drivers/s390/net/qeth_sys.c

   1 /*
   2  *
   3  * linux/drivers/s390/net/qeth_sys.c
   4  *
   5  * Linux on zSeries OSA Express and HiperSockets support
   6  * This file contains code related to sysfs.
   7  *
   8  * Copyright 2000,2003 IBM Corporation
   9  *
  10  * Author(s): Thomas Spatzier <tspat@de.ibm.com>
  11  *            Frank Pavlic <fpavlic@de.ibm.com>
  12  *
  13  */
  14 #include <linux/list.h>
  15 #include <linux/rwsem.h>
  16
  17 #include <asm/ebcdic.h>
  18
  19 #include "qeth.h"
  20 #include "qeth_mpc.h"
  21 #include "qeth_fs.h"
  22
  23 /*****************************************************************************/
  24 /*                                                                           */
  25 /*          /sys-fs stuff UNDER DEVELOPMENT !!!                              */
  26 /*                                                                           */
  27 /*****************************************************************************/
  28 //low/high watermark
  29
  30 static ssize_t
  31 qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf)
  32 {
  33         struct qeth_card *card = dev->driver_data;
  34         if (!card)
  35                 return -EINVAL;
  36
  37         switch (card->state) {
  38         case CARD_STATE_DOWN:
  39                 return sprintf(buf, "DOWN\n");
  40         case CARD_STATE_HARDSETUP:
  41                 return sprintf(buf, "HARDSETUP\n");
  42         case CARD_STATE_SOFTSETUP:
  43                 return sprintf(buf, "SOFTSETUP\n");
  44         case CARD_STATE_UP:
  45                 if (card->lan_online)
  46                 return sprintf(buf, "UP (LAN ONLINE)\n");
  47                 else
  48                         return sprintf(buf, "UP (LAN OFFLINE)\n");
  49         case CARD_STATE_RECOVER:
  50                 return sprintf(buf, "RECOVER\n");
  51         default:
  52                 return sprintf(buf, "UNKNOWN\n");
  53         }
  54 }
  55
  56 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
  57
  58 static ssize_t
  59 qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf)
  60 {
  61         struct qeth_card *card = dev->driver_data;
  62         if (!card)
  63                 return -EINVAL;
  64
  65         return sprintf(buf, "%02X\n", card->info.chpid);
  66 }
  67
  68 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
  69
  70 static ssize_t
  71 qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf)
  72 {
  73         struct qeth_card *card = dev->driver_data;
  74         if (!card)
  75                 return -EINVAL;
  76         return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
  77 }
  78
  79 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
  80
  81 static ssize_t
  82 qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf)
  83 {
  84         struct qeth_card *card = dev->driver_data;
  85         if (!card)
  86                 return -EINVAL;
  87
  88         return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
  89 }
  90
  91 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
  92
  93 static ssize_t
  94 qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf)
  95 {
  96         struct qeth_card *card = dev->driver_data;
  97         if (!card)
  98                 return -EINVAL;
  99
 100         return sprintf(buf, "%i\n", card->info.portno);
 101 }
 102
 103 static ssize_t
 104 qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 105 {
 106         struct qeth_card *card = dev->driver_data;
 107         char *tmp;
 108         unsigned int portno;
 109
 110         if (!card)
 111                 return -EINVAL;
 112
 113         if ((card->state != CARD_STATE_DOWN) &&
 114             (card->state != CARD_STATE_RECOVER))
 115                 return -EPERM;
 116
 117         portno = simple_strtoul(buf, &tmp, 16);
 118         if (portno > MAX_PORTNO){
 119                 PRINT_WARN("portno 0x%X is out of range\n", portno);
 120                 return -EINVAL;
 121         }
 122
 123         card->info.portno = portno;
 124         return count;
 125 }
 126
 127 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
 128
 129 static ssize_t
 130 qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf)
 131 {
 132         struct qeth_card *card = dev->driver_data;
 133         char portname[9] = {0, };
 134
 135         if (!card)
 136                 return -EINVAL;
 137
 138         if (card->info.portname_required) {
 139                 memcpy(portname, card->info.portname + 1, 8);
 140                 EBCASC(portname, 8);
 141                 return sprintf(buf, "%s\n", portname);
 142         } else
 143                 return sprintf(buf, "no portname required\n");
 144 }
 145
 146 static ssize_t
 147 qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 148 {
 149         struct qeth_card *card = dev->driver_data;
 150         char *tmp;
 151         int i;
 152
 153         if (!card)
 154                 return -EINVAL;
 155
 156         if ((card->state != CARD_STATE_DOWN) &&
 157             (card->state != CARD_STATE_RECOVER))
