Added L1 interface between PCU and OpenBTS for communication (PCU side).

zecke/hacks/quick-exit
Ivan Kluchnikov 11 years ago
parent c320d86052
commit e3a059656f
  1. 410
      gsmL1prim.h
  2. 95
      pcu_l1_if.cpp
  3. 39
      pcu_l1_if.h
  4. 93
      pcu_main.cpp

@ -0,0 +1,410 @@
/*
* Copyright 2012 Thomas Cooper <tacooper@vt.edu>
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
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/>.
*/
#ifndef GSML1PRIM_H
#define GSML1PRIM_H
#include <stdint.h>
typedef enum GsmL1_SubCh_t {
GsmL1_SubCh_NA,
} GsmL1_SubCh_t;
typedef enum GsmL1_Sapi_t {
GsmL1_Sapi_Fcch,
GsmL1_Sapi_Sch,
GsmL1_Sapi_Sacch,
GsmL1_Sapi_Sdcch,
GsmL1_Sapi_Bcch,
GsmL1_Sapi_Pch,
GsmL1_Sapi_Agch,
GsmL1_Sapi_Cbch,
GsmL1_Sapi_Rach,
GsmL1_Sapi_TchF,
GsmL1_Sapi_FacchF,
GsmL1_Sapi_TchH,
GsmL1_Sapi_FacchH,
GsmL1_Sapi_Nch,
GsmL1_Sapi_Pdtch,
GsmL1_Sapi_Pacch,
GsmL1_Sapi_Pbcch,
GsmL1_Sapi_Pagch,
GsmL1_Sapi_Ppch,
GsmL1_Sapi_Pnch,
GsmL1_Sapi_Ptcch,
GsmL1_Sapi_Prach,
GsmL1_Sapi_Idle,
GsmL1_Sapi_NUM,
} GsmL1_Sapi_t;
typedef enum GsmL1_Status_t {
GsmL1_Status_Success,
GsmL1_Status_Generic,
GsmL1_Status_NoMemory,
GsmL1_Status_Timeout,
GsmL1_Status_InvalidParam,
GsmL1_Status_Busy,
GsmL1_Status_NoRessource,
GsmL1_Status_Uninitialized,
GsmL1_Status_NullInterface,
GsmL1_Status_NullFctnPtr,
GsmL1_Status_BadCrc,
GsmL1_Status_BadUsf,
GsmL1_Status_InvalidCPS,
GsmL1_Status_UnexpectedBurst,
GsmL1_Status_UnavailCodec,
GsmL1_Status_CriticalError,
GsmL1_Status_OverheatError,
GsmL1_Status_DeviceError,
GsmL1_Status_FacchError,
GsmL1_Status_AlreadyDeactivated,
GsmL1_Status_TxBurstFifoOvrn,
GsmL1_Status_TxBurstFifoUndr,
GsmL1_Status_NotSynchronized,
GsmL1_Status_Unsupported,
GSML1_STATUS_NUM,
} GsmL1_Status_t;
typedef enum GsmL1_PrimId_t {
GsmL1_PrimId_MphInitReq,
GsmL1_PrimId_MphCloseReq,
GsmL1_PrimId_MphConnectReq,
GsmL1_PrimId_MphDisconnectReq,
GsmL1_PrimId_MphActivateReq,
GsmL1_PrimId_MphDeactivateReq,
GsmL1_PrimId_MphConfigReq,
GsmL1_PrimId_MphMeasureReq,
GsmL1_PrimId_MphInitCnf,
GsmL1_PrimId_MphCloseCnf,
GsmL1_PrimId_MphConnectCnf,
GsmL1_PrimId_MphDisconnectCnf,
GsmL1_PrimId_MphActivateCnf,
GsmL1_PrimId_MphDeactivateCnf,
GsmL1_PrimId_MphConfigCnf,
GsmL1_PrimId_MphMeasureCnf,
GsmL1_PrimId_MphTimeInd,
GsmL1_PrimId_MphSyncInd,
GsmL1_PrimId_PhEmptyFrameReq,
GsmL1_PrimId_PhDataReq,
GsmL1_PrimId_PhConnectInd,
GsmL1_PrimId_PhReadyToSendInd,
GsmL1_PrimId_PhDataInd,
GsmL1_PrimId_PhRaInd,
GsmL1_PrimId_NUM,
} GsmL1_PrimId_t;
typedef enum GsmL1_Dir_t {
