Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8bd170750400bfa5e14c3dd2e2d0f305e1ab0e57
Commit: 8bd170750400bfa5e14c3dd2e2d0f305e1ab0e57
Parent: f24e3d658cf382f11a7aa7887fa99147bdc6fe0b
Author: Herbert Xu <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 10 15:41:41 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:55:53 2007 -0700
[IPSEC] esp: Remove NAT-T checksum invalidation for BEET
I pointed this out back when this patch was first proposed but it looks like
it got lost along the way.
The checksum only needs to be ignored for NAT-T in transport mode where
we lose the original inner addresses due to NAT. With BEET the inner
addresses will be intact so the checksum remains valid.
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv4/esp4.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 452910d..1af332d 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -261,8 +261,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff
*skb)
* as per draft-ietf-ipsec-udp-encaps-06,
* section 3.1.2
*/
- if (x->props.mode == XFRM_MODE_TRANSPORT ||
- x->props.mode == XFRM_MODE_BEET)
+ if (x->props.mode == XFRM_MODE_TRANSPORT)
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
-
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