C++ rx_submit函数代码示例

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本文整理汇总了C++中rx_submit函数的典型用法代码示例。如果您正苦于以下问题：C++ rx_submit函数的具体用法？C++ rx_submit怎么用？C++ rx_submit使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了rx_submit函数的19个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: rx_fill

static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
{
    struct usb_request	*req;
    unsigned long		flags;
    int			req_cnt = 0;


    spin_lock_irqsave(&dev->req_lock, flags);
    while (!list_empty(&dev->rx_reqs)) {

        if (++req_cnt > qlen(dev->gadget))
            break;

        req = container_of(dev->rx_reqs.next,
                           struct usb_request, list);
        list_del_init(&req->list);
        spin_unlock_irqrestore(&dev->req_lock, flags);

        if (rx_submit(dev, req, gfp_flags) < 0) {
            spin_lock_irqsave(&dev->req_lock, flags);
            list_add(&req->list, &dev->rx_reqs);
            spin_unlock_irqrestore(&dev->req_lock, flags);
            defer_kevent(dev, WORK_RX_MEMORY);
            return;
        }

        spin_lock_irqsave(&dev->req_lock, flags);
    }
    spin_unlock_irqrestore(&dev->req_lock, flags);
}

开发者ID:jekapaty，项目名称:SebastianFM-kernel，代码行数:30，代码来源:u_ether.c

示例2: usbpn_open

static int usbpn_open(struct net_device *dev)
{
    struct usbpn_dev *pnd = netdev_priv(dev);
    int err;
    unsigned i;
    unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;

    err = usb_set_interface(pnd->usb, num, pnd->active_setting);
    if (err)
        return err;

    for (i = 0; i < rxq_size; i++) {
        struct urb *req = usb_alloc_urb(0, GFP_KERNEL);

        if (!req || rx_submit(pnd, req, GFP_KERNEL | __GFP_COLD)) {
            usb_free_urb(req);
            usbpn_close(dev);
            return -ENOMEM;
        }
        pnd->urbs[i] = req;
    }

    netif_wake_queue(dev);
    return 0;
}

开发者ID:nemumu，项目名称:linux，代码行数:25，代码来源:cdc-phonet.c

示例3: rx_fill

static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
{
	struct usb_request	*req;
	unsigned long		flags;
	int			req_cnt = 0;

	/* fill unused rxq slots with some skb */
	spin_lock_irqsave(&dev->req_lock, flags);
	while (!list_empty(&dev->rx_reqs)) {
		/* break the nexus of continuous completion and re-submission*/
		if (++req_cnt > qlen(dev->gadget))
			break;

		req = container_of(dev->rx_reqs.next,
				struct usb_request, list);
		list_del_init(&req->list);
		spin_unlock_irqrestore(&dev->req_lock, flags);

		if (rx_submit(dev, req, gfp_flags) < 0) {
			spin_lock_irqsave(&dev->req_lock, flags);
			list_add(&req->list, &dev->rx_reqs);
			spin_unlock_irqrestore(&dev->req_lock, flags);
			defer_kevent(dev, WORK_RX_MEMORY);
			return;
		}

		spin_lock_irqsave(&dev->req_lock, flags);
	}
	spin_unlock_irqrestore(&dev->req_lock, flags);
}

开发者ID:moonlightly，项目名称:android_kernel_samsung_ms013g，代码行数:30，代码来源:u_ether.c

示例4: usbnet_bh

static void usbnet_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:
			netdev_dbg(dev->net, "bogus skb state %d\n", 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)
					rx_submit (dev, urb, GFP_ATOMIC);
			}
			if (temp != dev->rxq.qlen)
				netif_dbg(dev, link, dev->net,
					  "rxqlen %d --> %d\n",
					  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);
	}
}

开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:58，代码来源:usbnet.c

示例5: rx_fill

static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
{
	struct usb_request	*req;
	unsigned long		flags;

	/* fill unused rxq slots with some skb */
	spin_lock_irqsave(&dev->req_lock, flags);
	while (!list_empty(&dev->rx_reqs)) {
		req = list_first_entry(&dev->rx_reqs, struct usb_request, list);
		list_del_init(&req->list);
		spin_unlock_irqrestore(&dev->req_lock, flags);

		if (rx_submit(dev, req, gfp_flags) < 0) {
			defer_kevent(dev, WORK_RX_MEMORY);
			return;
		}

		spin_lock_irqsave(&dev->req_lock, flags);
	}
	spin_unlock_irqrestore(&dev->req_lock, flags);
}

