[dpdk-users] devargs syntax to use MAC address for bond slaves

[dpdk-users] devargs syntax to use MAC address for bond slaves

[Greg O'Rawe]

Hi,

I'm using DPDK 17.11.5 to bond two interfaces via the vdev syntax, however the two interfaces are on the same NIC and share the same PCI address.

Is there a way to reference them using the devargs syntax by MAC address? It is discussed here https://patches.dpdk.org/patch/33808/

E.g.
class=eth,mac=00:11:22:33:44:55

I don't see this as an option in the bond PMD for slave interfaces even in the latest 19.05 release.

I'm trying to set this using VPP e.g. normally:
vdev eth_bond0,mode=1,slave=PCI1,slave=PCI2

Thanks
Greg



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Re: [dpdk-users] devargs syntax to use MAC address for bond slaves

[Thomas Monjalon]

Hi,

08/08/2019 18:28, Greg O'Rawe:
> Hi,
> 
> I'm using DPDK 17.11.5 to bond two interfaces via the vdev syntax, however the two interfaces are on the same NIC and share the same PCI address.
> 
> Is there a way to reference them using the devargs syntax by MAC address? It is discussed here https://patches.dpdk.org/patch/33808/
> 
> E.g.
> class=eth,mac=00:11:22:33:44:55
> 
> I don't see this as an option in the bond PMD for slave interfaces even in the latest 19.05 release.

It is implemented at ethdev level as a port iterator:
	http://git.dpdk.org/dpdk/commit/?id=8b9ea3b3ca

> I'm trying to set this using VPP e.g. normally:
> vdev eth_bond0,mode=1,slave=PCI1,slave=PCI2

In order to use this syntax with bonding slaves,
I think a patch is required.

Re: [dpdk-users] devargs syntax to use MAC address for bond slaves

[Thomas Monjalon]

+Cc Chas, the maintainer of the bonding PMD

10/08/2019 18:42, Thomas Monjalon:
> Hi,
> 
> 08/08/2019 18:28, Greg O'Rawe:
> > Hi,
> > 
> > I'm using DPDK 17.11.5 to bond two interfaces via the vdev syntax, however the two interfaces are on the same NIC and share the same PCI address.
> > 
> > Is there a way to reference them using the devargs syntax by MAC address? It is discussed here https://patches.dpdk.org/patch/33808/
> > 
> > E.g.
> > class=eth,mac=00:11:22:33:44:55
> > 
> > I don't see this as an option in the bond PMD for slave interfaces even in the latest 19.05 release.
> 
> It is implemented at ethdev level as a port iterator:
> 	http://git.dpdk.org/dpdk/commit/?id=8b9ea3b3ca
> 
> > I'm trying to set this using VPP e.g. normally:
> > vdev eth_bond0,mode=1,slave=PCI1,slave=PCI2
> 
> In order to use this syntax with bonding slaves,
> I think a patch is required.

Re: [dpdk-users] devargs syntax to use MAC address for bond slaves

[Greg O'Rawe]

Hi,

Thanks for the reply. Is such a patch to the bonding PMD feasible?

Thanks
Greg



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Re: [dpdk-users] devargs syntax to use MAC address for bond slaves

[Thomas Monjalon]

19/08/2019 17:56, Greg O'Rawe:
> Hi,
> 
> Thanks for the reply. Is such a patch to the bonding PMD feasible?

Probably yes.
You can try to do it, and work with Chas for help.