This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / netfilter / xt_hashlimit.h

diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h
new file mode 100644 (file)
index 0000000..b4556b8
--- /dev/null
+++ b/include/linux/netfilter/xt_hashlimit.h
@@ -0,0 +1,40 @@
+#ifndef _XT_HASHLIMIT_H
+#define _XT_HASHLIMIT_H
+
+/* timings are in milliseconds. */
+#define XT_HASHLIMIT_SCALE 10000
+/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
+   seconds, or one every 59 hours. */
+
+/* details of this structure hidden by the implementation */
+struct xt_hashlimit_htable;
+
+#define XT_HASHLIMIT_HASH_DIP  0x0001
+#define XT_HASHLIMIT_HASH_DPT  0x0002
+#define XT_HASHLIMIT_HASH_SIP  0x0004
+#define XT_HASHLIMIT_HASH_SPT  0x0008
+
+struct hashlimit_cfg {
+       u_int32_t mode;   /* bitmask of IPT_HASHLIMIT_HASH_* */
+       u_int32_t avg;    /* Average secs between packets * scale */
+       u_int32_t burst;  /* Period multiplier for upper limit. */
+
+       /* user specified */
+       u_int32_t size;         /* how many buckets */
+       u_int32_t max;          /* max number of entries */
+       u_int32_t gc_interval;  /* gc interval */
+       u_int32_t expire;       /* when do entries expire? */
+};
+
+struct xt_hashlimit_info {
+       char name [IFNAMSIZ];           /* name */
+       struct hashlimit_cfg cfg;
+       struct xt_hashlimit_htable *hinfo;
+
+       /* Used internally by the kernel */
+       union {
+               void *ptr;
+               struct xt_hashlimit_info *master;
+       } u;
+};
+#endif /*_XT_HASHLIMIT_H*/