Commit db8c2a05 authored by knopp's avatar knopp

update of ETHERNET interfaces (removal of global variables).

parent 5affbe38
......@@ -52,9 +52,9 @@
#include "common_lib.h"
#include "ethernet_lib.h"
int num_devices_eth = 0;
struct sockaddr_in dest_addr[MAX_INST];
int dest_addr_len[MAX_INST];
//int num_devices_eth = 0;
//struct sockaddr_in dest_addr[MAX_INST];
//int dest_addr_len[MAX_INST];
int trx_eth_start(openair0_device *device) {
......@@ -119,13 +119,12 @@ int trx_eth_start(openair0_device *device) {
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 */
if ( close(eth->sockfd[Mod_id]) <0 ) {
if ( close(eth->sockfd) <0 ) {
perror("ETHERNET: Failed to close socket");
exit(0);
} else {
printf("[%s] socket for mod_id %d has been successfully closed.\n",(device->host_type == BBU_HOST)? "BBU":"RRH",Mod_id);
printf("[%s] socket has been successfully closed.\n",(device->host_type == BBU_HOST)? "BBU":"RRH");
}
}
......@@ -133,15 +132,15 @@ void trx_eth_end(openair0_device *device) {
int trx_eth_request(openair0_device *device, void *msg, ssize_t msg_len) {
int Mod_id = device->Mod_id;
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 *)&dest_addr[Mod_id],dest_addr_len[Mod_id])==-1) {
if (sendto(eth->sockfd,msg,msg_len,0,(struct sockaddr *)&eth->dest_addr,eth->addr_len)==-1) {
perror("ETHERNET: ");
exit(0);
}
return 0;
}
......@@ -149,19 +148,21 @@ 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;
int Mod_id = device->Mod_id;
/* RRH receives from BBU a message */
if (recvfrom(eth->sockfd[Mod_id],
if (recvfrom(eth->sockfd,
msg,
msg_len,
0,
(struct sockaddr *)&dest_addr[Mod_id],
(socklen_t *)&dest_addr_len[Mod_id])==-1) {
perror("ETHERNET: ");
exit(0);
}
(struct sockaddr *)&eth->dest_addr,
(socklen_t *)&eth->addr_len)==-1) {
perror("ETHERNET: recv_from in trx_eth_reply ");
exit(0);
}
return 0;
}
......@@ -191,7 +192,6 @@ int trx_eth_reset_stats(openair0_device* device) {
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;
struct timeval timeout;
struct ifreq ifr;
char system_cmd[256];
......@@ -204,7 +204,7 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
/****************** socket level options ************************/
switch(option) {
case SND_BUF_SIZE: /* transmit socket buffer size */
if (setsockopt(eth->sockfd[Mod_id],
if (setsockopt(eth->sockfd,
SOL_SOCKET,
SO_SNDBUF,
&value,sizeof(value))) {
......@@ -215,7 +215,7 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
break;
case RCV_BUF_SIZE: /* receive socket buffer size */
if (setsockopt(eth->sockfd[Mod_id],
if (setsockopt(eth->sockfd,
SOL_SOCKET,
SO_RCVBUF,
&value,sizeof(value))) {
......@@ -228,7 +228,7 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
case RCV_TIMEOUT:
timeout.tv_sec = value/1000000;
timeout.tv_usec = value%1000000;//less than rt_period?
if (setsockopt(eth->sockfd[Mod_id],
if (setsockopt(eth->sockfd,
SOL_SOCKET,
SO_RCVTIMEO,
(char *)&timeout,sizeof(timeout))) {
......@@ -241,7 +241,7 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
case SND_TIMEOUT:
timeout.tv_sec = value/1000000000;
timeout.tv_usec = value%1000000000;//less than rt_period?
if (setsockopt(eth->sockfd[Mod_id],
if (setsockopt(eth->sockfd,
SOL_SOCKET,
SO_SNDTIMEO,
(char *)&timeout,sizeof(timeout))) {
......@@ -255,27 +255,27 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
/******************* interface level options *************************/
case MTU_SIZE: /* change MTU of the eth interface */
ifr.ifr_addr.sa_family = AF_INET;
strncpy(ifr.ifr_name,eth->if_name[Mod_id], sizeof(ifr.ifr_name));
strncpy(ifr.ifr_name,eth->if_name, sizeof(ifr.ifr_name));
ifr.ifr_mtu =value;
if (ioctl(eth->sockfd[Mod_id],SIOCSIFMTU,(caddr_t)&ifr) < 0 )
if (ioctl(eth->sockfd,SIOCSIFMTU,(caddr_t)&ifr) < 0 )
perror ("[ETHERNET] Can't set the MTU");
else
printf("[ETHERNET] %s MTU size has changed to %d\n",eth->if_name[Mod_id],ifr.ifr_mtu);
printf("[ETHERNET] %s MTU size has changed to %d\n",eth->if_name,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,eth->if_name[Mod_id], sizeof(ifr.ifr_name));
strncpy(ifr.ifr_name,eth->if_name, sizeof(ifr.ifr_name));
ifr.ifr_qlen =value;
if (ioctl(eth->sockfd[Mod_id],SIOCSIFTXQLEN,(caddr_t)&ifr) < 0 )
if (ioctl(eth->sockfd,SIOCSIFTXQLEN,(caddr_t)&ifr) < 0 )
perror ("[ETHERNET] Can't set the txqueuelen");
else
printf("[ETHERNET] %s txqueuelen size has changed to %d\n",eth->if_name[Mod_id],ifr.ifr_qlen);
printf("[ETHERNET] %s txqueuelen size has changed to %d\n",eth->if_name,ifr.ifr_qlen);
break;
/******************* device level options *************************/
case COALESCE_PAR:
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -C %s rx-usecs %d",eth->if_name[Mod_id],value);
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -C %s rx-usecs %d",eth->if_name,value);
if (ret > 0) {
ret=system(system_cmd);
if (ret == -1) {
......@@ -290,8 +290,8 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
break;
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]);
if (value==1) ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -A %s autoneg off rx off tx off",eth->if_name);
else if (value==0) ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -A %s autoneg on rx on tx on",eth->if_name);
else break;
if (ret > 0) {
ret=system(system_cmd);
......@@ -307,7 +307,7 @@ int ethernet_tune(openair0_device *device, unsigned int option, int value) {
break;
case RING_PAR:
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -G %s val %d",eth->if_name[Mod_id],value);
ret=snprintf(system_cmd,sizeof(system_cmd),"ethtool -G %s val %d",eth->if_name,value);
if (ret > 0) {
ret=system(system_cmd);
if (ret == -1) {
......@@ -351,7 +351,7 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
}
printf("[ETHERNET]: Initializing openair0_device for %s ...\n", ((device->host_type == BBU_HOST) ? "BBU": "RRH"));
device->Mod_id = num_devices_eth++;
device->Mod_id = 0;//num_devices_eth++;
device->transp_type = ETHERNET_TP;
device->trx_start_func = trx_eth_start;
device->trx_request_func = trx_eth_request;
......@@ -383,7 +383,7 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
//device->trx_read_func = trx_eth_read_udp_IF4p5;
}
eth->if_name[device->Mod_id] = eth_params->local_if_name;
eth->if_name = eth_params->local_if_name;
device->priv = eth;
/* device specific */
......
......@@ -62,11 +62,23 @@
typedef struct {
/*!\brief socket file desc */
int sockfd[MAX_INST];
int sockfd;
/*!\brief interface name */
char *if_name[MAX_INST];
char *if_name;
/*!\brief buffer size */
unsigned int buffer_size;
/*!\brief destination address for UDP socket*/
struct sockaddr_in dest_addr;
/*!\brief local address for UDP socket*/
struct sockaddr_in local_addr;
/*!\brief address length for both UDP and RAW socket*/
int addr_len;
/*!\brief destination address for RAW socket*/
struct sockaddr_ll dest_addr_ll;
/*!\brief local address for RAW socket*/
struct sockaddr_ll local_addr_ll;
/*!\brief inteface index for RAW socket*/
struct ifreq if_index;
/*!\brief timeout ms */
unsigned int rx_timeout_ms;
/*!\brief timeout ms */
......
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