package/system/hostap-driver/patches/001-fix-txpower.patch

   1 diff -Naur hostap-driver-0.3.7/driver/modules/hostap.c hostap-driver-0.3.7-patched/driver/modules/hostap.c
   2 --- hostap-driver-0.3.7/driver/modules/hostap.c 2004-08-28 06:26:46.000000000 +0300
   3 +++ hostap-driver-0.3.7-patched/driver/modules/hostap.c 2005-04-20 17:20:56.000000000 +0300
   4 @@ -1164,6 +1164,36 @@
   5         return ret;
   6  }
   7
   8 +/* BUG FIX: Restore power setting value when lost due to F/W bug */
   9 +
  10 +int hostap_restore_power(struct net_device *dev)
  11 +{
  12 +        struct hostap_interface *iface = dev->priv;
  13 +       local_info_t *local = iface->local;
  14 +
  15 +       u16 val;
  16 +       int ret = 0;
  17 +
  18 +       if (local->txpower_type == PRISM2_TXPOWER_OFF) {
  19 +                       val = 0xff; /* use all standby and sleep modes */
  20 +                       ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
  21 +                                              HFA386X_CR_A_D_TEST_MODES2,
  22 +                                              &val, NULL);
  23 +       }
  24 +
  25 +#ifdef RAW_TXPOWER_SETTING
  26 +       if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
  27 +               val = HFA384X_TEST_CFG_BIT_ALC;
  28 +               local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  29 +                                (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
  30 +               val = prism2_txpower_dBm_to_hfa386x(local->txpower);
  31 +               ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
  32 +                            HFA386X_CR_MANUAL_TX_POWER, &val, NULL));
  33 +       }
  34 +#endif /* RAW_TXPOWER_SETTING */
  35 +       return (ret ? -EOPNOTSUPP : 0);
  36 +}
  37 +
  38
  39  struct proc_dir_entry *hostap_proc;
  40
  41 @@ -1214,6 +1244,7 @@
  42  EXPORT_SYMBOL(hostap_set_hostapd_sta);
  43  EXPORT_SYMBOL(hostap_add_interface);
  44  EXPORT_SYMBOL(hostap_remove_interface);
  45 +EXPORT_SYMBOL(hostap_restore_power);
  46  EXPORT_SYMBOL(prism2_update_comms_qual);
  47
  48  module_init(hostap_init);
  49 diff -Naur hostap-driver-0.3.7/driver/modules/hostap.h hostap-driver-0.3.7-patched/driver/modules/hostap.h
  50 --- hostap-driver-0.3.7/driver/modules/hostap.h 2003-11-30 04:14:26.000000000 +0200
  51 +++ hostap-driver-0.3.7-patched/driver/modules/hostap.h 2005-04-20 17:21:23.000000000 +0300
  52 @@ -36,6 +36,7 @@
  53                                          const char *prefix, const char *name);
  54  void hostap_remove_interface(struct net_device *dev, int rtnl_locked,
  55                              int remove_from_list);
  56 +int hostap_restore_power(struct net_device *dev);
  57  int prism2_update_comms_qual(struct net_device *dev);
  58  int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u8 stype,
  59                          u8 *body, size_t bodylen);
  60 diff -Naur hostap-driver-0.3.7/driver/modules/hostap_ap.c hostap-driver-0.3.7-patched/driver/modules/hostap_ap.c
  61 --- hostap-driver-0.3.7/driver/modules/hostap_ap.c      2005-01-24 04:52:00.000000000 +0200
  62 +++ hostap-driver-0.3.7-patched/driver/modules/hostap_ap.c      2005-04-21 20:06:12.000000000 +0300
  63 @@ -2346,13 +2346,13 @@
  64                 addr[count].sa_family = ARPHRD_ETHER;
  65                 memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
  66                 if (sta->last_rx_silence == 0)
  67 -                       qual[count].qual = sta->last_rx_signal < 27 ?
  68 -                               0 : (sta->last_rx_signal - 27) * 92 / 127;
  69 +                        qual[count].qual = (sta->last_rx_signal - 156) == 0 ?
  70 +                                0 : (sta->last_rx_signal - 156) * 92 / 64;
  71                 else
  72 -                       qual[count].qual = sta->last_rx_signal -
  73 -                               sta->last_rx_silence - 35;
  74 -               qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
  75 -               qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
  76 +                        qual[count].qual = (sta->last_rx_signal -
  77 +                                sta->last_rx_silence) * 92 / 64;
  78 +                qual[count].level = sta->last_rx_signal;
  79 +                qual[count].noise = sta->last_rx_silence;
  80                 qual[count].updated = sta->last_rx_updated;
  81
  82                 sta->last_rx_updated = 0;
  83 @@ -2413,13 +2413,13 @@
  84                 memset(&iwe, 0, sizeof(iwe));
  85                 iwe.cmd = IWEVQUAL;
  86                 if (sta->last_rx_silence == 0)
  87 -                       iwe.u.qual.qual = sta->last_rx_signal < 27 ?
