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From: Kamaraj P <pkamaraj@gmail.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Thomas Monjalon <thomas@monjalon.net>, dev <dev@dpdk.org>,
	 Anatoly Burakov <anatoly.burakov@intel.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	ksimha@cisco.com,  kalas@cisco.com, seveluch@cisco.com,
	 "techboard@dpdk.org" <techboard@dpdk.org>,
	hpai@cisco.com, ppitchai@cisco.com,
	 Aaron Conole <aconole@redhat.com>,
	"Kamaraj P (kamp)" <kamp@cisco.com>
Subject: Re: [dpdk-dev] Running DPDK application with non-previlege mode
Date: Tue, 31 Aug 2021 21:50:43 +0530	[thread overview]
Message-ID: <CAG8PAao9XyeC0dQ2v37U5US-QytEgBaOqpCcvD3eKOuWprvmsQ@mail.gmail.com> (raw)
In-Reply-To: <CAJFAV8x2Jgp056xSkonmWfBu+-7to=MpN0XAUY7610k-bXERKg@mail.gmail.com>

Thanks David. Will check it out.

BTW are there any steps where DPDK testpmd can run as a non privileged user
mode ( with any driver )?
Please share if you have any pointers.

Thanks,
Kamaraj

On Tue, Aug 31, 2021 at 9:05 PM David Marchand <david.marchand@redhat.com>
wrote:

> On Tue, Aug 31, 2021 at 5:27 PM Kamaraj P <pkamaraj@gmail.com> wrote:
> >
> > Hi Thomas,
> > We are trying with the IGB_UIO driver in our DPDK application.
>
> Running with igb-uio as a non priviledged user is not possible (or, at
> best, makes little sense).
>
>
> > Is there any documentation where we need to start to run a DPDK
> application with minimal system capability?
> > Also please let us know if there is any known dependency with DPDK
> versions (dpdk application with 18, 19.11 versions etc) when we run with
> sys capabilit.
> >
> > Hi David,
> > Can you please share with us the pointer for OVS integration(DPDK
> running as non-privileged mode ?)
>
> I don't have a full list, here is what I have in mind.
>
> For non mellanox devices, you'll have to rely on vfio-pci bound
> devices and setup access to those fds.
>
> https://github.com/openvswitch/ovs/blob/master/rhel/usr_lib_udev_rules.d_91-vfio.rules
>
> For mellanox devices and some parts of dpdk, you need (quite) some
> capabilities:
> https://github.com/openvswitch/ovs/blob/master/lib/daemon-unix.c#L812
>
> There are also hugepages accesses to consider:
>
> https://github.com/openvswitch/ovs/blob/master/rhel/usr_lib_systemd_system_ovs-vswitchd.service.in#L20
>
> There are selinux considerations too.
>
>
> --
> David Marchand
>
>

  reply	other threads:[~2021-08-31 16:20 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-30  7:37 [dpdk-dev] Running DPDK application without " Kamaraj P
2021-08-30  7:52 ` [dpdk-dev] Running DPDK application with " Kamaraj P
2021-08-30  8:37   ` Kamaraj P
2021-08-30 11:26   ` Ferruh Yigit
2021-08-30 11:45     ` Kamaraj P
2021-08-30 12:05       ` Thomas Monjalon
2021-08-30 11:59     ` Thomas Monjalon
2021-08-30 12:06       ` David Marchand
2021-08-31 15:27         ` Kamaraj P
2021-08-31 15:34           ` David Marchand
2021-08-31 16:20             ` Kamaraj P [this message]
2021-08-31 19:44               ` Bruce Richardson
2021-09-01 16:09                 ` Kamaraj P
2021-09-01 17:52                   ` Thomas Monjalon
2021-09-05 16:54                     ` Kamaraj P
2021-09-06 14:02                       ` Kamaraj P
2021-08-31 17:49             ` Aaron Conole

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