MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
MODULE_LICENSE("Dual BSD/GPL");
-static struct pci_device_id ath_pci_id_table[] __devinitdata = {
- { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
- { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
- { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
- { 0 }
-};
-
-static void ath_detach(struct ath_softc *sc);
-
-/* return bus cachesize in 4B word units */
-
-static void bus_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_cache_conf_rate(struct ath_softc *sc,
+ struct ieee80211_conf *conf)
{
- u8 u8tmp;
-
- pci_read_config_byte(sc->pdev, PCI_CACHE_LINE_SIZE, (u8 *)&u8tmp);
- *csz = (int)u8tmp;
-
- /*
- * This check was put in to avoid "unplesant" consequences if
- * the bootrom has not fully initialized all PCI devices.
- * Sometimes the cache line size register is not set
- */
-
- if (*csz == 0)
- *csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
-}
-
-static void ath_setcurmode(struct ath_softc *sc, enum wireless_mode mode)
-{
- sc->cur_rate_table = sc->hw_rate_table[mode];
- /*
- * All protection frames are transmited at 2Mb/s for
- * 11g, otherwise at 1Mb/s.
- * XXX select protection rate index from rate table.
- */
- sc->sc_protrix = (mode == ATH9K_MODE_11G ? 1 : 0);
-}
-
-static enum wireless_mode ath_chan2mode(struct ath9k_channel *chan)
-{
- if (chan->chanmode == CHANNEL_A)
- return ATH9K_MODE_11A;
- else if (chan->chanmode == CHANNEL_G)
- return ATH9K_MODE_11G;
- else if (chan->chanmode == CHANNEL_B)
- return ATH9K_MODE_11B;
- else if (chan->chanmode == CHANNEL_A_HT20)
- return ATH9K_MODE_11NA_HT20;
- else if (chan->chanmode == CHANNEL_G_HT20)
- return ATH9K_MODE_11NG_HT20;
- else if (chan->chanmode == CHANNEL_A_HT40PLUS)
- return ATH9K_MODE_11NA_HT40PLUS;
- else if (chan->chanmode == CHANNEL_A_HT40MINUS)
- return ATH9K_MODE_11NA_HT40MINUS;
- else if (chan->chanmode == CHANNEL_G_HT40PLUS)
- return ATH9K_MODE_11NG_HT40PLUS;
- else if (chan->chanmode == CHANNEL_G_HT40MINUS)
- return ATH9K_MODE_11NG_HT40MINUS;
-
- WARN_ON(1); /* should not get here */
-
- return ATH9K_MODE_11B;
+ switch (conf->channel->band) {
+ case IEEE80211_BAND_2GHZ:
+ if (conf_is_ht20(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
+ else if (conf_is_ht40_minus(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS];
+ else if (conf_is_ht40_plus(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS];
+ else
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11G];
+ break;
+ case IEEE80211_BAND_5GHZ:
+ if (conf_is_ht20(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
+ else if (conf_is_ht40_minus(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS];
+ else if (conf_is_ht40_plus(conf))
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS];
+ else
+ sc->cur_rate_table =
+ sc->hw_rate_table[ATH9K_MODE_11A];
+ break;
+ default:
+ BUG_ON(1);
+ break;
+ }
}
static void ath_update_txpow(struct ath_softc *sc)
chan_2ghz[a].band = IEEE80211_BAND_2GHZ;
chan_2ghz[a].center_freq = c->channel;
chan_2ghz[a].max_power = c->maxTxPower;
+ c->chan = &chan_2ghz[a];
if (c->privFlags & CHANNEL_DISALLOW_ADHOC)
chan_2ghz[a].flags |= IEEE80211_CHAN_NO_IBSS;
chan_5ghz[b].band = IEEE80211_BAND_5GHZ;
chan_5ghz[b].center_freq = c->channel;
chan_5ghz[b].max_power = c->maxTxPower;
+ c->chan = &chan_5ghz[a];
if (c->privFlags & CHANNEL_DISALLOW_ADHOC)
chan_5ghz[b].flags |= IEEE80211_CHAN_NO_IBSS;
{
struct ath_hal *ah = sc->sc_ah;
bool fastcc = true, stopped;
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_channel *channel = hw->conf.channel;
+ int r;
if (sc->sc_flags & SC_OP_INVALID)
return -EIO;
- if (hchan->channel != sc->sc_ah->ah_curchan->channel ||
- hchan->channelFlags != sc->sc_ah->ah_curchan->channelFlags ||
- (sc->sc_flags & SC_OP_CHAINMASK_UPDATE) ||
- (sc->sc_flags & SC_OP_FULL_RESET)) {
- int status;
- /*
- * This is only performed if the channel settings have
- * actually changed.
