Re: option directive and turning on AOE

From: Brooks Davis (brooks_at_one-eyed-alien.net)
Date: 08/31/04

  • Next message: Scott Long: "Re: option directive and turning on AOE" 
    Date: Tue, 31 Aug 2004 13:39:29 -0700
To: Scott Long <scottl@freebsd.org>

    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 

    -- 
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  • Next message: Scott Long: "Re: option directive and turning on AOE"

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