CONFIG_USB_NET_CDC_EEM=y
CONFIG_USB_NET_CDC_MBIM=y
CONFIG_USB_NET_DM9601=y
+CONFIG_USB_NET_DM9620=y
CONFIG_USB_NET_SMSC75XX=y
CONFIG_USB_NET_SMSC95XX=y
CONFIG_USB_NET_GL620A=y
This option adds support for Davicom DM9601 based USB 1.1
10/100 Ethernet adapters.
+config USB_NET_DM9620
+ tristate "Davicom DM9620 based USB 2.0 10/100 ethernet devices"
+ depends on USB_USBNET
+ select CRC32
+ help
+ This option adds support for Davicom DM9620 based USB 2.0
+ 10/100 Ethernet adapters.
+
config USB_NET_SMSC75XX
tristate "SMSC LAN75XX based USB 2.0 gigabit ethernet devices"
depends on USB_USBNET
obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o
obj-$(CONFIG_USB_NET_DM9601) += dm9601.o
+obj-$(CONFIG_USB_NET_DM9620) += dm9620.o
obj-$(CONFIG_USB_NET_SMSC75XX) += smsc75xx.o
obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o
obj-$(CONFIG_USB_NET_GL620A) += gl620a.o
+++ /dev/null
-/*
- * USB Network driver infrastructure
- * Copyright (C) 2000-2005 by David Brownell
- * 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
- */
-
-/*
- * This is a generic "USB networking" framework that works with several
- * kinds of full and high speed networking devices: host-to-host cables,
- * smart usb peripherals, and actual Ethernet adapters.
- *
- * These devices usually differ in terms of control protocols (if they
- * even have one!) and sometimes they define new framing to wrap or batch
- * Ethernet packets. Otherwise, they talk to USB pretty much the same,
- * so interface (un)binding, endpoint I/O queues, fault handling, and other
- * issues can usefully be addressed by this framework.
- */
-
-#define DEBUG // error path messages, extra info
-// #define VERBOSE // more; success messages
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ctype.h>
-#include <linux/ethtool.h>
-#include <linux/workqueue.h>
-#include <linux/mii.h>
-#include <linux/usb.h>
-/*#include <linux/usb/usbnet.h>*/
-
-#include "asix.h"
-#include "axusbnet.h"
-
-#define DRIVER_VERSION "22-Aug-2005"
-#define TAG "AX88xx------>"
-
-static void axusbnet_unlink_rx_urbs(struct usbnet *);
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * Nineteen USB 1.1 max size bulk transactions per frame (ms), max.
- * Several dozen bytes of IPv4 data can fit in two such transactions.
- * One maximum size Ethernet packet takes twenty four of them.
- * For high speed, each frame comfortably fits almost 36 max size
- * Ethernet packets (so queues should be bigger).
- *
- * REVISIT qlens should be members of 'struct usbnet'; the goal is to
- * let the USB host controller be busy for 5msec or more before an irq
- * is required, under load. Jumbograms change the equation.
- */
-#define RX_MAX_QUEUE_MEMORY (60 * 1518)
-#define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4)
-#define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4)
-
-// reawaken network queue this soon after stopping; else watchdog barks
-//#define TX_TIMEOUT_JIFFIES (5*HZ)
-#define TX_TIMEOUT_JIFFIES (30*HZ)
-
-// throttle rx/tx briefly after some faults, so khubd might disconnect()
-// us (it polls at HZ/4 usually) before we report too many false errors.
-#define THROTTLE_JIFFIES (HZ/8)
-
-// between wakeups
-#define UNLINK_TIMEOUT_MS 3
-
-/*-------------------------------------------------------------------------*/
-
-static const char driver_name [] = "axusbnet";
-
-/* use ethtool to change the level for any given device */
-static int msg_level = -1;
-module_param (msg_level, int, 0);
-MODULE_PARM_DESC (msg_level, "Override default message level");
-
-/*-------------------------------------------------------------------------*/
-
-/* handles CDC Ethernet and many other network "bulk data" interfaces */
-static
-int axusbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
-{
- int tmp;
- struct usb_host_interface *alt = NULL;
- struct usb_host_endpoint *in = NULL, *out = NULL;
- struct usb_host_endpoint *status = NULL;
-
- for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
- unsigned ep;
-
- in = out = status = NULL;
- alt = intf->altsetting + tmp;
-
- /* take the first altsetting with in-bulk + out-bulk;
- * remember any status endpoint, just in case;
- * ignore other endpoints and altsetttings.
- */
- for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
- struct usb_host_endpoint *e;
- int intr = 0;
-
- e = alt->endpoint + ep;
- switch (e->desc.bmAttributes) {
- case USB_ENDPOINT_XFER_INT:
- if (!(e->desc.bEndpointAddress & USB_DIR_IN))
- continue;
- intr = 1;
- /* FALLTHROUGH */
- case USB_ENDPOINT_XFER_BULK:
- break;
- default:
- continue;
- }
- if (e->desc.bEndpointAddress & USB_DIR_IN) {
- if (!intr && !in)
- in = e;
- else if (intr && !status)
- status = e;
- } else {
- if (!out)
- out = e;
- }
- }
- if (in && out)
- break;
- }
- if (!alt || !in || !out)
- return -EINVAL;
-
- if (alt->desc.bAlternateSetting != 0
- || !(dev->driver_info->flags & FLAG_NO_SETINT)) {
- tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber,
- alt->desc.bAlternateSetting);
- if (tmp < 0)
- return tmp;
- }
-
- dev->in = usb_rcvbulkpipe (dev->udev,
- in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
- dev->out = usb_sndbulkpipe (dev->udev,
- out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
- dev->status = status;
- return 0;
-}
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-static void intr_complete (struct urb *urb, struct pt_regs *regs);
-#else
-static void intr_complete (struct urb *urb);
-#endif
-
-static int init_status (struct usbnet *dev, struct usb_interface *intf)
-{
- char *buf = NULL;
- unsigned pipe = 0;
- unsigned maxp;
- unsigned period;
-
- if (!dev->driver_info->status)
- return 0;
-
- pipe = usb_rcvintpipe (dev->udev,
- dev->status->desc.bEndpointAddress
- & USB_ENDPOINT_NUMBER_MASK);
- maxp = usb_maxpacket (dev->udev, pipe, 0);
-
- /* avoid 1 msec chatter: min 8 msec poll rate */
- period = max ((int) dev->status->desc.bInterval,
- (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3);
-
- buf = kmalloc (maxp, GFP_KERNEL);
- if (buf) {
- dev->interrupt = usb_alloc_urb (0, GFP_KERNEL);
- if (!dev->interrupt) {
- kfree (buf);
- return -ENOMEM;
- } else {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
- dev->interrupt->transfer_flags |= URB_ASYNC_UNLINK;
-#endif
- usb_fill_int_urb(dev->interrupt, dev->udev, pipe,
- buf, maxp, intr_complete, dev, period);
- devdbg(dev,
- "status ep%din, %d bytes period %d",
- usb_pipeendpoint(pipe), maxp, period);
- }
- }
- return 0;
-}
-
-/* Passes this packet up the stack, updating its accounting.
- * Some link protocols batch packets, so their rx_fixup paths
- * can return clones as well as just modify the original skb.
- */
-static
-void axusbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
-{
- int status;
-
- skb->dev = dev->net;
- skb->protocol = eth_type_trans (skb, dev->net);
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += skb->len;
-
- if (netif_msg_rx_status (dev))
- devdbg (dev, "< rx, len %zu, type 0x%x",
- skb->len + sizeof (struct ethhdr), skb->protocol);
- memset (skb->cb, 0, sizeof (struct skb_data));
- status = netif_rx (skb);
- if (status != NET_RX_SUCCESS && netif_msg_rx_err (dev))
- devdbg (dev, "netif_rx status %d", status);
-}
-
-/*-------------------------------------------------------------------------
- *
- * Network Device Driver (peer link to "Host Device", from USB host)
- *
- *-------------------------------------------------------------------------*/
-
-static
-int axusbnet_change_mtu (struct net_device *net, int new_mtu)
-{
- struct usbnet *dev = netdev_priv(net);
- int ll_mtu = new_mtu + net->hard_header_len;
- int old_hard_mtu = dev->hard_mtu;
- int old_rx_urb_size = dev->rx_urb_size;
-
- if (new_mtu <= 0)
- return -EINVAL;
- // no second zero-length packet read wanted after mtu-sized packets
- if ((ll_mtu % dev->maxpacket) == 0)
- return -EDOM;
- net->mtu = new_mtu;
-
- dev->hard_mtu = net->mtu + net->hard_header_len;
- if (dev->rx_urb_size == old_hard_mtu) {
- dev->rx_urb_size = dev->hard_mtu;
- if (dev->rx_urb_size > old_rx_urb_size)
- axusbnet_unlink_rx_urbs(dev);
- }
-
- return 0;
-}
-
-static struct net_device_stats *axusbnet_get_stats (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv (net);
- return &dev->stats;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* some LK 2.4 HCDs oopsed if we freed or resubmitted urbs from
- * completion callbacks. 2.5 should have fixed those bugs...
- */
-
-static void
-defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_head *list)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&list->lock, flags);
- __skb_unlink(skb, list);
- spin_unlock(&list->lock);
- spin_lock(&dev->done.lock);
- __skb_queue_tail(&dev->done, skb);
- if (dev->done.qlen == 1)
- tasklet_schedule(&dev->bh);
- spin_unlock_irqrestore(&dev->done.lock, flags);
-}
-
-/* some work can't be done in tasklets, so we use keventd
- *
- * NOTE: annoying asymmetry: if it's active, schedule_work() fails,
- * but tasklet_schedule() doesn't. hope the failure is rare.
