Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu> |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <errno.h> |
| 23 | |
| 24 | #include <assert.h> |
| 25 | |
| 26 | #include <osmocom/core/application.h> |
| 27 | #include <osmocom/core/select.h> |
| 28 | #include <osmocom/core/talloc.h> |
| 29 | |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 30 | #include <osmocom/mgcp_client/mgcp_client_endpoint_fsm.h> |
Pau Espin Pedrol | e249045 | 2018-03-17 01:16:54 +0100 | [diff] [blame] | 31 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 32 | #include <osmocom/bsc/abis_rsl.h> |
| 33 | #include <osmocom/bsc/debug.h> |
| 34 | #include <osmocom/bsc/bsc_subscriber.h> |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 35 | #include <osmocom/bsc/lchan_select.h> |
| 36 | #include <osmocom/bsc/lchan_fsm.h> |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 37 | #include <osmocom/bsc/handover_decision.h> |
| 38 | #include <osmocom/bsc/system_information.h> |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 39 | #include <osmocom/bsc/handover.h> |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 40 | #include <osmocom/bsc/handover_cfg.h> |
| 41 | #include <osmocom/bsc/handover_decision_2.h> |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 42 | #include <osmocom/bsc/bss.h> |
Neels Hofmeyr | 81a4963 | 2018-07-24 18:10:05 +0200 | [diff] [blame] | 43 | #include <osmocom/bsc/gsm_08_08.h> |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 44 | #include <osmocom/bsc/osmo_bsc.h> |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 45 | #include <osmocom/bsc/bsc_subscr_conn_fsm.h> |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 46 | #include <osmocom/bsc/timeslot_fsm.h> |
| 47 | #include <osmocom/bsc/lchan_fsm.h> |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 48 | #include <osmocom/bsc/handover_fsm.h> |
| 49 | #include <osmocom/bsc/bsc_msc_data.h> |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 50 | |
Neels Hofmeyr | e341618 | 2018-03-05 05:31:14 +0100 | [diff] [blame] | 51 | void *ctx; |
| 52 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 53 | struct gsm_network *bsc_gsmnet; |
| 54 | |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 55 | /* override, requires '-Wl,--wrap=osmo_mgcpc_ep_ci_request'. |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 56 | * Catch modification of an MGCP connection. */ |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 57 | void __real_osmo_mgcpc_ep_ci_request(struct osmo_mgcpc_ep_ci *ci, |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 58 | enum mgcp_verb verb, const struct mgcp_conn_peer *verb_info, |
| 59 | struct osmo_fsm_inst *notify, |
| 60 | uint32_t event_success, uint32_t event_failure, |
| 61 | void *notify_data); |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 62 | void __wrap_osmo_mgcpc_ep_ci_request(struct osmo_mgcpc_ep_ci *ci, |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 63 | enum mgcp_verb verb, const struct mgcp_conn_peer *verb_info, |
| 64 | struct osmo_fsm_inst *notify, |
| 65 | uint32_t event_success, uint32_t event_failure, |
| 66 | void *notify_data) |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 67 | { |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 68 | struct mgcp_conn_peer fake_data = {}; |
| 69 | /* All MGCP shall be successful */ |
| 70 | if (!notify) |
| 71 | return; |
| 72 | osmo_fsm_inst_dispatch(notify, event_success, &fake_data); |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 73 | } |
| 74 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 75 | /* measurement report */ |
| 76 | |
| 77 | uint8_t meas_rep_ba = 0, meas_rep_valid = 1, meas_valid = 1, meas_multi_rep = 0; |
| 78 | uint8_t meas_dl_rxlev = 0, meas_dl_rxqual = 0; |
| 79 | uint8_t meas_ul_rxlev = 0, meas_ul_rxqual = 0; |
| 80 | uint8_t meas_tx_power_ms = 0, meas_tx_power_bs = 0, meas_ta_ms = 0; |
| 81 | uint8_t meas_dtx_ms = 0, meas_dtx_bs = 0, meas_nr = 0; |
| 82 | uint8_t meas_num_nc = 0, meas_rxlev_nc[6], meas_bsic_nc[6], meas_bcch_f_nc[6]; |
| 83 | |
| 84 | static void gen_meas_rep(struct gsm_lchan *lchan) |
| 85 | { |
| 86 | struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| 87 | struct abis_rsl_dchan_hdr *dh; |
| 88 | uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| 89 | uint8_t ulm[3], l1i[2], *buf; |
| 90 | struct gsm48_hdr *gh; |
| 91 | struct gsm48_meas_res *mr; |
| 92 | |
| 93 | dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh)); |
| 94 | dh->c.msg_discr = ABIS_RSL_MDISC_DED_CHAN; |
| 95 | dh->c.msg_type = RSL_MT_MEAS_RES; |
| 96 | dh->ie_chan = RSL_IE_CHAN_NR; |
| 97 | dh->chan_nr = chan_nr; |
| 98 | |
| 99 | msgb_tv_put(msg, RSL_IE_MEAS_RES_NR, meas_nr++); |
| 100 | |
| 101 | ulm[0] = meas_ul_rxlev | (meas_dtx_bs << 7); |
| 102 | ulm[1] = meas_ul_rxlev; |
| 103 | ulm[2] = (meas_ul_rxqual << 3) | meas_ul_rxqual; |
| 104 | msgb_tlv_put(msg, RSL_IE_UPLINK_MEAS, sizeof(ulm), ulm); |
| 105 | |
| 106 | msgb_tv_put(msg, RSL_IE_BS_POWER, meas_tx_power_bs); |
| 107 | |
| 108 | l1i[0] = 0; |
| 109 | l1i[1] = meas_ta_ms; |
| 110 | msgb_tv_fixed_put(msg, RSL_IE_L1_INFO, sizeof(l1i), l1i); |
| 111 | |
| 112 | buf = msgb_put(msg, 3); |
| 113 | buf[0] = RSL_IE_L3_INFO; |
| 114 | buf[1] = (sizeof(*gh) + sizeof(*mr)) >> 8; |
| 115 | buf[2] = (sizeof(*gh) + sizeof(*mr)) & 0xff; |
| 116 | |
| 117 | gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); |
| 118 | mr = (struct gsm48_meas_res *) msgb_put(msg, sizeof(*mr)); |
| 119 | |
| 120 | gh->proto_discr = GSM48_PDISC_RR; |
| 121 | gh->msg_type = GSM48_MT_RR_MEAS_REP; |
| 122 | |
| 123 | /* measurement results */ |
| 124 | mr->rxlev_full = meas_dl_rxlev; |
| 125 | mr->rxlev_sub = meas_dl_rxlev; |
| 126 | mr->rxqual_full = meas_dl_rxqual; |
| 127 | mr->rxqual_sub = meas_dl_rxqual; |
| 128 | mr->dtx_used = meas_dtx_ms; |
| 129 | mr->ba_used = meas_rep_ba; |
| 130 | mr->meas_valid = !meas_valid; /* 0 = valid */ |
| 131 | if (meas_rep_valid) { |
| 132 | mr->no_nc_n_hi = meas_num_nc >> 2; |
| 133 | mr->no_nc_n_lo = meas_num_nc & 3; |
| 134 | } else { |
| 135 | /* no results for serving cells */ |
| 136 | mr->no_nc_n_hi = 1; |
| 137 | mr->no_nc_n_lo = 3; |
| 138 | } |
| 139 | mr->rxlev_nc1 = meas_rxlev_nc[0]; |
| 140 | mr->rxlev_nc2_hi = meas_rxlev_nc[1] >> 1; |
| 141 | mr->rxlev_nc2_lo = meas_rxlev_nc[1] & 1; |
| 142 | mr->rxlev_nc3_hi = meas_rxlev_nc[2] >> 2; |
| 143 | mr->rxlev_nc3_lo = meas_rxlev_nc[2] & 3; |
| 144 | mr->rxlev_nc4_hi = meas_rxlev_nc[3] >> 3; |
| 145 | mr->rxlev_nc4_lo = meas_rxlev_nc[3] & 7; |
| 146 | mr->rxlev_nc5_hi = meas_rxlev_nc[4] >> 4; |
| 147 | mr->rxlev_nc5_lo = meas_rxlev_nc[4] & 15; |
| 148 | mr->rxlev_nc6_hi = meas_rxlev_nc[5] >> 5; |
| 149 | mr->rxlev_nc6_lo = meas_rxlev_nc[5] & 31; |
| 150 | mr->bsic_nc1_hi = meas_bsic_nc[0] >> 3; |
| 151 | mr->bsic_nc1_lo = meas_bsic_nc[0] & 7; |
| 152 | mr->bsic_nc2_hi = meas_bsic_nc[1] >> 4; |
| 153 | mr->bsic_nc2_lo = meas_bsic_nc[1] & 15; |
| 154 | mr->bsic_nc3_hi = meas_bsic_nc[2] >> 5; |
| 155 | mr->bsic_nc3_lo = meas_bsic_nc[2] & 31; |
| 156 | mr->bsic_nc4 = meas_bsic_nc[3]; |
| 157 | mr->bsic_nc5 = meas_bsic_nc[4]; |
| 158 | mr->bsic_nc6 = meas_bsic_nc[5]; |
| 159 | mr->bcch_f_nc1 = meas_bcch_f_nc[0]; |
| 160 | mr->bcch_f_nc2 = meas_bcch_f_nc[1]; |
| 161 | mr->bcch_f_nc3 = meas_bcch_f_nc[2]; |
| 162 | mr->bcch_f_nc4 = meas_bcch_f_nc[3]; |
| 163 | mr->bcch_f_nc5_hi = meas_bcch_f_nc[4] >> 1; |
| 164 | mr->bcch_f_nc5_lo = meas_bcch_f_nc[4] & 1; |
| 165 | mr->bcch_f_nc6_hi = meas_bcch_f_nc[5] >> 2; |
| 166 | mr->bcch_f_nc6_lo = meas_bcch_f_nc[5] & 3; |
| 167 | |
| 168 | msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| 169 | msg->l2h = (unsigned char *)dh; |
| 170 | msg->l3h = (unsigned char *)gh; |
| 171 | |
| 172 | abis_rsl_rcvmsg(msg); |
| 173 | } |
| 174 | |
| 175 | static struct gsm_bts *create_bts(int arfcn) |
| 176 | { |
| 177 | struct gsm_bts *bts; |
| 178 | struct e1inp_sign_link *rsl_link; |
| 179 | int i; |
| 180 | |
Neels Hofmeyr | 958f259 | 2018-05-27 01:26:31 +0200 | [diff] [blame] | 181 | bts = bsc_bts_alloc_register(bsc_gsmnet, GSM_BTS_TYPE_OSMOBTS, 0x3f); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 182 | if (!bts) { |
| 183 | printf("No resource for bts1\n"); |
| 184 | return NULL; |
| 185 | } |
| 186 | |
| 187 | bts->location_area_code = 23; |
| 188 | bts->c0->arfcn = arfcn; |
| 189 | |
| 190 | bts->codec.efr = 1; |
| 191 | bts->codec.hr = 1; |
| 192 | bts->codec.amr = 1; |
| 193 | |
Neels Hofmeyr | e341618 | 2018-03-05 05:31:14 +0100 | [diff] [blame] | 194 | rsl_link = talloc_zero(ctx, struct e1inp_sign_link); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 195 | rsl_link->trx = bts->c0; |
| 196 | bts->c0->rsl_link = rsl_link; |
| 197 | |
| 198 | bts->c0->mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| 199 | bts->c0->mo.nm_state.availability = NM_AVSTATE_OK; |
| 200 | bts->c0->bb_transc.mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| 201 | bts->c0->bb_transc.mo.nm_state.availability = NM_AVSTATE_OK; |
| 202 | |
| 203 | /* 4 full rate and 4 half rate channels */ |
| 204 | for (i = 1; i <= 6; i++) { |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 205 | bts->c0->ts[i].pchan_from_config = (i < 5) ? GSM_PCHAN_TCH_F : GSM_PCHAN_TCH_H; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 206 | bts->c0->ts[i].mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| 207 | bts->c0->ts[i].mo.nm_state.availability = NM_AVSTATE_OK; |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | for (i = 0; i < ARRAY_SIZE(bts->c0->ts); i++) { |
