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-rw-r--r--drivers/net/wireless/ath5k/ath5k.h89
-rw-r--r--drivers/net/wireless/ath5k/base.c131
-rw-r--r--drivers/net/wireless/ath5k/dma.c190
-rw-r--r--drivers/net/wireless/ath5k/initvals.c8
-rw-r--r--drivers/net/wireless/ath5k/pcu.c184
-rw-r--r--drivers/net/wireless/ath5k/phy.c5
-rw-r--r--drivers/net/wireless/ath5k/qcu.c37
-rw-r--r--drivers/net/wireless/ath5k/reg.h15
-rw-r--r--drivers/net/wireless/ath5k/reset.c3
9 files changed, 489 insertions, 173 deletions
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index 53ea439..a725bb9 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -507,11 +507,15 @@ enum ath5k_tx_queue_id {
#define AR5K_TXQ_FLAG_TXEOLINT_ENABLE 0x0004 /* Enable TXEOL interrupt -not used- */
#define AR5K_TXQ_FLAG_TXDESCINT_ENABLE 0x0008 /* Enable TXDESC interrupt -not used- */
#define AR5K_TXQ_FLAG_TXURNINT_ENABLE 0x0010 /* Enable TXURN interrupt */
-#define AR5K_TXQ_FLAG_BACKOFF_DISABLE 0x0020 /* Disable random post-backoff */
-#define AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE 0x0040 /* Enable ready time expiry policy (?)*/
-#define AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE 0x0080 /* Enable backoff while bursting */
-#define AR5K_TXQ_FLAG_POST_FR_BKOFF_DIS 0x0100 /* Disable backoff while bursting */
-#define AR5K_TXQ_FLAG_COMPRESSION_ENABLE 0x0200 /* Enable hw compression -not implemented-*/
+#define AR5K_TXQ_FLAG_CBRORNINT_ENABLE 0x0020 /* Enable CBRORN interrupt */
+#define AR5K_TXQ_FLAG_CBRURNINT_ENABLE 0x0040 /* Enable CBRURN interrupt */
+#define AR5K_TXQ_FLAG_QTRIGINT_ENABLE 0x0080 /* Enable QTRIG interrupt */
+#define AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE 0x0100 /* Enable TXNOFRM interrupt */
+#define AR5K_TXQ_FLAG_BACKOFF_DISABLE 0x0200 /* Disable random post-backoff */
+#define AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE 0x0300 /* Enable ready time expiry policy (?)*/
+#define AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE 0x0800 /* Enable backoff while bursting */
+#define AR5K_TXQ_FLAG_POST_FR_BKOFF_DIS 0x1000 /* Disable backoff while bursting */
+#define AR5K_TXQ_FLAG_COMPRESSION_ENABLE 0x2000 /* Enable hw compression -not implemented-*/
/*
* A struct to hold tx queue's parameters
@@ -853,7 +857,7 @@ enum ath5k_ant_setting {
* checked. We should do this with ath5k_hw_update_mib_counters() but
* it seems we should also then do some noise immunity work.
* @AR5K_INT_RXPHY: RX PHY Error
- * @AR5K_INT_RXKCM: ??
+ * @AR5K_INT_RXKCM: RX Key cache miss
* @AR5K_INT_SWBA: SoftWare Beacon Alert - indicates its time to send a
* beacon that must be handled in software. The alternative is if you
* have VEOL support, in that case you let the hardware deal with things.
@@ -869,7 +873,7 @@ enum ath5k_ant_setting {
* @AR5K_INT_FATAL: Fatal errors were encountered, typically caused by DMA
* errors. These types of errors we can enable seem to be of type
* AR5K_SIMR2_MCABT, AR5K_SIMR2_SSERR and AR5K_SIMR2_DPERR.
- * @AR5K_INT_GLOBAL: Seems to be used to clear and set the IER
+ * @AR5K_INT_GLOBAL: Used to clear and set the IER
* @AR5K_INT_NOCARD: signals the card has been removed
* @AR5K_INT_COMMON: common interrupts shared amogst MACs with the same
* bit value
@@ -881,36 +885,61 @@ enum ath5k_ant_setting {
* MACs.
*/
enum ath5k_int {
- AR5K_INT_RX = 0x00000001, /* Not common */
+ AR5K_INT_RXOK = 0x00000001,
AR5K_INT_RXDESC = 0x00000002,
+ AR5K_INT_RXERR = 0x00000004,
AR5K_INT_RXNOFRM = 0x00000008,
AR5K_INT_RXEOL = 0x00000010,
AR5K_INT_RXORN = 0x00000020,
- AR5K_INT_TX = 0x00000040, /* Not common */
+ AR5K_INT_TXOK = 0x00000040,
AR5K_INT_TXDESC = 0x00000080,
+ AR5K_INT_TXERR = 0x00000100,
+ AR5K_INT_TXNOFRM = 0x00000200,
+ AR5K_INT_TXEOL = 0x00000400,
AR5K_INT_TXURN = 0x00000800,
AR5K_INT_MIB = 0x00001000,
+ AR5K_INT_SWI = 0x00002000,
AR5K_INT_RXPHY = 0x00004000,
AR5K_INT_RXKCM = 0x00008000,
AR5K_INT_SWBA = 0x00010000,
+ AR5K_INT_BRSSI = 0x00020000,
AR5K_INT_BMISS = 0x00040000,
- AR5K_INT_BNR = 0x00100000, /* Not common */
- AR5K_INT_GPIO = 0x01000000,
- AR5K_INT_FATAL = 0x40000000, /* Not common */
- AR5K_INT_GLOBAL = 0x80000000,
-
- AR5K_INT_COMMON = AR5K_INT_RXNOFRM
- | AR5K_INT_RXDESC
- | AR5K_INT_RXEOL
- | AR5K_INT_RXORN
- | AR5K_INT_TXURN
- | AR5K_INT_TXDESC
- | AR5K_INT_MIB
- | AR5K_INT_RXPHY
- | AR5K_INT_RXKCM
- | AR5K_INT_SWBA
- | AR5K_INT_BMISS
- | AR5K_INT_GPIO,
+ AR5K_INT_FATAL = 0x00080000, /* Non common */
+ AR5K_INT_BNR = 0x00100000, /* Non common */
+ AR5K_INT_TIM = 0x00200000, /* Non common */
+ AR5K_INT_DTIM = 0x00400000, /* Non common */
+ AR5K_INT_DTIM_SYNC = 0x00800000, /* Non common */
+ AR5K_INT_GPIO = 0x01000000,
+ AR5K_INT_BCN_TIMEOUT = 0x02000000, /* Non common */
+ AR5K_INT_CAB_TIMEOUT = 0x04000000, /* Non common */
+ AR5K_INT_RX_DOPPLER = 0x08000000, /* Non common */
+ AR5K_INT_QCBRORN = 0x10000000, /* Non common */
+ AR5K_INT_QCBRURN = 0x20000000, /* Non common */
+ AR5K_INT_QTRIG = 0x40000000, /* Non common */
+ AR5K_INT_GLOBAL = 0x80000000,
+
+ AR5K_INT_COMMON = AR5K_INT_RXOK
+ | AR5K_INT_RXDESC
+ | AR5K_INT_RXERR
+ | AR5K_INT_RXNOFRM
+ | AR5K_INT_RXEOL
+ | AR5K_INT_RXORN
+ | AR5K_INT_TXOK
+ | AR5K_INT_TXDESC
+ | AR5K_INT_TXERR
+ | AR5K_INT_TXNOFRM
+ | AR5K_INT_TXEOL
+ | AR5K_INT_TXURN
+ | AR5K_INT_MIB
+ | AR5K_INT_SWI
+ | AR5K_INT_RXPHY
+ | AR5K_INT_RXKCM
+ | AR5K_INT_SWBA
+ | AR5K_INT_BRSSI
+ | AR5K_INT_BMISS
+ | AR5K_INT_GPIO
+ | AR5K_INT_GLOBAL,
+
AR5K_INT_NOCARD = 0xffffffff
};
@@ -1064,10 +1093,11 @@ struct ath5k_hw {
u8 ah_sta_id[ETH_ALEN];
- /* Current BSSID we are trying to assoc to / creating.
