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-rw-r--r--src/libbsc/bts_ipaccess_nanobts.c447
1 files changed, 447 insertions, 0 deletions
diff --git a/src/libbsc/bts_ipaccess_nanobts.c b/src/libbsc/bts_ipaccess_nanobts.c
new file mode 100644
index 00000000..25dc0c8a
--- /dev/null
+++ b/src/libbsc/bts_ipaccess_nanobts.c
@@ -0,0 +1,447 @@
+/* ip.access nanoBTS specific code */
+
+/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <sys/types.h>
+#include <arpa/inet.h>
+
+#include <osmocore/tlv.h>
+
+#include <openbsc/gsm_data.h>
+#include <openbsc/signal.h>
+#include <openbsc/abis_nm.h>
+
+static struct gsm_bts_model model_nanobts = {
+ .type = GSM_BTS_TYPE_NANOBTS,
+ .name = "nanobts",
+ .oml_rcvmsg = &abis_nm_rcvmsg,
+ .nm_att_tlvdef = {
+ .def = {
+ /* ip.access specifics */
+ [NM_ATT_IPACC_DST_IP] = { TLV_TYPE_FIXED, 4 },
+ [NM_ATT_IPACC_DST_IP_PORT] = { TLV_TYPE_FIXED, 2 },
+ [NM_ATT_IPACC_STREAM_ID] = { TLV_TYPE_TV, },
+ [NM_ATT_IPACC_SEC_OML_CFG] = { TLV_TYPE_FIXED, 6 },
+ [NM_ATT_IPACC_IP_IF_CFG] = { TLV_TYPE_FIXED, 8 },
+ [NM_ATT_IPACC_IP_GW_CFG] = { TLV_TYPE_FIXED, 12 },
+ [NM_ATT_IPACC_IN_SERV_TIME] = { TLV_TYPE_FIXED, 4 },
+ [NM_ATT_IPACC_LOCATION] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_PAGING_CFG] = { TLV_TYPE_FIXED, 2 },
+ [NM_ATT_IPACC_UNIT_ID] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_UNIT_NAME] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_SNMP_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_PRIM_OML_CFG_LIST] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_NV_FLAGS] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_FREQ_CTRL] = { TLV_TYPE_FIXED, 2 },
+ [NM_ATT_IPACC_PRIM_OML_FB_TOUT] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_CUR_SW_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_TIMING_BUS] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_CGI] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_RAC] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_OBJ_VERSION] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_GPRS_PAGING_CFG]= { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_NSEI] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_BVCI] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_NSVCI] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_NS_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_BSSGP_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_NS_LINK_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_RLC_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_ALM_THRESH_LIST]= { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_MONIT_VAL_LIST] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_TIB_CONTROL] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_SUPP_FEATURES] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_CODING_SCHEMES] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_RLC_CFG_2] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_HEARTB_TOUT] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_UPTIME] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_RLC_CFG_3] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_SSL_CFG] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_SEC_POSSIBLE] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_IML_SSL_STATE] = { TLV_TYPE_TL16V },
