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inetpeer: Add metrics storage to inetpeer entries. 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-01-26 20:55:53 -08:00
parent 62fa8a846d
commit 606598237c
1 changed files with 4 additions and 2 deletions
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6
include/net/inetpeer.h
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@ -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;
};