[deliverable/linux.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) */
};

struct inet_diag_req_v2 {
	__u8	sdiag_family;
	__u8	sdiag_protocol;
	__u8	idiag_ext;
	__u8	pad;
	__u32	idiag_states;
	struct inet_diag_sockid id;
};

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,
	INET_DIAG_TOS,
	INET_DIAG_TCLASS,
	INET_DIAG_SKMEMINFO,
};

#define INET_DIAG_MAX INET_DIAG_SKMEMINFO


/* 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 nlattr;
struct nlmsghdr;
struct sk_buff;
struct netlink_callback;

struct inet_diag_handler {
	void			(*dump)(struct sk_buff *skb,
					struct netlink_callback *cb,
					struct inet_diag_req_v2 *r,
					struct nlattr *bc);

	int			(*dump_one)(struct sk_buff *in_skb,
					const struct nlmsghdr *nlh,
					struct inet_diag_req_v2 *req);

	void			(*idiag_get_info)(struct sock *sk,
						  struct inet_diag_msg *r,
						  void *info);
	__u16                   idiag_type;
};

struct inet_connection_sock;
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
			      struct sk_buff *skb, struct inet_diag_req_v2 *req,
			      struct user_namespace *user_ns,
			      u32 pid, u32 seq, u16 nlmsg_flags,
			      const struct nlmsghdr *unlh);
void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
		struct netlink_callback *cb, struct inet_diag_req_v2 *r,
		struct nlattr *bc);
int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
		struct sk_buff *in_skb, const struct nlmsghdr *nlh,
		struct inet_diag_req_v2 *req);

int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);

