Hello Pradeep, Il giorno lun 6 gen 2025 alle ore 05:03 Pradeep Gopanapalli <pradeep.gopanapa...@broadcom.com> ha scritto: > > Hello Daniele, > > Thanks for the reply. > Yes I had to add a similar patch for modemmanager.common for the mux > interface to work. > After following the steps given below I am able to dial into Multiplex > interfaces. > Now I need to figure out how to integrate maintaining state machines of these > interfaces into > our modem scripts. > Also does modemmanager allow combination of non-multiplex and multiplex > interface at same time? >
As far as I know this is not possible, since the qmap configuration affects the whole modem (see QMI_WDA_SET_DATA_FORMAT). Regards, Daniele > Here are steps followed for successful multiplex interface creation > > >> > > mmcli -m any --command='AT#DUALAPN=1' > > mmcli -m a --command='AT+WS46=36' > > mmcli -m any --set-current-bands=ngran-71 > > mmcli -m any --set-allowed-modes=5g > > > <Delete any non multiplex bearers> > #mmcli -m any --simple-connect="multiplex=required,apn=<>" > #mmcli -m any --set-allowed-modes=5g > #mmcli -m any --simple-connect="multiplex=required,profile-id=3,ip-type=ipv4" > > Thanks, > Pradeep G > << Disconnect bearer related to non-multiplex> > On Fri, Jan 3, 2025 at 1:52 AM Daniele Palmas <dnl...@gmail.com> wrote: >> >> Hello Pradeep, >> >> Il giorno ven 3 gen 2025 alle ore 02:37 Pradeep Gopanapalli >> <pradeep.gopanapa...@broadcom.com> ha scritto: >> > >> > Hello Dan, >> > >> > First of all Happy new year and thanks for the reply. >> > On further debugging it looks like we need a "rmnet" driver for Netlink >> > creation as slice interfaces. >> > https://dri.freedesktop.org/docs/drm/networking/device_drivers/cellular/qualcomm/rmnet.html >> > However Native Opernwrt -23.05 didn't had this module as part of packages, >> > so i had to compile it as a module >> > Kernel : 5.15.168 >> > >> > >> > I followed these steps >> > -mmcli -m a --command='AT+WS46=36' >> > insmod rmnet.ko >> > >> > <Delete all non-mux bearers> >> > >> > mmcli -m any >> > --simple-connect="multiplex=requested,profile-id=1,ip-type=ipv4v6" >> > >> > >> > And qmapmux0.0 creation failed with "imed out waiting for link port >> > 'net/qmapmux0.0'" >> > >> >> looks like something similar to the issue describe at >> http://paldan.altervista.org/openwrt-modemmanager-and-a-multiplexing-issue/ >> >> though the suspicious line is a bit different: >> >> hotplug: add network interface qmapmux0.0: event ignored: couldn't get >> physical device sysfs path >> >> Anyway, I fixed the issue reported above with >> https://github.com/openwrt/packages/pull/23551 >> >> If that does not work for you it could be a starting point for further >> investigation. >> >> Regards, >> Daniele >> >> > >> > >> >> > >> > = 1#012<<<<<< value = 03#012<<<<<< translated = >> > ipv4-or-ipv6#012<<<<<< TLV:#012<<<<<< type = "Profile Name" >> > (0x10)#012<<<<<< length = 8#012<<<<<< value = >> > 70:72:6F:66:69:6C:65:31#012<<<<<< translated = profile1#012 >> > 2025-01-03T01:07:05.468 DEBUG daemon ModemManager[32225]: <dbg> >> > [modem0/cdc-wdm0/qmi] multiplex support already available when setting up >> > data format >> > 2025-01-03T01:07:05.468 DEBUG daemon ModemManager[32225]: <dbg> >> > [modem0/cdc-wdm0/qmi] Creating RMNET link with flags: ingress-map-cksumv5, >> > egress-map-cksumv5 >> > 2025-01-03T01:07:05.486 DEBUG daemon ModemManager[32225]: <dbg> Using >> > dynamic mux ID 1 >> > 2025-01-03T01:07:05.489 NOTICE daemon ModemManager[32225]: <msg> >> > [modem0/bearer2] net link qmapmux0.0 created (mux id 1) >> > 2025-01-03T01:07:05.489 DEBUG daemon ModemManager[32225]: <dbg> [modem0] >> > waiting for port 'net/qmapmux0.0'... >> > 2025-01-03T01:07:05.492 INFO daemon linkd[7283]: create >> > None(qmapmux0.0): state=->down, oper=->down, carrier=->1 >> > 