move a few unmaintained packages from trunk to /packages

[openwrt/svn-archive/archive.git] / package / madwifi / patches / 375-atim_tsf_update.patch

diff --git a/package/madwifi/patches/375-atim_tsf_update.patch b/package/madwifi/patches/375-atim_tsf_update.patch
deleted file mode 100644 (file)
index d1313aa..0000000
--- a/package/madwifi/patches/375-atim_tsf_update.patch
+++ /dev/null
@@ -1,141 +0,0 @@
---- a/ath/if_ath.c
-+++ b/ath/if_ath.c
-@@ -161,6 +161,7 @@ static void ath_beacon_send(struct ath_s
- static void ath_beacon_return(struct ath_softc *, struct ath_buf *);
- static void ath_beacon_free(struct ath_softc *);
- static void ath_beacon_config(struct ath_softc *, struct ieee80211vap *);
-+static void ath_hw_beacon_stop(struct ath_softc *sc);
- static int ath_desc_alloc(struct ath_softc *);
- static void ath_desc_free(struct ath_softc *);
- static void ath_desc_swap(struct ath_desc *);
-@@ -2793,6 +2794,72 @@ ath_set_ack_bitrate(struct ath_softc *sc
-       return 1;
- }
- 
-+static void
-+ath_hw_beacon_stop(struct ath_softc *sc)
-+{
-+      HAL_BEACON_TIMERS btimers;
-+
-+      btimers.bt_intval = 0;
-+      btimers.bt_nexttbtt = 0;
-+      btimers.bt_nextdba = 0xffffffff;
-+      btimers.bt_nextswba = 0xffffffff;
-+      btimers.bt_nextatim = 0;
-+
-+      ath_hal_setbeacontimers(sc->sc_ah, &btimers);
-+}
-+
-+/* Fix up the ATIM window after TSF resync */
-+static int
-+ath_hw_check_atim(struct ath_softc *sc, int window, int intval)
-+{
-+#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;
-+      int dev = sc->sc_ah->ah_macType;
-+      unsigned int nbtt, atim;
-+      int is_5210 = 0;
-+
-+      /*
-+       * check if the ATIM window is still correct:
-+       *   1.) usually ATIM should be NBTT + window
-+       *   2.) nbtt already updated
-+       *   3.) nbtt already updated and has wrapped around
-+       *   4.) atim has wrapped around
-+       */
-+      switch(dev) {
-+      case 5210:
-+              nbtt = OS_REG_READ(ah, AR5K_TIMER0_5210);
-+              atim = OS_REG_READ(ah, AR5K_TIMER3_5210);
-+              is_5210 = 1;
-+              break;
-+      case 5211:
-+      case 5212:
-+              nbtt = OS_REG_READ(ah, AR5K_TIMER0_5211);
-+              atim = OS_REG_READ(ah, AR5K_TIMER3_5211);
-+              break;
-+      /* NB: 5416+ doesn't do ATIM in hw */
-+      case 5416:
-+      default:
-+              return 0;
-+      }
-+
-+      if ((atim - nbtt != window) &&                          /* 1.) */
-+          (nbtt - atim != intval - window) &&                 /* 2.) */
-+          ((nbtt | 0x10000) - atim != intval - window) &&     /* 3.) */
-+          ((atim | 0x10000) - nbtt != window)) {              /* 4.) */
-+              if (is_5210)
-+                      OS_REG_WRITE(ah, AR5K_TIMER3_5210, nbtt + window );
-+              else
-+                      OS_REG_WRITE(ah, AR5K_TIMER3_5211, nbtt + window );
-+              return atim - nbtt;
-+      }
-+
-+      return 0;
-+}
-+
-+
- /*
-  * Reset the hardware w/o losing operational state.  This is
-  * basically a more efficient way of doing ath_stop, ath_init,
-@@ -5294,6 +5361,7 @@ ath_beacon_config(struct ath_softc *sc,
-       u_int64_t tsf, hw_tsf;
-       u_int32_t tsftu, hw_tsftu;
-       u_int32_t intval, nexttbtt = 0;
-+      unsigned long flags;
-       int reset_tsf = 0;
- 
-       if (vap == NULL)
-@@ -5301,6 +5369,9 @@ ath_beacon_config(struct ath_softc *sc,
- 
-       ni = vap->iv_bss;
- 
-+      /* TSF calculation is timing critical - we don't want to be interrupted here */
-+      local_irq_save(flags);
-+
-       hw_tsf = ath_hal_gettsf64(ah);
-       tsf = le64_to_cpu(ni->ni_tstamp.tsf);
-       hw_tsftu = hw_tsf >> 10;
-@@ -5490,15 +5561,27 @@ ath_beacon_config(struct ath_softc *sc,
-                               <= ath_hal_sw_beacon_response_time)
-                       nexttbtt += intval;
-               sc->sc_nexttbtt = nexttbtt;
-+
-+              /* stop beacons before reconfiguring the timers to avoid race
-+               * conditions. ath_hal_beaconinit will start them again */
-+              ath_hw_beacon_stop(sc);
-+
-               ath_hal_beaconinit(ah, nexttbtt, intval);
-               if (intval & HAL_BEACON_RESET_TSF) {
-                       sc->sc_last_tsf = 0;
-               }
-               sc->sc_bmisscount = 0;
-               ath_hal_intrset(ah, sc->sc_imask);
-+
-+              if ((sc->sc_opmode == HAL_M_IBSS) && ath_hw_check_atim(sc, 1, intval & HAL_BEACON_PERIOD)) {
-+                      DPRINTF(sc, ATH_DEBUG_BEACON,
-+                              "fixed atim window after beacon init\n");
-+              }
-       }
- 
- ath_beacon_config_debug:
-+      local_irq_restore(flags);
-+
-       /* We print all debug messages here, in order to preserve the
-        * time critical aspect of this function */
-       DPRINTF(sc, ATH_DEBUG_BEACON,
-@@ -6401,6 +6484,11 @@ ath_recv_mgmt(struct ieee80211vap * vap,
-                       DPRINTF(sc, ATH_DEBUG_BEACON, 
-                               "Updated beacon timers\n");
-               }
-+              if ((sc->sc_opmode == HAL_M_IBSS) &&
-+                              IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid) &&
-+                              ath_hw_check_atim(sc, 1, vap->iv_bss->ni_intval)) {
-+                      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 &&