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| author | Felix Fietkau <nbd@openwrt.org> | 2011-12-05 14:20:25 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-12-05 14:20:25 +0000 |
| commit | cdda13e19428baa21ad34479267e65e8d12a2de6 (patch) | |
| tree | d23d4fe35afabdba909f9bdd9b49d97dd5c22546 /package/mac80211/patches | |
| parent | aa63f0bef6a965aa2248409ce0c094fed475b20b (diff) | |
| download | upstream-cdda13e19428baa21ad34479267e65e8d12a2de6.tar.gz upstream-cdda13e19428baa21ad34479267e65e8d12a2de6.tar.bz2 upstream-cdda13e19428baa21ad34479267e65e8d12a2de6.zip | |
ath9k: fix 5/10 mhz channel bandwidth issues
SVN-Revision: 29437
Diffstat (limited to 'package/mac80211/patches')
| -rw-r--r-- | package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch | 32 | ||||
| -rw-r--r-- | package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch | 44 |
2 files changed, 76 insertions, 0 deletions
diff --git a/package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch b/package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch new file mode 100644 index 0000000000..45246ea468 --- /dev/null +++ b/package/mac80211/patches/543-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; diff --git a/package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch b/package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch new file mode 100644 index 0000000000..6bde7659f2 --- /dev/null +++ b/package/mac80211/patches/544-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; |