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Add frequency to operating class determination for 5 GHz 100..140

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This extends ieee80211_freq_to_channel_ext() with knowledge of the
operating classes for the 5 GHz channels 100..140.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-10-30 11:42:23 +02:00 committed by Jouni Malinen
parent f0ef68892e
commit 45c3e72952
1 changed files with 19 additions and 0 deletions
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19
src/common/ieee802_11_common.c
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@ -689,6 +689,25 @@ enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
return HOSTAPD_MODE_IEEE80211A; return HOSTAPD_MODE_IEEE80211A;
} }
/* 5 GHz, channels 100..140 */
if (freq >= 5000 && freq <= 5700) {
if ((freq - 5000) % 5)
return NUM_HOSTAPD_MODES;
if (vht_opclass)
*op_class = vht_opclass;
else if (sec_channel == 1)
*op_class = 122;
else if (sec_channel == -1)
*op_class = 123;
else
*op_class = 121;
*channel = (freq - 5000) / 5;
return HOSTAPD_MODE_IEEE80211A;
}
if (freq >= 5000 && freq < 5900) { if (freq >= 5000 && freq < 5900) {
if ((freq - 5000) % 5) if ((freq - 5000) % 5)
return NUM_HOSTAPD_MODES; return NUM_HOSTAPD_MODES;