz[a].flags |=
- IEEE80211_CHAN_NO_IBSS;
+ chan_2ghz[a].flags |= IEEE80211_CHAN_NO_IBSS;
if (c->channelFlags & CHANNEL_PASSIVE)
- chan_2ghz[a].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ chan_2ghz[a].flags |= IEEE80211_CHAN_PASSIVE_SCAN;
band_2ghz->n_channels = ++a;
DPRINTF(sc, ATH_DBG_CONFIG,
"%s: 2MHz channel: %d, "
"channelFlags: 0x%x\n",
- __func__,
- c->channel,
- c->channelFlags);
+ __func__, c->channel, c->channelFlags);
} else if (IS_CHAN_5GHZ(c)) {
chan_5ghz[b].band = IEEE80211_BAND_5GHZ;
chan_5ghz[b].center_freq = c->channel;
chan_5ghz[b].max_power = c->maxTxPower;
if (c->privFlags & CHANNEL_DISALLOW_ADHOC)
- chan_5ghz[b].flags |=
- IEEE80211_CHAN_NO_IBSS;
+ chan_5ghz[b].flags |= IEEE80211_CHAN_NO_IBSS;
if (c->channelFlags & CHANNEL_PASSIVE)
- chan_5ghz[b].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ chan_5ghz[b].flags |= IEEE80211_CHAN_PASSIVE_SCAN;
band_5ghz->n_channels = ++b;
DPRINTF(sc, ATH_DBG_CONFIG,
"%s: 5MHz channel: %d, "
"channelFlags: 0x%x\n",
- __func__,
- c->channel,
- c->channelFlags);
+ __func__, c->channel, c->channelFlags);
}
}
return ATH9K_MODE_11B;
}
-/*
- * Stop the device, grabbing the top-level lock to protect
- * against concurrent entry through ath_init (which can happen
- * if another thread does a system call and the thread doing the
- * stop is preempted).
- */
-
-static int ath_stop(struct ath_softc *sc)
-{
- struct ath_hal *ah = sc->sc_ah;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: invalid %ld\n",
- __func__, sc->sc_flags & SC_OP_INVALID);
-
- /*
- * Shutdown the hardware and driver:
- * stop output from above
- * turn off timers
- * disable interrupts
- * clear transmit machinery
- * clear receive machinery
- * turn off the radio
- * reclaim beacon resources
- *
- * Note that some of this work is not possible if the
- * hardware is gone (invalid).
- */
-
- ath_draintxq(sc, false);
- if (!(sc->sc_flags & SC_OP_INVALID)) {
- ath_stoprecv(sc);
- ath9k_hw_phy_disable(ah);
- } else
- sc->sc_rxlink = NULL;
-
- return 0;
-}
-
/*
* Set the current channel
*
DPRINTF(sc, ATH_DBG_CONFIG, "%s: mode %d\n",
__func__, sc->sc_ah->ah_opmode);
- /*
- * Stop anything previously setup. This is safe
- * whether this is the first time through or not.
- */
- ath_stop(sc);
-
- /* Initialize chanmask selection */
- sc->sc_tx_chainmask = ah->ah_caps.tx_chainmask;
- sc->sc_rx_chainmask = ah->ah_caps.rx_chainmask;
-
/* Reset SERDES registers */
ath9k_hw_configpcipowersave(ah, 0);
goto done;
}
spin_unlock_bh(&sc->sc_resetlock);
+
/*
* This is needed only to setup initial state
* but it's best done after a reset.
error = -EIO;
goto done;
}
+
/* Setup our intr mask. */
sc->sc_imask = ATH9K_INT_RX | ATH9K_INT_TX
| ATH9K_INT_RXEOL | ATH9K_INT_RXORN
(sc->sc_ah->ah_opmode == ATH9K_M_STA) &&
!sc->sc_config.swBeaconProcess)
sc->sc_imask |= ATH9K_INT_TIM;
+
+ ath_setcurmode(sc, ath_chan2mode(initial_chan));
+
/*
* Don't enable interrupts here as we've not yet built our
* vap and node data structures, which will be needed as soon
* as we start receiving.
