Harald Welte | 59698fb | 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 | 0e3e88e | 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 | 59698fb | 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 | 0e3e88e | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 15 | * GNU Affero General Public License for more details. |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 16 | * |
Harald Welte | 0e3e88e | 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 | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 19 | * |
| 20 | */ |
| 21 | |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 22 | #include <arpa/inet.h> |
| 23 | |
Pablo Neira Ayuso | dd5fff4 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 24 | #include <osmocom/gsm/tlv.h> |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 25 | |
| 26 | #include <openbsc/gsm_data.h> |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 27 | #include <openbsc/signal.h> |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 28 | #include <openbsc/abis_nm.h> |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 29 | #include <osmocom/abis/e1_input.h> |
| 30 | #include <osmocom/gsm/tlv.h> |
| 31 | #include <osmocom/core/msgb.h> |
| 32 | #include <osmocom/core/talloc.h> |
| 33 | #include <openbsc/gsm_data.h> |
| 34 | #include <openbsc/abis_nm.h> |
| 35 | #include <openbsc/abis_rsl.h> |
| 36 | #include <openbsc/debug.h> |
| 37 | #include <osmocom/abis/subchan_demux.h> |
Harald Welte | 161ab99 | 2014-08-20 23:46:40 +0200 | [diff] [blame] | 38 | #include <osmocom/gsm/ipa.h> |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 39 | #include <osmocom/abis/ipaccess.h> |
| 40 | #include <osmocom/core/logging.h> |
Holger Hans Peter Freyther | c81c475 | 2014-11-07 09:54:57 +0100 | [diff] [blame] | 41 | #include <openbsc/ipaccess.h> |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 42 | #include <openbsc/bts_ipaccess_nanobts_omlattr.h> |
Pablo Neira Ayuso | 5bd96a7 | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 43 | |
Holger Hans Peter Freyther | ed8cc0e | 2013-04-24 11:36:15 +0200 | [diff] [blame] | 44 | extern struct gsm_network *bsc_gsmnet; |
| 45 | |
Pablo Neira Ayuso | 5bd96a7 | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 46 | static int bts_model_nanobts_start(struct gsm_network *net); |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 47 | static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line); |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 48 | |
Harald Welte | 35ac0e4 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 49 | struct gsm_bts_model bts_model_nanobts = { |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 50 | .type = GSM_BTS_TYPE_NANOBTS, |
Harald Welte | 9480980 | 2011-02-12 12:29:21 +0100 | [diff] [blame] | 51 | .name = "nanobts", |
Pablo Neira Ayuso | 5bd96a7 | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 52 | .start = bts_model_nanobts_start, |
Harald Welte | 9480980 | 2011-02-12 12:29:21 +0100 | [diff] [blame] | 53 | .oml_rcvmsg = &abis_nm_rcvmsg, |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 54 | .e1line_bind_ops = bts_model_nanobts_e1line_bind_ops, |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 55 | .nm_att_tlvdef = { |
| 56 | .def = { |
| 57 | /* ip.access specifics */ |
| 58 | [NM_ATT_IPACC_DST_IP] = { TLV_TYPE_FIXED, 4 }, |
| 59 | [NM_ATT_IPACC_DST_IP_PORT] = { TLV_TYPE_FIXED, 2 }, |
| 60 | [NM_ATT_IPACC_STREAM_ID] = { TLV_TYPE_TV, }, |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 61 | [NM_ATT_IPACC_SEC_OML_CFG] = { TLV_TYPE_FIXED, 6 }, |
