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Merge remote-tracking branch 'origin/develop' into enhancement-74-SoDeRa

Browse Source 
Conflicts:
	cmake_targets/CMakeLists.txt
	cmake_targets/build_oai
	targets/ARCH/COMMON/common_lib.c
	targets/ARCH/COMMON/common_lib.h
	targets/RT/USER/lte-softmodem.c
This commit is contained in:
kaltenbe
2016-02-16 15:45:12 +01:00
parent 7998985dd5 f65b478c86
commit d9ec978c9c
38 changed files with 4605 additions and 1561 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
+88 -9
View File
@@ -38,6 +38,11 @@
#include <inttypes.h>
#include "bladerf_lib.h"
/** @addtogroup _BLADERF_PHY_RF_INTERFACE_
* @{
*/
//! Number of BladeRF devices
#ifdef __SSE4_1__
# include <smmintrin.h>
#endif
@@ -47,13 +52,21 @@
#endif
int num_devices=0;
/*These items configure the underlying asynch stream used by the the sync interface.
*/
int trx_brf_init(openair0_device *openair0) {
/*! \brief BladeRF Init function (not used at the moment)
* \param device RF frontend parameters set by application
*/
int trx_brf_init(openair0_device *device) {
}
/*! \brief get current timestamp
*\param device the hardware to use
*\param module the bladeRf module
*/
openair0_timestamp trx_get_timestamp(openair0_device *device, bladerf_module module) {
int status;
@@ -69,17 +82,29 @@ openair0_timestamp trx_get_timestamp(openair0_device *device, bladerf_module mod
return meta.timestamp;
}
int trx_brf_start(openair0_device *openair0) {
/*! \brief Start BladeRF
*\param device the hardware to use
*/
int trx_brf_start(openair0_device *device) {
return 0;
}
/*! \brief Get BladeRF stats
*\param device the hardware to use
*/
static void trx_brf_stats(openair0_device *device){
}
/*! \brief Called to send samples to the BladeRF RF target
@param device pointer to the device structure specific to the RF hardware target
@param timestamp The timestamp at whicch the first sample MUST be sent
@param buff Buffer which holds the samples
@param nsamps number of samples to be sent
@param cc index of the component carrier
*/
static int trx_brf_write(openair0_device *device,openair0_timestamp ptimestamp, void **buff, int nsamps, int cc) {
int status;
@@ -121,6 +146,16 @@ static int trx_brf_write(openair0_device *device,openair0_timestamp ptimestamp,
return(0);
}
/*! \brief Receive samples from hardware.
* Read \ref nsamps samples from each channel to buffers. buff[0] is the array for
* the first channel. *ptimestamp is the time at which the first sample
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param cc Index of component carrier
*/
static int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc) {
int status=0;
@@ -157,6 +192,9 @@ static int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp,
}
/*! \brief Terminate operation of the BladeRF transceiver -- free all associated resources
* \param device the hardware to use
*/
int trx_brf_end(openair0_device *device) {
int status;
@@ -172,25 +210,39 @@ int trx_brf_end(openair0_device *device) {
return 0;
}
/*! \brief print the BladeRF statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_brf_get_stats(openair0_device* device) {
return(0);
}
/*! \brief Reset the BladeRF statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_brf_reset_stats(openair0_device* device) {
return(0);
}
/*! \brief Stop USRP
* \param device the hardware to use
*/
int trx_brf_stop(openair0_device* device) {
return(0);
}
/*! \brief Set frequencies (TX/RX)
* \param device the hardware to use
* \returns 0 in success
*/
int trx_brf_set_freq(openair0_device* device) {
int status;
@@ -213,12 +265,19 @@ int trx_brf_set_freq(openair0_device* device) {
return(0);
}
/*! \brief Set Gains (TX/RX)
* \param device the hardware to use
* \returns 0 in success
*/
int trx_brf_set_gains(openair0_device* device) {
return(0);
}
#define RXDCLENGTH 16384
int16_t cos_fsover8[8] = {2047, 1447, 0, -1448, -2047, -1448, 0, 1447};
int16_t cos_3fsover8[8] = {2047, -1448, 0, 1447, -2047, 1447, 0, -1448};
@@ -822,15 +881,23 @@ void calibrate_rf(openair0_device *device) {
// write_output("blade_rf_test.m","rxs",calib_buff,RXDCLENGTH,1,1);
}
int openair0_dev_init_bladerf(openair0_device *device, openair0_config_t *openair0_cfg) {
/*! \brief Initialize Openair BLADERF target. It returns 0 if OK
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
*/
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
int status;
int card=0;
brf_state_t *brf = (brf_state_t*)malloc(sizeof(brf_state_t));
memset(brf, 0, sizeof(brf_state_t));
/* device specific */
openair0_cfg->txlaunch_wait = 1;//manage when TX processing is triggered
openair0_cfg->txlaunch_wait_slotcount = 1; //manage when TX processing is triggered
openair0_cfg->iq_txshift = 0;// shift
openair0_cfg->iq_rxrescale = 15;//rescale iqs
// init required params
switch ((int)openair0_cfg->sample_rate) {
case 30720000:
openair0_cfg->samples_per_packet = 2048;
@@ -857,7 +924,8 @@ int openair0_dev_init_bladerf(openair0_device *device, openair0_config_t *openai
exit(-1);
break;
}
openair0_cfg->iq_txshift= 0;
openair0_cfg->iq_rxrescale = 15; /*not sure*/
openair0_cfg->rx_gain_calib_table = calib_table_fx4;
// The number of buffers to use in the underlying data stream
@@ -1001,6 +1069,7 @@ int openair0_dev_init_bladerf(openair0_device *device, openair0_config_t *openai
printf("BLADERF: Initializing openair0_device\n");
device->priv = brf;
device->Mod_id = num_devices++;
device->type = BLADERF_DEV;
device->trx_start_func = trx_brf_start;
device->trx_end_func = trx_brf_end;
device->trx_read_func = trx_brf_read;
@@ -1019,6 +1088,9 @@ int openair0_dev_init_bladerf(openair0_device *device, openair0_config_t *openai
return 0;
}
/*! \brief bladeRF error report
* \param status
*/
int brf_error(int status) {
//exit(-1);
@@ -1026,7 +1098,9 @@ int brf_error(int status) {
}
/*! \brief Open BladeRF from serial port
* \param serial name of serial port on which to open BladeRF device
*/
struct bladerf * open_bladerf_from_serial(const char *serial) {
int status;
@@ -1053,6 +1127,10 @@ struct bladerf * open_bladerf_from_serial(const char *serial) {
return dev;
}
}
/*! \brief Get BladeRF log level
* \param log_level log level
*/
int get_brf_log_level(int log_level){
int level=BLADERF_LOG_LEVEL_INFO;
@@ -1081,3 +1159,4 @@ int get_brf_log_level(int log_level){
}
return level;
}
/*@}*/
targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.h
+32 -7
View File
@@ -37,45 +37,69 @@
#include "common_lib.h"
#include "log.h"
/** @addtogroup _BLADERF_PHY_RF_INTERFACE_
* @{
*/
/*! \brief BladeRF specific data structure */
typedef struct {
// opaque BRF data struct
//! opaque BladeRF device struct. An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)
struct bladerf *dev;
// An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)
//! Number of buffers
unsigned int num_buffers;
//! Buffer size
unsigned int buffer_size;
//! Number of transfers
unsigned int num_transfers;
//! RX timeout
unsigned int rx_timeout_ms;
//! TX timeout
unsigned int tx_timeout_ms;
//! Metadata for RX
struct bladerf_metadata meta_rx;
//!Metadata for TX
struct bladerf_metadata meta_tx;
//! Sample rate
unsigned int sample_rate;
// time offset between transmiter timestamp and receiver timestamp;
//! time offset between transmiter timestamp and receiver timestamp;
double tdiff;
// use brf_time_offset to get this value
//! TX number of forward samples use brf_time_offset to get this value
int tx_forward_nsamps; //166 for 20Mhz
// --------------------------------
// Debug and output control
// --------------------------------
//! Number of underflows
int num_underflows;
//! Number of overflows
int num_overflows;
//! number of sequential errors
int num_seq_errors;
//! number of RX errors
int num_rx_errors;
//! Number of TX errors
int num_tx_errors;
//! timestamp of current TX
uint64_t tx_current_ts;
//! timestamp of current RX
uint64_t rx_current_ts;
//! number of actual samples transmitted
uint64_t tx_actual_nsamps;
//! number of actual samples received
uint64_t rx_actual_nsamps;
//! number of TX samples
uint64_t tx_nsamps;
//! number of RX samples
uint64_t rx_nsamps;
//! number of TX count
uint64_t tx_count;
//! number of RX count
uint64_t rx_count;
//! timestamp of RX packet
openair0_timestamp rx_timestamp;
} brf_state_t;
@@ -84,3 +108,4 @@ typedef struct {
*/
int brf_error(int status);
/*@}*/
targets/ARCH/COMMON/common_lib.c
+133 -33
View File
@@ -37,40 +37,140 @@
* \warning
*/
#include <stdio.h>
#include <strings.h>
#include <dlfcn.h>
#include <errno.h>
#include <string.h>
#include "common_lib.h"
int set_device(openair0_device *device) {
int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
#ifdef ETHERNET
device->type=ETH_IF;
device->func_type = BBU_FUNC;
printf(" openair0_dev_init_eth ...\n");
return(openair0_dev_init_eth(device, openair0_cfg));
#elif EXMIMO
device->type=EXMIMO_IF;
printf("openair0_dev_init_exmimo...\n");
return(openair0_dev_init_exmimo(device, openair0_cfg));
#elif OAI_USRP
device->type=USRP_B200_IF;
openair0_dev_init_usrp(device, openair0_cfg);
printf("openair0_dev_init_usrp ...\n");
return(openair0_dev_init_usrp(device, openair0_cfg));
#elif OAI_BLADERF
device->type=BLADERF_IF;
printf("openair0_dev_init_bladerf ...\n");
return(openair0_dev_init_bladerf(device, openair0_cfg));
#elif OAI_LMSSDR
device->type=LMSSDR_IF;
printf("openair0_dev_init_lmssdr ...\n");
/*
if (openair0_cfg[0].configFilename==NULL) {
printf("Please provide a configuration file for SoDeRa\n");
exit(-1);
}*/
return(openair0_dev_init_lms(device, openair0_cfg));
#endif
switch (device->type) {
