| /* Osmocom MSC+VLR end-to-end tests */ |
| |
| /* (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| * |
| * All Rights Reserved |
| * |
| * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include "msc_vlr_tests.h" |
| |
| #include <osmocom/msc/gsm_04_08.h> |
| #include <osmocom/msc/codec_mapping.h> |
| |
| #define mncc_sends_to_cc(MSG_TYPE, MNCC) do { \ |
| (MNCC)->msg_type = MSG_TYPE; \ |
| log("MSC <-- MNCC: callref 0x%x: %s\n%s", (MNCC)->callref, \ |
| get_mncc_name((MNCC)->msg_type), \ |
| (MNCC)->sdp); \ |
| mncc_tx_to_cc(net, MNCC); \ |
| } while(0) |
| |
| /* |
| static void on_call_release_mncc_sends_to_cc(uint32_t msg_type, struct gsm_mncc *mncc) |
| { |
| mncc->msg_type = msg_type; |
| on_call_release_mncc_sends_to_cc_data = mncc; |
| } |
| */ |
| |
| #define IMSI "901700000010650" |
| |
| static void lu_utran_tmsi() |
| { |
| struct vlr_subscr *vsub; |
| |
| net->authentication_required = true; |
| net->vlr->cfg.assign_tmsi = true; |
| rx_from_ran = OSMO_RAT_UTRAN_IU; |
| |
| btw("Location Update request causes a GSUP Send Auth Info request to HLR"); |
| lu_result_sent = RES_NONE; |
| gsup_expect_tx("080108" "09710000000156f0" CN_DOMAIN VLR_TO_HLR); |
| ms_sends_msg("0508" /* MM LU */ |
| "7" /* ciph key seq: no key available */ |
| "0" /* LU type: normal */ |
| "09f107" "0017" /* LAI, LAC */ |
| "57" /* classmark 1: R99, early classmark, no power lvl */ |
| "089910070000106005" /* IMSI */ |
| "3303575886" /* classmark 2 */ |
| ); |
| OSMO_ASSERT(gsup_tx_confirmed); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS"); |
| /* based on auc_3g: |
| * K = 'EB215756028D60E3275E613320AEC880', |
| * OPC = 'FB2A3D1B360F599ABAB99DB8669F8308' |
| * SQN = 0 |
| */ |
| auth_request_sent = false; |
| auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d"; |
| auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919"; |
| gsup_rx("0a" |
| /* imsi */ |
| "0108" "09710000000156f0" |
| /* 5 auth vectors... */ |
| /* TL TL rand */ |
| "0362" "2010" "39fa2f4e3d523d8619a73b4f65c3e14d" |
| /* TL sres TL kc */ |
| "2104" "9b36efdf" "2208" "059a4f668f6fbe39" |
| /* TL 3G IK */ |
| "2310" "27497388b6cb044648f396aa155b95ef" |
| /* TL 3G CK */ |
| "2410" "f64735036e5871319c679f4742a75ea1" |
| /* TL AUTN */ |
| "2510" "8704f5ba55f30000d2ee44b22c8ea919" |
| /* TL RES */ |
| "2708" "e229c19e791f2e41" |
| /* TL TL rand */ |
| "0362" "2010" "c187a53a5e6b9d573cac7c74451fd46d" |
| "2104" "85aa3130" "2208" "d3d50a000bf04f6e" |
| "2310" "1159ec926a50e98c034a6b7d7c9f418d" |
| "2410" "df3a03d9ca5335641efc8e36d76cd20b" |
| "2510" "1843a645b98d00005b2d666af46c45d9" |
| "2708" "7db47cf7f81e4dc7" |
| "0362" "2010" "efa9c29a9742148d5c9070348716e1bb" |
| "2104" "69d5f9fb" "2208" "3df176f0c29f1a3d" |
| "2310" "eb50e770ddcc3060101d2f43b6c2b884" |
| "2410" "76542abce5ff9345b0e8947f4c6e019c" |
| "2510" "f9375e6d41e1000096e7fe4ff1c27e39" |
| "2708" "706f996719ba609c" |
| "0362" "2010" "f023d5a3b24726e0631b64b3840f8253" |
| "2104" "d570c03f" "2208" "ec011be8919883d6" |
| "2310" "c4e58af4ba43f3bcd904e16984f086d7" |
| "2410" "0593f65e752e5cb7f473862bda05aa0a" |
| "2510" "541ff1f077270000c5ea00d658bc7e9a" |
| "2708" "3fd26072eaa2a04d" |
| "0362" "2010" "2f8f90c780d6a9c0c53da7ac57b6707e" |
| "2104" "b072446f220823f39f9f425ad6e6" |
| "2310" "65af0527fda95b0dc5ae4aa515cdf32f" |
| "2410" "537c3b35a3b13b08d08eeb28098f45cc" |
| "2510" "4bf4e564f75300009bc796706bc65744" |
| "2708" "0edb0eadbea94ac2" |
| HLR_TO_VLR, |
| NULL); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "27497388b6cb044648f396aa155b95ef"); |
| ms_sends_msg("0554" "e229c19e" "2104" "791f2e41"); |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts and sends GSUP LU Req to HLR"); |
| gsup_expect_tx("04010809710000000156f0" CN_DOMAIN VLR_TO_HLR); |
| ms_sends_security_mode_complete(1); |
| VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); |
| gsup_rx("10010809710000000156f00804032443f2" HLR_TO_VLR, |
| "12010809710000000156f0" VLR_TO_HLR); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL); |
| |
| VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| |
| btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl"); |
| EXPECT_CONN_COUNT(1); |
| EXPECT_ACCEPTED(false); |
| |
| btw("MS sends TMSI Realloc Complete"); |
| iu_release_expected = true; |
| iu_release_sent = false; |
| ms_sends_msg("055b"); |
| VERBOSE_ASSERT(iu_release_sent, == true, "%d"); \ |
| |
| btw("LU was successful, and the conn has already been closed"); |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| |
| vsub = vlr_subscr_find_by_imsi(net->vlr, IMSI, __func__); |
| VERBOSE_ASSERT(vsub != NULL, == true, "%d"); |
| VERBOSE_ASSERT(strcmp(vsub->imsi, IMSI), == 0, "%d"); |
| VAL_ASSERT("LAC", vsub->cgi.lai.lac, == 23, "%u"); |
| vlr_subscr_put(vsub, __func__); |
| } |
| |
| static void lu_geran_noauth(void) |
| { |
| rx_from_ran = OSMO_RAT_GERAN_A; |
| net->authentication_required = false; |
| net->vlr->cfg.assign_tmsi = false; |
| |
| btw("Location Update request causes a GSUP LU request to HLR"); |
| lu_result_sent = RES_NONE; |
| gsup_expect_tx("04010809710000000156f0280102" VLR_TO_HLR); |
| ms_sends_msg("0508" /* MM LU */ |
| "7" /* ciph key seq: no key available */ |
| "0" /* LU type: normal */ |
| "09f107" "0017" /* LAI, LAC */ |
| "57" /* classmark 1: R99, early classmark, no power lvl */ |
| "089910070000106005" /* IMSI */ |
| "3303575886" /* classmark 2 */ |
| ); |
| OSMO_ASSERT(gsup_tx_confirmed); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); |
| gsup_rx("10010809710000000156f00804036470f1" HLR_TO_VLR, |
| "12010809710000000156f0" VLR_TO_HLR); |
| VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| |
| btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| expect_bssap_clear(); |
| gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL); |
| |
| btw("LU was successful, and the conn has already been closed"); |
| VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| VERBOSE_ASSERT(bssap_clear_sent, == true, "%d"); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| } |
| |
| |
| static void test_call_mo() |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| }; |
