C++ SET_NETDEV_DEV函数代码示例

static int zfLnxProbe(struct usb_interface *interface,
	const struct usb_device_id *id)
{
    struct usb_device *dev = interface_to_usbdev(interface);

    struct net_device *net = NULL;
    struct usbdrv_private *macp = NULL;
    int vendor_id, product_id;
    int result = 0;

    usb_get_dev(dev);

    vendor_id = dev->descriptor.idVendor;
    product_id = dev->descriptor.idProduct;

#ifdef HMAC_DEBUG
    printk(KERN_NOTICE "vendor_id = %04x\n", vendor_id);
    printk(KERN_NOTICE "product_id = %04x\n", product_id);

    if (dev->speed == USB_SPEED_HIGH)
        printk(KERN_NOTICE "USB 2.0 Host\n");
    else
        printk(KERN_NOTICE "USB 1.1 Host\n");
#endif

    if (!(macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL)))
    {
        printk(KERN_ERR "out of memory allocating device structure\n");
        result = -ENOMEM;
        goto fail;
    }

    /* Zero the memory */
    memset(macp, 0, sizeof(struct usbdrv_private));

    net = alloc_etherdev(0);

    if (net == NULL)
    {
        printk(KERN_ERR "zfLnxProbe: Not able to alloc etherdev struct\n");
        result = -ENOMEM;
        goto fail1;
    }

    strcpy(net->name, "ath%d");

    net->ml_priv = macp;   //kernel 2.6
    macp->udev = dev;
    macp->device = net;

    /* set up the endpoint information */
    /* check out the endpoints */
    macp->interface = interface;

    //init_waitqueue_head(&macp->regSet_wait);
    //init_waitqueue_head(&macp->iorwRsp_wait);
    //init_waitqueue_head(&macp->term_wait);

    if (!zfLnxAllocAllUrbs(macp))
    {
        result = -ENOMEM;
        goto fail2;
    }

    if (!zfLnxInitSetup(net, macp))
    {
        result = -EIO;
        goto fail3;
    }
    else
    {
        usb_set_intfdata(interface, macp);
        SET_NETDEV_DEV(net, &interface->dev);

        if (register_netdev(net) != 0)
        {
            usb_set_intfdata(interface, NULL);
            goto fail3;
        }
    }

    netif_carrier_off(net);
    goto done;

fail3:
    zfLnxFreeAllUrbs(macp);
fail2:
    free_netdev(net);  //kernel 2.6
fail1:
    kfree(macp);

fail:
    usb_put_dev(dev);
    macp = NULL;

done:
    return result;
}

static int __devinit mace_probe(struct platform_device *pdev)
{
	int j;
	struct mace_data *mp;
	unsigned char *addr;
	struct net_device *dev;
	unsigned char checksum = 0;
	static int found = 0;
	int err;

	if (found || macintosh_config->ether_type != MAC_ETHER_MACE)
		return -ENODEV;

	found = 1;	/* prevent 'finding' one on every device probe */

	dev = alloc_etherdev(PRIV_BYTES);
	if (!dev)
		return -ENOMEM;

	mp = netdev_priv(dev);

	mp->device = &pdev->dev;
	SET_NETDEV_DEV(dev, &pdev->dev);

	dev->base_addr = (u32)MACE_BASE;
	mp->mace = (volatile struct mace *) MACE_BASE;

	dev->irq = IRQ_MAC_MACE;
	mp->dma_intr = IRQ_MAC_MACE_DMA;

	mp->chipid = mp->mace->chipid_hi << 8 | mp->mace->chipid_lo;

	/*
	 * The PROM contains 8 bytes which total 0xFF when XOR'd
	 * together. Due to the usual peculiar apple brain damage
	 * the bytes are spaced out in a strange boundary and the
	 * bits are reversed.
	 */

	addr = (void *)MACE_PROM;

	for (j = 0; j < 6; ++j) {
		u8 v = bitrev8(addr[j<<4]);
		checksum ^= v;
		dev->dev_addr[j] = v;
	}
	for (; j < 8; ++j) {
		checksum ^= bitrev8(addr[j<<4]);
	}

	if (checksum != 0xFF) {
		free_netdev(dev);
		return -ENODEV;
	}

	dev->netdev_ops		= &mace_netdev_ops;
	dev->watchdog_timeo	= TX_TIMEOUT;

	printk(KERN_INFO "%s: 68K MACE, hardware address %pM\n",
	       dev->name, dev->dev_addr);

	err = register_netdev(dev);
	if (!err)
		return 0;

	free_netdev(dev);
	return err;
}

//.........这里部分代码省略.........
	/*
	 * Now do everything the same as a PCI device
	 * [MSM] TODO: We could probably factor this out of pcmcia/pci/plx
	 * and perhaps usb.  Perhaps a task for another day.......
	 */

	if ((wlandev = create_wlan()) == NULL) {
		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
		result = -EIO;
		goto failed;
	}

	hw = wlandev->priv;

	if ( wlan_setup(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
		result = -EIO;
		goto failed;
	}

	/* Setup netdevice's ability to report resources
	 * Note: the netdevice was allocated by wlan_setup()
	 */
        wlandev->netdev->irq = pdev->irq;
        wlandev->netdev->base_addr = pccard_ioaddr;
        wlandev->netdev->mem_start = (unsigned long)attr_mem;
        wlandev->netdev->mem_end = (unsigned long)attr_mem + pci_resource_len(pdev, 0);

