Re: [tcpdump-workers] Link type proposal, IEEE 802.1Qbu Frame Preemption Protocol

2017-12-01 Thread Anton Glukhov
Correct. I think that CRC(or mCRC for preemption) is also important and I would like to add it too. So finally we have: Preamble with SFD | Mac header | Payload | CRC/mCRC 2017-12-01 5:56 GMT+01:00 Guy Harris : > On Nov 30, 2017, at 2:27 AM, Anton Glukhov > wrote: > > > 1. You are right, I'm not

Re: [tcpdump-workers] Request for link-layer header type (XRA)

2017-12-01 Thread Bruno Verstuyft
2017-12-01 5:09 GMT+01:00 Guy Harris : > On Nov 29, 2017, at 5:57 AM, Bruno Verstuyft > wrote: > > > thanks for the remarks. The specification is now updated with more > > clarifications > > So "Segment Header Present" is 1 if it's present and 0 if it's absent? > indeed. This is updated in the d

Re: [tcpdump-workers] Request for link-layer header type (XRA)

2017-12-01 Thread Guy Harris
On Dec 1, 2017, at 3:34 AM, Bruno Verstuyft wrote: >> Type 75 is still labeled as "ODMA REQ" rather than "OFDMA REQ". Also, it >> says "ODMA REQ (75): as described by section 7.4.8 "REQ Messages" of the >> DOCSIS 3.1 Physical Layer Specification. This is the "REQ message in MAC" >> in figure 7-1

Re: [tcpdump-workers] Link type proposal, IEEE 802.1Qbu Frame Preemption Protocol

2017-12-01 Thread Guy Harris
On Dec 1, 2017, at 12:56 AM, Anton Glukhov wrote: > Correct. I think that CRC(or mCRC for preemption) is also important and I > would like to add it too. So finally we have: > Preamble with SFD | Mac header | Payload | CRC/mCRC OK, so I guess the idea is that the payload of this link type is wh