C++ sh_eth_write函数代码示例

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本文整理汇总了C++中sh_eth_write函数的典型用法代码示例。如果您正苦于以下问题：C++ sh_eth_write函数的具体用法？C++ sh_eth_write怎么用？C++ sh_eth_write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sh_eth_write函数的20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: sh_eth_reset

static int sh_eth_reset(struct sh_eth_dev *eth)
{
#if defined(SH_ETH_TYPE_GETHER)
	int ret = 0, i;

	/* Start e-dmac transmitter and receiver */
	sh_eth_write(eth, EDSR_ENALL, EDSR);

	/* Perform a software reset and wait for it to complete */
	sh_eth_write(eth, EDMR_SRST, EDMR);
	for (i = 0; i < TIMEOUT_CNT ; i++) {
		if (!(sh_eth_read(eth, EDMR) & EDMR_SRST))
			break;
		udelay(1000);
	}

	if (i == TIMEOUT_CNT) {
		printf(SHETHER_NAME  ": Software reset timeout\n");
		ret = -EIO;
	}

	return ret;
#else
	sh_eth_write(eth, sh_eth_read(eth, EDMR) | EDMR_SRST, EDMR);
	udelay(3000);
	sh_eth_write(eth, sh_eth_read(eth, EDMR) & ~EDMR_SRST, EDMR);

	return 0;
#endif
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:30，代码来源:sh_eth.c

示例2: sh_eth_reset

static void sh_eth_reset(struct net_device *ndev)
{
	int cnt = 100;

	sh_eth_write(ndev, EDSR_ENALL, EDSR);
	sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR);
	while (cnt > 0) {
		if (!(sh_eth_read(ndev, EDMR) & 0x3))
			break;
		mdelay(1);
		cnt--;
	}
	if (cnt == 0)
		printk(KERN_ERR "Device reset fail\n");

	/* Table Init */
	sh_eth_write(ndev, 0x0, TDLAR);
	sh_eth_write(ndev, 0x0, TDFAR);
	sh_eth_write(ndev, 0x0, TDFXR);
	sh_eth_write(ndev, 0x0, TDFFR);
	sh_eth_write(ndev, 0x0, RDLAR);
	sh_eth_write(ndev, 0x0, RDFAR);
	sh_eth_write(ndev, 0x0, RDFXR);
	sh_eth_write(ndev, 0x0, RDFFR);
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:25，代码来源:sh_eth.c

示例3: update_mac_address

/*
 * Program the hardware MAC address from dev->dev_addr.
 */
static void update_mac_address(struct net_device *ndev)
{
	sh_eth_write(ndev,
		(ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) |
		(ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR);
	sh_eth_write(ndev,
		(ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR);
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:11，代码来源:sh_eth.c

示例4: sh_eth_set_duplex

static void sh_eth_set_duplex(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);

	if (mdp->duplex) /* Full */
		sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR);
	else		/* Half */
		sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR);
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:9，代码来源:sh_eth.c

示例5: sh_eth_bb_set_mdc

static int sh_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
{
	struct sh_eth_dev *eth = bus->priv;

	if (v)
		sh_eth_write(eth, sh_eth_read(eth, PIR) | PIR_MDC, PIR);
	else
		sh_eth_write(eth, sh_eth_read(eth, PIR) & ~PIR_MDC, PIR);

	return 0;
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:11，代码来源:sh_eth.c

示例6: sh_eth_set_multicast_list

/* Multicast reception directions set */
static void sh_eth_set_multicast_list(struct net_device *ndev)
{
	if (ndev->flags & IFF_PROMISC) {
		/* Set promiscuous. */
		sh_eth_write(ndev, (sh_eth_read(ndev, ECMR) & ~ECMR_MCT) |
				ECMR_PRM, ECMR);
	} else {
		/* Normal, unicast/broadcast-only mode. */
		sh_eth_write(ndev, (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) |
				ECMR_MCT, ECMR);
	}
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:13，代码来源:sh_eth.c

示例7: sh_eth_tx_desc_init

static int sh_eth_tx_desc_init(struct sh_eth_dev *eth)
{
	int port = eth->port, i, ret = 0;
	u32 tmp_addr;
	struct sh_eth_info *port_info = &eth->port_info[port];
	struct tx_desc_s *cur_tx_desc;

