qeth_core_sys.c 19.6 KB
Newer Older
F
Frank Blaschka 已提交
1 2 3 4 5 6 7 8
/*
 *    Copyright IBM Corp. 2007
 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 *		 Frank Pavlic <fpavlic@de.ibm.com>,
 *		 Thomas Spatzier <tspat@de.ibm.com>,
 *		 Frank Blaschka <frank.blaschka@de.ibm.com>
 */

9 10 11
#define KMSG_COMPONENT "qeth"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

F
Frank Blaschka 已提交
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
#include <linux/list.h>
#include <linux/rwsem.h>
#include <asm/ebcdic.h>

#include "qeth_core.h"

static ssize_t qeth_dev_state_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;

	switch (card->state) {
	case CARD_STATE_DOWN:
		return sprintf(buf, "DOWN\n");
	case CARD_STATE_HARDSETUP:
		return sprintf(buf, "HARDSETUP\n");
	case CARD_STATE_SOFTSETUP:
		return sprintf(buf, "SOFTSETUP\n");
	case CARD_STATE_UP:
		if (card->lan_online)
		return sprintf(buf, "UP (LAN ONLINE)\n");
		else
			return sprintf(buf, "UP (LAN OFFLINE)\n");
	case CARD_STATE_RECOVER:
		return sprintf(buf, "RECOVER\n");
	default:
		return sprintf(buf, "UNKNOWN\n");
	}
}

static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);

static ssize_t qeth_dev_chpid_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;

	return sprintf(buf, "%02X\n", card->info.chpid);
}

static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);

static ssize_t qeth_dev_if_name_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;
	return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
}

static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);

static ssize_t qeth_dev_card_type_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;

	return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
}

static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);

static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
{
	if (card->qdio.in_buf_size == 16384)
		return "16k";
	else if (card->qdio.in_buf_size == 24576)
		return "24k";
	else if (card->qdio.in_buf_size == 32768)
		return "32k";
	else if (card->qdio.in_buf_size == 40960)
		return "40k";
	else
		return "64k";
}

static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;

	return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
}

static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);

static ssize_t qeth_dev_portno_show(struct device *dev,
			struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->info.portno);
}

static ssize_t qeth_dev_portno_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
122
	unsigned int portno, limit;
123
	int rc = 0;
F
Frank Blaschka 已提交
124 125 126 127

	if (!card)
		return -EINVAL;

128
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
129
	if ((card->state != CARD_STATE_DOWN) &&
130 131 132 133
	    (card->state != CARD_STATE_RECOVER)) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
134 135

	portno = simple_strtoul(buf, &tmp, 16);
136 137 138 139
	if (portno > QETH_MAX_PORTNO) {
		rc = -EINVAL;
		goto out;
	}
140
	limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
141 142 143 144
	if (portno > limit) {
		rc = -EINVAL;
		goto out;
	}
F
Frank Blaschka 已提交
145
	card->info.portno = portno;
146 147 148
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
}

static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);

static ssize_t qeth_dev_portname_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char portname[9] = {0, };

	if (!card)
		return -EINVAL;

	if (card->info.portname_required) {
		memcpy(portname, card->info.portname + 1, 8);
		EBCASC(portname, 8);
		return sprintf(buf, "%s\n", portname);
	} else
		return sprintf(buf, "no portname required\n");
}

static ssize_t qeth_dev_portname_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
175
	int i, rc = 0;
F
Frank Blaschka 已提交
176 177 178 179

	if (!card)
		return -EINVAL;

180
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
181
	if ((card->state != CARD_STATE_DOWN) &&
182 183 184 185
	    (card->state != CARD_STATE_RECOVER)) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
186 187

	tmp = strsep((char **) &buf, "\n");
188 189 190 191
	if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
		rc = -EINVAL;
		goto out;
	}
F
Frank Blaschka 已提交
192 193 194 195 196 197 198

	card->info.portname[0] = strlen(tmp);
	/* for beauty reasons */
	for (i = 1; i < 9; i++)
		card->info.portname[i] = ' ';
	strcpy(card->info.portname + 1, tmp);
	ASCEBC(card->info.portname + 1, 8);
199 200 201
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
}

static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
		qeth_dev_portname_store);

static ssize_t qeth_dev_prioqing_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;

	switch (card->qdio.do_prio_queueing) {
	case QETH_PRIO_Q_ING_PREC:
		return sprintf(buf, "%s\n", "by precedence");
	case QETH_PRIO_Q_ING_TOS:
		return sprintf(buf, "%s\n", "by type of service");
220 221 222 223
	case QETH_PRIO_Q_ING_SKB:
		return sprintf(buf, "%s\n", "by skb-priority");
	case QETH_PRIO_Q_ING_VLAN:
		return sprintf(buf, "%s\n", "by VLAN headers");
F
Frank Blaschka 已提交
224 225 226 227 228 229 230 231 232 233 234
	default:
		return sprintf(buf, "always queue %i\n",
			       card->qdio.default_out_queue);
	}
}

static ssize_t qeth_dev_prioqing_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
235
	int rc = 0;
F
Frank Blaschka 已提交
236 237 238 239

	if (!card)
		return -EINVAL;

240
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
241
	if ((card->state != CARD_STATE_DOWN) &&
242 243 244 245
	    (card->state != CARD_STATE_RECOVER)) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
246 247 248 249 250 251

	/* check if 1920 devices are supported ,
	 * if though we have to permit priority queueing
	 */
	if (card->qdio.no_out_queues == 1) {
		card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
252 253
		rc = -EPERM;
		goto out;
F
Frank Blaschka 已提交
254 255 256
	}

	tmp = strsep((char **) &buf, "\n");
257
	if (!strcmp(tmp, "prio_queueing_prec")) {
F
Frank Blaschka 已提交
258
		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
259
		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
260 261 262
	} else if (!strcmp(tmp, "prio_queueing_skb")) {
		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
263
	} else if (!strcmp(tmp, "prio_queueing_tos")) {
F
Frank Blaschka 已提交
264
		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
265
		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
266 267 268 269 270 271 272
	} else if (!strcmp(tmp, "prio_queueing_vlan")) {
		if (!card->options.layer2) {
			rc = -ENOTSUPP;
			goto out;
		}
		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
273
	} else if (!strcmp(tmp, "no_prio_queueing:0")) {
F
Frank Blaschka 已提交
274 275 276 277 278 279 280 281 282 283 284 285 286 287
		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
		card->qdio.default_out_queue = 0;
	} else if (!strcmp(tmp, "no_prio_queueing:1")) {
		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
		card->qdio.default_out_queue = 1;
	} else if (!strcmp(tmp, "no_prio_queueing:2")) {
		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
		card->qdio.default_out_queue = 2;
	} else if (!strcmp(tmp, "no_prio_queueing:3")) {
		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
		card->qdio.default_out_queue = 3;
	} else if (!strcmp(tmp, "no_prio_queueing")) {
		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
288 289 290 291 292
	} else
		rc = -EINVAL;
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314
}

static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
		qeth_dev_prioqing_store);

static ssize_t qeth_dev_bufcnt_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
}

static ssize_t qeth_dev_bufcnt_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int cnt, old_cnt;
315
	int rc = 0;
F
Frank Blaschka 已提交
316 317 318 319

	if (!card)
		return -EINVAL;

320
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
321
	if ((card->state != CARD_STATE_DOWN) &&
322 323 324 325
	    (card->state != CARD_STATE_RECOVER)) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
326 327 328 329 330 331 332 333

	old_cnt = card->qdio.in_buf_pool.buf_count;
	cnt = simple_strtoul(buf, &tmp, 10);
	cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
		((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
	if (old_cnt != cnt) {
		rc = qeth_realloc_buffer_pool(card, cnt);
	}
334 335 336
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379
}

static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
		qeth_dev_bufcnt_store);

static ssize_t qeth_dev_recover_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if (card->state != CARD_STATE_UP)
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if (i == 1)
		qeth_schedule_recovery(card);

	return count;
}

static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);

static ssize_t qeth_dev_performance_stats_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
}

static ssize_t qeth_dev_performance_stats_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
380
	int i, rc = 0;
F
Frank Blaschka 已提交
381 382 383 384

	if (!card)
		return -EINVAL;

385
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
386 387 388
	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) || (i == 1)) {
		if (i == card->options.performance_stats)
389
			goto out;
F
Frank Blaschka 已提交
390 391 392 393 394 395
		card->options.performance_stats = i;
		if (i == 0)
			memset(&card->perf_stats, 0,
				sizeof(struct qeth_perf_stats));
		card->perf_stats.initial_rx_packets = card->stats.rx_packets;
		card->perf_stats.initial_tx_packets = card->stats.tx_packets;
396 397 398 399 400
	} else
		rc = -EINVAL;
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
401 402 403 404 405 406 407 408 409 410 411 412 413
}

static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
		   qeth_dev_performance_stats_store);

static ssize_t qeth_dev_layer2_show(struct device *dev,
		struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;

414
	return sprintf(buf, "%i\n", card->options.layer2);
F
Frank Blaschka 已提交
415 416 417 418 419 420 421
}

static ssize_t qeth_dev_layer2_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
422
	int i, rc = 0;
F
Frank Blaschka 已提交
423 424 425 426 427
	enum qeth_discipline_id newdis;

	if (!card)
		return -EINVAL;

