diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-10 01:09:17 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-10 01:09:17 +0000 |
| commit | 1c152af974b5266783436bae1446911fac47d661 (patch) | |
| tree | 52f2cd72ac695acef989fa277d3bab5b7361b555 | |
| parent | df65c7217b01b9d43e86fb7bafc792dd04513f59 (diff) | |
mac80211/ath9k: fix duration calculation for short-guard-interval frames (thanks to Duy Nguyen for pointing this out)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20114 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | package/mac80211/patches/560-minstrel_ht.patch | 2 | ||||
| -rw-r--r-- | package/mac80211/patches/580-ath9k_fix_duration_calculation.patch | 14 |
2 files changed, 15 insertions, 1 deletions
diff --git a/package/mac80211/patches/560-minstrel_ht.patch b/package/mac80211/patches/560-minstrel_ht.patch index 6c3d08eac..2f2aa9d39 100644 --- a/package/mac80211/patches/560-minstrel_ht.patch +++ b/package/mac80211/patches/560-minstrel_ht.patch @@ -100,7 +100,7 @@ +/* Transmission time for a packet containing (syms) symbols */ +#define MCS_SYMBOL_TIME(sgi, syms) \ + (sgi ? \ -+ ((syms) * 18 + 4) / 5 : /* syms * 3.6 us */ \ ++ ((syms) * 18 + 4) / 6 : /* 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 new file mode 100644 index 000000000..219e4ee36 --- /dev/null +++ b/package/mac80211/patches/580-ath9k_fix_duration_calculation.patch @@ -0,0 +1,14 @@ +--- 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 + |