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osmo-bts/src/osmo-bts-sysmo/oml.c

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/* (C) 2011 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 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 <stdint.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
#include <sysmocom/femtobts/gsml1prim.h>
#include <sysmocom/femtobts/gsml1const.h>
#include <sysmocom/femtobts/gsml1types.h>
#include <osmo-bts/gsm_data.h>
#include <osmo-bts/logging.h>
#include <osmo-bts/oml.h>
#include "l1_if.h"
#include "femtobts.h"
static const enum GsmL1_LogChComb_t pchan_to_logChComb[_GSM_PCHAN_MAX] = {
[GSM_PCHAN_NONE] = GsmL1_LogChComb_0,
[GSM_PCHAN_CCCH] = GsmL1_LogChComb_IV,
[GSM_PCHAN_CCCH_SDCCH4] = GsmL1_LogChComb_V,
[GSM_PCHAN_TCH_F] = GsmL1_LogChComb_I,
[GSM_PCHAN_TCH_H] = GsmL1_LogChComb_II,
[GSM_PCHAN_SDCCH8_SACCH8C] = GsmL1_LogChComb_VII,
[GSM_PCHAN_PDCH] = GsmL1_LogChComb_XIII,
//[GSM_PCHAN_TCH_F_PDCH] = FIXME,
[GSM_PCHAN_UNKNOWN] = GsmL1_LogChComb_0,
};
static int band_osmo2femto(enum gsm_band osmo_band)
{
switch (osmo_band) {
case GSM_BAND_850:
return GsmL1_FreqBand_850;
case GSM_BAND_900:
return GsmL1_FreqBand_900;
case GSM_BAND_1800:
return GsmL1_FreqBand_1800;
case GSM_BAND_1900:
return GsmL1_FreqBand_1900;
default:
return -1;
}
}
static void *prim_init(GsmL1_Prim_t *prim, GsmL1_PrimId_t id, struct femtol1_hdl *gl1)
{
prim->id = id;
/* for some reason the hLayer1 field is not always at the same position
* in the GsmL1_Prim_t, so we have to have this ugly case statement here... */
switch (id) {
case GsmL1_PrimId_MphInitReq:
//prim->u.mphInitReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphCloseReq:
prim->u.mphCloseReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphConnectReq:
prim->u.mphConnectReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphDisconnectReq:
prim->u.mphDisconnectReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphActivateReq:
prim->u.mphActivateReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphDeactivateReq:
prim->u.mphDeactivateReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphConfigReq:
prim->u.mphConfigReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphMeasureReq:
prim->u.mphMeasureReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_MphInitCnf:
case GsmL1_PrimId_MphCloseCnf:
case GsmL1_PrimId_MphConnectCnf:
case GsmL1_PrimId_MphDisconnectCnf:
case GsmL1_PrimId_MphActivateCnf:
case GsmL1_PrimId_MphDeactivateCnf:
case GsmL1_PrimId_MphConfigCnf:
case GsmL1_PrimId_MphMeasureCnf:
break;
case GsmL1_PrimId_MphTimeInd:
break;
case GsmL1_PrimId_MphSyncInd:
break;
case GsmL1_PrimId_PhEmptyFrameReq:
prim->u.phEmptyFrameReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_PhDataReq:
prim->u.phDataReq.hLayer1 = gl1->hLayer1;
break;
case GsmL1_PrimId_PhConnectInd:
break;
case GsmL1_PrimId_PhReadyToSendInd:
break;
