ath9k: fix 5/10 mhz channel bandwidth issues
authorFelix Fietkau <nbd@openwrt.org>
Mon, 5 Dec 2011 14:20:25 +0000 (14:20 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Mon, 5 Dec 2011 14:20:25 +0000 (14:20 +0000)
SVN-Revision: 29437

package/mac80211/patches/543-ath9k_fix_half_quarter_rx_latency.patch [new file with mode: 0644]
package/mac80211/patches/544-ath9k_fix_half_quarter_sifs.patch [new file with mode: 0644]

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 (file)
index 0000000..45246ea
--- /dev/null
@@ -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 (file)
index 0000000..6bde765
--- /dev/null
@@ -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;