1 /* Applied Micro X-Gene SoC Ethernet Driver
3 * Copyright (c) 2014, Applied Micro Circuits Corporation
4 * Authors: Iyappan Subramanian <isubramanian@apm.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include <linux/ethtool.h>
21 #include "xgene_enet_main.h"
23 struct xgene_gstrings_stats {
24 char name[ETH_GSTRING_LEN];
28 #define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) }
30 static const struct xgene_gstrings_stats gstrings_stats[] = {
31 XGENE_STAT(rx_packets),
32 XGENE_STAT(tx_packets),
35 XGENE_STAT(rx_errors),
36 XGENE_STAT(tx_errors),
37 XGENE_STAT(rx_length_errors),
38 XGENE_STAT(rx_crc_errors),
39 XGENE_STAT(rx_frame_errors),
40 XGENE_STAT(rx_fifo_errors)
43 #define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
45 static void xgene_get_drvinfo(struct net_device *ndev,
46 struct ethtool_drvinfo *info)
48 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
49 struct platform_device *pdev = pdata->pdev;
51 strcpy(info->driver, "xgene_enet");
52 strcpy(info->version, XGENE_DRV_VERSION);
53 snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
54 sprintf(info->bus_info, "%s", pdev->name);
57 static int xgene_get_link_ksettings(struct net_device *ndev,
58 struct ethtool_link_ksettings *cmd)
60 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
61 struct phy_device *phydev = ndev->phydev;
64 if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
68 return phy_ethtool_ksettings_get(phydev, cmd);
69 } else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
70 if (pdata->mdio_driver) {
74 return phy_ethtool_ksettings_get(phydev, cmd);
77 supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
79 ethtool_convert_legacy_u32_to_link_mode(
80 cmd->link_modes.supported,
82 ethtool_convert_legacy_u32_to_link_mode(
83 cmd->link_modes.advertising,
86 cmd->base.speed = SPEED_1000;
87 cmd->base.duplex = DUPLEX_FULL;
88 cmd->base.port = PORT_MII;
89 cmd->base.autoneg = AUTONEG_ENABLE;
91 supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
92 ethtool_convert_legacy_u32_to_link_mode(
93 cmd->link_modes.supported,
95 ethtool_convert_legacy_u32_to_link_mode(
96 cmd->link_modes.advertising,
99 cmd->base.speed = SPEED_10000;
100 cmd->base.duplex = DUPLEX_FULL;
101 cmd->base.port = PORT_FIBRE;
102 cmd->base.autoneg = AUTONEG_DISABLE;
108 static int xgene_set_link_ksettings(struct net_device *ndev,
109 const struct ethtool_link_ksettings *cmd)
111 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
112 struct phy_device *phydev = ndev->phydev;
114 if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
118 return phy_ethtool_ksettings_set(phydev, cmd);
121 if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
122 if (pdata->mdio_driver) {
126 return phy_ethtool_ksettings_set(phydev, cmd);
133 static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
138 if (stringset != ETH_SS_STATS)
141 for (i = 0; i < XGENE_STATS_LEN; i++) {
142 memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
143 p += ETH_GSTRING_LEN;
147 static int xgene_get_sset_count(struct net_device *ndev, int sset)
149 if (sset != ETH_SS_STATS)
152 return XGENE_STATS_LEN;
155 static void xgene_get_ethtool_stats(struct net_device *ndev,
156 struct ethtool_stats *dummy,
159 void *pdata = netdev_priv(ndev);
162 for (i = 0; i < XGENE_STATS_LEN; i++)
163 *data++ = *(u64 *)(pdata + gstrings_stats[i].offset);
166 static const struct ethtool_ops xgene_ethtool_ops = {
167 .get_drvinfo = xgene_get_drvinfo,
168 .get_link = ethtool_op_get_link,
169 .get_strings = xgene_get_strings,
170 .get_sset_count = xgene_get_sset_count,
171 .get_ethtool_stats = xgene_get_ethtool_stats,
172 .get_link_ksettings = xgene_get_link_ksettings,
173 .set_link_ksettings = xgene_set_link_ksettings,
176 void xgene_enet_set_ethtool_ops(struct net_device *ndev)
178 ndev->ethtool_ops = &xgene_ethtool_ops;