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1/*
2 * drivers/s390/net/qeth_core_sys.c
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 */
10
11#define KMSG_COMPONENT "qeth"
12#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
13
14#include <linux/list.h>
15#include <linux/rwsem.h>
16#include <asm/ebcdic.h>
17
18#include "qeth_core.h"
19
20static ssize_t qeth_dev_state_show(struct device *dev,
21 struct device_attribute *attr, char *buf)
22{
23 struct qeth_card *card = dev_get_drvdata(dev);
24 if (!card)
25 return -EINVAL;
26
27 switch (card->state) {
28 case CARD_STATE_DOWN:
29 return sprintf(buf, "DOWN\n");
30 case CARD_STATE_HARDSETUP:
31 return sprintf(buf, "HARDSETUP\n");
32 case CARD_STATE_SOFTSETUP:
33 return sprintf(buf, "SOFTSETUP\n");
34 case CARD_STATE_UP:
35 if (card->lan_online)
36 return sprintf(buf, "UP (LAN ONLINE)\n");
37 else
38 return sprintf(buf, "UP (LAN OFFLINE)\n");
39 case CARD_STATE_RECOVER:
40 return sprintf(buf, "RECOVER\n");
41 default:
42 return sprintf(buf, "UNKNOWN\n");
43 }
44}
45
46static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
47
48static ssize_t qeth_dev_chpid_show(struct device *dev,
49 struct device_attribute *attr, char *buf)
50{
51 struct qeth_card *card = dev_get_drvdata(dev);
52 if (!card)
53 return -EINVAL;
54
55 return sprintf(buf, "%02X\n", card->info.chpid);
56}
57
58static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
59
60static ssize_t qeth_dev_if_name_show(struct device *dev,
61 struct device_attribute *attr, char *buf)
62{
63 struct qeth_card *card = dev_get_drvdata(dev);
64 if (!card)
65 return -EINVAL;
66 return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
67}
68
69static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
70
71static ssize_t qeth_dev_card_type_show(struct device *dev,
72 struct device_attribute *attr, char *buf)
73{
74 struct qeth_card *card = dev_get_drvdata(dev);
75 if (!card)
76 return -EINVAL;
77
78 return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
79}
80
81static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
82
83static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
84{
85 if (card->qdio.in_buf_size == 16384)
86 return "16k";
87 else if (card->qdio.in_buf_size == 24576)
88 return "24k";
89 else if (card->qdio.in_buf_size == 32768)
90 return "32k";
91 else if (card->qdio.in_buf_size == 40960)
92 return "40k";
93 else
94 return "64k";
95}
96
97static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
98 struct device_attribute *attr, char *buf)
99{
100 struct qeth_card *card = dev_get_drvdata(dev);
101 if (!card)
102 return -EINVAL;
103
104 return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
105}
106
107static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
108
109static ssize_t qeth_dev_portno_show(struct device *dev,
110 struct device_attribute *attr, char *buf)
111{
112 struct qeth_card *card = dev_get_drvdata(dev);
113 if (!card)
114 return -EINVAL;
115
116 return sprintf(buf, "%i\n", card->info.portno);
117}
118
119static ssize_t qeth_dev_portno_store(struct device *dev,
120 struct device_attribute *attr, const char *buf, size_t count)
121{
122 struct qeth_card *card = dev_get_drvdata(dev);
123 char *tmp;
124 unsigned int portno, limit;
125 int rc = 0;
126
127 if (!card)
128 return -EINVAL;
129
130 mutex_lock(&card->conf_mutex);
131 if ((card->state != CARD_STATE_DOWN) &&
132 (card->state != CARD_STATE_RECOVER)) {
133 rc = -EPERM;
134 goto out;
135 }
136
137 portno = simple_strtoul(buf, &tmp, 16);
138 if (portno > QETH_MAX_PORTNO) {
139 rc = -EINVAL;
140 goto out;
141 }
142 limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
143 if (portno > limit) {
144 rc = -EINVAL;
145 goto out;
146 }
147 card->info.portno = portno;
148out:
149 mutex_unlock(&card->conf_mutex);
150 return rc ? rc : count;
151}
152
153static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
154
155static ssize_t qeth_dev_portname_show(struct device *dev,
156 struct device_attribute *attr, char *buf)
157{
158 struct qeth_card *card = dev_get_drvdata(dev);
159 char portname[9] = {0, };
160
161 if (!card)
162 return -EINVAL;
163
164 if (card->info.portname_required) {
165 memcpy(portname, card->info.portname + 1, 8);
166 EBCASC(portname, 8);
167 return sprintf(buf, "%s\n", portname);
168 } else
169 return sprintf(buf, "no portname required\n");
170}
171
172static ssize_t qeth_dev_portname_store(struct device *dev,
173 struct device_attribute *attr, const char *buf, size_t count)
174{
175 struct qeth_card *card = dev_get_drvdata(dev);
176 char *tmp;
177 int i, rc = 0;
178
179 if (!card)
180 return -EINVAL;
181
182 mutex_lock(&card->conf_mutex);
183 if ((card->state != CARD_STATE_DOWN) &&
184 (card->state != CARD_STATE_RECOVER)) {
185 rc = -EPERM;
186 goto out;
187 }
188
189 tmp = strsep((char **) &buf, "\n");
190 if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
191 rc = -EINVAL;
192 goto out;
193 }
194
