From a92fb8d9a53ab9e534af4a9f4abe68f1160e99da Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 16 Feb 2015 14:05:45 +0000
Subject: [usb] Add generic USB network device framework

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/errfile.h |  1 +
 src/include/ipxe/usbnet.h  | 62 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 src/include/ipxe/usbnet.h

(limited to 'src/include/ipxe')

diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h
index 087475494..353d8ca3a 100644
--- a/src/include/ipxe/errfile.h
+++ b/src/include/ipxe/errfile.h
@@ -163,6 +163,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define ERRFILE_netvsc		     ( ERRFILE_DRIVER | 0x006b0000 )
 #define ERRFILE_ecm		     ( ERRFILE_DRIVER | 0x006c0000 )
 #define ERRFILE_ncm		     ( ERRFILE_DRIVER | 0x006d0000 )
+#define ERRFILE_usbnet		     ( ERRFILE_DRIVER | 0x006e0000 )
 
 #define ERRFILE_scsi		     ( ERRFILE_DRIVER | 0x00700000 )
 #define ERRFILE_arbel		     ( ERRFILE_DRIVER | 0x00710000 )
diff --git a/src/include/ipxe/usbnet.h b/src/include/ipxe/usbnet.h
new file mode 100644
index 000000000..b5c1e882c
--- /dev/null
+++ b/src/include/ipxe/usbnet.h
@@ -0,0 +1,62 @@
+#ifndef _IPXE_USBNET_H
+#define _IPXE_USBNET_H
+
+/** @file
+ *
+ * USB network devices
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/usb.h>
+
+/** A USB network device */
+struct usbnet_device {
+	/** USB function */
+	struct usb_function *func;
+
+	/** Communications interface */
+	unsigned int comms;
+	/** Data interface */
+	unsigned int data;
+	/** Alternate setting for data interface */
+	unsigned int alternate;
+
+	/** Interrupt endpoint */
+	struct usb_endpoint intr;
+	/** Bulk IN endpoint */
+	struct usb_endpoint in;
+	/** Bulk OUT endpoint */
+	struct usb_endpoint out;
+};
+
+/**
+ * Initialise USB network device
+ *
+ * @v usbnet		USB network device
+ * @v func		USB function
+ * @v intr		Interrupt endpoint operations
+ * @v in		Bulk IN endpoint operations
+ * @v out		Bulk OUT endpoint operations
+ */
+static inline __attribute__ (( always_inline )) void
+usbnet_init ( struct usbnet_device *usbnet, struct usb_function *func,
+	      struct usb_endpoint_driver_operations *intr,
+	      struct usb_endpoint_driver_operations *in,
+	      struct usb_endpoint_driver_operations *out ) {
+	struct usb_device *usb = func->usb;
+
+	usbnet->func = func;
+	usb_endpoint_init ( &usbnet->intr, usb, intr );
+	usb_endpoint_init ( &usbnet->in, usb, in );
+	usb_endpoint_init ( &usbnet->out, usb, out );
+}
+
+extern int usbnet_open ( struct usbnet_device *usbnet );
+extern void usbnet_close ( struct usbnet_device *usbnet );
+extern int usbnet_refill ( struct usbnet_device *usbnet );
+extern int usbnet_describe ( struct usbnet_device *usbnet,
+			     struct usb_configuration_descriptor *config );
+
+#endif /* _IPXE_USBNET_H */
-- 
cgit v1.2.3-55-g7522