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hw_features: Clean center freq for falling back HT40 channels

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Some channels fail to be set, when falling back to 20 MHz, due to
remaining VHT info of center freq. As we are going to 20 MHz, reset the
VHT center frequency segment information as well.

Signed-off-by: Eduardo Abinader <eduardoabinader@gmail.com>
This commit is contained in:
Eduardo Abinader 2017-01-17 11:59:03 +01:00 committed by Jouni Malinen
parent f47f936170
commit 276e936548
1 changed files with 2 additions and 0 deletions
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2
src/ap/hw_features.c
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@ -329,6 +329,8 @@ static void ieee80211n_check_scan(struct hostapd_iface *iface)
res = ieee80211n_allowed_ht40_channel_pair(iface);
if (!res) {
iface->conf->secondary_channel = 0;
iface->conf->vht_oper_centr_freq_seg0_idx = 0;
iface->conf->vht_oper_centr_freq_seg1_idx = 0;
res = 1;
wpa_printf(MSG_INFO, "Fallback to 20 MHz");
}