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Fixed Paging and reattachment in new state machine. Moved GW to srsue

This commit is contained in:
Ismael Gomez 2017-09-18 14:02:31 +02:00
parent 826667361e
commit 68b1782c86
17 changed files with 885 additions and 740 deletions
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2
lib/include/srslte/interfaces/enb_metrics_interface.h
View File

@ -32,7 +32,7 @@
#include "upper/common_enb.h"
#include "upper/s1ap_metrics.h"
#include "upper/rrc_metrics.h"
#include "srslte/upper/gw_metrics.h"
#include "../../../../srsue/hdr/upper/gw_metrics.h"
#include "srslte/upper/rlc_metrics.h"
#include "mac/mac_metrics.h"
#include "phy/phy_metrics.h"

8
lib/include/srslte/interfaces/ue_interfaces.h
View File

@ -113,6 +113,13 @@ public:
virtual void deattach_request() = 0;
};
// NAS interface for UE
class nas_interface_gw
{
public:
virtual void attach_request() = 0;
};
// RRC interface for MAC
class rrc_interface_mac_common
{
@ -172,6 +179,7 @@ class pdcp_interface_gw
{
public:
virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
virtual bool is_drb_enabled(uint32_t lcid) = 0;
};
// PDCP interface for RRC

3
lib/include/srslte/upper/pdcp.h
View File

@ -50,6 +50,9 @@ public:
uint8_t direction_);
void stop();
// GW interface
bool is_drb_enabled(uint32_t lcid);
// RRC interface
void reset();
void write_sdu(uint32_t lcid, byte_buffer_t *sdu);

9
lib/src/upper/pdcp.cc
View File

@ -65,6 +65,15 @@ void pdcp::reset()
/*******************************************************************************
RRC/GW interface
*******************************************************************************/
bool pdcp::is_drb_enabled(uint32_t lcid)
{
if(lcid >= SRSLTE_N_RADIO_BEARERS) {
pdcp_log->error("Radio bearer id must be in [0:%d] - %d\n", SRSLTE_N_RADIO_BEARERS, lcid);
return false;
}
return pdcp_array[lcid].is_active();
}
void pdcp::write_sdu(uint32_t lcid, byte_buffer_t *sdu)
{
if(valid_lcid(lcid))

7
srsue/hdr/ue.h
View File

@ -45,7 +45,7 @@
#include "srslte/upper/pdcp.h"
#include "upper/rrc.h"
#include "upper/nas.h"
#include "srslte/upper/gw.h"
#include "upper/gw.h"
#include "upper/usim.h"
#include "srslte/common/buffer_pool.h"
@ -82,9 +82,6 @@ public:
void pregenerate_signals(bool enable);
// Testing
void test_con_restablishment();
private:
virtual ~ue();
@ -97,7 +94,7 @@ private:
srslte::pdcp pdcp;
srsue::rrc rrc;
srsue::nas nas;
srslte::gw gw;
srsue::gw gw;
srsue::usim usim;
#ifdef LOG_STDOUT

4
srsue/hdr/ue_metrics_interface.h
View File

@ -29,7 +29,7 @@
#include <stdint.h>
#include "srslte/upper/gw_metrics.h"
#include "upper/gw_metrics.h"
#include "srslte/upper/rlc_metrics.h"
#include "mac/mac_metrics.h"
#include "phy/phy_metrics.h"
@ -48,7 +48,7 @@ typedef struct {
phy_metrics_t phy;
mac_metrics_t mac;
srslte::rlc_metrics_t rlc;
srslte::gw_metrics_t gw;
gw_metrics_t gw;
}ue_metrics_t;
// UE interface