	/* Initialize the hw data */
        hfa384x_create(hw, wlandev->netdev->irq, pccard_ioaddr, attr_mem);
	hw->wlandev = wlandev;

	/* Register the wlandev, this gets us a name and registers the
	 * linux netdevice.
	 */
	SET_MODULE_OWNER(wlandev->netdev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
       SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev));
#endif
        if ( register_wlandev(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
		result = -EIO;
		goto failed;
        }

#if 0
	/* TODO: Move this and an irq test into an hfa384x_testif() routine.
	 */
	outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	if ( reg != PRISM2STA_MAGIC ) {
		WLAN_LOG_ERROR("MAC register access test failed!\n");
 		result = -EIO;
		goto failed;
	}
#endif

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw,
				prism2_reset_holdtime,
				prism2_reset_settletime, 0);
		if (result != 0) {
			unregister_wlandev(wlandev);
			hfa384x_destroy(hw);
			WLAN_LOG_ERROR(
				"%s: hfa384x_corereset() failed.\n",
				dev_info);
			result = -EIO;
			goto failed;
		}
	}

	pci_set_drvdata(pdev, wlandev);

	/* Shouldn't actually hook up the IRQ until we
	 * _know_ things are alright.  A test routine would help.
	 */
       	request_irq(wlandev->netdev->irq, hfa384x_interrupt,
		SA_SHIRQ, wlandev->name, wlandev);

	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	result = 0;

	goto done;

 failed:

	pci_set_drvdata(pdev, NULL);
	if (wlandev)	kfree(wlandev);
	if (hw)		kfree(hw);
        if (attr_mem)        iounmap(attr_mem);
	pci_release_regions(pdev);
        pci_disable_device(pdev);

 done:
	DBFEXIT;
        return result;
}

/*
 * This function registers the device with CFG802.11 subsystem.
 *
 * The function creates the wireless device/wiphy, populates it with
 * default parameters and handler function pointers, and finally
 * registers the device.
 */
int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,
			      struct mwifiex_private *priv)
{
	int ret;
	void *wdev_priv;
	struct wireless_dev *wdev;

	wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
	if (!wdev) {
		dev_err(priv->adapter->dev, "%s: allocating wireless device\n",
						__func__);
		return -ENOMEM;
	}
	wdev->wiphy =
		wiphy_new(&mwifiex_cfg80211_ops,
			  sizeof(struct mwifiex_private *));
	if (!wdev->wiphy) {
		kfree(wdev);
		return -ENOMEM;
	}
	wdev->iftype = NL80211_IFTYPE_STATION;
	wdev->wiphy->max_scan_ssids = 10;
	wdev->wiphy->interface_modes =
		BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);

	wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
	mwifiex_setup_ht_caps(
		&wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);

	if (priv->adapter->config_bands & BAND_A) {
		wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
		mwifiex_setup_ht_caps(
			&wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
	} else {
		wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
	}

	/* Initialize cipher suits */
	wdev->wiphy->cipher_suites = mwifiex_cipher_suites;
	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);

	memcpy(wdev->wiphy->perm_addr, mac, 6);
	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;

	/* We are using custom domains */
	wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;

	wdev->wiphy->reg_notifier = mwifiex_reg_notifier;

	/* Set struct mwifiex_private pointer in wiphy_priv */
	wdev_priv = wiphy_priv(wdev->wiphy);

	*(unsigned long *) wdev_priv = (unsigned long) priv;

	set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev);

	ret = wiphy_register(wdev->wiphy);
	if (ret < 0) {
		dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
						__func__);
		wiphy_free(wdev->wiphy);
		kfree(wdev);
		return ret;
	} else {
		dev_dbg(priv->adapter->dev,
				"info: successfully registered wiphy device\n");
	}

	dev_net_set(dev, wiphy_net(wdev->wiphy));
	dev->ieee80211_ptr = wdev;
	memcpy(dev->dev_addr, wdev->wiphy->perm_addr, 6);
	memcpy(dev->perm_addr, wdev->wiphy->perm_addr, 6);
	SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy));
	priv->wdev = wdev;

	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
	dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
	dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;

	return ret;
}

/*
 * probe function for new CPC-USB devices
 */
static int ems_usb_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
{
	struct net_device *netdev;
	struct ems_usb *dev;
	int i, err = -ENOMEM;

	netdev = alloc_candev(sizeof(struct ems_usb), MAX_TX_URBS);
	if (!netdev) {
		dev_err(&intf->dev, "ems_usb: Couldn't alloc candev\n");
		return -ENOMEM;
	}

	dev = netdev_priv(netdev);

	dev->udev = interface_to_usbdev(intf);
	dev->netdev = netdev;

	dev->can.state = CAN_STATE_STOPPED;
	dev->can.clock.freq = EMS_USB_ARM7_CLOCK;
	dev->can.bittiming_const = &ems_usb_bittiming_const;
	dev->can.do_set_bittiming = ems_usb_set_bittiming;
	dev->can.do_set_mode = ems_usb_set_mode;
	dev->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;

	netdev->netdev_ops = &ems_usb_netdev_ops;

	netdev->flags |= IFF_ECHO; /* we support local echo */

	init_usb_anchor(&dev->rx_submitted);

	init_usb_anchor(&dev->tx_submitted);
	atomic_set(&dev->active_tx_urbs, 0);

