package/madwifi/patches/341-minrate.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -1308,6 +1308,7 @@ ath_vap_create(struct ieee80211com *ic,
   4         vap->iv_key_update_begin = ath_key_update_begin;
   5         vap->iv_key_update_end = ath_key_update_end;
   6         vap->iv_maxrateindex = 0;
   7 +       vap->iv_minrateindex = 0;
   8         if (sc->sc_default_ieee80211_debug) {
   9                 /* User specified defaults for new VAPs were provided, so
  10                  * use those (only). */
  11 --- a/ath_rate/minstrel/minstrel.c
  12 +++ b/ath_rate/minstrel/minstrel.c
  13 @@ -638,9 +638,15 @@ ath_rate_ctl_reset(struct ath_softc *sc,
  14                         sn->rs_succ_hist        [x] = 0;
  15                         sn->rs_att_hist         [x] = 0;
  16                         sn->rs_this_tp          [x] = 0;
  17 -
  18 +                       if (vap->iv_minrateindex && vap->iv_minrateindex<ni->ni_rates.rs_nrates)
  19 +                       {
  20 +                       int idx = vap->iv_minrateindex;
  21 +                       sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
  22 +                       sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
  23 +                       }else{
  24                         sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
  25                         sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
  26 +                       }
  27                         if (sn->rates[x].rix == 0xff) {
  28                                 DPRINTF(sc, "%s: %s ignore bogus rix at %d\n",
  29                                         dev_info, __func__, x);
  30 @@ -649,7 +655,7 @@ ath_rate_ctl_reset(struct ath_softc *sc,
  31                         sn->rates[x].rateCode = rt->info[sn->rates[x].rix].rateCode;
  32                         sn->rates[x].shortPreambleRateCode =
  33                                 rt->info[sn->rates[x].rix].rateCode |
  34 -                               rt->info[sn->rates[x].rix].shortPreamble;
  35 +                               rt->info[sn->rates[x].rix].shortPreamble;
  36                 }
  37
  38                 ath_fill_sample_table(sn);
  39 --- a/ath_rate/sample/sample.c
  40 +++ b/ath_rate/sample/sample.c
  41 @@ -842,8 +842,15 @@ ath_rate_ctl_reset(struct ath_softc *sc,
  42                 sn->num_rates = vap->iv_maxrateindex;
  43
  44         for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
  45 -               sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
  46 -               sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
  47 +               if (vap->iv_minrateindex && vap->iv_minrateindex<ni->ni_rates.rs_nrates)
  48 +                       {
  49 +                       int idx = vap->iv_minrateindex;
  50 +                       sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
  51 +                       sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
  52 +                       }else{
  53 +                       sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
  54 +                       sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
  55 +                       }
  56                 if (sn->rates[x].rix == 0xff) {
  57                         DPRINTF(sc, ATH_DEBUG_RATE, "%s: %s ignore bogus rix at %u\n",
  58                                 dev_info, __func__, x);
  59 --- a/net80211/ieee80211_ioctl.h
  60 +++ b/net80211/ieee80211_ioctl.h
  61 @@ -642,6 +642,7 @@ enum {
  62         IEEE80211_PARAM_BEACON_MISS_THRESH      = 73,   /* Beacon miss threshold (in beacons) */
  63         IEEE80211_PARAM_BEACON_MISS_THRESH_MS   = 74,   /* Beacon miss threshold (in ms) */
  64         IEEE80211_PARAM_MAXRATE                 = 75,   /* Maximum rate (by table index) */
  65 +       IEEE80211_PARAM_MINRATE                 = 76,   /* Minimum rate (by table index) */
  66  };
  67
  68  #define        SIOCG80211STATS                 (SIOCDEVPRIVATE+2)
  69 --- a/net80211/ieee80211_var.h
  70 +++ b/net80211/ieee80211_var.h
  71 @@ -282,6 +282,7 @@ struct ieee80211vap {
  72         struct ieee80211_app_ie app_ie[IEEE80211_APPIE_NUM_OF_FRAME]; /* app-specified IEs by frame type */
  73         u_int32_t app_filter;                           /* filters which management frames are forwarded to app */
  74         u_int iv_maxrateindex;
  75 +       u_int iv_minrateindex;
  76  };
  77
  78  /* Debug functions need the defintion of struct ieee80211vap because iv_debug
  79 --- a/net80211/ieee80211_wireless.c
  80 +++ b/net80211/ieee80211_wireless.c
  81 @@ -2845,6 +2845,12 @@ ieee80211_ioctl_setparam(struct net_devi
  82                 else
  83                         vap->iv_maxrateindex = 0;
  84                 break;
  85 +       case IEEE80211_PARAM_MINRATE:
  86 +               if (value > 0)
  87 +                       vap->iv_minrateindex = value;
  88 +               else
  89 +                       vap->iv_minrateindex = 0;
  90 +               break;
  91  #ifdef ATH_REVERSE_ENGINEERING
  92         case IEEE80211_PARAM_DUMPREGS:
  93                 ieee80211_dump_registers(dev, info, w, extra);
  94 @@ -3183,6 +3189,9 @@ ieee80211_ioctl_getparam(struct net_devi
  95         case IEEE80211_PARAM_MAXRATE:
  96                 param[0] = vap->iv_maxrateindex;
  97                 break;
  98 +       case IEEE80211_PARAM_MINRATE:
  99 +               param[0] = vap->iv_minrateindex;
 100 +               break;
 101         default:
 102                 return -EOPNOTSUPP;
 103         }
 104 @@ -5623,6 +5632,10 @@ static const struct iw_priv_args ieee802
 105          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxrate"},
 106         {IEEE80211_PARAM_MAXRATE,
 107          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxrate"},
 108 +       {IEEE80211_PARAM_MINRATE,
 109 +        IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "minrate"},
 110 +       {IEEE80211_PARAM_MINRATE,
 111 +        0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"},
 112
 113  #ifdef ATH_REVERSE_ENGINEERING
 114         /*