case EXMIMO_DEV:
printf("[%s] has loaded EXPRESS MIMO device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case USRP_B200_DEV:
printf("[%s] has loaded USRP B200 device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case USRP_X300_DEV:
printf("[%s] has loaded USRP X300 device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case BLADERF_DEV:
printf("[%s] has loaded BLADERF device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case LMSSDR_DEV:
printf("[%s] has loaded LMSSDR device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case NONE_DEV:
printf("[%s] has not loaded a HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
default:
printf("[%s] invalid HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return -1;
}
return 0;
}
int set_transport(openair0_device *device) {
switch (device->transp_type) {
case ETHERNET_TP:
printf("[%s] has loaded ETHERNET trasport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return 0;
break;
case NONE_TP:
printf("[%s] has not loaded a transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return 0;
break;
default:
printf("[%s] invalid transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return -1;
break;
}
}
/* look for the interface library and load it */
int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * cfg, uint8_t flag) {
void *lib_handle;
oai_device_initfunc_t dp ;
oai_transport_initfunc_t tp ;
if (flag == BBU_LOCAL_RADIO_HEAD) {
lib_handle = dlopen(OAI_RF_LIBNAME, RTLD_LAZY);
if (!lib_handle) {
printf( "Unable to locate %s: HW device set to NONE_DEV.\n", OAI_RF_LIBNAME);
return 0;
}
dp = dlsym(lib_handle,"device_init");
if (dp != NULL ) {
dp(device,openair0_cfg);
} else {
fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
return -1;
}
} else {
lib_handle = dlopen(OAI_TP_LIBNAME, RTLD_LAZY);
if (!lib_handle) {
printf( "Unable to locate %s: transport protocol set to NONE_TP.\n", OAI_TP_LIBNAME);
return 0;
}
tp = dlsym(lib_handle,"transport_init");
if (tp != NULL ) {
tp(device,openair0_cfg,cfg);
} else {
fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
return -1;
}
}
return 0;
}
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
int rc;
//ToDo: EXMIMO harmonization is not complete. That is the reason for this ifdef
#ifdef EXMIMO
device_init(device, openair0_cfg);
#else
rc=load_lib(device, openair0_cfg, NULL,BBU_LOCAL_RADIO_HEAD );
if ( rc >= 0) {
if ( set_device(device) < 0) {
fprintf(stderr, "%s %d:Unsupported radio head\n",__FILE__, __LINE__);
return -1;
}
}
#endif
return 0;
}
int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params) {
int rc;
rc=load_lib(device, openair0_cfg, eth_params, BBU_REMOTE_RADIO_HEAD);
if ( rc >= 0) {
if ( set_transport(device) < 0) {
fprintf(stderr, "%s %d:Unsupported transport protocol\n",__FILE__, __LINE__);
return -1;
}
}
return 0;
}
targets/ARCH/COMMON/common_lib.h
+137 -79
View File
@@ -42,11 +42,20 @@
#include <stdint.h>
#include <sys/types.h>
/* name of shared library implementing the radio front end */
#define OAI_RF_LIBNAME "liboai_device.so"
/* name of shared library implementing the transport */
#define OAI_TP_LIBNAME "liboai_transpro.so"
/* flags for BBU to determine whether the attached radio head is local or remote */
#define BBU_LOCAL_RADIO_HEAD 0
#define BBU_REMOTE_RADIO_HEAD 1
typedef int64_t openair0_timestamp;
typedef volatile int64_t openair0_vtimestamp;
/* structrue holds the parameters to configure USRP devices*/
/*!\brief structrue holds the parameters to configure USRP devices*/
typedef struct openair0_device_t openair0_device;
@@ -65,10 +74,56 @@ typedef enum {
} duplex_mode_t;
/** @addtogroup _PHY_RF_INTERFACE_
/** @addtogroup _GENERIC_PHY_RF_INTERFACE_
* @{
*/
/*!\brief RF device types
*/
typedef enum {
MIN_RF_DEV_TYPE = 0,
/*!\brief device is ExpressMIMO */
EXMIMO_DEV,
/*!\brief device is USRP B200/B210*/
USRP_B200_DEV,
/*!\brief device is USRP X300/X310*/
USRP_X300_DEV,
/*!\brief device is BLADE RF*/
BLADERF_DEV,
/*!\brief device is LMSSDR (SoDeRa)*/
LMSSDR_DEV,
/*!\brief device is NONE*/
NONE_DEV,
MAX_RF_DEV_TYPE
} dev_type_t;
/*!\brief transport protocol types
*/
typedef enum {
MIN_TRANSP_TYPE = 0,
/*!\brief transport protocol ETHERNET */
ETHERNET_TP,
/*!\brief no transport protocol*/
NONE_TP,
MAX_TRANSP_TYPE
} transport_type_t;
/*!\brief openair0 device host type */
typedef enum {
MIN_HOST_TYPE = 0,
/*!\brief device functions within a BBU */
BBU_HOST,
/*!\brief device functions within a RRH */
RRH_HOST,
MAX_HOST_TYPE
}host_type_t;
/*! \brief RF Gain clibration */
typedef struct {
//! Frequency for which RX chain was calibrated
double freq;
@@ -76,10 +131,11 @@ typedef struct {
double offset;
} rx_gain_calib_table_t;
/*! \brief RF frontend parameters set by application */
typedef struct {
//! Module ID for this configuration
int Mod_id;
// device log level
//! device log level
int log_level;
//! duplexing mode
duplex_mode_t duplex_mode;
@@ -90,11 +146,15 @@ typedef struct {
//! the sample rate for both transmit and receive.
double sample_rate;
//! number of samples per RX/TX packet (USRP + Ethernet)
int samples_per_packet;
unsigned int samples_per_packet;
//! delay in sending samples (write) due to hardware access, softmodem processing and fronthaul delay if exist
int tx_scheduling_advance;
//! offset in samples between TX and RX paths
int tx_sample_advance;
//! configurable tx thread lauch delay
int txlaunch_wait; /* 1 or 0 */
//! configurable tx thread lauch delay
int txlaunch_wait_slotcount;
//! number of RX channels (=RX antennas)
int rx_num_channels;
//! number of TX channels (=TX antennas)
@@ -125,80 +185,64 @@ typedef struct {
double tx_bw;
//! Auto calibration flag
int autocal[4];
//! RRH IP addr for Ethernet interface
char *remote_ip;
//! RRH port number for Ethernet interface
int remote_port;
//! my IP addr for Ethernet interface (eNB/BBU, UE)
char *my_ip;
//! my port number for Ethernet interface (eNB/BBU, UE)
int my_port;
//! rf devices work with x bits iqs when oai have its own iq format
//! the two following parameters are used to convert iqs
int iq_txshift;
int iq_rxrescale;
//! remote IP/MAC addr for Ethernet interface
char *remote_addr;
//! remote port number for Ethernet interface
unsigned int remote_port;
//! local IP/MAC addr for Ethernet interface (eNB/BBU, UE)
char *my_addr;
//! local port number for Ethernet interface (eNB/BBU, UE)
unsigned int my_port;
//! Configuration file for LMS7002M
char *configFilename;
} openair0_config_t;
/*! \brief RF mapping */
typedef struct {
/* card id */
//! card id
int card;
/* rf chain id */
//! rf chain id
int chain;
} openair0_rf_map;
/*!\brief interface types that apply to modules (RRH_BBU/RRH_UE) created in RRH (rrh_gw.c)
and are defined with respect to the RF device that is present in RRH
-RRH_BBU modules have two devices, one is by default ETHERNET (will have ETH_IF) and the other one is a
RF device (EXMIMO,USRP,BLADERF) or no device (NONE_IF).
-RRH_UE modules have two devices one is by default ETHERNET (will have ETH_IF)
and the other one by default not present so it will have NONE_IF
*/
typedef enum {
MIN_DEV_TYPE = 0,
/*!\brief device is ETH */
ETH_IF,
/*!\brief device is ExpressMIMO */
EXMIMO_IF,
/*!\brief device is USRP B200/B210*/
USRP_B200_IF,
/*!\brief device is USRP X300/X310*/
USRP_X300_IF,
/*!\brief device is BLADE RF*/
BLADERF_IF,
/*!\brief device is LMSSDR*/
LMSSDR_IF,
/*!\brief device is NONE*/
NONE_IF,
MAX_DEV_TYPE
} dev_type_t;
typedef struct {
char *remote_addr;
//! remote port number for Ethernet interface
unsigned int remote_port;
//! local IP/MAC addr for Ethernet interface (eNB/BBU, UE)
char *my_addr;
//! local port number for Ethernet interface (eNB/BBU, UE)
unsigned int my_port;
//! local port number for Ethernet interface (eNB/BBU, UE)
char *local_if_name;
//! local port number for Ethernet interface (eNB/BBU, UE)
uint8_t transp_preference;
} eth_params_t;
/*!\brief openair0 device host type */
typedef enum {
MIN_FUNC_TYPE = 0,
/*!\brief device functions within a BBU */
BBU_FUNC,
/*!\brief device functions within a RRH */
RRH_FUNC,
MAX_FUNC_TYPE
}func_type_t;
/*!\brief structure holds the parameters to configure USRP devices */
struct openair0_device_t {
/* Module ID of this device */
/*!brief Module ID of this device */
int Mod_id;
/* Type of this device */
/*!brief Type of this device */
dev_type_t type;
/* Type of the device's host (BBU/RRH) */
func_type_t func_type;
/*!brief Transport protocol type that the device suppports (in case I/Q samples need to be transported) */
transport_type_t transp_type;
/* RF frontend parameters set by application */
/*!brief Type of the device's host (BBU/RRH) */
host_type_t host_type;
/* !brief RF frontend parameters set by application */
openair0_config_t *openair0_cfg;
/* Can be used by driver to hold internal structure*/
/*!brief Can be used by driver to hold internal structure*/
void *priv;
/* Functions API, which are called by the application*/
@@ -220,7 +264,7 @@ struct openair0_device_t {
@param msg pointer to the message structure passed between BBU-RRH
@param msg_len length of the message
*/
int (*trx_reply_func)(openair0_device *openair0, void *msg, ssize_t msg_len);
int (*trx_reply_func)(openair0_device *device, void *msg, ssize_t msg_len);
/*! \brief Called to send samples to the RF target
@param device pointer to the device structure specific to the RF hardware target
@@ -238,9 +282,9 @@ struct openair0_device_t {
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param cc Number of channels. If cc == 1, only buff[0] is filled with samples.