+ /* Current BSSID we are trying to assoc to / create.
* This is passed by mac80211 on config_interface() and cached here for
* use in resets */
u8 ah_bssid[ETH_ALEN];
+ u8 ah_bssid_mask[ETH_ALEN];
u32 ah_gpio[AR5K_MAX_GPIO];
int ah_gpio_npins;
@@ -1081,6 +1111,11 @@ struct ath5k_hw {
u32 ah_txq_imr_txurn;
u32 ah_txq_imr_txdesc;
u32 ah_txq_imr_txeol;
+ u32 ah_txq_imr_cbrorn;
+ u32 ah_txq_imr_cbrurn;
+ u32 ah_txq_imr_qtrig;
+ u32 ah_txq_imr_nofrm;
+ u32 ah_txq_isr;
u32 *ah_rf_banks;
size_t ah_rf_banks_size;
struct ath5k_gain ah_gain;
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index cfd4d05..c7ffcbb 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -60,6 +60,9 @@
#include "debug.h"
static int ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */
+static int modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
/******************\
@@ -219,8 +222,7 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
static void ath5k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
-static int ath5k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf);
+static int ath5k_config(struct ieee80211_hw *hw, u32 changed);
static int ath5k_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
@@ -238,8 +240,7 @@ static int ath5k_get_tx_stats(struct ieee80211_hw *hw,
struct ieee80211_tx_queue_stats *stats);
static u64 ath5k_get_tsf(struct ieee80211_hw *hw);
static void ath5k_reset_tsf(struct ieee80211_hw *hw);
-static int ath5k_beacon_update(struct ieee80211_hw *hw,
- struct sk_buff *skb);
+static int ath5k_beacon_update(struct ath5k_softc *sc, struct sk_buff *skb);
static struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
@@ -543,8 +544,8 @@ ath5k_pci_probe(struct pci_dev *pdev,
/* set up multi-rate retry capabilities */
if (sc->ah->ah_version == AR5K_AR5212) {
- hw->max_altrates = 3;
- hw->max_altrate_tries = 11;
+ hw->max_rates = 4;
+ hw->max_rate_tries = 11;
}
/* Finish private driver data initialization */
@@ -1183,7 +1184,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
(sc->power_level * 2),
ieee80211_get_tx_rate(sc->hw, info)->hw_value,
- info->control.retry_limit, keyidx, 0, flags, 0, 0);
+ info->control.rates[0].count, keyidx, 0, flags, 0, 0);
if (ret)
goto err_unmap;
@@ -1195,7 +1196,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
break;
mrr_rate[i] = rate->hw_value;
- mrr_tries[i] = info->control.retries[i].limit;
+ mrr_tries[i] = info->control.rates[i + 1].count;
}
ah->ah_setup_mrr_tx_desc(ah, ds,
@@ -1780,7 +1781,17 @@ accept:
rxs.noise = sc->ah->ah_noise_floor;
rxs.signal = rxs.noise + rs.rs_rssi;
- rxs.qual = rs.rs_rssi * 100 / 64;
+
+ /* An rssi of 35 indicates you should be able use
+ * 54 Mbps reliably. A more elaborate scheme can be used
+ * here but it requires a map of SNR/throughput for each
+ * possible mode used */
+ rxs.qual = rs.rs_rssi * 100 / 35;
+
+ /* rssi can be more than 35 though, anything above that
+ * should be considered at 100% */
+ if (rxs.qual > 100)
+ rxs.qual = 100;
rxs.antenna = rs.rs_antenna;
rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate);
@@ -1841,30 +1852,26 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
PCI_DMA_TODEVICE);
- memset(&info->status, 0, sizeof(info->status));
- info->tx_rate_idx = ath5k_hw_to_driver_rix(sc,
- ts.ts_rate[ts.ts_final_idx]);
- info->status.retry_count = ts.ts_longretry;
-
+ ieee80211_tx_info_clear_status(info);
for (i = 0; i < 4; i++) {
- struct ieee80211_tx_altrate *r =
- &info->status.retries[i];
+ struct ieee80211_tx_rate *r =
+ &info->status.rates[i];
if (ts.ts_rate[i]) {
- r->rate_idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
- r->limit = ts.ts_retry[i];
+ r->idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
+ r->count = ts.ts_retry[i];
} else {
- r->rate_idx = -1;
- r->limit = 0;
+ r->idx = -1;
+ r->count = 0;
}
}
- info->status.excessive_retries = 0;
+ /* count the successful attempt as well */
+ info->status.rates[ts.ts_final_idx].count++;
+
if (unlikely(ts.ts_status)) {
sc->ll_stats.dot11ACKFailureCount++;
- if (ts.ts_status & AR5K_TXERR_XRETRY)
- info->status.excessive_retries = 1;
- else if (ts.ts_status & AR5K_TXERR_FILT)
+ if (ts.ts_status & AR5K_TXERR_FILT)
info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
} else {
info->flags |= IEEE80211_TX_STAT_ACK;
@@ -2138,8 +2145,6 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
*
* In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA
* interrupts to detect TSF updates only.
- *
- * AP mode is missing.
