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hostapd: Configure spectrum management capability

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Add configuration of Spectrum Management subfield in the Capability
Information of Beacon, Probe Response, and Association Response frames.
Spectrum Management bit is set when directly requested by new
configuration option spectrum_mgmt_required=1 or when AP is running on
DFS channels. In the future, also TPC shall require this bit to be set.

Signed-hostap: Srinivasan <srinivasanb@posedge.com>
Signed-hostap: Chaitanya T K <chaitanyatk@posedge.com>
Signed-hostap: Marek Puzyniak <marek.puzyniak@tieto.com>
This commit is contained in:
Chaitanya T K 2014-02-21 14:42:18 +01:00 • committed by Jouni Malinen
parent e0392f825d
commit 3d7ad2f681
8 changed files with 98 additions and 3 deletions
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20
src/ap/dfs.c
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@ -801,3 +801,23 @@ int hostapd_dfs_nop_finished(struct hostapd_iface *iface, int freq,
cf1, cf2, HOSTAPD_CHAN_DFS_USABLE);
return 0;
}
int hostapd_is_dfs_required(struct hostapd_iface *iface)
{
int n_chans, start_chan_idx;
if (!iface->current_mode)
return -1;
/* Get start (first) channel for current configuration */
start_chan_idx = dfs_get_start_chan_idx(iface);
if (start_chan_idx == -1)
return -1;
/* Get number of used channels, depend on width */
n_chans = dfs_get_used_n_chans(iface);
/* Check if any of configured channels require DFS */
return dfs_check_chans_radar(iface, start_chan_idx, n_chans);
}