[linux-2.6-block.git] / include / linux / socket.h

#ifndef _LINUX_SOCKET_H
#define _LINUX_SOCKET_H


#include <asm/socket.h>			/* arch-dependent defines	*/
#include <linux/sockios.h>		/* the SIOCxxx I/O controls	*/
#include <linux/uio.h>			/* iovec support		*/
#include <linux/types.h>		/* pid_t			*/
#include <linux/compiler.h>		/* __user			*/
#include <uapi/linux/socket.h>

struct pid;
struct cred;

#define __sockaddr_check_size(size)	\
	BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage)))

#ifdef CONFIG_PROC_FS
struct seq_file;
extern void socket_seq_show(struct seq_file *seq);
#endif

typedef __kernel_sa_family_t	sa_family_t;

/*
 *	1003.1g requires sa_family_t and that sa_data is char.
 */
 
struct sockaddr {
	sa_family_t	sa_family;	/* address family, AF_xxx	*/
	char		sa_data[14];	/* 14 bytes of protocol address	*/
};

struct linger {
	int		l_onoff;	/* Linger active		*/
	int		l_linger;	/* How long to linger for	*/
};

#define sockaddr_storage __kernel_sockaddr_storage

/*
 *	As we do 4.4BSD message passing we use a 4.4BSD message passing
 *	system, not 4.3. Thus msg_accrights(len) are now missing. They
 *	belong in an obscure libc emulation or the bin.
 */
 
struct msghdr {
	void		*msg_name;	/* ptr to socket address structure */
	int		msg_namelen;	/* size of socket address structure */
	struct iov_iter	msg_iter;	/* data */
	void		*msg_control;	/* ancillary data */
	__kernel_size_t	msg_controllen;	/* ancillary data buffer length */
	unsigned int	msg_flags;	/* flags on received message */
	struct kiocb	*msg_iocb;	/* ptr to iocb for async requests */
};
 
struct user_msghdr {
	void		__user *msg_name;	/* ptr to socket address structure */
	int		msg_namelen;		/* size of socket address structure */
	struct iovec	__user *msg_iov;	/* scatter/gather array */
	__kernel_size_t	msg_iovlen;		/* # elements in msg_iov */
	void		__user *msg_control;	/* ancillary data */
	__kernel_size_t	msg_controllen;		/* ancillary data buffer length */
	unsigned int	msg_flags;		/* flags on received message */
};

/* For recvmmsg/sendmmsg */
struct mmsghdr {
	struct user_msghdr  msg_hdr;
	unsigned int        msg_len;
};

/*
 *	POSIX 1003.1g - ancillary data object information
 *	Ancillary data consits of a sequence of pairs of
 *	(cmsghdr, cmsg_data[])
 */

struct cmsghdr {
	__kernel_size_t	cmsg_len;	/* data byte count, including hdr */
        int		cmsg_level;	/* originating protocol */
        int		cmsg_type;	/* protocol-specific type */
};

/*
 *	Ancillary data object information MACROS
 *	Table 5-14 of POSIX 1003.1g
 */

#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))

#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )

#define CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))

#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
				  (struct cmsghdr *)(ctl) : \
				  (struct cmsghdr *)NULL)
#define CMSG_FIRSTHDR(msg)	__CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
			     (cmsg)->cmsg_len <= (unsigned long) \
			     ((mhdr)->msg_controllen - \
			      ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
#define for_each_cmsghdr(cmsg, msg) \
	for (cmsg = CMSG_FIRSTHDR(msg); \
	     cmsg; \
	     cmsg = CMSG_NXTHDR(msg, cmsg))

/*
 *	Get the next cmsg header
 *
 *	PLEASE, do not touch this function. If you think, that it is
 *	incorrect, grep kernel sources and think about consequences
 *	before trying to improve it.
 *
 *	Now it always returns valid, not truncated ancillary object
 *	HEADER. But caller still MUST check, that cmsg->cmsg_len is
 *	inside range, given by msg->msg_controllen before using
 *	ancillary object DATA.				--ANK (980731)
 */
 
static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
					       struct cmsghdr *__cmsg)
{
	struct cmsghdr * __ptr;