| 211 | /* make sure ts->lchans[] get initialized */ |
Neels Hofmeyr | bcdbfb7 | 2018-07-26 20:33:15 +0200 | [diff] [blame] | 212 | osmo_fsm_inst_dispatch(bts->c0->ts[i].fi, TS_EV_RSL_READY, 0); |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 213 | osmo_fsm_inst_dispatch(bts->c0->ts[i].fi, TS_EV_OML_READY, 0); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 214 | } |
| 215 | return bts; |
| 216 | } |
| 217 | |
| 218 | void create_conn(struct gsm_lchan *lchan) |
| 219 | { |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 220 | static struct bsc_msc_data fake_msc_data = {}; |
Philipp Maier | 0a4d2e5 | 2018-11-12 09:50:05 +0100 | [diff] [blame] | 221 | fake_msc_data.network = bsc_gsmnet; |
Neels Hofmeyr | bb6c13b | 2018-05-24 18:43:58 +0200 | [diff] [blame] | 222 | static unsigned int next_imsi = 0; |
| 223 | char imsi[sizeof(lchan->conn->bsub->imsi)]; |
| 224 | struct gsm_network *net = lchan->ts->trx->bts->network; |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 225 | struct gsm_subscriber_connection *conn; |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 226 | struct mgcp_client *fake_mgcp_client = (void*)talloc_zero(net, int); |
Philipp Maier | 9108d47 | 2018-10-23 09:33:19 +0200 | [diff] [blame] | 227 | uint8_t *amr_conf; |
| 228 | |
| 229 | /* HACK: lchan_fsm.c requires some AMR codec rates to be enabled, |
| 230 | * lets pretend that all AMR codec rates are allowed */ |
| 231 | amr_conf = (uint8_t*) &fake_msc_data.amr_conf; |
| 232 | amr_conf[1] = 0xff; |
Neels Hofmeyr | bb6c13b | 2018-05-24 18:43:58 +0200 | [diff] [blame] | 233 | |
| 234 | conn = bsc_subscr_con_allocate(net); |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 235 | |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 236 | conn->user_plane.mgw_endpoint = osmo_mgcpc_ep_alloc(conn->fi, |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 237 | GSCON_EV_FORGET_MGW_ENDPOINT, |
Neels Hofmeyr | f14aaa4 | 2019-04-23 18:37:37 +0200 | [diff] [blame] | 238 | fake_mgcp_client, |
| 239 | net->mgw.tdefs, |
| 240 | "test", |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 241 | "fake endpoint"); |
| 242 | conn->sccp.msc = &fake_msc_data; |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 243 | |
| 244 | lchan->conn = conn; |
| 245 | conn->lchan = lchan; |
Neels Hofmeyr | bb6c13b | 2018-05-24 18:43:58 +0200 | [diff] [blame] | 246 | |
| 247 | /* Make up a new IMSI for this test, for logging the subscriber */ |
| 248 | next_imsi ++; |
| 249 | snprintf(imsi, sizeof(imsi), "%06u", next_imsi); |
| 250 | lchan->conn->bsub = bsc_subscr_find_or_create_by_imsi(net->bsc_subscribers, imsi); |
| 251 | |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 252 | /* kick the FSM from INIT through to the ACTIVE state */ |
| 253 | osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_A_CONN_REQ, NULL); |
| 254 | osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_A_CONN_CFM, NULL); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | /* create lchan */ |
| 258 | struct gsm_lchan *create_lchan(struct gsm_bts *bts, int full_rate, char *codec) |
| 259 | { |
| 260 | struct gsm_lchan *lchan; |
| 261 | |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 262 | lchan = lchan_select_by_type(bts, (full_rate) ? GSM_LCHAN_TCH_F : GSM_LCHAN_TCH_H); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 263 | if (!lchan) { |
| 264 | printf("No resource for lchan\n"); |
| 265 | exit(EXIT_FAILURE); |
| 266 | } |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 267 | |
| 268 | /* serious hack into osmo_fsm */ |
| 269 | lchan->fi->state = LCHAN_ST_ESTABLISHED; |
| 270 | lchan->ts->fi->state = TS_ST_IN_USE; |
| 271 | LOG_LCHAN(lchan, LOGL_DEBUG, "activated by handover_test.c\n"); |
| 272 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 273 | create_conn(lchan); |
| 274 | if (!strcasecmp(codec, "FR") && full_rate) |
| 275 | lchan->tch_mode = GSM48_CMODE_SPEECH_V1; |
| 276 | else if (!strcasecmp(codec, "HR") && !full_rate) |
| 277 | lchan->tch_mode = GSM48_CMODE_SPEECH_V1; |
| 278 | else if (!strcasecmp(codec, "EFR") && full_rate) |
| 279 | lchan->tch_mode = GSM48_CMODE_SPEECH_EFR; |
Philipp Maier | eda6bfa | 2019-03-11 14:10:26 +0100 | [diff] [blame] | 280 | else if (!strcasecmp(codec, "AMR")) { |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 281 | lchan->tch_mode = GSM48_CMODE_SPEECH_AMR; |
Philipp Maier | eda6bfa | 2019-03-11 14:10:26 +0100 | [diff] [blame] | 282 | lchan->activate.info.s15_s0 = 0x0002; |
| 283 | } else { |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 284 | printf("Given codec unknown\n"); |
| 285 | exit(EXIT_FAILURE); |
| 286 | } |
| 287 | |
| 288 | lchan->conn->codec_list = (struct gsm0808_speech_codec_list){ |
| 289 | .codec = { |
| 290 | { .fi=true, .type=GSM0808_SCT_FR1, }, |
| 291 | { .fi=true, .type=GSM0808_SCT_FR2, }, |
| 292 | { .fi=true, .type=GSM0808_SCT_FR3, }, |
| 293 | { .fi=true, .type=GSM0808_SCT_HR1, }, |
| 294 | { .fi=true, .type=GSM0808_SCT_HR3, }, |
| 295 | }, |
| 296 | .len = 5, |
| 297 | }; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 298 | |
| 299 | return lchan; |
| 300 | } |
| 301 | |
| 302 | /* parse channel request */ |
| 303 | |
| 304 | static int got_chan_req = 0; |
| 305 | static struct gsm_lchan *chan_req_lchan = NULL; |
| 306 | |
| 307 | static int parse_chan_act(struct gsm_lchan *lchan, uint8_t *data) |
| 308 | { |
| 309 | chan_req_lchan = lchan; |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | static int parse_chan_rel(struct gsm_lchan *lchan, uint8_t *data) |
| 314 | { |
| 315 | chan_req_lchan = lchan; |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | /* parse handover request */ |
| 320 | |
| 321 | static int got_ho_req = 0; |
| 322 | static struct gsm_lchan *ho_req_lchan = NULL; |
| 323 | |
| 324 | static int parse_ho_command(struct gsm_lchan *lchan, uint8_t *data, int len) |
| 325 | { |
| 326 | struct gsm48_hdr *gh = (struct gsm48_hdr *) data; |
| 327 | struct gsm48_ho_cmd *ho = (struct gsm48_ho_cmd *) gh->data; |
| 328 | int arfcn; |
| 329 | struct gsm_bts *neigh; |
| 330 | |
| 331 | switch (gh->msg_type) { |
| 332 | case GSM48_MT_RR_HANDO_CMD: |
| 333 | arfcn = (ho->cell_desc.arfcn_hi << 8) | ho->cell_desc.arfcn_lo; |
| 334 | |
| 335 | /* look up trx. since every dummy bts uses different arfcn and |
| 336 | * only one trx, it is simple */ |
| 337 | llist_for_each_entry(neigh, &bsc_gsmnet->bts_list, list) { |
| 338 | if (neigh->c0->arfcn != arfcn) |
| 339 | continue; |
| 340 | ho_req_lchan = lchan; |
| 341 | return 0; |
| 342 | } |
| 343 | break; |
| 344 | case GSM48_MT_RR_ASS_CMD: |
| 345 | ho_req_lchan = lchan; |
| 346 | return 0; |
| 347 | break; |
| 348 | default: |
| 349 | fprintf(stderr, "Error, expecting HO or AS command\n"); |
| 350 | return -EINVAL; |
| 351 | } |
| 352 | |
| 353 | return -1; |
| 354 | } |
| 355 | |
| 356 | /* send channel activation ack */ |
| 357 | static void send_chan_act_ack(struct gsm_lchan *lchan, int act) |
| 358 | { |
| 359 | struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| 360 | struct abis_rsl_dchan_hdr *dh; |
| 361 | |
| 362 | dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh)); |
| 363 | dh->c.msg_discr = ABIS_RSL_MDISC_DED_CHAN; |
| 364 | dh->c.msg_type = (act) ? RSL_MT_CHAN_ACTIV_ACK : RSL_MT_RF_CHAN_REL_ACK; |
| 365 | dh->ie_chan = RSL_IE_CHAN_NR; |
| 366 | dh->chan_nr = gsm_lchan2chan_nr(lchan); |
| 367 | |
| 368 | msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| 369 | msg->l2h = (unsigned char *)dh; |
| 370 | |
| 371 | abis_rsl_rcvmsg(msg); |
| 372 | } |
| 373 | |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 374 | /* Send RLL Est Ind for SAPI[0] */ |
| 375 | static void send_est_ind(struct gsm_lchan *lchan) |
| 376 | { |
| 377 | struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| 378 | struct abis_rsl_rll_hdr *rh; |
| 379 | uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| 380 | |
| 381 | rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh)); |
| 382 | rh->c.msg_discr = ABIS_RSL_MDISC_RLL; |
| 383 | rh->c.msg_type = RSL_MT_EST_IND; |
| 384 | rh->ie_chan = RSL_IE_CHAN_NR; |
| 385 | rh->chan_nr = chan_nr; |
| 386 | rh->ie_link_id = RSL_IE_LINK_IDENT; |
| 387 | rh->link_id = 0x00; |
| 388 | |
| 389 | msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| 390 | msg->l2h = (unsigned char *)rh; |
| 391 | |
| 392 | abis_rsl_rcvmsg(msg); |
| 393 | } |
| 394 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 395 | /* send handover complete */ |
| 396 | static void send_ho_complete(struct gsm_lchan *lchan, bool success) |
| 397 | { |
| 398 | struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| 399 | struct abis_rsl_rll_hdr *rh; |
| 400 | uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| 401 | uint8_t *buf; |
| 402 | struct gsm48_hdr *gh; |
| 403 | struct gsm48_ho_cpl *hc; |
| 404 | |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 405 | send_est_ind(lchan); |
Neels Hofmeyr | ac85b34 | 2018-07-12 21:23:26 +0200 | [diff] [blame] | 406 | osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RTP_READY, 0); |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 407 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 408 | rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh)); |
