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ath9k: fix 5/10 mhz channel bandwidth issues

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SVN-Revision: 29437
This commit is contained in:
Felix Fietkau 2011-12-05 14:20:25 +00:00
parent aa63f0bef6
commit cdda13e194
2 changed files with 76 additions and 0 deletions
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32
package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch Normal file
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@ -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;

44
package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch Normal file
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@ -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;