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Use a common frequency to channel conversion function

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Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-04-27 21:27:15 +03:00
parent 02db75b6c2
commit e864c0aefe
5 changed files with 42 additions and 76 deletions
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30
src/drivers/driver_nl80211.c
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@ -5103,35 +5103,11 @@ static void phy_info_freq(struct hostapd_hw_modes *mode,
struct hostapd_channel_data *chan,
struct nlattr *tb_freq[])
{
enum hostapd_hw_mode m;
u8 channel;
chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
chan->flag = 0;
if (chan->freq < 4000)
m = HOSTAPD_MODE_IEEE80211B;
else if (chan->freq > 50000)
m = HOSTAPD_MODE_IEEE80211AD;
else
m = HOSTAPD_MODE_IEEE80211A;
switch (m) {
case HOSTAPD_MODE_IEEE80211AD:
chan->chan = (chan->freq - 56160) / 2160;
break;
case HOSTAPD_MODE_IEEE80211A:
chan->chan = chan->freq / 5 - 1000;
break;
case HOSTAPD_MODE_IEEE80211B:
case HOSTAPD_MODE_IEEE80211G:
if (chan->freq == 2484)
chan->chan = 14;
else
chan->chan = (chan->freq - 2407) / 5;
break;
default:
break;
}
if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
chan->chan = channel;
if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
chan->flag |= HOSTAPD_CHAN_DISABLED;