*/
- ath_setcurmode(sc, ath_chan2mode(initial_chan));
-
- /* XXX: we must make sure h/w is ready and clear invalid flag
- * before turning on interrupt. */
sc->sc_flags &= ~SC_OP_INVALID;
+
+ ieee80211_wake_queues(sc->hw);
done:
return error;
}
+void ath_stop(struct ath_softc *sc)
+{
+ struct ath_hal *ah = sc->sc_ah;
+
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Cleaning up\n", __func__);
+
+ ieee80211_stop_queues(sc->hw);
+
+ /* make sure h/w will not generate any interrupt
+ * before setting the invalid flag. */
+ ath9k_hw_set_interrupts(ah, 0);
+
+ if (!(sc->sc_flags & SC_OP_INVALID)) {
+ ath_draintxq(sc, false);
+ ath_stoprecv(sc);
+ ath9k_hw_phy_disable(ah);
+ } else
+ sc->sc_rxlink = NULL;
+
+#ifdef CONFIG_RFKILL
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+#endif
+ /* disable HAL and put h/w to sleep */
+ ath9k_hw_disable(sc->sc_ah);
+ ath9k_hw_configpcipowersave(sc->sc_ah, 1);
+
+ sc->sc_flags |= SC_OP_INVALID;
+}
+
int ath_reset(struct ath_softc *sc, bool retry_tx)
{
struct ath_hal *ah = sc->sc_ah;
int status;
int error = 0;
- ath9k_hw_set_interrupts(ah, 0); /* disable interrupts */
- ath_draintxq(sc, retry_tx); /* stop xmit */
- ath_stoprecv(sc); /* stop recv */
- ath_flushrecv(sc); /* flush recv queue */
+ ath9k_hw_set_interrupts(ah, 0);
+ ath_draintxq(sc, retry_tx);
+ ath_stoprecv(sc);
+ ath_flushrecv(sc);
/* Reset chip */
spin_lock_bh(&sc->sc_resetlock);
}
spin_unlock_bh(&sc->sc_resetlock);
- if (ath_startrecv(sc) != 0) /* restart recv */
+ if (ath_startrecv(sc) != 0)
DPRINTF(sc, ATH_DBG_FATAL,
"%s: unable to start recv logic\n", __func__);
return error;
}
-int ath_suspend(struct ath_softc *sc)
-{
- struct ath_hal *ah = sc->sc_ah;
-
- /* No I/O if device has been surprise removed */
- if (sc->sc_flags & SC_OP_INVALID)
- return -EIO;
-
- /* Shut off the interrupt before setting sc->sc_invalid to '1' */
- ath9k_hw_set_interrupts(ah, 0);
-
- /* XXX: we must make sure h/w will not generate any interrupt
- * before setting the invalid flag. */
- sc->sc_flags |= SC_OP_INVALID;
-
- /* disable HAL and put h/w to sleep */
- ath9k_hw_disable(sc->sc_ah);
-
- ath9k_hw_configpcipowersave(sc->sc_ah, 1);
-
- return 0;
-}
-
/* Interrupt handler. Most of the actual processing is deferred.
* It's the caller's responsibility to ensure the chip is awake. */
/* XXX: hardware will not be ready until ath_open() being called */
sc->sc_flags |= SC_OP_INVALID;
-
sc->sc_debug = DBG_DEFAULT;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: devid 0x%x\n", __func__, devid);
- /* Initialize tasklet */
+ spin_lock_init(&sc->sc_resetlock);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet,
(unsigned long)sc);
/* XXX assert csz is non-zero */
sc->sc_cachelsz = csz << 2; /* convert to bytes */
- spin_lock_init(&sc->sc_resetlock);
-
ah = ath9k_hw_attach(devid, sc, sc->mem, &status);
if (ah == NULL) {
DPRINTF(sc, ATH_DBG_FATAL,
}
sc->sc_ah = ah;
- /* Initializes the noise floor to a reasonable default value.
- * Later on this will be updated during ANI processing. */
- sc->sc_ani.sc_noise_floor = ATH_DEFAULT_NOISE_FLOOR;
-
/* Get the hardware key cache size. */
sc->sc_keymax = ah->ah_caps.keycache_size;
if (sc->sc_keymax > ATH_KEYMAX) {
set_bit(i + 64, sc->sc_keymap);
set_bit(i + 32 + 64, sc->sc_keymap);
}
- /*
- * Collect the channel list using the default country
- * code and including outdoor channels. The 802.11 layer
- * is resposible for filtering this list based on settings
- * like the phy mode.
