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128 lines
2.1 KiB
C
128 lines
2.1 KiB
C
#ifndef _TCP_DIAG_H_
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#define _TCP_DIAG_H_ 1
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/* Just some random number */
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#define TCPDIAG_GETSOCK 18
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/* Socket identity */
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struct tcpdiag_sockid
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{
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__u16 tcpdiag_sport;
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__u16 tcpdiag_dport;
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__u32 tcpdiag_src[4];
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__u32 tcpdiag_dst[4];
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__u32 tcpdiag_if;
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__u32 tcpdiag_cookie[2];
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#define TCPDIAG_NOCOOKIE (~0U)
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};
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/* Request structure */
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struct tcpdiagreq
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{
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__u8 tcpdiag_family; /* Family of addresses. */
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__u8 tcpdiag_src_len;
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__u8 tcpdiag_dst_len;
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__u8 tcpdiag_ext; /* Query extended information */
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struct tcpdiag_sockid id;
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__u32 tcpdiag_states; /* States to dump */
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__u32 tcpdiag_dbs; /* Tables to dump (NI) */
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};
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enum
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{
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TCPDIAG_REQ_NONE,
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TCPDIAG_REQ_BYTECODE,
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};
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#define TCPDIAG_REQ_MAX TCPDIAG_REQ_BYTECODE
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/* Bytecode is sequence of 4 byte commands followed by variable arguments.
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* All the commands identified by "code" are conditional jumps forward:
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* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
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* length of the command and its arguments.
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*/
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struct tcpdiag_bc_op
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{
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unsigned char code;
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unsigned char yes;
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unsigned short no;
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};
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enum
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{
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TCPDIAG_BC_NOP,
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TCPDIAG_BC_JMP,
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TCPDIAG_BC_S_GE,
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TCPDIAG_BC_S_LE,
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TCPDIAG_BC_D_GE,
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TCPDIAG_BC_D_LE,
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TCPDIAG_BC_AUTO,
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TCPDIAG_BC_S_COND,
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TCPDIAG_BC_D_COND,
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};
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struct tcpdiag_hostcond
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{
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__u8 family;
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__u8 prefix_len;
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int port;
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__u32 addr[0];
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};
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/* Base info structure. It contains socket identity (addrs/ports/cookie)
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* and, alas, the information shown by netstat. */
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struct tcpdiagmsg
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{
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__u8 tcpdiag_family;
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__u8 tcpdiag_state;
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__u8 tcpdiag_timer;
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__u8 tcpdiag_retrans;
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struct tcpdiag_sockid id;
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__u32 tcpdiag_expires;
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__u32 tcpdiag_rqueue;
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__u32 tcpdiag_wqueue;
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__u32 tcpdiag_uid;
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__u32 tcpdiag_inode;
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};
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/* Extensions */
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enum
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{
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TCPDIAG_NONE,
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TCPDIAG_MEMINFO,
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TCPDIAG_INFO,
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TCPDIAG_VEGASINFO,
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};
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#define TCPDIAG_MAX TCPDIAG_VEGASINFO
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/* TCPDIAG_MEM */
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struct tcpdiag_meminfo
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{
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__u32 tcpdiag_rmem;
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__u32 tcpdiag_wmem;
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__u32 tcpdiag_fmem;
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__u32 tcpdiag_tmem;
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};
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/* TCPDIAG_VEGASINFO */
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struct tcpvegas_info {
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__u32 tcpv_enabled;
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__u32 tcpv_rttcnt;
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__u32 tcpv_rtt;
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__u32 tcpv_minrtt;
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};
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#endif /* _TCP_DIAG_H_ */
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