1 files changed, 137 insertions, 216 deletions

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 3f783cbdc7c3..5bb53ae88969 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -84,18 +84,19 @@
  */
 
 #define DRIVER_DESC             "Ethernet Gadget"
-#define DRIVER_VERSION          "Equinox 2004"
+#define DRIVER_VERSION          "May Day 2005"
 
 static const char shortname [] = "ether";
 static const char driver_desc [] = DRIVER_DESC;
 
 #define RX_EXTRA        20              /* guard against rx overflows */
 
-#ifdef  CONFIG_USB_ETH_RNDIS
 #include "rndis.h"
-#else
-#define rndis_init() 0
-#define rndis_exit() do{}while(0)
+
+#ifndef CONFIG_USB_ETH_RNDIS
+#define rndis_uninit(x)         do{}while(0)
+#define rndis_deregister(c)     do{}while(0)
+#define rndis_exit()            do{}while(0)
 #endif
 
 /* CDC and RNDIS support the same host-chosen outgoing packet filters. */
@@ -140,9 +141,6 @@ struct eth_dev {
  * It also ASSUMES a self-powered device, without remote wakeup,
  * although remote wakeup support would make sense.
  */
-static const char *EP_IN_NAME;
-static const char *EP_OUT_NAME;
-static const char *EP_STATUS_NAME;
 
 /*-------------------------------------------------------------------------*/
 
@@ -312,6 +310,7 @@ static inline int rndis_active(struct eth_dev *dev)
 #define FS_BPS          (19 *  64 * 1 * 1000 * 8)
 
 #ifdef CONFIG_USB_GADGET_DUALSPEED
+#define DEVSPEED        USB_SPEED_HIGH
 
 static unsigned qmult = 5;
 module_param (qmult, uint, S_IRUGO|S_IWUSR);
@@ -330,6 +329,8 @@ static inline int BITRATE(struct usb_gadget *g)
 }
 
 #else   /* full speed (low speed doesn't do bulk) */
+#define DEVSPEED        USB_SPEED_FULL
+
 #define qlen(gadget) DEFAULT_QLEN
 
 static inline int BITRATE(struct usb_gadget *g)
@@ -395,7 +396,8 @@ static inline int BITRATE(struct usb_gadget *g)
 #define STRING_SUBSET                   8
 #define STRING_RNDIS                    9
 
-#define USB_BUFSIZ      256             /* holds our biggest descriptor */
+/* holds our biggest descriptor (or RNDIS response) */
+#define USB_BUFSIZ      256
 
 /*
  * This device advertises one configuration, eth_config, unless RNDIS
@@ -538,7 +540,7 @@ static const struct usb_cdc_call_mgmt_descriptor call_mgmt_descriptor = {
         .bDataInterface =       0x01,
 };
 
-static struct usb_cdc_acm_descriptor acm_descriptor = {
+static const struct usb_cdc_acm_descriptor acm_descriptor = {
         .bLength =              sizeof acm_descriptor,
         .bDescriptorType =      USB_DT_CS_INTERFACE,
         .bDescriptorSubType =   USB_CDC_ACM_TYPE,
@@ -846,7 +848,7 @@ static const struct usb_descriptor_header *hs_rndis_function [] = {
 #else
 
 /* if there's no high speed support, maxpacket doesn't change. */
-#define ep_desc(g,hs,fs) fs
+#define ep_desc(g,hs,fs) (((void)(g)), (fs))
 
 static inline void __init hs_subset_descriptors(void)
 {
@@ -946,10 +948,31 @@ config_buf (enum usb_device_speed speed,
 static void eth_start (struct eth_dev *dev, int gfp_flags);
 static int alloc_requests (struct eth_dev *dev, unsigned n, int gfp_flags);
 
