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authorfan.du <fan.du@windriver.com>2013-12-18 11:27:22 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2013-12-24 12:46:20 +0100
commit0bb8765cc28cf1ddde70f3f5bfed96a067b1ead3 (patch)
tree5526af0109f6c4552ce46b20cc5587d66b54cd96 /include/linux
parent99b85b7837707bd6c6d578c9328e1321fceb8082 (diff)
iptables: Add IPv4/6 IPcomp match support
This patch enables user to set iptables ACTIONs for IPcomp flow specified by its SPI value. For example: iptables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP ip6tables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP IPcomp packet with spi as 0x12 will be dropped. Signed-off-by: Fan Du <fan.du@windriver.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netfilter/xt_ipcomp.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/netfilter/xt_ipcomp.h b/include/linux/netfilter/xt_ipcomp.h
new file mode 100644
index 00000000..45c7e40e
--- /dev/null
+++ b/include/linux/netfilter/xt_ipcomp.h
@@ -0,0 +1,16 @@
+#ifndef _XT_IPCOMP_H
+#define _XT_IPCOMP_H
+
+#include <linux/types.h>
+
+struct xt_ipcomp {
+ __u32 spis[2]; /* Security Parameter Index */
+ __u8 invflags; /* Inverse flags */
+ __u8 hdrres; /* Test of the Reserved Filed */
+};
+
+/* Values for "invflags" field in struct xt_ipcomp. */
+#define XT_IPCOMP_INV_SPI 0x01 /* Invert the sense of spi. */
+#define XT_IPCOMP_INV_MASK 0x01 /* All possible flags. */
+
+#endif /*_XT_IPCOMP_H*/