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Re: [PATCH v2 0/7] net: ethernet: ti: cpsw: support placing CPDMA descriptors into DDR

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From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: Fri, 6 Jan 2017 14:07:28 -0600

> This series intended to add support for placing CPDMA descriptors into DDR by
> introducing new module parameter "descs_pool_size" to specify size of descriptor's
> pool. The "descs_pool_size" defines 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.
> 
> In addition, added ability to re-split CPDMA pool of descriptors between RX and TX
> path via ethtool '-G' command wich will allow to configure and fix number
> of descriptors used by RX and TX path, which, then, will be split between
> RX/TX channels proportionally depending on number of RX/TX channels and
> its weight. 
> 
> This allows significantly to reduce UDP packets drop rate
> for bandwidth >301 Mbits/sec (am57x).  
> 
> Before enabling this feature, the am437x SoC has to be fixed as it's proved
> that it's not working when CPDMA descriptors placed in DDR.
> So, the patch 1 fixes this issue.

Series applied to net-next, thanks.

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[PATCH v2 0/7] net: ethernet: ti: cpsw: support placing CPDMA descriptors into DDR Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 7/7] Documentation: DT: net: cpsw: remove no_bd_ram property Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 5/7] net: ethernet: ti: cpsw: add support for descs pool size configuration Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 3/7] net: ethernet: ti: cpdma: minimize number of parameters in cpdma_desc_pool_create/destroy() Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 1/7] net: ethernet: ti: cpdma: am437x: allow descs to be plased in ddr Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 2/7] net: ethernet: ti: cpdma: fix desc re-queuing Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:10 +0100
  [PATCH v2 6/7] net: ethernet: ti: cpsw: add support for ringparam configuration Grygorii Strashko <grygorii.strashko@ti.com> - 2017-01-06 21:20 +0100
  Re: [PATCH v2 0/7] net: ethernet: ti: cpsw: support placing CPDMA  descriptors into DDR David Miller <davem@davemloft.net> - 2017-01-08 02:50 +0100

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