nf_conntrack_l4proto_udp   14 include/net/netfilter/ipv4/nf_conntrack_ipv4.h extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp;
nf_conntrack_l4proto_udp  100 net/netfilter/nf_conntrack_proto.c 	case IPPROTO_UDP: return &nf_conntrack_l4proto_udp;
nf_conntrack_l4proto_udp  269 net/netfilter/nf_conntrack_proto_udp.c const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp =