Sorry, replied to fast and to OP only.
Below is one use case and a lot o things that Henning have said, put from
my point of view.
-- Forwarded message --
From: Raimundo Santos
Date: 14 October 2014 15:02
Subject: Re: NetMap in OpenBSD
To: Mikael
On 14 October 2014 11:33
* Henning Brauer [2014-10-14 20:52]:
> netmap is luigi's research framework, and he used it for some cool
> research an sure will do so more in the future. no more, no less.
I should clarify: I am aware of a few use cases that profit enormously
from netmap.
Let's look at what netmap really is, p
* Mikael [2014-10-14 16:35]:
> 2014-10-14 16:15 GMT+02:00 Henning Brauer :
> > > i.e. there's no way for a userland application to do high speed
> > > packet-level IO.
> > there are plenty of methods actually.
> Like what?
bpf, for example.
but since you still don't mention what problem you're t
On Oct 14 16:33:23, mikael.tr...@gmail.com wrote:
> Most devices in a system can be accessed with good performance from
> userland as it is now, for instance block devices, USB, serial ports, video
> and audio.
Repeat after me: userland is not supposed to "access devices".
It is supposed to talk t
2014-10-14 16:15 GMT+02:00 Henning Brauer :
> > Of course, OBSD has a very good stack as it is, but it has no NetMap
> > functionality
>
> yeah, and that is good. netmap bypasses teh stack and you look at
> reimplementing the stack in userland, repeating mistakes, bugs and
> whatnot from many deca
* Mikael [2014-10-14 14:57]:
> 2014-10-14 11:02 GMT+02:00 Henning Brauer :
>
> > * Mikael [2014-10-14 10:24]:
> > > NetMap (http://info.iet.unipi.it/~luigi/netmap/) in OpenBSD would be a
> > > great idea.
> > We kinda like our stack.
> Of course, OBSD has
On Tue, Oct 14, 2014 at 8:55 AM, Mikael wrote:
> Dear Henning,
>
> Thank you for your thoughtful response.
>
> 2014-10-14 11:02 GMT+02:00 Henning Brauer :
>
> > * Mikael [2014-10-14 10:24]:
> > > NetMap (http://info.iet.unipi.it/~luigi/netmap/) in Op
Dear Henning,
Thank you for your thoughtful response.
2014-10-14 11:02 GMT+02:00 Henning Brauer :
> * Mikael [2014-10-14 10:24]:
> > NetMap (http://info.iet.unipi.it/~luigi/netmap/) in OpenBSD would be a
> > great idea.
>
We kinda like our stack.
>
Of course, OBSD has
* Mikael [2014-10-14 10:24]:
> NetMap (http://info.iet.unipi.it/~luigi/netmap/) in OpenBSD would be a
> great idea.
for what?
to create even more broken userland networking stuff?
We kinda like our stack.
> What's the interest out there for NetMap on OBSD?
roughly somewhere betw
NetMap (http://info.iet.unipi.it/~luigi/netmap/) in OpenBSD would be a
great idea. It's a simple API for solving an important problem, at least
its core parts.
Is OBSD's kernel structure suited as it is for NetMap?
What's the interest out there for NetMap on OBSD?
Thanks,
Mikael
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