1e6ad7673SIyappan Subramanian /* Applied Micro X-Gene SoC Ethernet Driver 2e6ad7673SIyappan Subramanian * 3e6ad7673SIyappan Subramanian * Copyright (c) 2014, Applied Micro Circuits Corporation 4e6ad7673SIyappan Subramanian * Authors: Iyappan Subramanian <isubramanian@apm.com> 5e6ad7673SIyappan Subramanian * 6e6ad7673SIyappan Subramanian * This program is free software; you can redistribute it and/or modify it 7e6ad7673SIyappan Subramanian * under the terms of the GNU General Public License as published by the 8e6ad7673SIyappan Subramanian * Free Software Foundation; either version 2 of the License, or (at your 9e6ad7673SIyappan Subramanian * option) any later version. 10e6ad7673SIyappan Subramanian * 11e6ad7673SIyappan Subramanian * This program is distributed in the hope that it will be useful, 12e6ad7673SIyappan Subramanian * but WITHOUT ANY WARRANTY; without even the implied warranty of 13e6ad7673SIyappan Subramanian * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14e6ad7673SIyappan Subramanian * GNU General Public License for more details. 15e6ad7673SIyappan Subramanian * 16e6ad7673SIyappan Subramanian * You should have received a copy of the GNU General Public License 17e6ad7673SIyappan Subramanian * along with this program. If not, see <http://www.gnu.org/licenses/>. 18e6ad7673SIyappan Subramanian */ 19e6ad7673SIyappan Subramanian 20e6ad7673SIyappan Subramanian #include <linux/ethtool.h> 21e6ad7673SIyappan Subramanian #include "xgene_enet_main.h" 22e6ad7673SIyappan Subramanian 23e6ad7673SIyappan Subramanian struct xgene_gstrings_stats { 24e6ad7673SIyappan Subramanian char name[ETH_GSTRING_LEN]; 25e6ad7673SIyappan Subramanian int offset; 26e6ad7673SIyappan Subramanian }; 27e6ad7673SIyappan Subramanian 28e6ad7673SIyappan Subramanian #define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) } 29e6ad7673SIyappan Subramanian 30e6ad7673SIyappan Subramanian static const struct xgene_gstrings_stats gstrings_stats[] = { 31e6ad7673SIyappan Subramanian XGENE_STAT(rx_packets), 32e6ad7673SIyappan Subramanian XGENE_STAT(tx_packets), 33e6ad7673SIyappan Subramanian XGENE_STAT(rx_bytes), 34e6ad7673SIyappan Subramanian XGENE_STAT(tx_bytes), 35e6ad7673SIyappan Subramanian XGENE_STAT(rx_errors), 36e6ad7673SIyappan Subramanian XGENE_STAT(tx_errors), 37e6ad7673SIyappan Subramanian XGENE_STAT(rx_length_errors), 38e6ad7673SIyappan Subramanian XGENE_STAT(rx_crc_errors), 39e6ad7673SIyappan Subramanian XGENE_STAT(rx_frame_errors), 40e6ad7673SIyappan Subramanian XGENE_STAT(rx_fifo_errors) 41e6ad7673SIyappan Subramanian }; 42e6ad7673SIyappan Subramanian 43e6ad7673SIyappan Subramanian #define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats) 44e6ad7673SIyappan Subramanian 45e6ad7673SIyappan Subramanian static void xgene_get_drvinfo(struct net_device *ndev, 46e6ad7673SIyappan Subramanian struct ethtool_drvinfo *info) 47e6ad7673SIyappan Subramanian { 48e6ad7673SIyappan Subramanian struct xgene_enet_pdata *pdata = netdev_priv(ndev); 49e6ad7673SIyappan Subramanian struct platform_device *pdev = pdata->pdev; 50e6ad7673SIyappan Subramanian 51e6ad7673SIyappan Subramanian strcpy(info->driver, "xgene_enet"); 52e6ad7673SIyappan Subramanian strcpy(info->version, XGENE_DRV_VERSION); 53e6ad7673SIyappan Subramanian snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A"); 54e6ad7673SIyappan Subramanian sprintf(info->bus_info, "%s", pdev->name); 55e6ad7673SIyappan Subramanian } 56e6ad7673SIyappan Subramanian 57e6ad7673SIyappan Subramanian static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd) 58e6ad7673SIyappan Subramanian { 59e6ad7673SIyappan Subramanian struct xgene_enet_pdata *pdata = netdev_priv(ndev); 60e6ad7673SIyappan Subramanian struct phy_device *phydev = pdata->phy_dev; 61e6ad7673SIyappan Subramanian 6241aace6eSIyappan Subramanian if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) { 63e6ad7673SIyappan Subramanian if (phydev == NULL) 64e6ad7673SIyappan Subramanian return -ENODEV; 65e6ad7673SIyappan Subramanian 66e6ad7673SIyappan Subramanian