madwifi: add some beacon setup/update related fixes (based on Bruno Randolf's patchset)

[openwrt.git] / package / madwifi / patches / 374-nbtt_fix.patch

diff --git a/package/madwifi/patches/374-nbtt_fix.patch b/package/madwifi/patches/374-nbtt_fix.patch
new file mode 100644 (file)
index 0000000..3b00f64
--- /dev/null
+++ b/package/madwifi/patches/374-nbtt_fix.patch
@@ -0,0 +1,22 @@
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -5476,6 +5476,9 @@
+               ath_beacon_dturbo_config(vap, intval &
+                               ~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
+ #endif
++              if ((nexttbtt & HAL_BEACON_PERIOD) - (ath_hal_gettsf32(ah) >> 10)
++                              <= ath_hal_sw_beacon_response_time)
++                      nexttbtt += intval;
+               sc->sc_nexttbtt = nexttbtt;
+               ath_hal_beaconinit(ah, nexttbtt, intval);
+               if (intval & HAL_BEACON_RESET_TSF) {
+--- a/ath_hal/ah_os.c
++++ b/ath_hal/ah_os.c
+@@ -71,6 +71,7 @@
+ int   ath_hal_dma_beacon_response_time = 2;   /* in TUs */
+ int   ath_hal_sw_beacon_response_time = 10;   /* in TUs */
+ int   ath_hal_additional_swba_backoff = 0;    /* in TUs */
++EXPORT_SYMBOL(ath_hal_sw_beacon_response_time);
+ 
+ struct ath_hal *
+ _ath_hal_attach(u_int16_t devid, HAL_SOFTC sc,