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authorPatrick McHardy <kaber@trash.net>2006-11-29 02:35:36 +0100
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:31 -0800
commit39b46fc6f0d1161a5585cd8af7b3a05e8118ab7e (patch)
tree708126eec291a8f7105751c656fb50a6091ec97e /include
parentd7a5c32442ed3d528b9ddfd3d5b837bad0ffa9da (diff)
[NETFILTER]: x_tables: add port of hashlimit match for IPv4 and IPv6
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/Kbuild1
-rw-r--r--include/linux/netfilter/xt_hashlimit.h40
-rw-r--r--include/linux/netfilter_ipv4/ipt_hashlimit.h42
3 files changed, 49 insertions, 34 deletions
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index 312bd2ffee33..e379a2d89ea0 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -14,6 +14,7 @@ header-y += xt_dscp.h
header-y += xt_DSCP.h
header-y += xt_esp.h
header-y += xt_helper.h
+header-y += xt_hashlimit.h
header-y += xt_length.h
header-y += xt_limit.h
header-y += xt_mac.h
diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h
new file mode 100644
index 000000000000..b4556b8edbfd
--- /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*/
diff --git a/include/linux/netfilter_ipv4/ipt_hashlimit.h b/include/linux/netfilter_ipv4/ipt_hashlimit.h
index ac2cb64ecd76..5662120a3d7b 100644
--- a/include/linux/netfilter_ipv4/ipt_hashlimit.h
+++ b/include/linux/netfilter_ipv4/ipt_hashlimit.h
@@ -1,40 +1,14 @@
#ifndef _IPT_HASHLIMIT_H
#define _IPT_HASHLIMIT_H
-/* timings are in milliseconds. */
-#define IPT_HASHLIMIT_SCALE 10000
-/* 1/10,000 sec period => max of 10,000/sec. Min rate is then 429490
- seconds, or one every 59 hours. */
+#include <linux/netfilter/xt_hashlimit.h>
-/* details of this structure hidden by the implementation */
-struct ipt_hashlimit_htable;
+#define IPT_HASHLIMIT_SCALE XT_HASHLIMIT_SCALE
+#define IPT_HASHLIMIT_HASH_DIP XT_HASHLIMIT_HASH_DIP
+#define IPT_HASHLIMIT_HASH_DPT XT_HASHLIMIT_HASH_DPT
+#define IPT_HASHLIMIT_HASH_SIP XT_HASHLIMIT_HASH_SIP
+#define IPT_HASHLIMIT_HASH_SPT XT_HASHLIMIT_HASH_SPT
-#define IPT_HASHLIMIT_HASH_DIP 0x0001
-#define IPT_HASHLIMIT_HASH_DPT 0x0002
-#define IPT_HASHLIMIT_HASH_SIP 0x0004
-#define IPT_HASHLIMIT_HASH_SPT 0x0008
+#define ipt_hashlimit_info xt_hashlimit_info
-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 ipt_hashlimit_info {
- char name [IFNAMSIZ]; /* name */
- struct hashlimit_cfg cfg;
- struct ipt_hashlimit_htable *hinfo;
-
- /* Used internally by the kernel */
- union {
- void *ptr;
- struct ipt_hashlimit_info *master;
- } u;
-};
-#endif /*_IPT_HASHLIMIT_H*/
+#endif /* _IPT_HASHLIMIT_H */