[deliverable/linux.git] / include / linux / tcp_diag.h

#ifndef _TCP_DIAG_H_
#define _TCP_DIAG_H_ 1

/* Just some random number */
#define TCPDIAG_GETSOCK 18
#define DCCPDIAG_GETSOCK 19

#define INET_DIAG_GETSOCK_MAX 24

/* Socket identity */
struct tcpdiag_sockid
{
	__u16	tcpdiag_sport;
	__u16	tcpdiag_dport;
	__u32	tcpdiag_src[4];
	__u32	tcpdiag_dst[4];
	__u32	tcpdiag_if;
	__u32	tcpdiag_cookie[2];
#define TCPDIAG_NOCOOKIE (~0U)
};

/* Request structure */

struct tcpdiagreq
{
	__u8	tcpdiag_family;		/* Family of addresses. */
	__u8	tcpdiag_src_len;
	__u8	tcpdiag_dst_len;
	__u8	tcpdiag_ext;		/* Query extended information */

	struct tcpdiag_sockid id;

	__u32	tcpdiag_states;		/* States to dump */
	__u32	tcpdiag_dbs;		/* Tables to dump (NI) */
};

enum
{
	TCPDIAG_REQ_NONE,
	TCPDIAG_REQ_BYTECODE,
};

#define TCPDIAG_REQ_MAX TCPDIAG_REQ_BYTECODE

/* Bytecode is sequence of 4 byte commands followed by variable arguments.
 * All the commands identified by "code" are conditional jumps forward:
 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
 * length of the command and its arguments.
 */
 
struct tcpdiag_bc_op
{
	unsigned char	code;
	unsigned char	yes;
	unsigned short	no;
};

enum
{
	TCPDIAG_BC_NOP,
	TCPDIAG_BC_JMP,
	TCPDIAG_BC_S_GE,
	TCPDIAG_BC_S_LE,
	TCPDIAG_BC_D_GE,
	TCPDIAG_BC_D_LE,
	TCPDIAG_BC_AUTO,
	TCPDIAG_BC_S_COND,
	TCPDIAG_BC_D_COND,
};

struct tcpdiag_hostcond
{
	__u8	family;
	__u8	prefix_len;
	int	port;
	__u32	addr[0];
};

/* Base info structure. It contains socket identity (addrs/ports/cookie)
 * and, alas, the information shown by netstat. */
struct tcpdiagmsg
{
	__u8	tcpdiag_family;
	__u8	tcpdiag_state;
	__u8	tcpdiag_timer;
	__u8	tcpdiag_retrans;

	struct tcpdiag_sockid id;

	__u32	tcpdiag_expires;
	__u32	tcpdiag_rqueue;
	__u32	tcpdiag_wqueue;
	__u32	tcpdiag_uid;
	__u32	tcpdiag_inode;
};

/* Extensions */

enum
{
	TCPDIAG_NONE,
	TCPDIAG_MEMINFO,
	TCPDIAG_INFO,
	TCPDIAG_VEGASINFO,
	TCPDIAG_CONG,
};

#define TCPDIAG_MAX TCPDIAG_CONG


/* TCPDIAG_MEM */

struct tcpdiag_meminfo
{
	__u32	tcpdiag_rmem;
	__u32	tcpdiag_wmem;
	__u32	tcpdiag_fmem;
	__u32	tcpdiag_tmem;
};

/* TCPDIAG_VEGASINFO */

struct tcpvegas_info {
	__u32	tcpv_enabled;
	__u32	tcpv_rttcnt;
	__u32	tcpv_rtt;
	__u32	tcpv_minrtt;
};

#ifdef __KERNEL__
struct sock;
struct inet_hashinfo;

struct inet_diag_handler {
	struct inet_hashinfo    *idiag_hashinfo;
	void			(*idiag_get_info)(struct sock *sk,
						  struct tcpdiagmsg *r,
						  void *info);
	__u16                   idiag_info_size;
	__u16                   idiag_type;
};

extern int  inet_diag_register(const struct inet_diag_handler *handler);
extern void inet_diag_unregister(const struct inet_diag_handler *handler);
#endif /* __KERNEL__ */

