From 868be35105a6cee47ade2d644241778e01836ea5 Mon Sep 17 00:00:00 2001 From: nbd Date: Sat, 10 Mar 2012 12:59:36 +0000 Subject: 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 --- .../patches/542-ath9k_fix_half_quarter_sifs.patch | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 package/mac80211/patches/542-ath9k_fix_half_quarter_sifs.patch (limited to 'package/mac80211/patches/542-ath9k_fix_half_quarter_sifs.patch') diff --git a/package/mac80211/patches/542-ath9k_fix_half_quarter_sifs.patch b/package/mac80211/patches/542-ath9k_fix_half_quarter_sifs.patch new file mode 100644 index 000000000..6bde7659f --- /dev/null +++ b/package/mac80211/patches/542-ath9k_fix_half_quarter_sifs.patch @@ -0,0 +1,44 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1007,31 +1007,35 @@ void ath9k_hw_init_global_settings(struc + if (IS_CHAN_HALF_RATE(chan)) { + eifs = 175; + +- if (!AR_SREV_9300_20_OR_LATER(ah)) ++ if (!AR_SREV_9300_20_OR_LATER(ah)) { + rx_lat = 10; +- else ++ sifstime = 8; ++ } else { + rx_lat *= 2; ++ sifstime = 32; ++ } + + tx_lat *= 2; + if (IS_CHAN_A_FAST_CLOCK(ah, chan)) + tx_lat += 11; + + slottime = 13; +- sifstime = 32; + } else if (IS_CHAN_QUARTER_RATE(chan)) { + eifs = 340; + +- if (!AR_SREV_9300_20_OR_LATER(ah)) ++ if (!AR_SREV_9300_20_OR_LATER(ah)) { + rx_lat = 20; +- else ++ sifstime = 8; ++ } else { + rx_lat = (rx_lat * 4) - 1; ++ sifstime = 64; ++ } + + tx_lat *= 4; + if (IS_CHAN_A_FAST_CLOCK(ah, chan)) + tx_lat += 22; + + slottime = 21; +- sifstime = 64; + } else { + if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { + eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO; -- cgit v1.2.3