* \param antenna_id Index of antenna for which to receive samples
* \returns the number of sample read
*/
int (*trx_read_func)(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps,int antenna_id);
@@ -257,50 +301,64 @@ struct openair0_device_t {
*/
int (*trx_reset_stats_func)(openair0_device *device);
/*! \brief Terminate operation of the transceiver -- free all associated resources */
/*! \brief Terminate operation of the transceiver -- free all associated resources
* \param device the hardware to use
*/
void (*trx_end_func)(openair0_device *device);
/* Terminate operation */
/*! \brief Stop operation of the transceiver
* \param card RF Card to use
*/
int (*trx_stop_func)(int card);
/* Functions API related to UE*/
/*! \brief Set RX feaquencies
* \param
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \param exmimo_dump_config dump EXMIMO configuration
* \returns 0 in success
*/
int (*trx_set_freq_func)(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config);
/*! \brief Set gains
* \param
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int (*trx_set_gains_func)(openair0_device* device, openair0_config_t *openair0_cfg);
};
/* type of device init function, implemented in shared lib */
typedef int(*oai_device_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg);
/* type of transport init function, implemented in shared lib */
typedef int(*oai_transport_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params);
#ifdef __cplusplus
extern "C"
{
#endif
/*! \brief Initialize Openair RF target. It returns 0 if OK */
int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cfg);
/*! \brief Initialize openair RF target. It returns 0 if OK */
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg);
/*! \brief Initialize transport protocol . It returns 0 if OK */
int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params);
//USRP
/*! \brief Get the current timestamp of USRP */
/*! \brief Get current timestamp of USRP
* \param device the hardware to use
*/
openair0_timestamp get_usrp_time(openair0_device *device);
/*! \brief Set the RX frequency of USRP RF TARGET */
/*! \brief Set RX frequencies
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg);
//extern
/*! \brief Initialize Openair ETHERNET target. It returns 0 if OK */
int openair0_dev_init_eth(openair0_device *device, openair0_config_t *openair0_cfg);
int openair0_dev_init_bladerf(openair0_device *device, openair0_config_t *openair0_cfg);
int openair0_dev_init_lms(openair0_device *device, openair0_config_t *openair0_cfg);
int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_cfg);
int openair0_dev_init_exmimo(openair0_device *device, openair0_config_t *openair0_cfg);
/*@}*/
#ifdef __cplusplus
targets/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
+319
View File
@@ -0,0 +1,319 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface 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 General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file ethernet_lib.c
* \brief API to stream I/Q samples over standard ethernet
* \author add alcatel Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
* \date 2015
* \version 0.2
* \company Eurecom
* \maintainer: navid.nikaein@eurecom.fr
* \note
* \warning
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <unistd.h>
#include <errno.h>
#include "common_lib.h"
#include "ethernet_lib.h"
#define DEBUG 0
struct sockaddr_ll dest_addr[MAX_INST];
struct sockaddr_ll local_addr[MAX_INST];
int addr_len[MAX_INST];
struct ifreq if_index[MAX_INST];
struct ether_header eh;
int eth_socket_init_raw(openair0_device *device) {
int i = 0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
const char *local_mac, *remote_mac;
int local_port=0, remote_port=0;
int sock_dom=0;
int sock_type=0;
int sock_proto=0;
if (device->host_type == RRH_HOST ) { /* RRH doesn't know remote MAC(will be retrieved from first packet send from BBU) and remote port(don't care) */
local_mac = device->openair0_cfg->my_addr;
local_port = device->openair0_cfg->my_port;
remote_mac = malloc(ETH_ALEN);
memset(remote_mac,0,ETH_ALEN);
remote_port = 0;
printf("[%s] local MAC addr %s remote MAC addr %s\n","RRH", local_mac,remote_mac);
} else {
local_mac = device->openair0_cfg->my_addr;
local_port = device->openair0_cfg->my_port;
remote_mac = device->openair0_cfg->remote_addr;
remote_port = device->openair0_cfg->remote_port;
printf("[%s] local MAC addr %s remote MAC addr %s\n","BBU", local_mac,remote_mac);
}
/* Open a RAW socket to send on */
sock_dom=AF_PACKET;
sock_type=SOCK_RAW;
sock_proto=IPPROTO_RAW;
if ((eth->sockfd[Mod_id] = socket(sock_dom, sock_type, sock_proto)) == -1) {
perror("ETHERNET: Error opening RAW socket");
exit(0);
}
/* initialize destination address */
for (i=0; i< MAX_INST; i++) {
bzero((void *)&(local_addr[i]), sizeof(struct sockaddr_ll));
bzero((void *)&(if_index[i]), sizeof(struct ifreq));
}
/* Get the index of the interface to send on */
strcpy(if_index[Mod_id].ifr_name,eth->if_name[Mod_id]);
if (ioctl(eth->sockfd[Mod_id], SIOCGIFINDEX, &(if_index[Mod_id])) < 0)
perror("SIOCGIFINDEX");
local_addr[Mod_id].sll_family = AF_PACKET;
local_addr[Mod_id].sll_ifindex = if_index[Mod_id].ifr_ifindex;
/* hear traffic from specific protocol*/
local_addr[Mod_id].sll_protocol = htons((short)device->openair0_cfg->my_port);
local_addr[Mod_id].sll_halen = ETH_ALEN;
local_addr[Mod_id].sll_pkttype = PACKET_OTHERHOST;
addr_len[Mod_id] = sizeof(struct sockaddr_ll);
if (bind(eth->sockfd[Mod_id],(struct sockaddr *)&local_addr[Mod_id],addr_len[Mod_id])<0) {
perror("ETHERNET: Cannot bind to socket");
exit(0);
}
/* Construct the Ethernet header */
ether_aton_r(local_mac, (struct ether_addr *)(&(eh.ether_shost)));
ether_aton_r(remote_mac, (struct ether_addr *)(&(eh.ether_dhost)));
eh.ether_type = htons((short)device->openair0_cfg->my_port);
printf("[%s] binding mod_%d to hardware address %x:%x:%x:%x:%x:%x\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"),Mod_id,eh.ether_shost[0],eh.ether_shost[1],eh.ether_shost[2],eh.ether_shost[3],eh.ether_shost[4],eh.ether_shost[5]);
return 0;
}
int trx_eth_write_raw(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags) {
int bytes_sent=0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
int sendto_flag =0;
int i=0;
//sendto_flag|=flags;
eth->tx_nsamps=nsamps;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in tx buffer where the payload to be sent is
buff2 points to the position in tx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]-APP_HEADER_SIZE_BYTES-MAC_HEADER_SIZE_BYTES);
/* we don't want to ovewrite with the header info the previous tx buffer data so we store it*/
struct ether_header temp = *(struct ether_header *)buff2;
int32_t temp0 = *(int32_t *)(buff2 + MAC_HEADER_SIZE_BYTES);
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t));
bytes_sent = 0;
memcpy(buff2,(void*)&eh,MAC_HEADER_SIZE_BYTES);
*(int16_t *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int16_t))=1+(i<<1);
*(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t)) = timestamp;
/*printf("[RRH]write mod_%d %d , len %d, buff %p \n",
Mod_id,eth->sockfd[Mod_id],RAW_PACKET_SIZE_BYTES(nsamps), buff2);*/
while(bytes_sent < RAW_PACKET_SIZE_BYTES(nsamps)) {
#if DEBUG
printf("------- TX ------: buff2 current position=%d remaining_bytes=%d bytes_sent=%d \n",
(void *)(buff2+bytes_sent),
RAW_PACKET_SIZE_BYTES(nsamps) - bytes_sent,
bytes_sent);
#endif
/* Send packet */
bytes_sent += send(eth->sockfd[Mod_id],
buff2,
RAW_PACKET_SIZE_BYTES(nsamps),
sendto_flag);
if ( bytes_sent == -1) {
eth->num_tx_errors++;
perror("ETHERNET WRITE: ");
exit(-1);
} else {
#if DEBUG
printf("------- TX ------: nu=%x an_id=%d ts%d bytes_sent=%d\n",
*(uint8_t *)(buff2+ETH_ALEN),
*(int16_t *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t)),
bytes_sent);
dump_packet((device->host_type == BBU_HOST)? "BBU":"RRH", buff2, RAW_PACKET_SIZE_BYTES(nsamps), TX_FLAG);
#endif
eth->tx_actual_nsamps=bytes_sent>>2;
eth->tx_count++;
}
}
/* tx buffer values restored */
*(struct ether_header *)buff2 = temp;
*(int32_t *)(buff2 + MAC_HEADER_SIZE_BYTES) = temp0;
*(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t)) = temp1;
}
return (bytes_sent-APP_HEADER_SIZE_BYTES-MAC_HEADER_SIZE_BYTES)>>2;
}
int trx_eth_read_raw(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc) {
int bytes_received=0;
int i=0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
int rcvfrom_flag =0;
eth->rx_nsamps=nsamps;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in rx buffer where the payload to be received will be placed
buff2 points to the position in rx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]-APP_HEADER_SIZE_BYTES-MAC_HEADER_SIZE_BYTES);
/* we don't want to ovewrite with the header info the previous rx buffer data so we store it*/
struct ether_header temp = *(struct ether_header *)buff2;
int32_t temp0 = *(int32_t *)(buff2 + MAC_HEADER_SIZE_BYTES);
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t));
bytes_received=0;
while(bytes_received < RAW_PACKET_SIZE_BYTES(nsamps)) {
bytes_received +=recv(eth->sockfd[Mod_id],
buff2,
RAW_PACKET_SIZE_BYTES(nsamps),
rcvfrom_flag);
if (bytes_received ==-1) {
eth->num_rx_errors++;
perror("ETHERNET READ: ");
exit(-1);
} else {
/* store the timestamp value from packet's header */
*timestamp = *(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t));
eth->rx_actual_nsamps=bytes_received>>2;
eth->rx_count++;
}
}
#if DEBUG
printf("------- RX------: nu=%x an_id=%d ts%d bytes_recv=%d \n",
*(uint8_t *)(buff2+ETH_ALEN),
*(int16_t *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t)),
bytes_received);
dump_packet((device->host_type == BBU_HOST)? "BBU":"RRH", buff2, RAW_PACKET_SIZE_BYTES(nsamps),RX_FLAG);
#endif
/* tx buffer values restored */
*(struct ether_header *)buff2 = temp;
*(int32_t *)(buff2 + MAC_HEADER_SIZE_BYTES) = temp0;
*(openair0_timestamp *)(buff2 + MAC_HEADER_SIZE_BYTES + sizeof(int32_t)) = temp1;
}
return (bytes_received-APP_HEADER_SIZE_BYTES-MAC_HEADER_SIZE_BYTES)>>2;
}
int eth_set_dev_conf_raw(openair0_device *device) {
int Mod_id = device->Mod_id;
eth_state_t *eth = (eth_state_t*)device->priv;
void *msg;
ssize_t msg_len;
/* a BBU client sends to RRH a set of configuration parameters (openair0_config_t)
so that RF front end is configured appropriately and
frame/packet size etc. can be set */
msg = malloc(MAC_HEADER_SIZE_BYTES + sizeof(openair0_config_t));
msg_len = MAC_HEADER_SIZE_BYTES + sizeof(openair0_config_t);
memcpy(msg,(void*)&eh,MAC_HEADER_SIZE_BYTES);
memcpy((msg+MAC_HEADER_SIZE_BYTES),(void*)device->openair0_cfg,sizeof(openair0_config_t));
if (send(eth->sockfd[Mod_id],
msg,
msg_len,
0)==-1) {
perror("ETHERNET: ");
exit(0);
}
return 0;
}
int eth_get_dev_conf_raw(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
char str[INET_ADDRSTRLEN];
void *msg;
ssize_t msg_len;
msg = malloc(MAC_HEADER_SIZE_BYTES + sizeof(openair0_config_t));
msg_len = MAC_HEADER_SIZE_BYTES + sizeof(openair0_config_t);
/* RRH receives from BBU openair0_config_t */
if (recv(eth->sockfd[Mod_id],
msg,
msg_len,
0)==-1) {
perror("ETHERNET: ");
exit(0);
}
/* RRH stores the remote MAC address */
memcpy(eh.ether_dhost,(msg+ETH_ALEN),ETH_ALEN);
//memcpy((void*)&device->openair0_cfg,(msg + MAC_HEADER_SIZE_BYTES), sizeof(openair0_config_t));
device->openair0_cfg=(openair0_config_t *)(msg + MAC_HEADER_SIZE_BYTES);
printf("[%s] binding mod_%d to hardware address %x:%x:%x:%x:%x:%x hardware address %x:%x:%x:%x:%x:%x\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"),Mod_id,eh.ether_shost[0],eh.ether_shost[1],eh.ether_shost[2],eh.ether_shost[3],eh.ether_shost[4],eh.ether_shost[5],eh.ether_dhost[0],eh.ether_dhost[1],eh.ether_dhost[2],eh.ether_dhost[3],eh.ether_dhost[4],eh.ether_dhost[5]);
