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authorHerbert Xu <herbert@gondor.apana.org.au>2007-12-16 18:55:02 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 17:53:51 -0500
commit668dc8af3150f837f7f0461001bbbc0ce25d7bdf (patch)
tree9ba3534a190bb69b3aebf24aaa4340685fe16539 /net/ipv6/ah6.c
parentb2aa5e9d43a38dcdfa0878ed750cf32f98460278 (diff)
[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/ah6.c')
-rw-r--r--net/ipv6/ah6.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 4eaf55072b1b..d4b59ecb0b57 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -379,10 +379,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
379 err = ah_mac_digest(ahp, skb, ah->auth_data); 379 err = ah_mac_digest(ahp, skb, ah->auth_data);
380 if (err) 380 if (err)
381 goto free_out; 381 goto free_out;
382 err = -EINVAL;
383 if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) { 382 if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
384 LIMIT_NETDEBUG(KERN_WARNING "ipsec ah authentication error\n"); 383 LIMIT_NETDEBUG(KERN_WARNING "ipsec ah authentication error\n");
385 x->stats.integrity_failed++; 384 err = -EBADMSG;
386 goto free_out; 385 goto free_out;
387 } 386 }
388 } 387 }