- */
+
+ /* Collect the channel list using the default country code */
+
error = ath_setup_channels(sc);
if (error)
goto bad;
- /* default to STA mode */
+ /* default to MONITOR mode */
sc->sc_ah->ah_opmode = ATH9K_M_MONITOR;
/* Setup rate tables */
goto bad2;
}
+ /* Initializes the noise floor to a reasonable default value.
+ * Later on this will be updated during ANI processing. */
+
+ sc->sc_ani.sc_noise_floor = ATH_DEFAULT_NOISE_FLOOR;
setup_timer(&sc->sc_ani.timer, ath_ani_calibrate, (unsigned long)sc);
sc->sc_rc = ath_rate_attach(ah);
ATH_SET_VAP_BSSID_MASK(sc->sc_bssidmask);
ath9k_hw_setbssidmask(ah, sc->sc_bssidmask);
}
+
sc->sc_slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
/* initialize beacon slots */
ath_slow_ant_div_init(&sc->sc_antdiv, sc, 0x127);
#endif
+ /* setup channels and rates */
+
+ sc->sbands[IEEE80211_BAND_2GHZ].channels =
+ sc->channels[IEEE80211_BAND_2GHZ];
+ sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
+ sc->rates[IEEE80211_BAND_2GHZ];
+ sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
+ sc->sbands[IEEE80211_BAND_5GHZ].channels =
+ sc->channels[IEEE80211_BAND_5GHZ];
+ sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+ sc->rates[IEEE80211_BAND_5GHZ];
+ sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
+ }
+
return 0;
bad2:
/* cleanup tx queues */
bad:
if (ah)
ath9k_hw_detach(ah);
- return error;
-}
-
-void ath_deinit(struct ath_softc *sc)
-{
- struct ath_hal *ah = sc->sc_ah;
- int i;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s\n", __func__);
-
- tasklet_kill(&sc->intr_tq);
- tasklet_kill(&sc->bcon_tasklet);
- ath_stop(sc);
- if (!(sc->sc_flags & SC_OP_INVALID))
- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
- ath_rate_detach(sc->sc_rc);
- /* cleanup tx queues */
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
- if (ATH_TXQ_SETUP(sc, i))
- ath_tx_cleanupq(sc, &sc->sc_txq[i]);
- ath9k_hw_detach(ah);
+ return error;
}
/*******************/
}
#ifdef CONFIG_RFKILL
+
/*******************/
/* Rfkill */
/*******************/
sc->rf_kill.rfkill = NULL;
}
}
+
+static int ath_start_rfkill_poll(struct ath_softc *sc)
+{
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ queue_delayed_work(sc->hw->workqueue,
+ &sc->rf_kill.rfkill_poll, 0);
+
+ if (!(sc->sc_flags & SC_OP_RFKILL_REGISTERED)) {
+ if (rfkill_register(sc->rf_kill.rfkill)) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Unable to register rfkill\n");
+ rfkill_free(sc->rf_kill.rfkill);
+
+ /* Deinitialize the device */
+ if (sc->pdev->irq)
+ free_irq(sc->pdev->irq, sc);
+ ath_detach(sc);
+ pci_iounmap(sc->pdev, sc->mem);
+ pci_release_region(sc->pdev, 0);
+ pci_disable_device(sc->pdev);
+ ieee80211_free_hw(hw);
+ return -EIO;
+ } else {
+ sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
+ }
+ }
+
+ return 0;
+}
#endif /* CONFIG_RFKILL */
-static int ath_detach(struct ath_softc *sc)
+static void ath_detach(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
+ int i = 0;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
- /* Deinit LED control */
+ ieee80211_unregister_hw(hw);
+
ath_deinit_leds(sc);
#ifdef CONFIG_RFKILL
- /* deinit rfkill */
ath_deinit_rfkill(sc);
#endif
-
- /* Unregister hw */
-
- ieee80211_unregister_hw(hw);
-
- /* unregister Rate control */
ath_rate_control_unregister();
-
- /* tx/rx cleanup */
+ ath_rate_detach(sc->sc_rc);
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
- /* Deinit */
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
- ath_deinit(sc);
+ if (!(sc->sc_flags & SC_OP_INVALID))
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
- return 0;
+ /* cleanup tx queues */
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+ if (ATH_TXQ_SETUP(sc, i))
+ ath_tx_cleanupq(sc, &sc->sc_txq[i]);
+
+ ath9k_hw_detach(sc->sc_ah);
}
-static int ath_attach(u16 devid,
- struct ath_softc *sc)
+static int ath_attach(u16 devid, struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0;
SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
- /* setup channels and rates */
-
- sc->sbands[IEEE80211_BAND_2GHZ].channels =