- *
- * To switch channels clear any pending DMA operations;
- * wait long enough for the RX fifo to drain, reset the
- * hardware at the new frequency, and then re-enable
- * the relevant bits of the h/w.
- */
- ath9k_hw_set_interrupts(ah, 0);
- ath_draintxq(sc, false);
- stopped = ath_stoprecv(sc);
-
- /* XXX: do not flush receive queue here. We don't want
- * to flush data frames already in queue because of
- * changing channel. */
-
- if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
- fastcc = false;
-
- DPRINTF(sc, ATH_DBG_CONFIG,
- "(%u MHz) -> (%u MHz), cflags:%x, chanwidth: %d\n",
- sc->sc_ah->ah_curchan->channel,
- hchan->channel, hchan->channelFlags, sc->tx_chan_width);
-
- spin_lock_bh(&sc->sc_resetlock);
- if (!ath9k_hw_reset(ah, hchan, sc->tx_chan_width,
- sc->sc_tx_chainmask, sc->sc_rx_chainmask,
- sc->sc_ht_extprotspacing, fastcc, &status)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) "
- "flags 0x%x hal status %u\n",
- ath9k_hw_mhz2ieee(ah, hchan->channel,
- hchan->channelFlags),
- hchan->channel, hchan->channelFlags, status);
- spin_unlock_bh(&sc->sc_resetlock);
- return -EIO;
- }
- spin_unlock_bh(&sc->sc_resetlock);
+ ath9k_ps_wakeup(sc);
- sc->sc_flags &= ~SC_OP_CHAINMASK_UPDATE;
- sc->sc_flags &= ~SC_OP_FULL_RESET;
+ /*
+ * This is only performed if the channel settings have
+ * actually changed.
+ *
+ * To switch channels clear any pending DMA operations;
+ * wait long enough for the RX fifo to drain, reset the
+ * hardware at the new frequency, and then re-enable
+ * the relevant bits of the h/w.
+ */
+ ath9k_hw_set_interrupts(ah, 0);
+ ath_drain_all_txq(sc, false);
+ stopped = ath_stoprecv(sc);
- if (ath_startrecv(sc) != 0) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to restart recv logic\n");
- return -EIO;
- }
+ /* XXX: do not flush receive queue here. We don't want
+ * to flush data frames already in queue because of
+ * changing channel. */
+
+ if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
+ fastcc = false;
+
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "(%u MHz) -> (%u MHz), chanwidth: %d\n",
+ sc->sc_ah->ah_curchan->channel,
+ channel->center_freq, sc->tx_chan_width);
+
+ spin_lock_bh(&sc->sc_resetlock);
+
+ r = ath9k_hw_reset(ah, hchan, fastcc);
+ if (r) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Unable to reset channel (%u Mhz) "
+ "reset status %u\n",
+ channel->center_freq, r);
+ spin_unlock_bh(&sc->sc_resetlock);
+ return r;
+ }
+ spin_unlock_bh(&sc->sc_resetlock);
- ath_setcurmode(sc, ath_chan2mode(hchan));
- ath_update_txpow(sc);
- ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ sc->sc_flags &= ~SC_OP_CHAINMASK_UPDATE;
+ sc->sc_flags &= ~SC_OP_FULL_RESET;
+
+ if (ath_startrecv(sc) != 0) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Unable to restart recv logic\n");
+ return -EIO;
}
+
+ ath_cache_conf_rate(sc, &hw->conf);
+ ath_update_txpow(sc);
+ ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ ath9k_ps_restore(sc);
return 0;
}
} else {
if ((timestamp - sc->sc_ani.sc_resetcal_timer) >=
ATH_RESTART_CALINTERVAL) {
- ath9k_hw_reset_calvalid(ah, ah->ah_curchan,
- &sc->sc_ani.sc_caldone);
+ sc->sc_ani.sc_caldone = ath9k_hw_reset_calvalid(ah);
if (sc->sc_ani.sc_caldone)
sc->sc_ani.sc_resetcal_timer = timestamp;
}
/*
* Update tx/rx chainmask. For legacy association,
* hard code chainmask to 1x1, for 11n association, use
- * the chainmask configuration.