- */
-static
-void axusbnet_defer_kevent (struct usbnet *dev, int work)
-{
- set_bit (work, &dev->flags);
- if (!schedule_work (&dev->kevent))
- deverr (dev, "kevent %d may have been dropped", work);
- else
- devdbg (dev, "kevent %d scheduled", work);
-}
-
-/*-------------------------------------------------------------------------*/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-static void rx_complete (struct urb *urb, struct pt_regs *regs);
-#else
-static void rx_complete (struct urb *urb);
-#endif
-
-static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
-{
- struct sk_buff *skb;
- struct skb_data *entry;
- int retval = 0;
- unsigned long lockflags;
- size_t size = dev->rx_urb_size;
- struct driver_info *info = dev->driver_info;
- u8 align;
-
-#if (AX_FORCE_BUFF_ALIGN)
- align = 0;
-#else
- if (!(info->flags & FLAG_HW_IP_ALIGNMENT))
- align = NET_IP_ALIGN;
- else
- align = 0;
-#endif
-
- if ((skb = alloc_skb (size + align, flags)) == NULL) {
- if (netif_msg_rx_err (dev))
- devdbg (dev, "no rx skb");
- axusbnet_defer_kevent (dev, EVENT_RX_MEMORY);
- usb_free_urb (urb);
- return;
- }
-
- if (align)
- skb_reserve (skb, NET_IP_ALIGN);
-
- entry = (struct skb_data *) skb->cb;
- entry->urb = urb;
- entry->dev = dev;
- entry->state = rx_start;
- entry->length = 0;
-
- usb_fill_bulk_urb (urb, dev->udev, dev->in,
- skb->data, size, rx_complete, skb);
-
- spin_lock_irqsave (&dev->rxq.lock, lockflags);
-
- if (netif_running (dev->net)
- && netif_device_present (dev->net)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
- switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
- case -EPIPE:
- axusbnet_defer_kevent (dev, EVENT_RX_HALT);
- break;
- case -ENOMEM:
- axusbnet_defer_kevent (dev, EVENT_RX_MEMORY);
- break;
- case -ENODEV:
- if (netif_msg_ifdown (dev))
- devdbg (dev, "device gone");
- netif_device_detach (dev->net);
- break;
- default:
- if (netif_msg_rx_err (dev))
- devdbg (dev, "rx submit, %d", retval);
- tasklet_schedule (&dev->bh);
- break;
- case 0:
- __skb_queue_tail (&dev->rxq, skb);
- }
- } else {
- if (netif_msg_ifdown (dev))
- deverr (dev, "rx: stopped");
- retval = -ENOLINK;
- }
- spin_unlock_irqrestore (&dev->rxq.lock, lockflags);
- if (retval) {
- dev_kfree_skb_any (skb);
- usb_free_urb (urb);
- }
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
-{
- if (dev->driver_info->rx_fixup
- && !dev->driver_info->rx_fixup (dev, skb))
- goto error;
- // else network stack removes extra byte if we forced a short packet
-
- if (skb->len)
- axusbnet_skb_return (dev, skb);
- else {
- if (netif_msg_rx_err (dev))
- devdbg (dev, "drop");
-error:
- dev->stats.rx_errors++;
- skb_queue_tail (&dev->done, skb);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-static void rx_complete (struct urb *urb, struct pt_regs *regs)
-#else
-static void rx_complete (struct urb *urb)
-#endif
-{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct skb_data *entry = (struct skb_data *) skb->cb;
- struct usbnet *dev = entry->dev;
- int urb_status = urb->status;
-
- skb_put (skb, urb->actual_length);
- entry->state = rx_done;
- entry->urb = NULL;
-
- switch (urb_status) {
- /* success */
- case 0:
- if (skb->len < dev->net->hard_header_len) {
- entry->state = rx_cleanup;
- dev->stats.rx_errors++;
- dev->stats.rx_length_errors++;
- if (netif_msg_rx_err (dev))
- ;// deverr (dev, "rx length %d", skb->len);
- }
- break;
-
- /* stalls need manual reset. this is rare ... except that
- * when going through USB 2.0 TTs, unplug appears this way.
- * we avoid the highspeed version of the ETIMEDOUT/EILSEQ
- * storm, recovering as needed.
- */
- case -EPIPE:
- dev->stats.rx_errors++;
- axusbnet_defer_kevent (dev, EVENT_RX_HALT);
- // FALLTHROUGH
-
- /* software-driven interface shutdown */
- case -ECONNRESET: /* async unlink */
- case -ESHUTDOWN: /* hardware gone */
- if (netif_msg_ifdown (dev))
- ;// deverr (dev, "rx shutdown, code %d", urb_status);
- goto block;
-
- /* we get controller i/o faults during khubd disconnect() delays.
- * throttle down resubmits, to avoid log floods; just temporarily,
- * so we still recover when the fault isn't a khubd delay.
- */
- case -EPROTO:
- case -ETIME:
- case -EILSEQ:
- dev->stats.rx_errors++;
- if (!timer_pending (&dev->delay)) {
- mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
- if (netif_msg_link (dev))
- ;// deverr (dev, "rx throttle %d", urb_status);
- }
-block:
- entry->state = rx_cleanup;
- entry->urb = urb;
- urb = NULL;
- break;
-
- /* data overrun ... flush fifo? */
- case -EOVERFLOW:
- dev->stats.rx_over_errors++;
- // FALLTHROUGH
-
- default:
- entry->state = rx_cleanup;
- dev->stats.rx_errors++;
- if (netif_msg_rx_err (dev))
- ;// deverr (dev, "rx status %d", urb_status);
- break;
- }
-
- defer_bh(dev, skb, &dev->rxq);
-
- if (urb) {
- if (netif_running (dev->net)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
- rx_submit (dev, urb, GFP_ATOMIC);
- return;
- }
- usb_free_urb (urb);
- }
- if (netif_msg_rx_err (dev))
- deverr (dev, "no read resubmitted");
-}
-extern void dwc_otg_clear_halt(struct urb *_urb);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-static void intr_complete (struct urb *urb, struct pt_regs *regs)
-#else
-static void intr_complete (struct urb *urb)
-#endif
-{
- struct usbnet *dev = urb->context;
- int status = urb->status;
-
- switch (status) {
- /* success */
- case 0:
- dev->driver_info->status(dev, urb);
- break;
-
- /* software-driven interface shutdown */
- case -ENOENT: /* urb killed */
- case -ESHUTDOWN: /* hardware gone */
- if (netif_msg_ifdown (dev))
- devdbg (dev, "intr shutdown, code %d", status);
- break;
- // return;
-
- /* NOTE: not throttling like RX/TX, since this endpoint
- * already polls infrequently
- */
- default:
- devdbg (dev, "intr status %d", status);
- if(status < 0)
- dwc_otg_clear_halt(urb);
- break;
- }
-
- if (!netif_running (dev->net))
- return;
-
- memset(urb->transfer_buffer, 0, urb->transfer_buffer_length);
- status = usb_submit_urb (urb, GFP_ATOMIC);
- if (status != 0 && netif_msg_timer (dev))
- deverr(dev, "intr resubmit --> %d", status);
-}
-
-/*-------------------------------------------------------------------------*/
-
-// unlink pending rx/tx; completion handlers do all other cleanup
-
-static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
-{
- unsigned long flags;
- struct sk_buff *skb, *skbnext;
- int count = 0;
-
- spin_lock_irqsave (&q->lock, flags);
- skb_queue_walk_safe(q, skb, skbnext) {
- struct skb_data *entry;
- struct urb *urb;
- int retval;
-
- entry = (struct skb_data *) skb->cb;
- urb = entry->urb;
-
- // during some PM-driven resume scenarios,
- // these (async) unlinks complete immediately
- retval = usb_unlink_urb (urb);
- if (retval != -EINPROGRESS && retval != 0)
- devdbg (dev, "unlink urb err, %d", retval);
- else
- count++;
- }
- spin_unlock_irqrestore (&q->lock, flags);
- return count;
-}
-
-// Flush all pending rx urbs
-// minidrivers may need to do this when the MTU changes
-
-static
-void axusbnet_unlink_rx_urbs(struct usbnet *dev)
-{
- if (netif_running(dev->net)) {
- (void) unlink_urbs (dev, &dev->rxq);
- tasklet_schedule(&dev->bh);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-
-// precondition: never called in_interrupt
-
-static
-int axusbnet_stop (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- struct driver_info *info = dev->driver_info;
- int temp;
- int retval;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)
- DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup);
-#else
- DECLARE_WAIT_QUEUE_HEAD (unlink_wakeup);
-#endif
- DECLARE_WAITQUEUE (wait, current);
-
- netif_stop_queue (net);
-
- if (netif_msg_ifdown (dev))
- devinfo (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld",
- dev->stats.rx_packets, dev->stats.tx_packets,
- dev->stats.rx_errors, dev->stats.tx_errors
- );
-
- /* allow minidriver to stop correctly (wireless devices to turn off
- * radio etc) */
- if (info->stop) {
- retval = info->stop(dev);
- if (retval < 0 && netif_msg_ifdown(dev))
- devinfo(dev,
- "stop fail (%d) usbnet usb-%s-%s, %s",
- retval,
- dev->udev->bus->bus_name, dev->udev->devpath,
- info->description);
- }
-
- if (!(info->flags & FLAG_AVOID_UNLINK_URBS)) {
- /* ensure there are no more active urbs */
- add_wait_queue(&unlink_wakeup, &wait);
- dev->wait = &unlink_wakeup;
- temp = unlink_urbs(dev, &dev->txq) +
- unlink_urbs(dev, &dev->rxq);
-
- /* maybe wait for deletions to finish. */
- while (!skb_queue_empty(&dev->rxq)
- && !skb_queue_empty(&dev->txq)
- && !skb_queue_empty(&dev->done)) {
- msleep(UNLINK_TIMEOUT_MS);
- if (netif_msg_ifdown(dev))
- devdbg(dev, "waited for %d urb completions",
- temp);
- }
- dev->wait = NULL;
- remove_wait_queue(&unlink_wakeup, &wait);
- }
-
- usb_kill_urb(dev->interrupt);
-
- /* deferred work (task, timer, softirq) must also stop.