	__ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) +  CMSG_ALIGN(__cmsg->cmsg_len));
	if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
		return (struct cmsghdr *)0;

	return __ptr;
}

static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
{
	return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
}

static inline size_t msg_data_left(struct msghdr *msg)
{
	return iov_iter_count(&msg->msg_iter);
}

/* "Socket"-level control message types: */

#define	SCM_RIGHTS	0x01		/* rw: access rights (array of int) */
#define SCM_CREDENTIALS 0x02		/* rw: struct ucred		*/
#define SCM_SECURITY	0x03		/* rw: security label		*/

struct ucred {
	__u32	pid;
	__u32	uid;
	__u32	gid;
};

/* Supported address families. */
#define AF_UNSPEC	0
#define AF_UNIX		1	/* Unix domain sockets 		*/
#define AF_LOCAL	1	/* POSIX name for AF_UNIX	*/
#define AF_INET		2	/* Internet IP Protocol 	*/
#define AF_AX25		3	/* Amateur Radio AX.25 		*/
#define AF_IPX		4	/* Novell IPX 			*/
#define AF_APPLETALK	5	/* AppleTalk DDP 		*/
#define AF_NETROM	6	/* Amateur Radio NET/ROM 	*/
#define AF_BRIDGE	7	/* Multiprotocol bridge 	*/
#define AF_ATMPVC	8	/* ATM PVCs			*/
#define AF_X25		9	/* Reserved for X.25 project 	*/
#define AF_INET6	10	/* IP version 6			*/
#define AF_ROSE		11	/* Amateur Radio X.25 PLP	*/
#define AF_DECnet	12	/* Reserved for DECnet project	*/
#define AF_NETBEUI	13	/* Reserved for 802.2LLC project*/
#define AF_SECURITY	14	/* Security callback pseudo AF */
#define AF_KEY		15      /* PF_KEY key management API */
#define AF_NETLINK	16
#define AF_ROUTE	AF_NETLINK /* Alias to emulate 4.4BSD */
#define AF_PACKET	17	/* Packet family		*/
#define AF_ASH		18	/* Ash				*/
#define AF_ECONET	19	/* Acorn Econet			*/
#define AF_ATMSVC	20	/* ATM SVCs			*/
#define AF_RDS		21	/* RDS sockets 			*/
#define AF_SNA		22	/* Linux SNA Project (nutters!) */
#define AF_IRDA		23	/* IRDA sockets			*/
#define AF_PPPOX	24	/* PPPoX sockets		*/
#define AF_WANPIPE	25	/* Wanpipe API Sockets */
#define AF_LLC		26	/* Linux LLC			*/
#define AF_IB		27	/* Native InfiniBand address	*/
#define AF_MPLS		28	/* MPLS */
#define AF_CAN		29	/* Controller Area Network      */
#define AF_TIPC		30	/* TIPC sockets			*/
#define AF_BLUETOOTH	31	/* Bluetooth sockets 		*/
#define AF_IUCV		32	/* IUCV sockets			*/
#define AF_RXRPC	33	/* RxRPC sockets 		*/
#define AF_ISDN		34	/* mISDN sockets 		*/
#define AF_PHONET	35	/* Phonet sockets		*/
#define AF_IEEE802154	36	/* IEEE802154 sockets		*/
#define AF_CAIF		37	/* CAIF sockets			*/
#define AF_ALG		38	/* Algorithm sockets		*/
#define AF_NFC		39	/* NFC sockets			*/
#define AF_VSOCK	40	/* vSockets			*/
#define AF_MAX		41	/* For now.. */

/* Protocol families, same as address families. */
#define PF_UNSPEC	AF_UNSPEC
#define PF_UNIX		AF_UNIX
#define PF_LOCAL	AF_LOCAL
#define PF_INET		AF_INET
#define PF_AX25		AF_AX25
#define PF_IPX		AF_IPX
#define PF_APPLETALK	AF_APPLETALK
#define	PF_NETROM	AF_NETROM
#define PF_BRIDGE	AF_BRIDGE
#define PF_ATMPVC	AF_ATMPVC
#define PF_X25		AF_X25
#define PF_INET6	AF_INET6
#define PF_ROSE		AF_ROSE
#define PF_DECnet	AF_DECnet
#define PF_NETBEUI	AF_NETBEUI
#define PF_SECURITY	AF_SECURITY
#define PF_KEY		AF_KEY
#define PF_NETLINK	AF_NETLINK
#define PF_ROUTE	AF_ROUTE
#define PF_PACKET	AF_PACKET
#define PF_ASH		AF_ASH
#define PF_ECONET	AF_ECONET
#define PF_ATMSVC	AF_ATMSVC
#define PF_RDS		AF_RDS
#define PF_SNA		AF_SNA
#define PF_IRDA		AF_IRDA
#define PF_PPPOX	AF_PPPOX
#define PF_WANPIPE	AF_WANPIPE
#define PF_LLC		AF_LLC
#define PF_IB		AF_IB
#define PF_MPLS		AF_MPLS
#define PF_CAN		AF_CAN
#define PF_TIPC		AF_TIPC
#define PF_BLUETOOTH	AF_BLUETOOTH
#define PF_IUCV		AF_IUCV
#define PF_RXRPC	AF_RXRPC
#define PF_ISDN		AF_ISDN
#define PF_PHONET	AF_PHONET
#define PF_IEEE802154	AF_IEEE802154
#define PF_CAIF		AF_CAIF
#define PF_ALG		AF_ALG
#define PF_NFC		AF_NFC
#define PF_VSOCK	AF_VSOCK
#define PF_MAX		AF_MAX

/* Maximum queue length specifiable by listen.  */
#define SOMAXCONN	128

/* Flags we can use with send/ and recv. 
   Added those for 1003.1g not all are supported yet
 */
 
#define MSG_OOB		1
#define MSG_PEEK	2
#define MSG_DONTROUTE	4
#define MSG_TRYHARD     4       /* Synonym for MSG_DONTROUTE for DECnet */
#define MSG_CTRUNC	8
#define MSG_PROBE	0x10	/* Do not send. Only probe path f.e. for MTU */
#define MSG_TRUNC	0x20
#define MSG_DONTWAIT	0x40	/* Nonblocking io		 */
#define MSG_EOR         0x80	/* End of record */
#define MSG_WAITALL	0x100	/* Wait for a full request */
#define MSG_FIN         0x200
#define MSG_SYN		0x400
#define MSG_CONFIRM	0x800	/* Confirm path validity */
#define MSG_RST		0x1000
#define MSG_ERRQUEUE	0x2000	/* Fetch message from error queue */
#define MSG_NOSIGNAL	0x4000	/* Do not generate SIGPIPE */
#define MSG_MORE	0x8000	/* Sender will send more */
#define MSG_WAITFORONE	0x10000	/* recvmmsg(): block until 1+ packets avail */
#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_EOF         MSG_FIN

#define MSG_FASTOPEN	0x20000000	/* Send data in TCP SYN */
#define MSG_CMSG_CLOEXEC 0x40000000	/* Set close_on_exec for file
					   descriptor received through
					   SCM_RIGHTS */
#if defined(CONFIG_COMPAT)
#define MSG_CMSG_COMPAT	0x80000000	/* This message needs 32 bit fixups */
#else
#define MSG_CMSG_COMPAT	0		/* We never have 32 bit fixups */
#endif


/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
#define SOL_IP		0
/* #define SOL_ICMP	1	No-no-no! Due to Linux :-) we cannot use SOL_ICMP=1 */
#define SOL_TCP		6
#define SOL_UDP		17
#define SOL_IPV6	41
#define SOL_ICMPV6	58
#define SOL_SCTP	132
#define SOL_UDPLITE	136     /* UDP-Lite (RFC 3828) */
#define SOL_RAW		255
#define SOL_IPX		256
#define SOL_AX25	257
#define SOL_ATALK	258
#define SOL_NETROM	259
#define SOL_ROSE	260
#define SOL_DECNET	261
#define	SOL_X25		262
#define SOL_PACKET	263
#define SOL_ATM		264	/* ATM layer (cell level) */
#define SOL_AAL		265	/* ATM Adaption Layer (packet level) */
#define SOL_IRDA        266
#define SOL_NETBEUI	267
#define SOL_LLC		268
#define SOL_DCCP	269
#define SOL_NETLINK	270
#define SOL_TIPC	271
#define SOL_RXRPC	272
#define SOL_PPPOL2TP	273
#define SOL_BLUETOOTH	274
#define SOL_PNPIPE	275
#define SOL_RDS		276
#define SOL_IUCV	277
#define SOL_CAIF	278
#define SOL_ALG		279
#define SOL_NFC		280

