Subject: Re: [PATCH v4 for-next 00/12] Add network namespace support in the RDMA-CM

From: Jason Gunthorpe <[email-masked]>
Date: Thu, 4 Jun 2015 10:06:08 -0600

On Thu, Jun 04, 2015 at 12:41:33PM +0300, Haggai Eran wrote:
> On 04/06/2015 00:45, Jason Gunthorpe wrote:

> > I don't know if that is a good idea, an unstable SLAAC is not in
> > spirit with the RFCs. The safest bet is to return error and disable
> > SLAAC completely.

> Maybe this is a silly question, but doesn't DAD already disable SLAAC
> addresses when there's a conflict?

Yes, DAD should certainly trigger and disable the child, but the
kernel should not rely on DAD for correctness, it is a safety net, and
it isn't guarenteed 100% reliable.

Jason