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e6ad7673 IS |
1 | /* Applied Micro X-Gene SoC Ethernet Driver |
2 | * | |
3 | * Copyright (c) 2014, Applied Micro Circuits Corporation | |
4 | * Authors: Iyappan Subramanian <isubramanian@apm.com> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #include <linux/ethtool.h> | |
21 | #include "xgene_enet_main.h" | |
22 | ||
23 | struct xgene_gstrings_stats { | |
24 | char name[ETH_GSTRING_LEN]; | |
25 | int offset; | |
26 | }; | |
27 | ||
28 | #define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) } | |
29 | ||
30 | static const struct xgene_gstrings_stats gstrings_stats[] = { | |
31 | XGENE_STAT(rx_packets), | |
32 | XGENE_STAT(tx_packets), | |
33 | XGENE_STAT(rx_bytes), | |
34 | XGENE_STAT(tx_bytes), | |
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) | |
41 | }; | |
42 | ||
43 | #define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats) | |
44 | ||
45 | static void xgene_get_drvinfo(struct net_device *ndev, | |
46 | struct ethtool_drvinfo *info) | |
47 | { | |
48 | struct xgene_enet_pdata *pdata = netdev_priv(ndev); | |
49 | struct platform_device *pdev = pdata->pdev; | |
50 | ||
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); | |
55 | } | |
56 | ||
57 | static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd) | |
58 | { | |
59 | struct xgene_enet_pdata *pdata = netdev_priv(ndev); | |
60 | struct phy_device *phydev = pdata->phy_dev; | |
61 | ||
41aace6e IS |
62 | if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) { |
63 | if (phydev == NULL) | |
64 | return -ENODEV; | |
e6ad7673 | 65 | |
41aace6e | 66 | return phy_ethtool_gset(phydev, cmd); |
5e6a024b IS |
67 | } else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) { |
68 | cmd->supported = SUPPORTED_1000baseT_Full | | |
69 | SUPPORTED_Autoneg | SUPPORTED_MII; | |
70 | cmd->advertising = cmd->supported; | |
71 | ethtool_cmd_speed_set(cmd, SPEED_1000); | |
72 | cmd->duplex = DUPLEX_FULL; | |
73 | cmd->port = PORT_MII; | |
74 | cmd->transceiver = XCVR_INTERNAL; | |
75 | cmd->autoneg = AUTONEG_ENABLE; | |
76 | } else { | |
77 | cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE; | |
78 | cmd->advertising = cmd->supported; | |
79 | ethtool_cmd_speed_set(cmd, SPEED_10000); | |
80 | cmd->duplex = DUPLEX_FULL; | |
81 | cmd->port = PORT_FIBRE; | |
82 | cmd->transceiver = XCVR_INTERNAL; | |
83 | cmd->autoneg = AUTONEG_DISABLE; | |
41aace6e IS |
84 | } |
85 | ||
41aace6e | 86 | return 0; |
e6ad7673 IS |
87 | } |
88 | ||
89 | static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd) | |
90 | { | |
91 | struct xgene_enet_pdata *pdata = netdev_priv(ndev); | |
92 | struct phy_device *phydev = pdata->phy_dev; | |
93 | ||
41aace6e IS |
94 | if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) { |
95 | if (phydev == NULL) | |
96 | return -ENODEV; | |
97 | ||
98 | return phy_ethtool_sset(phydev, cmd); | |
99 | } | |
e6ad7673 | 100 | |
41aace6e | 101 | return -EINVAL; |
e6ad7673 IS |
102 | } |
103 | ||
104 | static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data) | |
105 | { | |
106 | int i; | |
107 | u8 *p = data; | |
108 | ||
109 | if (stringset != ETH_SS_STATS) | |
110 | return; | |
111 | ||
112 | for (i = 0; i < XGENE_STATS_LEN; i++) { | |
113 | memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN); | |
114 | p += ETH_GSTRING_LEN; | |
115 | } | |
116 | } | |
117 | ||
118 | static int xgene_get_sset_count(struct net_device *ndev, int sset) | |
119 | { | |
120 | if (sset != ETH_SS_STATS) | |
121 | return -EINVAL; | |
122 | ||
123 | return XGENE_STATS_LEN; | |
124 | } | |
125 | ||
126 | static void xgene_get_ethtool_stats(struct net_device *ndev, | |
127 | struct ethtool_stats *dummy, | |
128 | u64 *data) | |
129 | { | |
130 | void *pdata = netdev_priv(ndev); | |
131 | int i; | |
132 | ||
133 | for (i = 0; i < XGENE_STATS_LEN; i++) | |
134 | *data++ = *(u64 *)(pdata + gstrings_stats[i].offset); | |
135 | } | |
136 | ||
137 | static const struct ethtool_ops xgene_ethtool_ops = { | |
138 | .get_drvinfo = xgene_get_drvinfo, | |
139 | .get_settings = xgene_get_settings, | |
140 | .set_settings = xgene_set_settings, | |
141 | .get_link = ethtool_op_get_link, | |
142 | .get_strings = xgene_get_strings, | |
143 | .get_sset_count = xgene_get_sset_count, | |
144 | .get_ethtool_stats = xgene_get_ethtool_stats | |
145 | }; | |
146 | ||
147 | void xgene_enet_set_ethtool_ops(struct net_device *ndev) | |
148 | { | |
149 | ndev->ethtool_ops = &xgene_ethtool_ops; | |
150 | } |