> -----Original Message----- > From: Lu, Wenzhuo > Sent: Friday, March 9, 2018 4:45 PM > To: Zhang, Roy Fan; dev@dpdk.org > Cc: Glynn, Michael J; Zhang, Roy Fan; sta...@dpdk.org; Zhang, Helin; Liang, > Cunming; Chilikin, Andrey > Subject: RE: [dpdk-dev] [PATCH v2] drivers/i40e: fix link update no wait > > Hi, > > > > -----Original Message----- > > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Fan Zhang > > Sent: Thursday, March 8, 2018 8:18 PM > > To: dev@dpdk.org > > Cc: Glynn, Michael J <michael.j.gl...@intel.com>; Zhang, Roy Fan > > <roy.fan.zh...@intel.com>; sta...@dpdk.org; Zhang, Helin > > <helin.zh...@intel.com>; Liang, Cunming <cunming.li...@intel.com>; > > Chilikin, Andrey <andrey.chili...@intel.com> > > Subject: [dpdk-dev] [PATCH v2] drivers/i40e: fix link update no wait > > > > Fixes: 263333bbb7a9 ("i40e: fix link status timeout") > > Cc: cunming.li...@intel.com > > Cc: sta...@dpdk.org > > > > In i40e_dev_link_update() the driver obtains the link status info via > > admin queue command despite of "no_wait" flag. This requires > > relatively long time and may be a problem to some application such as > > ovs-dpdk (https://bugzilla.redhat.com/show_bug.cgi?id=1551761). > > > > This patch aims to fix the problem by using a different approach of > > obtaining link status for i40e NIC without waiting. > > Instead of getting the link status via admin queue command, this patch > > reads the link status registers to accelerate the procedure. > > > > Signed-off-by: Fan Zhang <roy.fan.zh...@intel.com> > > Signed-off-by: Andrey Chilikin <andrey.chili...@intel.com> > Acked-by: Wenzhuo Lu <wenzhuo...@intel.com> Applied to dpdk-next-net-intel, with minor commit log changes. Thanks!
/Helin