+ * the chainmask configuration, for bt coexistence, use
+ * the chainmask configuration even in legacy mode.
*/
static void ath_update_chainmask(struct ath_softc *sc, int is_ht)
{
sc->sc_flags |= SC_OP_CHAINMASK_UPDATE;
- if (is_ht) {
+ if (is_ht ||
+ (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_BT_COEX)) {
sc->sc_tx_chainmask = sc->sc_ah->ah_caps.tx_chainmask;
sc->sc_rx_chainmask = sc->sc_ah->ah_caps.rx_chainmask;
} else {
ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask);
}
-static irqreturn_t ath_isr(int irq, void *dev)
+irqreturn_t ath_isr(int irq, void *dev)
{
struct ath_softc *sc = dev;
struct ath_hal *ah = sc->sc_ah;
ATH9K_HW_CAP_AUTOSLEEP)) {
/* Clear RxAbort bit so that we can
* receive frames */
+ ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
ath9k_hw_setrxabort(ah, 0);
sched = true;
+ sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
}
}
}
}
static int ath_key_config(struct ath_softc *sc,
- const u8 *addr,
+ struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct ath9k_keyval hk;
hk.kv_type = ATH9K_CIPHER_AES_CCM;
break;
default:
- return -EINVAL;
+ return -EOPNOTSUPP;
}
hk.kv_len = key->keylen;
} else if (key->keyidx) {
struct ieee80211_vif *vif;
- mac = addr;
+ if (WARN_ON(!sta))
+ return -EOPNOTSUPP;
+ mac = sta->addr;
+
vif = sc->sc_vaps[0];
if (vif->type != NL80211_IFTYPE_AP) {
/* Only keyidx 0 should be used with unicast key, but
} else
return -EIO;
} else {
- mac = addr;
+ if (WARN_ON(!sta))
+ return -EOPNOTSUPP;
+ mac = sta->addr;
+
if (key->alg == ALG_TKIP)
idx = ath_reserve_key_cache_slot_tkip(sc);
else
idx = ath_reserve_key_cache_slot(sc);
if (idx < 0)
- return -EIO; /* no free key cache entries */
+ return -ENOSPC; /* no free key cache entries */
}
if (key->alg == ALG_TKIP)
static void ath_radio_enable(struct ath_softc *sc)
{
struct ath_hal *ah = sc->sc_ah;
- int status;
+ struct ieee80211_channel *channel = sc->hw->conf.channel;
+ int r;
+ ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_resetlock);
- if (!ath9k_hw_reset(ah, ah->ah_curchan,
- sc->tx_chan_width,
- sc->sc_tx_chainmask,
- sc->sc_rx_chainmask,
- sc->sc_ht_extprotspacing,
- false, &status)) {
+
+ r = ath9k_hw_reset(ah, ah->ah_curchan, false);
+
+ if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) "
- "flags 0x%x hal status %u\n",
- ath9k_hw_mhz2ieee(ah,
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags),
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags, status);
+ "Unable to reset channel %u (%uMhz) ",
+ "reset status %u\n",
+ channel->center_freq, r);
}
spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_set_gpio(ah, ATH_LED_PIN, 0);
ieee80211_wake_queues(sc->hw);
+ ath9k_ps_restore(sc);
}
static void ath_radio_disable(struct ath_softc *sc)
{
struct ath_hal *ah = sc->sc_ah;
- int status;
-
+ struct ieee80211_channel *channel = sc->hw->conf.channel;
+ int r;
+ ath9k_ps_wakeup(sc);
ieee80211_stop_queues(sc->hw);
/* Disable LED */
/* Disable interrupts */
ath9k_hw_set_interrupts(ah, 0);
- ath_draintxq(sc, false); /* clear pending tx frames */
+ ath_drain_all_txq(sc, false); /* clear pending tx frames */
ath_stoprecv(sc); /* turn off frame recv */
ath_flushrecv(sc); /* flush recv queue */
spin_lock_bh(&sc->sc_resetlock);
- if (!ath9k_hw_reset(ah, ah->ah_curchan,
- sc->tx_chan_width,
- sc->sc_tx_chainmask,
- sc->sc_rx_chainmask,
- sc->sc_ht_extprotspacing,
- false, &status)) {
+ r = ath9k_hw_reset(ah, ah->ah_curchan, false);
