diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-10 12:59:36 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-10 12:59:36 +0000 |
| commit | 868be35105a6cee47ade2d644241778e01836ea5 (patch) | |
| tree | 96118e5200ecef647aef4d04a32f5c878db5408b /package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch | |
| parent | 62d9e800de8a0df483d600263f80e14600751ac3 (diff) | |
mac80211: more patch reorganization, merge an upstream performance optimization patch
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30865 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch')
| -rw-r--r-- | package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch b/package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch new file mode 100644 index 000000000..45246ea46 --- /dev/null +++ b/package/mac80211/patches/541-ath9k_fix_half_quarter_rx_latency.patch @@ -0,0 +1,32 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1006,16 +1006,26 @@ void ath9k_hw_init_global_settings(struc + + if (IS_CHAN_HALF_RATE(chan)) { + eifs = 175; +- rx_lat *= 2; ++ ++ if (!AR_SREV_9300_20_OR_LATER(ah)) ++ rx_lat = 10; ++ else ++ rx_lat *= 2; ++ + tx_lat *= 2; + if (IS_CHAN_A_FAST_CLOCK(ah, chan)) +- tx_lat += 11; ++ tx_lat += 11; + + slottime = 13; + sifstime = 32; + } else if (IS_CHAN_QUARTER_RATE(chan)) { + eifs = 340; +- rx_lat = (rx_lat * 4) - 1; ++ ++ if (!AR_SREV_9300_20_OR_LATER(ah)) ++ rx_lat = 20; ++ else ++ rx_lat = (rx_lat * 4) - 1; ++ + tx_lat *= 4; + if (IS_CHAN_A_FAST_CLOCK(ah, chan)) + tx_lat += 22; |