	for (i = 0; i < MAX_TX_URBS; i++)
		dev->tx_contexts[i].echo_index = MAX_TX_URBS;

	dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
	if (!dev->intr_urb) {
		dev_err(&intf->dev, "Couldn't alloc intr URB\n");
		goto cleanup_candev;
	}

	dev->intr_in_buffer = kzalloc(INTR_IN_BUFFER_SIZE, GFP_KERNEL);
	if (!dev->intr_in_buffer)
		goto cleanup_intr_urb;

	dev->tx_msg_buffer = kzalloc(CPC_HEADER_SIZE +
				     sizeof(struct ems_cpc_msg), GFP_KERNEL);
	if (!dev->tx_msg_buffer)
		goto cleanup_intr_in_buffer;

	usb_set_intfdata(intf, dev);

	SET_NETDEV_DEV(netdev, &intf->dev);

	init_params_sja1000(&dev->active_params);

	err = ems_usb_command_msg(dev, &dev->active_params);
	if (err) {
		netdev_err(netdev, "couldn't initialize controller: %d\n", err);
		goto cleanup_tx_msg_buffer;
	}

	err = register_candev(netdev);
	if (err) {
		netdev_err(netdev, "couldn't register CAN device: %d\n", err);
		goto cleanup_tx_msg_buffer;
	}

	return 0;

cleanup_tx_msg_buffer:
	kfree(dev->tx_msg_buffer);

cleanup_intr_in_buffer:
	kfree(dev->intr_in_buffer);

cleanup_intr_urb:
	usb_free_urb(dev->intr_urb);

cleanup_candev:
	free_candev(netdev);

	return err;
}

static int com20020_config(struct pcmcia_device *link)
{
    struct arcnet_local *lp;
    com20020_dev_t *info;
    struct net_device *dev;
    int i, ret;
    int ioaddr;

    info = link->priv;
    dev = info->dev;

    dev_dbg(&link->dev, "config...\n");

    dev_dbg(&link->dev, "com20020_config\n");

    dev_dbg(&link->dev, "baseport1 is %Xh\n",
	    (unsigned int) link->resource[0]->start);

    i = -ENODEV;
    link->io_lines = 16;

    if (!link->resource[0]->start)
    {
	for (ioaddr = 0x100; ioaddr < 0x400; ioaddr += 0x10)
	{
	    link->resource[0]->start = ioaddr;
	    i = pcmcia_request_io(link);
	    if (i == 0)
		break;
	}
    }
    else
	i = pcmcia_request_io(link);
    
    if (i != 0)
    {
	dev_dbg(&link->dev, "requestIO failed totally!\n");
	goto failed;
    }
	
    ioaddr = dev->base_addr = link->resource[0]->start;
    dev_dbg(&link->dev, "got ioaddr %Xh\n", ioaddr);

    dev_dbg(&link->dev, "request IRQ %d\n",
	    link->irq);
    if (!link->irq)
    {
	dev_dbg(&link->dev, "requestIRQ failed totally!\n");
	goto failed;
    }

    dev->irq = link->irq;

    ret = pcmcia_enable_device(link);
    if (ret)
	    goto failed;

    if (com20020_check(dev))
    {
	regdump(dev);
	goto failed;
    }
    
    lp = netdev_priv(dev);
    lp->card_name = "PCMCIA COM20020";
    lp->card_flags = ARC_CAN_10MBIT; /* pretend all of them can 10Mbit */

    SET_NETDEV_DEV(dev, &link->dev);

    i = com20020_found(dev, 0);	/* calls register_netdev */
    
    if (i != 0) {
	dev_notice(&link->dev,
		   "com20020_found() failed\n");
	goto failed;
    }

    netdev_dbg(dev, "port %#3lx, irq %d\n",
	       dev->base_addr, dev->irq);
    return 0;

failed:
    dev_dbg(&link->dev, "com20020_config failed...\n");
    com20020_release(link);
    return -ENODEV;
} /* com20020_config */

/*
 * ---------------------------------------------------------------------------
 *  register_unifi_sdio
 *
 *      This function is called from the Probe (or equivalent) method of
 *      the SDIO driver when a UniFi card is detected.
 *      We allocate the Linux net_device struct, initialise the HIP core
 *      lib, create the char device nodes and start the userspace helper
 *      to initialise the device.
 *
 *  Arguments:
 *      sdio_dev        Pointer to SDIO context handle to use for all
 *                      SDIO ops.
 *      bus_id          A small number indicating the SDIO card position on the
 *                      bus. Typically this is the slot number, e.g. 0, 1 etc.
 *                      Valid values are 0 to MAX_UNIFI_DEVS-1.
 *      dev             Pointer to kernel device manager struct.
 *
 *  Returns:
 *      Pointer to the unifi instance, or NULL on error.
 * ---------------------------------------------------------------------------
 */
static unifi_priv_t *
register_unifi_sdio(CsrSdioFunction *sdio_dev, int bus_id, struct device *dev)
{
    unifi_priv_t *priv = NULL;
    int r = -1;
    CsrResult csrResult;

    func_enter();

    if ((bus_id < 0) || (bus_id >= MAX_UNIFI_DEVS)) {
        unifi_error(priv, "register_unifi_sdio: invalid device %d\n",
                bus_id);
        return NULL;
    }

    down(&Unifi_instance_mutex);

    if (In_use[bus_id] != UNIFI_DEV_NOT_IN_USE) {
        unifi_error(priv, "register_unifi_sdio: device %d is already in use\n",
                bus_id);
        goto failed0;
    }


    /* Allocate device private and net_device structs */
    priv = uf_alloc_netdevice(sdio_dev, bus_id);
    if (priv == NULL) {
        unifi_error(priv, "Failed to allocate driver private\n");
        goto failed0;
    }

    priv->unifi_device = dev;

    SET_NETDEV_DEV(priv->netdev[0], dev);

    /* We are not ready to send data yet. */
    netif_carrier_off(priv->netdev[0]);

    /* Allocate driver context. */
    priv->card = unifi_alloc_card(priv->sdio, priv);
    if (priv->card == NULL) {
        unifi_error(priv, "Failed to allocate UniFi driver card struct.\n");
        goto failed1;
    }

    if (Unifi_instances[bus_id]) {
        unifi_error(priv, "Internal error: instance for slot %d is already taken\n",
                bus_id);
    }
    Unifi_instances[bus_id] = priv;
    In_use[bus_id] = UNIFI_DEV_IN_USE;

    /* Save the netdev_priv for use by the netdev event callback mechanism */
    Unifi_netdev_instances[bus_id * CSR_WIFI_NUM_INTERFACES] = netdev_priv(priv->netdev[0]);

    /* Initialise the mini-coredump capture buffers */
    csrResult = unifi_coredump_init(priv->card, (CsrUint16)coredump_max);
    if (csrResult != CSR_RESULT_SUCCESS) {
        unifi_error(priv, "Couldn't allocate mini-coredump buffers\n");
    }

    /* Create the character device nodes */
    r = uf_create_device_nodes(priv, bus_id);
    if (r) {
        goto failed1;
    }

    /*
     * We use the slot number as unifi device index.
     */
    snprintf(priv->proc_entry_name, 64, "driver/unifi%d", priv->instance);
    /*
     * The following complex casting is in place in order to eliminate 64-bit compilation warning 
     * "cast to/from pointer from/to integer of different size"
     */
    if (!proc_create_data(priv->proc_entry_name, 0, NULL,
                &uf_proc_fops, (void *)(long)priv->instance))
    {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		bus->read = bcm_enet_mdio_read_phylib;
		bus->write = bcm_enet_mdio_write_phylib;
		sprintf(bus->id, "%d", priv->mac_id);

		/* only probe bus where we think the PHY is, because
		 * the mdio read operation return 0 instead of 0xffff
		 * if a slave is not present on hw */
		bus->phy_mask = ~(1 << priv->phy_id);

		bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
		if (!bus->irq) {
			ret = -ENOMEM;
			goto err;
		}

		if (priv->has_phy_interrupt)
			bus->irq[priv->phy_id] = priv->phy_interrupt;
		else
			bus->irq[priv->phy_id] = PHY_POLL;

		ret = mdiobus_register(bus);
		if (ret) {
			dev_err(&pdev->dev, "unable to register mdio bus\n");
			goto err;
		}
		mdio_registered = 1;
	} else {

		/* run platform code to initialize PHY device */
		if (pd->mii_config &&
		    pd->mii_config(dev, 1, bcm_enet_mdio_read_mii,
				   bcm_enet_mdio_write_mii)) {
			dev_err(&pdev->dev, "unable to configure mdio bus\n");
			goto err;
		}
	}

	spin_lock_init(&priv->rx_lock);

	/* init rx timeout (used for oom) */
	init_timer(&priv->rx_timeout);
	priv->rx_timeout.function = bcm_enet_refill_rx_timer;
	priv->rx_timeout.data = (unsigned long)dev;

	/* init the mib update lock&work */
	mutex_init(&priv->mib_update_lock);
	INIT_WORK(&priv->mib_update_task, bcm_enet_update_mib_counters_defer);

	/* zero mib counters */
	for (i = 0; i < ENET_MIB_REG_COUNT; i++)
		enet_writel(priv, 0, ENET_MIB_REG(i));

	/* register netdevice */
	dev->open = bcm_enet_open;
	dev->stop = bcm_enet_stop;
	dev->hard_start_xmit = bcm_enet_start_xmit;
	dev->get_stats = bcm_enet_get_stats;
	dev->set_mac_address = bcm_enet_set_mac_address;
	dev->set_multicast_list = bcm_enet_set_multicast_list;
	netif_napi_add(dev, &priv->napi, bcm_enet_poll, 16);
	dev->do_ioctl = bcm_enet_ioctl;
#ifdef CONFIG_NET_POLL_CONTROLLER
	dev->poll_controller = bcm_enet_netpoll;
#endif

	SET_ETHTOOL_OPS(dev, &bcm_enet_ethtool_ops);

	ret = register_netdev(dev);
	if (ret)
		goto err;

	platform_set_drvdata(pdev, dev);
	priv->pdev = pdev;
	priv->net_dev = dev;
	SET_NETDEV_DEV(dev, &pdev->dev);

	return 0;

err:
	if (mem_requested)
		release_mem_region(res_mem->start, iomem_size);
	if (mdio_registered)
		mdiobus_unregister(&priv->mii_bus);
	kfree(priv->mii_bus.irq);
	if (priv->mac_clk) {
		clk_disable(priv->mac_clk);
		clk_put(priv->mac_clk);
	}
	if (priv->phy_clk) {
		clk_disable(priv->phy_clk);
		clk_put(priv->phy_clk);
	}
	if (priv->base) {
		/* turn off mdc clock */
		enet_writel(priv, 0, ENET_MIISC_REG);
		iounmap(priv->base);
	}
	free_netdev(dev);
	return ret;
}

int
usbnet_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;
	struct usb_driver 	*driver = to_usb_driver(udev->dev.driver);

