FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_socket.h

     /*      $NetBSD: linux_socket.h,v 1.11 2003/07/27 19:30:03 jdolecek Exp $       */
     
     /*-
      * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Frank van der Linden and Eric Haszlakiewicz.
      *
     * 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 NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    #ifndef _LINUX_SOCKET_H
    #define _LINUX_SOCKET_H
    
    /*
     * Various Linux socket defines. Everything that is not re-defined here
     * is the same as in NetBSD.
     *
     * COMPAT_43 is assumed, and the osockaddr struct is used (it is what
     * Linux uses)
     */
    
    /*
     * Address families. There are fewer of them, and they're numbered
     * a bit different
     */
    
    #define LINUX_AF_UNSPEC         0
    #define LINUX_AF_UNIX           1
    #define LINUX_AF_INET           2
    #define LINUX_AF_AX25           3
    #define LINUX_AF_IPX            4
    #define LINUX_AF_APPLETALK      5
    #define LINUX_AF_NETROM         6
    #define LINUX_AF_BRIDGE         7
    #define LINUX_AF_ATMPVC         8
    #define LINUX_AF_X25            9
    #define LINUX_AF_INET6          10
    #define LINUX_AF_ROSE           11
    #define LINUX_AF_DECnet         12
    #define LINUX_AF_NETBEUI        13
    #define LINUX_AF_SECURITY       14
    #define LINUX_pseudo_AF_KEY     15
    #define LINUX_AF_NETLINK        16
    #define LINUX_AF_PACKET         17
    #define LINUX_AF_ASH            18
    #define LINUX_AF_ECONET         19
    #define LINUX_AF_ATMSVC         20
    #define LINUX_AF_SNA            22
    #define LINUX_AF_MAX            32
    
    /*
     * Option levels for [gs]etsockopt(2). Only SOL_SOCKET is different,
     * the rest matches IPPROTO_XXX
     */
    
    /* SOL_SOCKET is machine dependant on Linux */
    #define LINUX_SOL_IP            0
    #define LINUX_SOL_TCP           6
    #define LINUX_SOL_UDP           17
    /* Unused for now: */
    #define LINUX_SOL_IPV6          41
    #define LINUX_SOL_ICMPV6        58
    #define LINUX_SOL_RAW           255
    #define LINUX_SOL_IPX           256
    #define LINUX_SOL_AX25          257
    #define LINUX_SOL_ATALK         258
    #define LINUX_SOL_NETROM        259
    #define LINUX_SOL_ROSE          260
    #define LINUX_SOL_DECNET        261
    #define LINUX_SOL_X25           262
    #define LINUX_SOL_PACKET        263
   #define LINUX_SOL_ATM           264
   #define LINUX_SOL_AAL           265
   
   /*
    * Options for [gs]etsockopt(2), socket level are machine dependant.
    */
   
   /*
    * Options for [gs]etsockopt(2), IP level.
    */
   
   #define LINUX_IP_TOS            1
   #define LINUX_IP_TTL            2
   #define LINUX_IP_MULTICAST_IF   32
   #define LINUX_IP_MULTICAST_TTL  33
   #define LINUX_IP_MULTICAST_LOOP 34
   #define LINUX_IP_ADD_MEMBERSHIP 35
   #define LINUX_IP_DROP_MEMBERSHIP 36
   
   /*
    * Options for [gs]etsockopt(2), TCP level.
    */
   
   #define LINUX_TCP_NODELAY       1
   #define LINUX_TCP_MAXSEG        2
   
   /* "Socket"-level control message types: */
   #define LINUX_SCM_RIGHTS        1       /* same as SCM_RIGHTS */
   #define LINUX_SCM_CREDENTIALS   2       /* accepts ucred rather than sockcred */
   #define LINUX_SCM_CONNECT       3       /* not supported in NetBSD */
   #define LINUX_SCM_TIMESTAMP     LINUX_SO_TIMESTAMP
                                   /* not actually implemented in Linux 2.5.15? */
   
   /*
    * Message flags (for sendmsg/recvmsg)
    */
   #define LINUX_MSG_OOB           0x001
   #define LINUX_MSG_PEEK          0x002
   #define LINUX_MSG_DONTROUTE     0x004
   #define LINUX_MSG_TRYHARD       0x004
   #define LINUX_MSG_CTRUNC        0x008
   #define LINUX_MSG_PROBE         0x010   /* Don't send, only probe path */
   #define LINUX_MSG_TRUNC         0x020
   #define LINUX_MSG_DONTWAIT      0x040   /* this msg should be nonblocking */
   #define LINUX_MSG_EOR           0x080   /* data completes record */
   #define LINUX_MSG_WAITALL       0x100   /* wait for full request or error */
   #define LINUX_MSG_FIN           0x200
   #define LINUX_MSG_EOF           LINUX_MSG_FIN
   #define LINUX_MSG_SYN           0x400
   #define LINUX_MSG_CONFIRM       0x800   /* Confirm path validity */
   #define LINUX_MSG_RST           0x1000
   #define LINUX_MSG_ERRQUEUE      0x2000  /* fetch message from error queue */
   #define LINUX_MSG_NOSIGNAL      0x4000  /* do not generate SIGPIPE */
   #define LINUX_MSG_MORE          0x8000  /* Sender will send more */
   
   /*
    * Linux alignment requirement for CMSG struct manipulation.
    * Linux aligns on (long) boundary on all architectures.
    */
   #define LINUX_CMSG_ALIGN(n)     \
           (((n) + sizeof(long)-1) & ~(sizeof(long)-1))
   #define LINUX_CMSG_DATA(cmsg)   \
           ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
   #define LINUX_CMSG_NXTHDR(mhdr, cmsg)   \
           (((__caddr_t)(cmsg) + LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
                               LINUX_CMSG_ALIGN(sizeof(struct cmsghdr)) > \
               (((__caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
               (struct cmsghdr *)NULL : \
               (struct cmsghdr *)((__caddr_t)(cmsg) + \
                   LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
   #define LINUX_CMSG_ALIGNDIFF    \
           (CMSG_ALIGN(sizeof(struct cmsghdr)) - LINUX_CMSG_ALIGN(sizeof(struct cmsghdr)))
   
   /*
    * Machine specific definitions.
    */
   #if defined(__i386__)
   #include <compat/linux/arch/i386/linux_socket.h>
   #elif defined(__m68k__)
   #include <compat/linux/arch/m68k/linux_socket.h>
   #elif defined(__alpha__)
   #include <compat/linux/arch/alpha/linux_socket.h>
   #elif defined(__powerpc__)
   #include <compat/linux/arch/powerpc/linux_socket.h>
   #elif defined(__mips__)
   #include <compat/linux/arch/mips/linux_socket.h>
   #elif defined(__arm__)
   #include <compat/linux/arch/arm/linux_socket.h>
   #else
   #error Undefined linux_socket.h machine type.
   #endif
   
   #endif /* !_LINUX_SOCKET_H */

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