xref: /linux/drivers/s390/net/qeth_core_sys.c (revision a5d9265e017f081f0dc133c0e2f45103d027b874)
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 		return sprintf(buf, "UP (LAN %s)\n",
35 			       netif_carrier_ok(card->dev) ? "ONLINE" :
36 							     "OFFLINE");
37 	case CARD_STATE_RECOVER:
38 		return sprintf(buf, "RECOVER\n");
39 	default:
40 		return sprintf(buf, "UNKNOWN\n");
41 	}
42 }
43 
44 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
45 
46 static ssize_t qeth_dev_chpid_show(struct device *dev,
47 				struct device_attribute *attr, char *buf)
48 {
49 	struct qeth_card *card = dev_get_drvdata(dev);
50 	if (!card)
51 		return -EINVAL;
52 
53 	return sprintf(buf, "%02X\n", card->info.chpid);
54 }
55 
56 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
57 
58 static ssize_t qeth_dev_if_name_show(struct device *dev,
59 				struct device_attribute *attr, char *buf)
60 {
61 	struct qeth_card *card = dev_get_drvdata(dev);
62 	if (!card)
63 		return -EINVAL;
64 	return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
65 }
66 
67 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
68 
69 static ssize_t qeth_dev_card_type_show(struct device *dev,
70 				struct device_attribute *attr, char *buf)
71 {
72 	struct qeth_card *card = dev_get_drvdata(dev);
73 	if (!card)
74 		return -EINVAL;
75 
76 	return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
77 }
78 
79 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
80 
81 static const char *qeth_get_bufsize_str(struct qeth_card *card)
82 {
83 	if (card->qdio.in_buf_size == 16384)
84 		return "16k";
85 	else if (card->qdio.in_buf_size == 24576)
86 		return "24k";
87 	else if (card->qdio.in_buf_size == 32768)
88 		return "32k";
89 	else if (card->qdio.in_buf_size == 40960)
90 		return "40k";
91 	else
92 		return "64k";
93 }
94 
95 static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
96 				struct device_attribute *attr, char *buf)
97 {
98 	struct qeth_card *card = dev_get_drvdata(dev);
99 	if (!card)
100 		return -EINVAL;
101 
102 	return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
103 }
104 
105 static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
106 
107 static ssize_t qeth_dev_portno_show(struct device *dev,
108 			struct device_attribute *attr, char *buf)
109 {
110 	struct qeth_card *card = dev_get_drvdata(dev);
111 	if (!card)
112 		return -EINVAL;
113 
114 	return sprintf(buf, "%i\n", card->dev->dev_port);
115 }
116 
117 static ssize_t qeth_dev_portno_store(struct device *dev,
118 		struct device_attribute *attr, const char *buf, size_t count)
119 {
120 	struct qeth_card *card = dev_get_drvdata(dev);
121 	char *tmp;
122 	unsigned int portno, limit;
123 	int rc = 0;
124 
125 	if (!card)
126 		return -EINVAL;
127 
128 	mutex_lock(&card->conf_mutex);
129 	if ((card->state != CARD_STATE_DOWN) &&
130 	    (card->state != CARD_STATE_RECOVER)) {
131 		rc = -EPERM;
132 		goto out;
133 	}
134 
135 	portno = simple_strtoul(buf, &tmp, 16);
136 	if (portno > QETH_MAX_PORTNO) {
137 		rc = -EINVAL;
138 		goto out;
139 	}
140 	limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
141 	if (portno > limit) {
142 		rc = -EINVAL;
143 		goto out;
144 	}
145 	card->dev->dev_port = portno;
146 out:
147 	mutex_unlock(&card->conf_mutex);
148 	return rc ? rc : count;
149 }
150 
151 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
152 
153 static ssize_t qeth_dev_portname_show(struct device *dev,
154 				struct device_attribute *attr, char *buf)
155 {
156 	return sprintf(buf, "no portname required\n");
