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Property:nltest
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AVM-Command
| Command: | nltest - type Exec | Wiki | Freetz | IPPF | whmf | AVM | Web |
| Location: | Shell-Commands >> AVM-Commands - Origin: AVM | ||||||
| Path: | Release: Lab+Rel: /bin | ||||||
| Properties: | Size: 13.4k - 17.8k - Firmware: 7.39 - 7.90 | ||||||
| Function: | Netlink MDB / FDB test daemon. | ||||||
Goto: Examples - Endpoints - Events - Source - Dependencies - Model-Matrix - Symbols - SMW-Browser
Details
nltest is a test daemon to list or manipulate the MDB or FDB databases by aicmd.
It's also a (nl) test for the Netlink-Sockets NETLINK_ROUTE and NETLINK_GENERIC.
The FDB is the Forwarding Database containing relations like:
<mac-addr> via <bridge> on <port> [permanent] [master]
The MDB is the Multicast group Database containing relations like:
<ip-addr> via <device> on <bridge> [permanent]
See also the bridge command and the bridge(8) man page.
fw 7.39 help:
root@fritz:/var/mod/root# nltest -? usage: nltest [options] options: -? - print this help -D STRING - switch debug logs on. (FUNC) -z - run in background. (NOTSET) -b - listen for fdb/mdb changes via netlink. (NOTSET) -s - stop daemon. (NOTSET)
Examples
Only if the server is not running on fw 7.39:
root@fritz:/var/mod/root# nltest 16: nlctrl ver 2 hdrsiz 0 maxattr 7 mcast 16 (notify) 19: thermal_event ver 1 hdrsiz 0 maxattr 1 mcast 2 (thermal_mc_grp) 20: tcp_metrics ver 1 hdrsiz 0 maxattr 12 21: switch ver 1 hdrsiz 0 maxattr 24 22: l2tp ver 1 hdrsiz 0 maxattr 34 mcast 3 (l2tp) 23: pcp ver 1 hdrsiz 0 maxattr 24 mcast 4 (pcpannounce)
If the server is running you get the same on fw 7.39 calling:
root@fritz:/var/mod/root# aicmd nltest ewnwlinux show genetlink 16: nlctrl ver 2 hdrsiz 0 maxattr 7 mcast 16 (notify) 19: thermal_event ver 1 hdrsiz 0 maxattr 1 mcast 2 (thermal_mc_grp) 20: tcp_metrics ver 1 hdrsiz 0 maxattr 12 21: switch ver 1 hdrsiz 0 maxattr 24 22: l2tp ver 1 hdrsiz 0 maxattr 34 mcast 3 (l2tp) 23: pcp ver 1 hdrsiz 0 maxattr 24 mcast 4 (pcpannounce)
You can also call aicmd l2tpv3d ewnwlinux show genetlink independently of nltest and on pre 7.39 firmware.
More info in the NETLINK_GENERIC article.
Run nltest as daemon on fw 7.39:
root@fritz:/var/mod/root# nltest -z 1970-01-01 13:41:38 nltest[2749]: ready (1sec)
Endpoints
aicmd endpoint(s) provided by nltest, with these functions: (fw 7.39)
root@fritz:/var/mod/root# aicmd nltest # provided by nltest: - fw 7.39+ HELP - show help SLABDUMP - show slab allocation SLABSHOW - show slab information QUIT - disconnect fdb - fdb <add/del> <mac> <port> [permanent] [master] mdb - mdb <add/del> <ip addr> <port> <bridge> [permanent] show fdb [dev] - show fdb [dev bridge] [port port] show mdb [dev] - show mdb [dev bridge] [port port] # provided by libewnwlinux.so: - fw 7.01+ ewnwlinux show csockshell - show shells running ewnwlinux show genetlink - show gerneric netlink families # provided by libewnwlinux.so: - fw 7.90+ ewnwlinux netlink show - show internal information ewnwlinux netlink getroute [address] - get route for inet address ewnwlinux netlink interfaces - show interfaces ewnwlinux netlink routes [ 4 | 6 ] - show routes # provided by libavmcsock.so: - fw 7.01+ avmcsock show csock - show all csock avmcsock show dnsconfig - show all dns context avmcsock show timercb - show all timer avmcsock show debughandles - show all debughandles avmcsock show cprocess - show all processes avmcsock set debug - set debug flags # provided by libavmcsock.so: - fw 7.29+ avmcsock show cbcontext - show all cbdata avmcsock show daemon - show daemon status avmcsock show cbuf - show cbuf status # provided by