Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 1 | /* ip.access nanoBTS specific code */ |
| 2 | |
| 3 | /* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org> |
| 4 | * |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 8 | * it under the terms of the GNU Affero General Public License as published by |
| 9 | * the Free Software Foundation; either version 3 of the License, or |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 15 | * GNU Affero General Public License for more details. |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 16 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 17 | * You should have received a copy of the GNU Affero General Public License |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 19 | * |
| 20 | */ |
| 21 | |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 22 | #include <arpa/inet.h> |
Max | d1f70ed | 2017-09-21 16:15:32 +0200 | [diff] [blame] | 23 | #include <time.h> |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 24 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 25 | #include <osmocom/gsm/tlv.h> |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 26 | |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 27 | #include <osmocom/bsc/gsm_data.h> |
| 28 | #include <osmocom/bsc/signal.h> |
| 29 | #include <osmocom/bsc/abis_nm.h> |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 30 | #include <osmocom/abis/e1_input.h> |
| 31 | #include <osmocom/gsm/tlv.h> |
| 32 | #include <osmocom/core/msgb.h> |
| 33 | #include <osmocom/core/talloc.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 34 | #include <osmocom/bsc/gsm_data.h> |
| 35 | #include <osmocom/bsc/abis_nm.h> |
| 36 | #include <osmocom/bsc/abis_rsl.h> |
| 37 | #include <osmocom/bsc/debug.h> |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 38 | #include <osmocom/abis/subchan_demux.h> |
Harald Welte | 4a88a49 | 2014-08-20 23:46:40 +0200 | [diff] [blame] | 39 | #include <osmocom/gsm/ipa.h> |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 40 | #include <osmocom/abis/ipaccess.h> |
| 41 | #include <osmocom/core/logging.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 42 | #include <osmocom/bsc/ipaccess.h> |
| 43 | #include <osmocom/bsc/bts_ipaccess_nanobts_omlattr.h> |
Stefan Sperling | 7b70926 | 2018-04-19 14:31:11 +0200 | [diff] [blame] | 44 | #include <osmocom/bsc/paging.h> |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 45 | |
Holger Hans Peter Freyther | e48c187 | 2013-04-24 11:36:15 +0200 | [diff] [blame] | 46 | extern struct gsm_network *bsc_gsmnet; |
| 47 | |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 48 | static int bts_model_nanobts_start(struct gsm_network *net); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 49 | static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 50 | |
Max | 36bf797 | 2017-10-12 17:46:49 +0200 | [diff] [blame] | 51 | static char *get_oml_status(const struct gsm_bts *bts) |
| 52 | { |
| 53 | if (bts->oml_link) |
Max | aa954cd | 2017-11-29 12:18:02 +0100 | [diff] [blame] | 54 | return all_trx_rsl_connected_unlocked(bts) ? "connected" : "degraded"; |
Max | 36bf797 | 2017-10-12 17:46:49 +0200 | [diff] [blame] | 55 | |
| 56 | return "disconnected"; |
| 57 | } |
| 58 | |
Neels Hofmeyr | 91aa68f | 2018-05-09 17:46:22 +0200 | [diff] [blame] | 59 | static bool oml_is_ts_ready(const struct gsm_bts_trx_ts *ts) |
| 60 | { |
| 61 | return ts && ts->mo.nm_state.operational == NM_OPSTATE_ENABLED; |
| 62 | } |
| 63 | |
Harald Welte | f383aa1 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 64 | struct gsm_bts_model bts_model_nanobts = { |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 65 | .type = GSM_BTS_TYPE_NANOBTS, |
