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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
#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 SOCK_DIAG_BY_FAMILY 20
#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_compat {
__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 {
__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,
};
#define INET_DIAG_MAX INET_DIAG_TCLASS
/* 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 inet_diag_handler {
struct inet_hashinfo *idiag_hashinfo;
void (*idiag_get_info)(struct sock *sk,
struct inet_diag_msg *r,
void *info);
__u16 idiag_type;
};
int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
int inet_diag_check_cookie(struct sock *sk, struct inet_diag_req *req);
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_ */
|