libavmcsock.so: - fw 7.39+ avmcsock getsymbol <address> - get symbol for address avmcsock show dnsglobal - show all dns global values avmcsock show dnscache - show cache avmcsock show dnsqueries - show all pending queries avmcsock show avmipc [endpoint shmatch] - show avmipc events and states avmcsock ctimer show - show all timer avmcsock ctimer overview - show ctimer overview avmcsock iotrace format unctrl|hexdump - set format for csock iotrace avmcsock iotrace file - enable iotrace to file avmcsock iotrace enable - enable iotrace via debugmsg avmcsock iotrace disable - disable iotrace avmcsock iotrace match help|<match> - show allowed matches or set match avmcsock iotrace reset - remove all matches avmcsock iotrace show - show configuration # provided by libavmcsock.so: - fw 7.90+ avmcsock show signals - show signal handler avmcsock show connector [cache|stats] - show connector information avmcsock show clogger - show clogger information avmcsock set clogmod [ <module> [ '.' <submodule ] ... ] [ '=' <level> ] - set clogmod log level avmcsock slab check - red zone/free check avmcsock slab reap [heavy] - call slab_reap/slab_reap_heavy avmcsock slab dump [long] - show slab allocation avmcsock slab show - show slab information avmcsock slab ewma [show|activate|deactivate|reset] - show average allocates/freed per second avmcsock avmipc notifier [endpoint shmatch] - show registered notifier avmcsock avmipc set [endpoint shmatch] - show states/events sent avmcsock avmipc csv [endpoint shmatch] - show states/events sent and listing as csv
Events
Daily updated index of AVM-Events and AVMIPC-Datastore nodes affecting this command. Last update: 2023-12-10 05:13 GMT.
The owners of Event-Sinks and Event-Sources are manual research, which may be incomplete or even wrong.
A * in the Mod column marks info from Supportdata-Probes, which will always stay incomplete.
A ** in the Mod column marks info from Supportdata2 probes, which by their nature will stay way more incomplete.
A - in the Mod column marks manual research, the Firmware then shows where the item occurs, not the Relation.
| Relation | Typ | Object | Mod | Firmware | Info | Origin |
|---|---|---|---|---|---|---|
| Netlink | family | NETLINK_GENERIC | 1** | 7.39 | Generic Netlink (genetlink) family for simplified netlink usage (#16) | Linux |
| Multicast | group | AVMGGRP_NLCTRL_NOTIFY | 1** | 7.39 | Notification about changes in subscribed genetlink groups | AVM |
| Netlink | family | NETLINK_ROUTE | 1** | 7.39 | Communication channel between routing dæmons and the kernel packet forwarding (#0) | Linux |
| Multicast | group | RTMGRP_IPV4_IFADD | 1** | 7.39 | IPv4 address change of a Network-Interface | Linux |
| Multicast | group | RTMGRP_IPV4_ROUTE | 1** | 7.39 | IPv4 Routing Table change | Linux |
| Multicast | group | RTMGRP_IPV6_IFADDR | 1** | 7.39 | IPv6 address change of a Network-Interface | Linux |
| Multicast | group | RTMGRP_IPV6_ROUTE | 1** | 7.39 | IPv6 Routing Table change | Linux |
| Multicast | group | RTMGRP_LINK | 1** | 7.39 | Creation / deletion or up / down change of a Network-Interface. | Linux |
| Multicast | group | RTMGRP_NOTIFY | 1** | 7.39 | Enable notification about changes in subscribed rtnetlink groups | Linux |
| Multicast | group | RTMGRP_TC | 1** | 7.39 | Packet Scheduler Traffic Control change | Linux |
| 10 event relations for this command | ||||||
Source
The names of source files compiled into an executable often help to understand function blocks (and show gaps in the docs).
fw 7.39 source files:
$ strings /bin/nltest | grep -e '\.c$' -e '\.cpp$' <empty>
Dependencies
Daily updated index of all dependencies of this command. Last update: 2024-12-21 07:44 GMT.