+ [NM_ATT_IPACC_REVOC_DATE] = { TLV_TYPE_TL16V },
+ },
+ },
+};
+
+static unsigned char nanobts_attr_bts[] = {
+ NM_ATT_INTERF_BOUND, 0x55, 0x5b, 0x61, 0x67, 0x6d, 0x73,
+ /* interference avg. period in numbers of SACCH multifr */
+ NM_ATT_INTAVE_PARAM, 0x06,
+ /* conn fail based on SACCH error rate */
+ NM_ATT_CONN_FAIL_CRIT, 0x00, 0x02, 0x01, 0x10,
+ NM_ATT_T200, 0x1e, 0x24, 0x24, 0xa8, 0x34, 0x21, 0xa8,
+ NM_ATT_MAX_TA, 0x3f,
+ NM_ATT_OVERL_PERIOD, 0x00, 0x01, 10, /* seconds */
+ NM_ATT_CCCH_L_T, 10, /* percent */
+ NM_ATT_CCCH_L_I_P, 1, /* seconds */
+ NM_ATT_RACH_B_THRESH, 10, /* busy threshold in - dBm */
+ NM_ATT_LDAVG_SLOTS, 0x03, 0xe8, /* rach load averaging 1000 slots */
+ NM_ATT_BTS_AIR_TIMER, 128, /* miliseconds */
+ NM_ATT_NY1, 10, /* 10 retransmissions of physical config */
+ NM_ATT_BCCH_ARFCN, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
+ NM_ATT_BSIC, HARDCODED_BSIC,
+ NM_ATT_IPACC_CGI, 0, 7, 0x00, 0xf1, 0x10, 0x00, 0x01, 0x00, 0x00,
+};
+
+static unsigned char nanobts_attr_radio[] = {
+ NM_ATT_RF_MAXPOWR_R, 0x0c, /* number of -2dB reduction steps / Pn */
+ NM_ATT_ARFCN_LIST, 0x00, 0x02, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
+};
+
+static unsigned char nanobts_attr_nse[] = {
+ NM_ATT_IPACC_NSEI, 0, 2, 0x03, 0x9d, /* NSEI 925 */
+ NM_ATT_IPACC_NS_CFG, 0, 7, 3, /* (un)blocking timer (Tns-block) */
+ 3, /* (un)blocking retries */
+ 3, /* reset timer (Tns-reset) */
+ 3, /* reset retries */
+ 30, /* test timer (Tns-test) */
+ 3, /* alive timer (Tns-alive) */
+ 10, /* alive retrires */
+ NM_ATT_IPACC_BSSGP_CFG, 0, 11,
+ 3, /* blockimg timer (T1) */
+ 3, /* blocking retries */
+ 3, /* unblocking retries */
+ 3, /* reset timer */
+ 3, /* reset retries */
+ 10, /* suspend timer (T3) in 100ms */
+ 3, /* suspend retries */
+ 10, /* resume timer (T4) in 100ms */
+ 3, /* resume retries */
+ 10, /* capability update timer (T5) */
+ 3, /* capability update retries */
+};
+
+static unsigned char nanobts_attr_cell[] = {
+ NM_ATT_IPACC_RAC, 0, 1, 1, /* routing area code */
+ NM_ATT_IPACC_GPRS_PAGING_CFG, 0, 2,
+ 5, /* repeat time (50ms) */
+ 3, /* repeat count */
+ NM_ATT_IPACC_BVCI, 0, 2, 0x03, 0x9d, /* BVCI 925 */
+ NM_ATT_IPACC_RLC_CFG, 0, 9,
+ 20, /* T3142 */
+ 5, /* T3169 */
+ 5, /* T3191 */
+ 200, /* T3193 */
+ 5, /* T3195 */
+ 10, /* N3101 */
+ 4, /* N3103 */
+ 8, /* N3105 */
+ 15, /* RLC CV countdown */
+ NM_ATT_IPACC_CODING_SCHEMES, 0, 2, 0x0f, 0x00, /* CS1..CS4 */
+ NM_ATT_IPACC_RLC_CFG_2, 0, 5,
+ 0x00, 250, /* T downlink TBF extension (0..500) */
+ 0x00, 250, /* T uplink TBF extension (0..500) */
+ 2, /* CS2 */
+#if 0
+ /* EDGE model only, breaks older models.
