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xfrm: Add Traffic Flow Confidentiality padding XFRM attribute

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The XFRMA_TFCPAD attribute for XFRM state installation configures
Traffic Flow Confidentiality by padding ESP packets to a specified
length.

Signed-off-by: Martin Willi <martin@strongswan.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Martin Willi
2010-12-08 04:37:49 +00:00
committed by David S. Miller
parent 957fca95e3
commit 35d2856b46
3 changed files with 19 additions and 2 deletions
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include/net/xfrm.h
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@@ -143,6 +143,7 @@ struct xfrm_state {
struct xfrm_id id;
struct xfrm_selector sel;
struct xfrm_mark mark;
u32 tfcpad;
u32 genid;