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authorHerbert Xu <herbert@gondor.apana.org.au>2006-05-27 23:05:54 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-17 21:28:39 -0700
commitb59f45d0b2878ab76f8053b0973654e6621828ee (patch)
tree40dc5e2ede2620f7935fb3dae0d0eb199851f611 /include/linux
parent546be2405be119ef55467aace45f337a16e5d424 (diff)
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op-kernel-dev-b59f45d0b2878ab76f8053b0973654e6621828ee.tar.gz
[IPSEC] xfrm: Abstract out encapsulation modes
This patch adds the structure xfrm_mode. It is meant to represent the operations carried out by transport/tunnel modes. By doing this we allow additional encapsulation modes to be added without clogging up the xfrm_input/xfrm_output paths. Candidate modes include 4-to-6 tunnel mode, 6-to-4 tunnel mode, and BEET modes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/xfrm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 6b42cc4..46a15c7 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -118,6 +118,10 @@ enum
XFRM_SHARE_UNIQUE /* Use once */
};
+#define XFRM_MODE_TRANSPORT 0
+#define XFRM_MODE_TUNNEL 1
+#define XFRM_MODE_MAX 2
+
/* Netlink configuration messages. */
enum {
XFRM_MSG_BASE = 0x10,
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