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path: root/drivers/net/wireless/ath/ath9k/beacon.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index d4d8ceced89b..0d13ff74a68b 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -14,6 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include <linux/dma-mapping.h>
#include "ath9k.h"
#define FUDGE 2
@@ -360,6 +361,7 @@ void ath_beacon_tasklet(unsigned long data)
struct ath_common *common = ath9k_hw_common(ah);
struct ath_buf *bf = NULL;
struct ieee80211_vif *vif;
+ struct ath_tx_status ts;
int slot;
u32 bfaddr, bc = 0;
@@ -384,7 +386,9 @@ void ath_beacon_tasklet(unsigned long data)
ath_dbg(common, ATH_DBG_BSTUCK,
"beacon is officially stuck\n");
sc->sc_flags |= SC_OP_TSF_RESET;
+ spin_lock(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock(&sc->sc_pcu_lock);
}
return;
@@ -464,6 +468,11 @@ void ath_beacon_tasklet(unsigned long data)
ath9k_hw_txstart(ah, sc->beacon.beaconq);
sc->beacon.ast_be_xmit += bc; /* XXX per-vif? */
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+ spin_lock_bh(&sc->sc_pcu_lock);
+ ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
+ spin_unlock_bh(&sc->sc_pcu_lock);
+ }
}
}
@@ -496,7 +505,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
u32 nexttbtt, intval;
/* NB: the beacon interval is kept internally in TU's */
- intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
+ intval = TU_TO_USEC(conf->beacon_interval);
intval /= ATH_BCBUF; /* for staggered beacons */
nexttbtt = intval;
@@ -543,7 +552,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
}
memset(&bs, 0, sizeof(bs));
- intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
+ intval = conf->beacon_interval;
/*
* Setup dtim and cfp parameters according to
@@ -652,22 +661,13 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
- u32 tsf, delta, intval, nexttbtt;
+ u32 tsf, intval, nexttbtt;
ath9k_reset_beacon_status(sc);
- tsf = ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE);
- intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
-
- if (!sc->beacon.bc_tstamp)
- nexttbtt = tsf + intval;
- else {
- if (tsf > sc->beacon.bc_tstamp)
- delta = (tsf - sc->beacon.bc_tstamp);
- else
- delta = (tsf + 1 + (~0U - sc->beacon.bc_tstamp));
- nexttbtt = tsf + intval - (delta % intval);
- }
+ intval = TU_TO_USEC(conf->beacon_interval);
+ tsf = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);
+ nexttbtt = tsf + intval;
ath_dbg(common, ATH_DBG_BEACON,
"IBSS nexttbtt %u intval %u (%u)\n",