linux-kernel - Re: [PATCH 1/2] Documentation: usb: Update NCM configfs parameters

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Date:   Mon, 9 Oct 2023 17:21:30 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
Cc:     Maciej Żenczykowski <maze@...gle.com>,
        onathan Corbet <corbet@....net>,
        Linyu Yuan <quic_linyyuan@...cinc.com>,
        linux-usb@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_ppratap@...cinc.com,
        quic_wcheng@...cinc.com, quic_jackp@...cinc.com
Subject: Re: [PATCH 1/2] Documentation: usb: Update NCM configfs parameters

On Mon, Oct 09, 2023 at 08:40:27PM +0530, Krishna Kurapati PSSNV wrote:
> 
> 
> On 10/9/2023 8:35 PM, Greg Kroah-Hartman wrote:
> > On Mon, Oct 09, 2023 at 07:50:04PM +0530, Krishna Kurapati wrote:
> > > Updateed NCM configfs parameters by adding max_segment_size
> > > property and describing its effect on MTU configuration of
> > > NCM interface.
> > 
> > "Updated"?
> 
> My bad. Will fix it in v2.
> > 
> > > 
> > > Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> > > ---
> > >   Documentation/usb/gadget-testing.rst | 20 +++++++++++---------
> > >   1 file changed, 11 insertions(+), 9 deletions(-)
> > > 
> > > diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
> > > index 29072c166d23..6e5d96668e8e 100644
> > > --- a/Documentation/usb/gadget-testing.rst
> > > +++ b/Documentation/usb/gadget-testing.rst
> > > @@ -448,15 +448,17 @@ Function-specific configfs interface
> > >   The function name to use when creating the function directory is "ncm".
> > >   The NCM function provides these attributes in its function directory:
> > > -	=============== ==================================================
> > > -	ifname		network device interface name associated with this
> > > -			function instance
> > > -	qmult		queue length multiplier for high and super speed
> > > -	host_addr	MAC address of host's end of this
> > > -			Ethernet over USB link
> > > -	dev_addr	MAC address of device's end of this
> > > -			Ethernet over USB link
> > > -	=============== ==================================================
> > > +	================= ====================================================
> > > +	ifname		  network device interface name associated with this
> > > +			  function instance
> > > +	qmult		  queue length multiplier for high and super speed
> > > +	host_addr	  MAC address of host's end of this
> > > +			  Ethernet over USB link
> > > +	dev_addr	  MAC address of device's end of this
> > > +			  Ethernet over USB link
> > > +	max_segment_size  Segment size required for P2P connections. This
> > > +			  will inturn set MTU to (max_segment_size - 14 bytes)
> > 
> > "inturn"???
> > 
> > > +	================= ====================================================
> > 
> > What commit id does this fix?
> > 
> This is not a bug fix. It is just an addition of a new property. Does it
> need a fixes tag ?

Where is the code for the new property?

Ah, it's in patch 2/2, that wasn't obvious, sorry.  Why is this a
separate patch at all, shouldn't be part of the commit that adds the new
property to the system?

thanks,

greg k-h