xref: /openbmc/linux/drivers/s390/net/qeth_core_sys.c (revision b9b77222)
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 
19 static 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 	if (!card)
24 		return -EINVAL;
25 
26 	switch (card->state) {
27 	case CARD_STATE_DOWN:
28 		return sprintf(buf, "DOWN\n");
29 	case CARD_STATE_HARDSETUP:
30 		return sprintf(buf, "HARDSETUP\n");
31 	case CARD_STATE_SOFTSETUP:
32 		return sprintf(buf, "SOFTSETUP\n");
33 	case CARD_STATE_UP:
34 		if (card->lan_online)
35 		return sprintf(buf, "UP (LAN ONLINE)\n");
36 		else
37 			return sprintf(buf, "UP (LAN OFFLINE)\n");
38 	case CARD_STATE_RECOVER:
39 		return sprintf(buf, "RECOVER\n");
40 	default:
41 		return sprintf(buf, "UNKNOWN\n");
42 	}
43 }
44 
45 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
46 
47 static ssize_t qeth_dev_chpid_show(struct device *dev,
48 				struct device_attribute *attr, char *buf)
49 {
50 	struct qeth_card *card = dev_get_drvdata(dev);
51 	if (!card)
52 		return -EINVAL;
53 
54 	return sprintf(buf, "%02X\n", card->info.chpid);
55 }
56 
57 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
58 
59 static ssize_t qeth_dev_if_name_show(struct device *dev,
60 				struct device_attribute *attr, char *buf)
61 {
62 	struct qeth_card *card = dev_get_drvdata(dev);
63 	if (!card)
64 		return -EINVAL;
65 	return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
66 }
67 
68 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
69 
70 static ssize_t qeth_dev_card_type_show(struct device *dev,
71 				struct device_attribute *attr, char *buf)
72 {
73 	struct qeth_card *card = dev_get_drvdata(dev);
74 	if (!card)
75 		return -EINVAL;
76 
77 	return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
78 }
79 
80 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
81 
82 static const char *qeth_get_bufsize_str(struct qeth_card *card)
83 {
84 	if (card->qdio.in_buf_size == 16384)
85 		return "16k";
86 	else if (card->qdio.in_buf_size == 24576)
87 		return "24k";
88 	else if (card->qdio.in_buf_size == 32768)
89 		return "32k";
90 	else if (card->qdio.in_buf_size == 40960)
91 		return "40k";
92 	else
93 		return "64k";
94 }
95 
96 static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
97 				struct device_attribute *attr, char *buf)
98 {
99 	struct qeth_card *card = dev_get_drvdata(dev);
100 	if (!card)
101 		return -EINVAL;
102 
103 	return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
104 }
105 
106 static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
107 
108 static ssize_t qeth_dev_portno_show(struct device *dev,
109 			struct device_attribute *attr, char *buf)
110 {
111 	struct qeth_card *card = dev_get_drvdata(dev);
112 	if (!card)
113 		return -EINVAL;
114 
115 	return sprintf(buf, "%i\n", card->info.portno);
116 }
117 
118 static ssize_t qeth_dev_portno_store(struct device *dev,
119 		struct device_attribute *attr, const char *buf, size_t count)
120 {
121 	struct qeth_card *card = dev_get_drvdata(dev);
122 	char *tmp;
123 	unsigned int portno, limit;
124 	int rc = 0;
125 
126 	if (!card)
127 		return -EINVAL;
128 
129 	mutex_lock(&card->conf_mutex);
130 	if ((card->state != CARD_STATE_DOWN) &&
131 	    (card->state != CARD_STATE_RECOVER)) {
132 		rc = -EPERM;
133 		goto out;
134 	}
135 
136 	portno = simple_strtoul(buf, &tmp, 16);
137 	if (portno > QETH_MAX_PORTNO) {
138 		rc = -EINVAL;
139 		goto out;
140 	}
141 	limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
142 	if (portno > limit) {
143 		rc = -EINVAL;
144 		goto out;
145 	}
146 	card->info.portno = portno;
147 	if (card->dev)
148 		card->dev->dev_port = portno;
149 out:
150 	mutex_unlock(&card->conf_mutex);
151 	return rc ? rc : count;
152 }
153 
154 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
155 
156 static ssize_t qeth_dev_portname_show(struct device *dev,
157 				struct device_attribute *attr, char *buf)
158 {
159 	return sprintf(buf, "no portname required\n");
160 }
161 
162 static ssize_t qeth_dev_portname_store(struct device *dev,
163 		struct device_attribute *attr, const char *buf, size_t count)
164 {
165 	struct qeth_card *card = dev_get_drvdata(dev);
166 
167 	dev_warn_once(&card->gdev->dev,
168 		      "portname is deprecated and is ignored\n");
169 	return count;
170 }
171 
172 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
173 		qeth_dev_portname_store);
174 
175 static ssize_t qeth_dev_prioqing_show(struct device *dev,
176 				struct device_attribute *attr, char *buf)
177 {
178 	struct qeth_card *card = dev_get_drvdata(dev);
179 
180 	if (!card)
181 		return -EINVAL;
182 
183 	switch (card->qdio.do_prio_queueing) {
184 	case QETH_PRIO_Q_ING_PREC:
185 		return sprintf(buf, "%s\n", "by precedence");
186 	case QETH_PRIO_Q_ING_TOS:
187 		return sprintf(buf, "%s\n", "by type of service");
188 	case QETH_PRIO_Q_ING_SKB:
189 		return sprintf(buf, "%s\n", "by skb-priority");
190 	case QETH_PRIO_Q_ING_VLAN:
191 		return sprintf(buf, "%s\n", "by VLAN headers");
192 	default:
193 		return sprintf(buf, "always queue %i\n",
194 			       card->qdio.default_out_queue);
195 	}
196 }
197 
198 static ssize_t qeth_dev_prioqing_store(struct device *dev,
199 		struct device_attribute *attr, const char *buf, size_t count)
200 {
201 	struct qeth_card *card = dev_get_drvdata(dev);
202 	int rc = 0;
203 
204 	if (!card)
205 		return -EINVAL;
206 
207 	mutex_lock(&card->conf_mutex);
208 	if ((card->state != CARD_STATE_DOWN) &&
209 	    (card->state != CARD_STATE_RECOVER)) {
210 		rc = -EPERM;
211 		goto out;
212 	}
213 
214 	/* check if 1920 devices are supported ,
215 	 * if though we have to permit priority queueing
216 	 */
217 	if (card->qdio.no_out_queues == 1) {
218 		card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
219 		rc = -EPERM;
220 		goto out;
221 	}
222 
223 	if (sysfs_streq(buf, "prio_queueing_prec")) {
224 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
225 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
226 	} else if (sysfs_streq(buf, "prio_queueing_skb")) {
227 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
228 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
229 	} else if (sysfs_streq(buf, "prio_queueing_tos")) {
230 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
231 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
232 	} else if (sysfs_streq(buf, "prio_queueing_vlan")) {
233 		if (!card->options.layer2) {
234 			rc = -ENOTSUPP;
235 			goto out;
236 		}
237 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
238 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
239 	} else if (sysfs_streq(buf, "no_prio_queueing:0")) {
240 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
241 		card->qdio.default_out_queue = 0;
242 	} else if (sysfs_streq(buf, "no_prio_queueing:1")) {
243 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
244 		card->qdio.default_out_queue = 1;
245 	} else if (sysfs_streq(buf, "no_prio_queueing:2")) {
246 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
247 		card->qdio.default_out_queue = 2;
248 	} else if (sysfs_streq(buf, "no_prio_queueing:3")) {
249 		if (card->info.type == QETH_CARD_TYPE_IQD) {
250 			rc = -EPERM;
251 			goto out;
252 		}
