tcpdump mailing list archives
Re: Request for new Link-layer header type
From: Guy Harris <guy () alum mit edu>
Date: Thu, 15 Sep 2011 13:46:24 -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: typedef struct { uint32_t uiErrorCode : 8; uint32_t uiGpio : 1; uint32_t uiTransparent : 1; uint32_t uiHeaVersion : 4; uint32_t uiPort : 2; uint32_t uiLength : 12; uint32_t uiReserved : 4; } NETANA_HEADER_BIT_T;
...
Everything little-endian representation.
So the error code is in the lowermost 8 bits of the 32-bit value, with the Gpio bit above that, and so on, with the uppermost 4 bits being reserved? - This is the tcpdump-workers list. Visit https://cod.sandelman.ca/ to unsubscribe.
Current thread:
- Re: Request for new Link-layer header type, (continued)
- 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 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 (Sep 15)
- Re: Request for new Link-layer header type Guy Harris (Sep 15)
- Re: Request for new Link-layer header type HPfrommer (Sep 16)
- Re: Request for new Link-layer header type Guy Harris (Aug 30)