*/
static void
ath5k_beacon_config(struct ath5k_softc *sc)
@@ -2152,7 +2157,9 @@ ath5k_beacon_config(struct ath5k_softc *sc)
if (sc->opmode == NL80211_IFTYPE_STATION) {
sc->imask |= AR5K_INT_BMISS;
- } else if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+ } else if (sc->opmode == NL80211_IFTYPE_ADHOC ||
+ sc->opmode == NL80211_IFTYPE_MESH_POINT ||
+ sc->opmode == NL80211_IFTYPE_AP) {
/*
* In IBSS mode we use a self-linked tx descriptor and let the
* hardware send the beacons automatically. We have to load it
@@ -2164,13 +2171,15 @@ ath5k_beacon_config(struct ath5k_softc *sc)
sc->imask |= AR5K_INT_SWBA;
- if (ath5k_hw_hasveol(ah)) {
- spin_lock(&sc->block);
- ath5k_beacon_send(sc);
- spin_unlock(&sc->block);
- }
+ if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+ if (ath5k_hw_hasveol(ah)) {
+ spin_lock(&sc->block);
+ ath5k_beacon_send(sc);
+ spin_unlock(&sc->block);
+ }
+ } else
+ ath5k_beacon_update_timers(sc, -1);
}
- /* TODO else AP */
ath5k_hw_set_imr(ah, sc->imask);
}
@@ -2210,7 +2219,7 @@ ath5k_init(struct ath5k_softc *sc, bool is_resume)
*/
sc->curchan = sc->hw->conf.channel;
sc->curband = &sc->sbands[sc->curchan->band];
- sc->imask = AR5K_INT_RX | AR5K_INT_TX | AR5K_INT_RXEOL |
+ sc->imask = AR5K_INT_RXOK | AR5K_INT_TXOK | AR5K_INT_RXEOL |
AR5K_INT_RXORN | AR5K_INT_FATAL | AR5K_INT_GLOBAL |
AR5K_INT_MIB;
ret = ath5k_reset(sc, false, false);
@@ -2404,9 +2413,10 @@ ath5k_intr(int irq, void *dev_id)
/* bump tx trigger level */
ath5k_hw_update_tx_triglevel(ah, true);
}
- if (status & AR5K_INT_RX)
+ if (status & (AR5K_INT_RXOK | AR5K_INT_RXERR))
tasklet_schedule(&sc->rxtq);
- if (status & AR5K_INT_TX)
+ if (status & (AR5K_INT_TXOK | AR5K_INT_TXDESC
+ | AR5K_INT_TXERR | AR5K_INT_TXEOL))
tasklet_schedule(&sc->txtq);
if (status & AR5K_INT_BMISS) {
}
@@ -2522,8 +2532,7 @@ ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led,
led->led_dev.brightness_set = ath5k_led_brightness_set;
err = led_classdev_register(&sc->pdev->dev, &led->led_dev);
- if (err)
- {
+ if (err) {
ATH5K_WARN(sc, "could not register LED %s\n", name);
led->sc = NULL;
}
@@ -2741,8 +2750,10 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
sc->vif = conf->vif;
switch (conf->type) {
+ case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_MONITOR:
sc->opmode = conf->type;
break;
@@ -2780,10 +2791,10 @@ end:
* TODO: Phy disable/diversity etc
*/
static int
-ath5k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+ath5k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath5k_softc *sc = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
sc->bintval = conf->beacon_int;
sc->power_level = conf->power_level;
@@ -2804,7 +2815,7 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ret = -EIO;
goto unlock;
}
- if (conf->bssid) {
+ if (conf->changed & IEEE80211_IFCC_BSSID && conf->bssid) {
/* Cache for later use during resets */
memcpy(ah->ah_bssid, conf->bssid, ETH_ALEN);
/* XXX: assoc id is set to 0 for now, mac80211 doesn't have
@@ -2812,18 +2823,17 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
mmiowb();
}
-
if (conf->changed & IEEE80211_IFCC_BEACON &&
- vif->type == NL80211_IFTYPE_ADHOC) {
+ (vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_AP)) {
struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
if (!beacon) {
ret = -ENOMEM;
goto unlock;
}
- /* call old handler for now */
- ath5k_beacon_update(hw, beacon);
+ ath5k_beacon_update(sc, beacon);
}
-
mutex_unlock(&sc->lock);
return ath5k_reset_wake(sc);
@@ -2883,9 +2893,9 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
if (*new_flags & FIF_PROMISC_IN_BSS) {
rfilt |= AR5K_RX_FILTER_PROM;
__set_bit(ATH_STAT_PROMISC, sc->status);
- }
- else
+ } else {
__clear_bit(ATH_STAT_PROMISC, sc->status);
+ }
}
/* Note, AR5K_RX_FILTER_MCAST is already enabled */
@@ -2946,9 +2956,12 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
sc->opmode == NL80211_IFTYPE_ADHOC) {
rfilt |= AR5K_RX_FILTER_BEACON;
}
+ if (sc->opmode == NL80211_IFTYPE_MESH_POINT)
+ rfilt |= AR5K_RX_FILTER_CONTROL | AR5K_RX_FILTER_BEACON |
+ AR5K_RX_FILTER_PROBEREQ | AR5K_RX_FILTER_PROM;
/* Set filters */
- ath5k_hw_set_rx_filter(ah,rfilt);
+ ath5k_hw_set_rx_filter(ah, rfilt);
/* Set multicast bits */
ath5k_hw_set_mcast_filter(ah, mfilt[0], mfilt[1]);
@@ -2965,12 +2978,13 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ath5k_softc *sc = hw->priv;
int ret = 0;
- switch(key->alg) {
+ if (modparam_nohwcrypt)
+ return -EOPNOTSUPP;
+
+ switch (key->alg) {
case ALG_WEP:
- /* XXX: fix hardware encryption, its not working. For now
- * allow software encryption */
- /* break; */
case ALG_TKIP:
+ break;
case ALG_CCMP:
return -EOPNOTSUPP;
default:
@@ -2989,6 +3003,8 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
}
__set_bit(key->keyidx, sc->keymap);
key->hw_key_idx = key->keyidx;
+ key->flags |= (IEEE80211_KEY_FLAG_GENERATE_IV |
+ IEEE80211_KEY_FLAG_GENERATE_MMIC);
break;
case DISABLE_KEY:
ath5k_hw_reset_key(sc->ah, key->keyidx);
@@ -3055,19 +3071,13 @@ ath5k_reset_tsf(struct ieee80211_hw *hw)
}
static int
-ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
+ath5k_beacon_update(struct ath5k_softc *sc, struct sk_buff *skb)
{
- struct ath5k_softc *sc = hw->priv;
unsigned long flags;
int ret;
ath5k_debug_dump_skb(sc, skb, "BC ", 1);
- if (sc->opmode != NL80211_IFTYPE_ADHOC) {
- ret = -EIO;
- goto end;
- }
-
spin_lock_irqsave(&sc->block, flags);
ath5k_txbuf_free(sc, sc->bbuf);
sc->bbuf->skb = skb;
@@ -3080,7 +3090,6 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
mmiowb();
}
-end:
return ret;
}
diff --git a/drivers/net/wireless/ath5k/dma.c b/drivers/net/wireless/ath5k/dma.c
index 7adceb2..7e2b1a6 100644
--- a/drivers/net/wireless/ath5k/dma.c
+++ b/drivers/net/wireless/ath5k/dma.c
@@ -472,9 +472,6 @@ bool ath5k_hw_is_intr_pending(struct ath5k_hw *ah)
*
* NOTE: We use read-and-clear register, so after this function is called ISR
* is zeroed.