| 62 | [NM_ATT_IPACC_IP_IF_CFG] = { TLV_TYPE_FIXED, 8 }, |
| 63 | [NM_ATT_IPACC_IP_GW_CFG] = { TLV_TYPE_FIXED, 12 }, |
| 64 | [NM_ATT_IPACC_IN_SERV_TIME] = { TLV_TYPE_FIXED, 4 }, |
| 65 | [NM_ATT_IPACC_LOCATION] = { TLV_TYPE_TL16V }, |
| 66 | [NM_ATT_IPACC_PAGING_CFG] = { TLV_TYPE_FIXED, 2 }, |
| 67 | [NM_ATT_IPACC_UNIT_ID] = { TLV_TYPE_TL16V }, |
| 68 | [NM_ATT_IPACC_UNIT_NAME] = { TLV_TYPE_TL16V }, |
| 69 | [NM_ATT_IPACC_SNMP_CFG] = { TLV_TYPE_TL16V }, |
| 70 | [NM_ATT_IPACC_PRIM_OML_CFG_LIST] = { TLV_TYPE_TL16V }, |
| 71 | [NM_ATT_IPACC_NV_FLAGS] = { TLV_TYPE_TL16V }, |
| 72 | [NM_ATT_IPACC_FREQ_CTRL] = { TLV_TYPE_FIXED, 2 }, |
| 73 | [NM_ATT_IPACC_PRIM_OML_FB_TOUT] = { TLV_TYPE_TL16V }, |
| 74 | [NM_ATT_IPACC_CUR_SW_CFG] = { TLV_TYPE_TL16V }, |
| 75 | [NM_ATT_IPACC_TIMING_BUS] = { TLV_TYPE_TL16V }, |
| 76 | [NM_ATT_IPACC_CGI] = { TLV_TYPE_TL16V }, |
| 77 | [NM_ATT_IPACC_RAC] = { TLV_TYPE_TL16V }, |
| 78 | [NM_ATT_IPACC_OBJ_VERSION] = { TLV_TYPE_TL16V }, |
| 79 | [NM_ATT_IPACC_GPRS_PAGING_CFG]= { TLV_TYPE_TL16V }, |
| 80 | [NM_ATT_IPACC_NSEI] = { TLV_TYPE_TL16V }, |
| 81 | [NM_ATT_IPACC_BVCI] = { TLV_TYPE_TL16V }, |
| 82 | [NM_ATT_IPACC_NSVCI] = { TLV_TYPE_TL16V }, |
| 83 | [NM_ATT_IPACC_NS_CFG] = { TLV_TYPE_TL16V }, |
| 84 | [NM_ATT_IPACC_BSSGP_CFG] = { TLV_TYPE_TL16V }, |
| 85 | [NM_ATT_IPACC_NS_LINK_CFG] = { TLV_TYPE_TL16V }, |
| 86 | [NM_ATT_IPACC_RLC_CFG] = { TLV_TYPE_TL16V }, |
| 87 | [NM_ATT_IPACC_ALM_THRESH_LIST]= { TLV_TYPE_TL16V }, |
| 88 | [NM_ATT_IPACC_MONIT_VAL_LIST] = { TLV_TYPE_TL16V }, |
| 89 | [NM_ATT_IPACC_TIB_CONTROL] = { TLV_TYPE_TL16V }, |
| 90 | [NM_ATT_IPACC_SUPP_FEATURES] = { TLV_TYPE_TL16V }, |
| 91 | [NM_ATT_IPACC_CODING_SCHEMES] = { TLV_TYPE_TL16V }, |
| 92 | [NM_ATT_IPACC_RLC_CFG_2] = { TLV_TYPE_TL16V }, |
| 93 | [NM_ATT_IPACC_HEARTB_TOUT] = { TLV_TYPE_TL16V }, |
| 94 | [NM_ATT_IPACC_UPTIME] = { TLV_TYPE_TL16V }, |
| 95 | [NM_ATT_IPACC_RLC_CFG_3] = { TLV_TYPE_TL16V }, |
| 96 | [NM_ATT_IPACC_SSL_CFG] = { TLV_TYPE_TL16V }, |
| 97 | [NM_ATT_IPACC_SEC_POSSIBLE] = { TLV_TYPE_TL16V }, |
| 98 | [NM_ATT_IPACC_IML_SSL_STATE] = { TLV_TYPE_TL16V }, |
| 99 | [NM_ATT_IPACC_REVOC_DATE] = { TLV_TYPE_TL16V }, |
| 100 | }, |
| 101 | }, |
| 102 | }; |
| 103 | |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 104 | |
| 105 | /* Callback function to be called whenever we get a GSM 12.21 state change event */ |
| 106 | static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd) |
| 107 | { |
Holger Hans Peter Freyther | 7eb8a9a | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 108 | uint8_t obj_class = nsd->obj_class; |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 109 | void *obj = nsd->obj; |
| 110 | struct gsm_nm_state *new_state = nsd->new_state; |
| 111 | |
| 112 | struct gsm_bts *bts; |
| 113 | struct gsm_bts_trx *trx; |
| 114 | struct gsm_bts_trx_ts *ts; |
| 115 | struct gsm_bts_gprs_nsvc *nsvc; |
| 116 | |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 117 | struct msgb *msgb; |
Holger Hans Peter Freyther | 27d407a | 2013-08-29 18:29:46 +0200 | [diff] [blame] | 118 | |
Holger Hans Peter Freyther | 76d8255 | 2013-04-24 11:33:13 +0200 | [diff] [blame] | 119 | if (!is_ipaccess_bts(nsd->bts)) |
Harald Welte | b03c448 | 2011-03-06 22:11:32 +0100 | [diff] [blame] | 120 | return 0; |
| 121 | |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 122 | /* This event-driven BTS setup is currently only required on nanoBTS */ |
| 123 | |