25
lib/include/srslte/upper/gw.h → srsue/hdr/upper/gw.h
View File

@ -33,39 +33,40 @@
#include "srslte/common/msg_queue.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "srslte/common/threads.h"
#include "srslte/upper/gw_metrics.h"
#include "gw_metrics.h"
#include <linux/if.h>
namespace srslte {
namespace srsue {
class gw
:public srsue::gw_interface_pdcp
,public srsue::gw_interface_nas
:public gw_interface_pdcp
,public gw_interface_nas
,public thread
{
public:
gw();
void init(srsue::pdcp_interface_gw *pdcp_, srsue::ue_interface *ue_, log *gw_log_, uint32_t lcid_);
void init(pdcp_interface_gw *pdcp_, nas_interface_gw *nas_, srslte::log *gw_log_, uint32_t lcid_);
void stop();
void get_metrics(gw_metrics_t &m);
// PDCP interface
void write_pdu(uint32_t lcid, byte_buffer_t *pdu);
void write_pdu(uint32_t lcid, srslte::byte_buffer_t *pdu);
// NAS interface
error_t setup_if_addr(uint32_t ip_addr, char *err_str);
srslte::error_t setup_if_addr(uint32_t ip_addr, char *err_str);
private:
static const int GW_THREAD_PRIO = 7;
srsue::pdcp_interface_gw *pdcp;
srsue::ue_interface *ue;
pdcp_interface_gw *pdcp;
nas_interface_gw *nas;
byte_buffer_pool *pool;
log *gw_log;
srslte::byte_buffer_pool *pool;
srslte::log *gw_log;
bool running;
bool run_enable;
int32 tun_fd;
@ -81,7 +82,7 @@ private:
struct timeval metrics_time[3];
void run_thread();
error_t init_if(char *err_str);
srslte::error_t init_if(char *err_str);
};
} // namespace srsue

2
lib/include/srslte/upper/gw_metrics.h → srsue/hdr/upper/gw_metrics.h
View File

@ -28,7 +28,7 @@
#define UE_GW_METRICS_H
namespace srslte {
namespace srsue {
struct gw_metrics_t
{

6
srsue/hdr/upper/nas.h
View File

@ -63,7 +63,10 @@ typedef enum {
} plmn_selection_state_t;
class nas
: public nas_interface_rrc, public nas_interface_ue {
: public nas_interface_rrc,
public nas_interface_ue,
public nas_interface_gw
{
public:
nas();
void init(usim_interface_nas *usim_,
@ -106,6 +109,7 @@ private:
plmn_selection_state_t plmn_selection;
LIBLTE_RRC_PLMN_IDENTITY_STRUCT current_plmn;
LIBLTE_RRC_PLMN_IDENTITY_STRUCT selecting_plmn;
LIBLTE_RRC_PLMN_IDENTITY_STRUCT home_plmn;
std::vector<LIBLTE_RRC_PLMN_IDENTITY_STRUCT > known_plmns;

9
srsue/hdr/upper/rrc.h
View File

@ -78,8 +78,6 @@ public:
// Timeout callback interface
void timer_expired(uint32_t timeout_id);
void test_con_restablishment();
void liblte_rrc_log(char *str);
private:
@ -130,7 +128,6 @@ private:
uint32_t n310_cnt, N310;
uint32_t n311_cnt, N311;
uint32_t t301, t310, t311;
uint32_t safe_reset_timer;
int ue_category;
typedef struct {
@ -155,6 +152,10 @@ private:
} si_acquire_state_t;
si_acquire_state_t si_acquire_state;
void run_si_acquisition_procedure();
uint32_t sib_start_tti(uint32_t tti, uint32_t period, uint32_t x);
uint32_t nof_sib1_trials;
uint32_t last_win_start;
void select_next_cell_in_plmn();
LIBLTE_RRC_PLMN_IDENTITY_STRUCT selected_plmn_id;
@ -242,12 +243,10 @@ private:
void parse_dl_info_transfer(uint32_t lcid, byte_buffer_t *pdu);
// Helpers
void reset_ue();
void rrc_connection_release();
void radio_link_failure();
static void* start_sib_thread(void *rrc_);
void sib_search();
uint32_t sib_start_tti(uint32_t tti, uint32_t period, uint32_t x);
void apply_sib2_configs(LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT *sib2);
void handle_con_setup(LIBLTE_RRC_CONNECTION_SETUP_STRUCT *setup);
void handle_con_reest(LIBLTE_RRC_CONNECTION_REESTABLISHMENT_STRUCT *setup);

