Re: [dpdk-dev] about IOVA and namespace in DPDK 19.05

2019-05-09 Thread Robert Nie
@dpdk.org Subject: Re: [dpdk-dev] about IOVA and namespace in DPDK 19.05 On 02-May-19 12:31 AM, Robert Nie wrote: > After some digging, I fixed it by using "--iova-mode=va". Would anyone please > let me know if it was safe to use "va" instead of "pa" for veth u

Re: [dpdk-dev] about IOVA and namespace in DPDK 19.05

2019-05-07 Thread Burakov, Anatoly
On 02-May-19 12:31 AM, Robert Nie wrote: After some digging, I fixed it by using "--iova-mode=va". Would anyone please let me know if it was safe to use "va" instead of "pa" for veth use case? Or any performance drops? That depends. The IOVA addresses are what you would colloquially refer t

[dpdk-dev] about IOVA and namespace in DPDK 19.05

2019-05-06 Thread Robert Nie
Hello, I am take a trial on AF_XDP feature of 19.05-rc2. I encountered two problems. One is about "iova-mode", another is about attaching bpf prog onto interface of specified namespace (probably new feature?) I created a VM using uvt-tool, release=eoan, cpu=8, mem=8G, with host-passthrough ena