drivers/s390/net/qeth_core_sys.c

   1 /*
   2  *  drivers/s390/net/qeth_core_sys.c
   3  *
   4  *    Copyright IBM Corp. 2007
   5  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
   6  *               Frank Pavlic <fpavlic@de.ibm.com>,
   7  *               Thomas Spatzier <tspat@de.ibm.com>,
   8  *               Frank Blaschka <frank.blaschka@de.ibm.com>
   9  */
  10
  11 #define KMSG_COMPONENT "qeth"
  12 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  13
  14 #include <linux/list.h>
  15 #include <linux/rwsem.h>
  16 #include <asm/ebcdic.h>
  17
  18 #include "qeth_core.h"
  19
  20 static ssize_t qeth_dev_state_show(struct device *dev,
  21                                 struct device_attribute *attr, char *buf)
  22 {
  23         struct qeth_card *card = dev_get_drvdata(dev);
  24         if (!card)
  25                 return -EINVAL;
  26
  27         switch (card->state) {
  28         case CARD_STATE_DOWN:
  29                 return sprintf(buf, "DOWN\n");
  30         case CARD_STATE_HARDSETUP:
  31                 return sprintf(buf, "HARDSETUP\n");
  32         case CARD_STATE_SOFTSETUP:
  33                 return sprintf(buf, "SOFTSETUP\n");
  34         case CARD_STATE_UP:
  35                 if (card->lan_online)
  36                 return sprintf(buf, "UP (LAN ONLINE)\n");
  37                 else
  38                         return sprintf(buf, "UP (LAN OFFLINE)\n");
  39         case CARD_STATE_RECOVER:
  40                 return sprintf(buf, "RECOVER\n");
  41         default:
  42                 return sprintf(buf, "UNKNOWN\n");
  43         }
  44 }
  45
  46 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
  47
  48 static ssize_t qeth_dev_chpid_show(struct device *dev,
  49                                 struct device_attribute *attr, char *buf)
  50 {
  51         struct qeth_card *card = dev_get_drvdata(dev);
  52         if (!card)
  53                 return -EINVAL;
  54
  55         return sprintf(buf, "%02X\n", card->info.chpid);
  56 }
  57
  58 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
  59
  60 static ssize_t qeth_dev_if_name_show(struct device *dev,
  61                                 struct device_attribute *attr, char *buf)
  62 {
  63         struct qeth_card *card = dev_get_drvdata(dev);
  64         if (!card)
  65                 return -EINVAL;
  66         return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
  67 }
  68
  69 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
  70
  71 static ssize_t qeth_dev_card_type_show(struct device *dev,
  72                                 struct device_attribute *attr, char *buf)
  73 {
  74         struct qeth_card *card = dev_get_drvdata(dev);
  75         if (!card)
  76                 return -EINVAL;
  77
  78         return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
  79 }
  80
  81 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
  82
  83 static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
  84 {
  85         if (card->qdio.in_buf_size == 16384)
  86                 return "16k";
  87         else if (card->qdio.in_buf_size == 24576)
  88                 return "24k";
  89         else if (card->qdio.in_buf_size == 32768)
  90                 return "32k";
  91         else if (card->qdio.in_buf_size == 40960)
  92                 return "40k";
  93         else
  94                 return "64k";
  95 }
  96
  97 static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
  98                                 struct device_attribute *attr, char *buf)
  99 {
 100         struct qeth_card *card = dev_get_drvdata(dev);
 101         if (!card)
 102                 return -EINVAL;
 103
 104         return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
 105 }
 106
 107 static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
 108
 109 static ssize_t qeth_dev_portno_show(struct device *dev,
 110                         struct device_attribute *attr, char *buf)
 111 {
 112         struct qeth_card *card = dev_get_drvdata(dev);
 113         if (!card)
 114                 return -EINVAL;
 115
 116         return sprintf(buf, "%i\n", card->info.portno);
 117 }
 118
 119 static ssize_t qeth_dev_portno_store(struct device *dev,
 120                 struct device_attribute *attr, const char *buf, size_t count)
 121 {
 122         struct qeth_card *card = dev_get_drvdata(dev);
 123         char *tmp;
 124         unsigned int portno, limit;
 125         int rc = 0;
 126
 127         if (!card)
 128                 return -EINVAL;
 129
 130         mutex_lock(&card->conf_mutex);
 131         if ((card->state != CARD_STATE_DOWN) &&
 132             (card->state != CARD_STATE_RECOVER)) {
 133                 rc = -EPERM;
 134                 goto out;
 135         }
 136
 137         portno = simple_strtoul(buf, &tmp, 16);
 138         if (portno > QETH_MAX_PORTNO) {
 139                 rc = -EINVAL;
 140                 goto out;
 141         }
 142         limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
 143         if (portno > limit) {
 144                 rc = -EINVAL;
 145                 goto out;
 146         }
 147         card->info.portno = portno;
 148 out:
 149         mutex_unlock(&card->conf_mutex);
 150         return rc ? rc : count;
 151 }
 152
 153 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
 154
 155 static ssize_t qeth_dev_portname_show(struct device *dev,
 156                                 struct device_attribute *attr, char *buf)
 157 {
 158         struct qeth_card *card = dev_get_drvdata(dev);
 159         char portname[9] = {0, };
 160
 161         if (!card)
 162                 return -EINVAL;
 163
 164         if (card->info.portname_required) {
 165                 memcpy(portname, card->info.portname + 1, 8);
 166                 EBCASC(portname, 8);
 167                 return sprintf(buf, "%s\n", portname);
 168         } else
 169                 return sprintf(buf, "no portname required\n");
 170 }
 171
 172 static ssize_t qeth_dev_portname_store(struct device *dev,
 173                 struct device_attribute *attr, const char *buf, size_t count)
 174 {
 175         struct qeth_card *card = dev_get_drvdata(dev);
 176         char *tmp;
 177         int i, rc = 0;
 178
 179         if (!card)
 180                 return -EINVAL;
 181
 182         mutex_lock(&card->conf_mutex);
 183         if ((card->state != CARD_STATE_DOWN) &&
 184             (card->state != CARD_STATE_RECOVER)) {
 185                 rc = -EPERM;
 186                 goto out;
 187         }
 188
 189         tmp = strsep((char **) &buf, "\n");
 190         if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
 191                 rc = -EINVAL;
 192                 goto out;
 193         }
 194
 195         card->info.portname[0] = strlen(tmp);
 196         /* for beauty reasons */
 197         for (i = 1; i < 9; i++)
 198                 card->info.portname[i] = ' ';
 199         strcpy(card->info.portname + 1, tmp);
 200         ASCEBC(card->info.portname + 1, 8);
 201 out:
 202         mutex_unlock(&card->conf_mutex);
 203         return rc ? rc : count;
 204 }
 205
 206 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
 207                 qeth_dev_portname_store);
 208
 209 static ssize_t qeth_dev_prioqing_show(struct device *dev,
 210                                 struct device_attribute *attr, char *buf)
 211 {
 212         struct qeth_card *card = dev_get_drvdata(dev);
 213
 214         if (!card)
 215                 return -EINVAL;
 216
 217         switch (card->qdio.do_prio_queueing) {
 218         case QETH_PRIO_Q_ING_PREC:
 219                 return sprintf(buf, "%s\n", "by precedence");
 220         case QETH_PRIO_Q_ING_TOS:
 221                 return sprintf(buf, "%s\n", "by type of service");
 222         default:
 223                 return sprintf(buf, "always queue %i\n",
 224                                card->qdio.default_out_queue);
 225         }
 226 }
 227
 228 static ssize_t qeth_dev_prioqing_store(struct device *dev,
 229                 struct device_attribute *attr, const char *buf, size_t count)
 230 {
 231         struct qeth_card *card = dev_get_drvdata(dev);
 232         char *tmp;
 233         int rc = 0;
 234
 235         if (!card)
 236                 return -EINVAL;
 237
 238         mutex_lock(&card->conf_mutex);
 239         if ((card->state != CARD_STATE_DOWN) &&
