| /*- |
| * 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, 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. |
| * 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 8.4 (Berkeley) 2/21/94 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_SYS_SOCKET_H_ |
| #define _BSD_SYS_SOCKET_H_ |
| |
| #include <sys/bsd_cdefs.h> |
| #include <sys/bsd__types.h> |
| #include <sys/uio.h> |
| //#include <sys/bsd__iovec.h> |
| #define _NO_NAMESPACE_POLLUTION |
| #include <machine/bsd_param.h> |
| #undef _NO_NAMESPACE_POLLUTION |
| |
| /* |
| * Definitions related to sockets: types, address families, options. |
| */ |
| |
| /* |
| * Data types. |
| */ |
| #if __BSD_VISIBLE |
| #ifndef __gid_t_defined |
| typedef __gid_t gid_t; |
| #define __gid_t_defined |
| #endif |
| |
| #ifndef __off_t_defined |
| typedef __off_t off_t; |
| #define __off_t_defined |
| #endif |
| |
| #ifndef __pid_t_defined |
| typedef __pid_t pid_t; |
| #define __pid_t_defined |
| #endif |
| #endif |
| |
| #ifndef __sa_family_t_defined |
| typedef __sa_family_t sa_family_t; |
| #define __sa_family_t_defined |
| #endif |
| |
| #ifndef __socklen_t_defined |
| typedef __socklen_t socklen_t; |
| #define __socklen_t_defined |
| #endif |
| |
| #ifndef __ssize_t_defined |
| typedef __ssize_t ssize_t; |
| #define __ssize_t_defined |
| #endif |
| |
| #if __BSD_VISIBLE |
| #ifndef __uid_t_defined |
| typedef __uid_t uid_t; |
| #define __uid_t_defined |
| #endif |
| #endif |
| |
| /* |
| * Types |
| */ |
| #define SOCK_STREAM 1 /* stream socket */ |
| #define SOCK_DGRAM 2 /* datagram socket */ |
| #define SOCK_RAW 3 /* raw-protocol interface */ |
| #if __BSD_VISIBLE |
| #define SOCK_RDM 4 /* reliably-delivered message */ |
| #endif |
| #define SOCK_SEQPACKET 5 /* sequenced packet stream */ |
| |
| /* |
| * Option flags per-socket. |
| */ |
| #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 */ |
| #if __BSD_VISIBLE |
| #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ |
| #endif |
| #define SO_LINGER 0x0080 /* linger on close if data present */ |
| #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ |
| #if __BSD_VISIBLE |
| #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ |
| #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ |
| #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */ |
| #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ |
| #define SO_BINTIME 0x2000 /* timestamp received dgram traffic */ |
| #endif |
| #define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */ |
| #define SO_NO_DDP 0x8000 /* disable direct data placement */ |
| |
| /* |
| * 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 */ |
| #if __BSD_VISIBLE |
| #define SO_LABEL 0x1009 /* socket's MAC label */ |
| #define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */ |
| #define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */ |
| #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */ |
| #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */ |
| #define SO_SETFIB 0x1014 /* use this FIB to route */ |
| #endif |
| |
| /* |
| * Structure used for manipulating linger option. |
| */ |
| struct linger { |
| int l_onoff; /* option on/off */ |
| int l_linger; /* linger time */ |
| }; |
| |
| #if __BSD_VISIBLE |
| struct accept_filter_arg { |
| char af_name[16]; |
| char af_arg[256-16]; |
| }; |
| #endif |
| |
| /* |
| * Level number for (get/set)sockopt() to apply to socket itself. |
| */ |
| #define SOL_SOCKET 0xffff /* options for socket level */ |
