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Date: Tue, 17 May 2016 19:38:57 -0400
From: Jamal Hadi Salim <jhs@...atatu.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, xiyou.wangcong@...il.com,
daniel@...earbox.net, nbd@....name, baronchon@...m.org,
alexander.duyck@...il.com, herbert@...dor.apana.org.au,
eric.dumazet@...il.com, jiri@...nulli.us,
alexei.starovoitov@...il.com, Jamal Hadi Salim <jhs@...atatu.com>
Subject: [net-next RFC 1/1] net sched actions: introduce timestamp for first time used
From: Jamal Hadi Salim <jhs@...atatu.com>
Useful to know when the action was first used for accounting
(and debugging)
Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>
---
include/net/act_api.h | 2 ++
include/uapi/linux/pkt_cls.h | 1 +
net/sched/act_api.c | 1 +
net/sched/act_bpf.c | 1 +
net/sched/act_connmark.c | 1 +
net/sched/act_csum.c | 1 +
net/sched/act_gact.c | 1 +
net/sched/act_ipt.c | 1 +
net/sched/act_mirred.c | 1 +
net/sched/act_nat.c | 1 +
net/sched/act_pedit.c | 1 +
net/sched/act_simple.c | 1 +
net/sched/act_skbedit.c | 1 +
net/sched/act_vlan.c | 1 +
14 files changed, 15 insertions(+)
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 3278a9d..e15e236 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -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 {
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index de07ae6..64a3054 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -124,6 +124,7 @@ struct tcf_t {
__u64 install;
__u64 lastuse;
__u64 expires;
+ __u64 firstuse;
};
struct tc_cnt {
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index b2a61ee..719bc2e 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -283,6 +283,7 @@ err2:
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,
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index 014f9a6..f581e01 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -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,
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index e0e6c68..e3f64f2 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -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;
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 065f716..7725eafb 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -548,6 +548,7 @@ static int tcf_csum_dump(struct sk_buff *skb,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - p->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_CSUM_TM, sizeof(t), &t, TCA_CSUM_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index e96e3a5..1f3baec 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -177,6 +177,7 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
#endif
t.install = jiffies_to_clock_t(jiffies - gact->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - gact->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - gact->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(gact->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_GACT_TM, sizeof(t), &t, TCA_GACT_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 65bc135..43bf8ff 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -281,6 +281,7 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind,
goto nla_put_failure;
tm.install = jiffies_to_clock_t(jiffies - ipt->tcf_tm.install);
tm.lastuse = jiffies_to_clock_t(jiffies - ipt->tcf_tm.lastuse);
+ tm.firstuse = jiffies_to_clock_t(jiffies - ipt->tcf_tm.firstuse);
tm.expires = jiffies_to_clock_t(ipt->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_IPT_TM, sizeof(tm), &tm, TCA_IPT_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index f718090..5b1423f 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -220,6 +220,7 @@ static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - m->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - m->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - m->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(m->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_MIRRED_TM, sizeof(t), &t, TCA_MIRRED_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 9135aa8..9fbf780 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -266,6 +266,7 @@ static int tcf_nat_dump(struct sk_buff *skb, struct tc_action *a,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - p->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_NAT_TM, sizeof(t), &t, TCA_NAT_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 67a1726..fb89275 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -202,6 +202,7 @@ static int tcf_pedit_dump(struct sk_buff *skb, struct tc_action *a,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - p->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_PEDIT_TM, sizeof(t), &t, TCA_PEDIT_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index bfdfc66..9d9892c 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -160,6 +160,7 @@ static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - d->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_DEF_TM, sizeof(t), &t, TCA_DEF_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index d9d1f41..7d3216c 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -174,6 +174,7 @@ static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - d->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_SKBEDIT_TM, sizeof(t), &t, TCA_SKBEDIT_PAD))
goto nla_put_failure;
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 68da2eb..4b1c2c0 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -185,6 +185,7 @@ static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *a,
t.install = jiffies_to_clock_t(jiffies - v->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - v->tcf_tm.lastuse);
+ t.firstuse = jiffies_to_clock_t(jiffies - v->tcf_tm.firstuse);
t.expires = jiffies_to_clock_t(v->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_VLAN_TM, sizeof(t), &t, TCA_VLAN_PAD))
goto nla_put_failure;
--
1.9.1
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