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authorDavid S. Miller <davem@davemloft.net>2011-01-26 20:55:53 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-27 13:48:26 -0800
commit606598237c856b0c6584c2263288657658140da9 (patch)
treee11c1d95b531a6b815c1c24094435d06e39f0dee /include/net
parentnet: Implement read-only protection and COW'ing of metrics. (diff)
downloadlinux-dev-606598237c856b0c6584c2263288657658140da9.tar.xz
linux-dev-606598237c856b0c6584c2263288657658140da9.zip
inetpeer: Add metrics storage to inetpeer entries.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/inetpeer.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 599d96e74114..2af0c63d3975 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/spinlock.h>
+#include <linux/rtnetlink.h>
#include <net/ipv6.h>
#include <asm/atomic.h>
@@ -33,8 +34,8 @@ struct inet_peer {
atomic_t refcnt;
/*
* Once inet_peer is queued for deletion (refcnt == -1), following fields
- * are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp
- * We can share memory with rcu_head to keep inet_peer small
+ * are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp, metrics
+ * We can share memory with rcu_head to help keep inet_peer small.
*/
union {
struct {
@@ -42,6 +43,7 @@ struct inet_peer {
atomic_t ip_id_count; /* IP ID for the next packet */
__u32 tcp_ts;
__u32 tcp_ts_stamp;
+ u32 metrics[RTAX_MAX];
};
struct rcu_head rcu;
};