Usb over ip

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Configurare USB over IP Server pe Ubuntu 2X.04 LTS

Intr-un mediu enterprise in care se lucreaza cu foarte multe stiick-uri USB este nevoie ca acestea sa fie plasate intr-un mediu centralizat la care intreaga infrastuctura sa aiba acces. Prin intermediul USBIP stick-urile pot fi plasate intr-o singura locatie indiferent daca acestea sunt stick-uri de stocare, certificate SSL, semnaturi digitale, YubiKey-uri, modem 4G/5G sau Web Camera.

Instalare usbip

USBIP face parte in Ubuntu 2X.44 din luita de tool-uri linux-tools-generic. Pentru instalare se executa in consola:

# apt install linux-tools-generic

Se verifica daca kernelul are modulele disponibile:

# lsmod | grep usbip

...in unele situatii fiind necesara instalarea unor pachete specifice:

# apt install linux-tools-5.15.0-43-generic linux-cloud-tools-5.15.0-43-generic

Module usbip

USBIP are nevoie de 3 module dintre care doua de USB/IP si unul de virtual host controller

# modprobe usbip_core # modprobe usbip_host # modprobe vhci_hcd

Pentru ca aceste module sa fie activate la startup-ul de OS se adauga in lista de module incarcabile:

  • nano /etc/modules-load.d/modules.conf

usbip_core usbip_host vhci_hcd

Startup usbip

Pentru ca aplicatia sa porneasca la odata cu systemului de operare se creeaza un fisier de startup un systemctl

  • nano /etc/systemd/system/usbipd.service

[Unit] Description=USBIP Host Server After=network.target [Service] ExecStart=/usr/bin/usbipd -D ExecStop=/usr/bin/usbip --tcp-port 3240 --log Restart=on-failure User=root Type=forking StartLimitBurst=5 StartLimitIntervalSec=10 [Install] WantedBy=multi-user.target

Dupa creerea serviciului se executa:

# systemctl enable --now usbipd.service # systemctl status usbipd.service ● usbipd.service - USB/IP Host Service Loaded: loaded (/etc/systemd/system/usbipd.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2024-04-12 18:03:02 EEST; 25min ago Process: 696 ExecStart=/usr/bin/usbipd -D (code=exited, status=0/SUCCESS) Main PID: 728 (usbipd) Tasks: 1 (limit: 2220) Memory: 800.0K CPU: 18ms

Adaugare dispozitive USB server

Din acest moment dispozitivele USB pot fi adaugate in system. Mai jos este prezentat modul in care se face passtrue dispozitivelor USB intr-un hypervisor Proxmox VM

Dupa ce dispozitivele USB sunt adaugate fizis se trece la atasarea acestora in server:

Listare dispozitive USB

Listam dispozitivele USB atasate cu comanda lsusb:

# lsusb Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 005: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive Bus 002 Device 002: ID 13fe:4200 Kingston Technology Company Inc. Platinum USB drive mini

Pentru a vedea ce dispozitive pot fi parsate de catre aplicatie rulam:

# usbip list -p -l busid=2-2#usbid=13fe:4200# busid=2-4#usbid=090c:1000#

Atasarea dispozitive USB

Pentru a afla BUSID-ul fiecatui dispozitiv asa cum este inregistrat de usbip rulam:

# usbip list -l - busid 2-2 (13fe:4200) Kingston Technology Company Inc. : Platinum USB drive mini (13fe:4200) - busid 2-4 (090c:1000) Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) : Flash Drive (090c:1000) Vom atasa serverului cele doua dispozitive listate anterior:

# usbip bind -b 2-2 usbip: info: bind device on busid 2-2: complete # usbip bind -b 2-4 usbip: info: bind device on busid 2-4: complete

Atasarea dispozitive USB la pornirea OS

Pentru binding-ul dispozitivelor USB la pornirea de OS se ceeaza cate un serviciu de sistemd pentru fiecare dispozitiv in parte:

  • nano /etc/systemd/system/usbip_bus22.service

[Unit] Description=USB-IP Device Binding BUS 2-2 After=network-online.target Wants=network-online.target Requires=usbipd.service [Service] Type=oneshot ExecStart=/usr/bin/usbip bind --busid 2-2 [Install] WantedBy=multi-user.target # systemctl enable usbip_bus22.service

* Requires=usbipd.service este adaugat pentru ca bind-ul sa fie facut dupa ponirea aplicatiei de usbip

* Type=oneshot bind-ul este o actiune de se executa o singura data. Ne fiind un serviciu in sine systemctl status usbip_bus22.service va arata serviciul ca dead dar actiunea de bind este indeplinits


Configurare USB over IP Client pe Ubuntu 2X.04 LTS

Instalare usbip

Instalarea de usbip client se face la fel ca si cea de server inclusiv modulele insa nu mai este cazul ca serviciul de systemd sa fie activat


Listare dispozitive USB

Inainte de a atasa un dispozitiv USB montat din server facem o listare a dispozitivelor deja existente.

# lsusb Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

... iar apoi listam dispozitivele disponibile in server

# usbip list -r 192.168.1.203 Exportable USB devices ====================== - 192.168.1.203 2-4: Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) : Flash Drive (090c:1000)  : /sys/devices/pci0000:00/0000:00:1e.0/0000:02:1b.0/usb2/2-4  : (Defined at Interface level) (00/00/00) 2-2: Kingston Technology Company Inc. : Platinum USB drive mini (13fe:4200)  : /sys/devices/pci0000:00/0000:00:1e.0/0000:02:1b.0/usb2/2-2  : (Defined at Interface level) (00/00/00)


Atasarea dispozitive USB

Dupa identificarea busid-ului fiecarui dispozitiv disponibil in server (2-2 si 2-4 in cazul de fata), atasam dispozitivele USB la masina client

# usbip attach -r 192.168.1.203 -b 2-2 # usbip attach -r 192.168.1.203 -b 2-4

... si verificam faptul ca acestea au fost atasate:

# usbip port -l Imported USB devices ==================== Port 00: <Port in Use> at High Speed(480Mbps) Kingston Technology Company Inc. : Platinum USB drive mini (13fe:4200) 2-1 -> usbip://192.168.1.203:3240/2-2 -> remote bus/dev 002/002 Port 01: <Port in Use> at High Speed(480Mbps) Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) : Flash Drive (090c:1000) 2-2 -> usbip://192.168.1.203:3240/2-4 -> remote bus/dev 002/003

... iar apoi verificam dispozitivele usb disponibile in masina virtuala:

# lsusb Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 003: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive Bus 002 Device 002: ID 13fe:4200 Kingston Technology Company Inc. Platinum USB drive mini Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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