madwifi: add some beacon setup/update related fixes (based on Bruno Randolf's patchset)
authorFelix Fietkau <nbd@openwrt.org>
Thu, 31 Jul 2008 18:59:25 +0000 (18:59 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Thu, 31 Jul 2008 18:59:25 +0000 (18:59 +0000)
SVN-Revision: 12049

package/madwifi/patches/374-nbtt_fix.patch [new file with mode: 0644]
package/madwifi/patches/375-atim_tsf_update.patch [new file with mode: 0644]
package/madwifi/patches/376-beacon_update.patch [new file with mode: 0644]
package/madwifi/patches/406-monitor_r3711.patch
package/madwifi/patches/408-changeset_r3337.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
@@ -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,
diff --git a/package/madwifi/patches/375-atim_tsf_update.patch b/package/madwifi/patches/375-atim_tsf_update.patch
new file mode 100644 (file)
index 0000000..bbe380e
--- /dev/null
@@ -0,0 +1,59 @@
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -2785,6 +2785,44 @@
+       return 1;
+ }
++/* Fix up the ATIM window after TSF resync */
++static int
++ath_hw_check_atim(struct ath_softc *sc, int window)
++{
++#define AR5K_TIMER0_5210       0x802c  /* Next beacon time register */
++#define AR5K_TIMER0_5211       0x8028
++#define AR5K_TIMER3_5210       0x8038  /* End of ATIM window time register */
++#define AR5K_TIMER3_5211       0x8034
++      struct ath_hal *ah = sc->sc_ah;
++      unsigned int nbtt, atim;
++      int dev = ar_device(sc->devid);
++
++      switch(dev) {
++      case 5210:
++              nbtt = OS_REG_READ(ah, AR5K_TIMER0_5210);
++              atim = OS_REG_READ(ah, AR5K_TIMER3_5210);
++              if (atim - nbtt != window) {
++                      OS_REG_WRITE(ah, AR5K_TIMER3_5210, nbtt + window );
++                      return atim - nbtt;
++              }
++              break;
++      case 5211:
++      case 5212:
++              nbtt = OS_REG_READ(ah, AR5K_TIMER0_5211);
++              atim = OS_REG_READ(ah, AR5K_TIMER3_5211);
++              if (atim - nbtt != window) {
++                      OS_REG_WRITE(ah, AR5K_TIMER3_5211, nbtt + window );
++                      return atim - nbtt;
++              }
++              break;
++      /* NB: 5416+ doesn't do ATIM in hw */
++      default:
++              break;
++      }
++      return 0;
++}
++
++
+ /*
+  * Reset the hardware w/o losing operational state.  This is
+  * basically a more efficient way of doing ath_stop, ath_init,
+@@ -6391,6 +6429,11 @@
+                       DPRINTF(sc, ATH_DEBUG_BEACON, 
+                               "Updated beacon timers\n");
+               }
++              if ((sc->sc_opmode == IEEE80211_M_IBSS) &&
++                              IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid) &&
++                              ath_hw_check_atim(sc, 1)) {
++                      DPRINTF(sc, ATH_DEBUG_ANY, "Fixed ATIM window after beacon recv\n");
++              }
+               /* NB: Fall Through */
+       case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
+               if (vap->iv_opmode == IEEE80211_M_IBSS &&
diff --git a/package/madwifi/patches/376-beacon_update.patch b/package/madwifi/patches/376-beacon_update.patch
new file mode 100644 (file)
index 0000000..2b4f34b
--- /dev/null
@@ -0,0 +1,26 @@
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -5495,6 +5495,8 @@
+               ath_hal_intrset(ah, sc->sc_imask);
+               ath_set_beacon_cal(sc, 0);
+       } else {
++              unsigned long flags;
++
+               ath_hal_intrset(ah, 0);
+               if (reset_tsf)
+                       intval |= HAL_BEACON_RESET_TSF;
+@@ -5514,11 +5516,14 @@
+               ath_beacon_dturbo_config(vap, intval &
+                               ~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
+ #endif
++              local_irq_save(flags);
+               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);
++              local_irq_restore(flags);
++
+               if (intval & HAL_BEACON_RESET_TSF) {
+                       sc->sc_last_tsf = 0;
+               }
index d44a556..9f6ef59 100644 (file)
@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -6325,7 +6325,7 @@
+@@ -6371,7 +6371,7 @@
  
        /* Never copy the SKB, as it is ours on the RX side, and this is the 
         * last process on the TX side and we only modify our own headers. */
@@ -9,7 +9,7 @@
        if (tskb == NULL) {
                DPRINTF(sc, ATH_DEBUG_ANY,
                        "Dropping; ath_skb_removepad failed!\n");
-@@ -6333,6 +6333,8 @@
+@@ -6379,6 +6379,8 @@
        }
        
        ieee80211_input_monitor(ic, tskb, bf, tx, tsf, sc);
index de2eda2..13200ab 100644 (file)
@@ -10,7 +10,7 @@
  Please let us know if you think your name should be mentioned here!
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -2964,7 +2964,7 @@
+@@ -3002,7 +3002,7 @@
        struct ath_softc *sc = dev->priv;
        struct ath_hal *ah = sc->sc_ah;
        struct ieee80211_phy_params *ph = (struct ieee80211_phy_params *)