6
srsue/hdr/upper/rrc_common.h
View File

@ -38,14 +38,16 @@ typedef enum {
RRC_STATE_CELL_SELECTED,
RRC_STATE_CONNECTING,
RRC_STATE_CONNECTED,
RRC_STATE_LEAVE_CONNECTED,
RRC_STATE_N_ITEMS,
} rrc_state_t;
static const char rrc_state_text[RRC_STATE_N_ITEMS][100] = {"IDLE",
"PLMN SELECTION",
"CELL SELECTION",
"CELL SELECTING",
"CELL SELECTED",
"CONNECTING",
"CONNECTED",
"RRC CONNECTED"};
"LEAVE CONNECTED"};
} // namespace srsue

24
srsue/src/phy/phch_recv.cc
View File

@ -407,14 +407,18 @@ void phch_recv::set_earfcn(std::vector<uint32_t> earfcn) {
}
bool phch_recv::stop_sync() {
Info("SYNC: Going to IDLE\n");
phy_state = IDLE;
int cnt=0;
while(!is_in_idle && cnt<100) {
usleep(10000);
cnt++;
if (phy_state == IDLE && is_in_idle) {
return true;
} else {
Info("SYNC: Going to IDLE\n");
phy_state = IDLE;
int cnt = 0;
while (!is_in_idle && cnt < 100) {
usleep(10000);
cnt++;
}
return is_in_idle;
}
return is_in_idle;
}
void phch_recv::cell_search_inc()
@ -425,7 +429,6 @@ void phch_recv::cell_search_inc()
cur_earfcn_index = 0;
}
}
usleep(100000);
Info("SYNC: Cell Search idx %d/%d\n", cur_earfcn_index, earfcn.size());
if (current_earfcn != earfcn[cur_earfcn_index]) {
current_earfcn = earfcn[cur_earfcn_index];
@ -627,8 +630,6 @@ void phch_recv::run_thread() {
rrc->cell_found(earfcn[cur_earfcn_index], cell, 10*log10(measure_rsrp/1000));
break;
case 0:
log_h->error("SYNC: Getting RSRP cell measurement.\n");
cell_search_next();
break;
default:
log_h->error("SYNC: Receiving frorm radio.\n");
@ -684,6 +685,7 @@ void phch_recv::run_thread() {
rrc->in_sync();
log_h->debug("SYNC: Sending in-sync to RRC\n");
}
break;
case 0:
log_h->error("SYNC: Sync error. Sending out-of-sync to RRC\n");
// Notify RRC of out-of-sync frame
@ -692,7 +694,7 @@ void phch_recv::run_thread() {
worker_com->reset_ul();
break;
default:
log_h->error("SYNC: Receiving frorm radio.\n");
log_h->error("SYNC: Receiving from radio.\n");
phy_state = IDLE;
radio_h->reset();
}

4
srsue/src/phy/phy.cc
View File

@ -298,8 +298,8 @@ int phy::prach_tx_tti()
void phy::reset()
{
sf_recv.stop_sync();
n_ta = 0;
Info("Resetting PHY\n");
n_ta = 0;
pdcch_dl_search_reset();
for(uint32_t i=0;i<nof_workers;i++) {
workers[i].reset();

6
srsue/src/ue.cc
View File

@ -167,7 +167,7 @@ bool ue::init(all_args_t *args_)
pdcp.init(&rlc, &rrc, &gw, &pdcp_log, 0 /* RB_ID_SRB0 */, SECURITY_DIRECTION_UPLINK);
nas.init(&usim, &rrc, &gw, &nas_log, 1 /* RB_ID_SRB1 */);
gw.init(&pdcp, this, &gw_log, 3 /* RB_ID_DRB1 */);
gw.init(&pdcp, &nas, &gw_log, 3 /* RB_ID_DRB1 */);
usim.init(&args->usim, &usim_log);
@ -195,10 +195,6 @@ void ue::pregenerate_signals(bool enable)
phy.enable_pregen_signals(enable);
}
void ue::test_con_restablishment() {
rrc.test_con_restablishment();
}
void ue::stop()
{
if(started)

