diff options
Diffstat (limited to 'openbsc/src/libbsc/bts_hsl_femtocell.c')
-rw-r--r-- | openbsc/src/libbsc/bts_hsl_femtocell.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/openbsc/src/libbsc/bts_hsl_femtocell.c b/openbsc/src/libbsc/bts_hsl_femtocell.c deleted file mode 100644 index 1ce3eaaa1..000000000 --- a/openbsc/src/libbsc/bts_hsl_femtocell.c +++ /dev/null @@ -1,309 +0,0 @@ -/* OpenBSC support code for HSL Femtocell */ - -/* (C) 2011 by Harald Welte <laforge@gnumonks.org> - * (C) 2011 by OnWaves - * - * 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 <inttypes.h> - -#include <arpa/inet.h> - -#include <osmocom/gsm/tlv.h> -#include <openbsc/gsm_data.h> -#include <openbsc/abis_nm.h> -#include <openbsc/abis_rsl.h> -#include <openbsc/signal.h> -#include <openbsc/debug.h> -#include <osmocom/core/logging.h> -#include <osmocom/abis/e1_input.h> -#include <osmocom/abis/ipaccess.h> - -static int bts_model_hslfemto_start(struct gsm_network *net); -static void bts_model_hslfemto_e1line_bind_ops(struct e1inp_line *line); - -static struct gsm_bts_model model_hslfemto = { - .type = GSM_BTS_TYPE_HSL_FEMTO, - .start = bts_model_hslfemto_start, - .e1line_bind_ops = &bts_model_hslfemto_e1line_bind_ops, - .nm_att_tlvdef = { - .def = { - /* no HSL specific OML attributes that we know of */ - }, - }, -}; - - -static const uint8_t l1_msg[] = { -#ifdef HSL_SR_1_0 - 0x80, 0x8a, -#else - 0x81, 0x8a, -#endif - 0xC4, 0x0b, -}; - -static const uint8_t conn_trau_msg[] = { -#ifdef HSL_SR_1_0 - 0x80, 0x81, -#else - 0x81, 0x81, -#endif - 0xC1, 16, - 0x02, 0x00, 0x00, 0x00, 0xC0, 0xA8, 0xEA, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static const uint8_t conn_trau_msg2[] = { -#ifdef HSL_SR_1_0 - 0x80, 0x81, -#else - 0x81, 0x81, -#endif - 0xC1, 16, - 0x02, 0x00, 0xd4, 0x07, 0xC0, 0xA8, 0xEA, 0x01, - 0x38, 0xA4, 0x45, 0x00, 0x04, 0x59, 0x40, 0x00 -}; - -static uint8_t oml_arfcn_bsic[] = { -#ifdef HSL_SR_1_0 - 0x81, 0x80, 0x00, 10, -#else - 0x80, 0x80, 0x00, 10, -#endif - NM_MT_SET_BTS_ATTR, NM_OC_BTS, 0xff, 0xff, 0xff, - NM_ATT_BCCH_ARFCN, 0x03, 0x67, - NM_ATT_BSIC, 0x00 -}; - -static inline struct msgb *hsl_alloc_msgb(void) -{ - return msgb_alloc_headroom(1024, 127, "HSL"); -} - -static int hslfemto_bootstrap_om(struct gsm_bts *bts) -{ - struct msgb *msg; - - msg = hsl_alloc_msgb(); - msgb_put(msg, sizeof(l1_msg)); - memcpy(msg->data, l1_msg, sizeof(l1_msg)); - msg->dst = bts->c0->rsl_link; - abis_rsl_sendmsg(msg); - -#if 1 - msg = hsl_alloc_msgb(); - msgb_put(msg, sizeof(conn_trau_msg)); - memcpy(msg->data, conn_trau_msg, sizeof(conn_trau_msg)); - msg->dst = bts->c0->rsl_link; - abis_rsl_sendmsg(msg); -#endif - msg = hsl_alloc_msgb(); - msgb_put(msg, sizeof(conn_trau_msg2)); - memcpy(msg->data, conn_trau_msg2, sizeof(conn_trau_msg2)); - msg->dst = bts->c0->rsl_link; - abis_rsl_sendmsg(msg); - - *((uint16_t *)oml_arfcn_bsic+10) = htons(bts->c0->arfcn); - oml_arfcn_bsic[13] = bts->bsic; - - msg = hsl_alloc_msgb(); - msgb_put(msg, sizeof(oml_arfcn_bsic)); - memcpy(msg->data, oml_arfcn_bsic, sizeof(oml_arfcn_bsic)); - msg->dst = bts->c0->rsl_link; - abis_sendmsg(msg); - - /* Delay the OPSTART until after SI have been set via RSL */ - //abis_nm_opstart(bts, NM_OC_BTS, 255, 255, 255); - - return 0; -} - -/* Callback function to be called every time we receive a signal from INPUT */ -static int inp_sig_cb(unsigned int subsys, unsigned int signal, - void *handler_data, void *signal_data) -{ - struct input_signal_data *isd = signal_data; - - if (subsys != SS_L_INPUT) - return 0; - - switch (signal) { - case S_L_INP_TEI_UP: - switch (isd->link_type) { - case E1INP_SIGN_OML: - if (isd->trx->bts->type == GSM_BTS_TYPE_HSL_FEMTO) - hslfemto_bootstrap_om(isd->trx->bts); - break; - } - } - - return 0; -} - -static struct gsm_network *hsl_gsmnet; - -static int bts_model_hslfemto_start(struct gsm_network *net) -{ - model_hslfemto.features.data = &model_hslfemto._features_data[0]; - model_hslfemto.features.data_len = sizeof(model_hslfemto._features_data); - - gsm_btsmodel_set_feature(&model_hslfemto, BTS_FEAT_GPRS); - gsm_btsmodel_set_feature(&model_hslfemto, BTS_FEAT_EGPRS); - - osmo_signal_register_handler(SS_L_INPUT, inp_sig_cb, NULL); - - hsl_gsmnet = net; - return 0; -} - -int bts_model_hslfemto_init(void) -{ - return gsm_bts_model_register(&model_hslfemto); -} - -#define OML_UP 0x0001 -#define RSL_UP 0x0002 - -struct gsm_bts *find_bts_by_serno(struct gsm_network *net, uint64_t serno) -{ - struct gsm_bts *bts; - - llist_for_each_entry(bts, &net->bts_list, list) { - if (bts->type != GSM_BTS_TYPE_HSL_FEMTO) - continue; - - if (serno == bts->hsl.serno) - return bts; - } - return NULL; -} - -/* This function is called once the OML/RSL link becomes up. */ -static struct e1inp_sign_link * -hsl_sign_link_up(void *unit_data, struct e1inp_line *line, - enum e1inp_sign_type type) -{ - struct hsl_unit *dev = unit_data; - struct gsm_bts *bts; - - bts = find_bts_by_serno(hsl_gsmnet, dev->serno); - if (!bts) { - LOGP(DLINP, LOGL_ERROR, "Unable to find BTS config for " - "serial number %"PRIx64"\n", dev->serno); - return NULL; - } - DEBUGP(DLINP, "Identified HSL BTS Serial Number %"PRIx64"\n", dev->serno); - - /* we shouldn't hardcode it, but HSL femto also hardcodes it... */ - bts->oml_tei = 255; - bts->c0->rsl_tei = 0; - bts->oml_link = e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML-1], - E1INP_SIGN_OML, bts->c0, - bts->oml_tei, 0); - bts->c0->rsl_link = e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML-1], - E1INP_SIGN_RSL, bts->c0, - bts->c0->rsl_tei, 0); - e1inp_event(&line->ts[E1INP_SIGN_OML-1], S_L_INP_TEI_UP, 255, 0); - e1inp_event(&line->ts[E1INP_SIGN_OML-1], S_L_INP_TEI_UP, 0, 0); - bts->ip_access.flags |= OML_UP; - bts->ip_access.flags |= (RSL_UP << 0); - - return bts->oml_link; -} - -void hsl_drop_oml(struct gsm_bts *bts) -{ - if (!bts->oml_link) - return; - - e1inp_sign_link_destroy(bts->oml_link); - bts->oml_link = NULL; - - e1inp_sign_link_destroy(bts->c0->rsl_link); - bts->c0->rsl_link = NULL; - - bts->ip_access.flags = 0; -} - -static void hsl_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; - - hsl_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 hsl_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_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; - 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; - default: - LOGP(DLINP, LOGL_ERROR, "Unknown signal link type %d\n", - link->type); - msgb_free(msg); - break; - } - return ret; -} - -static struct e1inp_line_ops hsl_e1inp_line_ops = { - .cfg = { - .ipa = { - .addr = "0.0.0.0", - .role = E1INP_LINE_R_BSC, - }, - }, - .sign_link_up = hsl_sign_link_up, - .sign_link_down = hsl_sign_link_down, - .sign_link = hsl_sign_link, -}; - -static void bts_model_hslfemto_e1line_bind_ops(struct e1inp_line *line) -{ - e1inp_line_bind_ops(line, &hsl_e1inp_line_ops); -} |