195 card->info.portname[0] = strlen(tmp);
196 /* for beauty reasons */
197 for (i = 1; i < 9; i++)
198 card->info.portname[i] = ' ';
199 strcpy(card->info.portname + 1, tmp);
200 ASCEBC(card->info.portname + 1, 8);
201out:
202 mutex_unlock(&card->conf_mutex);
203 return rc ? rc : count;
204}
205
206static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
207 qeth_dev_portname_store);
208
209static ssize_t qeth_dev_prioqing_show(struct device *dev,
210 struct device_attribute *attr, char *buf)
211{
212 struct qeth_card *card = dev_get_drvdata(dev);
213
214 if (!card)
215 return -EINVAL;
216
217 switch (card->qdio.do_prio_queueing) {
218 case QETH_PRIO_Q_ING_PREC:
219 return sprintf(buf, "%s\n", "by precedence");
220 case QETH_PRIO_Q_ING_TOS:
221 return sprintf(buf, "%s\n", "by type of service");
222 default:
223 return sprintf(buf, "always queue %i\n",
224 card->qdio.default_out_queue);
225 }
226}
227
228static ssize_t qeth_dev_prioqing_store(struct device *dev,
229 struct device_attribute *attr, const char *buf, size_t count)
230{
231 struct qeth_card *card = dev_get_drvdata(dev);
232 char *tmp;
233 int rc = 0;
234
235 if (!card)
236 return -EINVAL;
237
238 mutex_lock(&card->conf_mutex);
239 if ((card->state != CARD_STATE_DOWN) &&
240 (card->state != CARD_STATE_RECOVER)) {
241 rc = -EPERM;
242 goto out;
243 }
244
245 /* check if 1920 devices are supported ,
246 * if though we have to permit priority queueing
247 */
248 if (card->qdio.no_out_queues == 1) {
249 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
250 rc = -EPERM;
251 goto out;
252 }
253
254 tmp = strsep((char **) &buf, "\n");
255 if (!strcmp(tmp, "prio_queueing_prec"))
256 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
257 else if (!strcmp(tmp, "prio_queueing_tos"))
258 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
259 else if (!strcmp(tmp, "no_prio_queueing:0")) {
260 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
261 card->qdio.default_out_queue = 0;
262 } else if (!strcmp(tmp, "no_prio_queueing:1")) {
263 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
264 card->qdio.default_out_queue = 1;
265 } else if (!strcmp(tmp, "no_prio_queueing:2")) {
266 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
267 card->qdio.default_out_queue = 2;
268 } else if (!strcmp(tmp, "no_prio_queueing:3")) {
269 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
270 card->qdio.default_out_queue = 3;
271 } else if (!strcmp(tmp, "no_prio_queueing")) {
272 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
273 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
274 } else
275 rc = -EINVAL;
276out:
277 mutex_unlock(&card->conf_mutex);
278 return rc ? rc : count;
279}
280
281static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
282 qeth_dev_prioqing_store);
283
284static ssize_t qeth_dev_bufcnt_show(struct device *dev,
285 struct device_attribute *attr, char *buf)
286{
287 struct qeth_card *card = dev_get_drvdata(dev);
288
289 if (!card)
290 return -EINVAL;
291
292 return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
293}
294
295static ssize_t qeth_dev_bufcnt_store(struct device *dev,
296 struct device_attribute *attr, const char *buf, size_t count)
297{
298 struct qeth_card *card = dev_get_drvdata(dev);
299 char *tmp;
300 int cnt, old_cnt;
301 int rc = 0;
302
303 if (!card)
304 return -EINVAL;
305
306 mutex_lock(&card->conf_mutex);
307 if ((card->state != CARD_STATE_DOWN) &&
308 (card->state != CARD_STATE_RECOVER)) {
309 rc = -EPERM;
310 goto out;
311 }
312
313 old_cnt = card->qdio.in_buf_pool.buf_count;
314 cnt = simple_strtoul(buf, &tmp, 10);
315 cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
316 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
317 if (old_cnt != cnt) {
318 rc = qeth_realloc_buffer_pool(card, cnt);
319 }
320out:
321 mutex_unlock(&card->conf_mutex);
322 return rc ? rc : count;
323}
324
325static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
326 qeth_dev_bufcnt_store);
327
328static ssize_t qeth_dev_recover_store(struct device *dev,
329 struct device_attribute *attr, const char *buf, size_t count)
330{
331 struct qeth_card *card = dev_get_drvdata(dev);
332 char *tmp;
333 int i;
334
335 if (!card)
336 return -EINVAL;
337
338 if (card->state != CARD_STATE_UP)
339 return -EPERM;
340
341 i = simple_strtoul(buf, &tmp, 16);
342 if (i == 1)
343 qeth_schedule_recovery(card);
344
345 return count;
346}
347
348static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
349
350static ssize_t qeth_dev_performance_stats_show(struct device *dev,
351 struct device_attribute *attr, char *buf)
352{
353 struct qeth_card *card = dev_get_drvdata(dev);
354
355 if (!card)
356 return -EINVAL;
357
358 return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
359}
360
361static ssize_t qeth_dev_performance_stats_store(struct device *dev,
362 struct device_attribute *attr, const char *buf, size_t count)
363{
364 struct qeth_card *card = dev_get_drvdata(dev);
