[PATCH net v2 3/3] net: stmmac: Improve mcast/ucast filter for all Synopsys EMAC Configurations

Vince Bridgers vbridgers2013 at gmail.com
Mon Jun 30 07:01:17 PDT 2014


 Hi Arnd,

On Mon, Jun 30, 2014 at 1:46 AM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Sunday 29 June 2014 20:35:10 Vince Bridgers wrote:
>> The synopsys EMAC can be configured for different numbers of multicast hash
>> bins and perfect filter entries at device creation time and there's no way
>> to query this configuration information at runtime. As a result, a devicetree
>> parameter is required in order for the driver to program these filters
>> correctly for a particular device instance. This patch extends the current
>> driver by providing a different multicast filter programming function if
>> different than the currently supported 64 multicast hash bins and 32
>> perfect unicast addresses. This patch is required to correct multicast
>> filtering for the Altera Cyclone V SOC.
>>
>> Signed-off-by: Vince Bridgers <vbridgers2013 at gmail.com>
>>
>
> No objections to the content of the patch, but it would be better to split
> it out into two separate patches: one that does the mechanical prototype
> and formatting changes, and a smaller one that actually introduces the
> functional change. That would make it much easier to review, and to bisect
> potential problems when something goes wrong.
>
>         Arnd

I'll make the suggested change and resubmit. Thank you for the suggestion.

All the best,

Vince



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