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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3d5775e1163845698e0b911f6a591eb6@realtek.com>
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.