Date: Tue, 31 Aug 2004 16:42:09 -0500 (EST) From: Sam <sah@softcardsystems.com> To: Brooks Davis <brooks@one-eyed-alien.net> Cc: freebsd-arch@freebsd.org Subject: Re: option directive and turning on AOE Message-ID: <Pine.LNX.4.60.0408311641120.7530@athena> 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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OK, once i get it up I'll look into these other avenues to see if they're a cleaner approach. On Tue, 31 Aug 2004, 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. > > -- Brooks > > -- > Any statement of the form "X is the one, true Y" is FALSE. > PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 >
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