| /* dual-faced port that wraps an Unixdomain port and encodes/decodes L1CTL */ |
| module L1CTL_PortType { |
| import from L1CTL_Types all; |
| import from UD_PortType all; |
| import from UD_Types all; |
| import from Osmocom_Types all; |
| import from GSM_Types all; |
| import from GSM_RR_Types all; |
| |
| type record L1CTL_connect { |
| charstring path |
| } |
| |
| type record L1CTL_connect_result { |
| UD_Result_code result_code optional, |
| charstring err optional |
| } |
| |
| modulepar { |
| charstring m_l1ctl_sock_path := "/tmp/osmocom_l2"; |
| } |
| |
| function f_L1CTL_FBSB(L1CTL_PT pt, Arfcn arfcn, L1ctlCcchMode ccch_mode := CCCH_MODE_COMBINED) { |
| timer T := 5.0; |
| pt.send(t_L1CTL_FBSB_REQ(arfcn, t_L1CTL_FBSB_F_ALL, 0, ccch_mode, 0)); |
| T.start |
| alt { |
| [] pt.receive(t_L1CTL_FBSB_CONF(0)) {}; |
| [] pt.receive(t_L1CTL_FBSB_CONF(?)) { |
| setverdict(fail, "FBSB Failed with non-zero return code"); |
| }; |
| [] pt.receive { repeat; }; |
| [] T.timeout { setverdict(fail, "Timeout in FBSB") }; |
| } |
| } |
| |
| function f_L1CTL_RACH(L1CTL_PT pt, uint8_t ra, uint8_t combined := 1, uint16_t offset := 0) return GsmFrameNumber { |
| var L1ctlDlMessage rc; |
| var GsmFrameNumber fn; |
| timer T := 2.0; |
| T.start |
| pt.send(t_L1CTL_RACH_REQ(ra, 0, 0)) |
| alt { |
| [] pt.receive(t_L1CTL_RACH_CONF) -> value rc { fn := rc.dl_info.frame_nr }; |
| [] pt.receive { repeat; }; |
| [] T.timeout { setverdict(fail, "Timeout in RACH") }; |
| } |
| return fn; |
| } |
| |
| function f_L1CTL_WAIT_IMM_ASS(L1CTL_PT pt, uint8_t ra, GsmFrameNumber rach_fn) return ImmediateAssignment { |
| var L1ctlDlMessage dl; |
| var GsmRrMessage rr; |
| timer T := 10.0; |
| T.start; |
| alt { |
| [] pt.receive(t_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0))) -> value dl { |
| rr := dec_GsmRrMessage(dl.payload.data_ind.payload); |
| log("PCH/AGCN DL RR: ", rr); |
| if (match(rr, t_RR_IMM_ASS(ra, rach_fn))) { |
| log("Received IMM.ASS for our RACH!"); |
| } else { |
| repeat; |
| } |
| }; |
| [] pt.receive { repeat }; |
| [] T.timeout { setverdict(fail, "Timeout waiting for IMM ASS") }; |
| } |
| T.stop; |
| return rr.payload.imm_ass; |
| } |
| |
| function f_L1CTL_TBF_CFG(L1CTL_PT pt, boolean is_uplink, TfiUsfArr tfi_usf) { |
| timer T := 2.0; |
| T.start; |
| pt.send(t_L1CTL_TBF_CFG_REQ(is_uplink, tfi_usf)); |
| alt { |
| [] pt.receive(t_L1CTL_TBF_CFG_CONF(is_uplink)) {} |
| [] pt.receive { repeat }; |
| [] T.timeout { setverdict(fail, "Timeout waiting for TBF-CFG.conf") }; |
| } |
| T.stop; |
| } |
| |
| /* Send DM_EST_REQ from parameters derived from IMM ASS */ |
| function f_L1CTL_DM_EST_REQ_IA(L1CTL_PT pt, ImmediateAssignment imm_ass) { |
| pt.send(t_L1CTL_DM_EST_REQ({ false, imm_ass.chan_desc.arfcn }, imm_ass.chan_desc.chan_nr, imm_ass.chan_desc.tsc)); |
| } |
| |
| function f_connect_reset(L1CTL_PT pt, charstring l1ctl_sock_path := m_l1ctl_sock_path) { |
| pt.send(L1CTL_connect:{path:=l1ctl_sock_path}); |
| pt.receive(L1CTL_connect_result:{result_code := SUCCESS, err:=omit}); |
| |
| pt.send(t_L1ctlResetReq(L1CTL_RES_T_SCHED)); |
| pt.receive; |
| } |
| |
| private function L1CTL_to_UD_connect(in L1CTL_connect pin, out UD_connect pout) { |
| pout.path := pin.path; |
| pout.id := 0; |
| } with { extension "prototype(fast)" } |
| |
| private function UD_to_L1CTL_connect_result(in UD_connect_result pin, out L1CTL_connect_result pout) { |
| pout.result_code := pin.result.result_code; |
| pout.err := pin.result.err; |
| } with { extension "prototype(fast)" } |
| |
| private function L1CTL_to_UD_ul(in L1ctlUlMessage pin, out UD_send_data pout) { |
| var L1ctlUlMessageLV msg_lv := { msg := pin }; |
| pout.data := enc_L1ctlUlMessageLV(msg_lv); |
| pout.id := 0; |
| } with { extension "prototype(fast)" } |
| |
| private function UD_to_L1CTL_dl(in UD_send_data pin, out L1ctlDlMessage pout) { |
| var L1ctlDlMessageLV msg_lv := dec_L1ctlDlMessageLV(pin.data); |
| pout:= msg_lv.msg; |
| } with { extension "prototype(fast)" } |
| |
| type port L1CTL_PT message { |
| out L1ctlUlMessage |
| out L1CTL_connect |
| in L1ctlDlMessage |
| in L1CTL_connect_result |
| in UD_listen_result |
| in UD_connected |
| } with { extension "user UD_PT |
| out(L1ctlUlMessage -> UD_send_data: function(L1CTL_to_UD_ul); |
| L1CTL_connect -> UD_connect: function(L1CTL_to_UD_connect)) |
| in(UD_send_data -> L1ctlDlMessage: function(UD_to_L1CTL_dl); |
| UD_connect_result -> L1CTL_connect_result: function(UD_to_L1CTL_connect_result); |
| UD_listen_result -> UD_listen_result: simple; |
| UD_connected -> UD_connected: simple |
| )" } |
| } |