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From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Parav Pandit <parav@mellanox.com>,
	Weihang Li <liweihang@huawei.com>,
	"dledford@redhat.com" <dledford@redhat.com>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	"linuxarm@huawei.com" <linuxarm@huawei.com>,
	Shiraz Saleem <shiraz.saleem@intel.com>
Subject: Re: Is anyone working on implementing LAG in ib core?
Date: Tue, 25 Feb 2020 09:58:51 +0200	[thread overview]
Message-ID: <20200225075851.GD5347@unreal> (raw)
In-Reply-To: <20200224182902.GS31668@ziepe.ca>

On Mon, Feb 24, 2020 at 02:29:02PM -0400, Jason Gunthorpe wrote:
> On Mon, Feb 24, 2020 at 12:52:06PM +0200, Leon Romanovsky wrote:
> > > Are you asking why bonding should be implemented as dedicated
> > > ulp/driver, and not as an extension by the vendor driver?
> >
> > No, I meant something different. You are proposing to combine IB
> > devices, while keeping netdev devices separated. I'm asking if it is
> > possible to combine netdev devices with already existing bond driver
> > and simply create new ib device with bond netdev as an underlying
> > provider.
>
> Isn't that basically what we do now in mlx5?

Yes, logically the same, the implementation of course should be
different by involving IB/core more than it is now.

>
> Logically the ib_device is attached to the bond, it uses the bond for
> IP addressing, etc.

Yes.

Thanks

  parent reply	other threads:[~2020-02-25  7:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-22  3:48 Is anyone working on implementing LAG in ib core? Weihang Li
2020-02-22 23:40 ` Jason Gunthorpe
2020-02-23  0:44   ` Parav Pandit
2020-02-23  9:49     ` Leon Romanovsky
2020-02-24  7:10       ` Parav Pandit
2020-02-24 10:52         ` Leon Romanovsky
2020-02-24 18:12           ` Parav Pandit
2020-02-24 18:29           ` Jason Gunthorpe
2020-02-24 19:01             ` Parav Pandit
2020-02-24 19:23               ` Jason Gunthorpe
2020-02-24 19:41                 ` Parav Pandit
2020-02-25  7:58             ` Leon Romanovsky [this message]
2020-03-02  7:22     ` liweihang

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