diff options
Diffstat (limited to 'src/libbsc/bts_ipaccess_nanobts.c')
-rw-r--r-- | src/libbsc/bts_ipaccess_nanobts.c | 520 |
1 files changed, 0 insertions, 520 deletions
diff --git a/src/libbsc/bts_ipaccess_nanobts.c b/src/libbsc/bts_ipaccess_nanobts.c deleted file mode 100644 index a1bde778f..000000000 --- a/src/libbsc/bts_ipaccess_nanobts.c +++ /dev/null @@ -1,520 +0,0 @@ -/* 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 <arpa/inet.h> - -#include <osmocom/gsm/tlv.h> - -#include <openbsc/gsm_data.h> -#include <openbsc/signal.h> -#include <openbsc/abis_nm.h> -#include <osmocom/abis/e1_input.h> -#include <osmocom/gsm/tlv.h> -#include <osmocom/core/msgb.h> -#include <osmocom/core/talloc.h> -#include <openbsc/gsm_data.h> -#include <openbsc/abis_nm.h> -#include <openbsc/abis_rsl.h> -#include <openbsc/debug.h> -#include <osmocom/abis/subchan_demux.h> -#include <osmocom/gsm/ipa.h> -#include <osmocom/abis/ipaccess.h> -#include <osmocom/core/logging.h> -#include <openbsc/ipaccess.h> -#include <openbsc/bts_ipaccess_nanobts_omlattr.h> - -extern struct gsm_network *bsc_gsmnet; - -static int bts_model_nanobts_start(struct gsm_network *net); -static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line); - -struct gsm_bts_model bts_model_nanobts = { - .type = GSM_BTS_TYPE_NANOBTS, - .name = "nanobts", - .start = bts_model_nanobts_start, - .oml_rcvmsg = &abis_nm_rcvmsg, - .e1line_bind_ops = bts_model_nanobts_e1line_bind_ops, - .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 }, - }, - }, -}; - - -/* 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) -{ - uint8_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; - - struct msgb *msgb; - - if (!is_ipaccess_bts(nsd->bts)) - return 0; - - /* 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) { - msgb = nanobts_attr_bts_get(bts); - abis_nm_set_bts_attr(bts, msgb->data, msgb->len); - msgb_free(msgb); - 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) { - enum abis_nm_chan_comb ccomb = - abis_nm_chcomb4pchan(ts->pchan); - if (abis_nm_set_channel_attr(ts, ccomb) == -EINVAL) { - ipaccess_drop_oml(trx->bts); - return -1; - } - 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); - } - if (new_state->operational == NM_OPSTATE_ENABLED - && new_state->availability == NM_AVSTATE_OK) - dyn_ts_init(ts); - 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) { - msgb = nanobts_attr_nse_get(bts); - abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, - 0xff, 0xff, msgb->data, - msgb->len); - msgb_free(msgb); - 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) { - msgb = nanobts_attr_cell_get(bts); - abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, - 0, 0xff, msgb->data, - msgb->len); - msgb_free(msgb); - 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) || - (new_state->availability == NM_AVSTATE_DEPENDENCY)) { - msgb = nanobts_attr_nscv_get(bts); - abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, - nsvc->id, 0xff, - msgb->data, msgb->len); - msgb_free(msgb); - 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 e1inp_sign_link *sign_link = mb->dst; - struct gsm_bts *bts = sign_link->trx->bts; - struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr); - - if (!trx) - return -EINVAL; - - if (!is_ipaccess_bts(trx->bts)) - 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, trx->bts->ip_access.rsl_ip, - 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->mo.nm_state.administrative; - /* Patch ARFCN into radio attribute */ - struct msgb *msgb = nanobts_attr_radio_get(trx->bts, trx); - abis_nm_set_radio_attr(trx, msgb->data, msgb->len); - msgb_free(msgb); - 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 bts_ipa_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; -} - -static int bts_model_nanobts_start(struct gsm_network *net) -{ - osmo_signal_unregister_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); - osmo_signal_register_handler(SS_NM, bts_ipa_nm_sig_cb, NULL); - return 0; -} - -int bts_model_nanobts_init(void) -{ - bts_model_nanobts.features.data = &bts_model_nanobts._features_data[0]; - bts_model_nanobts.features.data_len = - sizeof(bts_model_nanobts._features_data); - - gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_GPRS); - gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_EGPRS); - gsm_btsmodel_set_feature(&bts_model_nanobts, BTS_FEAT_MULTI_TSC); - - return gsm_bts_model_register(&bts_model_nanobts); -} - -#define OML_UP 0x0001 -#define RSL_UP 0x0002 - -static struct gsm_bts * -find_bts_by_unitid(struct gsm_network *net, uint16_t site_id, uint16_t bts_id) -{ - struct gsm_bts *bts; - - llist_for_each_entry(bts, &net->bts_list, list) { - if (!is_ipaccess_bts(bts)) - continue; - - if (bts->ip_access.site_id == site_id && - bts->ip_access.bts_id == bts_id) - return bts; - } - return NULL; -} - -/* These are exported because they are used by the VTY interface. */ -void ipaccess_drop_rsl(struct gsm_bts_trx *trx) -{ - if (!trx->rsl_link) - return; - - e1inp_sign_link_destroy(trx->rsl_link); - trx->rsl_link = NULL; -} - -void ipaccess_drop_oml(struct gsm_bts *bts) -{ - struct gsm_bts *rdep_bts; - struct gsm_bts_trx *trx; - - if (!bts->oml_link) - return; - - e1inp_sign_link_destroy(bts->oml_link); - bts->oml_link = NULL; - - /* we have issues reconnecting RSL, drop everything. */ - llist_for_each_entry(trx, &bts->trx_list, list) - ipaccess_drop_rsl(trx); - - bts->ip_access.flags = 0; - - /* - * Go through the list and see if we are the depndency of a BTS - * and then drop the BTS. This can lead to some recursion but it - * should be fine in userspace. - * The oml_link is serving as recursion anchor for us and - * it is set to NULL some lines above. - */ - llist_for_each_entry(rdep_bts, &bts->network->bts_list, list) { - if (!bts_depend_is_depedency(rdep_bts, bts)) - continue; - LOGP(DLINP, LOGL_NOTICE, "Dropping BTS(%u) due BTS(%u).\n", - rdep_bts->nr, bts->nr); - ipaccess_drop_oml(rdep_bts); - } -} - -/* This function is called once the OML/RSL link becomes up. */ -static struct e1inp_sign_link * -ipaccess_sign_link_up(void *unit_data, struct e1inp_line *line, - enum e1inp_sign_type type) -{ - struct gsm_bts *bts; - struct ipaccess_unit *dev = unit_data; - struct e1inp_sign_link *sign_link = NULL; - - bts = find_bts_by_unitid(bsc_gsmnet, dev->site_id, dev->bts_id); - if (!bts) { - LOGP(DLINP, LOGL_ERROR, "Unable to find BTS configuration for " - " %u/%u/%u, disconnecting\n", dev->site_id, - dev->bts_id, dev->trx_id); - return NULL; - } - DEBUGP(DLINP, "Identified BTS %u/%u/%u\n", - dev->site_id, dev->bts_id, dev->trx_id); - - switch(type) { - case E1INP_SIGN_OML: - /* remove old OML signal link for this BTS. */ - ipaccess_drop_oml(bts); - - if (!bts_depend_check(bts)) { - LOGP(DLINP, LOGL_NOTICE, - "Dependency not full-filled for %u/%u/%u\n", - dev->site_id, dev->bts_id, dev->trx_id); - return NULL; - } - - /* create new OML link. */ - sign_link = bts->oml_link = - e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML - 1], - E1INP_SIGN_OML, bts->c0, - bts->oml_tei, 0); - break; - case E1INP_SIGN_RSL: { - struct e1inp_ts *ts; - struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, dev->trx_id); - - /* no OML link set yet? give up. */ - if (!bts->oml_link || !trx) - return NULL; - - /* remove old RSL link for this TRX. */ - ipaccess_drop_rsl(trx); - - /* set new RSL link for this TRX. */ - line = bts->oml_link->ts->line; - ts = &line->ts[E1INP_SIGN_RSL + dev->trx_id - 1]; - e1inp_ts_config_sign(ts, line); - sign_link = trx->rsl_link = - e1inp_sign_link_create(ts, E1INP_SIGN_RSL, - trx, trx->rsl_tei, 0); - trx->rsl_link->ts->sign.delay = 0; - break; - } - default: - break; - } - return sign_link; -} - -static void ipaccess_sign_link_down(struct e1inp_line *line) -{ - /* No matter what link went down, we close both signal links. */ - struct e1inp_ts *ts = &line->ts[E1INP_SIGN_OML-1]; - struct e1inp_sign_link *link; - - llist_for_each_entry(link, &ts->sign.sign_links, list) { - struct gsm_bts *bts = link->trx->bts; - - ipaccess_drop_oml(bts); - /* Yes, we only use the first element of the list. */ - break; - } -} - -/* This function is called if we receive one OML/RSL message. */ -static int ipaccess_sign_link(struct msgb *msg) -{ - int ret = 0; - struct e1inp_sign_link *link = msg->dst; - struct e1inp_ts *e1i_ts = link->ts; - - switch (link->type) { - case E1INP_SIGN_RSL: - if (!(link->trx->bts->ip_access.flags & - (RSL_UP << link->trx->nr))) { - e1inp_event(e1i_ts, S_L_INP_TEI_UP, - link->tei, link->sapi); - link->trx->bts->ip_access.flags |= - (RSL_UP << link->trx->nr); - } - ret = abis_rsl_rcvmsg(msg); - break; - case E1INP_SIGN_OML: - if (!(link->trx->bts->ip_access.flags & OML_UP)) { - e1inp_event(e1i_ts, S_L_INP_TEI_UP, - link->tei, link->sapi); - link->trx->bts->ip_access.flags |= OML_UP; - } - ret = abis_nm_rcvmsg(msg); - break; - default: - LOGP(DLINP, LOGL_ERROR, "Unknown signal link type %d\n", - link->type); - msgb_free(msg); - break; - } - return ret; -} - -/* not static, ipaccess-config needs it. */ -struct e1inp_line_ops ipaccess_e1inp_line_ops = { - .cfg = { - .ipa = { - .addr = "0.0.0.0", - .role = E1INP_LINE_R_BSC, - }, - }, - .sign_link_up = ipaccess_sign_link_up, - .sign_link_down = ipaccess_sign_link_down, - .sign_link = ipaccess_sign_link, -}; - -static void bts_model_nanobts_e1line_bind_ops(struct e1inp_line *line) -{ - e1inp_line_bind_ops(line, &ipaccess_e1inp_line_ops); -} |