On Wed, 15 Mar 2017 04:45:03 +0000 Bruce Richardson <bruce.richard...@intel.com> wrote:
> On Tue, Mar 14, 2017 at 12:07:42PM +0000, Ferruh Yigit wrote: > > On 3/14/2017 9:28 AM, raman geetha gopalakrishnan wrote: > > > Hi , > > > > > > Please find my query, Currently i am planning to develop DPDK APP (linux > > > env). I do not have DPDK supported NIC. Till then i would still like to > > > develop DPDK APP and want DPDK to use OS interface to TX/RX packets from > > > NIC. How can i make it? > > > > > I went through KNI and my understanding is you > > > cannot use it - is this correct? > > > > You can use it. KNI does not require a physical device at all. > > > > But with the KNI support in main tree, you need to use KNI specific > > APIs, - which KNI sample app shows. > > > > With the KNI PMD in next-net tree, it is possible to use KNI as any > > other device. > > > > Just my 2c. While you can indeed use KNI here, I think I would recommend > pcap or AF_PACKET as my first-choice options, with TAP also a > possibility too, as Keith has already suggested. > > /Bruce Other than development environment, why would you want to use DPDK with AF_PACKET or TAP? It will be slower than kernel networking and with KNI doubly slow.
