GRE_VERSION_1     203 drivers/net/ppp/pptp.c 	hdr->gre_hd.flags = GRE_KEY | GRE_VERSION_1 | GRE_SEQ;
GRE_VERSION_1     175 net/netfilter/nf_conntrack_proto_gre.c 	if (!grehdr || (grehdr->flags & GRE_VERSION) != GRE_VERSION_1) {
GRE_VERSION_1     305 net/netfilter/nf_nat_proto.c 	case GRE_VERSION_1: