diff --git a/openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c b/openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c index be4dd2db24a657c75db26a09fb458373dd89c20a..1bd4dc9e8d226eef0526dcd93e9df06892883bbd 100644 --- a/openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c +++ b/openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c @@ -38,65 +38,53 @@ int netlink_init(void) nas_sock_fd = socket(PF_NETLINK, SOCK_RAW,GRAAL_NETLINK_ID); if (nas_sock_fd == -1) { - printf("[NETLINK] Error opening socket %d\n",nas_sock_fd); - return(-1); + printf("[NETLINK] Error opening socket %d (%d:%s)\n",nas_sock_fd,errno, strerror(errno)); + exit(1); } printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd); ret = fcntl(nas_sock_fd,F_SETFL,O_NONBLOCK); - printf("[NETLINK] fcntl returns %d\n",ret); - - - nas_sock_fd = 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)); - exit(1); - } - printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd); - - - printf("[NETLINK] bind returns %d\n",ret); - if (ret == -1) { + if (ret == -1) { printf("[NETLINK] Error fcntl (%d:%s)\n",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_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 */ + 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)); - /* 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; + // TX PART + 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_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; + // 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; return(nas_sock_fd); }