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srsRAN_4G/srsenb/test/upper/ip_test.cc

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#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <arpa/inet.h>
#include <linux/ip.h>
#include <linux/if.h>
#include <linux/if_tun.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <stdio.h>
#include <unistd.h>
#include "mac/mac.h"
#include "phy/phy.h"
#include "srslte/common/threads.h"
#include "srslte/interfaces/enb_interfaces.h"
#include "srslte/common/common.h"
#include "srslte/common/buffer_pool.h"
#include "srslte/common/logger_file.h"
#include "srslte/common/log_filter.h"
#include "srslte/upper/rlc.h"
#include "srslte/radio/radio.h"
#include "srslte/phy/utils/debug.h"
#define START_TUNTAP
#define USE_RADIO
/**********************************************************************
* Program arguments processing
***********************************************************************/
#define LCID 3
typedef struct {
float rx_freq;
float tx_freq;
float rx_gain;
float tx_gain;
bool enable_gui;
int time_adv;
std::string ip_address;
}prog_args_t;
uint32_t srsapps_verbose = 1;
prog_args_t prog_args;
void args_default(prog_args_t *args) {
args->rx_freq = 2.505e9;
args->tx_freq = 2.625e9;
args->rx_gain = 50.0;
args->tx_gain = 70.0;
args->enable_gui = false;
args->time_adv = -1; // calibrated for b210
args->ip_address = "192.168.3.1";
}
void usage(prog_args_t *args, char *prog) {
printf("Usage: %s [gGIrfFdv] \n", prog);
printf("\t-f RX frequency [Default %.1f MHz]\n", args->rx_freq/1e6);
printf("\t-F TX frequency [Default %.1f MHz]\n", args->tx_freq/1e6);
printf("\t-g RX gain [Default %.1f]\n", args->rx_gain);
printf("\t-G TX gain [Default %.1f]\n", args->tx_gain);
printf("\t-I IP address [Default %s]\n", args->ip_address.c_str());
printf("\t-t time advance (in samples) [Default %d]\n", args->time_adv);
printf("\t-d Enable gui [Default disabled]\n");
printf("\t-v [increase verbosity, default none]\n");
}
void parse_args(prog_args_t *args, int argc, char **argv) {
int opt;
args_default(args);
while ((opt = getopt(argc, argv, "gGfFItdv")) != -1) {
switch (opt) {
case 'd':
args->enable_gui = true;
break;
case 'g':
args->rx_gain = atof(argv[optind]);
break;
case 'G':
args->tx_gain = atof(argv[optind]);
break;
case 'f':
args->rx_freq = atof(argv[optind]);
break;
case 'F':
args->tx_freq = atof(argv[optind]);
break;
case 'I':
args->ip_address = argv[optind];
break;
case 't':
args->time_adv = atoi(argv[optind]);
break;
case 'v':
srsapps_verbose++;
break;
default:
usage(args, argv[0]);
exit(-1);
}
}
if (args->rx_freq < 0 || args->tx_freq < 0) {
usage(args, argv[0]);
exit(-1);
}
}
LIBLTE_BYTE_MSG_STRUCT sib_buffer[2];
int setup_if_addr(char *ip_addr);
class tester : public srsue::pdcp_interface_rlc,
public srsue::rrc_interface_rlc,
public srsue::ue_interface,
public srsenb::rlc_interface_mac,