365 char *tmp;
366 int i, rc = 0;
367
368 if (!card)
369 return -EINVAL;
370
371 mutex_lock(&card->conf_mutex);
372 i = simple_strtoul(buf, &tmp, 16);
373 if ((i == 0) || (i == 1)) {
374 if (i == card->options.performance_stats)
375 goto out;
376 card->options.performance_stats = i;
377 if (i == 0)
378 memset(&card->perf_stats, 0,
379 sizeof(struct qeth_perf_stats));
380 card->perf_stats.initial_rx_packets = card->stats.rx_packets;
381 card->perf_stats.initial_tx_packets = card->stats.tx_packets;
382 } else
383 rc = -EINVAL;
384out:
385 mutex_unlock(&card->conf_mutex);
386 return rc ? rc : count;
387}
388
389static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
390 qeth_dev_performance_stats_store);
391
392static ssize_t qeth_dev_layer2_show(struct device *dev,
393 struct device_attribute *attr, char *buf)
394{
395 struct qeth_card *card = dev_get_drvdata(dev);
396
397 if (!card)
398 return -EINVAL;
399
400 return sprintf(buf, "%i\n", card->options.layer2);
401}
402
403static ssize_t qeth_dev_layer2_store(struct device *dev,
404 struct device_attribute *attr, const char *buf, size_t count)
405{
406 struct qeth_card *card = dev_get_drvdata(dev);
407 char *tmp;
408 int i, rc = 0;
409 enum qeth_discipline_id newdis;
410
411 if (!card)
412 return -EINVAL;
413
414 mutex_lock(&card->discipline_mutex);
415 if (card->state != CARD_STATE_DOWN) {
416 rc = -EPERM;
417 goto out;
418 }
419
420 i = simple_strtoul(buf, &tmp, 16);
421 switch (i) {
422 case 0:
423 newdis = QETH_DISCIPLINE_LAYER3;
424 break;
425 case 1:
426 newdis = QETH_DISCIPLINE_LAYER2;
427 break;
428 default:
429 rc = -EINVAL;
430 goto out;
431 }
432
433 if (card->options.layer2 == newdis)
434 goto out;
435 else {
436 card->info.mac_bits = 0;
437 if (card->discipline.ccwgdriver) {
438 card->discipline.ccwgdriver->remove(card->gdev);
439 qeth_core_free_discipline(card);
440 }
441 }
442
443 rc = qeth_core_load_discipline(card, newdis);
444 if (rc)
445 goto out;
446
447 rc = card->discipline.ccwgdriver->probe(card->gdev);
448out:
449 mutex_unlock(&card->discipline_mutex);
450 return rc ? rc : count;
451}
452
453static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
454 qeth_dev_layer2_store);
455
456#define ATTR_QETH_ISOLATION_NONE ("none")
457#define ATTR_QETH_ISOLATION_FWD ("forward")
458#define ATTR_QETH_ISOLATION_DROP ("drop")
459
460static ssize_t qeth_dev_isolation_show(struct device *dev,
461 struct device_attribute *attr, char *buf)
462{
463 struct qeth_card *card = dev_get_drvdata(dev);
464
465 if (!card)
466 return -EINVAL;
467
468 switch (card->options.isolation) {
469 case ISOLATION_MODE_NONE:
470 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
471 case ISOLATION_MODE_FWD:
472 return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
473 case ISOLATION_MODE_DROP:
474 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
475 default:
476 return snprintf(buf, 5, "%s\n", "N/A");
477 }
478}
479
480static ssize_t qeth_dev_isolation_store(struct device *dev,
481 struct device_attribute *attr, const char *buf, size_t count)
482{
483 struct qeth_card *card = dev_get_drvdata(dev);
484 enum qeth_ipa_isolation_modes isolation;
485 int rc = 0;
486 char *tmp, *curtoken;
487 curtoken = (char *) buf;
488
489 if (!card)
490 return -EINVAL;
491
492 mutex_lock(&card->conf_mutex);
493 /* check for unknown, too, in case we do not yet know who we are */
494 if (card->info.type != QETH_CARD_TYPE_OSD &&
495 card->info.type != QETH_CARD_TYPE_OSX &&
496 card->info.type != QETH_CARD_TYPE_UNKNOWN) {
497 rc = -EOPNOTSUPP;
498 dev_err(&card->gdev->dev, "Adapter does not "
499 "support QDIO data connection isolation\n");
500 goto out;
501 }
502
503 /* parse input into isolation mode */
504 tmp = strsep(&curtoken, "\n");
505 if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
506 isolation = ISOLATION_MODE_NONE;
507 } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
508 isolation = ISOLATION_MODE_FWD;
509 } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
510 isolation = ISOLATION_MODE_DROP;
511 } else {
512 rc = -EINVAL;
513 goto out;
514 }
515 rc = count;
516
517 /* defer IP assist if device is offline (until discipline->set_online)*/
518 card->options.isolation = isolation;
519 if (card->state == CARD_STATE_SOFTSETUP ||
520 card->state == CARD_STATE_UP) {
521 int ipa_rc = qeth_set_access_ctrl_online(card);
522 if (ipa_rc != 0)
523 rc = ipa_rc;
524 }
525out:
526 mutex_unlock(&card->conf_mutex);
527 return rc;
528}
529
530static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
531 qeth_dev_isolation_store);
532
533static ssize_t qeth_hw_trap_show(struct device *dev,
534 struct device_attribute *attr, char *buf)
535{
536 struct qeth_card *card = dev_get_drvdata(dev);
537
538 if (!card)
539 return -EINVAL;
540 if (card->info.hwtrap)
541 return snprintf(buf, 5, "arm\n");
542 else
543 return snprintf(buf, 8, "disarm\n");
544}
545
546static ssize_t qeth_hw_trap_store(struct device *dev,