| 409 | rh->c.msg_discr = ABIS_RSL_MDISC_RLL; |
| 410 | rh->c.msg_type = RSL_MT_DATA_IND; |
| 411 | rh->ie_chan = RSL_IE_CHAN_NR; |
| 412 | rh->chan_nr = chan_nr; |
| 413 | rh->ie_link_id = RSL_IE_LINK_IDENT; |
| 414 | rh->link_id = 0x00; |
| 415 | |
| 416 | buf = msgb_put(msg, 3); |
| 417 | buf[0] = RSL_IE_L3_INFO; |
| 418 | buf[1] = (sizeof(*gh) + sizeof(*hc)) >> 8; |
| 419 | buf[2] = (sizeof(*gh) + sizeof(*hc)) & 0xff; |
| 420 | |
| 421 | gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); |
| 422 | hc = (struct gsm48_ho_cpl *) msgb_put(msg, sizeof(*hc)); |
| 423 | |
| 424 | gh->proto_discr = GSM48_PDISC_RR; |
| 425 | gh->msg_type = |
| 426 | success ? GSM48_MT_RR_HANDO_COMPL : GSM48_MT_RR_HANDO_FAIL; |
| 427 | |
| 428 | msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| 429 | msg->l2h = (unsigned char *)rh; |
| 430 | msg->l3h = (unsigned char *)gh; |
| 431 | |
| 432 | abis_rsl_rcvmsg(msg); |
| 433 | } |
| 434 | |
Neels Hofmeyr | 1d7473c | 2018-03-05 21:53:18 +0100 | [diff] [blame] | 435 | /* override, requires '-Wl,--wrap=abis_rsl_sendmsg'. |
| 436 | * Catch RSL messages sent towards the BTS. */ |
| 437 | int __real_abis_rsl_sendmsg(struct msgb *msg); |
| 438 | int __wrap_abis_rsl_sendmsg(struct msgb *msg) |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 439 | { |
| 440 | struct abis_rsl_dchan_hdr *dh = (struct abis_rsl_dchan_hdr *) msg->data; |
| 441 | struct e1inp_sign_link *sign_link = msg->dst; |
| 442 | int rc; |
| 443 | struct gsm_lchan *lchan = rsl_lchan_lookup(sign_link->trx, dh->chan_nr, &rc); |
| 444 | |
| 445 | if (rc) { |
| 446 | printf("rsl_lchan_lookup() failed\n"); |
| 447 | exit(1); |
| 448 | } |
| 449 | |
| 450 | switch (dh->c.msg_type) { |
| 451 | case RSL_MT_CHAN_ACTIV: |
| 452 | rc = parse_chan_act(lchan, dh->data); |
| 453 | if (rc == 0) |
| 454 | got_chan_req = 1; |
| 455 | break; |
| 456 | case RSL_MT_RF_CHAN_REL: |
| 457 | rc = parse_chan_rel(lchan, dh->data); |
| 458 | if (rc == 0) |
| 459 | send_chan_act_ack(chan_req_lchan, 0); |
| 460 | break; |
| 461 | case RSL_MT_DATA_REQ: |
| 462 | rc = parse_ho_command(lchan, msg->l3h, msgb_l3len(msg)); |
| 463 | if (rc == 0) |
| 464 | got_ho_req = 1; |
| 465 | break; |
| 466 | case RSL_MT_IPAC_CRCX: |
| 467 | break; |
Neels Hofmeyr | 5b1a7d1 | 2018-11-06 22:24:07 +0100 | [diff] [blame] | 468 | case RSL_MT_DEACTIVATE_SACCH: |
| 469 | break; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 470 | default: |
| 471 | printf("unknown rsl message=0x%x\n", dh->c.msg_type); |
| 472 | } |
| 473 | return 0; |
| 474 | } |
| 475 | |
| 476 | /* test cases */ |
| 477 | |
| 478 | static char *test_case_0[] = { |
| 479 | "2", |
| 480 | |
| 481 | "Stay in better cell\n\n" |
| 482 | "There are many neighbor cells, but only the current cell is the best\n" |
| 483 | "cell, so no handover is performed\n", |
| 484 | |
| 485 | "create-bts", "7", |
| 486 | "create-ms", "0", "TCH/F", "AMR", |
| 487 | "meas-rep", "0", "30","0", |
| 488 | "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| 489 | "expect-no-chan", |
| 490 | NULL |
| 491 | }; |
| 492 | |
| 493 | static char *test_case_1[] = { |
| 494 | "2", |
| 495 | |
| 496 | "Handover to best better cell\n\n" |
| 497 | "The best neighbor cell is selected\n", |
| 498 | |
| 499 | "create-bts", "7", |
| 500 | "create-ms", "0", "TCH/F", "AMR", |
| 501 | "meas-rep", "0", "10","0", |
| 502 | "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| 503 | "expect-chan", "5", "1", |
| 504 | "ack-chan", |
| 505 | "expect-ho", "0", "1", |
| 506 | "ho-complete", |
| 507 | NULL |
| 508 | }; |
| 509 | |
| 510 | static char *test_case_2[] = { |
| 511 | "2", |
| 512 | |
| 513 | "Handover and Assignment must be enabled\n\n" |
| 514 | "This test will start with disabled assignment and handover. A\n" |
| 515 | "better neighbor cell (assignment enabled) will not be selected and \n" |
| 516 | "also no assignment from TCH/H to TCH/F to improve quality. There\n" |
| 517 | "will be no handover nor assignment. After enabling assignment on the\n" |
| 518 | "current cell, the MS will assign to TCH/F. After enabling handover\n" |
| 519 | "in the current cell, but disabling in the neighbor cell, handover\n" |
| 520 | "will not be performed, until it is enabled in the neighbor cell too.\n", |
| 521 | |
| 522 | "create-bts", "2", |
| 523 | "afs-rxlev-improve", "0", "5", |
| 524 | "create-ms", "0", "TCH/H", "AMR", |
| 525 | "as-enable", "0", "0", |
| 526 | "ho-enable", "0", "0", |
| 527 | "meas-rep", "0", "0","0", "1","0","30", |
| 528 | "expect-no-chan", |
| 529 | "as-enable", "0", "1", |
| 530 | "meas-rep", "0", "0","0", "1","0","30", |
| 531 | "expect-chan", "0", "1", |
| 532 | "ack-chan", |
| 533 | "expect-ho", "0", "5", |
| 534 | "ho-complete", |
| 535 | "ho-enable", "0", "1", |
| 536 | "ho-enable", "1", "0", |
| 537 | "meas-rep", "0", "0","0", "1","0","30", |
| 538 | "expect-no-chan", |
| 539 | "ho-enable", "1", "1", |
| 540 | "meas-rep", "0", "0","0", "1","0","30", |
| 541 | "expect-chan", "1", "1", |
| 542 | "ack-chan", |
| 543 | "expect-ho", "0", "1", |
| 544 | "ho-complete", |
| 545 | NULL |
| 546 | }; |
| 547 | |
| 548 | static char *test_case_3[] = { |
| 549 | "2", |
| 550 | |
| 551 | "Penalty timer must not run\n\n" |
| 552 | "The MS will try to handover to a better cell, but this will fail.\n" |
| 553 | "Even though the cell is still better, handover will not be performed\n" |
| 554 | "due to penalty timer after handover failure\n", |
| 555 | |
| 556 | "create-bts", "2", |
| 557 | "create-ms", "0", "TCH/F", "AMR", |
| 558 | "meas-rep", "0", "20","0", "1","0","30", |
| 559 | "expect-chan", "1", "1", |
| 560 | "ack-chan", |
| 561 | "expect-ho", "0", "1", |
| 562 | "ho-failed", |
| 563 | "meas-rep", "0", "20","0", "1","0","30", |
| 564 | "expect-no-chan", |
| 565 | NULL |
| 566 | }; |
| 567 | |
| 568 | static char *test_case_4[] = { |
| 569 | "2", |
| 570 | |
| 571 | "TCH/H keeping with HR codec\n\n" |
| 572 | "The MS is using half rate V1 codec, but the better cell is congested\n" |
| 573 | "at TCH/H slots. As the congestion is removed, the handover takes\n" |
| 574 | "place.\n", |
| 575 | |
| 576 | "create-bts", "2", |
| 577 | "set-min-free", "1", "TCH/H", "4", |
| 578 | "create-ms", "0", "TCH/H", "HR", |
| 579 | "meas-rep", "0", "20","0", "1","0","30", |
| 580 | "expect-no-chan", |
| 581 | "set-min-free", "1", "TCH/H", "3", |
| 582 | "meas-rep", "0", "20","0", "1","0","30", |
| 583 | "expect-chan", "1", "5", |
| 584 | "ack-chan", |
| 585 | "expect-ho", "0", "5", |
| 586 | "ho-complete", |
| 587 | NULL |
| 588 | }; |
| 589 | |
| 590 | static char *test_case_5[] = { |
| 591 | "2", |
| 592 | |
| 593 | "TCH/F keeping with FR codec\n\n" |
| 594 | "The MS is using full rate V1 codec, but the better cell is congested\n" |
| 595 | "at TCH/F slots. As the congestion is removed, the handover takes\n" |
| 596 | "place.\n", |
| 597 | |
| 598 | "create-bts", "2", |
| 599 | "set-min-free", "1", "TCH/F", "4", |
| 600 | "create-ms", "0", "TCH/F", "FR", |
| 601 | "meas-rep", "0", "20","0", "1","0","30", |
| 602 | "expect-no-chan", |
| 603 | "set-min-free", "1", "TCH/F", "3", |
| 604 | "meas-rep", "0", "20","0", "1","0","30", |
| 605 | "expect-chan", "1", "1", |
| 606 | "ack-chan", |
| 607 | "expect-ho", "0", "1", |
| 608 | "ho-complete", |
| 609 | NULL |
| 610 | }; |
| 611 | |
| 612 | static char *test_case_6[] = { |
| 613 | "2", |
| 614 | |
| 615 | "TCH/F keeping with EFR codec\n\n" |
| 616 | "The MS is using full rate V2 codec, but the better cell is congested\n" |
| 617 | "at TCH/F slots. As the congestion is removed, the handover takes\n" |
| 618 | "place.\n", |
| 619 | |
| 620 | "create-bts", "2", |
| 621 | "set-min-free", "1", "TCH/F", "4", |
| 622 | "create-ms", "0", "TCH/F", "EFR", |
| 623 | "meas-rep", "0", "20","0", "1","0","30", |
| 624 | "expect-no-chan", |
| 625 | "set-min-free", "1", "TCH/F", "3", |
| 626 | "meas-rep", "0", "20","0", "1","0","30", |
| 627 | "expect-chan", "1", "1", |
| 628 | "ack-chan", |
| 629 | "expect-ho", "0", "1", |
| 630 | "ho-complete", |
| 631 | NULL |
| 632 | }; |
| 633 | |
| 634 | static char *test_case_7[] = { |
| 635 | "2", |
| 636 | |
| 637 | "TCH/F to TCH/H changing with AMR codec\n\n" |
| 638 | "The MS is using AMR V3 codec, the better cell is congested at TCH/F\n" |
| 639 | "slots. The handover is performed to non-congested TCH/H slots.\n", |
| 640 | |
| 641 | "create-bts", "2", |
| 642 | "set-min-free", "1", "TCH/F", "4", |
| 643 | "create-ms", "0", "TCH/F", "AMR", |
| 644 | "meas-rep", "0", "20","0", "1","0","30", |
| 645 | "expect-chan", "1", "5", |
| 646 | "ack-chan", |
| 647 | "expect-ho", "0", "1", |
| 648 | "ho-complete", |
| 649 | NULL |
| 650 | }; |
| 651 | |
| 652 | static char *test_case_8[] = { |
| 653 | "2", |
| 654 | |
| 655 | "No handover to a cell with no slots available\n\n" |
| 656 | "If no slot is available, no handover is performed\n", |
| 657 | |
| 658 | "create-bts", "2", |
| 659 | "create-ms", "0", "TCH/F", "AMR", |
| 660 | "create-ms", "1", "TCH/F", "AMR", |
| 661 | "create-ms", "1", "TCH/F", "AMR", |
| 662 | "create-ms", "1", "TCH/F", "AMR", |
| 663 | "create-ms", "1", "TCH/F", "AMR", |
| 664 | "create-ms", "1", "TCH/H", "AMR", |
| 665 | "create-ms", "1", "TCH/H", "AMR", |
