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usb_canbus: Initial support for USB to CAN bridge mode

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Support a USB interface that shows up as a canbus adapter to linux.
Route both local and real canbus packets over that interface.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2022-06-08 21:03:11 -04:00
parent c8cc98ce5d
commit 790ff4d8d7
8 changed files with 782 additions and 15 deletions
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6
src/generic/usbstd.h
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@@ -8,6 +8,12 @@
#define USB_DIR_OUT 0 /* to device */
#define USB_DIR_IN 0x80 /* to host */
#define USB_TYPE_MASK (0x03 << 5)
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)
#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03