Dear Andriy, I did my task with the help of rte_ring, but now I wanna replace rte_ring with real share cache(L3), May I ask you if there is any possibility in DPDK in order to do it. Thanks in advance,
On 9 March 2016 at 05:26, Andriy Berestovskyy <aber at semihalf.com> wrote: > Mahdi, > 1. Sure, the rte_ring is another good way to communicate between the > lcores. If you have just one "worker" lcore or you do not care about > packet ordering, you might prefer using rte_ring over the > rte_distributor. > > > 2. For the simplicity, you might assume that any of your shared > structures (rte_ring or rte_distributor) eventually get into the > cache. > > Andriy > > On Tue, Mar 8, 2016 at 10:49 PM, Mahdi Moradmand Badie > <mahdi.mbadie at gmail.com> wrote: > > Another issue, ;) > > How I could access to the share memory cache of lcores (L3), the rte_ring > > is exactly that?? > > > > On 8 March 2016 at 13:08, Mahdi Moradmand Badie <mahdi.mbadie at gmail.com> > > wrote: > > > >> Dear Andriy, > >> Sorry for interrupt again, > >> As I see in rte_distributor, it is using rte_eth (ethernet), while I > >> wanna without using any NIC because I don't have it on my personal > computer > >> :) > >> > >> On 8 March 2016 at 11:49, Mahdi Moradmand Badie <mahdi.mbadie at gmail.com > > > >> wrote: > >> > >>> Thanks so much Andriy, > >>> Regarding cross-post, yes you are right sorry about that and of course > >>> afterwards. > >>> > >>> On 8 March 2016 at 03:17, Andriy Berestovskyy <aber at semihalf.com> > wrote: > >>> > >>>> Hi Mahdi, > >>>> Looks like the DPDK's rte_distributor is the right tool for your task. > >>>> Please have a look at: > >>>> http://dpdk.org/doc/guides/prog_guide/packet_distrib_lib.html > >>>> > >>>> There is also the Distributor Sample Application in DPDK: > >>>> http://dpdk.org/doc/guides/sample_app_ug/dist_app.html > >>>> > >>>> > >>>> Please do not cross-post to dev@ mailing list. > >>>> > >>>> Regards, > >>>> Andriy > >>>> > >>>> On Tue, Mar 8, 2016 at 6:41 AM, Mahdi Moradmand Badie > >>>> <mahdi.mbadie at gmail.com> wrote: > >>>> > I wanna create for example 3 different packets in core_0 as master > and > >>>> > store them one by one in share memory(rte_ring), > >>>> > then the core_1 as slave read them and do function on them (ex. > >>>> P1+P2+P3) > >>>> > and again store in share memory, finally the core_0 read the packets > >>>> from > >>>> > share memory and compare them with whatever expected :) > >>>> > As I said and you mentioned is the same? :) > >>>> > > >>>> > On 8 March 2016 at 00:35, Hamed Zaghaghi <hamed.zaghaghi at gmail.com> > >>>> wrote: > >>>> > > >>>> >> Hi, > >>>> >> > >>>> >> If I understood well you need to do these tasks: > >>>> >> 1. Packet crafting (I think that DPDK has no functions for this > task) > >>>> >> 2. Store packets (DPDK has (rte_mbuf)[ > >>>> >> http://dpdk.org/doc/api/rte__mbuf_8h.html]) > >>>> >> 3. Share between lcores (DPDK offers rte_ring) > >>>> >> > >>>> >> > >>>> >> > >>>> >> On Tue, Mar 8, 2016 at 8:45 AM Mahdi Moradmand Badie < > >>>> >> mahdi.mbadie at gmail.com> wrote: > >>>> >> > >>>> >>> Dear Hamed, > >>>> >>> > >>>> >>> First of all thank you so much for your kindly reply, > >>>> >>> > >>>> >>> It's the primary part of the big project, in order to be more > >>>> familiar > >>>> >>> with DPDK, > >>>> >>> I have to implement the mentioned framework by use of DPDK, > >>>> >>> And finally we wanna implement the cache locking approach (via > help > >>>> of > >>>> >>> features like Cache Allocation Technology(CAT), Cache Monitoring > >>>> Technology > >>>> >>> (CMT)) in Xeon processor (my supervisor told me this simple > exercise > >>>> >>> will be helpful to do the final part) in such a way we could > >>>> dedicate a > >>>> >>> specific part of shared memory (L3) to each core which the other > >>>> don't > >>>> >>> access to it. > >>>> >>> Obviously using of DPDK with Xeon which both are from "Intel", is > >>>> >>> considered as strength point. > >>>> >>> > >>>> >>> I hope this was more clear :) > >>>> >>> > >>>> >>> On 7 March 2016 at 23:56, Hamed Zaghaghi < > hamed.zaghaghi at gmail.com> > >>>> >>> wrote: > >>>> >>> > >>>> >>>> Hi Mahdi, > >>>> >>>> > >>>> >>>> Why do you want to use DPDK when you don't use NIC? You can do > what > >>>> you > >>>> >>>> want outside of DPDK. > >>>> >>>> > >>>> >>>> Regards, > >>>> >>>> Hamed Zaghaghi > >>>> >>>> > >>>> >>>> On Tue, Mar 8, 2016 at 12:16 AM Mahdi Moradmand Badie < > >>>> >>>> mahdi.mbadie at gmail.com> wrote: > >>>> >>>> > >>>> >>>>> Dear All, > >>>> >>>>> I am Mahdi and I am new in DPDK, > >>>> >>>>> I wanna generate for example 3 different packets in core0 as > master > >>>> >>>>> write > >>>> >>>>> it to share memory (L3), then core1 as slave read this packets, > >>>> change > >>>> >>>>> them > >>>> >>>>> with for example function1 and write again in share memory (L3) > and > >>>> >>>>> finally > >>>> >>>>> check the result with whatever I expect. > >>>> >>>>> The most important thing is that I don't wanna use NIC and I > don't > >>>> know > >>>> >>>>> for > >>>> >>>>> working with cores how I can write/read to/from them, I mean > with > >>>> which > >>>> >>>>> template and sequence??? > >>>> >>>>> Thanks in advance, > >>>> >>>>> > >>>> >>>> > >>>> >>> > >>>> >>> > >>>> >>> -- > >>>> >>> M at hdi Mor at dm@nd B at die > >>>> >>> > >>>> >> > >>>> > > >>>> > > >>>> > -- > >>>> > M at hdi Mor at dm@nd B at die > >>>> > >>>> > >>>> > >>>> -- > >>>> Andriy Berestovskyy > >>>> > >>> > >>> > >>> > >>> -- > >>> M at hdi Mor at dm@nd B at die > >>> > >> > >> > >> > >> -- > >> M at hdi Mor at dm@nd B at die > >> > > > > > > > > -- > > M at hdi Mor at dm@nd B at die > > > > -- > Andriy Berestovskyy > -- M at hdi Mor at dm@nd B at die
