netdev - Re: [PATCH net-next v6 1/2] net/ethernet/realtek: Add Realtek automotive PCIe driver code

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Date: Tue, 22 Aug 2023 19:51:29 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Justin Lai <justinlai0215@...ltek.com>
Cc: kuba@...nel.org, davem@...emloft.net, edumazet@...gle.com,
	pabeni@...hat.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, jiri@...nulli.us
Subject: Re: [PATCH net-next v6 1/2] net/ethernet/realtek: Add Realtek
 automotive PCIe driver code

> +static int rtase_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause)
> +{
> +	const struct rtase_private *tp = netdev_priv(dev);
> +	u16 value = RTL_R16(tp, CPLUS_CMD);
> +
> +	value &= ~(FORCE_TXFLOW_EN | FORCE_RXFLOW_EN);
> +
> +	if (pause->tx_pause)
> +		value |= FORCE_TXFLOW_EN;
> +
> +	if (pause->rx_pause)
> +		value |= FORCE_RXFLOW_EN;
> +
> +	RTL_W16(tp, CPLUS_CMD, value);
> +	return 0;
> +}

I'm pretty sure i said if pause->autoneg is true, you should return
-EOPNOTUSPP.

	Andrew