Commit f0e8581f authored by Aikaterini Trilyraki's avatar Aikaterini Trilyraki
Browse files

1. update ethernet library-raw/udp modes supported 2. rrh_gw UE/eNB_trasport...

1. update ethernet library-raw/udp modes supported 2. rrh_gw UE/eNB_trasport files updated accordingly
parent fd39e80e
/*******************************************************************************
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 1
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 ) {
local_mac = device->openair0_cfg.my_addr;
local_port = device->openair0_cfg.my_port;
remote_mac = "0:0:0:0:0:0";
remote_port = device->openair0_cfg.my_port;
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(device->openair0_cfg.my_addr, (struct ether_addr *)(&(eh.ether_shost)));
ether_aton_r(device->openair0_cfg.remote_addr, (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));
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;
}
/*******************************************************************************
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_in dest_addr[MAX_INST];
struct sockaddr_in local_addr[MAX_INST];
int addr_len[MAX_INST];
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);
}
/* apply additional configuration */
//ethernet_tune (device,MTU_SIZE,UDP_PACKET_SIZE_BYTES(device->openair0_cfg.samples_per_packet));
/* if RRH, then I am the server, so bind */
if (device->host_type == RRH_HOST) {
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));
}
/* if BBU, then I am a client, so connect */
} else {
printf("[%s] Connecting to %s:%d\n","BBU",str_remote,ntohs(dest_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;
*(int16_t *)(buff2 + sizeof(int16_t))=1+(i<<1);
*(openair0_timestamp *)(buff2 + sizeof(int32_t)) = timestamp;
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++;
}
}
/* 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,