231 static bool vhost_sock_zcopy(struct socket *sock)  in vhost_sock_zcopy()  argument
234 		sock_flag(sock->sk, SOCK_ZEROCOPY);  in vhost_sock_zcopy()
351 	struct socket *sock;  in handle_tx()  local
356 	sock = vq->private_data;  in handle_tx()
357 	if (!sock)  in handle_tx()
434 		err = sock->ops->sendmsg(NULL, sock, &msg, len);  in handle_tx()
462 static int peek_head_len(struct sock *sk)  in peek_head_len()
577 	struct socket *sock;  in handle_rx()  local
580 	sock = vq->private_data;  in handle_rx()
581 	if (!sock)  in handle_rx()
592 	while ((sock_len = peek_head_len(sock->sk))) {  in handle_rx()
604 			err = sock->ops->recvmsg(NULL, sock, &msg,  in handle_rx()
630 		err = sock->ops->recvmsg(NULL, sock, &msg,  in handle_rx()
762 	struct socket *sock;  in vhost_net_enable_vq()  local
764 	sock = vq->private_data;  in vhost_net_enable_vq()
765 	if (!sock)  in vhost_net_enable_vq()
768 	return vhost_poll_start(poll, sock->file);  in vhost_net_enable_vq()
774 	struct socket *sock;  in vhost_net_stop_vq()  local
777 	sock = vq->private_data;  in vhost_net_stop_vq()
781 	return sock;  in vhost_net_stop_vq()
846 	struct socket *sock = sockfd_lookup(fd, &r);  in get_raw_socket()  local
848 	if (!sock)  in get_raw_socket()
852 	if (sock->sk->sk_type != SOCK_RAW) {  in get_raw_socket()
857 	r = sock->ops->getname(sock, (struct sockaddr *)&uaddr.sa,  in get_raw_socket()
866 	return sock;  in get_raw_socket()
868 	sockfd_put(sock);  in get_raw_socket()
875 	struct socket *sock;  in get_tap_socket()  local
879 	sock = tun_get_socket(file);  in get_tap_socket()
880 	if (!IS_ERR(sock))  in get_tap_socket()
881 		return sock;  in get_tap_socket()
882 	sock = macvtap_get_socket(file);  in get_tap_socket()
883 	if (IS_ERR(sock))  in get_tap_socket()
885 	return sock;  in get_tap_socket()
890 	struct socket *sock;  in get_socket()  local
895 	sock = get_raw_socket(fd);  in get_socket()
896 	if (!IS_ERR(sock))  in get_socket()
897 		return sock;  in get_socket()
898 	sock = get_tap_socket(fd);  in get_socket()
899 	if (!IS_ERR(sock))  in get_socket()
900 		return sock;  in get_socket()
906 	struct socket *sock, *oldsock;  in vhost_net_set_backend()  local
930 	sock = get_socket(fd);  in vhost_net_set_backend()
931 	if (IS_ERR(sock)) {  in vhost_net_set_backend()
932 		r = PTR_ERR(sock);  in vhost_net_set_backend()
938 	if (sock != oldsock) {  in vhost_net_set_backend()
940 					     sock && vhost_sock_zcopy(sock));  in vhost_net_set_backend()
947 		vq->private_data = sock;  in vhost_net_set_backend()
986 	sockfd_put(sock);  in vhost_net_set_backend()