236
lib/src/upper/gw.cc → srsue/src/upper/gw.cc
View File

@ -25,7 +25,7 @@
*/
#include "srslte/upper/gw.h"
#include "../../hdr/upper/gw.h"
#include <errno.h>
#include <unistd.h>
@ -38,7 +38,7 @@
#include <sys/socket.h>
namespace srslte {
namespace srsue {
gw::gw()
:if_up(false)
@ -46,11 +46,11 @@ gw::gw()
current_ip_addr = 0;
}
void gw::init(srsue::pdcp_interface_gw *pdcp_, srsue::ue_interface *ue_, log *gw_log_, uint32_t lcid_)
void gw::init(pdcp_interface_gw *pdcp_, nas_interface_gw *nas_, srslte::log *gw_log_, uint32_t lcid_)
{
pool = byte_buffer_pool::get_instance();
pool = srslte::byte_buffer_pool::get_instance();
pdcp = pdcp_;
ue = ue_;
nas = nas_;
gw_log = gw_log_;
lcid = lcid_;
run_enable = true;
@ -107,7 +107,7 @@ void gw::get_metrics(gw_metrics_t &m)
/*******************************************************************************
PDCP interface
*******************************************************************************/
void gw::write_pdu(uint32_t lcid, byte_buffer_t *pdu)
void gw::write_pdu(uint32_t lcid, srslte::byte_buffer_t *pdu)
{
gw_log->info_hex(pdu->msg, pdu->N_bytes, "RX PDU");
gw_log->info("RX PDU. Stack latency: %ld us\n", pdu->get_latency_us());
@ -128,7 +128,7 @@ void gw::write_pdu(uint32_t lcid, byte_buffer_t *pdu)
/*******************************************************************************
NAS interface
*******************************************************************************/
error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
srslte::error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
{
if (ip_addr != current_ip_addr) {
if(!if_up)
@ -136,7 +136,7 @@ error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
if(init_if(err_str))
{
gw_log->error("init_if failed\n");
return(ERROR_CANT_START);
return(srslte::ERROR_CANT_START);
}
}
@ -149,7 +149,7 @@ error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
err_str = strerror(errno);
gw_log->debug("Failed to set socket address: %s\n", err_str);
close(tun_fd);
return(ERROR_CANT_START);
return(srslte::ERROR_CANT_START);
}
ifr.ifr_netmask.sa_family = AF_INET;
((struct sockaddr_in *)&ifr.ifr_netmask)->sin_addr.s_addr = inet_addr("255.255.255.0");
@ -158,7 +158,7 @@ error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
err_str = strerror(errno);
gw_log->debug("Failed to set socket netmask: %s\n", err_str);
close(tun_fd);
return(ERROR_CANT_START);
return(srslte::ERROR_CANT_START);
}
current_ip_addr = ip_addr;
@ -167,59 +167,59 @@ error_t gw::setup_if_addr(uint32_t ip_addr, char *err_str)
start(GW_THREAD_PRIO);
}
return(ERROR_NONE);
return(srslte::ERROR_NONE);
}
error_t gw::init_if(char *err_str)
srslte::error_t gw::init_if(char *err_str)
{
if(if_up)
{
return(ERROR_ALREADY_STARTED);
}
if(if_up)
{
return(srslte::ERROR_ALREADY_STARTED);
}
char dev[IFNAMSIZ] = "tun_srsue";
char dev[IFNAMSIZ] = "tun_srsue";
// Construct the TUN device
tun_fd = open("/dev/net/tun", O_RDWR);
gw_log->info("TUN file descriptor = %d\n", tun_fd);
if(0 > tun_fd)
{
err_str = strerror(errno);
gw_log->debug("Failed to open TUN device: %s\n", err_str);
return(ERROR_CANT_START);
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ);
if(0 > ioctl(tun_fd, TUNSETIFF, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to set TUN device name: %s\n", err_str);
close(tun_fd);
return(ERROR_CANT_START);
}
// Construct the TUN device
tun_fd = open("/dev/net/tun", O_RDWR);
gw_log->info("TUN file descriptor = %d\n", tun_fd);
if(0 > tun_fd)
{
err_str = strerror(errno);
gw_log->debug("Failed to open TUN device: %s\n", err_str);
return(srslte::ERROR_CANT_START);
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ);
if(0 > ioctl(tun_fd, TUNSETIFF, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to set TUN device name: %s\n", err_str);
close(tun_fd);
return(srslte::ERROR_CANT_START);
}
// Bring up the interface
sock = socket(AF_INET, SOCK_DGRAM, 0);
if(0 > ioctl(sock, SIOCGIFFLAGS, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to bring up socket: %s\n", err_str);
close(tun_fd);
return(ERROR_CANT_START);
}