- * can't flush_scheduled_work() until we drop rtnl (later),
- * else workers could deadlock; so make workers a NOP.
- */
- dev->flags = 0;
- del_timer_sync (&dev->delay);
- tasklet_kill (&dev->bh);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-// posts reads, and enables write queuing
-
-// precondition: never called in_interrupt
-
-static
-int axusbnet_open (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- int retval = 0;
- struct driver_info *info = dev->driver_info;
-
- // put into "known safe" state
- if (info->reset && (retval = info->reset (dev)) < 0) {
- if (netif_msg_ifup (dev))
- devinfo (dev,
- "open reset fail (%d) usbnet usb-%s-%s, %s",
- retval,
- dev->udev->bus->bus_name, dev->udev->devpath,
- info->description);
- goto done;
- }
-
- // insist peer be connected
- if (info->check_connect && (retval = info->check_connect (dev)) < 0) {
- if (netif_msg_ifup (dev))
- devdbg (dev, "can't open; %d", retval);
- goto done;
- }
-
- /* start any status interrupt transfer */
- if (dev->interrupt) {
- retval = usb_submit_urb (dev->interrupt, GFP_KERNEL);
- if (retval < 0) {
- if (netif_msg_ifup (dev))
- deverr (dev, "intr submit %d", retval);
- goto done;
- }
- }
-
- netif_start_queue (net);
- if (netif_msg_ifup (dev)) {
- char *framing;
-
- if (dev->driver_info->flags & FLAG_FRAMING_NC)
- framing = "NetChip";
- else if (dev->driver_info->flags & FLAG_FRAMING_GL)
- framing = "GeneSys";
- else if (dev->driver_info->flags & FLAG_FRAMING_Z)
- framing = "Zaurus";
- else if (dev->driver_info->flags & FLAG_FRAMING_RN)
- framing = "RNDIS";
- else if (dev->driver_info->flags & FLAG_FRAMING_AX)
- framing = "ASIX";
- else
- framing = "simple";
-
- devinfo (dev, "open: enable queueing "
- "(rx %d, tx %d) mtu %d %s framing",
- (int)RX_QLEN (dev), (int)TX_QLEN (dev), dev->net->mtu,
- framing);
- }
-
- // delay posting reads until we're fully open
- tasklet_schedule (&dev->bh);
- return retval;
-done:
- return retval;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* ethtool methods; minidrivers may need to add some more, but
- * they'll probably want to use this base set.
- */
-
-static
-int axusbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
-{
- struct usbnet *dev = netdev_priv(net);
-
- if (!dev->mii.mdio_read)
- return -EOPNOTSUPP;
-
- return mii_ethtool_gset(&dev->mii, cmd);
-}
-
-static
-int axusbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd)
-{
- struct usbnet *dev = netdev_priv(net);
- int retval;
-
- if (!dev->mii.mdio_write)
- return -EOPNOTSUPP;
-
- retval = mii_ethtool_sset(&dev->mii, cmd);
-
- /* link speed/duplex might have changed */
- if (dev->driver_info->link_reset)
- dev->driver_info->link_reset(dev);
-
- return retval;
-
-}
-
-static
-u32 axusbnet_get_link (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
-
- /* If a check_connect is defined, return its result */
- if (dev->driver_info->check_connect)
- return dev->driver_info->check_connect (dev) == 0;
-
- /* if the device has mii operations, use those */
- if (dev->mii.mdio_read)
- return mii_link_ok(&dev->mii);
-
- /* Otherwise, dtrt for drivers calling netif_carrier_{on,off} */
- return ethtool_op_get_link(net);
-}
-
-static
-int axusbnet_nway_reset(struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
-
- if (!dev->mii.mdio_write)
- return -EOPNOTSUPP;
-
- return mii_nway_restart(&dev->mii);
-}
-
-static
-void axusbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
-{
- struct usbnet *dev = netdev_priv(net);
-
- strncpy (info->driver, dev->driver_name, sizeof info->driver);
- strncpy (info->version, DRIVER_VERSION, sizeof info->version);
- strncpy (info->fw_version, dev->driver_info->description,
- sizeof info->fw_version);
- usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info);
-}
-
-static
-u32 axusbnet_get_msglevel (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
-
- return dev->msg_enable;
-}
-
-static
-void axusbnet_set_msglevel (struct net_device *net, u32 level)
-{
- struct usbnet *dev = netdev_priv(net);
-
- dev->msg_enable = level;
-}
-
-/* drivers may override default ethtool_ops in their bind() routine */
-static struct ethtool_ops axusbnet_ethtool_ops = {
- .get_settings = axusbnet_get_settings,
- .set_settings = axusbnet_set_settings,
- .get_link = axusbnet_get_link,
- .nway_reset = axusbnet_nway_reset,
- .get_drvinfo = axusbnet_get_drvinfo,
- .get_msglevel = axusbnet_get_msglevel,
- .set_msglevel = axusbnet_set_msglevel,
-};
-
-/*-------------------------------------------------------------------------*/
-
-/* work that cannot be done in interrupt context uses keventd.
- *
- * NOTE: with 2.5 we could do more of this using completion callbacks,
- * especially now that control transfers can be queued.
- */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-static void kevent (void *data)
-{
- struct usbnet *dev = (struct usbnet *)data;
-#else
-static void kevent (struct work_struct *work)
-{
- struct usbnet *dev =
- container_of(work, struct usbnet, kevent);
-#endif
- int status;
-
- /* usb_clear_halt() needs a thread context */
- if (test_bit (EVENT_TX_HALT, &dev->flags)) {
-printk ("EVENT_TX_HALT\n");
- unlink_urbs (dev, &dev->txq);
- status = usb_clear_halt (dev->udev, dev->out);
- if (status < 0
- && status != -EPIPE
- && status != -ESHUTDOWN) {
- if (netif_msg_tx_err (dev))
- deverr (dev, "can't clear tx halt, status %d",
- status);
- } else {
- clear_bit (EVENT_TX_HALT, &dev->flags);
- if (status != -ESHUTDOWN)
- netif_wake_queue (dev->net);
- }
- }
- if (test_bit (EVENT_RX_HALT, &dev->flags)) {
-printk ("EVENT_RX_HALT\n");
- unlink_urbs (dev, &dev->rxq);
- status = usb_clear_halt (dev->udev, dev->in);
- if (status < 0
- && status != -EPIPE
- && status != -ESHUTDOWN) {
- if (netif_msg_rx_err (dev))
- deverr (dev, "can't clear rx halt, status %d",
- status);
- } else {
- clear_bit (EVENT_RX_HALT, &dev->flags);
- tasklet_schedule (&dev->bh);
- }
- }
-
- /* tasklet could resubmit itself forever if memory is tight */
- if (test_bit (EVENT_RX_MEMORY, &dev->flags)) {
- struct urb *urb = NULL;
-printk ("EVENT_RX_MEMORY\n");
- if (netif_running (dev->net))
- urb = usb_alloc_urb (0, GFP_KERNEL);
- else
- clear_bit (EVENT_RX_MEMORY, &dev->flags);
- if (urb != NULL) {
- clear_bit (EVENT_RX_MEMORY, &dev->flags);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
- urb->transfer_flags |= URB_ASYNC_UNLINK;
-#endif
- rx_submit (dev, urb, GFP_KERNEL);
- tasklet_schedule (&dev->bh);
- }
- }
-
- if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
- struct driver_info *info = dev->driver_info;
- int retval = 0;
-
- clear_bit (EVENT_LINK_RESET, &dev->flags);
- if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
- devinfo(dev, "link reset failed (%d) usbnet usb-%s-%s, %s",
- retval,
- dev->udev->bus->bus_name, dev->udev->devpath,
- info->description);
- }
- }
-
- if (dev->flags)
- devdbg (dev, "kevent done, flags = 0x%lx",
- dev->flags);
-}
-
-/*-------------------------------------------------------------------------*/
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-static void tx_complete (struct urb *urb, struct pt_regs *regs)
-#else
-static void tx_complete (struct urb *urb)
-#endif
-{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct skb_data *entry = (struct skb_data *) skb->cb;
- struct usbnet *dev = entry->dev;
-
- if (urb->status == 0) {
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += entry->length;
- } else {
- dev->stats.tx_errors++;
-
- switch (urb->status) {
- case -EPIPE:
- axusbnet_defer_kevent (dev, EVENT_TX_HALT);
- break;
-
- /* software-driven interface shutdown */
- case -ECONNRESET: // async unlink
- case -ESHUTDOWN: // hardware gone
- break;
-
- // like rx, tx gets controller i/o faults during khubd delays
- // and so it uses the same throttling mechanism.