/* IPX options */
#define IPX_TYPE	1

extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr);
extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);

struct timespec;

/* The __sys_...msg variants allow MSG_CMSG_COMPAT */
extern long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
			  unsigned int flags, struct timespec *timeout);
extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,
			  unsigned int vlen, unsigned int flags);
#endif /* _LINUX_SOCKET_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_SOCKET_H
	2	#define _LINUX_SOCKET_H
	3
1da177e4	4
1da177e4 LT	5	#include <asm/socket.h> /* arch-dependent defines */
	6	#include <linux/sockios.h> /* the SIOCxxx I/O controls */
	7	#include <linux/uio.h> /* iovec support */
	8	#include <linux/types.h> /* pid_t */
	9	#include <linux/compiler.h> /* __user */
607ca46e	10	#include <uapi/linux/socket.h>
1da177e4	11
3f551f94 EB	12	struct pid;
	13	struct cred;
	14
38bfd8f5 CG	15	#define __sockaddr_check_size(size) \
	16	BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage)))
	17
2ad0d9d4	18	#ifdef CONFIG_PROC_FS
20380731 ACM	19	struct seq_file;
20380731 ACM	20	extern void socket_seq_show(struct seq_file *seq);
2ad0d9d4	21	#endif
20380731	22
6602a4ba	23	typedef __kernel_sa_family_t sa_family_t;
1da177e4 LT	24
	25	/*
	26	* 1003.1g requires sa_family_t and that sa_data is char.
	27	*/
	28
	29	struct sockaddr {
	30	sa_family_t sa_family; /* address family, AF_xxx */
	31	char sa_data[14]; /* 14 bytes of protocol address */
	32	};
	33
	34	struct linger {
	35	int l_onoff; /* Linger active */
	36	int l_linger; /* How long to linger for */
	37	};
	38
	39	#define sockaddr_storage __kernel_sockaddr_storage
	40
	41	/*
	42	* As we do 4.4BSD message passing we use a 4.4BSD message passing
	43	* system, not 4.3. Thus msg_accrights(len) are now missing. They
	44	* belong in an obscure libc emulation or the bin.
	45	*/
	46
	47	struct msghdr {
eb97768a FLB	48	void msg_name; / ptr to socket address structure */
eb97768a FLB	49	int msg_namelen; /* size of socket address structure */
c0371da6	50	struct iov_iter msg_iter; /* data */
eb97768a FLB	51	void msg_control; / ancillary data */
	52	__kernel_size_t msg_controllen; /* ancillary data buffer length */
	53	unsigned int msg_flags; /* flags on received message */
0345f931	54	struct kiocb msg_iocb; / ptr to iocb for async requests */
1da177e4	55	};
666547ff AV	56
	57	struct user_msghdr {
	58	void __user msg_name; / ptr to socket address structure */
	59	int msg_namelen; /* size of socket address structure */
	60	struct iovec __user msg_iov; / scatter/gather array */
	61	__kernel_size_t msg_iovlen; /* # elements in msg_iov */
	62	void __user msg_control; / ancillary data */
	63	__kernel_size_t msg_controllen; /* ancillary data buffer length */
	64	unsigned int msg_flags; /* flags on received message */
	65	};
1da177e4	66
a2e27255 ACM	67	/* For recvmmsg/sendmmsg */
a2e27255 ACM	68	struct mmsghdr {
666547ff	69	struct user_msghdr msg_hdr;
95c96174	70	unsigned int msg_len;
a2e27255 ACM	71	};
a2e27255 ACM	72
1da177e4 LT	73	/*
	74	* POSIX 1003.1g - ancillary data object information
	75	* Ancillary data consits of a sequence of pairs of
	76	* (cmsghdr, cmsg_data[])
	77	*/
	78
	79	struct cmsghdr {
	80	__kernel_size_t cmsg_len; /* data byte count, including hdr */
	81	int cmsg_level; /* originating protocol */
	82	int cmsg_type; /* protocol-specific type */