GsmL1_Dir_TxDownlink,
GsmL1_Dir_RxUplink,
} GsmL1_Dir_t;
typedef enum GsmL1_DevType_t {
GsmL1_DevType_TxdRxu,
} GsmL1_DevType_t;
typedef enum GsmL1_TchPlType_t {
GsmL1_TchPlType_NA,
GsmL1_TchPlType_Efr,
GsmL1_TchPlType_Fr,
GsmL1_TchPlType_Hr,
GsmL1_TchPlType_Amr,
GsmL1_TchPlType_Amr_SidBad,
GsmL1_TchPlType_Amr_Onset,
GsmL1_TchPlType_Amr_Ratscch,
GsmL1_TchPlType_Amr_SidUpdateInH,
GsmL1_TchPlType_Amr_SidFirstP1,
GsmL1_TchPlType_Amr_SidFirstP2,
GsmL1_TchPlType_Amr_SidFirstInH,
GsmL1_TchPlType_Amr_RatscchMarker,
GsmL1_TchPlType_Amr_RatscchData,
} GsmL1_TchPlType_t;
typedef enum GsmL1_ConfigParamId_t {
GsmL1_ConfigParamId_SetNbTsc,
GsmL1_ConfigParamId_SetTxPowerLevel,
GsmL1_ConfigParamId_SetLogChParams,
GsmL1_ConfigParamId_SetCipheringParams,
} GsmL1_ConfigParamId_t;
typedef struct GsmL1_DeviceParam_t {
enum GsmL1_DevType_t devType;
int freqBand;
uint16_t u16Arfcn;
uint16_t u16BcchArfcn;
uint8_t u8NbTsc;
uint8_t u8Ncc;
float fRxPowerLevel;
float fTxPowerLevel;
} GsmL1_DeviceParam_t;
typedef struct GsmL1_MsgUnitParam_t {
uint8_t u8Buffer[256];
uint8_t u8Size;
} GsmL1_MsgUnitParam_t;
typedef struct GsmL1_MeasParam_t {
float fRssi;
float fLinkQuality;
float fBer;
int16_t i16BurstTiming;
} GsmL1_MeasParam_t;
typedef struct GsmL1_LogChParam_t {
union {
struct {
enum GsmL1_TchPlType_t tchPlType;
enum {
GsmL1_AmrCmiPhase_NA,
GsmL1_AmrCmiPhase_Odd,
} amrCmiPhase;
enum {
GsmL1_AmrCodecMode_Unset,
} amrInitCodecMode;
enum {
GsmL1_AmrCodec_Unset,
GsmL1_AmrCodec_4_75,
GsmL1_AmrCodec_5_15,
GsmL1_AmrCodec_5_9,
GsmL1_AmrCodec_6_7,
GsmL1_AmrCodec_7_4,
GsmL1_AmrCodec_7_95,
GsmL1_AmrCodec_10_2,
GsmL1_AmrCodec_12_2,
} amrActiveCodecSet[8];
} tch;
struct {
uint8_t u8Bsic;
uint8_t u8NbrOfAgch;
} rach;
struct {
uint8_t u8MsPowerLevel;
} sacch;
struct {
uint8_t u8NbrOfAgch;
} agch;
};
} GsmL1_LogChParam_t;
typedef enum GsmL1_LogChComb_t {
GsmL1_LogChComb_0,
GsmL1_LogChComb_I,
GsmL1_LogChComb_II,
GsmL1_LogChComb_IV,
GsmL1_LogChComb_V,
GsmL1_LogChComb_VII,
GsmL1_LogChComb_XIII,
} GsmL1_LogChComb_t;
enum {
GsmL1_FreqBand_850,
GsmL1_FreqBand_900,
GsmL1_FreqBand_1800,
GsmL1_FreqBand_1900,
};
typedef struct GsmL1_MphInitReq_t {
struct GsmL1_DeviceParam_t deviceParam;
} GsmL1_MphInitReq_t;
typedef struct GsmL1_MphCloseReq_t {
uint32_t hLayer1;
} GsmL1_MphCloseReq_t;
typedef struct GsmL1_MphConnectReq_t {
uint32_t hLayer1;
uint8_t u8Tn;
enum GsmL1_LogChComb_t logChComb;
} GsmL1_MphConnectReq_t;
typedef struct GsmL1_MphDisconnectReq_t {
uint32_t hLayer1;
} GsmL1_MphDisconnectReq_t;
