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From: Andrew Lunn <andrew@lunn.ch>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: "Russell King (Oracle)" <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	linux-kernel@vger.kernel.org,
	Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [RFC PATCH] net: phy/mdio: enable mmd indirect access through phy_mii_ioctl()
Date: Wed, 3 Nov 2021 01:27:31 +0100	[thread overview]
Message-ID: <YYHXcyCOPiUkk8Tz@lunn.ch> (raw)
In-Reply-To: <8d24c421-064c-9fee-577a-cbbf089cdf33@ti.com>

> > What i find interesting is that you and the other resent requester are
> > using the same user space tool. If you implement C45 over C22 in that
> > tool, you get your solution, and it will work for older kernels as
> > well. Also, given the diverse implementations of this IOTCL, it
> > probably works for more drivers than just those using phy_mii_ioctl().
> 
> Do you mean change uapi, like
>  add mdio_phy_id_is_c45_over_c22() and
>  flag #define MDIO_PHY_ID_C45_OVER_C22 0x4000?

No, i mean user space implements C45 over C22. Make phytool write
MII_MMD_CTRL and MII_MMD_DATA to perform a C45 over C22.

	     Andrew

  reply	other threads:[~2021-11-03  0:27 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-01 18:28 [RFC PATCH] net: phy/mdio: enable mmd indirect access through phy_mii_ioctl() Grygorii Strashko
2021-11-01 19:33 ` Andrew Lunn
2021-11-01 19:54   ` Russell King (Oracle)
2021-11-02  0:49     ` Andrew Lunn
2021-11-02 12:39       ` Russell King (Oracle)
2021-11-02 17:13         ` Andrew Lunn
2021-11-02 19:46           ` Sean Anderson
2021-11-02 23:38             ` Russell King (Oracle)
2021-11-04 15:05               ` Sean Anderson
2021-11-02 17:19         ` Grygorii Strashko
2021-11-02 17:41           ` Russell King (Oracle)
2021-11-02 18:37             ` Grygorii Strashko
2021-11-02 19:12               ` Grygorii Strashko
2021-11-02 21:46                 ` Andrew Lunn
2021-11-02 22:22                   ` Grygorii Strashko
2021-11-03  0:27                     ` Andrew Lunn [this message]
2021-11-03 18:42                       ` Grygorii Strashko
2021-11-03 19:36                         ` Andrew Lunn
2021-11-04 11:17                           ` Tobias Waldekranz
2021-11-04 12:35                             ` Russell King (Oracle)
2021-11-04 12:40                               ` Russell King (Oracle)
2021-11-04 13:13                                 ` Tobias Waldekranz
2021-11-04 13:06                               ` Tobias Waldekranz

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