RE: [PATCH net-next v10 10/13] net:ethernet:realtek:rtase: Implement ethtool function

From: Justin Lai
Date: Wed Nov 15 2023 - 01:26:02 EST


> > +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.