1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2013
* Author(s): Eugene Crosser <eugene.crosser@ru.ibm.com>
*/
#include <linux/slab.h>
#include <asm/ebcdic.h>
#include "qeth_core.h"
#include "qeth_l2.h"
static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
struct device_attribute *attr, char *buf,
int show_state)
{
struct qeth_card *card = dev_get_drvdata(dev);
enum qeth_sbp_states state = QETH_SBP_STATE_INACTIVE;
int rc = 0;
char *word;
if (!qeth_bridgeport_allowed(card))
return sysfs_emit(buf, "n/a (VNIC characteristics)\n");
mutex_lock(&card->sbp_lock);
if (qeth_card_hw_is_reachable(card) &&
card->options.sbp.supported_funcs)
rc = qeth_bridgeport_query_ports(card,
&card->options.sbp.role, &state);
if (!rc) {
if (show_state)
switch (state) {
case QETH_SBP_STATE_INACTIVE:
word = "inactive"; break;
case QETH_SBP_STATE_STANDBY:
word = "standby"; break;
case QETH_SBP_STATE_ACTIVE:
word = "active"; break;
default:
rc = -EIO;
}
else
switch (card->options.sbp.role) {
case QETH_SBP_ROLE_NONE:
word = "none"; break;
case QETH_SBP_ROLE_PRIMARY:
word = "primary"; break;
case QETH_SBP_ROLE_SECONDARY:
word = "secondary"; break;
default:
rc = -EIO;
}
if (rc)
QETH_CARD_TEXT_(card, 2, "SBP%02x:%02x",
card->options.sbp.role, state);
else
rc = sysfs_emit(buf, "%s\n", word);
}
mutex_unlock(&card->sbp_lock);
return rc;
}
static ssize_t qeth_bridge_port_role_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!qeth_bridgeport_allowed(card))
return sysfs_emit(buf, "n/a (VNIC characteristics)\n");
return qeth_bridge_port_role_state_show(dev, attr, buf, 0);
}
static ssize_t qeth_bridge_port_role_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
int rc = 0;
enum qeth_sbp_roles role;
if (sysfs_streq(buf, "primary"))
role = QETH_SBP_ROLE_PRIMARY;
else if (sysfs_streq(buf, "secondary"))
role = QETH_SBP_ROLE_SECONDARY;
else if (sysfs_streq(buf, "none"))
role = QETH_SBP_ROLE_NONE;
else
return -EINVAL;
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (card->options.sbp.reflect_promisc)
/* Forbid direct manipulation */
rc = -EPERM;
else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_setrole(card, role);
if (!rc)
card->options.sbp.role = role;
} else
card->options.sbp.role = role;
mutex_unlock(&card->sbp_lock);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(bridge_role, 0644, qeth_bridge_port_role_show,
qeth_bridge_port_role_store);
static ssize_t qeth_bridge_port_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!qeth_bridgeport_allowed(card))
return sysfs_emit(buf, "n/a (VNIC characteristics)\n");
return qeth_bridge_port_role_state_show(dev, attr, buf, 1);
}
static DEVICE_ATTR(bridge_state, 0444, qeth_bridge_port_state_show,
NULL);
static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
int enabled;
if (!qeth_bridgeport_allowed(card))
return sysfs_emit(buf, "n/a (VNIC characteristics)\n");
enabled = card->options.sbp.hostnotification;
return sysfs_emit(buf, "%d\n", enabled);
}
static ssize_t qeth_bridgeport_hostnotification_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
bool enable;
int rc;
rc = kstrtobool(buf, &enable);
if (rc)
return rc;
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_an_set(card, enable);
/* sbp_lock ensures ordering vs notifications-stopped events */
if (!rc)
card->options.sbp.hostnotification = enable;
} else
card->options.sbp.hostnotification = enable;
mutex_unlock(&card->sbp_lock);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(bridge_hostnotify, 0644,
qeth_bridgeport_hostnotification_show,
qeth_bridgeport_hostnotification_store);
static ssize_t qeth_bridgeport_reflect_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *state;
if (!qeth_bridgeport_allowed(card))
return sysfs_emit(buf, "n/a (VNIC characteristics)\n");
if (card->options.sbp.reflect_promisc) {
if (card->options.sbp.reflect_promisc_primary)
state = "primary";
else
state = "secondary";
} else
state = "none";
return sysfs_emit(buf, "%s\n", state);
}
static ssize_t qeth_bridgeport_reflect_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
int enable, primary;
int rc = 0;
if (sysfs_streq(buf, "none")) {
enable = 0;
primary = 0;
} else if (sysfs_streq(buf, "primary")) {
enable = 1;
primary = 1;