- *
- * XXX: Why filter interrupts in sw with interrupt_mask ? No benefit at all
- * plus it can be misleading (one might thing that we save interrupts this way)
*/
int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
{
@@ -494,11 +491,16 @@ int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
}
} else {
/*
- * Read interrupt status from the Read-And-Clear
- * shadow register.
+ * Read interrupt status from Interrupt
+ * Status Register shadow copy (Read And Clear)
+ *
* Note: PISR/SISR Not available on 5210
*/
data = ath5k_hw_reg_read(ah, AR5K_RAC_PISR);
+ if (unlikely(data == AR5K_INT_NOCARD)) {
+ *interrupt_mask = data;
+ return -ENODEV;
+ }
}
/*
@@ -506,17 +508,9 @@ int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
*/
*interrupt_mask = (data & AR5K_INT_COMMON) & ah->ah_imr;
- if (unlikely(data == AR5K_INT_NOCARD))
- return -ENODEV;
-
- if (data & (AR5K_ISR_RXOK | AR5K_ISR_RXERR))
- *interrupt_mask |= AR5K_INT_RX;
-
- if (data & (AR5K_ISR_TXOK | AR5K_ISR_TXERR
- | AR5K_ISR_TXDESC | AR5K_ISR_TXEOL))
- *interrupt_mask |= AR5K_INT_TX;
-
if (ah->ah_version != AR5K_AR5210) {
+ u32 sisr2 = ath5k_hw_reg_read(ah, AR5K_RAC_SISR2);
+
/*HIU = Host Interface Unit (PCI etc)*/
if (unlikely(data & (AR5K_ISR_HIUERR)))
*interrupt_mask |= AR5K_INT_FATAL;
@@ -524,24 +518,93 @@ int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
/*Beacon Not Ready*/
if (unlikely(data & (AR5K_ISR_BNR)))
*interrupt_mask |= AR5K_INT_BNR;
- }
- /*
- * XXX: BMISS interrupts may occur after association.
- * I found this on 5210 code but it needs testing. If this is
- * true we should disable them before assoc and re-enable them
- * after a successfull assoc + some jiffies.
- */
-#if 0
- interrupt_mask &= ~AR5K_INT_BMISS;
-#endif
+ if (unlikely(sisr2 & (AR5K_SISR2_SSERR |
+ AR5K_SISR2_DPERR |
+ AR5K_SISR2_MCABT)))
+ *interrupt_mask |= AR5K_INT_FATAL;
+
+ if (data & AR5K_ISR_TIM)
+ *interrupt_mask |= AR5K_INT_TIM;
+
+ if (data & AR5K_ISR_BCNMISC) {
+ if (sisr2 & AR5K_SISR2_TIM)
+ *interrupt_mask |= AR5K_INT_TIM;
+ if (sisr2 & AR5K_SISR2_DTIM)
+ *interrupt_mask |= AR5K_INT_DTIM;
+ if (sisr2 & AR5K_SISR2_DTIM_SYNC)
+ *interrupt_mask |= AR5K_INT_DTIM_SYNC;
+ if (sisr2 & AR5K_SISR2_BCN_TIMEOUT)
+ *interrupt_mask |= AR5K_INT_BCN_TIMEOUT;
+ if (sisr2 & AR5K_SISR2_CAB_TIMEOUT)
+ *interrupt_mask |= AR5K_INT_CAB_TIMEOUT;
+ }
+
+ if (data & AR5K_ISR_RXDOPPLER)
+ *interrupt_mask |= AR5K_INT_RX_DOPPLER;
+ if (data & AR5K_ISR_QCBRORN) {
+ *interrupt_mask |= AR5K_INT_QCBRORN;
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR3),
+ AR5K_SISR3_QCBRORN);
+ }
+ if (data & AR5K_ISR_QCBRURN) {
+ *interrupt_mask |= AR5K_INT_QCBRURN;
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR3),
+ AR5K_SISR3_QCBRURN);
+ }
+ if (data & AR5K_ISR_QTRIG) {
+ *interrupt_mask |= AR5K_INT_QTRIG;
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR4),
+ AR5K_SISR4_QTRIG);
+ }
+
+ if (data & AR5K_ISR_TXOK)
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR0),
+ AR5K_SISR0_QCU_TXOK);
+
+ if (data & AR5K_ISR_TXDESC)
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR0),
+ AR5K_SISR0_QCU_TXDESC);
+
+ if (data & AR5K_ISR_TXERR)
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR1),
+ AR5K_SISR1_QCU_TXERR);
+
+ if (data & AR5K_ISR_TXEOL)
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR1),
+ AR5K_SISR1_QCU_TXEOL);
+
+ if (data & AR5K_ISR_TXURN)
+ ah->ah_txq_isr |= AR5K_REG_MS(
+ ath5k_hw_reg_read(ah, AR5K_RAC_SISR2),
+ AR5K_SISR2_QCU_TXURN);
+ } else {
+ if (unlikely(data & (AR5K_ISR_SSERR | AR5K_ISR_MCABT
+ | AR5K_ISR_HIUERR | AR5K_ISR_DPERR)))
+ *interrupt_mask |= AR5K_INT_FATAL;
+
+ /*
+ * XXX: BMISS interrupts may occur after association.
+ * I found this on 5210 code but it needs testing. If this is
+ * true we should disable them before assoc and re-enable them
+ * after a successfull assoc + some jiffies.
+ interrupt_mask &= ~AR5K_INT_BMISS;
+ */
+ }
/*
* In case we didn't handle anything,
* print the register value.
*/
if (unlikely(*interrupt_mask == 0 && net_ratelimit()))
- ATH5K_PRINTF("0x%08x\n", data);
+ ATH5K_PRINTF("ISR: 0x%08x IMR: 0x%08x\n", data, ah->ah_imr);
return 0;
}
@@ -560,14 +623,17 @@ enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum ath5k_int new_mask)
{
enum ath5k_int old_mask, int_mask;
+ old_mask = ah->ah_imr;
+
/*
* Disable card interrupts to prevent any race conditions
- * (they will be re-enabled afterwards).
+ * (they will be re-enabled afterwards if AR5K_INT GLOBAL
+ * is set again on the new mask).
