drivers/xen/pvcalls-front.c

10 #include <net/sock.h>
28 	.obj_size = sizeof(struct sock),
59 	struct socket *sock;
99 static inline struct sock_mapping *pvcalls_enter_sock(struct socket *sock)
107 	map = (struct sock_mapping *)sock->sk->sk_send_head;
116 static inline void pvcalls_exit_sock(struct socket *sock)
120 	map = (struct sock_mapping *)sock->sk->sk_send_head;
270 int pvcalls_front_socket(struct socket *sock)
284 	if (sock->type != SOCK_STREAM)
311 	 * sock->sk->sk_send_head is not used for ip sockets: reuse the
316 	sock->sk->sk_send_head = (void *)map;
422 int pvcalls_front_connect(struct socket *sock, struct sockaddr *addr,
431 	if (addr->sa_family != AF_INET || sock->type != SOCK_STREAM)
434 	map = pvcalls_enter_sock(sock);
441 		pvcalls_exit_sock(sock);
447 		pvcalls_exit_sock(sock);
456 		pvcalls_exit_sock(sock);
470 	map->sock = sock;
486 	pvcalls_exit_sock(sock);
541 int pvcalls_front_sendmsg(struct socket *sock, struct msghdr *msg,
552 	map = pvcalls_enter_sock(sock);
559 		pvcalls_exit_sock(sock);
581 	pvcalls_exit_sock(sock);
634 int pvcalls_front_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
643 	map = pvcalls_enter_sock(sock);
666 	pvcalls_exit_sock(sock);
670 int pvcalls_front_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
677 	if (addr->sa_family != AF_INET || sock->type != SOCK_STREAM)
680 	map = pvcalls_enter_sock(sock);
689 		pvcalls_exit_sock(sock);
694 	map->sock = sock;
719 	pvcalls_exit_sock(sock);
723 int pvcalls_front_listen(struct socket *sock, int backlog)
730 	map = pvcalls_enter_sock(sock);
736 		pvcalls_exit_sock(sock);
744 		pvcalls_exit_sock(sock);
768 	pvcalls_exit_sock(sock);
772 int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags)
781 	map = pvcalls_enter_sock(sock);
787 		pvcalls_exit_sock(sock);
805 			pvcalls_exit_sock(sock);
811 			pvcalls_exit_sock(sock);
820 		pvcalls_exit_sock(sock);
828 		pvcalls_exit_sock(sock);
837 		pvcalls_exit_sock(sock);
848 		pvcalls_exit_sock(sock);
871 		pvcalls_exit_sock(sock);
877 		pvcalls_exit_sock(sock);
884 	map2->sock = newsock;
885 	newsock->sk = sk_alloc(sock_net(sock->sk), PF_INET, GFP_KERNEL, &pvcalls_proto, false);
892 		pvcalls_exit_sock(sock);
904 	pvcalls_exit_sock(sock);
988 __poll_t pvcalls_front_poll(struct file *file, struct socket *sock,
995 	map = pvcalls_enter_sock(sock);
1004 	pvcalls_exit_sock(sock);
1008 int pvcalls_front_release(struct socket *sock)
1015 	if (sock->sk == NULL)
1018 	map = pvcalls_enter_sock(sock);
1031 		pvcalls_exit_sock(sock);
1034 	sock->sk->sk_send_head = NULL;
1108 		map->sock->sk->sk_send_head = NULL;