Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
2a1d9b7f RD |
3 | * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. |
4 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. | |
1da177e4 LT |
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. | |
1da177e4 LT |
33 | */ |
34 | ||
35 | #include "core_priv.h" | |
36 | ||
8c65b4a6 | 37 | #include <linux/slab.h> |
fc87af74 | 38 | #include <linux/stat.h> |
8c65b4a6 | 39 | #include <linux/string.h> |
470be516 | 40 | #include <linux/netdevice.h> |
8c65b4a6 | 41 | |
a4d61e84 | 42 | #include <rdma/ib_mad.h> |
b2788ce5 | 43 | #include <rdma/ib_pma.h> |
1da177e4 | 44 | |
470be516 MB |
45 | struct ib_port; |
46 | ||
47 | struct gid_attr_group { | |
48 | struct ib_port *port; | |
49 | struct kobject kobj; | |
50 | struct attribute_group ndev; | |
51 | struct attribute_group type; | |
52 | }; | |
1da177e4 LT |
53 | struct ib_port { |
54 | struct kobject kobj; | |
55 | struct ib_device *ibdev; | |
470be516 | 56 | struct gid_attr_group *gid_attr_group; |
1da177e4 | 57 | struct attribute_group gid_group; |
1da177e4 | 58 | struct attribute_group pkey_group; |
1da177e4 | 59 | u8 port_num; |
145d9c54 | 60 | struct attribute_group *pma_table; |
1da177e4 LT |
61 | }; |
62 | ||
63 | struct port_attribute { | |
64 | struct attribute attr; | |
65 | ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); | |
66 | ssize_t (*store)(struct ib_port *, struct port_attribute *, | |
67 | const char *buf, size_t count); | |
68 | }; | |
69 | ||
70 | #define PORT_ATTR(_name, _mode, _show, _store) \ | |
71 | struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) | |
72 | ||
73 | #define PORT_ATTR_RO(_name) \ | |
74 | struct port_attribute port_attr_##_name = __ATTR_RO(_name) | |
75 | ||
76 | struct port_table_attribute { | |
d48593bf DT |
77 | struct port_attribute attr; |
78 | char name[8]; | |
79 | int index; | |
65487fdc | 80 | __be16 attr_id; |
1da177e4 LT |
81 | }; |
82 | ||
83 | static ssize_t port_attr_show(struct kobject *kobj, | |
84 | struct attribute *attr, char *buf) | |
85 | { | |
86 | struct port_attribute *port_attr = | |
87 | container_of(attr, struct port_attribute, attr); | |
88 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
89 | ||
90 | if (!port_attr->show) | |
70f2817a | 91 | return -EIO; |
1da177e4 LT |
92 | |
93 | return port_attr->show(p, port_attr, buf); | |
94 | } | |
95 | ||
52cf25d0 | 96 | static const struct sysfs_ops port_sysfs_ops = { |
1da177e4 LT |
97 | .show = port_attr_show |
98 | }; | |
99 | ||
470be516 MB |
100 | static ssize_t gid_attr_show(struct kobject *kobj, |
101 | struct attribute *attr, char *buf) | |
102 | { | |
103 | struct port_attribute *port_attr = | |
104 | container_of(attr, struct port_attribute, attr); | |
105 | struct ib_port *p = container_of(kobj, struct gid_attr_group, | |
106 | kobj)->port; | |
107 | ||
108 | if (!port_attr->show) | |
109 | return -EIO; | |
110 | ||
111 | return port_attr->show(p, port_attr, buf); | |
112 | } | |
113 | ||
114 | static const struct sysfs_ops gid_attr_sysfs_ops = { | |
115 | .show = gid_attr_show | |
116 | }; | |
117 | ||
1da177e4 LT |
118 | static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, |
119 | char *buf) | |
120 | { | |
121 | struct ib_port_attr attr; | |
122 | ssize_t ret; | |
123 | ||
124 | static const char *state_name[] = { | |
125 | [IB_PORT_NOP] = "NOP", | |
126 | [IB_PORT_DOWN] = "DOWN", | |
127 | [IB_PORT_INIT] = "INIT", | |
128 | [IB_PORT_ARMED] = "ARMED", | |
129 | [IB_PORT_ACTIVE] = "ACTIVE", | |
130 | [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" | |
131 | }; | |
132 | ||
133 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
134 | if (ret) | |
135 | return ret; | |
136 | ||
137 | return sprintf(buf, "%d: %s\n", attr.state, | |
048975ac | 138 | attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? |
1da177e4 LT |
139 | state_name[attr.state] : "UNKNOWN"); |
140 | } | |
141 | ||
142 | static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, | |
143 | char *buf) | |
144 | { | |
145 | struct ib_port_attr attr; | |
146 | ssize_t ret; | |
147 | ||
148 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
149 | if (ret) | |
150 | return ret; | |
151 | ||
152 | return sprintf(buf, "0x%x\n", attr.lid); | |
153 | } | |
154 | ||
155 | static ssize_t lid_mask_count_show(struct ib_port *p, | |
156 | struct port_attribute *unused, | |
157 | char *buf) | |
158 | { | |
159 | struct ib_port_attr attr; | |
160 | ssize_t ret; | |
161 | ||
162 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
163 | if (ret) | |
164 | return ret; | |
165 | ||
166 | return sprintf(buf, "%d\n", attr.lmc); | |
167 | } | |
168 | ||
169 | static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, | |
170 | char *buf) | |
171 | { | |
172 | struct ib_port_attr attr; | |
173 | ssize_t ret; | |
174 | ||
175 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
176 | if (ret) | |
177 | return ret; | |
178 | ||
179 | return sprintf(buf, "0x%x\n", attr.sm_lid); | |
180 | } | |
181 | ||
182 | static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, | |
183 | char *buf) | |
184 | { | |
185 | struct ib_port_attr attr; | |
186 | ssize_t ret; | |
187 | ||
188 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
189 | if (ret) | |
190 | return ret; | |
191 | ||
192 | return sprintf(buf, "%d\n", attr.sm_sl); | |