| |
| /* |
| * Address families. |
| */ |
| #define AF_UNSPEC 0 /* unspecified */ |
| #if __BSD_VISIBLE |
| #define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */ |
| #endif |
| #define AF_UNIX 1 /* standardized name for AF_LOCAL */ |
| #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ |
| #if __BSD_VISIBLE |
| #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_NETBIOS 6 /* SMB 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_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_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_ISDN 26 /* Integrated Services Digital Network*/ |
| #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ |
| #define pseudo_AF_KEY 27 /* Internal key-management function */ |
| #endif |
| #define AF_INET6 28 /* IPv6 */ |
| #if __BSD_VISIBLE |
| #define AF_NATM 29 /* native ATM access */ |
| #define AF_ATM 30 /* ATM */ |
| #define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers |
| * in interface output routine |
| */ |
| #define AF_NETGRAPH 32 /* Netgraph sockets */ |
| #define AF_SLOW 33 /* 802.3ad slow protocol */ |
| #define AF_SCLUSTER 34 /* Sitara cluster protocol */ |
| #define AF_ARP 35 |
| #define AF_BLUETOOTH 36 /* Bluetooth sockets */ |
| #define AF_IEEE80211 37 /* IEEE 802.11 protocol */ |
| #define AF_MAX 38 |
| /* |
| * When allocating a new AF_ constant, please only allocate |
| * even numbered constants for FreeBSD until 134 as odd numbered AF_ |
| * constants 39-133 are now reserved for vendors. |
| */ |
| #define AF_VENDOR00 39 |
| #define AF_VENDOR01 41 |
| #define AF_VENDOR02 43 |
| #define AF_VENDOR03 45 |
| #define AF_VENDOR04 47 |
| #define AF_VENDOR05 49 |
| #define AF_VENDOR06 51 |
| #define AF_VENDOR07 53 |
| #define AF_VENDOR08 55 |
| #define AF_VENDOR09 57 |
| #define AF_VENDOR10 59 |
| #define AF_VENDOR11 61 |
| #define AF_VENDOR12 63 |
| #define AF_VENDOR13 65 |
| #define AF_VENDOR14 67 |
| #define AF_VENDOR15 69 |
| #define AF_VENDOR16 71 |
| #define AF_VENDOR17 73 |
| #define AF_VENDOR18 75 |
| #define AF_VENDOR19 77 |
| #define AF_VENDOR20 79 |
| #define AF_VENDOR21 81 |
| #define AF_VENDOR22 83 |
| #define AF_VENDOR23 85 |
| #define AF_VENDOR24 87 |
| #define AF_VENDOR25 89 |
| #define AF_VENDOR26 91 |
| #define AF_VENDOR27 93 |
| #define AF_VENDOR28 95 |
| #define AF_VENDOR29 97 |
| #define AF_VENDOR30 99 |
| #define AF_VENDOR31 101 |
| #define AF_VENDOR32 103 |
| #define AF_VENDOR33 105 |
| #define AF_VENDOR34 107 |
| #define AF_VENDOR35 109 |
| #define AF_VENDOR36 111 |
| #define AF_VENDOR37 113 |
| #define AF_VENDOR38 115 |
| #define AF_VENDOR39 117 |
| #define AF_VENDOR40 119 |
| #define AF_VENDOR41 121 |
| #define AF_VENDOR42 123 |
| #define AF_VENDOR43 125 |
| #define AF_VENDOR44 127 |
| #define AF_VENDOR45 129 |
| #define AF_VENDOR46 131 |
| #define AF_VENDOR47 133 |
| #endif |
| |
| /* |
| * Structure used by kernel to store most |
| * addresses. |
| */ |
| struct sockaddr { |
| unsigned char sa_len; /* total length */ |
| sa_family_t sa_family; /* address family */ |
| char sa_data[14]; /* actually longer; address value */ |
| }; |
| #if __BSD_VISIBLE |
| #define SOCK_MAXADDRLEN 255 /* longest possible addresses */ |
| |
| /* |
| * Structure used by kernel to pass protocol |
| * information in raw sockets. |
| */ |
| struct sockproto { |
| unsigned short sp_family; /* address family */ |
| unsigned short sp_protocol; /* protocol */ |
| }; |
| #endif |
| |
| #ifndef __struct_sockaddr_storage_defined |
| /* |
