wds-get-channel-rates reports 0 on EM7565

Amol Lad Amol.Lad at 4rf.com
Tue Nov 19 09:28:30 UTC 2019

Problem is in SWI9X50C_01.11.00.00 firmware as well. Problem comes in both QMI and MBIM mode.

root at OpenWrt:/# qmicli -d /dev/cdc-wdm0 -p --wds-get-channel-rates
Channel data rates:
        Current TX rate: 0bps
        Current RX rate: 0bps
        Max TX rate:     0bps
        Max RX rate:     0bps
root at OpenWrt:/# mmcli -m 0
  General  |            dbus path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: aadd8488904b109dca71798d1d02b18f1a58fc8f
  Hardware |         manufacturer: Sierra Wireless, Incorporated
           |                model: EM7565
           |    firmware revision: SWI9X50C_01.11.00.00 5ba42f jenkins 2019/06/28 09:51:52
           |       carrier config: default

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From: libqmi-devel <libqmi-devel-bounces at lists.freedesktop.org> On Behalf Of Thomas Schäfer
Sent: Tuesday, 19 November 2019 2:45 PM
To: libqmi-devel at lists.freedesktop.org
Subject: Re: wds-get-channel-rates reports 0 on EM7565

Am 19.11.19 um 09:49 schrieb Bjørn Mork:
> Aleksander Morgado <aleksander at aleksander.es> writes:
>>> Max Tx rate/Max Rx Rate are reported as 0bps for EM7565. They are reported correctly for EM7455. Is this modem issue or this commands is unsupported for EM7565?
>>> root at OpenWrt:/# qmicli -d /dev/cdc-wdm0  -p --wds-get-channel-rates
>>> Channel data rates:
>>>          Current TX rate: 0bps
>>>          Current RX rate: 0bps
>>>          Max TX rate:     0bps
>>>          Max RX rate:     0bps
>> This looks like an issue with the modem firmware itself. If you run
>> the qmicli command with --verbose, you'll see the contents of the
>> binary message returned by the device.
> Definitely a firmware problem.  I see the same on the EM7565 running
> SWI9X50C_01.09.04.00. Raw message is:

I updated yesterday to SWI9X50C_01.11.00.00.

Is it enough to switch it to qmi mode and to use the command from above?

Is it independent of normal linux/openwrt? Should I check both?

OT: I have some trouble with that device at the moment. Under linux it runs only in qmi-mode well and under Windows in mbim-mode.


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