547 struct device_attribute *attr, const char *buf, size_t count)
548{
549 struct qeth_card *card = dev_get_drvdata(dev);
550 int rc = 0;
551 char *tmp, *curtoken;
552 int state = 0;
553 curtoken = (char *)buf;
554
555 if (!card)
556 return -EINVAL;
557
558 mutex_lock(&card->conf_mutex);
559 if (card->state == CARD_STATE_SOFTSETUP || card->state == CARD_STATE_UP)
560 state = 1;
561 tmp = strsep(&curtoken, "\n");
562
563 if (!strcmp(tmp, "arm") && !card->info.hwtrap) {
564 if (state) {
565 if (qeth_is_diagass_supported(card,
566 QETH_DIAGS_CMD_TRAP)) {
567 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
568 if (!rc)
569 card->info.hwtrap = 1;
570 } else
571 rc = -EINVAL;
572 } else
573 card->info.hwtrap = 1;
574 } else if (!strcmp(tmp, "disarm") && card->info.hwtrap) {
575 if (state) {
576 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
577 if (!rc)
578 card->info.hwtrap = 0;
579 } else
580 card->info.hwtrap = 0;
581 } else if (!strcmp(tmp, "trap") && state && card->info.hwtrap)
582 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
583 else
584 rc = -EINVAL;
585
586 mutex_unlock(&card->conf_mutex);
587 return rc ? rc : count;
588}
589
590static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
591 qeth_hw_trap_store);
592
593static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
594{
595
596 if (!card)
597 return -EINVAL;
598
599 return sprintf(buf, "%i\n", value);
600}
601
602static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
603 const char *buf, size_t count, int *value, int max_value)
604{
605 char *tmp;
606 int i, rc = 0;
607
608 if (!card)
609 return -EINVAL;
610
611 mutex_lock(&card->conf_mutex);
612 if ((card->state != CARD_STATE_DOWN) &&
613 (card->state != CARD_STATE_RECOVER)) {
614 rc = -EPERM;
615 goto out;
616 }
617 i = simple_strtoul(buf, &tmp, 10);
618 if (i <= max_value)
619 *value = i;
620 else
621 rc = -EINVAL;
622out:
623 mutex_unlock(&card->conf_mutex);
624 return rc ? rc : count;
625}
626
627static ssize_t qeth_dev_blkt_total_show(struct device *dev,
628 struct device_attribute *attr, char *buf)
629{
630 struct qeth_card *card = dev_get_drvdata(dev);
631
632 return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
633}
634
635static ssize_t qeth_dev_blkt_total_store(struct device *dev,
636 struct device_attribute *attr, const char *buf, size_t count)
637{
638 struct qeth_card *card = dev_get_drvdata(dev);
639
640 return qeth_dev_blkt_store(card, buf, count,
641 &card->info.blkt.time_total, 5000);
642}
643
644
645
646static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
647 qeth_dev_blkt_total_store);
648
649static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
650 struct device_attribute *attr, char *buf)
651{
652 struct qeth_card *card = dev_get_drvdata(dev);
653
654 return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
655}
656
657static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
658 struct device_attribute *attr, const char *buf, size_t count)
659{
660 struct qeth_card *card = dev_get_drvdata(dev);
661
662 return qeth_dev_blkt_store(card, buf, count,
663 &card->info.blkt.inter_packet, 1000);
664}
665
666static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
667 qeth_dev_blkt_inter_store);
668
669static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
670 struct device_attribute *attr, char *buf)
671{
672 struct qeth_card *card = dev_get_drvdata(dev);
673
674 return qeth_dev_blkt_show(buf, card,
675 card->info.blkt.inter_packet_jumbo);
676}
677
678static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
679 struct device_attribute *attr, const char *buf, size_t count)
680{
681 struct qeth_card *card = dev_get_drvdata(dev);
682
683 return qeth_dev_blkt_store(card, buf, count,
684 &card->info.blkt.inter_packet_jumbo, 1000);
685}
686
687static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
688 qeth_dev_blkt_inter_jumbo_store);
689
690static struct attribute *qeth_blkt_device_attrs[] = {
691 &dev_attr_total.attr,
692 &dev_attr_inter.attr,
693 &dev_attr_inter_jumbo.attr,
694 NULL,
695};
696
697static struct attribute_group qeth_device_blkt_group = {
698 .name = "blkt",
699 .attrs = qeth_blkt_device_attrs,
700};
701
702static struct attribute *qeth_device_attrs[] = {
703 &dev_attr_state.attr,
704 &dev_attr_chpid.attr,
705 &dev_attr_if_name.attr,
706 &dev_attr_card_type.attr,
707 &dev_attr_inbuf_size.attr,
708 &dev_attr_portno.attr,
709 &dev_attr_portname.attr,
710 &dev_attr_priority_queueing.attr,
711 &dev_attr_buffer_count.attr,
712 &dev_attr_recover.attr,
713 &dev_attr_performance_stats.attr,
714 &dev_attr_layer2.attr,
715 &dev_attr_isolation.attr,
716 &dev_attr_hw_trap.attr,
717 NULL,
718};
719
720static struct attribute_group qeth_device_attr_group = {
721 .attrs = qeth_device_attrs,
722};
723
724static struct attribute *qeth_osn_device_attrs[] = {
725 &dev_attr_state.attr,
726 &dev_attr_chpid.attr,
727 &dev_attr_if_name.attr,
728 &dev_attr_card_type.attr,
