Thanks for the suggestion, Marcus. When I right click and do "Decode as", it is not presenting RFNoC as one of the protocols in the menu list. Will look at it some more. Could there be any issue with RFNoC not being registered as a sub-dissector for USB protocol?
On Mon, Aug 3, 2020 at 9:04 AM Marcus Müller via USRP-users < [email protected]> wrote: > Hi Vikas, > > the ZPU dissector shouldn't help you (IIRC, there's no DUDEBRO protocol > between host and B2xx). However, yes, the RFNoC dissector is what has > become of the CHDR dissector. > > When I look at your screenshot, it looks to me as if Wireshark wasn't > told to actually decode the packets as RFNoC. Could you try right click > -> Decode as... and try that? > > Best regards, > > Marcus > > On 02.08.20 17:49, Vikas Jain via USRP-users wrote: > > Hi All, > > > > I am using a B210 running UHD implementation corresponding to the SHA > > commit (457192600b3c51d4ddfccac222f2a19d1a5b4995) on the master. Relevant > > git log snippet below: > > > > === > > commit 457192600b3c51d4ddfccac222f2a19d1a5b4995 > > Author: Brent Stapleton <[email protected]> > > Date: Mon Jan 6 12:19:56 2020 -0800 > > > > images: update FPGA image packages for RFNoC > > > > Updating FPGA image packages, filesystems, and submodule pointer to > > include recent RFNoC changes. > > === > > > > I am running the pdsch_enodeb example program (in srsLTE) which runs on > my > > Linux box and transmits a certain waveform over USB connected to B210. I > > captured the I/Q stream USB packets on the usbmon interface using > wireshark > > and noticed that the I/Q data packets are not getting parsed by the > > dissector. I have installed both the rfnoc.so and zpu.so dissector > plugins > > in the appropriate folders that wireshark is able to see (see attached > jpeg > > showing the plugins visible to wireshark). I am using wireshark version > 3.2. > > > > I have also attached a png file showing the wireshark output with the I/Q > > data USB packets captured but not being interpreted. Not sure if I am > > missing something. Appreciate any help or pointers to address this issue. > > > > > > Thanks. > > > > PS: I was looking at the UHD git log history and noticed the following > > commit wherein the tools/dissectors/packet-chdr.c file (which used to > > earlier contain the CHDR dissector implementation) was removed. I had > used > > earlier UHD implementations which did not had this change and was able to > > see the USB packets being dissected in wireshark. > > > > -- > > commit 9f29b9a556634e41d13fa298f9634b67fdd0a749 > > Author: Alex Williams <[email protected]> > > Date: Tue Jul 30 19:45:58 2019 -0700 > > > > tools: Update dissectors for Wireshark major version 3, new CHDR > > > > Dissectors may now be incompatible with earlier versions. > > Fixes ZPU dissector. > > > > > > _______________________________________________ > > USRP-users mailing list > > [email protected] > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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