USB: cdc: add MBIM extended functional descriptor structure (bfe9b3f8) · Commits · 戴 / test

This patch adds the MBIM extended functional descriptor structure defined in "Universal Serial Bus Communications Class Subclass Specification for Mobile Broadband Interface Model, Revision 1.0, Errata-1" published by USB-IF. Signed-off-by:

Ben Chan <benchan@chromium.org> Acked-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:

David S. Miller <davem@davemloft.net>

include/uapi/linux/usb/cdc.h

+12 −0

Original line number	Diff line number	Diff line
		@@ -56,6 +56,7 @@
		#define USB_CDC_OBEX_TYPE 0x15
		#define USB_CDC_NCM_TYPE 0x1a
		#define USB_CDC_MBIM_TYPE 0x1b
		#define USB_CDC_MBIM_EXTENDED_TYPE 0x1c

		/* "Header Functional Descriptor" from CDC spec 5.2.3.1 */
		struct usb_cdc_header_desc {
		@@ -205,6 +206,17 @@ struct usb_cdc_mbim_desc {
		__u8 bmNetworkCapabilities;
		} __attribute__ ((packed));

		/* "MBIM Extended Functional Descriptor" from CDC MBIM spec 1.0 errata-1 */
		struct usb_cdc_mbim_extended_desc {
		__u8 bLength;
		__u8 bDescriptorType;
		__u8 bDescriptorSubType;

		__le16 bcdMBIMExtendedVersion;
		__u8 bMaxOutstandingCommandMessages;
		__le16 wMTU;
		} __attribute__ ((packed));

		/-------------------------------------------------------------------------/

		/*

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