Date: Tue, 31 Aug 2004 13:39:29 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Scott Long <scottl@freebsd.org> Cc: freebsd-arch@freebsd.org Subject: Re: option directive and turning on AOE Message-ID: <20040831203929.GB25134@odin.ac.hmc.edu> In-Reply-To: <4134DF35.7070605@freebsd.org> References: <Pine.LNX.4.60.0408311611550.7530@athena> <4134DF35.7070605@freebsd.org>
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[-- Attachment #1 --] 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBNOIAXY6L6fI4GtQRAg5YAJ4lEaezZpnR+/CNR3tFJfataDutZgCfc64w OyOVBAkHghcChKKcdERpw+w= =fL4C -----END PGP SIGNATURE-----help
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