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
if(0 > ioctl(sock, SIOCSIFFLAGS, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to set socket flags: %s\n", err_str);
close(tun_fd);
return(ERROR_CANT_START);
}
// Bring up the interface
sock = socket(AF_INET, SOCK_DGRAM, 0);
if(0 > ioctl(sock, SIOCGIFFLAGS, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to bring up socket: %s\n", err_str);
close(tun_fd);
return(srslte::ERROR_CANT_START);
}
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
if(0 > ioctl(sock, SIOCSIFFLAGS, &ifr))
{
err_str = strerror(errno);
gw_log->debug("Failed to set socket flags: %s\n", err_str);
close(tun_fd);
return(srslte::ERROR_CANT_START);
}
if_up = true;
if_up = true;
return(ERROR_NONE);
return(srslte::ERROR_NONE);
}
/********************/
@ -227,65 +227,81 @@ error_t gw::init_if(char *err_str)
/********************/
void gw::run_thread()
{
struct iphdr *ip_pkt;
uint32 idx = 0;
int32 N_bytes;
byte_buffer_t *pdu = pool_allocate;
struct iphdr *ip_pkt;
uint32 idx = 0;
int32 N_bytes;
srslte::byte_buffer_t *pdu = pool_allocate;
gw_log->info("GW IP packet receiver thread run_enable\n");
const static uint32_t ATTACH_TIMEOUT_MS = 2000;
uint32_t attach_cnt = 0;
running = true;
while(run_enable)
{
if (SRSLTE_MAX_BUFFER_SIZE_BYTES-SRSLTE_BUFFER_HEADER_OFFSET > idx) {
N_bytes = read(tun_fd, &pdu->msg[idx], SRSLTE_MAX_BUFFER_SIZE_BYTES-SRSLTE_BUFFER_HEADER_OFFSET - idx);
} else {
gw_log->error("GW pdu buffer full - gw receive thread exiting.\n");
gw_log->console("GW pdu buffer full - gw receive thread exiting.\n");
break;
}
gw_log->debug("Read %d bytes from TUN fd=%d, idx=%d\n", N_bytes, tun_fd, idx);
if(N_bytes > 0)
{
pdu->N_bytes = idx + N_bytes;
ip_pkt = (struct iphdr*)pdu->msg;
gw_log->info("GW IP packet receiver thread run_enable\n");
// Warning: Accept only IPv4 packets
if (ip_pkt->version == 4) {
// Check if entire packet was received
if(ntohs(ip_pkt->tot_len) == pdu->N_bytes)
{
gw_log->info_hex(pdu->msg, pdu->N_bytes, "TX PDU");
if (!run_enable) {
break;
}
// Send PDU directly to PDCP
pdu->set_timestamp();
ul_tput_bytes += pdu->N_bytes;
pdcp->write_sdu(lcid, pdu);
do {
pdu = pool_allocate;
if (!pdu) {
printf("Not enough buffers in pool\n");
usleep(100000);
}
} while(!pdu);
idx = 0;
}else{
idx += N_bytes;
}
}
}else{
gw_log->error("Failed to read from TUN interface - gw receive thread exiting.\n");
gw_log->console("Failed to read from TUN interface - gw receive thread exiting.\n");
break;
}
running = true;
while(run_enable)
{
if (SRSLTE_MAX_BUFFER_SIZE_BYTES-SRSLTE_BUFFER_HEADER_OFFSET > idx) {
N_bytes = read(tun_fd, &pdu->msg[idx], SRSLTE_MAX_BUFFER_SIZE_BYTES-SRSLTE_BUFFER_HEADER_OFFSET - idx);
} else {
gw_log->error("GW pdu buffer full - gw receive thread exiting.\n");
gw_log->console("GW pdu buffer full - gw receive thread exiting.\n");
break;
}
running = false;
gw_log->info("GW IP receiver thread exiting.\n");
gw_log->debug("Read %d bytes from TUN fd=%d, idx=%d\n", N_bytes, tun_fd, idx);
if(N_bytes > 0)
{
pdu->N_bytes = idx + N_bytes;
ip_pkt = (struct iphdr*)pdu->msg;
// Warning: Accept only IPv4 packets
if (ip_pkt->version == 4) {
// Check if entire packet was received
if(ntohs(ip_pkt->tot_len) == pdu->N_bytes)
{
gw_log->info_hex(pdu->msg, pdu->N_bytes, "TX PDU");
while(run_enable && !pdcp->is_drb_enabled(lcid)) {
if (attach_cnt == 0) {
gw_log->info("LCID=%d not active, requesting NAS attach\n", lcid);
nas->attach_request();
}
attach_cnt++;
if (attach_cnt == ATTACH_TIMEOUT_MS) {
attach_cnt = 0;
}
usleep(1000);
}
attach_cnt = 0;
if (!run_enable) {
break;
}
// Send PDU directly to PDCP
pdu->set_timestamp();
ul_tput_bytes += pdu->N_bytes;
pdcp->write_sdu(lcid, pdu);
do {
pdu = pool_allocate;
if (!pdu) {
printf("Not enough buffers in pool\n");
usleep(100000);
}
} while(!pdu);
idx = 0;
}else{
idx += N_bytes;
}
}
}else{
gw_log->error("Failed to read from TUN interface - gw receive thread exiting.\n");
gw_log->console("Failed to read from TUN interface - gw receive thread exiting.\n");
break;
}
}
running = false;
gw_log->info("GW IP receiver thread exiting.\n");
}
} // namespace srsue

