C++ (Cpp) smd_total_fifo_size 예제들

예제 #1

파일: msm_rmnet.c 프로젝트: AKToronto/htc-kernel-msm7227

static int rmnet_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct rmnet_private *p = netdev_priv(dev);
	smd_channel_t *ch = p->ch;
#if fcENABLE_FLOW_CTRL
	int res;
	int iAvail = smd_write_avail(ch);
#endif

#if fcENABLE_FLOW_CTRL
	if ((res = smd_write_atomic(ch, skb->data, skb->len)) != skb->len) {
		pr_err("rmnet fifo full, dropping packet: %d (%d,%d), fifo size = %d\n", res, skb->len, iAvail, smd_total_fifo_size(ch));
		rmnet_Throttle(dev);
#else
	if (smd_write_atomic(ch, skb->data, skb->len) != skb->len) {
		pr_err("rmnet fifo full, dropping packet, fifo size = %d\n", smd_total_fifo_size(ch));
#endif
	} else {
#if fcENABLE_FLOW_CTRL
		if (iAvail < cTHR_RMNET_FIFO)
		{
			pr_devel(LOG_TAG1 "rmnet fifo almost full: %d (%d,%d), tx paused\n", res, skb->len, iAvail);
			rmnet_Throttle(dev);
		}
#endif
		if (count_this_packet(skb->data, skb->len)) {
			p->stats.tx_packets++;
			p->stats.tx_bytes += skb->len;
#ifdef CONFIG_MSM_RMNET_DEBUG
			p->wakeups_xmit += rmnet_cause_wakeup(p);
#endif
		}
	}

	dev_kfree_skb_irq(skb);
	return 0;
}

static struct net_device_stats *rmnet_get_stats(struct net_device *dev)
{
	struct rmnet_private *p = netdev_priv(dev);
	return &p->stats;
}

static void rmnet_set_multicast_list(struct net_device *dev)
{
}

static void rmnet_tx_timeout(struct net_device *dev)
{
	pr_info("rmnet_tx_timeout()\n");

	rmnet_check_fifo(dev);
}

예제 #2

파일: msm_rmnet.c 프로젝트: JmzTaylor/kernel_gb_marvelc

static void rmnet_check_fifo(struct net_device *dev)
{
#if fcENABLE_FLOW_CTRL
	if (bRmnetFifoFull) {
		struct rmnet_private *p = netdev_priv(dev);
		int iAvail = smd_write_avail(p->ch);

		if (iAvail > (smd_total_fifo_size(p->ch) / 2)) {
			pr_devel(LOG_TAG1 "%s@%d: tx resumed\n", __func__, __LINE__);
			if (netif_carrier_ok(dev))
				netif_wake_queue(dev);
			else
				pr_err(LOG_TAG1 "%s@%d: no netif_carrier_ok\n", __func__, __LINE__);
			bRmnetFifoFull = 0;
		}
	}
#endif
}