A * in the Mod column marks info from Supportdata-Probes, which will always stay incomplete.
| Relation | Typ | Object | Mod | Firmware | Info | Origin |
|---|---|---|---|---|---|---|
| Depends on | lib | ld.so | 11 | 7.39 - 7.90 | Dynamic linker / loader | Linux |
| Depends on | lib | libavmcsock.so | 28 | 7.39 - 7.90 | Networking, I/O and helper functions | AVM |
| Depends on | lib | libavmwdt.so | 15 | 7.90 | AVM-Watchdogs management API | AVM |
| Depends on | lib | libc.so | 28 | 7.39 - 7.90 | Standard C library | Linux |
| Depends on | lib | libdl.so | 5 | 7.39 - 7.90 | Dynamic linking library | Linux |
| Depends on | lib | libewnwlinux.so | 28 | 7.39 - 7.90 | Linux networking functions | AVM |
| Depends on | lib | libpthread.so | 5 | 7.39 - 7.90 | POSIX threading library | Linux |
| Depends on | lib | librt.so | 5 | 7.39 - 7.90 | POSIX realtime extensions library | Linux |
| Depends on | lib | libsvctl.so | 28 | 7.39 - 7.90 | supervisor notification library | AVM |
| Depends on | lib | libwdt.so | 25 | 7.39 - 7.70 | AVM-Watchdogs management API | AVM |
| Depends on | lib | libz.so | 28 | 7.39 - 7.90 | Zlib compressor / decompressor | Linux |
| 11 dependencies for this command | ||||||
Model-Matrix
Daily updated index of the presence, path and size of this command for each model. Last update: 2024-12-21 05:44 GMT.
Showing all models using this command. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom/rtl) label in the Model column shows which CPU is meant for Multi-Linux models.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.
| Model | Firmware | Path | Size |
|---|---|---|---|
| FRITZ!Box 4040 | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 4050 | 7.90 | /bin | 13.6k |
| FRITZ!Box 4060 | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 5530 Fiber (main) | 7.39 - 7.70 | /bin | 14.4k |
| FRITZ!Box 5590 Fiber (main) | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 6490 Cable (atom) | 7.39 - 7.51 | /bin | 13.4k |
| FRITZ!Box 6590 Cable (atom) | 7.39 - 7.51 | /bin | 13.4k |
| FRITZ!Box 6591 Cable (atom) | 7.39 - 7.90 | /bin | 17.6k - 17.7k |
| FRITZ!Box 6660 Cable (atom) | 7.39 - 7.90 | /bin | 17.6k - 17.8k |
| FRITZ!Box 6670 Cable (atom) | 7.90 | /bin | 17.8k |
| FRITZ!Box 6690 Cable (atom) | 7.39 - 7.90 | /bin | 17.6k - 17.8k |
| FRITZ!Box 6820 LTE v1 (main) | 7.51 | /bin | 14.5k |
| FRITZ!Box 6820 LTE v2 (main) | 7.51 | /bin | 14.5k |
| FRITZ!Box 6820 LTE v3 (main) | 7.51 | /bin | 14.5k |
| FRITZ!Box 6850 LTE | 7.39 - 7.90 | /bin | 13.5k - 14.4k |
| FRITZ!Box 6850 5G | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 6890 LTE (main) | 7.39 - 7.51 | /bin | 14.4k |
| FRITZ!Box 6890 LTE v1 (main) | 7.39 - 7.51 | /bin | 14.4k |
| FRITZ!Box 6890 LTE v2 (main) | 7.39 - 7.51 | /bin | 14.4k |
| FRITZ!Box 7490 (main) | 7.51 | /bin | 14.5k |
| FRITZ!Box 7510 | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 7520 | 7.39 - 7.51 | /bin | 13.5k |
| FRITZ!Box 7520 v2 (main) | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 7530 | 7.39 - 7.90 | /bin | 13.5k - 13.6k |
| FRITZ!Box 7530 AX | 7.39 - 7.70 | /bin | 13.6k - 13.7k |
| FRITZ!Box 7590 (main) | 7.39 - 7.90 | /bin | 14.4k - 14.5k |
| FRITZ!Box 7590 AX (main) | 7.39 - 7.70 | /bin | 14.4k |
| FRITZ!Box 7690 | 7.90 | /bin | 13.6k |
| 28 models use this command | |||
Symbols
Daily updated index of all symbols of this command. Last update: 2024-12-21 07:44 GMT.
| Firmware | Symbol |
|---|---|
| 7.39 - 7.90 | main |
| 1 symbol for this command | |