| 124 | /* S_NM_STATECHG_ADM is called after we call chg_adm_state() and would create |
| 125 | * endless loop */ |
| 126 | if (evt != S_NM_STATECHG_OPER) |
| 127 | return 0; |
| 128 | |
| 129 | switch (obj_class) { |
| 130 | case NM_OC_SITE_MANAGER: |
| 131 | bts = container_of(obj, struct gsm_bts, site_mgr); |
| 132 | if ((new_state->operational == NM_OPSTATE_ENABLED && |
| 133 | new_state->availability == NM_AVSTATE_OK) || |
| 134 | (new_state->operational == NM_OPSTATE_DISABLED && |
| 135 | new_state->availability == NM_AVSTATE_OFF_LINE)) |
| 136 | abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff); |
| 137 | break; |
| 138 | case NM_OC_BTS: |
| 139 | bts = obj; |
| 140 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 141 | msgb = nanobts_attr_bts_get(bts); |
| 142 | abis_nm_set_bts_attr(bts, msgb->data, msgb->len); |
| 143 | msgb_free(msgb); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 144 | abis_nm_chg_adm_state(bts, obj_class, |
| 145 | bts->bts_nr, 0xff, 0xff, |
| 146 | NM_STATE_UNLOCKED); |
| 147 | abis_nm_opstart(bts, obj_class, |
| 148 | bts->bts_nr, 0xff, 0xff); |
| 149 | } |
| 150 | break; |
| 151 | case NM_OC_CHANNEL: |
| 152 | ts = obj; |
| 153 | trx = ts->trx; |
| 154 | if (new_state->operational == NM_OPSTATE_DISABLED && |
| 155 | new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 156 | enum abis_nm_chan_comb ccomb = |
| 157 | abis_nm_chcomb4pchan(ts->pchan); |
Holger Hans Peter Freyther | c81c475 | 2014-11-07 09:54:57 +0100 | [diff] [blame] | 158 | if (abis_nm_set_channel_attr(ts, ccomb) == -EINVAL) { |
| 159 | ipaccess_drop_oml(trx->bts); |
| 160 | return -1; |
| 161 | } |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 162 | abis_nm_chg_adm_state(trx->bts, obj_class, |
| 163 | trx->bts->bts_nr, trx->nr, ts->nr, |
| 164 | NM_STATE_UNLOCKED); |
| 165 | abis_nm_opstart(trx->bts, obj_class, |
| 166 | trx->bts->bts_nr, trx->nr, ts->nr); |
| 167 | } |
Neels Hofmeyr | a34ddc5 | 2016-06-02 01:18:02 +0200 | [diff] [blame] | 168 | if (new_state->operational == NM_OPSTATE_ENABLED |
| 169 | && new_state->availability == NM_AVSTATE_OK) |
Neels Hofmeyr | b763811 | 2016-07-23 20:08:41 +0200 | [diff] [blame] | 170 | dyn_ts_init(ts); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 171 | break; |
| 172 | case NM_OC_RADIO_CARRIER: |
| 173 | trx = obj; |
| 174 | if (new_state->operational == NM_OPSTATE_DISABLED && |
| 175 | new_state->availability == NM_AVSTATE_OK) |
| 176 | abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr, |
| 177 | trx->nr, 0xff); |
| 178 | break; |
| 179 | case NM_OC_GPRS_NSE: |
| 180 | bts = container_of(obj, struct gsm_bts, gprs.nse); |
| 181 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 182 | break; |
| 183 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 184 | msgb = nanobts_attr_nse_get(bts); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 185 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 186 | 0xff, 0xff, msgb->data, |
| 187 | msgb->len); |
| 188 | msgb_free(msgb); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 189 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 190 | 0xff, 0xff); |
| 191 | } |
| 192 | break; |
| 193 | case NM_OC_GPRS_CELL: |
| 194 | bts = container_of(obj, struct gsm_bts, gprs.cell); |
| 195 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 196 | break; |
| 197 | if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 198 | msgb = nanobts_attr_cell_get(bts); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 199 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 200 | 0, 0xff, msgb->data, |
