1 /* $NetBSD: linux_socket.h,v 1.17 2009/06/16 23:17:02 njoly Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden and Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX_SOCKET_H 33 #define _LINUX_SOCKET_H 34 35 /* 36 * Various Linux socket defines. Everything that is not re-defined here 37 * is the same as in NetBSD. 38 * 39 * COMPAT_43 is assumed, and the osockaddr struct is used (it is what 40 * Linux uses) 41 */ 42 43 /* 44 * Address families. There are fewer of them, and they're numbered 45 * a bit different 46 */ 47 48 #define LINUX_AF_UNSPEC 0 49 #define LINUX_AF_UNIX 1 50 #define LINUX_AF_INET 2 51 #define LINUX_AF_AX25 3 52 #define LINUX_AF_IPX 4 53 #define LINUX_AF_APPLETALK 5 54 #define LINUX_AF_NETROM 6 55 #define LINUX_AF_BRIDGE 7 56 #define LINUX_AF_ATMPVC 8 57 #define LINUX_AF_X25 9 58 #define LINUX_AF_INET6 10 59 #define LINUX_AF_ROSE 11 60 #define LINUX_AF_DECnet 12 61 #define LINUX_AF_NETBEUI 13 62 #define LINUX_AF_SECURITY 14 63 #define LINUX_pseudo_AF_KEY 15 64 #define LINUX_AF_NETLINK 16 65 #define LINUX_AF_PACKET 17 66 #define LINUX_AF_ASH 18 67 #define LINUX_AF_ECONET 19 68 #define LINUX_AF_ATMSVC 20 69 #define LINUX_AF_SNA 22 70 #define LINUX_AF_MAX 32 71 72 /* 73 * Option levels for [gs]etsockopt(2). Only SOL_SOCKET is different, 74 * the rest matches IPPROTO_XXX 75 */ 76 77 /* SOL_SOCKET is machine dependant on Linux */ 78 #define LINUX_SOL_IP 0 79 #define LINUX_SOL_TCP 6 80 #define LINUX_SOL_UDP 17 81 /* Unused for now: */ 82 #define LINUX_SOL_IPV6 41 83 #define LINUX_SOL_ICMPV6 58 84 #define LINUX_SOL_RAW 255 85 #define LINUX_SOL_IPX 256 86 #define LINUX_SOL_AX25 257 87 #define LINUX_SOL_ATALK 258 88 #define LINUX_SOL_NETROM 259 89 #define LINUX_SOL_ROSE 260 90 #define LINUX_SOL_DECNET 261 91 #define LINUX_SOL_X25 262 92 #define LINUX_SOL_PACKET 263 93 #define LINUX_SOL_ATM 264 94 #define LINUX_SOL_AAL 265 95 96 /* 97 * Options for [gs]etsockopt(2), socket level are machine dependant. 98 */ 99 100 /* 101 * Options for [gs]etsockopt(2), IP level. 102 */ 103 104 #define LINUX_IP_TOS 1 105 #define LINUX_IP_TTL 2 106 #define LINUX_IP_MULTICAST_IF 32 107 #define LINUX_IP_MULTICAST_TTL 33 108 #define LINUX_IP_MULTICAST_LOOP 34 109 #define LINUX_IP_ADD_MEMBERSHIP 35 110 #define LINUX_IP_DROP_MEMBERSHIP 36 111 112 /* 113 * Options for [gs]etsockopt(2), TCP level. 114 */ 115 116 #define LINUX_TCP_NODELAY 1 117 #define LINUX_TCP_MAXSEG 2 118 119 /* "Socket"-level control message types: */ 120 #define LINUX_SCM_RIGHTS 1 /* same as SCM_RIGHTS */ 121 #define LINUX_SCM_CREDENTIALS 2 /* accepts ucred rather than sockcred */ 122 #define LINUX_SCM_CONNECT 3 /* not supported in NetBSD */ 123 #define LINUX_SCM_TIMESTAMP LINUX_SO_TIMESTAMP 124 /* not actually implemented in Linux 2.5.15? */ 125 126 /* 127 * Message flags (for sendmsg/recvmsg) 128 */ 129 #define LINUX_MSG_OOB 0x001 130 #define LINUX_MSG_PEEK 0x002 131 #define LINUX_MSG_DONTROUTE 0x004 132 #define LINUX_MSG_TRYHARD 0x004 133 #define LINUX_MSG_CTRUNC 0x008 134 #define LINUX_MSG_PROBE 