729 &dev_attr_buffer_count.attr,
730 &dev_attr_recover.attr,
731 NULL,
732};
733
734static struct attribute_group qeth_osn_device_attr_group = {
735 .attrs = qeth_osn_device_attrs,
736};
737
738int qeth_core_create_device_attributes(struct device *dev)
739{
740 int ret;
741 ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group);
742 if (ret)
743 return ret;
744 ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group);
745 if (ret)
746 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
747
748 return 0;
749}
750
751void qeth_core_remove_device_attributes(struct device *dev)
752{
753 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
754 sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
755}
756
757int qeth_core_create_osn_attributes(struct device *dev)
758{
759 return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group);
760}
761
762void qeth_core_remove_osn_attributes(struct device *dev)
763{
764 sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
765 return;
766}
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
8 */
9
10#define KMSG_COMPONENT "qeth"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/list.h>
14#include <linux/rwsem.h>
15#include <asm/ebcdic.h>
16
17#include "qeth_core.h"
18
19static ssize_t qeth_dev_state_show(struct device *dev,
20 struct device_attribute *attr, char *buf)
21{
22 struct qeth_card *card = dev_get_drvdata(dev);
23
24 switch (card->state) {
25 case CARD_STATE_DOWN:
26 return sprintf(buf, "DOWN\n");
27 case CARD_STATE_SOFTSETUP:
28 if (card->dev->flags & IFF_UP)
29 return sprintf(buf, "UP (LAN %s)\n",
30 netif_carrier_ok(card->dev) ? "ONLINE" :
31 "OFFLINE");
32 return sprintf(buf, "SOFTSETUP\n");
33 default:
34 return sprintf(buf, "UNKNOWN\n");
35 }
36}
37
38static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
39
40static ssize_t qeth_dev_chpid_show(struct device *dev,
41 struct device_attribute *attr, char *buf)
42{
43 struct qeth_card *card = dev_get_drvdata(dev);
44
45 return sprintf(buf, "%02X\n", card->info.chpid);
46}
47
48static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
49
50static ssize_t qeth_dev_if_name_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
52{
53 struct qeth_card *card = dev_get_drvdata(dev);
54
55 return sprintf(buf, "%s\n", netdev_name(card->dev));
56}
57
58static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
59
60static ssize_t qeth_dev_card_type_show(struct device *dev,
61 struct device_attribute *attr, char *buf)
62{
63 struct qeth_card *card = dev_get_drvdata(dev);
64
65 return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
66}
67
68static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
69
70static const char *qeth_get_bufsize_str(struct qeth_card *card)
71{
72 if (card->qdio.in_buf_size == 16384)
73 return "16k";
74 else if (card->qdio.in_buf_size == 24576)
75 return "24k";
76 else if (card->qdio.in_buf_size == 32768)
77 return "32k";
78 else if (card->qdio.in_buf_size == 40960)
79 return "40k";
80 else
81 return "64k";
82}
83
84static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
85 struct device_attribute *attr, char *buf)
86{
87 struct qeth_card *card = dev_get_drvdata(dev);
88
89 return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
90}
91
92static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
93
94static ssize_t qeth_dev_portno_show(struct device *dev,
95 struct device_attribute *attr, char *buf)
96{
97 struct qeth_card *card = dev_get_drvdata(dev);
98
99 return sprintf(buf, "%i\n", card->dev->dev_port);
100}
101
102static ssize_t qeth_dev_portno_store(struct device *dev,
103 struct device_attribute *attr, const char *buf, size_t count)
104{
105 struct qeth_card *card = dev_get_drvdata(dev);
106 unsigned int portno, limit;
107 int rc = 0;
108
109 rc = kstrtouint(buf, 16, &portno);
110 if (rc)
111 return rc;
112 if (portno > QETH_MAX_PORTNO)
113 return -EINVAL;
114
115 mutex_lock(&card->conf_mutex);
116 if (card->state != CARD_STATE_DOWN) {
117 rc = -EPERM;
118 goto out;
119 }
120
121 limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
122 if (portno > limit) {
123 rc = -EINVAL;
124 goto out;
125 }
126 card->dev->dev_port = portno;
127out:
128 mutex_unlock(&card->conf_mutex);
129 return rc ? rc : count;
130}
131
132static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
133
134static ssize_t qeth_dev_portname_show(struct device *dev,
135 struct device_attribute *attr, char *buf)
136{
137 return sprintf(buf, "no portname required\n");
138}
139
140static ssize_t qeth_dev_portname_store(struct device *dev,
141 struct device_attribute *attr, const char *buf, size_t count)
142{
143 struct qeth_card *card = dev_get_drvdata(dev);
144
145 dev_warn_once(&card->gdev->dev,
146 "portname is deprecated and is ignored\n");
147 return count;
148}
149
150static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
151 qeth_dev_portname_store);
152
153static ssize_t qeth_dev_prioqing_show(struct device *dev,
