package/madwifi/patches/420-diversity_fix.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -797,7 +797,6 @@ ath_attach(u_int16_t devid, struct net_d
   4                 break;
   5         }
   6
   7 -       sc->sc_setdefantenna = ath_setdefantenna;
   8         sc->sc_rc = ieee80211_rate_attach(sc, ratectl);
   9         if (sc->sc_rc == NULL) {
  10                 error = EIO;
  11 @@ -2624,9 +2623,6 @@ ath_init(struct net_device *dev)
  12         ath_radar_update(sc);
  13         ath_rp_flush(sc);
  14
  15 -       /* Set the default RX antenna; it may get lost on reset. */
  16 -       ath_setdefantenna(sc, sc->sc_defant);
  17 -
  18         /*
  19          * Setup the hardware after reset: the key cache
  20          * is filled as needed and the receive engine is
  21 @@ -3019,7 +3015,6 @@ ath_reset(struct net_device *dev)
  22         ath_setintmit(sc);
  23         ath_update_txpow(sc);           /* update tx power state */
  24         ath_radar_update(sc);
  25 -       ath_setdefantenna(sc, sc->sc_defant);
  26         if (ath_startrecv(sc) != 0)     /* restart recv */
  27                 EPRINTF(sc, "Unable to start receive logic.\n");
  28         if (sc->sc_softled)
  29 @@ -5353,27 +5348,6 @@ ath_beacon_send(struct ath_softc *sc, in
  30         } else if ((sc->sc_updateslot == COMMIT) && (sc->sc_slotupdate == slot))
  31                 ath_setslottime(sc);            /* commit change to hardware */
  32
  33 -       if ((!sc->sc_stagbeacons || slot == 0) && (!sc->sc_diversity)) {
  34 -               unsigned int otherant;
  35 -               /*
  36 -                * Check recent per-antenna transmit statistics and flip
  37 -                * the default rx antenna if noticeably more frames went out
  38 -                * on the non-default antenna.  Only do this if rx diversity
  39 -                * is off.
  40 -                * XXX assumes 2 antennae
  41 -                */
  42 -               otherant = sc->sc_defant & 1 ? 2 : 1;
  43 -               if (sc->sc_ant_tx[otherant] > sc->sc_ant_tx[sc->sc_defant] +
  44 -                               ATH_ANTENNA_DIFF) {
  45 -                       DPRINTF(sc, ATH_DEBUG_BEACON,
  46 -                               "Flip default antenna to %u, %u > %u\n",
  47 -                               otherant, sc->sc_ant_tx[otherant],
  48 -                               sc->sc_ant_tx[sc->sc_defant]);
  49 -                       ath_setdefantenna(sc, otherant);
  50 -               }
  51 -               sc->sc_ant_tx[1] = sc->sc_ant_tx[2] = 0;
  52 -       }
  53 -
  54         if (bfaddr != 0) {
  55                 /*
  56                  * Stop any current DMA and put the new frame(s) on the queue.
  57 @@ -6734,9 +6708,8 @@ ath_setdefantenna(struct ath_softc *sc,
  58  {
  59         struct ath_hal *ah = sc->sc_ah;
  60
  61 -       /* XXX block beacon interrupts */
  62 -       ath_hal_setdiversity(ah, (sc->sc_diversity != 0));
  63         ath_hal_setdefantenna(ah, antenna);
  64 +       ath_hal_setantennaswitch(ah, sc->sc_diversity ? 0 : antenna);
  65         if (sc->sc_defant != antenna)
  66                 sc->sc_stats.ast_ant_defswitch++;
  67         sc->sc_defant = antenna;
  68 @@ -11160,7 +11133,7 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
  69                                         break;
  70                                 }
  71                                 sc->sc_diversity = val;
  72 -                               ath_hal_setdiversity(ah, val);
  73 +                               ath_setdefantenna(sc, sc->sc_defant);
  74                                 break;
  75                         case ATH_TXINTRPERIOD:
  76                                 /* XXX: validate? */
  77 --- a/ath/if_athvar.h
  78 +++ b/ath/if_athvar.h
  79 @@ -640,7 +640,6 @@ struct ath_softc {
  80         spinlock_t sc_hal_lock;                 /* hardware access lock */
  81         struct ath_ratectrl *sc_rc;             /* tx rate control support */
  82         struct ath_tx99 *sc_tx99;               /* tx99 support */
  83 -       void (*sc_setdefantenna)(struct ath_softc *, u_int);
  84         const struct ath_hw_detect *sc_hwinfo;
  85
  86         unsigned int    sc_invalid:1;           /* being detached */