C++ (Cpp) start_tx_timer Examples

Example #1

/**
@brief		transmit an IPC message packet

@param mld	the pointer to a mem_link_device instance
@param ch	the channel ID
@param skb	the pointer to an skb that will be transmitted

@retval "> 0"	the size of the data in @b @@skb
@retval "< 0"	an error code (-ENODEV, -EBUSY)
*/
static int xmit_ipc_to_rb(struct mem_link_device *mld, enum sipc_ch_id ch,
			  struct sk_buff *skb)
{
	int ret;
	struct link_device *ld = &mld->link_dev;
	struct io_device *iod = skbpriv(skb)->iod;
	struct modem_ctl *mc = ld->mc;
	struct sbd_ring_buffer *rb = sbd_ch2rb(&mld->sbd_link_dev, ch, TX);
	struct sk_buff_head *skb_txq;
	unsigned long flags;

	if (!rb) {
		mif_err("%s: %s->%s: ERR! NO SBD RB {ch:%d}\n",
			ld->name, iod->name, mc->name, ch);
		return -ENODEV;
	}

	skb_txq = &rb->skb_q;

#ifdef CONFIG_LINK_POWER_MANAGEMENT
	if (cp_online(mc) && mld->forbid_cp_sleep)
		mld->forbid_cp_sleep(mld);
#endif

	spin_lock_irqsave(&rb->lock, flags);

	if (unlikely(skb_txq->qlen >= MAX_SKB_TXQ_DEPTH)) {
		mif_err_limited("%s: %s->%s: ERR! {ch:%d} "
				"skb_txq.len %d >= limit %d\n",
				ld->name, iod->name, mc->name, ch,
				skb_txq->qlen, MAX_SKB_TXQ_DEPTH);
		ret = -EBUSY;
	} else {
		skb->len = min_t(int, skb->len, rb->buff_size);

		ret = skb->len;
		skb_queue_tail(skb_txq, skb);
		start_tx_timer(mld, &mld->sbd_tx_timer);
#ifdef DEBUG_MODEM_IF
		trace_mif_event(skb, skb->len, FUNC);
#endif
	}

	spin_unlock_irqrestore(&rb->lock, flags);

#ifdef CONFIG_LINK_POWER_MANAGEMENT
	if (cp_online(mc) && mld->permit_cp_sleep)
		mld->permit_cp_sleep(mld);
#endif

	return ret;
}

Example #2

File: link_device_memory_main.c Project: cm-3470/android_kernel_samsung_degaslte

/**
@brief		transmit a BOOT/DUMP data packet

@param mld	the pointer to a mem_link_device instance
@param ch	the channel ID
@param skb	the pointer to an skb that will be transmitted

@retval "> 0"	the size of the data in @b @@skb
@retval "< 0"	an error code (-EIO or -EBUSY)
*/
static int xmit_udl(struct mem_link_device *mld, enum sipc_ch_id ch,
		    struct sk_buff *skb)
{
	struct mem_ipc_device *dev = mld->dev[dev_id(ch)];
	int ret = skb->len;
	unsigned long flags;

	spin_lock_irqsave(dev->tx_lock, flags);

	skb_queue_tail(dev->skb_txq, skb);

	start_tx_timer(mld, &mld->tx_timer);

	spin_unlock_irqrestore(dev->tx_lock, flags);

	return ret;
}

Example #3

File: link_device_memory_main.c Project: ShedrockN4/wiliteneo

static int xmit_ipc_to_dev(struct mem_link_device *mld, enum sipc_ch_id ch,
			   struct sk_buff *skb)
{
	int ret;
	struct link_device *ld = &mld->link_dev;
	struct io_device *iod = skbpriv(skb)->iod;
	struct modem_ctl *mc = ld->mc;
	struct mem_ipc_device *dev = mld->dev[dev_id(ch)];
	struct sk_buff_head *skb_txq;
	unsigned long flags;

	if (!dev) {
		mif_err("%s: %s->%s: ERR! NO IPC DEV {ch:%d}\n",
			ld->name, iod->name, mc->name, ch);
		return -ENODEV;
	}

	skb_txq = dev->skb_txq;

#ifdef CONFIG_LINK_POWER_MANAGEMENT
	if (cp_online(mc) && mld->forbid_cp_sleep)
		mld->forbid_cp_sleep(mld);
#endif

	spin_lock_irqsave(dev->tx_lock, flags);

	if (unlikely(skb_txq->qlen >= MAX_SKB_TXQ_DEPTH)) {
		mif_err_limited("%s: %s->%s: ERR! %s TXQ.qlen %d >= limit %d\n",
				ld->name, iod->name, mc->name, dev->name,
				skb_txq->qlen, MAX_SKB_TXQ_DEPTH);
		ret = -EBUSY;
	} else {
		ret = skb->len;
		skb_queue_tail(dev->skb_txq, skb);
		start_tx_timer(mld, &mld->tx_timer);
	}

	spin_unlock_irqrestore(dev->tx_lock, flags);

#ifdef CONFIG_LINK_POWER_MANAGEMENT
	if (cp_online(mc) && mld->permit_cp_sleep)
		mld->permit_cp_sleep(mld);
#endif

	return ret;
}

Example #4

File: link_device_memory_main.c Project: cm-3470/android_kernel_samsung_degaslte

/**
@brief		transmit an IPC message packet

@param mld	the pointer to a mem_link_device instance
@param ch	the channel ID
@param skb	the pointer to an skb that will be transmitted

@retval "> 0"	the size of the data in @b @@skb
@retval "< 0"	an error code (-EIO or -EBUSY)
*/
static int xmit_ipc(struct mem_link_device *mld, enum sipc_ch_id ch,
		    struct sk_buff *skb)
{
	struct mem_ipc_device *dev = mld->dev[dev_id(ch)];
	int ret;
	unsigned long flags;

	spin_lock_irqsave(dev->tx_lock, flags);

	ret = check_tx_link(mld, dev, skb);
	if (unlikely(ret < 0))
		goto exit;

	skb_queue_tail(dev->skb_txq, skb);

	start_tx_timer(mld, &mld->tx_timer);

exit:
	spin_unlock_irqrestore(dev->tx_lock, flags);

	return ret;
}