0x010 /* Don't send, only probe path */ 135 #define LINUX_MSG_TRUNC 0x020 136 #define LINUX_MSG_DONTWAIT 0x040 /* this msg should be nonblocking */ 137 #define LINUX_MSG_EOR 0x080 /* data completes record */ 138 #define LINUX_MSG_WAITALL 0x100 /* wait for full request or error */ 139 #define LINUX_MSG_FIN 0x200 140 #define LINUX_MSG_EOF LINUX_MSG_FIN 141 #define LINUX_MSG_SYN 0x400 142 #define LINUX_MSG_CONFIRM 0x800 /* Confirm path validity */ 143 #define LINUX_MSG_RST 0x1000 144 #define LINUX_MSG_ERRQUEUE 0x2000 /* fetch message from error queue */ 145 #define LINUX_MSG_NOSIGNAL 0x4000 /* do not generate SIGPIPE */ 146 #define LINUX_MSG_MORE 0x8000 /* Sender will send more */ 147 148 /* 149 * Linux alignment requirement for CMSG struct manipulation. 150 * Linux aligns on (size_t) boundary on all architectures. 151 * Fortunately for linux, linux_cmsghdr is always size_t aligned ! 152 * since no padding is added between the header and data. 153 * XXX: this code isn't right for the compat32 code. 154 */ 155 struct linux_cmsghdr { 156 size_t cmsg_len; /* NB not socklen_t */ 157 int cmsg_level; 158 int cmsg_type; 159 /* unsigned char __cmsg_data[0]; */ 160 }; 161 162 #define LINUX_CMSG_ALIGN(n) \ 163 (((n) + sizeof(size_t)-1) & ~(sizeof(size_t)-1)) 164 /* Linux either uses this, or &((cmsg)->__cmsg_data) */ 165 #define LINUX_CMSG_DATA(cmsg) \ 166 ((u_char *)((struct linux_cmsghdr *)(cmsg) + 1)) 167 #define LINUX_CMSG_NXTHDR(mhdr, cmsg) \ 168 ((((char *)(cmsg) + LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \ 169 sizeof(*(cmsg))) > \ 170 (((char *)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \ 171 (struct linux_cmsghdr *)NULL : \ 172 (struct linux_cmsghdr *)((char *)(cmsg) + \ 173 LINUX_CMSG_ALIGN((cmsg)->cmsg_len))) 174 /* This the number of bytes removed from each item (excl. final padding) */ 175 #define LINUX_CMSG_ALIGN_DELTA \ 176 (CMSG_ALIGN(sizeof(struct cmsghdr)) - sizeof(struct linux_cmsghdr)) 177 178 #define LINUX_CMSG_FIRSTHDR(mhdr) \ 179 ((mhdr)->msg_controllen >= sizeof(struct linux_cmsghdr) ? \ 180 (struct linux_cmsghdr *)(mhdr)->msg_control : NULL) 181 182 #define LINUX_CMSG_SPACE(l) \ 183 (sizeof(struct linux_cmsghdr) + LINUX_CMSG_ALIGN(l)) 184 #define LINUX_CMSG_LEN(l) \ 185 (sizeof(struct linux_cmsghdr) + (l)) 186 187 /* 188 * Machine specific definitions. 189 */ 190 #if defined(__i386__) 191 #include <compat/linux/arch/i386/linux_socket.h> 192 #elif defined(__m68k__) 193 #include <compat/linux/arch/m68k/linux_socket.h> 194 #elif defined(__alpha__) 195 #include <compat/linux/arch/alpha/linux_socket.h> 196 #elif defined(__powerpc__) 197 #include <compat/linux/arch/powerpc/linux_socket.h> 198 #elif defined(__mips__) 199 #include <compat/linux/arch/mips/linux_socket.h> 200 #elif defined(__arm__) 201 #include <compat/linux/arch/arm/linux_socket.h> 202 #elif defined(__amd64__) 203 #include <compat/linux/arch/amd64/linux_socket.h> 204 #else 205 #error Undefined linux_socket.h machine type. 206 #endif 207 208 #endif /* !_LINUX_SOCKET_H */ 209