Messages in this thread | | | Date | Fri, 2 Dec 2016 13:28:33 +0200 | From | Ivan Khoronzhuk <> | Subject | Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size |
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On Thu, Dec 01, 2016 at 05:34:30PM -0600, Grygorii Strashko wrote: > Add optional property "descs_pool_size" to specify buffer descriptor's > pool size. The "descs_pool_size" should define total number of CPDMA > CPPI descriptors to be used for both ingress/egress packets > processing. If not specified - the default value 256 will be used > which will allow to place descriptor's pool into the internal CPPI > RAM on most of TI SoC. > > Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> > --- > Documentation/devicetree/bindings/net/cpsw.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt > index 5ad439f..b99d196 100644 > --- a/Documentation/devicetree/bindings/net/cpsw.txt > +++ b/Documentation/devicetree/bindings/net/cpsw.txt > @@ -35,6 +35,11 @@ Optional properties: > For example in dra72x-evm, pcf gpio has to be > driven low so that cpsw slave 0 and phy data > lines are connected via mux. > +- descs_pool_size : total number of CPDMA CPPI descriptors to be used for > + both ingress/egress packets processing. if not > + specified the default value 256 will be used which > + will allow to place descriptors pool into the > + internal CPPI RAM. Does it describe h/w? Why now module parameter? or even smth like ethtool num ring entries?
> > Slave Properties: > -- > 2.10.1 >
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