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Commit 53eb440f authored by Jamal Hadi Salim's avatar Jamal Hadi Salim Committed by David S. Miller
Browse files

net sched actions: introduce timestamp for firsttime use 



Useful to know when the action was first used for accounting
(and debugging)

Signed-off-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9c4a4e48

include/net/act_api.h

+2 −0
Original line number Diff line number Diff line
@@ -76,6 +76,8 @@ static inline void tcf_lastuse_update(struct tcf_t *tm) 


	if (tm->lastuse != now)

		tm->lastuse = now;

	if (unlikely(!tm->firstuse))

		tm->firstuse = now;

}



struct tc_action {

include/uapi/linux/pkt_cls.h

+1 −0
Original line number Diff line number Diff line
@@ -124,6 +124,7 @@ struct tcf_t { 
	__u64   install;

	__u64   lastuse;

	__u64   expires;

	__u64   firstuse;

};



struct tc_cnt {

net/sched/act_api.c

+1 −0
Original line number Diff line number Diff line
@@ -283,6 +283,7 @@ int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est, 
	p->tcfc_index = index ? index : tcf_hash_new_index(tn);

	p->tcfc_tm.install = jiffies;

	p->tcfc_tm.lastuse = jiffies;

	p->tcfc_tm.firstuse = 0;

	if (est) {

		err = gen_new_estimator(&p->tcfc_bstats, p->cpu_bstats,

					&p->tcfc_rate_est,

net/sched/act_bpf.c

+1 −0
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ static int tcf_bpf_dump(struct sk_buff *skb, struct tc_action *act, 


	tm.install = jiffies_to_clock_t(jiffies - prog->tcf_tm.install);

	tm.lastuse = jiffies_to_clock_t(jiffies - prog->tcf_tm.lastuse);

	tm.firstuse = jiffies_to_clock_t(jiffies - prog->tcf_tm.firstuse);

	tm.expires = jiffies_to_clock_t(prog->tcf_tm.expires);



	if (nla_put_64bit(skb, TCA_ACT_BPF_TM, sizeof(tm), &tm,

net/sched/act_connmark.c

+1 −0
Original line number Diff line number Diff line
@@ -163,6 +163,7 @@ static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a, 
	t.install = jiffies_to_clock_t(jiffies - ci->tcf_tm.install);

	t.lastuse = jiffies_to_clock_t(jiffies - ci->tcf_tm.lastuse);

	t.expires = jiffies_to_clock_t(ci->tcf_tm.expires);

	t.firstuse = jiffies_to_clock_t(jiffies - ci->tcf_tm.firstuse);

	if (nla_put_64bit(skb, TCA_CONNMARK_TM, sizeof(t), &t,

			  TCA_CONNMARK_PAD))

		goto nla_put_failure;