	83	};
	84
	85	/*
25985edc	86	* Ancillary data object information MACROS
1da177e4 LT	87	* Table 5-14 of POSIX 1003.1g
	88	*/
	89
	90	#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
	91	#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
	92
	93	#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
	94
	95	#define CMSG_DATA(cmsg) ((void )((char )(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
	96	#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
	97	#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
	98
	99	#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
	100	(struct cmsghdr *)(ctl) : \
	101	(struct cmsghdr *)NULL)
	102	#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
	103	#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
	104	(cmsg)->cmsg_len <= (unsigned long) \
	105	((mhdr)->msg_controllen - \
	106	((char )(cmsg) - (char )(mhdr)->msg_control)))
f95b414e GZ	107	#define for_each_cmsghdr(cmsg, msg) \
	108	for (cmsg = CMSG_FIRSTHDR(msg); \
	109	cmsg; \
	110	cmsg = CMSG_NXTHDR(msg, cmsg))
1da177e4	111
1da177e4 LT	112	/*
	113	* Get the next cmsg header
	114	*
	115	* PLEASE, do not touch this function. If you think, that it is
	116	* incorrect, grep kernel sources and think about consequences
	117	* before trying to improve it.
	118	*
	119	* Now it always returns valid, not truncated ancillary object
	120	* HEADER. But caller still MUST check, that cmsg->cmsg_len is
	121	* inside range, given by msg->msg_controllen before using
	122	* ancillary object DATA. --ANK (980731)
	123	*/
	124
9c501935	125	static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
1da177e4 LT	126	struct cmsghdr *__cmsg)
	127	{
	128	struct cmsghdr * __ptr;
	129
	130	__ptr = (struct cmsghdr)(((unsigned char ) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
	131	if ((unsigned long)((char)(__ptr+1) - (char ) __ctl) > __size)
	132	return (struct cmsghdr *)0;
	133
	134	return __ptr;
	135	}
	136
9c501935	137	static inline struct cmsghdr * cmsg_nxthdr (struct msghdr __msg, struct cmsghdr __cmsg)
1da177e4 LT	138	{
	139	return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
	140	}
	141
01e97e65 AV	142	static inline size_t msg_data_left(struct msghdr *msg)
	143	{
	144	return iov_iter_count(&msg->msg_iter);
	145	}
	146
1da177e4 LT	147	/* "Socket"-level control message types: */
	148
	149	#define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
	150	#define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
2c7946a7	151	#define SCM_SECURITY 0x03 /* rw: security label */
1da177e4 LT	152
	153	struct ucred {
	154	__u32 pid;
	155	__u32 uid;
	156	__u32 gid;
	157	};
	158
	159	/* Supported address families. */
	160	#define AF_UNSPEC 0
	161	#define AF_UNIX 1 /* Unix domain sockets */
	162	#define AF_LOCAL 1 /* POSIX name for AF_UNIX */
	163	#define AF_INET 2 /* Internet IP Protocol */
	164	#define AF_AX25 3 /* Amateur Radio AX.25 */
	165	#define AF_IPX 4 /* Novell IPX */
	166	#define AF_APPLETALK 5 /* AppleTalk DDP */
	167	#define AF_NETROM 6 /* Amateur Radio NET/ROM */
	168	#define AF_BRIDGE 7 /* Multiprotocol bridge */
	169	#define AF_ATMPVC 8 /* ATM PVCs */
	170	#define AF_X25 9 /* Reserved for X.25 project */
	171	#define AF_INET6 10 /* IP version 6 */
	172	#define AF_ROSE 11 /* Amateur Radio X.25 PLP */
	173	#define AF_DECnet 12 /* Reserved for DECnet project */
