diff options
Diffstat (limited to 'openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c')
| -rw-r--r-- | openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c b/openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c new file mode 100644 index 000000000..0291129d0 --- /dev/null +++ b/openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c @@ -0,0 +1,232 @@ +/* ip.access nanoBTS specific code, OML attribute table generator */ + +/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> + * All Rights Reserved + * + * Author: Philipp Maier + * + * 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/core/msgb.h> +#include <openbsc/gsm_data.h> +#include <openbsc/abis_nm.h> + +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)); +} + +struct msgb *nanobts_attr_bts_get(struct gsm_bts *bts) +{ + struct msgb *msgb; + uint8_t buf[256]; + msgb = msgb_alloc(1024, "nanobts_attr_bts"); + + memcpy(buf, "\x55\x5b\x61\x67\x6d\x73", 6); + msgb_tv_fixed_put(msgb, NM_ATT_INTERF_BOUND, 6, buf); + + /* interference avg. period in numbers of SACCH multifr */ + msgb_tv_put(msgb, NM_ATT_INTAVE_PARAM, 0x06); + + /* conn fail based on SACCH error rate */ + buf[0] = 0x01; + buf[1] = get_radio_link_timeout(&bts->si_common.cell_options); + msgb_tl16v_put(msgb, NM_ATT_CONN_FAIL_CRIT, 2, buf); + + memcpy(buf, "\x1e\x24\x24\xa8\x34\x21\xa8", 7); + msgb_tv_fixed_put(msgb, NM_ATT_T200, 7, buf); + + msgb_tv_put(msgb, NM_ATT_MAX_TA, 0x3f); + + /* seconds */ + memcpy(buf, "\x00\x01\x0a", 3); + msgb_tv_fixed_put(msgb, NM_ATT_OVERL_PERIOD, 3, buf); + + /* percent */ + msgb_tv_put(msgb, NM_ATT_CCCH_L_T, 10); + + /* seconds */ + msgb_tv_put(msgb, NM_ATT_CCCH_L_I_P, 1); + + /* busy threshold in - dBm */ + buf[0] = 10; + if (bts->rach_b_thresh != -1) + buf[0] = bts->rach_b_thresh & 0xff; + msgb_tv_put(msgb, NM_ATT_RACH_B_THRESH, buf[0]); + + /* rach load averaging 1000 slots */ + buf[0] = 0x03; + buf[1] = 0xe8; + if (bts->rach_ldavg_slots != -1) { + buf[0] = (bts->rach_ldavg_slots >> 8) & 0x0f; + buf[1] = bts->rach_ldavg_slots & 0xff; + } + msgb_tv_fixed_put(msgb, NM_ATT_LDAVG_SLOTS, 2, buf); + + /* miliseconds */ + msgb_tv_put(msgb, NM_ATT_BTS_AIR_TIMER, 128); + + /* 10 retransmissions of physical config */ + msgb_tv_put(msgb, NM_ATT_NY1, 10); + + buf[0] = (bts->c0->arfcn >> 8) & 0x0f; + buf[1] = bts->c0->arfcn & 0xff; + msgb_tv_fixed_put(msgb, NM_ATT_BCCH_ARFCN, 2, buf); + + msgb_tv_put(msgb, NM_ATT_BSIC, bts->bsic); + + abis_nm_ipaccess_cgi(buf, bts); + msgb_tl16v_put(msgb, NM_ATT_IPACC_CGI, 7, buf); + + return msgb; +} + +struct msgb *nanobts_attr_nse_get(struct gsm_bts *bts) +{ + struct msgb *msgb; + uint8_t buf[256]; + msgb = msgb_alloc(1024, "nanobts_attr_bts"); + + /* NSEI 925 */ + buf[0] = bts->gprs.nse.nsei >> 8; + buf[1] = bts->gprs.nse.nsei & 0xff; + msgb_tl16v_put(msgb, NM_ATT_IPACC_NSEI, 2, buf); + + /* all timers in seconds */ + OSMO_ASSERT(ARRAY_SIZE(bts->gprs.nse.timer) < sizeof(buf)); + memcpy(buf, bts->gprs.nse.timer, ARRAY_SIZE(bts->gprs.nse.timer)); + msgb_tl16v_put(msgb, NM_ATT_IPACC_NS_CFG, 7, buf); + + /* all timers in seconds */ + buf[0] = 3; /* blockimg timer (T1) */ + buf[1] = 3; /* blocking retries */ + buf[2] = 3; /* unblocking retries */ + buf[3] = 3; /* reset timer (T2) */ + buf[4] = 3; /* reset retries */ + buf[5] = 10; /* suspend timer (T3) in 100ms */ + buf[6] = 3; /* suspend retries */ + buf[7] = 10; /* resume timer (T4) in 100ms */ + buf[8] = 3; /* resume retries */ + buf[9] = 10; /* capability update timer (T5) */ + buf[10] = 3; /* capability update retries */ + + OSMO_ASSERT(ARRAY_SIZE(bts->gprs.cell.timer) < sizeof(buf)); + memcpy(buf, bts->gprs.cell.timer, ARRAY_SIZE(bts->gprs.cell.timer)); + msgb_tl16v_put(msgb, NM_ATT_IPACC_BSSGP_CFG, 11, buf); + + return msgb; +} + +struct msgb *nanobts_attr_cell_get(struct gsm_bts *bts) +{ + struct msgb *msgb; + uint8_t buf[256]; + msgb = msgb_alloc(1024, "nanobts_attr_bts"); + + /* routing area code */ + buf[0] = bts->gprs.rac; + msgb_tl16v_put(msgb, NM_ATT_IPACC_RAC, 1, buf); + + buf[0] = 5; /* repeat time (50ms) */ + buf[1] = 3; /* repeat count */ + msgb_tl16v_put(msgb, NM_ATT_IPACC_GPRS_PAGING_CFG, 2, buf); + + /* BVCI 925 */ + buf[0] = bts->gprs.cell.bvci >> 8; + buf[1] = bts->gprs.cell.bvci & 0xff; + msgb_tl16v_put(msgb, NM_ATT_IPACC_BVCI, 2, buf); + + /* all timers in seconds, unless otherwise stated */ + buf[0] = 20; /* T3142 */ + buf[1] = 5; /* T3169 */ + buf[2] = 5; /* T3191 */ + buf[3] = 160; /* T3193 (units of 10ms) */ + buf[4] = 5; /* T3195 */ + buf[5] = 10; /* N3101 */ + buf[6] = 4; /* N3103 */ + buf[7] = 8; /* N3105 */ + buf[8] = 15; /* RLC CV countdown */ + msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG, 9, buf); + + if (bts->gprs.mode == BTS_GPRS_EGPRS) { + buf[0] = 0x8f; + buf[1] = 0xff; + } else { + buf[0] = 0x0f; + buf[1] = 0x00; + } + msgb_tl16v_put(msgb, NM_ATT_IPACC_CODING_SCHEMES, 2, buf); + + buf[0] = 0; /* T downlink TBF extension (0..500, high byte) */ + buf[1] = 250; /* T downlink TBF extension (0..500, low byte) */ + buf[2] = 0; /* T uplink TBF extension (0..500, high byte) */ + buf[3] = 250; /* T uplink TBF extension (0..500, low byte) */ + buf[4] = 2; /* CS2 */ + msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG_2, 5, buf); + +#if 0 + /* EDGE model only, breaks older models. + * Should inquire the BTS capabilities */ + buf[0] = 2; /* MCS2 */ + msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG_3, 1, buf); +#endif + + return msgb; +} + +struct msgb *nanobts_attr_nscv_get(struct gsm_bts *bts) +{ + struct msgb *msgb; + uint8_t buf[256]; + msgb = msgb_alloc(1024, "nanobts_attr_bts"); + + /* 925 */ + buf[0] = bts->gprs.nsvc[0].nsvci >> 8; + buf[1] = bts->gprs.nsvc[0].nsvci & 0xff; + msgb_tl16v_put(msgb, NM_ATT_IPACC_NSVCI, 2, buf); + + /* remote udp port */ + patch_16(&buf[0], htons(bts->gprs.nsvc[0].remote_port)); + /* remote ip address */ + patch_32(&buf[2], htonl(bts->gprs.nsvc[0].remote_ip)); + /* local udp port */ + patch_16(&buf[6], htons(bts->gprs.nsvc[0].local_port)); + msgb_tl16v_put(msgb, NM_ATT_IPACC_NS_LINK_CFG, 8, buf); + + return msgb; +} + +struct msgb *nanobts_attr_radio_get(struct gsm_bts *bts, + struct gsm_bts_trx *trx) +{ + struct msgb *msgb; + uint8_t buf[256]; + msgb = msgb_alloc(1024, "nanobts_attr_bts"); + + /* number of -2dB reduction steps / Pn */ + msgb_tv_put(msgb, NM_ATT_RF_MAXPOWR_R, trx->max_power_red / 2); + + buf[0] = trx->arfcn >> 8; + buf[1] = trx->arfcn & 0xff; + msgb_tl16v_put(msgb, NM_ATT_ARFCN_LIST, 2, buf); + + return msgb; +} |