201   if((status = if_up(tunnel->device6, Global_Clatd_Config.mtu)) < 0) {  in configure_tun_ip()
264   if(Global_Clatd_Config.mtu > MAXMTU) {  in configure_interface()
265     logmsg(ANDROID_LOG_WARN,"Max MTU is %d, requested %d", MAXMTU, Global_Clatd_Config.mtu);  in configure_interface()
266     Global_Clatd_Config.mtu = MAXMTU;  in configure_interface()
268   if(Global_Clatd_Config.mtu <= 0) {  in configure_interface()
269     Global_Clatd_Config.mtu = getifmtu(Global_Clatd_Config.default_pdp_interface);  in configure_interface()
270     logmsg(ANDROID_LOG_WARN,"ifmtu=%d",Global_Clatd_Config.mtu);  in configure_interface()
272   if(Global_Clatd_Config.mtu < 1280) {  in configure_interface()
273     logmsg(ANDROID_LOG_WARN,"mtu too small = %d", Global_Clatd_Config.mtu);  in configure_interface()
274     Global_Clatd_Config.mtu = 1280;  in configure_interface()
278      Global_Clatd_Config.ipv4mtu > Global_Clatd_Config.mtu - MTU_DELTA) {  in configure_interface()
279     Global_Clatd_Config.ipv4mtu = Global_Clatd_Config.mtu - MTU_DELTA;  in configure_interface()