diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2021-07-20 22:25:38 +0200 |
---|---|---|
committer | laforge <laforge@osmocom.org> | 2021-07-27 07:28:26 +0000 |
commit | 3222e0eee88d38d98da60c4430ece72acac9ae39 (patch) | |
tree | c297d5798aaf75e13e05cb2eba7eb9b24edb1809 | |
parent | 8fcd8774cd6f9214361c7cc24092e79840531818 (diff) |
bsc: add RSL port args in MSC_ConnHdlr, RSLEM
Add explicit RSL_DCHAN_PT and RSLEM_PROC_PT args to functions and
altsteps related to channel establishment and assignment. This allows
establishing and assigning a channel on cells other than bts 0.
This is required for upcoming BSC_Tests.TC_cm_reestablishment().
Related: SYS#5130
Change-Id: Ic3206b7125ee22bf98330080d9b136cefe7da03f
-rw-r--r-- | bsc/MSC_ConnectionHandler.ttcn | 57 | ||||
-rw-r--r-- | library/RSL_Emulation.ttcn | 16 |
2 files changed, 37 insertions, 36 deletions
diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn index fc123079..af933430 100644 --- a/bsc/MSC_ConnectionHandler.ttcn +++ b/bsc/MSC_ConnectionHandler.ttcn @@ -187,11 +187,11 @@ private function f_get_mgcp_conn(MgcpConnectionId cid) runs on MSC_ConnHdlr retu /* altstep for handling of IPACC media related commands. Activated by as_Media() to test * RSL level media handling */ -altstep as_Media_ipacc() runs on MSC_ConnHdlr { +altstep as_Media_ipacc(RSL_DCHAN_PT rsl_pt := RSL, RSL_DCHAN_PT rsl_pt_ho_target := RSL1) runs on MSC_ConnHdlr { var RSL_Message rsl; var RSL_IE_Body ie; var boolean b_unused; - [not g_media.bts.ipa_crcx_seen] RSL.receive(tr_RSL_IPA_CRCX(g_chan_nr)) -> value rsl { + [not g_media.bts.ipa_crcx_seen] rsl_pt.receive(tr_RSL_IPA_CRCX(g_chan_nr)) -> value rsl { /* Extract parameters from request + use in response */ if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { g_media.bts.rtp_pt := ie.ipa_rtp_pt; @@ -199,14 +199,14 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD2, ie)) { g_media.bts.rtp_pt := ie.ipa_rtp_pt2; } - RSL.send(ts_RSL_IPA_CRCX_ACK(g_chan_nr, g_media.bts.conn_id, + rsl_pt.send(ts_RSL_IPA_CRCX_ACK(g_chan_nr, g_media.bts.conn_id, f_inet_addr(g_media.bts.bts.host), g_media.bts.bts.port_nr, g_media.bts.rtp_pt)); g_media.bts.ipa_crcx_seen := true; repeat; } - [g_media.bts.ipa_crcx_seen] RSL.receive(tr_RSL_IPA_MDCX(g_chan_nr, ?)) -> value rsl{ + [g_media.bts.ipa_crcx_seen] rsl_pt.receive(tr_RSL_IPA_MDCX(g_chan_nr, ?)) -> value rsl{ /* Extract conn_id, ip, port, rtp_pt2 from request + use in response */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_CONN_ID, ie); if (g_media.bts.conn_id != ie.ipa_conn_id) { @@ -224,7 +224,7 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD2, ie)) { g_media.bts.rtp_pt := ie.ipa_rtp_pt2; } - RSL.send(ts_RSL_IPA_MDCX_ACK(g_chan_nr, g_media.bts.conn_id, + rsl_pt.send(ts_RSL_IPA_MDCX_ACK(g_chan_nr, g_media.bts.conn_id, f_inet_addr(g_media.bts.peer.host), g_media.bts.peer.port_nr, g_media.bts.rtp_pt)); @@ -233,7 +233,7 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { } /* on second (new) BTS during hand-over */ - [not g_media.bts1.ipa_crcx_seen] RSL1.receive(tr_RSL_IPA_CRCX(g_chan_nr)) -> value rsl { + [not