+ if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to reset channel %u (%uMhz) "
- "flags 0x%x hal status %u\n",
- ath9k_hw_mhz2ieee(ah,
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags),
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags, status);
+ "reset status %u\n",
+ channel->center_freq, r);
}
spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_phy_disable(ah);
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+ ath9k_ps_restore(sc);
}
static bool ath_is_rfkill_set(struct ath_softc *sc)
rfkill_free(sc->rf_kill.rfkill);
/* Deinitialize the device */
- ath_detach(sc);
- if (sc->pdev->irq)
- free_irq(sc->pdev->irq, sc);
- pci_iounmap(sc->pdev, sc->mem);
- pci_release_region(sc->pdev, 0);
- pci_disable_device(sc->pdev);
- ieee80211_free_hw(sc->hw);
+ ath_cleanup(sc);
return -EIO;
} else {
sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
}
#endif /* CONFIG_RFKILL */
-static void ath_detach(struct ath_softc *sc)
+void ath_cleanup(struct ath_softc *sc)
+{
+ ath_detach(sc);
+ free_irq(sc->irq, sc);
+ ath_bus_cleanup(sc);
+ ieee80211_free_hw(sc->hw);
+}
+
+void ath_detach(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
int i = 0;
+ ath9k_ps_wakeup(sc);
+
DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
ath9k_hw_detach(sc->sc_ah);
ath9k_exit_debug(sc);
+ ath9k_ps_restore(sc);
}
static int ath_init(u16 devid, struct ath_softc *sc)
* Cache line size is used to size and align various
* structures used to communicate with the hardware.
*/
- bus_read_cachesize(sc, &csz);
+ ath_read_cachesize(sc, &csz);
/* XXX assert csz is non-zero */
sc->sc_cachelsz = csz << 2; /* convert to bytes */
ah = ath9k_hw_attach(devid, sc, sc->mem, &status);
if (ah == NULL) {
DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to attach hardware; HAL status %u\n", status);
+ "Unable to attach hardware; HAL status %d\n", status);
error = -ENXIO;
goto bad;
}
sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
}
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_BT_COEX)
+ ath9k_hw_btcoex_enable(sc->sc_ah);
+
return 0;
bad2:
/* cleanup tx queues */
return error;
}
-static int ath_attach(u16 devid, struct ath_softc *sc)
+int ath_attach(u16 devid, struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0;
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_AMPDU_AGGREGATION;
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK;
+
+ if (AR_SREV_9160_10_OR_LATER(sc->sc_ah))
+ hw->flags |= IEEE80211_HW_MFP_CAPABLE;
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
int ath_reset(struct ath_softc *sc, bool retry_tx)
{
struct ath_hal *ah = sc->sc_ah;
- int status;
- int error = 0;
+ struct ieee80211_hw *hw = sc->hw;
+ int r;
ath9k_hw_set_interrupts(ah, 0);
- ath_draintxq(sc, retry_tx);
+ ath_drain_all_txq(sc, retry_tx);
ath_stoprecv(sc);
ath_flushrecv(sc);
spin_lock_bh(&sc->sc_resetlock);
- if (!ath9k_hw_reset(ah, sc->sc_ah->ah_curchan,
- sc->tx_chan_width,
- sc->sc_tx_chainmask, sc->sc_rx_chainmask,
- sc->sc_ht_extprotspacing, false, &status)) {
+ r = ath9k_hw_reset(ah, sc->sc_ah->ah_curchan, false);
+ if (r)
DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset hardware; hal status %u\n", status);
- error = -EIO;
- }
+ "Unable to reset hardware; reset status %u\n", r);
spin_unlock_bh(&sc->sc_resetlock);
if (ath_startrecv(sc) != 0)
* that changes the channel so update any state that
* might change as a result.
*/
- ath_setcurmode(sc, ath_chan2mode(sc->sc_ah->ah_curchan));
+ ath_cache_conf_rate(sc, &hw->conf);
ath_update_txpow(sc);
}
}
- return error;
+ return r;
}
/*
}
/* allocate descriptors */
- dd->dd_desc = pci_alloc_consistent(sc->pdev,
- dd->dd_desc_len,
- &dd->dd_desc_paddr);
+ dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
+ &dd->dd_desc_paddr, GFP_ATOMIC);
if (dd->dd_desc == NULL) {
error = -ENOMEM;
goto fail;
}
return 0;
fail2:
- pci_free_consistent(sc->pdev,
- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
+ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+ dd->dd_desc_paddr);
fail:
memset(dd, 0, sizeof(*dd));
return error;
struct ath_descdma *dd,
struct list_head *head)
{
- pci_free_consistent(sc->pdev,
- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
+ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+ dd->dd_desc_paddr);
INIT_LIST_HEAD(head);
kfree(dd->dd_bufptr);
struct ath_softc *sc = hw->priv;
struct ieee80211_channel *curchan = hw->conf.channel;
struct ath9k_channel *init_channel;
- int error = 0, pos, status;
+ int r, pos;
DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "
"initial channel: %d MHz\n", curchan->center_freq);
pos = ath_get_channel(sc, curchan);
if (pos == -1) {
DPRINTF(sc, ATH_DBG_FATAL, "Invalid channel: %d\n", curchan->center_freq);
- error = -EINVAL;
- goto error;
+ return -EINVAL;
}
sc->tx_chan_width = ATH9K_HT_MACMODE_20;
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_resetlock);
- if (!ath9k_hw_reset(sc->sc_ah, init_channel,
- sc->tx_chan_width,
- sc->sc_tx_chainmask, sc->sc_rx_chainmask,
- sc->sc_ht_extprotspacing, false, &status)) {
+ r = ath9k_hw_reset(sc->sc_ah, init_channel, false);
+ if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset hardware; hal status %u "
- "(freq %u flags 0x%x)\n", status,
- init_channel->channel, init_channel->channelFlags);
- error = -EIO;
+ "Unable to reset hardware; reset status %u "
+ "(freq %u MHz)\n", r,
+ curchan->center_freq);
spin_unlock_bh(&sc->sc_resetlock);
- goto error;
+ return r;
}
spin_unlock_bh(&sc->sc_resetlock);
if (ath_startrecv(sc) != 0) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to start recv logic\n");
- error = -EIO;
- goto error;
+ return -EIO;
}
/* Setup our intr mask. */
!sc->sc_config.swBeaconProcess)
sc->sc_imask |= ATH9K_INT_TIM;
- ath_setcurmode(sc, ath_chan2mode(init_channel));
+ ath_cache_conf_rate(sc, &hw->conf);
sc->sc_flags &= ~SC_OP_INVALID;
ieee80211_wake_queues(sc->hw);
#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- error = ath_start_rfkill_poll(sc);
+ r = ath_start_rfkill_poll(sc);
#endif
-
-error:
- return error;
+ return r;
}
static int ath9k_tx(struct ieee80211_hw *hw,
ath9k_hw_set_interrupts(sc->sc_ah, 0);
if (!(sc->sc_flags & SC_OP_INVALID)) {
- ath_draintxq(sc, false);
+ ath_drain_all_txq(sc, false);
ath_stoprecv(sc);
ath9k_hw_phy_disable(sc->sc_ah);
} else
struct ieee80211_conf *conf = &hw->conf;
mutex_lock(&sc->mutex);
- if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
- IEEE80211_CONF_CHANGE_HT)) {
+ if (changed & IEEE80211_CONF_CHANGE_PS) {
+ if (conf->flags & IEEE80211_CONF_PS) {
+ if ((sc->sc_imask & ATH9K_INT_TIM_TIMER) == 0) {
+ sc->sc_imask |= ATH9K_INT_TIM_TIMER;
+ ath9k_hw_set_interrupts(sc->sc_ah,
+ sc->sc_imask);
+ }
+ ath9k_hw_setrxabort(sc->sc_ah, 1);
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+ } else {
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+ ath9k_hw_setrxabort(sc->sc_ah, 0);
+ sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
+ if (sc->sc_imask & ATH9K_INT_TIM_TIMER) {
+ sc->sc_imask &= ~ATH9K_INT_TIM_TIMER;
+ ath9k_hw_set_interrupts(sc->sc_ah,
+ sc->sc_imask);
+ }
+ }
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
struct ieee80211_channel *curchan = hw->conf.channel;
int pos;
(curchan->band == IEEE80211_BAND_2GHZ) ?
