Re: Request for new Link-layer header type

[<HPfrommer () hilscher com>]

> -----Ursprüngliche Nachricht-----
> Von: tcpdump-workers-owner () lists tcpdump org [mailto:tcpdump-workers->owner () lists tcpdump org] Im Auftrag von 
> Guy Harris
> Gesendet: Donnerstag, 15. September 2011 22:46
> An: tcpdump-workers () lists tcpdump org
> Betreff: Re: [tcpdump-workers] Request for new Link-layer header type
>
>
> 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?

That's correct.



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