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 a very good stack as it is, but it has n
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 OpenBSD would be a
> > > great idea.
> >
>
>
> W
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 a very good stack as it
* 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 between 0 and zero.
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