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path: root/drivers/net/wireless/ath/ath5k/base.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c84
1 files changed, 67 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 349a5963931b..b6c5d3715b96 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -72,6 +72,11 @@ static int modparam_all_channels;
module_param_named(all_channels, modparam_all_channels, bool, S_IRUGO);
MODULE_PARM_DESC(all_channels, "Expose all channels the device can use.");
+static int modparam_fastchanswitch;
+module_param_named(fastchanswitch, modparam_fastchanswitch, bool, S_IRUGO);
+MODULE_PARM_DESC(fastchanswitch, "Enable fast channel switching for AR2413/AR5413 radios.");
+
+
/* Module info */
MODULE_AUTHOR("Jiri Slaby");
MODULE_AUTHOR("Nick Kossifidis");
@@ -1444,6 +1449,21 @@ ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs)
}
static void
+ath5k_set_current_imask(struct ath5k_softc *sc)
+{
+ enum ath5k_int imask = sc->imask;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sc->irqlock, flags);
+ if (sc->rx_pending)
+ imask &= ~AR5K_INT_RX_ALL;
+ if (sc->tx_pending)
+ imask &= ~AR5K_INT_TX_ALL;
+ ath5k_hw_set_imr(sc->ah, imask);
+ spin_unlock_irqrestore(&sc->irqlock, flags);
+}
+
+static void
ath5k_tasklet_rx(unsigned long data)
{
struct ath5k_rx_status rs = {};
@@ -1506,6 +1526,8 @@ next:
} while (ath5k_rxbuf_setup(sc, bf) == 0);
unlock:
spin_unlock(&sc->rxbuflock);
+ sc->rx_pending = false;
+ ath5k_set_current_imask(sc);
}
@@ -1573,28 +1595,28 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
struct ath5k_txq *txq, struct ath5k_tx_status *ts)
{
struct ieee80211_tx_info *info;
+ u8 tries[3];
int i;
sc->stats.tx_all_count++;
sc->stats.tx_bytes_count += skb->len;
info = IEEE80211_SKB_CB(skb);
+ tries[0] = info->status.rates[0].count;
+ tries[1] = info->status.rates[1].count;
+ tries[2] = info->status.rates[2].count;
+
ieee80211_tx_info_clear_status(info);
- for (i = 0; i < 4; i++) {
+
+ for (i = 0; i < ts->ts_final_idx; i++) {
struct ieee80211_tx_rate *r =
&info->status.rates[i];
- if (ts->ts_rate[i]) {
- r->idx = ath5k_hw_to_driver_rix(sc, ts->ts_rate[i]);
- r->count = ts->ts_retry[i];
- } else {
- r->idx = -1;
- r->count = 0;
- }
+ r->count = tries[i];
}
- /* count the successful attempt as well */
- info->status.rates[ts->ts_final_idx].count++;
+ info->status.rates[ts->ts_final_idx].count = ts->ts_final_retry;
+ info->status.rates[ts->ts_final_idx + 1].idx = -1;
if (unlikely(ts->ts_status)) {
sc->stats.ack_fail++;
@@ -1609,6 +1631,9 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
} else {
info->flags |= IEEE80211_TX_STAT_ACK;
info->status.ack_signal = ts->ts_rssi;
+
+ /* count the successful attempt as well */
+ info->status.rates[ts->ts_final_idx].count++;
}
/*
@@ -1690,6 +1715,9 @@ ath5k_tasklet_tx(unsigned long data)
for (i=0; i < AR5K_NUM_TX_QUEUES; i++)
if (sc->txqs[i].setup && (sc->ah->ah_txq_isr & BIT(i)))
ath5k_tx_processq(sc, &sc->txqs[i]);
+
+ sc->tx_pending = false;
+ ath5k_set_current_imask(sc);
}
@@ -2119,6 +2147,20 @@ ath5k_intr_calibration_poll(struct ath5k_hw *ah)