| 666 | "create-ms", "1", "TCH/H", "AMR", |
| 667 | "create-ms", "1", "TCH/H", "AMR", |
| 668 | "meas-rep", "0", "0","0", "1","0","30", |
| 669 | "expect-no-chan", |
| 670 | NULL |
| 671 | }; |
| 672 | |
| 673 | static char *test_case_9[] = { |
| 674 | "2", |
| 675 | |
| 676 | "No more parallel handovers, if max_unsync_ho is defined\n\n" |
| 677 | "There are tree mobiles that want to handover, but only two can do\n" |
| 678 | "it at a time, because the maximum number is limited to two.\n", |
| 679 | |
| 680 | "create-bts", "2", |
| 681 | "set-max-ho", "1", "2", |
| 682 | "create-ms", "0", "TCH/F", "AMR", |
| 683 | "create-ms", "0", "TCH/F", "AMR", |
| 684 | "create-ms", "0", "TCH/F", "AMR", |
| 685 | "meas-rep", "0", "0","0", "1","0","30", |
| 686 | "expect-chan", "1", "1", |
| 687 | "meas-rep", "1", "0","0", "1","0","30", |
| 688 | "expect-chan", "1", "2", |
| 689 | "meas-rep", "2", "0","0", "1","0","30", |
| 690 | "expect-no-chan", |
| 691 | NULL |
| 692 | }; |
| 693 | |
| 694 | static char *test_case_10[] = { |
| 695 | "2", |
| 696 | |
| 697 | "Hysteresis\n\n" |
| 698 | "If neighbor cell is better, handover is only performed if the\n" |
| 699 | "ammount of improvement is greater or equal hyteresis\n", |
| 700 | |
| 701 | "create-bts", "2", |
| 702 | "create-ms", "0", "TCH/F", "AMR", |
| 703 | "meas-rep", "0", "27","0", "1","0","30", |
| 704 | "expect-no-chan", |
| 705 | "meas-rep", "0", "26","0", "1","0","30", |
| 706 | "expect-chan", "1", "1", |
| 707 | "ack-chan", |
| 708 | "expect-ho", "0", "1", |
| 709 | "ho-complete", |
| 710 | NULL |
| 711 | }; |
| 712 | |
| 713 | static char *test_case_11[] = { |
| 714 | "2", |
| 715 | |
| 716 | "No Hysteresis and minimum RX level\n\n" |
| 717 | "If current cell's RX level is below mimium level, handover must be\n" |
| 718 | "performed, no matter of the hysteresis. First do not perform\n" |
| 719 | "handover to better neighbor cell, because the hysteresis is not\n" |
| 720 | "met. Second do not perform handover because better neighbor cell is\n" |
| 721 | "below minimum RX level. Third perform handover because current cell\n" |
| 722 | "is below minimum RX level, even if the better neighbor cell (minimum\n" |
| 723 | "RX level reached) does not meet the hysteresis.\n", |
| 724 | |
| 725 | "create-bts", "2", |
| 726 | "create-ms", "0", "TCH/F", "AMR", |
| 727 | "meas-rep", "0", "10","0", "1","0","11", |
| 728 | "expect-no-chan", |
| 729 | "meas-rep", "0", "8","0", "1","0","9", |
| 730 | "expect-no-chan", |
| 731 | "meas-rep", "0", "9","0", "1","0","10", |
| 732 | "expect-chan", "1", "1", |
| 733 | "ack-chan", |
| 734 | "expect-ho", "0", "1", |
| 735 | "ho-complete", |
| 736 | NULL |
| 737 | }; |
| 738 | |
| 739 | static char *test_case_12[] = { |
| 740 | "2", |
| 741 | |
| 742 | "No handover to congested cell\n\n" |
| 743 | "The better neighbor cell is congested, so no handover is performed.\n" |
| 744 | "After the congestion is over, handover will be performed.\n", |
| 745 | |
| 746 | "create-bts", "2", |
| 747 | "create-ms", "0", "TCH/F", "AMR", |
| 748 | "set-min-free", "1", "TCH/F", "4", |
| 749 | "set-min-free", "1", "TCH/H", "4", |
| 750 | "meas-rep", "0", "20","0", "1","0","30", |
| 751 | "expect-no-chan", |
| 752 | "set-min-free", "1", "TCH/F", "3", |
| 753 | "set-min-free", "1", "TCH/H", "3", |
| 754 | "meas-rep", "0", "20","0", "1","0","30", |
| 755 | "expect-chan", "1", "1", |
| 756 | "ack-chan", |
| 757 | "expect-ho", "0", "1", |
| 758 | "ho-complete", |
| 759 | NULL |
| 760 | }; |
| 761 | |
| 762 | static char *test_case_13[] = { |
| 763 | "2", |
| 764 | |
| 765 | "Handover to balance congestion\n\n" |
| 766 | "The current and the better cell are congested, so no handover is\n" |
| 767 | "performed. This is because handover would congest the neighbor cell\n" |
| 768 | "more. After congestion raises in the current cell, the handover is\n" |
| 769 | "performed to balance congestion\n", |
| 770 | |
| 771 | "create-bts", "2", |
| 772 | "create-ms", "0", "TCH/F", "AMR", |
| 773 | "set-min-free", "0", "TCH/F", "4", |
| 774 | "set-min-free", "0", "TCH/H", "4", |
| 775 | "set-min-free", "1", "TCH/F", "4", |
| 776 | "set-min-free", "1", "TCH/H", "4", |
| 777 | "meas-rep", "0", "20","0", "1","0","30", |
| 778 | "expect-no-chan", |
| 779 | "create-ms", "0", "TCH/F", "AMR", |
| 780 | "meas-rep", "0", "20","0", "1","0","30", |
| 781 | "expect-chan", "1", "1", |
| 782 | "ack-chan", |
| 783 | "expect-ho", "0", "1", |
| 784 | "ho-complete", |
| 785 | NULL |
| 786 | }; |
| 787 | |
| 788 | static char *test_case_14[] = { |
| 789 | "2", |
| 790 | |
| 791 | "Handover to congested cell, if RX level is below minimum\n\n" |
| 792 | "The better neighbor cell is congested, so no handover is performed.\n" |
| 793 | "If the RX level of the current cell drops below minimum acceptable\n" |
| 794 | "level, the handover is performed.\n", |
| 795 | |
| 796 | "create-bts", "2", |
| 797 | "create-ms", "0", "TCH/F", "AMR", |
| 798 | "set-min-free", "1", "TCH/F", "4", |
| 799 | "set-min-free", "1", "TCH/H", "4", |
| 800 | "meas-rep", "0", "10","0", "1","0","30", |
| 801 | "expect-no-chan", |
| 802 | "meas-rep", "0", "9","0", "1","0","30", |
| 803 | "expect-chan", "1", "1", |
| 804 | "ack-chan", |
| 805 | "expect-ho", "0", "1", |
| 806 | "ho-complete", |
| 807 | NULL |
| 808 | }; |
| 809 | |
| 810 | static char *test_case_15[] = { |
| 811 | "2", |
| 812 | |
| 813 | "Handover to cell with worse RXLEV, if RXQUAL is below minimum\n\n" |
| 814 | "The neighbor cell has worse RXLEV, so no handover is performed.\n" |
| 815 | "If the RXQUAL of the current cell drops below minimum acceptable\n" |
| 816 | "level, the handover is performed. It is also required that 10\n" |
| 817 | "reports are received, before RXQUAL is checked.\n", |
| 818 | /* (See also test 28, which tests for RXQUAL triggering HO to congested cell.) */ |
| 819 | /* TODO: bad RXQUAL may want to prefer assignment within the same cell to avoid interference. |
| 820 | * See Performence Enhancements in a Frequency Hopping GSM Network (Nielsen Wigard 2002), Chapter |
| 821 | * 2.1.1, "Interference" in the list of triggers on p.157. */ |
| 822 | |
| 823 | "create-bts", "2", |
| 824 | "create-ms", "0", "TCH/F", "AMR", |
| 825 | "meas-rep", "0", "40","6", "1","0","30", |
| 826 | "expect-no-chan", |
| 827 | "meas-rep", "0", "40","6", "1","0","30", |
| 828 | "expect-no-chan", |
| 829 | "meas-rep", "0", "40","6", "1","0","30", |
| 830 | "expect-no-chan", |
| 831 | "meas-rep", "0", "40","6", "1","0","30", |
| 832 | "expect-no-chan", |
| 833 | "meas-rep", "0", "40","6", "1","0","30", |
| 834 | "expect-no-chan", |
| 835 | "meas-rep", "0", "40","6", "1","0","30", |
| 836 | "expect-no-chan", |
| 837 | "meas-rep", "0", "40","6", "1","0","30", |
| 838 | "expect-no-chan", |
| 839 | "meas-rep", "0", "40","6", "1","0","30", |
| 840 | "expect-no-chan", |
| 841 | "meas-rep", "0", "40","6", "1","0","30", |
| 842 | "expect-no-chan", |
| 843 | "meas-rep", "0", "40","6", "1","0","30", |
| 844 | "expect-chan", "1", "1", |
| 845 | "ack-chan", |
| 846 | "expect-ho", "0", "1", |
| 847 | "ho-complete", |
| 848 | NULL |
| 849 | }; |
| 850 | |
| 851 | static char *test_case_16[] = { |
| 852 | "2", |
| 853 | |
| 854 | "Handover due to maximum TA exceeded\n\n" |
| 855 | "The MS in the current (best) cell has reached maximum allowed timing\n" |
| 856 | "advance. No handover is performed until the timing advance exceeds\n" |
| 857 | "it. The originating cell is still the best, but no handover is\n" |
| 858 | "performed back to that cell, because the penalty timer (due to\n" |
| 859 | "maximum allowed timing advance) is running.\n", |
| 860 | |
| 861 | "create-bts", "2", |
| 862 | "create-ms", "0", "TCH/F", "AMR", |
| 863 | "set-max-ta", "0", "5", /* of cell */ |
| 864 | "set-ta", "0", "5", /* of ms */ |
| 865 | "meas-rep", "0", "30","0", "1","0","20", |
| 866 | "expect-no-chan", |
| 867 | "set-ta", "0", "6", /* of ms */ |
| 868 | "meas-rep", "0", "30","0", "1","0","20", |
| 869 | "expect-chan", "1", "1", |
| 870 | "ack-chan", |
| 871 | "expect-ho", "0", "1", |
| 872 | "ho-complete", |
| 873 | "meas-rep", "0", "20","0", "1","0","30", |
| 874 | "expect-no-chan", |
| 875 | NULL |
| 876 | }; |
| 877 | |
| 878 | static char *test_case_17[] = { |
| 879 | "2", |
| 880 | |
| 881 | "Congestion check: No congestion\n\n" |
| 882 | "Three cells have different number of used slots, but there is no\n" |
| 883 | "congestion in any of these cells. No handover is performed.\n", |
| 884 | |
| 885 | "create-bts", "3", |
| 886 | "set-min-free", "0", "TCH/F", "2", |
| 887 | "set-min-free", "0", "TCH/H", "2", |
| 888 | "set-min-free", "1", "TCH/F", "2", |
| 889 | "set-min-free", "1", "TCH/H", "2", |
| 890 | "set-min-free", "2", "TCH/F", "2", |
| 891 | "set-min-free", "2", "TCH/H", "2", |
| 892 | "create-ms", "0", "TCH/F", "AMR", |
| 893 | "create-ms", "0", "TCH/F", "AMR", |
| 894 | "create-ms", "0", "TCH/H", "AMR", |
| 895 | "create-ms", "0", "TCH/H", "AMR", |
| 896 | "create-ms", "1", "TCH/F", "AMR", |
| 897 | "create-ms", "1", "TCH/H", "AMR", |
| 898 | "meas-rep", "0", "30","0", "2","0","20","1","20", |
| 899 | "expect-no-chan", |
| 900 | "meas-rep", "1", "30","0", "2","0","20","1","20", |
| 901 | "expect-no-chan", |
| 902 | "meas-rep", "2", "30","0", "2","0","20","1","20", |
| 903 | "expect-no-chan", |