-#ifdef  DEV_CONFIG_CDC
-static inline int ether_alt_ep_setup (struct eth_dev *dev, struct usb_ep *ep)
+static int
+set_ether_config (struct eth_dev *dev, int gfp_flags)
 {
-        const struct usb_endpoint_descriptor    *d;
+        int                                     result = 0;
+        struct usb_gadget                       *gadget = dev->gadget;
+
+        /* status endpoint used for RNDIS and (optionally) CDC */
+        if (!subset_active(dev) && dev->status_ep) {
+                dev->status = ep_desc (gadget, &hs_status_desc,
+                                                &fs_status_desc);
+                dev->status_ep->driver_data = dev;
+
+                result = usb_ep_enable (dev->status_ep, dev->status);
+                if (result != 0) {
+                        DEBUG (dev, "enable %s --> %d\n", 
+                                dev->status_ep->name, result);
+                        goto done;
+                }
+        }
+
+        dev->in = ep_desc (dev->gadget, &hs_source_desc, &fs_source_desc);
+        dev->in_ep->driver_data = dev;
+
+        dev->out = ep_desc (dev->gadget, &hs_sink_desc, &fs_sink_desc);
+        dev->out_ep->driver_data = dev;
 
         /* With CDC,  the host isn't allowed to use these two data
          * endpoints in the default altsetting for the interface.
@@ -959,135 +982,33 @@ static inline int ether_alt_ep_setup (struct eth_dev *dev, struct usb_ep *ep)
          * a side effect of setting a packet filter.  Deactivation is
          * from REMOTE_NDIS_HALT_MSG, reset from REMOTE_NDIS_RESET_MSG.
          */
-
-        /* one endpoint writes data back IN to the host */
-        if (strcmp (ep->name, EP_IN_NAME) == 0) {
-                d = ep_desc (dev->gadget, &hs_source_desc, &fs_source_desc);
-                ep->driver_data = dev;
-                dev->in = d;
-
-        /* one endpoint just reads OUT packets */
-        } else if (strcmp (ep->name, EP_OUT_NAME) == 0) {
-                d = ep_desc (dev->gadget, &hs_sink_desc, &fs_sink_desc);
-                ep->driver_data = dev;
-                dev->out = d;
-
-        /* optional status/notification endpoint */
-        } else if (EP_STATUS_NAME &&
-                        strcmp (ep->name, EP_STATUS_NAME) == 0) {
-                int                     result;
-
-                d = ep_desc (dev->gadget, &hs_status_desc, &fs_status_desc);
-                result = usb_ep_enable (ep, d);
-                if (result < 0)
-                        return result;
-
-                ep->driver_data = dev;
-                dev->status = d;
-        }
-        return 0;
-}
-#endif
-
-#if     defined(DEV_CONFIG_SUBSET) || defined(CONFIG_USB_ETH_RNDIS)
-static inline int ether_ep_setup (struct eth_dev *dev, struct usb_ep *ep)
-{
-        int                                     result;
-        const struct usb_endpoint_descriptor    *d;
-
-        /* CDC subset is simpler:  if the device is there,
-         * it's live with rx and tx endpoints.
-         *
-         * Do this as a shortcut for RNDIS too.
-         */
-
-        /* one endpoint writes data back IN to the host */
-        if (strcmp (ep->name, EP_IN_NAME) == 0) {
-                d = ep_desc (dev->gadget, &hs_source_desc, &fs_source_desc);
-                result = usb_ep_enable (ep, d);
-                if (result < 0)
-                        return result;
-
-                ep->driver_data = dev;
-                dev->in = d;
-
-        /* one endpoint just reads OUT packets */
-        } else if (strcmp (ep->name, EP_OUT_NAME) == 0) {
-                d = ep_desc (dev->gadget, &hs_sink_desc, &fs_sink_desc);
-                result = usb_ep_enable (ep, d);
-                if (result < 0)
-                        return result;
-
-                ep->driver_data = dev;
-                dev->out = d;
-        }
-
-        return 0;
-}
-#endif
-
-static int
-set_ether_config (struct eth_dev *dev, int gfp_flags)
-{
-        int                     result = 0;
-        struct usb_ep           *ep;
-        struct usb_gadget       *gadget = dev->gadget;
-
-        gadget_for_each_ep (ep, gadget) {
-#ifdef  DEV_CONFIG_CDC
-                if (!dev->rndis && dev->cdc) {
-                        result = ether_alt_ep_setup (dev, ep);
-                        if (result == 0)
-                                continue;
+        if (!cdc_active(dev)) {
+                result = usb_ep_enable (dev->in_ep, dev->in);
+                if (result != 0) {
+                        DEBUG(dev, "enable %s --> %d\n", 
+                                dev->in_ep->name, result);
+                        goto done;
                 }
-#endif
-
-#ifdef  CONFIG_USB_ETH_RNDIS
-                if (dev->rndis && strcmp (ep->name, EP_STATUS_NAME) == 0) {
-                        const struct usb_endpoint_descriptor    *d;
-                        d = ep_desc (gadget, &hs_status_desc, &fs_status_desc);
-                        result = usb_ep_enable (ep, d);
-                        if (result == 0) {
-                                ep->driver_data = dev;
-                                dev->status = d;
-                                continue;
-                        }
-                } else
-#endif
 
