Messages in this thread | | | Date | Thu, 1 Apr 2021 00:43:43 +0200 | From | Andrew Lunn <> | Subject | Re: [PATCHv4 4/4] net: cdc_ether: record speed in status method |
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On Mon, Mar 29, 2021 at 07:16:51PM -0700, Grant Grundler wrote: > From: Grant Grundler <Grant Grundler grundler@chromium.org> > > Until very recently, the usbnet framework only had support functions > for devices which reported the link speed by explicitly querying the > PHY over a MDIO interface. However, the cdc_ether devices send > notifications when the link state or link speeds change and do not > expose the PHY (or modem) directly. > > Support funtions (e.g. usbnet_get_link_ksettings_internal()) to directly > query state recorded by the cdc_ether driver were added in a previous patch. > > Instead of cdc_ether spewing the link speed into the dmesg buffer, > record the link speed encoded in these notifications and tell the > usbnet framework to use the new functions to get link speed/state. > > User space can now get the most recent link speed/state using ethtool. > > v4: added to series since cdc_ether uses same notifications > as cdc_ncm driver. > > Signed-off-by: Grant Grundler <grundler@chromium.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
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