| * RFC 2553: protocol-independent placeholder for socket addresses |
| */ |
| #define _SS_MAXSIZE 128U |
| #define _SS_ALIGNSIZE (sizeof(__int64_t)) |
| #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) - \ |
| sizeof(sa_family_t)) |
| #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) - \ |
| sizeof(sa_family_t) - _SS_PAD1SIZE - _SS_ALIGNSIZE) |
| |
| struct sockaddr_storage { |
| unsigned char ss_len; /* address length */ |
| sa_family_t ss_family; /* address family */ |
| char __ss_pad1[_SS_PAD1SIZE]; |
| __int64_t __ss_align; /* force desired struct alignment */ |
| char __ss_pad2[_SS_PAD2SIZE]; |
| }; |
| #define __struct_sockaddr_storage_defined |
| #endif |
| |
| #if __BSD_VISIBLE |
| /* |
| * Protocol families, same as address families for now. |
| */ |
| #define PF_UNSPEC AF_UNSPEC |
| #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_NETBIOS AF_NETBIOS |
| #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_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_COIP AF_COIP |
| #define PF_CNT AF_CNT |
| #define PF_SIP AF_SIP |
| #define PF_IPX AF_IPX |
| #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ |
| #define PF_PIP pseudo_AF_PIP |
| #define PF_ISDN AF_ISDN |
| #define PF_KEY pseudo_AF_KEY |
| #define PF_INET6 AF_INET6 |
| #define PF_NATM AF_NATM |
| #define PF_ATM AF_ATM |
| #define PF_NETGRAPH AF_NETGRAPH |
| #define PF_SLOW AF_SLOW |
| #define PF_SCLUSTER AF_SCLUSTER |
| #define PF_ARP AF_ARP |
| #define PF_BLUETOOTH AF_BLUETOOTH |
| |
| #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 }, \ |
| { "unix", 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 }, \ |
| { "isdn", CTLTYPE_NODE }, \ |
| { "key", CTLTYPE_NODE }, \ |
| { "inet6", CTLTYPE_NODE }, \ |
| { "natm", CTLTYPE_NODE }, \ |
| { "atm", CTLTYPE_NODE }, \ |
| { "hdrcomplete", CTLTYPE_NODE }, \ |
| { "netgraph", CTLTYPE_NODE }, \ |
| { "snp", CTLTYPE_NODE }, \ |
| { "scp", 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_IFMALIST 4 /* return multicast address list */ |
| #define NET_RT_MAXID 5 |
| |
| #define CTL_NET_RT_NAMES { \ |
| { 0, 0 }, \ |
| { "dump", CTLTYPE_STRUCT }, \ |
| { "flags", CTLTYPE_STRUCT }, \ |
| { "iflist", CTLTYPE_STRUCT }, \ |
| { "ifmalist", CTLTYPE_STRUCT }, \ |
| } |
| #endif /* __BSD_VISIBLE */ |
| |
| /* |
| * Maximum queue length specifiable by listen. |
| */ |
| #define SOMAXCONN 512 |
| |
| /* |
| * Message header for recvmsg and sendmsg calls. |
| * Used value-result for recvmsg, value only for sendmsg. |
| */ |
| struct msghdr { |
| void *msg_name; /* optional address */ |
| socklen_t msg_namelen; /* size of address */ |
| struct iovec *msg_iov; /* scatter/gather array */ |
| int msg_iovlen; /* # elements in msg_iov */ |
| void *msg_control; /* ancillary data, see below */ |
| socklen_t 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 */ |
| #define MSG_NOTIFICATION 0x2000 /* SCTP notification */ |
| #if __BSD_VISIBLE |
| #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ |
| #define MSG_EOF 0x100 /* data completes connection */ |
| #define MSG_NBIO 0x4000 /* FIONBIO mode, used by fifofs */ |
| #define MSG_COMPAT 0x8000 /* used in sendit() */ |
| #endif |
| #ifdef _FREEBSD_KERNEL |
| #define MSG_SOCALLBCK 0x10000 /* for use by socket callbacks - soreceive (TCP) */ |
| #endif |
| #if __BSD_VISIBLE |
| #define MSG_NOSIGNAL 0x20000 /* do not generate SIGPIPE on EOF */ |
| #endif |
| |
| /* |
| * 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 { |