253 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
254 		card->qdio.default_out_queue = 3;
255 	} else if (sysfs_streq(buf, "no_prio_queueing")) {
256 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
257 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
258 	} else
259 		rc = -EINVAL;
260 out:
261 	mutex_unlock(&card->conf_mutex);
262 	return rc ? rc : count;
263 }
264 
265 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
266 		qeth_dev_prioqing_store);
267 
268 static ssize_t qeth_dev_bufcnt_show(struct device *dev,
269 				struct device_attribute *attr, char *buf)
270 {
271 	struct qeth_card *card = dev_get_drvdata(dev);
272 
273 	if (!card)
274 		return -EINVAL;
275 
276 	return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
277 }
278 
279 static ssize_t qeth_dev_bufcnt_store(struct device *dev,
280 		struct device_attribute *attr, const char *buf, size_t count)
281 {
282 	struct qeth_card *card = dev_get_drvdata(dev);
283 	char *tmp;
284 	int cnt, old_cnt;
285 	int rc = 0;
286 
287 	if (!card)
288 		return -EINVAL;
289 
290 	mutex_lock(&card->conf_mutex);
291 	if ((card->state != CARD_STATE_DOWN) &&
292 	    (card->state != CARD_STATE_RECOVER)) {
293 		rc = -EPERM;
294 		goto out;
295 	}
296 
297 	old_cnt = card->qdio.in_buf_pool.buf_count;
298 	cnt = simple_strtoul(buf, &tmp, 10);
299 	cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
300 		((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
301 	if (old_cnt != cnt) {
302 		rc = qeth_realloc_buffer_pool(card, cnt);
303 	}
304 out:
305 	mutex_unlock(&card->conf_mutex);
306 	return rc ? rc : count;
307 }
308 
309 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
310 		qeth_dev_bufcnt_store);
311 
312 static ssize_t qeth_dev_recover_store(struct device *dev,
313 		struct device_attribute *attr, const char *buf, size_t count)
314 {
315 	struct qeth_card *card = dev_get_drvdata(dev);
316 	char *tmp;
317 	int i;
318 
319 	if (!card)
320 		return -EINVAL;
321 
322 	if (card->state != CARD_STATE_UP)
323 		return -EPERM;
324 
325 	i = simple_strtoul(buf, &tmp, 16);
326 	if (i == 1)
327 		qeth_schedule_recovery(card);
328 
329 	return count;
330 }
331 
332 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
333 
334 static ssize_t qeth_dev_performance_stats_show(struct device *dev,
335 				struct device_attribute *attr, char *buf)
336 {
337 	struct qeth_card *card = dev_get_drvdata(dev);
338 
339 	if (!card)
340 		return -EINVAL;
341 
342 	return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
343 }
344 
345 static ssize_t qeth_dev_performance_stats_store(struct device *dev,
346 		struct device_attribute *attr, const char *buf, size_t count)
347 {
348 	struct qeth_card *card = dev_get_drvdata(dev);
349 	char *tmp;
350 	int i, rc = 0;
351 
352 	if (!card)
353 		return -EINVAL;
354 
355 	mutex_lock(&card->conf_mutex);
356 	i = simple_strtoul(buf, &tmp, 16);
357 	if ((i == 0) || (i == 1)) {
358 		if (i == card->options.performance_stats)
359 			goto out;
360 		card->options.performance_stats = i;
361 		if (i == 0)
362 			memset(&card->perf_stats, 0,
363 				sizeof(struct qeth_perf_stats));
364 		card->perf_stats.initial_rx_packets = card->stats.rx_packets;
365 		card->perf_stats.initial_tx_packets = card->stats.tx_packets;
366 	} else
367 		rc = -EINVAL;
368 out:
369 	mutex_unlock(&card->conf_mutex);
370 	return rc ? rc : count;
371 }
372 
373 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
374 		   qeth_dev_performance_stats_store);
375 
376 static ssize_t qeth_dev_layer2_show(struct device *dev,
377 		struct device_attribute *attr, char *buf)
378 {
379 	struct qeth_card *card = dev_get_drvdata(dev);
