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Staging: samsung-laptop: fix up some sysfs attribute permissions
[linux/fpc-iii.git] / drivers / infiniband / core / sysfs.c
blob158a214da2f7fd36b3c215203edc368a1fdb1cb1
1 /*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #include "core_priv.h"
36
37 #include <linux/slab.h>
38 #include <linux/string.h>
39
40 #include <rdma/ib_mad.h>
41
42 struct ib_port {
43 struct kobject kobj;
44 struct ib_device *ibdev;
45 struct attribute_group gid_group;
46 struct attribute_group pkey_group;
47 u8 port_num;
48 };
49
50 struct port_attribute {
51 struct attribute attr;
52 ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf);
53 ssize_t (*store)(struct ib_port *, struct port_attribute *,
54 const char *buf, size_t count);
55 };
56
57 #define PORT_ATTR(_name, _mode, _show, _store) \
58 struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store)
59
60 #define PORT_ATTR_RO(_name) \
61 struct port_attribute port_attr_##_name = __ATTR_RO(_name)
62
63 struct port_table_attribute {
64 struct port_attribute attr;
65 char name[8];
66 int index;
67 };
68
69 static ssize_t port_attr_show(struct kobject *kobj,
70 struct attribute *attr, char *buf)
71 {
72 struct port_attribute *port_attr =
73 container_of(attr, struct port_attribute, attr);
74 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
75
76 if (!port_attr->show)
77 return -EIO;
78
79 return port_attr->show(p, port_attr, buf);
80 }
81
82 static struct sysfs_ops port_sysfs_ops = {
83 .show = port_attr_show
84 };
85
86 static ssize_t state_show(struct ib_port *p, struct port_attribute *unused,
87 char *buf)
88 {
89 struct ib_port_attr attr;
90 ssize_t ret;
91
92 static const char *state_name[] = {
93 [IB_PORT_NOP] = "NOP",
94 [IB_PORT_DOWN] = "DOWN",
95 [IB_PORT_INIT] = "INIT",
96 [IB_PORT_ARMED] = "ARMED",
97 [IB_PORT_ACTIVE] = "ACTIVE",
98 [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER"
99 };
100
101 ret = ib_query_port(p->ibdev, p->port_num, &attr);
102 if (ret)
103 return ret;
104
105 return sprintf(buf, "%d: %s\n", attr.state,
106 attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ?
107 state_name[attr.state] : "UNKNOWN");
108 }
109
110 static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
111 char *buf)
112 {
113 struct ib_port_attr attr;
114 ssize_t ret;
115
116 ret = ib_query_port(p->ibdev, p->port_num, &attr);
117 if (ret)
118 return ret;
119
120 return sprintf(buf, "0x%x\n", attr.lid);
121 }
122
123 static ssize_t lid_mask_count_show(struct ib_port *p,
124 struct port_attribute *unused,
125 char *buf)
126 {
127 struct ib_port_attr attr;
128 ssize_t ret;
129
130 ret = ib_query_port(p->ibdev, p->port_num, &attr);
131 if (ret)
132 return ret;
133
134 return sprintf(buf, "%d\n", attr.lmc);
135 }
136
137 static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
138 char *buf)
139 {
140 struct ib_port_attr attr;
141 ssize_t ret;
142
143 ret = ib_query_port(p->ibdev, p->port_num, &attr);
144 if (ret)
145 return ret;
146
147 return sprintf(buf, "0x%x\n", attr.sm_lid);
148 }
149
150 static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
151 char *buf)
152 {
153 struct ib_port_attr attr;
154 ssize_t ret;
155
156 ret = ib_query_port(p->ibdev, p->port_num, &attr);
157 if (ret)
158 return ret;
159
160 return sprintf(buf, "%d\n", attr.sm_sl);
161 }
162
163 static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
164 char *buf)
165 {
166 struct ib_port_attr attr;
167 ssize_t ret;
168
169 ret = ib_query_port(p->ibdev, p->port_num, &attr);
170 if (ret)
171 return ret;
172
173 return sprintf(buf, "0x%08x\n", attr.port_cap_flags);
174 }
175
176 static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
177 char *buf)
178 {
179 struct ib_port_attr attr;
180 char *speed = "";
181 int rate;
182 ssize_t ret;
183
184 ret = ib_query_port(p->ibdev, p->port_num, &attr);
185 if (ret)
186 return ret;
187
