[dpdk-users] Can not forward the message in DPDK

[Manoj Mallawaarachchi]

 blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important;  padding-left:1ex !important; background-color:white !important; }  Hi Loan,
Yes, I manage my work with basic forwarder setup as bump in the wire. Now my forwarding working from pc to net and back. Working on multi core support and RSS now.

If it help I can discribe more detail to you.
Thank you,Manoj M
Sent from Yahoo Mail for iPad


On Wednesday, June 7, 2017, 5:34 pm, LOAN TON <tont at usi.ch> wrote:

Hi Manoj M,

Have you solved your problem? I still stick on my case.

Loan Ton
> On 26 May 2017, at 11:49 AM, Manoj Mallawaarachchi <manoj_ws at yahoo.com> wrote:
> 
> Hi Loan,
> 
> Thanks for the message to group and sharing the information. I also doing small scale project similar  to this using DPDK forwarder app and as below scenario.
> 
> Client PC ----> DPDK forwarder ----> Internet
> 
> All connect via home router. I face same issue with client forwarding to DPDK app and to INTERNET and back. Still my objective not work, however I found below discussion will help to your scenario also.
> 
> http://dpdk.org/ml/archives/dev/2013-June/000237.html
> 
> May be you need to integrate user space TCP/IP stack like ANS.
> 
> https://github.com/ansyun/dpdk-ans
> 
> I'm also exploring possibilities to my requirement discussed below:
> 
> http://www.dpdk.org/ml/archives/users/2017-May/001922.html
> 
> Hope my comments useful to get some idea.
> 
> Thank you,
> Manoj M
> --------------------------------------------
> On Wed, 5/24/17, LOAN TON <tont at usi.ch> wrote:
> 
> Subject: [dpdk-users] Can not forward the message in DPDK
> To: users at dpdk.org
> Date: Wednesday, May 24, 2017, 7:50 PM
> 
> Hi all,
> 
> I am a newbie with DPDK. I am doing a
> small project as following.
> 
> I have three components such as client
> (one or many), one transporter and one server. The
> transporter and server are in DPDK. I use switch to
> connect  three components together and add rule to
> forward the message between them. The message passing from
> client and transfer to transporter and then to server. The
> server receives the message , opens it and reads some
> information and responds to client and repeats again. One
> client sends a message to transporter and server. At the
> transporter, it only increases the id of message and then
> pass the message to the server. Only when receiving message
> from server, client just sends another one message. Besides,
> after one second, the client have not received the message
> from the server. It will send a new message to the
> transporter and server. The life cycle runs forever until i
> terminate the application.
> 
> Model:    Client ->
> Transporter (DPDK) -> Server (DPDK)  
> 
> My problem here is the client (for
> example 30 clients) sends a message to transporter. The
> transporter forwards message to server. But the server does
> not receive any message from the transporter.
> I checked some information in my
> transporter, the server and also the switch device (port 30
> is belong to the transporter, port 28 is belong to the
> server). I discovered that when the switch showed err = 2,
> over =2 in the port 30 of the transporter, the server have
> not received any message from the transporter (just my
> thinking, not sure). (You can see some below photos) 
> Or I guessed that I did something wrong in the
> transporter’s code.
> Besides, I also run some experiments
> with different the amount of clients in 15 seconds,
> sometimes the system works, sometimes not. 
> 
> Have anyone met such case? Please help
> me to figure out where the error come from. I would be
> grateful for any help
> 
> I attach some photos of transporter,
> server, switch info and  the transporter's code because
> maybe I was doing wrong about txbuffer or rte_mbuf.
> 
> Best Regards,
> Loan Ton
> 
> Here are photo links
> Transporter with 30 clients: http://imgur.com/a/dQ5ss <http://imgur.com/a/dQ5ss> 
> Server with 30 clients: http://imgur.com/a/WkhBR <http://imgur.com/a/WkhBR> 
> Switch with 30 clients: http://imgur.com/a/MEPPA <http://imgur.com/a/MEPPA> 
> 
> I tested the case with 15 clients, one
> transporter, one server. 
> Transporter with 15 clients: http://imgur.com/a/VXHZb <http://imgur.com/a/VXHZb> 
> Server with 15 clients: http://imgur.com/a/ed4Pj <http://imgur.com/a/ed4Pj> 
> 
> Transporter’s code: http://codepad.org/I4eDSll3 <http://codepad.org/I4eDSll3>