	/* usbnet already took usb runtime pm, so have to enable the feature
	 * for usb interface, otherwise usb_autopm_get_interface may return
	 * failure if USB_SUSPEND(RUNTIME_PM) is enabled.
	 */
	if (!driver->supports_autosuspend) {
		driver->supports_autosuspend = 1;
		pm_runtime_enable(&udev->dev);
	}

	name = udev->dev.driver->name;
	info = (struct driver_info *) prod->driver_info;
	if (!info) {
		dev_dbg (&udev->dev, "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;
	}

	/* netdev_printk() needs this so do it as early as possible */
	SET_NETDEV_DEV(net, &udev->dev);

	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);
	skb_queue_head_init (&dev->rxq);
	skb_queue_head_init (&dev->txq);
	skb_queue_head_init (&dev->done);
	skb_queue_head_init(&dev->rxq_pause);
	INIT_WORK(&dev->bh_w, usbnet_bh_w);
	INIT_WORK (&dev->kevent, kevent);
	init_usb_anchor(&dev->deferred);
	dev->delay.function = usbnet_bh;
	dev->delay.data = (unsigned long) dev;
	init_timer (&dev->delay);
	mutex_init (&dev->phy_mutex);

	dev->net = net;
	strcpy (net->name, "usb%d");
	memcpy (net->dev_addr, node_id, sizeof node_id);

	/* 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

	net->netdev_ops = &usbnet_netdev_ops;
	net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
	net->ethtool_ops = &usbnet_ethtool_ops;

	// allow device-specific bind/init procedures
	// NOTE net->name still not usable ...
	if (info->bind) {
		status = info->bind (dev, udev);
		if (status < 0)
			goto out1;

		// heuristic:  "usb%d" for links we know are two-host,
		// else "eth%d" when there's reasonable doubt.  userspace
		// can rename the link if it knows better.
		if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
		    ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 ||
		     (net->dev_addr [0] & 0x02) == 0))
			strcpy (net->name, "eth%d");
		/* WLAN devices should always be named "wlan%d" */
		if ((dev->driver_info->flags & FLAG_WLAN) != 0)
			strcpy(net->name, "wlan%d");
		/* WWAN devices should always be named "wwan%d" */
//.........这里部分代码省略.........

static int
rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct net_device *dev;
	struct netdev_private *np;
	static int card_idx;
	int chip_idx = ent->driver_data;
	int err, irq;
	void __iomem *ioaddr;
	static int version_printed;
	void *ring_space;
	dma_addr_t ring_dma;

	if (!version_printed++)
		printk ("%s", version);

	err = pci_enable_device (pdev);
	if (err)
		return err;

	irq = pdev->irq;
	err = pci_request_regions (pdev, "dl2k");
	if (err)
		goto err_out_disable;

	pci_set_master (pdev);

	err = -ENOMEM;

	dev = alloc_etherdev (sizeof (*np));
	if (!dev)
		goto err_out_res;
	SET_NETDEV_DEV(dev, &pdev->dev);

	np = netdev_priv(dev);

	/* IO registers range. */
	ioaddr = pci_iomap(pdev, 0, 0);
	if (!ioaddr)
		goto err_out_dev;
	np->eeprom_addr = ioaddr;

#ifdef MEM_MAPPING
	/* MM registers range. */
	ioaddr = pci_iomap(pdev, 1, 0);
	if (!ioaddr)
		goto err_out_iounmap;
#endif
	np->ioaddr = ioaddr;
	np->chip_id = chip_idx;
	np->pdev = pdev;
	spin_lock_init (&np->tx_lock);
	spin_lock_init (&np->rx_lock);

	/* Parse manual configuration */
	np->an_enable = 1;
	np->tx_coalesce = 1;
	if (card_idx < MAX_UNITS) {
		if (media[card_idx] != NULL) {
			np->an_enable = 0;
			if (strcmp (media[card_idx], "auto") == 0 ||
			    strcmp (media[card_idx], "autosense") == 0 ||
			    strcmp (media[card_idx], "0") == 0 ) {
				np->an_enable = 2;
			} else if (strcmp (media[card_idx], "100mbps_fd") == 0 ||
			    strcmp (media[card_idx], "4") == 0) {
				np->speed = 100;
				np->full_duplex = 1;
			} else if (strcmp (media[card_idx], "100mbps_hd") == 0 ||
				   strcmp (media[card_idx], "3") == 0) {
				np->speed = 100;
				np->full_duplex = 0;
			} else if (strcmp (media[card_idx], "10mbps_fd") == 0 ||
				   strcmp (media[card_idx], "2") == 0) {
				np->speed = 10;
				np->full_duplex = 1;
			} else if (strcmp (media[card_idx], "10mbps_hd") == 0 ||
				   strcmp (media[card_idx], "1") == 0) {
				np->speed = 10;
				np->full_duplex = 0;
			} else if (strcmp (media[card_idx], "1000mbps_fd") == 0 ||
				 strcmp (media[card_idx], "6") == 0) {
				np->speed=1000;
				np->full_duplex=1;
			} else if (strcmp (media[card_idx], "1000mbps_hd") == 0 ||
				 strcmp (media[card_idx], "5") == 0) {
				np->speed = 1000;
				np->full_duplex = 0;
			} else {
				np->an_enable = 1;
			}
		}
		if (jumbo[card_idx] != 0) {
			np->jumbo = 1;
			dev->mtu = MAX_JUMBO;
		} else {
			np->jumbo = 0;
			if (mtu[card_idx] > 0 && mtu[card_idx] < PACKET_SIZE)
				dev->mtu = mtu[card_idx];
		}
//.........这里部分代码省略.........

