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786eec27 TI |
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 | ||
31 | struct 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 | ||
43 | static 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 | ||
52 | static 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 | ||
66 | static 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 | ||
83 | static 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 | ||
93 | static 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); | |
786eec27 TI |
108 | } |
109 | ||
110 | static 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 | ||
124 | static 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 | ||
132 | void fjes_set_ethtool_ops(struct net_device *netdev) | |
133 | { | |
134 | netdev->ethtool_ops = &fjes_ethtool_ops; | |
135 | } |