package/mac80211/patches/541-ath9k_rc_rate_table_cleanup.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
   2 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
   3 @@ -624,8 +624,6 @@ struct ath_softc {
   4         struct ath_rx rx;
   5         struct ath_tx tx;
   6         struct ath_beacon beacon;
   7 -       const struct ath_rate_table *cur_rate_table;
   8 -       enum wireless_mode cur_rate_mode;
   9         struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
  10
  11         struct ath_led radio_led;
  12 --- a/drivers/net/wireless/ath/ath9k/main.c
  13 +++ b/drivers/net/wireless/ath/ath9k/main.c
  14 @@ -19,36 +19,6 @@
  15  #include "ath9k.h"
  16  #include "btcoex.h"
  17
  18 -static void ath_cache_conf_rate(struct ath_softc *sc,
  19 -                               struct ieee80211_conf *conf)
  20 -{
  21 -       switch (conf->channel->band) {
  22 -       case IEEE80211_BAND_2GHZ:
  23 -               if (conf_is_ht20(conf))
  24 -                       sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
  25 -               else if (conf_is_ht40_minus(conf))
  26 -                       sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
  27 -               else if (conf_is_ht40_plus(conf))
  28 -                       sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
  29 -               else
  30 -                       sc->cur_rate_mode = ATH9K_MODE_11G;
  31 -               break;
  32 -       case IEEE80211_BAND_5GHZ:
  33 -               if (conf_is_ht20(conf))
  34 -                       sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
  35 -               else if (conf_is_ht40_minus(conf))
  36 -                       sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
  37 -               else if (conf_is_ht40_plus(conf))
  38 -                       sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
  39 -               else
  40 -                       sc->cur_rate_mode = ATH9K_MODE_11A;
  41 -               break;
  42 -       default:
  43 -               BUG_ON(1);
  44 -               break;
  45 -       }
  46 -}
  47 -
  48  static void ath_update_txpow(struct ath_softc *sc)
  49  {
  50         struct ath_hw *ah = sc->sc_ah;
  51 @@ -307,7 +277,6 @@ int ath_set_channel(struct ath_softc *sc
  52                 goto ps_restore;
  53         }
  54
  55 -       ath_cache_conf_rate(sc, &hw->conf);
  56         ath_update_txpow(sc);
  57         ath9k_hw_set_interrupts(ah, ah->imask);
  58
  59 @@ -1014,8 +983,6 @@ int ath_reset(struct ath_softc *sc, bool
  60          * that changes the channel so update any state that
  61          * might change as a result.
  62          */
  63 -       ath_cache_conf_rate(sc, &hw->conf);
  64 -
  65         ath_update_txpow(sc);
  66
  67         if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL)))
  68 @@ -1222,8 +1189,6 @@ static int ath9k_start(struct ieee80211_
  69         if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
  70                 ah->imask |= ATH9K_INT_CST;
  71
  72 -       ath_cache_conf_rate(sc, &hw->conf);
  73 -
  74         sc->sc_flags &= ~SC_OP_INVALID;
  75
  76         /* Disable BMISS interrupt when we're not associated */
  77 --- a/drivers/net/wireless/ath/ath9k/rc.c
  78 +++ b/drivers/net/wireless/ath/ath9k/rc.c
  79 @@ -791,7 +791,7 @@ static void ath_get_rate(void *priv, str
  80          */
  81         try_per_rate = 4;
  82
  83 -       rate_table = sc->cur_rate_table;
  84 +       rate_table = ath_rc_priv->rate_table;
  85         rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe);
  86
  87         /*
  88 @@ -1048,7 +1048,7 @@ static void ath_rc_update_ht(struct ath_
  89         int rate;
  90         u8 last_per;
  91         bool state_change = false;
  92 -       const struct ath_rate_table *rate_table = sc->cur_rate_table;
  93 +       const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
  94         int size = ath_rc_priv->rate_table_size;
  95
  96         if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
  97 @@ -1150,7 +1150,7 @@ static void ath_rc_tx_status(struct ath_
  98         u8 flags;
  99         u32 i = 0, rix;
 100
 101 -       rate_table = sc->cur_rate_table;
 102 +       rate_table = ath_rc_priv->rate_table;
 103
 104         /*
 105          * If the first rate is not the final index, there
 106 @@ -1231,7 +1231,6 @@ struct ath_rate_table *ath_choose_rate_t
 107         ath_print(common, ATH_DBG_CONFIG,
 108                   "Choosing rate table for mode: %d\n", mode);
 109
 110 -       sc->cur_rate_mode = mode;
 111         return hw_rate_table[mode];
 112  }
 113
 114 @@ -1303,7 +1302,6 @@ static void ath_rc_init(struct ath_softc
 115         ath_rc_priv->max_valid_rate = k;
 116         ath_rc_sort_validrates(rate_table, ath_rc_priv);
 117         ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
 118 -       sc->cur_rate_table = rate_table;
 119         ath_rc_priv->rate_table = rate_table;
 120
 121         ath_print(common, ATH_DBG_CONFIG,
 122 @@ -1439,8 +1437,9 @@ static void ath_tx_status(void *priv, st
 123                 }
 124         }
 125
 126 -       ath_debug_stat_rc(ath_rc_priv, ath_rc_get_rateindex(sc->cur_rate_table,
 127 -               &tx_info->status.rates[final_ts_idx]));
 128 +       ath_debug_stat_rc(ath_rc_priv,
 129 +               ath_rc_get_rateindex(ath_rc_priv->rate_table,
 130 +                       &tx_info->status.rates[final_ts_idx]));
 131  }
 132
 133  static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 134 @@ -1480,14 +1479,8 @@ static void ath_rate_init(void *priv, st
 135
 136         /* Choose rate table first */
 137
 138 -       if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) ||
 139 -           (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
 140 -           (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
 141 -               rate_table = ath_choose_rate_table(sc, sband->band,
 142 -                                     sta->ht_cap.ht_supported, is_cw40);
 143 -       } else {
 144 -               rate_table = hw_rate_table[sc->cur_rate_mode];
 145 -       }
 146 +       rate_table = ath_choose_rate_table(sc, sband->band,
 147 +                             sta->ht_cap.ht_supported, is_cw40);
 148
 149         ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi);
 150         ath_rc_init(sc, priv_sta, sband, sta, rate_table);
 151 @@ -1536,7 +1529,6 @@ static void ath_rate_update(void *priv,
 152                         ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
 153                                   "Operating HT Bandwidth changed to: %d\n",
 154                                   sc->hw->conf.channel_type);
 155 -                       sc->cur_rate_table = hw_rate_table[sc->cur_rate_mode];
 156                 }
 157         }
 158  }