public srsenb::rrc_interface_mac,
public thread
{
public:
tester() {
rnti = 0;
}
void init(srslte::rlc *rlc_, srsenb::mac *mac_, srsenb::phy *phy_, srslte::log *log_h_, std::string ip_address) {
log_h = log_h_;
rlc = rlc_;
mac = mac_;
phy = phy_;
tun_fd = 0;
#ifdef START_TUNTAP
if (init_tuntap((char*) ip_address.c_str())) {
log_h->error("Initiating IP address\n");
}
#endif
pool = srslte::byte_buffer_pool::get_instance();
// Start reader thread
running=true;
start();
}
void write_pdu_bcch_bch(srslte::byte_buffer_t *sdu) {}
void write_pdu_bcch_dlsch(srslte::byte_buffer_t *sdu) {}
void write_pdu_pcch(srslte::byte_buffer_t *sdu) {}
void max_retx_attempted(){}
void add_user(uint16_t rnti) {}
void release_user(uint16_t rnti) {}
void upd_user(uint16_t rnti, uint16_t old_rnti) {}
void set_activity_user(uint16_t rnti) {}
bool is_paging_opportunity(uint32_t tti, uint32_t *payload_len) {return false;}
void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size) {}
std::string get_rb_name(uint32_t lcid) { return std::string("lcid"); }
void write_pdu(uint32_t lcid, srslte::byte_buffer_t *sdu)
{
int n = write(tun_fd, sdu->msg, sdu->N_bytes);
if (n != (int) sdu->N_bytes) {
log_h->error("TUN/TAP write failure n=%d, nof_bytes=%d\n", n, sdu->N_bytes);
return;
}
log_h->debug_hex(sdu->msg, sdu->N_bytes,
"Wrote %d bytes to TUN/TAP\n",
sdu->N_bytes);
pool->deallocate(sdu);
}
int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
{
return rlc->read_pdu(lcid, payload, nof_bytes);
}
void read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t payload[srsenb::sched_interface::MAX_SIB_PAYLOAD_LEN])
{
if (sib_index < 2) {
memcpy(payload, sib_buffer[sib_index].msg, sib_buffer[sib_index].N_bytes);
}
}
void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
{
srslte::byte_buffer_t *sdu = NULL;
log_h->info("Received PDU rnti=0x%x, lcid=%d, nof_bytes=%d\n", rnti, lcid, nof_bytes);
switch(lcid) {
case LCID:
rlc->write_pdu(lcid, payload, nof_bytes);
break;
case 0:
log_h->info("Received ConnectionRequest from rnti=0x%x\n", rnti);
// Configure User in MAC
srsenb::sched_interface::ue_cfg_t uecfg;
bzero(&uecfg, sizeof(srsenb::sched_interface::ue_cfg_t));
uecfg.maxharq_tx = 5;
uecfg.continuous_pusch = false;
uecfg.ue_bearers[0].direction = srsenb::sched_interface::ue_bearer_cfg_t::BOTH;
uecfg.ue_bearers[LCID].direction = srsenb::sched_interface::ue_bearer_cfg_t::BOTH;
mac->ue_cfg(rnti, &uecfg);
// configure DRB1 as UM
LIBLTE_RRC_RLC_CONFIG_STRUCT cfg;
bzero(&cfg, sizeof(LIBLTE_RRC_RLC_CONFIG_STRUCT));
cfg.rlc_mode = LIBLTE_RRC_RLC_MODE_UM_BI;
cfg.dl_um_bi_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS100;
cfg.dl_um_bi_rlc.sn_field_len = LIBLTE_RRC_SN_FIELD_LENGTH_SIZE10;
cfg.ul_um_bi_rlc.sn_field_len = LIBLTE_RRC_SN_FIELD_LENGTH_SIZE10;
rlc->add_bearer(LCID, &cfg);
// Send dummy ConnectionSetup. MAC will send contention resolution ID automatically.