*/
- ath5k_hw_reg_write(ah, AR5K_IER_DISABLE, AR5K_IER);
- ath5k_hw_reg_read(ah, AR5K_IER);
-
- old_mask = ah->ah_imr;
+ if (old_mask & AR5K_INT_GLOBAL) {
+ ath5k_hw_reg_write(ah, AR5K_IER_DISABLE, AR5K_IER);
+ ath5k_hw_reg_read(ah, AR5K_IER);
+ }
/*
* Add additional, chipset-dependent interrupt mask flags
@@ -575,30 +641,64 @@ enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum ath5k_int new_mask)
*/
int_mask = new_mask & AR5K_INT_COMMON;
- if (new_mask & AR5K_INT_RX)
- int_mask |= AR5K_IMR_RXOK | AR5K_IMR_RXERR | AR5K_IMR_RXORN |
- AR5K_IMR_RXDESC;
-
- if (new_mask & AR5K_INT_TX)
- int_mask |= AR5K_IMR_TXOK | AR5K_IMR_TXERR | AR5K_IMR_TXDESC |
- AR5K_IMR_TXURN;
-
if (ah->ah_version != AR5K_AR5210) {
+ /* Preserve per queue TXURN interrupt mask */
+ u32 simr2 = ath5k_hw_reg_read(ah, AR5K_SIMR2)
+ & AR5K_SIMR2_QCU_TXURN;
+
if (new_mask & AR5K_INT_FATAL) {
int_mask |= AR5K_IMR_HIUERR;
- AR5K_REG_ENABLE_BITS(ah, AR5K_SIMR2, AR5K_SIMR2_MCABT |
- AR5K_SIMR2_SSERR | AR5K_SIMR2_DPERR);
+ simr2 |= (AR5K_SIMR2_MCABT | AR5K_SIMR2_SSERR
+ | AR5K_SIMR2_DPERR);
}
+
+ /*Beacon Not Ready*/
+ if (new_mask & AR5K_INT_BNR)
+ int_mask |= AR5K_INT_BNR;
+
+ if (new_mask & AR5K_INT_TIM)
+ int_mask |= AR5K_IMR_TIM;
+
+ if (new_mask & AR5K_INT_TIM)
+ simr2 |= AR5K_SISR2_TIM;
+ if (new_mask & AR5K_INT_DTIM)
+ simr2 |= AR5K_SISR2_DTIM;
+ if (new_mask & AR5K_INT_DTIM_SYNC)
+ simr2 |= AR5K_SISR2_DTIM_SYNC;
+ if (new_mask & AR5K_INT_BCN_TIMEOUT)
+ simr2 |= AR5K_SISR2_BCN_TIMEOUT;
+ if (new_mask & AR5K_INT_CAB_TIMEOUT)
+ simr2 |= AR5K_SISR2_CAB_TIMEOUT;
+
+ if (new_mask & AR5K_INT_RX_DOPPLER)
+ int_mask |= AR5K_IMR_RXDOPPLER;
+
+ /* Note: Per queue interrupt masks
+ * are set via reset_tx_queue (qcu.c) */
+ ath5k_hw_reg_write(ah, int_mask, AR5K_PIMR);
+ ath5k_hw_reg_write(ah, simr2, AR5K_SIMR2);
+
+ } else {
+ if (new_mask & AR5K_INT_FATAL)
+ int_mask |= (AR5K_IMR_SSERR | AR5K_IMR_MCABT
+ | AR5K_IMR_HIUERR | AR5K_IMR_DPERR);
+
+ ath5k_hw_reg_write(ah, int_mask, AR5K_IMR);
}
- ath5k_hw_reg_write(ah, int_mask, AR5K_PIMR);
+ /* If RXNOFRM interrupt is masked disable it
+ * by setting AR5K_RXNOFRM to zero */
+ if (!(new_mask & AR5K_INT_RXNOFRM))
+ ath5k_hw_reg_write(ah, 0, AR5K_RXNOFRM);
/* Store new interrupt mask */
ah->ah_imr = new_mask;
- /* ..re-enable interrupts */
- ath5k_hw_reg_write(ah, AR5K_IER_ENABLE, AR5K_IER);
- ath5k_hw_reg_read(ah, AR5K_IER);
+ /* ..re-enable interrupts if AR5K_INT_GLOBAL is set */
+ if (new_mask & AR5K_INT_GLOBAL) {
+ ath5k_hw_reg_write(ah, AR5K_IER_ENABLE, AR5K_IER);
+ ath5k_hw_reg_read(ah, AR5K_IER);
+ }
return old_mask;
}
diff --git a/drivers/net/wireless/ath5k/initvals.c b/drivers/net/wireless/ath5k/initvals.c
index ceaa6c4..450bd6e 100644
--- a/drivers/net/wireless/ath5k/initvals.c
+++ b/drivers/net/wireless/ath5k/initvals.c
@@ -1681,7 +1681,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
*/
/* For AR5212 and combatible */
- if (ah->ah_version == AR5K_AR5212){
+ if (ah->ah_version == AR5K_AR5212) {
/* First set of mode-specific settings */
ath5k_hw_ini_mode_registers(ah,
@@ -1695,7 +1695,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
ar5212_ini, change_channel);
/* Second set of mode-specific settings */
- if (ah->ah_radio == AR5K_RF5111){
+ if (ah->ah_radio == AR5K_RF5111) {
ath5k_hw_ini_mode_registers(ah,
ARRAY_SIZE(ar5212_rf5111_ini_mode_end),
@@ -1706,7 +1706,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
ARRAY_SIZE(rf5111_ini_bbgain),
rf5111_ini_bbgain, change_channel);
- } else if (ah->ah_radio == AR5K_RF5112){
+ } else if (ah->ah_radio == AR5K_RF5112) {
ath5k_hw_ini_mode_registers(ah,
ARRAY_SIZE(ar5212_rf5112_ini_mode_end),
@@ -1716,7 +1716,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
ARRAY_SIZE(rf5112_ini_bbgain),
rf5112_ini_bbgain, change_channel);
- } else if (ah->ah_radio == AR5K_RF5413){
+ } else if (ah->ah_radio == AR5K_RF5413) {
ath5k_hw_ini_mode_registers(ah,
ARRAY_SIZE(rf5413_ini_mode_end),
diff --git a/drivers/net/wireless/ath5k/pcu.c b/drivers/net/wireless/ath5k/pcu.c
index a47df9a..d7f0c10 100644
--- a/drivers/net/wireless/ath5k/pcu.c
+++ b/drivers/net/wireless/ath5k/pcu.c
@@ -46,34 +46,45 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah)
{
u32 pcu_reg, beacon_reg, low_id, high_id;
- pcu_reg = 0;
+
+ /* Preserve rest settings */
+ pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000;
+ pcu_reg &= ~(AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_AP
+ | AR5K_STA_ID1_KEYSRCH_MODE
+ | (ah->ah_version == AR5K_AR5210 ?