428
	mutex_lock(&card->discipline_mutex);
429 430 431 432
	if (card->state != CARD_STATE_DOWN) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
433 434 435 436 437 438 439 440 441 442

	i = simple_strtoul(buf, &tmp, 16);
	switch (i) {
	case 0:
		newdis = QETH_DISCIPLINE_LAYER3;
		break;
	case 1:
		newdis = QETH_DISCIPLINE_LAYER2;
		break;
	default:
443 444
		rc = -EINVAL;
		goto out;
F
Frank Blaschka 已提交
445 446
	}

447 448 449
	if (card->options.layer2 == newdis)
		goto out;
	else {
450
		card->info.mac_bits  = 0;
451 452
		if (card->discipline) {
			card->discipline->remove(card->gdev);
F
Frank Blaschka 已提交
453 454 455 456 457 458
			qeth_core_free_discipline(card);
		}
	}

	rc = qeth_core_load_discipline(card, newdis);
	if (rc)
459
		goto out;
F
Frank Blaschka 已提交
460

461
	rc = card->discipline->setup(card->gdev);
462
out:
463
	mutex_unlock(&card->discipline_mutex);
464
	return rc ? rc : count;
F
Frank Blaschka 已提交
465 466 467 468 469
}

static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
		   qeth_dev_layer2_store);

E
Einar Lueck 已提交
470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502
#define ATTR_QETH_ISOLATION_NONE	("none")
#define ATTR_QETH_ISOLATION_FWD		("forward")
#define ATTR_QETH_ISOLATION_DROP	("drop")

static ssize_t qeth_dev_isolation_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;

	switch (card->options.isolation) {
	case ISOLATION_MODE_NONE:
		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
	case ISOLATION_MODE_FWD:
		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
	case ISOLATION_MODE_DROP:
		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
	default:
		return snprintf(buf, 5, "%s\n", "N/A");
	}
}

static ssize_t qeth_dev_isolation_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	enum qeth_ipa_isolation_modes isolation;
	int rc = 0;
	char *tmp, *curtoken;
	curtoken = (char *) buf;

503 504
	if (!card)
		return -EINVAL;
E
Einar Lueck 已提交
505

506
	mutex_lock(&card->conf_mutex);
E
Einar Lueck 已提交
507
	/* check for unknown, too, in case we do not yet know who we are */
508 509
	if (card->info.type != QETH_CARD_TYPE_OSD &&
	    card->info.type != QETH_CARD_TYPE_OSX &&
E
Einar Lueck 已提交
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531
	    card->info.type != QETH_CARD_TYPE_UNKNOWN) {
		rc = -EOPNOTSUPP;
		dev_err(&card->gdev->dev, "Adapter does not "
			"support QDIO data connection isolation\n");
		goto out;
	}

	/* parse input into isolation mode */
	tmp = strsep(&curtoken, "\n");
	if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
		isolation = ISOLATION_MODE_NONE;
	} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
		isolation = ISOLATION_MODE_FWD;
	} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
		isolation = ISOLATION_MODE_DROP;
	} else {
		rc = -EINVAL;
		goto out;
	}
	rc = count;

	/* defer IP assist if device is offline (until discipline->set_online)*/
S
Stefan Raspl 已提交
532
	card->options.prev_isolation = card->options.isolation;
E
Einar Lueck 已提交
533
	card->options.isolation = isolation;
534
	if (qeth_card_hw_is_reachable(card)) {
S
Stefan Raspl 已提交
535
		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
E
Einar Lueck 已提交
536 537 538 539
		if (ipa_rc != 0)
			rc = ipa_rc;
	}
out:
540
	mutex_unlock(&card->conf_mutex);
E
Einar Lueck 已提交
541 542 543 544
	return rc;
}

static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
545 546 547 548 549 550 551 552 553 554 555 556
			qeth_dev_isolation_store);

static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	struct qeth_switch_info sw_info;
	int	rc = 0;

	if (!card)
		return -EINVAL;

557
	if (!qeth_card_hw_is_reachable(card))
558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580
		return sprintf(buf, "n/a\n");

	rc = qeth_query_switch_attributes(card, &sw_info);
	if (rc)
		return rc;

	if (!sw_info.capabilities)
		rc = sprintf(buf, "unknown");

	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
		rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
							"[802.1]" : "802.1"));
	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
		rc += sprintf(buf + rc,
			(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
							" [rr]" : " rr"));
	rc += sprintf(buf + rc, "\n");

	return rc;
}

static DEVICE_ATTR(switch_attrs, 0444,
		   qeth_dev_switch_attrs_show, NULL);
E
Einar Lueck 已提交
581

