* add RRH gateway module, IQ transports, and its gtkwave template (experimental)
* update ethernet library and common lib * update runtime values of the lte-softmodem tx and rx threads based on an empirical model git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7709 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
navid
@@ -26,16 +26,16 @@
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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/** ethernet_lib : API to stream I/Q samples over standard ethernet
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*
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* Authors: Pedro Dinis <pedrodinis20@gmail.com>
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* Lucio Ferreira <lucio.ferreira@inov.pt>
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* Raymond Knopp <raymond.knopp@eurecom.fr>
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*
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* Changelog:
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* 06.10.2014: Initial version
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*/
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/*! \fileethernet_lib.c
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* \brief API to stream I/Q samples over standard ethernet
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* \author Katerina Trilyraki, Navid Nikaein, Pedro Dinis, Lucio Ferreira, Raymond Knopp
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* \date 2015
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* \version 0.2
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* \company Eurecom
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* \maintainer: navid.nikaein@eurecom.fr
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* \note
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* \warning
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*/
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#include <arpa/inet.h>
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#include <linux/if_packet.h>
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@@ -50,203 +50,361 @@
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#include <errno.h>
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#include "common_lib.h"
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#include "ethernet_lib.h"
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#define DEFAULT_IF "eth0"
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#define BUF_SIZ 8960 /*Jumbo frame size*/
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#define BUF_SIZ 8960 /*Jumbo frame size*/
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#define MAX_INST 4
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int sockfd[MAX_INST];
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struct sockaddr_in dest_addr[MAX_INST];
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//int sockfd[MAX_INST];
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int num_devices = 0;
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int dest_addr_len[MAX_INST];
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int i;
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int tx_len = 0;
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char sendbuf[MAX_INST][BUF_SIZ]; /*TODO*/
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/**PDF: Initialization of UDP Socket to communicate with one DEST */
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int ethernet_socket_init(int Mod_id, char *dest_ip,int dest_port)
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{
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/* Initialization of UDP Socket to communicate with one destination */
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int ethernet_socket_init(openair0_device *device) {
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/**PDF: To be passed by input argument*/
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// DEST_port = 32000;
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struct sockaddr_in *dest = &dest_addr[Mod_id];
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int i = 0;
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eth_state_t *eth = (eth_state_t*)device->priv;
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int Mod_id = device->Mod_id;
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// struct sockaddr_in *dest = &dest_addr[Mod_id];
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char str[INET_ADDRSTRLEN];
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const char *dest_ip;
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int dest_port;
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if (device->func_type == RRH_FUNC ){
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dest_ip = device->openair0_cfg.my_ip;
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dest_port = device->openair0_cfg.my_port;
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printf("[RRH] ip addr %s port %d\n",dest_ip, dest_port);
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} else {
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dest_ip = device->openair0_cfg.remote_ip;
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dest_port = device->openair0_cfg.remote_port;
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printf("[BBU] ip addr %s port %d\n",dest_ip, dest_port);
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}
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/* Open RAW socket to send on */
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if ((sockfd[Mod_id] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