return 0;
}
targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
+383
View File
@@ -0,0 +1,383 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface 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 General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file ethernet_lib.c
* \brief API to stream I/Q samples over standard ethernet
* \author add alcatel Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
* \date 2015
* \version 0.2
* \company Eurecom
* \maintainer: navid.nikaein@eurecom.fr
* \note
* \warning
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <unistd.h>
#include <errno.h>
#include "vcd_signal_dumper.h"
#include "common_lib.h"
#include "ethernet_lib.h"
#define DEBUG 0
struct sockaddr_in dest_addr[MAX_INST];
struct sockaddr_in local_addr[MAX_INST];
int addr_len[MAX_INST];
uint16_t pck_seq_num = 1;
uint16_t pck_seq_num_cur=0;
uint16_t pck_seq_num_prev=0;
int eth_socket_init_udp(openair0_device *device) {
int i = 0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
char str_local[INET_ADDRSTRLEN];
char str_remote[INET_ADDRSTRLEN];
const char *local_ip, *remote_ip;
int local_port=0, remote_port=0;
int sock_dom=0;
int sock_type=0;
int sock_proto=0;
int enable=1;
if (device->host_type == RRH_HOST ) {
local_ip = device->openair0_cfg->my_addr;
local_port = device->openair0_cfg->my_port;
remote_ip = "0.0.0.0";
remote_port = 0;
printf("[%s] local ip addr %s port %d\n", "RRH", local_ip, local_port);
} else {
local_ip = device->openair0_cfg->my_addr;
local_port = device->openair0_cfg->my_port;
remote_ip = device->openair0_cfg->remote_addr;
remote_port = device->openair0_cfg->remote_port;
printf("[%s] local ip addr %s port %d\n","BBU", local_ip, local_port);
}
/* Open socket to send on */
sock_dom=AF_INET;
sock_type=SOCK_DGRAM;
sock_proto=IPPROTO_UDP;
if ((eth->sockfd[Mod_id] = socket(sock_dom, sock_type, sock_proto)) == -1) {
perror("ETHERNET: Error opening socket");
exit(0);
}
/* initialize addresses */
for (i=0; i< MAX_INST; i++) {
bzero((void *)&(dest_addr[i]), sizeof(dest_addr[i]));
bzero((void *)&(local_addr[i]), sizeof(local_addr[i]));
}
addr_len[Mod_id] = sizeof(struct sockaddr_in);
dest_addr[Mod_id].sin_family = AF_INET;
inet_pton(AF_INET,remote_ip,&(dest_addr[Mod_id].sin_addr.s_addr));
dest_addr[Mod_id].sin_port=htons(remote_port);
inet_ntop(AF_INET, &(dest_addr[Mod_id].sin_addr), str_remote, INET_ADDRSTRLEN);
local_addr[Mod_id].sin_family = AF_INET;
inet_pton(AF_INET,local_ip,&(local_addr[Mod_id].sin_addr.s_addr));
local_addr[Mod_id].sin_port=htons(local_port);
inet_ntop(AF_INET, &(local_addr[Mod_id].sin_addr), str_local, INET_ADDRSTRLEN);
/* set reuse address flag */
if (setsockopt(eth->sockfd[Mod_id], SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int))) {
perror("ETHERNET: Cannot set SO_REUSEADDR option on socket");
exit(0);
}
/* want to receive -> so bind */
if (bind(eth->sockfd[Mod_id],(struct sockaddr *)&local_addr[Mod_id],addr_len[Mod_id])<0) {
perror("ETHERNET: Cannot bind to socket");
exit(0);
} else {
printf("[%s] binding mod_%d to %s:%d\n","RRH",Mod_id,str_local,ntohs(local_addr[Mod_id].sin_port));
}
return 0;
}
int trx_eth_write_udp(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags) {
int bytes_sent=0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
int sendto_flag =0;
int i=0;
//sendto_flag|=flags;
eth->tx_nsamps=nsamps;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in tx buffer where the payload to be sent is
buff2 points to the position in tx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]- APP_HEADER_SIZE_BYTES);
/* we don't want to ovewrite with the header info the previous tx buffer data so we store it*/
int32_t temp0 = *(int32_t *)buff2;
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
bytes_sent = 0;
/* constract application header */
// eth->pck_header.seq_num = pck_seq_num;
//eth->pck_header.antenna_id = 1+(i<<1);
//eth->pck_header.timestamp = timestamp;
*(uint16_t *)buff2 = pck_seq_num;
*(uint16_t *)(buff2 + sizeof(uint16_t)) = 1+(i<<1);
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = timestamp;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TX_SEQ_NUM, pck_seq_num);
while(bytes_sent < UDP_PACKET_SIZE_BYTES(nsamps)) {
#if DEBUG
printf("------- TX ------: buff2 current position=%d remaining_bytes=%d bytes_sent=%d \n",
(void *)(buff2+bytes_sent),
UDP_PACKET_SIZE_BYTES(nsamps) - bytes_sent,
bytes_sent);
#endif
/* Send packet */
bytes_sent += sendto(eth->sockfd[Mod_id],
buff2,
UDP_PACKET_SIZE_BYTES(nsamps),
sendto_flag,
(struct sockaddr*)&dest_addr[Mod_id],
addr_len[Mod_id]);
if ( bytes_sent == -1) {
eth->num_tx_errors++;
perror("ETHERNET WRITE: ");
exit(-1);
} else {
#if DEBUG
printf("------- TX ------: nu=%d an_id=%d ts%d bytes_send=%d\n",
*(int16_t *)buff2,
*(int16_t *)(buff2 + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
bytes_sent);
dump_packet((device->host_type == BBU_HOST)? "BBU":"RRH", buff2, UDP_PACKET_SIZE_BYTES(nsamps), TX_FLAG);
#endif
eth->tx_actual_nsamps=bytes_sent>>2;
eth->tx_count++;
pck_seq_num++;
if ( pck_seq_num > MAX_PACKET_SEQ_NUM(nsamps,76800) ) pck_seq_num = 1;
}
}
/* tx buffer values restored */
*(int32_t *)buff2 = temp0;
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = temp1;
}
return (bytes_sent-APP_HEADER_SIZE_BYTES)>>2;
}
int trx_eth_read_udp(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc) {
int bytes_received=0;
eth_state_t *eth = (eth_state_t*)device->priv;
openair0_timestamp prev_timestamp = -1;
int Mod_id = device->Mod_id;
int rcvfrom_flag =0;
int block_cnt=0;
int again_cnt=0;
int i=0;
eth->rx_nsamps=nsamps;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in rx buffer where the payload to be received will be placed
buff2 points to the position in rx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]- APP_HEADER_SIZE_BYTES);
/* we don't want to ovewrite with the header info the previous rx buffer data so we store it*/
int32_t temp0 = *(int32_t *)buff2;
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
bytes_received=0;
block_cnt=0;
while(bytes_received < UDP_PACKET_SIZE_BYTES(nsamps)) {
again:
#if DEBUG
printf("------- RX------: buff2 current position=%d remaining_bytes=%d bytes_recv=%d \n",
(void *)(buff2+bytes_received),
UDP_PACKET_SIZE_BYTES(nsamps) - bytes_received,
bytes_received);
#endif
bytes_received +=recvfrom(eth->sockfd[Mod_id],
buff2,
UDP_PACKET_SIZE_BYTES(nsamps),
rcvfrom_flag,
(struct sockaddr *)&dest_addr[Mod_id],
(socklen_t *)&addr_len[Mod_id]);
if (bytes_received ==-1) {
eth->num_rx_errors++;
if (errno == EAGAIN) {
again_cnt++;
usleep(10);
if (again_cnt == 1000) {
perror("ETHERNET READ: ");
exit(-1);
} else {
printf("AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN \n");
goto again;
}
} else if (errno == EWOULDBLOCK) {
block_cnt++;
usleep(10);
if (block_cnt == 1000) {
perror("ETHERNET READ: ");
exit(-1);
} else {
printf("BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK BLOCK \n");
goto again;
}
}
} else {
#if DEBUG
printf("------- RX------: nu=%d an_id=%d ts%d bytes_recv=%d\n",
*(int16_t *)buff2,
*(int16_t *)(buff2 + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
bytes_received);
dump_packet((device->host_type == BBU_HOST)? "BBU":"RRH", buff2, UDP_PACKET_SIZE_BYTES(nsamps),RX_FLAG);
#endif
/* store the timestamp value from packet's header */
*timestamp = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
/* store the sequence number of the previous packet received */
if (pck_seq_num_cur == 0) {
pck_seq_num_prev = *(uint16_t *)buff2;
} else {
pck_seq_num_prev = pck_seq_num_cur;
}
/* get the packet sequence number from packet's header */
pck_seq_num_cur = *(uint16_t *)buff2;
//printf("cur=%d prev=%d buff=%d\n",pck_seq_num_cur,pck_seq_num_prev,*(uint16_t *)(buff2));
if ( ( pck_seq_num_cur != (pck_seq_num_prev + 1) ) && !((pck_seq_num_prev==75) && (pck_seq_num_cur==1 ))){
printf("out of order packet received1! %d|%d|%d\n",pck_seq_num_cur,pck_seq_num_prev, *timestamp);
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RX_SEQ_NUM,pck_seq_num_cur);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RX_SEQ_NUM_PRV,pck_seq_num_prev);
eth->rx_actual_nsamps=bytes_received>>2;
eth->rx_count++;
}
}
/* tx buffer values restored */
*(int32_t *)buff2 = temp0;
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = temp1;
}
return (bytes_received-APP_HEADER_SIZE_BYTES)>>2;
}
int eth_set_dev_conf_udp(openair0_device *device) {
int Mod_id = device->Mod_id;
eth_state_t *eth = (eth_state_t*)device->priv;
void *msg;
ssize_t msg_len;
/* a BBU client sents to RRH a set of configuration parameters (openair0_config_t)
so that RF front end is configured appropriately and
frame/packet size etc. can be set */
msg=malloc(sizeof(openair0_config_t));
msg_len=sizeof(openair0_config_t);
memcpy(msg,(void*)device->openair0_cfg,msg_len);
if (sendto(eth->sockfd[Mod_id],msg,msg_len,0,(struct sockaddr *)&dest_addr[Mod_id],addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
return 0;
}
int eth_get_dev_conf_udp(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
char str1[INET_ADDRSTRLEN],str[INET_ADDRSTRLEN];
void *msg;
ssize_t msg_len;
msg=malloc(sizeof(openair0_config_t));
msg_len=sizeof(openair0_config_t);
inet_ntop(AF_INET, &(local_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
inet_ntop(AF_INET, &(dest_addr[Mod_id].sin_addr), str1, INET_ADDRSTRLEN);
/* RRH receives from BBU openair0_config_t */
if (recvfrom(eth->sockfd[Mod_id],
msg,
msg_len,
0,
(struct sockaddr *)&dest_addr[Mod_id],
(socklen_t *)&addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
device->openair0_cfg=(openair0_config_t *)msg;
/* get remote ip address and port */
/* inet_ntop(AF_INET, &(dest_addr[Mod_id].sin_addr), str1, INET_ADDRSTRLEN); */
/* device->openair0_cfg->remote_port =ntohs(dest_addr[Mod_id].sin_port); */
/* device->openair0_cfg->remote_addr =str1; */
/* /\* restore local ip address and port *\/ */
/* inet_ntop(AF_INET, &(local_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN); */
/* device->openair0_cfg->my_port =ntohs(local_addr[Mod_id].sin_port); */
/* device->openair0_cfg->my_addr =str; */
/* printf("[RRH] mod_%d socket %d connected to BBU %s:%d %s:%d\n", Mod_id, eth->sockfd[Mod_id],str1, device->openair0_cfg->remote_port, str, device->openair0_cfg->my_port); */
return 0;
}
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
+271 -342
View File
@@ -28,7 +28,7 @@
*******************************************************************************/
/*! \file ethernet_lib.c
* \brief API to stream I/Q samples over standard ethernet
* \author Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
* \author add alcatel Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
* \date 2015
* \version 0.2
* \company Eurecom
@@ -52,196 +52,56 @@
#include "common_lib.h"
#include "ethernet_lib.h"
//#define DEBUG 1
int num_devices_eth = 0;
struct sockaddr_in dest_addr[MAX_INST];
int dest_addr_len[MAX_INST];
char sendbuf[MAX_INST][BUF_SIZ]; /*TODO*/
/*! \fn static int eth_socket_init(openair0_device *device)
* \brief initialization of UDP Socket to communicate with one destination
* \param[in] *device openair device for which the socket will be created
* \param[out]
* \return 0 on success, otherwise -1
* \note
* @ingroup _oai
*/
static int eth_socket_init(openair0_device *device);
/*! \fn static int eth_set_dev_conf(openair0_device *device)
* \brief
* \param[in] *device openair device
* \param[out]
* \return 0 on success, otherwise -1
