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authorVlad Yasevich <vyasevich@gmail.com>2013-10-15 22:01:29 -0400
committerDavid S. Miller <davem@davemloft.net>2013-10-17 15:24:44 -0400
commite87b3998d795123b4139bc3f25490dd236f68212 (patch)
tree878dd122afebf94b9ce62b6efdf1a130825fa295 /include
parent6f93ac740ac27a77657e1276ca1fc7d277bcc61d (diff)
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net: dst: provide accessor function to dst->xfrm
dst->xfrm is conditionally defined. Provide accessor funtion that is always available. Signed-off-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/dst.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 3bc4865f8267..3c4c944096c9 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -479,10 +479,22 @@ static inline struct dst_entry *xfrm_lookup(struct net *net,
{
return dst_orig;
}
+
+static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
+{
+ return NULL;
+}
+
#else
extern struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig,
const struct flowi *fl, struct sock *sk,
int flags);
+
+/* skb attached with this dst needs transformation if dst->xfrm is valid */
+static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
+{
+ return dst->xfrm;
+}
#endif
#endif /* _NET_DST_H */