netdev - Re: [PATCH net-next 0/6] mlxsw: Offload TC action pedit munge dsfield

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Message-Id: <20200326.115555.620787715117935635.davem@davemloft.net>
Date:   Thu, 26 Mar 2020 11:55:55 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     idosch@...sch.org
Cc:     netdev@...r.kernel.org, kuba@...nel.org, jiri@...lanox.com,
        petrm@...lanox.com, mlxsw@...lanox.com, idosch@...lanox.com
Subject: Re: [PATCH net-next 0/6] mlxsw: Offload TC action pedit munge
 dsfield

From: Ido Schimmel <idosch@...sch.org>
Date: Thu, 26 Mar 2020 16:01:08 +0200

> From: Ido Schimmel <idosch@...lanox.com>
> 
> Petr says:
> 
> The Spectrum switches allow packet prioritization based on DSCP on ingress,
> and update of DSCP on egress. This is configured through the DCB APP rules.
> For some use cases, assigning a custom DSCP value based on an ACL match is
> a better tool. To that end, offload FLOW_ACTION_MANGLE to permit changing
> of dsfield as a whole, or DSCP and ECN values in isolation.
> 
> After fixing a commentary nit in patch #1, and mlxsw naming in patch #2,
> patches #3 and #4 add the offload to mlxsw.
> 
> Patch #5 adds a forwarding selftest for pedit dsfield, applicable to SW as
> well as HW datapaths. Patch #6 adds a mlxsw-specific test to verify DSCP
> rewrite due to DCB APP rules is not performed on pedited packets.
> 
> The tests only cover IPv4 dsfield setting. We have tests for IPv6 as well,
> but would like to postpone their contribution until the corresponding
> iproute patches have been accepted.

Series applied, thanks.