	174	#define AF_NETBEUI 13 /* Reserved for 802.2LLC project*/
	175	#define AF_SECURITY 14 /* Security callback pseudo AF */
	176	#define AF_KEY 15 /* PF_KEY key management API */
	177	#define AF_NETLINK 16
	178	#define AF_ROUTE AF_NETLINK /* Alias to emulate 4.4BSD */
	179	#define AF_PACKET 17 /* Packet family */
	180	#define AF_ASH 18 /* Ash */
	181	#define AF_ECONET 19 /* Acorn Econet */
	182	#define AF_ATMSVC 20 /* ATM SVCs */
8a7c4c77	183	#define AF_RDS 21 /* RDS sockets */
1da177e4 LT	184	#define AF_SNA 22 /* Linux SNA Project (nutters!) */
	185	#define AF_IRDA 23 /* IRDA sockets */
	186	#define AF_PPPOX 24 /* PPPoX sockets */
	187	#define AF_WANPIPE 25 /* Wanpipe API Sockets */
	188	#define AF_LLC 26 /* Linux LLC */
8d36eb01	189	#define AF_IB 27 /* Native InfiniBand address */
0189197f	190	#define AF_MPLS 28 /* MPLS */
cd05acfe	191	#define AF_CAN 29 /* Controller Area Network */
b97bf3fd	192	#define AF_TIPC 30 /* TIPC sockets */
1da177e4	193	#define AF_BLUETOOTH 31 /* Bluetooth sockets */
eac3731b	194	#define AF_IUCV 32 /* IUCV sockets */
17926a79	195	#define AF_RXRPC 33 /* RxRPC sockets */
04578dd3	196	#define AF_ISDN 34 /* mISDN sockets */
bce7b154	197	#define AF_PHONET 35 /* Phonet sockets */
fcb94e42	198	#define AF_IEEE802154 36 /* IEEE802154 sockets */
70596b61	199	#define AF_CAIF 37 /* CAIF sockets */
c2f9bff5	200	#define AF_ALG 38 /* Algorithm sockets */
c7fe3b52	201	#define AF_NFC 39 /* NFC sockets */
d021c344 AK	202	#define AF_VSOCK 40 /* vSockets */
d021c344 AK	203	#define AF_MAX 41 /* For now.. */
1da177e4 LT	204
	205	/* Protocol families, same as address families. */
	206	#define PF_UNSPEC AF_UNSPEC
	207	#define PF_UNIX AF_UNIX
	208	#define PF_LOCAL AF_LOCAL
	209	#define PF_INET AF_INET
	210	#define PF_AX25 AF_AX25
	211	#define PF_IPX AF_IPX
	212	#define PF_APPLETALK AF_APPLETALK
	213	#define PF_NETROM AF_NETROM
	214	#define PF_BRIDGE AF_BRIDGE
	215	#define PF_ATMPVC AF_ATMPVC
	216	#define PF_X25 AF_X25
	217	#define PF_INET6 AF_INET6
	218	#define PF_ROSE AF_ROSE
	219	#define PF_DECnet AF_DECnet
	220	#define PF_NETBEUI AF_NETBEUI
	221	#define PF_SECURITY AF_SECURITY
	222	#define PF_KEY AF_KEY
	223	#define PF_NETLINK AF_NETLINK
	224	#define PF_ROUTE AF_ROUTE
	225	#define PF_PACKET AF_PACKET
	226	#define PF_ASH AF_ASH
	227	#define PF_ECONET AF_ECONET
	228	#define PF_ATMSVC AF_ATMSVC
8a7c4c77	229	#define PF_RDS AF_RDS
1da177e4 LT	230	#define PF_SNA AF_SNA
	231	#define PF_IRDA AF_IRDA
	232	#define PF_PPPOX AF_PPPOX
	233	#define PF_WANPIPE AF_WANPIPE
	234	#define PF_LLC AF_LLC
8d36eb01	235	#define PF_IB AF_IB
0189197f	236	#define PF_MPLS AF_MPLS
cd05acfe	237	#define PF_CAN AF_CAN
b97bf3fd	238	#define PF_TIPC AF_TIPC
1da177e4	239	#define PF_BLUETOOTH AF_BLUETOOTH
eac3731b	240	#define PF_IUCV AF_IUCV
17926a79	241	#define PF_RXRPC AF_RXRPC
04578dd3	242	#define PF_ISDN AF_ISDN
bce7b154	243	#define PF_PHONET AF_PHONET
fcb94e42	244	#define PF_IEEE802154 AF_IEEE802154
70596b61	245	#define PF_CAIF AF_CAIF
c2f9bff5	246	#define PF_ALG AF_ALG
c7fe3b52	247	#define PF_NFC AF_NFC
d021c344	248	#define PF_VSOCK AF_VSOCK
1da177e4 LT	249	#define PF_MAX AF_MAX
	250
	251	/* Maximum queue length specifiable by listen. */
	252	#define SOMAXCONN 128
	253
	254	/* Flags we can use with send/ and recv.
	255	Added those for 1003.1g not all are supported yet
	256	*/
	257
	258	#define MSG_OOB 1
	259	#define MSG_PEEK 2
	260	#define MSG_DONTROUTE 4