Harald Welte | 09cefee | 2011-02-12 12:29:21 +0100 | [diff] [blame] | 66 | .name = "nanobts", |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 67 | .start = bts_model_nanobts_start, |
Harald Welte | 09cefee | 2011-02-12 12:29:21 +0100 | [diff] [blame] | 68 | .oml_rcvmsg = &abis_nm_rcvmsg, |
Max | 3d049d2 | 2017-10-09 17:12:53 +0200 | [diff] [blame] | 69 | .oml_status = &get_oml_status, |
Neels Hofmeyr | 91aa68f | 2018-05-09 17:46:22 +0200 | [diff] [blame] | 70 | .oml_is_ts_ready = oml_is_ts_ready, |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 71 | .e1line_bind_ops = bts_model_nanobts_e1line_bind_ops, |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 72 | .nm_att_tlvdef = { |
| 73 | .def = { |
| 74 | /* ip.access specifics */ |
| 75 | [NM_ATT_IPACC_DST_IP] = { TLV_TYPE_FIXED, 4 }, |
| 76 | [NM_ATT_IPACC_DST_IP_PORT] = { TLV_TYPE_FIXED, 2 }, |
| 77 | [NM_ATT_IPACC_STREAM_ID] = { TLV_TYPE_TV, }, |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 78 | [NM_ATT_IPACC_SEC_OML_CFG] = { TLV_TYPE_FIXED, 6 }, |
| 79 | [NM_ATT_IPACC_IP_IF_CFG] = { TLV_TYPE_FIXED, 8 }, |
| 80 | [NM_ATT_IPACC_IP_GW_CFG] = { TLV_TYPE_FIXED, 12 }, |
| 81 | [NM_ATT_IPACC_IN_SERV_TIME] = { TLV_TYPE_FIXED, 4 }, |
| 82 | [NM_ATT_IPACC_LOCATION] = { TLV_TYPE_TL16V }, |
| 83 | [NM_ATT_IPACC_PAGING_CFG] = { TLV_TYPE_FIXED, 2 }, |
| 84 | [NM_ATT_IPACC_UNIT_ID] = { TLV_TYPE_TL16V }, |
| 85 | [NM_ATT_IPACC_UNIT_NAME] = { TLV_TYPE_TL16V }, |
| 86 | [NM_ATT_IPACC_SNMP_CFG] = { TLV_TYPE_TL16V }, |
| 87 | [NM_ATT_IPACC_PRIM_OML_CFG_LIST] = { TLV_TYPE_TL16V }, |
| 88 | [NM_ATT_IPACC_NV_FLAGS] = { TLV_TYPE_TL16V }, |
| 89 | [NM_ATT_IPACC_FREQ_CTRL] = { TLV_TYPE_FIXED, 2 }, |
| 90 | [NM_ATT_IPACC_PRIM_OML_FB_TOUT] = { TLV_TYPE_TL16V }, |
| 91 | [NM_ATT_IPACC_CUR_SW_CFG] = { TLV_TYPE_TL16V }, |
| 92 | [NM_ATT_IPACC_TIMING_BUS] = { TLV_TYPE_TL16V }, |
| 93 | [NM_ATT_IPACC_CGI] = { TLV_TYPE_TL16V }, |
| 94 | [NM_ATT_IPACC_RAC] = { TLV_TYPE_TL16V }, |
| 95 | [NM_ATT_IPACC_OBJ_VERSION] = { TLV_TYPE_TL16V }, |
| 96 | [NM_ATT_IPACC_GPRS_PAGING_CFG]= { TLV_TYPE_TL16V }, |
| 97 | [NM_ATT_IPACC_NSEI] = { TLV_TYPE_TL16V }, |
| 98 | [NM_ATT_IPACC_BVCI] = { TLV_TYPE_TL16V }, |
| 99 | [NM_ATT_IPACC_NSVCI] = { TLV_TYPE_TL16V }, |
| 100 | [NM_ATT_IPACC_NS_CFG] = { TLV_TYPE_TL16V }, |
| 101 | [NM_ATT_IPACC_BSSGP_CFG] = { TLV_TYPE_TL16V }, |
| 102 | [NM_ATT_IPACC_NS_LINK_CFG] = { TLV_TYPE_TL16V }, |
| 103 | [NM_ATT_IPACC_RLC_CFG] = { TLV_TYPE_TL16V }, |
| 104 | [NM_ATT_IPACC_ALM_THRESH_LIST]= { TLV_TYPE_TL16V }, |
| 105 | [NM_ATT_IPACC_MONIT_VAL_LIST] = { TLV_TYPE_TL16V }, |
| 106 | [NM_ATT_IPACC_TIB_CONTROL] = { TLV_TYPE_TL16V }, |
| 107 | [NM_ATT_IPACC_SUPP_FEATURES] = { TLV_TYPE_TL16V }, |
| 108 | [NM_ATT_IPACC_CODING_SCHEMES] = { TLV_TYPE_TL16V }, |
| 109 | [NM_ATT_IPACC_RLC_CFG_2] = { TLV_TYPE_TL16V }, |
| 110 | [NM_ATT_IPACC_HEARTB_TOUT] = { TLV_TYPE_TL16V }, |
| 111 | [NM_ATT_IPACC_UPTIME] = { TLV_TYPE_TL16V }, |
| 112 | [NM_ATT_IPACC_RLC_CFG_3] = { TLV_TYPE_TL16V }, |
| 113 | [NM_ATT_IPACC_SSL_CFG] = { TLV_TYPE_TL16V }, |
| 114 | [NM_ATT_IPACC_SEC_POSSIBLE] = { TLV_TYPE_TL16V }, |
| 115 | [NM_ATT_IPACC_IML_SSL_STATE] = { TLV_TYPE_TL16V }, |
| 116 | [NM_ATT_IPACC_REVOC_DATE] = { TLV_TYPE_TL16V }, |
| 117 | }, |
| 118 | }, |
| 119 | }; |
| 120 | |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 121 | |
| 122 | /* Callback function to be called whenever we get a GSM 12.21 state change event */ |
| 123 | static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd) |
| 124 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 125 | uint8_t obj_class = nsd->obj_class; |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 126 | void *obj = nsd->obj; |
