linux-kernel - Re: [PATCH net-next v3 01/10] net: stmmac: correct RX COE parsing for xgmac

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Date:   Thu, 10 Aug 2023 15:45:34 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Jisheng Zhang <jszhang@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Jose Abreu <joabreu@...opsys.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH net-next v3 01/10] net: stmmac: correct RX COE parsing for
 xgmac

On 8/9/23 18:49, Jisheng Zhang wrote:
> xgmac can support RX COE, but there's no two kinds of COE, I.E type 1
> and type 2 COE.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> ---
>   drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index e1f1c034d325..15ed3947361b 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -6271,7 +6271,7 @@ static int stmmac_dma_cap_show(struct seq_file *seq, void *v)
>   	seq_printf(seq, "\tAV features: %s\n", (priv->dma_cap.av) ? "Y" : "N");
>   	seq_printf(seq, "\tChecksum Offload in TX: %s\n",
>   		   (priv->dma_cap.tx_coe) ? "Y" : "N");
> -	if (priv->synopsys_id >= DWMAC_CORE_4_00) {
> +	if (priv->synopsys_id >= DWMAC_CORE_4_00 || priv->plat->has_xgmac) {
>   		seq_printf(seq, "\tIP Checksum Offload in RX: %s\n",
>   			   (priv->dma_cap.rx_coe) ? "Y" : "N");
>   	} else {
> @@ -7013,7 +7013,7 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
>   	if (priv->plat->rx_coe) {
>   		priv->hw->rx_csum = priv->plat->rx_coe;
>   		dev_info(priv->device, "RX Checksum Offload Engine supported\n");
> -		if (priv->synopsys_id < DWMAC_CORE_4_00)
> +		if (priv->synopsys_id < DWMAC_CORE_4_00 && !priv->plat->has_xgmac)
>   			dev_info(priv->device, "COE Type %d\n", priv->hw->rx_csum);
>   	}
>   	if (priv->plat->tx_coe)

Acked-by: Alexandre TORGUE <alexandre.torgue@...s.st.com>

Regards
Alex