193 | } | |
194 | ||
195 | static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, | |
196 | char *buf) | |
197 | { | |
198 | struct ib_port_attr attr; | |
199 | ssize_t ret; | |
200 | ||
201 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
202 | if (ret) | |
203 | return ret; | |
204 | ||
205 | return sprintf(buf, "0x%08x\n", attr.port_cap_flags); | |
206 | } | |
207 | ||
208 | static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, | |
209 | char *buf) | |
210 | { | |
211 | struct ib_port_attr attr; | |
212 | char *speed = ""; | |
0559d8dc | 213 | int rate; /* in deci-Gb/sec */ |
1da177e4 LT |
214 | ssize_t ret; |
215 | ||
216 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
217 | if (ret) | |
218 | return ret; | |
219 | ||
220 | switch (attr.active_speed) { | |
2e96691c | 221 | case IB_SPEED_DDR: |
71eeba16 | 222 | speed = " DDR"; |
e9319b0c | 223 | rate = 50; |
71eeba16 | 224 | break; |
2e96691c | 225 | case IB_SPEED_QDR: |
71eeba16 | 226 | speed = " QDR"; |
e9319b0c | 227 | rate = 100; |
71eeba16 | 228 | break; |
2e96691c | 229 | case IB_SPEED_FDR10: |
71eeba16 | 230 | speed = " FDR10"; |
e9319b0c | 231 | rate = 100; |
71eeba16 | 232 | break; |
2e96691c | 233 | case IB_SPEED_FDR: |
71eeba16 | 234 | speed = " FDR"; |
e9319b0c | 235 | rate = 140; |
71eeba16 | 236 | break; |
2e96691c | 237 | case IB_SPEED_EDR: |
71eeba16 | 238 | speed = " EDR"; |
e9319b0c | 239 | rate = 250; |
71eeba16 | 240 | break; |
0559d8dc RD |
241 | case IB_SPEED_SDR: |
242 | default: /* default to SDR for invalid rates */ | |
243 | rate = 25; | |
244 | break; | |
1da177e4 LT |
245 | } |
246 | ||
71eeba16 | 247 | rate *= ib_width_enum_to_int(attr.active_width); |
1da177e4 LT |
248 | if (rate < 0) |
249 | return -EINVAL; | |
250 | ||
251 | return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", | |
e9319b0c | 252 | rate / 10, rate % 10 ? ".5" : "", |
1da177e4 LT |
253 | ib_width_enum_to_int(attr.active_width), speed); |
254 | } | |
255 | ||
256 | static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, | |
257 | char *buf) | |
258 | { | |
259 | struct ib_port_attr attr; | |
260 | ||
261 | ssize_t ret; | |
262 | ||
263 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
264 | if (ret) | |
265 | return ret; | |
266 | ||
267 | switch (attr.phys_state) { | |
268 | case 1: return sprintf(buf, "1: Sleep\n"); | |
269 | case 2: return sprintf(buf, "2: Polling\n"); | |
270 | case 3: return sprintf(buf, "3: Disabled\n"); | |
271 | case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); | |
272 | case 5: return sprintf(buf, "5: LinkUp\n"); | |
273 | case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); | |
274 | case 7: return sprintf(buf, "7: Phy Test\n"); | |
275 | default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); | |
276 | } | |
277 | } | |
278 | ||
8ad330a0 EC |
279 | static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, |
280 | char *buf) | |
281 | { | |
282 | switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { | |
283 | case IB_LINK_LAYER_INFINIBAND: | |
284 | return sprintf(buf, "%s\n", "InfiniBand"); | |
285 | case IB_LINK_LAYER_ETHERNET: | |
286 | return sprintf(buf, "%s\n", "Ethernet"); | |
287 | default: | |
288 | return sprintf(buf, "%s\n", "Unknown"); | |
289 | } | |
290 | } | |
291 | ||
1da177e4 LT |
292 | static PORT_ATTR_RO(state); |
293 | static PORT_ATTR_RO(lid); | |
294 | static PORT_ATTR_RO(lid_mask_count); | |
295 | static PORT_ATTR_RO(sm_lid); | |
296 | static PORT_ATTR_RO(sm_sl); | |
297 | static PORT_ATTR_RO(cap_mask); | |
298 | static PORT_ATTR_RO(rate); | |
299 | static PORT_ATTR_RO(phys_state); | |
8ad330a0 | 300 | static PORT_ATTR_RO(link_layer); |
1da177e4 LT |
301 | |
302 | static struct attribute *port_default_attrs[] = { | |
303 | &port_attr_state.attr, | |
304 | &port_attr_lid.attr, | |
305 | &port_attr_lid_mask_count.attr, | |
306 | &port_attr_sm_lid.attr, | |
307 | &port_attr_sm_sl.attr, | |
308 | &port_attr_cap_mask.attr, | |
309 | &port_attr_rate.attr, | |
310 | &port_attr_phys_state.attr, | |
8ad330a0 | 311 | &port_attr_link_layer.attr, |
1da177e4 LT |
312 | NULL |
313 | }; | |
314 | ||
470be516 MB |
315 | static size_t print_ndev(struct ib_gid_attr *gid_attr, char *buf) |
316 | { | |
317 | if (!gid_attr->ndev) | |
318 | return -EINVAL; | |
319 | ||
320 | return sprintf(buf, "%s\n", gid_attr->ndev->name); | |
321 | } | |
322 | ||
323 | static size_t print_gid_type(struct ib_gid_attr *gid_attr, char *buf) | |
324 | { | |
325 | return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); | |
326 | } | |
327 | ||
328 | static ssize_t _show_port_gid_attr(struct ib_port *p, | |
329 | struct port_attribute *attr, | |
330 | char *buf, | |
331 | size_t (*print)(struct ib_gid_attr *gid_attr, | |
332 | char *buf)) | |
333 | { | |
334 | struct port_table_attribute *tab_attr = | |
335 | container_of(attr, struct port_table_attribute, attr); | |
336 | union ib_gid gid; | |
337 | struct ib_gid_attr gid_attr = {}; | |
338 | ssize_t ret; | |
470be516 MB |
339 | |
340 | ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, | |
341 | &gid_attr); | |
342 | if (ret) | |
343 | goto err; | |
344 | ||
345 | ret = print(&gid_attr, buf); | |
346 | ||
347 | err: | |
348 | if (gid_attr.ndev) | |
349 | dev_put(gid_attr.ndev); | |
470be516 MB |
350 | return ret; |
351 | } | |
352 | ||
1da177e4 LT |
