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SubjectRe: [PATCH] net: core: Fix to store new mtu setting in netdevice.
On Tue, Jan 01, 2019 at 03:18:51PM +0530, Murali Krishna Policharla wrote:
> Hi Andrew,
> Currently net/dsa/slave.c does not have
> ndo_change_mtu function. But shortly I will be submitting a separate
> patch outside this fix that has ndo_change_mtu function support added to
> DSA switch. As part of testing the newly added ndo_change_mtu function
> for DSA switch it uncovered that new mtu size is not being updated to
> netdevice structure. This patch fixes this issue and updates new mtu size
> to netdevice structure.
>
> Hope this clarifies, let me know if you need any further information.

Hi Murali

Thanks for the explanation.

However, i looked at the patch you listed as 'fixes'. I don't see what
came before that setting the mtu when an ndo_change_mtu function is
provided. It seems to me, if you provide an ndo_change_mtu, it has to
do the assignment. I don't think you are fixing anything here.

If you do want to move the assignment into the core, please review all
the MAC drivers which implement ndo_change_mtu and remove the
assignment from them.

Thanks
Andrew

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