| 127 | struct gsm_nm_state *new_state = nsd->new_state; |
| 128 | |
| 129 | struct gsm_bts *bts; |
| 130 | struct gsm_bts_trx *trx; |
| 131 | struct gsm_bts_trx_ts *ts; |
| 132 | struct gsm_bts_gprs_nsvc *nsvc; |
| 133 | |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 134 | struct msgb *msgb; |
Holger Hans Peter Freyther | 9303df2 | 2013-08-29 18:29:46 +0200 | [diff] [blame] | 135 | |
Holger Hans Peter Freyther | 4b0e36a | 2013-04-24 11:33:13 +0200 | [diff] [blame] | 136 | if (!is_ipaccess_bts(nsd->bts)) |
Harald Welte | f38ca9a | 2011-03-06 22:11:32 +0100 | [diff] [blame] | 137 | return 0; |
| 138 | |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 139 | /* This event-driven BTS setup is currently only required on nanoBTS */ |
| 140 | |
| 141 | /* S_NM_STATECHG_ADM is called after we call chg_adm_state() and would create |
| 142 | * endless loop */ |
| 143 | if (evt != S_NM_STATECHG_OPER) |
| 144 | return 0; |
| 145 | |
| 146 | switch (obj_class) { |
| 147 | case NM_OC_SITE_MANAGER: |
| 148 | bts = container_of(obj, struct gsm_bts, site_mgr); |
| 149 | if ((new_state->operational == NM_OPSTATE_ENABLED && |
| 150 | new_state->availability == NM_AVSTATE_OK) || |
| 151 | (new_state->operational == NM_OPSTATE_DISABLED && |
| 152 | new_state->availability == NM_AVSTATE_OFF_LINE)) |
| 153 | abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff); |
| 154 | break; |
| 155 | case NM_OC_BTS: |
| 156 | bts = obj; |
| 157 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 158 | msgb = nanobts_attr_bts_get(bts); |
| 159 | abis_nm_set_bts_attr(bts, msgb->data, msgb->len); |
| 160 | msgb_free(msgb); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 161 | abis_nm_chg_adm_state(bts, obj_class, |
| 162 | bts->bts_nr, 0xff, 0xff, |
| 163 | NM_STATE_UNLOCKED); |
| 164 | abis_nm_opstart(bts, obj_class, |
| 165 | bts->bts_nr, 0xff, 0xff); |
| 166 | } |
| 167 | break; |
| 168 | case NM_OC_CHANNEL: |
| 169 | ts = obj; |
| 170 | trx = ts->trx; |
| 171 | if (new_state->operational == NM_OPSTATE_DISABLED && |
| 172 | new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 173 | enum abis_nm_chan_comb ccomb = |
| 174 | abis_nm_chcomb4pchan(ts->pchan); |
Holger Hans Peter Freyther | 33f2c4d | 2014-11-07 09:54:57 +0100 | [diff] [blame] | 175 | if (abis_nm_set_channel_attr(ts, ccomb) == -EINVAL) { |
| 176 | ipaccess_drop_oml(trx->bts); |
| 177 | return -1; |
| 178 | } |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 179 | abis_nm_chg_adm_state(trx->bts, obj_class, |
| 180 | trx->bts->bts_nr, trx->nr, ts->nr, |
| 181 | NM_STATE_UNLOCKED); |
| 182 | abis_nm_opstart(trx->bts, obj_class, |
| 183 | trx->bts->bts_nr, trx->nr, ts->nr); |
| 184 | } |
| 185 | break; |
| 186 | case NM_OC_RADIO_CARRIER: |
| 187 | trx = obj; |
| 188 | if (new_state->operational == NM_OPSTATE_DISABLED && |
| 189 | new_state->availability == NM_AVSTATE_OK) |
| 190 | abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr, |
| 191 | trx->nr, 0xff); |
| 192 | break; |
| 193 | case NM_OC_GPRS_NSE: |
| 194 | bts = container_of(obj, struct gsm_bts, gprs.nse); |
| 195 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 196 | break; |
| 197 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 198 | msgb = nanobts_attr_nse_get(bts); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 199 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 200 | 0xff, 0xff, msgb->data, |
| 201 | msgb->len); |
| 202 | msgb_free(msgb); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 203 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 204 | 0xff, 0xff); |
| 205 | } |
| 206 | break; |
| 207 | case NM_OC_GPRS_CELL: |