| 904 | "meas-rep", "3", "30","0", "2","0","20","1","20", |
| 905 | "expect-no-chan", |
| 906 | "meas-rep", "4", "30","0", "2","0","20","1","20", |
| 907 | "expect-no-chan", |
| 908 | "meas-rep", "5", "30","0", "2","0","20","1","20", |
| 909 | "expect-no-chan", |
| 910 | "congestion-check", |
| 911 | "expect-no-chan", |
| 912 | NULL |
| 913 | }; |
| 914 | |
| 915 | static char *test_case_18[] = { |
| 916 | "2", |
| 917 | |
| 918 | "Congestion check: One out of three cells is congested\n\n" |
| 919 | "Three cells have different number of used slots, but there is\n" |
| 920 | "congestion at TCH/F in the first cell. Handover is performed with\n" |
| 921 | "the best candidate.\n", |
| 922 | |
| 923 | "create-bts", "3", |
| 924 | "set-min-free", "0", "TCH/F", "2", |
| 925 | "set-min-free", "0", "TCH/H", "2", |
| 926 | "set-min-free", "1", "TCH/F", "2", |
| 927 | "set-min-free", "1", "TCH/H", "2", |
| 928 | "set-min-free", "2", "TCH/F", "2", |
| 929 | "set-min-free", "2", "TCH/H", "2", |
| 930 | "create-ms", "0", "TCH/F", "AMR", |
| 931 | "create-ms", "0", "TCH/F", "AMR", |
| 932 | "create-ms", "0", "TCH/F", "AMR", |
| 933 | "create-ms", "0", "TCH/H", "AMR", |
| 934 | "create-ms", "0", "TCH/H", "AMR", |
| 935 | "create-ms", "1", "TCH/F", "AMR", |
| 936 | "create-ms", "1", "TCH/H", "AMR", |
| 937 | "meas-rep", "0", "30","0", "2","0","20","1","20", |
| 938 | "expect-no-chan", |
| 939 | "meas-rep", "1", "30","0", "2","0","20","1","20", |
| 940 | "expect-no-chan", |
| 941 | "meas-rep", "2", "30","0", "2","0","21","1","20", |
| 942 | "expect-no-chan", |
| 943 | "meas-rep", "3", "30","0", "2","0","20","1","20", |
| 944 | "expect-no-chan", |
| 945 | "meas-rep", "4", "30","0", "2","0","20","1","20", |
| 946 | "expect-no-chan", |
| 947 | "meas-rep", "5", "30","0", "2","0","20","1","20", |
| 948 | "expect-no-chan", |
| 949 | "meas-rep", "6", "30","0", "2","0","20","1","20", |
| 950 | "expect-no-chan", |
| 951 | "congestion-check", |
| 952 | "expect-chan", "1", "2", |
| 953 | "ack-chan", |
| 954 | "expect-ho", "0", "3", /* best candidate is MS 2 at BTS 1, TS 3 */ |
| 955 | "ho-complete", |
| 956 | NULL |
| 957 | }; |
| 958 | |
| 959 | static char *test_case_19[] = { |
| 960 | "2", |
| 961 | |
| 962 | "Congestion check: Balancing over congested cells\n\n" |
| 963 | "Two cells are congested, but the second cell is more congested.\n" |
| 964 | "Handover is performed to solve the congestion.\n", |
| 965 | |
| 966 | "create-bts", "2", |
| 967 | "set-min-free", "0", "TCH/F", "4", |
| 968 | "set-min-free", "1", "TCH/F", "4", |
| 969 | "create-ms", "0", "TCH/F", "FR", |
| 970 | "create-ms", "0", "TCH/F", "FR", |
| 971 | "create-ms", "0", "TCH/F", "FR", |
| 972 | "create-ms", "1", "TCH/F", "FR", |
| 973 | "meas-rep", "0", "30","0", "1","0","20", |
| 974 | "expect-no-chan", |
| 975 | "meas-rep", "1", "30","0", "1","0","21", |
| 976 | "expect-no-chan", |
| 977 | "meas-rep", "2", "30","0", "1","0","20", |
| 978 | "expect-no-chan", |
| 979 | "meas-rep", "3", "30","0", "1","0","20", |
| 980 | "expect-no-chan", |
| 981 | "congestion-check", |
| 982 | "expect-chan", "1", "2", |
| 983 | "ack-chan", |
| 984 | "expect-ho", "0", "2", /* best candidate is MS 1 at BTS 0, TS 2 */ |
| 985 | "ho-complete", |
| 986 | NULL |
| 987 | }; |
| 988 | |
| 989 | static char *test_case_20[] = { |
| 990 | "2", |
| 991 | |
| 992 | "Congestion check: Solving congestion by handover TCH/F -> TCH/H\n\n" |
| 993 | "Two BTS, one MS in the first congested BTS must handover to\n" |
| 994 | "non-congested TCH/H of second BTS, in order to solve congestion\n", |
| 995 | "create-bts", "2", |
| 996 | "set-min-free", "0", "TCH/F", "4", |
| 997 | "set-min-free", "0", "TCH/H", "4", |
| 998 | "set-min-free", "1", "TCH/F", "4", |
| 999 | "create-ms", "0", "TCH/F", "AMR", |
| 1000 | "meas-rep", "0", "30","0", "1","0","30", |
| 1001 | "expect-no-chan", |
| 1002 | "congestion-check", |
| 1003 | "expect-chan", "1", "5", |
| 1004 | "ack-chan", |
| 1005 | "expect-ho", "0", "1", |
| 1006 | "ho-complete", |
| 1007 | NULL |
| 1008 | }; |
| 1009 | |
| 1010 | static char *test_case_21[] = { |
| 1011 | "2", |
| 1012 | |
| 1013 | "Congestion check: Balancing congestion by handover TCH/F -> TCH/H\n\n" |
| 1014 | "Two BTS, one MS in the first congested BTS must handover to\n" |
| 1015 | "less-congested TCH/H of second BTS, in order to balance congestion\n", |
| 1016 | "create-bts", "2", |
| 1017 | "set-min-free", "0", "TCH/F", "4", |
| 1018 | "set-min-free", "0", "TCH/H", "4", |
| 1019 | "set-min-free", "1", "TCH/F", "4", |
| 1020 | "set-min-free", "1", "TCH/H", "4", |
| 1021 | "create-ms", "0", "TCH/F", "AMR", |
| 1022 | "create-ms", "0", "TCH/F", "AMR", |
| 1023 | "create-ms", "0", "TCH/H", "AMR", |
| 1024 | "meas-rep", "0", "30","0", "1","0","30", |
| 1025 | "expect-no-chan", |
| 1026 | "congestion-check", |
| 1027 | "expect-chan", "1", "1", |
| 1028 | "ack-chan", |
| 1029 | "expect-ho", "0", "1", |
| 1030 | "ho-complete", |
| 1031 | NULL |
| 1032 | }; |
| 1033 | |
| 1034 | static char *test_case_22[] = { |
| 1035 | "2", |
| 1036 | |
| 1037 | "Congestion check: Upgrading worst candidate from TCH/H -> TCH/F\n\n" |
| 1038 | "There is only one BTS. The TCH/H slots are congested. Since\n" |
| 1039 | "assignment is performed to less-congested TCH/F, the candidate with\n" |
| 1040 | "the worst RX level is chosen.\n", |
| 1041 | |
| 1042 | "create-bts", "1", |
| 1043 | "set-min-free", "0", "TCH/F", "4", |
| 1044 | "set-min-free", "0", "TCH/H", "4", |
| 1045 | "create-ms", "0", "TCH/H", "AMR", |
| 1046 | "create-ms", "0", "TCH/H", "AMR", |
| 1047 | "create-ms", "0", "TCH/H", "AMR", |
| 1048 | "meas-rep", "0", "30","0", "0", |
| 1049 | "meas-rep", "1", "34","0", "0", |
| 1050 | "meas-rep", "2", "20","0", "0", |
| 1051 | "expect-no-chan", |
| 1052 | "congestion-check", |
| 1053 | "expect-chan", "0", "1", |
| 1054 | "ack-chan", |
| 1055 | "expect-ho", "0", "6", |
| 1056 | "ho-complete", |
| 1057 | NULL |
| 1058 | }; |
| 1059 | |
| 1060 | static char *test_case_23[] = { |
| 1061 | "2", |
| 1062 | |
| 1063 | "Story: 'A neighbor is your friend'\n", |
| 1064 | |
| 1065 | "create-bts", "3", |
| 1066 | |
| 1067 | "print", |
| 1068 | "Andreas is driving along the coast, on a sunny june afternoon.\n" |
| 1069 | "Suddenly he is getting a call from his friend and neighbor Axel.\n" |
| 1070 | "\n" |
| 1071 | "What happens: Two MS are created, #0 for Axel, #1 for Andreas.", |
| 1072 | /* Axel */ |
| 1073 | "create-ms", "2", "TCH/F", "AMR", |
| 1074 | /* andreas */ |
| 1075 | "create-ms", "0", "TCH/F", "AMR", |
| 1076 | "meas-rep", "1", "40","0", "1","0","30", |
| 1077 | "expect-no-chan", |
| 1078 | |
| 1079 | "print", |
| 1080 | "Axel asks Andreas if he would like to join them for a barbecue.\n" |
| 1081 | "Axel's house is right in the neighborhood and the weather is fine.\n" |
| 1082 | "Andreas agrees, so he drives to a close store to buy some barbecue\n" |
| 1083 | "skewers.\n" |
| 1084 | "\n" |
| 1085 | "What happens: While driving, a different cell (mounted atop the\n" |
| 1086 | "store) becomes better.", |
| 1087 | /* drive to bts 1 */ |
| 1088 | "meas-rep", "1", "20","0", "1","0","35", |
| 1089 | "expect-chan", "1", "1", |
| 1090 | "ack-chan", |
| 1091 | "expect-ho", "0", "1", |
| 1092 | "ho-complete", |
| 1093 | |
| 1094 | "print", |
| 1095 | "While Andreas is walking into the store, Axel asks, if he could also\n" |
| 1096 | "bring some beer. Andreas has problems understanding him: \"I have a\n" |
| 1097 | "bad reception here. The cell tower is right atop the store, but poor\n" |
| 1098 | "coverage inside. Can you repeat please?\"\n" |
| 1099 | "\n" |
| 1100 | "What happens: Inside the store the close cell is so bad, that\n" |
| 1101 | "handover back to the previous cell is required.", |
| 1102 | /* bts 1 becomes bad, so bts 0 helps out */ |
| 1103 | "meas-rep", "1", "5","0", "1","0","20", |
| 1104 | "expect-chan", "0", "1", |
| 1105 | "ack-chan", |
| 1106 | "expect-ho", "1", "1", |
| 1107 | "ho-complete", |
| 1108 | |
| 1109 | "print", |
| 1110 | "After Andreas bought skewers and beer, he leaves the store.\n" |
| 1111 | "\n" |
| 1112 | "What happens: Outside the store the close cell is better again, so\n" |
| 1113 | "handover back to the that cell is performed.", |
| 1114 | /* bts 1 becomes better again */ |
| 1115 | "meas-rep", "1", "20","0", "1","0","35", |
| 1116 | "expect-chan", "1", "1", |
| 1117 | "ack-chan", |
| 1118 | "expect-ho", "0", "1", |
| 1119 | "ho-complete", |
| 1120 | |
| 1121 | "print", |
| 1122 | /* bts 2 becomes better */ |
| 1123 | "Andreas drives down to the lake where Axel's house is.\n" |
| 1124 | "\n" |
| 1125 | "What happens: There is a small cell at Axel's house, which becomes\n" |
| 1126 | "better, because the current cell has no good comverage at the lake.", |
| 1127 | "meas-rep", "1", "14","0", "2","0","2","1","63", |
| 1128 | "expect-chan", "2", "2", |
| 1129 | "ack-chan", |
| 1130 | "expect-ho", "1", "1", |
| 1131 | "ho-complete", |
| 1132 | |
| 1133 | "print", |
| 1134 | "Andreas wonders why he still has good radio coverage: \"Last time it\n" |
| 1135 | "was so bad\". Axel says: \"I installed a pico cell in my house,\n" |
| 1136 | "now we can use our mobile phones down here at the lake.\"", |
| 1137 | |
| 1138 | NULL |
| 1139 | }; |
| 1140 | |
| 1141 | static char *test_case_24[] = { |
| 1142 | "2", |
