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From: "Lombardo, Ed" <Ed.Lombardo@netscout.com>
To: "users@dpdk.org" <users@dpdk.org>
Subject: Two DPDK instances in same Linux Process
Thread-Topic: Two DPDK instances in same Linux Process
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Hi,
I have a situation where our NIC driver uses DPDK 22.11 and comes up and pr=
ocess packets.  We added Suricata to our application and it also uses DPDK =
22.11.  Both the driver and Suricata are in the same Linux process.  When t=
he Suricata application starts and initializes DPDK with their own EAL init=
 call it fails.  I tried setting the driver DPDK as the primary and the Sur=
icata as the secondary but still fails.

The driver DPDK initialization occurs before the Suricata DPDK initializati=
on.

Also the driver DPDK has its own hugepages and Suricata has its own hugepag=
es.

What is the proper way to accommodate two DPDK instances in the same Linux =
application process?

Thanks,
Ed

--_000_CH3PR01MB8470D40F4F6758434F7F9A888F5A2CH3PR01MB8470prod_
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<p class=3D"MsoNormal">Hi,<o:p></o:p></p>
<p class=3D"MsoNormal">I have a situation where our NIC driver uses DPDK 22=
.11 and comes up and process packets.&nbsp; We added Suricata to our applic=
ation and it also uses DPDK 22.11.&nbsp; Both the driver and Suricata are i=
n the same Linux process.&nbsp; When the Suricata
 application starts and initializes DPDK with their own EAL init call it fa=
ils.&nbsp; I tried setting the driver DPDK as the primary and the Suricata =
as the secondary but still fails.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The driver DPDK initialization occurs before the Sur=
icata DPDK initialization.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Also the driver DPDK has its own hugepages and Suric=
ata has its own hugepages.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">What is the proper way to accommodate two DPDK insta=
nces in the same Linux application process?<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal">Ed<o:p></o:p></p>
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