From: Eric Dumazet <eduma...@google.com>
Date: Fri, 14 Dec 2018 06:46:49 -0800
> Sergey reported that forwarding was no longer working
> if fq packet scheduler was used.
>
> This is caused by the recent switch to EDT model, since incoming
> packets might have been timestamped by __net_timestamp()
>
> __net_timestamp() uses ktime_get_real(), while fq expects packets
> using CLOCK_MONOTONIC base.
>
> The fix is to clear skb->tstamp in forwarding paths.
>
> Fixes: 80b14dee2bea ("net: Add a new socket option for a future transmit
> time.")
> Fixes: fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Reported-by: Sergey Matyukevich <geoma...@gmail.com>
> Tested-by: Sergey Matyukevich <geoma...@gmail.com>
Applied and queued up for -stable, thanks Eric.
