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hostapd: DFS/CSA check if CSA in progress 

Check if CSA is already in progress, before triggering a new channel
switch.

Signed-hostap: Janusz Dziedzic <janusz.dziedzic@tieto.com>
This commit is contained in:
Janusz Dziedzic 2014-01-08 11:27:47 +01:00 committed by Jouni Malinen
parent b19ef32bf9
commit 25592b236b
1 changed files with 7 additions and 3 deletions
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10
src/ap/dfs.c
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@ -680,14 +680,18 @@ static int hostapd_dfs_start_channel_switch(struct hostapd_iface *iface)
struct hostapd_data *hapd = iface->bss[0];
int err = 1;
wpa_printf(MSG_DEBUG, "%s called (CAC active: %s)", __func__,
iface->cac_started ? "yes" : "no");
wpa_printf(MSG_DEBUG, "%s called (CAC active: %s, CSA active: %s)",
__func__, iface->cac_started ? "yes" : "no",
iface->csa_in_progress ? "yes" : "no");
/* Check if CSA in progress */
if (iface->csa_in_progress)
return 0;
/* Check if active CAC */
if (iface->cac_started)
return hostapd_dfs_start_channel_switch_cac(iface);
/* Perform channel switch/CSA */
channel = dfs_get_valid_channel(iface, &secondary_channel,
&vht_oper_centr_freq_seg0_idx,