netxen_nic_ethtool.c

来自「linux 内核源代码」· C语言 代码 · 共 770 行 · 第 1/2 页

		}

	}
}

static u32 netxen_nic_test_link(struct net_device *dev)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	__u32 status;
	int val;

	/* read which mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
		if (adapter->phy_read
		    && adapter->phy_read(adapter,
					 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
					 &status) != 0)
			return -EIO;
		else {
			val = netxen_get_phy_link(status);
			return !val;
		}
	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
		val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
		return (val == XG_LINK_UP) ? 0 : 1;
	}
	return -EIO;
}

static int
netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		      u8 * bytes)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	int offset;
	int ret;

	if (eeprom->len == 0)
		return -EINVAL;

	eeprom->magic = (adapter->pdev)->vendor | 
			((adapter->pdev)->device << 16);
	offset = eeprom->offset;

	ret = netxen_rom_fast_read_words(adapter, offset, bytes, 
						eeprom->len);
	if (ret < 0)
		return ret;

	return 0;
}

static int
netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
			u8 * bytes)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	int offset = eeprom->offset;
	static int flash_start;
	static int ready_to_flash;
	int ret;

	if (flash_start == 0) {
		netxen_halt_pegs(adapter);
		ret = netxen_flash_unlock(adapter);
		if (ret < 0) {
			printk(KERN_ERR "%s: Flash unlock failed.\n",
				netxen_nic_driver_name);
			return ret;
		}
		printk(KERN_INFO "%s: flash unlocked. \n", 
			netxen_nic_driver_name);
		last_schedule_time = jiffies;
		ret = netxen_flash_erase_secondary(adapter);
		if (ret != FLASH_SUCCESS) {
			printk(KERN_ERR "%s: Flash erase failed.\n", 
				netxen_nic_driver_name);
			return ret;
		}
		printk(KERN_INFO "%s: secondary flash erased successfully.\n", 
			netxen_nic_driver_name);
		flash_start = 1;
		return 0;
	}

	if (offset == NETXEN_BOOTLD_START) {
		ret = netxen_flash_erase_primary(adapter);
		if (ret != FLASH_SUCCESS) {
			printk(KERN_ERR "%s: Flash erase failed.\n", 
				netxen_nic_driver_name);
			return ret;
		}

		ret = netxen_rom_se(adapter, NETXEN_USER_START);
		if (ret != FLASH_SUCCESS)
			return ret;
		ret = netxen_rom_se(adapter, NETXEN_FIXED_START);
		if (ret != FLASH_SUCCESS)
			return ret;

		printk(KERN_INFO "%s: primary flash erased successfully\n", 
			netxen_nic_driver_name);

		ret = netxen_backup_crbinit(adapter);
		if (ret != FLASH_SUCCESS) {
			printk(KERN_ERR "%s: CRBinit backup failed.\n", 
				netxen_nic_driver_name);
			return ret;
		}
		printk(KERN_INFO "%s: CRBinit backup done.\n", 
			netxen_nic_driver_name);
		ready_to_flash = 1;
	}

	if (!ready_to_flash) {
		printk(KERN_ERR "%s: Invalid write sequence, returning...\n",
			netxen_nic_driver_name);
		return -EINVAL;
	}

	return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
}

static void
netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	int i;

	ring->rx_pending = 0;
	ring->rx_jumbo_pending = 0;
	for (i = 0; i < MAX_RCV_CTX; ++i) {
		ring->rx_pending += adapter->recv_ctx[i].
		    rcv_desc[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
		ring->rx_jumbo_pending += adapter->recv_ctx[i].
		    rcv_desc[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
	}
	ring->tx_pending = adapter->max_tx_desc_count;

	ring->rx_max_pending = MAX_RCV_DESCRIPTORS;
	ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST;
	ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS;
	ring->rx_mini_max_pending = 0;
	ring->rx_mini_pending = 0;
}

static void
netxen_nic_get_pauseparam(struct net_device *dev,
			  struct ethtool_pauseparam *pause)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	__u32 val;
	int port = physical_port[adapter->portnum];

	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
		if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
			return;
		/* get flow control settings */
		netxen_nic_read_w0(adapter,NETXEN_NIU_GB_MAC_CONFIG_0(port),
				&val);
		pause->rx_pause = netxen_gb_get_rx_flowctl(val);
		netxen_nic_read_w0(adapter, NETXEN_NIU_GB_PAUSE_CTL, &val);
		switch (port) {
			case 0:
				pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
				break;
			case 1:
				pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
				break;
			case 2:
				pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
				break;
			case 3:
			default:
				pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
				break;
		}
	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
		if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
			return;
		pause->rx_pause = 1;
		netxen_nic_read_w0(adapter, NETXEN_NIU_XG_PAUSE_CTL, &val);
		if (port == 0)
			pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
		else
			pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
	} else {
		printk(KERN_ERR"%s: Unknown board type: %x\n", 
				netxen_nic_driver_name, adapter->ahw.board_type);
	}
}

static int
netxen_nic_set_pauseparam(struct net_device *dev,
			  struct ethtool_pauseparam *pause)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	__u32 val;
	int port = physical_port[adapter->portnum];
	/* read mode */
	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
		if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
			return -EIO;
		/* set flow control */
		netxen_nic_read_w0(adapter,
					NETXEN_NIU_GB_MAC_CONFIG_0(port), &val);
		
