X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=net%2Fcore%2Frtnetlink.c;h=e76539a5eb5e09e79939fef2e4d96bd9449c1a7b;hb=e3703b3de1f049b38733ba520e5038f23063068e;hp=0cb4d9e53a0771d6424f3144dc837939acbcca87;hpb=4e9b82693542003b028c8494e9e3c49615b91ce7;p=net-next-2.6.git

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 0cb4d9e53a0..e76539a5eb5 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -212,6 +212,26 @@ nla_put_failure:
 	return nla_nest_cancel(skb, mx);
 }
 
+int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
+		       u32 ts, u32 tsage, long expires, u32 error)
+{
+	struct rta_cacheinfo ci = {
+		.rta_lastuse = jiffies_to_clock_t(jiffies - dst->lastuse),
+		.rta_used = dst->__use,
+		.rta_clntref = atomic_read(&(dst->__refcnt)),
+		.rta_error = error,
+		.rta_id =  id,
+		.rta_ts = ts,
+		.rta_tsage = tsage,
+	};
+
+	if (expires)
+		ci.rta_expires = jiffies_to_clock_t(expires);
+
+	return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci);
+}
+
+EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo);
 
 static void set_operstate(struct net_device *dev, unsigned char transition)
 {