	/*
	 * Allocate tx descriptors. They must be TX_DESC_SIZE bytes aligned
	 */
	port_info->tx_desc_malloc = malloc(NUM_TX_DESC *
						 sizeof(struct tx_desc_s) +
						 TX_DESC_SIZE - 1);
	if (!port_info->tx_desc_malloc) {
		printf(SHETHER_NAME ": malloc failed\n");
		ret = -ENOMEM;
		goto err;
	}

	tmp_addr = (u32) (((int)port_info->tx_desc_malloc + TX_DESC_SIZE - 1) &
			  ~(TX_DESC_SIZE - 1));
	flush_cache_wback(tmp_addr, NUM_TX_DESC * sizeof(struct tx_desc_s));
	/* Make sure we use a P2 address (non-cacheable) */
	port_info->tx_desc_base = (struct tx_desc_s *)ADDR_TO_P2(tmp_addr);
	port_info->tx_desc_cur = port_info->tx_desc_base;

	/* Initialize all descriptors */
	for (cur_tx_desc = port_info->tx_desc_base, i = 0; i < NUM_TX_DESC;
	     cur_tx_desc++, i++) {
		cur_tx_desc->td0 = 0x00;
		cur_tx_desc->td1 = 0x00;
		cur_tx_desc->td2 = 0x00;
	}

	/* Mark the end of the descriptors */
	cur_tx_desc--;
	cur_tx_desc->td0 |= TD_TDLE;

	/* Point the controller to the tx descriptor list. Must use physical
	   addresses */
	sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDLAR);
#if defined(SH_ETH_TYPE_GETHER)
	sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDFAR);
	sh_eth_write(eth, ADDR_TO_PHY(cur_tx_desc), TDFXR);
	sh_eth_write(eth, 0x01, TDFFR);/* Last discriptor bit */
#endif

err:
	return ret;
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:50，代码来源:sh_eth.c

示例8: sh_eth_set_rate

static void sh_eth_set_rate(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);

	switch (mdp->speed) {
	case 10: /* 10BASE */
		sh_eth_write(ndev, 0, RTRATE);
		break;
	case 100:/* 100BASE */
		sh_eth_write(ndev, 1, RTRATE);
		break;
	default:
		break;
	}
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:15，代码来源:sh_eth.c

示例9: sh_eth_start

static void sh_eth_start(struct sh_eth_dev *eth)
{
	/*
	 * Enable the e-dmac receiver only. The transmitter will be enabled when
	 * we have something to transmit
	 */
	sh_eth_write(eth, EDRRR_R, EDRRR);
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:8，代码来源:sh_eth.c

示例10: sh_eth_bb_mdio_tristate

static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus)
{
	struct sh_eth_dev *eth = bus->priv;

	sh_eth_write(eth, sh_eth_read(eth, PIR) & ~PIR_MMD, PIR);

	return 0;
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:8，代码来源:sh_eth.c

示例11: sh_eth_send

int sh_eth_send(struct eth_device *dev, void *packet, int len)
{
	struct sh_eth_dev *eth = dev->priv;
	int port = eth->port, ret = 0, timeout;
	struct sh_eth_info *port_info = &eth->port_info[port];

	if (!packet || len > 0xffff) {
		printf(SHETHER_NAME ": %s: Invalid argument\n", __func__);
		ret = -EINVAL;
		goto err;
	}

	/* packet must be a 4 byte boundary */
	if ((int)packet & 3) {
		printf(SHETHER_NAME ": %s: packet not 4 byte alligned\n"
				, __func__);
		ret = -EFAULT;
		goto err;
	}

	/* Update tx descriptor */
	flush_cache_wback(packet, len);
	port_info->tx_desc_cur->td2 = ADDR_TO_PHY(packet);
	port_info->tx_desc_cur->td1 = len << 16;
	/* Must preserve the end of descriptor list indication */
	if (port_info->tx_desc_cur->td0 & TD_TDLE)
		port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP | TD_TDLE;
	else
		port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP;

	flush_cache_wback(port_info->tx_desc_cur, sizeof(struct tx_desc_s));

	/* Restart the transmitter if disabled */
	if (!(sh_eth_read(eth, EDTRR) & EDTRR_TRNS))
		sh_eth_write(eth, EDTRR_TRNS, EDTRR);

