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authorFelix Fietkau <nbd@openwrt.org>2011-12-05 14:20:25 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-12-05 14:20:25 +0000
commitcdda13e19428baa21ad34479267e65e8d12a2de6 (patch)
treed23d4fe35afabdba909f9bdd9b49d97dd5c22546
parentaa63f0bef6a965aa2248409ce0c094fed475b20b (diff)
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ath9k: fix 5/10 mhz channel bandwidth issues
SVN-Revision: 29437
-rw-r--r--package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch32
-rw-r--r--package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch44
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;