-                {
-#if     defined(DEV_CONFIG_SUBSET) || defined(CONFIG_USB_ETH_RNDIS)
-                        result = ether_ep_setup (dev, ep);
-                        if (result == 0)
-                                continue;
-#endif
+                result = usb_ep_enable (dev->out_ep, dev->out);
+                if (result != 0) {
+                        DEBUG (dev, "enable %s --> %d\n", 
+                                dev->in_ep->name, result);
+                        goto done;
                 }
-
-                /* stop on error */
-                ERROR (dev, "can't enable %s, result %d\n", ep->name, result);
-                break;
         }
-        if (!result && (!dev->in_ep || !dev->out_ep))
-                result = -ENODEV;
 
+done:
         if (result == 0)
                 result = alloc_requests (dev, qlen (gadget), gfp_flags);
 
         /* on error, disable any endpoints  */
         if (result < 0) {
-#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS)
-                if (dev->status)
+                if (!subset_active(dev))
                         (void) usb_ep_disable (dev->status_ep);
-#endif
                 dev->status = NULL;
-#if defined(DEV_CONFIG_SUBSET) || defined(CONFIG_USB_ETH_RNDIS)
-                if (dev->rndis || !dev->cdc) {
-                        if (dev->in)
-                                (void) usb_ep_disable (dev->in_ep);
-                        if (dev->out)
-                                (void) usb_ep_disable (dev->out_ep);
-                }
-#endif
+                (void) usb_ep_disable (dev->in_ep);
+                (void) usb_ep_disable (dev->out_ep);
                 dev->in = NULL;
                 dev->out = NULL;
         } else
@@ -1095,8 +1016,7 @@ set_ether_config (struct eth_dev *dev, int gfp_flags)
         /* activate non-CDC configs right away
          * this isn't strictly according to the RNDIS spec
          */
-#if defined(DEV_CONFIG_SUBSET) || defined(CONFIG_USB_ETH_RNDIS)
-        if (dev->rndis || !dev->cdc) {
+        if (!cdc_active (dev)) {
                 netif_carrier_on (dev->net);
                 if (netif_running (dev->net)) {
                         spin_unlock (&dev->lock);
@@ -1104,7 +1024,6 @@ set_ether_config (struct eth_dev *dev, int gfp_flags)
                         spin_lock (&dev->lock);
                 }
         }
-#endif
 
         if (result == 0)
                 DEBUG (dev, "qlen %d\n", qlen (gadget));
@@ -1124,6 +1043,7 @@ static void eth_reset_config (struct eth_dev *dev)
 
         netif_stop_queue (dev->net);
         netif_carrier_off (dev->net);
+        rndis_uninit(dev->rndis_config);
 
         /* disable endpoints, forcing (synchronous) completion of
          * pending i/o.  then free the requests.
@@ -1150,6 +1070,8 @@ static void eth_reset_config (struct eth_dev *dev)
         if (dev->status) {
                 usb_ep_disable (dev->status_ep);
         }
+        dev->rndis = 0;
+        dev->cdc_filter = 0;
         dev->config = 0;
 }
 
