netdev - Re: [PATCH iproute2-next] tc: Add support for ce_threshold_value/mask in fq

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Message-ID: <87bl1u4sl9.fsf@toke.dk>
Date:   Sun, 05 Dec 2021 23:03:46 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     David Ahern <dsahern@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-next] tc: Add support for
 ce_threshold_value/mask in fq_codel

David Ahern <dsahern@...il.com> writes:

> On 11/23/21 1:13 PM, Toke Høiland-Jørgensen wrote:
>> Commit dfcb63ce1de6 ("fq_codel: generalise ce_threshold marking for subset
>> of traffic") added support in fq_codel for setting a value and mask that
>> will be applied to the diffserv/ECN byte to turn on the ce_threshold
>> feature for a subset of traffic.
>> 
>> This adds support to tc for setting these values. The parameter is
>> called ce_threshold_selector and takes a value followed by a
>> slash-separated mask. Some examples:
>> 
>>  # apply ce_threshold to ECT(1) traffic
>>  tc qdisc replace dev eth0 root fq_codel ce_threshold 1ms ce_threshold_selector 0x1/0x3
>> 
>>  # apply ce_threshold to ECN-capable traffic marked as diffserv AF22
>>  tc qdisc replace dev eth0 root fq_codel ce_threshold 1ms ce_threshold_selector 0x50/0xfc
>> 
>> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>
>> ---
>>  tc/q_fq_codel.c | 40 ++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 40 insertions(+)
>
> please re-send with an update to

With an update to? :)

-Toke