[dpdk-dev] [PATCH v3] net/i40e: workaround for Fortville performance

Zhang, Qi Z qi.z.zhang at intel.com
Fri Jun 15 16:07:14 CEST 2018



> -----Original Message-----
> From: Wang, Haiyue
> Sent: Wednesday, June 13, 2018 1:53 PM
> To: dev at dpdk.org
> Cc: Wang, Haiyue <haiyue.wang at intel.com>; Zhang, Qi Z
> <qi.z.zhang at intel.com>; Wu, Jingjing <jingjing.wu at intel.com>; Yang, Qiming
> <qiming.yang at intel.com>; stable at dpdk.org
> Subject: [PATCH v3] net/i40e: workaround for Fortville performance
> 
> The GL_SWR_PM_UP_THR value is not impacted from the link speed, its
> value is set according to the total number of ports for a better pipe-monitor
> configuration.
> 
> All bellowing relevant device IDs are considered (NICs, LOMs, Mezz and
> Backplane):
> 
> Device-ID  Value        Comments
> 0x1572     0x03030303   10G SFI
> 0x1581     0x03030303   10G Backplane
> 0x1586     0x03030303   10G BaseT
> 0x1589     0x03030303   10G BaseT (FortPond)
> 0x1580     0x06060606   40G Backplane
> 0x1583     0x06060606   2x40G QSFP
> 0x1584     0x06060606   1x40G QSFP
> 0x1587     0x06060606   20G Backplane (HP)
> 0x1588     0x06060606   20G KR2 (HP)
> 0x158A     0x06060606   25G Backplane
> 0x158B     0x06060606   25G SFP28
> 
> Fixes: c9223a2bf53c ("i40e: workaround for XL710 performance")
> Fixes: 75d133dd3296 ("net/i40e: enable 25G device")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>

Acked-by: Qi Zhang <qi.z.zhang at intel.com>



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