*/
#include <linux/nl80211.h>
-#include "core.h"
-#include "reg.h"
-#include "hw.h"
+#include "ath9k.h"
#define ATH_PCI_VERSION "0.1"
MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
MODULE_LICENSE("Dual BSD/GPL");
+static int modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
+
/* We use the hw_value as an index into our private channel structure */
#define CHAN2G(_freq, _idx) { \
static void ath_update_txpow(struct ath_softc *sc)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
u32 txpow;
- if (sc->sc_curtxpow != sc->sc_config.txpowlimit) {
- ath9k_hw_set_txpowerlimit(ah, sc->sc_config.txpowlimit);
+ if (sc->curtxpow != sc->config.txpowlimit) {
+ ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit);
/* read back in case value is clamped */
ath9k_hw_getcapability(ah, ATH9K_CAP_TXPOW, 1, &txpow);
- sc->sc_curtxpow = txpow;
+ sc->curtxpow = txpow;
}
}
* by reseting the chip. To accomplish this we must first cleanup any pending
* DMA, then restart stuff.
*/
-static int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan)
+int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
+ struct ath9k_channel *hchan)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
bool fastcc = true, stopped;
- struct ieee80211_hw *hw = sc->hw;
struct ieee80211_channel *channel = hw->conf.channel;
int r;
DPRINTF(sc, ATH_DBG_CONFIG,
"(%u MHz) -> (%u MHz), chanwidth: %d\n",
- sc->sc_ah->ah_curchan->channel,
+ sc->sc_ah->curchan->channel,
channel->center_freq, sc->tx_chan_width);
spin_lock_bh(&sc->sc_resetlock);
ath_cache_conf_rate(sc, &hw->conf);
ath_update_txpow(sc);
- ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ ath9k_hw_set_interrupts(ah, sc->imask);
ath9k_ps_restore(sc);
return 0;
}
*/
static void ath_ani_calibrate(unsigned long data)
{
- struct ath_softc *sc;
- struct ath_hal *ah;
+ struct ath_softc *sc = (struct ath_softc *)data;
+ struct ath_hw *ah = sc->sc_ah;
bool longcal = false;
bool shortcal = false;
bool aniflag = false;
unsigned int timestamp = jiffies_to_msecs(jiffies);
- u32 cal_interval;
+ u32 cal_interval, short_cal_interval;
- sc = (struct ath_softc *)data;
- ah = sc->sc_ah;
+ short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?
+ ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL;
/*
* don't calibrate when we're scanning.
* we are most likely not on our home channel.
*/
- if (sc->rx.rxfilter & FIF_BCN_PRBRESP_PROMISC)
- return;
+ if (sc->sc_flags & SC_OP_SCANNING)
+ goto set_timer;
/* Long calibration runs independently of short calibration. */
- if ((timestamp - sc->sc_ani.sc_longcal_timer) >= ATH_LONG_CALINTERVAL) {
+ if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
longcal = true;
DPRINTF(sc, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
- sc->sc_ani.sc_longcal_timer = timestamp;
+ sc->ani.longcal_timer = timestamp;
}
- /* Short calibration applies only while sc_caldone is false */
- if (!sc->sc_ani.sc_caldone) {
- if ((timestamp - sc->sc_ani.sc_shortcal_timer) >=
- ATH_SHORT_CALINTERVAL) {
+ /* Short calibration applies only while caldone is false */
+ if (!sc->ani.caldone) {
+ if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
shortcal = true;
DPRINTF(sc, ATH_DBG_ANI, "shortcal @%lu\n", jiffies);
- sc->sc_ani.sc_shortcal_timer = timestamp;
- sc->sc_ani.sc_resetcal_timer = timestamp;
+ sc->ani.shortcal_timer = timestamp;
+ sc->ani.resetcal_timer = timestamp;
}
} else {
- if ((timestamp - sc->sc_ani.sc_resetcal_timer) >=
+ if ((timestamp - sc->ani.resetcal_timer) >=
ATH_RESTART_CALINTERVAL) {
- sc->sc_ani.sc_caldone = ath9k_hw_reset_calvalid(ah);
- if (sc->sc_ani.sc_caldone)
- sc->sc_ani.sc_resetcal_timer = timestamp;
+ sc->ani.caldone = ath9k_hw_reset_calvalid(ah);
+ if (sc->ani.caldone)
+ sc->ani.resetcal_timer = timestamp;
}
}
/* Verify whether we must check ANI */
- if ((timestamp - sc->sc_ani.sc_checkani_timer) >=
- ATH_ANI_POLLINTERVAL) {
+ if ((timestamp - sc->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
aniflag = true;
- sc->sc_ani.sc_checkani_timer = timestamp;
+ sc->ani.checkani_timer = timestamp;
}
/* Skip all processing if there's nothing to do. */
if (longcal || shortcal || aniflag) {
/* Call ANI routine if necessary */
if (aniflag)
- ath9k_hw_ani_monitor(ah, &sc->sc_halstats,
- ah->ah_curchan);
+ ath9k_hw_ani_monitor(ah, &sc->nodestats, ah->curchan);
/* Perform calibration if necessary */
if (longcal || shortcal) {
bool iscaldone = false;
- if (ath9k_hw_calibrate(ah, ah->ah_curchan,
- sc->sc_rx_chainmask, longcal,
+ if (ath9k_hw_calibrate(ah, ah->curchan,
+ sc->rx_chainmask, longcal,
&iscaldone)) {
if (longcal)
- sc->sc_ani.sc_noise_floor =
+ sc->ani.noise_floor =
ath9k_hw_getchan_noise(ah,
- ah->ah_curchan);
+ ah->curchan);
DPRINTF(sc, ATH_DBG_ANI,
"calibrate chan %u/%x nf: %d\n",
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags,
- sc->sc_ani.sc_noise_floor);
+ ah->curchan->channel,
+ ah->curchan->channelFlags,
+ sc->ani.noise_floor);
} else {
DPRINTF(sc, ATH_DBG_ANY,
"calibrate chan %u/%x failed\n",
- ah->ah_curchan->channel,
- ah->ah_curchan->channelFlags);
+ ah->curchan->channel,
+ ah->curchan->channelFlags);
}
- sc->sc_ani.sc_caldone = iscaldone;
+ sc->ani.caldone = iscaldone;
}
}
+set_timer:
/*
* Set timer interval based on previous results.
* The interval must be the shortest necessary to satisfy ANI,
* short calibration and long calibration.
