Date: Tue, 27 May 2008 13:49:20 -0700 From: Julian Elischer <julian@elischer.org> To: Marcel Moolenaar <xcllnt@mac.com> Cc: Ed Schouten <ed@80386.nl>, current@FreeBSD.org, arch@FreeBSD.org, Poul-Henning Kamp <phk@phk.freebsd.dk>, Robert Watson <rwatson@FreeBSD.org>, Ade Lovett <ade@FreeBSD.org>, net@FreeBSD.org, "Bruce M. Simpson" <bms@FreeBSD.org> Subject: Re: HEAD UP: non-MPSAFE network drivers to be disabled Message-ID: <483C73D0.8060709@elischer.org> In-Reply-To: <260F636A-8F72-411B-AED9-B029E1964003@mac.com> References: <51989.1211875439@critter.freebsd.dk> <483BC27C.6010102@elischer.org> <5229B4D7-40F0-4D45-93F1-244FA05E0304@mac.com> <483C49DC.3080108@elischer.org> <260F636A-8F72-411B-AED9-B029E1964003@mac.com>
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Marcel Moolenaar wrote: > > On May 27, 2008, at 10:50 AM, Julian Elischer wrote: > >> Marcel Moolenaar wrote: >>> On May 27, 2008, at 1:12 AM, Julian Elischer wrote: >>>> judging by the bug reports when things get broken there are still a >>>> lot of people connected to the internet via dial up lines in places >>>> off the beaten track, and still a lot of people who when travelling >>>> do use dialup still. Some of these also use mpd. I can not say how >>>> many plan to keep using this in the future but it may be that the >>>> simplest answer is a completely separate sio driver that >>>> just has netgraph hooks. I haven't talked with Ed yet but there >>>> may be may ways to solve this problem. >>> Take a look at uart(4). It has been designed to allow different >>> kernel interfaces. It currently supports TTYs and keyboards. It >>> should not be too hard to have it hook into netgraph. >>> FYI, >> >> >> While this is a good idea on it's own, the difference between >> what that achieves and what a line discipline achieves is that >> a line disciplin is hardware independent and can even be used >> on a virtual device. > > True, but you said: > "... the simplest answer is a completely separate sio driver...". > > This, besides not being true, is just as hardware dependent as > uart(4) is. It seems to me that you've conveniently changed the > subject to match your point of view :-) yep :-) we need to decide if the aim is to support just serial ports or any 'tty'.
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