package/madwifi/patches/438-poweroffset_sysctl.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -10476,11 +10476,11 @@ set_node_txpower(void *arg, struct ieee8
   4   * XXX: this function needs some locking to avoid being called
   5   * twice/interrupted. Returns the value actually stored. */
   6  static u_int32_t
   7 -ath_set_clamped_maxtxpower(struct ath_softc *sc,
   8 -               u_int32_t new_clamped_maxtxpower)
   9 +ath_set_clamped_maxtxpower(struct ath_softc *sc, u_int32_t new_txpwr)
  10  {
  11 -       new_clamped_maxtxpower -= sc->sc_poweroffset;
  12 -       (void)ath_hal_settxpowlimit(sc->sc_ah, new_clamped_maxtxpower);
  13 +       new_txpwr = ((new_txpwr < sc->sc_poweroffset) ? 0 :
  14 +               new_txpwr - sc->sc_poweroffset);
  15 +       (void)ath_hal_settxpowlimit(sc->sc_ah, new_txpwr);
  16         return ath_get_clamped_maxtxpower(sc);
  17  }
  18
  19 @@ -11031,6 +11031,7 @@ enum {
  20         ATH_DEBUG,
  21         ATH_TXANTENNA,
  22         ATH_RXANTENNA,
  23 +       ATH_POWEROFFSET,
  24         ATH_DIVERSITY,
  25         ATH_TXINTRPERIOD,
  26         ATH_FFTXQMIN,
  27 @@ -11311,6 +11312,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
  28                                 ath_debug_global = (val &  ATH_DEBUG_GLOBAL);
  29  #endif
  30                                 break;
  31 +                       case ATH_POWEROFFSET:
  32 +                               sc->sc_poweroffset = val;
  33 +                               break;
  34                         case ATH_TXANTENNA:
  35                                 /*
  36                                  * antenna can be:
  37 @@ -11478,6 +11482,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
  38                 case ATH_DEBUG:
  39                         val = sc->sc_debug | ath_debug_global;
  40                         break;
  41 +               case ATH_POWEROFFSET:
  42 +                       val = sc->sc_poweroffset;
  43 +                       break;
  44                 case ATH_TXANTENNA:
  45                         val = sc->sc_txantenna;
  46                         break;
  47 @@ -11619,6 +11626,12 @@ static const ctl_table ath_sysctl_templa
  48         },
  49  #endif
  50         { .ctl_name     = CTL_AUTO,
  51 +         .procname     = "poweroffset",
  52 +         .mode         = 0644,
  53 +         .proc_handler = ath_sysctl_halparam,
  54 +         .extra2       = (void *)ATH_POWEROFFSET,
  55 +       },
  56 +       { .ctl_name     = CTL_AUTO,
  57           .procname     = "txantenna",
  58           .mode         = 0644,
  59           .proc_handler = ath_sysctl_halparam,