what to replace splnet in FreeBSD 5.x?

[Robert Watson]

On Sat, 23 Jul 2005, Robert Watson wrote:

> 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.

Ed,

Have you had a chance to run with this patch as yet?  If possible, I'd 
like to get it merged to 7.x-CURRENT so we can backport it for 6.0.

Robert N M Watson