188 switch (attr.active_speed) {
189 case 2: speed = " DDR"; break;
190 case 4: speed = " QDR"; break;
191 }
192
193 rate = 25 * ib_width_enum_to_int(attr.active_width) * attr.active_speed;
194 if (rate < 0)
195 return -EINVAL;
196
197 return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
198 rate / 10, rate % 10 ? ".5" : "",
199 ib_width_enum_to_int(attr.active_width), speed);
200 }
201
202 static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
203 char *buf)
204 {
205 struct ib_port_attr attr;
206
207 ssize_t ret;
208
209 ret = ib_query_port(p->ibdev, p->port_num, &attr);
210 if (ret)
211 return ret;
212
213 switch (attr.phys_state) {
214 case 1: return sprintf(buf, "1: Sleep\n");
215 case 2: return sprintf(buf, "2: Polling\n");
216 case 3: return sprintf(buf, "3: Disabled\n");
217 case 4: return sprintf(buf, "4: PortConfigurationTraining\n");
218 case 5: return sprintf(buf, "5: LinkUp\n");
219 case 6: return sprintf(buf, "6: LinkErrorRecovery\n");
220 case 7: return sprintf(buf, "7: Phy Test\n");
221 default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state);
222 }
223 }
224
225 static PORT_ATTR_RO(state);
226 static PORT_ATTR_RO(lid);
227 static PORT_ATTR_RO(lid_mask_count);
228 static PORT_ATTR_RO(sm_lid);
229 static PORT_ATTR_RO(sm_sl);
230 static PORT_ATTR_RO(cap_mask);
231 static PORT_ATTR_RO(rate);
232 static PORT_ATTR_RO(phys_state);
233
234 static struct attribute *port_default_attrs[] = {
235 &port_attr_state.attr,
236 &port_attr_lid.attr,
237 &port_attr_lid_mask_count.attr,
238 &port_attr_sm_lid.attr,
239 &port_attr_sm_sl.attr,
240 &port_attr_cap_mask.attr,
241 &port_attr_rate.attr,
242 &port_attr_phys_state.attr,
243 NULL
244 };
245
246 static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
247 char *buf)
248 {
249 struct port_table_attribute *tab_attr =
250 container_of(attr, struct port_table_attribute, attr);
251 union ib_gid gid;
252 ssize_t ret;
253
254 ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid);
255 if (ret)
256 return ret;
257
258 return sprintf(buf, "%pI6\n", gid.raw);
259 }
260
261 static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
262 char *buf)
263 {
264 struct port_table_attribute *tab_attr =
265 container_of(attr, struct port_table_attribute, attr);
266 u16 pkey;
267 ssize_t ret;
268
269 ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey);
270 if (ret)
271 return ret;
272
273 return sprintf(buf, "0x%04x\n", pkey);
274 }
275
276 #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
277 struct port_table_attribute port_pma_attr_##_name = { \
278 .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
279 .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \
280 }
281
282 static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
283 char *buf)
284 {
285 struct port_table_attribute *tab_attr =
286 container_of(attr, struct port_table_attribute, attr);
287 int offset = tab_attr->index & 0xffff;
288 int width = (tab_attr->index >> 16) & 0xff;
289 struct ib_mad *in_mad = NULL;
290 struct ib_mad *out_mad = NULL;
291 ssize_t ret;
292
293 if (!p->ibdev->process_mad)
294 return sprintf(buf, "N/A (no PMA)\n");
295
296 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
297 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
298 if (!in_mad || !out_mad) {
299 ret = -ENOMEM;
300 goto out;
301 }
302
303 in_mad->mad_hdr.base_version = 1;
304 in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
305 in_mad->mad_hdr.class_version = 1;
306 in_mad->mad_hdr.method = IB_MGMT_METHOD_GET;
307 in_mad->mad_hdr.attr_id = cpu_to_be16(0x12); /* PortCounters */
308
309 in_mad->data[41] = p->port_num; /* PortSelect field */
310
311 if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY,
312 p->port_num, NULL, NULL, in_mad, out_mad) &
313 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
314 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
315 ret = -EINVAL;
316 goto out;