380 
381 	if (!card)
382 		return -EINVAL;
383 
384 	return sprintf(buf, "%i\n", card->options.layer2);
385 }
386 
387 static ssize_t qeth_dev_layer2_store(struct device *dev,
388 		struct device_attribute *attr, const char *buf, size_t count)
389 {
390 	struct qeth_card *card = dev_get_drvdata(dev);
391 	char *tmp;
392 	int i, rc = 0;
393 	enum qeth_discipline_id newdis;
394 
395 	if (!card)
396 		return -EINVAL;
397 
398 	mutex_lock(&card->discipline_mutex);
399 	if (card->state != CARD_STATE_DOWN) {
400 		rc = -EPERM;
401 		goto out;
402 	}
403 
404 	i = simple_strtoul(buf, &tmp, 16);
405 	switch (i) {
406 	case 0:
407 		newdis = QETH_DISCIPLINE_LAYER3;
408 		break;
409 	case 1:
410 		newdis = QETH_DISCIPLINE_LAYER2;
411 		break;
412 	default:
413 		rc = -EINVAL;
414 		goto out;
415 	}
416 
417 	if (card->options.layer2 == newdis)
418 		goto out;
419 	if (card->info.layer_enforced) {
420 		/* fixed layer, can't switch */
421 		rc = -EOPNOTSUPP;
422 		goto out;
423 	}
424 
425 	card->info.mac_bits = 0;
426 	if (card->discipline) {
427 		card->discipline->remove(card->gdev);
428 		qeth_core_free_discipline(card);
429 	}
430 
431 	rc = qeth_core_load_discipline(card, newdis);
432 	if (rc)
433 		goto out;
434 
435 	rc = card->discipline->setup(card->gdev);
436 	if (rc)
437 		qeth_core_free_discipline(card);
438 out:
439 	mutex_unlock(&card->discipline_mutex);
440 	return rc ? rc : count;
441 }
442 
443 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
444 		   qeth_dev_layer2_store);
445 
446 #define ATTR_QETH_ISOLATION_NONE	("none")
447 #define ATTR_QETH_ISOLATION_FWD		("forward")
448 #define ATTR_QETH_ISOLATION_DROP	("drop")
449 
450 static ssize_t qeth_dev_isolation_show(struct device *dev,
451 				struct device_attribute *attr, char *buf)
452 {
453 	struct qeth_card *card = dev_get_drvdata(dev);
454 
455 	if (!card)
456 		return -EINVAL;
457 
458 	switch (card->options.isolation) {
459 	case ISOLATION_MODE_NONE:
460 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
461 	case ISOLATION_MODE_FWD:
462 		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
463 	case ISOLATION_MODE_DROP:
464 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
465 	default:
466 		return snprintf(buf, 5, "%s\n", "N/A");
467 	}
468 }
469 
470 static ssize_t qeth_dev_isolation_store(struct device *dev,
471 		struct device_attribute *attr, const char *buf, size_t count)
472 {
473 	struct qeth_card *card = dev_get_drvdata(dev);
474 	enum qeth_ipa_isolation_modes isolation;
475 	int rc = 0;
476 
477 	if (!card)
478 		return -EINVAL;
479 
480 	mutex_lock(&card->conf_mutex);
481 	if (card->info.type != QETH_CARD_TYPE_OSD &&
482 	    card->info.type != QETH_CARD_TYPE_OSX) {
483 		rc = -EOPNOTSUPP;
484 		dev_err(&card->gdev->dev, "Adapter does not "
485 			"support QDIO data connection isolation\n");
486 		goto out;
487 	}
488 
489 	/* parse input into isolation mode */
490 	if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
491 		isolation = ISOLATION_MODE_NONE;
492 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
493 		isolation = ISOLATION_MODE_FWD;
494 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
495 		isolation = ISOLATION_MODE_DROP;
496 	} else {
497 		rc = -EINVAL;
498 		goto out;
499 	}
500 	rc = count;
501 
502 	/* defer IP assist if device is offline (until discipline->set_online)*/
503 	card->options.prev_isolation = card->options.isolation;
504 	card->options.isolation = isolation;
505 	if (qeth_card_hw_is_reachable(card)) {
506 		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
507 		if (ipa_rc != 0)
