[dpdk-dev] [PATCH v2] igb: fix i350 VF RX issue

2016-04-06 Thread Thomas Monjalon
> A problem is found on i350 VF. We found TX will happen once > per 4 packets. If only 1~3 packets are received, they will > not be forwarded. But the real problem is on RX side. The > reason is the default RX write-back threshold is changed to > 4, so every first 3 packets may be hung there. > >

[dpdk-dev] [PATCH v2] igb: fix i350 VF RX issue

2016-04-05 Thread Wenzhuo Lu
A problem is found on i350 VF. We found TX will happen once per 4 packets. If only 1~3 packets are received, they will not be forwarded. But the real problem is on RX side. The reason is the default RX write-back threshold is changed to 4, so every first 3 packets may be hung there. This patch