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List:       freebsd-hackers
Subject:    Re: PF_PACKET
From:       Brian Fundakowski Feldman <green () freebsd ! org>
Date:       2004-06-28 18:21:04
Message-ID: 20040628182104.GE5635 () green ! homeunix ! org
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On Fri, Jun 25, 2004 at 01:24:53PM -0700, Lev Walkin wrote:
> Ivan Voras wrote:
> >Lev Walkin wrote:
> >
> >>Ivan Voras wrote:
> >>
> >>>I'm trying to port open1x xsupplicant, and it uses PF_PACKET to get 
> >>>relevant packets (of appropriate ethernet type). I looked around in 
> >>>/usr/include and can't find the support, at least not under that and 
> >>>similar names. Is there support for it in FreeBSD?
> >>>
> >>>(I only need to catch & send a few packets now and then, not anything 
> >>>complex or bandwidth demanding).
> >>
> >>
> >>
> >>man bpf
> >
> >
> >
> >I've no experience with bpf, but It looks way too complex. And besides, 
> >the program is relaying on using sendto/recvfrom all over the place.
> 
> 
> it is actually pretty simple. man pcap. this is a wrapper around bpf
> which lets you do it in a couple lines of C code.

Just change the sendto/recvfrom calls to write/read.  It's not a lot of
work, the xsupplicant code just sucks period.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\
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