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path: root/net/xfrm/xfrm_output.c
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Diffstat (limited to 'net/xfrm/xfrm_output.c')
-rw-r--r--net/xfrm/xfrm_output.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index eb4a8428864..c51e8f7b865 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -199,6 +199,7 @@ int xfrm_output(struct sk_buff *skb)
return xfrm_output2(skb);
}
+EXPORT_SYMBOL_GPL(xfrm_output);
int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
{
@@ -213,6 +214,25 @@ int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
return -EAFNOSUPPORT;
return inner_mode->afinfo->extract_output(x, skb);
}
-
-EXPORT_SYMBOL_GPL(xfrm_output);
EXPORT_SYMBOL_GPL(xfrm_inner_extract_output);
+
+void xfrm_local_error(struct sk_buff *skb, int mtu)
+{
+ unsigned int proto;
+ struct xfrm_state_afinfo *afinfo;
+
+ if (skb->protocol == htons(ETH_P_IP))
+ proto = AF_INET;
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ proto = AF_INET6;
+ else
+ return;
+
+ afinfo = xfrm_state_get_afinfo(proto);
+ if (!afinfo)
+ return;
+
+ afinfo->local_error(skb, mtu);
+ xfrm_state_put_afinfo(afinfo);
+}
+EXPORT_SYMBOL_GPL(xfrm_local_error);