[net-next-2.6.git] / include / linux / inet_diag.h

#ifndef _INET_DIAG_H_
#define _INET_DIAG_H_ 1

#include <linux/types.h>

/* 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	3
2df005b7 JSR	4	#include <linux/types.h>
2df005b7 JSR	5
1da177e4 LT	6	/* Just some random number */
1da177e4 LT	7	#define TCPDIAG_GETSOCK 18
540722ff	8	#define DCCPDIAG_GETSOCK 19
1da177e4	9
4f5736c4 ACM	10	#define INET_DIAG_GETSOCK_MAX 24
4f5736c4 ACM	11
1da177e4	12	/* Socket identity */
73c1f4a0	13	struct inet_diag_sockid {
9f855299 AV	14	__be16 idiag_sport;
	15	__be16 idiag_dport;
	16	__be32 idiag_src[4];
	17	__be32 idiag_dst[4];
73c1f4a0 ACM	18	__u32 idiag_if;
	19	__u32 idiag_cookie[2];
	20	#define INET_DIAG_NOCOOKIE (~0U)
1da177e4 LT	21	};
	22
	23	/* Request structure */
	24
73c1f4a0 ACM	25	struct inet_diag_req {
	26	__u8 idiag_family; /* Family of addresses. */
	27	__u8 idiag_src_len;
	28	__u8 idiag_dst_len;
	29	__u8 idiag_ext; /* Query extended information */
1da177e4	30
73c1f4a0	31	struct inet_diag_sockid id;
1da177e4	32
73c1f4a0 ACM	33	__u32 idiag_states; /* States to dump */
73c1f4a0 ACM	34	__u32 idiag_dbs; /* Tables to dump (NI) */
1da177e4 LT	35	};
1da177e4 LT	36
73c1f4a0 ACM	37	enum {
	38	INET_DIAG_REQ_NONE,
	39	INET_DIAG_REQ_BYTECODE,
1da177e4 LT	40	};
1da177e4 LT	41
73c1f4a0	42	#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
1da177e4 LT	43
	44	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	45	* All the commands identified by "code" are conditional jumps forward:
	46	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	47	* length of the command and its arguments.
	48	*/
	49
73c1f4a0	50	struct inet_diag_bc_op {
1da177e4 LT	51	unsigned char code;
	52	unsigned char yes;
	53	unsigned short no;
	54	};
	55
73c1f4a0 ACM	56	enum {
	57	INET_DIAG_BC_NOP,
	58	INET_DIAG_BC_JMP,
	59	INET_DIAG_BC_S_GE,
	60	INET_DIAG_BC_S_LE,
	61	INET_DIAG_BC_D_GE,
	62	INET_DIAG_BC_D_LE,
	63	INET_DIAG_BC_AUTO,
	64	INET_DIAG_BC_S_COND,
	65	INET_DIAG_BC_D_COND,
1da177e4 LT	66	};
1da177e4 LT	67
73c1f4a0	68	struct inet_diag_hostcond {
1da177e4 LT	69	__u8 family;
	70	__u8 prefix_len;
	71	int port;
9f855299	72	__be32 addr[0];
1da177e4 LT	73	};
	74
	75	/* Base info structure. It contains socket identity (addrs/ports/cookie)
	76	* and, alas, the information shown by netstat. */
73c1f4a0 ACM	77	struct inet_diag_msg {
	78	__u8 idiag_family;
	79	__u8 idiag_state;
	80	__u8 idiag_timer;
	81	__u8 idiag_retrans;
	82
	83	struct inet_diag_sockid id;
	84
	85	__u32 idiag_expires;
	86	__u32 idiag_rqueue;
	87	__u32 idiag_wqueue;
	88	__u32 idiag_uid;
	89	__u32 idiag_inode;
1da177e4 LT	90	};
	91
	92	/* Extensions */
	93
73c1f4a0 ACM	94	enum {
	95	INET_DIAG_NONE,
	96	INET_DIAG_MEMINFO,
	97	INET_DIAG_INFO,
	98	INET_DIAG_VEGASINFO,
	99	INET_DIAG_CONG,
1da177e4 LT	100	};
1da177e4 LT	101
73c1f4a0	102	#define INET_DIAG_MAX INET_DIAG_CONG
1da177e4 LT	103
1da177e4 LT	104
73c1f4a0	105	/* INET_DIAG_MEM */
1da177e4	106
73c1f4a0 ACM	107	struct inet_diag_meminfo {
	108	__u32 idiag_rmem;
	109	__u32 idiag_wmem;
	110	__u32 idiag_fmem;
	111	__u32 idiag_tmem;
1da177e4 LT	112	};
1da177e4 LT	113
73c1f4a0	114	/* INET_DIAG_VEGASINFO */
1da177e4 LT	115
	116	struct tcpvegas_info {
	117	__u32 tcpv_enabled;
	118	__u32 tcpv_rttcnt;
	119	__u32 tcpv_rtt;
	120	__u32 tcpv_minrtt;
	121	};
	122
4f5736c4 ACM	123	#ifdef __KERNEL__
	124	struct sock;
	125	struct inet_hashinfo;
	126
	127	struct inet_diag_handler {
	128	struct inet_hashinfo *idiag_hashinfo;
	129	void (idiag_get_info)(struct sock sk,
73c1f4a0	130	struct inet_diag_msg *r,
4f5736c4 ACM	131	void *info);
	132	__u16 idiag_info_size;
	133	__u16 idiag_type;
	134	};
	135
	136	extern int inet_diag_register(const struct inet_diag_handler *handler);
	137	extern void inet_diag_unregister(const struct inet_diag_handler *handler);
	138	#endif /* __KERNEL__ */
	139
73c1f4a0	140	#endif /* _INET_DIAG_H_ */