- case -EPROTO:
- case -ETIME:
- case -EILSEQ:
- if (!timer_pending (&dev->delay)) {
- mod_timer (&dev->delay,
- jiffies + THROTTLE_JIFFIES);
- if (netif_msg_link (dev))
- devdbg (dev, "tx throttle %d",
- urb->status);
- }
- netif_stop_queue (dev->net);
- break;
- default:
- if (netif_msg_tx_err (dev))
- devdbg (dev, "tx err %d", entry->urb->status);
- break;
- }
- }
-
- urb->dev = NULL;
- entry->state = tx_done;
- defer_bh(dev, skb, &dev->txq);
-}
-
-/*-------------------------------------------------------------------------*/
-
-static
-void axusbnet_tx_timeout (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
-
- devdbg(dev,"---> %s %d\n",__FUNCTION__, __LINE__);
- unlink_urbs (dev, &dev->txq);
- tasklet_schedule (&dev->bh);
-
- // FIXME: device recovery -- reset?
-}
-
-/*-------------------------------------------------------------------------*/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
-static int
-#else
-static netdev_tx_t
-#endif
-axusbnet_start_xmit (struct sk_buff *skb,
- struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- int length;
- struct urb *urb = NULL;
- struct skb_data *entry;
- struct driver_info *info = dev->driver_info;
- unsigned long flags;
- int retval;
-
- // some devices want funky USB-level framing, for
- // win32 driver (usually) and/or hardware quirks
- if (info->tx_fixup) {
- skb = info->tx_fixup (dev, skb, GFP_ATOMIC);
- if (!skb) {
- if (netif_msg_tx_err (dev))
- devdbg (dev, "can't tx_fixup skb");
- goto drop;
- }
- }
- length = skb->len;
-
- if (!(urb = usb_alloc_urb (0, GFP_ATOMIC))) {
- if (netif_msg_tx_err (dev))
- devdbg (dev, "no urb");
- goto drop;
- }
-
- entry = (struct skb_data *) skb->cb;
- entry->urb = urb;
- entry->dev = dev;
- entry->state = tx_start;
- entry->length = length;
-
- usb_fill_bulk_urb (urb, dev->udev, dev->out,
- skb->data, skb->len, tx_complete, skb);
-
- /* don't assume the hardware handles USB_ZERO_PACKET
- * NOTE: strictly conforming cdc-ether devices should expect
- * the ZLP here, but ignore the one-byte packet.
- */
- if (!(info->flags & FLAG_SEND_ZLP) && (length % dev->maxpacket) == 0) {
- urb->transfer_buffer_length++;
- if (skb_tailroom(skb)) {
- skb->data[skb->len] = 0;
- __skb_put(skb, 1);
- }
- }
-
- spin_lock_irqsave (&dev->txq.lock, flags);
-
- switch ((retval = usb_submit_urb (urb, GFP_ATOMIC))) {
- case -EPIPE:
- netif_stop_queue (net);
- axusbnet_defer_kevent (dev, EVENT_TX_HALT);
- break;
- default:
- if (netif_msg_tx_err (dev))
- devdbg (dev, "tx: submit urb err %d", retval);
- break;
- case 0:
- net->trans_start = jiffies;
- __skb_queue_tail (&dev->txq, skb);
- if (dev->txq.qlen >= TX_QLEN (dev))
- netif_stop_queue (net);
- }
- spin_unlock_irqrestore (&dev->txq.lock, flags);
-
- if (retval) {
- if (netif_msg_tx_err (dev))
- devdbg (dev, "drop, code %d", retval);
-drop:
- dev->stats.tx_dropped++;
- if (skb)
- dev_kfree_skb_any (skb);
- usb_free_urb (urb);
- } else if (netif_msg_tx_queued (dev)) {
- devdbg (dev, "> tx, len %d, type 0x%x",
- length, skb->protocol);
- }
- return NETDEV_TX_OK;
-}
-
-/*-------------------------------------------------------------------------*/
-
-// tasklet (work deferred from completions, in_irq) or timer
-
-static void axusbnet_bh (unsigned long param)
-{
- struct usbnet *dev = (struct usbnet *) param;
- struct sk_buff *skb;
- struct skb_data *entry;
-
- while ((skb = skb_dequeue (&dev->done))) {
- entry = (struct skb_data *) skb->cb;
- switch (entry->state) {
- case rx_done:
- entry->state = rx_cleanup;
- rx_process (dev, skb);
- continue;
- case tx_done:
- case rx_cleanup:
- usb_free_urb (entry->urb);
- dev_kfree_skb (skb);
- continue;
- default:
- devdbg (dev, "bogus skb state %d", entry->state);
- }
- }
-
- // waiting for all pending urbs to complete?
- if (dev->wait) {
- if ((dev->txq.qlen + dev->rxq.qlen + dev->done.qlen) == 0) {
- wake_up (dev->wait);
- }
-
- // or are we maybe short a few urbs?
- } else if (netif_running (dev->net)
- && netif_device_present (dev->net)
- && !timer_pending (&dev->delay)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
- int temp = dev->rxq.qlen;
- int qlen = RX_QLEN (dev);
-
- if (temp < qlen) {
- struct urb *urb;
- int i;
-
- // don't refill the queue all at once
- for (i = 0; i < 10 && dev->rxq.qlen < qlen; i++) {
- urb = usb_alloc_urb (0, GFP_ATOMIC);
- if (urb != NULL) {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
- urb->transfer_flags |= URB_ASYNC_UNLINK;
-#endif
- rx_submit (dev, urb, GFP_ATOMIC);
- }
- }
- if (temp != dev->rxq.qlen && netif_msg_link (dev))
- devdbg (dev, "rxqlen %d --> %d",
- temp, dev->rxq.qlen);
- if (dev->rxq.qlen < qlen)
- tasklet_schedule (&dev->bh);
- }
- if (dev->txq.qlen < TX_QLEN (dev))
- netif_wake_queue (dev->net);
- }
-}
-
-
-/*-------------------------------------------------------------------------
- *
- * USB Device Driver support
- *
- *-------------------------------------------------------------------------*/
-
-// precondition: never called in_interrupt
-
-static
-void axusbnet_disconnect (struct usb_interface *intf)
-{
- struct usbnet *dev;
- struct usb_device *xdev;
- struct net_device *net;
-
- dev = usb_get_intfdata(intf);
- usb_set_intfdata(intf, NULL);
- if (!dev)
- return;
-
- xdev = interface_to_usbdev (intf);
-
- if (netif_msg_probe (dev))
- devinfo (dev, "unregister '%s' usb-%s-%s, %s",
- intf->dev.driver->name,
- xdev->bus->bus_name, xdev->devpath,
- dev->driver_info->description);
-
- net = dev->net;
- unregister_netdev (net);
-
- /* we don't hold rtnl here ... */
- flush_scheduled_work ();
-
- if (dev->driver_info->unbind)
- dev->driver_info->unbind (dev, intf);
-
- free_netdev(net);
- usb_put_dev (xdev);
-}
-
-/*-------------------------------------------------------------------------*/
-
-// precondition: never called in_interrupt
-
-static int
-axusbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
-{
- struct usbnet *dev;
- struct net_device *net;
- struct usb_host_interface *interface;
- struct driver_info *info;
- struct usb_device *xdev;
- int status;
- const char *name;
-
- name = udev->dev.driver->name;
- info = (struct driver_info *) prod->driver_info;
- if (!info) {
- printk (KERN_ERR "blacklisted by %s\n", name);
- return -ENODEV;
- }
- xdev = interface_to_usbdev (udev);
- interface = udev->cur_altsetting;
-
- usb_get_dev (xdev);
-
- status = -ENOMEM;
-
- // set up our own records
- net = alloc_etherdev(sizeof(*dev));
- if (!net) {
- dbg ("can't kmalloc dev");
- goto out;
- }
-
- dev = netdev_priv(net);
- dev->udev = xdev;
- dev->intf = udev;
- dev->driver_info = info;
- dev->driver_name = name;
- dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
- | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFDOWN |NETIF_MSG_IFUP);
- skb_queue_head_init (&dev->rxq);
- skb_queue_head_init (&dev->txq);
- skb_queue_head_init (&dev->done);
- dev->bh.func = axusbnet_bh;
- dev->bh.data = (unsigned long) dev;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
- INIT_WORK (&dev->kevent, kevent, dev);
-#else
- INIT_WORK (&dev->kevent, kevent);
-#endif
-
- dev->delay.function = axusbnet_bh;
- dev->delay.data = (unsigned long) dev;
- init_timer (&dev->delay);
-// mutex_init (&dev->phy_mutex);
-
- dev->net = net;
-
- /* rx and tx sides can use different message sizes;
- * bind() should set rx_urb_size in that case.
- */
- dev->hard_mtu = net->mtu + net->hard_header_len;
-
-#if 0
-// dma_supported() is deeply broken on almost all architectures
- // possible with some EHCI controllers
- if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
- net->features |= NETIF_F_HIGHDMA;
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
- net->open = axusbnet_open,
- net->stop = axusbnet_stop,
- net->hard_start_xmit = axusbnet_start_xmit,
- net->tx_timeout = axusbnet_tx_timeout,
- net->get_stats = axusbnet_get_stats;
-#endif
-
- net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
- net->ethtool_ops = &axusbnet_ethtool_ops;
-
- info->flags |= FLAG_AVOID_UNLINK_URBS;
-
- // allow device-specific bind/init procedures
- // NOTE net->name still not usable ...
