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ath9k: Fix wifi disconnection when collocated bt scan is active

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As all bt packets are priority traffic during bt scan, wifi
will get disconnected when bt scan lasts for few seconds. Fix
this by allocating 10% of bt period time (4.5ms) to wifi fully.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan
2010-01-21 11:17:27 +05:30
committed by John W. Linville
parent a951ae2176
commit 58da1318ee
4 changed files with 29 additions and 11 deletions
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2
drivers/net/wireless/ath/ath9k/ath9k.h
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@ -364,6 +364,7 @@ struct ath_btcoex {
int bt_stomp_type; /* Types of BT stomping */
u32 btcoex_no_stomp; /* in usec */
u32 btcoex_period; /* in usec */
u32 btscan_no_stomp; /* in usec */
struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
};
@ -429,6 +430,7 @@ void ath_deinit_leds(struct ath_softc *sc);
#define SC_OP_SCANNING BIT(10)
#define SC_OP_TSF_RESET BIT(11)
#define SC_OP_BT_PRIORITY_DETECTED BIT(12)
#define SC_OP_BT_SCAN BIT(13)
/* Powersave flags */
#define PS_WAIT_FOR_BEACON BIT(0)