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Date:   Wed, 15 Nov 2023 06:25:34 +0000
From:   Justin Lai <justinlai0215@...ltek.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Larry Chiu <larry.chiu@...ltek.com>
Subject: RE: [PATCH net-next v10 10/13] net:ethernet:realtek:rtase: Implement ethtool function

> > +static int rtase_get_settings(struct net_device *dev,
> > +                           struct ethtool_link_ksettings *cmd) {
> > +     u32 supported = SUPPORTED_MII | SUPPORTED_Pause;
> > +
> > +
> ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
> > +                                             supported);
> > +     cmd->base.speed = SPEED_5000;
> > +     cmd->base.duplex = DUPLEX_FULL;
> > +     cmd->base.port = PORT_MII;
> > +     cmd->base.autoneg = AUTONEG_DISABLE;
> > +
> > +     return 0;
> > +}
> > +
> 
> > +static int rtase_set_pauseparam(struct net_device *dev,
> > +                             struct ethtool_pauseparam *pause) {
> > +     const struct rtase_private *tp = netdev_priv(dev);
> > +     u16 value = rtase_r16(tp, RTASE_CPLUS_CMD);
> > +
> > +     if (pause->autoneg)
> > +             return -EOPNOTSUPP;
> > +
> > +     value &= ~(FORCE_TXFLOW_EN | FORCE_RXFLOW_EN);
> > +
> > +     if (pause->tx_pause)
> > +             value |= FORCE_TXFLOW_EN;
> > +
> > +     if (pause->rx_pause)
> > +             value |= FORCE_RXFLOW_EN;
> 
> It appears the hardware supports asymmetric pause? So i think your
> rtase_get_settings() is wrong.
> 
>         Andrew

Thank you for your review, I will confirm this part again and make corresponding corrections.

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