Messages in this thread | | | Date | Wed, 3 Nov 2021 01:27:31 +0100 | From | Andrew Lunn <> | Subject | Re: [RFC PATCH] net: phy/mdio: enable mmd indirect access through phy_mii_ioctl() |
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> > 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
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