log_h->info("Sending ConnectionSetup\n");
sdu = pool_allocate;
sdu->msg[0] = 0xab;
sdu->N_bytes = 1;
rlc->write_sdu(0, sdu);
// Indicate RLC status to mac
mac->rlc_buffer_state(rnti, 0, 1, 0);
LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT dedicated;
bzero(&dedicated, sizeof(LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT));
dedicated.pusch_cnfg_ded.beta_offset_ack_idx = 5;
dedicated.pusch_cnfg_ded.beta_offset_ri_idx = 12;
dedicated.pusch_cnfg_ded.beta_offset_cqi_idx = 15;
dedicated.pusch_cnfg_ded_present = true;
dedicated.sched_request_cnfg.dsr_trans_max = LIBLTE_RRC_DSR_TRANS_MAX_N4;
dedicated.sched_request_cnfg.sr_pucch_resource_idx = 0;
dedicated.sched_request_cnfg.sr_cnfg_idx = 35;
dedicated.sched_request_cnfg_present = true;
phy->set_config_dedicated(rnti, &dedicated);
usleep(500);
break;
default:
log_h->error("Received message for lcid=%d\n", lcid);
break;
}
}
void rl_failure(uint16_t rnti)
{
log_h->console("Disconnecting rnti=0x%x.\n", rnti);
mac->ue_rem(rnti);
rlc->reset();
}
private:
int tun_fd;
bool running;
srslte::log *log_h;
srslte::byte_buffer_pool *pool;
srslte::rlc *rlc;
srsenb::mac *mac;
srsenb::phy *phy;
uint16_t rnti;
bool read_enable;
int init_tuntap(char *ip_address) {
read_enable = true;
tun_fd = setup_if_addr(ip_address);
if (tun_fd<0) {
fprintf(stderr, "Error setting up IP %s\n", ip_address);
return -1;
}
printf("Created tun/tap interface at IP %s\n", ip_address);
return 0;
}
void run_thread() {
struct iphdr *ip_pkt;
uint32_t idx = 0;
int32_t N_bytes = 0;
srslte::byte_buffer_t *pdu = pool_allocate;
log_h->info("TUN/TAP reader thread running\n");
int first=1;
while(running) {
if (tun_fd > 0) {
pdu->msg[0] = 0x0;
N_bytes = read(tun_fd, &pdu->msg[idx], SRSLTE_MAX_BUFFER_SIZE_BYTES-SRSLTE_BUFFER_HEADER_OFFSET - idx);
}
if(N_bytes > 0)
{
if (read_enable && pdu->msg[0] != 0x60) {
pdu->N_bytes = idx + N_bytes;
ip_pkt = (struct iphdr*)pdu->msg;
log_h->debug_hex(pdu->msg, pdu->N_bytes,
"Read %d bytes from TUN/TAP\n",
N_bytes);
// Check if entire packet was received
if(ntohs(ip_pkt->tot_len) == pdu->N_bytes)
{
// Send PDU directly to RLC
pdu->set_timestamp();
rlc->write_sdu(LCID, pdu);
// Indicate RLC status to mac
mac->rlc_buffer_state(rnti, LCID, rlc->get_buffer_state(LCID), 0);
pdu = pool_allocate;
idx = 0;
} else{
idx += N_bytes;
}
}
}else{
log_h->error("Failed to read from TUN interface - gw receive thread exiting.\n");
break;
}
}
}
};
// Create classes
srslte::logger_file logger;
srslte::log_filter log_phy;
srslte::log_filter log_mac;
srslte::log_filter log_rlc;
srslte::log_filter log_tester;
srsenb::phy my_phy;
srsenb::mac my_mac;
srslte::rlc my_rlc;
srslte::radio my_radio;
// Local classes for testing
tester my_tester;
void generate_cell_configuration(srsenb::sched_interface::cell_cfg_t *mac_cfg, srsenb::phy_cfg_t *phy_cfg)