* \note
* @ingroup _oai
*/
static int eth_set_dev_conf(openair0_device *device);
/*! \fn static int eth_get_dev_conf(openair0_device *device)
* \brief
* \param[in] *device openair device
* \param[out]
* \return 0 on success, otherwise -1
* \note
* @ingroup _oai
*/
static int eth_get_dev_conf(openair0_device *device);
int trx_eth_start(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
/* initialize socket */
if (eth_socket_init(device)!=0) {
return -1;
}
/* RRH gets openair0 device configuration BBU sets openair0 device configuration*/
if (device->func_type == BBU_FUNC) {
return eth_set_dev_conf(device);
if ((eth->flags & ETH_RAW_MODE) != 0 ) {
if (eth_socket_init_raw(device)!=0) return -1;
/* RRH gets openair0 device configuration - BBU sets openair0 device configuration*/
if (device->host_type == BBU_HOST) {
if(eth_set_dev_conf_raw(device)!=0) return -1;
} else {
if(eth_get_dev_conf_raw(device)!=0) return -1;
}
/* adjust MTU wrt number of samples per packet */
if(ethernet_tune (device,MTU_SIZE,RAW_PACKET_SIZE_BYTES(device->openair0_cfg->samples_per_packet))!=0) return -1;
} else {
return eth_get_dev_conf(device);
if (eth_socket_init_udp(device)!=0) return -1;
/* RRH gets openair0 device configuration - BBU sets openair0 device configuration*/
if (device->host_type == BBU_HOST) {
if(eth_set_dev_conf_udp(device)!=0) return -1;
} else {
if(eth_get_dev_conf_udp(device)!=0) return -1;
}
/* adjust MTU wrt number of samples per packet */
//if(ethernet_tune (device,MTU_SIZE,UDP_PACKET_SIZE_BYTES(device->openair0_cfg->samples_per_packet))!=0) return -1;
}
/* apply additional configuration */
if(ethernet_tune (device, SND_BUF_SIZE,2000000000)!=0) return -1;
if(ethernet_tune (device, RCV_BUF_SIZE,2000000000)!=0) return -1;
return 0;
}
int trx_eth_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags) {
int n_written=0,i;
uint16_t header_size=sizeof(int32_t) + sizeof(openair0_timestamp);
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
int sendto_flag =0;
sendto_flag|=MSG_DONTWAIT;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in tx buffer where the payload to be sent is
buff2 points to the position in tx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]-header_size);
/* we don't want to ovewrite with the header info the previous tx buffer data so we store it*/
int32_t temp0 = *(int32_t *)buff2;
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
n_written = 0;
*(int16_t *)(buff2 + sizeof(int16_t))=1+(i<<1);
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = timestamp;
/* printf("[RRH]write mod_%d %d , len %d, buff %p antenna %d\n",
Mod_id,eth->sockfd[Mod_id],(nsamps<<2)+header_size, buff2, antenna_id);*/
while(n_written < nsamps) {
/* Send packet */
if ((n_written += sendto(eth->sockfd[Mod_id],
buff2,
(nsamps<<2)+header_size,
0,
(struct sockaddr*)&eth->dest_addr[Mod_id],
dest_addr_len[Mod_id])) < 0) {
perror("ETHERNET WRITE");
exit(-1);
}
}
#if DEBUG
printf("Buffer head TX: nu=%d an_id=%d ts%d samples_send=%d i=%d data=%x\n",
*(int16_t *)buff2,
*(int16_t *)(buff2 + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
n_written>>2,i,*(int32_t *)(buff2 + 20*sizeof(int32_t)));
#endif
/* tx buffer values restored */
*(int32_t *)buff2 = temp0;
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = temp1;
}
return n_written;
}
int trx_eth_read(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc) {
int bytes_received=0;
int block_cnt=0;
int ret=0,i;
uint16_t header_size=sizeof(int32_t) + sizeof(openair0_timestamp);
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
for (i=0;i<cc;i++) {
/* buff[i] points to the position in rx buffer where the payload to be received will be placed
buff2 points to the position in rx buffer where the packet header will be placed */
void *buff2 = (void*)(buff[i]-header_size);
/* we don't want to ovewrite with the header info the previous rx buffer data so we store it*/
int32_t temp0 = *(int32_t *)buff2;
openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
bytes_received=0;
block_cnt=0;
ret=0;
/* printf("[RRH] read mod_%d %d,len %d, buff %p antenna %d\n",
Mod_id,eth->sockfd[Mod_id],(nsamps<<2)+header_size, buff2, antenna_id);*/
while(bytes_received < (int)((nsamps<<2))) {
ret=recvfrom(eth->sockfd[Mod_id],
buff2+bytes_received,
(nsamps<<2)+header_size-bytes_received,
0,//MSG_DONTWAIT,
(struct sockaddr *)&eth->dest_addr[Mod_id],
(socklen_t *)&dest_addr_len[Mod_id]);
if (ret==-1) {
if (errno == EAGAIN) {
perror("ETHERNET READ: ");
return((nsamps<<2) + header_size);
} else if (errno == EWOULDBLOCK) {
block_cnt++;
usleep(10);
if (block_cnt == 100) return(-1);
}
} else {
bytes_received+=ret;
}
}
#if DEBUG
printf("Buffer head RX: nu=%d an_id=%d ts%d samples_recv=%d i=%d data=%x\n",
*(int16_t *)buff2,
*(int16_t *)(buff2 + sizeof(int16_t)),
*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
ret>>2,i,*(int32_t *)(buff2 + 20*sizeof(int32_t)));
#endif
/* store the timestamp value from packet's header */
*timestamp = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
/* tx buffer values restored */
*(int32_t *)buff2 = temp0;
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = temp1;
}
return nsamps;
}
void trx_eth_end(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
/*destroys socket only for the processes that call the eth_end fuction-- shutdown() for beaking the pipe */
/* destroys socket only for the processes that call the eth_end fuction-- shutdown() for beaking the pipe */
if ( close(eth->sockfd[Mod_id]) <0 ) {
perror("ETHERNET: Failed to close socket");
exit(0);
} else {
printf("[RRH] socket for mod_id %d has been successfully closed.\n",Mod_id);
printf("[%s] socket for mod_id %d has been successfully closed.\n",(device->host_type == BBU_HOST)? "BBU":"RRH",Mod_id);
}
}
@@ -253,7 +113,7 @@ int trx_eth_request(openair0_device *device, void *msg, ssize_t msg_len) {
eth_state_t *eth = (eth_state_t*)device->priv;
/* BBU sends a message to RRH */
if (sendto(eth->sockfd[Mod_id],msg,msg_len,0,(struct sockaddr *)&eth->dest_addr[Mod_id],dest_addr_len[Mod_id])==-1) {
if (sendto(eth->sockfd[Mod_id],msg,msg_len,0,(struct sockaddr *)&dest_addr[Mod_id],dest_addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
@@ -262,7 +122,6 @@ int trx_eth_request(openair0_device *device, void *msg, ssize_t msg_len) {
}
int trx_eth_reply(openair0_device *device, void *msg, ssize_t msg_len) {
eth_state_t *eth = (eth_state_t*)device->priv;
@@ -273,7 +132,7 @@ int trx_eth_reply(openair0_device *device, void *msg, ssize_t msg_len) {
msg,
msg_len,
0,
(struct sockaddr *)&eth->dest_addr[Mod_id],
(struct sockaddr *)&dest_addr[Mod_id],
(socklen_t *)&dest_addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
@@ -283,65 +142,6 @@ int trx_eth_reply(openair0_device *device, void *msg, ssize_t msg_len) {
}
static int eth_set_dev_conf(openair0_device *device) {
int Mod_id = device->Mod_id;
eth_state_t *eth = (eth_state_t*)device->priv;
void *msg;
ssize_t msg_len;
/* a BBU client sents to RRH a set of configuration parameters (openair0_config_t)
so that RF front end is configured appropriately and
frame/packet size etc. can be set */
msg=malloc(sizeof(openair0_config_t));
msg_len=sizeof(openair0_config_t);
memcpy(msg,(void*)&device->openair0_cfg,msg_len);
if (sendto(eth->sockfd[Mod_id],msg,msg_len,0,(struct sockaddr *)&eth->dest_addr[Mod_id],dest_addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
return 0;
}
static int eth_get_dev_conf(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
char str[INET_ADDRSTRLEN];
void *msg;
ssize_t msg_len;
msg=malloc(sizeof(openair0_config_t));
msg_len=sizeof(openair0_config_t);
/* RRH receives from BBU openair0_config_t */
if (recvfrom(eth->sockfd[Mod_id],
msg,
msg_len,
0,
(struct sockaddr *)&eth->dest_addr[Mod_id],
(socklen_t *)&dest_addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
memcpy((void*)&device->openair0_cfg,msg,msg_len);
inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
device->openair0_cfg.remote_port =ntohs(eth->dest_addr[Mod_id].sin_port);
device->openair0_cfg.remote_ip=str;
/*apply additional configuration*/
//ethernet_tune (device, RING_PAR);
// printf("[RRH] write mod_%d %d to %s:%d\n",Mod_id,eth->sockfd[Mod_id],str,ntohs(eth->dest_addr[Mod_id].sin_port));
return 0;
}
int trx_eth_stop(int card) {
return(0);
@@ -364,186 +164,315 @@ int trx_eth_reset_stats(openair0_device* device) {
}
static int eth_socket_init(openair0_device *device) {
int i = 0;
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id = device->Mod_id;
char str[INET_ADDRSTRLEN];
const char *dest_ip;
int dest_port=0;
if (device->func_type == RRH_FUNC ) {
dest_ip = device->openair0_cfg.my_ip;
dest_port = device->openair0_cfg.my_port;
printf("[RRH] ip addr %s port %d\n",dest_ip, dest_port);
} else {
dest_ip = device->openair0_cfg.remote_ip;
dest_port = device->openair0_cfg.remote_port;
printf("[BBU] ip addr %s port %d\n",dest_ip, dest_port);
}
/* Open RAW socket to send on */
if ((eth->sockfd[Mod_id] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
perror("ETHERNET: Error opening socket");
exit(0);
}
/* initialize destination address */
for (i=0; i< MAX_INST; i++) {
bzero((void *)&(eth->dest_addr[i]), sizeof(eth->dest_addr[i]));
}
// bzero((void *)dest,sizeof(struct sockaddr_in));
eth->dest_addr[Mod_id].sin_family = AF_INET;
inet_pton(AF_INET,dest_ip,&(eth->dest_addr[Mod_id].sin_addr.s_addr));
eth->dest_addr[Mod_id].sin_port=htons(dest_port);
dest_addr_len[Mod_id] = sizeof(struct sockaddr_in);
inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
/* if RRH, then I am the server, so bind */
if (device->func_type == RRH_FUNC ) {
if (bind(eth->sockfd[Mod_id],(struct sockaddr *)&eth->dest_addr[Mod_id], dest_addr_len[Mod_id])<0) {
perror("ETHERNET: Cannot bind to socket");
exit(0);
} else {
printf("[RRH] binding mod_%d to %s:%d\n",Mod_id,str,ntohs(eth->dest_addr[Mod_id].sin_port));
}
} else {
printf("[BBU] Connecting to %s:%d\n",str,ntohs(eth->dest_addr[Mod_id].sin_port));
}
return 0;
}
int ethernet_tune(openair0_device *device , eth_opt_t option) {
int ethernet_tune(openair0_device *device, unsigned int option, int value) {
eth_state_t *eth = (eth_state_t*)device->priv;
int Mod_id=device->Mod_id;
unsigned int sndbuf_size=0, rcvbuf_size=0;
struct timeval snd_timeout, rcv_timeout;
struct timeval timeout;
struct ifreq ifr;
char system_cmd[256];
char* if_name=DEFAULT_IF;
/****************** socket level options ************************/
if (option== SND_BUF_SIZE) { /* transmit socket buffer size */
struct in_addr ia;
struct if_nameindex *ids;
int ret=0;
int i=0;
/****************** socket level options ************************/
switch(option) {
case SND_BUF_SIZE: /* transmit socket buffer size */
if (setsockopt(eth->sockfd[Mod_id],
SOL_SOCKET,
SO_SNDBUF,
&sndbuf_size,sizeof(sndbuf_size))) {
&value,sizeof(value))) {
perror("[ETHERNET] setsockopt()");
} else {
printf( "sndbuf_size= %d bytes\n", sndbuf_size);
}
} else if (option== RCV_BUF_SIZE) { /* receive socket buffer size */
printf("send buffer size= %d bytes\n",value);
}
break;
case RCV_BUF_SIZE: /* receive socket buffer size */
if (setsockopt(eth->sockfd[Mod_id],
SOL_SOCKET,
SO_RCVBUF,
&rcvbuf_size,sizeof(rcvbuf_size))) {
&value,sizeof(value))) {
perror("[ETHERNET] setsockopt()");
} else {
printf( "rcvbuf_size= %d bytes\n", rcvbuf_size);
printf("receive bufffer size= %d bytes\n",value);
}
} else if (option==RCV_TIMEOUT) {
rcv_timeout.tv_sec = 0;
rcv_timeout.tv_usec = 180;//less than rt_period
break;
case RCV_TIMEOUT:
timeout.tv_sec = value/1000000000;
timeout.tv_usec = value%1000000000;//less than rt_period?