| 208 | bts = container_of(obj, struct gsm_bts, gprs.cell); |
| 209 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 210 | break; |
| 211 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 212 | msgb = nanobts_attr_cell_get(bts); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 213 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 214 | 0, 0xff, msgb->data, |
| 215 | msgb->len); |
| 216 | msgb_free(msgb); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 217 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 218 | 0, 0xff); |
| 219 | abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, |
| 220 | 0, 0xff, NM_STATE_UNLOCKED); |
| 221 | abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr, |
| 222 | 0xff, 0xff, NM_STATE_UNLOCKED); |
| 223 | } |
| 224 | break; |
| 225 | case NM_OC_GPRS_NSVC: |
| 226 | nsvc = obj; |
| 227 | bts = nsvc->bts; |
| 228 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 229 | break; |
| 230 | /* We skip NSVC1 since we only use NSVC0 */ |
| 231 | if (nsvc->id == 1) |
| 232 | break; |
Sylvain Munaut | 67c0c7f | 2011-10-17 13:57:58 +0200 | [diff] [blame] | 233 | if ((new_state->availability == NM_AVSTATE_OFF_LINE) || |
| 234 | (new_state->availability == NM_AVSTATE_DEPENDENCY)) { |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 235 | msgb = nanobts_attr_nscv_get(bts); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 236 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
| 237 | nsvc->id, 0xff, |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 238 | msgb->data, msgb->len); |
| 239 | msgb_free(msgb); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 240 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 241 | nsvc->id, 0xff); |
| 242 | abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, |
| 243 | nsvc->id, 0xff, |
| 244 | NM_STATE_UNLOCKED); |
| 245 | } |
| 246 | default: |
| 247 | break; |
| 248 | } |
| 249 | return 0; |
| 250 | } |
| 251 | |
| 252 | /* Callback function to be called every time we receive a 12.21 SW activated report */ |
| 253 | static int sw_activ_rep(struct msgb *mb) |
| 254 | { |
| 255 | struct abis_om_fom_hdr *foh = msgb_l3(mb); |
Pablo Neira Ayuso | 7abecfc | 2011-08-17 22:43:54 +0200 | [diff] [blame] | 256 | struct e1inp_sign_link *sign_link = mb->dst; |
| 257 | struct gsm_bts *bts = sign_link->trx->bts; |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 258 | struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr); |
| 259 | |
| 260 | if (!trx) |
| 261 | return -EINVAL; |
| 262 | |
Holger Hans Peter Freyther | 4b0e36a | 2013-04-24 11:33:13 +0200 | [diff] [blame] | 263 | if (!is_ipaccess_bts(trx->bts)) |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 264 | return 0; |
| 265 | |
| 266 | switch (foh->obj_class) { |
| 267 | case NM_OC_BASEB_TRANSC: |
| 268 | abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| 269 | trx->bts->bts_nr, trx->nr, 0xff, |
| 270 | NM_STATE_UNLOCKED); |
| 271 | abis_nm_opstart(trx->bts, foh->obj_class, |
| 272 | trx->bts->bts_nr, trx->nr, 0xff); |
| 273 | /* TRX software is active, tell it to initiate RSL Link */ |
Harald Welte | 8b29180 | 2013-03-12 13:57:05 +0100 | [diff] [blame] | 274 | abis_nm_ipaccess_rsl_connect(trx, trx->bts->ip_access.rsl_ip, |
| 275 | 3003, trx->rsl_tei); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 276 | break; |
| 277 | case NM_OC_RADIO_CARRIER: { |
| 278 | /* |
| 279 | * Locking the radio carrier will make it go |
| 280 | * offline again and we would come here. The |
| 281 | * framework should determine that there was |
| 282 | * no change and avoid recursion. |
| 283 | * |
| 284 | * This code is here to make sure that on start |