| 201 | msgb->len); |
| 202 | msgb_free(msgb); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 203 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 204 | 0, 0xff); |
| 205 | abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, |
| 206 | 0, 0xff, NM_STATE_UNLOCKED); |
| 207 | abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr, |
| 208 | 0xff, 0xff, NM_STATE_UNLOCKED); |
| 209 | } |
| 210 | break; |
| 211 | case NM_OC_GPRS_NSVC: |
| 212 | nsvc = obj; |
| 213 | bts = nsvc->bts; |
| 214 | if (bts->gprs.mode == BTS_GPRS_NONE) |
| 215 | break; |
| 216 | /* We skip NSVC1 since we only use NSVC0 */ |
| 217 | if (nsvc->id == 1) |
| 218 | break; |
Sylvain Munaut | 99118d3 | 2011-10-17 13:57:58 +0200 | [diff] [blame] | 219 | if ((new_state->availability == NM_AVSTATE_OFF_LINE) || |
| 220 | (new_state->availability == NM_AVSTATE_DEPENDENCY)) { |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 221 | msgb = nanobts_attr_nscv_get(bts); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 222 | abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, |
| 223 | nsvc->id, 0xff, |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 224 | msgb->data, msgb->len); |
| 225 | msgb_free(msgb); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 226 | abis_nm_opstart(bts, obj_class, bts->bts_nr, |
| 227 | nsvc->id, 0xff); |
| 228 | abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, |
| 229 | nsvc->id, 0xff, |
| 230 | NM_STATE_UNLOCKED); |
| 231 | } |
| 232 | default: |
| 233 | break; |
| 234 | } |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | /* Callback function to be called every time we receive a 12.21 SW activated report */ |
| 239 | static int sw_activ_rep(struct msgb *mb) |
| 240 | { |
| 241 | struct abis_om_fom_hdr *foh = msgb_l3(mb); |
Pablo Neira Ayuso | 88c9bba | 2011-08-17 22:43:54 +0200 | [diff] [blame] | 242 | struct e1inp_sign_link *sign_link = mb->dst; |
| 243 | struct gsm_bts *bts = sign_link->trx->bts; |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 244 | struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr); |
| 245 | |
| 246 | if (!trx) |
| 247 | return -EINVAL; |
| 248 | |
Holger Hans Peter Freyther | 76d8255 | 2013-04-24 11:33:13 +0200 | [diff] [blame] | 249 | if (!is_ipaccess_bts(trx->bts)) |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 250 | return 0; |
| 251 | |
| 252 | switch (foh->obj_class) { |
| 253 | case NM_OC_BASEB_TRANSC: |
| 254 | abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| 255 | trx->bts->bts_nr, trx->nr, 0xff, |
| 256 | NM_STATE_UNLOCKED); |
| 257 | abis_nm_opstart(trx->bts, foh->obj_class, |
| 258 | trx->bts->bts_nr, trx->nr, 0xff); |
| 259 | /* TRX software is active, tell it to initiate RSL Link */ |
Harald Welte | 8b3c595 | 2013-03-12 13:57:05 +0100 | [diff] [blame] | 260 | abis_nm_ipaccess_rsl_connect(trx, trx->bts->ip_access.rsl_ip, |
| 261 | 3003, trx->rsl_tei); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 262 | break; |
| 263 | case NM_OC_RADIO_CARRIER: { |
| 264 | /* |
| 265 | * Locking the radio carrier will make it go |
| 266 | * offline again and we would come here. The |
| 267 | * framework should determine that there was |
| 268 | * no change and avoid recursion. |
| 269 | * |
| 270 | * This code is here to make sure that on start |
| 271 | * a TRX remains locked. |
| 272 | */ |
Harald Welte | 69f6f81 | 2011-05-30 12:07:53 +0200 | [diff] [blame] | 273 | int rc_state = trx->mo.nm_state.administrative; |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 274 | /* Patch ARFCN into radio attribute */ |
