> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Wenzhuo Lu > Sent: Thursday, January 11, 2018 4:23 PM > To: ch...@att.com; dev@dpdk.org > Subject: Re: [dpdk-dev] [dpdk-dev, v2] net/e1000: always enable receive and > transmit > > Hi, > > > Date: Thu, 19 Oct 2017 23:23:39 -0400 > > > > From: Chas Williams <ch...@att.com> > > > > The transmit and receive controller state machines are only enabled > > after receiving an interrupt and the link status is now valid. If an > > adapter is being used in conjunction with NC-SI, network controller > > sideband interface, the adapter may never get a link state change > > interrupt since the adapter's PHY is always link up and never changes state. > > > > To fix this, always enable and disable the transmit and receive with > > .dev_start and .dev_stop. This is a better match for what is > > typically done with the other PMD's. Since we may never get an > > interrupt to check the link state, we also poll once at the end of > > .dev_start to get the current link status. > > > > Signed-off-by: Chas Williams <ch...@att.com> > Acked-by: Wenzhuo Lu <wenzhuo...@intel.com> Applied to dpdk-next-net-intel, thanks!
/Helin