157 }
158 
159 static ssize_t qeth_dev_portname_store(struct device *dev,
160 		struct device_attribute *attr, const char *buf, size_t count)
161 {
162 	struct qeth_card *card = dev_get_drvdata(dev);
163 
164 	dev_warn_once(&card->gdev->dev,
165 		      "portname is deprecated and is ignored\n");
166 	return count;
167 }
168 
169 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
170 		qeth_dev_portname_store);
171 
172 static ssize_t qeth_dev_prioqing_show(struct device *dev,
173 				struct device_attribute *attr, char *buf)
174 {
175 	struct qeth_card *card = dev_get_drvdata(dev);
176 
177 	if (!card)
178 		return -EINVAL;
179 
180 	switch (card->qdio.do_prio_queueing) {
181 	case QETH_PRIO_Q_ING_PREC:
182 		return sprintf(buf, "%s\n", "by precedence");
183 	case QETH_PRIO_Q_ING_TOS:
184 		return sprintf(buf, "%s\n", "by type of service");
185 	case QETH_PRIO_Q_ING_SKB:
186 		return sprintf(buf, "%s\n", "by skb-priority");
187 	case QETH_PRIO_Q_ING_VLAN:
188 		return sprintf(buf, "%s\n", "by VLAN headers");
189 	default:
190 		return sprintf(buf, "always queue %i\n",
191 			       card->qdio.default_out_queue);
192 	}
193 }
194 
195 static ssize_t qeth_dev_prioqing_store(struct device *dev,
196 		struct device_attribute *attr, const char *buf, size_t count)
197 {
198 	struct qeth_card *card = dev_get_drvdata(dev);
199 	int rc = 0;
200 
201 	if (!card)
202 		return -EINVAL;
203 
204 	mutex_lock(&card->conf_mutex);
205 	if ((card->state != CARD_STATE_DOWN) &&
206 	    (card->state != CARD_STATE_RECOVER)) {
207 		rc = -EPERM;
208 		goto out;
209 	}
210 
211 	/* check if 1920 devices are supported ,
212 	 * if though we have to permit priority queueing
213 	 */
214 	if (card->qdio.no_out_queues == 1) {
215 		card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
216 		rc = -EPERM;
217 		goto out;
218 	}
219 
220 	if (sysfs_streq(buf, "prio_queueing_prec")) {
221 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
222 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
223 	} else if (sysfs_streq(buf, "prio_queueing_skb")) {
224 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
225 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
226 	} else if (sysfs_streq(buf, "prio_queueing_tos")) {
227 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
228 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
229 	} else if (sysfs_streq(buf, "prio_queueing_vlan")) {
230 		if (IS_LAYER3(card)) {
231 			rc = -ENOTSUPP;
232 			goto out;
233 		}
234 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
235 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
236 	} else if (sysfs_streq(buf, "no_prio_queueing:0")) {
237 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
238 		card->qdio.default_out_queue = 0;
239 	} else if (sysfs_streq(buf, "no_prio_queueing:1")) {
240 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
241 		card->qdio.default_out_queue = 1;
242 	} else if (sysfs_streq(buf, "no_prio_queueing:2")) {
243 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
244 		card->qdio.default_out_queue = 2;
245 	} else if (sysfs_streq(buf, "no_prio_queueing:3")) {
246 		if (card->info.type == QETH_CARD_TYPE_IQD) {
247 			rc = -EPERM;
248 			goto out;
249 		}
250 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
251 		card->qdio.default_out_queue = 3;
252 	} else if (sysfs_streq(buf, "no_prio_queueing")) {
253 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
254 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
255 	} else
256 		rc = -EINVAL;
257 out:
258 	mutex_unlock(&card->conf_mutex);
259 	return rc ? rc : count;
260 }
261 
262 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
263 		qeth_dev_prioqing_store);
264 
265 static ssize_t qeth_dev_bufcnt_show(struct device *dev,
266 				struct device_attribute *attr, char *buf)
267 {
268 	struct qeth_card *card = dev_get_drvdata(dev);
269 
270 	if (!card)
271 		return -EINVAL;
272 
273 	return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
274 }
275 
276 static ssize_t qeth_dev_bufcnt_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 	char *tmp;
281 	int cnt, old_cnt;
282 	int rc = 0;
283 
284 	if (!card)
285 		return -EINVAL;
286 
287 	mutex_lock(&card->conf_mutex);
288 	if ((card->state != CARD_STATE_DOWN) &&
289 	    (card->state != CARD_STATE_RECOVER)) {
290 		rc = -EPERM;
291 		goto out;
292 	}
293 
294 	old_cnt = card->qdio.in_buf_pool.buf_count;
295 	cnt = simple_strtoul(buf, &tmp, 10);
296 	cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
297 		((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
298 	if (old_cnt != cnt) {
299 		rc = qeth_realloc_buffer_pool(card, cnt);
300 	}
301 out:
302 	mutex_unlock(&card->conf_mutex);
303 	return rc ? rc : count;
304 }
305 
306 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
307 		qeth_dev_bufcnt_store);
308 
309 static ssize_t qeth_dev_recover_store(struct device *dev,
310 		struct device_attribute *attr, const char *buf, size_t count)
311 {
312 	struct qeth_card *card = dev_get_drvdata(dev);
313 	char *tmp;
314 	int i;
315 
316 	if (!card)
317 		return -EINVAL;
318 
319 	if (!qeth_card_hw_is_reachable(card))
320 		return -EPERM;
321 
322 	i = simple_strtoul(buf, &tmp, 16);
323 	if (i == 1)
324 		qeth_schedule_recovery(card);
325 
326 	return count;
327 }
328 
329 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
330 
331 static ssize_t qeth_dev_performance_stats_show(struct device *dev,
332 				struct device_attribute *attr, char *buf)
333 {
334 	struct qeth_card *card = dev_get_drvdata(dev);
335 
336 	if (!card)
337 		return -EINVAL;
338 
339 	return sprintf(buf, "1\n");
340 }
341 
342 static ssize_t qeth_dev_performance_stats_store(struct device *dev,
343 		struct device_attribute *attr, const char *buf, size_t count)
344 {
345 	struct qeth_card *card = dev_get_drvdata(dev);
346 	struct qeth_qdio_out_q *queue;
347 	unsigned int i;
348 	bool reset;
349 	int rc;
350 
351 	if (!card)
352 		return -EINVAL;
353 
354 	rc = kstrtobool(buf, &reset);
355 	if (rc)
356 		return rc;
357 
358 	if (reset) {
359 		memset(&card->stats, 0, sizeof(card->stats));
360 		for (i = 0; i < card->qdio.no_out_queues; i++) {
361 			queue = card->qdio.out_qs[i];
362 			if (!queue)
363 				break;
364 			memset(&queue->stats, 0, sizeof(queue->stats));
365 		}
366 	}
367 
368 	return count;
369 }
370 
371 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
372 		   qeth_dev_performance_stats_store);
373 
374 static ssize_t qeth_dev_layer2_show(struct device *dev,
375 		struct device_attribute *attr, char *buf)
376 {
377 	struct qeth_card *card = dev_get_drvdata(dev);
378 
379 	if (!card)
380 		return -EINVAL;
381 
382 	return sprintf(buf, "%i\n", card->options.layer);
383 }
384 
385 static ssize_t qeth_dev_layer2_store(struct device *dev,
386 		struct device_attribute *attr, const char *buf, size_t count)
387 {
388 	struct qeth_card *card = dev_get_drvdata(dev);
389 	struct net_device *ndev;
390 	char *tmp;
391 	int i, rc = 0;
392 	enum qeth_discipline_id newdis;
393 
394 	if (!card)
395 		return -EINVAL;
