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attempt to fix l2 simulator issue

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This commit is contained in:
frtabu
2019-02-19 19:50:44 +01:00
parent 3f61d5f720
commit eb26975451
6 changed files with 114 additions and 173 deletions
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openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c
+51 -48
View File
@@ -56,7 +56,7 @@ struct nlmsghdr *nas_nlh_rx = NULL;
struct iovec nas_iov_tx;
struct iovec nas_iov_rx = {nl_rx_buf, sizeof(nl_rx_buf)};
int nas_sock_fd;
int nas_sock_fd[MAX_MOBILES_PER_ENB];
struct msghdr nas_msg_tx;
struct msghdr nas_msg_rx;
@@ -96,72 +96,75 @@ static int tun_alloc(char *dev) {
int netlink_init_tun(void) {
int ret;
char ifname[64];
sprintf(ifname, "oip1");
nas_sock_fd = tun_alloc(ifname);
if (nas_sock_fd == -1) {
printf("[NETLINK] Error opening socket %d (%d:%s)\n",nas_sock_fd,errno, strerror(errno));
exit(1);
}
for (int i = 0; i < NUMBER_OF_UE_MAX; i++) {
sprintf(ifname, "oaitun_ue%d",i+1);
nas_sock_fd[i] = tun_alloc(ifname);
printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd);
ret = fcntl(nas_sock_fd,F_SETFL,O_NONBLOCK);
if (ret == -1) {
printf("[NETLINK] Error fcntl (%d:%s)\n",errno, strerror(errno));
if (LINK_ENB_PDCP_TO_IP_DRIVER) {
if (nas_sock_fd[i] == -1) {
printf("[NETLINK] Error opening socket %s (%d:%s)\n",ifname,errno, strerror(errno));
exit(1);
}
}
memset(&nas_src_addr, 0, sizeof(nas_src_addr));
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_fd, (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
nas_dest_addr.nl_groups = 0; /* unicast */
printf("[NETLINK]Opened socket %s with fd %d\n",ifname,nas_sock_fd[i]);
ret = fcntl(nas_sock_fd[i],F_SETFL,O_NONBLOCK);
if (ret == -1) {
printf("[NETLINK] Error fcntl (%d:%s)\n",errno, strerror(errno));
if (LINK_ENB_PDCP_TO_IP_DRIVER) {
exit(1);
}
}
memset(&nas_src_addr, 0, sizeof(nas_src_addr));
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_fd[i], (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
nas_dest_addr.nl_groups = 0; /* unicast */
// TX PART
nas_nlh_tx=(struct nlmsghdr *)malloc(NLMSG_SPACE(NL_MAX_PAYLOAD));
memset(nas_nlh_tx, 0, NLMSG_SPACE(NL_MAX_PAYLOAD));
nas_nlh_tx=(struct nlmsghdr *)malloc(NLMSG_SPACE(NL_MAX_PAYLOAD));
memset(nas_nlh_tx, 0, NLMSG_SPACE(NL_MAX_PAYLOAD));
/* Fill the netlink message header */
nas_nlh_tx->nlmsg_len = NLMSG_SPACE(NL_MAX_PAYLOAD);
nas_nlh_tx->nlmsg_pid = 1;//getpid(); /* self pid */
nas_nlh_tx->nlmsg_flags = 0;
nas_iov_tx.iov_base = (void *)nas_nlh_tx;
nas_iov_tx.iov_len = nas_nlh_tx->nlmsg_len;
memset(&nas_msg_tx,0,sizeof(nas_msg_tx));
nas_msg_tx.msg_name = (void *)&nas_dest_addr;
nas_msg_tx.msg_namelen = sizeof(nas_dest_addr);
nas_msg_tx.msg_iov = &nas_iov_tx;
nas_msg_tx.msg_iovlen = 1;
nas_nlh_tx->nlmsg_len = NLMSG_SPACE(NL_MAX_PAYLOAD);
nas_nlh_tx->nlmsg_pid = 1;//getpid(); /* self pid */
nas_nlh_tx->nlmsg_flags = 0;
nas_iov_tx.iov_base = (void *)nas_nlh_tx;
nas_iov_tx.iov_len = nas_nlh_tx->nlmsg_len;
memset(&nas_msg_tx,0,sizeof(nas_msg_tx));
nas_msg_tx.msg_name = (void *)&nas_dest_addr;
nas_msg_tx.msg_namelen = sizeof(nas_dest_addr);
nas_msg_tx.msg_iov = &nas_iov_tx;
nas_msg_tx.msg_iovlen = 1;
// RX PART
memset(&nas_msg_rx,0,sizeof(nas_msg_rx));
nas_msg_rx.msg_name = (void *)&nas_src_addr;
nas_msg_rx.msg_namelen = sizeof(nas_src_addr);
nas_msg_rx.msg_iov = &nas_iov_rx;
nas_msg_rx.msg_iovlen = 1;
memset(&nas_msg_rx,0,sizeof(nas_msg_rx));
nas_msg_rx.msg_name = (void *)&nas_src_addr;
nas_msg_rx.msg_namelen = sizeof(nas_src_addr);
nas_msg_rx.msg_iov = &nas_iov_rx;
nas_msg_rx.msg_iovlen = 1;
} /* for */
return 1;
}
int netlink_init(void) {
int ret;
nas_sock_fd = socket(PF_NETLINK, SOCK_RAW,GRAAL_NETLINK_ID);
nas_sock_fd[0] = socket(PF_NETLINK, SOCK_RAW,GRAAL_NETLINK_ID);
if (nas_sock_fd == -1) {
printf("[NETLINK] Error opening socket %d (%d:%s)\n",nas_sock_fd,errno, strerror(errno));
if (nas_sock_fd[0] == -1) {
printf("[NETLINK] Error opening socket %d (%d:%s)\n",nas_sock_fd[0],errno, strerror(errno));
if (LINK_ENB_PDCP_TO_IP_DRIVER) {
exit(1);
}
}
printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd);
ret = fcntl(nas_sock_fd,F_SETFL,O_NONBLOCK);
printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd[0]);
ret = fcntl(nas_sock_fd[0],F_SETFL,O_NONBLOCK);
if (ret == -1) {
printf("[NETLINK] Error fcntl (%d:%s)\n",errno, strerror(errno));
@@ -175,7 +178,7 @@ int netlink_init(void) {
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_fd, (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
ret = bind(nas_sock_fd[0], (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
@@ -200,6 +203,6 @@ int netlink_init(void) {
nas_msg_rx.msg_namelen = sizeof(nas_src_addr);
nas_msg_rx.msg_iov = &nas_iov_rx;
nas_msg_rx.msg_iovlen = 1;
return(nas_sock_fd);
return(nas_sock_fd[0]);
}