static int tc589_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    __be16 *phys_addr;
    int ret, i, j, multi = 0, fifo;
    unsigned int ioaddr;
    static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
    u8 *buf;
    size_t len;

    dev_dbg(&link->dev, "3c589_config\n");

    phys_addr = (__be16 *)dev->dev_addr;
    /* Is this a 3c562? */
    if (link->manf_id != MANFID_3COM)
	    dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
    multi = (link->card_id == PRODID_3COM_3C562);

    link->io_lines = 16;

    /* For the 3c562, the base address must be xx00-xx7f */
    for (i = j = 0; j < 0x400; j += 0x10) {
	if (multi && (j & 0x80)) continue;
	link->resource[0]->start = j ^ 0x300;
	i = pcmcia_request_io(link);
	if (i == 0)
		break;
    }
    if (i != 0)
	goto failed;

    ret = pcmcia_request_irq(link, el3_interrupt);
    if (ret)
	    goto failed;

    ret = pcmcia_enable_device(link);
    if (ret)
	    goto failed;

    dev->irq = link->irq;
    dev->base_addr = link->resource[0]->start;
    ioaddr = dev->base_addr;
    EL3WINDOW(0);

    /* The 3c589 has an extra EEPROM for configuration info, including
       the hardware address.  The 3c562 puts the address in the CIS. */
    len = pcmcia_get_tuple(link, 0x88, &buf);
    if (buf && len >= 6) {
	    for (i = 0; i < 3; i++)
		    phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
	    kfree(buf);
    } else {
	kfree(buf); /* 0 < len < 6 */
	for (i = 0; i < 3; i++)
	    phys_addr[i] = htons(read_eeprom(ioaddr, i));
	if (phys_addr[0] == htons(0x6060)) {
	    dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
		    dev->base_addr, dev->base_addr+15);
	    goto failed;
	}
    }

    /* The address and resource configuration register aren't loaded from
       the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */
    outw(0x3f00, ioaddr + 8);
    fifo = inl(ioaddr);

    /* The if_port symbol can be set when the module is loaded */
    if ((if_port >= 0) && (if_port <= 3))
	dev->if_port = if_port;
    else
	dev_err(&link->dev, "invalid if_port requested\n");

    SET_NETDEV_DEV(dev, &link->dev);

    if (register_netdev(dev) != 0) {
	    dev_err(&link->dev, "register_netdev() failed\n");
	goto failed;
    }

    netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
		(multi ? "562" : "589"), dev->base_addr, dev->irq,
		dev->dev_addr);
    netdev_info(dev, "  %dK FIFO split %s Rx:Tx, %s xcvr\n",
		(fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
		if_names[dev->if_port]);
    return 0;

failed:
    tc589_release(link);
    return -ENODEV;
} /* tc589_config */

static int __devinit rt2870_probe(
	IN struct usb_interface *intf,
	IN struct usb_device *usb_dev,
	IN const struct usb_device_id *dev_id,
	IN RTMP_ADAPTER **ppAd)
{
	struct  net_device		*net_dev = NULL;
	RTMP_ADAPTER       	*pAd = (RTMP_ADAPTER *) NULL;
	INT                 		status, rv;
	PVOID				handle;
	RTMP_OS_NETDEV_OP_HOOK	netDevHook;
	

	DBGPRINT(RT_DEBUG_TRACE, ("===>rt2870_probe()!\n"));
	
	// Check chipset vendor/product ID
	//if (RT28XXChipsetCheck(_dev_p) == FALSE)
	//	goto err_out;

//RtmpDevInit=============================================
	// Allocate RTMP_ADAPTER adapter structure
	handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
	if (handle == NULL)
	{
		printk("rt2870_probe(): Allocate memory for os handle failed!\n");
		return -ENOMEM;
	}
	((POS_COOKIE)handle)->pUsb_Dev = usb_dev;
	
	rv = RTMPAllocAdapterBlock(handle, &pAd);
	if (rv != NDIS_STATUS_SUCCESS) 
	{
		kfree(handle);
		goto err_out;
	}

//USBDevInit==============================================
	if (USBDevConfigInit(usb_dev, intf, pAd) == FALSE)
		goto err_out_free_radev;
	
	RtmpRaDevCtrlInit(pAd, RTMP_DEV_INF_USB);
	
//NetDevInit==============================================
	net_dev = RtmpPhyNetDevInit(pAd, &netDevHook);
	if (net_dev == NULL)
		goto err_out_free_radev;
	
	// Here are the net_device structure with usb specific parameters.
#ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
	/* for supporting Network Manager.
	  * Set the sysfs physical device reference for the network logical device if set prior to registration will 
	  * cause a symlink during initialization.
	 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
	SET_NETDEV_DEV(net_dev, &(usb_dev->dev));
#endif
#endif // NATIVE_WPA_SUPPLICANT_SUPPORT //