if (setsockopt(eth->sockfd[Mod_id],
SOL_SOCKET,
SO_RCVTIMEO,
(char *)&rcv_timeout,sizeof(rcv_timeout))) {
(char *)&timeout,sizeof(timeout))) {
perror("[ETHERNET] setsockopt()");
} else {
printf( "rcv_timeout= %d usecs\n", rcv_timeout.tv_usec);
printf( "receive timeout= %d,%d sec\n",timeout.tv_sec,timeout.tv_usec);
}
} else if (option==SND_TIMEOUT) {
snd_timeout.tv_sec = 0;
snd_timeout.tv_usec = 180;//less than rt_period
break;
case SND_TIMEOUT:
timeout.tv_sec = value/1000000000;
timeout.tv_usec = value%1000000000;//less than rt_period?
if (setsockopt(eth->sockfd[Mod_id],
SOL_SOCKET,
SO_SNDTIMEO,
(char *)&snd_timeout,sizeof(snd_timeout))) {
(char *)&timeout,sizeof(timeout))) {
perror("[ETHERNET] setsockopt()");
} else {
printf( "snd_timeout= %d usecs\n", snd_timeout.tv_usec);
printf( "send timeout= %d,%d sec\n",timeout.tv_sec,timeout.tv_usec);
}
}
/******************* interface level options *************************/
else if (option==MTU_SIZE) { /* change MTU of the eth interface */
break;
/******************* interface level options *************************/
case MTU_SIZE: /* change MTU of the eth interface */
ifr.ifr_addr.sa_family = AF_INET;
strncpy(ifr.ifr_name,if_name, sizeof(ifr.ifr_name));
ifr.ifr_mtu =8960;
strncpy(ifr.ifr_name,eth->if_name[Mod_id], sizeof(ifr.ifr_name));
ifr.ifr_mtu =value;
if (ioctl(eth->sockfd[Mod_id],SIOCSIFMTU,(caddr_t)&ifr) < 0 )
perror ("[ETHERNET] Can't set the MTU");
else
printf("[ETHERNET] %s MTU size has changed to %d\n",DEFAULT_IF,ifr.ifr_mtu);
} else if (option==TX_Q_LEN) { /* change TX queue length of eth interface */
printf("[ETHERNET] %s MTU size has changed to %d\n",eth->if_name[Mod_id],ifr.ifr_mtu);
break;
case TX_Q_LEN: /* change TX queue length of eth interface */
ifr.ifr_addr.sa_family = AF_INET;
strncpy(ifr.ifr_name,if_name, sizeof(ifr.ifr_name));
ifr.ifr_qlen =3000 ;
strncpy(ifr.ifr_name,eth->if_name[Mod_id], sizeof(ifr.ifr_name));
ifr.ifr_qlen =value;
if (ioctl(eth->sockfd[Mod_id],SIOCSIFTXQLEN,(caddr_t)&ifr) < 0 )
perror ("[ETHERNET] Can't set the txqueuelen");
else
printf("[ETHERNET] %s txqueuelen size has changed to %d\n",DEFAULT_IF,ifr.ifr_qlen);
printf("[ETHERNET] %s txqueuelen size has changed to %d\n",eth->if_name[Mod_id],ifr.ifr_qlen);
break;
/******************* device level options *************************/
} else if (option==COALESCE_PAR) {
if (snprintf(system_cmd,sizeof(system_cmd),"ethtool -C %s rx-usecs 3",DEFAULT_IF) > 0) {
system(system_cmd);
case COALESCE_PAR:
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -C %s rx-usecs %d",eth->if_name[Mod_id],value);
if (ret > 0) {
ret=system(system_cmd);
if (ret == -1) {
fprintf (stderr,"[ETHERNET] Can't start shell to execute %s %s",system_cmd, strerror(errno));
} else {
printf ("[ETHERNET] status of %s is %i\n",WEXITSTATUS(ret));
}
printf("[ETHERNET] Coalesce parameters %s\n",system_cmd);
} else {
perror("[ETHERNET] Can't set coalesce parameters\n");
}
break;
} else if (option==PAUSE_PAR ) {
if (snprintf(system_cmd,sizeof(system_cmd),"ethtool -A %s autoneg off rx off tx off",DEFAULT_IF) > 0) {
system(system_cmd);
case PAUSE_PAR:
if (value==1) ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -A %s autoneg off rx off tx off",eth->if_name[Mod_id]);
else if (value==0) ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -A %s autoneg on rx on tx on",eth->if_name[Mod_id]);
else break;
if (ret > 0) {
ret=system(system_cmd);
if (ret == -1) {
fprintf (stderr,"[ETHERNET] Can't start shell to execute %s %s",system_cmd, strerror(errno));
} else {
printf ("[ETHERNET] status of %s is %i\n",WEXITSTATUS(ret));
}
printf("[ETHERNET] Pause parameters %s\n",system_cmd);
} else {
perror("[ETHERNET] Can't set pause parameters\n");
}
} else if (option==RING_PAR ) {
if (snprintf(system_cmd,sizeof(system_cmd),"ethtool -G %s rx 4096 tx 4096",DEFAULT_IF) > 0) {
system(system_cmd);
break;
case RING_PAR:
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -G %s rx %d tx %d",eth->if_name[Mod_id],value);
if (ret > 0) {
ret=system(system_cmd);
if (ret == -1) {
fprintf (stderr,"[ETHERNET] Can't start shell to execute %s %s",system_cmd, strerror(errno));
} else {
printf ("[ETHERNET] status of %s is %i\n",WEXITSTATUS(ret));
}
printf("[ETHERNET] Ring parameters %s\n",system_cmd);
} else {
perror("[ETHERNET] Can't set ring parameters\n");
}
break;
default:
break;
}
return 0;
}
int openair0_dev_init_eth(openair0_device *device, openair0_config_t *openair0_cfg) {
int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params ) {
eth_state_t *eth = (eth_state_t*)malloc(sizeof(eth_state_t));
int card = 0;
memset(eth, 0, sizeof(eth_state_t));
eth->buffer_size = (unsigned int)openair0_cfg[card].samples_per_packet*sizeof(int32_t); // buffer size = 4096 for sample_len of 1024
eth->sample_rate = (unsigned int)openair0_cfg[card].sample_rate;
device->priv = eth;
printf("ETHERNET: Initializing openair0_device for %s ...\n", ((device->func_type == BBU_FUNC) ? "BBU": "RRH"));
if (eth_params->transp_preference == 1) {
eth->flags = ETH_RAW_MODE;
} else {
eth->flags = ETH_UDP_MODE;
}
printf("[ETHERNET]: Initializing openair0_device for %s ...\n", ((device->host_type == BBU_HOST) ? "BBU": "RRH"));
device->Mod_id = num_devices_eth++;
device->transp_type = ETHERNET_TP;
device->trx_start_func = trx_eth_start;
device->trx_request_func = trx_eth_request;
device->trx_reply_func = trx_eth_reply;
device->trx_write_func = trx_eth_write;
device->trx_read_func = trx_eth_read;
device->trx_get_stats_func = trx_eth_get_stats;
device->trx_reset_stats_func = trx_eth_reset_stats;
device->trx_end_func = trx_eth_end;
device->trx_stop_func = trx_eth_stop;
device->trx_end_func = trx_eth_end;
device->trx_stop_func = trx_eth_stop;
device->trx_set_freq_func = trx_eth_set_freq;
device->trx_set_gains_func = trx_eth_set_gains;
memcpy((void*)&device->openair0_cfg,(void*)openair0_cfg,sizeof(openair0_config_t));
if ((eth->flags & ETH_RAW_MODE) != 0 ) {
device->trx_write_func = trx_eth_write_raw;
device->trx_read_func = trx_eth_read_raw;
} else {
device->trx_write_func = trx_eth_write_udp;
device->trx_read_func = trx_eth_read_udp;
}
eth->if_name[device->Mod_id] = eth_params->local_if_name;
device->priv = eth;
/* device specific */
openair0_cfg[0].txlaunch_wait = 0;//manage when TX processing is triggered
openair0_cfg[0].txlaunch_wait_slotcount = 0; //manage when TX processing is triggered
openair0_cfg[0].iq_txshift = 5;// shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
/* RRH does not have any information to make this configuration atm */
if (device->host_type == BBU_HOST) {
/*Note scheduling advance values valid only for case 7680000 */
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
openair0_cfg[0].samples_per_packet = 4096;
openair0_cfg[0].tx_sample_advance = 0;
openair0_cfg[0].tx_scheduling_advance = 22*openair0_cfg[0].samples_per_packet;
break;
case 23040000:
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 0;
openair0_cfg[0].tx_scheduling_advance = 16*openair0_cfg[0].samples_per_packet;
break;
case 15360000:
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 0;
openair0_cfg[0].tx_scheduling_advance = 10*openair0_cfg[0].samples_per_packet;
break;
case 7680000:
openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 0;
openair0_cfg[0].tx_scheduling_advance = 10*openair0_cfg[0].samples_per_packet;
break;
case 1920000:
openair0_cfg[0].samples_per_packet = 256;
openair0_cfg[0].tx_sample_advance = 0;
openair0_cfg[0].tx_scheduling_advance = 16*openair0_cfg[0].samples_per_packet;
break;
default:
printf("Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
}
device->openair0_cfg=&openair0_cfg[0];
return 0;
}
/**************************************************************************************************************************
* DEBUGING-RELATED FUNCTIONS *
**************************************************************************************************************************/
void dump_packet(char *title, unsigned char* pkt, int bytes, unsigned int tx_rx_flag) {
static int numSend = 1;
static int numRecv = 1;
int num, k;
char tmp[48];
unsigned short int cksum;
num = (tx_rx_flag)? numSend++:numRecv++;
for (k = 0; k < 24; k++) sprintf(tmp+k, "%02X", pkt[k]);
cksum = calc_csum((unsigned short *)pkt, bytes>>2);
printf("%s-%s (%06d): %s 0x%04X\n", title,(tx_rx_flag)? "TX":"RX", num, tmp, cksum);
}
unsigned short calc_csum (unsigned short *buf, int nwords) {
unsigned long sum;
for (sum = 0; nwords > 0; nwords--)
sum += *buf++;
sum = (sum >> 16) + (sum & 0xffff);
sum += (sum >> 16);
return ~sum;
}
void dump_dev(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
printf("Ethernet device interface %i configuration:\n" ,device->openair0_cfg->Mod_id);
printf(" Log level is %i :\n" ,device->openair0_cfg->log_level);
printf(" RB number: %i, sample rate: %lf \n" ,
device->openair0_cfg->num_rb_dl, device->openair0_cfg->sample_rate);
printf(" Scheduling_advance: %i, Sample_advance: %u \n" ,
device->openair0_cfg->tx_scheduling_advance, device->openair0_cfg->tx_sample_advance);
printf(" BBU configured for %i tx/%i rx channels)\n",
device->openair0_cfg->tx_num_channels,device->openair0_cfg->rx_num_channels);
printf(" Running flags: %s %s %s\n",
((eth->flags & ETH_RAW_MODE) ? "RAW socket mode - ":""),
((eth->flags & ETH_UDP_MODE) ? "UDP socket mode - ":""));
printf(" Number of iqs dumped when displaying packets: %i\n\n",eth->iqdumpcnt);
}
void inline dump_txcounters(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
printf(" Ethernet device interface %i, tx counters:\n" ,device->openair0_cfg->Mod_id);
printf(" Sent packets: %llu send errors: %i\n", eth->tx_count, eth->num_tx_errors);
}
void inline dump_rxcounters(openair0_device *device) {