@@ -1162,9 +1084,6 @@ eth_set_config (struct eth_dev *dev, unsigned number, int gfp_flags)
         int                     result = 0;
         struct usb_gadget       *gadget = dev->gadget;
 
-        if (number == dev->config)
-                return 0;
-
         if (gadget_is_sa1100 (gadget)
                         && dev->config
                         && atomic_read (&dev->tx_qlen) != 0) {
@@ -1174,12 +1093,8 @@ eth_set_config (struct eth_dev *dev, unsigned number, int gfp_flags)
         }
         eth_reset_config (dev);
 
-        /* default:  pass all packets, no multicast filtering */
-        dev->cdc_filter = DEFAULT_FILTER;
-
         switch (number) {
         case DEV_CONFIG_VALUE:
-                dev->rndis = 0;
                 result = set_ether_config (dev, gfp_flags);
                 break;
 #ifdef  CONFIG_USB_ETH_RNDIS
@@ -1218,9 +1133,9 @@ eth_set_config (struct eth_dev *dev, unsigned number, int gfp_flags)
                 dev->config = number;
                 INFO (dev, "%s speed config #%d: %d mA, %s, using %s\n",
                                 speed, number, power, driver_desc,
-                                dev->rndis
+                                rndis_active(dev)
                                         ? "RNDIS"
-                                        : (dev->cdc
+                                        : (cdc_active(dev)
                                                 ? "CDC Ethernet"
                                                 : "CDC Ethernet Subset"));
         }
@@ -1231,6 +1146,13 @@ eth_set_config (struct eth_dev *dev, unsigned number, int gfp_flags)
 
 #ifdef  DEV_CONFIG_CDC
 
+/* The interrupt endpoint is used in CDC networking models (Ethernet, ATM)
+ * only to notify the host about link status changes (which we support) or
+ * report completion of some encapsulated command (as used in RNDIS).  Since
+ * we want this CDC Ethernet code to be vendor-neutral, we don't use that
+ * command mechanism; and only one status request is ever queued.
+ */
+
 static void eth_status_complete (struct usb_ep *ep, struct usb_request *req)
 {
         struct usb_cdc_notification     *event = req->buf;
@@ -1259,7 +1181,7 @@ static void eth_status_complete (struct usb_ep *ep, struct usb_request *req)
         } else if (value != -ECONNRESET)
                 DEBUG (dev, "event %02x --> %d\n",
                         event->bNotificationType, value);
-        event->bmRequestType = 0xff;
+        req->context = NULL;
 }
 
 static void issue_start_status (struct eth_dev *dev)
@@ -1276,6 +1198,8 @@ static void issue_start_status (struct eth_dev *dev)
          * a "cancel the whole queue" primitive since any
          * unlink-one primitive has way too many error modes.
          * here, we "know" toggle is already clear...
+         *
+         * FIXME iff req->context != null just dequeue it
          */
         usb_ep_disable (dev->status_ep);
         usb_ep_enable (dev->status_ep, dev->status);
@@ -1292,6 +1216,8 @@ static void issue_start_status (struct eth_dev *dev)
 
         req->length = sizeof *event;
         req->complete = eth_status_complete;
+        req->context = dev;
+
         value = usb_ep_queue (dev->status_ep, req, GFP_ATOMIC);
         if (value < 0)
                 DEBUG (dev, "status buf queue --> %d\n", value);
@@ -1351,9 +1277,9 @@ eth_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
         struct eth_dev          *dev = get_gadget_data (gadget);
         struct usb_request      *req = dev->req;
         int                     value = -EOPNOTSUPP;
-        u16                     wIndex = (__force u16) ctrl->wIndex;
-        u16                     wValue = (__force u16) ctrl->wValue;
-        u16                     wLength = (__force u16) ctrl->wLength;
+        u16                     wIndex = le16_to_cpu(ctrl->wIndex);
+        u16                     wValue = le16_to_cpu(ctrl->wValue);
+        u16                     wLength = le16_to_cpu(ctrl->wLength);
 