CHANNEL_G : CHANNEL_A;
- if (conf->ht.enabled) {
- if (conf->ht.channel_type == NL80211_CHAN_HT40PLUS ||
- conf->ht.channel_type == NL80211_CHAN_HT40MINUS)
+ if (conf_is_ht(conf)) {
+ if (conf_is_ht40(conf))
sc->tx_chan_width = ATH9K_HT_MACMODE_2040;
sc->sc_ah->ah_channels[pos].chanmode =
ath_get_extchanmode(sc, curchan,
- conf->ht.channel_type);
+ conf->channel_type);
}
- ath_update_chainmask(sc, conf->ht.enabled);
+ ath_update_chainmask(sc, conf_is_ht(conf));
if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) {
DPRINTF(sc, ATH_DBG_FATAL, "Unable to set channel\n");
static int ath9k_set_key(struct ieee80211_hw *hw,
enum set_key_cmd cmd,
- const u8 *local_addr,
- const u8 *addr,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct ath_softc *sc = hw->priv;
int ret = 0;
+ ath9k_ps_wakeup(sc);
DPRINTF(sc, ATH_DBG_KEYCACHE, "Set HW Key\n");
switch (cmd) {
case SET_KEY:
- ret = ath_key_config(sc, addr, key);
+ ret = ath_key_config(sc, sta, key);
if (ret >= 0) {
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)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ if (sc->sc_ah->sw_mgmt_crypto && key->alg == ALG_CCMP)
+ key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
ret = 0;
}
break;
ret = -EINVAL;
}
+ ath9k_ps_restore(sc);
return ret;
}
return ret;
}
-static struct ieee80211_ops ath9k_ops = {
+struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
.stop = ath9k_stop,
/*
* Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
*/
-static const char *
+const char *
ath_mac_bb_name(u32 mac_bb_version)
{
int i;
/*
* Return the RF name. "????" is returned if the RF is unknown.
*/
-static const char *
+const char *
ath_rf_name(u16 rf_version)
{
int i;
return "????";
}
-static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
- void __iomem *mem;
- struct ath_softc *sc;
- struct ieee80211_hw *hw;
- u8 csz;
- u32 val;
- int ret = 0;
- struct ath_hal *ah;
-
- if (pci_enable_device(pdev))
- return -EIO;
-
- ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
-
- if (ret) {
- printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
- goto bad;
- }
-
- ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
-
- if (ret) {
- printk(KERN_ERR "ath9k: 32-bit DMA consistent "
- "DMA enable failed\n");
- goto bad;
- }
-
- /*
- * Cache line size is used to size and align various
- * structures used to communicate with the hardware.
- */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
- if (csz == 0) {
- /*
- * Linux 2.4.18 (at least) writes the cache line size
- * register as a 16-bit wide register which is wrong.
- * We must have this setup properly for rx buffer
- * DMA to work so force a reasonable value here if it
- * comes up zero.
- */
- csz = L1_CACHE_BYTES / sizeof(u32);
- pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
- }
- /*
- * The default setting of latency timer yields poor results,
- * set it to the value used by other systems. It may be worth
- * tweaking this setting more.
- */
- pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
-
- pci_set_master(pdev);
-
- /*
- * Disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state.