353 | static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, |
354 | char *buf) | |
355 | { | |
356 | struct port_table_attribute *tab_attr = | |
357 | container_of(attr, struct port_table_attribute, attr); | |
358 | union ib_gid gid; | |
359 | ssize_t ret; | |
360 | ||
55ee3ab2 | 361 | ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, NULL); |
1da177e4 LT |
362 | if (ret) |
363 | return ret; | |
364 | ||
5b095d98 | 365 | return sprintf(buf, "%pI6\n", gid.raw); |
1da177e4 LT |
366 | } |
367 | ||
470be516 MB |
368 | static ssize_t show_port_gid_attr_ndev(struct ib_port *p, |
369 | struct port_attribute *attr, char *buf) | |
370 | { | |
371 | return _show_port_gid_attr(p, attr, buf, print_ndev); | |
372 | } | |
373 | ||
374 | static ssize_t show_port_gid_attr_gid_type(struct ib_port *p, | |
375 | struct port_attribute *attr, | |
376 | char *buf) | |
377 | { | |
378 | return _show_port_gid_attr(p, attr, buf, print_gid_type); | |
379 | } | |
380 | ||
1da177e4 LT |
381 | static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, |
382 | char *buf) | |
383 | { | |
384 | struct port_table_attribute *tab_attr = | |
385 | container_of(attr, struct port_table_attribute, attr); | |
386 | u16 pkey; | |
387 | ssize_t ret; | |
388 | ||
389 | ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); | |
390 | if (ret) | |
391 | return ret; | |
392 | ||
393 | return sprintf(buf, "0x%04x\n", pkey); | |
394 | } | |
395 | ||
396 | #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ | |
397 | struct port_table_attribute port_pma_attr_##_name = { \ | |
398 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
b2788ce5 CL |
399 | .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \ |
400 | .attr_id = IB_PMA_PORT_COUNTERS , \ | |
1da177e4 LT |
401 | } |
402 | ||
145d9c54 CL |
403 | #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ |
404 | struct port_table_attribute port_pma_attr_ext_##_name = { \ | |
405 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
406 | .index = (_offset) | ((_width) << 16), \ | |
407 | .attr_id = IB_PMA_PORT_COUNTERS_EXT , \ | |
408 | } | |
409 | ||
35c4cbb1 CL |
410 | /* |
411 | * Get a Perfmgmt MAD block of data. | |
412 | * Returns error code or the number of bytes retrieved. | |
413 | */ | |
65487fdc | 414 | static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, |
35c4cbb1 | 415 | void *data, int offset, size_t size) |
1da177e4 | 416 | { |
35c4cbb1 CL |
417 | struct ib_mad *in_mad; |
418 | struct ib_mad *out_mad; | |
4cd7c947 IW |
419 | size_t mad_size = sizeof(*out_mad); |
420 | u16 out_mad_pkey_index = 0; | |
1da177e4 LT |
421 | ssize_t ret; |
422 | ||
35c4cbb1 CL |
423 | if (!dev->process_mad) |
424 | return -ENOSYS; | |
1da177e4 | 425 | |
de6eb66b | 426 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
856c52a7 | 427 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
1da177e4 LT |
428 | if (!in_mad || !out_mad) { |
429 | ret = -ENOMEM; | |
430 | goto out; | |
431 | } | |
432 | ||
1da177e4 LT |
433 | in_mad->mad_hdr.base_version = 1; |
434 | in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; | |
435 | in_mad->mad_hdr.class_version = 1; | |
436 | in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; | |
35c4cbb1 | 437 | in_mad->mad_hdr.attr_id = attr; |
1da177e4 | 438 | |
6e2a51a0 HR |
439 | if (attr != IB_PMA_CLASS_PORT_INFO) |
440 | in_mad->data[41] = port_num; /* PortSelect field */ | |
1da177e4 | 441 | |
35c4cbb1 CL |
442 | if ((dev->process_mad(dev, IB_MAD_IGNORE_MKEY, |
443 | port_num, NULL, NULL, | |
4cd7c947 IW |
444 | (const struct ib_mad_hdr *)in_mad, mad_size, |
445 | (struct ib_mad_hdr *)out_mad, &mad_size, | |
446 | &out_mad_pkey_index) & | |
1da177e4 LT |
447 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != |
448 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { | |
449 | ret = -EINVAL; | |
450 | goto out; | |
451 | } | |
35c4cbb1 CL |
452 | memcpy(data, out_mad->data + offset, size); |
453 | ret = size; | |
454 | out: | |
455 | kfree(in_mad); | |
456 | kfree(out_mad); | |
457 | return ret; | |
458 | } | |
459 | ||
460 | static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, | |
461 | char *buf) | |
462 | { | |
463 | struct port_table_attribute *tab_attr = | |
464 | container_of(attr, struct port_table_attribute, attr); | |
465 | int offset = tab_attr->index & 0xffff; | |
466 | int width = (tab_attr->index >> 16) & 0xff; | |
467 | ssize_t ret; | |
468 | u8 data[8]; | |
469 | ||
b2788ce5 | 470 | ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, |
35c4cbb1 CL |
471 | 40 + offset / 8, sizeof(data)); |
472 | if (ret < 0) | |
473 | return sprintf(buf, "N/A (no PMA)\n"); | |
1da177e4 LT |
474 | |
475 | switch (width) { | |
476 | case 4: | |
35c4cbb1 | 477 | ret = sprintf(buf, "%u\n", (*data >> |
d8b9f23b | 478 | (4 - (offset % 8))) & 0xf); |
1da177e4 LT |
479 | break; |
480 | case 8: | |
35c4cbb1 | 481 | ret = sprintf(buf, "%u\n", *data); |
1da177e4 LT |
482 | break; |
483 | case 16: | |
484 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 485 | be16_to_cpup((__be16 *)data)); |
1da177e4 LT |
486 | break; |
487 | case 32: | |
488 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 489 | be32_to_cpup((__be32 *)data)); |
1da177e4 | 490 | break; |
145d9c54 CL |
491 | case 64: |
492 | ret = sprintf(buf, "%llu\n", | |
493 | be64_to_cpup((__be64 *)data)); | |
494 | break; | |
