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authorOlof Johansson <olof@lixom.net>2012-09-20 19:57:38 -0700
committerOlof Johansson <olof@lixom.net>2012-09-20 19:57:38 -0700
commit32dec75349da4e68b53f099ce3a96469cdc334d6 (patch)
tree96aca7914b07697668ec716a3f80fb8c82e7a971 /net/xfrm/xfrm_replay.c
parent740418ef19fd7def7b9c333435d4ca1dce28cc42 (diff)
parent9891e3240543c45176b1298164418b61e8909ed0 (diff)
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Merge tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup
ARM: tegra: switch to dmaengine The Tegra code-base has contained both a legacy DMA and a dmaengine driver since v3.6-rcX. This series flips Tegra's defconfig to enable dmaengine rather than the legacy driver, and removes the legacy driver and all client code. * tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: ASoC: tegra: remove support of legacy DMA driver based access spi: tegra: remove support of legacy DMA driver based access ARM: tegra: apbio: remove support of legacy DMA driver based access ARM: tegra: dma: remove legacy APB DMA driver ARM: tegra: config: enable dmaengine based APB DMA driver + sync to 3.6-rc6
Diffstat (limited to 'net/xfrm/xfrm_replay.c')
-rw-r--r--net/xfrm/xfrm_replay.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 2f6d11d04a2b..3efb07d3eb27 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -420,6 +420,18 @@ err:
return -EINVAL;
}
+static int xfrm_replay_recheck_esn(struct xfrm_state *x,
+ struct sk_buff *skb, __be32 net_seq)
+{
+ if (unlikely(XFRM_SKB_CB(skb)->seq.input.hi !=
+ htonl(xfrm_replay_seqhi(x, net_seq)))) {
+ x->stats.replay_window++;
+ return -EINVAL;
+ }
+
+ return xfrm_replay_check_esn(x, skb, net_seq);
+}
+
static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
{
unsigned int bitnr, nr, i;
@@ -479,6 +491,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
static struct xfrm_replay xfrm_replay_legacy = {
.advance = xfrm_replay_advance,
.check = xfrm_replay_check,
+ .recheck = xfrm_replay_check,
.notify = xfrm_replay_notify,
.overflow = xfrm_replay_overflow,
};
@@ -486,6 +499,7 @@ static struct xfrm_replay xfrm_replay_legacy = {
static struct xfrm_replay xfrm_replay_bmp = {
.advance = xfrm_replay_advance_bmp,
.check = xfrm_replay_check_bmp,
+ .recheck = xfrm_replay_check_bmp,
.notify = xfrm_replay_notify_bmp,
.overflow = xfrm_replay_overflow_bmp,
};
@@ -493,6 +507,7 @@ static struct xfrm_replay xfrm_replay_bmp = {
static struct xfrm_replay xfrm_replay_esn = {
.advance = xfrm_replay_advance_esn,
.check = xfrm_replay_check_esn,
+ .recheck = xfrm_replay_recheck_esn,
.notify = xfrm_replay_notify_bmp,
.overflow = xfrm_replay_overflow_esn,
};