Re: [dpdk-dev] [v6] net/e1000: fix i219 hang on reset/close

2019-07-21 Thread Zhang, Xiao
> -Original Message- > From: Ye, Xiaolong > Sent: Monday, July 22, 2019 5:27 PM > To: Zhang, Xiao > Cc: dev@dpdk.org; Lu, Wenzhuo ; Zhao1, Wei > ; sta...@dpdk.org > Subject: Re: [dpdk-dev] [v6] net/e1000: fix i219 hang on reset/close > > On 07/22, Xiao Zh

Re: [dpdk-dev] [v6] net/e1000: fix i219 hang on reset/close

2019-07-21 Thread Ye Xiaolong
On 07/22, Xiao Zhang wrote: >Unit hang may occur if multiple descriptors are available in the rings >during reset or close. This state can be detected by configure status >by bit 8 in register. If the bit is set and there are pending >descriptors in one of the rings, we must flush them before reset

[dpdk-dev] [v6] net/e1000: fix i219 hang on reset/close

2019-07-21 Thread Xiao Zhang
Unit hang may occur if multiple descriptors are available in the rings during reset or close. This state can be detected by configure status by bit 8 in register. If the bit is set and there are pending descriptors in one of the rings, we must flush them before reset or close. Cc: sta...@dpdk.org