} else if (sysfs_streq(buf, "secondary")) {
enable = 1;
primary = 0;
} else
return -EINVAL;
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
rc = -EPERM;
else {
card->options.sbp.reflect_promisc = enable;
card->options.sbp.reflect_promisc_primary = primary;
rc = 0;
}
mutex_unlock(&card->sbp_lock);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(bridge_reflect_promisc, 0644,
qeth_bridgeport_reflect_show,
qeth_bridgeport_reflect_store);
static struct attribute *qeth_l2_bridgeport_attrs[] = {
&dev_attr_bridge_role.attr,
&dev_attr_bridge_state.attr,
&dev_attr_bridge_hostnotify.attr,
&dev_attr_bridge_reflect_promisc.attr,
NULL,
};
static struct attribute_group qeth_l2_bridgeport_attr_group = {
.attrs = qeth_l2_bridgeport_attrs,
};
/* VNIC CHARS support */
/* convert sysfs attr name to VNIC characteristic */
static u32 qeth_l2_vnicc_sysfs_attr_to_char(const char *attr_name)
{
if (sysfs_streq(attr_name, "flooding"))
return QETH_VNICC_FLOODING;
else if (sysfs_streq(attr_name, "mcast_flooding"))
return QETH_VNICC_MCAST_FLOODING;
else if (sysfs_streq(attr_name, "learning"))
return QETH_VNICC_LEARNING;
else if (sysfs_streq(attr_name, "takeover_setvmac"))
return QETH_VNICC_TAKEOVER_SETVMAC;
else if (sysfs_streq(attr_name, "takeover_learning"))
return QETH_VNICC_TAKEOVER_LEARNING;
else if (sysfs_streq(attr_name, "bridge_invisible"))
return QETH_VNICC_BRIDGE_INVISIBLE;
else if (sysfs_streq(attr_name, "rx_bcast"))
return QETH_VNICC_RX_BCAST;
return 0;
}
/* get current timeout setting */
static ssize_t qeth_vnicc_timeout_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
u32 timeout;
int rc;
rc = qeth_l2_vnicc_get_timeout(card, &timeout);
if (rc == -EBUSY)
return sysfs_emit(buf, "n/a (BridgePort)\n");
if (rc == -EOPNOTSUPP)
return sysfs_emit(buf, "n/a\n");
return rc ? rc : sysfs_emit(buf, "%d\n", timeout);
}
/* change timeout setting */
static ssize_t qeth_vnicc_timeout_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
u32 timeout;
int rc;
rc = kstrtou32(buf, 10, &timeout);
if (rc)
return rc;
mutex_lock(&card->conf_mutex);
rc = qeth_l2_vnicc_set_timeout(card, timeout);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
/* get current setting of characteristic */
static ssize_t qeth_vnicc_char_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
bool state;
u32 vnicc;
int rc;
vnicc = qeth_l2_vnicc_sysfs_attr_to_char(attr->attr.name);
rc = qeth_l2_vnicc_get_state(card, vnicc, &state);
if (rc == -EBUSY)
return sysfs_emit(buf, "n/a (BridgePort)\n");
if (rc == -EOPNOTSUPP)
return sysfs_emit(buf, "n/a\n");
return rc ? rc : sysfs_emit(buf, "%d\n", state);
}
/* change setting of characteristic */
static ssize_t qeth_vnicc_char_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
bool state;
u32 vnicc;
int rc;
if (kstrtobool(buf, &state))
return -EINVAL;
vnicc = qeth_l2_vnicc_sysfs_attr_to_char(attr->attr.name);
mutex_lock(&card->conf_mutex);
rc = qeth_l2_vnicc_set_state(card, vnicc, state);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(flooding, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
static DEVICE_ATTR(mcast_flooding, 0644, qeth_vnicc_char_show,
qeth_vnicc_char_store);
static DEVICE_ATTR(learning, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
static DEVICE_ATTR(learning_timeout, 0644, qeth_vnicc_timeout_show,
qeth_vnicc_timeout_store);
static DEVICE_ATTR(takeover_setvmac, 0644, qeth_vnicc_char_show,
qeth_vnicc_char_store);
static DEVICE_ATTR(takeover_learning, 0644, qeth_vnicc_char_show,
qeth_vnicc_char_store);
static DEVICE_ATTR(bridge_invisible, 0644, qeth_vnicc_char_show,
qeth_vnicc_char_store);
static DEVICE_ATTR(rx_bcast, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
static struct attribute *qeth_l2_vnicc_attrs[] = {
&dev_attr_flooding.attr,
&dev_attr_mcast_flooding.attr,
&dev_attr_learning.attr,
&dev_attr_learning_timeout.attr,
&dev_attr_takeover_setvmac.attr,
&dev_attr_takeover_learning.attr,
&dev_attr_bridge_invisible.attr,
&dev_attr_rx_bcast.attr,
NULL,
};
static struct attribute_group qeth_l2_vnicc_attr_group = {
.attrs = qeth_l2_vnicc_attrs,
.name = "vnicc",
};
const struct attribute_group *qeth_l2_attr_groups[] = {
&qeth_l2_bridgeport_attr_group,
&qeth_l2_vnicc_attr_group,
NULL,
};
|