508 			rc = ipa_rc;
509 	}
510 out:
511 	mutex_unlock(&card->conf_mutex);
512 	return rc;
513 }
514 
515 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
516 			qeth_dev_isolation_store);
517 
518 static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
519 				struct device_attribute *attr, char *buf)
520 {
521 	struct qeth_card *card = dev_get_drvdata(dev);
522 	struct qeth_switch_info sw_info;
523 	int	rc = 0;
524 
525 	if (!card)
526 		return -EINVAL;
527 
528 	if (!qeth_card_hw_is_reachable(card))
529 		return sprintf(buf, "n/a\n");
530 
531 	rc = qeth_query_switch_attributes(card, &sw_info);
532 	if (rc)
533 		return rc;
534 
535 	if (!sw_info.capabilities)
536 		rc = sprintf(buf, "unknown");
537 
538 	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
539 		rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
540 							"[802.1]" : "802.1"));
541 	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
542 		rc += sprintf(buf + rc,
543 			(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
544 							" [rr]" : " rr"));
545 	rc += sprintf(buf + rc, "\n");
546 
547 	return rc;
548 }
549 
550 static DEVICE_ATTR(switch_attrs, 0444,
551 		   qeth_dev_switch_attrs_show, NULL);
552 
553 static ssize_t qeth_hw_trap_show(struct device *dev,
554 				struct device_attribute *attr, char *buf)
555 {
556 	struct qeth_card *card = dev_get_drvdata(dev);
557 
558 	if (!card)
559 		return -EINVAL;
560 	if (card->info.hwtrap)
561 		return snprintf(buf, 5, "arm\n");
562 	else
563 		return snprintf(buf, 8, "disarm\n");
564 }
565 
566 static ssize_t qeth_hw_trap_store(struct device *dev,
567 		struct device_attribute *attr, const char *buf, size_t count)
568 {
569 	struct qeth_card *card = dev_get_drvdata(dev);
570 	int rc = 0;
571 	int state = 0;
572 
573 	if (!card)
574 		return -EINVAL;
575 
576 	mutex_lock(&card->conf_mutex);
577 	if (qeth_card_hw_is_reachable(card))
578 		state = 1;
579 
580 	if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
581 		if (state) {
582 			if (qeth_is_diagass_supported(card,
583 			    QETH_DIAGS_CMD_TRAP)) {
584 				rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
585 				if (!rc)
586 					card->info.hwtrap = 1;
587 			} else
588 				rc = -EINVAL;
589 		} else
590 			card->info.hwtrap = 1;
591 	} else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
592 		if (state) {
593 			rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
594 			if (!rc)
595 				card->info.hwtrap = 0;
596 		} else
597 			card->info.hwtrap = 0;
598 	} else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
599 		rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
600 	else
601 		rc = -EINVAL;
602 
603 	mutex_unlock(&card->conf_mutex);
604 	return rc ? rc : count;
605 }
606 
607 static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
608 		   qeth_hw_trap_store);
609 
610 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
611 {
612 
613 	if (!card)
614 		return -EINVAL;
615 
616 	return sprintf(buf, "%i\n", value);
617 }
618 
619 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
620 		const char *buf, size_t count, int *value, int max_value)
621 {
622 	char *tmp;
623 	int i, rc = 0;
624 
625 	if (!card)
626 		return -EINVAL;
627 
628 	mutex_lock(&card->conf_mutex);
629 	if ((card->state != CARD_STATE_DOWN) &&
630 	    (card->state != CARD_STATE_RECOVER)) {
631 		rc = -EPERM;
632 		goto out;
633 	}
634 	i = simple_strtoul(buf, &tmp, 10);
635 	if (i <= max_value)
636 		*value = i;
637 	else
638 		rc = -EINVAL;
639 out:
640 	mutex_unlock(&card->conf_mutex);
641 	return rc ? rc : count;
642 }
643 