case GsmL1_PrimId_PhDataInd:
break;
case GsmL1_PrimId_PhRaInd:
break;
default:
LOGP(DL1C, LOGL_ERROR, "unknown L1 primitive %u\n", id);
break;
}
return &prim->u;
}
GsmL1_Status_t prim_status(GsmL1_Prim_t *prim)
{
/* for some reason the Status field is not always at the same position
* in the GsmL1_Prim_t, so we have to have this ugly case statement here... */
switch (prim->id) {
case GsmL1_PrimId_MphInitCnf:
return prim->u.mphInitCnf.status;
case GsmL1_PrimId_MphCloseCnf:
return prim->u.mphCloseCnf.status;
case GsmL1_PrimId_MphConnectCnf:
return prim->u.mphConnectCnf.status;
case GsmL1_PrimId_MphDisconnectCnf:
return prim->u.mphDisconnectCnf.status;
case GsmL1_PrimId_MphActivateCnf:
return prim->u.mphActivateCnf.status;
case GsmL1_PrimId_MphDeactivateCnf:
return prim->u.mphDeactivateCnf.status;
case GsmL1_PrimId_MphConfigCnf:
return prim->u.mphConfigCnf.status;
case GsmL1_PrimId_MphMeasureCnf:
return prim->u.mphMeasureCnf.status;
default:
break;
}
return GsmL1_Status_Success;
}
#if 0
static int compl_cb_send_oml_msg(struct msgb *l1_msg, void *data)
{
struct msgb *resp_msg = data;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
if (prim_status(l1p) != GsmL1_Status_Success) {
LOGP(DL1C, LOGL_ERROR, "Rx %s, status: %s\n",
get_value_string(femtobts_l1prim_names, l1p->id),
get_value_string(femtobts_l1status_names, cc->status));
return 0;
}
msgb_free(l1_msg);
return abis_nm_sendmsg(msg);
}
#endif
int lchan_activate(struct gsm_lchan *lchan);
static int opstart_compl_cb(struct msgb *l1_msg, void *data)
{
struct gsm_abis_mo *mo = data;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
GsmL1_Status_t status = prim_status(l1p);
if (status != GsmL1_Status_Success) {
LOGP(DL1C, LOGL_ERROR, "Rx %s, status: %s\n",
get_value_string(femtobts_l1prim_names, l1p->id),
get_value_string(femtobts_l1status_names, status));
return oml_mo_opstart_nack(mo, NM_NACK_CANT_PERFORM);
}
msgb_free(l1_msg);
/* Set to Operational State: Enabled */
oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
if (mo->obj_class == NM_OC_CHANNEL && mo->obj_inst.trx_nr == 0 &&
mo->obj_inst.ts_nr == 0) {
DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
lchan_activate(&mo->bts->c0->ts[0].lchan[4]);
}
/* Send OPSTART ack */
return oml_mo_opstart_ack(mo);
}
static int trx_init_compl_cb(struct msgb *l1_msg, void *data)
{
struct femtol1_hdl *fl1h = data;
struct gsm_bts_trx *trx = fl1h->priv;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
GsmL1_MphInitCnf_t *ic = &l1p->u.mphInitCnf;
LOGP(DL1C, LOGL_INFO, "Rx MPH-INIT.conf (status=%s)\n",
get_value_string(femtobts_l1status_names, ic->status));
/* store layer1 handle */
if (ic->status != GsmL1_Status_Success) {
LOGP(DL1C, LOGL_FATAL, "Rx MPH-INIT.conf status=%s\n",
get_value_string(femtobts_l1status_names, ic->status));
bts_shutdown(trx->bts, "MPH-INIT failure");
}
fl1h->hLayer1 = ic->hLayer1;
return opstart_compl_cb(l1_msg, &trx->mo);