开发者ID:markus-oberhumer，项目名称:linux，代码行数:21，代码来源:u_ether.c

示例6: rx_fill

static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
{
	struct pci_request	*req;
	unsigned long		flags;

//	printk("%s:%d\n", __func__, __LINE__);
	/* fill unused rxq slots with some skb */
	spin_lock_irqsave(&dev->req_lock, flags);
	while (!list_empty(&dev->rx_reqs)) {
		req = container_of(dev->rx_reqs.next,
				struct pci_request, list);
		list_del_init(&req->list);
		spin_unlock_irqrestore(&dev->req_lock, flags);

		if (rx_submit(dev, req, gfp_flags) < 0) {
			defer_kevent(dev, WORK_RX_MEMORY);
			return;
		}

		spin_lock_irqsave(&dev->req_lock, flags);
	}
	spin_unlock_irqrestore(&dev->req_lock, flags);
}

开发者ID:KHATEEBNSIT，项目名称:lsdk_ar9531，代码行数:23，代码来源:u_ether.c

示例7: usbsvn_start

static int usbsvn_start(struct usbsvn *svn)
{
	struct net_device *dev = svn->netdev;
	int dev_id;
	int i;

	for (dev_id = 0; dev_id < svn->dev_count; dev_id++) {
		for (i = 0; i < rxq_size; i++) {
			int index = dev_id * rxq_size + i;
			struct urb *req = usb_alloc_urb(0, GFP_KERNEL);

			if (!req || rx_submit(svn, dev_id, req, GFP_KERNEL)) {
				usbsvn_stop(svn);
				return -ENOMEM;
			}
			svn->urbs[index] = req;
		}
	}

	netif_wake_queue(dev);

	return 0;
}

开发者ID:myfluxi，项目名称:xxKernel，代码行数:23，代码来源:cdc-svnet.c

示例8: rx_complete

static void rx_complete (struct urb *urb)
{
	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;
	enum skb_state		state;

	skb_put (skb, urb->actual_length);
	state = rx_done;
	entry->urb = NULL;

	switch (urb_status) {
	/* success */
	case 0:
		if (skb->len < dev->net->hard_header_len) {
			state = rx_cleanup;
			dev->net->stats.rx_errors++;
			dev->net->stats.rx_length_errors++;
			netif_dbg(dev, rx_err, dev->net,
				  "rx length %d\n", 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->net->stats.rx_errors++;
		usbnet_defer_kevent (dev, EVENT_RX_HALT);
		// FALLTHROUGH

	/* software-driven interface shutdown */
	case -ECONNRESET:		/* async unlink */
	case -ESHUTDOWN:		/* hardware gone */
		netif_dbg(dev, ifdown, dev->net,
			  "rx shutdown, code %d\n", 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->net->stats.rx_errors++;
		if (!timer_pending (&dev->delay)) {
			mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
			netif_dbg(dev, link, dev->net,
				  "rx throttle %d\n", urb_status);
		}
block:
		state = rx_cleanup;
		entry->urb = urb;
		urb = NULL;
		break;

	/* data overrun ... flush fifo? */
	case -EOVERFLOW:
		dev->net->stats.rx_over_errors++;
		// FALLTHROUGH

	default:
		state = rx_cleanup;
		dev->net->stats.rx_errors++;
		netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status);
		break;
	}

	state = defer_bh(dev, skb, &dev->rxq, state);

	if (urb) {
		if (netif_running (dev->net) &&
		    !test_bit (EVENT_RX_HALT, &dev->flags) &&
		    state != unlink_start) {
			rx_submit (dev, urb, GFP_ATOMIC);
			return;
		}
		usb_free_urb (urb);
	}
	netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n");
}

开发者ID:boyan3010，项目名称:ShooterU_Kernel_3.2.X，代码行数:85，代码来源:usbnet.c

示例9: kevent

/* 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.
 */
static void
kevent (struct work_struct *work)
{
	struct usbnet		*dev =
		container_of(work, struct usbnet, kevent);
	int			status;