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if ((eth->sockfd[Mod_id] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
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perror("ETHERNET: Error opening socket");
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exit(0);
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}
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bzero((void *)dest,sizeof(struct sockaddr));
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dest->sin_family = AF_INET;
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dest->sin_addr.s_addr=inet_addr(dest_ip);
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dest->sin_port=htons(dest_port);
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dest_addr_len[Mod_id] = sizeof(struct sockaddr);
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/* initialize destination address */
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for (i=0; i< MAX_INST; i++)
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bzero((void *)&(eth->dest_addr[i]), sizeof(eth->dest_addr[i]));
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inet_ntop(AF_INET, &(dest->sin_addr), str, INET_ADDRSTRLEN);
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printf("Connecting to %s:%d\n",str,ntohs(dest->sin_port));
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// bzero((void *)dest,sizeof(struct sockaddr_in));
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eth->dest_addr[Mod_id].sin_family = AF_INET;
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inet_pton(AF_INET,dest_ip,&(eth->dest_addr[Mod_id].sin_addr.s_addr));
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eth->dest_addr[Mod_id].sin_port=htons(dest_port);
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dest_addr_len[Mod_id] = sizeof(struct sockaddr_in);
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inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
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/* if RRH, then I am the server, so bind */
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if (device->func_type == RRH_FUNC ){
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if (bind(eth->sockfd[Mod_id],(struct sockaddr *)ð->dest_addr[Mod_id], dest_addr_len[Mod_id])<0) {
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perror("ETHERNET: Cannot bind to socket");
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exit(0);
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}else {
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printf("[RRH] binding mod_%d to %s:%d\n",Mod_id,str,ntohs(eth->dest_addr[Mod_id].sin_port));
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}
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}else {
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printf("[BBU] Connecting to %s:%d\n",str,ntohs(eth->dest_addr[Mod_id].sin_port));
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}
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return 0;
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}
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void ethernet_socket_opt (openair0_device *device){
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eth_state_t *eth = (eth_state_t*)device->priv;
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int Mod_id=device->Mod_id;
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int sndbuf_size=0, rcvbuf_size=0;
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socklen_t optlen;
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/* chang the MTU of the eth interface */
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struct ifreq ifr;
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optlen = sizeof(int);
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if (getsockopt(eth->sockfd[Mod_id],
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SOL_SOCKET,
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SO_SNDBUF,
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&sndbuf_size,&optlen))
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printf("error:getsockopt()\n");
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if (getsockopt(eth->sockfd[Mod_id],
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SOL_SOCKET,
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SO_RCVBUF,
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&rcvbuf_size,&optlen))
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printf("error:getsockopt()\n");
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printf( "sndbuf_size= %d bytes rcvbuf_size= %d bytes\n", sndbuf_size,
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rcvbuf_size);
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ifr.ifr_addr.sa_family = AF_INET;
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//iap->ifa_name is bond1:xx
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strncpy(ifr.ifr_name, DEFAULT_IF, sizeof(ifr.ifr_name));
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ifr.ifr_mtu = device->openair0_cfg.samples_per_packet*5;
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if (ioctl(eth->sockfd[Mod_id], SIOCSIFMTU, (caddr_t)&ifr) < 0 )
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perror ("Can't set the MTU");
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else
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printf("[ETHERNET] %s MTU size has changed to %d\n",DEFAULT_IF,ifr.ifr_mtu);
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}
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int trx_eth_request(openair0_device *device) {
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int Mod_id = device->Mod_id;
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eth_state_t *eth = (eth_state_t*)device->priv;
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void *msg;
