BSD 4_4_Lite2 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 6633077..be6163f 100644 (file)
--- a/usr/src/sys/sys/socket.h
+++ b/usr/src/sys/sys/socket.h
@@ -1,22 +1,41 @@
 /*
 /*

- * Copyright (c) 1982,1985,1986,1988 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
+ *     The Regents of the University of California.  All rights reserved.

  *
  *

- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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.

  *
  *

- *     @(#)socket.h    7.5 (Berkeley) %G%
+ * 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    8.6 (Berkeley) 5/3/95

  */
 
  */
 

+#ifndef _SYS_SOCKET_H_
+#define        _SYS_SOCKET_H_
+

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


@@ -42,6 +61,7 @@
 #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 */
 #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 */

+#define        SO_REUSEPORT    0x0200          /* allow local address & port reuse */

 
 /*
  * Additional options, not kept in so_options.
 
 /*
  * Additional options, not kept in so_options.


@@ -60,7 +80,7 @@
  */
 struct linger {
        int     l_onoff;                /* option on/off */
  */
 struct linger {
        int     l_onoff;                /* option on/off */

-       int     l_linger;               /* linger time */
+       int     l_linger;               /* linger time in seconds */

 };
 
 /*
 };
 
 /*


@@ -72,25 +92,35 @@ struct      linger {
  * Address families.
  */
 #define        AF_UNSPEC       0               /* unspecified */
  * Address families.
  */
 #define        AF_UNSPEC       0               /* unspecified */

-#define        AF_UNIX         1               /* local to host (pipes, portals) */
+#define        AF_LOCAL        1               /* local to host (pipes, portals) */
+#define        AF_UNIX         AF_LOCAL        /* backward compatibility */

 #define        AF_INET         2               /* internetwork: UDP, TCP, etc. */
 #define        AF_IMPLINK      3               /* arpanet imp addresses */
 #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_ISO          7               /* ISO protocols */
 #define        AF_INET         2               /* internetwork: UDP, TCP, etc. */
 #define        AF_IMPLINK      3               /* arpanet imp addresses */
 #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_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_DECnet      12              /* DECnet */
 #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              /* Direct data link interface */
+#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_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_COIP         20              /* connection-oriented IP, aka ST II */
+#define        AF_CNT          21              /* Computer Network Technology */
+#define pseudo_AF_RTIP 22              /* Help Identify RTIP packets */
+#define        AF_IPX          23              /* Novell Internet Protocol */
+#define        AF_SIP          24              /* Simple Internet Protocol */
+#define pseudo_AF_PIP  25              /* Help Identify PIP packets */

 
 

-#define        AF_MAX          18
+#define        AF_MAX          26

 
 /*
  * Structure used by kernel to store most
 
 /*
  * Structure used by kernel to store most


@@ -101,13 +131,6 @@ struct sockaddr {
        u_char  sa_family;              /* address family */
        char    sa_data[14];            /* actually longer; address value */
 };
        u_char  sa_family;              /* address family */
        char    sa_data[14];            /* actually longer; address value */
 };

-/*
- * 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 */
-};

 
 /*
  * Structure used by kernel to pass protocol
 
 /*
  * Structure used by kernel to pass protocol


@@ -122,13 +145,15 @@ struct sockproto {
  * Protocol families, same as address families for now.
  */
 #define        PF_UNSPEC       AF_UNSPEC
  * Protocol families, same as address families for now.
  */
 #define        PF_UNSPEC       AF_UNSPEC

-#define        PF_UNIX         AF_UNIX
+#define        PF_LOCAL        AF_LOCAL
+#define        PF_UNIX         PF_LOCAL        /* backward compatibility */

 #define        PF_INET         AF_INET
 #define        PF_IMPLINK      AF_IMPLINK
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS
 #define        PF_NS           AF_NS
 #define        PF_ISO          AF_ISO
 #define        PF_INET         AF_INET
 #define        PF_IMPLINK      AF_IMPLINK
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS
 #define        PF_NS           AF_NS
 #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_ECMA         AF_ECMA
 #define        PF_DATAKIT      AF_DATAKIT
 #define        PF_CCITT        AF_CCITT


@@ -139,9 +164,76 @@ struct sockproto {
 #define        PF_HYLINK       AF_HYLINK
 #define        PF_APPLETALK    AF_APPLETALK
 #define        PF_ROUTE        AF_ROUTE
 #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_COIP         AF_COIP
+#define        PF_CNT          AF_CNT
+#define        PF_SIP          AF_SIP
+#define        PF_IPX          AF_IPX          /* same format as AF_NS */
+#define PF_RTIP                pseudo_AF_FTIP  /* same format as AF_INET */
+#define PF_PIP         pseudo_AF_PIP

 
 #define        PF_MAX          AF_MAX
 
 
 #define        PF_MAX          AF_MAX
 

+/*
+ * Definitions for network related sysctl, CTL_NET.
+ *
+ * Second level is protocol family.
+ * Third level is protocol number.
+ *
+ * Further levels are defined by the individual families below.
+ */
+#define NET_MAXID      AF_MAX
+
+#define CTL_NET_NAMES { \
+       { 0, 0 }, \
+       { "local", CTLTYPE_NODE }, \
+       { "inet", CTLTYPE_NODE }, \
+       { "implink", CTLTYPE_NODE }, \
+       { "pup", CTLTYPE_NODE }, \
+       { "chaos", CTLTYPE_NODE }, \
+       { "xerox_ns", CTLTYPE_NODE }, \
+       { "iso", CTLTYPE_NODE }, \
+       { "emca", CTLTYPE_NODE }, \
+       { "datakit", CTLTYPE_NODE }, \
+       { "ccitt", CTLTYPE_NODE }, \
+       { "ibm_sna", CTLTYPE_NODE }, \
+       { "decnet", CTLTYPE_NODE }, \
+       { "dec_dli", CTLTYPE_NODE }, \
+       { "lat", CTLTYPE_NODE }, \
+       { "hylink", CTLTYPE_NODE }, \
+       { "appletalk", CTLTYPE_NODE }, \
+       { "route", CTLTYPE_NODE }, \
+       { "link_layer", CTLTYPE_NODE }, \
+       { "xtp", CTLTYPE_NODE }, \
+       { "coip", CTLTYPE_NODE }, \
+       { "cnt", CTLTYPE_NODE }, \
+       { "rtip", CTLTYPE_NODE }, \
+       { "ipx", CTLTYPE_NODE }, \
+       { "sip", CTLTYPE_NODE }, \
+       { "pip", CTLTYPE_NODE }, \
+}
+
+/*
+ * PF_ROUTE - Routing table
+ *
+ * Three additional levels are defined:
+ *     Fourth: address family, 0 is wildcard
+ *     Fifth: type of info, defined below
+ *     Sixth: flag(s) to mask with for NET_RT_FLAGS
+ */
+#define NET_RT_DUMP    1               /* dump; may limit to a.f. */
+#define NET_RT_FLAGS   2               /* by flags, e.g. RESOLVING */
+#define NET_RT_IFLIST  3               /* survey interface list */
+#define        NET_RT_MAXID    4
+
+#define CTL_NET_RT_NAMES { \
+       { 0, 0 }, \
+       { "dump", CTLTYPE_STRUCT }, \
+       { "flags", CTLTYPE_STRUCT }, \
+       { "iflist", CTLTYPE_STRUCT }, \
+}
+

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


@@ -153,18 +245,11 @@ struct sockproto {
  */
 struct msghdr {
        caddr_t msg_name;               /* optional address */
  */
 struct msghdr {
        caddr_t msg_name;               /* optional address */

-       int     msg_namelen;            /* size of address */
+       u_int   msg_namelen;            /* size of address */

        struct  iovec *msg_iov;         /* scatter/gather array */
        struct  iovec *msg_iov;         /* scatter/gather array */

-       int     msg_iovlen;             /* # elements in msg_iov */
-       caddr_t msg_accrights;          /* access rights sent/received */
-       int     msg_accrightslen;
-       caddr_t msg_control;            /* ancillary data not conveyable
-                                        * by flags; msgs of the form
-                                        *      u_short type;
-                                        *      u_short count;
-                                        *      u_char  data[count];
-                                        */
-       int     msg_controllen;
+       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 */
 };
 
        int     msg_flags;              /* flags on received message */
 };
 


@@ -174,6 +259,44 @@ struct msghdr {
 #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_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 */
+#define        MSG_DONTWAIT    0x80            /* this message should be nonblocking */
+
+/*
+ * 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 cmsghdr, return pointer to data */
+#define        CMSG_DATA(cmsg)         ((u_char *)((cmsg) + 1))
+
+/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
+#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).
 
 /*
  * 4.3-compat message header (move to compat file later).


@@ -187,4 +310,30 @@ struct omsghdr {
        int     msg_accrightslen;
 };
 
        int     msg_accrightslen;
 };
 

-#define        MSG_MAXIOVLEN   16
+#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));
+ssize_t        recv __P((int, void *, size_t, int));
+ssize_t        recvfrom __P((int, void *, size_t, int, struct sockaddr *, int *));
+ssize_t        recvmsg __P((int, struct msghdr *, int));
+ssize_t        send __P((int, const void *, size_t, int));
+ssize_t        sendto __P((int, const void *,
+           size_t, int, const struct sockaddr *, int));
+ssize_t        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
+
+#endif /* !KERNEL */
+#endif /* !_SYS_SOCKET_H_ */