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Add a note about the magic values here; don't change them.

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This commit is contained in:
Adrian Chadd 2012-11-27 02:19:35 +00:00
parent 2cb6e9834f
commit a52b6c396b
1 changed files with 5 additions and 0 deletions
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5
sys/dev/ath/ath_hal/ah.h
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@ -777,6 +777,11 @@ typedef struct {
uint32_t bs_nexttbtt; /* next beacon in TU */
uint32_t bs_nextdtim; /* next DTIM in TU */
uint32_t bs_intval; /* beacon interval+flags */
/*
* HAL_BEACON_PERIOD, HAL_BEACON_ENA and HAL_BEACON_RESET_TSF
* are all 1:1 correspondances with the pre-11n chip AR_BEACON
* register.
*/
#define HAL_BEACON_PERIOD 0x0000ffff /* beacon interval period */
#define HAL_BEACON_PERIOD_TU8 0x0007ffff /* beacon interval, tu/8 */
#define HAL_BEACON_ENA 0x00800000 /* beacon xmit enable */