diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-10-10 15:41:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:55:53 -0700 |
| commit | 8bd170750400bfa5e14c3dd2e2d0f305e1ab0e57 (patch) | |
| tree | f8634014eb4a66bafdada8865df94713277b72c8 /net/ipv4/esp4.c | |
| parent | f24e3d658cf382f11a7aa7887fa99147bdc6fe0b (diff) | |
| download | lwn-8bd170750400bfa5e14c3dd2e2d0f305e1ab0e57.tar.gz lwn-8bd170750400bfa5e14c3dd2e2d0f305e1ab0e57.zip | |
[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 <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/esp4.c')
| -rw-r--r-- | 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 452910dae89f..1af332df72d9 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; } |