[Make-wifi-fast] Fwd: what is the steamdeck qdisc?

[Dave Taht]

Steamdeck has all our stuff in it. :)

---------- Forwarded message ---------
From: Alberto Garcia
Date: Wed, Oct 4, 2023 at 10:24 AM
Subject: Re: what is the steamdeck qdisc?
To: Dave Taht <dave.taht at gmail.com>


On Fri, Sep 29, 2023 at 09:14:18PM -0700, Dave Taht wrote:
> Cannot help but wonder about the underlying qdisc. Systemd usually
> installs fq_codel (one of my children) for you, but sometimes not.
> CAKE does some nice things. Similarly, the wifi (what chip?) sometimes
> has fq_codel native in it.
>
> tc -s qdisc show # for ethernet and some wifi
>
> ls /sys/kernel/debug/iee*/phy?/aqm # if that shows a file, your wifi
> is fq_codeled.

Hi, here's the output of the commands you asked:

# tc -s qdisc show
qdisc noqueue 0: dev lo root refcnt 2
 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
qdisc noqueue 0: dev wlan0 root refcnt 2
 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 10240p flows 1024
quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn
drop_batch 64
 Sent 257932 bytes 1242 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
  new_flows_len 0 old_flows_len 0


# cat /sys/kernel/debug/ieee80211/phy0/aqm
access name value
R fq_flows_cnt 4096
R fq_backlog 0
R fq_overlimit 0
R fq_overmemory 0
R fq_collisions 0
R fq_memory_usage 0
RW fq_memory_limit 16777216
RW fq_limit 8192
RW fq_quantum 300


Regards,

Berto


-- 
Oct 30: https://netdevconf.info/0x17/news/the-maestro-and-the-music-bof.html
Dave Täht CSO, LibreQos