C++ (Cpp) __sgiseeq_set_mac_address示例

示例#1

文件： sgiseeq.c 项目： KaZoom/buildroot-linux-kernel-m3

static int sgiseeq_set_mac_address(struct net_device *dev, void *addr)
{
	struct sgiseeq_private *sp = netdev_priv(dev);
	struct sockaddr *sa = addr;

	memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);

	spin_lock_irq(&sp->tx_lock);
	__sgiseeq_set_mac_address(dev);
	spin_unlock_irq(&sp->tx_lock);

	return 0;
}

示例#2

文件： sgiseeq.c 项目： OpenHMR/Open-HMR600

static int seeq_init_ring(struct net_device *dev)
{
	struct sgiseeq_private *sp = netdev_priv(dev);
	int i;

	netif_stop_queue(dev);
	sp->rx_new = sp->tx_new = 0;
	sp->rx_old = sp->tx_old = 0;

	__sgiseeq_set_mac_address(dev);

	/* Setup tx ring. */
	for(i = 0; i < SEEQ_TX_BUFFERS; i++) {
		if (!sp->tx_desc[i].tdma.pbuf) {
			unsigned long buffer;

			buffer = (unsigned long) kmalloc(PKT_BUF_SZ, GFP_KERNEL);
			if (!buffer)
				return -ENOMEM;
			sp->tx_desc[i].buf_vaddr = CKSEG1ADDR(buffer);
			sp->tx_desc[i].tdma.pbuf = CPHYSADDR(buffer);
		}
		sp->tx_desc[i].tdma.cntinfo = TCNTINFO_INIT;
	}

	/* And now the rx ring. */
	for (i = 0; i < SEEQ_RX_BUFFERS; i++) {
		if (!sp->rx_desc[i].rdma.pbuf) {
			unsigned long buffer;

			buffer = (unsigned long) kmalloc(PKT_BUF_SZ, GFP_KERNEL);
			if (!buffer)
				return -ENOMEM;
			sp->rx_desc[i].buf_vaddr = CKSEG1ADDR(buffer);
			sp->rx_desc[i].rdma.pbuf = CPHYSADDR(buffer);
		}
		sp->rx_desc[i].rdma.cntinfo = RCNTINFO_INIT;
	}
	sp->rx_desc[i - 1].rdma.cntinfo |= HPCDMA_EOR;
	return 0;
}

示例#3

文件： sgiseeq.c 项目： KaZoom/buildroot-linux-kernel-m3

static int seeq_init_ring(struct net_device *dev)
{
	struct sgiseeq_private *sp = netdev_priv(dev);
	int i;

	netif_stop_queue(dev);
	sp->rx_new = sp->tx_new = 0;
	sp->rx_old = sp->tx_old = 0;

	__sgiseeq_set_mac_address(dev);

	/* Setup tx ring. */
	for(i = 0; i < SEEQ_TX_BUFFERS; i++) {
		sp->tx_desc[i].tdma.cntinfo = TCNTINFO_INIT;
		dma_sync_desc_dev(dev, &sp->tx_desc[i]);
	}

	/* And now the rx ring. */
	for (i = 0; i < SEEQ_RX_BUFFERS; i++) {
		if (!sp->rx_desc[i].skb) {
			dma_addr_t dma_addr;
			struct sk_buff *skb = netdev_alloc_skb(dev, PKT_BUF_SZ);

			if (skb == NULL)
				return -ENOMEM;
			skb_reserve(skb, 2);
			dma_addr = dma_map_single(dev->dev.parent,
						  skb->data - 2,
						  PKT_BUF_SZ, DMA_FROM_DEVICE);
			sp->rx_desc[i].skb = skb;
			sp->rx_desc[i].rdma.pbuf = dma_addr;
		}
		sp->rx_desc[i].rdma.cntinfo = RCNTINFO_INIT;
		dma_sync_desc_dev(dev, &sp->rx_desc[i]);
	}
	sp->rx_desc[i - 1].rdma.cntinfo |= HPCDMA_EOR;
	dma_sync_desc_dev(dev, &sp->rx_desc[i - 1]);
	return 0;
}