target/linux/generic/patches-3.12/750-hostap_txpower.patch

   1 --- a/drivers/net/wireless/hostap/hostap_ap.c
   2 +++ b/drivers/net/wireless/hostap/hostap_ap.c
   3 @@ -2403,13 +2403,13 @@ int prism2_ap_get_sta_qual(local_info_t
   4                 addr[count].sa_family = ARPHRD_ETHER;
   5                 memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
   6                 if (sta->last_rx_silence == 0)
   7 -                       qual[count].qual = sta->last_rx_signal < 27 ?
   8 -                               0 : (sta->last_rx_signal - 27) * 92 / 127;
   9 +                        qual[count].qual = (sta->last_rx_signal - 156) == 0 ?
  10 +                                0 : (sta->last_rx_signal - 156) * 92 / 64;
  11                 else
  12 -                       qual[count].qual = sta->last_rx_signal -
  13 -                               sta->last_rx_silence - 35;
  14 -               qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
  15 -               qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
  16 +                        qual[count].qual = (sta->last_rx_signal -
  17 +                                sta->last_rx_silence) * 92 / 64;
  18 +                qual[count].level = sta->last_rx_signal;
  19 +                qual[count].noise = sta->last_rx_silence;
  20                 qual[count].updated = sta->last_rx_updated;
  21
  22                 sta->last_rx_updated = IW_QUAL_DBM;
  23 @@ -2475,13 +2475,13 @@ int prism2_ap_translate_scan(struct net_
  24                 memset(&iwe, 0, sizeof(iwe));
  25                 iwe.cmd = IWEVQUAL;
  26                 if (sta->last_rx_silence == 0)
  27 -                       iwe.u.qual.qual = sta->last_rx_signal < 27 ?
  28 -                               0 : (sta->last_rx_signal - 27) * 92 / 127;
  29 +                       iwe.u.qual.qual = (sta->last_rx_signal -156) == 0 ?
  30 +                               0 : (sta->last_rx_signal - 156) * 92 / 64;
  31                 else
  32 -                       iwe.u.qual.qual = sta->last_rx_signal -
  33 -                               sta->last_rx_silence - 35;
  34 -               iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
  35 -               iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
  36 +                        iwe.u.qual.qual = (sta->last_rx_signal -
  37 +                                sta->last_rx_silence) * 92 / 64;
  38 +                iwe.u.qual.level = sta->last_rx_signal;
  39 +                iwe.u.qual.noise = sta->last_rx_silence;
  40                 iwe.u.qual.updated = sta->last_rx_updated;
  41                 iwe.len = IW_EV_QUAL_LEN;
  42                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
  43 --- a/drivers/net/wireless/hostap/hostap_config.h
  44 +++ b/drivers/net/wireless/hostap/hostap_config.h
  45 @@ -45,4 +45,9 @@
  46   */
  47  /* #define PRISM2_NO_STATION_MODES */
  48
  49 +/* Enable TX power Setting functions
  50 + * (min att = -128 , max att =  127)
  51 + */
  52 +#define RAW_TXPOWER_SETTING
  53 +
  54  #endif /* HOSTAP_CONFIG_H */
  55 --- a/drivers/net/wireless/hostap/hostap.h
  56 +++ b/drivers/net/wireless/hostap/hostap.h
  57 @@ -90,6 +90,7 @@ extern const struct iw_handler_def hosta
  58  extern const struct ethtool_ops prism2_ethtool_ops;
  59
  60  int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
  61 +int hostap_restore_power(struct net_device *dev);
  62
  63
  64  #endif /* HOSTAP_H */
  65 --- a/drivers/net/wireless/hostap/hostap_hw.c
  66 +++ b/drivers/net/wireless/hostap/hostap_hw.c
  67 @@ -928,6 +928,7 @@ static int hfa384x_set_rid(struct net_de
  68                         prism2_hw_reset(dev);
  69         }
  70
  71 +       hostap_restore_power(dev);
  72         return res;
  73  }
  74
  75 --- a/drivers/net/wireless/hostap/hostap_info.c
  76 +++ b/drivers/net/wireless/hostap/hostap_info.c
  77 @@ -435,6 +435,11 @@ static void handle_info_queue_linkstatus
  78         }
  79
  80         /* Get BSSID if we have a valid AP address */
  81 +
  82 +       if ( val == HFA384X_LINKSTATUS_CONNECTED ||
  83 +            val == HFA384X_LINKSTATUS_DISCONNECTED )
  84 +                       hostap_restore_power(local->dev);
  85 +
  86         if (connected) {
  87                 netif_carrier_on(local->dev);
  88                 netif_carrier_on(local->ddev);
  89 --- a/drivers/net/wireless/hostap/hostap_ioctl.c
  90 +++ b/drivers/net/wireless/hostap/hostap_ioctl.c
  91 @@ -1479,23 +1479,20 @@ static int prism2_txpower_hfa386x_to_dBm
  92                 val = 255;
  93
  94         tmp = val;
  95 -       tmp >>= 2;
  96
  97 -       return -12 - tmp;
  98 +       return tmp;
  99  }
 100
 101  static u16 prism2_txpower_dBm_to_hfa386x(int val)
 102  {
 103         signed char tmp;
 104
 105 -       if (val > 20)
 106 -               return 128;
 107 -       else if (val < -43)
 108 +       if (val > 127)
 109                 return 127;
 110 +       else if (val < -128)
 111 +               return 128;
 112
 113         tmp = val;
 114 -       tmp = -12 - tmp;
 115 -       tmp <<= 2;
 116
 117         return (unsigned char) tmp;
 118  }
 119 @@ -4052,3 +4049,35 @@ int hostap_ioctl(struct net_device *dev,
 120
 121         return ret;
 122  }
 123 +
 124 +/* BUG FIX: Restore power setting value when lost due to F/W bug */
 125 +
 126 +int hostap_restore_power(struct net_device *dev)
 127 +{
 128 +        struct hostap_interface *iface = netdev_priv(dev);
 129 +       local_info_t *local = iface->local;
 130 +
 131 +       u16 val;
 132 +       int ret = 0;
 133 +
 134 +       if (local->txpower_type == PRISM2_TXPOWER_OFF) {
 135 +                       val = 0xff; /* use all standby and sleep modes */
 136 +                       ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
 137 +                                              HFA386X_CR_A_D_TEST_MODES2,
 138 +                                              &val, NULL);
 139 +       }
 140 +
 141 +#ifdef RAW_TXPOWER_SETTING
 142 +       if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
 143 +               val = HFA384X_TEST_CFG_BIT_ALC;
 144 +               local->func->cmd(dev, HFA384X_CMDCODE_TEST |
 145 +                                (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
 146 +               val = prism2_txpower_dBm_to_hfa386x(local->txpower);
 147 +               ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
 148 +                            HFA386X_CR_MANUAL_TX_POWER, &val, NULL));
 149 +       }
 150 +#endif /* RAW_TXPOWER_SETTING */
 151 +       return (ret ? -EOPNOTSUPP : 0);
 152 +}
 153 +
 154 +EXPORT_SYMBOL(hostap_restore_power);