 158                 return -EPERM;
 159
 160         tmp = strsep((char **) &buf, "\n");
 161         if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
 162                 return -EINVAL;
 163
 164         card->info.portname[0] = strlen(tmp);
 165         /* for beauty reasons */
 166         for (i = 1; i < 9; i++)
 167                 card->info.portname[i] = ' ';
 168         strcpy(card->info.portname + 1, tmp);
 169         ASCEBC(card->info.portname + 1, 8);
 170
 171         return count;
 172 }
 173
 174 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
 175                 qeth_dev_portname_store);
 176
 177 static ssize_t
 178 qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf)
 179 {
 180         struct qeth_card *card = dev->driver_data;
 181
 182         if (!card)
 183                 return -EINVAL;
 184
 185         return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card));
 186 }
 187
 188 static ssize_t
 189 qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 190 {
 191         struct qeth_card *card = dev->driver_data;
 192         char *tmp;
 193
 194         if (!card)
 195                 return -EINVAL;
 196
 197         if ((card->state != CARD_STATE_DOWN) &&
 198             (card->state != CARD_STATE_RECOVER))
 199                 return -EPERM;
 200
 201         tmp = strsep((char **) &buf, "\n");
 202         if (!strcmp(tmp, "sw_checksumming"))
 203                 card->options.checksum_type = SW_CHECKSUMMING;
 204         else if (!strcmp(tmp, "hw_checksumming"))
 205                 card->options.checksum_type = HW_CHECKSUMMING;
 206         else if (!strcmp(tmp, "no_checksumming"))
 207                 card->options.checksum_type = NO_CHECKSUMMING;
 208         else {
 209                 PRINT_WARN("Unknown checksumming type '%s'\n", tmp);
 210                 return -EINVAL;
 211         }
 212         return count;
 213 }
 214
 215 static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show,
 216                 qeth_dev_checksum_store);
 217
 218 static ssize_t
 219 qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf)
 220 {
 221         struct qeth_card *card = dev->driver_data;
 222
 223         if (!card)
 224                 return -EINVAL;
 225
 226         switch (card->qdio.do_prio_queueing) {
 227         case QETH_PRIO_Q_ING_PREC:
 228                 return sprintf(buf, "%s\n", "by precedence");
 229         case QETH_PRIO_Q_ING_TOS:
 230                 return sprintf(buf, "%s\n", "by type of service");
 231         default:
 232                 return sprintf(buf, "always queue %i\n",
 233                                card->qdio.default_out_queue);
 234         }
 235 }
 236
 237 static ssize_t
 238 qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 239 {
 240         struct qeth_card *card = dev->driver_data;
 241         char *tmp;
 242
 243         if (!card)
 244                 return -EINVAL;
 245
 246         if ((card->state != CARD_STATE_DOWN) &&
 247             (card->state != CARD_STATE_RECOVER))
 248                 return -EPERM;
 249
 250         /* check if 1920 devices are supported ,
 251          * if though we have to permit priority queueing
 252          */
 253         if (card->qdio.no_out_queues == 1) {
 254                 PRINT_WARN("Priority queueing disabled due "
 255                            "to hardware limitations!\n");
 256                 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
 257                 return -EPERM;
 258         }
 259
 260         tmp = strsep((char **) &buf, "\n");
 261         if (!strcmp(tmp, "prio_queueing_prec"))
 262                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
 263         else if (!strcmp(tmp, "prio_queueing_tos"))
 264                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
 265         else if (!strcmp(tmp, "no_prio_queueing:0")) {
 266                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 267                 card->qdio.default_out_queue = 0;
 268         } else if (!strcmp(tmp, "no_prio_queueing:1")) {
 269                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 270                 card->qdio.default_out_queue = 1;
 271         } else if (!strcmp(tmp, "no_prio_queueing:2")) {
 272                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 273                 card->qdio.default_out_queue = 2;
 274         } else if (!strcmp(tmp, "no_prio_queueing:3")) {
 275                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 276                 card->qdio.default_out_queue = 3;
 277         } else if (!strcmp(tmp, "no_prio_queueing")) {
 278                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 279                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 280         } else {
 281                 PRINT_WARN("Unknown queueing type '%s'\n", tmp);
 282                 return -EINVAL;
 283         }
 284         return count;
 285 }
 286
 287 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
 288                 qeth_dev_prioqing_store);
 289
 290 static ssize_t
 291 qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf)
 292 {
 293         struct qeth_card *card = dev->driver_data;
 294
 295         if (!card)
 296                 return -EINVAL;
 297
 298         return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
 299 }
 300
 301 static ssize_t
 302 qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 303 {
 304         struct qeth_card *card = dev->driver_data;
 305         char *tmp;
 306         int cnt, old_cnt;
 307         int rc;
 308
 309         if (!card)
 310                 return -EINVAL;
 311
 312         if ((card->state != CARD_STATE_DOWN) &&
 313             (card->state != CARD_STATE_RECOVER))
 314                 return -EPERM;
 315
 316         old_cnt = card->qdio.in_buf_pool.buf_count;
 317         cnt = simple_strtoul(buf, &tmp, 10);
 318         cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
 319                 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
 320         if (old_cnt != cnt) {
 321                 if ((rc = qeth_realloc_buffer_pool(card, cnt)))
 322                         PRINT_WARN("Error (%d) while setting "
 323                                    "buffer count.\n", rc);
 324         }
 325         return count;
 326 }
 327
 328 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
 329                 qeth_dev_bufcnt_store);
 330
 331 static inline ssize_t
 332 qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
 333                     char *buf)
 334 {
 335         switch (route->type) {
 336         case PRIMARY_ROUTER:
 337                 return sprintf(buf, "%s\n", "primary router");
 338         case SECONDARY_ROUTER:
 339                 return sprintf(buf, "%s\n", "secondary router");
 340         case MULTICAST_ROUTER:
 341                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 342                         return sprintf(buf, "%s\n", "multicast router+");
 343                 else
 344                         return sprintf(buf, "%s\n", "multicast router");
 345         case PRIMARY_CONNECTOR:
 346                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 347                         return sprintf(buf, "%s\n", "primary connector+");
 348                 else
 349                         return sprintf(buf, "%s\n", "primary connector");
 350         case SECONDARY_CONNECTOR:
 351                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 352                         return sprintf(buf, "%s\n", "secondary connector+");
 353                 else
 354                         return sprintf(buf, "%s\n", "secondary connector");
 355         default:
 356                 return sprintf(buf, "%s\n", "no");
 357         }
 358 }
 359
 360 static ssize_t
 361 qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf)
 362 {
 363         struct qeth_card *card = dev->driver_data;
 364
 365         if (!card)
 366                 return -EINVAL;
 367
 368         return qeth_dev_route_show(card, &card->options.route4, buf);
 369 }
 370
 371 static inline ssize_t
 372 qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
 373                 enum qeth_prot_versions prot, const char *buf, size_t count)
 374 {
 375         enum qeth_routing_types old_route_type = route->type;
 376         char *tmp;
 377         int rc;
 378
 379         tmp = strsep((char **) &buf, "\n");
 380
 381         if (!strcmp(tmp, "no_router")){
 382                 route->type = NO_ROUTER;
 383         } else if (!strcmp(tmp, "primary_connector")) {
 384                 route->type = PRIMARY_CONNECTOR;
 385         } else if (!strcmp(tmp, "secondary_connector")) {
 386                 route->type = SECONDARY_CONNECTOR;
 387         } else if (!strcmp(tmp, "multicast_router")) {
 388                 route->type = MULTICAST_ROUTER;
 389         } else if (!strcmp(tmp, "primary_router")) {
 390                 route->type = PRIMARY_ROUTER;
 391         } else if (!strcmp(tmp, "secondary_router")) {
 392                 route->type = SECONDARY_ROUTER;
 393         } else if (!strcmp(tmp, "multicast_router")) {
 394                 route->type = MULTICAST_ROUTER;
 395         } else {
 396                 PRINT_WARN("Invalid routing type '%s'.\n", tmp);
 397                 return -EINVAL;
 398         }
 399         if (((card->state == CARD_STATE_SOFTSETUP) ||
 400              (card->state == CARD_STATE_UP)) &&
 401             (old_route_type != route->type)){
 402                 if (prot == QETH_PROT_IPV4)
 403                         rc = qeth_setrouting_v4(card);
 404                 else if (prot == QETH_PROT_IPV6)
 405                         rc = qeth_setrouting_v6(card);
 406         }
 407         return count;
 408 }
 409
 410 static ssize_t
 411 qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 412 {
 413         struct qeth_card *card = dev->driver_data;
 414
 415         if (!card)
 416                 return -EINVAL;
 417
 418         return qeth_dev_route_store(card, &card->options.route4,
 419                                     QETH_PROT_IPV4, buf, count);
 420 }
 421
