MRP_TX_ACTION_S_JOIN_IN
[MRP_APPLICANT_VP] = MRP_TX_ACTION_S_JOIN_IN,
[MRP_APPLICANT_AA] = MRP_TX_ACTION_S_JOIN_IN,
[MRP_APPLICANT_AP] = MRP_TX_ACTION_S_JOIN_IN,
case MRP_TX_ACTION_S_JOIN_IN: