Re: proposed tcpdump dinner @IETF55

[David Young <dyoung () ojctech com>]

On Mon, Nov 11, 2002 at 11:23:56AM -0800, Bill Fenner wrote:
> >       4) add yours here.
>
> Multiple tap types (e.g. DLT_80211 + DLT_EN10MB) on the same device.
>
>   Bill

Just FYI, I have patched NetBSD's tcpdump for multiple tap types.
-L lists available DLTs.  -D sets a different DLT than the default.

NetBSD's libpcap has an API for listing/selecting DLTs, consisting of

  int pcap_list_datalinks(pcap_t *p, int **dlt_buffer)

and

  int pcap_set_datalink(pcap_t *p, int dlt).

Dave

-- 
David Young             OJC Technologies
dyoung () ojctech com      Engineering from the Right Brain
                        Urbana, IL * (217) 278-3933
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