#ifdef CONFIG_STA_SUPPORT
    pAd->StaCfg.OriDevType = net_dev->type;
#endif // CONFIG_STA_SUPPORT //

//All done, it's time to register the net device to linux kernel.
	// Register this device
	status = RtmpOSNetDevAttach(net_dev, &netDevHook);
	if (status != 0)
		goto err_out_free_netdev;

#ifdef KTHREAD_SUPPORT
	init_waitqueue_head(&pAd->mlmeTask.kthread_q);
	init_waitqueue_head(&pAd->timerTask.kthread_q);
	init_waitqueue_head(&pAd->cmdQTask.kthread_q);
#endif	

	*ppAd = pAd;

	DBGPRINT(RT_DEBUG_TRACE, ("<===rt2870_probe()!\n"));

	return 0;

	/* --------------------------- ERROR HANDLE --------------------------- */	
err_out_free_netdev:
	RtmpOSNetDevFree(net_dev);
	
err_out_free_radev:
	RTMPFreeAdapter(pAd);
	
err_out:
	*ppAd = NULL;

	return -1;
	
}

static PADAPTER rtw_gspi_if1_init(struct dvobj_priv *dvobj)
{
	int status = _FAIL;
	struct net_device *pnetdev;
	PADAPTER padapter = NULL;


	padapter = (PADAPTER)rtw_zvmalloc(sizeof(*padapter));
	if (NULL == padapter) {
		goto exit;
	}

	padapter->dvobj = dvobj;
	dvobj->if1 = padapter;

	padapter->bDriverStopped = _TRUE;

	dvobj->padapters[dvobj->iface_nums++] = padapter;
	padapter->iface_id = IFACE_ID0;

#if defined(CONFIG_CONCURRENT_MODE) || defined(CONFIG_DUALMAC_CONCURRENT)
	//set adapter_type/iface type for primary padapter
	padapter->isprimary = _TRUE;
	padapter->adapter_type = PRIMARY_ADAPTER;
	#ifndef CONFIG_HWPORT_SWAP
	padapter->iface_type = IFACE_PORT0;
	#else
	padapter->iface_type = IFACE_PORT1;
	#endif
#endif

	padapter->interface_type = RTW_GSPI;
	decide_chip_type_by_device_id(padapter);

	//3 1. init network device data
	pnetdev = rtw_init_netdev(padapter);
	if (!pnetdev)
		goto free_adapter;

	SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));

#ifdef CONFIG_IOCTL_CFG80211
	rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
#endif


	//3 3. init driver special setting, interface, OS and hardware relative
	//4 3.1 set hardware operation functions
	hal_set_hal_ops(padapter);


	//3 5. initialize Chip version
	padapter->intf_start = &gspi_intf_start;
	padapter->intf_stop = &gspi_intf_stop;

	if (rtw_init_io_priv(padapter, spi_set_intf_ops) == _FAIL)
	{
		RT_TRACE(_module_hci_intfs_c_, _drv_err_,
			("rtw_drv_init: Can't init io_priv\n"));
		goto free_hal_data;
	}

	{
		u32 ret = 0;
		DBG_8192C("read start:\n");
		//spi_write8_endian(padapter, SPI_LOCAL_OFFSET | 0xF0, 0x01, 1);
		rtw_write8(padapter, SPI_LOCAL_OFFSET | 0xF0, 0x03);
		ret = rtw_read32(padapter, SPI_LOCAL_OFFSET | 0xF0);
		DBG_8192C("read end 0xF0 read32:%x:\n", ret);
		DBG_8192C("read end 0xF0 read8:%x:\n", rtw_read8(padapter, SPI_LOCAL_OFFSET | 0xF0));

	}

	rtw_hal_read_chip_version(padapter);

	rtw_hal_chip_configure(padapter);


	//3 6. read efuse/eeprom data
	rtw_hal_read_chip_info(padapter);


	//3 7. init driver common data
	if (rtw_init_drv_sw(padapter) == _FAIL) {
		RT_TRACE(_module_hci_intfs_c_, _drv_err_,
			 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
		goto free_hal_data;
	}


	//3 8. get WLan MAC address
	// set mac addr
	rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
	rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr, padapter->eeprompriv.mac_addr);

	rtw_hal_disable_interrupt(padapter);

	DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
		,padapter->bDriverStopped
		,padapter->bSurpriseRemoved
//.........这里部分代码省略.........

static int ipheth_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	struct usb_host_interface *hintf;
	struct usb_endpoint_descriptor *endp;
	struct ipheth_device *dev;
	struct net_device *netdev;
	int i;
	int retval;

	netdev = alloc_etherdev(sizeof(struct ipheth_device));
	if (!netdev)
		return -ENOMEM;

	netdev->netdev_ops = &ipheth_netdev_ops;
	netdev->watchdog_timeo = IPHETH_TX_TIMEOUT;
	strcpy(netdev->name, "eth%d");

	dev = netdev_priv(netdev);
	dev->udev = udev;
	dev->net = netdev;
	dev->intf = intf;

