include/linux/net.h

2  * NET		An implementation of the SOCKET network access protocol.
21 #include <linux/socket.h>
22 #include <asm/socket.h>
49 	SS_UNCONNECTED,			/* unconnected to any socket	*/
51 	SS_CONNECTED,			/* connected to socket		*/
78  * enum sock_type - Socket types
79  * @SOCK_STREAM: stream (connection) socket
80  * @SOCK_DGRAM: datagram (conn.less) socket
81  * @SOCK_RAW: raw socket
83  * @SOCK_SEQPACKET: sequential packet socket
84  * @SOCK_DCCP: Datagram Congestion Control Protocol socket
88  * When adding some new socket type please
89  * grep ARCH_HAS_SOCKET_TYPE include/asm-* /socket.h, at least MIPS
107 /* Flags for socket, socketpair, accept4 */
129  *  struct socket - general BSD socket
130  *  @state: socket state (%SS_CONNECTED, etc)
131  *  @type: socket type (%SOCK_STREAM, etc)
132  *  @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
133  *  @ops: protocol specific socket operations
135  *  @sk: internal networking protocol agnostic socket representation
138 struct socket {  struct
164 	int		(*release)   (struct socket *sock);  argument
165 	int		(*bind)	     (struct socket *sock,
168 	int		(*connect)   (struct socket *sock,
171 	int		(*socketpair)(struct socket *sock1,
172 				      struct socket *sock2);
173 	int		(*accept)    (struct socket *sock,
174 				      struct socket *newsock, int flags);
175 	int		(*getname)   (struct socket *sock,
178 	unsigned int	(*poll)	     (struct file *file, struct socket *sock,
180 	int		(*ioctl)     (struct socket *sock, unsigned int cmd,
183 	int	 	(*compat_ioctl) (struct socket *sock, unsigned int cmd,
186 	int		(*listen)    (struct socket *sock, int len);
187 	int		(*shutdown)  (struct socket *sock, int flags);
188 	int		(*setsockopt)(struct socket *sock, int level,
190 	int		(*getsockopt)(struct socket *sock, int level,
193 	int		(*compat_setsockopt)(struct socket *sock, int level,
195 	int		(*compat_getsockopt)(struct socket *sock, int level,
198 	int		(*sendmsg)   (struct kiocb *iocb, struct socket *sock,
200 	int		(*recvmsg)   (struct kiocb *iocb, struct socket *sock,
203 	int		(*mmap)	     (struct file *file, struct socket *sock,
205 	ssize_t		(*sendpage)  (struct socket *sock, struct page *page,
207 	ssize_t 	(*splice_read)(struct socket *sock,  loff_t *ppos,
216 	int		(*create)(struct net *net, struct socket *sock,
231 extern int	     sock_wake_async(struct socket *sk, int how, int band);
235 				 struct socket **res, int kern);
237 				 struct socket **res);
239 				      struct socket **res);
241 				      struct socket **res);
242 extern void	     sock_release(struct socket *sock);
243 extern int   	     sock_sendmsg(struct socket *sock, struct msghdr *msg,
245 extern int	     sock_recvmsg(struct socket *sock, struct msghdr *msg,
247 extern int 	     sock_map_fd(struct socket *sock, int flags);
248 extern struct socket *sockfd_lookup(int fd, int *err);
255 extern int   	     kernel_sendmsg(struct socket *sock, struct msghdr *msg,
257 extern int   	     kernel_recvmsg(struct socket *sock, struct msghdr *msg,
261 extern int kernel_bind(struct socket *sock, struct sockaddr *addr,
263 extern int kernel_listen(struct socket *sock, int backlog);
264 extern int kernel_accept(struct socket *sock, struct socket **newsock,
266 extern int kernel_connect(struct socket *sock, struct sockaddr *addr,
268 extern int kernel_getsockname(struct socket *sock, struct sockaddr *addr,
270 extern int kernel_getpeername(struct socket *sock, struct sockaddr *addr,
272 extern int kernel_getsockopt(struct socket *sock, int level, int optname,
274 extern int kernel_setsockopt(struct socket *sock, int level, int optname,
276 extern int kernel_sendpage(struct socket *sock, struct page *page, int offset,
278 extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
279 extern int kernel_sock_shutdown(struct socket *sock,