1#ifndef _INET_DIAG_H_
2#define _INET_DIAG_H_ 1
3
4#include <linux/types.h>
5
6/* Just some random number */
7#define TCPDIAG_GETSOCK 18
8#define DCCPDIAG_GETSOCK 19
9
10#define INET_DIAG_GETSOCK_MAX 24
11
12/* Socket identity */
13struct inet_diag_sockid {
14	__be16	idiag_sport;
15	__be16	idiag_dport;
16	__be32	idiag_src[4];
17	__be32	idiag_dst[4];
18	__u32	idiag_if;
19	__u32	idiag_cookie[2];
20#define INET_DIAG_NOCOOKIE (~0U)
21};
22
23/* Request structure */
24
25struct 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 */
30
31	struct inet_diag_sockid id;
32
33	__u32	idiag_states;		/* States to dump */
34	__u32	idiag_dbs;		/* Tables to dump (NI) */
35};
36
37struct inet_diag_req_v2 {
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
46enum {
47	INET_DIAG_REQ_NONE,
48	INET_DIAG_REQ_BYTECODE,
49};
50
51#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
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
59struct inet_diag_bc_op {
60	unsigned char	code;
61	unsigned char	yes;
62	unsigned short	no;
63};
64
65enum {
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,
75};
76
77struct inet_diag_hostcond {
78	__u8	family;
79	__u8	prefix_len;
80	int	port;
81	__be32	addr[0];
82};
83
84/* Base info structure. It contains socket identity (addrs/ports/cookie)
85 * and, alas, the information shown by netstat. */
86struct 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;
99};
100
101/* Extensions */
102
103enum {
104	INET_DIAG_NONE,
105	INET_DIAG_MEMINFO,
106	INET_DIAG_INFO,
107	INET_DIAG_VEGASINFO,
108	INET_DIAG_CONG,
109	INET_DIAG_TOS,
110	INET_DIAG_TCLASS,
111	INET_DIAG_SKMEMINFO,
112};
113
114#define INET_DIAG_MAX INET_DIAG_SKMEMINFO
115
116
117/* INET_DIAG_MEM */
118
119struct inet_diag_meminfo {
120	__u32	idiag_rmem;
121	__u32	idiag_wmem;
122	__u32	idiag_fmem;
123	__u32	idiag_tmem;
124};
125
126/* INET_DIAG_VEGASINFO */
127
128struct tcpvegas_info {
129	__u32	tcpv_enabled;
130	__u32	tcpv_rttcnt;
131	__u32	tcpv_rtt;
132	__u32	tcpv_minrtt;
133};
134
135
136#endif /* _INET_DIAG_H_ */
137