- */
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- ret = pci_request_region(pdev, 0, "ath9k");
- if (ret) {
- dev_err(&pdev->dev, "PCI memory region reserve error\n");
- ret = -ENODEV;
- goto bad;
- }
-
- mem = pci_iomap(pdev, 0, 0);
- if (!mem) {
- printk(KERN_ERR "PCI memory map error\n") ;
- ret = -EIO;
- goto bad1;
- }
-
- hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
- if (hw == NULL) {
- printk(KERN_ERR "ath_pci: no memory for ieee80211_hw\n");
- goto bad2;
- }
-
- SET_IEEE80211_DEV(hw, &pdev->dev);
- pci_set_drvdata(pdev, hw);
-
- sc = hw->priv;
- sc->hw = hw;
- sc->pdev = pdev;
- sc->mem = mem;
-
- if (ath_attach(id->device, sc) != 0) {
- ret = -ENODEV;
- goto bad3;
- }
-
- /* setup interrupt service routine */
-
- if (request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath", sc)) {
- printk(KERN_ERR "%s: request_irq failed\n",
- wiphy_name(hw->wiphy));
- ret = -EIO;
- goto bad4;
- }
-
- ah = sc->sc_ah;
- printk(KERN_INFO
- "%s: Atheros AR%s MAC/BB Rev:%x "
- "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
- wiphy_name(hw->wiphy),
- ath_mac_bb_name(ah->ah_macVersion),
- ah->ah_macRev,
- ath_rf_name((ah->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR)),
- ah->ah_phyRev,
- (unsigned long)mem, pdev->irq);
-
- return 0;
-bad4:
- ath_detach(sc);
-bad3:
- ieee80211_free_hw(hw);
-bad2:
- pci_iounmap(pdev, mem);
-bad1:
- pci_release_region(pdev, 0);
-bad:
- pci_disable_device(pdev);
- return ret;
-}
-
-static void ath_pci_remove(struct pci_dev *pdev)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_softc *sc = hw->priv;
-
- 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);
- ieee80211_free_hw(hw);
-}
-
-#ifdef CONFIG_PM
-
-static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_softc *sc = hw->priv;
-
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
-
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
-#endif
-
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, 3);
-
- return 0;
-}
-
-static int ath_pci_resume(struct pci_dev *pdev)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_softc *sc = hw->priv;
- u32 val;
- int err;
-
- err = pci_enable_device(pdev);
- if (err)
- return err;
- pci_restore_state(pdev);
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state
- */
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- /* Enable LED */
- ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
-
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- /*
- * check the h/w rfkill state on resume
- * and start the rfkill poll timer
- */
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- queue_delayed_work(sc->hw->workqueue,
- &sc->rf_kill.rfkill_poll, 0);
-#endif
-
- return 0;
-}
-
-#endif /* CONFIG_PM */
-
-MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
-
-static struct pci_driver ath_pci_driver = {
- .name = "ath9k",
- .id_table = ath_pci_id_table,
- .probe = ath_pci_probe,
- .remove = ath_pci_remove,
-#ifdef CONFIG_PM
- .suspend = ath_pci_suspend,
- .resume = ath_pci_resume,
-#endif /* CONFIG_PM */
-};
-
-static int __init init_ath_pci(void)
+static int __init ath9k_init(void)
{
int error;
printk(KERN_ERR
"Unable to register rate control algorithm: %d\n",
error);
- ath_rate_control_unregister();
- return error;
+ goto err_out;
}
- if (pci_register_driver(&ath_pci_driver) < 0) {
+ error = ath_pci_init();
+ if (error < 0) {
printk(KERN_ERR
"ath_pci: No devices found, driver not installed.\n");
- ath_rate_control_unregister();
- pci_unregister_driver(&ath_pci_driver);
- return -ENODEV;
+ error = -ENODEV;
+ goto err_rate_unregister;
+ }
+
+ error = ath_ahb_init();
+ if (error < 0) {
+ error = -ENODEV;
+ goto err_pci_exit;
}
return 0;
+
+ err_pci_exit:
+ ath_pci_exit();
+
+ err_rate_unregister:
+ ath_rate_control_unregister();
+ err_out:
+ return error;
}
-module_init(init_ath_pci);
+module_init(ath9k_init);
-static void __exit exit_ath_pci(void)
+static void __exit ath9k_exit(void)
{
+ ath_ahb_exit();
+ ath_pci_exit();
ath_rate_control_unregister();
- pci_unregister_driver(&ath_pci_driver);
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
}
-module_exit(exit_ath_pci);
+module_exit(ath9k_exit);