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authorHerbert Xu <herbert@gondor.apana.org.au>2007-12-16 15:55:02 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:53:51 -0800
commit668dc8af3150f837f7f0461001bbbc0ce25d7bdf (patch)
tree9ba3534a190bb69b3aebf24aaa4340685fe16539 /net/ipv6/esp6.c
parentb2aa5e9d43a38dcdfa0878ed750cf32f98460278 (diff)
downloadlinux-668dc8af3150f837f7f0461001bbbc0ce25d7bdf.tar.gz
[IPSEC]: Move integrity stat collection into xfrm_input
Similar to the moving out of the replay processing on the output, this
patch moves the integrity stat collectin from x->type->input into
xfrm_input.

This would eventually allow transforms such as AH/ESP to be lockless.

The error value EBADMSG (currently unused in the crypto layer) is used
to indicate a failed integrity check.  In future this error can be
directly returned by the crypto layer once we switch to aead
algorithms.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/esp6.c')
-rw-r--r--net/ipv6/esp6.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 444053254676..096974ba6420 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -177,8 +177,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
 			BUG();
 
 		if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
-			x->stats.integrity_failed++;
-			ret = -EINVAL;
+			ret = -EBADMSG;
 			goto out;
 		}
 	}