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1da177e4 LT |
1 | #ifndef _TCP_DIAG_H_ |
2 | #define _TCP_DIAG_H_ 1 | |
3 | ||
4 | /* Just some random number */ | |
5 | #define TCPDIAG_GETSOCK 18 | |
6 | ||
7 | /* Socket identity */ | |
8 | struct tcpdiag_sockid | |
9 | { | |
10 | __u16 tcpdiag_sport; | |
11 | __u16 tcpdiag_dport; | |
12 | __u32 tcpdiag_src[4]; | |
13 | __u32 tcpdiag_dst[4]; | |
14 | __u32 tcpdiag_if; | |
15 | __u32 tcpdiag_cookie[2]; | |
16 | #define TCPDIAG_NOCOOKIE (~0U) | |
17 | }; | |
18 | ||
19 | /* Request structure */ | |
20 | ||
21 | struct tcpdiagreq | |
22 | { | |
23 | __u8 tcpdiag_family; /* Family of addresses. */ | |
24 | __u8 tcpdiag_src_len; | |
25 | __u8 tcpdiag_dst_len; | |
26 | __u8 tcpdiag_ext; /* Query extended information */ | |
27 | ||
28 | struct tcpdiag_sockid id; | |
29 | ||
30 | __u32 tcpdiag_states; /* States to dump */ | |
31 | __u32 tcpdiag_dbs; /* Tables to dump (NI) */ | |
32 | }; | |
33 | ||
34 | enum | |
35 | { | |
36 | TCPDIAG_REQ_NONE, | |
37 | TCPDIAG_REQ_BYTECODE, | |
38 | }; | |
39 | ||
40 | #define TCPDIAG_REQ_MAX TCPDIAG_REQ_BYTECODE | |
41 | ||
42 | /* Bytecode is sequence of 4 byte commands followed by variable arguments. | |
43 | * All the commands identified by "code" are conditional jumps forward: | |
44 | * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be | |
45 | * length of the command and its arguments. | |
46 | */ | |
47 | ||
48 | struct tcpdiag_bc_op | |
49 | { | |
50 | unsigned char code; | |
51 | unsigned char yes; | |
52 | unsigned short no; | |
53 | }; | |
54 | ||
55 | enum | |
56 | { | |
57 | TCPDIAG_BC_NOP, | |
58 | TCPDIAG_BC_JMP, | |
59 | TCPDIAG_BC_S_GE, | |
60 | TCPDIAG_BC_S_LE, | |
61 | TCPDIAG_BC_D_GE, | |
62 | TCPDIAG_BC_D_LE, | |
63 | TCPDIAG_BC_AUTO, | |
64 | TCPDIAG_BC_S_COND, | |
65 | TCPDIAG_BC_D_COND, | |
66 | }; | |
67 | ||
68 | struct tcpdiag_hostcond | |
69 | { | |
70 | __u8 family; | |
71 | __u8 prefix_len; | |
72 | int port; | |
73 | __u32 addr[0]; | |
74 | }; | |
75 | ||
76 | /* Base info structure. It contains socket identity (addrs/ports/cookie) | |
77 | * and, alas, the information shown by netstat. */ | |
78 | struct tcpdiagmsg | |
79 | { | |
80 | __u8 tcpdiag_family; | |
81 | __u8 tcpdiag_state; | |
82 | __u8 tcpdiag_timer; | |
83 | __u8 tcpdiag_retrans; | |
84 | ||
85 | struct tcpdiag_sockid id; | |
86 | ||
87 | __u32 tcpdiag_expires; | |
88 | __u32 tcpdiag_rqueue; | |
89 | __u32 tcpdiag_wqueue; | |
90 | __u32 tcpdiag_uid; | |
91 | __u32 tcpdiag_inode; | |
92 | }; | |
93 | ||
94 | /* Extensions */ | |
95 | ||
96 | enum | |
97 | { | |
98 | TCPDIAG_NONE, | |
99 | TCPDIAG_MEMINFO, | |
100 | TCPDIAG_INFO, | |
101 | TCPDIAG_VEGASINFO, | |
056ede6c | 102 | TCPDIAG_CONG, |
1da177e4 LT |
103 | }; |
104 | ||
056ede6c | 105 | #define TCPDIAG_MAX TCPDIAG_CONG |
1da177e4 LT |
106 | |
107 | ||
108 | /* TCPDIAG_MEM */ | |
109 | ||
110 | struct tcpdiag_meminfo | |
111 | { | |
112 | __u32 tcpdiag_rmem; | |
113 | __u32 tcpdiag_wmem; | |
114 | __u32 tcpdiag_fmem; | |
115 | __u32 tcpdiag_tmem; | |
116 | }; | |
117 | ||
118 | /* TCPDIAG_VEGASINFO */ | |
119 | ||
120 | struct tcpvegas_info { | |
121 | __u32 tcpv_enabled; | |
122 | __u32 tcpv_rttcnt; | |
123 | __u32 tcpv_rtt; | |
124 | __u32 tcpv_minrtt; | |
125 | }; | |
126 | ||
1da177e4 | 127 | #endif /* _TCP_DIAG_H_ */ |