| 1143 | "No (or not enough) measurements for handover\n\n" |
| 1144 | "Do not solve congestion in cell, because there is no measurement.\n" |
| 1145 | "As soon as enough measurments available (1 in our case), perform\n" |
| 1146 | "handover. Afterwards the old cell becomes congested and the new\n" |
| 1147 | "cell is not. Do not perform handover until new measurements are\n" |
| 1148 | "received.\n", |
| 1149 | |
| 1150 | /* two cells, first in congested, but no handover */ |
| 1151 | "create-bts", "2", |
| 1152 | "set-min-free", "0", "TCH/F", "4", |
| 1153 | "set-min-free", "0", "TCH/H", "4", |
| 1154 | "create-ms", "0", "TCH/F", "AMR", |
| 1155 | "congestion-check", |
| 1156 | "expect-no-chan", |
| 1157 | |
| 1158 | /* send measurement and trigger congestion check */ |
| 1159 | "meas-rep", "0", "20","0", "1","0","20", |
| 1160 | "expect-no-chan", |
| 1161 | "congestion-check", |
| 1162 | "expect-chan", "1", "1", |
| 1163 | "ack-chan", |
| 1164 | "expect-ho", "0", "1", |
| 1165 | "ho-complete", |
| 1166 | |
| 1167 | /* congest the first cell and remove congestion from second cell */ |
| 1168 | "set-min-free", "0", "TCH/F", "0", |
| 1169 | "set-min-free", "0", "TCH/H", "0", |
| 1170 | "set-min-free", "1", "TCH/F", "4", |
| 1171 | "set-min-free", "1", "TCH/H", "4", |
| 1172 | |
| 1173 | /* no handover until measurements applied */ |
| 1174 | "congestion-check", |
| 1175 | "expect-no-chan", |
| 1176 | "meas-rep", "0", "20","0", "1","0","20", |
| 1177 | "expect-no-chan", |
| 1178 | "congestion-check", |
| 1179 | "expect-chan", "0", "1", |
| 1180 | "ack-chan", |
| 1181 | "expect-ho", "1", "1", |
| 1182 | "ho-complete", |
| 1183 | NULL |
| 1184 | }; |
| 1185 | |
| 1186 | static char *test_case_25[] = { |
| 1187 | "1", |
| 1188 | |
| 1189 | "Stay in better cell\n\n" |
| 1190 | "There are many neighbor cells, but only the current cell is the best\n" |
| 1191 | "cell, so no handover is performed\n", |
| 1192 | |
| 1193 | "create-bts", "7", |
| 1194 | "create-ms", "0", "TCH/F", "AMR", |
| 1195 | "meas-rep", "0", "30","0", |
| 1196 | "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| 1197 | "expect-no-chan", |
| 1198 | NULL |
| 1199 | }; |
| 1200 | |
| 1201 | static char *test_case_26[] = { |
| 1202 | "1", |
| 1203 | |
| 1204 | "Handover to best better cell\n\n" |
| 1205 | "The best neighbor cell is selected\n", |
| 1206 | |
| 1207 | "create-bts", "7", |
| 1208 | "create-ms", "0", "TCH/F", "AMR", |
| 1209 | "meas-rep", "0", "10","0", |
| 1210 | "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| 1211 | "expect-chan", "5", "1", |
| 1212 | "ack-chan", |
| 1213 | "expect-ho", "0", "1", |
| 1214 | "ho-complete", |
| 1215 | NULL |
| 1216 | }; |
| 1217 | |
| 1218 | static char *test_case_27[] = { |
| 1219 | "2", |
| 1220 | |
| 1221 | "Congestion check: Upgrading worst candidate from TCH/H -> TCH/F\n\n" |
| 1222 | "There is only one BTS. The TCH/H slots are congested. Since\n" |
| 1223 | "assignment is performed to less-congested TCH/F, the candidate with\n" |
| 1224 | "the worst RX level is chosen. (So far like test 22.)\n" |
| 1225 | "After that, trigger more congestion checks to ensure stability.\n", |
| 1226 | |
| 1227 | "create-bts", "1", |
| 1228 | "set-min-free", "0", "TCH/F", "2", |
| 1229 | "set-min-free", "0", "TCH/H", "4", |
| 1230 | "create-ms", "0", "TCH/H", "AMR", |
| 1231 | "create-ms", "0", "TCH/H", "AMR", |
| 1232 | "create-ms", "0", "TCH/H", "AMR", |
| 1233 | "meas-rep", "0", "30","0", "0", |
| 1234 | "meas-rep", "1", "34","0", "0", |
| 1235 | "meas-rep", "2", "20","0", "0", |
| 1236 | "expect-no-chan", |
| 1237 | "congestion-check", |
| 1238 | "expect-chan", "0", "1", |
| 1239 | "ack-chan", |
| 1240 | "expect-ho", "0", "6", |
| 1241 | "ho-complete", |
| 1242 | "congestion-check", |
| 1243 | "expect-chan", "0", "2", |
| 1244 | "ack-chan", |
| 1245 | "expect-ho", "0", "5", |
| 1246 | "ho-complete", |
| 1247 | "congestion-check", |
| 1248 | "expect-no-chan", |
| 1249 | "congestion-check", |
| 1250 | "expect-no-chan", |
| 1251 | NULL |
| 1252 | }; |
| 1253 | |
| 1254 | static char *test_case_28[] = { |
| 1255 | "2", |
| 1256 | |
| 1257 | "Handover to congested cell, if RX quality is below minimum\n\n" |
| 1258 | "The better neighbor cell is congested, so no handover is performed.\n" |
| 1259 | "If the RX quality of the current cell drops below minimum acceptable\n" |
| 1260 | "level, the handover is performed. It is also required that 10\n" |
| 1261 | "resports are received, before RX quality is checked.\n", |
| 1262 | |
| 1263 | "create-bts", "2", |
| 1264 | "create-ms", "0", "TCH/F", "AMR", |
| 1265 | "set-min-free", "1", "TCH/F", "4", |
| 1266 | "set-min-free", "1", "TCH/H", "4", |
| 1267 | "meas-rep", "0", "30","6", "1","0","40", |
| 1268 | "expect-no-chan", |
| 1269 | "meas-rep", "0", "30","6", "1","0","40", |
| 1270 | "expect-no-chan", |
| 1271 | "meas-rep", "0", "30","6", "1","0","40", |
| 1272 | "expect-no-chan", |
| 1273 | "meas-rep", "0", "30","6", "1","0","40", |
| 1274 | "expect-no-chan", |
| 1275 | "meas-rep", "0", "30","6", "1","0","40", |
| 1276 | "expect-no-chan", |
| 1277 | "meas-rep", "0", "30","6", "1","0","40", |
| 1278 | "expect-no-chan", |
| 1279 | "meas-rep", "0", "30","6", "1","0","40", |
| 1280 | "expect-no-chan", |
| 1281 | "meas-rep", "0", "30","6", "1","0","40", |
| 1282 | "expect-no-chan", |
| 1283 | "meas-rep", "0", "30","6", "1","0","40", |
| 1284 | "expect-no-chan", |
| 1285 | "meas-rep", "0", "30","6", "1","0","40", |
| 1286 | "expect-chan", "1", "1", |
| 1287 | "ack-chan", |
| 1288 | "expect-ho", "0", "1", |
| 1289 | "ho-complete", |
| 1290 | NULL |
| 1291 | }; |
| 1292 | |
| 1293 | static char **test_cases[] = { |
| 1294 | test_case_0, |
| 1295 | test_case_1, |
| 1296 | test_case_2, |
| 1297 | test_case_3, |
| 1298 | test_case_4, |
| 1299 | test_case_5, |
| 1300 | test_case_6, |
| 1301 | test_case_7, |
| 1302 | test_case_8, |
| 1303 | test_case_9, |
| 1304 | test_case_10, |
| 1305 | test_case_11, |
| 1306 | test_case_12, |
| 1307 | test_case_13, |
| 1308 | test_case_14, |
| 1309 | test_case_15, |
| 1310 | test_case_16, |
| 1311 | test_case_17, |
| 1312 | test_case_18, |
| 1313 | test_case_19, |
| 1314 | test_case_20, |
| 1315 | test_case_21, |
| 1316 | test_case_22, |
| 1317 | test_case_23, |
| 1318 | test_case_24, |
| 1319 | test_case_25, |
| 1320 | test_case_26, |
| 1321 | test_case_27, |
| 1322 | test_case_28, |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1323 | }; |
| 1324 | |
| 1325 | static const struct log_info_cat log_categories[] = { |
| 1326 | [DHO] = { |
| 1327 | .name = "DHO", |
| 1328 | .description = "Hand-Over Process", |
| 1329 | .color = "\033[1;38m", |
| 1330 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1331 | }, |
| 1332 | [DHODEC] = { |
| 1333 | .name = "DHODEC", |
| 1334 | .description = "Hand-Over Decision", |
| 1335 | .color = "\033[1;38m", |
| 1336 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1337 | }, |
| 1338 | [DMEAS] = { |
| 1339 | .name = "DMEAS", |
| 1340 | .description = "Radio Measurement Processing", |
| 1341 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1342 | }, |
| 1343 | [DREF] = { |
| 1344 | .name = "DREF", |
| 1345 | .description = "Reference Counting", |
| 1346 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1347 | }, |
| 1348 | [DRSL] = { |
| 1349 | .name = "DRSL", |
Keith | d925c7c | 2018-04-16 13:40:07 +0200 | [diff] [blame] | 1350 | .description = "A-bis Radio Signalling Link (RSL)", |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1351 | .color = "\033[1;35m", |
| 1352 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1353 | }, |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1354 | [DRR] = { |
| 1355 | .name = "DRR", |
| 1356 | .description = "RR", |
| 1357 | .color = "\033[1;35m", |
| 1358 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1359 | }, |
| 1360 | [DRLL] = { |
| 1361 | .name = "DRLL", |
| 1362 | .description = "RLL", |
| 1363 | .color = "\033[1;35m", |
| 1364 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1365 | }, |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 1366 | [DMSC] = { |
| 1367 | .name = "DMSC", |
| 1368 | .description = "Mobile Switching Center", |
| 1369 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1370 | }, |
Neels Hofmeyr | 3c5612f | 2018-07-11 19:53:39 +0200 | [diff] [blame] | 1371 | [DCHAN] = { |
| 1372 | .name = "DCHAN", |
| 1373 | .description = "lchan FSM", |
| 1374 | .color = "\033[1;32m", |
| 1375 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1376 | }, |
| 1377 | [DTS] = { |
| 1378 | .name = "DTS", |
| 1379 | .description = "timeslot FSM", |
| 1380 | .color = "\033[1;31m", |
| 1381 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1382 | }, |
| 1383 | [DAS] = { |
| 1384 | .name = "DAS", |
| 1385 | .description = "assignment FSM", |
| 1386 | .color = "\033[1;33m", |
| 1387 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1388 | }, |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1389 | }; |
| 1390 | |
| 1391 | const struct log_info log_info = { |
| 1392 | .cat = log_categories, |
| 1393 | .num_cat = ARRAY_SIZE(log_categories), |
| 1394 | }; |
| 1395 | |
| 1396 | int main(int argc, char **argv) |
| 1397 | { |
| 1398 | char **test_case; |
| 1399 | struct gsm_bts *bts[256]; |
| 1400 | int bts_num = 0; |
| 1401 | struct gsm_lchan *lchan[256]; |
