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---
net/mac80211/ieee80211_ioctl.c | 102 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 102 insertions(+)
--- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:32.281514919 +0100
+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:33.681513453 +0100
@@ -125,6 +125,105 @@ static int ieee80211_ioctl_siwgenie(stru
return -EOPNOTSUPP;
}
+/*
+ * Wow. This ioctl interface is such crap, it's tied
+ * to internal definitions. I hope it dies soon.
+ */
+static int mode_to_hostapd_mode(enum ieee80211_phymode mode)
+{
+ switch (mode) {
+ case MODE_IEEE80211A:
+ return 0;
+ case MODE_IEEE80211B:
+ return 1;
+ case MODE_IEEE80211G:
+ return 3;
+ case NUM_IEEE80211_MODES:
+ WARN_ON(1);
+ break;
+ }
+ WARN_ON(1);
+ return -1;
+}
+
+static int channel_flags_to_hostapd_flags(int flags)
+{
+ int res = 0;
+
+ if (flags & IEEE80211_CHAN_W_SCAN)
+ res |= 1;
+ if (flags & IEEE80211_CHAN_W_ACTIVE_SCAN)
+ res |= 2;
+ if (flags & IEEE80211_CHAN_W_IBSS)
+ res |= 4;
+
+ return res;
+}
+
+struct ieee80211_channel_data {
+ short chan; /* channel number (IEEE 802.11) */
+ short freq; /* frequency in MHz */
+ int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
+};
+
+struct ieee80211_rate_data {
+ int rate; /* rate in 100 kbps */
+ int flags; /* IEEE80211_RATE_ flags */
+};
+
+static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
+ struct prism2_hostapd_param *param,
+ int param_len)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ u8 *pos = param->u.hw_features.data;
+ int left = param_len - (pos - (u8 *) param);
+ int i;
+ struct hostapd_ioctl_hw_modes_hdr *hdr;
+ struct ieee80211_rate_data *rate;
+ struct ieee80211_channel_data *chan;
+ struct ieee80211_hw_mode *mode;
+
+ param->u.hw_features.flags = 0;
+
+ param->u.hw_features.num_modes = 0;
+ list_for_each_entry(mode, &local->modes_list, list) {
+ int clen, rlen;
+
+ param->u.hw_features.num_modes++;
+ clen =
+ mode->num_channels * sizeof(struct ieee80211_channel_data);
+ rlen = mode->num_rates * sizeof(struct ieee80211_rate_data);
+ if (left < sizeof(*hdr) + clen + rlen)
+ return -E2BIG;
+ left -= sizeof(*hdr) + clen + rlen;
+
+ hdr = (struct hostapd_ioctl_hw_modes_hdr *)pos;
+ hdr->mode = mode_to_hostapd_mode(mode->mode);
+ hdr->num_channels = mode->num_channels;
+ hdr->num_rates = mode->num_rates;
+
+ pos = (u8 *) (hdr + 1);
+ chan = (struct ieee80211_channel_data *)pos;
+ for (i = 0; i < mode->num_channels; i++) {
+ chan[i].chan = mode->channels[i].chan;
+ chan[i].freq = mode->channels[i].freq;
+ chan[i].flag = channel_flags_to_hostapd_flags(
+ mode->channels[i].flag);
+ }
+ pos += clen;
+
+ rate = (struct ieee80211_rate_data *)pos;
+ for (i = 0; i < mode->num_rates; i++) {
+ rate[i].rate = mode->rates[i].rate;
+ rate[i].flags = mode->rates[i].flags;
+ }
+ pos += rlen;
+ }
+
+ return 0;
+}
+
static int ieee80211_ioctl_priv_hostapd(struct net_device *dev,
struct iw_point *p)
@@ -151,6 +250,9 @@ static int ieee80211_ioctl_priv_hostapd(
}
switch (param->cmd) {
+ case PRISM2_HOSTAPD_GET_HW_FEATURES:
+ ret = ieee80211_ioctl_get_hw_features(dev, param, p->length);
+ break;
default:
ret = -EOPNOTSUPP;
break;
|
