[linux.git] / include / linux / inet_diag.h

#ifndef _INET_DIAG_H_
#define _INET_DIAG_H_ 1

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

#define INET_DIAG_GETSOCK_MAX 24

/* Socket identity */
struct inet_diag_sockid {
	__be16	idiag_sport;
	__be16	idiag_dport;
	__be32	idiag_src[4];
	__be32	idiag_dst[4];
	__u32	idiag_if;
	__u32	idiag_cookie[2];
#define INET_DIAG_NOCOOKIE (~0U)
};

/* Request structure */

struct inet_diag_req {
	__u8	idiag_family;		/* Family of addresses. */
	__u8	idiag_src_len;
	__u8	idiag_dst_len;
	__u8	idiag_ext;		/* Query extended information */

	struct inet_diag_sockid id;

	__u32	idiag_states;		/* States to dump */
	__u32	idiag_dbs;		/* Tables to dump (NI) */
};

enum {
	INET_DIAG_REQ_NONE,
	INET_DIAG_REQ_BYTECODE,
};

#define INET_DIAG_REQ_MAX INET_DIAG_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 inet_diag_bc_op {
	unsigned char	code;
	unsigned char	yes;
	unsigned short	no;
};

enum {
	INET_DIAG_BC_NOP,
	INET_DIAG_BC_JMP,
	INET_DIAG_BC_S_GE,
	INET_DIAG_BC_S_LE,
	INET_DIAG_BC_D_GE,
	INET_DIAG_BC_D_LE,
	INET_DIAG_BC_AUTO,
	INET_DIAG_BC_S_COND,
	INET_DIAG_BC_D_COND,
};

struct inet_diag_hostcond {
	__u8	family;
	__u8	prefix_len;
	int	port;
	__be32	addr[0];
};

/* Base info structure. It contains socket identity (addrs/ports/cookie)
 * and, alas, the information shown by netstat. */
struct inet_diag_msg {
	__u8	idiag_family;
	__u8	idiag_state;
	__u8	idiag_timer;
	__u8	idiag_retrans;

	struct inet_diag_sockid id;

	__u32	idiag_expires;
	__u32	idiag_rqueue;
	__u32	idiag_wqueue;
	__u32	idiag_uid;
	__u32	idiag_inode;
};

/* Extensions */

enum {
	INET_DIAG_NONE,
	INET_DIAG_MEMINFO,
	INET_DIAG_INFO,
	INET_DIAG_VEGASINFO,
	INET_DIAG_CONG,
};

#define INET_DIAG_MAX INET_DIAG_CONG


/* INET_DIAG_MEM */

struct inet_diag_meminfo {
	__u32	idiag_rmem;
	__u32	idiag_wmem;
	__u32	idiag_fmem;
	__u32	idiag_tmem;
};

