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path: root/net/xfrm/xfrm_input.c
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Diffstat (limited to 'net/xfrm/xfrm_input.c')
-rw-r--r--net/xfrm/xfrm_input.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index cb97fda1b6d..4c803f7e74e 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -81,6 +81,19 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)
}
EXPORT_SYMBOL(xfrm_parse_spi);
+int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb)
+{
+ int err;
+
+ err = x->outer_mode->afinfo->extract_input(x, skb);
+ if (err)
+ return err;
+
+ skb->protocol = x->inner_mode->afinfo->eth_proto;
+ return x->inner_mode->input2(x, skb);
+}
+EXPORT_SYMBOL(xfrm_prepare_input);
+
void __init xfrm_input_init(void)
{
secpath_cachep = kmem_cache_create("secpath_cache",