[linux-block.git] / include / linux / x25.h

/*
 * These are the public elements of the Linux kernel X.25 implementation.
 *
 * 	History
 *	mar/20/00	Daniela Squassoni Disabling/enabling of facilities 
 *					  negotiation.
 *	apr/02/05	Shaun Pereira Selective sub address matching with
 *					call user data
 */

#ifndef	X25_KERNEL_H
#define	X25_KERNEL_H

#define	SIOCX25GSUBSCRIP	(SIOCPROTOPRIVATE + 0)
#define	SIOCX25SSUBSCRIP	(SIOCPROTOPRIVATE + 1)
#define	SIOCX25GFACILITIES	(SIOCPROTOPRIVATE + 2)
#define	SIOCX25SFACILITIES	(SIOCPROTOPRIVATE + 3)
#define	SIOCX25GCALLUSERDATA	(SIOCPROTOPRIVATE + 4)
#define	SIOCX25SCALLUSERDATA	(SIOCPROTOPRIVATE + 5)
#define	SIOCX25GCAUSEDIAG	(SIOCPROTOPRIVATE + 6)
#define SIOCX25SCUDMATCHLEN	(SIOCPROTOPRIVATE + 7)

/*
 *	Values for {get,set}sockopt.
 */
#define	X25_QBITINCL		1

/*
 *	X.25 Packet Size values.
 */
#define	X25_PS16		4
#define	X25_PS32		5
#define	X25_PS64		6
#define	X25_PS128		7
#define	X25_PS256		8
#define	X25_PS512		9
#define	X25_PS1024		10
#define	X25_PS2048		11
#define	X25_PS4096		12

/*
 * An X.121 address, it is held as ASCII text, null terminated, up to 15
 * digits and a null terminator.
 */
struct x25_address {
	char x25_addr[16];
};

/*
 *	Linux X.25 Address structure, used for bind, and connect mostly.
 */
struct sockaddr_x25 {
	sa_family_t	   sx25_family;		/* Must be AF_X25 */
	struct x25_address sx25_addr;		/* X.121 Address */
};

/*
 *	DTE/DCE subscription options.
 *
 *      As this is missing lots of options, user should expect major
 *	changes of this structure in 2.5.x which might break compatibilty.
 *      The somewhat ugly dimension 200-sizeof() is needed to maintain
 *	backward compatibility.
 */
struct x25_subscrip_struct {
	char device[200-sizeof(unsigned long)];
	unsigned long	global_facil_mask;	/* 0 to disable negotiation */
	unsigned int	extended;
};

/* values for above global_facil_mask */

#define	X25_MASK_REVERSE	0x01	
#define	X25_MASK_THROUGHPUT	0x02
#define	X25_MASK_PACKET_SIZE	0x04
#define	X25_MASK_WINDOW_SIZE	0x08


/*
 *	Routing table control structure.
 */
struct x25_route_struct {
	struct x25_address address;
	unsigned int	   sigdigits;
	char		   device[200];
};

/*
 *	Facilities structure.
 */
struct x25_facilities {
	unsigned int	winsize_in, winsize_out;
	unsigned int	pacsize_in, pacsize_out;
	unsigned int	throughput;
	unsigned int	reverse;
};

/*
 *	Call User Data structure.
 */
struct x25_calluserdata {
	unsigned int	cudlength;
	unsigned char	cuddata[128];
};

/*
 *	Call clearing Cause and Diagnostic structure.
 */
struct x25_causediag {
	unsigned char	cause;
	unsigned char	diagnostic;
};

/*
 *	Further optional call user data match length selection
 */
struct x25_subaddr {
	unsigned int cudmatchlength;
};

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* These are the public elements of the Linux kernel X.25 implementation.
	3	*
	4	* History
	5	* mar/20/00 Daniela Squassoni Disabling/enabling of facilities
	6	* negotiation.
cb65d506 SP	7	* apr/02/05 Shaun Pereira Selective sub address matching with
cb65d506 SP	8	* call user data
1da177e4 LT	9	*/
	10
	11	#ifndef X25_KERNEL_H
	12	#define X25_KERNEL_H
	13
	14	#define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0)
	15	#define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1)
	16	#define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2)
	17	#define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3)
	18	#define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4)
	19	#define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5)
	20	#define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6)
cb65d506	21	#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7)
1da177e4 LT	22
	23	/*
	24	* Values for {get,set}sockopt.
	25	*/
	26	#define X25_QBITINCL 1
	27
	28	/*
	29	* X.25 Packet Size values.
	30	*/
	31	#define X25_PS16 4
	32	#define X25_PS32 5
	33	#define X25_PS64 6
	34	#define X25_PS128 7
	35	#define X25_PS256 8
	36	#define X25_PS512 9
	37	#define X25_PS1024 10
	38	#define X25_PS2048 11
	39	#define X25_PS4096 12
	40
	41	/*
	42	* An X.121 address, it is held as ASCII text, null terminated, up to 15
	43	* digits and a null terminator.
	44	*/
	45	struct x25_address {
	46	char x25_addr[16];
	47	};
	48
	49	/*
	50	* Linux X.25 Address structure, used for bind, and connect mostly.
	51	*/
	52	struct sockaddr_x25 {
	53	sa_family_t sx25_family; /* Must be AF_X25 */
	54	struct x25_address sx25_addr; /* X.121 Address */
	55	};
	56
	57	/*
	58	* DTE/DCE subscription options.
	59	*
	60	* As this is missing lots of options, user should expect major
	61	* changes of this structure in 2.5.x which might break compatibilty.
	62	* The somewhat ugly dimension 200-sizeof() is needed to maintain
	63	* backward compatibility.
	64	*/
	65	struct x25_subscrip_struct {
	66	char device[200-sizeof(unsigned long)];
	67	unsigned long global_facil_mask; /* 0 to disable negotiation */
	68	unsigned int extended;
	69	};
	70
	71	/* values for above global_facil_mask */
	72
	73	#define X25_MASK_REVERSE 0x01
	74	#define X25_MASK_THROUGHPUT 0x02
	75	#define X25_MASK_PACKET_SIZE 0x04
	76	#define X25_MASK_WINDOW_SIZE 0x08
	77
	78
	79
	80	/*
	81	* Routing table control structure.
	82	*/
	83	struct x25_route_struct {
	84	struct x25_address address;
	85	unsigned int sigdigits;
86	char device[200];
87	};
88
89	/*
90	* Facilities structure.
91	*/
92	struct x25_facilities {
93	unsigned int winsize_in, winsize_out;
94	unsigned int pacsize_in, pacsize_out;
95	unsigned int throughput;
96	unsigned int reverse;
97	};
98
99	/*
100	* Call User Data structure.
101	*/
102	struct x25_calluserdata {
103	unsigned int cudlength;
104	unsigned char cuddata[128];
105	};
106
107	/*
108	* Call clearing Cause and Diagnostic structure.
109	*/
110	struct x25_causediag {
111	unsigned char cause;
112	unsigned char diagnostic;
113	};
114
cb65d506 SP	115	/*
	116	* Further optional call user data match length selection
	117	*/
	118	struct x25_subaddr {
	119	unsigned int cudmatchlength;
	120	};
	121
1da177e4	122	#endif