 240             (card->state != CARD_STATE_RECOVER)) {
 241                 rc = -EPERM;
 242                 goto out;
 243         }
 244
 245         /* check if 1920 devices are supported ,
 246          * if though we have to permit priority queueing
 247          */
 248         if (card->qdio.no_out_queues == 1) {
 249                 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
 250                 rc = -EPERM;
 251                 goto out;
 252         }
 253
 254         tmp = strsep((char **) &buf, "\n");
 255         if (!strcmp(tmp, "prio_queueing_prec"))
 256                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
 257         else if (!strcmp(tmp, "prio_queueing_tos"))
 258                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
 259         else if (!strcmp(tmp, "no_prio_queueing:0")) {
 260                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 261                 card->qdio.default_out_queue = 0;
 262         } else if (!strcmp(tmp, "no_prio_queueing:1")) {
 263                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 264                 card->qdio.default_out_queue = 1;
 265         } else if (!strcmp(tmp, "no_prio_queueing:2")) {
 266                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 267                 card->qdio.default_out_queue = 2;
 268         } else if (!strcmp(tmp, "no_prio_queueing:3")) {
 269                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 270                 card->qdio.default_out_queue = 3;
 271         } else if (!strcmp(tmp, "no_prio_queueing")) {
 272                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 273                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 274         } else
 275                 rc = -EINVAL;
 276 out:
 277         mutex_unlock(&card->conf_mutex);
 278         return rc ? rc : count;
 279 }
 280
 281 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
 282                 qeth_dev_prioqing_store);
 283
 284 static ssize_t qeth_dev_bufcnt_show(struct device *dev,
 285                                 struct device_attribute *attr, char *buf)
 286 {
 287         struct qeth_card *card = dev_get_drvdata(dev);
 288
 289         if (!card)
 290                 return -EINVAL;
 291
 292         return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
 293 }
 294
 295 static ssize_t qeth_dev_bufcnt_store(struct device *dev,
 296                 struct device_attribute *attr, const char *buf, size_t count)
 297 {
 298         struct qeth_card *card = dev_get_drvdata(dev);
 299         char *tmp;
 300         int cnt, old_cnt;
 301         int rc = 0;
 302
 303         if (!card)
 304                 return -EINVAL;
 305
 306         mutex_lock(&card->conf_mutex);
 307         if ((card->state != CARD_STATE_DOWN) &&
 308             (card->state != CARD_STATE_RECOVER)) {
 309                 rc = -EPERM;
 310                 goto out;
 311         }
 312
 313         old_cnt = card->qdio.in_buf_pool.buf_count;
 314         cnt = simple_strtoul(buf, &tmp, 10);
 315         cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
 316                 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
 317         if (old_cnt != cnt) {
 318                 rc = qeth_realloc_buffer_pool(card, cnt);
 319         }
 320 out:
 321         mutex_unlock(&card->conf_mutex);
 322         return rc ? rc : count;
 323 }
 324
 325 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
 326                 qeth_dev_bufcnt_store);
 327
 328 static ssize_t qeth_dev_recover_store(struct device *dev,
 329                 struct device_attribute *attr, const char *buf, size_t count)
 330 {
 331         struct qeth_card *card = dev_get_drvdata(dev);
 332         char *tmp;
 333         int i;
 334
 335         if (!card)
 336                 return -EINVAL;
 337
 338         if (card->state != CARD_STATE_UP)
 339                 return -EPERM;
 340
 341         i = simple_strtoul(buf, &tmp, 16);
 342         if (i == 1)
 343                 qeth_schedule_recovery(card);
 344
 345         return count;
 346 }
 347
 348 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
 349