         /* descriptors just go into the pre-allocated ep0 buffer,
          * while config change events may enable network traffic.
@@ -1424,7 +1350,7 @@ eth_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                                 || !dev->config
                                 || wIndex > 1)
                         break;
-                if (!dev->cdc && wIndex != 0)
+                if (!cdc_active(dev) && wIndex != 0)
                         break;
                 spin_lock (&dev->lock);
 
@@ -1456,9 +1382,11 @@ eth_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 
                         /* CDC requires the data transfers not be done from
                          * the default interface setting ... also, setting
-                         * the non-default interface clears filters etc.
+                         * the non-default interface resets filters etc.
                          */
                         if (wValue == 1) {
+                                if (!cdc_active (dev))
+                                        break;
                                 usb_ep_enable (dev->in_ep, dev->in);
                                 usb_ep_enable (dev->out_ep, dev->out);
                                 dev->cdc_filter = DEFAULT_FILTER;
@@ -1492,11 +1420,11 @@ done_set_intf:
                                 || !dev->config
                                 || wIndex > 1)
                         break;
-                if (!(dev->cdc || dev->rndis) && wIndex != 0)
+                if (!(cdc_active(dev) || rndis_active(dev)) && wIndex != 0)
                         break;
 
                 /* for CDC, iff carrier is on, data interface is active. */
-                if (dev->rndis || wIndex != 1)
+                if (rndis_active(dev) || wIndex != 1)
                         *(u8 *)req->buf = 0;
                 else
                         *(u8 *)req->buf = netif_carrier_ok (dev->net) ? 1 : 0;
@@ -1509,8 +1437,7 @@ done_set_intf:
                  * wValue = packet filter bitmap
                  */
                 if (ctrl->bRequestType != (USB_TYPE_CLASS|USB_RECIP_INTERFACE)
-                                || !dev->cdc
-                                || dev->rndis
+                                || !cdc_active(dev)
                                 || wLength != 0
                                 || wIndex > 1)
                         break;
@@ -1534,7 +1461,7 @@ done_set_intf:
          */
         case USB_CDC_SEND_ENCAPSULATED_COMMAND:
                 if (ctrl->bRequestType != (USB_TYPE_CLASS|USB_RECIP_INTERFACE)
-                                || !dev->rndis
+                                || !rndis_active(dev)
                                 || wLength > USB_BUFSIZ
                                 || wValue
                                 || rndis_control_intf.bInterfaceNumber
@@ -1549,7 +1476,7 @@ done_set_intf:
         case USB_CDC_GET_ENCAPSULATED_RESPONSE:
                 if ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)
                                         == ctrl->bRequestType
-                                && dev->rndis
+                                && rndis_active(dev)
                                 // && wLength >= 0x0400
                                 && !wValue
                                 && rndis_control_intf.bInterfaceNumber
@@ -1688,10 +1615,8 @@ rx_submit (struct eth_dev *dev, struct usb_request *req, int gfp_flags)
          */
         size = (sizeof (struct ethhdr) + dev->net->mtu + RX_EXTRA);
         size += dev->out_ep->maxpacket - 1;
-#ifdef CONFIG_USB_ETH_RNDIS
-        if (dev->rndis)
+        if (rndis_active(dev))
                 size += sizeof (struct rndis_packet_msg_type);
-#endif  
         size -= size % dev->out_ep->maxpacket;
 
         if ((skb = alloc_skb (size + NET_IP_ALIGN, gfp_flags)) == 0) {
@@ -1735,11 +1660,9 @@ static void rx_complete (struct usb_ep *ep, struct usb_request *req)
         /* normal completion */
         case 0:
                 skb_put (skb, req->actual);
-#ifdef CONFIG_USB_ETH_RNDIS
                 /* we know MaxPacketsPerTransfer == 1 here */
-                if (dev->rndis)
+                if (rndis_active(dev))
                         status = rndis_rm_hdr (skb);
-#endif
                 if (status < 0
                                 || ETH_HLEN > skb->len
                                 || skb->len > ETH_FRAME_LEN) {
@@ -1859,8 +1782,6 @@ static void rx_fill (struct eth_dev *dev, int gfp_flags)
         struct usb_request      *req;
         unsigned long           flags;
 