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
3b09c84c	25	struct inet_diag_req {
73c1f4a0 ACM	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
c8991362	37	struct inet_diag_req_v2 {
126fdc32 PE	38	__u8 sdiag_family;
	39	__u8 sdiag_protocol;
	40	__u8 idiag_ext;
	41	__u8 pad;
	42	__u32 idiag_states;
	43	struct inet_diag_sockid id;
	44	};
	45
73c1f4a0 ACM	46	enum {
	47	INET_DIAG_REQ_NONE,
	48	INET_DIAG_REQ_BYTECODE,
1da177e4 LT	49	};
1da177e4 LT	50
73c1f4a0	51	#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
1da177e4 LT	52
	53	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	54	* All the commands identified by "code" are conditional jumps forward:
	55	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	56	* length of the command and its arguments.
	57	*/
	58
73c1f4a0	59	struct inet_diag_bc_op {
1da177e4 LT	60	unsigned char code;
	61	unsigned char yes;
	62	unsigned short no;
	63	};
	64
73c1f4a0 ACM	65	enum {
	66	INET_DIAG_BC_NOP,
	67	INET_DIAG_BC_JMP,
	68	INET_DIAG_BC_S_GE,
	69	INET_DIAG_BC_S_LE,
	70	INET_DIAG_BC_D_GE,
	71	INET_DIAG_BC_D_LE,
	72	INET_DIAG_BC_AUTO,
	73	INET_DIAG_BC_S_COND,
	74	INET_DIAG_BC_D_COND,
1da177e4 LT	75	};
1da177e4 LT	76
73c1f4a0	77	struct inet_diag_hostcond {
1da177e4 LT	78	__u8 family;
	79	__u8 prefix_len;
	80	int port;
9f855299	81	__be32 addr[0];
1da177e4 LT	82	};
	83
	84	/* Base info structure. It contains socket identity (addrs/ports/cookie)
	85	* and, alas, the information shown by netstat. */
73c1f4a0 ACM	86	struct inet_diag_msg {
	87	__u8 idiag_family;
	88	__u8 idiag_state;
	89	__u8 idiag_timer;
	90	__u8 idiag_retrans;
	91
	92	struct inet_diag_sockid id;
	93
	94	__u32 idiag_expires;
	95	__u32 idiag_rqueue;
	96	__u32 idiag_wqueue;
	97	__u32 idiag_uid;
	98	__u32 idiag_inode;
1da177e4 LT	99	};
	100
	101	/* Extensions */
	102
73c1f4a0 ACM	103	enum {
	104	INET_DIAG_NONE,
	105	INET_DIAG_MEMINFO,
	106	INET_DIAG_INFO,
	107	INET_DIAG_VEGASINFO,
	108	INET_DIAG_CONG,
3ceca749	109	INET_DIAG_TOS,
06236ac3	110	INET_DIAG_TCLASS,
c0636faa	111	INET_DIAG_SKMEMINFO,
1da177e4 LT	112	};
1da177e4 LT	113
c0636faa	114	#define INET_DIAG_MAX INET_DIAG_SKMEMINFO
1da177e4 LT	115
1da177e4 LT	116
73c1f4a0	117	/* INET_DIAG_MEM */
1da177e4	118
73c1f4a0 ACM	119	struct inet_diag_meminfo {
	120	__u32 idiag_rmem;
	121	__u32 idiag_wmem;
	122	__u32 idiag_fmem;
	123	__u32 idiag_tmem;
1da177e4 LT	124	};
1da177e4 LT	125
73c1f4a0	126	/* INET_DIAG_VEGASINFO */
1da177e4 LT	127
	128	struct tcpvegas_info {
	129	__u32 tcpv_enabled;
	130	__u32 tcpv_rttcnt;
	131	__u32 tcpv_rtt;
	132	__u32 tcpv_minrtt;
	133	};
	134
4f5736c4 ACM	135	#ifdef __KERNEL__
	136	struct sock;
	137	struct inet_hashinfo;
8d07d151	138	struct nlattr;
3c4d05c8 PE	139	struct nlmsghdr;
3c4d05c8 PE	140	struct sk_buff;
1942c518	141	struct netlink_callback;
4f5736c4 ACM	142
4f5736c4 ACM	143	struct inet_diag_handler {
1942c518 PE	144	void (dump)(struct sk_buff skb,
1942c518 PE	145	struct netlink_callback *cb,
c8991362	146	struct inet_diag_req_v2 *r,
1942c518 PE	147	struct nlattr *bc);
	148
	149	int (dump_one)(struct sk_buff in_skb,
	150	const struct nlmsghdr *nlh,
c8991362	151	struct inet_diag_req_v2 *req);
1942c518	152
4f5736c4	153	void (idiag_get_info)(struct sock sk,
73c1f4a0	154	struct inet_diag_msg *r,
4f5736c4	155	void *info);
4f5736c4 ACM	156	__u16 idiag_type;
	157	};
	158
3c4d05c8 PE	159	struct inet_connection_sock;
3c4d05c8 PE	160	int inet_sk_diag_fill(struct sock sk, struct inet_connection_sock icsk,
c8991362	161	struct sk_buff skb, struct inet_diag_req_v2 req,
d06ca956	162	struct user_namespace *user_ns,
3c4d05c8 PE	163	u32 pid, u32 seq, u16 nlmsg_flags,
3c4d05c8 PE	164	const struct nlmsghdr *unlh);
1942c518	165	void inet_diag_dump_icsk(struct inet_hashinfo h, struct sk_buff skb,
c8991362	166	struct netlink_callback cb, struct inet_diag_req_v2 r,
1942c518 PE	167	struct nlattr *bc);
	168	int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
	169	struct sk_buff in_skb, const struct nlmsghdr nlh,
c8991362	170	struct inet_diag_req_v2 *req);
1942c518	171
8d07d151	172	int inet_diag_bc_sk(const struct nlattr _bc, struct sock sk);
b005ab4e	173
4f5736c4 ACM	174	extern int inet_diag_register(const struct inet_diag_handler *handler);
	175	extern void inet_diag_unregister(const struct inet_diag_handler *handler);
	176	#endif /* __KERNEL__ */
	177
73c1f4a0	178	#endif /* _INET_DIAG_H_ */