+ * Should inquire the BTS capabilities */
+ NM_ATT_IPACC_RLC_CFG_3, 0, 1,
+ 2, /* MCS2 */
+#endif
+};
+
+static unsigned char nanobts_attr_nsvc0[] = {
+ NM_ATT_IPACC_NSVCI, 0, 2, 0x03, 0x9d, /* 925 */
+ NM_ATT_IPACC_NS_LINK_CFG, 0, 8,
+ 0x59, 0xd8, /* remote udp port (23000) */
+ 192, 168, 100, 11, /* remote ip address */
+ 0x59, 0xd8, /* local udp port (23000) */
+};
+
+static void patch_16(uint8_t *data, const uint16_t val)
+{
+ memcpy(data, &val, sizeof(val));
+}
+
+static void patch_32(uint8_t *data, const uint32_t val)
+{
+ memcpy(data, &val, sizeof(val));
+}
+
+/*
+ * Patch the various SYSTEM INFORMATION tables to update
+ * the LAI
+ */
+static void patch_nm_tables(struct gsm_bts *bts)
+{
+ u_int8_t arfcn_low = bts->c0->arfcn & 0xff;
+ u_int8_t arfcn_high = (bts->c0->arfcn >> 8) & 0x0f;
+
+ /* patch ARFCN into BTS Attributes */
+ nanobts_attr_bts[42] &= 0xf0;
+ nanobts_attr_bts[42] |= arfcn_high;
+ nanobts_attr_bts[43] = arfcn_low;
+
+ /* patch the RACH attributes */
+ if (bts->rach_b_thresh != -1) {
+ nanobts_attr_bts[33] = bts->rach_b_thresh & 0xff;
+ }
+
+ if (bts->rach_ldavg_slots != -1) {
+ u_int8_t avg_high = bts->rach_ldavg_slots & 0xff;
+ u_int8_t avg_low = (bts->rach_ldavg_slots >> 8) & 0x0f;
+
+ nanobts_attr_bts[35] = avg_high;
+ nanobts_attr_bts[36] = avg_low;
+ }
+
+ /* patch BSIC */
+ nanobts_attr_bts[sizeof(nanobts_attr_bts)-11] = bts->bsic;
+
+ /* patch CGI */
+ abis_nm_ipaccess_cgi(nanobts_attr_bts+sizeof(nanobts_attr_bts)-7, bts);
+
+ /* patch the power reduction */
+ nanobts_attr_radio[1] = bts->c0->max_power_red / 2;
+
+ /* patch NSEI */
+ nanobts_attr_nse[3] = bts->gprs.nse.nsei >> 8;
+ nanobts_attr_nse[4] = bts->gprs.nse.nsei & 0xff;
+ memcpy(nanobts_attr_nse+8, bts->gprs.nse.timer,
+ ARRAY_SIZE(bts->gprs.nse.timer));
+ memcpy(nanobts_attr_nse+18, bts->gprs.cell.timer,
+ ARRAY_SIZE(bts->gprs.cell.timer));
+
+ /* patch NSVCI */
+ nanobts_attr_nsvc0[3] = bts->gprs.nsvc[0].nsvci >> 8;
+ nanobts_attr_nsvc0[4] = bts->gprs.nsvc[0].nsvci & 0xff;
+
+ /* patch IP address as SGSN IP */
+ patch_16(nanobts_attr_nsvc0 + 8,
+ htons(bts->gprs.nsvc[0].remote_port));
+ patch_32(nanobts_attr_nsvc0 + 10,
+ htonl(bts->gprs.nsvc[0].remote_ip));
+ patch_16(nanobts_attr_nsvc0 + 14,
+ htons(bts->gprs.nsvc[0].local_port));
+
+ /* patch BVCI */
+ nanobts_attr_cell[12] = bts->gprs.cell.bvci >> 8;
+ nanobts_attr_cell[13] = bts->gprs.cell.bvci & 0xff;
+ /* patch RAC */
+ nanobts_attr_cell[3] = bts->gprs.rac;
+
+ if (bts->gprs.mode == BTS_GPRS_EGPRS) {
+ /* patch EGPRS coding schemes MCS 1..9 */
+ nanobts_attr_cell[29] = 0x8f;
+ nanobts_attr_cell[30] = 0xff;
+ }
+}
+
+
+/* Callback function to be called whenever we get a GSM 12.21 state change event */
+static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd)
+{
+ u_int8_t obj_class = nsd->obj_class;
+ void *obj = nsd->obj;
