On 10 February 2015 at 15:19, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> On Tue, 2015-02-10 at 11:33 +0100, Michal Kazior wrote:
>
>> + if (msdu->sk) {
>> + ewma_add(&ar->tx_delay_us,
>> + ktime_to_ns(ktime_sub(ktime_get(), skb_cb->stamp)) /
>> + NSEC_PER_USEC);
>> +
>> + ACCESS_ONCE(msdu->sk->sk_tx_completion_delay_cushion) =
>> + (ewma_read(&ar->tx_delay_us) *
>> + msdu->sk->sk_pacing_rate) >> 20;
>> + }
>
> To some extent, every wifi driver is going to have this problem. Perhaps
> we should do this in mac80211?
Good point. I was actually thinking about it. I can try cooking a
patch unless you want to do it yourself :-)
Michał
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