495 | ||
1da177e4 LT |
496 | default: |
497 | ret = 0; | |
498 | } | |
499 | ||
1da177e4 LT |
500 | return ret; |
501 | } | |
502 | ||
503 | static PORT_PMA_ATTR(symbol_error , 0, 16, 32); | |
504 | static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); | |
505 | static PORT_PMA_ATTR(link_downed , 2, 8, 56); | |
506 | static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); | |
507 | static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); | |
508 | static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); | |
509 | static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); | |
510 | static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); | |
511 | static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); | |
512 | static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); | |
513 | static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); | |
514 | static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); | |
515 | static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); | |
516 | static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); | |
517 | static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); | |
518 | static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); | |
519 | ||
145d9c54 CL |
520 | /* |
521 | * Counters added by extended set | |
522 | */ | |
523 | static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); | |
524 | static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); | |
525 | static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); | |
526 | static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); | |
527 | static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); | |
528 | static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); | |
529 | static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); | |
530 | static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); | |
531 | ||
1da177e4 LT |
532 | static struct attribute *pma_attrs[] = { |
533 | &port_pma_attr_symbol_error.attr.attr, | |
534 | &port_pma_attr_link_error_recovery.attr.attr, | |
535 | &port_pma_attr_link_downed.attr.attr, | |
536 | &port_pma_attr_port_rcv_errors.attr.attr, | |
537 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
538 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
539 | &port_pma_attr_port_xmit_discards.attr.attr, | |
540 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
541 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
542 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
543 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
544 | &port_pma_attr_VL15_dropped.attr.attr, | |
545 | &port_pma_attr_port_xmit_data.attr.attr, | |
546 | &port_pma_attr_port_rcv_data.attr.attr, | |
547 | &port_pma_attr_port_xmit_packets.attr.attr, | |
548 | &port_pma_attr_port_rcv_packets.attr.attr, | |
549 | NULL | |
550 | }; | |
551 | ||
145d9c54 CL |
552 | static struct attribute *pma_attrs_ext[] = { |
553 | &port_pma_attr_symbol_error.attr.attr, | |
554 | &port_pma_attr_link_error_recovery.attr.attr, | |
555 | &port_pma_attr_link_downed.attr.attr, | |
556 | &port_pma_attr_port_rcv_errors.attr.attr, | |
557 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
558 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
559 | &port_pma_attr_port_xmit_discards.attr.attr, | |
560 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
561 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
562 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
563 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
564 | &port_pma_attr_VL15_dropped.attr.attr, | |
565 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
566 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
567 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
568 | &port_pma_attr_ext_port_rcv_packets.attr.attr, | |
569 | &port_pma_attr_ext_unicast_rcv_packets.attr.attr, | |
570 | &port_pma_attr_ext_unicast_xmit_packets.attr.attr, | |
571 | &port_pma_attr_ext_multicast_rcv_packets.attr.attr, | |
572 | &port_pma_attr_ext_multicast_xmit_packets.attr.attr, | |
573 | NULL | |
574 | }; | |
575 | ||
576 | static struct attribute *pma_attrs_noietf[] = { | |
577 | &port_pma_attr_symbol_error.attr.attr, | |
578 | &port_pma_attr_link_error_recovery.attr.attr, | |
579 | &port_pma_attr_link_downed.attr.attr, | |
580 | &port_pma_attr_port_rcv_errors.attr.attr, | |
581 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
582 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
583 | &port_pma_attr_port_xmit_discards.attr.attr, | |
584 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
585 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
586 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
587 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
588 | &port_pma_attr_VL15_dropped.attr.attr, | |
589 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
590 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
591 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
592 | &port_pma_attr_ext_port_rcv_packets.attr.attr, | |
593 | NULL | |
594 | }; | |
595 | ||
1da177e4 LT |
596 | static struct attribute_group pma_group = { |
597 | .name = "counters", | |
598 | .attrs = pma_attrs | |
599 | }; | |
600 | ||
145d9c54 CL |
601 | static struct attribute_group pma_group_ext = { |