| struct gsm_mncc_rtp mncc_rtp = {}; |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_utran_tmsi(); |
| |
| BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); |
| auth_request_sent = false; |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| cm_service_result_sent = RES_NONE; |
| ms_sends_msg("052471" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| btw("needs auth, not yet accepted"); |
| EXPECT_ACCEPTED(false); |
| |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept"); |
| ms_sends_security_mode_complete(1); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| BTW("a call is initiated"); |
| |
| btw("CC SETUP causes CRCX towards CN and RAN"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */ |
| "0406600402000581" /* Bearer Capability */ |
| "5e038121f3" /* Called Number BCD */ |
| "15020100" /* CC Capabilities */ |
| "4008" /* Supported Codec List */ |
| "04026000" /* UMTS: AMR 2 | AMR */ |
| "00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */ |
| ); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| |
| btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered"); |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref; |
| |
| btw("MNCC replies with MNCC_RTP_CREATE"); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("MGW acknowledges the CRCX, triggering Assignment"); |
| expect_iu_rab_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(iu_rab_assignment_sent); |
| |
| btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| ms_sends_assignment_complete("AMR"); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| btw("MNCC says that's fine"); |
| dtap_expect_tx("8302" /* CC: Call Proceeding */); |
| mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| btw("The other call leg got established (not shown here), MNCC tells us so"); |
| dtap_expect_tx("8301" /* CC: Call Alerting */); |
| mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| dtap_expect_tx("8307" /* CC: Connect */); |
| mncc_sends_to_cc(MNCC_SETUP_RSP, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx("", MNCC_SETUP_COMPL_IND); |
| ms_sends_msg("03cf" /* CC: Connect Acknowledge */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| BTW("RTP stream goes ahead, not shown here."); |
| fake_time_passes(123, 45); |
| |
| BTW("Call ends"); |
| cc_to_mncc_expect_tx("", MNCC_DISC_IND); |
| ms_sends_msg("032502e090" /* CC: Disconnect, cause: Normal Call Clearing */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| dtap_expect_tx("832d" /* CC: Release */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| expect_iu_release(); |
| ms_sends_msg("036a" /* CC: Release Complete */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(iu_release_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| static void test_call_mt() |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| .callref = 0x423, |
| .fields = MNCC_F_BEARER_CAP, |
| .bearer_cap = { |
| .speech_ver = { |
| GSM48_BCAP_SV_AMR_F, |
| GSM48_BCAP_SV_EFR, |
| GSM48_BCAP_SV_FR, |
| GSM48_BCAP_SV_AMR_H, |
| GSM48_BCAP_SV_HR, |
| -1 }, |
| }, |
| /* NOTE: below SDP includes only AMR, above bearer_cap includes more codecs. Ideally, these would match, |
| * but in reality the bearer cap in MNCC was never implemented properly. This test shows that above |
| * bearer_cap is ignored when SDP is present: In the CC Setup below, the Bearer Capability is only |
| * "04 04 60 04 05 8b" with speech versions '04' == GSM48_BCAP_SV_AMR_F and '05' == GSM48_BCAP_SV_AMR_H. |
| */ |
| .sdp = "v=0\r\n" |
| "o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n" |
| "s=GSM Call\r\n" |
| "c=IN IP4 10.23.23.1\r\n" |
| "t=0 0\r\n" |
| "m=audio 23 RTP/AVP 112\r\n" |
| "a=rtpmap:112 AMR/8000\r\n" |
| "a=fmtp:112 octet-align=1\r\n" |
| "a=ptime:20\r\n", |
| }; |
| |
| struct gsm_mncc_rtp mncc_rtp = { |
| .callref = 0x423, |
| }; |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_utran_tmsi(); |
| |
| BTW("after a while, MNCC asks us to setup a call, causing Paging"); |
| |
| paging_expect_imsi(IMSI); |
| paging_sent = false; |
| mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc); |
| mncc.sdp[0] = '\0'; |
| |
| VERBOSE_ASSERT(paging_sent, == true, "%d"); |
| |
| btw("MS replies with Paging Response, and VLR sends Auth Request"); |
| auth_request_sent = false; |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| ms_sends_msg("062707" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts, sends CC Setup"); |
| dtap_expect_tx("0305" /* CC: Setup */ "04 04 60 04 05 8b" /* Bearer Cap, speech ver of AMR-FR and AMR-HR */); |
| ms_sends_security_mode_complete(1); |
| |
| btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND); |
| ms_sends_msg("8348" /* CC: Call Confirmed */ |
| "0406600402000581" /* Bearer Capability */ |
| "15020100" /* Call Control Capabilities */ |
| "40080402600400021f00" /* Supported Codec List */); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| btw("MGW acknowledges the CRCX to RAN, triggering Assignment"); |
| expect_iu_rab_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(iu_rab_assignment_sent); |
| |
| btw("Assignment completes, triggering CRCX to CN"); |
| expect_crcx(RTP_TO_CN); |
| ms_sends_assignment_complete("AMR"); |
| |
| btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP"); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE with full SDP"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx("", MNCC_ALERT_IND); |
| ms_sends_msg("8381" /* CC: Alerting */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF); |
| ms_sends_msg("83c7" /* CC: Connect */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| dtap_expect_tx("030f" /* CC: Connect Acknowledge */); |
| mncc_sends_to_cc(MNCC_SETUP_COMPL_REQ, &mncc); |
| |
| BTW("RTP stream goes ahead, not shown here."); |
| fake_time_passes(123, 45); |
| |
| BTW("Call ends"); |
| cc_to_mncc_expect_tx("", MNCC_DISC_IND); |
| ms_sends_msg("832502e090" /* CC: Disconnect, cause: Normal Call Clearing */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| dtap_expect_tx("032d" /* CC: Release */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| expect_iu_release(); |
