1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
#ifndef _TCP_DIAG_H_
#define _TCP_DIAG_H_ 1
/* Just some random number */
#define TCPDIAG_GETSOCK 18
#define DCCPDIAG_GETSOCK 19
/* 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;
};
#endif /* _TCP_DIAG_H_ */
|
