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kernel/linux-rt-4.4.41/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c 4.08 KB
5113f6f70   김현기   kernel add
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  /* Applied Micro X-Gene SoC Ethernet Driver
   *
   * Copyright (c) 2014, Applied Micro Circuits Corporation
   * Authors: Iyappan Subramanian <isubramanian@apm.com>
   *
   * This program is free software; you can redistribute  it and/or modify it
   * under  the terms of  the GNU General  Public License as published by the
   * Free Software Foundation;  either version 2 of the  License, or (at your
   * option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #include <linux/ethtool.h>
  #include "xgene_enet_main.h"
  
  struct xgene_gstrings_stats {
  	char name[ETH_GSTRING_LEN];
  	int offset;
  };
  
  #define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) }
  
  static const struct xgene_gstrings_stats gstrings_stats[] = {
  	XGENE_STAT(rx_packets),
  	XGENE_STAT(tx_packets),
  	XGENE_STAT(rx_bytes),
  	XGENE_STAT(tx_bytes),
  	XGENE_STAT(rx_errors),
  	XGENE_STAT(tx_errors),
  	XGENE_STAT(rx_length_errors),
  	XGENE_STAT(rx_crc_errors),
  	XGENE_STAT(rx_frame_errors),
  	XGENE_STAT(rx_fifo_errors)
  };
  
  #define XGENE_STATS_LEN		ARRAY_SIZE(gstrings_stats)
  
  static void xgene_get_drvinfo(struct net_device *ndev,
  			      struct ethtool_drvinfo *info)
  {
  	struct xgene_enet_pdata *pdata = netdev_priv(ndev);
  	struct platform_device *pdev = pdata->pdev;
  
  	strcpy(info->driver, "xgene_enet");
  	strcpy(info->version, XGENE_DRV_VERSION);
  	snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
  	sprintf(info->bus_info, "%s", pdev->name);
  }
  
  static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
  {
  	struct xgene_enet_pdata *pdata = netdev_priv(ndev);
  	struct phy_device *phydev = pdata->phy_dev;
  
  	if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
  		if (phydev == NULL)
  			return -ENODEV;
  
  		return phy_ethtool_gset(phydev, cmd);
  	} else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
  		cmd->supported = SUPPORTED_1000baseT_Full |
  				 SUPPORTED_Autoneg | SUPPORTED_MII;
  		cmd->advertising = cmd->supported;
  		ethtool_cmd_speed_set(cmd, SPEED_1000);
  		cmd->duplex = DUPLEX_FULL;
  		cmd->port = PORT_MII;
  		cmd->transceiver = XCVR_INTERNAL;
  		cmd->autoneg = AUTONEG_ENABLE;
  	} else {
  		cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
  		cmd->advertising = cmd->supported;
  		ethtool_cmd_speed_set(cmd, SPEED_10000);
  		cmd->duplex = DUPLEX_FULL;
  		cmd->port = PORT_FIBRE;
  		cmd->transceiver = XCVR_INTERNAL;
  		cmd->autoneg = AUTONEG_DISABLE;
  	}
  
  	return 0;
  }
  
  static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
  {
  	struct xgene_enet_pdata *pdata = netdev_priv(ndev);
  	struct phy_device *phydev = pdata->phy_dev;
  
  	if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
  		if (phydev == NULL)
  			return -ENODEV;
  
  		return phy_ethtool_sset(phydev, cmd);
  	}
  
  	return -EINVAL;
  }
  
  static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
  {
  	int i;
  	u8 *p = data;
  
  	if (stringset != ETH_SS_STATS)
  		return;
  
  	for (i = 0; i < XGENE_STATS_LEN; i++) {
  		memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
  		p += ETH_GSTRING_LEN;
  	}
  }
  
  static int xgene_get_sset_count(struct net_device *ndev, int sset)
  {
  	if (sset != ETH_SS_STATS)
  		return -EINVAL;
  
  	return XGENE_STATS_LEN;
  }
  
  static void xgene_get_ethtool_stats(struct net_device *ndev,
  				    struct ethtool_stats *dummy,
  				    u64 *data)
  {
  	void *pdata = netdev_priv(ndev);
  	int i;
  
  	for (i = 0; i < XGENE_STATS_LEN; i++)
  		*data++ = *(u64 *)(pdata + gstrings_stats[i].offset);
  }
  
  static const struct ethtool_ops xgene_ethtool_ops = {
  	.get_drvinfo = xgene_get_drvinfo,
  	.get_settings = xgene_get_settings,
  	.set_settings = xgene_set_settings,
  	.get_link = ethtool_op_get_link,
  	.get_strings = xgene_get_strings,
  	.get_sset_count = xgene_get_sset_count,
  	.get_ethtool_stats = xgene_get_ethtool_stats
  };
  
  void xgene_enet_set_ethtool_ops(struct net_device *ndev)
  {
  	ndev->ethtool_ops = &xgene_ethtool_ops;
  }