> -----Original Message----- > From: Lu, Wenzhuo > Sent: Friday, March 9, 2018 4:45 PM > To: Zhang, Roy Fan; [email protected] > Cc: Glynn, Michael J; Zhang, Roy Fan; [email protected]; 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:[email protected]] On Behalf Of Fan Zhang > > Sent: Thursday, March 8, 2018 8:18 PM > > To: [email protected] > > Cc: Glynn, Michael J <[email protected]>; Zhang, Roy Fan > > <[email protected]>; [email protected]; Zhang, Helin > > <[email protected]>; Liang, Cunming <[email protected]>; > > Chilikin, Andrey <[email protected]> > > Subject: [dpdk-dev] [PATCH v2] drivers/i40e: fix link update no wait > > > > Fixes: 263333bbb7a9 ("i40e: fix link status timeout") > > Cc: [email protected] > > Cc: [email protected] > > > > 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 <[email protected]> > > Signed-off-by: Andrey Chilikin <[email protected]> > Acked-by: Wenzhuo Lu <[email protected]> Applied to dpdk-next-net-intel, with minor commit log changes. Thanks!
/Helin