+ (AR5K_STA_ID1_PWR_SV | AR5K_STA_ID1_NO_PSPOLL) : 0));
+
beacon_reg = 0;
ATH5K_TRACE(ah->ah_sc);
switch (ah->ah_op_mode) {
case NL80211_IFTYPE_ADHOC:
- pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_DESC_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
- AR5K_STA_ID1_NO_PSPOLL : 0);
+ pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_KEYSRCH_MODE;
beacon_reg |= AR5K_BCR_ADHOC;
+ if (ah->ah_version == AR5K_AR5210)
+ pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
+ else
+ AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_ADHOC);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
- pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_RTS_DEF_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
- AR5K_STA_ID1_NO_PSPOLL : 0);
+ pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_KEYSRCH_MODE;
beacon_reg |= AR5K_BCR_AP;
+ if (ah->ah_version == AR5K_AR5210)
+ pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
+ else
+ AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_ADHOC);
break;
case NL80211_IFTYPE_STATION:
- pcu_reg |= AR5K_STA_ID1_DEFAULT_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
+ pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
+ | (ah->ah_version == AR5K_AR5210 ?
AR5K_STA_ID1_PWR_SV : 0);
case NL80211_IFTYPE_MONITOR:
- pcu_reg |= AR5K_STA_ID1_DEFAULT_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
+ pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
+ | (ah->ah_version == AR5K_AR5210 ?
AR5K_STA_ID1_NO_PSPOLL : 0);
break;
@@ -130,6 +141,8 @@ void ath5k_hw_update_mib_counters(struct ath5k_hw *ah,
ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_RXCLR);
ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_CYCLE);
}
+
+ /* TODO: Handle ANI stats */
}
/**
@@ -254,6 +267,10 @@ void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac)
* @mac: The card's mac address
*
* Set station id on hw using the provided mac address
+ *
+ * NOTE: This is only called during attach, don't call it
+ * on reset because it overwrites all AR5K_STA_ID1 settings.
+ * We have set_opmode (above) for reset.
*/
int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
{
@@ -290,8 +307,10 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
* Set simple BSSID mask on 5212
*/
if (ah->ah_version == AR5K_AR5212) {
- ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM0);
- ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM1);
+ ath5k_hw_reg_write(ah, AR5K_LOW_ID(ah->ah_bssid_mask),
+ AR5K_BSS_IDM0);
+ ath5k_hw_reg_write(ah, AR5K_HIGH_ID(ah->ah_bssid_mask),
+ AR5K_BSS_IDM1);
}
/*
@@ -415,6 +434,9 @@ int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
u32 low_id, high_id;
ATH5K_TRACE(ah->ah_sc);
+ /* Cache bssid mask so that we can restore it
+ * on reset */
+ memcpy(ah->ah_bssid_mask, mask, ETH_ALEN);
if (ah->ah_version == AR5K_AR5212) {
low_id = AR5K_LOW_ID(mask);
high_id = AR5K_HIGH_ID(mask);
@@ -576,7 +598,7 @@ void ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter)
filter |= AR5K_RX_FILTER_PROM;
}
- /*Zero length DMA*/
+ /*Zero length DMA (phy error reporting) */
if (data)
AR5K_REG_ENABLE_BITS(ah, AR5K_RXCFG, AR5K_RXCFG_ZLFDMA);
else
@@ -661,7 +683,12 @@ void ath5k_hw_init_beacon(struct ath5k_hw *ah, u32 next_beacon, u32 interval)
* Set the additional timers by mode
*/
switch (ah->ah_op_mode) {
+ case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_STATION:
+ /* In STA mode timer1 is used as next wakeup
+ * timer and timer2 as next CFP duration start
+ * timer. Both in 1/8TUs. */
+ /* TODO: PCF handling */
if (ah->ah_version == AR5K_AR5210) {
timer1 = 0xffffffff;
timer2 = 0xffffffff;
@@ -669,27 +696,60 @@ void ath5k_hw_init_beacon(struct ath5k_hw *ah, u32 next_beacon, u32 interval)
timer1 = 0x0000ffff;
timer2 = 0x0007ffff;
}
+ /* Mark associated AP as PCF incapable for now */
+ AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, AR5K_STA_ID1_PCF);
break;
-
+ case NL80211_IFTYPE_ADHOC:
+ AR5K_REG_ENABLE_BITS(ah, AR5K_TXCFG, AR5K_TXCFG_ADHOC_BCN_ATIM);
default:
+ /* On non-STA modes timer1 is used as next DMA
+ * beacon alert (DBA) timer and timer2 as next
+ * software beacon alert. Both in 1/8TUs. */
timer1 = (next_beacon - AR5K_TUNE_DMA_BEACON_RESP) << 3;
timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) << 3;
+ break;
}
+ /* Timer3 marks the end of our ATIM window
+ * a zero length window is not allowed because
+ * we 'll get no beacons */
timer3 = next_beacon + (ah->ah_atim_window ? ah->ah_atim_window : 1);
/*
* Set the beacon register and enable all timers.