	/* usb_clear_halt() needs a thread context */
	if (test_bit (EVENT_TX_HALT, &dev->flags)) {
		unlink_urbs (dev, &dev->txq);
		status = usb_autopm_get_interface(dev->intf);
		if (status < 0)
			goto fail_pipe;
		status = usb_clear_halt (dev->udev, dev->out);
		usb_autopm_put_interface(dev->intf);
		if (status < 0 &&
		    status != -EPIPE &&
		    status != -ESHUTDOWN) {
			if (netif_msg_tx_err (dev))
fail_pipe:
				netdev_err(dev->net, "can't clear tx halt, status %d\n",
					   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)) {
		unlink_urbs (dev, &dev->rxq);
		status = usb_autopm_get_interface(dev->intf);
		if (status < 0)
			goto fail_halt;
		status = usb_clear_halt (dev->udev, dev->in);
		usb_autopm_put_interface(dev->intf);
		if (status < 0 &&
		    status != -EPIPE &&
		    status != -ESHUTDOWN) {
			if (netif_msg_rx_err (dev))
fail_halt:
				netdev_err(dev->net, "can't clear rx halt, status %d\n",
					   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;

		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);
			status = usb_autopm_get_interface(dev->intf);
			if (status < 0)
				goto fail_lowmem;
			rx_submit (dev, urb, GFP_KERNEL);
			usb_autopm_put_interface(dev->intf);
fail_lowmem:
			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);
		status = usb_autopm_get_interface(dev->intf);
		if (status < 0)
			goto skip_reset;
		if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
			usb_autopm_put_interface(dev->intf);
skip_reset:
			netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n",
				    retval,
				    dev->udev->bus->bus_name,
				    dev->udev->devpath,
				    info->description);
		} else {
			usb_autopm_put_interface(dev->intf);
		}
	}

	if (dev->flags)
		netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags);
}

开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:97，代码来源:usbnet.c

示例10: kevent

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)) {

		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)) {

		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;

		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);
			if (retval < 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;
//.........这里部分代码省略.........

开发者ID:Dee-UK，项目名称:RK3188_KK_4.4.02_Beta，代码行数:101，代码来源:axusbnet.c

示例11: rx_complete

void rx_complete (struct urb *urb)
{
	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;
	enum skb_state		state;

	skb_put (skb, urb->actual_length);
	state = rx_done;
	entry->urb = NULL;

	
	if (enable_tx_rx_debug && (urb_status != -ECONNRESET))
		netdev_info(dev->net, "[RMNET_D]rx_c, status: %d\n", urb_status);
	

	switch (urb_status) {
	/* success */
	case 0:
		break;

	case -EPIPE:
		dev->net->stats.rx_errors++;
		usbnet_defer_kevent (dev, EVENT_RX_HALT);
		

	
	case -ECONNRESET:		
	case -ESHUTDOWN:		
		netif_dbg(dev, ifdown, dev->net,
			  "rx shutdown, code %d\n", urb_status);
		goto block;

	case -EPROTO:
	case -ETIME:
	case -EILSEQ:
		dev->net->stats.rx_errors++;
		if (!timer_pending (&dev->delay)) {
			mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
			netif_dbg(dev, link, dev->net,
				  "rx throttle %d\n", urb_status);
		}
block:
		state = rx_cleanup;
		entry->urb = urb;
		urb = NULL;
		break;

	
	case -EOVERFLOW:
		dev->net->stats.rx_over_errors++;
		

	default:
		state = rx_cleanup;
		dev->net->stats.rx_errors++;
		netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status);
		break;
	}

	state = defer_bh(dev, skb, &dev->rxq, state);

	if (urb) {
		if (netif_running (dev->net) &&
		    !test_bit (EVENT_RX_HALT, &dev->flags) &&
		    state != unlink_start) {
			rx_submit (dev, urb, GFP_ATOMIC);
#ifdef HTC_PM_DBG
			if (usb_pm_debug_enabled)
				usb_mark_intf_last_busy(dev->intf, true);
#endif
			usb_mark_last_busy(dev->udev);
			return;
		}
		usb_free_urb (urb);
	}
	netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n");
}