317 }
318
319 switch (width) {
320 case 4:
321 ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >>
322 (4 - (offset % 8))) & 0xf);
323 break;
324 case 8:
325 ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]);
326 break;
327 case 16:
328 ret = sprintf(buf, "%u\n",
329 be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8)));
330 break;
331 case 32:
332 ret = sprintf(buf, "%u\n",
333 be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8)));
334 break;
335 default:
336 ret = 0;
337 }
338
339 out:
340 kfree(in_mad);
341 kfree(out_mad);
342
343 return ret;
344 }
345
346 static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
347 static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48);
348 static PORT_PMA_ATTR(link_downed , 2, 8, 56);
349 static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64);
350 static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80);
351 static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96);
352 static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112);
353 static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128);
354 static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136);
355 static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152);
356 static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156);
357 static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176);
358 static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192);
359 static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224);
360 static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256);
361 static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288);
362
363 static struct attribute *pma_attrs[] = {
364 &port_pma_attr_symbol_error.attr.attr,
365 &port_pma_attr_link_error_recovery.attr.attr,
366 &port_pma_attr_link_downed.attr.attr,
367 &port_pma_attr_port_rcv_errors.attr.attr,
368 &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
369 &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
370 &port_pma_attr_port_xmit_discards.attr.attr,
371 &port_pma_attr_port_xmit_constraint_errors.attr.attr,
372 &port_pma_attr_port_rcv_constraint_errors.attr.attr,
373 &port_pma_attr_local_link_integrity_errors.attr.attr,
374 &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
375 &port_pma_attr_VL15_dropped.attr.attr,
376 &port_pma_attr_port_xmit_data.attr.attr,
377 &port_pma_attr_port_rcv_data.attr.attr,
378 &port_pma_attr_port_xmit_packets.attr.attr,
379 &port_pma_attr_port_rcv_packets.attr.attr,
380 NULL
381 };
382
383 static struct attribute_group pma_group = {
384 .name = "counters",
385 .attrs = pma_attrs
386 };
387
388 static void ib_port_release(struct kobject *kobj)
389 {
390 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
391 struct attribute *a;
392 int i;
393
394 for (i = 0; (a = p->gid_group.attrs[i]); ++i)
395 kfree(a);
396
397 kfree(p->gid_group.attrs);
398
399 for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
400 kfree(a);
401
402 kfree(p->pkey_group.attrs);
403
404 kfree(p);
405 }
406
407 static struct kobj_type port_type = {
408 .release = ib_port_release,
409 .sysfs_ops = &port_sysfs_ops,
410 .default_attrs = port_default_attrs
411 };
412
413 static void ib_device_release(struct device *device)
414 {
415 struct ib_device *dev = container_of(device, struct ib_device, dev);
416
417 kfree(dev);
418 }
419
420 static int ib_device_uevent(struct device *device,
421 struct kobj_uevent_env *env)
422 {
423 struct ib_device *dev = container_of(device, struct ib_device, dev);
424
425 if (add_uevent_var(env, "NAME=%s", dev->name))
426 return -ENOMEM;
427
428 /*
429 * It would be nice to pass the node GUID with the event...
430 */
431
432 return 0;
433 }
434
435 static struct attribute **
436 alloc_group_attrs(ssize_t (*show)(struct ib_port *,
437 struct port_attribute *, char *buf),
438 int len)
439 {
440 struct attribute **tab_attr;
