kernel/drivers/s390/net/qeth_core_sys.c

   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 inline 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         struct qeth_card *card = dev_get_drvdata(dev);
 157         char portname[9] = {0, };
 158
 159         if (!card)
 160                 return -EINVAL;
 161
 162         if (card->info.portname_required) {
 163                 memcpy(portname, card->info.portname + 1, 8);
 164                 EBCASC(portname, 8);
 165                 return sprintf(buf, "%s\n", portname);
 166         } else
 167                 return sprintf(buf, "no portname required\n");
 168 }
 169
 170 static ssize_t qeth_dev_portname_store(struct device *dev,
 171                 struct device_attribute *attr, const char *buf, size_t count)
 172 {
 173         struct qeth_card *card = dev_get_drvdata(dev);
 174         char *tmp;
 175         int i, rc = 0;
 176
 177         if (!card)
 178                 return -EINVAL;
 179
 180         mutex_lock(&card->conf_mutex);
 181         if ((card->state != CARD_STATE_DOWN) &&
 182             (card->state != CARD_STATE_RECOVER)) {
 183                 rc = -EPERM;
 184                 goto out;
 185         }
 186
 187         tmp = strsep((char **) &buf, "\n");
 188         if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
 189                 rc = -EINVAL;
 190                 goto out;
 191         }
 192
 193         card->info.portname[0] = strlen(tmp);
 194         /* for beauty reasons */
 195         for (i = 1; i < 9; i++)
 196                 card->info.portname[i] = ' ';
 197         strcpy(card->info.portname + 1, tmp);
 198         ASCEBC(card->info.portname + 1, 8);
 199 out:
 200         mutex_unlock(&card->conf_mutex);
 201         return rc ? rc : count;
 202 }
 203
 204 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
 205                 qeth_dev_portname_store);
 206
 207 static ssize_t qeth_dev_prioqing_show(struct device *dev,
 208                                 struct device_attribute *attr, char *buf)
 209 {
 210         struct qeth_card *card = dev_get_drvdata(dev);
 211
 212         if (!card)
 213                 return -EINVAL;
 214
 215         switch (card->qdio.do_prio_queueing) {
 216         case QETH_PRIO_Q_ING_PREC:
 217                 return sprintf(buf, "%s\n", "by precedence");
 218         case QETH_PRIO_Q_ING_TOS:
 219                 return sprintf(buf, "%s\n", "by type of service");
 220         case QETH_PRIO_Q_ING_SKB:
 221                 return sprintf(buf, "%s\n", "by skb-priority");
 222         case QETH_PRIO_Q_ING_VLAN:
 223                 return sprintf(buf, "%s\n", "by VLAN headers");
 224         default:
 225                 return sprintf(buf, "always queue %i\n",
 226                                card->qdio.default_out_queue);
 227         }
 228 }
 229
 230 static ssize_t qeth_dev_prioqing_store(struct device *dev,
 231                 struct device_attribute *attr, const char *buf, size_t count)
 232 {
 233         struct qeth_card *card = dev_get_drvdata(dev);
 234         int rc = 0;
 235
 236         if (!card)
 237                 return -EINVAL;
 238
 239         mutex_lock(&card->conf_mutex);
 240         if ((card->state != CARD_STATE_DOWN) &&
 241             (card->state != CARD_STATE_RECOVER)) {
 242                 rc = -EPERM;
 243                 goto out;
 244         }
 245
 246         /* check if 1920 devices are supported ,
 247          * if though we have to permit priority queueing
 248          */
 249         if (card->qdio.no_out_queues == 1) {
 250                 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
 251                 rc = -EPERM;
 252                 goto out;
 253         }
 254
 255         if (sysfs_streq(buf, "prio_queueing_prec")) {
 256                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
 257                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 258         } else if (sysfs_streq(buf, "prio_queueing_skb")) {
 259                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
 260                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 261         } else if (sysfs_streq(buf, "prio_queueing_tos")) {
 262                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
 263                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 264         } else if (sysfs_streq(buf, "prio_queueing_vlan")) {
 265                 if (!card->options.layer2) {
 266                         rc = -ENOTSUPP;
 267                         goto out;
 268                 }
 269                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
 270                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 271         } else if (sysfs_streq(buf, "no_prio_queueing:0")) {
