sys/sys/socketvar.h

80 TAILQ_HEAD(soqhead, socket);
83  * Variables for socket buffering.
88 	struct socket *sb_so;		/* back pointer to socket */
100 					   socket buffer */
116 #define	SB_AUTOSIZE	0x800		/* automatically size socket buffer */
119  * Kernel structure per socket.
124 struct socket {
127 	short		so_type;	/* generic type, see socket.h */
128 	short		so_options;	/* from socket call, see socket.h */
137  * If so_head is 0, socket is not related to an accept.
138  * For head socket so_q0 queues partially completed connections,
143  * and limit on number of queued connections for this socket.
145 	struct socket	*so_head;	/* back pointer to accept socket */
149 	TAILQ_ENTRY(socket) so_qe;	/* our queue entry (q or q0) */
162 	void		(*so_upcall) (struct socket *, void *, int, int);
164 	int		(*so_send) (struct socket *, struct mbuf *,
167 	int		(*so_receive) (struct socket *,
171 	struct mowner	*so_mowner;	/* who owns mbufs for this socket */
172 	struct uidinfo	*so_uidinfo;	/* who opened the socket */
180 	kauth_cred_t	so_cred;	/* socket credentials */
196 #define	SS_ISCONNECTED		0x002	/* socket connected to a peer */
204 #define	SS_ISDISCONNECTED	0x800	/* socket disconnected from peer */
212 #define	SS_ISAPIPE 		0x1000	/* socket is implementing a pipe */
213 #define	SS_NBIO			0x2000	/* socket is in non blocking I/O */
220 		(struct socket *, void *, int, int);
222 		(struct socket *, char *);
224 		(struct socket *);
249 struct	mbuf *getsombuf(struct socket *, int);
279 void	sbrelease(struct sockbuf *, struct socket *);
280 int	sbreserve(struct sockbuf *, u_long, struct socket *);
286 int	soabort(struct socket *);
287 int	soaccept(struct socket *, struct mbuf *);
288 int	sofamily(const struct socket *);
289 int	sobind(struct socket *, struct mbuf *, struct lwp *);
290 void	socantrcvmore(struct socket *);
291 void	socantsendmore(struct socket *);
292 int	soclose(struct socket *);
293 int	soconnect(struct socket *, struct mbuf *, struct lwp *);
294 int	soconnect2(struct socket *, struct socket *);
295 int	socreate(int, struct socket **, int, int, struct lwp *,
296 		 struct socket *);
297 int	fsocreate(int, struct socket **, int, int, struct lwp *, int *);
298 int	sodisconnect(struct socket *);
299 void	sofree(struct socket *);
300 int	sogetopt(struct socket *, struct sockopt *);
301 void	sohasoutofband(struct socket *);
302 void	soisconnected(struct socket *);
303 void	soisconnecting(struct socket *);
304 void	soisdisconnected(struct socket *);
305 void	soisdisconnecting(struct socket *);
306 int	solisten(struct socket *, int, struct lwp *);
307 struct socket *
308 	sonewconn(struct socket *, int);
309 void	soqinsque(struct socket *, struct socket *, int);
310 int	soqremque(struct socket *, int);
311 int	soreceive(struct socket *, struct mbuf **, struct uio *,
313 int	soreserve(struct socket *, u_long, u_long);
314 void	sorflush(struct socket *);
315 int	sosend(struct socket *, struct mbuf *, struct uio *,
317 int	sosetopt(struct socket *, struct sockopt *);
318 int	so_setsockopt(struct lwp *, struct socket *, int, int, const void *, size_t);
319 int	soshutdown(struct socket *, int);
320 void	sorestart(struct socket *);
321 void	sowakeup(struct socket *, struct sockbuf *, int);
323 int	sopoll(struct socket *, int);
324 struct	socket *soget(bool);
325 void	soput(struct socket *);
326 bool	solocked(struct socket *);
327 bool	solocked2(struct socket *, struct socket *);
330 int	sowait(struct socket *, bool, int);
331 void	solockretry(struct socket *, kmutex_t *);
332 void	sosetlock(struct socket *);
333 void	solockreset(struct socket *, kmutex_t *);
359  * Inline functions for sockets and socket buffering.
378  * How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
392 /* do we have to send all at once on a socket? */
394 sosendallatonce(struct socket *so)
402 soreadable(struct socket *so)
414 sowritable(struct socket *so)
453 sorwakeup(struct socket *so)
463 sowwakeup(struct socket *so)
473 solock(struct socket *so)
484 sounlock(struct socket *so)
495  * => panic if the socket buffer is inconsistent.
511 vaddr_t	sokvaalloc(vaddr_t, vsize_t, struct socket *);
516  * Values for socket-buffer-append priority argument to sbappendaddrchain().
519  *  SB_PRIO_NONE:  honour normal socket-buffer limits.
521  *  SB_PRIO_ONESHOT_OVERFLOW:  if the socket has any space,
526  *	aboce normal socket limits. Intended messages indicating
531  *	require "reliable" delivery, nd where the source socket/protocol
544 int	accept_filt_getopt(struct socket *, struct sockopt *);
545 int	accept_filt_setopt(struct socket *, const struct sockopt *);
546 int	accept_filt_clear(struct socket *);