#endif /* _TCP_DIAG_H_ */
Commit	Line	Data
1da177e4 LT	1	#ifndef _TCP_DIAG_H_
	2	#define _TCP_DIAG_H_ 1
	3
	4	/* Just some random number */
	5	#define TCPDIAG_GETSOCK 18
540722ff	6	#define DCCPDIAG_GETSOCK 19
1da177e4	7
4f5736c4 ACM	8	#define INET_DIAG_GETSOCK_MAX 24
4f5736c4 ACM	9
1da177e4 LT	10	/* Socket identity */
	11	struct tcpdiag_sockid
	12	{
	13	__u16 tcpdiag_sport;
	14	__u16 tcpdiag_dport;
	15	__u32 tcpdiag_src[4];
	16	__u32 tcpdiag_dst[4];
	17	__u32 tcpdiag_if;
	18	__u32 tcpdiag_cookie[2];
	19	#define TCPDIAG_NOCOOKIE (~0U)
	20	};
	21
	22	/* Request structure */
	23
	24	struct tcpdiagreq
	25	{
	26	__u8 tcpdiag_family; /* Family of addresses. */
	27	__u8 tcpdiag_src_len;
	28	__u8 tcpdiag_dst_len;
	29	__u8 tcpdiag_ext; /* Query extended information */
	30
	31	struct tcpdiag_sockid id;
	32
	33	__u32 tcpdiag_states; /* States to dump */
	34	__u32 tcpdiag_dbs; /* Tables to dump (NI) */
	35	};
	36
	37	enum
	38	{
	39	TCPDIAG_REQ_NONE,
	40	TCPDIAG_REQ_BYTECODE,
	41	};
	42
	43	#define TCPDIAG_REQ_MAX TCPDIAG_REQ_BYTECODE
	44
	45	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	46	* All the commands identified by "code" are conditional jumps forward:
	47	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	48	* length of the command and its arguments.
	49	*/
	50
	51	struct tcpdiag_bc_op
	52	{
	53	unsigned char code;
	54	unsigned char yes;
	55	unsigned short no;
	56	};
	57
	58	enum
	59	{
	60	TCPDIAG_BC_NOP,
	61	TCPDIAG_BC_JMP,
	62	TCPDIAG_BC_S_GE,
	63	TCPDIAG_BC_S_LE,
	64	TCPDIAG_BC_D_GE,
	65	TCPDIAG_BC_D_LE,
	66	TCPDIAG_BC_AUTO,
	67	TCPDIAG_BC_S_COND,
	68	TCPDIAG_BC_D_COND,
	69	};
	70
	71	struct tcpdiag_hostcond
	72	{
	73	__u8 family;
74	__u8 prefix_len;
75	int port;
76	__u32 addr[0];
77	};
78
79	/* Base info structure. It contains socket identity (addrs/ports/cookie)
80	* and, alas, the information shown by netstat. */
81	struct tcpdiagmsg
82	{
83	__u8 tcpdiag_family;
84	__u8 tcpdiag_state;
85	__u8 tcpdiag_timer;
86	__u8 tcpdiag_retrans;
87
88	struct tcpdiag_sockid id;
89
90	__u32 tcpdiag_expires;
91	__u32 tcpdiag_rqueue;
92	__u32 tcpdiag_wqueue;
93	__u32 tcpdiag_uid;
94	__u32 tcpdiag_inode;
95	};
96
97	/* Extensions */
98
99	enum
100	{
101	TCPDIAG_NONE,
102	TCPDIAG_MEMINFO,
103	TCPDIAG_INFO,
104	TCPDIAG_VEGASINFO,
056ede6c	105	TCPDIAG_CONG,
1da177e4 LT	106	};
1da177e4 LT	107
056ede6c	108	#define TCPDIAG_MAX TCPDIAG_CONG
1da177e4 LT	109
	110
	111	/* TCPDIAG_MEM */
	112
	113	struct tcpdiag_meminfo
	114	{
	115	__u32 tcpdiag_rmem;
	116	__u32 tcpdiag_wmem;
	117	__u32 tcpdiag_fmem;
	118	__u32 tcpdiag_tmem;
	119	};
	120
	121	/* TCPDIAG_VEGASINFO */
	122
	123	struct tcpvegas_info {
	124	__u32 tcpv_enabled;
	125	__u32 tcpv_rttcnt;
	126	__u32 tcpv_rtt;
	127	__u32 tcpv_minrtt;
	128	};
	129
4f5736c4 ACM	130	#ifdef __KERNEL__
	131	struct sock;
	132	struct inet_hashinfo;
	133
	134	struct inet_diag_handler {
	135	struct inet_hashinfo *idiag_hashinfo;
	136	void (idiag_get_info)(struct sock sk,
	137	struct tcpdiagmsg *r,
	138	void *info);
	139	__u16 idiag_info_size;
	140	__u16 idiag_type;
	141	};
	142
	143	extern int inet_diag_register(const struct inet_diag_handler *handler);
	144	extern void inet_diag_unregister(const struct inet_diag_handler *handler);
	145	#endif /* __KERNEL__ */
	146
1da177e4	147	#endif /* _TCP_DIAG_H_ */