 350 static ssize_t qeth_dev_performance_stats_show(struct device *dev,
 351                                 struct device_attribute *attr, char *buf)
 352 {
 353         struct qeth_card *card = dev_get_drvdata(dev);
 354
 355         if (!card)
 356                 return -EINVAL;
 357
 358         return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
 359 }
 360
 361 static ssize_t qeth_dev_performance_stats_store(struct device *dev,
 362                 struct device_attribute *attr, const char *buf, size_t count)
 363 {
 364         struct qeth_card *card = dev_get_drvdata(dev);
 365         char *tmp;
 366         int i, rc = 0;
 367
 368         if (!card)
 369                 return -EINVAL;
 370
 371         mutex_lock(&card->conf_mutex);
 372         i = simple_strtoul(buf, &tmp, 16);
 373         if ((i == 0) || (i == 1)) {
 374                 if (i == card->options.performance_stats)
 375                         goto out;;
 376                 card->options.performance_stats = i;
 377                 if (i == 0)
 378                         memset(&card->perf_stats, 0,
 379                                 sizeof(struct qeth_perf_stats));
 380                 card->perf_stats.initial_rx_packets = card->stats.rx_packets;
 381                 card->perf_stats.initial_tx_packets = card->stats.tx_packets;
 382         } else
 383                 rc = -EINVAL;
 384 out:
 385         mutex_unlock(&card->conf_mutex);
 386         return rc ? rc : count;
 387 }
 388
 389 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
 390                    qeth_dev_performance_stats_store);
 391
 392 static ssize_t qeth_dev_layer2_show(struct device *dev,
 393                 struct device_attribute *attr, char *buf)
 394 {
 395         struct qeth_card *card = dev_get_drvdata(dev);
 396
 397         if (!card)
 398                 return -EINVAL;
 399
 400         return sprintf(buf, "%i\n", card->options.layer2);
 401 }
 402
 403 static ssize_t qeth_dev_layer2_store(struct device *dev,
 404                 struct device_attribute *attr, const char *buf, size_t count)
 405 {
 406         struct qeth_card *card = dev_get_drvdata(dev);
 407         char *tmp;
 408         int i, rc = 0;
 409         enum qeth_discipline_id newdis;
 410
 411         if (!card)
 412                 return -EINVAL;
 413
 414         mutex_lock(&card->discipline_mutex);
 415         if (card->state != CARD_STATE_DOWN) {
 416                 rc = -EPERM;
 417                 goto out;
 418         }
 419
 420         i = simple_strtoul(buf, &tmp, 16);
 421         switch (i) {
 422         case 0:
 423                 newdis = QETH_DISCIPLINE_LAYER3;
 424                 break;
 425         case 1:
 426                 newdis = QETH_DISCIPLINE_LAYER2;
 427                 break;
 428         default:
 429                 rc = -EINVAL;
 430                 goto out;
 431         }
 432
 433         if (card->options.layer2 == newdis)
 434                 goto out;
 435         else {
 436                 card->info.mac_bits  = 0;
 437                 if (card->discipline.ccwgdriver) {
 438                         card->discipline.ccwgdriver->remove(card->gdev);
 439                         qeth_core_free_discipline(card);
 440                 }
 441         }
 442
 443         rc = qeth_core_load_discipline(card, newdis);
 444         if (rc)
 445                 goto out;
 446
 447         rc = card->discipline.ccwgdriver->probe(card->gdev);
 448 out:
 449         mutex_unlock(&card->discipline_mutex);
 450         return rc ? rc : count;
 451 }
 452
 453 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 454                    qeth_dev_layer2_store);
 455
 456 #define ATTR_QETH_ISOLATION_NONE        ("none")
 457 #define ATTR_QETH_ISOLATION_FWD         ("forward")
 458 #define ATTR_QETH_ISOLATION_DROP        ("drop")
 459
 460 static ssize_t qeth_dev_isolation_show(struct device *dev,
 461                                 struct device_attribute *attr, char *buf)
 462 {
 463         struct qeth_card *card = dev_get_drvdata(dev);
 464
 465         if (!card)
 466                 return -EINVAL;
 467
 468         switch (card->options.isolation) {
 469         case ISOLATION_MODE_NONE:
 470                 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
 471         case ISOLATION_MODE_FWD:
 472                 return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
 473         case ISOLATION_MODE_DROP:
 474                 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
 475         default:
 476                 return snprintf(buf, 5, "%s\n", "N/A");
 477         }
 478 }
 479
 480 static ssize_t qeth_dev_isolation_store(struct device *dev,
 481                 struct device_attribute *attr, const char *buf, size_t count)
 482 {
 483         struct qeth_card *card = dev_get_drvdata(dev);
 484         enum qeth_ipa_isolation_modes isolation;
 485         int rc = 0;
 486         char *tmp, *curtoken;
 487         curtoken = (char *) buf;
 488
 489         if (!card)
 490                 return -EINVAL;
 491
 492         mutex_lock(&card->conf_mutex);
 493         /* check for unknown, too, in case we do not yet know who we are */
 494         if (card->info.type != QETH_CARD_TYPE_OSD &&
 495             card->info.type != QETH_CARD_TYPE_OSX &&
 496             card->info.type != QETH_CARD_TYPE_UNKNOWN) {
 497                 rc = -EOPNOTSUPP;
 498                 dev_err(&card->gdev->dev, "Adapter does not "
 499                         "support QDIO data connection isolation\n");
 500                 goto out;
 501         }
 502
 503         /* parse input into isolation mode */
 504         tmp = strsep(&curtoken, "\n");
 505         if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
 506                 isolation = ISOLATION_MODE_NONE;
 507         } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
 508                 isolation = ISOLATION_MODE_FWD;
 509         } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
 510                 isolation = ISOLATION_MODE_DROP;
 511         } else {
 512                 rc = -EINVAL;
 513                 goto out;
 514         }
 515         rc = count;
 516
 517         /* defer IP assist if device is offline (until discipline->set_online)*/
 518         card->options.isolation = isolation;
 519         if (card->state == CARD_STATE_SOFTSETUP ||
 520             card->state == CARD_STATE_UP) {
 521                 int ipa_rc = qeth_set_access_ctrl_online(card);
 522                 if (ipa_rc != 0)
 523                         rc = ipa_rc;
 524         }
 525 out:
 526         mutex_unlock(&card->conf_mutex);
 527         return rc;
 528 }
 529
 530 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
 531                    qeth_dev_isolation_store);
 532
 533 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
 534 {
 535
 536         if (!card)
 537                 return -EINVAL;
 538
 539         return sprintf(buf, "%i\n", value);
 540 }
 541
 542 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
 543                 const char *buf, size_t count, int *value, int max_value)
 544 {
 545         char *tmp;
 546         int i, rc = 0;
 547
 548         if (!card)
 549                 return -EINVAL;
 550
 551         mutex_lock(&card->conf_mutex);
 552         if ((card->state != CARD_STATE_DOWN) &&
 553             (card->state != CARD_STATE_RECOVER)) {
 554                 rc = -EPERM;
 555                 goto out;
 556         }
 557         i = simple_strtoul(buf, &tmp, 10);
 558         if (i <= max_value)
 559                 *value = i;
 560         else
 561                 rc = -EINVAL;
 562 out:
 563         mutex_unlock(&card->conf_mutex);
 564         return rc ? rc : count;
 565 }
 566
 567 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
 568                                 struct device_attribute *attr, char *buf)
 569 {
 570         struct qeth_card *card = dev_get_drvdata(dev);
 571
 572         return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
 573 }
 574
 575 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
 576                 struct device_attribute *attr, const char *buf, size_t count)
 577 {
 578         struct qeth_card *card = dev_get_drvdata(dev);
 579
 580         return qeth_dev_blkt_store(card, buf, count,
 581                                    &card->info.blkt.time_total, 5000);
