enum irm_msg_code {
        IRM_CREATE_IPCP = 1;
        IRM_DESTROY_IPCP = 2;
        IRM_BOOTSTRAP_IPCP = 3;
        IRM_ENROLL_IPCP = 4;
        IRM_REG_IPCP = 5;
        IRM_UNREG_IPCP = 6;
        IRM_AP_REG = 7;
        IRM_AP_REG_R = 8;
        IRM_AP_UNREG = 9;
        IRM_FLOW_ACCEPT = 10;
        IRM_FLOW_ACCEPT_R = 11;
        IRM_FLOW_ALLOC_RESP = 12;
        IRM_FLOW_ALLOC = 13;
        IRM_FLOW_ALLOC_R = 14;
        IRM_FLOW_ALLOC_RES = 15;
        IRM_FLOW_ALLOC_RES_R = 16;
        IRM_FLOW_DEALLOC = 17;
        IRM_FLOW_CONTROL = 18;
        IRM_FLOW_WRITE = 19;
        IRM_FLOW_READ = 20;
};

message irm_msg {
        required irm_msg_code code = 1;
        optional string ap_name = 2;
        optional uint32 api_id = 3;
        optional string ae_name = 4;
        optional string ipcp_type = 5;
        // Missing dif_config field here
        repeated string dif_name = 7;
        optional int32 fd = 8;
        optional int32 result = 9;
        // Missing qos_spec here
        optional int32 oflags = 10;
        optional string dst_ap_name = 11;
};