tcpdump mailing list archives
Re: Request for new Link-layer header type
From: Guy Harris <guy () alum mit edu>
Date: Thu, 1 Sep 2011 13:59:14 -0700
On Aug 31, 2011, at 4:03 AM, <HPfrommer () hilscher com> <HPfrommer () hilscher com> wrote:
Unfortunately there is no document online, but the structure is quite simple, it's just a 32-bit value containing some bit fields:
So a packet has a 32-bit value, followed by the Ethernet header, starting with the destination MAC address?
uiGpio: 0: comes for Ethernet port 1: comes for GPIO port
So if uiGpio is set, is what follows an Ethernet packet, or something else?
uiTransparent: 0: normal Ethernet mode 1: transparent capture mode
Is there any difference between the packets in those two modes?
uiLength: real frame length in bytes
How does that differ from the pcap length field? - This is the tcpdump-workers list. Visit https://cod.sandelman.ca/ to unsubscribe.
Current thread:
- Request for new Link-layer header type HPfrommer (Aug 30)
- Re: Request for new Link-layer header type Guy Harris (Aug 30)
- Re: Request for new Link-layer header type HPfrommer (Aug 31)
- Re: Request for new Link-layer header type Guy Harris (Sep 01)
- Re: Request for new Link-layer header type HPfrommer (Sep 05)
- Re: Request for new Link-layer header type Guy Harris (Sep 05)
- Re: Request for new Link-layer header type HPfrommer (Sep 05)
- Re: Request for new Link-layer header type Guy Harris (Sep 06)
- Re: Request for new Link-layer header type HPfrommer (Aug 31)
- Re: Request for new Link-layer header type Guy Harris (Sep 06)
- Re: Request for new Link-layer header type HPfrommer (Sep 06)
- Re: Request for new Link-layer header type Guy Harris (Sep 13)
- Re: Request for new Link-layer header type HPfrommer (Sep 14)
- Re: Request for new Link-layer header type Guy Harris (Sep 14)
- Re: Request for new Link-layer header type HPfrommer (Sep 14)
- Re: Request for new Link-layer header type Guy Harris (Aug 30)