netdev - Re: [PATCH iproute2-next v2] tc: add skip_hw and skip

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Date:   Wed, 26 Jan 2022 10:41:06 -0300
From:   Victor Nogueira <victor@...atatu.com>
To:     Baowen Zheng <baowen.zheng@...igine.com>
Cc:     David Ahern <dsahern@...il.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com, Jamal Hadi Salim <jhs@...atatu.com>,
        Simon Horman <simon.horman@...igine.com>
Subject: Re: [PATCH iproute2-next v2] tc: add skip_hw and skip_sw to control
 action offload

On Wed, Jan 26, 2022 at 3:55 AM Baowen Zheng <baowen.zheng@...igine.com> wrote:
>
> Add skip_hw and skip_sw flags for user to control whether
> offload action to hardware.
>
> Also we add hw_count to show how many hardwares accept to offload
> the action.
>
> Change man page to describe the usage of skip_sw and skip_hw flag.
>
> An example to add and query action as below.
>
> $ tc actions add action police rate 1mbit burst 100k index 100 skip_sw
>
> $ tc -s -d actions list action police
> total acts 1
>     action order 0:  police 0x64 rate 1Mbit burst 100Kb mtu 2Kb action reclassify overhead 0b linklayer ethernet
>     ref 1 bind 0  installed 2 sec used 2 sec
>     Action statistics:
>     Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>     backlog 0b 0p requeues 0
>     skip_sw in_hw in_hw_count 1
>     used_hw_stats delayed
>
> Signed-off-by: baowen zheng <baowen.zheng@...igine.com>
> Signed-off-by: Simon Horman <simon.horman@...igine.com>

I applied this version, tested it and can confirm the breakage in tdc is gone.
Tested-by: Victor Nogueira <victor@...atatu.com>