[dpdk-dev] [PATCH v2] i40e: workaround for X710 performance issues

2014-12-16 Thread Chen, Jing D
Hi Helin, > -Original Message- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Helin Zhang > Sent: Monday, December 15, 2014 3:56 PM > To: dev at dpdk.org > Cc: Rowden, Aaron F > Subject: [dpdk-dev] [PATCH v2] i40e: workaround for X710 performance > iss

[dpdk-dev] [PATCH v2] i40e: workaround for X710 performance issues

2014-12-15 Thread Helin Zhang
As the fixes of below performance issues on X710 may not be integrated in latest version of firmware, a workaround in software PMD is needed. It is to re-configure 3 specific registers after being initialized. - Cannot achieve line rate on X710. - Performance reduction when promiscuous mode is