644 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
645 				struct device_attribute *attr, char *buf)
646 {
647 	struct qeth_card *card = dev_get_drvdata(dev);
648 
649 	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
650 }
651 
652 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
653 		struct device_attribute *attr, const char *buf, size_t count)
654 {
655 	struct qeth_card *card = dev_get_drvdata(dev);
656 
657 	return qeth_dev_blkt_store(card, buf, count,
658 				   &card->info.blkt.time_total, 5000);
659 }
660 
661 
662 
663 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
664 		   qeth_dev_blkt_total_store);
665 
666 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
667 				struct device_attribute *attr, char *buf)
668 {
669 	struct qeth_card *card = dev_get_drvdata(dev);
670 
671 	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
672 }
673 
674 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
675 		struct device_attribute *attr, const char *buf, size_t count)
676 {
677 	struct qeth_card *card = dev_get_drvdata(dev);
678 
679 	return qeth_dev_blkt_store(card, buf, count,
680 				   &card->info.blkt.inter_packet, 1000);
681 }
682 
683 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
684 		   qeth_dev_blkt_inter_store);
685 
686 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
687 				struct device_attribute *attr, char *buf)
688 {
689 	struct qeth_card *card = dev_get_drvdata(dev);
690 
691 	return qeth_dev_blkt_show(buf, card,
692 				  card->info.blkt.inter_packet_jumbo);
693 }
694 
695 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
696 		struct device_attribute *attr, const char *buf, size_t count)
697 {
698 	struct qeth_card *card = dev_get_drvdata(dev);
699 
700 	return qeth_dev_blkt_store(card, buf, count,
701 				   &card->info.blkt.inter_packet_jumbo, 1000);
702 }
703 
704 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
705 		   qeth_dev_blkt_inter_jumbo_store);
706 
707 static struct attribute *qeth_blkt_device_attrs[] = {
708 	&dev_attr_total.attr,
709 	&dev_attr_inter.attr,
710 	&dev_attr_inter_jumbo.attr,
711 	NULL,
712 };
713 const struct attribute_group qeth_device_blkt_group = {
714 	.name = "blkt",
715 	.attrs = qeth_blkt_device_attrs,
716 };
717 EXPORT_SYMBOL_GPL(qeth_device_blkt_group);
718 
719 static struct attribute *qeth_device_attrs[] = {
720 	&dev_attr_state.attr,
721 	&dev_attr_chpid.attr,
722 	&dev_attr_if_name.attr,
723 	&dev_attr_card_type.attr,
724 	&dev_attr_inbuf_size.attr,
725 	&dev_attr_portno.attr,
726 	&dev_attr_portname.attr,
727 	&dev_attr_priority_queueing.attr,
728 	&dev_attr_buffer_count.attr,
729 	&dev_attr_recover.attr,
730 	&dev_attr_performance_stats.attr,
731 	&dev_attr_layer2.attr,
732 	&dev_attr_isolation.attr,
733 	&dev_attr_hw_trap.attr,
734 	&dev_attr_switch_attrs.attr,
735 	NULL,
736 };
737 const struct attribute_group qeth_device_attr_group = {
738 	.attrs = qeth_device_attrs,
739 };
740 EXPORT_SYMBOL_GPL(qeth_device_attr_group);
741 
742 const struct attribute_group *qeth_generic_attr_groups[] = {
743 	&qeth_device_attr_group,
744 	&qeth_device_blkt_group,
745 	NULL,
746 };
747 
748 static struct attribute *qeth_osn_device_attrs[] = {
749 	&dev_attr_state.attr,
750 	&dev_attr_chpid.attr,
751 	&dev_attr_if_name.attr,
752 	&dev_attr_card_type.attr,
753 	&dev_attr_buffer_count.attr,
754 	&dev_attr_recover.attr,
755 	NULL,
756 };
757 static struct attribute_group qeth_osn_device_attr_group = {
758 	.attrs = qeth_osn_device_attrs,
759 };
760 const struct attribute_group *qeth_osn_attr_groups[] = {
761 	&qeth_osn_device_attr_group,
762 	NULL,
763 };
764