}
int gsm_abis_mo_check_attr(const struct gsm_abis_mo *mo, uint8_t *attr_ids,
unsigned int num_attr_ids)
{
unsigned int i;
if (!mo->nm_attr)
return 0;
for (i = 0; i < num_attr_ids; i++) {
if (!TLVP_PRESENT(mo->nm_attr, attr_ids[i]))
return 0;
}
return 1;
}
static const uint8_t trx_rqd_attr[] = { NM_ATT_RF_MAXPOWR_R };
/* initialize the layer1 */
static int trx_init(struct gsm_bts_trx *trx)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(trx);
struct msgb *msg;
GsmL1_MphInitReq_t *mi_req;
GsmL1_DeviceParam_t *dev_par;
enum gsm_band osmo_band;
int femto_band;
if (!gsm_abis_mo_check_attr(&trx->mo, trx_rqd_attr,
ARRAY_SIZE(trx_rqd_attr))) {
/* HACK: spec says we need to decline, but openbsc
* doesn't deal with this very well */
return oml_mo_opstart_ack(&trx->mo);
//return oml_mo_opstart_nack(&trx->mo, NM_NACK_CANT_PERFORM);
}
osmo_band = gsm_arfcn2band(trx->arfcn);
femto_band = band_osmo2femto(osmo_band);
if (femto_band < 0) {
LOGP(DL1C, LOGL_ERROR, "Unsupported GSM band %s\n",
gsm_band_name(osmo_band));
}
msg = l1p_msgb_alloc();
mi_req = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphInitReq, fl1h);
dev_par = &mi_req->deviceParam;
dev_par->devType = GsmL1_DevType_TxdRxu;
dev_par->freqBand = femto_band;
dev_par->u16Arfcn = trx->arfcn;
dev_par->u16BcchArfcn = trx->bts->c0->arfcn;
dev_par->u8NbTsc = trx->bts->bsic & 7;
dev_par->fRxPowerLevel = -75.f;
dev_par->fTxPowerLevel = trx->nominal_power - trx->max_power_red;
LOGP(DL1C, LOGL_NOTICE, "Init TRX (ARFCN %u, TSC %u, RxPower % 2f dBm, "
"TxPower % 2.2f dBm\n", dev_par->u16Arfcn, dev_par->u8NbTsc,
dev_par->fRxPowerLevel, dev_par->fTxPowerLevel);
/* send MPH-INIT-REQ, wait for MPH-INIT-CNF */
return l1if_req_compl(fl1h, msg, 0, trx_init_compl_cb, fl1h);
}
static int ts_connect(struct gsm_bts_trx_ts *ts)
{
struct msgb *msg = l1p_msgb_alloc();
struct femtol1_hdl *fl1h = trx_femtol1_hdl(ts->trx);
GsmL1_MphConnectReq_t *cr;
cr = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphConnectReq, fl1h);
cr->u8Tn = ts->nr;
cr->logChComb = pchan_to_logChComb[ts->pchan];
return l1if_req_compl(fl1h, msg, 0, opstart_compl_cb, &ts->mo);
}
GsmL1_Sapi_t lchan_to_GsmL1_Sapi_t(const struct gsm_lchan *lchan)
{
switch (lchan->type) {
case GSM_LCHAN_TCH_F:
return GsmL1_Sapi_TchF;
case GSM_LCHAN_TCH_H:
return GsmL1_Sapi_TchH;
default:
LOGP(DL1C, LOGL_NOTICE, "%s cannot determine L1 SAPI\n",
gsm_lchan_name(lchan));
break;
}
return GsmL1_Sapi_Idle;
}
GsmL1_SubCh_t lchan_to_GsmL1_SubCh_t(const struct gsm_lchan *lchan)
{
switch (lchan->ts->pchan) {
case GSM_PCHAN_CCCH_SDCCH4:
if (lchan->type == GSM_LCHAN_CCCH)
return GsmL1_SubCh_NA;
/* fall-through */
case GSM_PCHAN_TCH_H:
case GSM_PCHAN_SDCCH8_SACCH8C:
return lchan->nr;
case GSM_PCHAN_NONE:
case GSM_PCHAN_CCCH:
case GSM_PCHAN_TCH_F:
case GSM_PCHAN_PDCH:
case GSM_PCHAN_UNKNOWN:
default:
return GsmL1_SubCh_NA;
}
return GsmL1_SubCh_NA;
}
