Revert "mac80211/ath9k: fix duration calculation for short-guard-interval frames...
authorFelix Fietkau <nbd@openwrt.org>
Wed, 10 Mar 2010 01:17:23 +0000 (01:17 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Wed, 10 Mar 2010 01:17:23 +0000 (01:17 +0000)
It appears to be causing trouble at least with some clients.

SVN-Revision: 20115

package/mac80211/patches/560-minstrel_ht.patch
package/mac80211/patches/580-ath9k_fix_duration_calculation.patch [deleted file]

index 2f2aa9d..6c3d08e 100644 (file)
 +/* Transmission time for a packet containing (syms) symbols */
 +#define MCS_SYMBOL_TIME(sgi, syms)                                    \
 +      (sgi ?                                                          \
-+        ((syms) * 18 + 4) / 6 :       /* syms * 3.6 us */             \
++        ((syms) * 18 + 4) / 5 :       /* syms * 3.6 us */             \
 +        (syms) << 2                   /* syms * 4 us */               \
 +      )
 +
diff --git a/package/mac80211/patches/580-ath9k_fix_duration_calculation.patch b/package/mac80211/patches/580-ath9k_fix_duration_calculation.patch
deleted file mode 100644 (file)
index 219e4ee..0000000
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -27,9 +27,9 @@
- #define HT_STF                  4
- #define HT_LTF(_ns)             (4 * (_ns))
- #define SYMBOL_TIME(_ns)        ((_ns) << 2) /* ns * 4 us */
--#define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 5)  /* ns * 3.6 us */
-+#define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 6)  /* ns * 3.6 us */
- #define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2)
--#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18)
-+#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*6)-4)/18)
- #define OFDM_SIFS_TIME            16