Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-09-12 Thread Guy Harris
On Aug 25, 2018, at 1:27 PM, Guy Harris wrote: > On Aug 25, 2018, at 1:10 PM, Matwey V. Kornilov > wrote: > >> Answering your questions and Michael question, the url describes the >> data coming from the hardware as is. Its format is defined by the >> people developing FPGA firmware, that is

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-09-12 Thread Matwey V. Kornilov
сб, 1 сент. 2018 г. в 5:37, Michael Richardson : > > > https://github.com/the-tcpdump-group/libpcap/commit/a69f42f7873db778613bbd5c4238acc2d0c31c89 > > /* >  * OpenVizsla http://openvizsla.org is open source USB analyzer hardware. >  * It consists of FPGA with attached USB phy and FTDI chip

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-25 Thread Guy Harris
On Aug 25, 2018, at 1:10 PM, Matwey V. Kornilov wrote: > Answering your questions and Michael question, the url describes the > data coming from the hardware as is. Its format is defined by the > people developing FPGA firmware, that is currently not quite active: >

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-25 Thread Matwey V. Kornilov
чт, 23 авг. 2018 г. в 6:11, Guy Harris : > > On Aug 22, 2018, at 1:57 AM, Matwey V. Kornilov > wrote: > > > Current OpenVizsla data encapsulation format is described here: > > https://github.com/matwey/libopenvizsla/wiki/OpenVizsla-protocol-description > > Why are: > > the magic header;

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-22 Thread Guy Harris
On Aug 22, 2018, at 1:57 AM, Matwey V. Kornilov wrote: > Current OpenVizsla data encapsulation format is described here: > https://github.com/matwey/libopenvizsla/wiki/OpenVizsla-protocol-description Why are: the magic header; the size field; needed? The magic number is

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-22 Thread Guy Harris
On Aug 22, 2018, at 10:45 AM, Matwey V. Kornilov wrote: > ср, 22 авг. 2018 г. в 20:31, Guy Harris : > >> So what *does* the data field there contain? > > The data is the captured USB packet starting from PID field. As specified by: Chapter 8 "Protocol Layer" of the USB 2.0

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-22 Thread Matwey V. Kornilov
ср, 22 авг. 2018 г. в 20:31, Guy Harris : > > On Aug 22, 2018, at 1:57 AM, Matwey V. Kornilov > wrote: > > > Unfortunately, data coming from OpenVizsla doesn't fit to any existing > > USB link layers headers. > > Current OpenVizsla data encapsulation format is described here: > >

Re: [tcpdump-workers] Link-layer header type request for libopenvizsla

2018-08-22 Thread Guy Harris
On Aug 22, 2018, at 1:57 AM, Matwey V. Kornilov wrote: > Unfortunately, data coming from OpenVizsla doesn't fit to any existing > USB link layers headers. > Current OpenVizsla data encapsulation format is described here: >