| ms_sends_msg("836a" /* CC: Release Complete */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(iu_release_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| static void test_call_mt2() |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| .callref = 0x423, |
| .fields = MNCC_F_BEARER_CAP, |
| .bearer_cap = { |
| .speech_ver = { GSM48_BCAP_SV_FR, -1, }, |
| }, |
| /* NOTE: below SDP includes only AMR, above bearer_cap includes only GSM-FR. Ideally, these would match, |
| * but in reality the bearer cap in MNCC was never implemented properly. This test shows that above |
| * bearer_cap is ignored when SDP is present: In the CC Setup below, the Bearer Capability is only |
| * "04 04 60 04 05 8b" with speech versions '04' == GSM48_BCAP_SV_AMR_F and '05' == GSM48_BCAP_SV_AMR_H. |
| */ |
| .sdp = "v=0\r\n" |
| "o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n" |
| "s=GSM Call\r\n" |
| "c=IN IP4 10.23.23.1\r\n" |
| "t=0 0\r\n" |
| "m=audio 23 RTP/AVP 112\r\n" |
| "a=rtpmap:112 AMR/8000\r\n" |
| "a=fmtp:112 octet-align=1\r\n" |
| "a=ptime:20\r\n", |
| }; |
| |
| struct gsm_mncc_rtp mncc_rtp = { |
| .callref = 0x423, |
| .sdp = "v=0\r\n" |
| "o=OsmoMSC 0 0 IN IP4 10.23.23.1\r\n" |
| "s=GSM Call\r\n" |
| "c=IN IP4 10.23.23.1\r\n" |
| "t=0 0\r\n" |
| "m=audio 23 RTP/AVP 112\r\n" |
| "a=rtpmap:112 AMR/8000\r\n" |
| "a=fmtp:112 octet-align=1\r\n" |
| "a=ptime:20\r\n", |
| }; |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_utran_tmsi(); |
| |
| BTW("after a while, MNCC asks us to setup a call, causing Paging"); |
| |
| paging_expect_imsi(IMSI); |
| paging_sent = false; |
| mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc); |
| |
| VERBOSE_ASSERT(paging_sent, == true, "%d"); |
| |
| btw("MS replies with Paging Response, and VLR sends Auth Request"); |
| auth_request_sent = false; |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| ms_sends_msg("062707" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts, sends CC Setup"); |
| dtap_expect_tx("0305" /* CC: Setup */ "04 04 60 04 05 8b" /* Bearer Cap, speech ver of AMR-FR and AMR-HR */); |
| ms_sends_security_mode_complete(1); |
| |
| btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND); |
| ms_sends_msg("8348" /* CC: Call Confirmed */ |
| "0406600402000581" /* Bearer Capability */ |
| "15020100" /* Call Control Capabilities */ |
| "40080402600400021f00" /* Supported Codec List */); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP"); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("MGW acknowledges the CRCX to RAN, triggering Assignment"); |
| expect_iu_rab_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(iu_rab_assignment_sent); |
| |
| btw("Assignment completes, triggering CRCX to CN"); |
| ms_sends_assignment_complete("AMR"); |
| |
| btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE with full SDP"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx("", MNCC_ALERT_IND); |
| ms_sends_msg("8381" /* CC: Alerting */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| fake_time_passes(15, 23); |
| |
| btw("The call failed, the BSC sends a BSSMAP Clear Request"); |
| cc_to_mncc_expect_tx("", MNCC_REL_IND); |
| dtap_expect_tx("032d0802e1af"); /* CC: Release */ |
| expect_iu_release(); |
| msc_a_release_cn(msub_msc_a(g_msub)); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(iu_release_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| |
| /* Make sure a pending release timer doesn't fire later to access freed data */ |
| fake_time_passes(15, 23); |
| |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| static void test_call_mo_to_unknown() |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| }; |
| |
| struct gsm_mncc_rtp mncc_rtp = {}; |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_utran_tmsi(); |
| |
| BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); |
| auth_request_sent = false; |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| cm_service_result_sent = RES_NONE; |
| ms_sends_msg("052471" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| btw("needs auth, not yet accepted"); |
| EXPECT_ACCEPTED(false); |
| |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept"); |
| ms_sends_security_mode_complete(1); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| BTW("a call is initiated"); |
| |
| btw("CC SETUP causes CRCX towards CN and RAN"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */ |
| "0406600402000581" /* Bearer Capability */ |
| "5e038121f3" /* Called Number BCD */ |
| "15020100" /* CC Capabilities */ |
| "4008" /* Supported Codec List */ |
| "04026000" /* UMTS: AMR 2 | AMR */ |
| "00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */ |
| ); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| |
| btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered"); |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref; |
| |
| btw("MNCC replies with MNCC_RTP_CREATE"); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("MGW acknowledges the CRCX, triggering Assignment"); |
| expect_iu_rab_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(iu_rab_assignment_sent); |
| |
| btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| ms_sends_assignment_complete("AMR"); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| btw("MNCC says that's fine"); |
| dtap_expect_tx("8302" /* CC: Call Proceeding */); |
| mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| btw("But the other side's MSISDN could not be resolved, MNCC tells us to cancel"); |
| dtap_expect_tx("832d" /* CC: Release Request */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| |
| dtap_expect_tx("832d" /* CC: Release Request */); |
| fake_time_passes(10, 23); |
| |
| expect_iu_release(); |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| ms_sends_msg("036a" /* CC: Release Complete */); |
| OSMO_ASSERT(iu_release_sent); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| static void test_call_mo_to_unknown_timeout() |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| }; |
| struct gsm_mncc_rtp mncc_rtp = {}; |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_utran_tmsi(); |
| |
| BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector"); |
| auth_request_sent = false; |
| auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d"; |
| auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9"; |
| cm_service_result_sent = RES_NONE; |
| ms_sends_msg("052471" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| VERBOSE_ASSERT(auth_request_sent, == true, "%d"); |
| |
| btw("needs auth, not yet accepted"); |
| EXPECT_ACCEPTED(false); |
| |
| /* On UTRAN */ |
| btw("MS sends Authen Response, VLR accepts and sends SecurityModeControl"); |
| expect_security_mode_ctrl(NULL, "1159ec926a50e98c034a6b7d7c9f418d"); |
| ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */ |
| VERBOSE_ASSERT(security_mode_ctrl_sent, == true, "%d"); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| btw("MS sends SecurityModeControl acceptance, VLR accepts; above Ciphering is an implicit CM Service Accept"); |
| ms_sends_security_mode_complete(1); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| |
| BTW("a call is initiated"); |
| |
| btw("CC SETUP causes CRCX towards CN and RAN"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| ms_sends_msg("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */ |
| "0406600402000581" /* Bearer Capability */ |
| "5e038121f3" /* Called Number BCD */ |
| "15020100" /* CC Capabilities */ |
| "4008" /* Supported Codec List */ |
| "04026000" /* UMTS: AMR 2 | AMR */ |
| "00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */ |
| ); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| |
| btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered"); |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref; |
| |
| btw("MNCC replies with MNCC_RTP_CREATE"); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("MGW acknowledges the CRCX, triggering Assignment"); |
| expect_iu_rab_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(iu_rab_assignment_sent); |
| |
| btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| ms_sends_assignment_complete("AMR"); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| btw("MNCC says that's fine"); |
| dtap_expect_tx("8302" /* CC: Call Proceeding */); |
| mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| btw("But the other side's MSISDN could not be resolved, MNCC tells us to cancel"); |
| dtap_expect_tx("832d" /* CC: Release Request */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| |
| btw("Despite our repeated CC Release Requests, the MS does not respond anymore"); |
| dtap_expect_tx("832d" /* CC: Release Request */); |
| fake_time_passes(10, 23); |
| |
| btw("The CC Release times out and we still properly clear the conn"); |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| expect_iu_release(); |
| fake_time_passes(10, 23); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(iu_release_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| #define LIST_END 0xffff |
| |
| struct codec_test { |
| const char *desc; |
| |
| /* What to send during Complete Layer 3 as Codec List (BSS Supported). List ends with a LIST_END entry */ |
| enum gsm0808_speech_codec_type mo_rx_compl_l3_codec_list_bss_supported[8]; |
| |
| /* What to send during CC Setup as MS Bearer Capability. List ends with a LIST_END entry */ |
| enum gsm48_bcap_speech_ver mo_rx_ms_bcap[8]; |
| |
| /* What codecs should osmo-msc send in the MNCC_SETUP_IND message. |
| * Just the SDP subtype names like "GSM", "GSM-EFR", "AMR", ..., list ends with NULL entry */ |
| const char *mo_tx_sdp_mncc_setup_ind[8]; |
| |
| /* What codecs the remote call leg should send as SDP via MNCC during MNCC_RTP_CREATE (if any). */ |
| const char *mo_rx_sdp_mncc_rtp_create[8]; |
| |
| /* What the MSC should send as Channel Type IE in the Assignment Command to the BSS. List ends with a |
| * LIST_END entry */ |
| enum gsm0808_permitted_speech mo_tx_assignment_perm_speech[8]; |
| |
| /* What codec to assign in the Assignment Complete's Codec (Chosen) IE. Just a subtype name. */ |
| const char *mo_rx_assigned_codec; |
| |
| /* MO acks the MNCC_RTP_CREATE with these codecs (if any). */ |
| const char *mo_tx_sdp_mncc_rtp_create[8]; |
| |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| #define mt_rx_sdp_mncc_setup_req mo_tx_sdp_mncc_rtp_create |
| |
| enum gsm0808_speech_codec_type mt_rx_compl_l3_codec_list_bss_supported[8]; |
| bool expect_codec_mismatch_on_paging_response; |
| enum gsm48_bcap_speech_ver mt_tx_cc_setup_bcap[8]; |
| enum gsm48_bcap_speech_ver mt_rx_ms_bcap[8]; |
| bool expect_codec_mismatch_on_cc_call_conf; |
| const char *mt_tx_sdp_mncc_call_conf_ind[8]; |
| |
| enum gsm0808_permitted_speech mt_tx_assignment_perm_speech[8]; |
| const char *mt_rx_assigned_codec; |
| |
| const char *mt_rx_sdp_mncc_rtp_create[8]; |
| const char *mt_tx_sdp_mncc_rtp_create[8]; |
| |
| const char *mt_tx_sdp_mncc_alert_ind[8]; |
| |
| bool mo_expect_reassignment; |
| enum gsm0808_permitted_speech mo_tx_reassignment_perm_speech[8]; |
| const char *mo_rx_reassigned_codec; |
| |
| const char *mt_tx_sdp_mncc_setup_cnf[8]; |
| const char *mt_rx_sdp_mncc_setup_compl_req[8]; |
| |
| /* mo_rx_sdp_mncc_alert_req == mt_tx_sdp_mncc_alert_ind */ |
| #define mo_rx_sdp_mncc_alert_req mt_tx_sdp_mncc_alert_ind |
| #define mo_rx_sdp_mncc_setup_rsp mt_tx_sdp_mncc_alert_ind |
| |
| const char *mo_tx_sdp_mncc_setup_compl_ind[8]; |
| }; |
| |
| #define CODEC_LIST_ALL_GSM { \ |
| GSM0808_SCT_FR1, \ |
| GSM0808_SCT_FR2, \ |
| GSM0808_SCT_FR3, \ |
| GSM0808_SCT_HR1, \ |
| GSM0808_SCT_HR3, \ |
| LIST_END \ |
| } |
| |
| #define BCAP_ALL_GSM { \ |
| GSM48_BCAP_SV_AMR_F, \ |
| GSM48_BCAP_SV_AMR_H, \ |
| GSM48_BCAP_SV_AMR_OH, \ |
| GSM48_BCAP_SV_EFR, \ |
| GSM48_BCAP_SV_FR, \ |
| GSM48_BCAP_SV_HR, \ |
| LIST_END \ |
| } |
| |
| #define PERM_SPEECH_ALL_GSM { \ |
| GSM0808_PERM_FR3, \ |
| GSM0808_PERM_HR3, \ |
| GSM0808_PERM_FR2, \ |
| GSM0808_PERM_FR1, \ |
| GSM0808_PERM_HR1, \ |
| LIST_END \ |
| } |
| |
| #define SDP_CODECS_ALL_GSM { \ |
| "AMR", \ |
| "GSM-EFR", \ |
| "GSM", \ |
| "GSM-HR-08", \ |
| } |
| |
| static const struct codec_test codec_tests[] = { |
| { |