| 285 | * a TRX remains locked. |
| 286 | */ |
Harald Welte | d64c0bc | 2011-05-30 12:07:53 +0200 | [diff] [blame] | 287 | int rc_state = trx->mo.nm_state.administrative; |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 288 | /* Patch ARFCN into radio attribute */ |
Philipp | b4cb838 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 289 | struct msgb *msgb = nanobts_attr_radio_get(trx->bts, trx); |
| 290 | abis_nm_set_radio_attr(trx, msgb->data, msgb->len); |
| 291 | msgb_free(msgb); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 292 | abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| 293 | trx->bts->bts_nr, trx->nr, 0xff, |
| 294 | rc_state); |
| 295 | abis_nm_opstart(trx->bts, foh->obj_class, trx->bts->bts_nr, |
| 296 | trx->nr, 0xff); |
| 297 | break; |
| 298 | } |
| 299 | } |
| 300 | return 0; |
| 301 | } |
| 302 | |
Neels Hofmeyr | bf70992 | 2018-05-03 16:11:28 +0200 | [diff] [blame] | 303 | static struct gsm_bts_trx_ts *gsm_bts_trx_ts(struct gsm_network *net, |
| 304 | int bts_nr, int trx_nr, int ts_nr) |
| 305 | { |
| 306 | struct gsm_bts *bts; |
| 307 | struct gsm_bts_trx *trx; |
| 308 | bts = gsm_bts_num(net, bts_nr); |
| 309 | if (!bts) |
| 310 | return NULL; |
| 311 | trx = gsm_bts_trx_by_nr(bts, trx_nr); |
| 312 | if (!trx) |
| 313 | return NULL; |
| 314 | if (ts_nr < 0 || ts_nr > ARRAY_SIZE(trx->ts)) |
| 315 | return NULL; |
| 316 | return &trx->ts[ts_nr]; |
| 317 | } |
| 318 | |
| 319 | static void nm_rx_opstart_ack_chan(struct abis_om_fom_hdr *foh) |
| 320 | { |
| 321 | struct gsm_bts_trx_ts *ts; |
| 322 | ts = gsm_bts_trx_ts(bsc_gsmnet, foh->obj_inst.bts_nr, foh->obj_inst.trx_nr, foh->obj_inst.ts_nr); |
| 323 | if (!ts) { |
| 324 | LOGP(DNM, LOGL_ERROR, "%s Channel OPSTART ACK for non-existent TS\n", |
| 325 | abis_nm_dump_foh(foh)); |
| 326 | return; |
| 327 | } |
| 328 | |
Neels Hofmeyr | 91aa68f | 2018-05-09 17:46:22 +0200 | [diff] [blame] | 329 | gsm_ts_check_init(ts); |
Neels Hofmeyr | bf70992 | 2018-05-03 16:11:28 +0200 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | static void nm_rx_opstart_ack(struct abis_om_fom_hdr *foh) |
| 333 | { |
| 334 | switch (foh->obj_class) { |
| 335 | case NM_OC_CHANNEL: |
| 336 | nm_rx_opstart_ack_chan(foh); |
| 337 | break; |
| 338 | default: |
| 339 | break; |
| 340 | } |
| 341 | } |
| 342 | |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 343 | /* Callback function to be called every time we receive a signal from NM */ |
Holger Hans Peter Freyther | 84b033f | 2013-04-24 11:26:44 +0200 | [diff] [blame] | 344 | static int bts_ipa_nm_sig_cb(unsigned int subsys, unsigned int signal, |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 345 | void *handler_data, void *signal_data) |
| 346 | { |
| 347 | if (subsys != SS_NM) |
| 348 | return 0; |
| 349 | |
| 350 | switch (signal) { |
| 351 | case S_NM_SW_ACTIV_REP: |
| 352 | return sw_activ_rep(signal_data); |
| 353 | case S_NM_STATECHG_OPER: |
| 354 | case S_NM_STATECHG_ADM: |
| 355 | return nm_statechg_event(signal, signal_data); |
Neels Hofmeyr | bf70992 | 2018-05-03 16:11:28 +0200 | [diff] [blame] | 356 | case S_NM_OPSTART_ACK: |
| 357 | nm_rx_opstart_ack(signal_data); |
| 358 | return 0; |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 359 | default: |
| 360 | break; |
| 361 | } |
| 362 | return 0; |
| 363 | } |
| 364 | |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 365 | static int bts_model_nanobts_start(struct gsm_network *net) |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 366 | { |
Holger Hans Peter Freyther | 84b033f | 2013-04-24 11:26:44 +0200 | [diff] [blame] | 367 | osmo_signal_unregister_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); |
