Messages in this thread | | | Date | Fri, 28 Feb 2020 12:49:52 -0400 | From | Jason Gunthorpe <> | Subject | Re: Re: Re: possible deadlock in cma_netdev_callback |
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On Fri, Feb 28, 2020 at 04:42:02PM +0000, Bernard Metzler wrote:
> Well, right, marking a socket via setsockopt SO_BINDTODEVICE > does not work - I get -EPERM. Maybe works only from user land > since the ifname gets copied in from there. > > What I tested as working is nailing the scope of wildcard > listen via: > s->sk->sk_bound_dev_if = netdev->ifindex;
That sounds potentially right > I am not sure what is the right way of limiting the scope > of a socket to one interface in kernel mode. Is above line > the way to go, or do I miss an interface to do such things? > Anybody could help?
I didn't find an alternative, but not a lot of places touching this outside the implementators of a socket type. Jason
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