  88 -                               0 : (sta->last_rx_signal - 27) * 92 / 127;
  89 +                       iwe.u.qual.qual = (sta->last_rx_signal -156) == 0 ?
  90 +                               0 : (sta->last_rx_signal - 156) * 92 / 64;
  91                 else
  92 -                       iwe.u.qual.qual = sta->last_rx_signal -
  93 -                               sta->last_rx_silence - 35;
  94 -               iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
  95 -               iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
  96 +                        iwe.u.qual.qual = (sta->last_rx_signal -
  97 +                                sta->last_rx_silence) * 92 / 64;
  98 +                iwe.u.qual.level = sta->last_rx_signal;
  99 +                iwe.u.qual.noise = sta->last_rx_silence;
 100                 iwe.u.qual.updated = sta->last_rx_updated;
 101                 iwe.len = IW_EV_QUAL_LEN;
 102                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
 103 diff -Naur hostap-driver-0.3.7/driver/modules/hostap_config.h hostap-driver-0.3.7-patched/driver/modules/hostap_config.h
 104 --- hostap-driver-0.3.7/driver/modules/hostap_config.h  2005-02-12 18:12:56.000000000 +0200
 105 +++ hostap-driver-0.3.7-patched/driver/modules/hostap_config.h  2005-04-20 17:25:23.000000000 +0300
 106 @@ -94,6 +94,12 @@
 107   */
 108  /* #define PRISM2_NO_STATION_MODES */
 109
 110 +/* Enable TX power Setting functions
 111 + * (min att = -128 , max att =  127)
 112 + */
 113 +
 114 +#define RAW_TXPOWER_SETTING
 115 +
 116  /* Use Linux crypto API instead of own encryption implementation whenever
 117   * possible. */
 118  /* #define HOSTAP_USE_CRYPTO_API */
 119 diff -Naur hostap-driver-0.3.7/driver/modules/hostap_hw.c hostap-driver-0.3.7-patched/driver/modules/hostap_hw.c
 120 --- hostap-driver-0.3.7/driver/modules/hostap_hw.c      2005-02-05 09:20:09.000000000 +0200
 121 +++ hostap-driver-0.3.7-patched/driver/modules/hostap_hw.c      2005-04-20 17:25:55.000000000 +0300
 122 @@ -1039,6 +1039,7 @@
 123                        dev->name, local->fragm_threshold);
 124         }
 125
 126 +       hostap_restore_power(dev);
 127         return res;
 128  }
 129
 130 diff -Naur hostap-driver-0.3.7/driver/modules/hostap_info.c hostap-driver-0.3.7-patched/driver/modules/hostap_info.c
 131 --- hostap-driver-0.3.7/driver/modules/hostap_info.c    2004-02-29 20:05:44.000000000 +0200
 132 +++ hostap-driver-0.3.7-patched/driver/modules/hostap_info.c    2005-04-20 17:26:36.000000000 +0300
 133 @@ -418,6 +418,11 @@
 134         }
 135
 136         /* Get BSSID if we have a valid AP address */
 137 +
 138 +       if ( val == HFA384X_LINKSTATUS_CONNECTED ||
 139 +            val == HFA384X_LINKSTATUS_DISCONNECTED )
 140 +                       hostap_restore_power(local->dev);
 141 +
 142         if (connected) {
 143                 netif_carrier_on(local->dev);
 144                 netif_carrier_on(local->ddev);
 145 diff -Naur hostap-driver-0.3.7/driver/modules/hostap_ioctl.c hostap-driver-0.3.7-patched/driver/modules/hostap_ioctl.c
 146 --- hostap-driver-0.3.7/driver/modules/hostap_ioctl.c   2004-11-22 08:03:05.000000000 +0200
 147 +++ hostap-driver-0.3.7-patched/driver/modules/hostap_ioctl.c   2005-04-20 17:42:41.000000000 +0300
 148 @@ -1453,23 +1453,20 @@
 149                 val = 255;
 150
 151         tmp = val;
 152 -       tmp >>= 2;
 153
 154 -       return -12 - tmp;
 155 +       return tmp;
 156  }
 157
 158  static u16 prism2_txpower_dBm_to_hfa386x(int val)
 159  {
 160         signed char tmp;
 161
 162 -       if (val > 20)
 163 -               return 128;
 164 -       else if (val < -43)
 165 +       if (val > 127)
 166                 return 127;
 167 +       else if (val < -128)
 168 +               return 128;
 169
 170         tmp = val;
 171 -       tmp = -12 - tmp;
 172 -       tmp <<= 2;
 173
 174         return (unsigned char) tmp;
 175  }