	/* Wait until packet is transmitted */
	timeout = TIMEOUT_CNT;
	do {
		invalidate_cache(port_info->tx_desc_cur,
				 sizeof(struct tx_desc_s));
		udelay(100);
	} while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--);

	if (timeout < 0) {
		printf(SHETHER_NAME ": transmit timeout\n");
		ret = -ETIMEDOUT;
		goto err;
	}

	port_info->tx_desc_cur++;
	if (port_info->tx_desc_cur >= port_info->tx_desc_base + NUM_TX_DESC)
		port_info->tx_desc_cur = port_info->tx_desc_base;

err:
	return ret;
}

开发者ID:13xiaobang，项目名称:mini2440-uboot_2016.01，代码行数:57，代码来源:sh_eth.c

示例12: sh_eth_set_rate_giga

static void sh_eth_set_rate_giga(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);

	switch (mdp->speed) {
	case 10: /* 10BASE */
		sh_eth_write(ndev, 0x00000000, GECMR);
		break;
	case 100:/* 100BASE */
		sh_eth_write(ndev, 0x00000010, GECMR);
		break;
	case 1000: /* 1000BASE */
		sh_eth_write(ndev, 0x00000020, GECMR);
		break;
	default:
		break;
	}
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:18，代码来源:sh_eth.c

示例13: netdev_priv

static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);

	pm_runtime_get_sync(&mdp->pdev->dev);

	mdp->stats.tx_dropped += sh_eth_read(ndev, TROCR);
	sh_eth_write(ndev, 0, TROCR);	/* (write clear) */
	mdp->stats.collisions += sh_eth_read(ndev, CDCR);
	sh_eth_write(ndev, 0, CDCR);	/* (write clear) */
	mdp->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
	sh_eth_write(ndev, 0, LCCR);	/* (write clear) */
	if (sh_eth_is_gether(mdp)) {
		mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
		sh_eth_write(ndev, 0, CERCR);	/* (write clear) */
		mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
		sh_eth_write(ndev, 0, CEECR);	/* (write clear) */
	} else {
		mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
		sh_eth_write(ndev, 0, CNDCR);	/* (write clear) */
	}
	pm_runtime_put_sync(&mdp->pdev->dev);

	return &mdp->stats;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:25，代码来源:sh_eth.c

示例14: sh_eth_close

/* device close function */
static int sh_eth_close(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);
	int ringsize;

	netif_stop_queue(ndev);

	/* Disable interrupts by clearing the interrupt mask. */
	sh_eth_write(ndev, 0x0000, EESIPR);

	/* Stop the chip's Tx and Rx processes. */
	sh_eth_write(ndev, 0, EDTRR);
	sh_eth_write(ndev, 0, EDRRR);

	/* PHY Disconnect */
	if (mdp->phydev) {
		phy_stop(mdp->phydev);
		phy_disconnect(mdp->phydev);
	}

	free_irq(ndev->irq, ndev);

	del_timer_sync(&mdp->timer);

	/* Free all the skbuffs in the Rx queue. */
	sh_eth_ring_free(ndev);

	/* free DMA buffer */
	ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE;
	dma_free_coherent(NULL, ringsize, mdp->rx_ring, mdp->rx_desc_dma);

	/* free DMA buffer */
	ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE;
	dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma);

	pm_runtime_put_sync(&mdp->pdev->dev);

	return 0;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:40，代码来源:sh_eth.c

示例15: sh_eth_start_xmit

/* Packet transmit function */
static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);
	struct sh_eth_txdesc *txdesc;
	u32 entry;
	unsigned long flags;

	spin_lock_irqsave(&mdp->lock, flags);
	if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) {
		if (!sh_eth_txfree(ndev)) {
			if (netif_msg_tx_queued(mdp))
				dev_warn(&ndev->dev, "TxFD exhausted.\n");
			netif_stop_queue(ndev);
			spin_unlock_irqrestore(&mdp->lock, flags);
			return NETDEV_TX_BUSY;
		}
	}
	spin_unlock_irqrestore(&mdp->lock, flags);

	entry = mdp->cur_tx % TX_RING_SIZE;
	mdp->tx_skbuff[entry] = skb;
	txdesc = &mdp->tx_ring[entry];
	txdesc->addr = virt_to_phys(skb->data);
	/* soft swap. */
	if (!mdp->cd->hw_swap)
		sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)),
				 skb->len + 2);
	/* write back */
	__flush_purge_region(skb->data, skb->len);
	if (skb->len < ETHERSMALL)
		txdesc->buffer_length = ETHERSMALL;
	else
		txdesc->buffer_length = skb->len;

	if (entry >= TX_RING_SIZE - 1)
		txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE);
	else
		txdesc->status |= cpu_to_edmac(mdp, TD_TACT);

	mdp->cur_tx++;

	if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp)))
		sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR);

	return NETDEV_TX_OK;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:47，代码来源:sh_eth.c

