[dpdk-dev] [PATCH] igb: fix crash with offload on 82575 chipset

2016-03-25 Thread Bruce Richardson
nzhuo > > Subject: [dpdk-dev] [PATCH] igb: fix crash with offload on 82575 chipset > > > > On the 82575 chipset, there is a pool of global TX contexts instead of 2 > > per queues on 82576. See Table A-1 "Changes in Programming Interface > > Relative to 82575"

[dpdk-dev] [PATCH] igb: fix crash with offload on 82575 chipset

2016-03-25 Thread Ananyev, Konstantin
> -Original Message- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Olivier Matz > Sent: Friday, March 25, 2016 10:32 AM > To: dev at dpdk.org > Cc: Lu, Wenzhuo > Subject: [dpdk-dev] [PATCH] igb: fix crash with offload on 82575 chipset > > On the 8

[dpdk-dev] [PATCH] igb: fix crash with offload on 82575 chipset

2016-03-25 Thread Olivier Matz
On the 82575 chipset, there is a pool of global TX contexts instead of 2 per queues on 82576. See Table A-1 "Changes in Programming Interface Relative to 82575" of Intel? 82576EB GbE Controller datasheet (*). In the driver, the contexts are attributed to a TX queue: 0-1 for txq0, 2-3 for txq1, and