* [dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf
@ 2014-01-11 4:31 James Yu
2014-01-11 5:13 ` Jayakumar, Muthurajan
0 siblings, 1 reply; 3+ messages in thread
From: James Yu @ 2014-01-11 4:31 UTC (permalink / raw)
To: dev
I found that it used to have l2fwd-vf in DPDK 1.2.3 release (
http://www.dpdk.org/browse/dpdk/tree/examples/l2fwd-vf/main.c?h=1.2.3)
But in the next release 1.3.1, that directory is gone. Does that mean it is
merged to some other tool ? Which tool can I use to send/receive L2 traffic
from SR-IOV ports.
In DPDK 1.3.1r2, to use use SR-IOV ports, should I use l2fwd-vf from 1.2.3
release or simply use l2fwd ?
Thanks
James
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf
2014-01-11 4:31 [dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf James Yu
@ 2014-01-11 5:13 ` Jayakumar, Muthurajan
2014-01-12 4:13 ` James Yu
0 siblings, 1 reply; 3+ messages in thread
From: Jayakumar, Muthurajan @ 2014-01-11 5:13 UTC (permalink / raw)
To: James Yu, dev
James,
You are right.
>From 1.3 release, the L2 Forwarding sample application (chapter 8.0 in 1.3 DPDK Sample Application User Guide) indicates that L2fwd and L2fwd-vf have been merged into one L2 sample application example.
(The Sample Application guide introduction referring the merge)
The L2 Forwarding sample application is a simple example of packet processing using Intel(r) Data Plane Development Kit (Intel(r) DPDK) which also takes advantage of Single Root I/O Virtualization (SR-IOV) features in a virtualized environment.
Note: Please note that previously a separate L2 Forwarding in Virtualized Environments sample application was used, however, in later Intel(r) DPDK versions these sample applications have been merged
Thanks,
M Jay
-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of James Yu
Sent: Friday, January 10, 2014 8:32 PM
To: dev@dpdk.org
Subject: [dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf
I found that it used to have l2fwd-vf in DPDK 1.2.3 release (
http://www.dpdk.org/browse/dpdk/tree/examples/l2fwd-vf/main.c?h=1.2.3)
But in the next release 1.3.1, that directory is gone. Does that mean it is merged to some other tool ? Which tool can I use to send/receive L2 traffic from SR-IOV ports.
In DPDK 1.3.1r2, to use use SR-IOV ports, should I use l2fwd-vf from 1.2.3 release or simply use l2fwd ?
Thanks
James
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf
2014-01-11 5:13 ` Jayakumar, Muthurajan
@ 2014-01-12 4:13 ` James Yu
0 siblings, 0 replies; 3+ messages in thread
From: James Yu @ 2014-01-12 4:13 UTC (permalink / raw)
To: Jayakumar, Muthurajan; +Cc: dev
Jayakumar,
Thanks for pointing this out.
I was using l2fwd in DPDK 1.3.1r2 but could not consistently passing one
directional traffic. I have the following question when using l2fwd:
1. Can I kill the l2fwd using ctrl-c on linux command and restart it again
? Would it be gracefully shutting it down ?
2. If I reboot the VM, would that recover the SR-IOV ?
3. Do I have to issue any commands on the guest or host, or reboot the host
after I restart l2fwd to make the SR-IOV work again ?
Sometime I could pass traffic one directional from Spirent. The traffic was
sent to port 1 and received on port 2. But the other direction sending
traffic to port 2, however, did not receive traffic on port 1.
I have posted the description and setup on the other email thread with this
title "[dpdk-dev] one directional traffic from SR-IOV port using l2fwd". If
you know how to make bi-directional traffic work, please reply to that
email thread.
Thanks.
James
On Fri, Jan 10, 2014 at 9:13 PM, Jayakumar, Muthurajan <
muthurajan.jayakumar@intel.com> wrote:
> James,
>
> You are right.
>
> From 1.3 release, the L2 Forwarding sample application (chapter 8.0 in 1.3
> DPDK Sample Application User Guide) indicates that L2fwd and L2fwd-vf have
> been merged into one L2 sample application example.
>
> (The Sample Application guide introduction referring the merge)
>
> The L2 Forwarding sample application is a simple example of packet
> processing using Intel(r) Data Plane Development Kit (Intel(r) DPDK) which
> also takes advantage of Single Root I/O Virtualization (SR-IOV) features in
> a virtualized environment.
> Note: Please note that previously a separate L2 Forwarding in Virtualized
> Environments sample application was used, however, in later Intel(r) DPDK
> versions these sample applications have been merged
>
> Thanks,
> M Jay
>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of James Yu
> Sent: Friday, January 10, 2014 8:32 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] send/receive L2 packets from SR-IOV ports using
> l2fwd-vf
>
> I found that it used to have l2fwd-vf in DPDK 1.2.3 release (
> http://www.dpdk.org/browse/dpdk/tree/examples/l2fwd-vf/main.c?h=1.2.3)
> But in the next release 1.3.1, that directory is gone. Does that mean it
> is merged to some other tool ? Which tool can I use to send/receive L2
> traffic from SR-IOV ports.
>
> In DPDK 1.3.1r2, to use use SR-IOV ports, should I use l2fwd-vf from 1.2.3
> release or simply use l2fwd ?
>
> Thanks
>
> James
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-01-12 4:12 UTC | newest]
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2014-01-12 4:13 ` James Yu
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