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DFS: Restart pending CAC on interface enable

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When an interface is re-enabled after it was disabled during CAC, it
won't ever get active since hostapd is waiting for a CAC_FINISHED while
kernel side is waiting for a CMD_RADAR_DETECT to start a CAC.

This commit checks for a pending CAC when an interface is enabled and if
so restarts its DFS processing.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
This commit is contained in:
Zefir Kurtisi 2019-01-07 11:58:08 +01:00 committed by Jouni Malinen
parent 72d909e749
commit 10de40c0c8
1 changed files with 5 additions and 0 deletions
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5
src/ap/drv_callbacks.c
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@ -1729,6 +1729,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
hostapd_reconfig_encryption(hapd);
hapd->reenable_beacon = 1;
ieee802_11_set_beacon(hapd);
#ifdef NEED_AP_MLME
} else if (hapd->disabled && hapd->iface->cac_started) {
wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
hostapd_handle_dfs(hapd->iface);
#endif /* NEED_AP_MLME */
}
break;
case EVENT_INTERFACE_DISABLED: