netdev - Re: [PATCH net-next 1/2] dts: Add bindings for multicast hash bins and perfect filter entries

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Date:	Tue, 4 Feb 2014 11:25:01 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Vince Bridgers <vbridgers2013@...il.com>
Cc:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Giuseppe CAVALLARO <peppe.cavallaro@...com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Dinh Nguyen <dinguyen@...era.com>,
	Rayagond Kokatanur <rayagond@...avyalabs.com>
Subject: Re: [PATCH net-next 1/2] dts: Add bindings for multicast hash bins
 and perfect filter entries

On Fri, Jan 31, 2014 at 2:15 PM, Vince Bridgers <vbridgers2013@...il.com> wrote:
> This change adds bindings for the number of multicast hash bins and perfect
> filter entries supported by the Synopsys EMAC. The Synopsys EMAC core is
> configurable at device creation time, and can be configured for a different
> number of multicast hash bins and a different number of perfect filter entries.
> The device does not provide a way to query these parameters, therefore
> parameters are required. The Altera Cyclone V SOC has support for 256
> multicast hash bins and 128 perfect filter entries, and is different than
> what's currently provided in the stmmac driver.
>
> Signed-off-by: Vince Bridgers <vbridgers2013@...il.com>

Acked-by: Rob Herring <robh@...nel.org>

> ---
>  Documentation/devicetree/bindings/net/stmmac.txt |    6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
> index 9d92d42..dbf7498 100644
> --- a/Documentation/devicetree/bindings/net/stmmac.txt
> +++ b/Documentation/devicetree/bindings/net/stmmac.txt
> @@ -34,6 +34,10 @@ Optional properties:
>         reset phandle is given
>  - max-frame-size:      Maximum Transfer Unit (IEEE defined MTU), rather
>                         than the maximum frame size.
> +- snps,multicast-filter-bins:  Number of multicast filter hash bins
> +                               supported by this device instance
> +- snps,perfect-filter-entries: Number of perfect filter entries supported
> +                               by this device instance
>
>  Examples:
>
> @@ -46,4 +50,6 @@ Examples:
>                 mac-address = [000000000000]; /* Filled in by U-Boot */
>                 max-frame-size = <3800>;
>                 phy-mode = "gmii";
> +               snps,multicast-filter-bins = <256>;
> +               snps,perfect-filter-entries = <128>;
>         };
> --
> 1.7.9.5
>
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