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ssize_t msg_len;
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/* send to RRH (server) required configuration parameters:
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-number of downlink RBs (so that frame/packet size can be set accordingly)
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-rx_num_0channels
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-tx_num_channels
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-rx_freq
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-tx_freq
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-rxg_mode[4]
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-rx_gain
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-tx_gain
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-rx_bw
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-tx_bw
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-autocal */
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msg=malloc(sizeof(openair0_config_t));
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msg_len=sizeof(openair0_config_t);
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memcpy(msg,(void*)&device->openair0_cfg,msg_len);
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if (sendto(eth->sockfd[Mod_id],msg,msg_len,0,(struct sockaddr *)ð->dest_addr[Mod_id],dest_addr_len[Mod_id])==-1){
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perror("ETHERNET: ");
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exit(0);
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}
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return 0;
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}
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int ethernet_write_data(int Mod_id, openair0_timestamp timestamp, const void **buff, int antenna_id, int nsamps)
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{
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int trx_eth_reply(openair0_device *device) {
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void *buff2 = (void*)buff[antenna_id]-sizeof(openair0_timestamp)-(sizeof(int16_t)*2);
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int32_t temp0 = *(int32_t *)buff2;
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openair0_timestamp temp1 = *(openair0_timestamp *)(buff2+(sizeof(int16_t)*2));
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eth_state_t *eth = (eth_state_t*)device->priv;
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int Mod_id = device->Mod_id;
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char str[INET_ADDRSTRLEN];
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void *msg;
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ssize_t msg_len;
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msg=malloc(sizeof(openair0_config_t));
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msg_len=sizeof(openair0_config_t);
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/* receive from client (lte-softmodem) */
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if (recvfrom(eth->sockfd[Mod_id],
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msg,
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msg_len,
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0,
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(struct sockaddr *)ð->dest_addr[Mod_id],
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(socklen_t *)&dest_addr_len[Mod_id])==-1){
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perror("ETHERNET: ");
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exit(0);
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}
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memcpy((void*)&device->openair0_cfg,msg,msg_len);
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inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
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device->openair0_cfg.remote_port =ntohs(eth->dest_addr[Mod_id].sin_port);
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device->openair0_cfg.remote_ip=str;
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//ethernet_socket_opt (device);
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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));
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return 1;
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}
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int ethernet_write_data(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int antenna_id) {
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int n_written;
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uint16_t header_size=sizeof(int32_t) + sizeof(openair0_timestamp);
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eth_state_t *eth = (eth_state_t*)device->priv;
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int Mod_id = device->Mod_id;
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int sendto_flag =0;
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sendto_flag|=MSG_DONTWAIT;
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/* buff[antenna_id] points to the position in tx buffer where the payload to be sent is
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buff2 points to the position in tx buffer where the packet header will be placed */
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void *buff2 = (void*)(buff[antenna_id]-header_size); // (void*)((unsigned char *)buff[antenna_id]-header_size);
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/* we don't want to ovewrite with the header info the previous tx buffer data so we store it*/
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int32_t temp0 = *(int32_t *)buff2;