396 
397 	mutex_lock(&card->discipline_mutex);
398 	if (card->state != CARD_STATE_DOWN) {
399 		rc = -EPERM;
400 		goto out;
401 	}
402 
403 	i = simple_strtoul(buf, &tmp, 16);
404 	switch (i) {
405 	case 0:
406 		newdis = QETH_DISCIPLINE_LAYER3;
407 		break;
408 	case 1:
409 		newdis = QETH_DISCIPLINE_LAYER2;
410 		break;
411 	default:
412 		rc = -EINVAL;
413 		goto out;
414 	}
415 
416 	if (card->options.layer == newdis)
417 		goto out;
418 	if (card->info.layer_enforced) {
419 		/* fixed layer, can't switch */
420 		rc = -EOPNOTSUPP;
421 		goto out;
422 	}
423 
424 	card->info.mac_bits = 0;
425 	if (card->discipline) {
426 		/* start with a new, pristine netdevice: */
427 		ndev = qeth_clone_netdev(card->dev);
428 		if (!ndev) {
429 			rc = -ENOMEM;
430 			goto out;
431 		}
432 
433 		card->discipline->remove(card->gdev);
434 		qeth_core_free_discipline(card);
435 		free_netdev(card->dev);
436 		card->dev = ndev;
437 	}
438 
439 	rc = qeth_core_load_discipline(card, newdis);
440 	if (rc)
441 		goto out;
442 
443 	rc = card->discipline->setup(card->gdev);
444 	if (rc)
445 		qeth_core_free_discipline(card);
446 out:
447 	mutex_unlock(&card->discipline_mutex);
448 	return rc ? rc : count;
449 }
450 
451 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
452 		   qeth_dev_layer2_store);
453 
454 #define ATTR_QETH_ISOLATION_NONE	("none")
455 #define ATTR_QETH_ISOLATION_FWD		("forward")
456 #define ATTR_QETH_ISOLATION_DROP	("drop")
457 
458 static ssize_t qeth_dev_isolation_show(struct device *dev,
459 				struct device_attribute *attr, char *buf)
460 {
461 	struct qeth_card *card = dev_get_drvdata(dev);
462 
463 	if (!card)
464 		return -EINVAL;
465 
466 	switch (card->options.isolation) {
467 	case ISOLATION_MODE_NONE:
468 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
469 	case ISOLATION_MODE_FWD:
470 		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
471 	case ISOLATION_MODE_DROP:
472 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
473 	default:
474 		return snprintf(buf, 5, "%s\n", "N/A");
475 	}
476 }
477 
478 static ssize_t qeth_dev_isolation_store(struct device *dev,
479 		struct device_attribute *attr, const char *buf, size_t count)
480 {
481 	struct qeth_card *card = dev_get_drvdata(dev);
482 	enum qeth_ipa_isolation_modes isolation;
483 	int rc = 0;
484 
485 	if (!card)
486 		return -EINVAL;
487 
488 	mutex_lock(&card->conf_mutex);
489 	if (card->info.type != QETH_CARD_TYPE_OSD &&
490 	    card->info.type != QETH_CARD_TYPE_OSX) {
491 		rc = -EOPNOTSUPP;
492 		dev_err(&card->gdev->dev, "Adapter does not "
493 			"support QDIO data connection isolation\n");
494 		goto out;
495 	}
496 
497 	/* parse input into isolation mode */
498 	if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
499 		isolation = ISOLATION_MODE_NONE;
500 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
501 		isolation = ISOLATION_MODE_FWD;
502 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
503 		isolation = ISOLATION_MODE_DROP;
504 	} else {
505 		rc = -EINVAL;
506 		goto out;
507 	}
508 	rc = count;
509 
510 	/* defer IP assist if device is offline (until discipline->set_online)*/
511 	card->options.prev_isolation = card->options.isolation;
512 	card->options.isolation = isolation;
513 	if (qeth_card_hw_is_reachable(card)) {
514 		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
515 		if (ipa_rc != 0)
516 			rc = ipa_rc;
517 	}
518 out:
519 	mutex_unlock(&card->conf_mutex);
520 	return rc;
521 }
522 
523 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