+ struct gsm_nm_state *new_state = nsd->new_state;
+
+ struct gsm_bts *bts;
+ struct gsm_bts_trx *trx;
+ struct gsm_bts_trx_ts *ts;
+ struct gsm_bts_gprs_nsvc *nsvc;
+
+ /* This event-driven BTS setup is currently only required on nanoBTS */
+
+ /* S_NM_STATECHG_ADM is called after we call chg_adm_state() and would create
+ * endless loop */
+ if (evt != S_NM_STATECHG_OPER)
+ return 0;
+
+ switch (obj_class) {
+ case NM_OC_SITE_MANAGER:
+ bts = container_of(obj, struct gsm_bts, site_mgr);
+ if ((new_state->operational == NM_OPSTATE_ENABLED &&
+ new_state->availability == NM_AVSTATE_OK) ||
+ (new_state->operational == NM_OPSTATE_DISABLED &&
+ new_state->availability == NM_AVSTATE_OFF_LINE))
+ abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff);
+ break;
+ case NM_OC_BTS:
+ bts = obj;
+ if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
+ patch_nm_tables(bts);
+ abis_nm_set_bts_attr(bts, nanobts_attr_bts,
+ sizeof(nanobts_attr_bts));
+ abis_nm_chg_adm_state(bts, obj_class,
+ bts->bts_nr, 0xff, 0xff,
+ NM_STATE_UNLOCKED);
+ abis_nm_opstart(bts, obj_class,
+ bts->bts_nr, 0xff, 0xff);
+ }
+ break;
+ case NM_OC_CHANNEL:
+ ts = obj;
+ trx = ts->trx;
+ if (new_state->operational == NM_OPSTATE_DISABLED &&
+ new_state->availability == NM_AVSTATE_DEPENDENCY) {
+ patch_nm_tables(trx->bts);
+ enum abis_nm_chan_comb ccomb =
+ abis_nm_chcomb4pchan(ts->pchan);
+ abis_nm_set_channel_attr(ts, ccomb);
+ abis_nm_chg_adm_state(trx->bts, obj_class,
+ trx->bts->bts_nr, trx->nr, ts->nr,
+ NM_STATE_UNLOCKED);
+ abis_nm_opstart(trx->bts, obj_class,
+ trx->bts->bts_nr, trx->nr, ts->nr);
+ }
+ break;
+ case NM_OC_RADIO_CARRIER:
+ trx = obj;
+ if (new_state->operational == NM_OPSTATE_DISABLED &&
+ new_state->availability == NM_AVSTATE_OK)
+ abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr,
+ trx->nr, 0xff);
+ break;
+ case NM_OC_GPRS_NSE:
+ bts = container_of(obj, struct gsm_bts, gprs.nse);
+ if (bts->gprs.mode == BTS_GPRS_NONE)
+ break;
+ if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
+ abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
+ 0xff, 0xff, nanobts_attr_nse,
+ sizeof(nanobts_attr_nse));
+ abis_nm_opstart(bts, obj_class, bts->bts_nr,
+ 0xff, 0xff);
+ }
+ break;
+ case NM_OC_GPRS_CELL:
+ bts = container_of(obj, struct gsm_bts, gprs.cell);
+ if (bts->gprs.mode == BTS_GPRS_NONE)
+ break;
+ if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
+ abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
+ 0, 0xff, nanobts_attr_cell,
+ sizeof(nanobts_attr_cell));
+ abis_nm_opstart(bts, obj_class, bts->bts_nr,
+ 0, 0xff);
+ abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr,
+ 0, 0xff, NM_STATE_UNLOCKED);
+ abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr,
+ 0xff, 0xff, NM_STATE_UNLOCKED);
+ }
+ break;
+ case NM_OC_GPRS_NSVC:
+ nsvc = obj;
+ bts = nsvc->bts;
+ if (bts->gprs.mode == BTS_GPRS_NONE)
+ break;