struct sapi_dir {
GsmL1_Sapi_t sapi;
GsmL1_Dir_t dir;
};
static const struct sapi_dir ccch_sapis[] = {
{ GsmL1_Sapi_Fcch, GsmL1_Dir_TxDownlink },
{ GsmL1_Sapi_Sch, GsmL1_Dir_TxDownlink },
{ GsmL1_Sapi_Bcch, GsmL1_Dir_TxDownlink },
{ GsmL1_Sapi_Agch, GsmL1_Dir_TxDownlink },
{ GsmL1_Sapi_Pch, GsmL1_Dir_TxDownlink },
{ GsmL1_Sapi_Rach, GsmL1_Dir_RxUplink },
};
#define DIR_BOTH (GsmL1_Dir_TxDownlink|GsmL1_Dir_RxUplink)
static const struct sapi_dir tchf_sapis[] = {
{ GsmL1_Sapi_TchF, DIR_BOTH },
{ GsmL1_Sapi_FacchF, DIR_BOTH },
{ GsmL1_Sapi_Sacch, DIR_BOTH },
};
static const struct sapi_dir tchh_sapis[] = {
{ GsmL1_Sapi_TchH, DIR_BOTH },
{ GsmL1_Sapi_FacchH, DIR_BOTH },
{ GsmL1_Sapi_Sacch, DIR_BOTH },
};
static const struct sapi_dir sdcch_sapis[] = {
{ GsmL1_Sapi_Sdcch, DIR_BOTH },
{ GsmL1_Sapi_Sacch, DIR_BOTH },
};
struct lchan_sapis {
const struct sapi_dir *sapis;
unsigned int num_sapis;
};
static const struct lchan_sapis sapis_for_lchan[_GSM_LCHAN_MAX] = {
[GSM_LCHAN_SDCCH] = {
.sapis = sdcch_sapis,
.num_sapis = ARRAY_SIZE(sdcch_sapis),
},
[GSM_LCHAN_TCH_F] = {
.sapis = tchf_sapis,
.num_sapis = ARRAY_SIZE(tchf_sapis),
},
[GSM_LCHAN_TCH_H] = {
.sapis = tchh_sapis,
.num_sapis = ARRAY_SIZE(tchh_sapis),
},
[GSM_LCHAN_CCCH] = {
.sapis = ccch_sapis,
.num_sapis = ARRAY_SIZE(ccch_sapis),
},
};
static int lchan_act_compl_cb(struct msgb *l1_msg, void *data)
{
struct gsm_lchan *lchan = data;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
GsmL1_MphActivateCnf_t *ic = &l1p->u.mphActivateCnf;
LOGP(DL1C, LOGL_INFO, "%s MPH-ACTIVATE.conf\n", gsm_lchan_name(lchan));
if (ic->status == GsmL1_Status_Success) {
DEBUGP(DL1C, "Successful activation of L1 SAPI %s on TS %u\n",
get_value_string(femtobts_l1sapi_names, ic->sapi), ic->u8Tn);
lchan->state = LCHAN_S_ACTIVE;
} else {
LOGP(DL1C, LOGL_ERROR, "Error activating L1 SAPI %s on TS %u: %s\n",
get_value_string(femtobts_l1sapi_names, ic->sapi), ic->u8Tn,
get_value_string(femtobts_l1status_names, ic->status));
lchan->state = LCHAN_S_NONE;
}
switch (ic->sapi) {
case GsmL1_Sapi_Sdcch:
case GsmL1_Sapi_TchF:
/* FIXME: Send RSL CHAN ACT */
break;
default:
break;
}
msgb_free(l1_msg);
return 0;
}
uint32_t l1if_lchan_to_hLayer2(struct gsm_lchan *lchan)
{
return (lchan->nr << 8) | (lchan->ts->nr << 16) | (lchan->ts->trx->nr << 24);
}
/* obtain a ptr to the lapdm_channel for a given hLayer2 */
struct gsm_lchan *
l1if_hLayer2_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer2)
{
uint8_t ts_nr = (hLayer2 >> 16) & 0xff;
uint8_t lchan_nr = (hLayer2 >> 8)& 0xff;
struct gsm_bts_trx_ts *ts;
/* FIXME: if we actually run on the BTS, the 32bit field is large
* enough to simply put a pointer inside. */
if (ts_nr >= ARRAY_SIZE(trx->ts))
return NULL;
ts = &trx->ts[ts_nr];
if (lchan_nr >= ARRAY_SIZE(ts->lchan))
return NULL;
return &ts->lchan[lchan_nr];
}
/* we regularly check if the DSP L1 is still sending us primitives.