{
// Main cell configuration
srslte_cell_t cell;
cell.id = 0;
cell.cp = SRSLTE_CP_NORM;
cell.nof_ports = 1;
cell.nof_prb = 25;
cell.phich_length = SRSLTE_PHICH_NORM;
cell.phich_resources = SRSLTE_PHICH_R_1;
// Generate SIB1
LIBLTE_RRC_BCCH_DLSCH_MSG_STRUCT msg[2];
bzero(&msg[0], sizeof(LIBLTE_RRC_BCCH_DLSCH_MSG_STRUCT));
bzero(&msg[1], sizeof(LIBLTE_RRC_BCCH_DLSCH_MSG_STRUCT));
msg[0].N_sibs = 1;
msg[0].sibs[0].sib_type = LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_1;
LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_1_STRUCT *sib1 = &msg[0].sibs[0].sib.sib1;
sib1->cell_id = 0x1234;
sib1->tracking_area_code = 0x1234;
sib1->freq_band_indicator = 2;
sib1->N_plmn_ids = 1;
sib1->plmn_id[0].id.mcc = 1;
sib1->plmn_id[0].id.mnc = 1;
sib1->plmn_id[0].resv_for_oper = LIBLTE_RRC_NOT_RESV_FOR_OPER;
sib1->cell_barred = LIBLTE_RRC_CELL_NOT_BARRED;
sib1->intra_freq_reselection = LIBLTE_RRC_INTRA_FREQ_RESELECTION_ALLOWED;
sib1->q_rx_lev_min = -140;
sib1->q_rx_lev_min_offset = 1;
sib1->p_max = 10;
sib1->p_max_present = true;
sib1->si_window_length = LIBLTE_RRC_SI_WINDOW_LENGTH_MS40;
sib1->N_sched_info = 1;
sib1->sched_info[0].si_periodicity = LIBLTE_RRC_SI_PERIODICITY_RF16;
sib1->sched_info[0].N_sib_mapping_info = 0;
sib1->system_info_value_tag = 8;
// Generate SIB2
msg[1].N_sibs = 2;
msg[1].sibs[0].sib_type = LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2;
msg[1].sibs[1].sib_type = LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_3;
LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT *sib2 = &msg[1].sibs[0].sib.sib2;
// RACH configuration
sib2->rr_config_common_sib.rach_cnfg.num_ra_preambles = LIBLTE_RRC_NUMBER_OF_RA_PREAMBLES_N64;
sib2->rr_config_common_sib.rach_cnfg.preambles_group_a_cnfg.present = false;
sib2->rr_config_common_sib.rach_cnfg.preamble_init_rx_target_pwr = LIBLTE_RRC_PREAMBLE_INITIAL_RECEIVED_TARGET_POWER_DBM_N90;
sib2->rr_config_common_sib.rach_cnfg.pwr_ramping_step = LIBLTE_RRC_POWER_RAMPING_STEP_DB6;
sib2->rr_config_common_sib.rach_cnfg.preamble_trans_max = LIBLTE_RRC_PREAMBLE_TRANS_MAX_N10;
sib2->rr_config_common_sib.rach_cnfg.ra_resp_win_size = LIBLTE_RRC_RA_RESPONSE_WINDOW_SIZE_SF10;
sib2->rr_config_common_sib.rach_cnfg.mac_con_res_timer = LIBLTE_RRC_MAC_CONTENTION_RESOLUTION_TIMER_SF40;
sib2->rr_config_common_sib.rach_cnfg.max_harq_msg3_tx = 4;
// BCCH
sib2->rr_config_common_sib.bcch_cnfg.modification_period_coeff = LIBLTE_RRC_MODIFICATION_PERIOD_COEFF_N16;
// PCCH
sib2->rr_config_common_sib.pcch_cnfg.default_paging_cycle = LIBLTE_RRC_DEFAULT_PAGING_CYCLE_RF128;
sib2->rr_config_common_sib.pcch_cnfg.nB = LIBLTE_RRC_NB_ONE_THIRTY_SECOND_T;
// PRACH Configuration
sib2->rr_config_common_sib.prach_cnfg.root_sequence_index = 41;
sib2->rr_config_common_sib.prach_cnfg.prach_cnfg_info.high_speed_flag = false;