524 			qeth_dev_isolation_store);
525 
526 static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
527 				struct device_attribute *attr, char *buf)
528 {
529 	struct qeth_card *card = dev_get_drvdata(dev);
530 	struct qeth_switch_info sw_info;
531 	int	rc = 0;
532 
533 	if (!card)
534 		return -EINVAL;
535 
536 	if (!qeth_card_hw_is_reachable(card))
537 		return sprintf(buf, "n/a\n");
538 
539 	rc = qeth_query_switch_attributes(card, &sw_info);
540 	if (rc)
541 		return rc;
542 
543 	if (!sw_info.capabilities)
544 		rc = sprintf(buf, "unknown");
545 
546 	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
547 		rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
548 							"[802.1]" : "802.1"));
549 	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
550 		rc += sprintf(buf + rc,
551 			(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
552 							" [rr]" : " rr"));
553 	rc += sprintf(buf + rc, "\n");
554 
555 	return rc;
556 }
557 
558 static DEVICE_ATTR(switch_attrs, 0444,
559 		   qeth_dev_switch_attrs_show, NULL);
560 
561 static ssize_t qeth_hw_trap_show(struct device *dev,
562 				struct device_attribute *attr, char *buf)
563 {
564 	struct qeth_card *card = dev_get_drvdata(dev);
565 
566 	if (!card)
567 		return -EINVAL;
568 	if (card->info.hwtrap)
569 		return snprintf(buf, 5, "arm\n");
570 	else
571 		return snprintf(buf, 8, "disarm\n");
572 }
573 
574 static ssize_t qeth_hw_trap_store(struct device *dev,
575 		struct device_attribute *attr, const char *buf, size_t count)
576 {
577 	struct qeth_card *card = dev_get_drvdata(dev);
578 	int rc = 0;
579 	int state = 0;
580 
581 	if (!card)
582 		return -EINVAL;
583 
584 	mutex_lock(&card->conf_mutex);
585 	if (qeth_card_hw_is_reachable(card))
586 		state = 1;
587 
588 	if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
589 		if (state) {
590 			if (qeth_is_diagass_supported(card,
591 			    QETH_DIAGS_CMD_TRAP)) {
592 				rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
593 				if (!rc)
594 					card->info.hwtrap = 1;
595 			} else
596 				rc = -EINVAL;
597 		} else
598 			card->info.hwtrap = 1;
599 	} else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
600 		if (state) {
601 			rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
602 			if (!rc)
603 				card->info.hwtrap = 0;
604 		} else
605 			card->info.hwtrap = 0;
606 	} else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
607 		rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
608 	else
609 		rc = -EINVAL;
610 
611 	mutex_unlock(&card->conf_mutex);
612 	return rc ? rc : count;
613 }
614 
615 static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
616 		   qeth_hw_trap_store);
617 
618 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
619 {
620 
621 	if (!card)
622 		return -EINVAL;
623 
624 	return sprintf(buf, "%i\n", value);
625 }
626 
627 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
628 		const char *buf, size_t count, int *value, int max_value)
629 {
630 	char *tmp;
631 	int i, rc = 0;
632 
633 	if (!card)
634 		return -EINVAL;
635 
636 	mutex_lock(&card->conf_mutex);
637 	if ((card->state != CARD_STATE_DOWN) &&
638 	    (card->state != CARD_STATE_RECOVER)) {
639 		rc = -EPERM;
640 		goto out;
641 	}
642 	i = simple_strtoul(buf, &tmp, 10);
643 	if (i <= max_value)
644 		*value = i;
645 	else
646 		rc = -EINVAL;
647 out:
648 	mutex_unlock(&card->conf_mutex);
649 	return rc ? rc : count;
650 }
651 
652 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
653 				struct device_attribute *attr, char *buf)