* AR5K_REG_ENABLE_BITS(ah, AR5K_CR, AR5K_CR_SWI); */
}
+static void
+ath5k_schedule_rx(struct ath5k_softc *sc)
+{
+ sc->rx_pending = true;
+ tasklet_schedule(&sc->rxtq);
+}
+
+static void
+ath5k_schedule_tx(struct ath5k_softc *sc)
+{
+ sc->tx_pending = true;
+ tasklet_schedule(&sc->txtq);
+}
+
irqreturn_t
ath5k_intr(int irq, void *dev_id)
{
@@ -2161,7 +2203,7 @@ ath5k_intr(int irq, void *dev_id)
ieee80211_queue_work(sc->hw, &sc->reset_work);
}
else
- tasklet_schedule(&sc->rxtq);
+ ath5k_schedule_rx(sc);
} else {
if (status & AR5K_INT_SWBA) {
tasklet_hi_schedule(&sc->beacontq);
@@ -2179,10 +2221,10 @@ ath5k_intr(int irq, void *dev_id)
ath5k_hw_update_tx_triglevel(ah, true);
}
if (status & (AR5K_INT_RXOK | AR5K_INT_RXERR))
- tasklet_schedule(&sc->rxtq);
+ ath5k_schedule_rx(sc);
if (status & (AR5K_INT_TXOK | AR5K_INT_TXDESC
| AR5K_INT_TXERR | AR5K_INT_TXEOL))
- tasklet_schedule(&sc->txtq);
+ ath5k_schedule_tx(sc);
if (status & AR5K_INT_BMISS) {
/* TODO */
}
@@ -2201,6 +2243,9 @@ ath5k_intr(int irq, void *dev_id)
} while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
+ if (sc->rx_pending || sc->tx_pending)
+ ath5k_set_current_imask(sc);
+
if (unlikely(!counter))
ATH5K_WARN(sc, "too many interrupts, giving up for now\n");
@@ -2354,7 +2399,7 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
spin_lock_init(&sc->rxbuflock);
spin_lock_init(&sc->txbuflock);
spin_lock_init(&sc->block);
-
+ spin_lock_init(&sc->irqlock);
/* Setup interrupt handler */
ret = request_irq(sc->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
@@ -2572,6 +2617,8 @@ done:
static void stop_tasklets(struct ath5k_softc *sc)
{
+ sc->rx_pending = false;
+ sc->tx_pending = false;
tasklet_kill(&sc->rxtq);
tasklet_kill(&sc->txtq);
tasklet_kill(&sc->calib);
@@ -2644,6 +2691,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
struct ath5k_hw *ah = sc->ah;
struct ath_common *common = ath5k_hw_common(ah);
int ret, ani_mode;
+ bool fast;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
@@ -2663,7 +2711,10 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
ath5k_drain_tx_buffs(sc);
if (chan)
sc->curchan = chan;
- ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL,
+
+ fast = ((chan != NULL) && modparam_fastchanswitch) ? 1 : 0;
+
+ ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast,
skip_pcu);
if (ret) {
ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
@@ -2838,7 +2889,7 @@ ath5k_init(struct ieee80211_hw *hw)
INIT_WORK(&sc->reset_work, ath5k_reset_work);
INIT_DELAYED_WORK(&sc->tx_complete_work, ath5k_tx_complete_poll_work);
- ret = ath5k_eeprom_read_mac(ah, mac);
+ ret = ath5k_hw_common(ah)->bus_ops->eeprom_read_mac(ah, mac);
if (ret) {
ATH5K_ERR(sc, "unable to read address from EEPROM\n");
goto err_queues;
@@ -2898,7 +2949,6 @@ ath5k_deinit_softc(struct ath5k_softc *sc)
* XXX: ??? detach ath5k_hw ???
* Other than that, it's straightforward...
*/
- ath5k_debug_finish_device(sc);
ieee80211_unregister_hw(hw);
ath5k_desc_free(sc);
ath5k_txq_release(sc);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 09:09:13 +0100