Philipp | 38d64b6 | 2016-09-29 17:01:57 +0200 | [diff] [blame] | 275 | struct msgb *msgb = nanobts_attr_radio_get(trx->bts, trx); |
| 276 | abis_nm_set_radio_attr(trx, msgb->data, msgb->len); |
| 277 | msgb_free(msgb); |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 278 | abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| 279 | trx->bts->bts_nr, trx->nr, 0xff, |
| 280 | rc_state); |
| 281 | abis_nm_opstart(trx->bts, foh->obj_class, trx->bts->bts_nr, |
| 282 | trx->nr, 0xff); |
| 283 | break; |
| 284 | } |
| 285 | } |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | /* Callback function to be called every time we receive a signal from NM */ |
Holger Hans Peter Freyther | 48f01d7 | 2013-04-24 11:26:44 +0200 | [diff] [blame] | 290 | static int bts_ipa_nm_sig_cb(unsigned int subsys, unsigned int signal, |
Harald Welte | 4c826f7 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 291 | void *handler_data, void *signal_data) |
| 292 | { |
| 293 | if (subsys != SS_NM) |
| 294 | return 0; |
| 295 | |
| 296 | switch (signal) { |
| 297 | case S_NM_SW_ACTIV_REP: |
| 298 | return sw_activ_rep(signal_data); |
| 299 | case S_NM_STATECHG_OPER: |
| 300 | case S_NM_STATECHG_ADM: |
| 301 | return nm_statechg_event(signal, signal_data); |
| 302 | default: |
| 303 | break; |
| 304 | } |
| 305 | return 0; |
| 306 | } |
| 307 | |
Pablo Neira Ayuso | 5bd96a7 | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 308 | static int bts_model_nanobts_start(struct gsm_network *net) |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 309 | { |
Holger Hans Peter Freyther | 48f01d7 | 2013-04-24 11:26:44 +0200 | [diff] [blame] | 310 | osmo_signal_unregister_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); |
Holger Hans Peter Freyther | 2395708 | 2013-04-24 10:54:02 +0200 | [diff] [blame] | 311 | osmo_signal_register_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); |
Holger Hans Peter Freyther | 2395708 | 2013-04-24 10:54:02 +0200 | [diff] [blame] | 312 | return 0; |
| 313 | } |
| 314 | |
| 315 | int bts_model_nanobts_init(void) |
| 316 | { |
Harald Welte | 35ac0e4 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 317 | bts_model_nanobts.features.data = &bts_model_nanobts._features_data[0]; |
| 318 | bts_model_nanobts.features.data_len = |
| 319 | sizeof(bts_model_nanobts._features_data); |
Harald Welte | 20e275a | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 320 | |
Harald Welte | 35ac0e4 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 321 | gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_GPRS); |
| 322 | gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_EGPRS); |
Harald Welte | 499cd25 | 2014-01-19 17:10:50 +0100 | [diff] [blame] | 323 | gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_MULTI_TSC); |
Harald Welte | 20e275a | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 324 | |
Harald Welte | 35ac0e4 | 2012-07-02 19:51:55 +0200 | [diff] [blame] | 325 | return gsm_bts_model_register(&bts_model_nanobts); |
Harald Welte | 59698fb | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 326 | } |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 327 | |
| 328 | #define OML_UP 0x0001 |
| 329 | #define RSL_UP 0x0002 |
| 330 | |
| 331 | static struct gsm_bts * |
| 332 | find_bts_by_unitid(struct gsm_network *net, uint16_t site_id, uint16_t bts_id) |
| 333 | { |
| 334 | struct gsm_bts *bts; |
| 335 | |
| 336 | llist_for_each_entry(bts, &net->bts_list, list) { |