* if not, we simply stop the BTS program (and be re-spawned) */
static void alive_timer_cb(void *data)
{
struct femtol1_hdl *fl1h = data;
if (fl1h->alive_prim_cnt == 0) {
LOGP(DL1C, LOGL_FATAL, "DSP L1 is no longer sending primitives!\n");
exit(23);
}
fl1h->alive_prim_cnt = 0;
osmo_timer_schedule(&fl1h->alive_timer, 5, 0);
}
static void lchan2lch_par(GsmL1_LogChParam_t *lch_par, struct gsm_lchan *lchan)
{
int j;
LOGPC(DL1C, LOGL_INFO, "%s: %s tch_mode=0x%02x\n",
gsm_lchan_name(lchan), __FUNCTION__, lchan->tch_mode);
switch (lchan->tch_mode) {
case GSM48_CMODE_SIGN:
case GSM48_CMODE_SPEECH_V1:
case GSM48_CMODE_SPEECH_EFR:
lch_par->tch.amrCmiPhase = GsmL1_AmrCmiPhase_NA;
lch_par->tch.amrInitCodecMode = GsmL1_AmrCodecMode_Unset;
for (j = 0; j < ARRAY_SIZE(lch_par->tch.amrActiveCodecSet); j++)
lch_par->tch.amrActiveCodecSet[j] = GsmL1_AmrCodec_Unset;
break;
case GSM48_CMODE_SPEECH_AMR:
lch_par->tch.amrCmiPhase = GsmL1_AmrCmiPhase_Odd; /* FIXME? */
if (lchan->mr_conf.icmi)
lch_par->tch.amrInitCodecMode = lchan->mr_conf.smod;
/* else: FIXME (implicit rule by TS 05.09 ?!?) */
/* initialize to clean state */
for (j = 0; j < ARRAY_SIZE(lch_par->tch.amrActiveCodecSet); j++)
lch_par->tch.amrActiveCodecSet[j] = GsmL1_AmrCodec_Unset;
j = 0;
if (lchan->mr_conf.m4_75)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_4_75;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m5_15)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_5_15;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m5_90)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_5_9;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m6_70)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_6_7;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m7_40)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_7_4;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m7_95)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_7_95;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m10_2)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_10_2;
if (j >= ARRAY_SIZE(lch_par->tch.amrActiveCodecSet))
break;
if (lchan->mr_conf.m12_2)
lch_par->tch.amrActiveCodecSet[j++] = GsmL1_AmrCodec_12_2;
break;
}
}
int lchan_activate(struct gsm_lchan *lchan)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(lchan->ts->trx);
const struct lchan_sapis *s4l = &sapis_for_lchan[lchan->type];
unsigned int i;
for (i = 0; i < s4l->num_sapis; i++) {
struct msgb *msg = l1p_msgb_alloc();
GsmL1_MphActivateReq_t *act_req;
GsmL1_LogChParam_t *lch_par;
act_req = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphActivateReq, fl1h);
lch_par = &act_req->logChPrm;
act_req->u8Tn = lchan->ts->nr;
act_req->subCh = lchan_to_GsmL1_SubCh_t(lchan);
act_req->dir = s4l->sapis[i].dir;
act_req->sapi = s4l->sapis[i].sapi;
act_req->hLayer2 = l1if_lchan_to_hLayer2(lchan);
switch (act_req->sapi) {
case GsmL1_Sapi_Sch:
/* once we activate the SCH, we should get MPH-TIME.ind */
fl1h->alive_timer.cb = alive_timer_cb;
fl1h->alive_timer.data = fl1h;
fl1h->alive_prim_cnt = 0;
osmo_timer_schedule(&fl1h->alive_timer, 5, 0);
break;
case GsmL1_Sapi_Rach:
lch_par->rach.u8Bsic = lchan->ts->trx->bts->bsic;
break;
case GsmL1_Sapi_Agch:
#warning Set BS_AG_BLKS_RES
lch_par->agch.u8NbrOfAgch = 1;
break;
case GsmL1_Sapi_Sacch:
/* Only if we use manual MS power control */
//act_req->logChPrm.sacch.u8MsPowerLevel = FIXME;
break;
case GsmL1_Sapi_TchH:
case GsmL1_Sapi_TchF:
lchan2lch_par(lch_par, lchan);
break;
default:
break;
}
LOGP(DL1C, LOGL_INFO, "%s MPH-ACTIVATE.req (hL2=0x%08x)\n",
gsm_lchan_name(lchan), act_req->hLayer2);
/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */
l1if_req_compl(fl1h, msg, 0, lchan_act_compl_cb, lchan);
