Commit b15e6263 authored May 17, 2020 by Roman Mashak Committed by David S. Miller May 18, 2020

net sched: fix reporting the first-time use timestamp



When a new action is installed, firstuse field of 'tcf_t' is explicitly set
to 0. Value of zero means "new action, not yet used"; as a packet hits the
action, 'firstuse' is stamped with the current jiffies value.

tcf_tm_dump() should return 0 for firstuse if action has not yet been hit.

Fixes: 48d8ee16 ("net sched actions: aggregate dumping of actions timeinfo")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent e3f2d557

include/net/act_api.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -75,7 +75,8 @@ static inline void tcf_tm_dump(struct tcf_t dtm, const struct tcf_t stm)
		{
		dtm->install = jiffies_to_clock_t(jiffies - stm->install);
		dtm->lastuse = jiffies_to_clock_t(jiffies - stm->lastuse);
		dtm->firstuse = jiffies_to_clock_t(jiffies - stm->firstuse);
		dtm->firstuse = stm->firstuse ?
		jiffies_to_clock_t(jiffies - stm->firstuse) : 0;
		dtm->expires = jiffies_to_clock_t(stm->expires);
		}

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