| 337 | if (!is_ipaccess_bts(bts)) |
| 338 | continue; |
| 339 | |
| 340 | if (bts->ip_access.site_id == site_id && |
| 341 | bts->ip_access.bts_id == bts_id) |
| 342 | return bts; |
| 343 | } |
| 344 | return NULL; |
| 345 | } |
| 346 | |
| 347 | /* These are exported because they are used by the VTY interface. */ |
| 348 | void ipaccess_drop_rsl(struct gsm_bts_trx *trx) |
| 349 | { |
| 350 | if (!trx->rsl_link) |
| 351 | return; |
| 352 | |
| 353 | e1inp_sign_link_destroy(trx->rsl_link); |
| 354 | trx->rsl_link = NULL; |
| 355 | } |
| 356 | |
| 357 | void ipaccess_drop_oml(struct gsm_bts *bts) |
| 358 | { |
Holger Hans Peter Freyther | c38653e | 2014-12-17 15:44:32 +0100 | [diff] [blame] | 359 | struct gsm_bts *rdep_bts; |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 360 | struct gsm_bts_trx *trx; |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 361 | |
| 362 | if (!bts->oml_link) |
| 363 | return; |
| 364 | |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 365 | e1inp_sign_link_destroy(bts->oml_link); |
| 366 | bts->oml_link = NULL; |
| 367 | |
| 368 | /* we have issues reconnecting RSL, drop everything. */ |
| 369 | llist_for_each_entry(trx, &bts->trx_list, list) |
| 370 | ipaccess_drop_rsl(trx); |
| 371 | |
| 372 | bts->ip_access.flags = 0; |
Holger Hans Peter Freyther | c38653e | 2014-12-17 15:44:32 +0100 | [diff] [blame] | 373 | |
| 374 | /* |
| 375 | * Go through the list and see if we are the depndency of a BTS |
| 376 | * and then drop the BTS. This can lead to some recursion but it |
| 377 | * should be fine in userspace. |
| 378 | * The oml_link is serving as recursion anchor for us and |
| 379 | * it is set to NULL some lines above. |
| 380 | */ |
| 381 | llist_for_each_entry(rdep_bts, &bts->network->bts_list, list) { |
| 382 | if (!bts_depend_is_depedency(rdep_bts, bts)) |
| 383 | continue; |
| 384 | LOGP(DLINP, LOGL_NOTICE, "Dropping BTS(%u) due BTS(%u).\n", |
| 385 | rdep_bts->nr, bts->nr); |
| 386 | ipaccess_drop_oml(rdep_bts); |
| 387 | } |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | /* This function is called once the OML/RSL link becomes up. */ |
| 391 | static struct e1inp_sign_link * |
| 392 | ipaccess_sign_link_up(void *unit_data, struct e1inp_line *line, |
| 393 | enum e1inp_sign_type type) |
| 394 | { |
| 395 | struct gsm_bts *bts; |
| 396 | struct ipaccess_unit *dev = unit_data; |
| 397 | struct e1inp_sign_link *sign_link = NULL; |
| 398 | |
Holger Hans Peter Freyther | ed8cc0e | 2013-04-24 11:36:15 +0200 | [diff] [blame] | 399 | bts = find_bts_by_unitid(bsc_gsmnet, dev->site_id, dev->bts_id); |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 400 | if (!bts) { |
| 401 | LOGP(DLINP, LOGL_ERROR, "Unable to find BTS configuration for " |
| 402 | " %u/%u/%u, disconnecting\n", dev->site_id, |
| 403 | dev->bts_id, dev->trx_id); |
| 404 | return NULL; |
| 405 | } |
| 406 | DEBUGP(DLINP, "Identified BTS %u/%u/%u\n", |
| 407 | dev->site_id, dev->bts_id, dev->trx_id); |
| 408 | |
| 409 | switch(type) { |
| 410 | case E1INP_SIGN_OML: |
| 411 | /* remove old OML signal link for this BTS. */ |
| 412 | ipaccess_drop_oml(bts); |
| 413 | |
Holger Hans Peter Freyther | 1515261 | 2014-12-17 14:46:17 +0100 | [diff] [blame] | 414 | if (!bts_depend_check(bts)) { |
| 415 | LOGP(DLINP, LOGL_NOTICE, |
| 416 | "Dependency not full-filled for %u/%u/%u\n", |
| 417 | dev->site_id, dev->bts_id, dev->trx_id); |
| 418 | return NULL; |
| 419 | } |
| 420 | |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 421 | /* create new OML link. */ |
| 422 | sign_link = bts->oml_link = |
| 423 | e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML - 1], |
| 424 | E1INP_SIGN_OML, bts->c0, |
| 425 | bts->oml_tei, 0); |
| 426 | break; |
| 427 | case E1INP_SIGN_RSL: { |
| 428 | struct e1inp_ts *ts; |
| 429 | struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, dev->trx_id); |
| 430 | |
| 431 | /* no OML link set yet? give up. */ |
Holger Hans Peter Freyther | f1ee6cc | 2013-06-30 19:02:57 +0200 | [diff] [blame] | 432 | if (!bts->oml_link || !trx) |
Pablo Neira Ayuso | 42e41df | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 433 | return NULL; |
| 434 | |
| 435 | /* remove old RSL link for this TRX. */ |
| 436 | ipaccess_drop_rsl(trx); |
| 437 | |
| 438 | /* set new RSL link for this TRX. */ |
| 439 | line = bts->oml_link->ts->line; |
| 440 | ts = &line->ts[E1INP_SIGN_RSL + dev->trx_id - 1]; |
| 441 | e1inp_ts_config_sign(ts, line); |
| 442 | sign_link = trx->rsl_link = |
| 443 | e1inp_sign_link_create(ts, E1INP_SIGN_RSL, |
| 444 | trx, trx->rsl_tei, 0); |
| 445 | trx->rsl_link->ts->sign.delay = 0; |
| 446 | break; |
| 447 | } |
| 448 | default: |
| 449 | break; |
| 450 | } |
| 451 | return sign_link; |
| 452 | } |
| 453 | |
| 454 | static void ipaccess_sign_link_down(struct e1inp_line *line) |
| 455 | { |
| 456 | /* No matter what link went down, we close both signal links. */ |
| 457 | struct e1inp_ts *ts = &line->ts[E1INP_SIGN_OML-1]; |
| 458 | struct e1inp_sign_link *link; |
| 459 | |
| 460 | llist_for_each_entry(link, &ts->sign.sign_links, list) { |
| 461 | struct gsm_bts *bts = link->trx->bts; |
| 462 | |
| 463 | ipaccess_drop_oml(bts); |
| 464 | /* Yes, we only use the first element of the list. */ |
| 465 | break; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | /* This function is called if we receive one OML/RSL message. */ |
| 470 | static int ipaccess_sign_link(struct msgb *msg) |
| 471 | { |
| 472 | int ret = 0; |
| 473 | struct e1inp_sign_link *link = msg->dst; |
| 474 | struct e1inp_ts *e1i_ts = link->ts; |
| 475 | |
| 476 | switch (link->type) { |
| 477 | case E1INP_SIGN_RSL: |
| 478 | if (!(link->trx->bts->ip_access.flags & |
| 479 | (RSL_UP << link->trx->nr))) { |
| 480 | e1inp_event(e1i_ts, S_L_INP_TEI_UP, |
| 481 | link->tei, link->sapi); |
| 482 | link->trx->bts->ip_access.flags |= |
| 483 | (RSL_UP << link->trx->nr); |
| 484 | } |
| 485 | ret = abis_rsl_rcvmsg(msg); |
| 486 | break; |
| 487 | case E1INP_SIGN_OML: |
| 488 | if (!(link->trx->bts->ip_access.flags & OML_UP)) { |
| 489 | e1inp_event(e1i_ts, S_L_INP_TEI_UP, |
| 490 | link->tei, link->sapi); |
| 491 | link->trx->bts->ip_access.flags |= OML_UP; |
| 492 | } |
| 493 | ret = abis_nm_rcvmsg(msg); |
| 494 | break; |
| 495 | default: |
| 496 | LOGP(DLINP, LOGL_ERROR, "Unknown signal link type %d\n", |
| 497 | link->type); |
| 498 | msgb_free(msg); |
| 499 | break; |
| 500 | } |
| 501 | return ret; |
| 502 | } |
| 503 | |
| 504 | /* not static, ipaccess-config needs it. */ |
| 505 | struct e1inp_line_ops ipaccess_e1inp_line_ops = { |
| 506 | .cfg = { |
| 507 | .ipa = { |
| 508 | .addr = "0.0.0.0", |
| 509 | .role = E1INP_LINE_R_BSC, |
| 510 | }, |
| 511 | }, |
| 512 | .sign_link_up = ipaccess_sign_link_up, |
| 513 | .sign_link_down = ipaccess_sign_link_down, |
| 514 | .sign_link = ipaccess_sign_link, |
| 515 | }; |
| 516 | |
| 517 | static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line) |
| 518 | { |
| 519 | e1inp_line_bind_ops(line, &ipaccess_e1inp_line_ops); |
| 520 | } |