[dpdk-users] Using DPDK with a pre-existing C++ application compiled in Eclipse.

[Gaëtan Rivet]

On Tue, Jun 20, 2017 at 04:04:50PM +0100, terry.montague.1980 at btinternet.com wrote:
> 
> 
> Hi Gaëtan,
> 
> Its really only the net-i40e driver I need (for Intel XL710 cards). I'm not building DPDK itself as a shared library though.
> 

Where are you getting your prebuilt rte_ libs?
If you have the corresponding archive file, do you link rte_pmd_i40e?

> Best Regards
> 
> Terry
> 
> 
> 
> ----Original message----
> From : gaetan.rivet at 6wind.com
> Date : 20/06/17 - 15:57 (BST)
> To : terry.montague.1980 at btinternet.com
> Cc : users at dpdk.org
> Subject : Re: [dpdk-users] Using DPDK with a pre-existing C++ application compiled in Eclipse.
> 
> Hi,
> 
> On Tue, Jun 20, 2017 at 03:47:07PM +0100, terry.montague.1980 at btinternet.com wrote:
> > Hi there,
> > Please excuse what to some may appear to be an stupid question.
> > I'm trying to use DPDK with an existing C++ application on Linux, using Eclipse Neon.2 as the IDE due to the use of a lot of 3rd party libraries. I'm not using the DPDK build process with the .mk makefiles. I'm just linking to the prebuilt rte_ libs.
> > I have got the project to compile, but when running rte_eal_init() with some suitable arguments that I know to be good in a simple standalone application, the PMDs appear to be absent, so the app cannot probe any PCI devices.
> > Is there any way this approach is going to work, or do applications that use DPDK have to be compiled as per the example applications with rte.vars.mk/rte.extapp.mk ?
> > Thanks in advance.
> > Terry
> 
> Which NIC are you using? Which PMD do you need?
> 
> You can dynamically link specific DPDK drivers using -d in the EAL
> parameters. Note that using PMDs as dynamic libraries may slightly
> impair performances.
> 
> -- 
> Gaëtan Rivet
> 6WIND
> 
> 

-- 
Gaëtan Rivet
6WIND