TCP_ACK_SET       312 net/netfilter/nf_conntrack_proto_tcp.c 	else if (tcph->ack) return TCP_ACK_SET;
TCP_ACK_SET       650 net/netfilter/nf_conntrack_proto_tcp.c 		if (index == TCP_ACK_SET) {
TCP_ACK_SET       922 net/netfilter/nf_conntrack_proto_tcp.c 			    && ct->proto.tcp.last_index == TCP_ACK_SET))