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 <[email protected]> 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 <[email protected]> wrote: > > Subject: [dpdk-users] Can not forward the message in DPDK > To: [email protected] > 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>
