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-rw-r--r--include/linux/tcp_diag.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/include/linux/tcp_diag.h b/include/linux/tcp_diag.h
new file mode 100644
index 000000000000..ceee962e1d15
--- /dev/null
+++ b/include/linux/tcp_diag.h
@@ -0,0 +1,127 @@
+#ifndef _TCP_DIAG_H_
+#define _TCP_DIAG_H_ 1
+
+/* Just some random number */
+#define TCPDIAG_GETSOCK 18
+
+/* 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,
+};
+
+#define TCPDIAG_MAX TCPDIAG_VEGASINFO
+
+
+/* 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_ */