sctp_nat_csum     129 net/netfilter/ipvs/ip_vs_proto_sctp.c 		sctp_nat_csum(skb, sctph, sctphoff);
sctp_nat_csum     177 net/netfilter/ipvs/ip_vs_proto_sctp.c 		sctp_nat_csum(skb, sctph, sctphoff);