1 /*- 2 * Copyright (c) 2000 Assar Westerlund 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _LINUX_SOCKET_H_ 32 #define _LINUX_SOCKET_H_ 33 34 /* msg flags in recvfrom/recvmsg */ 35 36 #define LINUX_MSG_OOB 0x01 37 #define LINUX_MSG_PEEK 0x02 38 #define LINUX_MSG_DONTROUTE 0x04 39 #define LINUX_MSG_CTRUNC 0x08 40 #define LINUX_MSG_PROXY 0x10 41 #define LINUX_MSG_TRUNC 0x20 42 #define LINUX_MSG_DONTWAIT 0x40 43 #define LINUX_MSG_EOR 0x80 44 #define LINUX_MSG_WAITALL 0x100 45 #define LINUX_MSG_FIN 0x200 46 #define LINUX_MSG_SYN 0x400 47 #define LINUX_MSG_CONFIRM 0x800 48 #define LINUX_MSG_RST 0x1000 49 #define LINUX_MSG_ERRQUEUE 0x2000 50 #define LINUX_MSG_NOSIGNAL 0x4000 51 52 /* Socket-level control message types */ 53 54 #define LINUX_SCM_RIGHTS 0x01 55 56 /* Ancilliary data object information macros */ 57 58 #define LINUX_CMSG_ALIGN(len) roundup2(len, sizeof(l_ulong)) 59 #define LINUX_CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + \ 60 LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)))) 61 #define LINUX_CMSG_SPACE(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ 62 LINUX_CMSG_ALIGN(len)) 63 #define LINUX_CMSG_LEN(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ 64 (len)) 65 #define LINUX_CMSG_FIRSTHDR(msg) \ 66 ((msg)->msg_controllen >= \ 67 sizeof(struct l_cmsghdr) ? \ 68 (struct l_cmsghdr *)((msg)->msg_control) : \ 69 (struct l_cmsghdr *)(NULL)) 70 #define LINUX_CMSG_NXTHDR(msg, cmsg) \ 71 ((((char *)(cmsg) + \ 72 LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \ 73 sizeof(*(cmsg))) > \ 74 (((char *)(msg)->msg_control) + \ 75 (msg)->msg_controllen)) ? \ 76 (struct l_cmsghdr *) NULL : \ 77 (struct l_cmsghdr *)((char *)(cmsg) + \ 78 LINUX_CMSG_ALIGN((cmsg)->cmsg_len))) 79 80 #define CMSG_HDRSZ CMSG_LEN(0) 81 #define L_CMSG_HDRSZ LINUX_CMSG_LEN(0) 82 83 #endif /* _LINUX_SOCKET_H_ */ 84