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Groups > linux.kernel > #1534854
| From | Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size |
| Date | 2016-12-02 12:30 +0100 |
| Message-ID | <sJUcq-3bc-27@gated-at.bofh.it> (permalink) |
| References | <sJJ7j-3WJ-3@gated-at.bofh.it> <sJJ7k-3WJ-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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[PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Grygorii Strashko <grygorii.strashko@ti.com> - 2016-12-02 00:40 +0100
Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> - 2016-12-02 12:30 +0100
Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Grygorii Strashko <grygorii.strashko@ti.com> - 2016-12-02 18:30 +0100
Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> - 2016-12-03 01:40 +0100
Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Grygorii Strashko <grygorii.strashko@ti.com> - 2016-12-02 20:50 +0100
Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Grygorii Strashko <grygorii.strashko@ti.com> - 2016-12-07 20:50 +0100
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