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authorSascha Hauer <s.hauer@pengutronix.de>2009-04-08 12:30:16 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2009-04-08 12:30:16 +0200
commitb548da81feaa271ab18716963f3d47fc493d46c7 (patch)
tree3d3747c300ccd601649f09d5976df36c492e5b4e /include/usb/usbnet.h
parent1be769ab303b8194a3c1a38411ab06585ec86c73 (diff)
downloadbarebox-b548da81feaa271ab18716963f3d47fc493d46c7.tar.gz
barebox-b548da81feaa271ab18716963f3d47fc493d46c7.tar.xz
Add usb include files missing from USB merge
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/usb/usbnet.h')
-rw-r--r--include/usb/usbnet.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/include/usb/usbnet.h b/include/usb/usbnet.h
new file mode 100644
index 0000000000..77f19603c2
--- /dev/null
+++ b/include/usb/usbnet.h
@@ -0,0 +1,185 @@
+/*
+ * USB Networking Link Interface
+ *
+ * Copyright (C) 2000-2005 by David Brownell <dbrownell@users.sourceforge.net>
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __LINUX_USB_USBNET_H
+#define __LINUX_USB_USBNET_H
+
+#include <net.h>
+#include <miiphy.h>
+
+/* interface from usbnet core to each USB networking link we handle */
+struct usbnet {
+ /* housekeeping */
+ struct usb_device *udev;
+ struct usb_interface *intf;
+ struct driver_info *driver_info;
+ const char *driver_name;
+ void *driver_priv;
+
+ /* i/o info: pipes etc */
+ unsigned in, out, status;
+ unsigned maxpacket;
+
+ /* protocol/interface state */
+ struct eth_device edev;
+ struct miiphy_device miiphy;
+
+ int msg_enable;
+ unsigned long data [5];
+ u32 xid;
+ u32 hard_mtu; /* count any extra framing */
+ size_t rx_urb_size; /* size for rx urbs */
+
+ unsigned long flags;
+# define EVENT_TX_HALT 0
+# define EVENT_RX_HALT 1
+# define EVENT_RX_MEMORY 2
+# define EVENT_STS_SPLIT 3
+# define EVENT_LINK_RESET 4
+ /* FIXME: Our eth_device should have this, not us! */
+ struct device_d dev;
+};
+
+#if 0
+static inline struct usb_driver *driver_of(struct usb_interface *intf)
+{
+ return to_usb_driver(intf->dev.driver);
+}
+#endif
+
+/* interface from the device/framing level "minidriver" to core */
+struct driver_info {
+ char *description;
+
+ int flags;
+/* framing is CDC Ethernet, not writing ZLPs (hw issues), or optionally: */
+#define FLAG_FRAMING_NC 0x0001 /* guard against device dropouts */
+#define FLAG_FRAMING_GL 0x0002 /* genelink batches packets */
+#define FLAG_FRAMING_Z 0x0004 /* zaurus adds a trailer */
+#define FLAG_FRAMING_RN 0x0008 /* RNDIS batches, plus huge header */
+
+#define FLAG_NO_SETINT 0x0010 /* device can't set_interface() */
+#define FLAG_ETHER 0x0020 /* maybe use "eth%d" names */
+
+#define FLAG_FRAMING_AX 0x0040 /* AX88772/178 packets */
+#define FLAG_WLAN 0x0080 /* use "wlan%d" names */
+
+
+ /* init device ... can sleep, or cause probe() failure */
+ int (*bind)(struct usbnet *);
+
+ /* cleanup device ... can sleep, but can't fail */
+ void (*unbind)(struct usbnet *);
+
+ /* reset device ... can sleep */
+ int (*reset)(struct usbnet *);
+
+ /* see if peer is connected ... can sleep */
+ int (*check_connect)(struct usbnet *);
+
+ /* for status polling */
+// void (*status)(struct usbnet *, struct urb *);
+
+ /* link reset handling, called from defer_kevent */
+ int (*link_reset)(struct usbnet *);
+
+ /* fixup rx packet (strip framing) */
+ int (*rx_fixup)(struct usbnet *dev, void *buf, int len);
+
+ int (*tx_fixup)(struct usbnet *dev, void *buf, int len, void *nbuf, int *nlen);
+
+ /* early initialization code, can sleep. This is for minidrivers
+ * having 'subminidrivers' that need to do extra initialization
+ * right after minidriver have initialized hardware. */
+ int (*early_init)(struct usbnet *dev);
+
+ /* called by minidriver when link state changes, state: 0=disconnect,
+ * 1=connect */
+ void (*link_change)(struct usbnet *dev, int state);
+
+ /* for new devices, use the descriptor-reading code instead */
+ int in; /* rx endpoint */
+ int out; /* tx endpoint */
+
+ unsigned long data; /* Misc driver specific data */
+};
+
+/* Minidrivers are just drivers using the "usbnet" core as a powerful
+ * network-specific subroutine library ... that happens to do pretty
+ * much everything except custom framing and chip-specific stuff.
+ */
+extern int usbnet_probe(struct usb_device *, const struct usb_device_id *);
+extern void usbnet_disconnect(struct usb_device *);
+
+
+/* Drivers that reuse some of the standard USB CDC infrastructure
+ * (notably, using multiple interfaces according to the CDC
+ * union descriptor) get some helper code.
+ */
+struct cdc_state {
+ struct usb_cdc_header_desc *header;
+ struct usb_cdc_union_desc *u;
+ struct usb_cdc_ether_desc *ether;
+ struct usb_interface *control;
+ struct usb_interface *data;
+};
+
+extern int usbnet_generic_cdc_bind (struct usbnet *, struct usb_device *);
+extern void usbnet_cdc_unbind (struct usbnet *, struct usb_device *);
+
+/* CDC and RNDIS support the same host-chosen packet filters for IN transfers */
+#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \
+ |USB_CDC_PACKET_TYPE_ALL_MULTICAST \
+ |USB_CDC_PACKET_TYPE_PROMISCUOUS \
+ |USB_CDC_PACKET_TYPE_DIRECTED)
+
+
+/* we record the state for each of our queued skbs */
+enum skb_state {
+ illegal = 0,
+ tx_start, tx_done,
+ rx_start, rx_done, rx_cleanup
+};
+
+struct skb_data { /* skb->cb is one of these */
+ struct urb *urb;
+ struct usbnet *dev;
+ enum skb_state state;
+ size_t length;
+};
+
+
+extern int usbnet_get_endpoints(struct usbnet *dev);
+#if 0
+extern void usbnet_defer_kevent (struct usbnet *, int);
+extern void usbnet_skb_return (struct usbnet *, struct sk_buff *);
+extern void usbnet_unlink_rx_urbs(struct usbnet *);
+
+extern int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd);
+extern int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd);
+extern u32 usbnet_get_link (struct net_device *net);
+extern u32 usbnet_get_msglevel (struct net_device *);
+extern void usbnet_set_msglevel (struct net_device *, u32);
+extern void usbnet_get_drvinfo (struct net_device *, struct ethtool_drvinfo *);
+extern int usbnet_nway_reset(struct net_device *net);
+#endif
+
+#endif /* __LINUX_USB_USBNET_H */