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>
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 4d11c28..b694552 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2105,15 +2105,17 @@
static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
{
ktime_t start_time, end_time;
- s32 remaining;
+ s64 remaining;
struct hrtimer_sleeper t;
hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
hrtimer_set_expires(&t.timer, spin_until);
remaining = ktime_to_us(hrtimer_expires_remaining(&t.timer));
- if (remaining <= 0)
+ if (remaining <= 0) {
+ pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);
return;
+ }
start_time = ktime_now();
if (remaining < 100)