*/
cal_interval = ATH_LONG_CALINTERVAL;
- if (sc->sc_ah->ah_config.enable_ani)
+ if (sc->sc_ah->config.enable_ani)
cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
- if (!sc->sc_ani.sc_caldone)
- cal_interval = min(cal_interval, (u32)ATH_SHORT_CALINTERVAL);
+ if (!sc->ani.caldone)
+ cal_interval = min(cal_interval, (u32)short_cal_interval);
- mod_timer(&sc->sc_ani.timer, jiffies + msecs_to_jiffies(cal_interval));
+ mod_timer(&sc->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
}
/*
* 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)
+void ath_update_chainmask(struct ath_softc *sc, int is_ht)
{
sc->sc_flags |= SC_OP_CHAINMASK_UPDATE;
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;
+ (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)) {
+ sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
+ sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
} else {
- sc->sc_tx_chainmask = 1;
- sc->sc_rx_chainmask = 1;
+ sc->tx_chainmask = 1;
+ sc->rx_chainmask = 1;
}
DPRINTF(sc, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
- sc->sc_tx_chainmask, sc->sc_rx_chainmask);
+ sc->tx_chainmask, sc->rx_chainmask);
}
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
static void ath9k_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
- u32 status = sc->sc_intrstatus;
+ u32 status = sc->intrstatus;
if (status & ATH9K_INT_FATAL) {
/* need a chip reset */
}
/* re-enable hardware interrupt */
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
}
irqreturn_t ath_isr(int irq, void *dev)
{
struct ath_softc *sc = dev;
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
enum ath9k_int status;
bool sched = false;
*/
ath9k_hw_getisr(ah, &status); /* NB: clears ISR too */
- status &= sc->sc_imask; /* discard unasked-for bits */
+ status &= sc->imask; /* discard unasked-for bits */
/*
* If there are no status bits set, then this interrupt was not
if (!status)
return IRQ_NONE;
- sc->sc_intrstatus = status;
+ sc->intrstatus = status;
+ ath9k_ps_wakeup(sc);
if (status & ATH9K_INT_FATAL) {
/* need a chip reset */
* it will clear whatever condition caused
* the interrupt.
*/
- ath9k_hw_procmibevent(ah, &sc->sc_halstats);
- ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ ath9k_hw_procmibevent(ah, &sc->nodestats);
+ ath9k_hw_set_interrupts(ah, sc->imask);
}
if (status & ATH9K_INT_TIM_TIMER) {
- if (!(ah->ah_caps.hw_caps &
+ if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
/* Clear RxAbort bit so that we can
* receive frames */
sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
}
}
+ if (status & ATH9K_INT_TSFOOR) {
+ /* FIXME: Handle this interrupt for power save */
+ sched = true;
+ }
}
+ ath9k_ps_restore(sc);
} while (0);
ath_debug_stat_interrupt(sc, status);
if (sched) {
/* turn off every interrupt except SWBA */
- ath9k_hw_set_interrupts(ah, (sc->sc_imask & ATH9K_INT_SWBA));
+ ath9k_hw_set_interrupts(ah, (sc->imask & ATH9K_INT_SWBA));
tasklet_schedule(&sc->intr_tq);
}
return chanmode;
}
-static int ath_keyset(struct ath_softc *sc, u16 keyix,
- struct ath9k_keyval *hk, const u8 mac[ETH_ALEN])
-{
- bool status;
-
- status = ath9k_hw_set_keycache_entry(sc->sc_ah,
- keyix, hk, mac, false);
-
- return status != false;
-}
-
static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
- struct ath9k_keyval *hk,
- const u8 *addr)
+ struct ath9k_keyval *hk, const u8 *addr,
+ bool authenticator)
{
const u8 *key_rxmic;
const u8 *key_txmic;
key_rxmic = key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
if (addr == NULL) {
- /* Group key installation */
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
- return ath_keyset(sc, keyix, hk, addr);
- }
- if (!sc->sc_splitmic) {
/*
- * data key goes at first index,
- * the hal handles the MIC keys at index+64.
+ * Group key installation - only two key cache entries are used
+ * regardless of splitmic capability since group key is only
+ * used either for TX or RX.
*/
+ if (authenticator) {
+ memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
+ memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_mic));
+ } else {
+ memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
+ memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic));
+ }
+ return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, addr);
+ }
+ if (!sc->splitmic) {
+ /* TX and RX keys share the same key cache entry. */
memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic));
- return ath_keyset(sc, keyix, hk, addr);
+ return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, addr);
}
- /*
- * TX key goes at first index, RX key at +32.
- * The hal handles the MIC keys at index+64.
- */
+
+ /* Separate key cache entries for TX and RX */
+
+ /* TX key goes at first index, RX key at +32. */
memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
- if (!ath_keyset(sc, keyix, hk, NULL)) {
- /* Txmic entry failed. No need to proceed further */
+ if (!ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, NULL)) {
+ /* TX MIC entry failed. No need to proceed further */
DPRINTF(sc, ATH_DBG_KEYCACHE,
"Setting TX MIC Key Failed\n");
return 0;
memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
/* XXX delete tx key on failure? */
- return ath_keyset(sc, keyix + 32, hk, addr);
+ return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix + 32, hk, addr);
}
static int ath_reserve_key_cache_slot_tkip(struct ath_softc *sc)
{
int i;
- for (i = IEEE80211_WEP_NKID; i < sc->sc_keymax / 2; i++) {
- if (test_bit(i, sc->sc_keymap) ||
- test_bit(i + 64, sc->sc_keymap))
+ for (i = IEEE80211_WEP_NKID; i < sc->keymax / 2; i++) {
+ if (test_bit(i, sc->keymap) ||
+ test_bit(i + 64, sc->keymap))
continue; /* At least one part of TKIP key allocated */
- if (sc->sc_splitmic &&
- (test_bit(i + 32, sc->sc_keymap) ||
- test_bit(i + 64 + 32, sc->sc_keymap)))
+ if (sc->splitmic &&
+ (test_bit(i + 32, sc->keymap) ||
