1 files changed, 138 insertions, 0 deletions

diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
new file mode 100644
index 000000000000..a4606e5810e5
--- /dev/null
+++ b/include/linux/inet_diag.h
@@ -0,0 +1,138 @@
+#ifndef _INET_DIAG_H_
+#define _INET_DIAG_H_ 1
+
+/* Just some random number */
+#define TCPDIAG_GETSOCK 18
+#define DCCPDIAG_GETSOCK 19
+
+#define INET_DIAG_GETSOCK_MAX 24
+
+/* Socket identity */
+struct inet_diag_sockid {
+        __u16   idiag_sport;
+        __u16   idiag_dport;
+        __u32   idiag_src[4];
+        __u32   idiag_dst[4];
+        __u32   idiag_if;
+        __u32   idiag_cookie[2];
+#define INET_DIAG_NOCOOKIE (~0U)
+};
+
+/* Request structure */
+
+struct inet_diag_req {
+        __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) */
+};
+
+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;
+        __u32   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,
+};
+
+#define INET_DIAG_MAX INET_DIAG_CONG
+
+
+/* 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 inet_diag_handler {
+        struct inet_hashinfo    *idiag_hashinfo;
+        void                    (*idiag_get_info)(struct sock *sk,
+                                                  struct inet_diag_msg *r,
+                                                  void *info);
+        __u16                   idiag_info_size;
+        __u16                   idiag_type;
+};
+
+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_ */