eth_state_t *eth = (eth_state_t*)device->priv;
printf(" Ethernet device interface %i rx counters:\n" ,device->openair0_cfg->Mod_id);
printf(" Received packets: %llu missed packets errors: %i\n", eth->rx_count, eth->num_underflows);
}
void inline dump_buff(openair0_device *device, char *buff,unsigned int tx_rx_flag, int nsamps) {
char *strptr;
eth_state_t *eth = (eth_state_t*)device->priv;
/*need to add ts number of iqs in printf need to fix dump iqs call */
strptr = (( tx_rx_flag == TX_FLAG) ? "TX" : "RX");
printf("\n %s, nsamps=%i \n" ,strptr,nsamps);
if (tx_rx_flag == 1) {
dump_txcounters(device);
printf(" First %i iqs of TX buffer\n",eth->iqdumpcnt);
dump_iqs(buff,eth->iqdumpcnt);
} else {
dump_rxcounters(device);
printf(" First %i iqs of RX buffer\n",eth->iqdumpcnt);
dump_iqs(buff,eth->iqdumpcnt);
}
}
void dump_iqs(char * buff, int iq_cnt) {
int i;
for (i=0;i<iq_cnt;i++) {
printf("s%02i: Q=%+ij I=%+i%s",i,
((iqoai_t *)(buff))[i].q,
((iqoai_t *)(buff))[i].i,
((i+1)%3 == 0) ? "\n" : " ");
}
}
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h
+128 -48
View File
@@ -36,6 +36,8 @@
* \note
* \warning
*/
#ifndef ETHERNET_LIB_H
#define ETHERNET_LIB_H
#include <arpa/inet.h>
#include <linux/if_packet.h>
@@ -47,71 +49,90 @@
#include <net/if.h>
#include <netinet/ether.h>
#define MAX_INST 4
#define DEFAULT_IF "lo"
#define BUF_SIZ 8960 /*Jumbo frame size*/
#define MAX_INST 4
#define DEFAULT_IF "lo"
#define ETH_RAW_MODE 1
#define ETH_UDP_MODE 0
#define TX_FLAG 1
#define RX_FLAG 0
#define MAX_PACKET_SEQ_NUM(spp,spf) (spf/spp)
#define MAC_HEADER_SIZE_BYTES (sizeof(struct ether_header))
#define APP_HEADER_SIZE_BYTES (sizeof(int32_t) + sizeof(openair0_timestamp))
#define PAYLOAD_SIZE_BYTES(nsamps) (nsamps<<2)
#define UDP_PACKET_SIZE_BYTES(nsamps) (APP_HEADER_SIZE_BYTES + PAYLOAD_SIZE_BYTES(nsamps))
#define RAW_PACKET_SIZE_BYTES(nsamps) (APP_HEADER_SIZE_BYTES + MAC_HEADER_SIZE_BYTES + PAYLOAD_SIZE_BYTES(nsamps))
/*!\brief opaque ethernet data structure */
typedef struct {
// opaque eth data struct
//struct eth_if *dev;
// An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)
/*!\brief socket file desc */
int sockfd[MAX_INST];
struct sockaddr_in dest_addr[MAX_INST];
/*!\brief interface name */
char *if_name[MAX_INST];
/*!\brief buffer size */
unsigned int buffer_size;
unsigned int timeout_ns;
//struct eth_metadata meta_rx;
//struct eth_metadata meta_tx;
unsigned int sample_rate;
// time offset between transmiter timestamp and receiver timestamp;
/*!\brief timeout ms */
unsigned int rx_timeout_ms;
/*!\brief timeout ms */
unsigned int tx_timeout_ms;
/*!\brief runtime flags */
uint32_t flags;
/*!\ time offset between transmiter timestamp and receiver timestamp */
double tdiff;
// use brf_time_offset to get this value
int tx_forward_nsamps; //166 for 20Mhz
/*!\ calibration */
int tx_forward_nsamps;
// --------------------------------
// Debug and output control
// --------------------------------
int num_underflows;
int num_overflows;
int num_seq_errors;
int num_rx_errors;
int num_tx_errors;
/*!\brief number of I/Q samples to be printed */
int iqdumpcnt;
uint64_t tx_actual_nsamps; // actual number of samples transmitted
/*!\brief number of underflows in interface */
int num_underflows;
/*!\brief number of overflows in interface */
int num_overflows;
/*!\brief number of concesutive errors in interface */
int num_seq_errors;
/*!\brief number of errors in interface's receiver */
int num_rx_errors;
/*!\brief umber of errors in interface's transmitter */
int num_tx_errors;
/*!\brief current TX timestamp */
openair0_timestamp tx_current_ts;
/*!\brief socket file desc */
openair0_timestamp rx_current_ts;
/*!\brief actual number of samples transmitted */
uint64_t tx_actual_nsamps;
/*!\brief actual number of samples received */
uint64_t rx_actual_nsamps;
uint64_t tx_nsamps; // number of planned samples
/*!\brief number of samples to be transmitted */
uint64_t tx_nsamps;
/*!\brief number of samples to be received */
uint64_t rx_nsamps;
uint64_t tx_count; // number pf packets
/*!\brief number of packets transmitted */
uint64_t tx_count;
/*!\brief number of packets received */
uint64_t rx_count;
//openair0_timestamp rx_timestamp;
} eth_state_t;
#define ETH_META_STATUS_OVERRUN (1 << 0)
#define ETH_META_STATUS_UNDERRUN (1 << 1)
struct eth_meta_data{
uint64_t timestamp;
uint32_t flags;
uint32_t status;
unsigned int actual_count;
};
/*!\brief packet header */
typedef struct {
/*!\brief packet sequence number max value=packets per frame*/
uint16_t seq_num ;
/*!\brief antenna port used to resynchronize */
uint16_t antenna_id;
/*!\brief packet's timestamp */
openair0_timestamp timestamp;
/*!\brief variable declared for alignment purposes (sample size=32 bit) */
int16_t not_used;
/*!\brief antenna port used to resynchronize */
int16_t antenna_id;
} header_t;
/*!\brief different options for ethernet tuning in socket and driver level */
@@ -138,9 +159,37 @@ typedef enum {
MAX_OPT
} eth_opt_t;
/*
#define SND_BUF_SIZE 1
#define RCV_BUF_SIZE 1<<1
#define SND_TIMEOUT 1<<2
#define RCV_TIMEOUT 1<<3
#define MTU_SIZE 1<<4
#define TX_Q_LEN 1<<5
#define RING_PAR 1<<5
#define COALESCE_PAR 1<<6
#define PAUSE_PAR 1<<7
*/
/*!\brief I/Q samples */
typedef struct {
/*!\brief phase */
short i;
/*!\brief quadrature */
short q;
} iqoai_t ;
void dump_packet(char *title, unsigned char* pkt, int bytes, unsigned int tx_rx_flag);
unsigned short calc_csum (unsigned short *buf, int nwords);
void dump_dev(openair0_device *device);
void inline dump_buff(openair0_device *device, char *buff,unsigned int tx_rx_flag,int nsamps);
void inline dump_rxcounters(openair0_device *device);
void inline dump_txcounters(openair0_device *device);
void dump_iqs(char * buff, int iq_cnt);
/*! \fn int ethernet_tune (openair0_device *device, eth_opt_t option)
/*! \fn int ethernet_tune (openair0_device *device, unsigned int option, int value);
* \brief this function allows you to configure certain ethernet parameters in socket or device level
* \param[in] openair0 device which bears the socket
* \param[in] name of parameter to configure
@@ -148,6 +197,37 @@ typedef enum {
* \note
* @ingroup _oai
*/
int ethernet_tune (openair0_device *device, eth_opt_t option);
int ethernet_write_data(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc) ;
int ethernet_read_data(openair0_device *device,openair0_timestamp *timestamp,void **buff, int nsamps,int cc);
int ethernet_tune(openair0_device *device, unsigned int option, int value);
/*! \fn int eth_socket_init_udp(openair0_device *device)
* \brief initialization of UDP Socket to communicate with one destination
* \param[in] *device openair device for which the socket will be created
* \param[out]
* \return 0 on success, otherwise -1
* \note
* @ingroup _oai
*/
int eth_socket_init_udp(openair0_device *device);
int trx_eth_write_udp(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags);
int trx_eth_read_udp(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
int eth_get_dev_conf_udp(openair0_device *device);
/*! \fn static int eth_set_dev_conf_udp(openair0_device *device)
* \brief
* \param[in] *device openair device
* \param[out]
* \return 0 on success, otherwise -1
* \note
* @ingroup _oai
*/
int eth_set_dev_conf_udp(openair0_device *device);
int eth_socket_init_raw(openair0_device *device);
int trx_eth_write_raw(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int cc, int flags);
int trx_eth_read_raw(openair0_device *device, openair0_timestamp *timestamp, void **buff, int nsamps, int cc);
int eth_get_dev_conf_raw(openair0_device *device);
int eth_set_dev_conf_raw(openair0_device *device);
#endif
targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
+9 -1
View File
@@ -247,7 +247,7 @@ int openair0_stop_without_reset(int card)
#define MY_RF_MODE (RXEN + TXEN + TXLPFNORM + TXLPFEN + TXLPF25 + RXLPFNORM + RXLPFEN + RXLPF25 + LNA1ON +LNAMax + RFBBNORM + DMAMODE_RX + DMAMODE_TX)
#define RF_MODE_BASE (LNA1ON + RFBBNORM)
int openair0_dev_init_exmimo(openair0_device *device, openair0_config_t *openair0_cfg) {
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
// Initialize card
// exmimo_config_t *p_exmimo_config;
@@ -287,6 +287,8 @@ int openair0_dev_init_exmimo(openair0_device *device, openair0_config_t *openair
return(-1);
}
device->type = EXMIMO_DEV;
return(0);
}
@@ -323,6 +325,12 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
else
p_exmimo_config->framing.multicard_syncmode=SYNCMODE_SLAVE;
/* device specific */
openair0_cfg[card].txlaunch_wait = 1;//manage when TX processing is triggered
openair0_cfg[card].txlaunch_wait_slotcount = 1; //manage when TX processing is triggered
openair0_cfg[card].iq_txshift = 4;//shift
openair0_cfg[card].iq_rxrescale = 15;//rescale iqs
if (openair0_cfg[card].sample_rate==30.72e6) {
resampling_factor = 0;
rx_filter = RXLPF10;
targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
+8 -3
View File
@@ -812,11 +812,15 @@ void trx_lms_end(openair0_device *device) {
}
int openair0_dev_init_lms(openair0_device *device, openair0_config_t *openair0_cfg){
extern "C" {
/*! \brief Initialize Openair LMSSDR target. It returns 0 if OK
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
*/
int device_init(openair0_device *device, openair0_config_t *openair0_cfg){
printf("LMSSDR: Initializing openair0_device for %s ...\n", ((device->func_type == BBU_FUNC) ? "BBU": "RRH"));
printf("LMSSDR: Initializing openair0_device for %s ...\n", ((device->host_type == BBU_HOST) ? "BBU": "RRH"));
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
@@ -872,3 +876,4 @@ int openair0_dev_init_lms(openair0_device *device, openair0_config_t *openair0_c
return 0;
}
