Add NAT action

Here's a patch to add support for the nat action which is now
in the kernel.

Thanks,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>

diff --git a/include/linux/tc_act/tc_nat.h b/include/linux/tc_act/tc_nat.h
new file mode 100644 (file)
index 0000000..e7cf31e
--- /dev/null
+++ b/include/linux/tc_act/tc_nat.h
@@ -0,0 +1,29 @@
+#ifndef __LINUX_TC_NAT_H
+#define __LINUX_TC_NAT_H
+
+#include <linux/pkt_cls.h>
+#include <linux/types.h>
+
+#define TCA_ACT_NAT 9
+
+enum
+{
+       TCA_NAT_UNSPEC,
+       TCA_NAT_PARMS,
+       TCA_NAT_TM,
+       __TCA_NAT_MAX
+};
+#define TCA_NAT_MAX (__TCA_NAT_MAX - 1)
+
+#define TCA_NAT_FLAG_EGRESS 1
+
+struct tc_nat
+{
+       tc_gen;
+       __be32 old_addr;
+       __be32 new_addr;
+       __be32 mask;
+       __u32 flags;
+};
+
+#endif