133 	int fd = -1;  in create_tap_fd()  local
136 	fd = open(PATH_NET_TUN, O_RDWR);  in create_tap_fd()
137 	if (fd < 0) {  in create_tap_fd()
145 	err = ioctl(fd, TUNSETIFF, (void *) &ifr);  in create_tap_fd()
152 	ioctl(fd, TUNSETOFFLOAD, offload);  in create_tap_fd()
153 	return fd;  in create_tap_fd()
155 	if (fd >= 0)  in create_tap_fd()
156 		os_close_file(fd);  in create_tap_fd()
163 	int fd = -1;  in create_raw_fd()  local
167 	fd = socket(AF_PACKET, SOCK_RAW, flags);  in create_raw_fd()
168 	if (fd == -1) {  in create_raw_fd()
174 	if (ioctl(fd, SIOCGIFINDEX, (void *) &ifr) < 0) {  in create_raw_fd()
183 	if (bind(fd,  in create_raw_fd()
188 	return fd;  in create_raw_fd()
191 	if (fd >= 0)  in create_raw_fd()
192 		os_close_file(fd);  in create_raw_fd()
199 	int fd = -1, i;  in user_init_tap_fds()  local
233 		fd = create_tap_fd(iface);  in user_init_tap_fds()
234 		if ((fd < 0) && (!dynamic)) {  in user_init_tap_fds()
238 		result->tx_fd = fd;  in user_init_tap_fds()
239 		result->rx_fd = fd;  in user_init_tap_fds()
240 	} while (fd < 0);  in user_init_tap_fds()
250 	printk(UM_KERN_ERR "user_init_tap: init failed, error %d", fd);  in user_init_tap_fds()
308 	int fd = -1;  in user_init_unix_fds()  local
349 	fd = socket(AF_UNIX, socktype, 0);  in user_init_unix_fds()
350 	if (fd == -1) {  in user_init_unix_fds()
358 		if (bind(fd, (struct sockaddr *) local_addr, sizeof(struct sockaddr_un))) {  in user_init_unix_fds()
365 		if (connect(fd, (const struct sockaddr *) remote_addr, sizeof(struct sockaddr_un)) < 0) {  in user_init_unix_fds()
371 	result->rx_fd = fd;  in user_init_unix_fds()
372 	result->tx_fd = fd;  in user_init_unix_fds()
377 	if (fd >= 0)  in user_init_unix_fds()
378 		os_close_file(fd);  in user_init_unix_fds()
386 	long fd;  in strtofd()  local
393 	fd = strtol(nptr, &endptr, 10);  in strtofd()
397 		fd < 0 ||  in strtofd()
398 		fd > INT_MAX) {  in strtofd()
401 	return fd;  in strtofd()
406 	int fd = -1;  in user_init_fd_fds()  local
411 	fd = strtofd(fdarg);  in user_init_fd_fds()
412 	if (fd == -1) {  in user_init_fd_fds()
423 	result->rx_fd = fd;  in user_init_fd_fds()
424 	result->tx_fd = fd;  in user_init_fd_fds()
430 	if (fd >= 0)  in user_init_fd_fds()
431 		os_close_file(fd);  in user_init_fd_fds()
478 bool uml_raw_enable_qdisc_bypass(int fd)  in uml_raw_enable_qdisc_bypass()  argument
482 	if (setsockopt(fd,  in uml_raw_enable_qdisc_bypass()
490 bool uml_raw_enable_vnet_headers(int fd)  in uml_raw_enable_vnet_headers()  argument
494 	if (setsockopt(fd,  in uml_raw_enable_vnet_headers()
497 		printk(UM_KERN_INFO VNET_HDR_FAIL, fd);  in uml_raw_enable_vnet_headers()
502 bool uml_tap_enable_vnet_headers(int fd)  in uml_tap_enable_vnet_headers()  argument
507 	if (ioctl(fd, TUNGETFEATURES, &features) == -1) {  in uml_tap_enable_vnet_headers()
515 	ioctl(fd, TUNSETVNETHDRSZ, &len);  in uml_tap_enable_vnet_headers()
522 	int fd = -1, gairet;  in user_init_socket_fds()  local
585 	fd = socket(gairesult->ai_family,  in user_init_socket_fds()
587 	if (fd == -1) {  in user_init_socket_fds()
594 	if (bind(fd,  in user_init_socket_fds()
617 		result->rx_fd = fd;  in user_init_socket_fds()
618 		result->tx_fd = fd;  in user_init_socket_fds()
636 	if (fd >= 0)  in user_init_socket_fds()
637 		os_close_file(fd);  in user_init_socket_fds()
679 int uml_vector_sendmsg(int fd, void *hdr, int flags)  in uml_vector_sendmsg()  argument
683 	CATCH_EINTR(n = sendmsg(fd, (struct msghdr *) hdr,  flags));  in uml_vector_sendmsg()
692 int uml_vector_recvmsg(int fd, void *hdr, int flags)  in uml_vector_recvmsg()  argument
697 	CATCH_EINTR(n = readv(fd, msg->msg_iov, msg->msg_iovlen));  in uml_vector_recvmsg()
706 int uml_vector_writev(int fd, void *hdr, int iovcount)  in uml_vector_writev()  argument
710 	CATCH_EINTR(n = writev(fd, (struct iovec *) hdr,  iovcount));  in uml_vector_writev()
720 	int fd,  in uml_vector_sendmmsg()  argument
727 	CATCH_EINTR(n = sendmmsg(fd, (struct mmsghdr *) msgvec, vlen, flags));  in uml_vector_sendmmsg()
737 	int fd,  in uml_vector_recvmmsg()  argument
745 		n = recvmmsg(fd, (struct mmsghdr *) msgvec, vlen, flags, 0));  in uml_vector_recvmmsg()
753 int uml_vector_attach_bpf(int fd, void *bpf)  in uml_vector_attach_bpf()  argument
757 	int err = setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, bpf, sizeof(struct sock_fprog));  in uml_vector_attach_bpf()
760 		printk(KERN_ERR BPF_ATTACH_FAIL, prog->len, prog->filter, fd, -errno);  in uml_vector_attach_bpf()
764 int uml_vector_detach_bpf(int fd, void *bpf)  in uml_vector_detach_bpf()  argument
768 	int err = setsockopt(fd, SOL_SOCKET, SO_DETACH_FILTER, bpf, sizeof(struct sock_fprog));  in uml_vector_detach_bpf()
770 		printk(KERN_ERR BPF_DETACH_FAIL, prog->len, prog->filter, fd, -errno);  in uml_vector_detach_bpf()