2448 	socket_t so6 = NULL;  in nfs4_mount_callback_setup()  local
2530 	so6 = nfs4_cb_so6;  in nfs4_mount_callback_setup()
2532 	sock_setsockopt(so6, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));  in nfs4_mount_callback_setup()
2533 	sock_setsockopt(so6, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));  in nfs4_mount_callback_setup()
2541 	error = sock_bind(so6, (struct sockaddr *)&sin6);  in nfs4_mount_callback_setup()
2551 	error = sock_getsockname(so6, (struct sockaddr *)&sin6, sin6.sin6_len);  in nfs4_mount_callback_setup()
2558 	error = sock_listen(so6, 32);  in nfs4_mount_callback_setup()
2567 	error = sock_setsockopt(so6, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo));  in nfs4_mount_callback_setup()
2571 	error = sock_setsockopt(so6, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));  in nfs4_mount_callback_setup()
2575 	sock_setsockopt(so6, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));  in nfs4_mount_callback_setup()
2576 	sock_setsockopt(so6, SOL_SOCKET, SO_NOADDRERR, &on, sizeof(on));  in nfs4_mount_callback_setup()
2577 	sock_setsockopt(so6, SOL_SOCKET, SO_UPCALLCLOSEWAIT, &on, sizeof(on));  in nfs4_mount_callback_setup()
2588 		if (so6) {  in nfs4_mount_callback_setup()
2589 			sock_shutdown(so6, SHUT_RDWR);  in nfs4_mount_callback_setup()
2590 			sock_close(so6);  in nfs4_mount_callback_setup()
2608 	socket_t so, so6;  in nfs4_mount_callback_shutdown()  local
2628 	so6 = nfs4_cb_so6;  in nfs4_mount_callback_shutdown()
2637 	if (so6) {  in nfs4_mount_callback_shutdown()
2638 		sock_shutdown(so6, SHUT_RDWR);  in nfs4_mount_callback_shutdown()
2639 		sock_close(so6);  in nfs4_mount_callback_shutdown()