}
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+126 -27
View File
@@ -29,7 +29,7 @@
/** usrp_lib.cpp
*
* Author: HongliangXU : hong-liang-xu@agilent.com
* \author: HongliangXU : hong-liang-xu@agilent.com
*/
#include <string.h>
@@ -55,47 +55,71 @@
# include <immintrin.h>
#endif
/** @addtogroup _USRP_PHY_RF_INTERFACE_
* @{
*/
/*! \brief USRP Configuration */
typedef struct
{
// --------------------------------
// variables for USRP configuration
// --------------------------------
//! USRP device pointer
uhd::usrp::multi_usrp::sptr usrp;
//uhd::usrp::multi_usrp::sptr rx_usrp;
//create a send streamer and a receive streamer
//! USRP TX Stream
uhd::tx_streamer::sptr tx_stream;
//! USRP RX Stream
uhd::rx_streamer::sptr rx_stream;
//! USRP TX Metadata
uhd::tx_metadata_t tx_md;
//! USRP RX Metadata
uhd::rx_metadata_t rx_md;
//! USRP Timestamp Information
uhd::time_spec_t tm_spec;
//setup variables and allocate buffer
//! USRP Metadata
uhd::async_metadata_t async_md;
//! Sampling rate
double sample_rate;
// time offset between transmiter timestamp and receiver timestamp;
//! time offset between transmiter timestamp and receiver timestamp;
double tdiff;
// use usrp_time_offset to get this value
//! TX forward samples. We use usrp_time_offset to get this value
int tx_forward_nsamps; //166 for 20Mhz
// --------------------------------
// Debug and output control
// --------------------------------
//! Number of underflows
int num_underflows;
//! Number of overflows
int num_overflows;
//! Number of sequential errors
int num_seq_errors;
//! tx count
int64_t tx_count;
//! rx count
int64_t rx_count;
//! timestamp of RX packet
openair0_timestamp rx_timestamp;
} usrp_state_t;
/*! \brief Called to start the USRP transceiver. Return 0 if OK, < 0 if error
@param device pointer to the device structure specific to the RF hardware target
*/
static int trx_usrp_start(openair0_device *device)
{
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -118,7 +142,9 @@ static int trx_usrp_start(openair0_device *device)
return 0;
}
/*! \brief Terminate operation of the USRP transceiver -- free all associated resources
* \param device the hardware to use
*/
static void trx_usrp_end(openair0_device *device)
{
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -132,6 +158,14 @@ static void trx_usrp_end(openair0_device *device)
}
/*! \brief Called to send samples to the USRP RF target
@param device pointer to the device structure specific to the RF hardware target
@param timestamp The timestamp at whicch the first sample MUST be sent
@param buff Buffer which holds the samples
@param nsamps number of samples to be sent
@param antenna_id index of the antenna if the device has multiple anteannas
@param flags flags must be set to TRUE if timestamp parameter needs to be applied
*/
static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps, int cc, int flags)
{
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -153,6 +187,17 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
return 0;
}
/*! \brief Receive samples from hardware.
* Read \ref nsamps samples from each channel to buffers. buff[0] is the array for
* the first channel. *ptimestamp is the time at which the first sample
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param antenna_id Index of antenna for which to receive samples
* \returns the number of sample read
*/
static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc)
{
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -172,7 +217,7 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
#endif
if (device->type == USRP_B200_IF) {
if (device->type == USRP_B200_DEV) {
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
@@ -198,7 +243,7 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
#endif
}
}
} else if (device->type == USRP_X300_IF) {
} else if (device->type == USRP_X300_DEV) {
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
@@ -238,6 +283,9 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
return samples_received;
}
/*! \brief Get current timestamp of USRP
* \param device the hardware to use
*/
openair0_timestamp get_usrp_time(openair0_device *device)
{
@@ -246,11 +294,21 @@ openair0_timestamp get_usrp_time(openair0_device *device)
return s->usrp->get_time_now().to_ticks(s->sample_rate);
}
/*! \brief Compares two variables within precision
* \param a first variable
* \param b second variable
*/
static bool is_equal(double a, double b)
{
return std::fabs(a-b) < std::numeric_limits<double>::epsilon();
}
/*! \brief Set frequencies (TX/RX)
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \param dummy dummy variable not used
* \returns 0 in success
*/
int trx_usrp_set_freq(openair0_device* device, openair0_config_t *openair0_cfg, int dummy) {
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -262,6 +320,11 @@ int trx_usrp_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,
}
/*! \brief Set RX frequencies
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg) {
usrp_state_t *s = (usrp_state_t*)device->priv;
@@ -279,6 +342,11 @@ int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *open
}
/*! \brief Set Gains (TX/RX)
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int trx_usrp_set_gains(openair0_device* device,
openair0_config_t *openair0_cfg) {
@@ -299,11 +367,14 @@ int trx_usrp_set_gains(openair0_device* device,
return(0);
}
/*! \brief Stop USRP
* \param card refers to the hardware index to use
*/
int trx_usrp_stop(int card) {
return(0);
}
/*! \brief USRPB210 RX calibration table */
rx_gain_calib_table_t calib_table_b210[] = {
{3500000000.0,44.0},
{2660000000.0,49.0},
@@ -312,6 +383,7 @@ rx_gain_calib_table_t calib_table_b210[] = {
{816000000.0,58.0},
{-1,0}};
/*! \brief USRPB210 RX calibration table */
rx_gain_calib_table_t calib_table_b210_38[] = {
{3500000000.0,44.0},
{2660000000.0,49.8},
@@ -320,6 +392,7 @@ rx_gain_calib_table_t calib_table_b210_38[] = {
{816000000.0,57.0},
{-1,0}};
/*! \brief USRPx310 RX calibration table */
rx_gain_calib_table_t calib_table_x310[] = {
{3500000000.0,77.0},
{2660000000.0,81.0},
@@ -328,6 +401,11 @@ rx_gain_calib_table_t calib_table_x310[] = {
{816000000.0,85.0},
{-1,0}};
/*! \brief Set RX gain offset
* \param openair0_cfg RF frontend parameters set by application
* \param chain_index RF chain to apply settings to
* \returns 0 in success
*/
void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index,int bw_gain_adjust) {
int i=0;
@@ -373,12 +451,20 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index,int bw_
}
/*! \brief print the USRP statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_usrp_get_stats(openair0_device* device) {
return(0);
}
/*! \brief Reset the USRP statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_usrp_reset_stats(openair0_device* device) {
return(0);
@@ -386,13 +472,20 @@ int trx_usrp_reset_stats(openair0_device* device) {
}
int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_cfg)
{
uhd::set_thread_priority_safe(1.0);
usrp_state_t *s = (usrp_state_t*)malloc(sizeof(usrp_state_t));
memset(s, 0, sizeof(usrp_state_t));
// Initialize USRP device
extern "C" {
/*! \brief Initialize Openair USRP target. It returns 0 if OK
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
*/
int device_init(openair0_device* device, openair0_config_t *openair0_cfg) {
uhd::set_thread_priority_safe(1.0);
usrp_state_t *s = (usrp_state_t*)malloc(sizeof(usrp_state_t));
memset(s, 0, sizeof(usrp_state_t));
// Initialize USRP device
std::string args = "type=b200";
@@ -436,14 +529,14 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
s->usrp->set_clock_source("internal");
//Setting device type to USRP X300/X310
device->type=USRP_X300_IF;
device->type=USRP_X300_DEV;
// this is not working yet, master clock has to be set via constructor
// set master clock rate and sample rate for tx & rx for streaming
//s->usrp->set_master_clock_rate(usrp_master_clock);
openair0_cfg[0].rx_gain_calib_table = calib_table_x310;
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
// from usrp_time_offset
@@ -482,17 +575,18 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
} else {
printf("Found USRP B200");
args += ",num_recv_frames=256" ;
s->usrp = uhd::usrp::multi_usrp::make(args);
// s->usrp->set_rx_subdev_spec(rx_subdev);
// s->usrp->set_tx_subdev_spec(tx_subdev);
// do not explicitly set the clock to "internal", because this will disable the gpsdo
// // lock mboard clocks
// s->usrp->set_clock_source("internal");
// do not explicitly set the clock to "internal", because this will disable the gpsdo
// // lock mboard clocks
// s->usrp->set_clock_source("internal");
// set master clock rate and sample rate for tx & rx for streaming
device->type = USRP_B200_IF;
device->type = USRP_B200_DEV;
if ((vers == 3) && (subvers == 9) && (subsubvers>=2)) {
@@ -552,6 +646,12 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
}
}
/* device specific */
openair0_cfg[0].txlaunch_wait = 1;//manage when TX processing is triggered
openair0_cfg[0].txlaunch_wait_slotcount = 1; //manage when TX processing is triggered
openair0_cfg[0].iq_txshift = 4;//shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
for(i=0;i<s->usrp->get_rx_num_channels();i++) {
if (i<openair0_cfg[0].rx_num_channels) {
s->usrp->set_rx_rate(openair0_cfg[0].sample_rate,i);
@@ -605,10 +705,7 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
s->usrp->set_time_now(uhd::time_spec_t(0.0));
for (i=0;i<openair0_cfg[0].rx_num_channels;i++) {
if (i<openair0_cfg[0].rx_num_channels) {
@@ -656,4 +753,6 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
if(is_equal(s->sample_rate, (double)7.68e6))
s->tx_forward_nsamps = 50;
return 0;
}
}
/*@}*/