WMI_CHAN_INFO_DFS
chan_info->info |= WMI_CHAN_INFO_DFS;
chan->info |= WMI_CHAN_INFO_DFS;
chan->info |= cpu_to_le32(WMI_CHAN_INFO_DFS);
chan_info->info |= cpu_to_le32(WMI_CHAN_INFO_DFS);