441 struct port_table_attribute *element;
442 int i;
443
444 tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL);
445 if (!tab_attr)
446 return NULL;
447
448 for (i = 0; i < len; i++) {
449 element = kzalloc(sizeof(struct port_table_attribute),
450 GFP_KERNEL);
451 if (!element)
452 goto err;
453
454 if (snprintf(element->name, sizeof(element->name),
455 "%d", i) >= sizeof(element->name)) {
456 kfree(element);
457 goto err;
458 }
459
460 element->attr.attr.name = element->name;
461 element->attr.attr.mode = S_IRUGO;
462 element->attr.show = show;
463 element->index = i;
464
465 tab_attr[i] = &element->attr.attr;
466 }
467
468 return tab_attr;
469
470 err:
471 while (--i >= 0)
472 kfree(tab_attr[i]);
473 kfree(tab_attr);
474 return NULL;
475 }
476
477 static int add_port(struct ib_device *device, int port_num)
478 {
479 struct ib_port *p;
480 struct ib_port_attr attr;
481 int i;
482 int ret;
483
484 ret = ib_query_port(device, port_num, &attr);
485 if (ret)
486 return ret;
487
488 p = kzalloc(sizeof *p, GFP_KERNEL);
489 if (!p)
490 return -ENOMEM;
491
492 p->ibdev = device;
493 p->port_num = port_num;
494
495 ret = kobject_init_and_add(&p->kobj, &port_type,
496 kobject_get(device->ports_parent),
497 "%d", port_num);
498 if (ret)
499 goto err_put;
500
501 ret = sysfs_create_group(&p->kobj, &pma_group);
502 if (ret)
503 goto err_put;
504
505 p->gid_group.name = "gids";
506 p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
507 if (!p->gid_group.attrs)
508 goto err_remove_pma;
509
510 ret = sysfs_create_group(&p->kobj, &p->gid_group);
511 if (ret)
512 goto err_free_gid;
513
514 p->pkey_group.name = "pkeys";
515 p->pkey_group.attrs = alloc_group_attrs(show_port_pkey,
516 attr.pkey_tbl_len);
517 if (!p->pkey_group.attrs)
518 goto err_remove_gid;
519
520 ret = sysfs_create_group(&p->kobj, &p->pkey_group);
521 if (ret)
522 goto err_free_pkey;
523
524 list_add_tail(&p->kobj.entry, &device->port_list);
525
526 kobject_uevent(&p->kobj, KOBJ_ADD);
527 return 0;
528
529 err_free_pkey:
530 for (i = 0; i < attr.pkey_tbl_len; ++i)
531 kfree(p->pkey_group.attrs[i]);
532
533 kfree(p->pkey_group.attrs);
534
535 err_remove_gid:
536 sysfs_remove_group(&p->kobj, &p->gid_group);
537
538 err_free_gid:
539 for (i = 0; i < attr.gid_tbl_len; ++i)
540 kfree(p->gid_group.attrs[i]);
541
542 kfree(p->gid_group.attrs);
543
544 err_remove_pma:
545 sysfs_remove_group(&p->kobj, &pma_group);
546
547 err_put:
548 kobject_put(device->ports_parent);
549 kfree(p);
550 return ret;
551 }
552
553 static ssize_t show_node_type(struct device *device,
554 struct device_attribute *attr, char *buf)
555 {
556 struct ib_device *dev = container_of(device, struct ib_device, dev);
557
558 switch (dev->node_type) {
559 case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
560 case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
561 case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
562 case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
563 default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
564 }
565 }
566
567 static ssize_t show_sys_image_guid(struct device *device,
568 struct device_attribute *dev_attr, char *buf)
569 {
570 struct ib_device *dev = container_of(device, struct ib_device, dev);
571 struct ib_device_attr attr;
572 ssize_t ret;
573
574 ret = ib_query_device(dev, &attr);
575 if (ret)
576 return ret;
577
578 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
579 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]),
580 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]),
581 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]),
582 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3]));
583 }
584
585 static ssize_t show_node_guid(struct device *device,
586 struct device_attribute *attr, char *buf)
587 {
588 struct ib_device *dev = container_of(device, struct ib_device, dev);
589
590 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