| socklen_t cmsg_len; /* data byte count, including hdr */ |
| int cmsg_level; /* originating protocol */ |
| int cmsg_type; /* protocol-specific type */ |
| /* followed by u_char cmsg_data[]; */ |
| }; |
| |
| #if __BSD_VISIBLE |
| /* |
| * While we may have more groups than this, the cmsgcred struct must |
| * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow |
| * this. |
| */ |
| #define CMGROUP_MAX 16 |
| |
| /* |
| * Credentials structure, used to verify the identity of a peer |
| * process that has sent us a message. This is allocated by the |
| * peer process but filled in by the kernel. This prevents the |
| * peer from lying about its identity. (Note that cmcred_groups[0] |
| * is the effective GID.) |
| */ |
| struct cmsgcred { |
| pid_t cmcred_pid; /* PID of sending process */ |
| uid_t cmcred_uid; /* real UID of sending process */ |
| uid_t cmcred_euid; /* effective UID of sending process */ |
| gid_t cmcred_gid; /* real GID of sending process */ |
| short cmcred_ngroups; /* number or groups */ |
| gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ |
| }; |
| |
| /* |
| * Socket credentials. |
| */ |
| struct sockcred { |
| uid_t sc_uid; /* real user id */ |
| uid_t sc_euid; /* effective user id */ |
| gid_t sc_gid; /* real group id */ |
| gid_t sc_egid; /* effective group id */ |
| int sc_ngroups; /* number of supplemental groups */ |
| gid_t sc_groups[1]; /* variable length */ |
| }; |
| |
| /* |
| * Compute size of a sockcred structure with groups. |
| */ |
| #define SOCKCREDSIZE(ngrps) \ |
| (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) |
| |
| #endif /* __BSD_VISIBLE */ |
| |
| /* given pointer to struct cmsghdr, return pointer to data */ |
| #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ |
| _ALIGN(sizeof(struct cmsghdr))) |
| |
| /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ |
| #define CMSG_NXTHDR(mhdr, cmsg) \ |
| ((char *)(cmsg) == NULL ? CMSG_FIRSTHDR(mhdr) : \ |
| ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \ |
| _ALIGN(sizeof(struct cmsghdr)) > \ |
| (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ |
| (struct cmsghdr *)0 : \ |
| (struct cmsghdr *)((char *)(cmsg) + \ |
| _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len))) |
| |
| /* |
| * RFC 2292 requires to check msg_controllen, in case that the kernel returns |
| * an empty list for some reasons. |
| */ |
| #define CMSG_FIRSTHDR(mhdr) \ |
| ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ |
| (struct cmsghdr *)(mhdr)->msg_control : \ |
| (struct cmsghdr *)NULL) |
| |
| #if __BSD_VISIBLE |
| /* RFC 2292 additions */ |
| #define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l)) |
| #define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l)) |
| #endif |
| |
| #ifdef _FREEBSD_KERNEL |
| #define CMSG_ALIGN(n) _ALIGN(n) |
| #endif |
| |
| /* "Socket"-level control message types: */ |
| #define SCM_RIGHTS 0x01 /* access rights (array of int) */ |
| #if __BSD_VISIBLE |
| #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ |
| #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ |
| #define SCM_BINTIME 0x04 /* timestamp (struct bintime) */ |
| #endif |
| |
| #if __BSD_VISIBLE |
| /* |
| * 4.3 compat sockaddr, move to compat file later |
| */ |
| struct osockaddr { |
| unsigned 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 { |
| char *msg_name; /* optional address */ |
| int msg_namelen; /* size of address */ |
| struct iovec *msg_iov; /* scatter/gather array */ |
| int msg_iovlen; /* # elements in msg_iov */ |
