CONFIG_USB_CDC_COMPOSITE: CDC Composite Device (Ethernet and ACM)

General informations

The Linux kernel configuration item CONFIG_USB_CDC_COMPOSITE has multiple definitions:

The configuration item CONFIG_USB_CDC_COMPOSITE:

This driver provides two functions in one configuration: a CDC Ethernet (ECM) link, and a CDC ACM (serial port) link.

This driver requires four bulk and two interrupt endpoints, plus the ability to handle altsettings. Not all peripheral controllers are that capable.

Say "y" to link the driver statically, or "m" to build a dynamically linked module.

The configuration item CONFIG_USB_CDC_COMPOSITE:

This driver provides two functions in one configuration: a CDC Ethernet (ECM) link, and a CDC ACM (serial port) link.

This driver requires four bulk and two interrupt endpoints, plus the ability to handle altsettings. Not all peripheral controllers are that capable.

Say "y" to link the driver statically, or "m" to build a dynamically linked module.

Raw data from LKDDb:

lkddb module g_cdc CONFIG_USB_CDC_COMPOSITE : drivers/usb/gadget/Kconfig : "CDC Composite Device (Ethernet and ACM)" # in 2.6.27–2.6.39, 3.0–3.16
lkddb module g_cdc CONFIG_USB_CDC_COMPOSITE : drivers/usb/gadget/legacy/Kconfig : "CDC Composite Device (Ethernet and ACM)" # in 3.17–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

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Automatically generated (in year 2025). See also LKDDb sources on GitLab