From d2f0f4af4b655de9c63976be659288c88ae23953 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 7 Sep 2017 08:46:14 +0200 Subject: usb: gadget: usb_ether: Move the interfaces to Kconfig MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We need to select an interface for the usb_ether gadget, and they haven't been converted to Kconfig yet. Add a choice to make sure we have an option selected, and convert all the users. Reviewed-by: Łukasz Majewski Reviewed-by: Simon Glass Signed-off-by: Maxime Ripard --- drivers/usb/gadget/Kconfig | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 6558d2458b..7a1ee74a55 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -133,6 +133,34 @@ config USB_ETHER if USB_ETHER +choice + prompt "USB Ethernet Gadget Model" + default USB_ETH_RNDIS + help + There is several models (protocols) to implement Ethernet over USB + devices. The main ones are Microsoft's RNDIS and USB's CDC-Ethernet + (also called CDC-ECM). RNDIS is obviously compatible with Windows, + while CDC-ECM is not. Most other operating systems support both, so + if inter-operability is a concern, RNDIS is to be preferred. + +config USB_ETH_CDC + bool "CDC-ECM Protocol" + help + CDC (Communications Device Class) is the standard for Ethernet over + USB devices. While there's several alternatives, the most widely used + protocol is ECM (Ethernet Control Model). However, compatibility with + Windows is not that great. + +config USB_ETH_RNDIS + bool "RNDIS Protocol" + help + The RNDIS (Remote Network Driver Interface Specification) is a + Microsoft proprietary protocol to create an Ethernet device over USB. + Windows obviously supports it, as well as all the major operating + systems, so it's the best option for compatibility. + +endchoice + config USBNET_DEVADDR string "USB Gadget Ethernet device mac address" default "de:ad:be:ef:00:01" -- cgit v1.2.3