[LEDE-DEV] [PATCH] ath9k: Add airtime fairness scheduler

[Toke Høiland-Jørgensen]

Weedy <weedy2887 at gmail.com> writes:

> On Fri, Nov 25, 2016 at 5:16 AM, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>> This adds a patch that introduces airtime fairness scheduling to ath9k,
>> which can significantly improve network efficiency in mixed-rate
>> environments.
> ...
>> ++      astats = &an->airtime_stats;
>> ++
>> ++      len += scnprintf(buf + len, size - len, "RX: %u us\n", astats->rx_airtime);
>> ++      len += scnprintf(buf + len, size - len, "TX: %u us\n", astats->tx_airtime);
>> ++      len += scnprintf(buf + len, size - len, "Deficit: ");
>> ++      for (i = 0; i < 4; i++)
>> ++              len += scnprintf(buf+len, size - len, "%s: %lld us ", qname[i], an->airtime_deficit[i]);
>> ++      if (len < size)
>> ++              buf[len++] = '\n';
>> ++
>> ++      retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
>> ++      kfree(buf);
>> ++
>> ++      return retval;
>> ++}
>
> I'm supposed to have a
> /sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/stations/something/airtime
> right?

Yeah, you should. Do you have
/sys/kernel/debug/ieee80211/phy0/ath9k/airtime_flags ?

> Should I have done anything else besides:
> # curl https://patchwork.ozlabs.org/patch/699159/raw/ | git apply -v
> # make V=s package/mac80211/{clean,install}

[..]

No, don't think so. Did you reload the right kernel modules after
installing the updated kmod package? You'll need to reload at least the
'ath' and 'ath9k' modules...

-Toke