+ test_bit(i + 64 + 32, sc->keymap)))
continue; /* At least one part of TKIP key allocated */
/* Found a free slot for a TKIP key */
int i;
/* First, try to find slots that would not be available for TKIP. */
- if (sc->sc_splitmic) {
- for (i = IEEE80211_WEP_NKID; i < sc->sc_keymax / 4; i++) {
- if (!test_bit(i, sc->sc_keymap) &&
- (test_bit(i + 32, sc->sc_keymap) ||
- test_bit(i + 64, sc->sc_keymap) ||
- test_bit(i + 64 + 32, sc->sc_keymap)))
+ if (sc->splitmic) {
+ for (i = IEEE80211_WEP_NKID; i < sc->keymax / 4; i++) {
+ if (!test_bit(i, sc->keymap) &&
+ (test_bit(i + 32, sc->keymap) ||
+ test_bit(i + 64, sc->keymap) ||
+ test_bit(i + 64 + 32, sc->keymap)))
return i;
- if (!test_bit(i + 32, sc->sc_keymap) &&
- (test_bit(i, sc->sc_keymap) ||
- test_bit(i + 64, sc->sc_keymap) ||
- test_bit(i + 64 + 32, sc->sc_keymap)))
+ if (!test_bit(i + 32, sc->keymap) &&
+ (test_bit(i, sc->keymap) ||
+ test_bit(i + 64, sc->keymap) ||
+ test_bit(i + 64 + 32, sc->keymap)))
return i + 32;
- if (!test_bit(i + 64, sc->sc_keymap) &&
- (test_bit(i , sc->sc_keymap) ||
- test_bit(i + 32, sc->sc_keymap) ||
- test_bit(i + 64 + 32, sc->sc_keymap)))
+ if (!test_bit(i + 64, sc->keymap) &&
+ (test_bit(i , sc->keymap) ||
+ test_bit(i + 32, sc->keymap) ||
+ test_bit(i + 64 + 32, sc->keymap)))
return i + 64;
- if (!test_bit(i + 64 + 32, sc->sc_keymap) &&
- (test_bit(i, sc->sc_keymap) ||
- test_bit(i + 32, sc->sc_keymap) ||
- test_bit(i + 64, sc->sc_keymap)))
+ if (!test_bit(i + 64 + 32, sc->keymap) &&
+ (test_bit(i, sc->keymap) ||
+ test_bit(i + 32, sc->keymap) ||
+ test_bit(i + 64, sc->keymap)))
return i + 64 + 32;
}
} else {
- for (i = IEEE80211_WEP_NKID; i < sc->sc_keymax / 2; i++) {
- if (!test_bit(i, sc->sc_keymap) &&
- test_bit(i + 64, sc->sc_keymap))
+ for (i = IEEE80211_WEP_NKID; i < sc->keymax / 2; i++) {
+ if (!test_bit(i, sc->keymap) &&
+ test_bit(i + 64, sc->keymap))
return i;
- if (test_bit(i, sc->sc_keymap) &&
- !test_bit(i + 64, sc->sc_keymap))
+ if (test_bit(i, sc->keymap) &&
+ !test_bit(i + 64, sc->keymap))
return i + 64;
}
}
/* No partially used TKIP slots, pick any available slot */
- for (i = IEEE80211_WEP_NKID; i < sc->sc_keymax; i++) {
+ for (i = IEEE80211_WEP_NKID; i < sc->keymax; i++) {
/* Do not allow slots that could be needed for TKIP group keys
* to be used. This limitation could be removed if we know that
* TKIP will not be used. */
if (i >= 64 && i < 64 + IEEE80211_WEP_NKID)
continue;
- if (sc->sc_splitmic) {
+ if (sc->splitmic) {
if (i >= 32 && i < 32 + IEEE80211_WEP_NKID)
continue;
if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID)
continue;
}
- if (!test_bit(i, sc->sc_keymap))
+ if (!test_bit(i, sc->keymap))
return i; /* Found a free slot for a key */
}
}
static int ath_key_config(struct ath_softc *sc,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
* need to change with virtual interfaces. */
idx = key->keyidx;
} else if (key->keyidx) {
- struct ieee80211_vif *vif;
-
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
* allow this for client mode for now. */
}
if (key->alg == ALG_TKIP)
- ret = ath_setkey_tkip(sc, idx, key->key, &hk, mac);
+ ret = ath_setkey_tkip(sc, idx, key->key, &hk, mac,
+ vif->type == NL80211_IFTYPE_AP);
else
- ret = ath_keyset(sc, idx, &hk, mac);
+ ret = ath9k_hw_set_keycache_entry(sc->sc_ah, idx, &hk, mac);
if (!ret)
return -EIO;
- set_bit(idx, sc->sc_keymap);
+ set_bit(idx, sc->keymap);
if (key->alg == ALG_TKIP) {
- set_bit(idx + 64, sc->sc_keymap);
- if (sc->sc_splitmic) {
- set_bit(idx + 32, sc->sc_keymap);
- set_bit(idx + 64 + 32, sc->sc_keymap);
+ set_bit(idx + 64, sc->keymap);
+ if (sc->splitmic) {
+ set_bit(idx + 32, sc->keymap);
+ set_bit(idx + 64 + 32, sc->keymap);
}
}
if (key->hw_key_idx < IEEE80211_WEP_NKID)
return;
- clear_bit(key->hw_key_idx, sc->sc_keymap);
+ clear_bit(key->hw_key_idx, sc->keymap);
if (key->alg != ALG_TKIP)
return;
- clear_bit(key->hw_key_idx + 64, sc->sc_keymap);
- if (sc->sc_splitmic) {
- clear_bit(key->hw_key_idx + 32, sc->sc_keymap);
- clear_bit(key->hw_key_idx + 64 + 32, sc->sc_keymap);
+ clear_bit(key->hw_key_idx + 64, sc->keymap);
+ if (sc->splitmic) {
+ clear_bit(key->hw_key_idx + 32, sc->keymap);
+ clear_bit(key->hw_key_idx + 64 + 32, sc->keymap);
}
}
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- switch(sc->sc_rx_chainmask) {
+ switch(sc->rx_chainmask) {
case 1:
ht_info->mcs.rx_mask[0] = 0xff;
break;
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
- struct ath_vap *avp = (void *)vif->drv_priv;
+ 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->sc_curbssid);
+ bss_conf->aid, sc->curbssid);
/* New association, store aid */
if (avp->av_opmode == NL80211_IFTYPE_STATION) {
- sc->sc_curaid = bss_conf->aid;
- ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
- sc->sc_curaid);
+ sc->curaid = bss_conf->aid;
+ ath9k_hw_write_associd(sc);
}
/* Configure the beacon */
- ath_beacon_config(sc, 0);
- sc->sc_flags |= SC_OP_BEACONS;
+ ath_beacon_config(sc, vif);
/* Reset rssi stats */
- sc->sc_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
+ 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;
/* Start ANI */
- mod_timer(&sc->sc_ani.timer,
- jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
-
+ mod_timer(&sc->ani.timer,
+ jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
} else {
DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISSOC\n");
- sc->sc_curaid = 0;
+ sc->curaid = 0;
}
}
ath_deinit_leds(sc);
}
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-
-/*******************/
-/* Rfkill */
-/*******************/
-
-static void ath_radio_enable(struct ath_softc *sc)
+void ath_radio_enable(struct ath_softc *sc)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
struct ieee80211_channel *channel = sc->hw->conf.channel;
int r;
ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, ah->ah_curchan, false);
+ r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
}
if (sc->sc_flags & SC_OP_BEACONS)
- ath_beacon_config(sc, ATH_IF_ID_ANY); /* restart beacons */
+ ath_beacon_config(sc, NULL); /* restart beacons */
/* Re-Enable interrupts */
- ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ ath9k_hw_set_interrupts(ah, sc->imask);
/* Enable LED */
ath9k_hw_cfg_output(ah, ATH_LED_PIN,
ath9k_ps_restore(sc);
}
-static void ath_radio_disable(struct ath_softc *sc)
+void ath_radio_disable(struct ath_softc *sc)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
struct ieee80211_channel *channel = sc->hw->conf.channel;
int r;
ath_flushrecv(sc); /* flush recv queue */
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, ah->ah_curchan, false);
+ r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to reset channel %u (%uMhz) "
ath9k_ps_restore(sc);
}
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+
+/*******************/
+/* Rfkill */
+/*******************/
+
static bool ath_is_rfkill_set(struct ath_softc *sc)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
- return ath9k_hw_gpio_get(ah, ah->ah_rfkill_gpio) ==
- ah->ah_rfkill_polarity;
+ return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
+ ah->rfkill_polarity;
}
/* h/w rfkill poll function */
/* Deinitialize rfkill */
static void ath_deinit_rfkill(struct ath_softc *sc)
{
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
if (sc->sc_flags & SC_OP_RFKILL_REGISTERED) {
static int ath_start_rfkill_poll(struct ath_softc *sc)
{
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
queue_delayed_work(sc->hw->workqueue,
&sc->rf_kill.rfkill_poll, 0);
ath_detach(sc);
free_irq(sc->irq, sc);
ath_bus_cleanup(sc);
+ kfree(sc->sec_wiphy);
ieee80211_free_hw(sc->hw);
}
ath_deinit_rfkill(sc);
#endif
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];
+ if (aphy == NULL)
+ continue;
+ sc->sec_wiphy[i] = NULL;
+ ieee80211_unregister_hw(aphy->hw);
+ ieee80211_free_hw(aphy->hw);
+ }
ieee80211_unregister_hw(hw);
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
static int ath_init(u16 devid, struct ath_softc *sc)
{
- struct ath_hal *ah = NULL;
+ struct ath_hw *ah = NULL;
int status;
int error = 0, i;
int csz = 0;
if (ath9k_init_debug(sc) < 0)
printk(KERN_ERR "Unable to create debugfs files\n");
+ spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
+ spin_lock_init(&sc->sc_serial_rw);
mutex_init(&sc->mutex);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
- tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet,
+ tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
(unsigned long)sc);
/*
*/
ath_read_cachesize(sc, &csz);
/* XXX assert csz is non-zero */
- sc->sc_cachelsz = csz << 2; /* convert to bytes */
+ sc->cachelsz = csz << 2; /* convert to bytes */
- ah = ath9k_hw_attach(devid, sc, sc->mem, &status);
+ ah = ath9k_hw_attach(devid, sc, &status);
if (ah == NULL) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to attach hardware; HAL status %d\n", status);
sc->sc_ah = ah;
/* Get the hardware key cache size. */
- sc->sc_keymax = ah->ah_caps.keycache_size;
- if (sc->sc_keymax > ATH_KEYMAX) {
+ sc->keymax = ah->caps.keycache_size;
+ if (sc->keymax > ATH_KEYMAX) {
DPRINTF(sc, ATH_DBG_KEYCACHE,
"Warning, using only %u entries in %u key cache\n",
- ATH_KEYMAX, sc->sc_keymax);
- sc->sc_keymax = ATH_KEYMAX;
+ ATH_KEYMAX, sc->keymax);
+ sc->keymax = ATH_KEYMAX;
}
/*
* Reset the key cache since some parts do not
* reset the contents on initial power up.
*/
- for (i = 0; i < sc->sc_keymax; i++)
+ for (i = 0; i < sc->keymax; i++)
ath9k_hw_keyreset(ah, (u16) i);
if (ath9k_regd_init(sc->sc_ah))
goto bad;
/* default to MONITOR mode */
- sc->sc_ah->ah_opmode = NL80211_IFTYPE_MONITOR;
+ sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
/* Setup rate tables */
goto bad2;
}
- sc->sc_config.cabqReadytime = ATH_CABQ_READY_TIME;
+ sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
ath_cabq_update(sc);
for (i = 0; i < ARRAY_SIZE(sc->tx.hwq_map); i++)
/* 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->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
+ setup_timer(&sc->ani.timer, ath_ani_calibrate, (unsigned long)sc);
if (ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
ATH9K_CIPHER_TKIP, NULL)) {
ATH9K_CIPHER_MIC, NULL)
&& ath9k_hw_getcapability(ah, ATH9K_CAP_TKIP_SPLIT,
0, NULL))
- sc->sc_splitmic = 1;
+ sc->splitmic = 1;
/* turn on mcast key search if possible */
if (!ath9k_hw_getcapability(ah, ATH9K_CAP_MCAST_KEYSRCH, 0, NULL))
(void)ath9k_hw_setcapability(ah, ATH9K_CAP_MCAST_KEYSRCH, 1,
1, NULL);
- sc->sc_config.txpowlimit = ATH_TXPOWER_MAX;
- sc->sc_config.txpowlimit_override = 0;
+ sc->config.txpowlimit = ATH_TXPOWER_MAX;
/* 11n Capabilities */
- if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
sc->sc_flags |= SC_OP_TXAGGR;
sc->sc_flags |= SC_OP_RXAGGR;
}
- sc->sc_tx_chainmask = ah->ah_caps.tx_chainmask;
- sc->sc_rx_chainmask = ah->ah_caps.rx_chainmask;
+ sc->tx_chainmask = ah->caps.tx_chainmask;
+ sc->rx_chainmask = ah->caps.rx_chainmask;
ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
sc->rx.defant = ath9k_hw_getdefantenna(ah);
- ath9k_hw_getmac(ah, sc->sc_myaddr);
- if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) {
- ath9k_hw_getbssidmask(ah, sc->sc_bssidmask);
- ATH_SET_VAP_BSSID_MASK(sc->sc_bssidmask);
- ath9k_hw_setbssidmask(ah, sc->sc_bssidmask);
- }
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
+ memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
/* initialize beacon slots */
- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
- sc->beacon.bslot[i] = ATH_IF_ID_ANY;
+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
+ sc->beacon.bslot[i] = NULL;
+ sc->beacon.bslot_aphy[i] = NULL;
+ }
/* save MISC configurations */
- sc->sc_config.swBeaconProcess = 1;
+ sc->config.swBeaconProcess = 1;