591 be16_to_cpu(((__be16 *) &dev->node_guid)[0]),
592 be16_to_cpu(((__be16 *) &dev->node_guid)[1]),
593 be16_to_cpu(((__be16 *) &dev->node_guid)[2]),
594 be16_to_cpu(((__be16 *) &dev->node_guid)[3]));
595 }
596
597 static ssize_t show_node_desc(struct device *device,
598 struct device_attribute *attr, char *buf)
599 {
600 struct ib_device *dev = container_of(device, struct ib_device, dev);
601
602 return sprintf(buf, "%.64s\n", dev->node_desc);
603 }
604
605 static ssize_t set_node_desc(struct device *device,
606 struct device_attribute *attr,
607 const char *buf, size_t count)
608 {
609 struct ib_device *dev = container_of(device, struct ib_device, dev);
610 struct ib_device_modify desc = {};
611 int ret;
612
613 if (!dev->modify_device)
614 return -EIO;
615
616 memcpy(desc.node_desc, buf, min_t(int, count, 64));
617 ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc);
618 if (ret)
619 return ret;
620
621 return count;
622 }
623
624 static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);
625 static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL);
626 static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL);
627 static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc);
628
629 static struct device_attribute *ib_class_attributes[] = {
630 &dev_attr_node_type,
631 &dev_attr_sys_image_guid,
632 &dev_attr_node_guid,
633 &dev_attr_node_desc
634 };
635
636 static struct class ib_class = {
637 .name = "infiniband",
638 .dev_release = ib_device_release,
639 .dev_uevent = ib_device_uevent,
640 };
641
642 /* Show a given an attribute in the statistics group */
643 static ssize_t show_protocol_stat(const struct device *device,
644 struct device_attribute *attr, char *buf,
645 unsigned offset)
646 {
647 struct ib_device *dev = container_of(device, struct ib_device, dev);
648 union rdma_protocol_stats stats;
649 ssize_t ret;
650
651 ret = dev->get_protocol_stats(dev, &stats);
652 if (ret)
653 return ret;
654
655 return sprintf(buf, "%llu\n",
656 (unsigned long long) ((u64 *) &stats)[offset]);
657 }
658
659 /* generate a read-only iwarp statistics attribute */
660 #define IW_STATS_ENTRY(name) \
661 static ssize_t show_##name(struct device *device, \
662 struct device_attribute *attr, char *buf) \
663 { \
664 return show_protocol_stat(device, attr, buf, \
665 offsetof(struct iw_protocol_stats, name) / \
666 sizeof (u64)); \
667 } \
668 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
669
670 IW_STATS_ENTRY(ipInReceives);
671 IW_STATS_ENTRY(ipInHdrErrors);
672 IW_STATS_ENTRY(ipInTooBigErrors);
673 IW_STATS_ENTRY(ipInNoRoutes);
674 IW_STATS_ENTRY(ipInAddrErrors);
675 IW_STATS_ENTRY(ipInUnknownProtos);
676 IW_STATS_ENTRY(ipInTruncatedPkts);
677 IW_STATS_ENTRY(ipInDiscards);
678 IW_STATS_ENTRY(ipInDelivers);
679 IW_STATS_ENTRY(ipOutForwDatagrams);
680 IW_STATS_ENTRY(ipOutRequests);
681 IW_STATS_ENTRY(ipOutDiscards);
682 IW_STATS_ENTRY(ipOutNoRoutes);
683 IW_STATS_ENTRY(ipReasmTimeout);
684 IW_STATS_ENTRY(ipReasmReqds);
685 IW_STATS_ENTRY(ipReasmOKs);
686 IW_STATS_ENTRY(ipReasmFails);
687 IW_STATS_ENTRY(ipFragOKs);
688 IW_STATS_ENTRY(ipFragFails);
689 IW_STATS_ENTRY(ipFragCreates);
690 IW_STATS_ENTRY(ipInMcastPkts);
691 IW_STATS_ENTRY(ipOutMcastPkts);
692 IW_STATS_ENTRY(ipInBcastPkts);
693 IW_STATS_ENTRY(ipOutBcastPkts);
694 IW_STATS_ENTRY(tcpRtoAlgorithm);
695 IW_STATS_ENTRY(tcpRtoMin);
696 IW_STATS_ENTRY(tcpRtoMax);
697 IW_STATS_ENTRY(tcpMaxConn);
698 IW_STATS_ENTRY(tcpActiveOpens);
699 IW_STATS_ENTRY(tcpPassiveOpens);
700 IW_STATS_ENTRY(tcpAttemptFails);
701 IW_STATS_ENTRY(tcpEstabResets);
702 IW_STATS_ENTRY(tcpCurrEstab);
703 IW_STATS_ENTRY(tcpInSegs);
704 IW_STATS_ENTRY(tcpOutSegs);
705 IW_STATS_ENTRY(tcpRetransSegs);
706 IW_STATS_ENTRY(tcpInErrs);
707 IW_STATS_ENTRY(tcpOutRsts);
708
709 static struct attribute *iw_proto_stats_attrs[] = {
710 &dev_attr_ipInReceives.attr,
