TREX: DPDK secondary process and build process

[Siddaraju DH]

Hello TREX team,

Thank you for the great tool and python automation library.

We got few questions and need some help on few topics.

1. Do we support building TREX with locally installed/built DPDK ?
2. There is a l2fwd DPDK application under trex-core/src/l2fwd/main.c. Can you please help us with quick build commands (waf?) for l2fwd app and how to launch it as secondary process along side TREX primary process?
   
3. If my understanding is correct, we are statically resolving all DPDK library functions into main_dpdk.cpp-->t-rex-64** app. Just for curiosity, was there a specific reason for choosing  static vs dynamic libraries? Are there any future plans to link and use the app with dynamic libraries? The reason for asking this is to make it easier to develop and run DPDK secondary processes along with TREX primary process.
   
4. Also, any plans to move build system to meson? Again this is coming from DPDK as it moved to using meson.

-Thanks
Siddaraju DH

[hanoh haim]

Hi, 

Good questions see inline 

On Wed, 10 Mar 2021 at 3:20 Siddaraju DH <sidda...@gmail.com> wrote:

Hello TREX team,

Thank you for the great tool and python automation library.

We got few questions and need some help on few topics.

1. Do we support building TREX with locally installed/built DPDK ? [hh] no
2. There is a l2fwd DPDK application under trex-core/src/l2fwd/main.c. Can you please help us with quick build commands (waf?) for l2fwd app and how to launch it as secondary process along side TREX primary process? [hh] ignore it, it is not maintained we should remove it
   
3. If my understanding is correct, we are statically resolving all DPDK library functions into main_dpdk.cpp-->t-rex-64** app. Just for curiosity, was there a specific reason for choosing  static vs dynamic libraries? Are there any future plans to link and use the app with dynamic libraries? The reason for asking this is to make it easier to develop and run DPDK secondary processes along with TREX primary process. [hh] there is no plan, I don’t think it is mandatory to use the same DPDK 
   
4. Also, any plans to move build system to meson? Again this is coming from DPDK as it moved to using meson. [hh] no plan. Two projects with two make systems. I think that moving to meson will help with the upgrade process but usually this is the easy part ..

-Thanks

Siddaraju DH

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Hanoh

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