2025-01-03T01:06:47.253 WARNIN user kernel:[1451352.659164] ethtool: >> > net: disabled offload features for qmapmux0.0 >> > 2025-01-03T01:07:05.614 INFO daemon ModemManager[50632]: hotplug: add >> > network interface qmapmux0.0: event ignored: couldn't get physical device >> > sysfs path >> > 2025-01-03T01:07:07.991 WARNIN daemon ModemManager[32225]: <wrn> >> > [modem0/bearer2] connection attempt #1 failed: Timed out waiting for link >> > port 'net/qmapmux0.0' >> > 2025-01-03T01:07:07.991 NOTICE daemon ModemManager[32225]: <msg> [modem0] >> > state changed (connecting -> registered) >> > 2025-01-03T01:07:07.992 NOTICE daemon ModemManager[32225]: <msg> >> > [modem0/bearer2] connection #1 finished: duration 0s >> > 2025-01-03T01:07:07.992 WARNIN daemon ModemManager[32225]: <wrn> [modem0] >> > couldn't connect bearer: Timed out waiting for link port 'net/qmapmux0.0' >> > 2025-01-03T01:07:07.997 INFO daemon linkd[7283]: change >> > None(qmapmux0.0): state=down->down, oper=down->down, carrier=1->1 >> > 2025-01-03T01:07:08.004 INFO daemon ModemManager[50807]: hotplug: remove >> > network interface qmapmux0.0: event processed >> > 2025-01-03T01:07:08.015 DEBUG daemon ModemManager[32225]: <dbg> >> > [base-manager] kernel event reported: >> > 2025-01-03T01:07:08.015 DEBUG daemon ModemManager[32225]: <dbg> >> > [base-manager] action: remove >> > 2025-01-03T01:07:08.015 DEBUG daemon ModemManager[32225]: <dbg> >> > [base-manager] subsystem: net >> > 2025-01-03T01:07:08.015 DEBUG daemon ModemManager[32225]: <dbg> >> > [base-manager] name: qmapmux0.0 >> > 2025-01-03T01:07:08.015 DEBUG daemon ModemManager[32225]: <dbg> >> > [base-manager] uid: n/a >> > >> > >> > Thanks, >> > >> > Pradeep G >> > >> > >> > >> > On Tue, Dec 31, 2024 at 10:44 AM Dan Williams <d...@ioncontrol.co> wrote: >> >> >> >> On Sun, 2024-12-29 at 19:08 -0800, Pradeep Gopanapalli wrote: >> >> > Hello, >> >> > I am trying to establish multiple 5G multiplex slices on a Telit >> >> > FN990 modem running in QMI mode. These 5G slices represent multiple >> >> > PDNs managed by ModemManager (via mmcli). >> >> > >> >> > When using the "--test-multiplex-requested" option, the bearer setup >> >> > fails with the following Netlink error: >> >> > GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dio_2derror_2dquar >> >> > k.Code0: failed to create net link for device: failed to add link for >> >> > device: Could not allocate link: Failed to add link with mux id 1: >> >> > Netlink message with transaction 9 failed >> >> >> >> Unfortunately libqmi-glib doesn't print out the actual error we get >> >> from netlink, which I've fixed here: >> >> >> >> https://gitlab.freedesktop.org/mobile-broadband/libqmi/-/merge_requests/389 >> >> >> >> would you be able to apply that patch locally and reproduce the issue, >> >> so that we can figure out the actual error code netlink is returning? >> >> >> >> Thanks, >> >> Dan >> >> >> >> > >> >> > Environment: >> >> > * Modem: Telit FN990A28 in QMI mode >> >> > * ModemManager: 1.22.0 >> >> > * libqmi: 1.34.0-2 >> >> > * libmbim: 1.30.0-2 >> >> > * Kernel: 5.15.150 >> >> > * OpenWrt: Based on 22.03 using netifd >> >> > Debug Logs During Bearer Connection: >> >> > (PFA message_modem_debug) >> >> > 2024-12-28T00:38:03.709 DEBUG daemon ModemManager[9676]: >> >> > [1735346283.709521] [modem0/bearer1] connecting... >> >> > 2024-12-28T00:38:03.709 NOTICE daemon ModemManager[9676]: >> >> > [1735346283.709796] [modem0] state changed (registered -> connecting) >> >> > 2024-12-28T00:38:03.709 DEBUG daemon ModemManager[9676]: >> >> > [1735346283.709904] [modem0/bearer1] launching connection with QMI >> >> > port (cdc-wdm0) and data port (wwan0) (multiplex requested) >> >> > 2024-12-28T00:38:03.709 DEBUG daemon ModemManager[9676]: >> >> > [1735346283.709916] [cdc-wdm0/qmi] bringing down data interface >> >> > 'wwan0' >> >> > 2024-12-28T00:38:03.710 DEBUG daemon ModemManager[9676]: >> >> > [1735346283.710309] [cdc-wdm0/qmi] resetting expected kernel data >> >> > format to 802.3 in data interface 'wwan0' >> >> > 2024-12-28T00:38:03.897 WARN daemon ModemManager[9676]: >> >> > [1735346283.897197] [modem0/bearer1] connection attempt #1 failed: >> >> > failed to create net link for device: failed to add link for device: >> >> > Could not allocate link: Failed to add link with mux id 1: Netlink >> >> > message with transaction 1 failed >> >> > 2024-12-28T00:38:03.898 NOTICE daemon netifd: CELL1 (19170): error: >> >> > couldn't connect the modem: >> >> > 'GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dio_2derror_2dqua >> >> > rk.Code0: failed to create net link for device: failed to add link >> >> > for device: Could not allocate link: Failed to add link with mux id >> >> > 1: Netlink message with transaction 1 failed' >> >> > Similar Issue Reported: >> >> > This issue has been reported in the following GitLab issue: >> >> > GitLab ModemManager Issue #533, but I have not seen a resolution for >> >> > it. >> >> > Reference Links: >> >> > * ModemManager Mailing List - March 2022 >> >> > Any assistance or suggestions on resolving this issue would be >> >> > greatly appreciated. >> >> > Thanks, >> >> > Pradeep G >> >> > >> >> > >> >> > This electronic communication and the information and any files >> >> > transmitted with it, or attached to it, are confidential and are >> >> > intended solely for the use of the individual or entity to whom it is >> >> > addressed and may contain information that is confidential, legally >> >> > privileged, protected by privacy laws, or otherwise restricted from >> >> > disclosure to anyone else. If you are not the intended recipient or >> >> > the person responsible for delivering the e-mail to the intended >> >> > recipient, you are hereby notified that any use, copying, >> >> > distributing, dissemination, forwarding, printing, or copying of this >> >> > e-mail is strictly prohibited. If you received this e-mail in error, >> >> > please return the e-mail to the sender, delete it from your computer, >> >> > and destroy any printed copy of it. >> >> >> > >> > This electronic communication and the information and any files >> > transmitted with it, or attached to it, are confidential and are intended >> > solely for the use of the individual or entity to whom it is addressed and >> > may contain information that is confidential, legally privileged, >> > protected by privacy laws, or otherwise restricted from disclosure to >> > anyone else. If you are not the intended recipient or the person >> > responsible for delivering the e-mail to the intended recipient, you are >> > hereby notified that any use, copying, distributing, dissemination, >> > forwarding, printing, or copying of this e-mail is strictly prohibited. If >> > you received this e-mail in error, please return the e-mail to the sender, >> > delete it from your computer, and destroy any printed copy of it. > > > This electronic communication and the information and any files transmitted > with it, or attached to it, are confidential and are intended solely for the > use of the individual or entity to whom it is addressed and may contain > information that is confidential, legally privileged, protected by privacy > laws, or otherwise restricted from disclosure to anyone else. If you are not > the intended recipient or the person responsible for delivering the e-mail to > the intended recipient, you are hereby notified that any use, copying, > distributing, dissemination, forwarding, printing, or copying of this e-mail > is strictly prohibited. If you received this e-mail in error, please return > the e-mail to the sender, delete it from your computer, and destroy any > printed copy of it.