- status = info->bind (dev, udev);
- if (status < 0) {
- deverr(dev, "Binding device failed: %d", status);
- goto out1;
- } else {
- printk("----> %s %d:bind %s\n",__FUNCTION__,__LINE__,info->description);
- }
-
- /* maybe the remote can't receive an Ethernet MTU */
- if (net->mtu > (dev->hard_mtu - net->hard_header_len))
- net->mtu = dev->hard_mtu - net->hard_header_len;
-
- status = init_status (dev, udev);
- if (status < 0)
- goto out3;
-
- if (!dev->rx_urb_size)
- dev->rx_urb_size = dev->hard_mtu;
- dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
-
- SET_NETDEV_DEV(net, &udev->dev);
- status = register_netdev (net);
- if (status) {
- deverr(dev, "net device registration failed: %d", status);
- goto out3;
- }
-
- if (netif_msg_probe (dev))
- devinfo (dev, "register '%s' at usb-%s-%s, %s, %pM",
- udev->dev.driver->name,
- xdev->bus->bus_name, xdev->devpath,
- dev->driver_info->description,
- net->dev_addr);
-
- // ok, it's ready to go.
- usb_set_intfdata (udev, dev);
-
- // start as if the link is up
- netif_device_attach (net);
-
- return 0;
-
-out3:
- if (info->unbind)
- info->unbind (dev, udev);
-out1:
- free_netdev(net);
-out:
- usb_put_dev(xdev);
- return status;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * suspend the whole driver as soon as the first interface is suspended
- * resume only when the last interface is resumed
- */
-
-static int axusbnet_suspend (struct usb_interface *intf,
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
-pm_message_t message)
-#else
-u32 message)
-#endif
-{
- struct usbnet *dev = usb_get_intfdata(intf);
-
- if (!dev->suspend_count++) {
- /*
- * accelerate emptying of the rx and queues, to avoid
- * having everything error out.
- */
- netif_device_detach (dev->net);
- (void) unlink_urbs (dev, &dev->rxq);
- (void) unlink_urbs (dev, &dev->txq);
- /*
- * reattach so runtime management can use and
- * wake the device
- */
- netif_device_attach (dev->net);
- }
- return 0;
-}
-
-static int
-axusbnet_resume (struct usb_interface *intf)
-{
- struct usbnet *dev = usb_get_intfdata(intf);
-
- if (!--dev->suspend_count)
- tasklet_schedule (&dev->bh);
-
- return 0;
-}
-
+++ /dev/null
-/*
- * 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
-
-#ifndef gfp_t
-#define gfp_t int
-#endif
-
-/* 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;
- wait_queue_head_t *wait;
-// struct mutex phy_mutex;
- unsigned char suspend_count;
-
- /* i/o info: pipes etc */
- unsigned in, out;
- struct usb_host_endpoint *status;
- unsigned maxpacket;
- struct timer_list delay;
-
- /* protocol/interface state */
- struct net_device *net;
- struct net_device_stats stats;
- 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 */
- struct mii_if_info mii;
-
- /* various kinds of pending driver work */
- struct sk_buff_head rxq;
- struct sk_buff_head txq;
- struct sk_buff_head done;
- struct sk_buff_head rxq_pause;
- struct urb *interrupt;
- struct tasklet_struct bh;
-
- struct work_struct kevent;
- 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
-# define EVENT_RX_PAUSED 5
-
- void *priv; /* point to minidriver private data */
- unsigned char rx_size;
-};
-
-static inline struct usb_driver *driver_of(struct usb_interface *intf)
-{
- return to_usb_driver(intf->dev.driver);
-}
-
-/* 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 */
-#define FLAG_AVOID_UNLINK_URBS 0x0100 /* don't unlink urbs at usbnet_stop() */
-#define FLAG_SEND_ZLP 0x0200 /* hw requires ZLPs are sent */
-#define FLAG_HW_IP_ALIGNMENT 0x0400 /* AX88772B support hardware IP alignment */
-
-
- /* init device ... can sleep, or cause probe() failure */
- int (*bind)(struct usbnet *, struct usb_interface *);
-
- /* cleanup device ... can sleep, but can't fail */
- void (*unbind)(struct usbnet *, struct usb_interface *);
-
- /* reset device ... can sleep */
- int (*reset)(struct usbnet *);
-
- /* stop device ... can sleep */
- int (*stop)(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, struct sk_buff *skb);
-
- /* fixup tx packet (add framing) */
- struct sk_buff *(*tx_fixup)(struct usbnet *dev,
- struct sk_buff *skb, gfp_t flags);
-
- /* 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 receiving indication */
- void (*indication)(struct usbnet *dev, void *ind, int indlen);
-
- /* for new devices, use the descriptor-reading code instead */
- int in; /* rx endpoint */
- int out; /* tx endpoint */
-
- unsigned long data; /* Misc driver specific data */
-};
-
-/* 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;
-};
-
-/* 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;
-};
-
-#ifndef skb_queue_walk_safe
-#define skb_queue_walk_safe(queue, skb, tmp) \
- for (skb = (queue)->next, tmp = skb->next; \
- skb != (struct sk_buff *)(queue); \
- skb = tmp, tmp = skb->next)
-#endif
-
-/* messaging support includes the interface name, so it must not be
- * used before it has one ... notably, in minidriver bind() calls.
- */
-#ifdef DEBUG
-#define devdbg(usbnet, fmt, arg...) \
- printk("%s: " fmt "\n" , (usbnet)->net->name , ## arg)
-#else
-#define devdbg(usbnet, fmt, arg...) \
- ({ if (0) printk("%s: " fmt "\n" , (usbnet)->net->name , \
- ## arg); 0; })
-#endif
-
-#define deverr(usbnet, fmt, arg...) \
- printk(KERN_ERR "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
-#define devwarn(usbnet, fmt, arg...) \
- printk(KERN_WARNING "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
-
-#define devinfo(usbnet, fmt, arg...) \
- printk(KERN_INFO "%s: " fmt "\n" , (usbnet)->net->name , ## arg); \
-
-
-#endif /* __LINUX_USB_USBNET_H */
* ethernet frames.
*/
dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD + 1;
+ dev->rx_urb_size = (dev->rx_urb_size > 2048) ? dev->rx_urb_size : 2048;
dev->mii.dev = dev->net;
dev->mii.mdio_read = dm9601_mdio_read;
* Support DM9685
* Transmit Check Sum Control by Optopn (Source Code Default: Disable)
* Recieve Drop Check Sum Error Packet Disable as chip default
- * V1.5 - Support RK2818 (Debug the Register Function)
+ * V1.5 - Support RK2818 (Debug the Register Function)
+ * V1.6 - Solve compiler issue for Linux 2.6.35
+ * V1.7 - Enable MAC Layer Flow Control and define debug_message for linux version update.
+ * V1.8 - Enable PHY Layer Flow Control, clear debug code, setup default phy_id value is 1.
+ * Update dm9620_mdio_read and dm9620_mdio_write.
+ * Fix bug of ethtool eeprom write
+ * V1.9 - Fixed "deverr" line 367 error in Linux 2.6.38
+ * V2.0 - Fixed "dm9620_set_multicast" function CRC bug.
+ * V2.1 - Add 802.3az for dm9621a
+ * V2.2 - Add PID=0x1269 support CDC mode.
+ * V2.3 - Add PID=0x0269 support CDC mode.
+ * V2.41 - Support Linux 3.6.9
+ * V2.42 - Work to V2.42 according to "DM9620 BulkOut ¸É¤B¤À¸Ñ.doc"
+ * V2.43 - Special suport for DM9621A in the table 'products'
+ * V2.45 - Fix the function TxStyle(), correct to be (len%2) from (len%1). 20131211.