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openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
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//printf("temp0=%d temp=%d\n",temp0,temp1);
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//char str[INET_ADDRSTRLEN];
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n_written = 0;
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((int16_t *)buff2)[0] = 1+(antenna_id<<1);
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((int16_t *)buff2)[1] = nsamps;
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*((openair0_timestamp *)(buff2+(sizeof(int16_t)*2))) = timestamp;
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// printf("Timestamp TX sent : %d\n",timestamp);
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// printf("buffer head : %d %d %d %d \n",((int16_t *)buff2)[0],((int16_t *)buff2)[1],((int16_t *)buff2)[2],((int16_t *)buff2)[3]);
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while(n_written < nsamps) {
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*(int16_t *)(buff2 + sizeof(int16_t))=1+(antenna_id<<1);
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*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = timestamp;
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//inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
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//printf("[RRH]write mod_%d %d to %s:%d, len %d, buff %p antenna %d\n",
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//Mod_id,eth->sockfd[Mod_id],str,ntohs(eth->dest_addr[Mod_id].sin_port),(nsamps<<2)+header_size, buff2, antenna_id);
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while(n_written < nsamps) {
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/* Send packet */
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if ((n_written += sendto(sockfd[Mod_id],
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buff2,
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(nsamps<<2)+sizeof(openair0_timestamp)+(2*sizeof(int16_t)),
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0,
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(struct sockaddr*)&dest_addr[Mod_id],
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dest_addr_len[Mod_id])) < 0) {
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printf("Send failed for Mod_id %d\n",Mod_id);
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perror("ETHERNET:");
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exit(-1);
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if ((n_written += sendto(eth->sockfd[Mod_id],
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buff2,
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(nsamps<<2)+header_size,
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0,
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(struct sockaddr*)ð->dest_addr[Mod_id],
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dest_addr_len[Mod_id])) < 0) {
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perror("ETHERNET WRITE");
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exit(-1);
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}
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}
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/* printf("Buffer head TX: nu=%d an_id=%d ts%d byte_send=%d \n", *(int16_t *)buff2,
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*(int16_t *)(buff2 + sizeof(int16_t)),
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*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
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n_written>>2);*/
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/* tx buffer values restored */
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*(int32_t *)buff2 = temp0;
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*(openair0_timestamp *)(buff2+2*sizeof(int16_t)) = temp1;
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*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = temp1;
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//printf("-----------------temp0=%d temp=%d\n",*(int32_t *)buff2,*(openair0_timestamp *)(buff2 + sizeof(int32_t)));
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return n_written;
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||||
}
|
||||
|
||||
|
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int ethernet_read_data(int Mod_id,openair0_timestamp *timestamp,void **buff, int antenna_id, int nsamps)
|
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{
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int ethernet_read_data(openair0_device *device,openair0_timestamp *timestamp,void **buff, int nsamps,int antenna_id) {
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void *buff2 = (void*)buff[antenna_id]-sizeof(openair0_timestamp);
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int bytes_received;
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int block_cnt;
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int ret;
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openair0_timestamp temp = *(openair0_timestamp*)(buff2);
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int16_t mesg[2];
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char str[INET_ADDRSTRLEN];
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uint16_t header_size=sizeof(int32_t) + sizeof(openair0_timestamp);
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//mesg[0] = 0+(antenna_id<<1);
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//mesg[1] = nsamps;
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inet_ntop(AF_INET, &(dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
|
||||
|
||||