654 {
655 	struct qeth_card *card = dev_get_drvdata(dev);
656 
657 	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
658 }
659 
660 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
661 		struct device_attribute *attr, const char *buf, size_t count)
662 {
663 	struct qeth_card *card = dev_get_drvdata(dev);
664 
665 	return qeth_dev_blkt_store(card, buf, count,
666 				   &card->info.blkt.time_total, 5000);
667 }
668 
669 
670 
671 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
672 		   qeth_dev_blkt_total_store);
673 
674 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
675 				struct device_attribute *attr, char *buf)
676 {
677 	struct qeth_card *card = dev_get_drvdata(dev);
678 
679 	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
680 }
681 
682 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
683 		struct device_attribute *attr, const char *buf, size_t count)
684 {
685 	struct qeth_card *card = dev_get_drvdata(dev);
686 
687 	return qeth_dev_blkt_store(card, buf, count,
688 				   &card->info.blkt.inter_packet, 1000);
689 }
690 
691 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
692 		   qeth_dev_blkt_inter_store);
693 
694 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
695 				struct device_attribute *attr, char *buf)
696 {
697 	struct qeth_card *card = dev_get_drvdata(dev);
698 
699 	return qeth_dev_blkt_show(buf, card,
700 				  card->info.blkt.inter_packet_jumbo);
701 }
702 
703 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
704 		struct device_attribute *attr, const char *buf, size_t count)
705 {
706 	struct qeth_card *card = dev_get_drvdata(dev);
707 
708 	return qeth_dev_blkt_store(card, buf, count,
709 				   &card->info.blkt.inter_packet_jumbo, 1000);
710 }
711 
712 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
713 		   qeth_dev_blkt_inter_jumbo_store);
714 
715 static struct attribute *qeth_blkt_device_attrs[] = {
716 	&dev_attr_total.attr,
717 	&dev_attr_inter.attr,
718 	&dev_attr_inter_jumbo.attr,
719 	NULL,
720 };
721 const struct attribute_group qeth_device_blkt_group = {
722 	.name = "blkt",
723 	.attrs = qeth_blkt_device_attrs,
724 };
725 EXPORT_SYMBOL_GPL(qeth_device_blkt_group);
726 
727 static struct attribute *qeth_device_attrs[] = {
728 	&dev_attr_state.attr,
729 	&dev_attr_chpid.attr,
730 	&dev_attr_if_name.attr,
731 	&dev_attr_card_type.attr,
732 	&dev_attr_inbuf_size.attr,
733 	&dev_attr_portno.attr,
734 	&dev_attr_portname.attr,
735 	&dev_attr_priority_queueing.attr,
736 	&dev_attr_buffer_count.attr,
737 	&dev_attr_recover.attr,
738 	&dev_attr_performance_stats.attr,
739 	&dev_attr_layer2.attr,
740 	&dev_attr_isolation.attr,
741 	&dev_attr_hw_trap.attr,
742 	&dev_attr_switch_attrs.attr,
743 	NULL,
744 };
745 const struct attribute_group qeth_device_attr_group = {
746 	.attrs = qeth_device_attrs,
747 };
748 EXPORT_SYMBOL_GPL(qeth_device_attr_group);
749 
750 const struct attribute_group *qeth_generic_attr_groups[] = {
751 	&qeth_device_attr_group,
752 	&qeth_device_blkt_group,
753 	NULL,
754 };
755 
756 static struct attribute *qeth_osn_device_attrs[] = {
757 	&dev_attr_state.attr,
758 	&dev_attr_chpid.attr,
759 	&dev_attr_if_name.attr,
760 	&dev_attr_card_type.attr,
761 	&dev_attr_buffer_count.attr,
762 	&dev_attr_recover.attr,
763 	NULL,
764 };
765 static struct attribute_group qeth_osn_device_attr_group = {
766 	.attrs = qeth_osn_device_attrs,
767 };
768 const struct attribute_group *qeth_osn_attr_groups[] = {
769 	&qeth_osn_device_attr_group,
770 	NULL,
771 };
772