tag	line	file	source code
CHECKSUM_NONE	1531	net/ipv4/tcp_input.c	case CHECKSUM_NONE:
CHECKSUM_NONE	634	net/ipv4/udp.c	( (skb->ip_summed == CHECKSUM_NONE) && udp_check(uh, len, saddr, daddr,csum_partial((char*)uh, len, 0)))