 582 }
 583
 584
 585
 586 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
 587                    qeth_dev_blkt_total_store);
 588
 589 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
 590                                 struct device_attribute *attr, char *buf)
 591 {
 592         struct qeth_card *card = dev_get_drvdata(dev);
 593
 594         return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
 595 }
 596
 597 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
 598                 struct device_attribute *attr, const char *buf, size_t count)
 599 {
 600         struct qeth_card *card = dev_get_drvdata(dev);
 601
 602         return qeth_dev_blkt_store(card, buf, count,
 603                                    &card->info.blkt.inter_packet, 1000);
 604 }
 605
 606 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
 607                    qeth_dev_blkt_inter_store);
 608
 609 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
 610                                 struct device_attribute *attr, char *buf)
 611 {
 612         struct qeth_card *card = dev_get_drvdata(dev);
 613
 614         return qeth_dev_blkt_show(buf, card,
 615                                   card->info.blkt.inter_packet_jumbo);
 616 }
 617
 618 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
 619                 struct device_attribute *attr, const char *buf, size_t count)
 620 {
 621         struct qeth_card *card = dev_get_drvdata(dev);
 622
 623         return qeth_dev_blkt_store(card, buf, count,
 624                                    &card->info.blkt.inter_packet_jumbo, 1000);
 625 }
 626
 627 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
 628                    qeth_dev_blkt_inter_jumbo_store);
 629
 630 static struct attribute *qeth_blkt_device_attrs[] = {
 631         &dev_attr_total.attr,
 632         &dev_attr_inter.attr,
 633         &dev_attr_inter_jumbo.attr,
 634         NULL,
 635 };
 636
 637 static struct attribute_group qeth_device_blkt_group = {
 638         .name = "blkt",
 639         .attrs = qeth_blkt_device_attrs,
 640 };
 641
 642 static struct attribute *qeth_device_attrs[] = {
 643         &dev_attr_state.attr,
 644         &dev_attr_chpid.attr,
 645         &dev_attr_if_name.attr,
 646         &dev_attr_card_type.attr,
 647         &dev_attr_inbuf_size.attr,
 648         &dev_attr_portno.attr,
 649         &dev_attr_portname.attr,
 650         &dev_attr_priority_queueing.attr,
 651         &dev_attr_buffer_count.attr,
 652         &dev_attr_recover.attr,
 653         &dev_attr_performance_stats.attr,
 654         &dev_attr_layer2.attr,
 655         &dev_attr_isolation.attr,
 656         NULL,
 657 };
 658
 659 static struct attribute_group qeth_device_attr_group = {
 660         .attrs = qeth_device_attrs,
 661 };
 662
 663 static struct attribute *qeth_osn_device_attrs[] = {
 664         &dev_attr_state.attr,
 665         &dev_attr_chpid.attr,
 666         &dev_attr_if_name.attr,
 667         &dev_attr_card_type.attr,
 668         &dev_attr_buffer_count.attr,
 669         &dev_attr_recover.attr,
 670         NULL,
 671 };
 672
 673 static struct attribute_group qeth_osn_device_attr_group = {
 674         .attrs = qeth_osn_device_attrs,
 675 };
 676
 677 int qeth_core_create_device_attributes(struct device *dev)
 678 {
 679         int ret;
 680         ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group);
 681         if (ret)
 682                 return ret;
 683         ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group);
 684         if (ret)
 685                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
 686
 687         return 0;
 688 }
 689
 690 void qeth_core_remove_device_attributes(struct device *dev)
 691 {
 692         sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
 693         sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
 694 }
 695
 696 int qeth_core_create_osn_attributes(struct device *dev)
 697 {
 698         return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group);
 699 }
 700
 701 void qeth_core_remove_osn_attributes(struct device *dev)
 702 {
 703         sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
 704         return;
 705 }