g_media.bts1.ipa_crcx_seen] rsl_pt_ho_target.receive(tr_RSL_IPA_CRCX(g_chan_nr)) -> value rsl { /* Extract parameters from request + use in response */ if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { g_media.bts1.rtp_pt := ie.ipa_rtp_pt; @@ -241,7 +241,7 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD2, ie)) { g_media.bts1.rtp_pt := ie.ipa_rtp_pt2; } - RSL1.send(ts_RSL_IPA_CRCX_ACK(g_chan_nr, g_media.bts1.conn_id, + rsl_pt_ho_target.send(ts_RSL_IPA_CRCX_ACK(g_chan_nr, g_media.bts1.conn_id, f_inet_addr(g_media.bts1.bts.host), g_media.bts1.bts.port_nr, g_media.bts1.rtp_pt)); @@ -249,7 +249,7 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { repeat; } /* on second (new) BTS during hand-over */ - [g_media.bts1.ipa_crcx_seen] RSL1.receive(tr_RSL_IPA_MDCX(g_chan_nr, ?)) -> value rsl{ + [g_media.bts1.ipa_crcx_seen] rsl_pt_ho_target.receive(tr_RSL_IPA_MDCX(g_chan_nr, ?)) -> value rsl{ /* Extract conn_id, ip, port, rtp_pt2 from request + use in response */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_CONN_ID, ie); if (g_media.bts1.conn_id != ie.ipa_conn_id) { @@ -267,7 +267,7 @@ altstep as_Media_ipacc() runs on MSC_ConnHdlr { if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD2, ie)) { g_media.bts1.rtp_pt := ie.ipa_rtp_pt2; } - RSL1.send(ts_RSL_IPA_MDCX_ACK(g_chan_nr, g_media.bts1.conn_id, + rsl_pt_ho_target.send(ts_RSL_IPA_MDCX_ACK(g_chan_nr, g_media.bts1.conn_id, f_inet_addr(g_media.bts1.peer.host), g_media.bts1.peer.port_nr, g_media.bts1.rtp_pt)); @@ -654,17 +654,17 @@ function f_create_chan_and_exp() runs on MSC_ConnHdlr { } function f_rsl_send_l3(template PDU_ML3_MS_NW l3, template (omit) RslLinkId link_id := omit, - template (omit) RslChannelNr chan_nr := omit) runs on MSC_ConnHdlr { + template (omit) RslChannelNr chan_nr := omit, RSL_DCHAN_PT rsl_pt := RSL) runs on MSC_ConnHdlr { if (not isvalue(link_id)) { link_id := ts_RslLinkID_DCCH(0); } if (not isvalue(chan_nr)) { chan_nr := g_chan_nr; } - RSL.send(ts_RSL_DATA_IND(valueof(chan_nr), valueof(link_id), enc_PDU_ML3_MS_NW(valueof(l3)))); + rsl_pt.send(ts_RSL_DATA_IND(valueof(chan_nr), valueof(link_id), enc_PDU_ML3_MS_NW(valueof(l3)))); } -function f_rsl_reply(template PDU_ML3_MS_NW l3, RSL_Message orig) runs on MSC_ConnHdlr { +function f_rsl_reply(template PDU_ML3_MS_NW l3, RSL_Message orig, RSL_DCHAN_PT rsl_pt := RSL) runs on MSC_ConnHdlr { var RslChannelNr chan_nr := orig.ies[0].body.chan_nr; var RslLinkId link_id; if (orig.msg_type == RSL_MT_ENCR_CMD) { @@ -672,7 +672,7 @@ function f_rsl_reply(template PDU_ML3_MS_NW l3, RSL_Message orig) runs on MSC_Co } else { link_id := orig.ies[1].body.link_id; } - f_rsl_send_l3(l3, link_id, chan_nr); + f_rsl_send_l3(l3, link_id, chan_nr, rsl_pt := rsl_pt); } /* Convert the cipher representation on BSSMAP to the representation used on RSL */ @@ -783,7 +783,8 @@ function f_verify_encr_info(RSL_Message rsl) runs on MSC_ConnHdlr { setverdict(pass); } -function f_cipher_mode(TestHdlrEncrParams enc, boolean exp_fail := false) +function f_cipher_mode(TestHdlrEncrParams enc, boolean exp_fail := false, + RSL_DCHAN_PT rsl_pt := RSL, RSLEM_PROC_PT rsl_proc_pt := RSL_PROC) runs on MSC_ConnHdlr { var PDU_BSSAP