xfrm: introduce basic mark infrastructure
Add basic structuring and accessors for xfrm mark
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 0beb413..39f151c 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -140,6 +140,7 @@
struct xfrm_id id;
struct xfrm_selector sel;
+ struct xfrm_mark mark;
u32 genid;
@@ -481,6 +482,7 @@
u32 priority;
u32 index;
+ struct xfrm_mark mark;
struct xfrm_selector selector;
struct xfrm_lifetime_cfg lft;
struct xfrm_lifetime_cur curlft;
@@ -1570,4 +1572,24 @@
}
#endif
+static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)
+{
+ if (attrs[XFRMA_MARK])
+ memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));
+ else
+ m->v = m->m = 0;
+
+ return m->v & m->m;
+}
+
+static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)
+{
+ if (m->m | m->v)
+ NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
+ return 0;
+
+nla_put_failure:
+ return -1;
+}
+
#endif /* _NET_XFRM_H */