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authorBen Chan <benchan@chromium.org>2014-03-20 01:00:05 +0400
committerDavid S. Miller <davem@davemloft.net>2014-03-21 00:57:34 +0400
commitbfe9b3f8c5229e5de4fd18e941866bc410d16334 (patch)
tree94f85f3d9f37d0664e617403d180bd7fd4ee90dc
parent45ba5973c19fc1cd593ae249fda45c3f2badc6ef (diff)
downloadlinux-bfe9b3f8c5229e5de4fd18e941866bc410d16334.tar.xz
USB: cdc: add MBIM extended functional descriptor structure
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>
-rw-r--r--include/uapi/linux/usb/cdc.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/cdc.h b/include/uapi/linux/usb/cdc.h
index f35aa0a338c7..b6a9cdd6e096 100644
--- a/include/uapi/linux/usb/cdc.h
+++ b/include/uapi/linux/usb/cdc.h
@@ -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));
+
/*-------------------------------------------------------------------------*/
/*