154 struct device_attribute *attr, char *buf)
155{
156 struct qeth_card *card = dev_get_drvdata(dev);
157
158 switch (card->qdio.do_prio_queueing) {
159 case QETH_PRIO_Q_ING_PREC:
160 return sprintf(buf, "%s\n", "by precedence");
161 case QETH_PRIO_Q_ING_TOS:
162 return sprintf(buf, "%s\n", "by type of service");
163 case QETH_PRIO_Q_ING_SKB:
164 return sprintf(buf, "%s\n", "by skb-priority");
165 case QETH_PRIO_Q_ING_VLAN:
166 return sprintf(buf, "%s\n", "by VLAN headers");
167 case QETH_PRIO_Q_ING_FIXED:
168 return sprintf(buf, "always queue %i\n",
169 card->qdio.default_out_queue);
170 default:
171 return sprintf(buf, "disabled\n");
172 }
173}
174
175static ssize_t qeth_dev_prioqing_store(struct device *dev,
176 struct device_attribute *attr, const char *buf, size_t count)
177{
178 struct qeth_card *card = dev_get_drvdata(dev);
179 int rc = 0;
180
181 if (IS_IQD(card) || IS_VM_NIC(card))
182 return -EOPNOTSUPP;
183
184 mutex_lock(&card->conf_mutex);
185 if (card->state != CARD_STATE_DOWN) {
186 rc = -EPERM;
187 goto out;
188 }
189
190 /* check if 1920 devices are supported ,
191 * if though we have to permit priority queueing
192 */
193 if (card->qdio.no_out_queues == 1) {
194 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
195 rc = -EPERM;
196 goto out;
197 }
198
199 if (sysfs_streq(buf, "prio_queueing_prec")) {
200 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
201 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
202 } else if (sysfs_streq(buf, "prio_queueing_skb")) {
203 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
204 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
205 } else if (sysfs_streq(buf, "prio_queueing_tos")) {
206 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
207 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
208 } else if (sysfs_streq(buf, "prio_queueing_vlan")) {
209 if (IS_LAYER3(card)) {
210 rc = -EOPNOTSUPP;
211 goto out;
212 }
213 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
214 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
215 } else if (sysfs_streq(buf, "no_prio_queueing:0")) {
216 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
217 card->qdio.default_out_queue = 0;
218 } else if (sysfs_streq(buf, "no_prio_queueing:1")) {
219 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
220 card->qdio.default_out_queue = 1;
221 } else if (sysfs_streq(buf, "no_prio_queueing:2")) {
222 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
223 card->qdio.default_out_queue = 2;
224 } else if (sysfs_streq(buf, "no_prio_queueing:3")) {
225 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
226 card->qdio.default_out_queue = 3;
227 } else if (sysfs_streq(buf, "no_prio_queueing")) {
228 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
229 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
230 } else
231 rc = -EINVAL;
232out:
233 mutex_unlock(&card->conf_mutex);
234 return rc ? rc : count;
235}
236
237static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
238 qeth_dev_prioqing_store);
239
240static ssize_t qeth_dev_bufcnt_show(struct device *dev,
241 struct device_attribute *attr, char *buf)
242{
243 struct qeth_card *card = dev_get_drvdata(dev);
244
245 return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
246}
247
248static ssize_t qeth_dev_bufcnt_store(struct device *dev,
249 struct device_attribute *attr, const char *buf, size_t count)
250{
251 struct qeth_card *card = dev_get_drvdata(dev);
252 unsigned int cnt;
253 int rc = 0;
254
255 rc = kstrtouint(buf, 10, &cnt);
256 if (rc)
257 return rc;
258
259 mutex_lock(&card->conf_mutex);
260 if (card->state != CARD_STATE_DOWN) {
261 rc = -EPERM;
262 goto out;
263 }
264
265 cnt = clamp(cnt, QETH_IN_BUF_COUNT_MIN, QETH_IN_BUF_COUNT_MAX);
266 rc = qeth_resize_buffer_pool(card, cnt);
267
268out:
269 mutex_unlock(&card->conf_mutex);
270 return rc ? rc : count;
271}
272
273static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
274 qeth_dev_bufcnt_store);
275
276static ssize_t qeth_dev_recover_store(struct device *dev,
277 struct device_attribute *attr, const char *buf, size_t count)
278{
279 struct qeth_card *card = dev_get_drvdata(dev);
280 bool reset;
281 int rc;
282
283 rc = kstrtobool(buf, &reset);
284 if (rc)
285 return rc;
286
287 if (!qeth_card_hw_is_reachable(card))
288 return -EPERM;
289
290 if (reset)
291 rc = qeth_schedule_recovery(card);
292
293 return rc ? rc : count;
294}
295
296static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
297
298static ssize_t qeth_dev_performance_stats_show(struct device *dev,
299 struct device_attribute *attr, char *buf)
300{
301 return sprintf(buf, "1\n");
302}
303
304static ssize_t qeth_dev_performance_stats_store(struct device *dev,
305 struct device_attribute *attr, const char *buf, size_t count)
306{
307 struct qeth_card *card = dev_get_drvdata(dev);
308 struct qeth_qdio_out_q *queue;
309 unsigned int i;
310 bool reset;
311 int rc;
312
313 rc = kstrtobool(buf, &reset);