*/
//#define DEBUG
-
-#define RK2818
+#define LNX_DM9620_VER_STR "V2.45"
#include <linux/module.h>
-//#include <linux/kernel.h> // new v1.3
#include <linux/sched.h>
#include <linux/stddef.h>
#include <linux/init.h>
/* registers */
#define DM_NET_CTRL 0x00
#define DM_RX_CTRL 0x05
+#define DM_FLOW_CTRL 0x0a
#define DM_SHARED_CTRL 0x0b
#define DM_SHARED_ADDR 0x0c
#define DM_SHARED_DATA 0x0d /* low + high */
#define DM_MCAST_ADDR 0x16 /* 8 bytes */
#define DM_GPR_CTRL 0x1e
#define DM_GPR_DATA 0x1f
+#define DM_PID 0x2a
#define DM_XPHY_CTRL 0x2e
#define DM_TX_CRC_CTRL 0x31
#define DM_RX_CRC_CTRL 0x32
#define DM_SMIREG 0x91
#define USB_CTRL 0xf4
#define PHY_SPEC_CFG 20
+#define DM_TXRX_M 0x5C
#define MD96XX_EEPROM_MAGIC 0x9620
#define DM_MAX_MCAST 64
#define DM_TIMEOUT 1000
#define DM_MODE9620 0x80
#define DM_TX_CS_EN 0 /* Transmit Check Sum Control */
+#define DM9620_PHY_ID 1 /* Stone add For kernel read phy register */
struct dm96xx_priv {
- int flag_fail_count;
- u8 mode_9620;
+ //int flag_fail_count; // EVER RX-DBG
+ int flg_txdbg; // NOW TX-DBG
+ u8 mode_9620;
+ u8 tx_fix_mod;
};
-
-
+#if defined(DEBUG)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,33)
+#define dm9620_print(__dev, format, args...) netdev_dbg((__dev)->net, format, ##args)
+#define dm9620_err(__dev, format, args...) netdev_err((__dev)->net, format, ##args)
+#else if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33)
+#define dm9620_print(dev, format, args...) devdbg(dev, format, ##args)
+#define dm9620_err(dev, format, args...) deverr(dev, format, ##args)
+#endif
+#else
+#define dm9620_print(dev, format, args...) printk(format, ##args)
+#define dm9620_err(dev, format, args...) printk(format, ##args)
+#endif
static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
{
- devdbg(dev, "dm_read() reg=0x%02x length=%d", reg, length);
+// dm9620_print(dev, "dm_read() reg=0x%02x length=%d", reg, length);
return usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
DM_READ_REGS,
static int dm_read_reg(struct usbnet *dev, u8 reg, u8 *value)
{
-// return dm_read(dev, reg, 1, value);
-
- //__le16 w;
- //int ret = dm_read(dev, reg, 2, &w); // usb_submit_urb
- //*value= (u8)(w & 0xff);
- //return ret;
u16 *tmpwPtr;
int ret;
tmpwPtr= kmalloc (2, GFP_ATOMIC);
static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
{
- devdbg(dev, "dm_write() reg=0x%02x, length=%d", reg, length);
+// dm9620_print(dev, "dm_write() reg=0x%02x, length=%d", reg, length);
return usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
DM_WRITE_REGS,
static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
{
- devdbg(dev, "dm_write_reg() reg=0x%02x, value=0x%02x", reg, value);
+// dm9620_print(dev , "dm_write_reg() reg=0x%02x, value=0x%02x", reg, value);
return usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
DM_WRITE_REG,
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
- deverr(dev, "Error allocating URB in dm_write_async_helper!");
+ dm9620_err(dev, "Error allocating URB in dm_write_async_helper!");
return;
}
req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (!req) {
- deverr(dev, "Failed to allocate memory for control request");
+ dm9620_err(dev, "Failed to allocate memory for control request");
usb_free_urb(urb);
return;
}
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status < 0) {
- deverr(dev, "Error submitting the control message: status=%d",
- status);
+ dm9620_err(dev, "Error submitting the control message: status=%d",
+ status);
kfree(req);
usb_free_urb(urb);
}
static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
{
- devdbg(dev, "dm_write_async() reg=0x%02x length=%d", reg, length);
-
+// dm9620_print(dev, "dm_write_async() reg=0x%02x length=%d", reg, length);
dm_write_async_helper(dev, reg, 0, length, data);
}
static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
{
- devdbg(dev, "dm_write_reg_async() reg=0x%02x value=0x%02x",
- reg, value);
+// dm9620_print(dev, "dm_write_reg_async() reg=0x%02x value=0x%02x",
+// reg, value);
dm_write_async_helper(dev, reg, value, 0, NULL);
}
static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
{
int ret, i;
+ u16 *tmpwPtr1;
mutex_lock(&dev->phy_mutex);
}
if (i == DM_TIMEOUT) {
- deverr(dev, "%s read timed out!", phy ? "phy" : "eeprom");
+ dm9620_err(dev, "%s read timed out!", phy ? "phy" : "eeprom");
ret = -EIO;
goto out;
}
dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
- ret = dm_read(dev, DM_SHARED_DATA, 2, value);
+// ret = dm_read(dev, DM_SHARED_DATA, 2, value);
+//Stone add
+ tmpwPtr1= kmalloc (2, GFP_ATOMIC);
+ if (!tmpwPtr1)
+ {
+ printk("+++++++++++ JJ5 dm_read_reg() Error: can not kmalloc!\n"); //usbnet_suspend (intf, message);
+ return 0;
+ }
+
+ ret = dm_read(dev, DM_SHARED_DATA, 2, tmpwPtr1); // usb_submit_urb v.s. usb_control_msg
+ *value= (u16)(*tmpwPtr1 & 0xffff);
+
+ kfree (tmpwPtr1);
- devdbg(dev, "read shared %d 0x%02x returned 0x%04x, %d",
- phy, reg, *value, ret);
+// dm9620_print(dev, "read shared %d 0x%02x returned 0x%04x, %d",
+// phy, reg, *value, ret);
out:
mutex_unlock(&dev->phy_mutex);
goto out;
dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
- //dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x0a : 0x12);
if (!phy) dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x0a : 0x12);
dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
}
if (i == DM_TIMEOUT) {
- deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom");
+ dm9620_err(dev,"%s write timed out!", phy ? "phy" : "eeprom");
ret = -EIO;
goto out;
}
return ret;
}
+
static int dm_write_eeprom_word(struct usbnet *dev, int phy, u8 offset, u8 value)
{
int ret, i;
- u8 reg,dloc;
+ u8 reg,dloc,tmp_H,tmp_L;
__le16 eeword;
//devwarn(dev, " offset =0x%x value = 0x%x ", offset,value);
/* retrieve high and low byte from the corresponding reg*/
ret=dm_read_shared_word(dev,0,reg,&eeword);
//devwarn(dev, " reg =0x%x dloc = 0x%x eeword = 0x%4x", reg,dloc,eeword);
-
+ //printk(" reg =0x%x dloc = 0x%x eeword = 0x%4x\n", reg,dloc,eeword);
+
+ tmp_H = (eeword & 0xff);
+ tmp_L = (eeword >> 8);
+
+ printk("tmp_L =0x%2x tmp_H =0x%2x eeword = 0x%4x\n", tmp_L,tmp_H,eeword);
+ /* determine new high and low byte */
+
+ if (offset & 0x01) {
+ tmp_L = value; } else {
+ tmp_H = value; }
+
+ //printk("updated new: tmp_L =0x%2x tmp_H =0x%2x\n", tmp_L,tmp_H);
+
mutex_lock(&dev->phy_mutex);
- /* hank: write data to eeprom high/low byte reg */
- dm_write(dev, (offset & 0x01)? DM_EE_PHY_H:DM_EE_PHY_L, 1, &value);
- /* load the unaffected word to value */
- (offset & 0x01)? (value = eeword << 8):(value = eeword >> 8);
+
+ /* hank: write low byte data first to eeprom reg */
+ // dm_write(dev, (offset & 0x01)? DM_EE_PHY_H:DM_EE_PHY_L, 1, &value);
+ dm_write(dev,DM_EE_PHY_L, 1, &tmp_H);
+ /* high byte will be zero */
+ //(offset & 0x01)? (value = eeword << 8):(value = eeword >> 8);
/* write the not modified 8 bits back to its origional high/low byte reg */
- dm_write(dev, (offset & 0x01)? DM_EE_PHY_L:DM_EE_PHY_H, 1, &value);
+ dm_write(dev,DM_EE_PHY_H, 1, &tmp_L);
if (ret < 0)
goto out;
}
if (i == DM_TIMEOUT) {
- deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom");
