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Make get_pri_sec_chan() common

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Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
This commit is contained in:
Janusz Dziedzic 2015-01-08 12:48:32 +01:00 • committed by Jouni Malinen
parent 514427437a
commit 6d5d098f77
3 changed files with 28 additions and 19 deletions
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20
src/ap/hw_features.c
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@ -252,25 +252,7 @@ static void ieee80211n_switch_pri_sec(struct hostapd_iface *iface)
static void ieee80211n_get_pri_sec_chan(struct wpa_scan_res *bss,
int *pri_chan, int *sec_chan)
{
struct ieee80211_ht_operation *oper;
struct ieee802_11_elems elems;
*pri_chan = *sec_chan = 0;
ieee802_11_parse_elems((u8 *) (bss + 1), bss->ie_len, &elems, 0);
if (elems.ht_operation &&
elems.ht_operation_len >= sizeof(*oper)) {
oper = (struct ieee80211_ht_operation *) elems.ht_operation;
*pri_chan = oper->primary_chan;
if (oper->ht_param & HT_INFO_HT_PARAM_STA_CHNL_WIDTH) {
int sec = oper->ht_param &
HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK;
if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
*sec_chan = *pri_chan + 4;
else if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
*sec_chan = *pri_chan - 4;
}
}
return get_pri_sec_chan(bss, pri_chan, sec_chan);
}