开发者ID:droidcore，项目名称:kangaroo-m7-mkv，代码行数:79，代码来源:usbnet.c

示例12: rx_complete

static void rx_complete(struct urb *req)
{
	struct net_device *dev = req->context;
	struct usbpn_dev *pnd = netdev_priv(dev);
	struct page *page = virt_to_page(req->transfer_buffer);
	struct sk_buff *skb;
	unsigned long flags;

	switch (req->status) {
	case 0:
		spin_lock_irqsave(&pnd->rx_lock, flags);
		skb = pnd->rx_skb;
		if (!skb) {
			skb = pnd->rx_skb = netdev_alloc_skb(dev, 12);
			if (likely(skb)) {
				/* Can't use pskb_pull() on page in IRQ */
				memcpy(skb_put(skb, 1), page_address(page), 1);
				skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
						page, 1, req->actual_length);
				page = NULL;
			}
		} else {
			skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
					page, 0, req->actual_length);
			page = NULL;
		}
		if (req->actual_length < PAGE_SIZE)
			pnd->rx_skb = NULL; /* Last fragment */
		else
			skb = NULL;
		spin_unlock_irqrestore(&pnd->rx_lock, flags);
		if (skb) {
			skb->protocol = htons(ETH_P_PHONET);
			skb_reset_mac_header(skb);
			__skb_pull(skb, 1);
			skb->dev = dev;
			dev->stats.rx_packets++;
			dev->stats.rx_bytes += skb->len;

			netif_rx(skb);
		}
		goto resubmit;

	case -ENOENT:
	case -ECONNRESET:
	case -ESHUTDOWN:
		req = NULL;
		break;

	case -EOVERFLOW:
		dev->stats.rx_over_errors++;
		dev_dbg(&dev->dev, "RX overflow\n");
		break;

	case -EILSEQ:
		dev->stats.rx_crc_errors++;
		break;
	}

	dev->stats.rx_errors++;
resubmit:
	if (page)
		netdev_free_page(dev, page);
	if (req)
		rx_submit(pnd, req, GFP_ATOMIC);
}

开发者ID:Atrix-Dev-Team，项目名称:kernel-MB860，代码行数:66，代码来源:cdc-phonet.c

示例13: rx_submit

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;

#if defined(CONFIG_RA_HW_NAT_PCI) && (defined(CONFIG_RA_HW_NAT) || defined(CONFIG_RA_HW_NAT_MODULE))
	if ((skb = alloc_skb (size + NET_IP_ALIGN + FOE_INFO_LEN, flags)) == NULL) {
#else
	if ((skb = alloc_skb (size + NET_IP_ALIGN, flags)) == NULL) {
#endif
		if (netif_msg_rx_err (dev))
			devdbg (dev, "no rx skb");
		usbnet_defer_kevent (dev, EVENT_RX_MEMORY);
		usb_free_urb (urb);
		return;
	}
#if defined(CONFIG_RA_HW_NAT_PCI) && (defined(CONFIG_RA_HW_NAT) || defined(CONFIG_RA_HW_NAT_MODULE))
	skb_reserve (skb, NET_IP_ALIGN + FOE_INFO_LEN);
#else
	skb_reserve (skb, NET_IP_ALIGN);
#endif
	entry = (struct skb_data *) skb->cb;
	entry->urb = urb;
	entry->dev = dev;
	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:
			usbnet_defer_kevent (dev, EVENT_RX_HALT);
			break;
		case -ENOMEM:
			usbnet_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:
			__usbnet_queue_skb(&dev->rxq, skb, rx_start);
		}
	} else {
		if (netif_msg_ifdown (dev))
			devdbg (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)
		usbnet_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);
	}
}

/*-------------------------------------------------------------------------*/

static void rx_complete (struct urb *urb)
{
	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;
	enum skb_state		state;

//.........这里部分代码省略.........

开发者ID:qwerty1023，项目名称:wive-rtnl-firmware，代码行数:101，代码来源:usbnet.c

示例14: kevent

/* 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.
 */
static void
kevent (struct work_struct *work)
{
	struct usbnet		*dev =
		container_of(work, struct usbnet, kevent);
	int			status;

	/* usb_clear_halt() needs a thread context */
	if (test_bit (EVENT_TX_HALT, &dev->flags)) {
		unlink_urbs (dev, &dev->txq);
		status = usb_autopm_get_interface(dev->intf);
		if (status < 0)
			goto fail_pipe;
		status = usb_clear_halt (dev->udev, dev->out);
		usb_autopm_put_interface(dev->intf);
		if (status < 0 &&
		    status != -EPIPE &&
		    status != -ESHUTDOWN) {
			if (netif_msg_tx_err (dev))
fail_pipe:
				netdev_err(dev->net, "can't clear tx halt, status %d\n",
					   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)) {