/* buff[antenna_id] points to the position in rx buffer where the payload to be received will be placed
|
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buff2 points to the position in rx buffer where the packet header will be placed */
|
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void *buff2 = (void*)(buff[antenna_id]-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;
|
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openair0_timestamp temp1 = *(openair0_timestamp *)(buff2 + sizeof(int32_t));
|
||||
|
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eth_state_t *eth = (eth_state_t*)device->priv;
|
||||
int Mod_id = device->Mod_id;
|
||||
|
||||
inet_ntop(AF_INET, &(eth->dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
|
||||
// send command RX for nsamps samples
|
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// printf("requesting %d samples from (%s:%d)\n",nsamps,str,ntohs(dest_addr[Mod_id].sin_port));
|
||||
|
||||
//sendto(sockfd[Mod_id],mesg,4,0,(struct sockaddr *)&dest_addr[Mod_id],dest_addr_len[Mod_id]);
|
||||
// printf("requesting %d samples from (%s:%d)\n",nsamps,str,ntohs(eth->dest_addr[Mod_id].sin_port));
|
||||
|
||||
bytes_received=0;
|
||||
block_cnt=0;
|
||||
|
||||
while(bytes_received < (int)((nsamps<<2))) {
|
||||
//printf("requesting %d bytes\n",(nsamps<<2));
|
||||
ret=recvfrom(sockfd[Mod_id],
|
||||
ret=recvfrom(eth->sockfd[Mod_id],
|
||||
buff2+bytes_received,
|
||||
(nsamps<<2)+sizeof(openair0_timestamp)-bytes_received,
|
||||
(nsamps<<2)+header_size-bytes_received,
|
||||
0,//MSG_DONTWAIT,
|
||||
(struct sockaddr *)&dest_addr[Mod_id],
|
||||
&dest_addr_len[Mod_id]);
|
||||
(struct sockaddr *)ð->dest_addr[Mod_id],
|
||||
(socklen_t *)&dest_addr_len[Mod_id]);
|
||||
|
||||
//printf("bytes_received %d (ret %d)\n",bytes_received+ret,ret);
|
||||
if (ret==-1) {
|
||||
if (errno == EAGAIN) {
|
||||
perror("ETHERNET: ");
|
||||
return((nsamps<<2)+sizeof(openair0_timestamp));
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//printf("buffer head : %x %x %x %x \n",((int32_t *)buff2)[0],((int32_t *)buff2)[1],((int32_t *)buff2)[2],((int32_t *)buff2)[3]);
|
||||
*timestamp = *(openair0_timestamp *)(buff2);
|
||||
// printf("Received %d samples, timestamp = %d\n",bytes_received>>2,*(int32_t*)timestamp);
|
||||
*(openair0_timestamp *)(buff2) = temp;
|
||||
/*
|
||||
printf("Buffer head RX: nu=%d an_id=%d ts%d byte_recv=%d\n", *(int16_t *)buff2,
|
||||
*(int16_t *)(buff2 + sizeof(int16_t)),
|
||||
*(openair0_timestamp *)(buff2 + sizeof(int32_t)),
|
||||
ret>>2);*/
|
||||
|
||||
/* 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;
|
||||
// printf("Received %d samples, timestamp = %d\n",bytes_received>>2,*(int32_t*)timestamp);
|
||||
|
||||
return nsamps;
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
int trx_eth_start(openair0_device *openair0)
|
||||
{
|
||||
int trx_eth_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps, int antenna_id, int flags) {
|
||||
|
||||
return ethernet_write_data(device,timestamp,buff,nsamps,antenna_id);
|
||||
}
|
||||
|
||||
int16_t mesg[2];
|
||||
int Mod_id;
|
||||
|
||||
Mod_id = openair0->openair0_cfg.Mod_id;
|
||||
ethernet_socket_init(openair0->openair0_cfg.Mod_id, openair0->openair0_cfg.rrh_ip,openair0->openair0_cfg.rrh_port);
|
||||
|
||||
mesg[0] = 1 + 0; //antenna index is 0, to be replaced by the number of active antennas
|
||||
mesg[1] = openair0->openair0_cfg.samples_per_packet;
|
||||
|
||||
sendto(sockfd[Mod_id],mesg,4,0,(struct sockaddr *)&dest_addr[Mod_id],dest_addr_len[Mod_id]);
|
||||
int trx_eth_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int antenna_id) {
|
||||
|
||||
return(ethernet_read_data(device,ptimestamp,buff,nsamps,antenna_id));
|
||||
|
||||
}
|
||||
|
||||
int openair0_stop(int card) {
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
void trx_eth_write(openair0_device *device, openair0_timestamp timestamp, const void **buff, int nsamps, int cc, int flags)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i=0; i<cc; i++)
|
||||
ethernet_write_data(device->Mod_id,timestamp,buff,i,nsamps);
|
||||
}
|
||||
int trx_eth_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps,int cc)
|
||||
{
|
||||
|
||||
int i;
|
||||
|
||||
for (i=0; i<cc; i++)
|
||||
return(ethernet_read_data(device->Mod_id,ptimestamp,buff,i,nsamps));
|
||||
|
||||
}
|
||||
|
||||
void trx_eth_end(openair0_device *device)
|
||||
{
|
||||
|
||||
|
||||
int openair0_print_stats(openair0_device* device) {
|
||||
|
||||
return(0);
|
||||
|
||||
}
|
||||
int openair0_reset_stats(openair0_device* device) {
|
||||
|
||||
int openair0_stop(int dummy) {
|
||||
return(0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
void trx_eth_end(openair0_device *device) {
|
||||
// close all the sockets
|
||||
|
||||
|
||||
}
|
||||
|
||||
int num_devices = 0;
|
||||
|
||||
int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cfg)
|
||||
{
|
||||
int openair0_dev_init_eth(openair0_device *device, openair0_config_t *openair0_cfg){
|
||||
|
||||
printf("ETHERNET: Initializing openair0_device\n");
|
||||
device->Mod_id = num_devices++;
|
||||
device->trx_start_func = trx_eth_start;
|
||||
device->trx_end_func = trx_eth_end;
|
||||
device->trx_read_func = trx_eth_read;
|
||||
device->trx_write_func = trx_eth_write;
|
||||
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"));
|
||||
device->Mod_id = num_devices++;
|
||||
device->trx_request_func = trx_eth_request;
|
||||
device->trx_reply_func = trx_eth_reply;
|
||||
device->trx_end_func = trx_eth_end;
|
||||
device->trx_read_func = trx_eth_read;
|
||||
device->trx_write_func = trx_eth_write;
|
||||
|
||||
memcpy((void*)&device->openair0_cfg,(void*)openair0_cfg,sizeof(openair0_config_t));
|
||||
|
||||
if (ethernet_socket_init(device)!=0){
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user