tag	line	file	source code
MTU	1680	drivers/net/arcnet.c	if (length<=MTU)  /* Normal (256-byte) Packet */
MTU	1748	drivers/net/arcnet.c	for (county=0; county<16+(length>MTU)*16; county++)
MTU	2782	drivers/net/arcnet.c	if (length>MTU)    /* long/exception packet */