582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607
static ssize_t qeth_hw_trap_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
		return -EINVAL;
	if (card->info.hwtrap)
		return snprintf(buf, 5, "arm\n");
	else
		return snprintf(buf, 8, "disarm\n");
}

static ssize_t qeth_hw_trap_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);
	int rc = 0;
	char *tmp, *curtoken;
	int state = 0;
	curtoken = (char *)buf;

	if (!card)
		return -EINVAL;

	mutex_lock(&card->conf_mutex);
608
	if (qeth_card_hw_is_reachable(card))
609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
		state = 1;
	tmp = strsep(&curtoken, "\n");

	if (!strcmp(tmp, "arm") && !card->info.hwtrap) {
		if (state) {
			if (qeth_is_diagass_supported(card,
			    QETH_DIAGS_CMD_TRAP)) {
				rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
				if (!rc)
					card->info.hwtrap = 1;
			} else
				rc = -EINVAL;
		} else
			card->info.hwtrap = 1;
	} else if (!strcmp(tmp, "disarm") && card->info.hwtrap) {
		if (state) {
			rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
			if (!rc)
				card->info.hwtrap = 0;
		} else
			card->info.hwtrap = 0;
	} else if (!strcmp(tmp, "trap") && state && card->info.hwtrap)
		rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
	else
		rc = -EINVAL;

	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
}

static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
		   qeth_hw_trap_store);

F
Frank Blaschka 已提交
642 643 644 645 646 647 648 649 650 651 652 653 654
static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
{

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", value);
}

static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
		const char *buf, size_t count, int *value, int max_value)
{
	char *tmp;
655
	int i, rc = 0;
F
Frank Blaschka 已提交
656 657 658 659

	if (!card)
		return -EINVAL;

660
	mutex_lock(&card->conf_mutex);
F
Frank Blaschka 已提交
661
	if ((card->state != CARD_STATE_DOWN) &&
662 663 664 665
	    (card->state != CARD_STATE_RECOVER)) {
		rc = -EPERM;
		goto out;
	}
F
Frank Blaschka 已提交
666
	i = simple_strtoul(buf, &tmp, 10);
667
	if (i <= max_value)
F
Frank Blaschka 已提交
668
		*value = i;
669 670 671 672 673
	else
		rc = -EINVAL;
out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
F
Frank Blaschka 已提交
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689
}

static ssize_t qeth_dev_blkt_total_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
}

static ssize_t qeth_dev_blkt_total_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
690
				   &card->info.blkt.time_total, 5000);
F
Frank Blaschka 已提交
691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711
}



static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
		   qeth_dev_blkt_total_store);

static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
}

static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
712
				   &card->info.blkt.inter_packet, 1000);
F
Frank Blaschka 已提交
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732
}

static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
		   qeth_dev_blkt_inter_store);

static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card,
				  card->info.blkt.inter_packet_jumbo);
}

static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
733
				   &card->info.blkt.inter_packet_jumbo, 1000);
F
Frank Blaschka 已提交
734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762
}

static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
		   qeth_dev_blkt_inter_jumbo_store);

static struct attribute *qeth_blkt_device_attrs[] = {
	&dev_attr_total.attr,
	&dev_attr_inter.attr,
	&dev_attr_inter_jumbo.attr,
	NULL,
};
static struct attribute_group qeth_device_blkt_group = {
	.name = "blkt",
	.attrs = qeth_blkt_device_attrs,
};

static struct attribute *qeth_device_attrs[] = {
	&dev_attr_state.attr,
	&dev_attr_chpid.attr,
	&dev_attr_if_name.attr,
	&dev_attr_card_type.attr,
	&dev_attr_inbuf_size.attr,
	&dev_attr_portno.attr,
	&dev_attr_portname.attr,
	&dev_attr_priority_queueing.attr,
	&dev_attr_buffer_count.attr,
	&dev_attr_recover.attr,
	&dev_attr_performance_stats.attr,
	&dev_attr_layer2.attr,
E
Einar Lueck 已提交
763
	&dev_attr_isolation.attr,
764
	&dev_attr_hw_trap.attr,
765
	&dev_attr_switch_attrs.attr,
F
Frank Blaschka 已提交
766 767 768 769 770 771
	NULL,
};
static struct attribute_group qeth_device_attr_group = {
	.attrs = qeth_device_attrs,
};

772 773 774 775 776 777
const struct attribute_group *qeth_generic_attr_groups[] = {
	&qeth_device_attr_group,
	&qeth_device_blkt_group,
	NULL,
};

F
Frank Blaschka 已提交
778 779 780 781 782 783 784 785 786 787 788 789
static struct attribute *qeth_osn_device_attrs[] = {
	&dev_attr_state.attr,
	&dev_attr_chpid.attr,
	&dev_attr_if_name.attr,
	&dev_attr_card_type.attr,
	&dev_attr_buffer_count.attr,
	&dev_attr_recover.attr,
	NULL,
};
static struct attribute_group qeth_osn_device_attr_group = {
	.attrs = qeth_osn_device_attrs,
};
790 791 792 793
const struct attribute_group *qeth_osn_attr_groups[] = {
	&qeth_osn_device_attr_group,
	NULL,
};