VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN
{VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN,
proto_hdr->type == VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN ||
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN),