xref: /openbmc/linux/drivers/s390/net/qeth_core_sys.c (revision ca481398)
1 /*
2  *    Copyright IBM Corp. 2007
3  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4  *		 Frank Pavlic <fpavlic@de.ibm.com>,
5  *		 Thomas Spatzier <tspat@de.ibm.com>,
6  *		 Frank Blaschka <frank.blaschka@de.ibm.com>
7  */
8 
9 #define KMSG_COMPONENT "qeth"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
11 
12 #include <linux/list.h>
13 #include <linux/rwsem.h>
14 #include <asm/ebcdic.h>
15 
16 #include "qeth_core.h"
17 
18 static ssize_t qeth_dev_state_show(struct device *dev,
19 				struct device_attribute *attr, char *buf)
20 {
21 	struct qeth_card *card = dev_get_drvdata(dev);
22 	if (!card)
23 		return -EINVAL;
24 
25 	switch (card->state) {
26 	case CARD_STATE_DOWN:
27 		return sprintf(buf, "DOWN\n");
28 	case CARD_STATE_HARDSETUP:
29 		return sprintf(buf, "HARDSETUP\n");
30 	case CARD_STATE_SOFTSETUP:
31 		return sprintf(buf, "SOFTSETUP\n");
32 	case CARD_STATE_UP:
33 		if (card->lan_online)
34 		return sprintf(buf, "UP (LAN ONLINE)\n");
35 		else
36 			return sprintf(buf, "UP (LAN OFFLINE)\n");
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->info.portno);
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->info.portno = 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 (!card->options.layer2) {
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 (card->state != CARD_STATE_UP)
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, "%i\n", card->options.performance_stats ? 1:0);
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 	char *tmp;
347 	int i, rc = 0;
348 
349 	if (!card)
350 		return -EINVAL;
351 
352 	mutex_lock(&card->conf_mutex);
353 	i = simple_strtoul(buf, &tmp, 16);
354 	if ((i == 0) || (i == 1)) {
355 		if (i == card->options.performance_stats)
356 			goto out;
357 		card->options.performance_stats = i;
358 		if (i == 0)
359 			memset(&card->perf_stats, 0,
360 				sizeof(struct qeth_perf_stats));
361 		card->perf_stats.initial_rx_packets = card->stats.rx_packets;
362 		card->perf_stats.initial_tx_packets = card->stats.tx_packets;
363 	} else
364 		rc = -EINVAL;
365 out:
366 	mutex_unlock(&card->conf_mutex);
367 	return rc ? rc : count;
368 }
369 
370 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
371 		   qeth_dev_performance_stats_store);
372 
373 static ssize_t qeth_dev_layer2_show(struct device *dev,
374 		struct device_attribute *attr, char *buf)
375 {
376 	struct qeth_card *card = dev_get_drvdata(dev);
377 
378 	if (!card)
379 		return -EINVAL;
380 
381 	return sprintf(buf, "%i\n", card->options.layer2);
382 }
383 
384 static ssize_t qeth_dev_layer2_store(struct device *dev,
385 		struct device_attribute *attr, const char *buf, size_t count)
386 {
387 	struct qeth_card *card = dev_get_drvdata(dev);
388 	char *tmp;
389 	int i, rc = 0;
390 	enum qeth_discipline_id newdis;
391 
392 	if (!card)
393 		return -EINVAL;
394 
395 	mutex_lock(&card->discipline_mutex);
396 	if (card->state != CARD_STATE_DOWN) {
397 		rc = -EPERM;
398 		goto out;
399 	}
400 
401 	i = simple_strtoul(buf, &tmp, 16);
402 	switch (i) {
403 	case 0:
404 		newdis = QETH_DISCIPLINE_LAYER3;
405 		break;
406 	case 1:
407 		newdis = QETH_DISCIPLINE_LAYER2;
408 		break;
409 	default:
410 		rc = -EINVAL;
411 		goto out;
412 	}
413 
414 	if (card->options.layer2 == newdis)
415 		goto out;
416 	if (card->info.layer_enforced) {
417 		/* fixed layer, can't switch */
418 		rc = -EOPNOTSUPP;
419 		goto out;
420 	}
421 
422 	card->info.mac_bits = 0;
423 	if (card->discipline) {
424 		card->discipline->remove(card->gdev);
425 		qeth_core_free_discipline(card);
426 	}
427 
428 	rc = qeth_core_load_discipline(card, newdis);
429 	if (rc)
430 		goto out;
431 
432 	rc = card->discipline->setup(card->gdev);
433 	if (rc)
434 		qeth_core_free_discipline(card);
435 out:
436 	mutex_unlock(&card->discipline_mutex);
437 	return rc ? rc : count;
438 }
439 
440 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
441 		   qeth_dev_layer2_store);
442 
443 #define ATTR_QETH_ISOLATION_NONE	("none")
444 #define ATTR_QETH_ISOLATION_FWD		("forward")
445 #define ATTR_QETH_ISOLATION_DROP	("drop")
446 
447 static ssize_t qeth_dev_isolation_show(struct device *dev,
448 				struct device_attribute *attr, char *buf)
449 {
450 	struct qeth_card *card = dev_get_drvdata(dev);
451 
452 	if (!card)
453 		return -EINVAL;
454 
455 	switch (card->options.isolation) {
456 	case ISOLATION_MODE_NONE:
457 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
458 	case ISOLATION_MODE_FWD:
459 		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
460 	case ISOLATION_MODE_DROP:
461 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
462 	default:
463 		return snprintf(buf, 5, "%s\n", "N/A");
464 	}
465 }
466 
467 static ssize_t qeth_dev_isolation_store(struct device *dev,
468 		struct device_attribute *attr, const char *buf, size_t count)
469 {
470 	struct qeth_card *card = dev_get_drvdata(dev);
471 	enum qeth_ipa_isolation_modes isolation;
472 	int rc = 0;
473 
474 	if (!card)
475 		return -EINVAL;
476 
477 	mutex_lock(&card->conf_mutex);
478 	/* check for unknown, too, in case we do not yet know who we are */
479 	if (card->info.type != QETH_CARD_TYPE_OSD &&
480 	    card->info.type != QETH_CARD_TYPE_OSX &&
481 	    card->info.type != QETH_CARD_TYPE_UNKNOWN) {
482 		rc = -EOPNOTSUPP;
483 		dev_err(&card->gdev->dev, "Adapter does not "
484 			"support QDIO data connection isolation\n");
485 		goto out;
486 	}
487 
488 	/* parse input into isolation mode */
489 	if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
490 		isolation = ISOLATION_MODE_NONE;
491 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
492 		isolation = ISOLATION_MODE_FWD;
493 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
494 		isolation = ISOLATION_MODE_DROP;
495 	} else {
496 		rc = -EINVAL;
497 		goto out;
498 	}
499 	rc = count;
500 
501 	/* defer IP assist if device is offline (until discipline->set_online)*/
502 	card->options.prev_isolation = card->options.isolation;
503 	card->options.isolation = isolation;
504 	if (qeth_card_hw_is_reachable(card)) {
505 		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
506 		if (ipa_rc != 0)
507 			rc = ipa_rc;
508 	}
509 out:
510 	mutex_unlock(&card->conf_mutex);
511 	return rc;
512 }
513 
514 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
515 			qeth_dev_isolation_store);
516 
517 static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
518 				struct device_attribute *attr, char *buf)
519 {
520 	struct qeth_card *card = dev_get_drvdata(dev);
521 	struct qeth_switch_info sw_info;
522 	int	rc = 0;
523 
524 	if (!card)
525 		return -EINVAL;
526 
527 	if (!qeth_card_hw_is_reachable(card))
528 		return sprintf(buf, "n/a\n");
529 
530 	rc = qeth_query_switch_attributes(card, &sw_info);
531 	if (rc)
532 		return rc;
533 
534 	if (!sw_info.capabilities)
535 		rc = sprintf(buf, "unknown");
536 
537 	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
538 		rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
539 							"[802.1]" : "802.1"));
540 	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
541 		rc += sprintf(buf + rc,
542 			(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
543 							" [rr]" : " rr"));
544 	rc += sprintf(buf + rc, "\n");
545 
546 	return rc;
547 }
548 
549 static DEVICE_ATTR(switch_attrs, 0444,
550 		   qeth_dev_switch_attrs_show, NULL);
551 
552 static ssize_t qeth_hw_trap_show(struct device *dev,
553 				struct device_attribute *attr, char *buf)
554 {
555 	struct qeth_card *card = dev_get_drvdata(dev);
556 
557 	if (!card)
558 		return -EINVAL;
559 	if (card->info.hwtrap)
560 		return snprintf(buf, 5, "arm\n");
561 	else
562 		return snprintf(buf, 8, "disarm\n");
563 }
564 
565 static ssize_t qeth_hw_trap_store(struct device *dev,
566 		struct device_attribute *attr, const char *buf, size_t count)
567 {
568 	struct qeth_card *card = dev_get_drvdata(dev);
569 	int rc = 0;
570 	int state = 0;
571 
572 	if (!card)
573 		return -EINVAL;
574 
575 	mutex_lock(&card->conf_mutex);
576 	if (qeth_card_hw_is_reachable(card))
577 		state = 1;
578 
579 	if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
580 		if (state) {
581 			if (qeth_is_diagass_supported(card,
582 			    QETH_DIAGS_CMD_TRAP)) {
583 				rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
584 				if (!rc)
585 					card->info.hwtrap = 1;
586 			} else
587 				rc = -EINVAL;
588 		} else
589 			card->info.hwtrap = 1;
590 	} else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
591 		if (state) {
592 			rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
593 			if (!rc)
594 				card->info.hwtrap = 0;
595 		} else
596 			card->info.hwtrap = 0;
597 	} else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
598 		rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
599 	else
600 		rc = -EINVAL;
601 
602 	mutex_unlock(&card->conf_mutex);
603 	return rc ? rc : count;
604 }
605 
606 static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
607 		   qeth_hw_trap_store);
608 
609 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
610 {
611 
612 	if (!card)
613 		return -EINVAL;
614 
615 	return sprintf(buf, "%i\n", value);
616 }
617 
618 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
619 		const char *buf, size_t count, int *value, int max_value)
620 {
621 	char *tmp;
622 	int i, rc = 0;
623 
624 	if (!card)
625 		return -EINVAL;
626 
627 	mutex_lock(&card->conf_mutex);
628 	if ((card->state != CARD_STATE_DOWN) &&
629 	    (card->state != CARD_STATE_RECOVER)) {
630 		rc = -EPERM;
631 		goto out;
632 	}
633 	i = simple_strtoul(buf, &tmp, 10);
634 	if (i <= max_value)
635 		*value = i;
636 	else
637 		rc = -EINVAL;
638 out:
639 	mutex_unlock(&card->conf_mutex);
640 	return rc ? rc : count;
641 }
642 
643 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
644 				struct device_attribute *attr, char *buf)
645 {
646 	struct qeth_card *card = dev_get_drvdata(dev);
647 
648 	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
649 }
650 
651 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
652 		struct device_attribute *attr, const char *buf, size_t count)
653 {
654 	struct qeth_card *card = dev_get_drvdata(dev);
655 
656 	return qeth_dev_blkt_store(card, buf, count,
657 				   &card->info.blkt.time_total, 5000);
658 }
659 
660 
661 
662 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
663 		   qeth_dev_blkt_total_store);
664 
665 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
666 				struct device_attribute *attr, char *buf)
667 {
668 	struct qeth_card *card = dev_get_drvdata(dev);
669 
670 	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
671 }
672 
673 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
674 		struct device_attribute *attr, const char *buf, size_t count)
675 {
676 	struct qeth_card *card = dev_get_drvdata(dev);
677 
678 	return qeth_dev_blkt_store(card, buf, count,
679 				   &card->info.blkt.inter_packet, 1000);
680 }
681 
682 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
683 		   qeth_dev_blkt_inter_store);
684 
685 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
686 				struct device_attribute *attr, char *buf)
687 {
688 	struct qeth_card *card = dev_get_drvdata(dev);
689 
690 	return qeth_dev_blkt_show(buf, card,
691 				  card->info.blkt.inter_packet_jumbo);
692 }
693 
694 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
695 		struct device_attribute *attr, const char *buf, size_t count)
696 {
697 	struct qeth_card *card = dev_get_drvdata(dev);
698 
699 	return qeth_dev_blkt_store(card, buf, count,
700 				   &card->info.blkt.inter_packet_jumbo, 1000);
701 }
702 
703 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
704 		   qeth_dev_blkt_inter_jumbo_store);
705 
706 static struct attribute *qeth_blkt_device_attrs[] = {
707 	&dev_attr_total.attr,
708 	&dev_attr_inter.attr,
709 	&dev_attr_inter_jumbo.attr,
710 	NULL,
711 };
712 const struct attribute_group qeth_device_blkt_group = {
713 	.name = "blkt",
714 	.attrs = qeth_blkt_device_attrs,
715 };
716 EXPORT_SYMBOL_GPL(qeth_device_blkt_group);
717 
718 static struct attribute *qeth_device_attrs[] = {
719 	&dev_attr_state.attr,
720 	&dev_attr_chpid.attr,
721 	&dev_attr_if_name.attr,
722 	&dev_attr_card_type.attr,
723 	&dev_attr_inbuf_size.attr,
724 	&dev_attr_portno.attr,
725 	&dev_attr_portname.attr,
726 	&dev_attr_priority_queueing.attr,
727 	&dev_attr_buffer_count.attr,
728 	&dev_attr_recover.attr,
729 	&dev_attr_performance_stats.attr,
730 	&dev_attr_layer2.attr,
731 	&dev_attr_isolation.attr,
732 	&dev_attr_hw_trap.attr,
733 	&dev_attr_switch_attrs.attr,
734 	NULL,
735 };
736 const struct attribute_group qeth_device_attr_group = {
737 	.attrs = qeth_device_attrs,
738 };
739 EXPORT_SYMBOL_GPL(qeth_device_attr_group);
740 
741 const struct attribute_group *qeth_generic_attr_groups[] = {
742 	&qeth_device_attr_group,
743 	&qeth_device_blkt_group,
744 	NULL,
745 };
746 
747 static struct attribute *qeth_osn_device_attrs[] = {
748 	&dev_attr_state.attr,
749 	&dev_attr_chpid.attr,
750 	&dev_attr_if_name.attr,
751 	&dev_attr_card_type.attr,
752 	&dev_attr_buffer_count.attr,
753 	&dev_attr_recover.attr,
754 	NULL,
755 };
756 static struct attribute_group qeth_osn_device_attr_group = {
757 	.attrs = qeth_osn_device_attrs,
758 };
759 const struct attribute_group *qeth_osn_attr_groups[] = {
760 	&qeth_osn_device_attr_group,
761 	NULL,
762 };
763