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ACS: Add channels from all modes matching with configured hw mode

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The 5 GHz channels are stored in one hw_features set with mode
HOSTAPD_MODE_IEEE80211A while the 6 GHz channels will need to stored in
a separate hw_features set (but with same mode HOSTAPD_MODE_IEEE80211A)
due to possibility of different HE capabilities being available between
the 5 GHz and 6 GHz bands.

Iterate through all hw_features sets and populate channels from all
hw_features sets whose hardware mode is matching the configured hardware
mode while preparing the channel list for ACS.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Ankita Bajaj 2019-11-18 11:36:51 +05:30 committed by Jouni Malinen
parent 996662250d
commit 15d3568739
1 changed files with 13 additions and 23 deletions
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36
src/ap/ap_drv_ops.c
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@ -886,6 +886,7 @@ int hostapd_drv_do_acs(struct hostapd_data *hapd)
int ret, i, acs_ch_list_all = 0;
struct hostapd_hw_modes *mode;
int *freq_list = NULL;
enum hostapd_hw_mode selected_mode;
if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
return 0;
@ -900,29 +901,18 @@ int hostapd_drv_do_acs(struct hostapd_data *hapd)
if (!hapd->iface->conf->acs_ch_list.num)
acs_ch_list_all = 1;
mode = hapd->iface->current_mode;
if (mode) {
for (i = 0; i < mode->num_channels; i++) {
struct hostapd_channel_data *chan = &mode->channels[i];
if (!acs_ch_list_all &&
!freq_range_list_includes(
&hapd->iface->conf->acs_ch_list,
chan->chan))
continue;
if (hapd->iface->conf->acs_exclude_dfs &&
(chan->flag & HOSTAPD_CHAN_RADAR))
continue;
if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
int_array_add_unique(&freq_list, chan->freq);
}
}
} else {
for (i = 0; i < hapd->iface->num_hw_features; i++) {
mode = &hapd->iface->hw_features[i];
hostapd_get_hw_mode_any_channels(hapd, mode,
acs_ch_list_all,
&freq_list);
}
if (hapd->iface->current_mode)
selected_mode = hapd->iface->current_mode->mode;
else
selected_mode = HOSTAPD_MODE_IEEE80211ANY;
for (i = 0; i < hapd->iface->num_hw_features; i++) {
mode = &hapd->iface->hw_features[i];
if (selected_mode != HOSTAPD_MODE_IEEE80211ANY &&
selected_mode != mode->mode)
continue;
hostapd_get_hw_mode_any_channels(hapd, mode, acs_ch_list_all,
&freq_list);
}
params.freq_list = freq_list;