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Date:   Sun, 17 Sep 2023 11:03:56 +0100
From:   Conor Dooley <conor@kernel.org>
To:     Rohan G Thomas <rohan.g.thomas@intel.com>
Cc:     "David S . Miller" <davem@davemloft.net>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        fancer.lancer@gmail.com, netdev@vger.kernel.org,
        devicetree@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v7 1/2] dt-bindings: net: snps,dwmac: Tx coe
 unsupported
Message-ID: <20230917-figurine-overlying-f5a0935af5ea@spud>
References: <20230916063312.7011-1-rohan.g.thomas@intel.com>
 <20230916063312.7011-2-rohan.g.thomas@intel.com>
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On Sat, Sep 16, 2023 at 02:33:11PM +0800, Rohan G Thomas wrote:
> Add dt-bindings for coe-unsupported property per tx queue. Some DWMAC
> IPs support tx checksum offloading(coe) only for a few tx queues.
>=20
> DW xGMAC IP can be synthesized such that it can support tx coe only
> for a few initial tx queues. Also as Serge pointed out, for the DW
> QoS IP tx coe can be individually configured for each tx queue. This
> property is added to have sw fallback for checksum calculation if a
> tx queue doesn't support tx coe.
>=20
> Signed-off-by: Rohan G Thomas <rohan.g.thomas@intel.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> ---
>  Documentation/devicetree/bindings/net/snps,dwmac.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
>=20
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docu=
mentation/devicetree/bindings/net/snps,dwmac.yaml
> index ddf9522a5dc2..5c2769dc689a 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -394,6 +394,11 @@ properties:
>                When a PFC frame is received with priorities matching the =
bitmask,
>                the queue is blocked from transmitting for the pause time =
specified
>                in the PFC frame.
> +
> +          snps,coe-unsupported:
> +            type: boolean
> +            description: TX checksum offload is unsupported by the TX qu=
eue.
> +
>          allOf:
>            - if:
>                required:
> --=20
> 2.25.1
>=20

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