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net sched actions: policer missing timestamp processing 

Policer was not dumping or updating timestamps

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamal Hadi Salim 2016-05-23 21:07:20 -04:00 committed by David S. Miller
parent a9efad8b24
commit 3d3ed18151
2 changed files with 14 additions and 1 deletions
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4
include/uapi/linux/pkt_cls.h
View File

@ -145,6 +145,8 @@ enum {
TCA_POLICE_PEAKRATE,
TCA_POLICE_AVRATE,
TCA_POLICE_RESULT,
TCA_POLICE_TM,
TCA_POLICE_PAD,
__TCA_POLICE_MAX
#define TCA_POLICE_RESULT TCA_POLICE_RESULT
};
@ -173,7 +175,7 @@ enum {
TCA_U32_DIVISOR,
TCA_U32_SEL,
TCA_U32_POLICE,
TCA_U32_ACT,
TCA_U32_ACT,
TCA_U32_INDEV,
TCA_U32_PCNT,
TCA_U32_MARK,

11
net/sched/act_police.c
View File

@ -239,6 +239,8 @@ override:
police->tcfp_t_c = ktime_get_ns();
police->tcf_index = parm->index ? parm->index :
tcf_hash_new_index(tn);
police->tcf_tm.install = jiffies;
police->tcf_tm.lastuse = jiffies;
h = tcf_hash(police->tcf_index, POL_TAB_MASK);
spin_lock_bh(&hinfo->lock);
hlist_add_head(&police->tcf_head, &hinfo->htab[h]);
@ -268,6 +270,7 @@ static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,
spin_lock(&police->tcf_lock);
bstats_update(&police->tcf_bstats, skb);
tcf_lastuse_update(&police->tcf_tm);
if (police->tcfp_ewma_rate &&
police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
@ -327,6 +330,7 @@ tcf_act_police_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
.refcnt = police->tcf_refcnt - ref,
.bindcnt = police->tcf_bindcnt - bind,
};
struct tcf_t t;
if (police->rate_present)
psched_ratecfg_getrate(&opt.rate, &police->rate);
@ -340,6 +344,13 @@ tcf_act_police_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
if (police->tcfp_ewma_rate &&
nla_put_u32(skb, TCA_POLICE_AVRATE, police->tcfp_ewma_rate))
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - police->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - police->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(police->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_POLICE_TM, sizeof(t), &t, TCA_POLICE_PAD))
goto nla_put_failure;
return skb->len;
nla_put_failure: