Date: Tue, 31 Aug 2004 13:51:02 -0700 From: Julian Elischer <julian@elischer.org> To: Brooks Davis <brooks@one-eyed-alien.net> Cc: freebsd-arch@freebsd.org Subject: Re: option directive and turning on AOE Message-ID: <4134E4B6.2030409@elischer.org> In-Reply-To: <20040831203929.GB25134@odin.ac.hmc.edu> References: <Pine.LNX.4.60.0408311611550.7530@athena> <4134DF35.7070605@freebsd.org> <20040831203929.GB25134@odin.ac.hmc.edu>
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Brooks Davis wrote: >On Tue, Aug 31, 2004 at 02:27:33PM -0600, Scott Long wrote: > > >>Sam wrote: >> >> >> >>>I've added code to if_ethersubr.c:/ether_demux/ >>>to queue up AoE frames as they appear. I followed >>>suit with other protocols and included my addition >>>inside of an #ifdef AOE. Where do I turn this on? >>>I thought perhaps just adding an 'option AOE' to >>>the config would do it, but it doesn't -- so clearly >>>I don't understand how the option directive works. >>>The config man page doesn't talk about option/device >>>directives ... >>> >>>I'm still looking, but a clue would be well received. >>> >>> >>Did you modify /sys/conf/options to tell it about your >>AOE option? If so, then you should have specified the name >>of a header file that the option would be #define'd into. >>Include that header file in if_ethersubr.c and you should >>have no problems. >> >>Incidentally, this might be an area when netgraph would be >>useful. Instead of having an AoE specific hook in the >>stack, you could have an AoE netgraph module that uses the >>existing netgraph hooks. It's just an idea, though. >> >> > >Another option might be a PFIL hook. There isn't one there now, but I >think I've seen talk of adding one. Actually, if we did that, we could >get most of the netgraph specific hooks out of the ethernet code. > or visa versa.. make pfil have a netgraph hook. then you could use it to filter all kinds of things in netgraph graphs. :-) > >-- Brooks > > >
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