602 | .name = "counters", | |
603 | .attrs = pma_attrs_ext | |
604 | }; | |
605 | ||
606 | static struct attribute_group pma_group_noietf = { | |
607 | .name = "counters", | |
608 | .attrs = pma_attrs_noietf | |
609 | }; | |
610 | ||
1da177e4 LT |
611 | static void ib_port_release(struct kobject *kobj) |
612 | { | |
613 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
614 | struct attribute *a; | |
615 | int i; | |
616 | ||
cad6d02a HE |
617 | if (p->gid_group.attrs) { |
618 | for (i = 0; (a = p->gid_group.attrs[i]); ++i) | |
619 | kfree(a); | |
1da177e4 | 620 | |
cad6d02a HE |
621 | kfree(p->gid_group.attrs); |
622 | } | |
d48593bf | 623 | |
cad6d02a HE |
624 | if (p->pkey_group.attrs) { |
625 | for (i = 0; (a = p->pkey_group.attrs[i]); ++i) | |
626 | kfree(a); | |
1da177e4 | 627 | |
cad6d02a HE |
628 | kfree(p->pkey_group.attrs); |
629 | } | |
d48593bf | 630 | |
1da177e4 LT |
631 | kfree(p); |
632 | } | |
633 | ||
470be516 MB |
634 | static void ib_port_gid_attr_release(struct kobject *kobj) |
635 | { | |
636 | struct gid_attr_group *g = container_of(kobj, struct gid_attr_group, | |
637 | kobj); | |
638 | struct attribute *a; | |
639 | int i; | |
640 | ||
641 | if (g->ndev.attrs) { | |
642 | for (i = 0; (a = g->ndev.attrs[i]); ++i) | |
643 | kfree(a); | |
644 | ||
645 | kfree(g->ndev.attrs); | |
646 | } | |
647 | ||
648 | if (g->type.attrs) { | |
649 | for (i = 0; (a = g->type.attrs[i]); ++i) | |
650 | kfree(a); | |
651 | ||
652 | kfree(g->type.attrs); | |
653 | } | |
654 | ||
655 | kfree(g); | |
656 | } | |
657 | ||
1da177e4 LT |
658 | static struct kobj_type port_type = { |
659 | .release = ib_port_release, | |
660 | .sysfs_ops = &port_sysfs_ops, | |
661 | .default_attrs = port_default_attrs | |
662 | }; | |
663 | ||
470be516 MB |
664 | static struct kobj_type gid_attr_type = { |
665 | .sysfs_ops = &gid_attr_sysfs_ops, | |
666 | .release = ib_port_gid_attr_release | |
667 | }; | |
668 | ||
d48593bf DT |
669 | static struct attribute ** |
670 | alloc_group_attrs(ssize_t (*show)(struct ib_port *, | |
671 | struct port_attribute *, char *buf), | |
672 | int len) | |
1da177e4 | 673 | { |
d48593bf DT |
674 | struct attribute **tab_attr; |
675 | struct port_table_attribute *element; | |
1da177e4 | 676 | int i; |
1da177e4 | 677 | |
d48593bf DT |
678 | tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); |
679 | if (!tab_attr) | |
680 | return NULL; | |
1da177e4 | 681 | |
d48593bf | 682 | for (i = 0; i < len; i++) { |
82ca76b6 | 683 | element = kzalloc(sizeof(struct port_table_attribute), |
d48593bf DT |
684 | GFP_KERNEL); |
685 | if (!element) | |
1da177e4 | 686 | goto err; |
1da177e4 | 687 | |
d48593bf | 688 | if (snprintf(element->name, sizeof(element->name), |
048975ac RD |
689 | "%d", i) >= sizeof(element->name)) { |
690 | kfree(element); | |
1da177e4 | 691 | goto err; |
048975ac | 692 | } |
1da177e4 | 693 | |
d48593bf DT |
694 | element->attr.attr.name = element->name; |
695 | element->attr.attr.mode = S_IRUGO; | |
d48593bf DT |
696 | element->attr.show = show; |
697 | element->index = i; | |
21e3bde9 | 698 | sysfs_attr_init(&element->attr.attr); |
1da177e4 | 699 | |
d48593bf | 700 | tab_attr[i] = &element->attr.attr; |
1da177e4 LT |
701 | } |
702 | ||
d48593bf | 703 | return tab_attr; |
1da177e4 | 704 | |
d48593bf DT |
705 | err: |
706 | while (--i >= 0) | |
707 | kfree(tab_attr[i]); | |
708 | kfree(tab_attr); | |
709 | return NULL; | |
1da177e4 LT |
710 | } |
711 | ||
145d9c54 CL |
712 | /* |
713 | * Figure out which counter table to use depending on | |
714 | * the device capabilities. | |
715 | */ | |
6e2a51a0 HR |
716 | static struct attribute_group *get_counter_table(struct ib_device *dev, |
717 | int port_num) | |
145d9c54 CL |
718 | { |
719 | struct ib_class_port_info cpi; | |
720 | ||
6e2a51a0 | 721 | if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, |
145d9c54 | 722 | &cpi, 40, sizeof(cpi)) >= 0) { |
ee50aeac | 723 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) |
145d9c54 CL |
724 | /* We have extended counters */ |
725 | return &pma_group_ext; | |
726 | ||
ee50aeac | 727 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) |
145d9c54 CL |
728 | /* But not the IETF ones */ |
729 | return &pma_group_noietf; | |
730 | } | |
731 | ||
732 | /* Fall back to normal counters */ | |
733 | return &pma_group; | |
734 | } | |
735 | ||
9a6edb60 RC |
736 | static int add_port(struct ib_device *device, int port_num, |
737 | int (*port_callback)(struct ib_device *, | |
738 | u8, struct kobject *)) | |
1da177e4 LT |
739 | { |
740 | struct ib_port *p; | |
741 | struct ib_port_attr attr; | |
742 | int i; | |
743 | int ret; | |
744 | ||
745 | ret = ib_query_port(device, port_num, &attr); | |
746 | if (ret) | |
747 | return ret; | |
748 | ||
de6eb66b | 749 | p = kzalloc(sizeof *p, GFP_KERNEL); |
1da177e4 LT |
750 | if (!p) |
751 | return -ENOMEM; | |
1da177e4 LT |
752 | |
753 | p->ibdev = device; | |
754 | p->port_num = port_num; | |
1da177e4 | 755 | |
35be0681 | 756 | ret = kobject_init_and_add(&p->kobj, &port_type, |
373c0ea1 | 757 | device->ports_parent, |
35be0681 | 758 | "%d", port_num); |
cad6d02a HE |
759 | if (ret) { |
760 | kfree(p); | |
761 | return ret; | |
762 | } | |
1da177e4 | 763 | |
470be516 MB |
764 | p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL); |
765 | if (!p->gid_attr_group) { | |
766 | ret = -ENOMEM; | |
