pktgen: Fix delay handling
After last pktgen changes, delay handling is wrong. pktgen actually sends packets at full line speed. Fix is to update pkt_dev->next_tx even if spin() returns early, so that next spin() calls have a chance to see a positive delay. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2105,15 +2105,17 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
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static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
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{
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ktime_t start_time, end_time;
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s32 remaining;
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s64 remaining;
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struct hrtimer_sleeper t;
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hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
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hrtimer_set_expires(&t.timer, spin_until);
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remaining = ktime_to_us(hrtimer_expires_remaining(&t.timer));
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if (remaining <= 0)
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if (remaining <= 0) {
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pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);
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return;
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}
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start_time = ktime_now();
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if (remaining < 100)
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