| .desc = "AMR picked by both MO and MT", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM, |
| .mo_rx_assigned_codec = "AMR", |
| .mo_tx_sdp_mncc_rtp_create = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = { |
| GSM48_BCAP_SV_AMR_F, |
| GSM48_BCAP_SV_AMR_H, |
| GSM48_BCAP_SV_AMR_OH, |
| GSM48_BCAP_SV_EFR, |
| GSM48_BCAP_SV_FR, |
| GSM48_BCAP_SV_HR, |
| LIST_END |
| }, |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { |
| GSM0808_PERM_FR3, |
| GSM0808_PERM_HR3, |
| GSM0808_PERM_FR2, |
| GSM0808_PERM_FR1, |
| GSM0808_PERM_HR1, |
| LIST_END |
| }, |
| .mt_rx_assigned_codec = "AMR", |
| .mt_tx_sdp_mncc_rtp_create = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_alert_ind = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_setup_cnf = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1", |
| .mo_rx_compl_l3_codec_list_bss_supported = { GSM0808_SCT_FR1, LIST_END }, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = { "GSM" }, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END }, |
| .mo_rx_assigned_codec = "GSM", |
| .mo_tx_sdp_mncc_rtp_create = { "GSM" }, |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END }, |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END }, |
| .mt_rx_assigned_codec = "GSM", |
| .mt_tx_sdp_mncc_rtp_create = { "GSM" }, |
| .mt_tx_sdp_mncc_alert_ind = { "GSM" }, |
| .mt_tx_sdp_mncc_setup_cnf = { "GSM" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "FR1 picked by MO from Bearer Cap, MT hence also picks FR1", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = { GSM48_BCAP_SV_FR, LIST_END }, |
| .mo_tx_sdp_mncc_setup_ind = { "GSM" }, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END }, |
| .mo_rx_assigned_codec = "GSM", |
| .mo_tx_sdp_mncc_rtp_create = { "GSM" }, |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END }, |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END }, |
| .mt_rx_assigned_codec = "GSM", |
| .mt_tx_sdp_mncc_rtp_create = { "GSM" }, |
| .mt_tx_sdp_mncc_alert_ind = { "GSM" }, |
| .mt_tx_sdp_mncc_setup_cnf = { "GSM" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "FR1 picked by MT's Codec List (BSS Supported), hence MO re-assigns to FR1", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM, |
| .mo_rx_assigned_codec = "AMR", /* <- Early Assignment first picks a mismatching codec */ |
| .mo_tx_sdp_mncc_rtp_create = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| |
| /* This is the codec limitation this test verifies, Codec List (BSS Supported): */ |
| .mt_rx_compl_l3_codec_list_bss_supported = { GSM0808_SCT_FR1, LIST_END }, |
| |
| /* from above codec list, MSC derives the limited bcap sent in CC Setup to MS */ |
| .mt_tx_cc_setup_bcap = { |
| GSM48_BCAP_SV_FR, |
| LIST_END |
| }, |
| /* MS could do more, but it doesn't affect the choice of FR1 */ |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { |
| GSM0808_PERM_FR1, |
| LIST_END |
| }, |
| .mt_rx_assigned_codec = "GSM", |
| .mt_tx_sdp_mncc_rtp_create = { "GSM" }, |
| .mt_tx_sdp_mncc_alert_ind = { "GSM" }, |
| |
| .mo_expect_reassignment = true, |
| .mo_tx_reassignment_perm_speech = { |
| GSM0808_PERM_FR1, |
| LIST_END |
| }, |
| .mo_rx_reassigned_codec = "GSM", |
| |
| .mt_tx_sdp_mncc_setup_cnf = { "GSM" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "FR1 picked by MT's MS Bearer Capability, hence MO re-assigns to FR1", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM, |
| .mo_rx_assigned_codec = "AMR", /* <- Early Assignment first picks a mismatching codec */ |
| .mo_tx_sdp_mncc_rtp_create = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = BCAP_ALL_GSM, |
| |
| /* This is the codec limitation this test verifies: */ |
| .mt_rx_ms_bcap = { |
| GSM48_BCAP_SV_FR, |
| LIST_END |
| }, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { |
| GSM0808_PERM_FR1, |
| LIST_END |
| }, |
| .mt_rx_assigned_codec = "GSM", |
| .mt_tx_sdp_mncc_rtp_create = { "GSM" }, |
| .mt_tx_sdp_mncc_alert_ind = { "GSM" }, |
| |
| .mo_expect_reassignment = true, |
| .mo_tx_reassignment_perm_speech = { |
| GSM0808_PERM_FR1, |
| LIST_END |
| }, |
| .mo_rx_reassigned_codec = "GSM", |
| |
| .mt_tx_sdp_mncc_setup_cnf = { "GSM" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "AMR picked by both MO and MT, but MT assigns a different payload type number", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM, |
| .mo_rx_assigned_codec = "AMR", |
| .mo_tx_sdp_mncc_rtp_create = { "AMR", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = { |
| GSM48_BCAP_SV_AMR_F, |
| GSM48_BCAP_SV_AMR_H, |
| GSM48_BCAP_SV_AMR_OH, |
| GSM48_BCAP_SV_EFR, |
| GSM48_BCAP_SV_FR, |
| GSM48_BCAP_SV_HR, |
| LIST_END |
| }, |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { |
| GSM0808_PERM_FR3, |
| GSM0808_PERM_HR3, |
| GSM0808_PERM_FR2, |
| GSM0808_PERM_FR1, |
| GSM0808_PERM_HR1, |
| LIST_END |
| }, |
| .mt_rx_assigned_codec = "AMR", |
| .mt_tx_sdp_mncc_rtp_create = { "AMR#96", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_alert_ind = { "AMR#96", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_setup_cnf = { "AMR#96", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| |
| { |
| .desc = "AMR picked by both MO and MT, but MO assigns a different payload type number", |
| .mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mo_rx_ms_bcap = BCAP_ALL_GSM, |
| .mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM, |
| .mo_rx_sdp_mncc_rtp_create = {}, |
| .mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM, |
| .mo_rx_assigned_codec = "AMR", |
| .mo_tx_sdp_mncc_rtp_create = { "AMR#98", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| /* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */ |
| .mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM, |
| .mt_tx_cc_setup_bcap = { |
| GSM48_BCAP_SV_AMR_F, |
| GSM48_BCAP_SV_AMR_H, |
| GSM48_BCAP_SV_AMR_OH, |
| GSM48_BCAP_SV_EFR, |
| GSM48_BCAP_SV_FR, |
| GSM48_BCAP_SV_HR, |
| LIST_END |
| }, |
| .mt_rx_ms_bcap = BCAP_ALL_GSM, |
| .mt_tx_sdp_mncc_call_conf_ind = {}, |
| .mt_rx_sdp_mncc_rtp_create = {}, |
| .mt_tx_assignment_perm_speech = { |
| GSM0808_PERM_FR3, |
| GSM0808_PERM_HR3, |
| GSM0808_PERM_FR2, |
| GSM0808_PERM_FR1, |
| GSM0808_PERM_HR1, |
| LIST_END |
| }, |
