?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 4.16.11
[linux/fpc-iii.git] / drivers / net / fjes / fjes_ethtool.c
blob7d101714c2ef4cc38201971d18b4b8f8bac1b8cd
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 #define FJES_EP_STATS_LEN 14
53 #define FJES_STATS_LEN \
54 (ARRAY_SIZE(fjes_gstrings_stats) + \
55 ((&((struct fjes_adapter *)netdev_priv(netdev))->hw)->max_epid - 1) * \
56 FJES_EP_STATS_LEN)
57
58 static void fjes_get_ethtool_stats(struct net_device *netdev,
59 struct ethtool_stats *stats, u64 *data)
60 {
61 struct fjes_adapter *adapter = netdev_priv(netdev);
62 struct fjes_hw *hw = &adapter->hw;
63 int epidx;
64 char *p;
65 int i;
66
67 for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
68 p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
69 data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
70 ? *(u64 *)p : *(u32 *)p;
71 }
72 for (epidx = 0; epidx < hw->max_epid; epidx++) {
73 if (epidx == hw->my_epid)
74 continue;
75 data[i++] = hw->ep_shm_info[epidx].ep_stats
76 .com_regist_buf_exec;
77 data[i++] = hw->ep_shm_info[epidx].ep_stats
78 .com_unregist_buf_exec;
79 data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_rx;
80 data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_unshare;
81 data[i++] = hw->ep_shm_info[epidx].ep_stats
82 .send_intr_zoneupdate;
83 data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_rx;
84 data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_unshare;
85 data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_stop;
86 data[i++] = hw->ep_shm_info[epidx].ep_stats
87 .recv_intr_zoneupdate;
88 data[i++] = hw->ep_shm_info[epidx].ep_stats.tx_buffer_full;
89 data[i++] = hw->ep_shm_info[epidx].ep_stats
90 .tx_dropped_not_shared;
91 data[i++] = hw->ep_shm_info[epidx].ep_stats
92 .tx_dropped_ver_mismatch;
93 data[i++] = hw->ep_shm_info[epidx].ep_stats
94 .tx_dropped_buf_size_mismatch;
95 data[i++] = hw->ep_shm_info[epidx].ep_stats
96 .tx_dropped_vlanid_mismatch;
97 }
98 }
99
100 static void fjes_get_strings(struct net_device *netdev,
101 u32 stringset, u8 *data)
102 {
103 struct fjes_adapter *adapter = netdev_priv(netdev);
104 struct fjes_hw *hw = &adapter->hw;
105 u8 *p = data;
106 int i;
107
108 switch (stringset) {
109 case ETH_SS_STATS:
110 for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
111 memcpy(p, fjes_gstrings_stats[i].stat_string,
112 ETH_GSTRING_LEN);
113 p += ETH_GSTRING_LEN;
114 }
115 for (i = 0; i < hw->max_epid; i++) {
116 if (i == hw->my_epid)
117 continue;
118 sprintf(p, "ep%u_com_regist_buf_exec", i);
119 p += ETH_GSTRING_LEN;
120 sprintf(p, "ep%u_com_unregist_buf_exec", i);
121 p += ETH_GSTRING_LEN;
122 sprintf(p, "ep%u_send_intr_rx", i);
123 p += ETH_GSTRING_LEN;
124 sprintf(p, "ep%u_send_intr_unshare", i);
125 p += ETH_GSTRING_LEN;
126 sprintf(p, "ep%u_send_intr_zoneupdate", i);
127 p += ETH_GSTRING_LEN;
128 sprintf(p, "ep%u_recv_intr_rx", i);
129 p += ETH_GSTRING_LEN;
130 sprintf(p, "ep%u_recv_intr_unshare", i);
131 p += ETH_GSTRING_LEN;
132 sprintf(p, "ep%u_recv_intr_stop", i);
133 p += ETH_GSTRING_LEN;
134 sprintf(p, "ep%u_recv_intr_zoneupdate", i);
135 p += ETH_GSTRING_LEN;
136 sprintf(p, "ep%u_tx_buffer_full", i);
137 p += ETH_GSTRING_LEN;
138 sprintf(p, "ep%u_tx_dropped_not_shared", i);
139 p += ETH_GSTRING_LEN;
140 sprintf(p, "ep%u_tx_dropped_ver_mismatch", i);
141 p += ETH_GSTRING_LEN;
142 sprintf(p, "ep%u_tx_dropped_buf_size_mismatch", i);
143 p += ETH_GSTRING_LEN;
144 sprintf(p, "ep%u_tx_dropped_vlanid_mismatch", i);
145 p += ETH_GSTRING_LEN;
146 }
147 break;
148 }
149 }
150
151 static int fjes_get_sset_count(struct net_device *netdev, int sset)
152 {
153 switch (sset) {
154 case ETH_SS_STATS:
155 return FJES_STATS_LEN;
156 default:
157 return -EOPNOTSUPP;
158 }
159 }
160
161 static void fjes_get_drvinfo(struct net_device *netdev,
162 struct ethtool_drvinfo *drvinfo)
163 {
164 struct fjes_adapter *adapter = netdev_priv(netdev);
165 struct platform_device *plat_dev;
166
167 plat_dev = adapter->plat_dev;
168
