BSD 4_3_Net_2 release

[unix-history] / usr / src / sys / sys / socket.h

diff --git a/usr/src/sys/sys/socket.h b/usr/src/sys/sys/socket.h
index ed39968..58febae 100644 (file)
--- a/usr/src/sys/sys/socket.h
+++ b/usr/src/sys/sys/socket.h
@@ -1,4 +1,37 @@
-/*     socket.h        6.1     83/07/29        */
+/*
+ * Copyright (c) 1982,1985,1986,1988 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.
+ *
+ *     @(#)socket.h    7.13 (Berkeley) 4/20/91
+ */

 
 /*
  * Definitions related to sockets: types, address families, options.
 
 /*
  * Definitions related to sockets: types, address families, options.


@@ -16,15 +49,40 @@
 /*
  * Option flags per-socket.
  */
 /*
  * Option flags per-socket.
  */

-#define        SO_DEBUG        0x01            /* turn on debugging info recording */
-#define        SO_ACCEPTCONN   0x02            /* socket has had listen() */
-#define        SO_REUSEADDR    0x04            /* allow local address reuse */
-#define        SO_KEEPALIVE    0x08            /* keep connections alive */
-#define        SO_DONTROUTE    0x10            /* just use interface addresses */
-                               /* 0x20 was SO_NEWFDONCONN */
-#define        SO_USELOOPBACK  0x40            /* bypass hardware when possible */
-#define        SO_LINGER       0x80            /* linger on close if data present */
-#define        SO_DONTLINGER   (~SO_LINGER)    /* ~SO_LINGER */
+#define        SO_DEBUG        0x0001          /* turn on debugging info recording */
+#define        SO_ACCEPTCONN   0x0002          /* socket has had listen() */
+#define        SO_REUSEADDR    0x0004          /* allow local address reuse */
+#define        SO_KEEPALIVE    0x0008          /* keep connections alive */
+#define        SO_DONTROUTE    0x0010          /* just use interface addresses */
+#define        SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
+#define        SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
+#define        SO_LINGER       0x0080          /* linger on close if data present */
+#define        SO_OOBINLINE    0x0100          /* leave received OOB data in line */
+
+/*
+ * Additional options, not kept in so_options.
+ */
+#define SO_SNDBUF      0x1001          /* send buffer size */
+#define SO_RCVBUF      0x1002          /* receive buffer size */
+#define SO_SNDLOWAT    0x1003          /* send low-water mark */
+#define SO_RCVLOWAT    0x1004          /* receive low-water mark */
+#define SO_SNDTIMEO    0x1005          /* send timeout */
+#define SO_RCVTIMEO    0x1006          /* receive timeout */
+#define        SO_ERROR        0x1007          /* get error status and clear */
+#define        SO_TYPE         0x1008          /* get socket type */
+
+/*
+ * Structure used for manipulating linger option.
+ */
+struct linger {
+       int     l_onoff;                /* option on/off */
+       int     l_linger;               /* linger time */
+};
+
+/*
+ * Level number for (get/set)sockopt() to apply to socket itself.
+ */
+#define        SOL_SOCKET      0xffff          /* options for socket level */

 
 /*
  * Address families.
 
 /*
  * Address families.


@@ -36,21 +94,31 @@
 #define        AF_PUP          4               /* pup protocols: e.g. BSP */
 #define        AF_CHAOS        5               /* mit CHAOS protocols */
 #define        AF_NS           6               /* XEROX NS protocols */
 #define        AF_PUP          4               /* pup protocols: e.g. BSP */
 #define        AF_CHAOS        5               /* mit CHAOS protocols */
 #define        AF_NS           6               /* XEROX NS protocols */

-#define        AF_NBS          7               /* nbs protocols */
+#define        AF_ISO          7               /* ISO protocols */
+#define        AF_OSI          AF_ISO

 #define        AF_ECMA         8               /* european computer manufacturers */
 #define        AF_DATAKIT      9               /* datakit protocols */
 #define        AF_CCITT        10              /* CCITT protocols, X.25 etc */
 #define        AF_SNA          11              /* IBM SNA */
 #define        AF_ECMA         8               /* european computer manufacturers */
 #define        AF_DATAKIT      9               /* datakit protocols */
 #define        AF_CCITT        10              /* CCITT protocols, X.25 etc */
 #define        AF_SNA          11              /* IBM SNA */

+#define AF_DECnet      12              /* DECnet */
+#define AF_DLI         13              /* DEC Direct data link interface */
+#define AF_LAT         14              /* LAT */
+#define        AF_HYLINK       15              /* NSC Hyperchannel */
+#define        AF_APPLETALK    16              /* Apple Talk */
+#define        AF_ROUTE        17              /* Internal Routing Protocol */
+#define        AF_LINK         18              /* Link layer interface */
+#define        pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */

 
 

-#define        AF_MAX          12
+#define        AF_MAX          20

 
 /*
  * Structure used by kernel to store most
  * addresses.
  */
 struct sockaddr {
 
 /*
  * Structure used by kernel to store most
  * addresses.
  */
 struct sockaddr {

-       u_short sa_family;              /* address family */
-       char    sa_data[14];            /* up to 14 bytes of direct address */
+       u_char  sa_len;                 /* total length */
+       u_char  sa_family;              /* address family */
+       char    sa_data[14];            /* actually longer; address value */

 };
 
 /*
 };
 
 /*


@@ -72,18 +140,22 @@ struct sockproto {
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS
 #define        PF_NS           AF_NS
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS
 #define        PF_NS           AF_NS

-#define        PF_NBS          AF_NBS
+#define        PF_ISO          AF_ISO
+#define        PF_OSI          AF_ISO

