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ACS: Fix VHT20

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The center segment0 calculation for VHT20 ACS was incorrect. This caused
ACS to fail with: "Could not set channel for kernel driver".

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
This commit is contained in:
Michal Kazior 2014-02-28 15:19:42 +01:00 committed by Jouni Malinen
parent c1cec68b93
commit c3722e1241
1 changed files with 8 additions and 5 deletions
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13
src/ap/acs.c
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@ -639,23 +639,26 @@ acs_find_ideal_chan(struct hostapd_iface *iface)
static void acs_adjust_vht_center_freq(struct hostapd_iface *iface)
{
int offset;
wpa_printf(MSG_DEBUG, "ACS: Adjusting VHT center frequency");
switch (iface->conf->vht_oper_chwidth) {
case VHT_CHANWIDTH_USE_HT:
iface->conf->vht_oper_centr_freq_seg0_idx =
iface->conf->channel + 2;
offset = 2 * iface->conf->secondary_channel;
break;
case VHT_CHANWIDTH_80MHZ:
iface->conf->vht_oper_centr_freq_seg0_idx =
iface->conf->channel + 6;
offset = 6;
break;
default:
/* TODO: How can this be calculated? Adjust
* acs_find_ideal_chan() */
wpa_printf(MSG_INFO, "ACS: Only VHT20/40/80 is supported now");
break;
return;
}
iface->conf->vht_oper_centr_freq_seg0_idx =
iface->conf->channel + offset;
}