 272                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 273                 card->qdio.default_out_queue = 0;
 274         } else if (sysfs_streq(buf, "no_prio_queueing:1")) {
 275                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 276                 card->qdio.default_out_queue = 1;
 277         } else if (sysfs_streq(buf, "no_prio_queueing:2")) {
 278                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 279                 card->qdio.default_out_queue = 2;
 280         } else if (sysfs_streq(buf, "no_prio_queueing:3")) {
 281                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 282                 card->qdio.default_out_queue = 3;
 283         } else if (sysfs_streq(buf, "no_prio_queueing")) {
 284                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 285                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 286         } else
 287                 rc = -EINVAL;
 288 out:
 289         mutex_unlock(&card->conf_mutex);
 290         return rc ? rc : count;
 291 }
 292
 293 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
 294                 qeth_dev_prioqing_store);
 295
 296 static ssize_t qeth_dev_bufcnt_show(struct device *dev,
 297                                 struct device_attribute *attr, char *buf)
 298 {
 299         struct qeth_card *card = dev_get_drvdata(dev);
 300
 301         if (!card)
 302                 return -EINVAL;
 303
 304         return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
 305 }
 306
 307 static ssize_t qeth_dev_bufcnt_store(struct device *dev,
 308                 struct device_attribute *attr, const char *buf, size_t count)
 309 {
 310         struct qeth_card *card = dev_get_drvdata(dev);
 311         char *tmp;
 312         int cnt, old_cnt;
 313         int rc = 0;
 314
 315         if (!card)
 316                 return -EINVAL;
 317
 318         mutex_lock(&card->conf_mutex);
 319         if ((card->state != CARD_STATE_DOWN) &&
 320             (card->state != CARD_STATE_RECOVER)) {
 321                 rc = -EPERM;
 322                 goto out;
 323         }
 324
 325         old_cnt = card->qdio.in_buf_pool.buf_count;
 326         cnt = simple_strtoul(buf, &tmp, 10);
 327         cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
 328                 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
 329         if (old_cnt != cnt) {
 330                 rc = qeth_realloc_buffer_pool(card, cnt);
 331         }
 332 out:
 333         mutex_unlock(&card->conf_mutex);
 334         return rc ? rc : count;
 335 }
 336
 337 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
 338                 qeth_dev_bufcnt_store);
 339
 340 static ssize_t qeth_dev_recover_store(struct device *dev,
 341                 struct device_attribute *attr, const char *buf, size_t count)
 342 {
 343         struct qeth_card *card = dev_get_drvdata(dev);
 344         char *tmp;
 345         int i;
 346
 347         if (!card)
 348                 return -EINVAL;
 349
 350         if (card->state != CARD_STATE_UP)
 351                 return -EPERM;
 352
 353         i = simple_strtoul(buf, &tmp, 16);
 354         if (i == 1)
 355                 qeth_schedule_recovery(card);
 356
 357         return count;
 358 }
 359
 360 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
 361
 362 static ssize_t qeth_dev_performance_stats_show(struct device *dev,
 363                                 struct device_attribute *attr, char *buf)
 364 {
 365         struct qeth_card *card = dev_get_drvdata(dev);
 366
 367         if (!card)
 368                 return -EINVAL;
 369
 370         return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
 371 }
 372
 373 static ssize_t qeth_dev_performance_stats_store(struct device *dev,
 374                 struct device_attribute *attr, const char *buf, size_t count)
 375 {
 376         struct qeth_card *card = dev_get_drvdata(dev);
 377         char *tmp;
 378         int i, rc = 0;
 379
 380         if (!card)
 381                 return -EINVAL;
 382
 383         mutex_lock(&card->conf_mutex);
 384         i = simple_strtoul(buf, &tmp, 16);
 385         if ((i == 0) || (i == 1)) {
 386                 if (i == card->options.performance_stats)
 387                         goto out;
 388                 card->options.performance_stats = i;
 389                 if (i == 0)
 390                         memset(&card->perf_stats, 0,
 391                                 sizeof(struct qeth_perf_stats));
 392                 card->perf_stats.initial_rx_packets = card->stats.rx_packets;
 393                 card->perf_stats.initial_tx_packets = card->stats.tx_packets;
