[Guy Harris <guy@xxxxxxxxxxxx>]

On Nov 9, 2006, at 1:19 PM, prashanth joshi wrote:

> The tvbuff_t * tvb parameter passed to the dissect_gtp :   Does it  
> contain only the gtp packet?

Only if there are no other protocols running atop GTP.  It contains  
the GTP packet including any "payload", which might include protocols  
running atop GTP.

> Or the buffer tvb contains the data corresponding to all the  
> protocols including the gtp protocol..

No.  It does not include any data from the protocols atop which GTP  
runs.