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From: Andrew Lunn <andrew@lunn.ch>
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	David Miller <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next 2/2] net: phy: improve phy_set_sym_pause and phy_set_asym_pause
Date: Mon, 29 Apr 2019 23:52:54 +0200	[thread overview]
Message-ID: <20190429215254.GG12333@lunn.ch> (raw)
In-Reply-To: <f5521d12-bc72-8ed7-eeda-888185c6cee6@gmail.com>

> @@ -2078,6 +2089,11 @@ EXPORT_SYMBOL(phy_set_sym_pause);
>  void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx)
>  {
>  	__ETHTOOL_DECLARE_LINK_MODE_MASK(oldadv);
> +	bool asym_pause_supported;
> +
> +	asym_pause_supported =
> +		linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
> +				  phydev->supported);
>  
>  	linkmode_copy(oldadv, phydev->advertising);
>  
> @@ -2086,14 +2102,14 @@ void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx)
>  	linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
>  			   phydev->advertising);
>  
> -	if (rx) {
> +	if (rx && asym_pause_supported) {
>  		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT,
>  				 phydev->advertising);
>  		linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
>  				 phydev->advertising);
>  	}
>  
> -	if (tx)
> +	if (tx && asym_pause_supported)
>  		linkmode_change_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
>  				    phydev->advertising);

Hi Heiner

If the PHY only supports Pause, not Asym Pause, i wounder if we should
fall back to Pause here?

     Andrew

  reply	other threads:[~2019-04-29 21:53 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-29 20:12 [PATCH net-next 0/2] net: phy: improve pause handling Heiner Kallweit
2019-04-29 20:13 ` [PATCH net-next 1/2] " Heiner Kallweit
2019-04-29 20:14 ` [PATCH net-next 2/2] net: phy: improve phy_set_sym_pause and phy_set_asym_pause Heiner Kallweit
2019-04-29 21:52   ` Andrew Lunn [this message]
2019-04-30  5:06     ` Heiner Kallweit
2019-05-01 19:32       ` Heiner Kallweit
2019-05-01 19:34 ` [PATCH v2 net-next] net: phy: improve pause handling Heiner Kallweit
2019-05-01 20:35   ` Andrew Lunn
2019-05-04  4:48   ` David Miller

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