Date: Sat, 23 Jul 2005 01:40:20 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Ed Maste <emaste@phaedrus.sandvine.ca> Cc: freebsd-net@freebsd.org, gnn@FreeBSD.org Subject: Re: what to replace splnet in FreeBSD 5.x? Message-ID: <20050723013902.L40216@fledge.watson.org> In-Reply-To: <20050723012046.K40216@fledge.watson.org> References: <42CEF0EB.4000107@borderware.com> <42D006DB.8080108@errno.com> <20050712150224.GA38249@sandvine.com> <20050712162332.Q79478@fledge.watson.org> <20050712220452.GB38249@sandvine.com> <20050723012046.K40216@fledge.watson.org>
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On Sat, 23 Jul 2005, Robert Watson wrote:
> The attached patch introduces locking around the link layer and IPv4
> multicast address lists, as well as updates drivers to use the locking.
> It's a fairly large diff, but other than the changes to if.c, in.c, and
> igmp.c, is fairly mechanical. It may well correct the problem you've
> been seeing. If possible, and given sufficient review, I'd like to get
> this change into 6.0, especially given that it affects the layout of
> struct ifnet which is part of the ABI for network interface device
> drivers.
Updated version of the patch at:
http://www.watson.org/~robert/freebsd/netperf/20050523-multicast.diff
Spl-related cleanups (no longer useful documentation of old
synchronization in many places), lock order hard-coded into WITNESS order
rather than dynamically detected.
Robert N M Watson
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