return phy_ethtool_gset(phydev, cmd); 67e6ad7673SIyappan Subramanian } 68e6ad7673SIyappan Subramanian 6941aace6eSIyappan Subramanian cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE; 7041aace6eSIyappan Subramanian cmd->advertising = cmd->supported; 7141aace6eSIyappan Subramanian ethtool_cmd_speed_set(cmd, SPEED_10000); 7241aace6eSIyappan Subramanian cmd->duplex = DUPLEX_FULL; 7341aace6eSIyappan Subramanian cmd->port = PORT_FIBRE; 7441aace6eSIyappan Subramanian cmd->transceiver = XCVR_EXTERNAL; 7541aace6eSIyappan Subramanian cmd->autoneg = AUTONEG_DISABLE; 7641aace6eSIyappan Subramanian 7741aace6eSIyappan Subramanian return 0; 7841aace6eSIyappan Subramanian } 7941aace6eSIyappan Subramanian 80e6ad7673SIyappan Subramanian static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd) 81e6ad7673SIyappan Subramanian { 82e6ad7673SIyappan Subramanian struct xgene_enet_pdata *pdata = netdev_priv(ndev); 83e6ad7673SIyappan Subramanian struct phy_device *phydev = pdata->phy_dev; 84e6ad7673SIyappan Subramanian 8541aace6eSIyappan Subramanian if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) { 86e6ad7673SIyappan Subramanian if (phydev == NULL) 87e6ad7673SIyappan Subramanian return -ENODEV; 88e6ad7673SIyappan Subramanian 89e6ad7673SIyappan Subramanian return phy_ethtool_sset(phydev, cmd); 90e6ad7673SIyappan Subramanian } 91e6ad7673SIyappan Subramanian 9241aace6eSIyappan Subramanian return -EINVAL; 9341aace6eSIyappan Subramanian } 9441aace6eSIyappan Subramanian 95e6ad7673SIyappan Subramanian static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 96e6ad7673SIyappan Subramanian { 97e6ad7673SIyappan Subramanian int i; 98e6ad7673SIyappan Subramanian u8 *p = data; 99e6ad7673SIyappan Subramanian 100e6ad7673SIyappan Subramanian if (stringset != ETH_SS_STATS) 101e6ad7673SIyappan Subramanian return; 102e6ad7673SIyappan Subramanian 103e6ad7673SIyappan Subramanian for (i = 0; i < XGENE_STATS_LEN; i++) { 104e6ad7673SIyappan Subramanian memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN); 105e6ad7673SIyappan Subramanian p += ETH_GSTRING_LEN; 106e6ad7673SIyappan Subramanian } 107e6ad7673SIyappan Subramanian } 108e6ad7673SIyappan Subramanian 109e6ad7673SIyappan Subramanian static int xgene_get_sset_count(struct net_device *ndev, int sset) 110e6ad7673SIyappan Subramanian { 111e6ad7673SIyappan Subramanian if (sset != ETH_SS_STATS) 112e6ad7673SIyappan Subramanian return -EINVAL; 113e6ad7673SIyappan Subramanian 114e6ad7673SIyappan Subramanian return XGENE_STATS_LEN; 115e6ad7673SIyappan Subramanian } 116e6ad7673SIyappan Subramanian 117e6ad7673SIyappan Subramanian static void xgene_get_ethtool_stats(struct net_device *ndev, 118e6ad7673SIyappan Subramanian struct ethtool_stats *dummy, 119e6ad7673SIyappan Subramanian u64 *data) 120e6ad7673SIyappan Subramanian { 121e6ad7673SIyappan Subramanian void *pdata = netdev_priv(ndev); 122e6ad7673SIyappan Subramanian int i; 123e6ad7673SIyappan Subramanian 124e6ad7673SIyappan Subramanian for (i = 0; i < XGENE_STATS_LEN; i++) 125e6ad7673SIyappan Subramanian *data++ = *(u64 *)(pdata + gstrings_stats[i].offset); 126e6ad7673SIyappan Subramanian } 127e6ad7673SIyappan Subramanian 128e6ad7673SIyappan Subramanian static const struct ethtool_ops xgene_ethtool_ops = { 129e6ad7673SIyappan Subramanian .get_drvinfo = xgene_get_drvinfo, 130e6ad7673SIyappan Subramanian .get_settings = xgene_get_settings, 131e6ad7673SIyappan Subramanian .set_settings = xgene_set_settings, 132e6ad7673SIyappan Subramanian .get_link = ethtool_op_get_link, 133e6ad7673SIyappan Subramanian .get_strings = xgene_get_strings, 134e6ad7673SIyappan Subramanian .get_sset_count = xgene_get_sset_count, 135e6ad7673SIyappan Subramanian .get_ethtool_stats = xgene_get_ethtool_stats 136e6ad7673SIyappan Subramanian }; 137e6ad7673SIyappan Subramanian 138e6ad7673SIyappan Subramanian void xgene_enet_set_ethtool_ops(struct net_device *ndev) 139e6ad7673SIyappan Subramanian { 140e6ad7673SIyappan Subramanian ndev->ethtool_ops = &xgene_ethtool_ops; 141e6ad7673SIyappan Subramanian } 142