package/madwifi/patches/125-tpc_PR_1435.patch

   1 Index: madwifi-ng-r2568-20070710/ath/if_ath.c
   2 ===================================================================
   3 --- madwifi-ng-r2568-20070710.orig/ath/if_ath.c 2007-07-11 22:59:42.904293522 +0200
   4 +++ madwifi-ng-r2568-20070710/ath/if_ath.c      2007-07-11 22:59:44.052358947 +0200
   5 @@ -273,9 +273,7 @@
   6  static char *autocreate = NULL;
   7  static char *ratectl = DEF_RATE_CTL;
   8  static int rfkill = 0;
   9 -#ifdef ATH_CAP_TPC
  10  static int tpc = 0;
  11 -#endif
  12  static int countrycode = -1;
  13  static int outdoor = -1;
  14  static int xchanmode = -1;
  15 @@ -533,12 +531,6 @@
  16                 rfkill ? "on" : "off");
  17         ath_hal_setrfsilent(ah, rfkill);
  18
  19 -#ifdef ATH_CAP_TPC
  20 -       printk(KERN_INFO "ath_pci: ath_pci: switching per-packet transmit power control %s\n",
  21 -               tpc ? "on" : "off");
  22 -       ath_hal_settpc(ah, tpc);
  23 -#endif
  24 -
  25         /*
  26          * Setup rate tables for all potential media types.
  27          */
  28 @@ -818,11 +810,18 @@
  29          */
  30  #ifdef ATH_CAP_TPC
  31         sc->sc_hastpc = ath_hal_hastpc(ah);
  32 -       if (sc->sc_hastpc || ath_hal_hastxpowlimit(ah))
  33 +       if(tpc && !sc->sc_hastpc) {
  34 +               printk(KERN_WARNING "ath_pci: WARNING: per-packet transmit power control was requested, but is not supported by the hardware.\n");
  35 +               tpc = 0;
  36 +       }
  37 +       printk(KERN_INFO "ath_pci: switching per-packet transmit power control %s\n",
  38 +               tpc ? "on" : "off");
  39 +       ath_hal_settpc(ah, tpc);
  40  #else
  41         sc->sc_hastpc = 0;
  42 -       if (ath_hal_hastxpowlimit(ah))
  43 +       tpc = 0; /* TPC is always zero, when compiled without ATH_CAP_TPC */
  44  #endif
  45 +       if (sc->sc_hastpc || ath_hal_hastxpowlimit(ah))
  46                 ic->ic_caps |= IEEE80211_C_TXPMGT;
  47
  48         /*
  49 @@ -1836,7 +1835,7 @@
  50         ath_stop_locked(dev);
  51
  52  #ifdef ATH_CAP_TPC
  53 -       /* Re-enable after suspend (?) */
  54 +       /* Re-enable after suspend */
  55         ath_hal_settpc(ah, tpc);
  56  #endif
  57
  58 @@ -8787,26 +8786,17 @@
  59          * Search for the VAP that needs a txpow change, if any
  60          */
  61         TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
  62 -#ifdef ATH_CAP_TPC
  63 -               if (ic->ic_newtxpowlimit == vap->iv_bss->ni_txpower) {
  64 +               if (!tpc || ic->ic_newtxpowlimit >= vap->iv_bss->ni_txpower) {
  65                         vap->iv_bss->ni_txpower = clamped_txpow;
  66                         ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, set_node_txpower, &clamped_txpow);
  67                 }
  68 -#else
  69 -               vap->iv_bss->ni_txpower = clamped_txpow;
  70 -               ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, set_node_txpower, &clamped_txpow);
  71 -#endif
  72         }
  73
  74         ic->ic_newtxpowlimit = sc->sc_curtxpow = clamped_txpow;
  75
  76 -#ifdef ATH_CAP_TPC
  77 -       if (ic->ic_newtxpowlimit >= txpowlimit)
  78 -               ath_hal_settxpowlimit(ah, ic->ic_newtxpowlimit);
  79 -#else
  80 -       if (ic->ic_newtxpowlimit != txpowlimit)
  81 +       if ((tpc && ic->ic_newtxpowlimit >= txpowlimit) ||
  82 +           (ic->ic_newtxpowlimit != txpowlimit))
  83                 ath_hal_settxpowlimit(ah, ic->ic_newtxpowlimit);
  84 -#endif
  85  }
  86
  87