-        clear_bit (WORK_RX_MEMORY, &dev->todo);
-
         /* fill unused rxq slots with some skb */
         spin_lock_irqsave (&dev->lock, flags);
         while (!list_empty (&dev->rx_reqs)) {
@@ -1883,11 +1804,9 @@ static void eth_work (void *_dev)
 {
         struct eth_dev          *dev = _dev;
 
-        if (test_bit (WORK_RX_MEMORY, &dev->todo)) {
+        if (test_and_clear_bit (WORK_RX_MEMORY, &dev->todo)) {
                 if (netif_running (dev->net))
                         rx_fill (dev, GFP_KERNEL);
-                else
-                        clear_bit (WORK_RX_MEMORY, &dev->todo);
         }
 
         if (dev->todo)
@@ -1971,8 +1890,7 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
          * or the hardware can't use skb buffers.
          * or there's not enough space for any RNDIS headers we need
          */
-#ifdef CONFIG_USB_ETH_RNDIS
-        if (dev->rndis) {
+        if (rndis_active(dev)) {
                 struct sk_buff  *skb_rndis;
 
                 skb_rndis = skb_realloc_headroom (skb,
@@ -1985,7 +1903,6 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
                 rndis_add_hdr (skb);
                 length = skb->len;
         }
-#endif
         req->buf = skb->data;
         req->context = skb;
         req->complete = tx_complete;
@@ -2018,9 +1935,7 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
         }
 
         if (retval) {
-#ifdef CONFIG_USB_ETH_RNDIS
 drop:
-#endif
                 dev->stats.tx_dropped++;
                 dev_kfree_skb_any (skb);
                 spin_lock_irqsave (&dev->lock, flags);
@@ -2036,27 +1951,31 @@ drop:
 
 #ifdef CONFIG_USB_ETH_RNDIS
 
-static void rndis_send_media_state (struct eth_dev *dev, int connect)
-{
-        if (!dev)
-                return;
-        
-        if (connect) {
-                if (rndis_signal_connect (dev->rndis_config))
-                        return;
-        } else {
-                if (rndis_signal_disconnect (dev->rndis_config))
-                        return;
-        }
-}
+/* The interrupt endpoint is used in RNDIS to notify the host when messages
+ * other than data packets are available ... notably the REMOTE_NDIS_*_CMPLT
+ * messages, but also REMOTE_NDIS_INDICATE_STATUS_MSG and potentially even
+ * REMOTE_NDIS_KEEPALIVE_MSG.
+ *
+ * The RNDIS control queue is processed by GET_ENCAPSULATED_RESPONSE, and
+ * normally just one notification will be queued.
+ */
+
+static struct usb_request *eth_req_alloc (struct usb_ep *, unsigned, unsigned);
+static void eth_req_free (struct usb_ep *ep, struct usb_request *req);
 
 static void
 rndis_control_ack_complete (struct usb_ep *ep, struct usb_request *req)
 {
+        struct eth_dev          *dev = ep->driver_data;
+
         if (req->status || req->actual != req->length)
-                DEBUG ((struct eth_dev *) ep->driver_data,
+                DEBUG (dev,
                         "rndis control ack complete --> %d, %d/%d\n",
                         req->status, req->actual, req->length);
+        req->context = NULL;
+
+        if (req != dev->stat_req)
+                eth_req_free(ep, req);
 }
 
 static int rndis_control_ack (struct net_device *net)
@@ -2071,11 +1990,19 @@ static int rndis_control_ack (struct net_device *net)
                 return -ENODEV;
         }
 
