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authorPatrick McHardy <kaber@trash.net>2007-12-04 23:40:05 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:56:02 -0800
commit5859034d7eb8793d3d78d3af515c4175e7b9d03a (patch)
treefbd0efe0424d9ef9dbe2a57b905bcd413c4cb0bc /include
parentcb76c6a597350534d211ba79d92da1f9771f8226 (diff)
downloadop-kernel-dev-5859034d7eb8793d3d78d3af515c4175e7b9d03a.zip
op-kernel-dev-5859034d7eb8793d3d78d3af515c4175e7b9d03a.tar.gz
[NETFILTER]: x_tables: add RATEEST target
Add new rate estimator target (using gen_estimator). In combination with the rateest match (next patch) this can be used for load-based multipath routing. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/Kbuild1
-rw-r--r--include/linux/netfilter/xt_RATEEST.h11
-rw-r--r--include/net/netfilter/xt_rateest.h17
3 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index 1e69002..707a158 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -10,6 +10,7 @@ header-y += xt_DSCP.h
header-y += xt_MARK.h
header-y += xt_NFLOG.h
header-y += xt_NFQUEUE.h
+header-y += xt_RATEEST.h
header-y += xt_SECMARK.h
header-y += xt_TCPMSS.h
header-y += xt_comment.h
diff --git a/include/linux/netfilter/xt_RATEEST.h b/include/linux/netfilter/xt_RATEEST.h
new file mode 100644
index 0000000..670f2e49
--- /dev/null
+++ b/include/linux/netfilter/xt_RATEEST.h
@@ -0,0 +1,11 @@
+#ifndef _XT_RATEEST_TARGET_H
+#define _XT_RATEEST_TARGET_H
+
+struct xt_rateest_target_info {
+ char name[IFNAMSIZ];
+ int8_t interval;
+ u_int8_t ewma_log;
+ struct xt_rateest *est __attribute__((aligned(8)));
+};
+
+#endif /* _XT_RATEEST_TARGET_H */
diff --git a/include/net/netfilter/xt_rateest.h b/include/net/netfilter/xt_rateest.h
new file mode 100644
index 0000000..65d594d
--- /dev/null
+++ b/include/net/netfilter/xt_rateest.h
@@ -0,0 +1,17 @@
+#ifndef _XT_RATEEST_H
+#define _XT_RATEEST_H
+
+struct xt_rateest {
+ struct hlist_node list;
+ char name[IFNAMSIZ];
+ unsigned int refcnt;
+ spinlock_t lock;
+ struct gnet_estimator params;
+ struct gnet_stats_rate_est rstats;
+ struct gnet_stats_basic bstats;
+};
+
+extern struct xt_rateest *xt_rateest_lookup(const char *name);
+extern void xt_rateest_put(struct xt_rateest *est);
+
+#endif /* _XT_RATEEST_H */
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