		if (pause->rx_pause)
			netxen_gb_rx_flowctl(val);
		else
			netxen_gb_unset_rx_flowctl(val);

		netxen_nic_write_w0(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
				val);
		/* set autoneg */
		netxen_nic_read_w0(adapter, NETXEN_NIU_GB_PAUSE_CTL, &val);
		switch (port) {
			case 0:
				if (pause->tx_pause)
					netxen_gb_unset_gb0_mask(val);
				else
					netxen_gb_set_gb0_mask(val);
				break;
			case 1:
				if (pause->tx_pause)
					netxen_gb_unset_gb1_mask(val);
				else
					netxen_gb_set_gb1_mask(val);
				break;
			case 2:
				if (pause->tx_pause)
					netxen_gb_unset_gb2_mask(val);
				else
					netxen_gb_set_gb2_mask(val);
				break;
			case 3:
			default:
				if (pause->tx_pause)
					netxen_gb_unset_gb3_mask(val);
				else
					netxen_gb_set_gb3_mask(val);
				break;
		}
		netxen_nic_write_w0(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
		if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
			return -EIO;
		netxen_nic_read_w0(adapter, NETXEN_NIU_XG_PAUSE_CTL, &val);
		if (port == 0) {
			if (pause->tx_pause)
				netxen_xg_unset_xg0_mask(val);
			else
				netxen_xg_set_xg0_mask(val);
		} else {
			if (pause->tx_pause)
				netxen_xg_unset_xg1_mask(val);
			else
				netxen_xg_set_xg1_mask(val);
		}
		netxen_nic_write_w0(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);			
	} else {
		printk(KERN_ERR "%s: Unknown board type: %x\n",
				netxen_nic_driver_name, 
				adapter->ahw.board_type);
	}
	return 0;
}

static int netxen_nic_reg_test(struct net_device *dev)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	u32 data_read, data_written;

	netxen_nic_read_w0(adapter, NETXEN_PCIX_PH_REG(0), &data_read);
	if ((data_read & 0xffff) != PHAN_VENDOR_ID)
	return 1;

	data_written = (u32)0xa5a5a5a5;

	netxen_nic_reg_write(adapter, CRB_SCRATCHPAD_TEST, data_written);
	data_read = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_SCRATCHPAD_TEST));
	if (data_written != data_read)
		return 1;

	return 0;
}

static int netxen_get_sset_count(struct net_device *dev, int sset)
{
	switch (sset) {
	case ETH_SS_TEST:
		return NETXEN_NIC_TEST_LEN;
	case ETH_SS_STATS:
		return NETXEN_NIC_STATS_LEN;
	default:
		return -EOPNOTSUPP;
	}
}

static void
netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
		     u64 * data)
{
	memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
	if ((data[0] = netxen_nic_reg_test(dev)))
		eth_test->flags |= ETH_TEST_FL_FAILED;
	/* link test */
	if ((data[1] = (u64) netxen_nic_test_link(dev)))
		eth_test->flags |= ETH_TEST_FL_FAILED;
}

static void
netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
{
	int index;

	switch (stringset) {
	case ETH_SS_TEST:
		memcpy(data, *netxen_nic_gstrings_test,
		       NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
		for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
			memcpy(data + index * ETH_GSTRING_LEN,
			       netxen_nic_gstrings_stats[index].stat_string,
			       ETH_GSTRING_LEN);
		}
		break;
	}
}

static void
netxen_nic_get_ethtool_stats(struct net_device *dev,
			     struct ethtool_stats *stats, u64 * data)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	int index;

	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
		char *p =
		    (char *)adapter +
		    netxen_nic_gstrings_stats[index].stat_offset;
		data[index] =
		    (netxen_nic_gstrings_stats[index].sizeof_stat ==
		     sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
	}
}

static u32 netxen_nic_get_rx_csum(struct net_device *dev)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	return adapter->rx_csum;
}

static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	adapter->rx_csum = !!data;
	return 0;
}

struct ethtool_ops netxen_nic_ethtool_ops = {
	.get_settings = netxen_nic_get_settings,
	.set_settings = netxen_nic_set_settings,
	.get_drvinfo = netxen_nic_get_drvinfo,
	.get_regs_len = netxen_nic_get_regs_len,
	.get_regs = netxen_nic_get_regs,
	.get_link = ethtool_op_get_link,
	.get_eeprom_len = netxen_nic_get_eeprom_len,
	.get_eeprom = netxen_nic_get_eeprom,
	.set_eeprom = netxen_nic_set_eeprom,
	.get_ringparam = netxen_nic_get_ringparam,
	.get_pauseparam = netxen_nic_get_pauseparam,
	.set_pauseparam = netxen_nic_set_pauseparam,
	.set_tx_csum = ethtool_op_set_tx_csum,
	.set_sg = ethtool_op_set_sg,
	.set_tso = ethtool_op_set_tso,
	.self_test = netxen_nic_diag_test,
	.get_strings = netxen_nic_get_strings,
	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
	.get_sset_count = netxen_get_sset_count,
	.get_rx_csum = netxen_nic_get_rx_csum,
	.set_rx_csum = netxen_nic_set_rx_csum,
};