Holger Hans Peter Freyther | e84dd98 | 2013-04-24 10:54:02 +0200 | [diff] [blame] | 368 | osmo_signal_register_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); |
Holger Hans Peter Freyther | e84dd98 | 2013-04-24 10:54:02 +0200 | [diff] [blame] | 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | int bts_model_nanobts_init(void) |
| 373 | { |
Harald Welte | f383aa1 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 374 | bts_model_nanobts.features.data = &bts_model_nanobts._features_data[0]; |
| 375 | bts_model_nanobts.features.data_len = |
| 376 | sizeof(bts_model_nanobts._features_data); |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 377 | |
Philipp Maier | 8c498fc | 2018-02-21 13:24:36 +0100 | [diff] [blame] | 378 | osmo_bts_set_feature(&bts_model_nanobts.features, BTS_FEAT_GPRS); |
| 379 | osmo_bts_set_feature(&bts_model_nanobts.features, BTS_FEAT_EGPRS); |
| 380 | osmo_bts_set_feature(&bts_model_nanobts.features, BTS_FEAT_MULTI_TSC); |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 381 | |
Harald Welte | f383aa1 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 382 | return gsm_bts_model_register(&bts_model_nanobts); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 383 | } |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 384 | |
| 385 | #define OML_UP 0x0001 |
| 386 | #define RSL_UP 0x0002 |
| 387 | |
| 388 | static struct gsm_bts * |
| 389 | find_bts_by_unitid(struct gsm_network *net, uint16_t site_id, uint16_t bts_id) |
| 390 | { |
| 391 | struct gsm_bts *bts; |
| 392 | |
| 393 | llist_for_each_entry(bts, &net->bts_list, list) { |
| 394 | if (!is_ipaccess_bts(bts)) |
| 395 | continue; |
| 396 | |
| 397 | if (bts->ip_access.site_id == site_id && |
| 398 | bts->ip_access.bts_id == bts_id) |
| 399 | return bts; |
| 400 | } |
| 401 | return NULL; |
| 402 | } |
| 403 | |
| 404 | /* These are exported because they are used by the VTY interface. */ |
| 405 | void ipaccess_drop_rsl(struct gsm_bts_trx *trx) |
| 406 | { |
| 407 | if (!trx->rsl_link) |
| 408 | return; |
| 409 | |
Stefan Sperling | 7b70926 | 2018-04-19 14:31:11 +0200 | [diff] [blame] | 410 | LOGP(DLINP, LOGL_NOTICE, "(bts=%d,trx=%d) Dropping RSL link.\n", trx->bts->nr, trx->nr); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 411 | e1inp_sign_link_destroy(trx->rsl_link); |
| 412 | trx->rsl_link = NULL; |
Stefan Sperling | 7b70926 | 2018-04-19 14:31:11 +0200 | [diff] [blame] | 413 | |
| 414 | if (trx->bts->c0 == trx) |
| 415 | paging_flush_bts(trx->bts, NULL); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | void ipaccess_drop_oml(struct gsm_bts *bts) |
| 419 | { |
Holger Hans Peter Freyther | f7e23c5 | 2014-12-17 15:44:32 +0100 | [diff] [blame] | 420 | struct gsm_bts *rdep_bts; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 421 | struct gsm_bts_trx *trx; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 422 | |
| 423 | if (!bts->oml_link) |
| 424 | return; |
| 425 | |
Stefan Sperling | 7b70926 | 2018-04-19 14:31:11 +0200 | [diff] [blame] | 426 | LOGP(DLINP, LOGL_NOTICE, "(bts=%d) Dropping OML link.\n", bts->nr); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 427 | e1inp_sign_link_destroy(bts->oml_link); |
| 428 | bts->oml_link = NULL; |
Max | d1f70ed | 2017-09-21 16:15:32 +0200 | [diff] [blame] | 429 | bts->uptime = 0; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 430 | |
| 431 | /* we have issues reconnecting RSL, drop everything. */ |
| 432 | llist_for_each_entry(trx, &bts->trx_list, list) |
| 433 | ipaccess_drop_rsl(trx); |
| 434 | |
Neels Hofmeyr | 91aa68f | 2018-05-09 17:46:22 +0200 | [diff] [blame] | 435 | gsm_bts_mark_all_ts_uninitialized(bts); |
