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Update VHT capabilities info on channel switch event

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This is needed to be able to move from 80 MHz or lower bandwidth to 160
or 80+80 MHz bandwidth (and back) properly without leaving the Beacon
frame VHT elements showing incorrect information.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2021-03-07 01:35:25 +02:00
parent dc587c479c
commit 147d6d3727
1 changed files with 9 additions and 0 deletions
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9
src/ap/drv_callbacks.c
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@ -961,6 +961,15 @@ void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
hostapd_set_oper_chwidth(hapd->iconf, chwidth);
hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);
hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, seg1_idx);
if (hapd->iconf->ieee80211ac) {
hapd->iconf->vht_capab &= ~VHT_CAP_SUPP_CHAN_WIDTH_MASK;
if (chwidth == CHANWIDTH_160MHZ)
hapd->iconf->vht_capab |=
VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
else if (chwidth == CHANWIDTH_80P80MHZ)
hapd->iconf->vht_capab |=
VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
}
is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
hapd->iface->num_hw_features);