+ dm9620_err(dev, "%s write timed out!", phy ? "phy" : "eeprom");
ret = -EIO;
goto out;
}
mutex_unlock(&dev->phy_mutex);
return ret;
}
+
static int dm_read_eeprom_word(struct usbnet *dev, u8 offset, void *value)
{
return dm_read_shared_word(dev, 0, offset, value);
{
struct usbnet *dev = netdev_priv(net);
- devwarn(dev, "EEPROM: magic value, magic = 0x%x offset =0x%x data = 0x%x ",eeprom->magic, eeprom->offset,*data);
+ dm9620_print(dev, "EEPROM: magic value, magic = 0x%x offset =0x%x data = 0x%x ",eeprom->magic, eeprom->offset,*data);
if (eeprom->magic != MD96XX_EEPROM_MAGIC) {
- devwarn(dev, "EEPROM: magic value mismatch, magic = 0x%x",
- eeprom->magic);
+ dm9620_print(dev, "EEPROM: magic value mismatch, magic = 0x%x",
+ eeprom->magic);
return -EINVAL;
}
__le16 res;
- if (phy_id) {
- devdbg(dev, "Only internal phy supported");
- return 0;
- }
-
- dm_read_shared_word(dev, 1, loc, &res);
-
- devdbg(dev,
- "dm9620_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x",
- phy_id, loc, le16_to_cpu(res));
+ dm_read_shared_word(dev, phy_id, loc, &res);
+// dm9620_print(dev, "dm9620_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x",
+// phy_id, loc, le16_to_cpu(res));
return le16_to_cpu(res);
}
__le16 res = cpu_to_le16(val);
int mdio_val;
- if (phy_id) {
- devdbg(dev, "Only internal phy supported");
- return;
- }
-
- devdbg(dev,"dm9620_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x",
- phy_id, loc, val);
+// dm9620_print(dev, "dm9620_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x",
+// phy_id, loc, val);
- dm_write_shared_word(dev, 1, loc, res);
+ dm_write_shared_word(dev, phy_id, loc, res);
mdelay(1);
mdio_val = dm9620_mdio_read(netdev, phy_id, loc);
dm_write_reg(dev, DM_NET_CTRL, 0x48); // enable WAKEEN
- dm_write_reg(dev, 0x92, 0x3f); //keep clock on Hank Jun 30
+// dm_write_reg(dev, 0x92, 0x3f); //keep clock on Hank Jun 30
return dm_write_reg(dev, DM_WAKEUP_CTRL, opt);
}
static void dm9620_set_multicast(struct net_device *net)
{
- struct usbnet *dev = netdev_priv(net);
- /* We use the 20 byte dev->data for our 8 byte filter buffer
- * to avoid allocating memory that is tricky to free later */
- u8 *hashes = (u8 *) & dev->data;
- u8 rx_ctl = 0x31;
-
- memset(hashes, 0x00, DM_MCAST_SIZE);
- hashes[DM_MCAST_SIZE - 1] |= 0x80; /* broadcast address */
-
- if (net->flags & IFF_PROMISC) {
- rx_ctl |= 0x02;
- } else if (net->flags & IFF_ALLMULTI ||
- netdev_mc_count(net) > DM_MAX_MCAST) {
- rx_ctl |= 0x04;
- } else if (!netdev_mc_empty(net)) {
- struct netdev_hw_addr *ha;
-
- netdev_for_each_mc_addr(ha, net) {
- u32 crc = ether_crc(ETH_ALEN, ha->addr) >> 26;
- hashes[crc >> 3] |= 1 << (crc & 0x7);
- }
- }
-
- dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
- dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
+ struct usbnet *dev = netdev_priv(net);
+ /* We use the 20 byte dev->data for our 8 byte filter buffer
+ * to avoid allocating memory that is tricky to free later */
+ u8 *hashes = (u8 *) & dev->data;
+ u8 rx_ctl = 0x31;
+
+ memset(hashes, 0x00, DM_MCAST_SIZE);
+ hashes[DM_MCAST_SIZE - 1] |= 0x80; /* broadcast address */
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x02;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,33)
+ } else if (net->flags & IFF_ALLMULTI || netdev_mc_count(net) > DM_MAX_MCAST) {
+ rx_ctl |= 0x8;
+ } else if (!netdev_mc_empty(net)) {
+ struct netdev_hw_addr *ha;
+
+ netdev_for_each_mc_addr(ha, net) {
+ u32 crc = crc32_le(~0, ha->addr, ETH_ALEN) & 0x3f;
+ hashes[crc>>3] |= 1 << (crc & 0x7);
+ }
+#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33)
+ } else if (net->flags & IFF_ALLMULTI || net->mc_count > DM_MAX_MCAST) {
+ rx_ctl |= 0x08;
+ } else if (net->mc_count) {
+ struct dev_mc_list *mc_list = net->mc_list;
+ int i;
+
+ for (i = 0; i < net->mc_count; i++, mc_list = mc_list->next) {
+ u32 crc = crc32_le(~0, mc_list->dmi_addr, ETH_ALEN) & 0x3f;
+ hashes[crc>>3] |= 1 << (crc & 0x7);
+ }
+#endif
+ }
+
+ dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
+ dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
}
.ndo_change_mtu = usbnet_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = dm9620_ioctl,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
+ .ndo_set_rx_mode = dm9620_set_multicast,
+#else
.ndo_set_multicast_list = dm9620_set_multicast,
+#endif
.ndo_set_mac_address = dm9620_set_mac_address,
};
#endif
static int dm9620_bind(struct usbnet *dev, struct usb_interface *intf)
{
+ u16 *tmpwPtr2;
int ret,mdio_val,i;
struct dm96xx_priv* priv;
u8 temp;
#endif
dev->net->hard_header_len += DM_TX_OVERHEAD;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
-#ifdef RK2818 //harris 2010.12.27
- dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD+1;
-#else
- dev->rx_urb_size = 2048;//dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD+1; // ftp fail fixed
-#endif
+ dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD+1; // ftp fail fixed
+ dev->rx_urb_size = (dev->rx_urb_size > 2048) ? dev->rx_urb_size : 2048;
dev->mii.dev = dev->net;
dev->mii.mdio_read = dm9620_mdio_read;
dev->mii.mdio_write = dm9620_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = DM9620_PHY_ID;
+ printk("[dm962] Linux Driver = %s\n", LNX_DM9620_VER_STR);
//JJ1
if ( (ret= dm_read_reg(dev, 0x29, &tmp)) >=0)
printk("++++++[dm962]+++++ dm_read_reg() 0x29 0x%02x\n",tmp);
printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[0] %d %s\n", (tmp>>0)&1, (tmp&(1<<0))? "Status: TX buffer has pkts": "Status: TX buffer 0 pkts" );
/* reset */
- dm_write_reg(dev, DM_XPHY_CTRL, 0); // dm9622/dm9685, bit[5](EXTERNAL), clear-it, add clk & limit to internal PHY
dm_write_reg(dev, DM_NET_CTRL, 1);
udelay(20);
-
+ //Stone add Enable "MAC layer" Flow Control, TX Pause Packet Enable and
+ dm_write_reg(dev, DM_FLOW_CTRL, 0x29);
+ //Stone add Enable "PHY layer" Flow Control support (phy register 0x04 bit 10)
+ temp = dm9620_mdio_read(dev->net, dev->mii.phy_id, 0x04);
+ dm9620_mdio_write(dev->net, dev->mii.phy_id, 0x04, temp | 0x400);
/* Add V1.1, Enable auto link while plug in RJ45, Hank July 20, 2009*/
/* read SMI mode register */
priv = dev->driver_priv = kmalloc(sizeof(struct dm96xx_priv), GFP_ATOMIC);
if (!priv) {
- deverr(dev, "Failed to allocate memory for dm96xx_priv");
+ dm9620_err(dev,"Failed to allocate memory for dm96xx_priv");
ret = -ENOMEM;
goto out;
}
/* work-around for 9620 mode */
+ dm_read_reg(dev, 0x5c, &temp);
+ priv->tx_fix_mod = temp;
+ printk(KERN_WARNING "[dm96] 9620 tx_fix_mod (DM9_NREV= %d)\n", priv->tx_fix_mod);
+
printk("[dm96] Fixme: work around for 9620 mode\n");
printk("[dm96] Add tx_fixup() debug...\n");
dm_write_reg(dev, DM_MCAST_ADDR, 0); // clear data bus to 0s
dm_read_reg(dev, DM_MCAST_ADDR, &temp); // clear data bus to 0s
ret = dm_read_reg(dev, DM_SMIREG, &temp); // Must clear data bus before we can read the 'MODE9620' bit
- priv->flag_fail_count= 0;
+ priv->flg_txdbg= 0; //->flag_fail_count= 0;
if (ret<0) {
printk(KERN_ERR "[dm96] Error read SMI register\n");
}
printk(KERN_WARNING "[dm96] 9620 Mode = %d\n", priv->mode_9620);
+ dm_read_reg(dev, DM_TXRX_M, &temp); // Need to check the Chipset version (register 0x5c is 0x02?)