| 436 | |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 437 | bts->ip_access.flags = 0; |
Holger Hans Peter Freyther | f7e23c5 | 2014-12-17 15:44:32 +0100 | [diff] [blame] | 438 | |
| 439 | /* |
| 440 | * Go through the list and see if we are the depndency of a BTS |
| 441 | * and then drop the BTS. This can lead to some recursion but it |
| 442 | * should be fine in userspace. |
| 443 | * The oml_link is serving as recursion anchor for us and |
| 444 | * it is set to NULL some lines above. |
| 445 | */ |
| 446 | llist_for_each_entry(rdep_bts, &bts->network->bts_list, list) { |
| 447 | if (!bts_depend_is_depedency(rdep_bts, bts)) |
| 448 | continue; |
| 449 | LOGP(DLINP, LOGL_NOTICE, "Dropping BTS(%u) due BTS(%u).\n", |
| 450 | rdep_bts->nr, bts->nr); |
| 451 | ipaccess_drop_oml(rdep_bts); |
| 452 | } |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | /* This function is called once the OML/RSL link becomes up. */ |
| 456 | static struct e1inp_sign_link * |
| 457 | ipaccess_sign_link_up(void *unit_data, struct e1inp_line *line, |
| 458 | enum e1inp_sign_type type) |
| 459 | { |
| 460 | struct gsm_bts *bts; |
| 461 | struct ipaccess_unit *dev = unit_data; |
| 462 | struct e1inp_sign_link *sign_link = NULL; |
Max | d1f70ed | 2017-09-21 16:15:32 +0200 | [diff] [blame] | 463 | struct timespec tp; |
| 464 | int rc; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 465 | |
Holger Hans Peter Freyther | e48c187 | 2013-04-24 11:36:15 +0200 | [diff] [blame] | 466 | bts = find_bts_by_unitid(bsc_gsmnet, dev->site_id, dev->bts_id); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 467 | if (!bts) { |
| 468 | LOGP(DLINP, LOGL_ERROR, "Unable to find BTS configuration for " |
| 469 | " %u/%u/%u, disconnecting\n", dev->site_id, |
| 470 | dev->bts_id, dev->trx_id); |
Stefan Sperling | 7926d98 | 2018-05-17 14:52:02 +0200 | [diff] [blame] | 471 | rate_ctr_inc(&bsc_gsmnet->bsc_ctrs->ctr[BSC_CTR_UNKNOWN_UNIT_ID]); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 472 | return NULL; |
| 473 | } |
| 474 | DEBUGP(DLINP, "Identified BTS %u/%u/%u\n", |
| 475 | dev->site_id, dev->bts_id, dev->trx_id); |
| 476 | |
| 477 | switch(type) { |
| 478 | case E1INP_SIGN_OML: |
| 479 | /* remove old OML signal link for this BTS. */ |
| 480 | ipaccess_drop_oml(bts); |
| 481 | |
Holger Hans Peter Freyther | c22930e | 2014-12-17 14:46:17 +0100 | [diff] [blame] | 482 | if (!bts_depend_check(bts)) { |
| 483 | LOGP(DLINP, LOGL_NOTICE, |
| 484 | "Dependency not full-filled for %u/%u/%u\n", |
| 485 | dev->site_id, dev->bts_id, dev->trx_id); |
| 486 | return NULL; |
| 487 | } |
| 488 | |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 489 | /* create new OML link. */ |
| 490 | sign_link = bts->oml_link = |
| 491 | e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML - 1], |
| 492 | E1INP_SIGN_OML, bts->c0, |
| 493 | bts->oml_tei, 0); |
Max | d1f70ed | 2017-09-21 16:15:32 +0200 | [diff] [blame] | 494 | rc = clock_gettime(CLOCK_MONOTONIC, &tp); |
| 495 | bts->uptime = (rc < 0) ? 0 : tp.tv_sec; /* we don't need sub-second precision for uptime */ |
Stefan Sperling | 44311ea | 2018-03-26 13:02:33 +0200 | [diff] [blame] | 496 | if (!(sign_link->trx->bts->ip_access.flags & OML_UP)) { |
| 497 | e1inp_event(sign_link->ts, S_L_INP_TEI_UP, |
| 498 | sign_link->tei, sign_link->sapi); |
| 499 | sign_link->trx->bts->ip_access.flags |= OML_UP; |
| 500 | } |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 501 | break; |
| 502 | case E1INP_SIGN_RSL: { |
| 503 | struct e1inp_ts *ts; |
| 504 | struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, dev->trx_id); |
| 505 | |
| 506 | /* no OML link set yet? give up. */ |