- * (next beacon, DMA beacon, software beacon, ATIM window time)
*/
- ath5k_hw_reg_write(ah, next_beacon, AR5K_TIMER0);
+ /* When in AP mode zero timer0 to start TSF */
+ if (ah->ah_op_mode == NL80211_IFTYPE_AP)
+ ath5k_hw_reg_write(ah, 0, AR5K_TIMER0);
+ else
+ ath5k_hw_reg_write(ah, next_beacon, AR5K_TIMER0);
ath5k_hw_reg_write(ah, timer1, AR5K_TIMER1);
ath5k_hw_reg_write(ah, timer2, AR5K_TIMER2);
ath5k_hw_reg_write(ah, timer3, AR5K_TIMER3);
+ /* Force a TSF reset if requested and enable beacons */
+ if (interval & AR5K_BEACON_RESET_TSF)
+ ath5k_hw_reset_tsf(ah);
+
ath5k_hw_reg_write(ah, interval & (AR5K_BEACON_PERIOD |
- AR5K_BEACON_RESET_TSF | AR5K_BEACON_ENABLE),
- AR5K_BEACON);
+ AR5K_BEACON_ENABLE),
+ AR5K_BEACON);
+
+ /* Flush any pending BMISS interrupts on ISR by
+ * performing a clear-on-write operation on PISR
+ * register for the BMISS bit (writing a bit on
+ * ISR togles a reset for that bit and leaves
+ * the rest bits intact) */
+ if (ah->ah_version == AR5K_AR5210)
+ ath5k_hw_reg_write(ah, AR5K_ISR_BMISS, AR5K_ISR);
+ else
+ ath5k_hw_reg_write(ah, AR5K_ISR_BMISS, AR5K_PISR);
+
+ /* TODO: Set enchanced sleep registers on AR5212
+ * based on vif->bss_conf params, until then
+ * disable power save reporting.*/
+ AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, AR5K_STA_ID1_PWR_SV);
+
}
#if 0
@@ -899,14 +959,26 @@ int ath5k_hw_beaconq_finish(struct ath5k_hw *ah, unsigned long phys_addr)
*/
int ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry)
{
- unsigned int i;
+ unsigned int i, type;
+ u16 micentry = entry + AR5K_KEYTABLE_MIC_OFFSET;
ATH5K_TRACE(ah->ah_sc);
AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE);
+ type = ath5k_hw_reg_read(ah, AR5K_KEYTABLE_TYPE(entry));
+
for (i = 0; i < AR5K_KEYCACHE_SIZE; i++)
ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_OFF(entry, i));
+ /* Reset associated MIC entry if TKIP
+ * is enabled located at offset (entry + 64) */
+ if (type == AR5K_KEYTABLE_TYPE_TKIP) {
+ AR5K_ASSERT_ENTRY(micentry, AR5K_KEYTABLE_SIZE);
+ for (i = 0; i < AR5K_KEYCACHE_SIZE / 2 ; i++)
+ ath5k_hw_reg_write(ah, 0,
+ AR5K_KEYTABLE_OFF(micentry, i));
+ }
+
/*
* Set NULL encryption on AR5212+
*
@@ -916,10 +988,16 @@ int ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry)
* Note2: Windows driver (ndiswrapper) sets this to
* 0x00000714 instead of 0x00000007
*/
- if (ah->ah_version > AR5K_AR5211)
+ if (ah->ah_version > AR5K_AR5211) {
ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL,
AR5K_KEYTABLE_TYPE(entry));
+ if (type == AR5K_KEYTABLE_TYPE_TKIP) {
+ ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL,
+ AR5K_KEYTABLE_TYPE(micentry));
+ }
+ }
+
return 0;
}
@@ -943,17 +1021,29 @@ int ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry,
const struct ieee80211_key_conf *key, const u8 *mac)
{
unsigned int i;
+ int keylen;
__le32 key_v[5] = {};
+ __le32 key0 = 0, key1 = 0;
+ __le32 *rxmic, *txmic;
u32 keytype;
+ u16 micentry = entry + AR5K_KEYTABLE_MIC_OFFSET;
+ bool is_tkip;
ATH5K_TRACE(ah->ah_sc);
- /* key->keylen comes in from mac80211 in bytes */
+ is_tkip = (key->alg == ALG_TKIP);
+
+ /*
+ * key->keylen comes in from mac80211 in bytes.
+ * TKIP is 128 bit + 128 bit mic
+ */
+ keylen = (is_tkip) ? (128 / 8) : key->keylen;
- if (key->keylen > AR5K_KEYTABLE_SIZE / 8)
+ if (entry > AR5K_KEYTABLE_SIZE ||
+ (is_tkip && micentry > AR5K_KEYTABLE_SIZE))
return -EOPNOTSUPP;
- switch (key->keylen) {
+ switch (keylen) {
/* WEP 40-bit = 40-bit entered key + 24 bit IV = 64-bit */
case 40 / 8:
memcpy(&key_v[0], key->key, 5);
@@ -967,24 +1057,66 @@ int ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry,
memcpy(&key_v[4], &key->key[12], 1);
keytype = AR5K_KEYTABLE_TYPE_104;
break;
- /* WEP 128-bit = 128-bit entered key + 24 bit IV = 152-bit */
+ /* WEP/TKIP 128-bit = 128-bit entered key + 24 bit IV = 152-bit */
case 128 / 8:
memcpy(&key_v[0], &key->key[0], 6);
memcpy(&key_v[2], &key->key[6], 6);
memcpy(&key_v[4], &key->key[12], 4);
- keytype = AR5K_KEYTABLE_TYPE_128;
+ keytype = is_tkip ?
+ AR5K_KEYTABLE_TYPE_TKIP :
+ AR5K_KEYTABLE_TYPE_128;
break;
default:
return -EINVAL; /* shouldn't happen */
}
+ /* intentionally corrupt key until mic is installed */
+ if (is_tkip) {
+ key0 = key_v[0] = ~key_v[0];
+ key1 = key_v[1] = ~key_v[1];
+ }
+
for (i = 0; i < ARRAY_SIZE(key_v); i++)
ath5k_hw_reg_write(ah, le32_to_cpu(key_v[i]),
AR5K_KEYTABLE_OFF(entry, i));
ath5k_hw_reg_write(ah, keytype, AR5K_KEYTABLE_TYPE(entry));
+ if (is_tkip) {
+ /* Install rx/tx MIC */
+ rxmic = (__le32 *) &key->key[16];
+ txmic = (__le32 *) &key->key[24];
+#if 0
+ /* MISC_MODE register & 0x04 - for mac srev >= griffin */
+ key_v[0] = rxmic[0];
+ key_v[1] = (txmic[0] >> 16) & 0xffff;
+ key_v[2] = rxmic[1];
+ key_v[3] = txmic[0] & 0xffff;
+ key_v[4] = txmic[1];
+#else
+ key_v[0] = rxmic[0];
+ key_v[1] = 0;
+ key_v[2] = rxmic[1];
+ key_v[3] = 0;
+ key_v[4] = 0;
+#endif
+ for (i = 0; i < ARRAY_SIZE(key_v); i++)
+ ath5k_hw_reg_write(ah, le32_to_cpu(key_v[i]),
+ AR5K_KEYTABLE_OFF(micentry, i));
+
+ ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL,
+ AR5K_KEYTABLE_TYPE(micentry));
+ ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_MAC0(micentry));
+ ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_MAC1(micentry));
+
+ /* restore first 2 words of key */
+ ath5k_hw_reg_write(ah, le32_to_cpu(~key0),
+ AR5K_KEYTABLE_OFF(entry, 0));
+ ath5k_hw_reg_write(ah, le32_to_cpu(~key1),
+ AR5K_KEYTABLE_OFF(entry, 1));
+ }
+
return ath5k_hw_set_key_lladdr(ah, entry, mac);
}
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index e43f656..69625bf 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1412,7 +1412,8 @@ static int ath5k_hw_rf5112_rfregs(struct ath5k_hw *ah,
rf_ini = rfregs_2112a;
rf_size = ARRAY_SIZE(rfregs_5112a);
if (mode < 2) {
- ATH5K_ERR(ah->ah_sc,"invalid channel mode: %i\n",mode);
+ ATH5K_ERR(ah->ah_sc, "invalid channel mode: %i\n",
+ mode);
return -EINVAL;
}
mode = mode - 2; /*no a/turboa modes for 2112*/
@@ -1708,7 +1709,7 @@ enum ath5k_rfgain ath5k_hw_get_rf_gain(struct ath5k_hw *ah)
if (ah->ah_radio >= AR5K_RF5112) {
ath5k_hw_rfregs_gainf_corr(ah);
ah->ah_gain.g_current =
- ah->ah_gain.g_current>=ah->ah_gain.g_f_corr ?
