diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-12-16 15:55:02 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:53:51 -0800 |
| commit | 668dc8af3150f837f7f0461001bbbc0ce25d7bdf (patch) | |
| tree | 9ba3534a190bb69b3aebf24aaa4340685fe16539 /net/xfrm/xfrm_input.c | |
| parent | b2aa5e9d43a38dcdfa0878ed750cf32f98460278 (diff) | |
| download | linux-668dc8af3150f837f7f0461001bbbc0ce25d7bdf.tar.bz2 | |
[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/xfrm/xfrm_input.c')
| -rw-r--r-- | net/xfrm/xfrm_input.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 587f3474ed3d..b7d68eb9434c 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -147,8 +147,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) goto drop_unlock; nexthdr = x->type->input(x, skb); - if (nexthdr <= 0) + if (nexthdr <= 0) { + if (nexthdr == -EBADMSG) + x->stats.integrity_failed++; goto drop_unlock; + } skb_network_header(skb)[nhoff] = nexthdr; |