		//HTC+++
		//lock cpu perf
		usbnet_lock_perf();

		//queue usbnet_unlock_perf_delayed_work
		usbnet_rx_len = 0;
		schedule_delayed_work(&usbnet_unlock_perf_delayed_work, msecs_to_jiffies(PM_QOS_USBNET_PERF_UNLOCK_TIMER));

		pr_info("%s(%d) [USBNET] EVENT_RX_HALT unlink_urbs !!!\n", __func__, __LINE__);
		pr_info("%s(%d) [USBNET] dev->rxq.qlen:%d\n", __func__, __LINE__, dev->rxq.qlen);
		//HTC---
		unlink_urbs (dev, &dev->rxq);
		status = usb_autopm_get_interface(dev->intf);
		if (status < 0)
			goto fail_halt;
		status = usb_clear_halt (dev->udev, dev->in);

		//HTC+++
		pr_info("%s(%d) [USBNET] EVENT_RX_HALT usb_clear_halt:%d !!!\n", __func__, __LINE__, status);
		//HTC---
		usb_autopm_put_interface(dev->intf);
		if (status < 0 &&
		    status != -EPIPE &&
		    status != -ESHUTDOWN) {
			if (netif_msg_rx_err (dev))
fail_halt:
				netdev_err(dev->net, "can't clear rx halt, status %d\n",
					   status);
		} else {

			//HTC+++
			pr_info("%s(%d) [USBNET] clear_bit EVENT_RX_HALT !!!\n", __func__, __LINE__);
			//HTC---
			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;
		int resched = 1;

		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);
			status = usb_autopm_get_interface(dev->intf);
			if (status < 0) {
				usb_free_urb(urb);
				goto fail_lowmem;
			}
			if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK)
				resched = 0;
			usb_autopm_put_interface(dev->intf);
fail_lowmem:
			if (resched)
				tasklet_schedule (&dev->bh);
		}
	}

	if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
		struct driver_info	*info = dev->driver_info;
//.........这里部分代码省略.........

开发者ID:HuChundong，项目名称:Endeavor3.1.10，代码行数:101，代码来源:usbnet.c

示例15: rx_submit

static int 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;

#if defined (CONFIG_RA_HW_NAT) || defined (CONFIG_RA_HW_NAT_MODULE)
	if ((skb = alloc_skb (size + NET_IP_ALIGN + FOE_INFO_LEN, flags)) == NULL) {
#else
	if ((skb = alloc_skb (size + NET_IP_ALIGN, flags)) == NULL) {
#endif
		netif_dbg(dev, rx_err, dev->net, "no rx skb\n");
		usbnet_defer_kevent (dev, EVENT_RX_MEMORY);
		usb_free_urb (urb);
		return -ENOMEM;
	}
#if defined (CONFIG_RA_HW_NAT) || defined (CONFIG_RA_HW_NAT_MODULE)
	skb_reserve (skb, NET_IP_ALIGN + FOE_INFO_LEN);
#else
	skb_reserve (skb, NET_IP_ALIGN);
#endif

	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) &&
	    !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) {
		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
		case -EPIPE:
			usbnet_defer_kevent (dev, EVENT_RX_HALT);
			break;
		case -ENOMEM:
			usbnet_defer_kevent (dev, EVENT_RX_MEMORY);
			break;
		case -ENODEV:
			netif_dbg(dev, ifdown, dev->net, "device gone\n");
			netif_device_detach (dev->net);
			break;
		case -EHOSTUNREACH:
			retval = -ENOLINK;
			break;
		default:
			netif_dbg(dev, rx_err, dev->net,
				  "rx submit, %d\n", retval);
			tasklet_schedule (&dev->bh);
			break;
		case 0:
			__skb_queue_tail (&dev->rxq, skb);
		}
	} else {
		netif_dbg(dev, ifdown, dev->net, "rx: stopped\n");
		retval = -ENOLINK;
	}
	spin_unlock_irqrestore (&dev->rxq.lock, lockflags);
	if (retval) {
		dev_kfree_skb_any (skb);
		usb_free_urb (urb);
	}
	return retval;
}


/*-------------------------------------------------------------------------*/

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)
		usbnet_skb_return (dev, skb);
	else {
		netif_dbg(dev, rx_err, dev->net, "drop\n");
error:
		dev->net->stats.rx_errors++;
		skb_queue_tail (&dev->done, skb);
	}
}

/*-------------------------------------------------------------------------*/

static void rx_complete (struct urb *urb)
{
	struct sk_buff		*skb = (struct sk_buff *) urb->context;
	struct skb_data		*entry = (struct skb_data *) skb->cb;
	struct usbnet		*dev = entry->dev;
//.........这里部分代码省略.........

