package/mac80211/patches/015-hostapd-ioctl-hw-features.patch

   1 ---
   2  net/mac80211/ieee80211_ioctl.c |  102 +++++++++++++++++++++++++++++++++++++++++
   3  1 file changed, 102 insertions(+)
   4
   5 --- everything.orig/net/mac80211/ieee80211_ioctl.c      2007-11-07 13:19:32.281514919 +0100
   6 +++ everything/net/mac80211/ieee80211_ioctl.c   2007-11-07 13:19:33.681513453 +0100
   7 @@ -125,6 +125,105 @@ static int ieee80211_ioctl_siwgenie(stru
   8         return -EOPNOTSUPP;
   9  }
  10
  11 +/*
  12 + * Wow. This ioctl interface is such crap, it's tied
  13 + * to internal definitions. I hope it dies soon.
  14 + */
  15 +static int mode_to_hostapd_mode(enum ieee80211_phymode mode)
  16 +{
  17 +       switch (mode) {
  18 +       case MODE_IEEE80211A:
  19 +               return 0;
  20 +       case MODE_IEEE80211B:
  21 +               return 1;
  22 +       case MODE_IEEE80211G:
  23 +               return 3;
  24 +       case NUM_IEEE80211_MODES:
  25 +               WARN_ON(1);
  26 +               break;
  27 +       }
  28 +       WARN_ON(1);
  29 +       return -1;
  30 +}
  31 +
  32 +static int channel_flags_to_hostapd_flags(int flags)
  33 +{
  34 +       int res = 0;
  35 +
  36 +       if (flags & IEEE80211_CHAN_W_SCAN)
  37 +               res |= 1;
  38 +       if (flags & IEEE80211_CHAN_W_ACTIVE_SCAN)
  39 +               res |= 2;
  40 +       if (flags & IEEE80211_CHAN_W_IBSS)
  41 +               res |= 4;
  42 +
  43 +       return res;
  44 +}
  45 +
  46 +struct ieee80211_channel_data {
  47 +       short chan; /* channel number (IEEE 802.11) */
  48 +       short freq; /* frequency in MHz */
  49 +       int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
  50 +};
  51 +
  52 +struct ieee80211_rate_data {
  53 +       int rate; /* rate in 100 kbps */
  54 +       int flags; /* IEEE80211_RATE_ flags */
  55 +};
  56 +
  57 +static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
  58 +                                          struct prism2_hostapd_param *param,
  59 +                                          int param_len)
  60 +{
  61 +       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  62 +       u8 *pos = param->u.hw_features.data;
  63 +       int left = param_len - (pos - (u8 *) param);
  64 +       int i;
  65 +       struct hostapd_ioctl_hw_modes_hdr *hdr;
  66 +       struct ieee80211_rate_data *rate;
  67 +       struct ieee80211_channel_data *chan;
  68 +       struct ieee80211_hw_mode *mode;
  69 +
  70 +       param->u.hw_features.flags = 0;
  71 +
  72 +       param->u.hw_features.num_modes = 0;
  73 +       list_for_each_entry(mode, &local->modes_list, list) {
  74 +               int clen, rlen;
  75 +
  76 +               param->u.hw_features.num_modes++;
  77 +               clen =
  78 +                   mode->num_channels * sizeof(struct ieee80211_channel_data);
  79 +               rlen = mode->num_rates * sizeof(struct ieee80211_rate_data);
  80 +               if (left < sizeof(*hdr) + clen + rlen)
  81 +                       return -E2BIG;
  82 +               left -= sizeof(*hdr) + clen + rlen;
  83 +
  84 +               hdr = (struct hostapd_ioctl_hw_modes_hdr *)pos;
  85 +               hdr->mode = mode_to_hostapd_mode(mode->mode);
  86 +               hdr->num_channels = mode->num_channels;
  87 +               hdr->num_rates = mode->num_rates;
  88 +
  89 +               pos = (u8 *) (hdr + 1);
  90 +               chan = (struct ieee80211_channel_data *)pos;
  91 +               for (i = 0; i < mode->num_channels; i++) {
  92 +                       chan[i].chan = mode->channels[i].chan;
  93 +                       chan[i].freq = mode->channels[i].freq;
  94 +                       chan[i].flag = channel_flags_to_hostapd_flags(
  95 +                                               mode->channels[i].flag);
  96 +               }
  97 +               pos += clen;
  98 +
  99 +               rate = (struct ieee80211_rate_data *)pos;
 100 +               for (i = 0; i < mode->num_rates; i++) {
 101 +                       rate[i].rate = mode->rates[i].rate;
 102 +                       rate[i].flags = mode->rates[i].flags;
 103 +               }
 104 +               pos += rlen;
 105 +       }
 106 +
 107 +       return 0;
 108 +}
 109 +
 110
 111  static int ieee80211_ioctl_priv_hostapd(struct net_device *dev,
 112                                         struct iw_point *p)
 113 @@ -151,6 +250,9 @@ static int ieee80211_ioctl_priv_hostapd(
 114         }
 115
 116         switch (param->cmd) {
 117 +       case PRISM2_HOSTAPD_GET_HW_FEATURES:
 118 +               ret = ieee80211_ioctl_get_hw_features(dev, param, p->length);
 119 +               break;
 120         default:
 121                 ret = -EOPNOTSUPP;
 122                 break;