169 strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
170 strlcpy(drvinfo->version, fjes_driver_version,
171 sizeof(drvinfo->version));
172
173 strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
174 snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
175 "platform:%s", plat_dev->name);
176 }
177
178 static int fjes_get_link_ksettings(struct net_device *netdev,
179 struct ethtool_link_ksettings *ecmd)
180 {
181 ethtool_link_ksettings_zero_link_mode(ecmd, supported);
182 ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
183 ecmd->base.duplex = DUPLEX_FULL;
184 ecmd->base.autoneg = AUTONEG_DISABLE;
185 ecmd->base.port = PORT_NONE;
186 ecmd->base.speed = 20000; /* 20Gb/s */
187
188 return 0;
189 }
190
191 static int fjes_get_regs_len(struct net_device *netdev)
192 {
193 #define FJES_REGS_LEN 37
194 return FJES_REGS_LEN * sizeof(u32);
195 }
196
197 static void fjes_get_regs(struct net_device *netdev,
198 struct ethtool_regs *regs, void *p)
199 {
200 struct fjes_adapter *adapter = netdev_priv(netdev);
201 struct fjes_hw *hw = &adapter->hw;
202 u32 *regs_buff = p;
203
204 memset(p, 0, FJES_REGS_LEN * sizeof(u32));
205
206 regs->version = 1;
207
208 /* Information registers */
209 regs_buff[0] = rd32(XSCT_OWNER_EPID);
210 regs_buff[1] = rd32(XSCT_MAX_EP);
211
212 /* Device Control registers */
213 regs_buff[4] = rd32(XSCT_DCTL);
214
215 /* Command Control registers */
216 regs_buff[8] = rd32(XSCT_CR);
217 regs_buff[9] = rd32(XSCT_CS);
218 regs_buff[10] = rd32(XSCT_SHSTSAL);
219 regs_buff[11] = rd32(XSCT_SHSTSAH);
220
221 regs_buff[13] = rd32(XSCT_REQBL);
222 regs_buff[14] = rd32(XSCT_REQBAL);
223 regs_buff[15] = rd32(XSCT_REQBAH);
224
225 regs_buff[17] = rd32(XSCT_RESPBL);
226 regs_buff[18] = rd32(XSCT_RESPBAL);
227 regs_buff[19] = rd32(XSCT_RESPBAH);
228
229 /* Interrupt Control registers */
230 regs_buff[32] = rd32(XSCT_IS);
231 regs_buff[33] = rd32(XSCT_IMS);
232 regs_buff[34] = rd32(XSCT_IMC);
233 regs_buff[35] = rd32(XSCT_IG);
234 regs_buff[36] = rd32(XSCT_ICTL);
235 }
236
237 static int fjes_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
238 {
239 struct fjes_adapter *adapter = netdev_priv(netdev);
240 struct fjes_hw *hw = &adapter->hw;
241 int ret = 0;
242
243 if (dump->flag) {
244 if (hw->debug_mode)
245 return -EPERM;
246
247 hw->debug_mode = dump->flag;
248
249 /* enable debug mode */
250 mutex_lock(&hw->hw_info.lock);
251 ret = fjes_hw_start_debug(hw);
252 mutex_unlock(&hw->hw_info.lock);
253
254 if (ret)
255 hw->debug_mode = 0;
256 } else {
257 if (!hw->debug_mode)
258 return -EPERM;
259
260 /* disable debug mode */
261 mutex_lock(&hw->hw_info.lock);
262 ret = fjes_hw_stop_debug(hw);
263 mutex_unlock(&hw->hw_info.lock);
264 }
265
266 return ret;
267 }
268
269 static int fjes_get_dump_flag(struct net_device *netdev,
270 struct ethtool_dump *dump)
271 {
272 struct fjes_adapter *adapter = netdev_priv(netdev);
273 struct fjes_hw *hw = &adapter->hw;
274
275 dump->len = hw->hw_info.trace_size;
276 dump->version = 1;
277 dump->flag = hw->debug_mode;
278
279 return 0;
280 }
281
282 static int fjes_get_dump_data(struct net_device *netdev,
283 struct ethtool_dump *dump, void *buf)
284 {
285 struct fjes_adapter *adapter = netdev_priv(netdev);
286 struct fjes_hw *hw = &adapter->hw;
287 int ret = 0;
288
289 if (hw->hw_info.trace)
290 memcpy(buf, hw->hw_info.trace, hw->hw_info.trace_size);
291 else
292 ret = -EPERM;
293
294 return ret;
295 }
296
297 static const struct ethtool_ops fjes_ethtool_ops = {
298 .get_drvinfo = fjes_get_drvinfo,
299 .get_ethtool_stats = fjes_get_ethtool_stats,
300 .get_strings = fjes_get_strings,
301 .get_sset_count = fjes_get_sset_count,
302 .get_regs = fjes_get_regs,
303 .get_regs_len = fjes_get_regs_len,
304 .set_dump = fjes_set_dump,
305 .get_dump_flag = fjes_get_dump_flag,
306 .get_dump_data = fjes_get_dump_data,
307 .get_link_ksettings = fjes_get_link_ksettings,
308 };
309
310 void fjes_set_ethtool_ops(struct net_device *netdev)
311 {
312 netdev->ethtool_ops = &fjes_ethtool_ops;
313 }
Linux with added FPC-III support