forked from luck/tmp_suning_uos_patched
inetpeer: Add metrics storage to inetpeer entries.
Signed-off-by: David S. Miller <davem@davemloft.net>
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62fa8a846d
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606598237c
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@ -11,6 +11,7 @@
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#include <linux/init.h>
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#include <linux/jiffies.h>
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#include <linux/spinlock.h>
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#include <linux/rtnetlink.h>
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#include <net/ipv6.h>
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#include <asm/atomic.h>
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@ -33,8 +34,8 @@ struct inet_peer {
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atomic_t refcnt;
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/*
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* Once inet_peer is queued for deletion (refcnt == -1), following fields
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* are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp
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* We can share memory with rcu_head to keep inet_peer small
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* are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp, metrics
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* We can share memory with rcu_head to help keep inet_peer small.
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*/
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union {
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struct {
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@ -42,6 +43,7 @@ struct inet_peer {
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atomic_t ip_id_count; /* IP ID for the next packet */
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__u32 tcp_ts;
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__u32 tcp_ts_stamp;
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u32 metrics[RTAX_MAX];
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};
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struct rcu_head rcu;
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};
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