| .mt_rx_assigned_codec = "AMR", |
| .mt_tx_sdp_mncc_rtp_create = { "AMR#98", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_alert_ind = { "AMR#98", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mt_tx_sdp_mncc_setup_cnf = { "AMR#98", "GSM-EFR", "GSM", "GSM-HR-08" }, |
| .mo_tx_sdp_mncc_setup_compl_ind = {}, |
| }, |
| }; |
| |
| static char namebuf[4][1024]; |
| static int use_namebuf = 0; |
| |
| static const char *codec_list_name(const enum gsm0808_speech_codec_type compl_l3_codec_list_bss_supported[]) |
| { |
| struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) }; |
| use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf); |
| |
| const enum gsm0808_speech_codec_type *pos; |
| sb.buf[0] = '\0'; |
| for (pos = compl_l3_codec_list_bss_supported; *pos != LIST_END; pos++) |
| OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_speech_codec_type_name(*pos)); |
| return sb.buf; |
| } |
| |
| static const struct gsm0808_speech_codec_list *codec_list(const enum gsm0808_speech_codec_type compl_l3_codec_list_bss_supported[]) |
| { |
| static struct gsm0808_speech_codec_list scl; |
| scl = (struct gsm0808_speech_codec_list){}; |
| const enum gsm0808_speech_codec_type *pos; |
| for (pos = compl_l3_codec_list_bss_supported; *pos != LIST_END; pos++) { |
| scl.codec[scl.len] = (struct gsm0808_speech_codec){ |
| .fi = true, |
| .type = *pos, |
| }; |
| scl.len++; |
| } |
| return &scl; |
| } |
| |
| static const char *bcap_name(const enum gsm48_bcap_speech_ver ms_bcap[]) |
| { |
| struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) }; |
| use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf); |
| |
| const enum gsm48_bcap_speech_ver *pos; |
| sb.buf[0] = '\0'; |
| for (pos = ms_bcap; *pos != LIST_END; pos++) { |
| const struct codec_mapping *m = codec_mapping_by_speech_ver(*pos); |
| OSMO_STRBUF_PRINTF(sb, " %s", m ? m->sdp.subtype_name : "NULL"); |
| } |
| return sb.buf; |
| } |
| |
| static const char *perm_speech_name(const enum gsm0808_permitted_speech perm_speech[]) |
| { |
| struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) }; |
| use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf); |
| |
| const enum gsm0808_permitted_speech *pos; |
| sb.buf[0] = '\0'; |
| for (pos = perm_speech; *pos != LIST_END; pos++) |
| OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_permitted_speech_name(*pos)); |
| return sb.buf; |
| } |
| |
| static const char *strlist_name(const char *const*strs) |
| { |
| struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) }; |
| use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf); |
| |
| const char * const *pos; |
| sb.buf[0] = '\0'; |
| for (pos = strs; *pos != NULL; pos++) |
| OSMO_STRBUF_PRINTF(sb, " %s", *pos); |
| return sb.buf; |
| } |
| |
| /* Split an input string of "AMR#96" into "AMR" and 96: copy the subtype name without the "#96" part to |
| * split_subtype_name_and_pt_nr which must be a char[16]. If pt_nr is non-NULL, write the 96 to *pt_nr. |
| */ |
| static void split_subtype_name_and_pt_nr(char subtype_name_wo_pt[], int *pt_nr, const char *input) |
| { |
| char *hash; |
| osmo_strlcpy(subtype_name_wo_pt, input, 16); |
| hash = strchr(subtype_name_wo_pt, '#'); |
| if (hash) { |
| *hash = '\0'; |
| if (pt_nr) |
| *pt_nr = atoi(hash + 1); |
| } |
| } |
| |
| /* Validate that the codecs in sdp_str appear in the order as expected by the list of subtype names in expected_codecs. |
| * Ignore any payload type numbers ("#96") in expected_codecs. |
| */ |
| static bool validate_sdp(const char *func, const char *desc, |
| const char *sdp_str, const char * const expected_codecs[]) |
| { |
| const char * const *expect_pos; |
| struct sdp_audio_codec *codec; |
| struct sdp_msg sdp; |
| if (sdp_msg_from_sdp_str(&sdp, sdp_str)) { |
| BTW("%s: %s: ERROR: failed to parse SDP\n%s", func, desc, sdp_str); |
| return false; |
| } |
| |
| expect_pos = expected_codecs; |
| sdp_audio_codecs_foreach(codec, &sdp.audio_codecs) { |
| char subtype_name_wo_pt[16]; |
| if (!*expect_pos) { |
| BTW("%s: %s: ERROR: did not expect %s", func, desc, codec->subtype_name); |
| return false; |
| } |
| split_subtype_name_and_pt_nr(subtype_name_wo_pt, NULL, *expect_pos); |
| if (strcmp(subtype_name_wo_pt, codec->subtype_name)) { |
| BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s, got %s", func, desc, |
| (int)(expect_pos - expected_codecs), *expect_pos, codec->subtype_name); |
| return false; |
| } |
| expect_pos++; |
| |
| /* only match first codec */ |
| return true; |
| } |
| if (*expect_pos) { |
| BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc, *expect_pos); |
| return false; |
| } |
| return true; |
| } |
| |
| #define VALIDATE_SDP(GOT_SDP_STR, EXPECT_SDP_STR) do { \ |
| if (validate_sdp(__func__, t->desc, GOT_SDP_STR, EXPECT_SDP_STR)) { \ |
| btw("VALIDATE_SDP OK: " #GOT_SDP_STR " == " #EXPECT_SDP_STR " ==%s", strlist_name(EXPECT_SDP_STR)); \ |
| } else { \ |
| btw("Failed to validate SDP:\nexpected%s\ngot\n%s", \ |
| strlist_name(EXPECT_SDP_STR), GOT_SDP_STR); \ |
| OSMO_ASSERT(false); \ |
| } \ |
| } while (0) |
| |
| static bool validate_perm_speech(const char *func, const char *desc, |
| const struct gsm0808_channel_type *ct, |
| const enum gsm0808_permitted_speech perm_speech[]) |
| { |
| const enum gsm0808_permitted_speech *pos; |
| const uint8_t *pos2 = ct->perm_spch; |
| for (pos = perm_speech; *pos != LIST_END; pos++, pos2++) { |
| if (pos2 - ct->perm_spch >= ct->perm_spch_len) { |
| BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc, |
| gsm0808_permitted_speech_name(*pos)); |
| return false; |
| } |
| if (*pos2 != *pos) { |
| BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s", func, desc, |
| (int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos)); |
| btw("in idx %d, got %s", (int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos2)); |
| return false; |
| } |
| } |
| if (pos2 - ct->perm_spch < ct->perm_spch_len) { |
| BTW("%s: %s: ERROR: did not expect %s", func, desc, gsm0808_permitted_speech_name(*pos2)); |
| return false; |
| } |
| return true; |
| } |
| |
| #define VALIDATE_PERM_SPEECH(GOT_PERM_SPEECH, EXPECT_PERM_SPEECH) do { \ |