314 if (rc)
315 return rc;
316
317 if (reset) {
318 memset(&card->stats, 0, sizeof(card->stats));
319 for (i = 0; i < card->qdio.no_out_queues; i++) {
320 queue = card->qdio.out_qs[i];
321 if (!queue)
322 break;
323 memset(&queue->stats, 0, sizeof(queue->stats));
324 }
325 }
326
327 return count;
328}
329
330static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
331 qeth_dev_performance_stats_store);
332
333static ssize_t qeth_dev_layer2_show(struct device *dev,
334 struct device_attribute *attr, char *buf)
335{
336 struct qeth_card *card = dev_get_drvdata(dev);
337
338 return sprintf(buf, "%i\n", card->options.layer);
339}
340
341static ssize_t qeth_dev_layer2_store(struct device *dev,
342 struct device_attribute *attr, const char *buf, size_t count)
343{
344 struct qeth_card *card = dev_get_drvdata(dev);
345 struct net_device *ndev;
346 enum qeth_discipline_id newdis;
347 unsigned int input;
348 int rc;
349
350 rc = kstrtouint(buf, 16, &input);
351 if (rc)
352 return rc;
353
354 switch (input) {
355 case 0:
356 newdis = QETH_DISCIPLINE_LAYER3;
357 break;
358 case 1:
359 newdis = QETH_DISCIPLINE_LAYER2;
360 break;
361 default:
362 return -EINVAL;
363 }
364
365 mutex_lock(&card->discipline_mutex);
366 if (card->state != CARD_STATE_DOWN) {
367 rc = -EPERM;
368 goto out;
369 }
370
371 if (card->options.layer == newdis)
372 goto out;
373 if (card->info.layer_enforced) {
374 /* fixed layer, can't switch */
375 rc = -EOPNOTSUPP;
376 goto out;
377 }
378
379 if (card->discipline) {
380 /* start with a new, pristine netdevice: */
381 ndev = qeth_clone_netdev(card->dev);
382 if (!ndev) {
383 rc = -ENOMEM;
384 goto out;
385 }
386
387 qeth_remove_discipline(card);
388 free_netdev(card->dev);
389 card->dev = ndev;
390 }
391
392 rc = qeth_setup_discipline(card, newdis);
393
394out:
395 mutex_unlock(&card->discipline_mutex);
396 return rc ? rc : count;
397}
398
399static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
400 qeth_dev_layer2_store);
401
402#define ATTR_QETH_ISOLATION_NONE ("none")
403#define ATTR_QETH_ISOLATION_FWD ("forward")
404#define ATTR_QETH_ISOLATION_DROP ("drop")
405
406static ssize_t qeth_dev_isolation_show(struct device *dev,
407 struct device_attribute *attr, char *buf)
408{
409 struct qeth_card *card = dev_get_drvdata(dev);
410
411 switch (card->options.isolation) {
412 case ISOLATION_MODE_NONE:
413 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_NONE);
414 case ISOLATION_MODE_FWD:
415 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_FWD);
416 case ISOLATION_MODE_DROP:
417 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_DROP);
418 default:
419 return sysfs_emit(buf, "%s\n", "N/A");
420 }
421}
422
423static ssize_t qeth_dev_isolation_store(struct device *dev,
424 struct device_attribute *attr, const char *buf, size_t count)
425{
426 struct qeth_card *card = dev_get_drvdata(dev);
427 enum qeth_ipa_isolation_modes isolation;
428 int rc = 0;
429
430 mutex_lock(&card->conf_mutex);
431 if (!IS_OSD(card) && !IS_OSX(card)) {
432 rc = -EOPNOTSUPP;
433 dev_err(&card->gdev->dev, "Adapter does not "
434 "support QDIO data connection isolation\n");
435 goto out;
436 }
437
438 /* parse input into isolation mode */
439 if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
440 isolation = ISOLATION_MODE_NONE;
441 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
442 isolation = ISOLATION_MODE_FWD;
443 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
444 isolation = ISOLATION_MODE_DROP;
445 } else {
446 rc = -EINVAL;
447 goto out;
448 }
449
450 if (qeth_card_hw_is_reachable(card))
451 rc = qeth_setadpparms_set_access_ctrl(card, isolation);
452
453 if (!rc)
454 WRITE_ONCE(card->options.isolation, isolation);
455
456out:
457 mutex_unlock(&card->conf_mutex);
458
459 return rc ? rc : count;
460}
461
462static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
463 qeth_dev_isolation_store);
464
465static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
466 struct device_attribute *attr, char *buf)
467{
468 struct qeth_card *card = dev_get_drvdata(dev);
469 struct qeth_switch_info sw_info;
470 int rc = 0;
471
472 if (!qeth_card_hw_is_reachable(card))
473 return sprintf(buf, "n/a\n");
474
475 rc = qeth_query_switch_attributes(card, &sw_info);
476 if (rc)
477 return rc;
478
479 if (!sw_info.capabilities)
480 rc = sprintf(buf, "unknown");
481
482 if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
483 rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
484 "[802.1]" : "802.1"));
485 if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
486 rc += sprintf(buf + rc,
487 (sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
488 " [rr]" : " rr"));
489 rc += sprintf(buf + rc, "\n");
490
491 return rc;
492}
493
494static DEVICE_ATTR(switch_attrs, 0444,
495 qeth_dev_switch_attrs_show, NULL);
496
497static ssize_t qeth_hw_trap_show(struct device *dev,
498 struct device_attribute *attr, char *buf)
499{
