mlxsw: spectrum_qdisc: Offload RED ECN nodrop mode

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RED ECN nodrop mode means that non-ECT traffic should not be early-dropped,
but enqueued normally instead. In Spectrum systems, this is achieved by
disabling CWTPM.ew (enable WRED) for a given traffic class.

So far CWTPM.ew was unconditionally enabled. Instead disable it when the
RED qdisc is in nodrop mode.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Petr Machata 2020-03-13 01:10:58 +02:00 • committed by David S. Miller

parent 0a7fad2376

commit 8040c96b4f

1 changed files with 5 additions and 4 deletions

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drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c

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