示例16: sh_eth_interrupt

static irqreturn_t sh_eth_interrupt(int irq, void *netdev)
{
	struct net_device *ndev = netdev;
	struct sh_eth_private *mdp = netdev_priv(ndev);
	struct sh_eth_cpu_data *cd = mdp->cd;
	irqreturn_t ret = IRQ_NONE;
	u32 intr_status = 0;

	spin_lock(&mdp->lock);

	/* Get interrpt stat */
	intr_status = sh_eth_read(ndev, EESR);
	/* Clear interrupt */
	if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF |
			EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF |
			cd->tx_check | cd->eesr_err_check)) {
		sh_eth_write(ndev, intr_status, EESR);
		ret = IRQ_HANDLED;
	} else
		goto other_irq;

	if (intr_status & (EESR_FRC | /* Frame recv*/
			EESR_RMAF | /* Multi cast address recv*/
			EESR_RRF  | /* Bit frame recv */
			EESR_RTLF | /* Long frame recv*/
			EESR_RTSF | /* short frame recv */
			EESR_PRE  | /* PHY-LSI recv error */
			EESR_CERF)){ /* recv frame CRC error */
		sh_eth_rx(ndev);
	}

	/* Tx Check */
	if (intr_status & cd->tx_check) {
		sh_eth_txfree(ndev);
		netif_wake_queue(ndev);
	}

	if (intr_status & cd->eesr_err_check)
		sh_eth_error(ndev, intr_status);

other_irq:
	spin_unlock(&mdp->lock);

	return ret;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:45，代码来源:sh_eth.c

示例17: sh_eth_recv

int sh_eth_recv(struct eth_device *dev)
{
	struct sh_eth_dev *eth = dev->priv;
	int port = eth->port, len = 0;
	struct sh_eth_info *port_info = &eth->port_info[port];
	uchar *packet;

	/* Check if the rx descriptor is ready */
	invalidate_cache(port_info->rx_desc_cur, sizeof(struct rx_desc_s));
	if (!(port_info->rx_desc_cur->rd0 & RD_RACT)) {
		/* Check for errors */
		if (!(port_info->rx_desc_cur->rd0 & RD_RFE)) {
			len = port_info->rx_desc_cur->rd1 & 0xffff;
			packet = (uchar *)
				ADDR_TO_P2(port_info->rx_desc_cur->rd2);
			invalidate_cache(packet, len);
			net_process_received_packet(packet, len);
		}

		/* Make current descriptor available again */
		if (port_info->rx_desc_cur->rd0 & RD_RDLE)
			port_info->rx_desc_cur->rd0 = RD_RACT | RD_RDLE;
		else
			port_info->rx_desc_cur->rd0 = RD_RACT;

		flush_cache_wback(port_info->rx_desc_cur,
				  sizeof(struct rx_desc_s));

		/* Point to the next descriptor */
		port_info->rx_desc_cur++;
		if (port_info->rx_desc_cur >=
		    port_info->rx_desc_base + NUM_RX_DESC)
			port_info->rx_desc_cur = port_info->rx_desc_base;
	}

	/* Restart the receiver if disabled */
	if (!(sh_eth_read(eth, EDRRR) & EDRRR_R))
		sh_eth_write(eth, EDRRR_R, EDRRR);

	return len;
}

开发者ID:13xiaobang，项目名称:mini2440-uboot_2016.01，代码行数:41，代码来源:sh_eth.c

示例18: sh_eth_adjust_link

/* PHY state control function */
static void sh_eth_adjust_link(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);
	struct phy_device *phydev = mdp->phydev;
	int new_state = 0;

	if (phydev->link != PHY_DOWN) {
		if (phydev->duplex != mdp->duplex) {
			new_state = 1;
			mdp->duplex = phydev->duplex;
			if (mdp->cd->set_duplex)
				mdp->cd->set_duplex(ndev);
		}

		if (phydev->speed != mdp->speed) {
			new_state = 1;
			mdp->speed = phydev->speed;
			if (mdp->cd->set_rate)
				mdp->cd->set_rate(ndev);
		}
		if (mdp->link == PHY_DOWN) {
			sh_eth_write(ndev,
				(sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR);
			new_state = 1;
			mdp->link = phydev->link;
		}
	} else if (mdp->link) {
		new_state = 1;
		mdp->link = PHY_DOWN;
		mdp->speed = 0;
		mdp->duplex = -1;
	}

	if (new_state && netif_msg_link(mdp))
		phy_print_status(phydev);
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:37，代码来源:sh_eth.c

