Re: [PATCH net-next v4 1/2] New kernel function to get IP overhead on a socket.

From: David Miller
Date: Mon Apr 03 2017 - 22:19:25 EST


From: "R. Parameswaran" <parameswaran.r7@xxxxxxxxx>
Date: Mon, 3 Apr 2017 19:12:20 -0700 (PDT)

>
>
> Hi Dave,
>
> Please see inline:
>
> On Mon, 3 Apr 2017, David Miller wrote:
>
>> From: "R. Parameswaran" <parameswaran.r7@xxxxxxxxx>
>> Date: Mon, 3 Apr 2017 13:28:11 -0700 (PDT)
>>
>> > Can I take this to mean that we do need to factor in IP options in
>> > the L2TP device MTU setup (i.e approach in the posted patch is okay)?
>> >
>> > If yes, please let me know if I can keep the socket IP option overhead
>> > calculations in a generic function, or it would be better to move it back into
>> > L2TP code?
>>
>> If the user creates and maintains this UDP socket, then yes we have to
>> account for potential IP options.
>>
>
> Can I take this to mean that the patch in its present form is
> acceptable (patch currently accounts for IP options on the socket)?
> Please let me know if any further change is needed (I'll clean up the
> krobot reported errors after this).

Yes, please respin the patch with the krobot errors fixed.