500 struct qeth_card *card = dev_get_drvdata(dev);
501
502 if (card->info.hwtrap)
503 return sysfs_emit(buf, "arm\n");
504 else
505 return sysfs_emit(buf, "disarm\n");
506}
507
508static ssize_t qeth_hw_trap_store(struct device *dev,
509 struct device_attribute *attr, const char *buf, size_t count)
510{
511 struct qeth_card *card = dev_get_drvdata(dev);
512 int rc = 0;
513 int state = 0;
514
515 mutex_lock(&card->conf_mutex);
516 if (qeth_card_hw_is_reachable(card))
517 state = 1;
518
519 if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
520 if (state) {
521 if (qeth_is_diagass_supported(card,
522 QETH_DIAGS_CMD_TRAP)) {
523 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
524 if (!rc)
525 card->info.hwtrap = 1;
526 } else
527 rc = -EINVAL;
528 } else
529 card->info.hwtrap = 1;
530 } else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
531 if (state) {
532 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
533 if (!rc)
534 card->info.hwtrap = 0;
535 } else
536 card->info.hwtrap = 0;
537 } else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
538 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
539 else
540 rc = -EINVAL;
541
542 mutex_unlock(&card->conf_mutex);
543 return rc ? rc : count;
544}
545
546static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
547 qeth_hw_trap_store);
548
549static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
550 const char *buf, size_t count, int *value, int max_value)
551{
552 unsigned int input;
553 int rc;
554
555 rc = kstrtouint(buf, 10, &input);
556 if (rc)
557 return rc;
558
559 if (input > max_value)
560 return -EINVAL;
561
562 mutex_lock(&card->conf_mutex);
563 if (card->state != CARD_STATE_DOWN)
564 rc = -EPERM;
565 else
566 *value = input;
567 mutex_unlock(&card->conf_mutex);
568 return rc ? rc : count;
569}
570
571static ssize_t qeth_dev_blkt_total_show(struct device *dev,
572 struct device_attribute *attr, char *buf)
573{
574 struct qeth_card *card = dev_get_drvdata(dev);
575
576 return sprintf(buf, "%i\n", card->info.blkt.time_total);
577}
578
579static ssize_t qeth_dev_blkt_total_store(struct device *dev,
580 struct device_attribute *attr, const char *buf, size_t count)
581{
582 struct qeth_card *card = dev_get_drvdata(dev);
583
584 return qeth_dev_blkt_store(card, buf, count,
585 &card->info.blkt.time_total, 5000);
586}
587
588static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
589 qeth_dev_blkt_total_store);
590
591static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
592 struct device_attribute *attr, char *buf)
593{
594 struct qeth_card *card = dev_get_drvdata(dev);
595
596 return sprintf(buf, "%i\n", card->info.blkt.inter_packet);
597}
598
599static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
600 struct device_attribute *attr, const char *buf, size_t count)
601{
602 struct qeth_card *card = dev_get_drvdata(dev);
603
604 return qeth_dev_blkt_store(card, buf, count,
605 &card->info.blkt.inter_packet, 1000);
606}
607
608static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
609 qeth_dev_blkt_inter_store);
610
611static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
612 struct device_attribute *attr, char *buf)
613{
614 struct qeth_card *card = dev_get_drvdata(dev);
615
616 return sprintf(buf, "%i\n", card->info.blkt.inter_packet_jumbo);
617}
618
619static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
620 struct device_attribute *attr, const char *buf, size_t count)
621{
622 struct qeth_card *card = dev_get_drvdata(dev);
623
624 return qeth_dev_blkt_store(card, buf, count,
625 &card->info.blkt.inter_packet_jumbo, 1000);
626}
627
628static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
629 qeth_dev_blkt_inter_jumbo_store);
630
631static struct attribute *qeth_blkt_device_attrs[] = {
632 &dev_attr_total.attr,
633 &dev_attr_inter.attr,
634 &dev_attr_inter_jumbo.attr,
635 NULL,
636};
637
638static const struct attribute_group qeth_dev_blkt_group = {
639 .name = "blkt",
640 .attrs = qeth_blkt_device_attrs,
641};
642
643static struct attribute *qeth_dev_extended_attrs[] = {
644 &dev_attr_inbuf_size.attr,
645 &dev_attr_portno.attr,
646 &dev_attr_portname.attr,
647 &dev_attr_priority_queueing.attr,
648 &dev_attr_performance_stats.attr,
649 &dev_attr_layer2.attr,
650 &dev_attr_isolation.attr,
651 &dev_attr_hw_trap.attr,
652 &dev_attr_switch_attrs.attr,
653 NULL,
654};
655
656static const struct attribute_group qeth_dev_extended_group = {
657 .attrs = qeth_dev_extended_attrs,
658};
659
660static struct attribute *qeth_dev_attrs[] = {
661 &dev_attr_state.attr,
662 &dev_attr_chpid.attr,
663 &dev_attr_if_name.attr,
664 &dev_attr_card_type.attr,
665 &dev_attr_buffer_count.attr,
666 &dev_attr_recover.attr,
667 NULL,
668};
669
670static const struct attribute_group qeth_dev_group = {
671 .attrs = qeth_dev_attrs,
672};
673
674const struct attribute_group *qeth_dev_groups[] = {
675 &qeth_dev_group,
676 &qeth_dev_extended_group,
677 &qeth_dev_blkt_group,
678 NULL,
679};