typedef struct GsmL1_MphActivateReq_t {
uint32_t hLayer1;
struct GsmL1_LogChParam_t logChPrm;
uint8_t u8Tn;
enum GsmL1_SubCh_t subCh;
enum GsmL1_Dir_t dir;
enum GsmL1_Sapi_t sapi;
uint32_t hLayer2;
float fBFILevel;
} GsmL1_MphActivateReq_t;
typedef struct GsmL1_MphDeactivateReq_t {
uint32_t hLayer1;
uint8_t u8Tn;
enum GsmL1_SubCh_t subCh;
enum GsmL1_Dir_t dir;
enum GsmL1_Sapi_t sapi;
} GsmL1_MphDeactivateReq_t;
typedef struct GsmL1_ConfigParam_t {
struct {
enum GsmL1_Sapi_t sapi;
uint8_t u8Tn;
enum GsmL1_SubCh_t subCh;
enum GsmL1_Dir_t dir;
struct GsmL1_LogChParam_t logChParams;
} setLogChParams;
} GsmL1_ConfigParam_t;
typedef struct GsmL1_MphConfigReq_t {
uint32_t hLayer1;
enum GsmL1_ConfigParamId_t cfgParamId;
struct GsmL1_ConfigParam_t cfgParams;
} GsmL1_MphConfigReq_t;
typedef struct GsmL1_MphConfigCnf_t {
enum GsmL1_Status_t status;
enum GsmL1_ConfigParamId_t cfgParamId;
struct GsmL1_ConfigParam_t cfgParams;
} GsmL1_MphConfigCnf_t;
typedef struct GsmL1_MphMeasureReq_t {
uint32_t hLayer1;
} GsmL1_MphMeasureReq_t;
typedef struct GsmL1_MphInitCnf_t {
uint32_t hLayer1;
enum GsmL1_Status_t status;
} GsmL1_MphInitCnf_t;
typedef struct GsmL1_MphCloseCnf_t {
enum GsmL1_Status_t status;
} GsmL1_MphCloseCnf_t;
typedef struct GsmL1_MphConnectCnf_t {
enum GsmL1_Status_t status;
} GsmL1_MphConnectCnf_t;
typedef struct GsmL1_MphDisconnectCnf_t {
enum GsmL1_Status_t status;
} GsmL1_MphDisconnectCnf_t;
typedef struct GsmL1_MphActivateCnf_t {
enum GsmL1_Status_t status;
uint8_t u8Tn;
int sapi;
} GsmL1_MphActivateCnf_t;
typedef struct GsmL1_MphDeactivateCnf_t {
enum GsmL1_Status_t status;
uint8_t u8Tn;
enum GsmL1_Sapi_t sapi;
} GsmL1_MphDeactivateCnf_t;
typedef struct GsmL1_MphMeasureCnf_t {
enum GsmL1_Status_t status;
} GsmL1_MphMeasureCnf_t;
typedef struct GsmL1_MphTimeInd_t {
uint32_t u32Fn;
} GsmL1_MphTimeInd_t;
typedef struct GsmL1_MphSyncInd_t {
} GsmL1_MphSyncInd_t;
typedef struct GsmL1_PhEmptyFrameReq_t {
uint32_t hLayer1;
uint8_t u8Tn;
uint32_t u32Fn;
enum GsmL1_Sapi_t sapi;
enum GsmL1_SubCh_t subCh;
uint8_t u8BlockNbr;
} GsmL1_PhEmptyFrameReq_t;
typedef struct GsmL1_PhDataReq_t {
uint32_t hLayer1;
uint8_t u8Tn;
uint32_t u32Fn;
enum GsmL1_Sapi_t sapi;
enum GsmL1_SubCh_t subCh;
uint8_t u8BlockNbr;
struct GsmL1_MsgUnitParam_t msgUnitParam;
} GsmL1_PhDataReq_t;
typedef struct GsmL1_PhConnectInd_t {
} GsmL1_PhConnectInd_t;
typedef struct GsmL1_PhReadyToSendInd_t {
uint32_t hLayer1;
uint8_t u8Tn;
uint32_t u32Fn;
enum GsmL1_Sapi_t sapi;
enum GsmL1_SubCh_t subCh;
uint8_t u8BlockNbr;
uint32_t hLayer2;
} GsmL1_PhReadyToSendInd_t;
typedef struct GsmL1_PhDataInd_t {
struct GsmL1_MeasParam_t measParam;
struct GsmL1_MsgUnitParam_t msgUnitParam;
enum GsmL1_Sapi_t sapi;
uint32_t hLayer2;
} GsmL1_PhDataInd_t;
typedef struct GsmL1_PhRaInd_t {
struct GsmL1_MeasParam_t measParam;
struct GsmL1_MsgUnitParam_t msgUnitParam;
uint32_t u32Fn;
uint32_t hLayer2;
} GsmL1_PhRaInd_t;
typedef struct GsmL1_Prim_t {
union {
struct GsmL1_MphInitReq_t mphInitReq;
struct GsmL1_MphCloseReq_t mphCloseReq;
struct GsmL1_MphConnectReq_t mphConnectReq;
struct GsmL1_MphDisconnectReq_t mphDisconnectReq;
struct GsmL1_MphActivateReq_t mphActivateReq;
struct GsmL1_MphDeactivateReq_t mphDeactivateReq;
struct GsmL1_MphConfigReq_t mphConfigReq;
struct GsmL1_MphMeasureReq_t mphMeasureReq;
struct GsmL1_MphInitCnf_t mphInitCnf;
struct GsmL1_MphCloseCnf_t mphCloseCnf;
struct GsmL1_MphConnectCnf_t mphConnectCnf;
struct GsmL1_MphDisconnectCnf_t mphDisconnectCnf;
struct GsmL1_MphActivateCnf_t mphActivateCnf;
struct GsmL1_MphDeactivateCnf_t mphDeactivateCnf;
struct GsmL1_MphConfigCnf_t mphConfigCnf;
struct GsmL1_MphMeasureCnf_t mphMeasureCnf;
struct GsmL1_MphTimeInd_t mphTimeInd;
struct GsmL1_MphSyncInd_t mphSyncInd;
struct GsmL1_PhEmptyFrameReq_t phEmptyFrameReq;
struct GsmL1_PhDataReq_t phDataReq;
struct GsmL1_PhConnectInd_t phConnectInd;
struct GsmL1_PhReadyToSendInd_t phReadyToSendInd;
struct GsmL1_PhDataInd_t phDataInd;
struct GsmL1_PhRaInd_t phRaInd;
} u;
enum GsmL1_PrimId_t id;
} GsmL1_Prim_t;

@ -26,34 +26,99 @@
#define MAX_UDP_LENGTH 1500
// TODO: We should take ports and IP from config.
UDPSocket pcu_l1if_socket(5070, "127.0.0.1", 5934);
UDPSocket pcu_gsmtap_socket(5077, "127.0.0.1", 4729);
struct msgb *l1p_msgb_alloc(void)
{
struct msgb *msg = msgb_alloc(sizeof(GsmL1_Prim_t), "l1_prim");
if (msg)
msg->l1h = msgb_put(msg, sizeof(GsmL1_Prim_t));
return msg;
}
// Send RLC/MAC block to OpenBTS.
void pcu_l1if_tx(BitVector * block)
{
char buffer[MAX_UDP_LENGTH];
int ofs = 0;
block->pack((unsigned char*)&buffer[ofs]);
struct msgb *msg = l1p_msgb_alloc();
GsmL1_Prim_t *prim = msgb_l1prim(msg);
prim->id = GsmL1_PrimId_PhDataReq;
block->pack((unsigned char*)&(prim->u.phDataReq.msgUnitParam.u8Buffer[ofs]));
ofs += block->size() >> 3;
prim->u.phDataReq.msgUnitParam.u8Size = ofs;
COUT("Send to OpenBTS: " << *block);
pcu_l1if_socket.write(buffer, ofs);
osmo_wqueue_enqueue(&l1fh->udp_wq, msg);
}
// Recieve RLC/MAC block from OpenBTS.
void *pcu_l1if_rx(void *)
int pcu_l1if_rx_pdch(GsmL1_PhDataInd_t *data_ind)
{
BitVector *block = new BitVector(23*8);
pcu_l1if_socket.nonblocking();
while (1) {
char buf[MAX_UDP_LENGTH];
int count = pcu_l1if_socket.read(buf, 3000);
if (count>0) {
block->unpack((const unsigned char*)buf);
COUT("Recieve from OpenBTS (MS): " << *block);
gprs_rlcmac_rcv_block(block);
}
block->unpack((const unsigned char*)data_ind->msgUnitParam.u8Buffer);
COUT("Recieve from OpenBTS (MS): " << *block);
gprs_rlcmac_rcv_block(block);
}
static int handle_ph_data_ind(struct femtol1_hdl *fl1, GsmL1_PhDataInd_t *data_ind,
struct msgb *l1p_msg)
{
int rc = 0;
switch (data_ind->sapi) {
case GsmL1_Sapi_Rach:
break;
case GsmL1_Sapi_Pdtch:
case GsmL1_Sapi_Pacch:
pcu_l1if_rx_pdch(data_ind);
break;
case GsmL1_Sapi_Pbcch:
case GsmL1_Sapi_Pagch:
case GsmL1_Sapi_Ppch:
case GsmL1_Sapi_Pnch:
case GsmL1_Sapi_Ptcch:
case GsmL1_Sapi_Prach:
break;
default:
//LOGP(DGPRS, LOGL_NOTICE, "Rx PH-DATA.ind for unknown L1 SAPI %u \n", data_ind->sapi);
break;
}
return rc;
}
/* handle any random indication from the L1 */
int pcu_l1if_handle_l1prim(struct femtol1_hdl *fl1, struct msgb *msg)
{
GsmL1_Prim_t *l1p = msgb_l1prim(msg);
int rc = 0;
switch (l1p->id) {
case GsmL1_PrimId_MphTimeInd:
break;
case GsmL1_PrimId_MphSyncInd:
break;
case GsmL1_PrimId_PhConnectInd:
break;
case GsmL1_PrimId_PhReadyToSendInd:
break;
case GsmL1_PrimId_PhDataInd:
rc = handle_ph_data_ind(fl1, &l1p->u.phDataInd, msg);
break;
case GsmL1_PrimId_PhRaInd:
break;
default:
break;
}
/* Special return value '1' means: do not free */
if (rc != 1)
msgb_free(msg);
return rc;
}
void gsmtap_send_llc(uint8_t * data, unsigned len)

@ -20,11 +20,48 @@
#ifndef PCU_L1_IF_H
#define PCU_L1_IF_H
#include <BitVector.h>
#include <gsmL1prim.h>
extern "C" {
#include <osmocom/core/write_queue.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/timer.h>
#include <osmocom/gsm/gsm_utils.h>
}
#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h)
struct femtol1_hdl {
struct gsm_time gsm_time;
uint32_t hLayer1; /* handle to the L1 instance in the DSP */
uint32_t dsp_trace_f;
uint16_t clk_cal;
struct llist_head wlc_list;
void *priv; /* user reference */
struct osmo_timer_list alive_timer;
unsigned int alive_prim_cnt;
struct osmo_fd read_ofd; /* osmo file descriptors */
struct osmo_wqueue write_q;
};
struct l1fwd_hdl {
struct sockaddr_storage remote_sa;
socklen_t remote_sa_len;
struct osmo_wqueue udp_wq;
struct femtol1_hdl *fl1h;
};
extern struct l1fwd_hdl *l1fh;
void pcu_l1if_tx(BitVector * block);
void *pcu_l1if_rx(void *);
int pcu_l1if_handle_l1prim(struct femtol1_hdl *fl1h, struct msgb *msg);
void gsmtap_send_llc(uint8_t * data, unsigned len);

@ -26,7 +26,9 @@
#define SGSN_IP "127.0.0.1"
