Author: adrian
Date: Tue Nov 27 02:19:35 2012
New Revision: 243589
URL: http://svnweb.freebsd.org/changeset/base/243589
Log:
Add a note about the magic values here; don't change them.
Modified:
head/sys/dev/ath/ath_hal/ah.h
Modified: head/sys/dev/ath/ath_hal/ah.h
==============================================================================
--- head/sys/dev/ath/ath_hal/ah.h Tue Nov 27 02:18:41 2012
(r243588)
+++ head/sys/dev/ath/ath_hal/ah.h Tue Nov 27 02:19:35 2012
(r243589)
@@ -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 */
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