+ if (temp == 0x02)
+ {
+ dm_read_reg(dev, 0x3f, &temp);
+ temp |= 0x80;
+ dm_write_reg(dev, 0x3f, temp);
+ }
+
+ //Stone add for check Product ID == 0x1269
+ tmpwPtr2= kmalloc (2, GFP_ATOMIC);
+ if (!tmpwPtr2)
+ {
+ printk("+++++++++++ JJ5 dm_read_reg() Error: can not kmalloc!\n"); //usbnet_suspend (intf, message);
+ return 0;
+ }
+ ret =dm_read(dev, DM_PID, 2, tmpwPtr2);
+
+ if (*tmpwPtr2 == 0x1269)
+ dm_write_reg(dev, DM_SMIREG, 0xa0);
+
+ if (*tmpwPtr2 == 0x0269)
+ dm_write_reg(dev, DM_SMIREG, 0xa0);
+
+ kfree (tmpwPtr2);
+
/* power up phy */
dm_write_reg(dev, DM_GPR_CTRL, 1);
dm_write_reg(dev, DM_GPR_DATA, 0);
/* Hank add, work for comapubility issue (10M Power control) */
dm9620_mdio_write(dev->net, dev->mii.phy_id, PHY_SPEC_CFG, 0x800);
- //printk("[dm96] dm962++ write phy[20]= 0x800\n");
mdio_val = dm9620_mdio_read(dev->net, dev->mii.phy_id, PHY_SPEC_CFG);
- //printk("[dm96] dm962++ read phy[20]= %x\n",mdio_val );
dm9620_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
void dm9620_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct dm96xx_priv* priv= dev->driver_priv;
-//u8 opt=0;
-//int i;
printk("dm9620_unbind():\n");
- printk("flag_fail_count %lu\n", (long unsigned int)priv->flag_fail_count);
+ //printk("flag_fail_count %lu\n", (long unsigned int)priv->flag_fail_count);
+ printk("flg_txdbg %lu\n", (long unsigned int)priv->flg_txdbg);
kfree(dev->driver_priv); // displayed dev->.. above, then can free dev
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
printk("rx_missed_errors %lu\n",dev->stats.rx_missed_errors);
#endif
-// check if dm9620 receive magic packet
-//i=dm_read_reg(dev, DM_WAKEUP_CTRL, &opt);
-// printk("rx_magic_packet %lu\n",i);
}
dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
return 0;
}
-
- //. struct dm96xx_priv* priv= dev->driver_priv;
- // if (skb->data[0]!=0x01)
- // priv->flag_fail_count++;
-
+
+ // if (skb->data[0]!=0x01)
+ // priv->flag_fail_count++;
+
status = skb->data[1];
len = (skb->data[2] | (skb->data[3] << 8)) - 4;
return 1;
} // 'priv'
+#define TX_LEN_E (1<<0) //EVEN, No action
+#define TX_LEN_O (1<<1) //ODD, Odd to even workaround
+#define TX_LEN_F (1<<2) //FULL, Full payload workaround
+u8 TxStyle(int len, unsigned full_payload){
+ u8 s= (len%2)? TX_LEN_O: TX_LEN_E;
+ len= ((len+1)/2)*2;
+ len += 2;
+ if ((len % full_payload)==0)
+ s |= TX_LEN_F;
+ return s;
+}
+struct sk_buff *TxExpend(struct dm96xx_priv* priv, u8 ts, struct sk_buff *skb, gfp_t flags)
+{
+ int newheadroom= 2, newtailroom= 0;
+ if (ts&TX_LEN_O) newtailroom++;
+ if (ts&TX_LEN_F) newtailroom += 2;
+ if (skb_headroom(skb) >= newheadroom) newheadroom= 0; // head no need expend
+ if (skb_tailroom(skb) >= newtailroom) newtailroom= 0; // tail no need expend
+ if (newheadroom || newtailroom){
+ struct sk_buff *skb2;
+ skb2 = skb_copy_expand(skb, newheadroom, newtailroom, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb){
+ printk("[dm96-TxRound].%d expend copy fail, for head, tail= %d, %d\n", priv->flg_txdbg++, newheadroom, newtailroom);
+ return NULL;
+ }
+ printk("[dm96-TxRound].%d expend copy OK, for head, tail= %d, %d\n", priv->flg_txdbg++, newheadroom, newtailroom);
+ }
+ return skb;
+}
static struct sk_buff *dm9620_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
int len;
+ int newheadroom, newtailroom;
+ struct dm96xx_priv* priv = (struct dm96xx_priv *)dev->driver_priv;
/* format:
b0: packet length low
len = skb->len;
+ if (priv->tx_fix_mod<3)
+ {
+ /*
if (skb_headroom(skb) < DM_TX_OVERHEAD) {
struct sk_buff *skb2;
skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
__skb_push(skb, DM_TX_OVERHEAD);
- /* usbnet adds padding if length is a multiple of packet size
- if so, adjust length value in header */
if ((skb->len % dev->maxpacket) == 0)
len++;
+ */
+ //;DM9620-E4,E5, and E6
+ /* usbnet adds padding 1 byte if odd len */
+ /* usbnet adds padding 2 bytes if length is a multiple of packet size
+ if so, adjust length value in header */
+ u8 TS= TxStyle(len, dev->maxpacket); //
+ if (!(skb= TxExpend(priv, TS, skb, flags))) return NULL; //
+
+ if (TS & TX_LEN_F) len += 2;
+
+ newheadroom= 2; //2
+ newtailroom= 0; //0, 1, 2, or 3
+ if (TS & TX_LEN_O) newtailroom++;
+ if (TS & TX_LEN_F) newtailroom += 2;
+
+ if (TS & TX_LEN_O) printk("[dm96-TxRound].%d for LEN_ODD tail_room +1, rslt add %d\n", priv->flg_txdbg, newtailroom);
+ if (TS & TX_LEN_F) printk("[dm96-TxRound].%d for LEN_PLOAD tail_room +2, rslt add %d\n", priv->flg_txdbg, newtailroom);
+ if (TS & TX_LEN_F) printk("[dm96-TxRound].%d for LEN_PLOAD data_len +2, len from %d to %d\n", priv->flg_txdbg, len-2, len);
+ if (TS & (TX_LEN_O|TX_LEN_F)) priv->flg_txdbg++;
+
+ __skb_push(skb, newheadroom); //2 bytes,for data[0],data[1]
+ __skb_put(skb, newtailroom); //0, 1, 2, or 3 bytes (for tailer),
+ //Note: 0, NOTHING
+ //Note: 1, Odd to even WORKAROUND.
+ //Note: 2 or 3, the condition is full payload,
+ // This is the add more two bytes WORKAROUND
+ // for bulkout and buffLen.
+ }
+ else
+ {
+ //;DM9620-E7
+ if (skb_headroom(skb) < DM_TX_OVERHEAD) {
+ struct sk_buff *skb2;
+ skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ newheadroom= 2; //2
+ __skb_push(skb, newheadroom); //2 bytes, for data[0],data[1]
+ }
+
skb->data[0] = len;
skb->data[1] = len >> 8;
}
else
netif_carrier_off(dev->net);
- devdbg(dev, "Link Status is: %d", link);
+ dm9620_print(dev, "Link Status is: %d", link);
}
}
mii_ethtool_gset(&dev->mii, &ecmd);
/* hank add*/
dm9620_mdio_write(dev->net, dev->mii.phy_id, PHY_SPEC_CFG, 0x800);
- devdbg(dev, "link_reset() speed: %d duplex: %d",
- ecmd.speed, ecmd.duplex);
+ dm9620_print(dev, "link_reset() speed: %d duplex: %d",
+ ecmd.speed, ecmd.duplex);
return 0;
}
.rx_fixup = dm9620_rx_fixup,
.tx_fixup = dm9620_tx_fixup,
.status = dm9620_status,
-#ifdef RK2818 //harris 2010.12.27
-
-#else
.link_reset = dm9620_link_reset,
.reset = dm9620_link_reset,
-#endif
.unbind = dm9620_unbind,
};
USB_DEVICE(0x0a47, 0x9601), /* Hirose USB-100 */
.driver_info = (unsigned long)&dm9620_info,
},
- {
- USB_DEVICE(0x0a46, 0x9620), /* Davicom 9620 */
- .driver_info = (unsigned long)&dm9620_info,
- },
- {
- USB_DEVICE(0x0a46, 0x9621), /* Davicom 9621 */
- .driver_info = (unsigned long)&dm9620_info,
- },
- {
- USB_DEVICE(0x0a46, 0x9622), /* Davicom 9622 */
- .driver_info = (unsigned long)&dm9620_info,
- },
- {
- USB_DEVICE(0x0fe6, 0x8101), /* Davicom 9601 USB to Fast Ethernet Adapter */
- .driver_info = (unsigned long)&dm9620_info,
- },
+ {
+ USB_DEVICE(0x0a46, 0x9620), /* Davicom 9620 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9622), /* Davicom 9622 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0fe6, 0x8101), /* Davicom 9601 USB to Fast Ethernet Adapter */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x0269), /* Davicom 9620A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //+
+ //VID.00
+ //0.0000 0000 0000
+ {
+ USB_DEVICE(0x0000, 0x9620), /* Davicom 9620 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0000, 0x0269), /* Davicom 9620A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0000, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0000, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //1.0000 0000 0010
+ //2.0000 0000 0100
+ //3.0000 0000 0110
+ //4.0000 0100 0000
+ //5.0000 0100 0010
+ //6.0000 0100 0100
+ //7.0000 0100 0110
+ {
+ USB_DEVICE(0x0002, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0002, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0004, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0004, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0006, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0006, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0040, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0040, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0042, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0042, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0044, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0044, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //7.0000 0100 0110 (0A46)
+ {
+ USB_DEVICE(0x0046, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0046, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ // ..
+
+ //8.0010 0000 0000
+ //9.0010 0000 0010
+ //A.0010 0000 0100
+ //B.0010 0000 0110
+ //C.0010 0100 0000
+ //D.0010 0100 0010
+ //E.0010 0100 0100
+ //F.0010 0100 0110
+ {
+ USB_DEVICE(0x0200, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0200, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0202, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0202, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0204, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0204, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0206, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0206, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0240, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0240, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0242, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0242, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0244, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0244, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //F.0010 0100 0110 (0A46)
+ {
+ USB_DEVICE(0x0246, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0246, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ // ..
+
+ //10.1000 0000 0000
+ //11.1000 0000 0010
+ //12.1000 0000 0100
+ //13.1000 0000 0110
+ //14.1000 0100 0000
+ //15.1000 0100 0010
+ //16.1000 0100 0100
+ //17.1000 0100 0110
+ {
+ USB_DEVICE(0x0800, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0800, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0802, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0802, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0804, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0804, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0806, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0806, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0840, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0840, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0842, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0842, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0844, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0844, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //17.1010 0100 0110 (0A46)
+ {
+ USB_DEVICE(0x0846, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0846, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ // ..
+
+ //18.1010 0000 0000
+ //19.1010 0000 0010
+ //1A.1010 0000 0100
+ //1B.1010 0000 0110
+ //1C.1010 0100 0000
+ //1D.1010 0100 0010
+ //1E.1010 0100 0100
+ {
+ USB_DEVICE(0x0A00, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A00, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A02, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A02, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A04, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A04, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A06, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A06, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A40, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A40, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A42, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A42, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A44, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0A44, 0x1269), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ //1F.1010 0100 0110 (0A46)
+ // .Original Default.
+ //+
+ //1268, 1200
+ {
+ USB_DEVICE(0x0000, 0x1268), /* Davicom 9621A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0000, 0x1200), /* Davicom 9620A CDC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0000, 0x1220), /* Davicom 9620A CDC, 1220 test mode */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
{}, // END
};
MODULE_DEVICE_TABLE(usb, products);
static struct usb_driver dm9620_driver = {
-// .name = "dm9601",
.name = "dm9620",
.id_table = products,
.probe = usbnet_probe,
projects / firefly-linux-kernel-4.4.55.git / commitdiff