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Use previously computed channel in cs_freq_params for Beacon frames

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When CSA is started, hostapd_change_config_freq() computes the channel
from the provided frequency. Use this stored channel to add CSA IE in
Beacon frames, instead of recomputing the channel each time.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
This commit is contained in:
Andrei Otcheretianski 2015-09-08 12:46:11 +03:00 committed by Jouni Malinen
parent dd124ee821
commit 9438e9c785
1 changed files with 2 additions and 8 deletions
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10
src/ap/beacon.c
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@ -297,19 +297,13 @@ static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
{
u8 chan;
if (!hapd->cs_freq_params.freq)
return eid;
if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) ==
NUM_HOSTAPD_MODES)
if (!hapd->cs_freq_params.channel)
return eid;
*eid++ = WLAN_EID_CHANNEL_SWITCH;
*eid++ = 3;
*eid++ = hapd->cs_block_tx;
*eid++ = chan;
*eid++ = hapd->cs_freq_params.channel;
*eid++ = hapd->cs_count;
return eid;