 #define        PF_ECMA         AF_ECMA
 #define        PF_DATAKIT      AF_DATAKIT
 #define        PF_CCITT        AF_CCITT
 #define        PF_SNA          AF_SNA
 #define        PF_ECMA         AF_ECMA
 #define        PF_DATAKIT      AF_DATAKIT
 #define        PF_CCITT        AF_CCITT
 #define        PF_SNA          AF_SNA

+#define PF_DECnet      AF_DECnet
+#define PF_DLI         AF_DLI
+#define PF_LAT         AF_LAT
+#define        PF_HYLINK       AF_HYLINK
+#define        PF_APPLETALK    AF_APPLETALK
+#define        PF_ROUTE        AF_ROUTE
+#define        PF_LINK         AF_LINK
+#define        PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */

 
 

-#define        PF_MAX          12
-
-/*
- * Level number for (get/set)sockopt() to apply to socket itself.
- */
-#define        SOL_SOCKET      0xffff          /* options for socket level */
+#define        PF_MAX          AF_MAX

 
 /*
  * Maximum queue length specifiable by listen.
 
 /*
  * Maximum queue length specifiable by listen.


@@ -92,8 +164,66 @@ struct sockproto {
 
 /*
  * Message header for recvmsg and sendmsg calls.
 
 /*
  * Message header for recvmsg and sendmsg calls.

+ * Used value-result for recvmsg, value only for sendmsg.

  */
 struct msghdr {
  */
 struct msghdr {

+       caddr_t msg_name;               /* optional address */
+       u_int   msg_namelen;            /* size of address */
+       struct  iovec *msg_iov;         /* scatter/gather array */
+       u_int   msg_iovlen;             /* # elements in msg_iov */
+       caddr_t msg_control;            /* ancillary data, see below */
+       u_int   msg_controllen;         /* ancillary data buffer len */
+       int     msg_flags;              /* flags on received message */
+};
+
+#define        MSG_OOB         0x1             /* process out-of-band data */
+#define        MSG_PEEK        0x2             /* peek at incoming message */
+#define        MSG_DONTROUTE   0x4             /* send without using routing tables */
+#define        MSG_EOR         0x8             /* data completes record */
+#define        MSG_TRUNC       0x10            /* data discarded before delivery */
+#define        MSG_CTRUNC      0x20            /* control data lost before delivery */
+#define        MSG_WAITALL     0x40            /* wait for full request or error */
+
+/*
+ * Header for ancillary data objects in msg_control buffer.
+ * Used for additional information with/about a datagram
+ * not expressible by flags.  The format is a sequence
+ * of message elements headed by cmsghdr structures.
+ */
+struct cmsghdr {
+       u_int   cmsg_len;               /* data byte count, including hdr */
+       int     cmsg_level;             /* originating protocol */
+       int     cmsg_type;              /* protocol-specific type */
+/* followed by u_char  cmsg_data[]; */
+};
+
+/* given pointer to struct adatahdr, return pointer to data */
+#define        CMSG_DATA(cmsg)         ((u_char *)((cmsg) + 1))
+
+/* given pointer to struct adatahdr, return pointer to next adatahdr */
+#define        CMSG_NXTHDR(mhdr, cmsg) \
+       (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \
+           (mhdr)->msg_control + (mhdr)->msg_controllen) ? \
+           (struct cmsghdr *)NULL : \
+           (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))
+
+#define        CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)
+
+/* "Socket"-level control message types: */
+#define        SCM_RIGHTS      0x01            /* access rights (array of int) */
+
+/*
+ * 4.3 compat sockaddr, move to compat file later
+ */
+struct osockaddr {
+       u_short sa_family;              /* address family */
+       char    sa_data[14];            /* up to 14 bytes of direct address */
+};
+
+/*
+ * 4.3-compat message header (move to compat file later).
+ */
+struct omsghdr {

        caddr_t msg_name;               /* optional address */
        int     msg_namelen;            /* size of address */
        struct  iovec *msg_iov;         /* scatter/gather array */
        caddr_t msg_name;               /* optional address */
        int     msg_namelen;            /* size of address */
        struct  iovec *msg_iov;         /* scatter/gather array */


@@ -102,8 +232,29 @@ struct msghdr {
        int     msg_accrightslen;
 };
 
        int     msg_accrightslen;
 };
 

-#define        MSG_OOB         0x1             /* process out-of-band data */
-#define        MSG_PEEK        0x2             /* peek at incoming message */
-#define        MSG_DONTROUTE   0x4             /* send without using routing tables */
+#ifndef        KERNEL
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int    accept __P((int, struct sockaddr *, int *));
+int    bind __P((int, const struct sockaddr *, int));
+int    connect __P((int, const struct sockaddr *, int));
+int    getpeername __P((int, struct sockaddr *, int *));
+int    getsockname __P((int, struct sockaddr *, int *));
+int    getsockopt __P((int, int, int, void *, int *));
+int    listen __P((int, int));
+int    recv __P((int, void *, int, int));
+int    recvfrom __P((int, void *, int, int,
+               struct sockaddr *, int *));
+int    recvmsg __P((int, struct msghdr *, int));
+int    send __P((int, const void *, int, int));
+int    sendto __P((int, const void *, int, int, const struct sockaddr *, int));
+int    sendmsg __P((int, const struct msghdr *, int));
+int    setsockopt __P((int, int, int, const void *, int));
+int    shutdown __P((int, int));
+int    socket __P((int, int, int));
+int    socketpair __P((int, int, int, int *));
+__END_DECLS

 
 

-#define        MSG_MAXIOVLEN   16
+#endif /* !KERNEL */