711 &dev_attr_ipInHdrErrors.attr,
712 &dev_attr_ipInTooBigErrors.attr,
713 &dev_attr_ipInNoRoutes.attr,
714 &dev_attr_ipInAddrErrors.attr,
715 &dev_attr_ipInUnknownProtos.attr,
716 &dev_attr_ipInTruncatedPkts.attr,
717 &dev_attr_ipInDiscards.attr,
718 &dev_attr_ipInDelivers.attr,
719 &dev_attr_ipOutForwDatagrams.attr,
720 &dev_attr_ipOutRequests.attr,
721 &dev_attr_ipOutDiscards.attr,
722 &dev_attr_ipOutNoRoutes.attr,
723 &dev_attr_ipReasmTimeout.attr,
724 &dev_attr_ipReasmReqds.attr,
725 &dev_attr_ipReasmOKs.attr,
726 &dev_attr_ipReasmFails.attr,
727 &dev_attr_ipFragOKs.attr,
728 &dev_attr_ipFragFails.attr,
729 &dev_attr_ipFragCreates.attr,
730 &dev_attr_ipInMcastPkts.attr,
731 &dev_attr_ipOutMcastPkts.attr,
732 &dev_attr_ipInBcastPkts.attr,
733 &dev_attr_ipOutBcastPkts.attr,
734 &dev_attr_tcpRtoAlgorithm.attr,
735 &dev_attr_tcpRtoMin.attr,
736 &dev_attr_tcpRtoMax.attr,
737 &dev_attr_tcpMaxConn.attr,
738 &dev_attr_tcpActiveOpens.attr,
739 &dev_attr_tcpPassiveOpens.attr,
740 &dev_attr_tcpAttemptFails.attr,
741 &dev_attr_tcpEstabResets.attr,
742 &dev_attr_tcpCurrEstab.attr,
743 &dev_attr_tcpInSegs.attr,
744 &dev_attr_tcpOutSegs.attr,
745 &dev_attr_tcpRetransSegs.attr,
746 &dev_attr_tcpInErrs.attr,
747 &dev_attr_tcpOutRsts.attr,
748 NULL
749 };
750
751 static struct attribute_group iw_stats_group = {
752 .name = "proto_stats",
753 .attrs = iw_proto_stats_attrs,
754 };
755
756 int ib_device_register_sysfs(struct ib_device *device)
757 {
758 struct device *class_dev = &device->dev;
759 int ret;
760 int i;
761
762 class_dev->class = &ib_class;
763 class_dev->parent = device->dma_device;
764 dev_set_name(class_dev, device->name);
765 dev_set_drvdata(class_dev, device);
766
767 INIT_LIST_HEAD(&device->port_list);
768
769 ret = device_register(class_dev);
770 if (ret)
771 goto err;
772
773 for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) {
774 ret = device_create_file(class_dev, ib_class_attributes[i]);
775 if (ret)
776 goto err_unregister;
777 }
778
779 device->ports_parent = kobject_create_and_add("ports",
780 kobject_get(&class_dev->kobj));
781 if (!device->ports_parent) {
782 ret = -ENOMEM;
783 goto err_put;
784 }
785
786 if (device->node_type == RDMA_NODE_IB_SWITCH) {
787 ret = add_port(device, 0);
788 if (ret)
789 goto err_put;
790 } else {
791 for (i = 1; i <= device->phys_port_cnt; ++i) {
792 ret = add_port(device, i);
793 if (ret)
794 goto err_put;
795 }
796 }
797
798 if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) {
799 ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group);
800 if (ret)
801 goto err_put;
802 }
803
804 return 0;
805
806 err_put:
807 {
808 struct kobject *p, *t;
809 struct ib_port *port;
810
811 list_for_each_entry_safe(p, t, &device->port_list, entry) {
812 list_del(&p->entry);
813 port = container_of(p, struct ib_port, kobj);
814 sysfs_remove_group(p, &pma_group);
815 sysfs_remove_group(p, &port->pkey_group);
816 sysfs_remove_group(p, &port->gid_group);
817 kobject_put(p);
818 }
819 }
820
821 kobject_put(&class_dev->kobj);
822
823 err_unregister:
824 device_unregister(class_dev);
825
826 err:
827 return ret;
828 }
829
830 void ib_device_unregister_sysfs(struct ib_device *device)
831 {
832 struct kobject *p, *t;
833 struct ib_port *port;
834
835 /* Hold kobject until ib_dealloc_device() */
836 kobject_get(&device->dev.kobj);
837
838 list_for_each_entry_safe(p, t, &device->port_list, entry) {
839 list_del(&p->entry);
840 port = container_of(p, struct ib_port, kobj);
841 sysfs_remove_group(p, &pma_group);
842 sysfs_remove_group(p, &port->pkey_group);
843 sysfs_remove_group(p, &port->gid_group);
844 kobject_put(p);
845 }
846
847 kobject_put(device->ports_parent);
848 device_unregister(&device->dev);
849 }
850
851 int ib_sysfs_setup(void)
852 {
853 return class_register(&ib_class);
854 }
855
856 void ib_sysfs_cleanup(void)
857 {
858 class_unregister(&ib_class);
859 }
Linux with added FPC-III support