mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 08:15:21 +02:00
5fe95d1b66
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9554 3c298f89-4303-0410-b956-a3cf2f4a3e73
123 lines
3.2 KiB
Diff
123 lines
3.2 KiB
Diff
---
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net/mac80211/ieee80211_ioctl.c | 102 +++++++++++++++++++++++++++++++++++++++++
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1 file changed, 102 insertions(+)
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--- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:32.281514919 +0100
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+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:33.681513453 +0100
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@@ -125,6 +125,105 @@ static int ieee80211_ioctl_siwgenie(stru
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return -EOPNOTSUPP;
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}
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+/*
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+ * Wow. This ioctl interface is such crap, it's tied
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+ * to internal definitions. I hope it dies soon.
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+ */
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+static int mode_to_hostapd_mode(enum ieee80211_phymode mode)
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+{
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+ switch (mode) {
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+ case MODE_IEEE80211A:
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+ return 0;
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+ case MODE_IEEE80211B:
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+ return 1;
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+ case MODE_IEEE80211G:
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+ return 3;
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+ case NUM_IEEE80211_MODES:
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+ WARN_ON(1);
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+ break;
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+ }
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+ WARN_ON(1);
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+ return -1;
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+}
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+
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+static int channel_flags_to_hostapd_flags(int flags)
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+{
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+ int res = 0;
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+
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+ if (flags & IEEE80211_CHAN_W_SCAN)
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+ res |= 1;
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+ if (flags & IEEE80211_CHAN_W_ACTIVE_SCAN)
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+ res |= 2;
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+ if (flags & IEEE80211_CHAN_W_IBSS)
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+ res |= 4;
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+
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+ return res;
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+}
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+
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+struct ieee80211_channel_data {
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+ short chan; /* channel number (IEEE 802.11) */
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+ short freq; /* frequency in MHz */
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+ int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
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+};
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+
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+struct ieee80211_rate_data {
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+ int rate; /* rate in 100 kbps */
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+ int flags; /* IEEE80211_RATE_ flags */
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+};
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+
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+static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
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+ struct prism2_hostapd_param *param,
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+ int param_len)
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+{
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+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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+ u8 *pos = param->u.hw_features.data;
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+ int left = param_len - (pos - (u8 *) param);
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+ int i;
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+ struct hostapd_ioctl_hw_modes_hdr *hdr;
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+ struct ieee80211_rate_data *rate;
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+ struct ieee80211_channel_data *chan;
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+ struct ieee80211_hw_mode *mode;
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+
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+ param->u.hw_features.flags = 0;
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+
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+ param->u.hw_features.num_modes = 0;
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+ list_for_each_entry(mode, &local->modes_list, list) {
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+ int clen, rlen;
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+
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+ param->u.hw_features.num_modes++;
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+ clen =
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+ mode->num_channels * sizeof(struct ieee80211_channel_data);
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+ rlen = mode->num_rates * sizeof(struct ieee80211_rate_data);
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+ if (left < sizeof(*hdr) + clen + rlen)
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+ return -E2BIG;
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+ left -= sizeof(*hdr) + clen + rlen;
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+
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+ hdr = (struct hostapd_ioctl_hw_modes_hdr *)pos;
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+ hdr->mode = mode_to_hostapd_mode(mode->mode);
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+ hdr->num_channels = mode->num_channels;
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+ hdr->num_rates = mode->num_rates;
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+
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+ pos = (u8 *) (hdr + 1);
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+ chan = (struct ieee80211_channel_data *)pos;
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+ for (i = 0; i < mode->num_channels; i++) {
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+ chan[i].chan = mode->channels[i].chan;
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+ chan[i].freq = mode->channels[i].freq;
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+ chan[i].flag = channel_flags_to_hostapd_flags(
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+ mode->channels[i].flag);
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+ }
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+ pos += clen;
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+
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+ rate = (struct ieee80211_rate_data *)pos;
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+ for (i = 0; i < mode->num_rates; i++) {
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+ rate[i].rate = mode->rates[i].rate;
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+ rate[i].flags = mode->rates[i].flags;
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+ }
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+ pos += rlen;
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+ }
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+
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+ return 0;
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+}
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+
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static int ieee80211_ioctl_priv_hostapd(struct net_device *dev,
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struct iw_point *p)
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@@ -151,6 +250,9 @@ static int ieee80211_ioctl_priv_hostapd(
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}
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switch (param->cmd) {
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+ case PRISM2_HOSTAPD_GET_HW_FEATURES:
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+ ret = ieee80211_ioctl_get_hw_features(dev, param, p->length);
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+ break;
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default:
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ret = -EOPNOTSUPP;
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break;
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