From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: "David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Mugunthan V N <mugunthanvnm@ti.com>,
Sekhar Nori <nsekhar@ti.com>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size
Date: Fri, 2 Dec 2016 13:28:33 +0200 [thread overview]
Message-ID: <20161202112832.GB1213@khorivan> (raw)
In-Reply-To: <20161201233432.6182-6-grygorii.strashko@ti.com>
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
>
next prev parent reply other threads:[~2016-12-02 11:28 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 23:34 [PATCH 0/7] net: ethernet: ti: cpsw: support placing CPDMA descriptors into DDR Grygorii Strashko
2016-12-01 23:34 ` [PATCH 1/7] net: ethernet: ti: cpdma: am437x: allow descs to be plased in ddr Grygorii Strashko
2016-12-03 20:34 ` David Miller
2016-12-05 17:57 ` Grygorii Strashko
2016-12-01 23:34 ` [PATCH 2/7] net: ethernet: ti: cpdma: fix desc re-queuing Grygorii Strashko
2016-12-02 11:03 ` Ivan Khoronzhuk
2016-12-02 16:45 ` Grygorii Strashko
2016-12-02 23:28 ` Ivan Khoronzhuk
2016-12-05 18:22 ` Grygorii Strashko
2016-12-01 23:34 ` [PATCH 3/7] net: ethernet: ti: cpdma: minimize number of parameters in cpdma_desc_pool_create/destroy() Grygorii Strashko
2016-12-01 23:34 ` [PATCH 4/7] net: ethernet: ti: cpdma: use devm_ioremap Grygorii Strashko
2016-12-01 23:34 ` [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Grygorii Strashko
2016-12-02 11:28 ` Ivan Khoronzhuk [this message]
2016-12-02 17:21 ` Grygorii Strashko
2016-12-07 19:41 ` Grygorii Strashko
2016-12-02 17:22 ` Grygorii Strashko
2016-12-03 0:37 ` Ivan Khoronzhuk
2016-12-01 23:34 ` [PATCH 6/7] net: ethernet: ti: cpsw: add support for descs_pool_size dt property Grygorii Strashko
2016-12-01 23:34 ` [PATCH 7/7] Documentation: DT: net: cpsw: remove no_bd_ram property Grygorii Strashko
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