}
lchan->state = LCHAN_S_ACT_REQ;
lchan_init_lapdm(lchan);
return 0;
}
const struct value_string femtobts_l1cfgt_names[] = {
{ GsmL1_ConfigParamId_SetNbTsc, "Set NB TSC" },
{ GsmL1_ConfigParamId_SetTxPowerLevel, "Set Tx power level" },
{ GsmL1_ConfigParamId_SetLogChParams, "Set logical channel params" },
{ GsmL1_ConfigParamId_SetCipheringParams,"Configure ciphering params" },
{ 0, NULL }
};
static void dump_lch_par(int logl, GsmL1_LogChParam_t *lch_par, GsmL1_Sapi_t sapi)
{
int i;
switch (sapi) {
case GsmL1_Sapi_Rach:
LOGPC(DL1C, logl, "BSIC=0x%08x", lch_par->rach.u8Bsic);
break;
case GsmL1_Sapi_Agch:
LOGPC(DL1C, logl, "BS_AG_BLKS_RES=%u ",
lch_par->agch.u8NbrOfAgch);
break;
case GsmL1_Sapi_Sacch:
LOGPC(DL1C, logl, "MS Power Level 0x%02x",
lch_par->sacch.u8MsPowerLevel);
break;
case GsmL1_Sapi_TchF:
case GsmL1_Sapi_TchH:
LOGPC(DL1C, logl, "amrCmiPhase=0x%02x amrInitCodec=0x%02x (",
lch_par->tch.amrCmiPhase,
lch_par->tch.amrInitCodecMode);
for (i = 0; i < ARRAY_SIZE(lch_par->tch.amrActiveCodecSet); i++) {
LOGPC(DL1C, logl, "%x ",
lch_par->tch.amrActiveCodecSet[i]);
}
break;
/* FIXME: PRACH / PTCCH */
}
LOGPC(DL1C, logl, ")\n");
}
static int chmod_modif_compl_cb(struct msgb *l1_msg, void *data)
{
struct gsm_lchan *lchan = data;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
GsmL1_MphConfigCnf_t *cc = &l1p->u.mphConfigCnf;
LOGP(DL1C, LOGL_INFO, "%s MPH-CONFIG.conf (%s) ",
gsm_lchan_name(lchan),
get_value_string(femtobts_l1cfgt_names, cc->cfgParamId));
switch (cc->cfgParamId) {
case GsmL1_ConfigParamId_SetLogChParams:
dump_lch_par(LOGL_INFO,
&cc->cfgParams.setLogChParams.logChParams,
cc->cfgParams.setLogChParams.sapi);
break;
}
msgb_free(l1_msg);
return 0;
}
static int tx_confreq_logchpar(struct gsm_lchan *lchan, uint8_t direction)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(lchan->ts->trx);
struct msgb *msg = l1p_msgb_alloc();
GsmL1_MphConfigReq_t *conf_req;
GsmL1_LogChParam_t *lch_par;
/* channel mode, encryption and/or multirate have changed */
/* update multi-rate config */
conf_req = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphConfigReq, fl1h);
conf_req->cfgParamId = GsmL1_ConfigParamId_SetLogChParams;
conf_req->cfgParams.setLogChParams.sapi = lchan_to_GsmL1_Sapi_t(lchan);
conf_req->cfgParams.setLogChParams.u8Tn = lchan->ts->nr;
conf_req->cfgParams.setLogChParams.subCh = lchan_to_GsmL1_SubCh_t(lchan);
conf_req->cfgParams.setLogChParams.dir = direction;
lch_par = &conf_req->cfgParams.setLogChParams.logChParams;
lchan2lch_par(lch_par, lchan);
/* FIXME: update encryption */
LOGP(DL1C, LOGL_INFO, "%s MPH-CONFIG.req (%s) ",
gsm_lchan_name(lchan),
get_value_string(femtobts_l1sapi_names,
conf_req->cfgParams.setLogChParams.sapi));
LOGP(DL1C, LOGL_INFO, "cfgParams Tn=%u, subCh=%u, dir=0x%x ",
conf_req->cfgParams.setLogChParams.u8Tn,
conf_req->cfgParams.setLogChParams.subCh,
conf_req->cfgParams.setLogChParams.dir);
dump_lch_par(LOGL_INFO,
&conf_req->cfgParams.setLogChParams.logChParams,
conf_req->cfgParams.setLogChParams.sapi);
return l1if_req_compl(fl1h, msg, 0, chmod_modif_compl_cb, lchan);
}
int bts_model_rsl_mode_modify(struct gsm_lchan *lchan)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(lchan->ts->trx);
/* channel mode, encryption and/or multirate have changed */
/* update multi-rate config */
tx_confreq_logchpar(lchan, GsmL1_Dir_RxUplink);
tx_confreq_logchpar(lchan, GsmL1_Dir_TxDownlink);
/* FIXME: update encryption */
return 0;
}
static int lchan_deact_compl_cb(struct msgb *l1_msg, void *data)
{
struct gsm_lchan *lchan = data;
GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
GsmL1_MphDeactivateCnf_t *ic = &l1p->u.mphDeactivateCnf;
LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.conf (%s)\n",