开发者ID:patrick-ken，项目名称:kernel_808l，代码行数:101，代码来源:usbnet.c

示例16: rx_complete

static void rx_complete(struct pci_ep *ep, struct pci_request *req)
{
	struct sk_buff	*skb = req->context;
	struct eth_dev	*dev = ep->driver_data;
	int		status = req->status;
	unsigned int *temp;
//	printk("%s:%d\n", __func__, __LINE__);
	total_rx_complete++;
	switch (status) {

	/* normal completion */
	case 0:
		skb_put(skb, req->actual);
		if (dev->unwrap)
			status = dev->unwrap(skb);
		if (status < 0
				|| ETH_HLEN > skb->len
				|| skb->len > ETH_FRAME_LEN) {
			dev->net->stats.rx_errors++;
			dev->net->stats.rx_length_errors++;
			DBG(dev, "rx length %d\n", skb->len);
			break;
		}

		skb->protocol = eth_type_trans(skb, dev->net);
		dev->net->stats.rx_packets++;
		dev->net->stats.rx_bytes += skb->len;
		temp = (unsigned int *)skb->data;
//		printk("temp = %p, Data [0] = %x, [1] = %x [2] = %x, [3] = %x [4] = %x, [5] = %x [6] = %x, [7] = %x\n", temp,
//			temp[0], temp[1], temp[2], temp[3], temp[4], temp[5], temp[6], temp[7]);

		/* no buffer copies needed, unless hardware can't
		 * use skb buffers.
		 */
		status = netif_rx(skb);
		skb = NULL;
		break;

	/* software-driven interface shutdown */
	case -ECONNRESET:		/* unlink */
	case -ESHUTDOWN:		/* disconnect etc */
		VDBG(dev, "rx shutdown, code %d\n", status);
		goto quiesce;

	/* for hardware automagic (such as pxa) */
	case -ECONNABORTED:		/* endpoint reset */
		DBG(dev, "rx %s reset\n", ep->name);
		defer_kevent(dev, WORK_RX_MEMORY);
quiesce:
		dev_kfree_skb_any(skb);
		goto clean;

	/* data overrun */
	case -EOVERFLOW:
		dev->net->stats.rx_over_errors++;
		/* FALLTHROUGH */

	default:
		dev->net->stats.rx_errors++;
		DBG(dev, "rx status %d\n", status);
		break;
	}

	if (skb)
		dev_kfree_skb_any(skb);
	if (!netif_running(dev->net)) {
clean:
		spin_lock(&dev->req_lock);
		list_add(&req->list, &dev->rx_reqs);
		spin_unlock(&dev->req_lock);
		req = NULL;
	}
	if (req)
		rx_submit(dev, req, GFP_ATOMIC);
}

开发者ID:KHATEEBNSIT，项目名称:lsdk_ar9531，代码行数:75，代码来源:u_ether.c

示例17: rx_complete


//.........这里部分代码省略.........
			skb_queue_tail(&dev->rx_frames, skb);
		}
#ifdef CONFIG_USB_RNDIS_MULTIPACKET

		if (!status)
			queue = 1;
#else
		skb = NULL;

		skb2 = skb_dequeue(&dev->rx_frames);
		while (skb2) {
			if (status < 0
					|| ETH_HLEN > skb2->len
					|| skb2->len > VLAN_ETH_FRAME_LEN) {
#ifdef CONFIG_USB_NCM_SUPPORT_MTU_CHANGE
				/*
					Need to revisit net->mtu  does not include header size incase of changed MTU
				*/
				if(!strcmp(dev->port_usb->func.name,"ncm")) {
					if (status < 0
						|| ETH_HLEN > skb2->len
						|| skb2->len > (dev->net->mtu + ETH_HLEN)) {
						printk(KERN_DEBUG "usb: %s  drop incase of NCM rx length %d\n",__func__,skb2->len);
					} else {
						printk(KERN_DEBUG "usb: %s  Dont drop incase of NCM rx length %d\n",__func__,skb2->len);
						goto process_frame;
					}
				}
				printk(KERN_DEBUG "usb: %s Drop rx length %d\n",__func__,skb2->len);
#endif
				dev->net->stats.rx_errors++;
				dev->net->stats.rx_length_errors++;
				DBG(dev, "rx length %d\n", skb2->len);
				dev_kfree_skb_any(skb2);
				goto next_frame;
			}
#ifdef CONFIG_USB_NCM_SUPPORT_MTU_CHANGE
process_frame:
#endif
			skb2->protocol = eth_type_trans(skb2, dev->net);
			dev->net->stats.rx_packets++;
			dev->net->stats.rx_bytes += skb2->len;

