Merge branch 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
[deliverable/linux.git] / drivers / net / fjes / fjes_ethtool.c
CommitLineData
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1/*
2 * FUJITSU Extended Socket Network Device driver
3 * Copyright (c) 2015 FUJITSU LIMITED
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, see <http://www.gnu.org/licenses/>.
16 *
17 * The full GNU General Public License is included in this distribution in
18 * the file called "COPYING".
19 *
20 */
21
22/* ethtool support for fjes */
23
24#include <linux/vmalloc.h>
25#include <linux/netdevice.h>
26#include <linux/ethtool.h>
27#include <linux/platform_device.h>
28
29#include "fjes.h"
30
31struct fjes_stats {
32 char stat_string[ETH_GSTRING_LEN];
33 int sizeof_stat;
34 int stat_offset;
35};
36
37#define FJES_STAT(name, stat) { \
38 .stat_string = name, \
39 .sizeof_stat = FIELD_SIZEOF(struct fjes_adapter, stat), \
40 .stat_offset = offsetof(struct fjes_adapter, stat) \
41}
42
43static const struct fjes_stats fjes_gstrings_stats[] = {
44 FJES_STAT("rx_packets", stats64.rx_packets),
45 FJES_STAT("tx_packets", stats64.tx_packets),
46 FJES_STAT("rx_bytes", stats64.rx_bytes),
47 FJES_STAT("tx_bytes", stats64.rx_bytes),
48 FJES_STAT("rx_dropped", stats64.rx_dropped),
49 FJES_STAT("tx_dropped", stats64.tx_dropped),
50};
51
52static void fjes_get_ethtool_stats(struct net_device *netdev,
53 struct ethtool_stats *stats, u64 *data)
54{
55 struct fjes_adapter *adapter = netdev_priv(netdev);
56 char *p;
57 int i;
58
59 for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
60 p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
61 data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
62 ? *(u64 *)p : *(u32 *)p;
63 }
64}
65
66static void fjes_get_strings(struct net_device *netdev,
67 u32 stringset, u8 *data)
68{
69 u8 *p = data;
70 int i;
71
72 switch (stringset) {
73 case ETH_SS_STATS:
74 for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
75 memcpy(p, fjes_gstrings_stats[i].stat_string,
76 ETH_GSTRING_LEN);
77 p += ETH_GSTRING_LEN;
78 }
79 break;
80 }
81}
82
83static int fjes_get_sset_count(struct net_device *netdev, int sset)
84{
85 switch (sset) {
86 case ETH_SS_STATS:
87 return ARRAY_SIZE(fjes_gstrings_stats);
88 default:
89 return -EOPNOTSUPP;
90 }
91}
92
93static void fjes_get_drvinfo(struct net_device *netdev,
94 struct ethtool_drvinfo *drvinfo)
95{
96 struct fjes_adapter *adapter = netdev_priv(netdev);
97 struct platform_device *plat_dev;
98
99 plat_dev = adapter->plat_dev;
100
101 strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
102 strlcpy(drvinfo->version, fjes_driver_version,
103 sizeof(drvinfo->version));
104
105 strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
106 snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
107 "platform:%s", plat_dev->name);
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108}
109
110static int fjes_get_settings(struct net_device *netdev,
111 struct ethtool_cmd *ecmd)
112{
113 ecmd->supported = 0;
114 ecmd->advertising = 0;
115 ecmd->duplex = DUPLEX_FULL;
116 ecmd->autoneg = AUTONEG_DISABLE;
117 ecmd->transceiver = XCVR_DUMMY1;
118 ecmd->port = PORT_NONE;
119 ethtool_cmd_speed_set(ecmd, 20000); /* 20Gb/s */
120
121 return 0;
122}
123
124static const struct ethtool_ops fjes_ethtool_ops = {
125 .get_settings = fjes_get_settings,
126 .get_drvinfo = fjes_get_drvinfo,
127 .get_ethtool_stats = fjes_get_ethtool_stats,
128 .get_strings = fjes_get_strings,
129 .get_sset_count = fjes_get_sset_count,
130};
131
132void fjes_set_ethtool_ops(struct net_device *netdev)
133{
134 netdev->ethtool_ops = &fjes_ethtool_ops;
135}
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