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  • Case ID: 300251
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nRF Sniffer for 802.15.4 doesn't appear on Wireshark interface

Md Mazedul Islam Khan

I am struggling to see nRF Sniffer for 802.15.4 as an interface in the Wireshark interface list under the startup welcome screen. I am using nRF62840-Dongle and flashed it by utilizing the nrf802154_sniffer_dongle.hex available under the GitHub nRF-Sniffer-for-802.15.4 repository. I didn't find a specific binary for nRF62840-Dongle device there.

  • Since I flashed the nRF62840-Dongle device using a mismatched binary nrf802154_sniffer_dongle.hex, is it the main cause of the issue? If so, where do I get the correct binary for the nRF62840-Dongle device?

I have Python 3 installation with Homebrew including Pip 3. I have listed the relevant installation path in the following:

  • which python: python not found
  • which pip: /usr/local/bin/pip
  • which python3: /usr/local/bin/python3
  • which pip3: /usr/local/bin/pip3

I installed pyserial using pip3 install pyserial. I copied the nrf802154_sniffer.py file under the ~/.config/wireshark/extcap location which is a Personal Extcap path.

When running the python3 nrf802154_sniffer.py --extcap-interfaces command, it outputs the following valid confirmation:

extcap {version=0.7.2}{help=https://github.com/NordicSemiconductor/nRF-Sniffer-for-802.15.4}{display=nRF Sniffer for 802.15.4}
interface {value=/dev/cu.usbmodemF1BD057D01BB1}{display=nRF Sniffer for 802.15.4}
control {number=6}{type=button}{role=logger}{display=Log}{tooltip=Show capture log}

So, what am I missing? Why nRF Sniffer for 802.15.4 interface isn't appearing on the Wireshark Custom Interface list?

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  • 0 in reply to Sigurd Hellesvik

    I see, What is package manager. Can you share the link for the same? That will help me.

    Also regarding nrf802.15.4_sniffer.py --extcap-interfaces - does display the characters as show in your pic. The only thing missing is i am using rpm wireshark version 2.1.1.

    Does nrf dongle support for wireshark 2.1.1?

    [root@pc12rve3 nrf802154_sniffer]# python3 nrf802154_sniffer.py --extcap-interfaces
    extcap {version=0.7.2}{help=github.com/.../nRF-Sniffer-for-802.15.4}{display=nRF Sniffer for 802.15.4}
    interface {value=/dev/ttyACM0}{display=nRF Sniffer for 802.15.4}
    control {number=6}{type=button}{role=logger}{display=Log}{tooltip=Show capture log}
    [root@pc12rve3 nrf802154_sniffer]#

    But i dont see the device in wireshark -D interfaces

    [root@pc12rve3 nrf802154_sniffer]# sudo tshark -i /dev/ttyACM0
    Running as user "root" and group "root". This could be dangerous.
    Capturing on '/dev/ttyACM0'
    tshark: The capture session could not be initiated on interface '/dev/ttyACM0' (/dev/ttyACM0: SIOCETHTOOL(ETHTOOL_GET_TS_INFO) ioctl failed: No such device).
    Please check to make sure you have sufficient permissions, and that you have the proper interface or pipe specified.
    0 packets captured

  • 0 in reply to JANC
    JANC said:
    I see, What is package manager. Can you share the link for the same? That will help me.

    https://itsfoss.com/package-manager/

    JANC said:
    But i dont see the device in wireshark -D interfaces

    Do you see anything in the Wireshark GUI?

    JANC said:
    [root@pc12rve3 nrf802154_sniffer]# sudo tshark -i /dev/ttyACM0
    Running as user "root" and group "root". This could be dangerous.

    Try to run this as a user and not as root.

    Which firmware do you run on the dongle?

  • 0 in reply to Sigurd Hellesvik

    Hi,

    Yes I am using RPM package manager and installed the wireshark.

    GUI also doesn't show up the interfaces. But the usb is enumerated as /dev/ttyACM0.

    Dongle firmware is loaded in the dongle nrf802154_sniffer_dongle.hex was loaded. The same dongle captures packets in windows platform.

    The issue is only with Linux plactform.

    Does nrf dongle work on FC25 kernel version 4.8.6, wireshark version 2.0.1?

    I am blocked because of this, could you let me know what else should be checked?

    When i run the python file, 

    [root@pc12rve3 nrf802154_sniffer]# python3 nrf802154_sniffer.py --extcap-interfaces
    extcap {version=0.7.2}{help=github.com/.../nRF-Sniffer-for-802.15.4}{display=nRF Sniffer for 802.15.4}
    interface {value=/dev/ttyACM0}{display=nRF Sniffer for 802.15.4}
    control {number=6}{type=button}{role=logger}{display=Log}{tooltip=Show capture log}
    [root@pc12rve3 nrf802154_sniffer]#

    The output is as expected, then why the interfaces is not listed.

  • 0 in reply to JANC

    I tried using it as user as well, i dont see the nrf sniffer as an interface.

  • 0 in reply to JANC
    JANC said:
    Does nrf dongle work on FC25 kernel version 4.8.6, wireshark version 2.0.1?

    I have not heard about any system requirements for the dongle before, so I assume it should work for something like this as well.

    JANC said:

    Dongle firmware is loaded in the dongle nrf802154_sniffer_dongle.hex was loaded. The same dongle captures packets in windows platform.

    The issue is only with Linux plactform.

    Good to know, then we know that the dongle should work.

    JANC said:
    I tried using it as user as well, i dont see the nrf sniffer as an interface.

    Try to add the user to the correct user groups for USB access. The group for this is often dialout, but it may vary with distros.
    See for example https://askubuntu.com/questions/133235/how-do-i-allow-non-root-access-to-ttyusb0

    Also, which output do you get from "

    wireshark -D interfaces

    "

    ?

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