| char *msg_accrights; /* access rights sent/received */ |
| int msg_accrightslen; |
| }; |
| #endif |
| |
| /* |
| * howto arguments for shutdown(2), specified by Posix.1g. |
| */ |
| #define SHUT_RD 0 /* shut down the reading side */ |
| #define SHUT_WR 1 /* shut down the writing side */ |
| #define SHUT_RDWR 2 /* shut down both sides */ |
| |
| /* we cheat and use the SHUT_XX defines for these */ |
| #define PRU_FLUSH_RD SHUT_RD |
| #define PRU_FLUSH_WR SHUT_WR |
| #define PRU_FLUSH_RDWR SHUT_RDWR |
| |
| |
| #if __BSD_VISIBLE |
| /* |
| * sendfile(2) header/trailer struct |
| */ |
| struct sf_hdtr { |
| struct iovec *headers; /* pointer to an array of header struct iovec's */ |
| int hdr_cnt; /* number of header iovec's */ |
| struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ |
| int trl_cnt; /* number of trailer iovec's */ |
| }; |
| |
| /* |
| * Sendfile-specific flag(s) |
| */ |
| #define SF_NODISKIO 0x00000001 |
| #define SF_MNOWAIT 0x00000002 |
| #define SF_SYNC 0x00000004 |
| #endif |
| |
| #ifndef _FREEBSD_KERNEL |
| |
| #include <sys/bsd_cdefs.h> |
| |
| __BEGIN_DECLS |
| int uptcp_accept(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| int uptcp_bind(int, const struct sockaddr *, socklen_t); |
| int uptcp_connect(int, const struct sockaddr *, socklen_t); |
| int uptcp_getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| int uptcp_getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict); |
| int uptcp_listen(int, int); |
| ssize_t uptcp_recv(int, void *, size_t, int); |
| ssize_t uptcp_recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); |
| ssize_t uptcp_recvmsg(int, struct msghdr *, int); |
| ssize_t uptcp_send(int, const void *, size_t, int); |
| ssize_t uptcp_sendto(int, const void *, |
| size_t, int, const struct sockaddr *, socklen_t); |
| ssize_t uptcp_sendmsg(int, const struct msghdr *, int); |
| #if __BSD_VISIBLE |
| int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int); |
| int setfib(int); |
| #endif |
| int uptcp_setsockopt(int, int, int, const void *, socklen_t); |
| int uptcp_shutdown(int, int); |
| int uptcp_sockatmark(int); |
| int uptcp_socket(int, int, int); |
| int uptcp_socketpair(int, int, int, int *); |
| __END_DECLS |
| |
| #endif /* !_FREEBSD_KERNEL */ |
| |
| #ifdef _FREEBSD_KERNEL |
| struct socket; |
| |
| struct tcpcb *so_sototcpcb(struct socket *so); |
| struct inpcb *so_sotoinpcb(struct socket *so); |
| struct sockbuf *so_sockbuf_snd(struct socket *); |
| struct sockbuf *so_sockbuf_rcv(struct socket *); |
| |
| int so_state_get(const struct socket *); |
| void so_state_set(struct socket *, int); |
| |
| int so_options_get(const struct socket *); |
| void so_options_set(struct socket *, int); |
| |
| int so_error_get(const struct socket *); |
| void so_error_set(struct socket *, int); |
| |
| int so_linger_get(const struct socket *); |
| void so_linger_set(struct socket *, int); |
| |
| struct protosw *so_protosw_get(const struct socket *); |
| void so_protosw_set(struct socket *, struct protosw *); |
| |
| void so_sorwakeup_locked(struct socket *so); |
| void so_sowwakeup_locked(struct socket *so); |
| |
| void so_sorwakeup(struct socket *so); |
| void so_sowwakeup(struct socket *so); |
| |
| void so_lock(struct socket *so); |
| void so_unlock(struct socket *so); |
| |
| void so_listeners_apply_all(struct socket *so, void (*func)(struct socket *, void *), void *arg); |
| |
| #endif |
| |
| |
| #endif /* !_BSD_SYS_SOCKET_H_ */ |