Re: [dpdk-dev] Questions about keeping CRC

2021-03-22 Thread Min Hu (Connor)
Hi, Lance ,Stephen and Ferruh, Got it, thanks for your reply. 在 2021/3/22 18:53, Ferruh Yigit 写道: On 3/19/2021 5:02 PM, Lance Richardson wrote: On Fri, Mar 19, 2021 at 12:07 PM Stephen Hemminger wrote: On Fri, 19 Mar 2021 20:13:20 +0800 "Min Hu (Connor)" wrote: Hi, all,    DPD

Re: [dpdk-dev] Questions about keeping CRC

2021-03-22 Thread Ferruh Yigit
On 3/19/2021 5:02 PM, Lance Richardson wrote: On Fri, Mar 19, 2021 at 12:07 PM Stephen Hemminger wrote: On Fri, 19 Mar 2021 20:13:20 +0800 "Min Hu (Connor)" wrote: Hi, all, DPDK has introduced one offload: DEV_RX_OFFLOAD_KEEP_CRC. It means that the device has the ablility of keeping

Re: [dpdk-dev] Questions about keeping CRC

2021-03-19 Thread Lance Richardson
On Fri, Mar 19, 2021 at 12:07 PM Stephen Hemminger wrote: > > On Fri, 19 Mar 2021 20:13:20 +0800 > "Min Hu (Connor)" wrote: > > > Hi, all, > > DPDK has introduced one offload: DEV_RX_OFFLOAD_KEEP_CRC. It means > > that > > the device has the ablility of keeping CRC（four bytes at the end of

Re: [dpdk-dev] Questions about keeping CRC

2021-03-19 Thread Stephen Hemminger
On Fri, 19 Mar 2021 20:13:20 +0800 "Min Hu (Connor)" wrote: > Hi, all, > DPDK has introduced one offload: DEV_RX_OFFLOAD_KEEP_CRC. It means that > the device has the ablility of keeping CRC（four bytes at the end of > packet）of packet in RX. > In common scenarios, When one packet ent

[dpdk-dev] Questions about keeping CRC

2021-03-19 Thread Min Hu (Connor)
Hi, all, DPDK has introduced one offload: DEV_RX_OFFLOAD_KEEP_CRC. It means that the device has the ablility of keeping CRC（four bytes at the end of packet）of packet in RX. In common scenarios, When one packet enter into NIC device, NIC will check the CRC and then strip the CRC，at last