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subsys: usb: host: Add USB Host CDC ECM Class Support for Ethernet #99097

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subsys: usb: host: Add USB Host CDC ECM Class Support for Ethernet #99097

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899d765
usb: host: set default HS bMaxPacketSize0 to 64
santhosh-c-c Feb 26, 2026
7968761
usb: host: class: add CDC ECM class support for USBH
santhosh-c-c Oct 29, 2025
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10 changes: 7 additions & 3 deletions subsys/usb/host/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,12 @@ zephyr_library()
zephyr_library_include_directories(${CMAKE_CURRENT_SOURCE_DIR})

zephyr_library_sources(
usbh_api.c
usbh_ch9.c
usbh_class.c
usbh_core.c
usbh_api.c
usbh_device.c
usbh_desc.c
usbh_class.c
usbh_device.c
)

zephyr_library_sources_ifdef(
Expand All @@ -24,6 +23,11 @@ zephyr_library_sources_ifdef(
class/usbh_uvc.c
)

zephyr_library_sources_ifdef(
CONFIG_USBH_CDC_ECM
class/usbh_cdc_ecm.c
)

zephyr_library_sources_ifdef(
CONFIG_USBIP
usbip.c
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1 change: 1 addition & 0 deletions subsys/usb/host/class/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -2,3 +2,4 @@
# SPDX-License-Identifier: Apache-2.0

rsource "Kconfig.uvc"
rsource "Kconfig.cdc_ecm_host"
25 changes: 25 additions & 0 deletions subsys/usb/host/class/Kconfig.cdc_ecm_host
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Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
# Copyright (c) 2026 Linumiz
# SPDX-License-Identifier: Apache-2.0

config USBH_CDC_ECM
bool "USB host CDC ECM class driver"
depends on USB_HOST_STACK
depends on NET_L2_ETHERNET
help
USB host class driver for CDC Ethernet Control Model (ECM) devices.

if USBH_CDC_ECM

config USBH_CDC_ECM_INSTANCES_COUNT
int "Number of CDC ECM class instances"
default 1
range 1 $(UINT8_MAX)
help
Number of USB host CDC ECM class driver instances.
Each instance can bind to one connected ECM device.

module = USBH_CDC_ECM
module-str = usbh_cdc_ecm
source "subsys/logging/Kconfig.template.log_config"

endif # USBH_CDC_ECM
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