| /* 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 <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/e1_input.h> |
| |
| static struct gsm_bts_model model_hslfemto = { |
| .type = GSM_BTS_TYPE_HSL_FEMTO, |
| .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; |
| uint8_t *cur; |
| |
| msg = hsl_alloc_msgb(); |
| cur = msgb_put(msg, sizeof(l1_msg)); |
| memcpy(msg->data, l1_msg, sizeof(l1_msg)); |
| msg->trx = bts->c0; |
| abis_rsl_sendmsg(msg); |
| |
| #if 1 |
| msg = hsl_alloc_msgb(); |
| cur = msgb_put(msg, sizeof(conn_trau_msg)); |
| memcpy(msg->data, conn_trau_msg, sizeof(conn_trau_msg)); |
| msg->trx = bts->c0; |
| abis_rsl_sendmsg(msg); |
| #endif |
| msg = hsl_alloc_msgb(); |
| cur = msgb_put(msg, sizeof(conn_trau_msg2)); |
| memcpy(msg->data, conn_trau_msg2, sizeof(conn_trau_msg2)); |
| msg->trx = bts->c0; |
| abis_rsl_sendmsg(msg); |
| |
| *((uint16_t *)oml_arfcn_bsic+10) = htons(bts->c0->arfcn); |
| oml_arfcn_bsic[13] = bts->bsic; |
| |
| msg = hsl_alloc_msgb(); |
| cur = msgb_put(msg, sizeof(oml_arfcn_bsic)); |
| memcpy(msg->data, oml_arfcn_bsic, sizeof(oml_arfcn_bsic)); |
| msg->trx = bts->c0; |
| _abis_nm_sendmsg(msg, 0); |
| |
| /* 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_INPUT) |
| return 0; |
| |
| switch (signal) { |
| case S_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; |
| } |
| |
| int bts_model_hslfemto_init(void) |
| { |
| 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); |
| |
| register_signal_handler(SS_INPUT, inp_sig_cb, NULL); |
| |
| return gsm_bts_model_register(&model_hslfemto); |
| } |