 394         } else
 395                 rc = -EINVAL;
 396 out:
 397         mutex_unlock(&card->conf_mutex);
 398         return rc ? rc : count;
 399 }
 400
 401 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
 402                    qeth_dev_performance_stats_store);
 403
 404 static ssize_t qeth_dev_layer2_show(struct device *dev,
 405                 struct device_attribute *attr, char *buf)
 406 {
 407         struct qeth_card *card = dev_get_drvdata(dev);
 408
 409         if (!card)
 410                 return -EINVAL;
 411
 412         return sprintf(buf, "%i\n", card->options.layer2);
 413 }
 414
 415 static ssize_t qeth_dev_layer2_store(struct device *dev,
 416                 struct device_attribute *attr, const char *buf, size_t count)
 417 {
 418         struct qeth_card *card = dev_get_drvdata(dev);
 419         char *tmp;
 420         int i, rc = 0;
 421         enum qeth_discipline_id newdis;
 422
 423         if (!card)
 424                 return -EINVAL;
 425
 426         mutex_lock(&card->discipline_mutex);
 427         if (card->state != CARD_STATE_DOWN) {
 428                 rc = -EPERM;
 429                 goto out;
 430         }
 431
 432         i = simple_strtoul(buf, &tmp, 16);
 433         switch (i) {
 434         case 0:
 435                 newdis = QETH_DISCIPLINE_LAYER3;
 436                 break;
 437         case 1:
 438                 newdis = QETH_DISCIPLINE_LAYER2;
 439                 break;
 440         default:
 441                 rc = -EINVAL;
 442                 goto out;
 443         }
 444
 445         if (card->options.layer2 == newdis)
 446                 goto out;
 447         else {
 448                 card->info.mac_bits  = 0;
 449                 if (card->discipline) {
 450                         card->discipline->remove(card->gdev);
 451                         qeth_core_free_discipline(card);
 452                 }
 453         }
 454
 455         rc = qeth_core_load_discipline(card, newdis);
 456         if (rc)
 457                 goto out;
 458
 459         rc = card->discipline->setup(card->gdev);
 460 out:
 461         mutex_unlock(&card->discipline_mutex);
 462         return rc ? rc : count;
 463 }
 464
 465 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 466                    qeth_dev_layer2_store);
 467
 468 #define ATTR_QETH_ISOLATION_NONE        ("none")
 469 #define ATTR_QETH_ISOLATION_FWD         ("forward")
 470 #define ATTR_QETH_ISOLATION_DROP        ("drop")
 471
 472 static ssize_t qeth_dev_isolation_show(struct device *dev,
 473                                 struct device_attribute *attr, char *buf)
 474 {
 475         struct qeth_card *card = dev_get_drvdata(dev);
 476
 477         if (!card)
 478                 return -EINVAL;
 479
 480         switch (card->options.isolation) {
 481         case ISOLATION_MODE_NONE:
 482                 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
 483         case ISOLATION_MODE_FWD:
 484                 return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
 485         case ISOLATION_MODE_DROP:
 486                 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
 487         default:
 488                 return snprintf(buf, 5, "%s\n", "N/A");
 489         }
 490 }
 491
 492 static ssize_t qeth_dev_isolation_store(struct device *dev,
 493                 struct device_attribute *attr, const char *buf, size_t count)
 494 {
 495         struct qeth_card *card = dev_get_drvdata(dev);
 496         enum qeth_ipa_isolation_modes isolation;
 497         int rc = 0;
 498
 499         if (!card)
 500                 return -EINVAL;
 501
 502         mutex_lock(&card->conf_mutex);
 503         /* check for unknown, too, in case we do not yet know who we are */
 504         if (card->info.type != QETH_CARD_TYPE_OSD &&
 505             card->info.type != QETH_CARD_TYPE_OSX &&
 506             card->info.type != QETH_CARD_TYPE_UNKNOWN) {
 507                 rc = -EOPNOTSUPP;
 508                 dev_err(&card->gdev->dev, "Adapter does not "
 509                         "support QDIO data connection isolation\n");
 510                 goto out;
 511         }
 512
 513         /* parse input into isolation mode */
 514         if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
 515                 isolation = ISOLATION_MODE_NONE;
 516         } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
 517                 isolation = ISOLATION_MODE_FWD;
 518         } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
 519                 isolation = ISOLATION_MODE_DROP;
 520         } else {
 521                 rc = -EINVAL;
 522                 goto out;
 523         }
 524         rc = count;
 525