| if (validate_perm_speech(__func__, t->desc, GOT_PERM_SPEECH, EXPECT_PERM_SPEECH)) { \ |
| btw("VALIDATE_PERM_SPEECH OK: " #GOT_PERM_SPEECH " == " #EXPECT_PERM_SPEECH " ==%s", \ |
| perm_speech_name(EXPECT_PERM_SPEECH)); \ |
| } else { \ |
| btw("Failed to validate Permitted Speech:\nexpected%s", \ |
| perm_speech_name(EXPECT_PERM_SPEECH)); \ |
| btw("got:"); \ |
| int i; \ |
| for (i = 0; i < (GOT_PERM_SPEECH)->perm_spch_len; i++) { \ |
| btw("%s", gsm0808_permitted_speech_name((GOT_PERM_SPEECH)->perm_spch[i])); \ |
| } \ |
| OSMO_ASSERT(false); \ |
| } \ |
| } while (0) |
| |
| /* Compose a valid SDP string from the list of codec subtype names given. If a subtype name includes a payload type |
| * number ("AMR#96") then use that PT number in the SDP instead of the default from codec_mapping.c. */ |
| static struct sdp_msg *sdp_from_subtype_names(const char *const *subtype_names) |
| { |
| static struct sdp_msg sdp; |
| sdp = (struct sdp_msg){}; |
| const char *const *subtype_name; |
| osmo_sockaddr_str_from_str(&sdp.rtp, "1.2.3.4", 56); |
| for (subtype_name = subtype_names; *subtype_name; subtype_name++) { |
| char subtype_name_wo_pt[16]; |
| const struct codec_mapping *m; |
| struct sdp_audio_codec *ac; |
| int set_pt = -1; |
| split_subtype_name_and_pt_nr(subtype_name_wo_pt, &set_pt, *subtype_name); |
| m = codec_mapping_by_subtype_name(subtype_name_wo_pt); |
| if (!m) { |
| BTW("ERROR: unknown subtype_name: %s", *subtype_name); |
| abort(); |
| } |
| ac = sdp_audio_codecs_add_copy(&sdp.audio_codecs, &m->sdp); |
| if (set_pt >= 0) |
| ac->payload_type = set_pt; |
| } |
| return &sdp; |
| } |
| |
| static int sdp_str_from_subtype_names(char *buf, size_t buflen, const char *const *subtype_names) |
| { |
| if (!subtype_names[0]) { |
| buf[0] = '\0'; |
| return 0; |
| } |
| return sdp_msg_to_sdp_str_buf(buf, buflen, sdp_from_subtype_names(subtype_names)); |
| } |
| |
| static const char *bcap_hexstr(const enum gsm48_bcap_speech_ver ms_bcap[]) |
| { |
| struct gsm_mncc_bearer_cap bcap = { |
| .transfer = GSM_MNCC_BCAP_SPEECH, |
| .speech_ver = { -1 }, |
| }; |
| const enum gsm48_bcap_speech_ver *pos; |
| for (pos = ms_bcap; *pos != LIST_END; pos++) |
| bearer_cap_add_speech_ver(&bcap, *pos); |
| bearer_cap_set_radio(&bcap); |
| struct msgb *msg = msgb_alloc(128, "bcap"); |
| gsm48_encode_bearer_cap(msg, 0, &bcap); |
| char *ret = osmo_hexdump_nospc(msg->data, msg->len); |
| msgb_free(msg); |
| return ret; |
| } |
| |
| static void test_codecs_mo(const struct codec_test *t) |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| }; |
| |
| struct gsm_mncc_rtp mncc_rtp = {}; |
| |
| BTW("======================== MO call: %s", t->desc); |
| btw("CM Service Request with Codec List (BSS Supported) =%s", |
| codec_list_name(t->mo_rx_compl_l3_codec_list_bss_supported)); |
| |
| cm_service_result_sent = RES_NONE; |
| ms_sends_compl_l3("052471" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */, |
| codec_list(t->mo_rx_compl_l3_codec_list_bss_supported)); |
| VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| EXPECT_ACCEPTED(true); |
| |
| btw("MS sends CC SETUP with Bearer Capability = %s", |
| bcap_name(t->mo_rx_ms_bcap)); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| ms_sends_msgf("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */ |
| "%s" /* Bearer Capability */ |
| "5e038121f3" /* Called Number BCD */ |
| "15020100" /* CC Capabilities */ |
| "4008" /* Supported Codec List */ |
| "04026000" /* UMTS: AMR 2 | AMR */ |
| "00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */, |
| bcap_hexstr(t->mo_rx_ms_bcap) |
| ); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| |
| btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered"); |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| mncc.callref = mncc_rtp.callref = cc_to_mncc_tx_got_callref; |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_ind); |
| |
| btw("MNCC replies with MNCC_RTP_CREATE"); |
| sdp_str_from_subtype_names(mncc_rtp.sdp, sizeof(mncc_rtp.sdp), t->mo_rx_sdp_mncc_rtp_create); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("MGW acknowledges the CRCX, triggering Assignment with%s", perm_speech_name(t->mo_tx_assignment_perm_speech)); |
| expect_bssap_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(bssap_assignment_sent); |
| VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mo_tx_assignment_perm_speech); |
| |
| btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| ms_sends_assignment_complete(t->mo_rx_assigned_codec); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_rtp_create); |
| |
| btw("MNCC says that's fine"); |
| dtap_expect_tx("8302" /* CC: Call Proceeding */); |
| mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| btw("The other call leg got established (not shown here), MNCC tells us so, with codecs {%s }", |
| strlist_name(t->mo_rx_sdp_mncc_alert_req)); |
| dtap_expect_tx("8301" /* CC: Call Alerting */); |
| |
| if (t->mo_expect_reassignment) { |
| btw("Expecting re-assignment"); |
| expect_bssap_assignment(); |
| } |
| |
| sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_alert_req); |
| mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| if (t->mo_expect_reassignment) { |
| btw("Validating re-assignment"); |
| OSMO_ASSERT(bssap_assignment_sent); |
| VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mo_tx_reassignment_perm_speech); |
| ms_sends_assignment_complete(t->mo_rx_reassigned_codec); |
| } |
| |
| dtap_expect_tx("8307" /* CC: Connect */); |
| sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_setup_rsp); |
| mncc_sends_to_cc(MNCC_SETUP_RSP, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx("", MNCC_SETUP_COMPL_IND); |
| ms_sends_msg("03cf" /* CC: Connect Acknowledge */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_compl_ind); |
| |
| BTW("RTP stream goes ahead, not shown here."); |
| fake_time_passes(123, 45); |
| |
| BTW("Call ends"); |
| cc_to_mncc_expect_tx("", MNCC_DISC_IND); |
| ms_sends_msg("032502e090" /* CC: Disconnect, cause: Normal Call Clearing */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| dtap_expect_tx("832d" /* CC: Release */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| expect_bssap_clear(); |