8
srsue/src/upper/nas.cc
View File

@ -74,7 +74,12 @@ void nas::attach_request() {
} else if (plmn_selection == PLMN_SELECTED) {
nas_log->info("Selecting PLMN %s\n", plmn_id_to_c_str(current_plmn).c_str());
rrc->plmn_select(current_plmn);
selecting_plmn = current_plmn;
}
} else if (state == EMM_STATE_REGISTERED) {
nas_log->info("NAS state is registered, connecting to same PLMN\n");
rrc->plmn_select(current_plmn);
selecting_plmn = current_plmn;
} else {
nas_log->info("Attach request ignored. State = %s\n", emm_state_text[state]);
}
@ -97,6 +102,7 @@ void nas::plmn_found(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id, uint16_t tracking_
nas_log->info("Detected known PLMN %s\n", plmn_id_to_c_str(plmn_id).c_str());
if (plmn_id.mcc == home_plmn.mcc && plmn_id.mnc == home_plmn.mnc) {
rrc->plmn_select(plmn_id);
selecting_plmn = plmn_id;
}
return;
}
@ -107,6 +113,7 @@ void nas::plmn_found(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id, uint16_t tracking_
tracking_area_code);
if (plmn_id.mcc == home_plmn.mcc && plmn_id.mnc == home_plmn.mnc) {
rrc->plmn_select(plmn_id);
selecting_plmn = plmn_id;
}
}
@ -317,6 +324,7 @@ void nas::parse_attach_accept(uint32_t lcid, byte_buffer_t *pdu) {
// FIXME: Setup the default EPS bearer context
state = EMM_STATE_REGISTERED;
current_plmn = selecting_plmn;
// Send EPS bearer context accept and attach complete
count_ul++;

1266
srsue/src/upper/rrc.cc
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