767 | goto err_put; | |
768 | } | |
769 | ||
770 | p->gid_attr_group->port = p; | |
771 | ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type, | |
772 | &p->kobj, "gid_attrs"); | |
773 | if (ret) { | |
774 | kfree(p->gid_attr_group); | |
775 | goto err_put; | |
776 | } | |
777 | ||
6e2a51a0 | 778 | p->pma_table = get_counter_table(device, port_num); |
145d9c54 | 779 | ret = sysfs_create_group(&p->kobj, p->pma_table); |
1da177e4 | 780 | if (ret) |
470be516 | 781 | goto err_put_gid_attrs; |
1da177e4 | 782 | |
1da177e4 | 783 | p->gid_group.name = "gids"; |
d48593bf | 784 | p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); |
80b15043 WY |
785 | if (!p->gid_group.attrs) { |
786 | ret = -ENOMEM; | |
d48593bf | 787 | goto err_remove_pma; |
80b15043 | 788 | } |
1da177e4 LT |
789 | |
790 | ret = sysfs_create_group(&p->kobj, &p->gid_group); | |
791 | if (ret) | |
792 | goto err_free_gid; | |
793 | ||
470be516 MB |
794 | p->gid_attr_group->ndev.name = "ndevs"; |
795 | p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev, | |
796 | attr.gid_tbl_len); | |
797 | if (!p->gid_attr_group->ndev.attrs) { | |
798 | ret = -ENOMEM; | |
799 | goto err_remove_gid; | |
800 | } | |
801 | ||
802 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
803 | &p->gid_attr_group->ndev); | |
804 | if (ret) | |
805 | goto err_free_gid_ndev; | |
806 | ||
807 | p->gid_attr_group->type.name = "types"; | |
808 | p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type, | |
809 | attr.gid_tbl_len); | |
810 | if (!p->gid_attr_group->type.attrs) { | |
811 | ret = -ENOMEM; | |
812 | goto err_remove_gid_ndev; | |
813 | } | |
814 | ||
815 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
816 | &p->gid_attr_group->type); | |
817 | if (ret) | |
818 | goto err_free_gid_type; | |
819 | ||
1da177e4 | 820 | p->pkey_group.name = "pkeys"; |
d48593bf DT |
821 | p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, |
822 | attr.pkey_tbl_len); | |
80b15043 WY |
823 | if (!p->pkey_group.attrs) { |
824 | ret = -ENOMEM; | |
470be516 | 825 | goto err_remove_gid_type; |
80b15043 | 826 | } |
1da177e4 LT |
827 | |
828 | ret = sysfs_create_group(&p->kobj, &p->pkey_group); | |
829 | if (ret) | |
830 | goto err_free_pkey; | |
831 | ||
9a6edb60 RC |
832 | if (port_callback) { |
833 | ret = port_callback(device, port_num, &p->kobj); | |
834 | if (ret) | |
835 | goto err_remove_pkey; | |
836 | } | |
837 | ||
1da177e4 LT |
838 | list_add_tail(&p->kobj.entry, &device->port_list); |
839 | ||
35be0681 | 840 | kobject_uevent(&p->kobj, KOBJ_ADD); |
1da177e4 LT |
841 | return 0; |
842 | ||
9a6edb60 RC |
843 | err_remove_pkey: |
844 | sysfs_remove_group(&p->kobj, &p->pkey_group); | |
845 | ||
1da177e4 | 846 | err_free_pkey: |
d48593bf DT |
847 | for (i = 0; i < attr.pkey_tbl_len; ++i) |
848 | kfree(p->pkey_group.attrs[i]); | |
1da177e4 | 849 | |
d48593bf | 850 | kfree(p->pkey_group.attrs); |
cad6d02a | 851 | p->pkey_group.attrs = NULL; |
1da177e4 | 852 | |
470be516 MB |
853 | err_remove_gid_type: |
854 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
855 | &p->gid_attr_group->type); | |
856 | ||
857 | err_free_gid_type: | |
858 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
859 | kfree(p->gid_attr_group->type.attrs[i]); | |
860 | ||
861 | kfree(p->gid_attr_group->type.attrs); | |
862 | p->gid_attr_group->type.attrs = NULL; | |
863 | ||
864 | err_remove_gid_ndev: | |
865 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
866 | &p->gid_attr_group->ndev); | |
867 | ||
868 | err_free_gid_ndev: | |
869 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
870 | kfree(p->gid_attr_group->ndev.attrs[i]); | |
871 | ||
872 | kfree(p->gid_attr_group->ndev.attrs); | |
873 | p->gid_attr_group->ndev.attrs = NULL; | |
874 | ||
1da177e4 LT |
875 | err_remove_gid: |
876 | sysfs_remove_group(&p->kobj, &p->gid_group); | |
877 | ||
878 | err_free_gid: | |
d48593bf DT |
879 | for (i = 0; i < attr.gid_tbl_len; ++i) |
880 | kfree(p->gid_group.attrs[i]); | |
1da177e4 | 881 | |
d48593bf | 882 | kfree(p->gid_group.attrs); |
cad6d02a | 883 | p->gid_group.attrs = NULL; |
1da177e4 LT |
884 | |
885 | err_remove_pma: | |
145d9c54 | 886 | sysfs_remove_group(&p->kobj, p->pma_table); |
1da177e4 | 887 | |
470be516 MB |
888 | err_put_gid_attrs: |
889 | kobject_put(&p->gid_attr_group->kobj); | |
890 | ||
1da177e4 | 891 | err_put: |
cad6d02a | 892 | kobject_put(&p->kobj); |
1da177e4 LT |
893 | return ret; |
894 | } | |
895 | ||
f4e91eb4 TJ |
896 | static ssize_t show_node_type(struct device *device, |
897 | struct device_attribute *attr, char *buf) | |
1da177e4 | 898 | { |
f4e91eb4 | 899 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
900 | |
901 | switch (dev->node_type) { | |
07ebafba TT |
902 | case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); |
903 | case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); | |
180771a3 | 904 | case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type); |
5db5765e | 905 | case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type); |
07ebafba TT |
906 | case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); |
907 | case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); | |
908 | default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); | |
1da177e4 LT |
909 | } |
910 | } | |
911 | ||
f4e91eb4 TJ |
912 | static ssize_t show_sys_image_guid(struct device *device, |