示例19: sh_eth_rx

/* Packet receive function */
static int sh_eth_rx(struct net_device *ndev)
{
	struct sh_eth_private *mdp = netdev_priv(ndev);
	struct sh_eth_rxdesc *rxdesc;

	int entry = mdp->cur_rx % RX_RING_SIZE;
	int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx;
	struct sk_buff *skb;
	u16 pkt_len = 0;
	u32 desc_status;

	rxdesc = &mdp->rx_ring[entry];
	while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
		desc_status = edmac_to_cpu(mdp, rxdesc->status);
		pkt_len = rxdesc->frame_length;

		if (--boguscnt < 0)
			break;

		if (!(desc_status & RDFEND))
			mdp->stats.rx_length_errors++;

		if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
				   RD_RFS5 | RD_RFS6 | RD_RFS10)) {
			mdp->stats.rx_errors++;
			if (desc_status & RD_RFS1)
				mdp->stats.rx_crc_errors++;
			if (desc_status & RD_RFS2)
				mdp->stats.rx_frame_errors++;
			if (desc_status & RD_RFS3)
				mdp->stats.rx_length_errors++;
			if (desc_status & RD_RFS4)
				mdp->stats.rx_length_errors++;
			if (desc_status & RD_RFS6)
				mdp->stats.rx_missed_errors++;
			if (desc_status & RD_RFS10)
				mdp->stats.rx_over_errors++;
		} else {
			if (!mdp->cd->hw_swap)
				sh_eth_soft_swap(
					phys_to_virt(ALIGN(rxdesc->addr, 4)),
					pkt_len + 2);
			skb = mdp->rx_skbuff[entry];
			mdp->rx_skbuff[entry] = NULL;
			if (mdp->cd->rpadir)
				skb_reserve(skb, NET_IP_ALIGN);
			skb_put(skb, pkt_len);
			skb->protocol = eth_type_trans(skb, ndev);
			netif_rx(skb);
			mdp->stats.rx_packets++;
			mdp->stats.rx_bytes += pkt_len;
		}
		rxdesc->status |= cpu_to_edmac(mdp, RD_RACT);
		entry = (++mdp->cur_rx) % RX_RING_SIZE;
		rxdesc = &mdp->rx_ring[entry];
	}

	/* Refill the Rx ring buffers. */
	for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) {
		entry = mdp->dirty_rx % RX_RING_SIZE;
		rxdesc = &mdp->rx_ring[entry];
		/* The size of the buffer is 16 byte boundary. */
		rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);

		if (mdp->rx_skbuff[entry] == NULL) {
			skb = dev_alloc_skb(mdp->rx_buf_sz);
			mdp->rx_skbuff[entry] = skb;
			if (skb == NULL)
				break;	/* Better luck next round. */
			dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz,
					DMA_FROM_DEVICE);
			skb->dev = ndev;
			sh_eth_set_receive_align(skb);

			skb_checksum_none_assert(skb);
			rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
		}
		if (entry >= RX_RING_SIZE - 1)
			rxdesc->status |=
				cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL);
		else
			rxdesc->status |=
				cpu_to_edmac(mdp, RD_RACT | RD_RFP);
	}

	/* Restart Rx engine if stopped. */
	/* If we don't need to check status, don't. -KDU */
	if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R))
		sh_eth_write(ndev, EDRRR_R, EDRRR);

	return 0;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:93，代码来源:sh_eth.c

示例20: sh_eth_stop

static void sh_eth_stop(struct sh_eth_dev *eth)
{
	sh_eth_write(eth, ~EDRRR_R, EDRRR);
}

开发者ID:Analias，项目名称:SNOWLeo-SDR-1，代码行数:4，代码来源:sh_eth.c

注：本文中的sh_eth_write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++ sh_eth_write函数代码示例

示例1: sh_eth_reset

示例2: sh_eth_reset

示例3: update_mac_address

示例4: sh_eth_set_duplex

示例5: sh_eth_bb_set_mdc

示例6: sh_eth_set_multicast_list

示例7: sh_eth_tx_desc_init

示例8: sh_eth_set_rate

示例9: sh_eth_start

示例10: sh_eth_bb_mdio_tristate

示例11: sh_eth_send

示例12: sh_eth_set_rate_giga

示例13: netdev_priv

示例14: sh_eth_close

示例15: sh_eth_start_xmit

示例16: sh_eth_interrupt

示例17: sh_eth_recv

示例18: sh_eth_adjust_link

示例19: sh_eth_rx

示例20: sh_eth_stop

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