	261	#define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */
	262	#define MSG_CTRUNC 8
	263	#define MSG_PROBE 0x10 /* Do not send. Only probe path f.e. for MTU */
	264	#define MSG_TRUNC 0x20
	265	#define MSG_DONTWAIT 0x40 /* Nonblocking io */
	266	#define MSG_EOR 0x80 /* End of record */
	267	#define MSG_WAITALL 0x100 /* Wait for a full request */
	268	#define MSG_FIN 0x200
	269	#define MSG_SYN 0x400
	270	#define MSG_CONFIRM 0x800 /* Confirm path validity */
	271	#define MSG_RST 0x1000
	272	#define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */
	273	#define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
	274	#define MSG_MORE 0x8000 /* Sender will send more */
71c5c159	275	#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
35f9c09f	276	#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
1da177e4 LT	277	#define MSG_EOF MSG_FIN
1da177e4 LT	278
cf60af03	279	#define MSG_FASTOPEN 0x20000000 /* Send data in TCP SYN */
9cdb5dbf	280	#define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exec for file
4a19542e UD	281	descriptor received through
4a19542e UD	282	SCM_RIGHTS */
1da177e4 LT	283	#if defined(CONFIG_COMPAT)
	284	#define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
	285	#else
	286	#define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */
	287	#endif
	288
	289
	290	/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
	291	#define SOL_IP 0
	292	/* #define SOL_ICMP 1 No-no-no! Due to Linux :-) we cannot use SOL_ICMP=1 */
	293	#define SOL_TCP 6
	294	#define SOL_UDP 17
	295	#define SOL_IPV6 41
	296	#define SOL_ICMPV6 58
	297	#define SOL_SCTP 132
ba4e58ec	298	#define SOL_UDPLITE 136 /* UDP-Lite (RFC 3828) */
1da177e4 LT	299	#define SOL_RAW 255
	300	#define SOL_IPX 256
	301	#define SOL_AX25 257
	302	#define SOL_ATALK 258
	303	#define SOL_NETROM 259
	304	#define SOL_ROSE 260
	305	#define SOL_DECNET 261
	306	#define SOL_X25 262
	307	#define SOL_PACKET 263
	308	#define SOL_ATM 264 /* ATM layer (cell level) */
	309	#define SOL_AAL 265 /* ATM Adaption Layer (packet level) */
	310	#define SOL_IRDA 266
	311	#define SOL_NETBEUI 267
	312	#define SOL_LLC 268
7c657876	313	#define SOL_DCCP 269
9a4595bc	314	#define SOL_NETLINK 270
b97bf3fd	315	#define SOL_TIPC 271
17926a79	316	#define SOL_RXRPC 272
cf14a4d0	317	#define SOL_PPPOL2TP 273
2cb3377a	318	#define SOL_BLUETOOTH 274
02a47617	319	#define SOL_PNPIPE 275
8a7c4c77	320	#define SOL_RDS 276
9d5c5d8f	321	#define SOL_IUCV 277
70596b61	322	#define SOL_CAIF 278
c2f9bff5	323	#define SOL_ALG 279
26fd76ca	324	#define SOL_NFC 280
1da177e4 LT	325
	326	/* IPX options */
	327	#define IPX_TYPE 1
	328
43db362d	329	extern int move_addr_to_kernel(void __user uaddr, int ulen, struct sockaddr_storage kaddr);
1da177e4 LT	330	extern int put_cmsg(struct msghdr, int level, int type, int len, void data);
1da177e4 LT	331
a2e27255 ACM	332	struct timespec;
a2e27255 ACM	333
a7526eb5	334	/* The __sys_...msg variants allow MSG_CMSG_COMPAT */
666547ff AV	335	extern long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
666547ff AV	336	extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
a2e27255 ACM	337	extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
a2e27255 ACM	338	unsigned int flags, struct timespec *timeout);
228e548e AB	339	extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,
228e548e AB	340	unsigned int vlen, unsigned int flags);
1da177e4	341	#endif /* _LINUX_SOCKET_H */