+        /* in case queue length > 1 */
+        if (resp->context) {
+                resp = eth_req_alloc (dev->status_ep, 8, GFP_ATOMIC);
+                if (!resp)
+                        return -ENOMEM;
+        }
+
         /* Send RNDIS RESPONSE_AVAILABLE notification;
          * USB_CDC_NOTIFY_RESPONSE_AVAILABLE should work too
          */
         resp->length = 8;
         resp->complete = rndis_control_ack_complete;
+        resp->context = dev;
         
         *((__le32 *) resp->buf) = __constant_cpu_to_le32 (1);
         *((__le32 *) resp->buf + 1) = __constant_cpu_to_le32 (0);
@@ -2089,6 +2016,10 @@ static int rndis_control_ack (struct net_device *net)
         return 0;
 }
 
+#else
+
+#define rndis_control_ack       NULL
+
 #endif  /* RNDIS */
 
 static void eth_start (struct eth_dev *dev, int gfp_flags)
@@ -2101,14 +2032,12 @@ static void eth_start (struct eth_dev *dev, int gfp_flags)
         /* and open the tx floodgates */ 
         atomic_set (&dev->tx_qlen, 0);
         netif_wake_queue (dev->net);
-#ifdef CONFIG_USB_ETH_RNDIS
-        if (dev->rndis) {
+        if (rndis_active(dev)) {
                 rndis_set_param_medium (dev->rndis_config,
                                         NDIS_MEDIUM_802_3,
                                         BITRATE(dev->gadget)/100);
-                rndis_send_media_state (dev, 1);
+                (void) rndis_signal_connect (dev->rndis_config);
         }
-#endif  
 }
 
 static int eth_open (struct net_device *net)
@@ -2149,28 +2078,27 @@ static int eth_stop (struct net_device *net)
                 }
         }
         
-#ifdef  CONFIG_USB_ETH_RNDIS
-        if (dev->rndis) {
+        if (rndis_active(dev)) {
                 rndis_set_param_medium (dev->rndis_config,
                                         NDIS_MEDIUM_802_3, 0);
-                rndis_send_media_state (dev, 0);
+                (void) rndis_signal_disconnect (dev->rndis_config);
         }
-#endif
 
         return 0;
 }
 
 /*-------------------------------------------------------------------------*/
 
-static struct usb_request *eth_req_alloc (struct usb_ep *ep, unsigned size)
+static struct usb_request *
+eth_req_alloc (struct usb_ep *ep, unsigned size, unsigned gfp_flags)
 {
         struct usb_request      *req;
 
-        req = usb_ep_alloc_request (ep, GFP_KERNEL);
+        req = usb_ep_alloc_request (ep, gfp_flags);
         if (!req)
                 return NULL;
 
-        req->buf = kmalloc (size, GFP_KERNEL);
+        req->buf = kmalloc (size, gfp_flags);
         if (!req->buf) {
                 usb_ep_free_request (ep, req);
                 req = NULL;
@@ -2192,10 +2120,8 @@ eth_unbind (struct usb_gadget *gadget)
         struct eth_dev          *dev = get_gadget_data (gadget);
 
         DEBUG (dev, "unbind\n");
-#ifdef CONFIG_USB_ETH_RNDIS
         rndis_deregister (dev->rndis_config);
         rndis_exit ();
-#endif
 
         /* we've already been disconnected ... no i/o is active */
         if (dev->req) {
@@ -2368,13 +2294,11 @@ autoconf_fail:
                         gadget->name);
                 return -ENODEV;
         }
-        EP_IN_NAME = in_ep->name;
         in_ep->driver_data = in_ep;     /* claim */
         
         out_ep = usb_ep_autoconfig (gadget, &fs_sink_desc);
         if (!out_ep)
                 goto autoconf_fail;
-        EP_OUT_NAME = out_ep->name;
         out_ep->driver_data = out_ep;   /* claim */
 