913 | struct device_attribute *dev_attr, char *buf) | |
1da177e4 | 914 | { |
f4e91eb4 | 915 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
916 | |
917 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", | |
86bee4c9 OG |
918 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]), |
919 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]), | |
920 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]), | |
921 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3])); | |
1da177e4 LT |
922 | } |
923 | ||
f4e91eb4 TJ |
924 | static ssize_t show_node_guid(struct device *device, |
925 | struct device_attribute *attr, char *buf) | |
1da177e4 | 926 | { |
f4e91eb4 | 927 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 | 928 | |
1da177e4 | 929 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
cf311cd4 SH |
930 | be16_to_cpu(((__be16 *) &dev->node_guid)[0]), |
931 | be16_to_cpu(((__be16 *) &dev->node_guid)[1]), | |
932 | be16_to_cpu(((__be16 *) &dev->node_guid)[2]), | |
933 | be16_to_cpu(((__be16 *) &dev->node_guid)[3])); | |
1da177e4 LT |
934 | } |
935 | ||
f4e91eb4 TJ |
936 | static ssize_t show_node_desc(struct device *device, |
937 | struct device_attribute *attr, char *buf) | |
c5bcbbb9 | 938 | { |
f4e91eb4 | 939 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
940 | |
941 | return sprintf(buf, "%.64s\n", dev->node_desc); | |
942 | } | |
943 | ||
f4e91eb4 TJ |
944 | static ssize_t set_node_desc(struct device *device, |
945 | struct device_attribute *attr, | |
946 | const char *buf, size_t count) | |
c5bcbbb9 | 947 | { |
f4e91eb4 | 948 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
949 | struct ib_device_modify desc = {}; |
950 | int ret; | |
951 | ||
952 | if (!dev->modify_device) | |
953 | return -EIO; | |
954 | ||
955 | memcpy(desc.node_desc, buf, min_t(int, count, 64)); | |
956 | ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); | |
957 | if (ret) | |
958 | return ret; | |
959 | ||
960 | return count; | |
961 | } | |
962 | ||
f4e91eb4 TJ |
963 | static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL); |
964 | static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL); | |
965 | static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL); | |
966 | static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc); | |
967 | ||
968 | static struct device_attribute *ib_class_attributes[] = { | |
969 | &dev_attr_node_type, | |
970 | &dev_attr_sys_image_guid, | |
971 | &dev_attr_node_guid, | |
972 | &dev_attr_node_desc | |
1da177e4 LT |
973 | }; |
974 | ||
7f624d02 SW |
975 | /* Show a given an attribute in the statistics group */ |
976 | static ssize_t show_protocol_stat(const struct device *device, | |
977 | struct device_attribute *attr, char *buf, | |
978 | unsigned offset) | |
979 | { | |
980 | struct ib_device *dev = container_of(device, struct ib_device, dev); | |
981 | union rdma_protocol_stats stats; | |
982 | ssize_t ret; | |
983 | ||
984 | ret = dev->get_protocol_stats(dev, &stats); | |
985 | if (ret) | |
986 | return ret; | |
987 | ||
988 | return sprintf(buf, "%llu\n", | |
989 | (unsigned long long) ((u64 *) &stats)[offset]); | |
990 | } | |
991 | ||
992 | /* generate a read-only iwarp statistics attribute */ | |
993 | #define IW_STATS_ENTRY(name) \ | |
994 | static ssize_t show_##name(struct device *device, \ | |
995 | struct device_attribute *attr, char *buf) \ | |
996 | { \ | |
997 | return show_protocol_stat(device, attr, buf, \ | |
998 | offsetof(struct iw_protocol_stats, name) / \ | |
999 | sizeof (u64)); \ | |
1000 | } \ | |
1001 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) | |
1002 | ||
1003 | IW_STATS_ENTRY(ipInReceives); | |
1004 | IW_STATS_ENTRY(ipInHdrErrors); | |
1005 | IW_STATS_ENTRY(ipInTooBigErrors); | |
1006 | IW_STATS_ENTRY(ipInNoRoutes); | |
1007 | IW_STATS_ENTRY(ipInAddrErrors); | |
1008 | IW_STATS_ENTRY(ipInUnknownProtos); | |
1009 | IW_STATS_ENTRY(ipInTruncatedPkts); | |
1010 | IW_STATS_ENTRY(ipInDiscards); | |
1011 | IW_STATS_ENTRY(ipInDelivers); | |
1012 | IW_STATS_ENTRY(ipOutForwDatagrams); | |
1013 | IW_STATS_ENTRY(ipOutRequests); | |
1014 | IW_STATS_ENTRY(ipOutDiscards); | |
1015 | IW_STATS_ENTRY(ipOutNoRoutes); | |
1016 | IW_STATS_ENTRY(ipReasmTimeout); | |
1017 | IW_STATS_ENTRY(ipReasmReqds); | |
1018 | IW_STATS_ENTRY(ipReasmOKs); | |
1019 | IW_STATS_ENTRY(ipReasmFails); | |
1020 | IW_STATS_ENTRY(ipFragOKs); | |
1021 | IW_STATS_ENTRY(ipFragFails); | |
1022 | IW_STATS_ENTRY(ipFragCreates); | |
1023 | IW_STATS_ENTRY(ipInMcastPkts); | |
1024 | IW_STATS_ENTRY(ipOutMcastPkts); | |
1025 | IW_STATS_ENTRY(ipInBcastPkts); | |
1026 | IW_STATS_ENTRY(ipOutBcastPkts); | |
1027 | IW_STATS_ENTRY(tcpRtoAlgorithm); | |
1028 | IW_STATS_ENTRY(tcpRtoMin); | |
1029 | IW_STATS_ENTRY(tcpRtoMax); | |
1030 | IW_STATS_ENTRY(tcpMaxConn); | |
1031 | IW_STATS_ENTRY(tcpActiveOpens); | |
1032 | IW_STATS_ENTRY(tcpPassiveOpens); | |
1033 | IW_STATS_ENTRY(tcpAttemptFails); | |
1034 | IW_STATS_ENTRY(tcpEstabResets); | |
1035 | IW_STATS_ENTRY(tcpCurrEstab); | |
1036 | IW_STATS_ENTRY(tcpInSegs); | |
1037 | IW_STATS_ENTRY(tcpOutSegs); | |
1038 | IW_STATS_ENTRY(tcpRetransSegs); | |
1039 | IW_STATS_ENTRY(tcpInErrs); | |
1040 | IW_STATS_ENTRY(tcpOutRsts); | |
1041 | ||
1042 | static struct attribute *iw_proto_stats_attrs[] = { | |
1043 | &dev_attr_ipInReceives.attr, | |
