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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _TCP_DIAG_H_ |
| 2 | #define _TCP_DIAG_H_ 1 |
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| 3 | |||
| 4 | /* Just some random number */ |
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| 5 | #define TCPDIAG_GETSOCK 18 |
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| 6 | |||
| 7 | /* Socket identity */ |
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| 8 | struct tcpdiag_sockid |
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| 9 | { |
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| 10 | __u16 tcpdiag_sport; |
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| 11 | __u16 tcpdiag_dport; |
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| 12 | __u32 tcpdiag_src[4]; |
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| 13 | __u32 tcpdiag_dst[4]; |
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| 14 | __u32 tcpdiag_if; |
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| 15 | __u32 tcpdiag_cookie[2]; |
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| 16 | #define TCPDIAG_NOCOOKIE (~0U) |
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| 17 | }; |
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| 18 | |||
| 19 | /* Request structure */ |
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| 20 | |||
| 21 | struct tcpdiagreq |
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| 22 | { |
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| 23 | __u8 tcpdiag_family; /* Family of addresses. */ |
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| 24 | __u8 tcpdiag_src_len; |
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| 25 | __u8 tcpdiag_dst_len; |
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| 26 | __u8 tcpdiag_ext; /* Query extended information */ |
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| 27 | |||
| 28 | struct tcpdiag_sockid id; |
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| 29 | |||
| 30 | __u32 tcpdiag_states; /* States to dump */ |
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| 31 | __u32 tcpdiag_dbs; /* Tables to dump (NI) */ |
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| 32 | }; |
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| 33 | |||
| 34 | enum |
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| 35 | { |
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| 36 | TCPDIAG_REQ_NONE, |
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| 37 | TCPDIAG_REQ_BYTECODE, |
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| 38 | }; |
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| 39 | |||
| 40 | #define TCPDIAG_REQ_MAX TCPDIAG_REQ_BYTECODE |
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| 41 | |||
| 42 | /* Bytecode is sequence of 4 byte commands followed by variable arguments. |
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| 43 | * All the commands identified by "code" are conditional jumps forward: |
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| 44 | * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be |
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| 45 | * length of the command and its arguments. |
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| 46 | */ |
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| 47 | |||
| 48 | struct tcpdiag_bc_op |
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| 49 | { |
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| 50 | unsigned char code; |
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| 51 | unsigned char yes; |
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| 52 | unsigned short no; |
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| 53 | }; |
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| 54 | |||
| 55 | enum |
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| 56 | { |
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| 57 | TCPDIAG_BC_NOP, |
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| 58 | TCPDIAG_BC_JMP, |
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| 59 | TCPDIAG_BC_S_GE, |
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| 60 | TCPDIAG_BC_S_LE, |
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| 61 | TCPDIAG_BC_D_GE, |
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| 62 | TCPDIAG_BC_D_LE, |
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| 63 | TCPDIAG_BC_AUTO, |
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| 64 | TCPDIAG_BC_S_COND, |
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| 65 | TCPDIAG_BC_D_COND, |
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| 66 | }; |
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| 67 | |||
| 68 | struct tcpdiag_hostcond |
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| 69 | { |
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| 70 | __u8 family; |
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| 71 | __u8 prefix_len; |
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| 72 | int port; |
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| 73 | __u32 addr[0]; |
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| 74 | }; |
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| 75 | |||
| 76 | /* Base info structure. It contains socket identity (addrs/ports/cookie) |
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| 77 | * and, alas, the information shown by netstat. */ |
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| 78 | struct tcpdiagmsg |
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| 79 | { |
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| 80 | __u8 tcpdiag_family; |
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| 81 | __u8 tcpdiag_state; |
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| 82 | __u8 tcpdiag_timer; |
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| 83 | __u8 tcpdiag_retrans; |
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| 84 | |||
| 85 | struct tcpdiag_sockid id; |
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| 86 | |||
| 87 | __u32 tcpdiag_expires; |
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| 88 | __u32 tcpdiag_rqueue; |
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| 89 | __u32 tcpdiag_wqueue; |
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| 90 | __u32 tcpdiag_uid; |
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| 91 | __u32 tcpdiag_inode; |
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| 92 | }; |
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| 93 | |||
| 94 | /* Extensions */ |
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| 95 | |||
| 96 | enum |
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| 97 | { |
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| 98 | TCPDIAG_NONE, |
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| 99 | TCPDIAG_MEMINFO, |
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| 100 | TCPDIAG_INFO, |
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| 101 | }; |
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| 102 | |||
| 103 | #define TCPDIAG_MAX TCPDIAG_INFO |
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| 104 | |||
| 105 | |||
| 106 | /* TCPDIAG_MEM */ |
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| 107 | |||
| 108 | struct tcpdiag_meminfo |
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| 109 | { |
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| 110 | __u32 tcpdiag_rmem; |
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| 111 | __u32 tcpdiag_wmem; |
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| 112 | __u32 tcpdiag_fmem; |
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| 113 | __u32 tcpdiag_tmem; |
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| 114 | }; |
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| 115 | |||
| 116 | #endif /* _TCP_DIAG_H_ */ |