	/* Set up endpoints */
	hintf = usb_altnum_to_altsetting(intf, IPHETH_ALT_INTFNUM);
	if (hintf == NULL) {
		retval = -ENODEV;
		dev_err(&intf->dev, "Unable to find alternate settings interface\n");
		goto err_endpoints;
	}

	for (i = 0; i < hintf->desc.bNumEndpoints; i++) {
		endp = &hintf->endpoint[i].desc;
		if (usb_endpoint_is_bulk_in(endp))
			dev->bulk_in = endp->bEndpointAddress;
		else if (usb_endpoint_is_bulk_out(endp))
			dev->bulk_out = endp->bEndpointAddress;
	}
	if (!(dev->bulk_in && dev->bulk_out)) {
		retval = -ENODEV;
		dev_err(&intf->dev, "Unable to find endpoints\n");
		goto err_endpoints;
	}

	dev->ctrl_buf = kmalloc(IPHETH_CTRL_BUF_SIZE, GFP_KERNEL);
	if (dev->ctrl_buf == NULL) {
		retval = -ENOMEM;
		goto err_alloc_ctrl_buf;
	}

	retval = ipheth_get_macaddr(dev);
	if (retval)
		goto err_get_macaddr;

	INIT_DELAYED_WORK(&dev->carrier_work, ipheth_carrier_check_work);

	retval = ipheth_alloc_urbs(dev);
	if (retval) {
		dev_err(&intf->dev, "error allocating urbs: %d\n", retval);
		goto err_alloc_urbs;
	}

	usb_set_intfdata(intf, dev);

	SET_NETDEV_DEV(netdev, &intf->dev);
	SET_ETHTOOL_OPS(netdev, &ops);

	retval = register_netdev(netdev);
	if (retval) {
		dev_err(&intf->dev, "error registering netdev: %d\n", retval);
		retval = -EIO;
		goto err_register_netdev;
	}

	dev_info(&intf->dev, "Apple iPhone USB Ethernet device attached\n");
	return 0;

err_register_netdev:
	ipheth_free_urbs(dev);
err_alloc_urbs:
err_get_macaddr:
err_alloc_ctrl_buf:
	kfree(dev->ctrl_buf);
err_endpoints:
	free_netdev(netdev);
	return retval;
}

/* Detect MAC & PHY and perform ethernet interface initialization */
static int __init at91ether_probe(struct platform_device *pdev)
{
	struct macb_platform_data *board_data = dev_get_platdata(&pdev->dev);
	struct resource *regs;
	struct net_device *dev;
	struct phy_device *phydev;
	struct macb *lp;
	int res;
	u32 reg;
	const char *mac;

	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!regs)
		return -ENOENT;

	dev = alloc_etherdev(sizeof(struct macb));
	if (!dev)
		return -ENOMEM;

	lp = netdev_priv(dev);
	lp->pdev = pdev;
	lp->dev = dev;
	spin_lock_init(&lp->lock);

	/* physical base address */
	dev->base_addr = regs->start;
	lp->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
	if (!lp->regs) {
		res = -ENOMEM;
		goto err_free_dev;
	}

	/* Clock */
	lp->pclk = devm_clk_get(&pdev->dev, "ether_clk");
	if (IS_ERR(lp->pclk)) {
		res = PTR_ERR(lp->pclk);
		goto err_free_dev;
	}
	clk_enable(lp->pclk);

	lp->hclk = ERR_PTR(-ENOENT);
	lp->tx_clk = ERR_PTR(-ENOENT);

	/* Install the interrupt handler */
	dev->irq = platform_get_irq(pdev, 0);
	res = devm_request_irq(&pdev->dev, dev->irq, at91ether_interrupt, 0, dev->name, dev);
	if (res)
		goto err_disable_clock;

	ether_setup(dev);
	dev->netdev_ops = &at91ether_netdev_ops;
	dev->ethtool_ops = &macb_ethtool_ops;
	platform_set_drvdata(pdev, dev);
	SET_NETDEV_DEV(dev, &pdev->dev);

	mac = of_get_mac_address(pdev->dev.of_node);
	if (mac)
		memcpy(lp->dev->dev_addr, mac, ETH_ALEN);
	else
		macb_get_hwaddr(lp);

	res = of_get_phy_mode(pdev->dev.of_node);
	if (res < 0) {
		if (board_data && board_data->is_rmii)
			lp->phy_interface = PHY_INTERFACE_MODE_RMII;
		else
			lp->phy_interface = PHY_INTERFACE_MODE_MII;
	} else {
		lp->phy_interface = res;
	}

	macb_writel(lp, NCR, 0);

	reg = MACB_BF(CLK, MACB_CLK_DIV32) | MACB_BIT(BIG);
	if (lp->phy_interface == PHY_INTERFACE_MODE_RMII)
		reg |= MACB_BIT(RM9200_RMII);

	macb_writel(lp, NCFGR, reg);

	/* Register the network interface */
	res = register_netdev(dev);
	if (res)
		goto err_disable_clock;

	res = macb_mii_init(lp);
	if (res)
		goto err_out_unregister_netdev;

	/* will be enabled in open() */
	netif_carrier_off(dev);

	phydev = lp->phy_dev;
	netdev_info(dev, "attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
				phydev->drv->name, dev_name(&phydev->dev),
				phydev->irq);

	/* Display ethernet banner */
	netdev_info(dev, "AT91 ethernet at 0x%08lx int=%d (%pM)\n",
				dev->base_addr, dev->irq, dev->dev_addr);
//.........这里部分代码省略.........