| 1402 | int lchan_num = 0; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1403 | int i; |
Neels Hofmeyr | 958f259 | 2018-05-27 01:26:31 +0200 | [diff] [blame] | 1404 | int algorithm; |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1405 | int test_case_i; |
| 1406 | int last_test_i; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1407 | |
Neels Hofmeyr | e341618 | 2018-03-05 05:31:14 +0100 | [diff] [blame] | 1408 | ctx = talloc_named_const(NULL, 0, "handover_test"); |
| 1409 | msgb_talloc_ctx_init(ctx, 0); |
| 1410 | |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1411 | test_case_i = argc > 1? atoi(argv[1]) : -1; |
| 1412 | last_test_i = ARRAY_SIZE(test_cases) - 1; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1413 | |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1414 | if (test_case_i < 0 || test_case_i > last_test_i) { |
| 1415 | for (i = 0; i <= last_test_i; i++) { |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1416 | printf("Test #%d (algorithm %s):\n%s\n", i, |
| 1417 | test_cases[i][0], test_cases[i][1]); |
| 1418 | } |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1419 | printf("\nPlease specify test case number 0..%d\n", last_test_i); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1420 | return EXIT_FAILURE; |
| 1421 | } |
| 1422 | |
Neels Hofmeyr | e341618 | 2018-03-05 05:31:14 +0100 | [diff] [blame] | 1423 | osmo_init_logging2(ctx, &log_info); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1424 | |
| 1425 | log_set_print_category(osmo_stderr_target, 1); |
| 1426 | log_set_print_category_hex(osmo_stderr_target, 0); |
| 1427 | log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_BASENAME); |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1428 | osmo_fsm_log_addr(false); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1429 | |
Neels Hofmeyr | 958f259 | 2018-05-27 01:26:31 +0200 | [diff] [blame] | 1430 | bsc_network_alloc(); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1431 | if (!bsc_gsmnet) |
| 1432 | exit(1); |
| 1433 | |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1434 | ts_fsm_init(); |
| 1435 | lchan_fsm_init(); |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1436 | bsc_subscr_conn_fsm_init(); |
| 1437 | handover_fsm_init(); |
| 1438 | |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1439 | ho_set_algorithm(bsc_gsmnet->ho, 2); |
| 1440 | ho_set_ho_active(bsc_gsmnet->ho, true); |
| 1441 | ho_set_hodec2_as_active(bsc_gsmnet->ho, true); |
| 1442 | ho_set_hodec2_min_rxlev(bsc_gsmnet->ho, -100); |
| 1443 | ho_set_hodec2_rxlev_avg_win(bsc_gsmnet->ho, 1); |
| 1444 | ho_set_hodec2_rxlev_neigh_avg_win(bsc_gsmnet->ho, 1); |
| 1445 | ho_set_hodec2_rxqual_avg_win(bsc_gsmnet->ho, 10); |
| 1446 | ho_set_hodec2_pwr_hysteresis(bsc_gsmnet->ho, 3); |
| 1447 | ho_set_hodec2_pwr_interval(bsc_gsmnet->ho, 1); |
| 1448 | ho_set_hodec2_afs_bias_rxlev(bsc_gsmnet->ho, 0); |
| 1449 | ho_set_hodec2_min_rxqual(bsc_gsmnet->ho, 5); |
| 1450 | ho_set_hodec2_afs_bias_rxqual(bsc_gsmnet->ho, 0); |
| 1451 | ho_set_hodec2_max_distance(bsc_gsmnet->ho, 9999); |
| 1452 | ho_set_hodec2_ho_max(bsc_gsmnet->ho, 9999); |
| 1453 | ho_set_hodec2_penalty_max_dist(bsc_gsmnet->ho, 300); |
| 1454 | ho_set_hodec2_penalty_failed_ho(bsc_gsmnet->ho, 60); |
| 1455 | ho_set_hodec2_penalty_failed_as(bsc_gsmnet->ho, 60); |
| 1456 | |
| 1457 | bts_model_sysmobts_init(); |
| 1458 | |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1459 | test_case = test_cases[test_case_i]; |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1460 | |
| 1461 | fprintf(stderr, "--------------------\n"); |
| 1462 | fprintf(stderr, "Performing the following test %d (algorithm %s):\n%s", |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1463 | test_case_i, test_case[0], test_case[1]); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1464 | algorithm = atoi(test_case[0]); |
| 1465 | test_case += 2; |
| 1466 | fprintf(stderr, "--------------------\n"); |
| 1467 | |
| 1468 | /* Disable the congestion check timer, we will trigger manually. */ |
| 1469 | bsc_gsmnet->hodec2.congestion_check_interval_s = 0; |
| 1470 | |
| 1471 | handover_decision_1_init(); |
| 1472 | hodec2_init(bsc_gsmnet); |
| 1473 | |
| 1474 | while (*test_case) { |
| 1475 | if (!strcmp(*test_case, "create-bts")) { |
| 1476 | static int arfcn = 870; |
| 1477 | int n = atoi(test_case[1]); |
| 1478 | fprintf(stderr, "- Creating %d BTS (one TRX each, " |
| 1479 | "TS(1-4) are TCH/F, TS(5-6) are TCH/H)\n", n); |
| 1480 | for (i = 0; i < n; i++) |
| 1481 | bts[bts_num + i] = create_bts(arfcn++); |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1482 | for (i = 0; i < n; i++) { |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1483 | if (gsm_generate_si(bts[bts_num + i], SYSINFO_TYPE_2) <= 0) |
Neels Hofmeyr | 0072755 | 2018-02-21 14:33:15 +0100 | [diff] [blame] | 1484 | fprintf(stderr, "Error generating SI2\n"); |
| 1485 | } |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1486 | bts_num += n; |
| 1487 | test_case += 2; |
| 1488 | } else |
| 1489 | if (!strcmp(*test_case, "as-enable")) { |
| 1490 | fprintf(stderr, "- Set assignment enable state at " |
| 1491 | "BTS %s to %s\n", test_case[1], test_case[2]); |
| 1492 | ho_set_hodec2_as_active(bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1493 | test_case += 3; |
| 1494 | } else |
| 1495 | if (!strcmp(*test_case, "ho-enable")) { |
| 1496 | fprintf(stderr, "- Set handover enable state at " |
| 1497 | "BTS %s to %s\n", test_case[1], test_case[2]); |
| 1498 | ho_set_ho_active(bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1499 | test_case += 3; |
| 1500 | } else |
| 1501 | if (!strcmp(*test_case, "afs-rxlev-improve")) { |
| 1502 | fprintf(stderr, "- Set afs RX level improvement at " |
| 1503 | "BTS %s to %s\n", test_case[1], test_case[2]); |
| 1504 | ho_set_hodec2_afs_bias_rxlev(bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1505 | test_case += 3; |
| 1506 | } else |
| 1507 | if (!strcmp(*test_case, "afs-rxqual-improve")) { |
| 1508 | fprintf(stderr, "- Set afs RX quality improvement at " |
| 1509 | "BTS %s to %s\n", test_case[1], test_case[2]); |
| 1510 | ho_set_hodec2_afs_bias_rxqual(bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1511 | test_case += 3; |
| 1512 | } else |
| 1513 | if (!strcmp(*test_case, "set-min-free")) { |
| 1514 | fprintf(stderr, "- Setting minimum required free %s " |
| 1515 | "slots at BTS %s to %s\n", test_case[2], |
| 1516 | test_case[1], test_case[3]); |
| 1517 | if (!strcmp(test_case[2], "TCH/F")) |
| 1518 | ho_set_hodec2_tchf_min_slots(bts[atoi(test_case[1])]->ho, atoi(test_case[3])); |
| 1519 | else |
| 1520 | ho_set_hodec2_tchh_min_slots(bts[atoi(test_case[1])]->ho, atoi(test_case[3])); |
| 1521 | test_case += 4; |
| 1522 | } else |
| 1523 | if (!strcmp(*test_case, "set-max-ho")) { |
| 1524 | fprintf(stderr, "- Setting maximum parallel handovers " |
| 1525 | "at BTS %s to %s\n", test_case[1], |
| 1526 | test_case[2]); |
| 1527 | ho_set_hodec2_ho_max( bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1528 | test_case += 3; |
| 1529 | } else |
| 1530 | if (!strcmp(*test_case, "set-max-ta")) { |
| 1531 | fprintf(stderr, "- Setting maximum timing advance " |
| 1532 | "at BTS %s to %s\n", test_case[1], |
| 1533 | test_case[2]); |
| 1534 | ho_set_hodec2_max_distance(bts[atoi(test_case[1])]->ho, atoi(test_case[2])); |
| 1535 | test_case += 3; |
| 1536 | } else |
| 1537 | if (!strcmp(*test_case, "create-ms")) { |
| 1538 | fprintf(stderr, "- Creating mobile #%d at BTS %s on " |
| 1539 | "%s with %s codec\n", lchan_num, test_case[1], |
| 1540 | test_case[2], test_case[3]); |
| 1541 | lchan[lchan_num] = create_lchan(bts[atoi(test_case[1])], |
| 1542 | !strcmp(test_case[2], "TCH/F"), test_case[3]); |
| 1543 | if (!lchan[lchan_num]) { |
| 1544 | printf("Failed to create lchan!\n"); |
| 1545 | return EXIT_FAILURE; |
| 1546 | } |
| 1547 | fprintf(stderr, " * New MS is at BTS %d TS %d\n", |
| 1548 | lchan[lchan_num]->ts->trx->bts->nr, |
| 1549 | lchan[lchan_num]->ts->nr); |
| 1550 | lchan_num++; |
| 1551 | test_case += 4; |
| 1552 | } else |
| 1553 | if (!strcmp(*test_case, "set-ta")) { |
| 1554 | fprintf(stderr, "- Setting maximum timing advance " |
| 1555 | "at MS %s to %s\n", test_case[1], |
| 1556 | test_case[2]); |
| 1557 | meas_ta_ms = atoi(test_case[2]); |
| 1558 | test_case += 3; |
| 1559 | } else |
| 1560 | if (!strcmp(*test_case, "meas-rep")) { |
| 1561 | /* meas-rep <lchan-nr> <rxlev> <rxqual> <nr-of-neighbors> [<cell-idx> <rxlev> [...]] */ |
| 1562 | int n = atoi(test_case[4]); |
| 1563 | struct gsm_lchan *lc = lchan[atoi(test_case[1])]; |
| 1564 | fprintf(stderr, "- Sending measurement report from " |
| 1565 | "mobile #%s (rxlev=%s, rxqual=%s)\n", |
| 1566 | test_case[1], test_case[2], test_case[3]); |
| 1567 | meas_dl_rxlev = atoi(test_case[2]); |
| 1568 | meas_dl_rxqual = atoi(test_case[3]); |
| 1569 | meas_num_nc = n; |
| 1570 | test_case += 5; |
| 1571 | for (i = 0; i < n; i++) { |
| 1572 | int nr = atoi(test_case[0]); |
| 1573 | /* since our bts is not in the list of neighbor |
| 1574 | * cells, we need to shift */ |
| 1575 | if (nr >= lc->ts->trx->bts->nr) |
| 1576 | nr++; |
| 1577 | fprintf(stderr, " * Neighbor cell #%s, actual " |
| 1578 | "BTS %d (rxlev=%s)\n", test_case[0], nr, |
| 1579 | test_case[1]); |
