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-rw-r--r--include/net/xfrm.h12
-rw-r--r--net/ipv4/xfrm4_output.c2
-rw-r--r--net/ipv6/xfrm6_output.c8
3 files changed, 6 insertions, 16 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index ac5b02515355..e823786e7c66 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -20,7 +20,6 @@
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_fib.h>
-#include <net/ip6_route.h>
#include <net/flow.h>
#include <linux/interrupt.h>
@@ -1724,15 +1723,4 @@ static inline int xfrm_mark_put(struct sk_buff *skb, const struct xfrm_mark *m)
return ret;
}
-static inline int xfrm_skb_dst_mtu(struct sk_buff *skb)
-{
- struct sock *sk = skb->sk;
-
- if (sk && skb->protocol == htons(ETH_P_IPV6))
- return ip6_skb_dst_mtu(skb);
- else if (sk && skb->protocol == htons(ETH_P_IP))
- return ip_skb_dst_mtu(skb);
- return dst_mtu(skb_dst(skb));
-}
-
#endif /* _NET_XFRM_H */
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 80baf4a3b1b5..baa0f63731fd 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -28,7 +28,7 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->local_df)
goto out;
- mtu = xfrm_skb_dst_mtu(skb);
+ mtu = dst_mtu(skb_dst(skb));
if (skb->len > mtu) {
if (skb->sk)
xfrm_local_error(skb, mtu);
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index e092e306882d..6cd625e37706 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -140,10 +140,12 @@ static int __xfrm6_output(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct xfrm_state *x = dst->xfrm;
- int mtu = xfrm_skb_dst_mtu(skb);
+ int mtu;
- if (mtu < IPV6_MIN_MTU)
- mtu = IPV6_MIN_MTU;
+ if (skb->protocol == htons(ETH_P_IPV6))
+ mtu = ip6_skb_dst_mtu(skb);
+ else
+ mtu = dst_mtu(skb_dst(skb));
if (skb->len > mtu && xfrm6_local_dontfrag(skb)) {
xfrm6_local_rxpmtu(skb, mtu);