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authorMichael Brown <mcb30@ipxe.org>2015-02-02 14:41:19 +0000
committerMichael Brown <mcb30@ipxe.org>2015-02-03 12:33:35 +0000
commitcc5a27f9cbbc43c485c4eceab4bd091714be7505 (patch)
tree2285e53ea90ce4b9b3ad0d9a747e05f8562a0d8e /src/include/ipxe/cdc.h
parentfd53ada87cc3b715738e01d5470829b9948c1e09 (diff)
downloadipxe-cc5a27f9cbbc43c485c4eceab4bd091714be7505.tar.gz
[ncm] Add support for CDC-NCM USB Ethernet devices
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/include/ipxe/cdc.h')
-rw-r--r--src/include/ipxe/cdc.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/include/ipxe/cdc.h b/src/include/ipxe/cdc.h
new file mode 100644
index 000000000..2eec598a9
--- /dev/null
+++ b/src/include/ipxe/cdc.h
@@ -0,0 +1,38 @@
+#ifndef _IPXE_CDC_H
+#define _IPXE_CDC_H
+
+/** @file
+ *
+ * USB Communications Device Class (CDC)
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/usb.h>
+
+/** Class code for communications devices */
+#define USB_CLASS_CDC 2
+
+/** Ethernet descriptor subtype */
+#define CDC_SUBTYPE_ETHERNET 15
+
+/** Network connection notification */
+#define CDC_NETWORK_CONNECTION \
+ ( USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE | \
+ USB_REQUEST_TYPE ( 0x00 ) )
+
+/** Connection speed change notification */
+#define CDC_CONNECTION_SPEED_CHANGE \
+ ( USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE | \
+ USB_REQUEST_TYPE ( 0x2a ) )
+
+/** Connection speed change notification */
+struct cdc_connection_speed_change {
+ /** Downlink bit rate, in bits per second */
+ uint32_t down;
+ /** Uplink bit rate, in bits per second */
+ uint32_t up;
+} __attribute__ (( packed ));
+
+#endif /* _IPXE_CDC_H */