| ms_sends_msg("036a" /* CC: Release Complete */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(bssap_clear_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| BTW("======================== SUCCESS: MO call: %s", t->desc); |
| } |
| |
| static void test_codecs_mt(const struct codec_test *t) |
| { |
| struct gsm_mncc mncc = { |
| .imsi = IMSI, |
| .callref = 0x423, |
| .fields = MNCC_F_BEARER_CAP, |
| .bearer_cap = { |
| .speech_ver = { GSM48_BCAP_SV_FR, -1, }, |
| }, |
| }; |
| struct gsm_mncc_rtp mncc_rtp = { |
| .callref = 0x423, |
| }; |
| |
| BTW("======================== MT call: %s", t->desc); |
| |
| BTW("MNCC asks us to setup a call, causing Paging"); |
| |
| paging_expect_imsi(IMSI); |
| paging_sent = false; |
| sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_req); |
| mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc); |
| mncc.sdp[0] = '\0'; |
| |
| VERBOSE_ASSERT(paging_sent, == true, "%d"); |
| |
| btw("MS replies with Paging Response, with Codec List (BSS Supported) =%s", |
| codec_list_name(t->mt_rx_compl_l3_codec_list_bss_supported)); |
| |
| if (t->expect_codec_mismatch_on_paging_response) { |
| btw("VLR accepts, but MSC notices a codec mismatch and aborts"); |
| cc_to_mncc_expect_tx("", MNCC_REL_IND); |
| expect_bssap_clear(); |
| ms_sends_compl_l3("062707" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */, |
| codec_list(t->mt_rx_compl_l3_codec_list_bss_supported)); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(bssap_clear_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| |
| BTW("======================== SUCCESS: MT call: %s", t->desc); |
| return; |
| } |
| |
| btw("VLR accepts, MSC sends CC Setup with Bearer Capability = %s", |
| bcap_name(t->mt_tx_cc_setup_bcap)); |
| char *cc_setup_bcap = talloc_asprintf(msc_vlr_tests_ctx, "0305%s", |
| bcap_hexstr(t->mt_tx_cc_setup_bcap)); |
| dtap_expect_tx(cc_setup_bcap); |
| ms_sends_compl_l3("062707" |
| "03575886" /* classmark 2 */ |
| "089910070000106005" /* IMSI */, |
| codec_list(t->mt_rx_compl_l3_codec_list_bss_supported)); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| talloc_free(cc_setup_bcap); |
| |
| btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND"); |
| expect_crcx(RTP_TO_CN); |
| expect_crcx(RTP_TO_RAN); |
| cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND); |
| ms_sends_msgf("8348" /* CC: Call Confirmed */ |
| "%s" /* Bearer Capability */ |
| "15020100" /* Call Control Capabilities */ |
| "40080402600400021f00" /* Supported Codec List */, |
| bcap_hexstr(t->mt_rx_ms_bcap) |
| ); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_CN)); |
| OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN)); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_call_conf_ind); |
| |
| btw("MGW acknowledges the CRCX to RAN, triggering Assignment with%s", perm_speech_name(t->mt_tx_assignment_perm_speech)); |
| |
| if (t->expect_codec_mismatch_on_cc_call_conf) { |
| btw("MS Bearer Capability leads to a codec mismatch, Assignment aborts"); |
| |
| dtap_expect_tx("032d0802e1af" /* CC Release */); |
| cc_to_mncc_expect_tx("", MNCC_REL_IND); |
| expect_bssap_clear(); |
| crcx_ok(RTP_TO_RAN); |
| |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(bssap_clear_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| BTW("======================== SUCCESS: MT call: %s", t->desc); |
| return; |
| } |
| |
| expect_bssap_assignment(); |
| crcx_ok(RTP_TO_RAN); |
| OSMO_ASSERT(bssap_assignment_sent); |
| VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mt_tx_assignment_perm_speech); |
| |
| btw("Assignment completes, triggering CRCX to CN"); |
| ms_sends_assignment_complete(t->mt_rx_assigned_codec); |
| |
| btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP"); |
| sdp_str_from_subtype_names(mncc_rtp.sdp, sizeof(mncc_rtp.sdp), t->mt_rx_sdp_mncc_rtp_create); |
| mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc_rtp); |
| |
| btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE"); |
| cc_to_mncc_expect_tx("", MNCC_RTP_CREATE); |
| crcx_ok(RTP_TO_CN); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_rtp_create); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx("", MNCC_ALERT_IND); |
| ms_sends_msg("8381" /* CC: Alerting */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_alert_ind); |
| |
| fake_time_passes(1, 23); |
| |
| cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF); |
| ms_sends_msg("83c7" /* CC: Connect */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_setup_cnf); |
| |
| dtap_expect_tx("030f" /* CC: Connect Acknowledge */); |
| sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_compl_req); |
| mncc_sends_to_cc(MNCC_SETUP_COMPL_REQ, &mncc); |
| |
| BTW("RTP stream goes ahead, not shown here."); |
| fake_time_passes(123, 45); |
| |
| BTW("Call ends"); |
| cc_to_mncc_expect_tx("", MNCC_DISC_IND); |
| ms_sends_msg("832502e090" /* CC: Disconnect, cause: Normal Call Clearing */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| |
| dtap_expect_tx("032d" /* CC: Release */); |
| mncc_sends_to_cc(MNCC_REL_REQ, &mncc); |
| OSMO_ASSERT(dtap_tx_confirmed); |
| |
| cc_to_mncc_expect_tx("", MNCC_REL_CNF); |
| expect_bssap_clear(); |
| ms_sends_msg("836a" /* CC: Release Complete */); |
| OSMO_ASSERT(cc_to_mncc_tx_confirmed); |
| OSMO_ASSERT(bssap_clear_sent); |
| |
| ran_sends_clear_complete(); |
| EXPECT_CONN_COUNT(0); |
| BTW("======================== SUCCESS: MT call: %s", t->desc); |
| } |
| |
| static void test_codecs(void) |
| { |
| const struct codec_test *t; |
| clear_vlr(); |
| |
| comment_start(); |
| |
| fake_time_start(); |
| |
| lu_geran_noauth(); |
| |
| for (t = codec_tests; t - codec_tests < ARRAY_SIZE(codec_tests); t++) { |
| test_codecs_mo(t); |
| test_codecs_mt(t); |
| } |
| |
| EXPECT_CONN_COUNT(0); |
| clear_vlr(); |
| comment_end(); |
| } |
| |
| msc_vlr_test_func_t msc_vlr_tests[] = { |
| test_call_mo, |
| test_call_mt, |
| test_call_mt2, |
| test_call_mo_to_unknown, |
| test_call_mo_to_unknown_timeout, |
| test_codecs, |
| NULL |
| }; |