sib2->rr_config_common_sib.prach_cnfg.prach_cnfg_info.prach_config_index = 4;
sib2->rr_config_common_sib.prach_cnfg.prach_cnfg_info.prach_freq_offset = 2;
sib2->rr_config_common_sib.prach_cnfg.prach_cnfg_info.zero_correlation_zone_config = 11;
// PDSCH configuration
sib2->rr_config_common_sib.pdsch_cnfg.p_b = 0;
sib2->rr_config_common_sib.pdsch_cnfg.rs_power = -5;
// PUSCH configuration
sib2->rr_config_common_sib.pusch_cnfg.n_sb = 1;
sib2->rr_config_common_sib.pusch_cnfg.hopping_mode = LIBLTE_RRC_HOPPING_MODE_INTER_SUBFRAME;
sib2->rr_config_common_sib.pusch_cnfg.pusch_hopping_offset = 4;
sib2->rr_config_common_sib.pusch_cnfg.enable_64_qam = false;
sib2->rr_config_common_sib.pusch_cnfg.ul_rs.cyclic_shift = 0;
sib2->rr_config_common_sib.pusch_cnfg.ul_rs.group_assignment_pusch = 0;
sib2->rr_config_common_sib.pusch_cnfg.ul_rs.group_hopping_enabled = false;
sib2->rr_config_common_sib.pusch_cnfg.ul_rs.sequence_hopping_enabled = false;
// PUCCH configuration
sib2->rr_config_common_sib.pucch_cnfg.delta_pucch_shift = LIBLTE_RRC_DELTA_PUCCH_SHIFT_DS2;
sib2->rr_config_common_sib.pucch_cnfg.n_rb_cqi = 2;
sib2->rr_config_common_sib.pucch_cnfg.n_cs_an = 0;
sib2->rr_config_common_sib.pucch_cnfg.n1_pucch_an = 12;
// SRS configuration
sib2->rr_config_common_sib.srs_ul_cnfg.present = false;
// UL power control
sib2->rr_config_common_sib.ul_pwr_ctrl.p0_nominal_pusch = -80;
sib2->rr_config_common_sib.ul_pwr_ctrl.alpha = LIBLTE_RRC_UL_POWER_CONTROL_ALPHA_1;
sib2->rr_config_common_sib.ul_pwr_ctrl.p0_nominal_pucch = -80;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_flist_pucch.format_1 = LIBLTE_RRC_DELTA_F_PUCCH_FORMAT_1_0;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_flist_pucch.format_1b = LIBLTE_RRC_DELTA_F_PUCCH_FORMAT_1B_5;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_flist_pucch.format_2 = LIBLTE_RRC_DELTA_F_PUCCH_FORMAT_2_2;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_flist_pucch.format_2a = LIBLTE_RRC_DELTA_F_PUCCH_FORMAT_2A_2;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_flist_pucch.format_2b = LIBLTE_RRC_DELTA_F_PUCCH_FORMAT_2B_2;
sib2->rr_config_common_sib.ul_pwr_ctrl.delta_preamble_msg3 = 4;
sib2->rr_config_common_sib.ul_cp_length = LIBLTE_RRC_UL_CP_LENGTH_1;
sib2->ue_timers_and_constants.t300 = LIBLTE_RRC_T300_MS1000;
sib2->ue_timers_and_constants.t301 = LIBLTE_RRC_T301_MS1000;
sib2->ue_timers_and_constants.n310 = LIBLTE_RRC_N310_N10;
sib2->ue_timers_and_constants.t311 = LIBLTE_RRC_T311_MS1000;
sib2->ue_timers_and_constants.n311 = LIBLTE_RRC_N311_N1;
sib2->time_alignment_timer = LIBLTE_RRC_TIME_ALIGNMENT_TIMER_INFINITY;
sib2->additional_spectrum_emission = 1;
sib2->arfcn_value_eutra.present = false;
sib2->ul_bw.present = false;
LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_3_STRUCT *sib3 = &msg[1].sibs[1].sib.sib3;
bzero(sib3, sizeof(LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_3_STRUCT));
sib3->q_hyst = LIBLTE_RRC_Q_HYST_DB_2;
sib3->s_non_intra_search = 6;
sib3->s_non_intra_search_present = true;
sib3->thresh_serving_low = 4;
sib3->cell_resel_prio = 6;
sib3->q_rx_lev_min = -122;
sib3->p_max = 23;
sib3->p_max_present = true;
sib3->s_intra_search = 10;
sib3->s_intra_search_present = true;
sib3->presence_ant_port_1 = true;
sib3->neigh_cell_cnfg = 1;
sib3->t_resel_eutra = 1;
// Genreate payload
LIBLTE_BIT_MSG_STRUCT bitbuffer[2];
for (int i=0;i<2;i++) {
liblte_rrc_pack_bcch_dlsch_msg(&msg[i], &bitbuffer[i]);
srslte_bit_pack_vector(bitbuffer[i].msg, sib_buffer[i].msg, bitbuffer[i].N_bits);
sib_buffer[i].N_bytes = (bitbuffer[i].N_bits-1)/8+1;
}
// Fill MAC scheduler configuration
bzero(mac_cfg, sizeof(srsenb::sched_interface::cell_cfg_t));
memcpy(&mac_cfg->cell, &cell, sizeof(srslte_cell_t));
mac_cfg->sibs[0].len = sib_buffer[0].N_bytes;
mac_cfg->sibs[0].period_rf = 8; // Fixed to 8 rf
mac_cfg->sibs[1].len = sib_buffer[1].N_bytes;
mac_cfg->sibs[1].period_rf = liblte_rrc_si_periodicity_num[sib1->sched_info[0].si_periodicity];
mac_cfg->si_window_ms = liblte_rrc_si_window_length_num[sib1->si_window_length];
mac_cfg->prach_rar_window = liblte_rrc_ra_response_window_size_num[sib2->rr_config_common_sib.rach_cnfg.ra_resp_win_size];
// Copy PHY common configuration
bzero(phy_cfg, sizeof(srsenb::phy_cfg_t));
memcpy(&phy_cfg->cell, &cell, sizeof(srslte_cell_t));
memcpy(&phy_cfg->prach_cnfg, &sib2->rr_config_common_sib.prach_cnfg, sizeof(LIBLTE_RRC_PRACH_CONFIG_SIB_STRUCT));
memcpy(&phy_cfg->pdsch_cnfg, &sib2->rr_config_common_sib.pdsch_cnfg, sizeof(LIBLTE_RRC_PDSCH_CONFIG_COMMON_STRUCT));
memcpy(&phy_cfg->pusch_cnfg, &sib2->rr_config_common_sib.pusch_cnfg, sizeof(LIBLTE_RRC_PUSCH_CONFIG_COMMON_STRUCT));
memcpy(&phy_cfg->pucch_cnfg, &sib2->rr_config_common_sib.pucch_cnfg, sizeof(LIBLTE_RRC_PUCCH_CONFIG_COMMON_STRUCT));
memcpy(&phy_cfg->srs_ul_cnfg, &sib2->rr_config_common_sib.srs_ul_cnfg, sizeof(LIBLTE_RRC_SRS_UL_CONFIG_COMMON_STRUCT));
}
int main(int argc, char *argv[])
{
parse_args(&prog_args, argc, argv);
logger.init("/tmp/ip_test.log");
log_phy.init("PHY ", &logger, true);
log_mac.init("MAC ", &logger, true);
log_rlc.init("RLC ", &logger);
log_tester.init("TEST", &logger);
logger.log("\n\n");
if (srsapps_verbose == 1) {
log_phy.set_level(srslte::LOG_LEVEL_INFO);
log_phy.set_hex_limit(100);
log_mac.set_level(srslte::LOG_LEVEL_DEBUG);
log_mac.set_hex_limit(100);
log_rlc.set_level(srslte::LOG_LEVEL_DEBUG);
log_rlc.set_hex_limit(1000);
log_tester.set_level(srslte::LOG_LEVEL_DEBUG);
log_tester.set_hex_limit(100);
printf("Log level info\n");
}
if (srsapps_verbose == 2) {
log_phy.set_level(srslte::LOG_LEVEL_DEBUG);
log_phy.set_hex_limit(100);
log_mac.set_level(srslte::LOG_LEVEL_DEBUG);
log_mac.set_hex_limit(100);
log_rlc.set_level(srslte::LOG_LEVEL_DEBUG);
log_rlc.set_hex_limit(100);
log_tester.set_level(srslte::LOG_LEVEL_DEBUG);
log_tester.set_hex_limit(100);
srslte_verbose = SRSLTE_VERBOSE_DEBUG;
printf("Log level debug\n");
}
// Init Radio and PHY
#ifdef USE_RADIO
my_radio.init();
#else
my_radio.init(NULL, (char*) "dummy");
#endif
my_radio.set_tx_freq(prog_args.tx_freq);
my_radio.set_tx_gain(prog_args.tx_gain);
my_radio.set_rx_freq(prog_args.rx_freq);
my_radio.set_rx_gain(prog_args.rx_gain);
//my_radio.set_tx_adv_neg(true);
if (prog_args.time_adv >= 0) {
printf("Setting TA=%d samples\n", prog_args.time_adv);
my_radio.set_tx_adv(prog_args.time_adv);
}
// Configuure cell
srsenb::phy_cfg_t phy_cfg;
srsenb::sched_interface::cell_cfg_t mac_cfg;
srsenb::mac_args_t mac_args;
srsenb::phy_args_t phy_args;
mac_args.link_failure_nof_err = 10;
phy_args.equalizer_mode = "mmse";
phy_args.estimator_fil_w = 0.2;
phy_args.max_prach_offset_us = 50;
phy_args.nof_phy_threads = 1;
phy_args.pusch_max_its = 5;
generate_cell_configuration(&mac_cfg, &phy_cfg);
my_phy.init(&phy_args, &phy_cfg, &my_radio, &my_mac, &log_phy);
my_mac.init(&mac_args, &mac_cfg.cell, &my_phy, &my_tester, &my_tester, &log_mac);
my_rlc.init(&my_tester, &my_tester, &my_tester, &log_rlc, &my_mac, 0 /* SRB0 */);
my_tester.init(&my_rlc, &my_mac, &my_phy, &log_tester, prog_args.ip_address);
if (prog_args.enable_gui) {
sleep(1);
my_phy.start_plot();
}
bool running = true;
while(running) {
printf("Main running\n");
sleep(1);
}
my_phy.stop();
my_mac.stop();
}
/******************* This is copied from srsue gw **********************/
int setup_if_addr(char *ip_addr)
{
char *dev = (char*) "tun_srsenb";
// Construct the TUN device
int tun_fd = open("/dev/net/tun", O_RDWR);
if(0 > tun_fd)
{
perror("open");
return(-1);
}
struct ifreq ifr;
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))
{
perror("ioctl1");
return -1;
}
// Bring up the interface
int sock = socket(AF_INET, SOCK_DGRAM, 0);
if(0 > ioctl(sock, SIOCGIFFLAGS, &ifr))
{
perror("socket");
return -1;
}
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
if(0 > ioctl(sock, SIOCSIFFLAGS, &ifr))
{
perror("ioctl2");
return -1;
}
// Setup the IP address
sock = socket(AF_INET, SOCK_DGRAM, 0);
ifr.ifr_addr.sa_family = AF_INET;
((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr = inet_addr(ip_addr);
if(0 > ioctl(sock, SIOCSIFADDR, &ifr))
{
perror("ioctl");
return -1;
}
ifr.ifr_netmask.sa_family = AF_INET;
((struct sockaddr_in *)&ifr.ifr_netmask)->sin_addr.s_addr = inet_addr("255.255.255.0");
if(0 > ioctl(sock, SIOCSIFNETMASK, &ifr))
{
perror("ioctl");
return -1;
}
return(tun_fd);
}
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