/* setup channels and rates */
sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
ARRAY_SIZE(ath9k_2ghz_chantable);
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
sc->rates[IEEE80211_BAND_5GHZ];
ARRAY_SIZE(ath9k_5ghz_chantable);
}
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_BT_COEX)
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)
ath9k_hw_btcoex_enable(sc->sc_ah);
return 0;
bad:
if (ah)
ath9k_hw_detach(ah);
+ ath9k_exit_debug(sc);
return error;
}
-int ath_attach(u16 devid, struct ath_softc *sc)
+void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
{
- struct ieee80211_hw *hw = sc->hw;
- int error = 0;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
-
- error = ath_init(devid, sc);
- if (error != 0)
- return error;
-
- /* get mac address from hardware and set in mac80211 */
-
- SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
-
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_SUPPORTS_PS |
- IEEE80211_HW_PS_NULLFUNC_STACK;
+ IEEE80211_HW_PS_NULLFUNC_STACK |
+ IEEE80211_HW_SPECTRUM_MGMT;
- if (AR_SREV_9160_10_OR_LATER(sc->sc_ah))
+ if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
hw->flags |= IEEE80211_HW_MFP_CAPABLE;
hw->wiphy->interface_modes =
hw->queues = 4;
hw->max_rates = 4;
+ hw->channel_change_time = 5000;
+ hw->max_listen_interval = 10;
hw->max_rate_tries = ATH_11N_TXMAXTRY;
hw->sta_data_size = sizeof(struct ath_node);
- hw->vif_data_size = sizeof(struct ath_vap);
+ hw->vif_data_size = sizeof(struct ath_vif);
hw->rate_control_algorithm = "ath9k_rate_control";
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &sc->sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &sc->sbands[IEEE80211_BAND_5GHZ];
+}
+
+int ath_attach(u16 devid, struct ath_softc *sc)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ const struct ieee80211_regdomain *regd;
+ int error = 0, i;
+
+ DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
+
+ error = ath_init(devid, sc);
+ if (error != 0)
+ return error;
+
+ /* get mac address from hardware and set in mac80211 */
+
+ SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
+
+ ath_set_hw_capab(sc, hw);
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
setup_ht_cap(sc, &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];
-
/* initialize tx/rx engine */
error = ath_tx_init(sc, ATH_TXBUF);
if (error != 0)
- goto detach;
+ goto error_attach;
error = ath_rx_init(sc, ATH_RXBUF);
if (error != 0)
- goto detach;
+ goto error_attach;
#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
/* Initialze h/w Rfkill */
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
INIT_DELAYED_WORK(&sc->rf_kill.rfkill_poll, ath_rfkill_poll);
/* Initialize s/w rfkill */
- if (ath_init_sw_rfkill(sc))
- goto detach;
+ error = ath_init_sw_rfkill(sc);
+ if (error)
+ goto error_attach;
#endif
if (ath9k_is_world_regd(sc->sc_ah)) {
- /* Anything applied here (prior to wiphy registratoin) gets
+ /* Anything applied here (prior to wiphy registration) gets
* saved on the wiphy orig_* parameters */
- const struct ieee80211_regdomain *regd =
- ath9k_world_regdomain(sc->sc_ah);
+ regd = ath9k_world_regdomain(sc->sc_ah);
hw->wiphy->custom_regulatory = true;
hw->wiphy->strict_regulatory = false;
- wiphy_apply_custom_regulatory(sc->hw->wiphy, regd);
- ath9k_reg_apply_radar_flags(hw->wiphy);
- ath9k_reg_apply_world_flags(hw->wiphy, REGDOM_SET_BY_INIT);
} else {
/* This gets applied in the case of the absense of CRDA,
- * its our own custom world regulatory domain, similar to
+ * it's our own custom world regulatory domain, similar to
* cfg80211's but we enable passive scanning */
- const struct ieee80211_regdomain *regd =
- ath9k_default_world_regdomain();
- wiphy_apply_custom_regulatory(sc->hw->wiphy, regd);
- ath9k_reg_apply_radar_flags(hw->wiphy);
- ath9k_reg_apply_world_flags(hw->wiphy, REGDOM_SET_BY_INIT);
+ regd = ath9k_default_world_regdomain();
}
+ wiphy_apply_custom_regulatory(hw->wiphy, regd);
+ ath9k_reg_apply_radar_flags(hw->wiphy);
+ ath9k_reg_apply_world_flags(hw->wiphy, NL80211_REGDOM_SET_BY_DRIVER);
+
+ INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
+ INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
+ sc->wiphy_scheduler_int = msecs_to_jiffies(500);
error = ieee80211_register_hw(hw);
- if (!ath9k_is_world_regd(sc->sc_ah))
- regulatory_hint(hw->wiphy, sc->sc_ah->alpha2);
+ if (!ath9k_is_world_regd(sc->sc_ah)) {
+ error = regulatory_hint(hw->wiphy,
+ sc->sc_ah->regulatory.alpha2);
+ if (error)
+ goto error_attach;
+ }
/* Initialize LED control */
ath_init_leds(sc);
return 0;
-detach:
- ath_detach(sc);
+
+error_attach:
+ /* cleanup tx queues */
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+ if (ATH_TXQ_SETUP(sc, i))
+ ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+
+ ath9k_hw_detach(sc->sc_ah);
+ ath9k_exit_debug(sc);
+
return error;
}
int ath_reset(struct ath_softc *sc, bool retry_tx)
{
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
struct ieee80211_hw *hw = sc->hw;
int r;
ath_flushrecv(sc);
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, sc->sc_ah->ah_curchan, false);
+ r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
if (r)
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %u\n", r);
ath_update_txpow(sc);
if (sc->sc_flags & SC_OP_BEACONS)
- ath_beacon_config(sc, ATH_IF_ID_ANY); /* restart beacons */
+ ath_beacon_config(sc, NULL); /* restart beacons */
- ath9k_hw_set_interrupts(ah, sc->sc_imask);
+ ath9k_hw_set_interrupts(ah, sc->imask);
if (retry_tx) {
int i;
DPRINTF(sc, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
name, nbuf, ndesc);
+ INIT_LIST_HEAD(head);
/* ath_desc must be a multiple of DWORDs */
if ((sizeof(struct ath_desc) % 4) != 0) {
DPRINTF(sc, ATH_DBG_FATAL, "ath_desc not DWORD aligned\n");
* descriptors that cross the 4K page boundary. Assume
* one skipped descriptor per 4K page.