+ /* We skip NSVC1 since we only use NSVC0 */
+ if (nsvc->id == 1)
+ break;
+ if (new_state->availability == NM_AVSTATE_OFF_LINE) {
+ abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
+ nsvc->id, 0xff,
+ nanobts_attr_nsvc0,
+ sizeof(nanobts_attr_nsvc0));
+ abis_nm_opstart(bts, obj_class, bts->bts_nr,
+ nsvc->id, 0xff);
+ abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr,
+ nsvc->id, 0xff,
+ NM_STATE_UNLOCKED);
+ }
+ default:
+ break;
+ }
+ return 0;
+}
+
+/* Callback function to be called every time we receive a 12.21 SW activated report */
+static int sw_activ_rep(struct msgb *mb)
+{
+ struct abis_om_fom_hdr *foh = msgb_l3(mb);
+ struct gsm_bts *bts = mb->trx->bts;
+ struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr);
+
+ if (!trx)
+ return -EINVAL;
+
+ if (trx->bts->type != GSM_BTS_TYPE_NANOBTS)
+ return 0;
+
+ switch (foh->obj_class) {
+ case NM_OC_BASEB_TRANSC:
+ abis_nm_chg_adm_state(trx->bts, foh->obj_class,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ NM_STATE_UNLOCKED);
+ abis_nm_opstart(trx->bts, foh->obj_class,
+ trx->bts->bts_nr, trx->nr, 0xff);
+ /* TRX software is active, tell it to initiate RSL Link */
+ abis_nm_ipaccess_rsl_connect(trx, 0, 3003, trx->rsl_tei);
+ break;
+ case NM_OC_RADIO_CARRIER: {
+ /*
+ * Locking the radio carrier will make it go
+ * offline again and we would come here. The
+ * framework should determine that there was
+ * no change and avoid recursion.
+ *
+ * This code is here to make sure that on start
+ * a TRX remains locked.
+ */
+ int rc_state = trx->nm_state.administrative;
+ /* Patch ARFCN into radio attribute */
+ nanobts_attr_radio[5] &= 0xf0;
+ nanobts_attr_radio[5] |= trx->arfcn >> 8;
+ nanobts_attr_radio[6] = trx->arfcn & 0xff;
+ abis_nm_set_radio_attr(trx, nanobts_attr_radio,
+ sizeof(nanobts_attr_radio));
+ abis_nm_chg_adm_state(trx->bts, foh->obj_class,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ rc_state);
+ abis_nm_opstart(trx->bts, foh->obj_class, trx->bts->bts_nr,
+ trx->nr, 0xff);
+ break;
+ }
+ }
+ return 0;
+}
+
+/* Callback function to be called every time we receive a signal from NM */
+static int nm_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ if (subsys != SS_NM)
+ return 0;
+
+ switch (signal) {
+ case S_NM_SW_ACTIV_REP:
+ return sw_activ_rep(signal_data);
+ case S_NM_STATECHG_OPER:
+ case S_NM_STATECHG_ADM:
+ return nm_statechg_event(signal, signal_data);
+ default:
+ break;
+ }
+ return 0;
+}
+
+int bts_model_nanobts_init(void)
+{
+ model_nanobts.features.data = &model_nanobts._features_data[0];
+ model_nanobts.features.data_len = sizeof(model_nanobts._features_data);
+
+ gsm_btsmodel_set_feature(&model_nanobts, BTS_FEAT_GPRS);
+ gsm_btsmodel_set_feature(&model_nanobts, BTS_FEAT_EGPRS);
+
+ register_signal_handler(SS_NM, nm_sig_cb, NULL);
+
+ return gsm_bts_model_register(&model_nanobts);
+}