#define SGSN_PORT 23000
#define NSVCI 4
#define PCU_L1_IF_PORT 5944
struct l1fwd_hdl *l1fh = talloc_zero(NULL, struct l1fwd_hdl);
int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, struct msgb *msg, uint16_t bvci)
{
@ -46,16 +48,100 @@ int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, struct msgb *msg,
return rc;
}
/* data has arrived on the udp socket */
static int udp_read_cb(struct osmo_fd *ofd)
{
struct msgb *msg = msgb_alloc_headroom(2048, 128, "udp_rx");
struct l1fwd_hdl *l1fh = (l1fwd_hdl *)ofd->data;
struct femtol1_hdl *fl1h = l1fh->fl1h;
int rc;
if (!msg)
return -ENOMEM;
msg->l1h = msg->data;
l1fh->remote_sa_len = sizeof(l1fh->remote_sa);
rc = recvfrom(ofd->fd, msg->l1h, msgb_tailroom(msg), 0,
(struct sockaddr *) &l1fh->remote_sa, &l1fh->remote_sa_len);
if (rc < 0) {
perror("read from udp");
msgb_free(msg);
return rc;
} else if (rc == 0) {
perror("len=0 read from udp");
msgb_free(msg);
return rc;
}
msgb_put(msg, rc);
rc = pcu_l1if_handle_l1prim(fl1h, msg);
return rc;
}
/* callback when we can write to the UDP socket */
static int udp_write_cb(struct osmo_fd *ofd, struct msgb *msg)
{
int rc;
struct l1fwd_hdl *l1fh = (l1fwd_hdl *)ofd->data;
DEBUGP(DGPRS, "UDP: Writing %u bytes for MQ_L1_WRITE queue\n", msgb_l1len(msg));
rc = sendto(ofd->fd, msg->l1h, msgb_l1len(msg), 0,
(const struct sockaddr *)&l1fh->remote_sa, l1fh->remote_sa_len);
if (rc < 0) {
LOGP(DGPRS, LOGL_ERROR, "error writing to L1 msg_queue: %s\n",
strerror(errno));
return rc;
} else if (rc < msgb_l1len(msg)) {
LOGP(DGPRS, LOGL_ERROR, "short write to L1 msg_queue: "
"%u < %u\n", rc, msgb_l1len(msg));
return -EIO;
}
return 0;
}
int pcu_l1if_open()
{
//struct l1fwd_hdl *l1fh;
struct femtol1_hdl *fl1h;
int rc;
/* allocate new femtol1_handle */
fl1h = talloc_zero(NULL, struct femtol1_hdl);
INIT_LLIST_HEAD(&fl1h->wlc_list);
l1fh->fl1h = fl1h;
fl1h->priv = l1fh;
/* Open UDP */
struct osmo_wqueue *wq = &l1fh->udp_wq;
osmo_wqueue_init(wq, 10);
wq->write_cb = udp_write_cb;
wq->read_cb = udp_read_cb;
wq->bfd.when |= BSC_FD_READ;
wq->bfd.data = l1fh;
wq->bfd.priv_nr = 0;
rc = osmo_sock_init_ofd(&wq->bfd, AF_UNSPEC, SOCK_DGRAM,
IPPROTO_UDP, NULL, PCU_L1_IF_PORT,
OSMO_SOCK_F_BIND);
if (rc < 0) {
perror("sock_init");
exit(1);
}
}
int main(int argc, char *argv[])
{
uint16_t nsvci = NSVCI;
struct gprs_ns_inst *sgsn_nsi;
struct gprs_nsvc *nsvc;
// Socket for reading BitVectors (RLC/MAC Frames) from OpenBTS application.
Thread pcu_l1if;
pcu_l1if.start(pcu_l1if_rx, NULL);
osmo_init_logging(&log_info);
pcu_l1if_open();
sgsn_nsi = gprs_ns_instantiate(&sgsn_ns_cb);
bssgp_nsi = sgsn_nsi;
@ -92,3 +178,4 @@ int main(int argc, char *argv[])
i++;
}
}

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