Re: PF_PACKET

From: Brian Fundakowski Feldman (green_at_freebsd.org)
Date: 06/28/04

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    Date: Mon, 28 Jun 2004 14:21:04 -0400
To: Lev Walkin <vlm@netli.com>

    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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