1044 | &dev_attr_ipInHdrErrors.attr, | |
1045 | &dev_attr_ipInTooBigErrors.attr, | |
1046 | &dev_attr_ipInNoRoutes.attr, | |
1047 | &dev_attr_ipInAddrErrors.attr, | |
1048 | &dev_attr_ipInUnknownProtos.attr, | |
1049 | &dev_attr_ipInTruncatedPkts.attr, | |
1050 | &dev_attr_ipInDiscards.attr, | |
1051 | &dev_attr_ipInDelivers.attr, | |
1052 | &dev_attr_ipOutForwDatagrams.attr, | |
1053 | &dev_attr_ipOutRequests.attr, | |
1054 | &dev_attr_ipOutDiscards.attr, | |
1055 | &dev_attr_ipOutNoRoutes.attr, | |
1056 | &dev_attr_ipReasmTimeout.attr, | |
1057 | &dev_attr_ipReasmReqds.attr, | |
1058 | &dev_attr_ipReasmOKs.attr, | |
1059 | &dev_attr_ipReasmFails.attr, | |
1060 | &dev_attr_ipFragOKs.attr, | |
1061 | &dev_attr_ipFragFails.attr, | |
1062 | &dev_attr_ipFragCreates.attr, | |
1063 | &dev_attr_ipInMcastPkts.attr, | |
1064 | &dev_attr_ipOutMcastPkts.attr, | |
1065 | &dev_attr_ipInBcastPkts.attr, | |
1066 | &dev_attr_ipOutBcastPkts.attr, | |
1067 | &dev_attr_tcpRtoAlgorithm.attr, | |
1068 | &dev_attr_tcpRtoMin.attr, | |
1069 | &dev_attr_tcpRtoMax.attr, | |
1070 | &dev_attr_tcpMaxConn.attr, | |
1071 | &dev_attr_tcpActiveOpens.attr, | |
1072 | &dev_attr_tcpPassiveOpens.attr, | |
1073 | &dev_attr_tcpAttemptFails.attr, | |
1074 | &dev_attr_tcpEstabResets.attr, | |
1075 | &dev_attr_tcpCurrEstab.attr, | |
1076 | &dev_attr_tcpInSegs.attr, | |
1077 | &dev_attr_tcpOutSegs.attr, | |
1078 | &dev_attr_tcpRetransSegs.attr, | |
1079 | &dev_attr_tcpInErrs.attr, | |
1080 | &dev_attr_tcpOutRsts.attr, | |
1081 | NULL | |
1082 | }; | |
1083 | ||
1084 | static struct attribute_group iw_stats_group = { | |
1085 | .name = "proto_stats", | |
1086 | .attrs = iw_proto_stats_attrs, | |
1087 | }; | |
1088 | ||
584482ac HE |
1089 | static void free_port_list_attributes(struct ib_device *device) |
1090 | { | |
1091 | struct kobject *p, *t; | |
1092 | ||
1093 | list_for_each_entry_safe(p, t, &device->port_list, entry) { | |
1094 | struct ib_port *port = container_of(p, struct ib_port, kobj); | |
1095 | list_del(&p->entry); | |
145d9c54 | 1096 | sysfs_remove_group(p, port->pma_table); |
584482ac HE |
1097 | sysfs_remove_group(p, &port->pkey_group); |
1098 | sysfs_remove_group(p, &port->gid_group); | |
470be516 MB |
1099 | sysfs_remove_group(&port->gid_attr_group->kobj, |
1100 | &port->gid_attr_group->ndev); | |
1101 | sysfs_remove_group(&port->gid_attr_group->kobj, | |
1102 | &port->gid_attr_group->type); | |
1103 | kobject_put(&port->gid_attr_group->kobj); | |
584482ac HE |
1104 | kobject_put(p); |
1105 | } | |
1106 | ||
1107 | kobject_put(device->ports_parent); | |
1108 | } | |
1109 | ||
9a6edb60 RC |
1110 | int ib_device_register_sysfs(struct ib_device *device, |
1111 | int (*port_callback)(struct ib_device *, | |
1112 | u8, struct kobject *)) | |
1da177e4 | 1113 | { |
f4e91eb4 | 1114 | struct device *class_dev = &device->dev; |
1da177e4 LT |
1115 | int ret; |
1116 | int i; | |
1117 | ||
55aeed06 JG |
1118 | device->dev.parent = device->dma_device; |
1119 | ret = dev_set_name(class_dev, "%s", device->name); | |
1120 | if (ret) | |
1121 | return ret; | |
1da177e4 | 1122 | |
55aeed06 | 1123 | ret = device_add(class_dev); |
1da177e4 LT |
1124 | if (ret) |
1125 | goto err; | |
1126 | ||
1127 | for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { | |
f4e91eb4 | 1128 | ret = device_create_file(class_dev, ib_class_attributes[i]); |
1da177e4 LT |
1129 | if (ret) |
1130 | goto err_unregister; | |
1131 | } | |
1132 | ||
35be0681 | 1133 | device->ports_parent = kobject_create_and_add("ports", |
373c0ea1 | 1134 | &class_dev->kobj); |
c7482b81 LZ |
1135 | if (!device->ports_parent) { |
1136 | ret = -ENOMEM; | |
1da177e4 | 1137 | goto err_put; |
c7482b81 | 1138 | } |
1da177e4 | 1139 | |
4139032b | 1140 | if (rdma_cap_ib_switch(device)) { |
9a6edb60 | 1141 | ret = add_port(device, 0, port_callback); |
1da177e4 LT |
1142 | if (ret) |
1143 | goto err_put; | |
1144 | } else { | |
1da177e4 | 1145 | for (i = 1; i <= device->phys_port_cnt; ++i) { |
9a6edb60 | 1146 | ret = add_port(device, i, port_callback); |
1da177e4 LT |
1147 | if (ret) |
1148 | goto err_put; | |
1149 | } | |
1150 | } | |
1151 | ||
7f624d02 SW |
1152 | if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) { |
1153 | ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group); | |
1154 | if (ret) | |
1155 | goto err_put; | |
1156 | } | |
1157 | ||
1da177e4 LT |
1158 | return 0; |
1159 | ||
1160 | err_put: | |
584482ac | 1161 | free_port_list_attributes(device); |
1da177e4 | 1162 | |
1da177e4 | 1163 | err_unregister: |
f4e91eb4 | 1164 | device_unregister(class_dev); |
1da177e4 LT |
1165 | |
1166 | err: | |
1167 | return ret; | |
1168 | } | |
1169 | ||
1170 | void ib_device_unregister_sysfs(struct ib_device *device) | |
1171 | { | |
9206dff1 | 1172 | /* Hold kobject until ib_dealloc_device() */ |
584482ac HE |
1173 | struct kobject *kobj_dev = kobject_get(&device->dev.kobj); |
1174 | int i; | |
9206dff1 | 1175 | |
584482ac HE |
1176 | if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) |
1177 | sysfs_remove_group(kobj_dev, &iw_stats_group); | |
1178 | ||
1179 | free_port_list_attributes(device); | |
1180 | ||
1181 | for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) | |
1182 | device_remove_file(&device->dev, ib_class_attributes[i]); | |
1da177e4 | 1183 | |
f4e91eb4 | 1184 | device_unregister(&device->dev); |
1da177e4 | 1185 | } |