			/* no buffer copies needed, unless hardware can't
			 * use skb buffers.
			 */
			status = netif_rx(skb2);
next_frame:
			skb2 = skb_dequeue(&dev->rx_frames);
		}
#endif
		break;

	/* software-driven interface shutdown */
	case -ECONNRESET:		/* unlink */
	case -ESHUTDOWN:		/* disconnect etc */
		VDBG(dev, "rx shutdown, code %d\n", status);
		goto quiesce;

	/* for hardware automagic (such as pxa) */
	case -ECONNABORTED:		/* endpoint reset */
		DBG(dev, "rx %s reset\n", ep->name);
		defer_kevent(dev, WORK_RX_MEMORY);
quiesce:
		dev_kfree_skb_any(skb);
		goto clean;

	/* data overrun */
	case -EOVERFLOW:
		dev->net->stats.rx_over_errors++;
		/* FALLTHROUGH */

	default:
#ifdef CONFIG_USB_RNDIS_MULTIPACKET
		queue = 1;
		dev_kfree_skb_any(skb);
#endif
		dev->net->stats.rx_errors++;
		DBG(dev, "rx status %d\n", status);
		break;
	}
#ifndef CONFIG_USB_RNDIS_MULTIPACKET
	if (skb)
		dev_kfree_skb_any(skb);
	if (!netif_running(dev->net)) {
#endif
clean:
	spin_lock(&dev->req_lock);
	list_add(&req->list, &dev->rx_reqs);
	spin_unlock(&dev->req_lock);
#ifdef CONFIG_USB_RNDIS_MULTIPACKET
	if (queue)
		schedule_uether_rx(dev);
#else
		req = NULL;
	}
	if (req)
		rx_submit(dev, req, GFP_ATOMIC);
#endif
}

开发者ID:BigBot96，项目名称:android_kernel_samsung_gts2wifi，代码行数:101，代码来源:u_ether.c

示例18: rx_complete

static void rx_complete(struct usb_ep *ep, struct usb_request *req)
{
	struct sk_buff	*skb = req->context;
	struct eth_dev	*dev = ep->driver_data;
	int		status = req->status;

	switch (status) {

	/* normal completion */
	case 0:
#ifdef SKB_MEMCOPY
		if(req->buf != skb->data)
			memcpy(skb->data, req->buf, req->actual);
#endif
		skb_put(skb, req->actual);
		if (dev->unwrap)
			status = dev->unwrap(skb);
		if (status < 0
				|| ETH_HLEN > skb->len
				|| skb->len > ETH_FRAME_LEN) {
			dev->net->stats.rx_errors++;
			dev->net->stats.rx_length_errors++;
			DBG(dev, "rx length %d\n", skb->len);
			break;
		}

		skb->protocol = eth_type_trans(skb, dev->net);
		dev->net->stats.rx_packets++;
		dev->net->stats.rx_bytes += skb->len;

		/* no buffer copies needed, unless hardware can't
		 * use skb buffers.
		 */
		status = netif_rx(skb);
#ifdef SKB_MEMCOPY
		if(req->buf != skb->data)
			kfree(req->buf);
#endif
		skb = NULL;
		break;

	/* software-driven interface shutdown */
	case -ECONNRESET:		/* unlink */
	case -ESHUTDOWN:		/* disconnect etc */
		VDBG(dev, "rx shutdown, code %d\n", status);
		goto quiesce;

	/* for hardware automagic (such as pxa) */
	case -ECONNABORTED:		/* endpoint reset */
		DBG(dev, "rx %s reset\n", ep->name);
		defer_kevent(dev, WORK_RX_MEMORY);
quiesce:
		dev_kfree_skb_any(skb);
#ifdef SKB_MEMCOPY
		if(req->buf != skb->data)
			kfree(req->buf);
#endif
		goto clean;