/* INET_DIAG_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 inet_diag_msg *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 /* _INET_DIAG_H_ */
Commit	Line	Data
73c1f4a0 ACM	1	#ifndef _INET_DIAG_H_
73c1f4a0 ACM	2	#define _INET_DIAG_H_ 1
1da177e4 LT	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	10	/* Socket identity */
73c1f4a0	11	struct inet_diag_sockid {
9f855299 AV	12	__be16 idiag_sport;
	13	__be16 idiag_dport;
	14	__be32 idiag_src[4];
	15	__be32 idiag_dst[4];
73c1f4a0 ACM	16	__u32 idiag_if;
	17	__u32 idiag_cookie[2];
	18	#define INET_DIAG_NOCOOKIE (~0U)
1da177e4 LT	19	};
	20
	21	/* Request structure */
	22
73c1f4a0 ACM	23	struct inet_diag_req {
	24	__u8 idiag_family; /* Family of addresses. */
	25	__u8 idiag_src_len;
	26	__u8 idiag_dst_len;
	27	__u8 idiag_ext; /* Query extended information */
1da177e4	28
73c1f4a0	29	struct inet_diag_sockid id;
1da177e4	30
73c1f4a0 ACM	31	__u32 idiag_states; /* States to dump */
73c1f4a0 ACM	32	__u32 idiag_dbs; /* Tables to dump (NI) */
1da177e4 LT	33	};
1da177e4 LT	34
73c1f4a0 ACM	35	enum {
	36	INET_DIAG_REQ_NONE,
	37	INET_DIAG_REQ_BYTECODE,
1da177e4 LT	38	};
1da177e4 LT	39
73c1f4a0	40	#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
1da177e4 LT	41
	42	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	43	* All the commands identified by "code" are conditional jumps forward:
	44	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	45	* length of the command and its arguments.
	46	*/
	47
73c1f4a0	48	struct inet_diag_bc_op {
1da177e4 LT	49	unsigned char code;
	50	unsigned char yes;
	51	unsigned short no;
	52	};
	53
73c1f4a0 ACM	54	enum {
	55	INET_DIAG_BC_NOP,
	56	INET_DIAG_BC_JMP,
	57	INET_DIAG_BC_S_GE,
	58	INET_DIAG_BC_S_LE,
	59	INET_DIAG_BC_D_GE,
	60	INET_DIAG_BC_D_LE,
	61	INET_DIAG_BC_AUTO,
	62	INET_DIAG_BC_S_COND,
	63	INET_DIAG_BC_D_COND,
1da177e4 LT	64	};
1da177e4 LT	65
73c1f4a0	66	struct inet_diag_hostcond {
1da177e4 LT	67	__u8 family;
	68	__u8 prefix_len;
	69	int port;
9f855299	70	__be32 addr[0];
1da177e4 LT	71	};
	72
	73	/* Base info structure. It contains socket identity (addrs/ports/cookie)
	74	* and, alas, the information shown by netstat. */
73c1f4a0 ACM	75	struct inet_diag_msg {
	76	__u8 idiag_family;
	77	__u8 idiag_state;
	78	__u8 idiag_timer;
	79	__u8 idiag_retrans;
	80
	81	struct inet_diag_sockid id;
	82
	83	__u32 idiag_expires;
	84	__u32 idiag_rqueue;
	85	__u32 idiag_wqueue;
	86	__u32 idiag_uid;
	87	__u32 idiag_inode;
1da177e4 LT	88	};
	89
	90	/* Extensions */
	91
73c1f4a0 ACM	92	enum {
	93	INET_DIAG_NONE,
	94	INET_DIAG_MEMINFO,
	95	INET_DIAG_INFO,
	96	INET_DIAG_VEGASINFO,
	97	INET_DIAG_CONG,
1da177e4 LT	98	};
1da177e4 LT	99
73c1f4a0	100	#define INET_DIAG_MAX INET_DIAG_CONG
1da177e4 LT	101
1da177e4 LT	102
73c1f4a0	103	/* INET_DIAG_MEM */
1da177e4	104
73c1f4a0 ACM	105	struct inet_diag_meminfo {
	106	__u32 idiag_rmem;
	107	__u32 idiag_wmem;
	108	__u32 idiag_fmem;
	109	__u32 idiag_tmem;
1da177e4 LT	110	};
1da177e4 LT	111
73c1f4a0	112	/* INET_DIAG_VEGASINFO */
1da177e4 LT	113
	114	struct tcpvegas_info {
	115	__u32 tcpv_enabled;
	116	__u32 tcpv_rttcnt;
	117	__u32 tcpv_rtt;
	118	__u32 tcpv_minrtt;
	119	};
	120
4f5736c4 ACM	121	#ifdef __KERNEL__
	122	struct sock;
	123	struct inet_hashinfo;
	124
	125	struct inet_diag_handler {
	126	struct inet_hashinfo *idiag_hashinfo;
	127	void (idiag_get_info)(struct sock sk,
73c1f4a0	128	struct inet_diag_msg *r,
4f5736c4 ACM	129	void *info);
	130	__u16 idiag_info_size;
	131	__u16 idiag_type;
	132	};
	133
	134	extern int inet_diag_register(const struct inet_diag_handler *handler);
	135	extern void inet_diag_unregister(const struct inet_diag_handler *handler);
	136	#endif /* __KERNEL__ */
	137
73c1f4a0	138	#endif /* _INET_DIAG_H_ */