gsm_lchan_name(lchan),
get_value_string(femtobts_l1sapi_names, ic->sapi));
if (ic->status == GsmL1_Status_Success) {
DEBUGP(DL1C, "Successful deactivation of L1 SAPI %s on TS %u\n",
get_value_string(femtobts_l1sapi_names, ic->sapi), ic->u8Tn);
lchan->state = LCHAN_S_ACTIVE;
} else {
LOGP(DL1C, LOGL_ERROR, "Error deactivating L1 SAPI %s on TS %u: %s\n",
get_value_string(femtobts_l1sapi_names, ic->sapi), ic->u8Tn,
get_value_string(femtobts_l1status_names, ic->status));
lchan->state = LCHAN_S_NONE;
}
switch (ic->sapi) {
case GsmL1_Sapi_Sdcch:
case GsmL1_Sapi_TchF:
/* FIXME: Send RSL CHAN REL ACK */
break;
default:
break;
}
msgb_free(l1_msg);
return 0;
}
int lchan_deactivate(struct gsm_lchan *lchan)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(lchan->ts->trx);
const struct lchan_sapis *s4l = &sapis_for_lchan[lchan->type];
int i;
for (i = s4l->num_sapis-1; i >= 0; i--) {
struct msgb *msg = l1p_msgb_alloc();
GsmL1_MphDeactivateReq_t *deact_req;
deact_req = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphDeactivateReq, fl1h);
deact_req->u8Tn = lchan->ts->nr;
deact_req->subCh = lchan_to_GsmL1_SubCh_t(lchan);
deact_req->dir = s4l->sapis[i].dir;
deact_req->sapi = s4l->sapis[i].sapi;
LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.req (%s)\n",
gsm_lchan_name(lchan),
get_value_string(femtobts_l1sapi_names, deact_req->sapi));
/* Stop the alive timer once we deactivate the SCH */
if (deact_req->sapi == GsmL1_Sapi_Sch)
osmo_timer_del(&fl1h->alive_timer);
/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */
l1if_req_compl(fl1h, msg, 0, lchan_deact_compl_cb, lchan);
}
lchan->state = LCHAN_S_ACT_REQ;
return 0;
}
int lchan_deactivate_sacch(struct gsm_lchan *lchan)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(lchan->ts->trx);
struct msgb *msg = l1p_msgb_alloc();
GsmL1_MphDeactivateReq_t *deact_req;
deact_req = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphDeactivateReq, fl1h);
deact_req->u8Tn = lchan->ts->nr;
deact_req->subCh = lchan_to_GsmL1_SubCh_t(lchan);
deact_req->dir = DIR_BOTH;
deact_req->sapi = GsmL1_Sapi_Sacch;
LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.req (SACCH)\n",
gsm_lchan_name(lchan));
/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */
return l1if_req_compl(fl1h, msg, 0, lchan_deact_compl_cb, lchan);
}
struct gsm_time *bts_model_get_time(struct gsm_bts *bts)
{
struct femtol1_hdl *fl1h = trx_femtol1_hdl(bts->c0);
return &fl1h->gsm_time;
}
/* callback from OML */
int bts_model_check_oml(struct gsm_bts *bts, uint8_t msg_type,
struct tlv_parsed *old_attr, struct tlv_parsed *new_attr,
void *obj)
{
/* FIXME: check if the attributes are valid */
return 0;
}
/* callback from OML */
int bts_model_apply_oml(struct gsm_bts *bts, struct msgb *msg,
struct tlv_parsed *new_attr, void *obj)
{
/* FIXME: we actaully need to send a ACK or NACK for the OML message */
return oml_fom_ack_nack(msg, 0);
}
/* callback from OML */
int bts_model_opstart(struct gsm_bts *bts, struct gsm_abis_mo *mo,
void *obj)
{
int rc;
switch (mo->obj_class) {
case NM_OC_RADIO_CARRIER:
rc = trx_init(obj);
break;
case NM_OC_CHANNEL:
rc = ts_connect(obj);
break;
case NM_OC_BTS:
case NM_OC_SITE_MANAGER:
case NM_OC_BASEB_TRANSC:
oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, -1);
rc = oml_mo_opstart_ack(mo);
break;
default:
rc = oml_mo_opstart_nack(mo, NM_NACK_OBJCLASS_NOTSUPP);
}
return rc;
}
int bts_model_chg_adm_state(struct gsm_bts *bts, struct gsm_abis_mo *mo,
void *obj, uint8_t adm_state)
{
/* blindly accept all state changes */
mo->nm_state.administrative = adm_state;
return oml_mo_fom_ack_nack(mo, NM_MT_CHG_ADM_STATE, 0);
}
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