	/* data overrun */
	case -EOVERFLOW:
		dev->net->stats.rx_over_errors++;
		/* FALLTHROUGH */

	default:
		dev->net->stats.rx_errors++;
		DBG(dev, "rx status %d\n", status);
		break;
	}

	if (skb) {
		dev_kfree_skb_any(skb);
#ifdef SKB_MEMCOPY
		if(req->buf != skb->data)
			kfree(req->buf);
#endif
	}
	if (!netif_running(dev->net)) {
clean:
		spin_lock(&dev->req_lock);
		list_add(&req->list, &dev->rx_reqs);
		spin_unlock(&dev->req_lock);
		req = NULL;
	}
	if (req)
		rx_submit(dev, req, GFP_ATOMIC);
}

开发者ID:Asrake，项目名称:m8_android_kernel，代码行数:87，代码来源:u_ether_fixed_MAC.c

示例19: rx_complete

static void rx_complete(struct urb *req)
{
	struct usbsvn_rx *svn_rx = req->context;
	struct net_device *dev = svn_rx->netdev;
	struct usbsvn *svn = netdev_priv(dev);
	struct page *page = virt_to_page(req->transfer_buffer);
	struct sipc4_rx_data rx_data;
	int dev_id = svn_rx->dev_id;
	int flags = 0;
	int err;

	usb_mark_last_busy(svn->usbdev);

	switch (req->status) {
	case -ENOENT:
		if (req->actual_length == 0) {
			req = NULL;
			break;
		}
		printk(KERN_DEBUG "%s: Rx ENOENT", __func__);

	case 0:
		if (!svn->driver_info)
			flags |= SIPC4_RX_HDLC;
		if (req->actual_length < PAGE_SIZE)
			flags |= SIPC4_RX_LAST;

		rx_data.dev = dev;
		rx_data.skb = svn->devdata[dev_id].rx_skb;
		rx_data.page = page;
		rx_data.size = req->actual_length;
		rx_data.format = dev_id;
		rx_data.flags = flags;
		rx_data.rx_hdr = &svn->devdata[dev_id].rx_hdr;

		page = NULL;

		if (rx_debug) {
			char *buf = req->transfer_buffer;
			int i;

			printk(KERN_DEBUG "[RX] dev_id: %d, size: %d\n", dev_id,
					req->actual_length);
			for (i = 0; i < req->actual_length; i++)
				printk(KERN_DEBUG "%x ", *(buf + i));
		}

		if (dev_id == SIPC4_CMD)
			err = usbsvn_cmd_rx(&rx_data, svn);
		else
			err = sipc4_rx(&rx_data);
		if (err < 0) {
			svn->devdata[dev_id].rx_skb = NULL;
			break;
		}
		svn->devdata[dev_id].rx_skb = rx_data.skb;

		if (dev_id == SIPC4_RAW)
			wake_lock_timeout_data(svn);

		goto resubmit;

	case -ECONNRESET:
	case -ESHUTDOWN:
		if (!svn->suspended)
			printk(KERN_DEBUG "%s: RX complete Status(%d)\n",
				__func__, req->status);
		req = NULL;
		break;

	case -EOVERFLOW:
		dev->stats.rx_over_errors++;
		dev_err(&dev->dev, "RX overflow\n");
		break;

	case -EILSEQ:
		dev->stats.rx_crc_errors++;
		break;
	}

	dev->stats.rx_errors++;

resubmit:
	kfree(svn_rx);

	if (page)
		netdev_free_page(dev, page);
	if (req && req->status != -ENOENT) {
		rx_submit(svn, dev_id, req, GFP_ATOMIC);
	}
}

开发者ID:myfluxi，项目名称:xxKernel，代码行数:91，代码来源:cdc-svnet.c

注：本文中的rx_submit函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ rx_submit函数代码示例

示例1: rx_fill

示例2: usbpn_open

示例3: rx_fill

示例4: usbnet_bh

示例5: rx_fill

示例6: rx_fill

示例7: usbsvn_start

示例8: rx_complete

示例9: kevent

示例10: kevent

示例11: rx_complete

示例12: rx_complete

示例13: rx_submit

示例14: kevent

示例15: rx_submit

示例16: rx_complete

示例17: rx_complete

示例18: rx_complete

示例19: rx_complete

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