+ ah->ah_gain.g_current >= ah->ah_gain.g_f_corr ?
(ah->ah_gain.g_current-ah->ah_gain.g_f_corr) :
0;
}
diff --git a/drivers/net/wireless/ath5k/qcu.c b/drivers/net/wireless/ath5k/qcu.c
index 01bf091..1b7bc50 100644
--- a/drivers/net/wireless/ath5k/qcu.c
+++ b/drivers/net/wireless/ath5k/qcu.c
@@ -432,13 +432,30 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
if (tq->tqi_flags & AR5K_TXQ_FLAG_TXEOLINT_ENABLE)
AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txeol, queue);
+ if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRORNINT_ENABLE)
+ AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrorn, queue);
+
+ if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRURNINT_ENABLE)
+ AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrurn, queue);
+
+ if (tq->tqi_flags & AR5K_TXQ_FLAG_QTRIGINT_ENABLE)
+ AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_qtrig, queue);
+
+ if (tq->tqi_flags & AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE)
+ AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_nofrm, queue);
/* Update secondary interrupt mask registers */
+
+ /* Filter out inactive queues */
ah->ah_txq_imr_txok &= ah->ah_txq_status;
ah->ah_txq_imr_txerr &= ah->ah_txq_status;
ah->ah_txq_imr_txurn &= ah->ah_txq_status;
ah->ah_txq_imr_txdesc &= ah->ah_txq_status;
ah->ah_txq_imr_txeol &= ah->ah_txq_status;
+ ah->ah_txq_imr_cbrorn &= ah->ah_txq_status;
+ ah->ah_txq_imr_cbrurn &= ah->ah_txq_status;
+ ah->ah_txq_imr_qtrig &= ah->ah_txq_status;
+ ah->ah_txq_imr_nofrm &= ah->ah_txq_status;
ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txok,
AR5K_SIMR0_QCU_TXOK) |
@@ -448,8 +465,24 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
AR5K_SIMR1_QCU_TXERR) |
AR5K_REG_SM(ah->ah_txq_imr_txeol,
AR5K_SIMR1_QCU_TXEOL), AR5K_SIMR1);
- ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txurn,
- AR5K_SIMR2_QCU_TXURN), AR5K_SIMR2);
+ /* Update simr2 but don't overwrite rest simr2 settings */
+ AR5K_REG_DISABLE_BITS(ah, AR5K_SIMR2, AR5K_SIMR2_QCU_TXURN);
+ AR5K_REG_ENABLE_BITS(ah, AR5K_SIMR2,
+ AR5K_REG_SM(ah->ah_txq_imr_txurn,
+ AR5K_SIMR2_QCU_TXURN));
+ ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_cbrorn,
+ AR5K_SIMR3_QCBRORN) |
+ AR5K_REG_SM(ah->ah_txq_imr_cbrurn,
+ AR5K_SIMR3_QCBRURN), AR5K_SIMR3);
+ ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_qtrig,
+ AR5K_SIMR4_QTRIG), AR5K_SIMR4);
+ /* Set TXNOFRM_QCU for the queues with TXNOFRM enabled */
+ ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_nofrm,
+ AR5K_TXNOFRM_QCU), AR5K_TXNOFRM);
+ /* No queue has TXNOFRM enabled, disable the interrupt
+ * by setting AR5K_TXNOFRM to zero */
+ if (ah->ah_txq_imr_nofrm == 0)
+ ath5k_hw_reg_write(ah, 0, AR5K_TXNOFRM);
}
return 0;
diff --git a/drivers/net/wireless/ath5k/reg.h b/drivers/net/wireless/ath5k/reg.h
index e557fe1..69755fc 100644
--- a/drivers/net/wireless/ath5k/reg.h
+++ b/drivers/net/wireless/ath5k/reg.h
@@ -234,6 +234,7 @@
#define AR5K_TXNOFRM 0x004c
#define AR5K_TXNOFRM_M 0x000003ff
#define AR5K_TXNOFRM_QCU 0x000ffc00
+#define AR5K_TXNOFRM_QCU_S 10
/*
* Receive frame gap timeout register
@@ -350,7 +351,7 @@
#define AR5K_SISR3 0x0090 /* Register Address [5211+] */
#define AR5K_SISR3_QCBRORN 0x000003ff /* Mask for QCBRORN */
-#define AR5K_SISR3_QCBORN_S 0
+#define AR5K_SISR3_QCBRORN_S 0
#define AR5K_SISR3_QCBRURN 0x03ff0000 /* Mask for QCBRURN */
#define AR5K_SISR3_QCBRURN_S 16
@@ -1113,14 +1114,16 @@
#define AR5K_PCU_MAX 0x8fff
/*
- * First station id register (MAC address in lower 32 bits)
+ * First station id register (Lower 32 bits of MAC address)
*/
-#define AR5K_STA_ID0 0x8000
+#define AR5K_STA_ID0 0x8000
+#define AR5K_STA_ID0_ARRD_L32 0xffffffff
/*
- * Second station id register (MAC address in upper 16 bits)
+ * Second station id register (Upper 16 bits of MAC address + PCU settings)
*/
#define AR5K_STA_ID1 0x8004 /* Register Address */
+#define AR5K_STA_ID1_ADDR_U16 0x0000ffff /* Upper 16 bits of MAC addres */
#define AR5K_STA_ID1_AP 0x00010000 /* Set AP mode */
#define AR5K_STA_ID1_ADHOC 0x00020000 /* Set Ad-Hoc mode */
#define AR5K_STA_ID1_PWR_SV 0x00040000 /* Power save reporting */
@@ -1810,6 +1813,10 @@
#define AR5K_KEYTABLE_MAC1(_n) AR5K_KEYTABLE_OFF(_n, 7)
#define AR5K_KEYTABLE_VALID 0x00008000
+/* If key type is TKIP and MIC is enabled
+ * MIC key goes in offset entry + 64 */
+#define AR5K_KEYTABLE_MIC_OFFSET 64
+
/* WEP 40-bit = 40-bit entered key + 24 bit IV = 64-bit
* WEP 104-bit = 104-bit entered key + 24-bit IV = 128-bit
* WEP 128-bit = 128-bit entered key + 24 bit IV = 152-bit
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 1b6d45b..b51bc03 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -864,8 +864,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
/* Pre-enable interrupts on 5211/5212*/
if (ah->ah_version != AR5K_AR5210)
- ath5k_hw_set_imr(ah, AR5K_INT_RX | AR5K_INT_TX |
- AR5K_INT_FATAL);
+ ath5k_hw_set_imr(ah, ah->ah_imr);
/*
* Set RF kill flags if supported by the device (read from the EEPROM)