| 1580 | meas_bcch_f_nc[i] = atoi(test_case[0]); |
| 1581 | /* bts number, not counting our own */ |
| 1582 | meas_rxlev_nc[i] = atoi(test_case[1]); |
| 1583 | meas_bsic_nc[i] = 0x3f; |
| 1584 | test_case += 2; |
| 1585 | } |
| 1586 | got_chan_req = 0; |
| 1587 | gen_meas_rep(lc); |
| 1588 | } else |
| 1589 | if (!strcmp(*test_case, "congestion-check")) { |
| 1590 | fprintf(stderr, "- Triggering congestion check\n"); |
| 1591 | got_chan_req = 0; |
| 1592 | if (algorithm == 2) |
| 1593 | hodec2_congestion_check(bsc_gsmnet); |
| 1594 | test_case += 1; |
| 1595 | } else |
| 1596 | if (!strcmp(*test_case, "expect-chan")) { |
| 1597 | fprintf(stderr, "- Expecting channel request at BTS %s " |
| 1598 | "TS %s\n", test_case[1], test_case[2]); |
| 1599 | if (!got_chan_req) { |
| 1600 | printf("Test failed, because no channel was " |
| 1601 | "requested\n"); |
| 1602 | return EXIT_FAILURE; |
| 1603 | } |
| 1604 | fprintf(stderr, " * Got channel request at BTS %d " |
| 1605 | "TS %d\n", chan_req_lchan->ts->trx->bts->nr, |
| 1606 | chan_req_lchan->ts->nr); |
| 1607 | if (chan_req_lchan->ts->trx->bts->nr |
| 1608 | != atoi(test_case[1])) { |
| 1609 | printf("Test failed, because channel was not " |
| 1610 | "requested on expected BTS\n"); |
| 1611 | return EXIT_FAILURE; |
| 1612 | } |
| 1613 | if (chan_req_lchan->ts->nr != atoi(test_case[2])) { |
| 1614 | printf("Test failed, because channel was not " |
| 1615 | "requested on expected TS\n"); |
| 1616 | return EXIT_FAILURE; |
| 1617 | } |
| 1618 | test_case += 3; |
| 1619 | } else |
| 1620 | if (!strcmp(*test_case, "expect-no-chan")) { |
| 1621 | fprintf(stderr, "- Expecting no channel request\n"); |
| 1622 | if (got_chan_req) { |
| 1623 | fprintf(stderr, " * Got channel request at " |
| 1624 | "BTS %d TS %d\n", |
| 1625 | chan_req_lchan->ts->trx->bts->nr, |
| 1626 | chan_req_lchan->ts->nr); |
| 1627 | printf("Test failed, because channel was " |
| 1628 | "requested\n"); |
| 1629 | return EXIT_FAILURE; |
| 1630 | } |
| 1631 | fprintf(stderr, " * Got no channel request\n"); |
| 1632 | test_case += 1; |
| 1633 | } else |
| 1634 | if (!strcmp(*test_case, "expect-ho")) { |
| 1635 | fprintf(stderr, "- Expecting handover/assignment " |
| 1636 | "request at BTS %s TS %s\n", test_case[1], |
| 1637 | test_case[2]); |
| 1638 | if (!got_ho_req) { |
| 1639 | printf("Test failed, because no handover was " |
| 1640 | "requested\n"); |
| 1641 | return EXIT_FAILURE; |
| 1642 | } |
| 1643 | fprintf(stderr, " * Got handover/assignment request at " |
| 1644 | "BTS %d TS %d\n", |
| 1645 | ho_req_lchan->ts->trx->bts->nr, |
| 1646 | ho_req_lchan->ts->nr); |
| 1647 | if (ho_req_lchan->ts->trx->bts->nr |
| 1648 | != atoi(test_case[1])) { |
| 1649 | printf("Test failed, because " |
| 1650 | "handover/assignment was not commanded " |
| 1651 | "at the expected BTS\n"); |
| 1652 | return EXIT_FAILURE; |
| 1653 | } |
| 1654 | if (ho_req_lchan->ts->nr != atoi(test_case[2])) { |
| 1655 | printf("Test failed, because " |
| 1656 | "handover/assignment was not commanded " |
| 1657 | "at the expected TS\n"); |
| 1658 | return EXIT_FAILURE; |
| 1659 | } |
| 1660 | test_case += 3; |
| 1661 | } else |
| 1662 | if (!strcmp(*test_case, "ack-chan")) { |
| 1663 | fprintf(stderr, "- Acknowledging channel request\n"); |
| 1664 | if (!got_chan_req) { |
| 1665 | printf("Cannot ack channel, because no " |
| 1666 | "request\n"); |
| 1667 | return EXIT_FAILURE; |
| 1668 | } |
| 1669 | test_case += 1; |
| 1670 | got_ho_req = 0; |
| 1671 | send_chan_act_ack(chan_req_lchan, 1); |
| 1672 | } else |
| 1673 | if (!strcmp(*test_case, "ho-complete")) { |
| 1674 | fprintf(stderr, "- Acknowledging handover/assignment " |
| 1675 | "request\n"); |
| 1676 | if (!got_chan_req) { |
| 1677 | printf("Cannot ack handover/assignment, " |
| 1678 | "because no chan request\n"); |
| 1679 | return EXIT_FAILURE; |
| 1680 | } |
| 1681 | if (!got_ho_req) { |
| 1682 | printf("Cannot ack handover/assignment, " |
| 1683 | "because no ho request\n"); |
| 1684 | return EXIT_FAILURE; |
| 1685 | } |
| 1686 | test_case += 1; |
| 1687 | got_chan_req = 0; |
| 1688 | got_ho_req = 0; |
| 1689 | /* switch lchan */ |
| 1690 | for (i = 0; i < lchan_num; i++) { |
| 1691 | if (lchan[i] == ho_req_lchan) { |
| 1692 | fprintf(stderr, " * MS %d changes from " |
| 1693 | "BTS=%d TS=%d to BTS=%d " |
| 1694 | "TS=%d\n", i, |
| 1695 | lchan[i]->ts->trx->bts->nr, |
| 1696 | lchan[i]->ts->nr, |
| 1697 | chan_req_lchan->ts->trx->bts->nr, |
| 1698 | chan_req_lchan->ts->nr); |
| 1699 | lchan[i] = chan_req_lchan; |
| 1700 | } |
| 1701 | } |
| 1702 | send_ho_complete(chan_req_lchan, true); |
| 1703 | } else |
| 1704 | if (!strcmp(*test_case, "ho-failed")) { |
| 1705 | fprintf(stderr, "- Making handover fail\n"); |
| 1706 | if (!got_chan_req) { |
| 1707 | printf("Cannot fail handover, because no chan " |
| 1708 | "request\n"); |
| 1709 | return EXIT_FAILURE; |
| 1710 | } |
| 1711 | test_case += 1; |
| 1712 | got_chan_req = 0; |
| 1713 | got_ho_req = 0; |
| 1714 | send_ho_complete(ho_req_lchan, false); |
| 1715 | } else |
| 1716 | if (!strcmp(*test_case, "print")) { |
| 1717 | fprintf(stderr, "\n%s\n\n", test_case[1]); |
| 1718 | test_case += 2; |
| 1719 | } else { |
| 1720 | printf("Unknown test command '%s', please fix!\n", |
| 1721 | *test_case); |
| 1722 | return EXIT_FAILURE; |
| 1723 | } |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1724 | |
| 1725 | { |
| 1726 | /* Help the lchan out of releasing states */ |
| 1727 | struct gsm_bts *bts; |
| 1728 | llist_for_each_entry(bts, &bsc_gsmnet->bts_list, list) { |
| 1729 | struct gsm_bts_trx *trx; |
| 1730 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 1731 | int ts_nr; |
| 1732 | for (ts_nr = 0; ts_nr < TRX_NR_TS; ts_nr++) { |
| 1733 | struct gsm_lchan *lchan; |
| 1734 | ts_for_each_lchan(lchan, &trx->ts[ts_nr]) { |
| 1735 | |
| 1736 | if (lchan->fi && lchan->fi->state == LCHAN_ST_WAIT_BEFORE_RF_RELEASE) { |
| 1737 | osmo_fsm_inst_state_chg(lchan->fi, LCHAN_ST_WAIT_RF_RELEASE_ACK, 0, 0); |
| 1738 | osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RSL_RF_CHAN_REL_ACK, 0); |
| 1739 | } |
| 1740 | } |
| 1741 | } |
| 1742 | } |
| 1743 | } |
| 1744 | } |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1745 | } |
| 1746 | |
| 1747 | for (i = 0; i < lchan_num; i++) { |
| 1748 | struct gsm_subscriber_connection *conn = lchan[i]->conn; |
| 1749 | lchan[i]->conn = NULL; |
| 1750 | conn->lchan = NULL; |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 1751 | osmo_fsm_inst_term(conn->fi, OSMO_FSM_TERM_REGULAR, NULL); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1752 | } |
| 1753 | |
| 1754 | fprintf(stderr, "--------------------\n"); |
| 1755 | |
| 1756 | printf("Test OK\n"); |
| 1757 | |
| 1758 | fprintf(stderr, "--------------------\n"); |
| 1759 | |
Neels Hofmeyr | e341618 | 2018-03-05 05:31:14 +0100 | [diff] [blame] | 1760 | talloc_free(ctx); |
Neels Hofmeyr | 909e972 | 2017-12-07 03:54:01 +0100 | [diff] [blame] | 1761 | return EXIT_SUCCESS; |
| 1762 | } |
| 1763 | |
| 1764 | void rtp_socket_free() {} |
| 1765 | void rtp_send_frame() {} |
| 1766 | void rtp_socket_upstream() {} |
| 1767 | void rtp_socket_create() {} |
| 1768 | void rtp_socket_connect() {} |
| 1769 | void rtp_socket_proxy() {} |
| 1770 | void trau_mux_unmap() {} |
| 1771 | void trau_mux_map_lchan() {} |
| 1772 | void trau_recv_lchan() {} |
| 1773 | void trau_send_frame() {} |
Harald Welte | 3561bd4 | 2018-01-28 03:04:16 +0100 | [diff] [blame] | 1774 | int osmo_bsc_sigtran_send(struct gsm_subscriber_connection *conn, struct msgb *msg) { return 0; } |
| 1775 | int osmo_bsc_sigtran_open_conn(struct gsm_subscriber_connection *conn, struct msgb *msg) { return 0; } |
Neels Hofmeyr | c19581f | 2018-05-27 03:05:18 +0200 | [diff] [blame] | 1776 | void bsc_sapi_n_reject(struct gsm_subscriber_connection *conn, int dlci) {} |
| 1777 | void bsc_cipher_mode_compl(struct gsm_subscriber_connection *conn, struct msgb *msg, uint8_t chosen_encr) {} |
| 1778 | int bsc_compl_l3(struct gsm_subscriber_connection *conn, struct msgb *msg, uint16_t chosen_channel) |
| 1779 | { return 0; } |
| 1780 | void bsc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg) {} |
| 1781 | void bsc_assign_compl(struct gsm_subscriber_connection *conn, uint8_t rr_cause) {} |
Neels Hofmeyr | c19581f | 2018-05-27 03:05:18 +0200 | [diff] [blame] | 1782 | int bsc_clear_request(struct gsm_subscriber_connection *conn, uint32_t cause) |
| 1783 | { return 0; } |
| 1784 | void bsc_cm_update(struct gsm_subscriber_connection *conn, |
| 1785 | const uint8_t *cm2, uint8_t cm2_len, |
| 1786 | const uint8_t *cm3, uint8_t cm3_len) {} |
Neels Hofmeyr | 31f525e | 2018-05-14 18:14:15 +0200 | [diff] [blame] | 1787 | struct gsm0808_handover_required; |
| 1788 | int bsc_tx_bssmap_ho_required(struct gsm_lchan *lchan, const struct gsm0808_cell_id_list2 *target_cells) |
| 1789 | { return 0; } |
| 1790 | int bsc_tx_bssmap_ho_request_ack(struct gsm_subscriber_connection *conn, struct msgb *rr_ho_command) |
| 1791 | { return 0; } |
| 1792 | int bsc_tx_bssmap_ho_detect(struct gsm_subscriber_connection *conn) { return 0; } |
| 1793 | enum handover_result bsc_tx_bssmap_ho_complete(struct gsm_subscriber_connection *conn, |
| 1794 | struct gsm_lchan *lchan) { return HO_RESULT_OK; } |
| 1795 | void bsc_tx_bssmap_ho_failure(struct gsm_subscriber_connection *conn) {} |