 526         /* defer IP assist if device is offline (until discipline->set_online)*/
 527         card->options.prev_isolation = card->options.isolation;
 528         card->options.isolation = isolation;
 529         if (qeth_card_hw_is_reachable(card)) {
 530                 int ipa_rc = qeth_set_access_ctrl_online(card, 1);
 531                 if (ipa_rc != 0)
 532                         rc = ipa_rc;
 533         }
 534 out:
 535         mutex_unlock(&card->conf_mutex);
 536         return rc;
 537 }
 538
 539 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
 540                         qeth_dev_isolation_store);
 541
 542 static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
 543                                 struct device_attribute *attr, char *buf)
 544 {
 545         struct qeth_card *card = dev_get_drvdata(dev);
 546         struct qeth_switch_info sw_info;
 547         int     rc = 0;
 548
 549         if (!card)
 550                 return -EINVAL;
 551
 552         if (!qeth_card_hw_is_reachable(card))
 553                 return sprintf(buf, "n/a\n");
 554
 555         rc = qeth_query_switch_attributes(card, &sw_info);
 556         if (rc)
 557                 return rc;
 558
 559         if (!sw_info.capabilities)
 560                 rc = sprintf(buf, "unknown");
 561
 562         if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
 563                 rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
 564                                                         "[802.1]" : "802.1"));
 565         if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
 566                 rc += sprintf(buf + rc,
 567                         (sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
 568                                                         " [rr]" : " rr"));
 569         rc += sprintf(buf + rc, "\n");
 570
 571         return rc;
 572 }
 573
 574 static DEVICE_ATTR(switch_attrs, 0444,
 575                    qeth_dev_switch_attrs_show, NULL);
 576
 577 static ssize_t qeth_hw_trap_show(struct device *dev,
 578                                 struct device_attribute *attr, char *buf)
 579 {
 580         struct qeth_card *card = dev_get_drvdata(dev);
 581
 582         if (!card)
 583                 return -EINVAL;
 584         if (card->info.hwtrap)
 585                 return snprintf(buf, 5, "arm\n");
 586         else
 587                 return snprintf(buf, 8, "disarm\n");
 588 }
 589
 590 static ssize_t qeth_hw_trap_store(struct device *dev,
 591                 struct device_attribute *attr, const char *buf, size_t count)
 592 {
 593         struct qeth_card *card = dev_get_drvdata(dev);
 594         int rc = 0;
 595         int state = 0;
 596
 597         if (!card)
 598                 return -EINVAL;
 599
 600         mutex_lock(&card->conf_mutex);
 601         if (qeth_card_hw_is_reachable(card))
 602                 state = 1;
 603
 604         if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
 605                 if (state) {
 606                         if (qeth_is_diagass_supported(card,
 607                             QETH_DIAGS_CMD_TRAP)) {
 608                                 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
 609                                 if (!rc)
 610                                         card->info.hwtrap = 1;
 611                         } else
 612                                 rc = -EINVAL;
 613                 } else
 614                         card->info.hwtrap = 1;
 615         } else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
 616                 if (state) {
 617                         rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
 618                         if (!rc)
 619                                 card->info.hwtrap = 0;
 620                 } else
 621                         card->info.hwtrap = 0;
 622         } else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
 623                 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
 624         else
 625                 rc = -EINVAL;
 626
 627         mutex_unlock(&card->conf_mutex);
 628         return rc ? rc : count;
 629 }
 630
 631 static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
 632                    qeth_hw_trap_store);
 633
 634 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
 635 {
 636
 637         if (!card)
 638                 return -EINVAL;
 639
 640         return sprintf(buf, "%i\n", value);
 641 }
 642
 643 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
 644                 const char *buf, size_t count, int *value, int max_value)
 645 {
 646         char *tmp;
 647         int i, rc = 0;
 648
 649         if (!card)
 650                 return -EINVAL;
 651
