[dpdk-dev] [PATCH v3] net/i40e: fix link status update

De Lara Guarch, Pablo pablo.de.lara.guarch at intel.com
Wed May 30 11:54:47 CEST 2018



> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org]
> Sent: Wednesday, May 30, 2018 9:31 AM
> To: dev at dpdk.org
> Cc: Zhang, Helin <helin.zhang at intel.com>; Zhang, Roy Fan
> <roy.fan.zhang at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>;
> stable at dpdk.org
> Subject: [dpdk-dev] [PATCH v3] net/i40e: fix link status update
> 
> This patch fixes link status update problem in interrupt mode.
> Previously, directly reading link status register instead of accessing via admin
> queue command may cause the link status change interrupt callback inactive.
> This patch fixes the problem by making the driver only read the register in "no
> wait" and polling mode.
> 
> Bugzilla ID: 54
> Fixes: eef2daf2e199 ("net/i40e: fix link update no wait")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>

Tested-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>


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