bssap; var RSL_Message rsl; @@ -796,14 +797,14 @@ runs on MSC_ConnHdlr { alt { /* RSL/UE Side */ - [] RSL.receive(tr_RSL_ENCR_CMD(g_chan_nr)) -> value rsl { + [] rsl_pt.receive(tr_RSL_ENCR_CMD(g_chan_nr)) -> value rsl { var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(rsl.ies[3].body.l3_info.payload); log("Rx L3 from net: ", l3); f_verify_encr_info(rsl); if (ischosen(l3.msgs.rrm.cipheringModeCommand)) { - f_rsl_reply(ts_RRM_CiphModeCompl, rsl); + f_rsl_reply(ts_RRM_CiphModeCompl, rsl, rsl_pt := rsl_pt); } repeat; } @@ -956,9 +957,9 @@ private function rr_chan_desc_tsc(ChannelDescription2_V cd2) return tsc; } -altstep as_assignment(inout AssignmentState st) runs on MSC_ConnHdlr { +altstep as_assignment(inout AssignmentState st, RSL_DCHAN_PT rsl_pt := RSL, RSLEM_PROC_PT rsl_proc_pt := RSL_PROC) runs on MSC_ConnHdlr { var RSL_Message rsl; - [not st.rr_ass_cmpl_seen] RSL.receive(tr_RSL_DATA_REQ(g_chan_nr)) -> value rsl { + [not st.rr_ass_cmpl_seen] rsl_pt.receive(tr_RSL_DATA_REQ(g_chan_nr)) -> value rsl { var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(rsl.ies[2].body.l3_info.payload); log("Rx L3 from net: ", l3); if (ischosen(l3.msgs.rrm.assignmentCommand)) { @@ -979,20 +980,20 @@ altstep as_assignment(inout AssignmentState st) runs on MSC_ConnHdlr { /* FIXME: Determine TRX NR by ARFCN, instead of hard-coded TRX0! */ /* register our component for this channel number at the RSL Emulation */ - f_rslem_register(0, new_chan_nr); + f_rslem_register(0, new_chan_nr, PT := rsl_proc_pt); /* dispatch queued messages for this channel (if any) */ - f_rslem_dchan_queue_dispatch(); + f_rslem_dchan_queue_dispatch(PT := rsl_proc_pt); var PDU_ML3_MS_NW l3_tx := valueof(ts_RRM_AssignmentComplete('00'O)); /* send assignment complete over the new channel */ - RSL.send(ts_RSL_EST_IND(new_chan_nr, valueof(ts_RslLinkID_DCCH(0)), + rsl_pt.send(ts_RSL_EST_IND(new_chan_nr, valueof(ts_RslLinkID_DCCH(0)), enc_PDU_ML3_MS_NW(l3_tx))); /* by default, send via the new channel from now */ st.old_chan_nr := g_chan_nr; g_chan_nr := new_chan_nr; st.rr_ass_cmpl_seen := true; /* obtain channel activation from RSL_Emulation for new channel */ - var RSL_Message chan_act := f_rslem_get_last_act(RSL_PROC, 0, g_chan_nr); + var RSL_Message chan_act := f_rslem_get_last_act(rsl_proc_pt, 0, g_chan_nr); /* check it (e.g. for correct ciphering parameters) */ f_check_chan_act(st, chan_act); repeat; @@ -1000,20 +1001,20 @@ altstep as_assignment(inout AssignmentState st) runs on MSC_ConnHdlr { Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected L3 received", l3)); } } - [st.rr_ass_cmpl_seen] RSL.receive(tr_RSL_DEACT_SACCH(st.old_chan_nr)) { + [st.rr_ass_cmpl_seen] rsl_pt.receive(tr_RSL_DEACT_SACCH(st.old_chan_nr)) { st.old_lchan_deact_sacch_seen := true; repeat; } - [st.rr_ass_cmpl_seen] RSL.receive(tr_RSL_REL_REQ(st.old_chan_nr, tr_RslLinkID_DCCH(0))) { + [st.rr_ass_cmpl_seen] rsl_pt.receive(tr_RSL_REL_REQ(st.old_chan_nr, tr_RslLinkID_DCCH(0))) { st.old_lchan_rll_rel_req_seen := true; - RSL.send(ts_RSL_REL_CONF(st.old_chan_nr, valueof(ts_RslLinkID_DCCH(0)))); + rsl_pt.send(ts_RSL_REL_CONF(st.old_chan_nr, valueof(ts_RslLinkID_DCCH(0)))); repeat; } - [st.rr_ass_cmpl_seen] RSL.receive(tr_RSL_RF_CHAN_REL(st.old_chan_nr)) { - RSL.send(ts_RSL_RF_CHAN_REL_ACK(st.old_chan_nr)); + [st.rr_ass_cmpl_seen] rsl_pt.receive(tr_RSL_RF_CHAN_REL(st.old_chan_nr)) { + rsl_pt.send(ts_RSL_RF_CHAN_REL_ACK(st.old_chan_nr)); /* unregister for old channel number in RSL emulation */ /* FIXME: Determine TRX NR by ARFCN, instead of hard-coded TRX0! */ - f_rslem_unregister(0, st.old_chan_nr); + f_rslem_unregister(0, st.old_chan_nr, PT := rsl_proc_pt); st.assignment_done := true; repeat; } diff --git a/library/RSL_Emulation.ttcn b/library/RSL_Emulation.ttcn index f64329a6..969dbceb 100644 --- a/library/RSL_Emulation.ttcn +++ b/library/RSL_Emulation.ttcn @@ -109,7 +109,7 @@ type port RSLEM_PROC_PT procedure { * Client Component for a single dedicated channel ***********************************************************************/ -private function f_rx_or_fail(template RSL_Message exp_rx) runs on RSL_DchanHdlr return RSL_Message +private function f_rx_or_fail(template RSL_Message exp_rx, RSL_DCHAN_PT rsl_pt := RSL) runs on RSL_DchanHdlr return RSL_Message { var RSL_Message rx_rsl; timer T := 10.0; @@ -117,11 +117,11 @@ private function f_rx_or_fail(template RSL_Message exp_rx) runs on RSL_DchanHdlr /* request a channel to be established */ T.start; alt { - [] RSL.receive(exp_rx) -> value rx_rsl { + [] rsl_pt.receive(exp_rx) -> value rx_rsl { T.stop; return rx_rsl; } - [] RSL.receive { + [] rsl_pt.receive { setverdict(fail, "Unexpected RSL message on DCHAN"); mtc.stop; } @@ -136,16 +136,16 @@ private function f_rx_or_fail(template RSL_Message exp_rx) runs on RSL_DchanHdlr /* establish a dedicated channel using 'ra' */ function f_chan_est(OCT1 ra, octetstring est_l3, template RslLinkId link_id, GsmFrameNumber fn := 23, - template uint3_t tsc := ?) + template uint3_t tsc := ?, RSL_DCHAN_PT rsl_pt := RSL, RSLEM_PROC_PT rsl_proc_pt := RSL_PROC) runs on RSL_DchanHdlr { var RSL_Message rx_rsl; var GsmRrMessage rr; /* request a channel to be established */ - RSL.send(ts_RSLDC_ChanRqd(ra, fn)); + rsl_pt.send(ts_RSLDC_ChanRqd(ra, fn)); /* At this point the BSC sends a CHAN ACTIV which we always ACK. Checking it below. */ /* expect immediate assignment */ - rx_rsl := f_rx_or_fail(tr_RSL_IMM_ASSIGN); + rx_rsl := f_rx_or_fail(tr_RSL_IMM_ASSIGN, rsl_pt := rsl_pt); rr := dec_GsmRrMessage(rx_rsl.ies[1].body.full_imm_ass_info.payload); if (not match(rr.payload.imm_ass.chan_desc.tsc, tsc)) { setverdict(fail, "Immediate Assignment: unexpected TSC in Channel Description: expected ", tsc, " got ", @@ -153,10 +153,10 @@ runs on RSL_DchanHdlr { mtc.stop; } g_chan_nr := rr.payload.imm_ass.chan_desc.chan_nr; - RSL.send(ts_RSL_EST_IND(g_chan_nr, valueof(link_id), est_l3)); + rsl_pt.send(ts_RSL_EST_IND(g_chan_nr, valueof(link_id), est_l3)); /* Check above CHAN ACTIV */ - var RSL_Message chan_act := f_rslem_get_last_act(RSL_PROC, 0, g_chan_nr); + var RSL_Message chan_act := f_rslem_get_last_act(rsl_proc_pt, 0, g_chan_nr); var RSL_IE_Body ie; if (f_rsl_find_ie(chan_act, RSL_IE_CHAN_IDENT, ie)) { var uint3_t got_tsc := ie.chan_ident.ch_desc.v.tsc; |