BSD 4.4 Lite Kernel Sources

1 files changed, 88 insertions, 0 deletions

diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h
new file mode 100644
index 0000000..c853247
--- /dev/null
+++ b/sys/netinet/in_pcb.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)in_pcb.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Common structure pcb for internet protocol implementation.
+ * Here are stored pointers to local and foreign host table
+ * entries, local and foreign socket numbers, and pointers
+ * up (to a socket structure) and down (to a protocol-specific)
+ * control block.
+ */
+struct inpcb {
+	struct	inpcb *inp_next,*inp_prev;
+					/* pointers to other pcb's */
+	struct	inpcb *inp_head;	/* pointer back to chain of inpcb's
+					   for this protocol */
+	struct	in_addr inp_faddr;	/* foreign host table entry */
+	u_short	inp_fport;		/* foreign port */
+	struct	in_addr inp_laddr;	/* local host table entry */
+	u_short	inp_lport;		/* local port */
+	struct	socket *inp_socket;	/* back pointer to socket */
+	caddr_t	inp_ppcb;		/* pointer to per-protocol pcb */
+	struct	route inp_route;	/* placeholder for routing entry */
+	int	inp_flags;		/* generic IP/datagram flags */
+	struct	ip inp_ip;		/* header prototype; should have more */
+	struct	mbuf *inp_options;	/* IP options */
+	struct	ip_moptions *inp_moptions; /* IP multicast options */
+};
+
+/* flags in inp_flags: */
+#define	INP_RECVOPTS		0x01	/* receive incoming IP options */
+#define	INP_RECVRETOPTS		0x02	/* receive IP options for reply */
+#define	INP_RECVDSTADDR		0x04	/* receive IP dst address */
+#define	INP_CONTROLOPTS		(INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR)
+#define	INP_HDRINCL		0x08	/* user supplies entire IP header */
+
+#define	INPLOOKUP_WILDCARD	1
+#define	INPLOOKUP_SETLOCAL	2
+
+#define	sotoinpcb(so)	((struct inpcb *)(so)->so_pcb)
+
+#ifdef KERNEL
+int	 in_losing __P((struct inpcb *));
+int	 in_pcballoc __P((struct socket *, struct inpcb *));
+int	 in_pcbbind __P((struct inpcb *, struct mbuf *));
+int	 in_pcbconnect __P((struct inpcb *, struct mbuf *));
+int	 in_pcbdetach __P((struct inpcb *));
+int	 in_pcbdisconnect __P((struct inpcb *));
+struct inpcb *
+	 in_pcblookup __P((struct inpcb *,
+	    struct in_addr, u_int, struct in_addr, u_int, int));
+int	 in_pcbnotify __P((struct inpcb *, struct sockaddr *,
+	    u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
+void	 in_rtchange __P((struct inpcb *, int));
+int	 in_setpeeraddr __P((struct inpcb *, struct mbuf *));
+int	 in_setsockaddr __P((struct inpcb *, struct mbuf *));
+#endif