*/
- if (!(sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_4KB_SPLITTRANS)) {
+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_4KB_SPLITTRANS)) {
u32 ndesc_skipped =
ATH_DESC_4KB_BOUND_NUM_SKIPPED(dd->dd_desc_len);
u32 dma_len;
/* allocate descriptors */
dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
- &dd->dd_desc_paddr, GFP_ATOMIC);
+ &dd->dd_desc_paddr, GFP_KERNEL);
if (dd->dd_desc == NULL) {
error = -ENOMEM;
goto fail;
/* allocate buffers */
bsize = sizeof(struct ath_buf) * nbuf;
- bf = kmalloc(bsize, GFP_KERNEL);
+ bf = kzalloc(bsize, GFP_KERNEL);
if (bf == NULL) {
error = -ENOMEM;
goto fail2;
}
- memset(bf, 0, bsize);
dd->dd_bufptr = bf;
- INIT_LIST_HEAD(head);
for (i = 0; i < nbuf; i++, bf++, ds += ndesc) {
bf->bf_desc = ds;
bf->bf_daddr = DS2PHYS(dd, ds);
- if (!(sc->sc_ah->ah_caps.hw_caps &
+ if (!(sc->sc_ah->caps.hw_caps &
ATH9K_HW_CAP_4KB_SPLITTRANS)) {
/*
* Skip descriptor addresses which can cause 4KB
/* XXX: Remove me once we don't depend on ath9k_channel for all
* this redundant data */
-static void ath9k_update_ichannel(struct ath_softc *sc,
- struct ath9k_channel *ichan)
+void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
+ struct ath9k_channel *ichan)
{
- struct ieee80211_hw *hw = sc->hw;
struct ieee80211_channel *chan = hw->conf.channel;
struct ieee80211_conf *conf = &hw->conf;
static int ath9k_start(struct ieee80211_hw *hw)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
struct ieee80211_channel *curchan = hw->conf.channel;
struct ath9k_channel *init_channel;
int r, pos;
mutex_lock(&sc->mutex);
+ if (ath9k_wiphy_started(sc)) {
+ if (sc->chan_idx == curchan->hw_value) {
+ /*
+ * Already on the operational channel, the new wiphy
+ * can be marked active.
+ */
+ aphy->state = ATH_WIPHY_ACTIVE;
+ ieee80211_wake_queues(hw);
+ } else {
+ /*
+ * Another wiphy is on another channel, start the new
+ * wiphy in paused state.
+ */
+ aphy->state = ATH_WIPHY_PAUSED;
+ ieee80211_stop_queues(hw);
+ }
+ mutex_unlock(&sc->mutex);
+ return 0;
+ }
+ aphy->state = ATH_WIPHY_ACTIVE;
+
/* setup initial channel */
pos = curchan->hw_value;
- init_channel = &sc->sc_ah->ah_channels[pos];
- ath9k_update_ichannel(sc, init_channel);
+ sc->chan_idx = pos;
+ init_channel = &sc->sc_ah->channels[pos];
+ ath9k_update_ichannel(sc, hw, init_channel);
/* Reset SERDES registers */
ath9k_hw_configpcipowersave(sc->sc_ah, 0);
}
/* Setup our intr mask. */
- sc->sc_imask = ATH9K_INT_RX | ATH9K_INT_TX
+ sc->imask = ATH9K_INT_RX | ATH9K_INT_TX
| ATH9K_INT_RXEOL | ATH9K_INT_RXORN
| ATH9K_INT_FATAL | ATH9K_INT_GLOBAL;
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_GTT)
- sc->sc_imask |= ATH9K_INT_GTT;
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
+ sc->imask |= ATH9K_INT_GTT;
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
- sc->sc_imask |= ATH9K_INT_CST;
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+ sc->imask |= ATH9K_INT_CST;
ath_cache_conf_rate(sc, &hw->conf);
sc->sc_flags &= ~SC_OP_INVALID;
/* Disable BMISS interrupt when we're not associated */
- sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask);
+ sc->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
- ieee80211_wake_queues(sc->hw);
+ ieee80211_wake_queues(hw);
#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
r = ath_start_rfkill_poll(sc);
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
struct ath_tx_control txctl;
int hdrlen, padsize;
+ if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
+ printk(KERN_DEBUG "ath9k: %s: TX in unexpected wiphy state "
+ "%d\n", wiphy_name(hw->wiphy), aphy->state);
+ goto exit;
+ }
+
memset(&txctl, 0, sizeof(struct ath_tx_control));
/*
DPRINTF(sc, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
- if (ath_tx_start(sc, skb, &txctl) != 0) {
+ if (ath_tx_start(hw, skb, &txctl) != 0) {
DPRINTF(sc, ATH_DBG_XMIT, "TX failed\n");
goto exit;
}
static void ath9k_stop(struct ieee80211_hw *hw)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+
+ aphy->state = ATH_WIPHY_INACTIVE;
if (sc->sc_flags & SC_OP_INVALID) {
DPRINTF(sc, ATH_DBG_ANY, "Device not present\n");
mutex_lock(&sc->mutex);
- ieee80211_stop_queues(sc->hw);
+ ieee80211_stop_queues(hw);
+
+ if (ath9k_wiphy_started(sc)) {
+ mutex_unlock(&sc->mutex);
+ return; /* another wiphy still in use */
+ }
/* make sure h/w will not generate any interrupt
* before setting the invalid flag. */
sc->rx.rxlink = NULL;
#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ if (sc->sc_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 */
static int ath9k_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
- struct ath_softc *sc = hw->priv;
- struct ath_vap *avp = (void *)conf->vif->drv_priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_vif *avp = (void *)conf->vif->drv_priv;
enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
-
- /* Support only vap for now */
-
- if (sc->sc_nvaps)
- return -ENOBUFS;
+ int ret = 0;
mutex_lock(&sc->mutex);
+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) &&
+ sc->nvifs > 0) {
+ ret = -ENOBUFS;
+ goto out;
+ }
+
switch (conf->type) {
case NL80211_IFTYPE_STATION:
ic_opmode = NL80211_IFTYPE_STATION;
break;
case NL80211_IFTYPE_ADHOC:
+ if (sc->nbcnvifs >= ATH_BCBUF) {
+ ret = -ENOBUFS;
+ goto out;
+ }
ic_opmode = NL80211_IFTYPE_ADHOC;
break;
case NL80211_IFTYPE_AP:
+ if (sc->nbcnvifs >= ATH_BCBUF) {
+ ret = -ENOBUFS;
+ goto out;
+ }
ic_opmode = NL80211_IFTYPE_AP;
break;
default:
DPRINTF(sc, ATH_DBG_FATAL,
"Interface type %d not yet supported\n", conf->type);
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto out;
}
- DPRINTF(sc, ATH_DBG_CONFIG, "Attach a VAP of type: %d\n", ic_opmode);
+ DPRINTF(sc, ATH_DBG_CONFIG, "Attach a VIF of type: %d\n", ic_opmode);
- /* Set the VAP opmode */
+ /* Set the VIF opmode */
avp->av_opmode = ic_opmode;
avp->av_bslot = -1;
- if (ic_opmode == NL80211_IFTYPE_AP)
- ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
+ sc->nvifs++;
- sc->sc_vaps[0] = conf->vif;
- sc->sc_nvaps++;
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
+ ath9k_set_bssid_mask(hw);
+
+ if (sc->nvifs > 1)
+ goto out; /* skip global settings for secondary vif */
+
+ if (ic_opmode == NL80211_IFTYPE_AP) {
+ ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
+ sc->sc_flags |= SC_OP_TSF_RESET;
+ }
/* Set the device opmode */
- sc->sc_ah->ah_opmode = ic_opmode;
+ sc->sc_ah->opmode = ic_opmode;
/*
* Enable MIB interrupts when there are hardware phy counters.