 652         mutex_lock(&card->conf_mutex);
 653         if ((card->state != CARD_STATE_DOWN) &&
 654             (card->state != CARD_STATE_RECOVER)) {
 655                 rc = -EPERM;
 656                 goto out;
 657         }
 658         i = simple_strtoul(buf, &tmp, 10);
 659         if (i <= max_value)
 660                 *value = i;
 661         else
 662                 rc = -EINVAL;
 663 out:
 664         mutex_unlock(&card->conf_mutex);
 665         return rc ? rc : count;
 666 }
 667
 668 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
 669                                 struct device_attribute *attr, char *buf)
 670 {
 671         struct qeth_card *card = dev_get_drvdata(dev);
 672
 673         return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
 674 }
 675
 676 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
 677                 struct device_attribute *attr, const char *buf, size_t count)
 678 {
 679         struct qeth_card *card = dev_get_drvdata(dev);
 680
 681         return qeth_dev_blkt_store(card, buf, count,
 682                                    &card->info.blkt.time_total, 5000);
 683 }
 684
 685
 686
 687 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
 688                    qeth_dev_blkt_total_store);
 689
 690 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
 691                                 struct device_attribute *attr, char *buf)
 692 {
 693         struct qeth_card *card = dev_get_drvdata(dev);
 694
 695         return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
 696 }
 697
 698 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
 699                 struct device_attribute *attr, const char *buf, size_t count)
 700 {
 701         struct qeth_card *card = dev_get_drvdata(dev);
 702
 703         return qeth_dev_blkt_store(card, buf, count,
 704                                    &card->info.blkt.inter_packet, 1000);
 705 }
 706
 707 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
 708                    qeth_dev_blkt_inter_store);
 709
 710 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
 711                                 struct device_attribute *attr, char *buf)
 712 {
 713         struct qeth_card *card = dev_get_drvdata(dev);
 714
 715         return qeth_dev_blkt_show(buf, card,
 716                                   card->info.blkt.inter_packet_jumbo);
 717 }
 718
 719 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
 720                 struct device_attribute *attr, const char *buf, size_t count)
 721 {
 722         struct qeth_card *card = dev_get_drvdata(dev);
 723
 724         return qeth_dev_blkt_store(card, buf, count,
 725                                    &card->info.blkt.inter_packet_jumbo, 1000);
 726 }
 727
 728 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
 729                    qeth_dev_blkt_inter_jumbo_store);
 730
 731 static struct attribute *qeth_blkt_device_attrs[] = {
 732         &dev_attr_total.attr,
 733         &dev_attr_inter.attr,
 734         &dev_attr_inter_jumbo.attr,
 735         NULL,
 736 };
 737 static struct attribute_group qeth_device_blkt_group = {
 738         .name = "blkt",
 739         .attrs = qeth_blkt_device_attrs,
 740 };
 741
 742 static struct attribute *qeth_device_attrs[] = {
 743         &dev_attr_state.attr,
 744         &dev_attr_chpid.attr,
 745         &dev_attr_if_name.attr,
 746         &dev_attr_card_type.attr,
 747         &dev_attr_inbuf_size.attr,
 748         &dev_attr_portno.attr,
 749         &dev_attr_portname.attr,
 750         &dev_attr_priority_queueing.attr,
 751         &dev_attr_buffer_count.attr,
 752         &dev_attr_recover.attr,
 753         &dev_attr_performance_stats.attr,
 754         &dev_attr_layer2.attr,
 755         &dev_attr_isolation.attr,
 756         &dev_attr_hw_trap.attr,
 757         &dev_attr_switch_attrs.attr,
 758         NULL,
 759 };
 760 static struct attribute_group qeth_device_attr_group = {
 761         .attrs = qeth_device_attrs,
 762 };
 763
 764 const struct attribute_group *qeth_generic_attr_groups[] = {
 765         &qeth_device_attr_group,
 766         &qeth_device_blkt_group,
 767         NULL,
 768 };
 769
 770 static struct attribute *qeth_osn_device_attrs[] = {
 771         &dev_attr_state.attr,
 772         &dev_attr_chpid.attr,
 773         &dev_attr_if_name.attr,
 774         &dev_attr_card_type.attr,
 775         &dev_attr_buffer_count.attr,
 776         &dev_attr_recover.attr,
 777         NULL,
 778 };
 779 static struct attribute_group qeth_osn_device_attr_group = {
 780         .attrs = qeth_osn_device_attrs,
 781 };
 782 const struct attribute_group *qeth_osn_attr_groups[] = {
 783         &qeth_osn_device_attr_group,
 784         NULL,
 785 };