- sc->channels[IEEE80211_BAND_2GHZ];
- sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
- sc->rates[IEEE80211_BAND_2GHZ];
- sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
-
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
- /* Setup HT capabilities for 2.4Ghz*/
- setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
- &sc->sbands[IEEE80211_BAND_2GHZ];
-
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
- sc->sbands[IEEE80211_BAND_5GHZ].channels =
- sc->channels[IEEE80211_BAND_5GHZ];
- sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
- sc->rates[IEEE80211_BAND_5GHZ];
- sc->sbands[IEEE80211_BAND_5GHZ].band =
- IEEE80211_BAND_5GHZ;
-
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
- /* Setup HT capabilities for 5Ghz*/
- setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_AMPDU_AGGREGATION;
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &sc->sbands[IEEE80211_BAND_5GHZ];
- }
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
hw->queues = 4;
hw->sta_data_size = sizeof(struct ath_node);
goto bad;
}
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
+ setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
+ setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+ }
+
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &sc->sbands[IEEE80211_BAND_5GHZ];
+
error = ieee80211_register_hw(hw);
if (error != 0) {
ath_rate_control_unregister();
pos = ath_get_channel(sc, curchan);
if (pos == -1) {
DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
- return -EINVAL;
+ error = -EINVAL;
+ goto exit;
}
sc->sc_ah->ah_channels[pos].chanmode =
(curchan->band == IEEE80211_BAND_2GHZ) ? CHANNEL_G : CHANNEL_A;
- /* open ath_dev */
error = ath_open(sc, &sc->sc_ah->ah_channels[pos]);
if (error) {
DPRINTF(sc, ATH_DBG_FATAL,
"%s: Unable to complete ath_open\n", __func__);
- return error;
+ goto exit;
}
#ifdef CONFIG_RFKILL
- /* Start rfkill polling */
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- queue_delayed_work(sc->hw->workqueue,
- &sc->rf_kill.rfkill_poll, 0);
-
- if (!(sc->sc_flags & SC_OP_RFKILL_REGISTERED)) {
- if (rfkill_register(sc->rf_kill.rfkill)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to register rfkill\n");
- rfkill_free(sc->rf_kill.rfkill);
-
- /* Deinitialize the device */
- if (sc->pdev->irq)
- free_irq(sc->pdev->irq, sc);
- ath_detach(sc);
- pci_iounmap(sc->pdev, sc->mem);
- pci_release_region(sc->pdev, 0);
- pci_disable_device(sc->pdev);
- ieee80211_free_hw(hw);
- return -EIO;
- } else {
- sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
- }
- }
+ error = ath_start_rfkill_poll(sc);
#endif
- ieee80211_wake_queues(hw);
- return 0;
+exit:
+ return error;
}
static int ath9k_tx(struct ieee80211_hw *hw,
static void ath9k_stop(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
- int error;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
-
- error = ath_suspend(sc);
- if (error)
- DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: Device is no longer present\n", __func__);
+ if (sc->sc_flags & SC_OP_INVALID) {
+ DPRINTF(sc, ATH_DBG_ANY, "%s: Device not present\n", __func__);
+ return;
+ }
- ieee80211_stop_queues(hw);
+ ath_stop(sc);
-#ifdef CONFIG_RFKILL
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
-#endif
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
goto bad2;
}
- hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM |
- IEEE80211_HW_AMPDU_AGGREGATION;
-
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
-
SET_IEEE80211_DEV(hw, &pdev->dev);
pci_set_drvdata(pdev, hw);
{
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct ath_softc *sc = hw->priv;
- enum ath9k_int status;
- if (pdev->irq) {
- ath9k_hw_set_interrupts(sc->sc_ah, 0);
- /* clear the ISR */
- ath9k_hw_getisr(sc->sc_ah, &status);
- sc->sc_flags |= SC_OP_INVALID;
- free_irq(pdev->irq, sc);
- }
ath_detach(sc);
-
+ if (pdev->irq)
+ free_irq(pdev->irq, sc);
pci_iounmap(pdev, sc->mem);
pci_release_region(pdev, 0);
pci_disable_device(pdev);
projects / linux-2.6-omap-h63xx.git / commitdiff