* [PATCH net-next] sched: sch_cake: Align QoS treatment to Windows and Zoom
@ 2025-01-10 15:55 Toke Høiland-Jørgensen
2025-01-10 19:06 ` Toke Høiland-Jørgensen
0 siblings, 1 reply; 2+ messages in thread
From: Toke Høiland-Jørgensen @ 2025-01-10 15:55 UTC (permalink / raw)
To: Toke Høiland-Jørgensen, Jamal Hadi Salim, Cong Wang,
Jiri Pirko
Cc: Dave Taht, Toke Høiland-Jørgensen, David S. Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, Simon Horman, cake,
netdev
From: Dave Taht <dave.taht@gmail.com>
Cake's diffserv4 mode attempted to follow the IETF webrtc
QoS marking standards, RFC8837.
It turns out Windows QoS can only use CS0, CS1, CS5, and CS7.
Zoom defaults to using CS5 for video and screen sharing traffic.
Bump CS4, CS5, and NQB to the video tin (2) in diffserv4 mode, for
more bandwidth and lower priority.
This also better aligns with how WiFi presently treats CS5 and NQB.
Signed-off-by: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
---
net/sched/sch_cake.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 48dd8c88903f..2a9288d4b873 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -328,8 +328,8 @@ static const u8 diffserv4[] = {
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 2, 0, 2, 0, 2, 0,
2, 0, 2, 0, 2, 0, 2, 0,
- 3, 0, 2, 0, 2, 0, 2, 0,
- 3, 0, 0, 0, 3, 0, 3, 0,
+ 2, 0, 2, 0, 2, 0, 2, 0,
+ 2, 0, 0, 0, 2, 0, 3, 0,
3, 0, 0, 0, 0, 0, 0, 0,
3, 0, 0, 0, 0, 0, 0, 0,
};
--
2.47.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] sched: sch_cake: Align QoS treatment to Windows and Zoom
2025-01-10 15:55 [PATCH net-next] sched: sch_cake: Align QoS treatment to Windows and Zoom Toke Høiland-Jørgensen
@ 2025-01-10 19:06 ` Toke Høiland-Jørgensen
0 siblings, 0 replies; 2+ messages in thread
From: Toke Høiland-Jørgensen @ 2025-01-10 19:06 UTC (permalink / raw)
To: Jamal Hadi Salim, Cong Wang, Jiri Pirko
Cc: Dave Taht, David S. Miller, Eric Dumazet, Jakub Kicinski,
Paolo Abeni, Simon Horman, cake, netdev
Toke Høiland-Jørgensen <toke@redhat.com> writes:
> From: Dave Taht <dave.taht@gmail.com>
>
> Cake's diffserv4 mode attempted to follow the IETF webrtc
> QoS marking standards, RFC8837.
>
> It turns out Windows QoS can only use CS0, CS1, CS5, and CS7.
>
> Zoom defaults to using CS5 for video and screen sharing traffic.
>
> Bump CS4, CS5, and NQB to the video tin (2) in diffserv4 mode, for
> more bandwidth and lower priority.
>
> This also better aligns with how WiFi presently treats CS5 and NQB.
>
> Signed-off-by: Dave Taht <dave.taht@gmail.com>
> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Alright, there was some discussion on the cake list re: this. Please
drop.
pw-bot: changes-requested
^ permalink raw reply [flat|nested] 2+ messages in thread
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