* Note we only do this (at the moment) for station mode.
*/
- if (ath9k_hw_phycounters(sc->sc_ah) &&
- ((conf->type == NL80211_IFTYPE_STATION) ||
- (conf->type == NL80211_IFTYPE_ADHOC)))
- sc->sc_imask |= ATH9K_INT_MIB;
+ if ((conf->type == NL80211_IFTYPE_STATION) ||
+ (conf->type == NL80211_IFTYPE_ADHOC)) {
+ if (ath9k_hw_phycounters(sc->sc_ah))
+ sc->imask |= ATH9K_INT_MIB;
+ sc->imask |= ATH9K_INT_TSFOOR;
+ }
+
/*
* Some hardware processes the TIM IE and fires an
* interrupt when the TIM bit is set. For hardware
* that does, if not overridden by configuration,
* enable the TIM interrupt when operating as station.
*/
- if ((sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_ENHANCEDPM) &&
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_ENHANCEDPM) &&
(conf->type == NL80211_IFTYPE_STATION) &&
- !sc->sc_config.swBeaconProcess)
- sc->sc_imask |= ATH9K_INT_TIM;
+ !sc->config.swBeaconProcess)
+ sc->imask |= ATH9K_INT_TIM;
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
if (conf->type == NL80211_IFTYPE_AP) {
/* TODO: is this a suitable place to start ANI for AP mode? */
/* Start ANI */
- mod_timer(&sc->sc_ani.timer,
+ mod_timer(&sc->ani.timer,
jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
}
+out:
mutex_unlock(&sc->mutex);
-
- return 0;
+ return ret;
}
static void ath9k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
- struct ath_softc *sc = hw->priv;
- struct ath_vap *avp = (void *)conf->vif->drv_priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_vif *avp = (void *)conf->vif->drv_priv;
+ int i;
DPRINTF(sc, ATH_DBG_CONFIG, "Detach Interface\n");
mutex_lock(&sc->mutex);
/* Stop ANI */
- del_timer_sync(&sc->sc_ani.timer);
+ del_timer_sync(&sc->ani.timer);
/* Reclaim beacon resources */
- if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP ||
- sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC) {
+ if (sc->sc_ah->opmode == NL80211_IFTYPE_AP ||
+ sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) {
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
ath_beacon_return(sc, avp);
}
sc->sc_flags &= ~SC_OP_BEACONS;
- sc->sc_vaps[0] = NULL;
- sc->sc_nvaps--;
+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
+ if (sc->beacon.bslot[i] == conf->vif) {
+ printk(KERN_DEBUG "%s: vif had allocated beacon "
+ "slot\n", __func__);
+ sc->beacon.bslot[i] = NULL;
+ sc->beacon.bslot_aphy[i] = NULL;
+ }
+ }
+
+ sc->nvifs--;
mutex_unlock(&sc->mutex);
}
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
struct ieee80211_conf *conf = &hw->conf;
mutex_lock(&sc->mutex);
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;
+ if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
+ sc->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
- sc->sc_imask);
+ sc->imask);
}
ath9k_hw_setrxabort(sc->sc_ah, 1);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
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;
+ if (sc->imask & ATH9K_INT_TIM_TIMER) {
+ sc->imask &= ~ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
- sc->sc_imask);
+ sc->imask);
}
}
}
struct ieee80211_channel *curchan = hw->conf.channel;
int pos = curchan->hw_value;
+ aphy->chan_idx = pos;
+ aphy->chan_is_ht = conf_is_ht(conf);
+
+ if (aphy->state == ATH_WIPHY_SCAN ||
+ aphy->state == ATH_WIPHY_ACTIVE)
+ ath9k_wiphy_pause_all_forced(sc, aphy);
+ else {
+ /*
+ * Do not change operational channel based on a paused
+ * wiphy changes.
+ */
+ goto skip_chan_change;
+ }
+
DPRINTF(sc, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
curchan->center_freq);
/* XXX: remove me eventualy */
- ath9k_update_ichannel(sc, &sc->sc_ah->ah_channels[pos]);
+ ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
ath_update_chainmask(sc, conf_is_ht(conf));
- if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) {
+ if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
DPRINTF(sc, ATH_DBG_FATAL, "Unable to set channel\n");
mutex_unlock(&sc->mutex);
return -EINVAL;
}
}
+skip_chan_change:
if (changed & IEEE80211_CONF_CHANGE_POWER)
- sc->sc_config.txpowlimit = 2 * conf->power_level;
+ sc->config.txpowlimit = 2 * conf->power_level;
+
+ /*
+ * The HW TSF has to be reset when the beacon interval changes.
+ * We set the flag here, and ath_beacon_config_ap() would take this
+ * into account when it gets called through the subsequent
+ * config_interface() call - with IFCC_BEACON in the changed field.
+ */
+
+ if (changed & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
+ sc->sc_flags |= SC_OP_TSF_RESET;
mutex_unlock(&sc->mutex);
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf)
{
- struct ath_softc *sc = hw->priv;
- struct ath_hal *ah = sc->sc_ah;
- struct ath_vap *avp = (void *)vif->drv_priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_vif *avp = (void *)vif->drv_priv;
u32 rfilt = 0;
int error, i;
+ mutex_lock(&sc->mutex);
+
/* TODO: Need to decide which hw opmode to use for multi-interface
* cases */
if (vif->type == NL80211_IFTYPE_AP &&
- ah->ah_opmode != NL80211_IFTYPE_AP) {
- ah->ah_opmode = NL80211_IFTYPE_STATION;
+ ah->opmode != NL80211_IFTYPE_AP) {
+ ah->opmode = NL80211_IFTYPE_STATION;
ath9k_hw_setopmode(ah);
- ath9k_hw_write_associd(ah, sc->sc_myaddr, 0);
+ memcpy(sc->curbssid, sc->sc_ah->macaddr, ETH_ALEN);
+ sc->curaid = 0;
+ ath9k_hw_write_associd(sc);
/* Request full reset to get hw opmode changed properly */
sc->sc_flags |= SC_OP_FULL_RESET;
}
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
/* Set BSSID */
- memcpy(sc->sc_curbssid, conf->bssid, ETH_ALEN);
- sc->sc_curaid = 0;
- ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
- sc->sc_curaid);
+ memcpy(sc->curbssid, conf->bssid, ETH_ALEN);
+ memcpy(avp->bssid, conf->bssid, ETH_ALEN);
+ sc->curaid = 0;
+ ath9k_hw_write_associd(sc);
/* Set aggregation protection mode parameters */
- sc->sc_config.ath_aggr_prot = 0;
+ sc->config.ath_aggr_prot = 0;
DPRINTF(sc, ATH_DBG_CONFIG,
"RX filter 0x%x bssid %pM aid 0x%x\n",
- rfilt, sc->sc_curbssid, sc->sc_curaid);
+ rfilt, sc->curbssid, sc->curaid);
/* need to reconfigure the beacon */
sc->sc_flags &= ~SC_OP_BEACONS ;
*/
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- error = ath_beacon_alloc(sc, 0);
- if (error != 0)
+ error = ath_beacon_alloc(aphy, vif);
+ if (error != 0) {
+ mutex_unlock(&sc->mutex);
return error;
+ }
- ath_beacon_sync(sc, 0);
+ ath_beacon_config(sc, vif);
}
}
if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
ath9k_hw_keysetmac(sc->sc_ah,
(u16)i,
- sc->sc_curbssid);
+ sc->curbssid);
}
/* Only legacy IBSS for now */
if (vif->type == NL80211_IFTYPE_ADHOC)
ath_update_chainmask(sc, 0);
+ mutex_unlock(&sc->mutex);
+
return 0;
}
int mc_count,
struct dev_mc_list *mclist)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
u32 rfilt;
changed_flags &= SUPPORTED_FILTERS;
rfilt = ath_calcrxfilter(sc);
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
- ath9k_hw_write_associd(sc->sc_ah, ath_bcast_mac, 0);
- }
-
DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", sc->rx.rxfilter);
}
enum sta_notify_cmd cmd,
struct ieee80211_sta *sta)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
switch (cmd) {
case STA_NOTIFY_ADD:
static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
struct ath9k_tx_queue_info qi;
int ret = 0, qnum;
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
int ret = 0;
+ if (modparam_nohwcrypt)
+ return -ENOSPC;
+
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);
DPRINTF(sc, ATH_DBG_KEYCACHE, "Set HW Key\n");
switch (cmd) {
case SET_KEY:
- ret = ath_key_config(sc, sta, key);
+ ret = ath_key_config(sc, vif, sta, key);
if (ret >= 0) {
key->hw_key_idx = ret;
/* push IV and Michael MIC generation to stack */
struct ieee80211_bss_conf *bss_conf,
u32 changed)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
{
u64 tsf;
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
tsf = ath9k_hw_gettsf64(sc->sc_ah);
static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
ath9k_hw_settsf64(sc->sc_ah, tsf);
static void ath9k_reset_tsf(struct ieee80211_hw *hw)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
ath9k_hw_reset_tsf(sc->sc_ah);
struct ieee80211_sta *sta,
u16 tid, u16 *ssn)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
int ret = 0;
switch (action) {
return ret;
}
+static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+
+ if (ath9k_wiphy_scanning(sc)) {
+ printk(KERN_DEBUG "ath9k: Two wiphys trying to scan at the "
+ "same time\n");
+ /*
+ * Do not allow the concurrent scanning state for now. This
+ * could be improved with scanning control moved into ath9k.
+ */
+ return;
+ }
+
+ aphy->state = ATH_WIPHY_SCAN;
+ ath9k_wiphy_pause_all_forced(sc, aphy);
+
+ mutex_lock(&sc->mutex);
+ sc->sc_flags |= SC_OP_SCANNING;
+ mutex_unlock(&sc->mutex);
+}
+
+static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+
+ mutex_lock(&sc->mutex);
+ aphy->state = ATH_WIPHY_ACTIVE;
+ sc->sc_flags &= ~SC_OP_SCANNING;
+ mutex_unlock(&sc->mutex);
+}
+
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
.set_tsf = ath9k_set_tsf,
.reset_tsf = ath9k_reset_tsf,
.ampdu_action = ath9k_ampdu_action,
+ .sw_scan_start = ath9k_sw_scan_start,
+ .sw_scan_complete = ath9k_sw_scan_complete,
};
static struct {
goto err_out;
}
+ error = ath9k_debug_create_root();
+ if (error) {
+ printk(KERN_ERR
+ "ath9k: Unable to create debugfs root: %d\n",
+ error);
+ goto err_rate_unregister;
+ }
+
error = ath_pci_init();
if (error < 0) {
printk(KERN_ERR
"ath9k: No PCI devices found, driver not installed.\n");
error = -ENODEV;
- goto err_rate_unregister;
+ goto err_remove_root;
}
error = ath_ahb_init();
err_pci_exit:
ath_pci_exit();
+ err_remove_root:
+ ath9k_debug_remove_root();
err_rate_unregister:
ath_rate_control_unregister();
err_out:
{
ath_ahb_exit();
ath_pci_exit();
+ ath9k_debug_remove_root();
ath_rate_control_unregister();
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff