From owner-freebsd-net  Thu Jan 17 18:30: 9 2002
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From: Archie Cobbs <archie@dellroad.org>
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Subject: Re: netgraph: how to setsockopt on ksocket node ?
In-Reply-To: <31440000.1011279577@blues.viagenie.qc.ca> "from Florent Parent
 at Jan 17, 2002 09:59:37 am"
To: Florent Parent <Florent.Parent@viagenie.qc.ca>
Date: Thu, 17 Jan 2002 18:16:08 -0800 (PST)
Cc: freebsd-net@FreeBSD.ORG
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Florent Parent writes:
> Anyone has an example on how to setsockopt on a ksocket node in netgraph?
> 
>     struct opts {
>         int level;
>         int name;
>         int value;
>     } myopts = { SOL_SOCKET, SO_REUSEADDR, 1
>     };
> 
>     ret = NgSendMsg(cs, epath, NGM_KSOCKET_COOKIE, NGM_KSOCKET_SETOPT,
>                           (struct ng_ksocket_sockopt *)&myopts, 
> sizeof(myopts)));
> 
> return error 14 "Bad address".
> 
> Did some tracing in ng_ksocket.c and the struct sockopt sent as argument to 
> sosetopt() seems to contains sane values:
> 
> sopt.sopt_val = 0xc182452c  (pointer dereferences to 1)
> sopt.sopt_valsize = 4

What kind of socket?

What version of FreeBSD?

That should work.. if the error is coming from the sosetopt()
call then it's a socket problem rather than a netgraph problem.

What if you create the socket normally and call setsockopt()?

Cheers,
-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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