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authorDavid S. Miller <davem@davemloft.net>2011-07-17 23:09:49 -0700
committerDavid S. Miller <davem@davemloft.net>2011-07-17 23:11:35 -0700
commit69cce1d1404968f78b177a0314f5822d5afdbbfb (patch)
tree26223264fd69ea8078d0013fd5a76eb7aeb04c12 /include/net/dst.h
parent9cbb7ecbcff85077bb12301aaf4c9b5a56c5993d (diff)
net: Abstract dst->neighbour accesses behind helpers.
dst_{get,set}_neighbour() Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 0dd7ccbc0dd5..8147206eefb9 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -37,7 +37,7 @@ struct dst_entry {
unsigned long _metrics;
unsigned long expires;
struct dst_entry *path;
- struct neighbour *neighbour;
+ struct neighbour *_neighbour;
#ifdef CONFIG_XFRM
struct xfrm_state *xfrm;
#else
@@ -86,6 +86,16 @@ struct dst_entry {
};
};
+static inline struct neighbour *dst_get_neighbour(struct dst_entry *dst)
+{
+ return dst->_neighbour;
+}
+
+static inline void dst_set_neighbour(struct dst_entry *dst, struct neighbour *neigh)
+{
+ dst->_neighbour = neigh;
+}
+
extern u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
extern const u32 dst_default_metrics[RTAX_MAX];
@@ -371,8 +381,10 @@ static inline void dst_rcu_free(struct rcu_head *head)
static inline void dst_confirm(struct dst_entry *dst)
{
- if (dst)
- neigh_confirm(dst->neighbour);
+ if (dst) {
+ struct neighbour *n = dst_get_neighbour(dst);
+ neigh_confirm(n);
+ }
}
static inline void dst_link_failure(struct sk_buff *skb)