Holger Hans Peter Freyther | 8bb0720 | 2013-06-30 19:02:57 +0200 | [diff] [blame] | 507 | if (!bts->oml_link || !trx) |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 508 | return NULL; |
| 509 | |
| 510 | /* remove old RSL link for this TRX. */ |
| 511 | ipaccess_drop_rsl(trx); |
| 512 | |
| 513 | /* set new RSL link for this TRX. */ |
| 514 | line = bts->oml_link->ts->line; |
| 515 | ts = &line->ts[E1INP_SIGN_RSL + dev->trx_id - 1]; |
| 516 | e1inp_ts_config_sign(ts, line); |
| 517 | sign_link = trx->rsl_link = |
| 518 | e1inp_sign_link_create(ts, E1INP_SIGN_RSL, |
| 519 | trx, trx->rsl_tei, 0); |
| 520 | trx->rsl_link->ts->sign.delay = 0; |
Stefan Sperling | 44311ea | 2018-03-26 13:02:33 +0200 | [diff] [blame] | 521 | if (!(sign_link->trx->bts->ip_access.flags & |
| 522 | (RSL_UP << sign_link->trx->nr))) { |
| 523 | e1inp_event(sign_link->ts, S_L_INP_TEI_UP, |
| 524 | sign_link->tei, sign_link->sapi); |
| 525 | sign_link->trx->bts->ip_access.flags |= |
| 526 | (RSL_UP << sign_link->trx->nr); |
| 527 | } |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 528 | break; |
| 529 | } |
| 530 | default: |
| 531 | break; |
| 532 | } |
| 533 | return sign_link; |
| 534 | } |
| 535 | |
| 536 | static void ipaccess_sign_link_down(struct e1inp_line *line) |
| 537 | { |
| 538 | /* No matter what link went down, we close both signal links. */ |
| 539 | struct e1inp_ts *ts = &line->ts[E1INP_SIGN_OML-1]; |
Stefan Sperling | 73acbca | 2018-02-12 14:28:52 +0100 | [diff] [blame] | 540 | struct gsm_bts *bts = NULL; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 541 | struct e1inp_sign_link *link; |
| 542 | |
| 543 | llist_for_each_entry(link, &ts->sign.sign_links, list) { |
Stefan Sperling | 73acbca | 2018-02-12 14:28:52 +0100 | [diff] [blame] | 544 | /* Get bts pointer from the first element of the list. */ |
| 545 | if (bts == NULL) |
| 546 | bts = link->trx->bts; |
| 547 | /* Cancel RSL connection timeout in case are still waiting for an RSL connection. */ |
| 548 | if (link->trx->mo.nm_state.administrative == NM_STATE_UNLOCKED) |
| 549 | osmo_timer_del(&link->trx->rsl_connect_timeout); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 550 | } |
Stefan Sperling | 73acbca | 2018-02-12 14:28:52 +0100 | [diff] [blame] | 551 | if (bts != NULL) |
| 552 | ipaccess_drop_oml(bts); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | /* This function is called if we receive one OML/RSL message. */ |
| 556 | static int ipaccess_sign_link(struct msgb *msg) |
| 557 | { |
| 558 | int ret = 0; |
| 559 | struct e1inp_sign_link *link = msg->dst; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 560 | |
| 561 | switch (link->type) { |
| 562 | case E1INP_SIGN_RSL: |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 563 | ret = abis_rsl_rcvmsg(msg); |
| 564 | break; |
| 565 | case E1INP_SIGN_OML: |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 566 | ret = abis_nm_rcvmsg(msg); |
| 567 | break; |
| 568 | default: |
| 569 | LOGP(DLINP, LOGL_ERROR, "Unknown signal link type %d\n", |
| 570 | link->type); |
| 571 | msgb_free(msg); |
| 572 | break; |
| 573 | } |
| 574 | return ret; |
| 575 | } |
| 576 | |
| 577 | /* not static, ipaccess-config needs it. */ |
| 578 | struct e1inp_line_ops ipaccess_e1inp_line_ops = { |
| 579 | .cfg = { |
| 580 | .ipa = { |
| 581 | .addr = "0.0.0.0", |
| 582 | .role = E1INP_LINE_R_BSC, |
| 583 | }, |
| 584 | }, |
| 585 | .sign_link_up = ipaccess_sign_link_up, |
| 586 | .sign_link_down = ipaccess_sign_link_down, |
| 587 | .sign_link = ipaccess_sign_link, |
| 588 | }; |
| 589 | |
| 590 | static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line) |
| 591 | { |
| 592 | e1inp_line_bind_ops(line, &ipaccess_e1inp_line_ops); |
| 593 | } |