ICE_FLOW_HASH_FLD_SCTP_SRC_PORT
hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
(!!(hfld & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) ^