 #if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS)
@@ -2384,7 +2308,6 @@ autoconf_fail:
         if (cdc || rndis) {
                 status_ep = usb_ep_autoconfig (gadget, &fs_status_desc);
                 if (status_ep) {
-                        EP_STATUS_NAME = status_ep->name;
                         status_ep->driver_data = status_ep;     /* claim */
                 } else if (rndis) {
                         dev_err (&gadget->dev,
@@ -2426,7 +2349,7 @@ autoconf_fail:
         hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress;
         hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress;
 #if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS)
-        if (EP_STATUS_NAME)
+        if (status_ep)
                 hs_status_desc.bEndpointAddress =
                                 fs_status_desc.bEndpointAddress;
 #endif
@@ -2499,20 +2422,23 @@ autoconf_fail:
         SET_ETHTOOL_OPS(net, &ops);
 
         /* preallocate control message data and buffer */
-        dev->req = eth_req_alloc (gadget->ep0, USB_BUFSIZ);
+        dev->req = eth_req_alloc (gadget->ep0, USB_BUFSIZ, GFP_KERNEL);
         if (!dev->req)
                 goto fail;
         dev->req->complete = eth_setup_complete;
 
         /* ... and maybe likewise for status transfer */
+#ifdef DEV_CONFIG_CDC
         if (dev->status_ep) {
                 dev->stat_req = eth_req_alloc (dev->status_ep,
-                                        STATUS_BYTECOUNT);
+                                        STATUS_BYTECOUNT, GFP_KERNEL);
                 if (!dev->stat_req) {
                         eth_req_free (gadget->ep0, dev->req);
                         goto fail;
                 }
+                dev->stat_req->context = NULL;
         }
+#endif
 
         /* finish hookup to lower layer ... */
         dev->gadget = gadget;
@@ -2526,16 +2452,16 @@ autoconf_fail:
         netif_stop_queue (dev->net);
         netif_carrier_off (dev->net);
 
-        // SET_NETDEV_DEV (dev->net, &gadget->dev);
+        SET_NETDEV_DEV (dev->net, &gadget->dev);
         status = register_netdev (dev->net);
         if (status < 0)
                 goto fail1;
 
         INFO (dev, "%s, version: " DRIVER_VERSION "\n", driver_desc);
         INFO (dev, "using %s, OUT %s IN %s%s%s\n", gadget->name,
-                EP_OUT_NAME, EP_IN_NAME,
-                EP_STATUS_NAME ? " STATUS " : "",
-                EP_STATUS_NAME ? EP_STATUS_NAME : ""
+                out_ep->name, in_ep->name,
+                status_ep ? " STATUS " : "",
+                status_ep ? status_ep->name : ""
                 );
         INFO (dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
                 net->dev_addr [0], net->dev_addr [1],
@@ -2548,7 +2474,6 @@ autoconf_fail:
                         dev->host_mac [2], dev->host_mac [3],
                         dev->host_mac [4], dev->host_mac [5]);
 
-#ifdef  CONFIG_USB_ETH_RNDIS
         if (rndis) {
                 u32     vendorID = 0;
 
@@ -2565,7 +2490,7 @@ fail0:
                 /* these set up a lot of the OIDs that RNDIS needs */
                 rndis_set_host_mac (dev->rndis_config, dev->host_mac);
                 if (rndis_set_param_dev (dev->rndis_config, dev->net,
-                                         &dev->stats))
+                                         &dev->stats, &dev->cdc_filter))
                         goto fail0;
                 if (rndis_set_param_vendor (dev->rndis_config, vendorID,
                                             manufacturer))
@@ -2576,7 +2501,6 @@ fail0:
                         goto fail0;
                 INFO (dev, "RNDIS ready\n");
         }
-#endif  
 
         return status;
 
@@ -2610,11 +2534,8 @@ eth_resume (struct usb_gadget *gadget)
 /*-------------------------------------------------------------------------*/
 
 static struct usb_gadget_driver eth_driver = {
-#ifdef CONFIG_USB_GADGET_DUALSPEED
-        .speed          = USB_SPEED_HIGH,
-#else
-        .speed          = USB_SPEED_FULL,
-#endif
+        .speed          = DEVSPEED,
+
         .function       = (char *) driver_desc,
         .bind           = eth_bind,
         .unbind         = eth_unbind,