 422 static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store);
 423
 424 #ifdef CONFIG_QETH_IPV6
 425 static ssize_t
 426 qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf)
 427 {
 428         struct qeth_card *card = dev->driver_data;
 429
 430         if (!card)
 431                 return -EINVAL;
 432
 433         if (!qeth_is_supported(card, IPA_IPV6))
 434                 return sprintf(buf, "%s\n", "n/a");
 435
 436         return qeth_dev_route_show(card, &card->options.route6, buf);
 437 }
 438
 439 static ssize_t
 440 qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 441 {
 442         struct qeth_card *card = dev->driver_data;
 443
 444         if (!card)
 445                 return -EINVAL;
 446
 447         if (!qeth_is_supported(card, IPA_IPV6)){
 448                 PRINT_WARN("IPv6 not supported for interface %s.\n"
 449                            "Routing status no changed.\n",
 450                            QETH_CARD_IFNAME(card));
 451                 return -ENOTSUPP;
 452         }
 453
 454         return qeth_dev_route_store(card, &card->options.route6,
 455                                     QETH_PROT_IPV6, buf, count);
 456 }
 457
 458 static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store);
 459 #endif
 460
 461 static ssize_t
 462 qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf)
 463 {
 464         struct qeth_card *card = dev->driver_data;
 465
 466         if (!card)
 467                 return -EINVAL;
 468
 469         return sprintf(buf, "%i\n", card->options.add_hhlen);
 470 }
 471
 472 static ssize_t
 473 qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 474 {
 475         struct qeth_card *card = dev->driver_data;
 476         char *tmp;
 477         int i;
 478
 479         if (!card)
 480                 return -EINVAL;
 481
 482         if ((card->state != CARD_STATE_DOWN) &&
 483             (card->state != CARD_STATE_RECOVER))
 484                 return -EPERM;
 485
 486         i = simple_strtoul(buf, &tmp, 10);
 487         if ((i < 0) || (i > MAX_ADD_HHLEN)) {
 488                 PRINT_WARN("add_hhlen out of range\n");
 489                 return -EINVAL;
 490         }
 491         card->options.add_hhlen = i;
 492
 493         return count;
 494 }
 495
 496 static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
 497                    qeth_dev_add_hhlen_store);
 498
 499 static ssize_t
 500 qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf)
 501 {
 502         struct qeth_card *card = dev->driver_data;
 503
 504         if (!card)
 505                 return -EINVAL;
 506
 507         return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
 508 }
 509
 510 static ssize_t
 511 qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 512 {
 513         struct qeth_card *card = dev->driver_data;
 514         char *tmp;
 515         int i;
 516
 517         if (!card)
 518                 return -EINVAL;
 519
 520         if ((card->state != CARD_STATE_DOWN) &&
 521             (card->state != CARD_STATE_RECOVER))
 522                 return -EPERM;
 523
 524         i = simple_strtoul(buf, &tmp, 16);
 525         if ((i != 0) && (i != 1)) {
 526                 PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
 527                 return -EINVAL;
 528         }
 529         card->options.fake_ll = i;
 530         return count;
 531 }
 532
 533 static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
 534                    qeth_dev_fake_ll_store);
 535
 536 static ssize_t
 537 qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf)
 538 {
 539         struct qeth_card *card = dev->driver_data;
 540
 541         if (!card)
 542                 return -EINVAL;
 543
 544         return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
 545 }
 546
 547 static ssize_t
 548 qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 549 {
 550         struct qeth_card *card = dev->driver_data;
 551         char *tmp;
 552         int i;
 553
 554         if (!card)
 555                 return -EINVAL;
 556
 557         if ((card->state != CARD_STATE_DOWN) &&
 558             (card->state != CARD_STATE_RECOVER))
 559                 return -EPERM;
 560
 561         i = simple_strtoul(buf, &tmp, 16);
 562         if ((i == 0) || (i == 1))
 563                 card->options.fake_broadcast = i;
 564         else {
 565                 PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
 566                 return -EINVAL;
 567         }
 568         return count;
 569 }
 570
 571 static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
 572                    qeth_dev_fake_broadcast_store);
 573
 574 static ssize_t
 575 qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 576 {
 577         struct qeth_card *card = dev->driver_data;
 578         char *tmp;
 579         int i;
 580
 581         if (!card)
 582                 return -EINVAL;
 583
 584         if (card->state != CARD_STATE_UP)
 585                 return -EPERM;
 586
 587         i = simple_strtoul(buf, &tmp, 16);
 588         if (i == 1)
 589                 qeth_schedule_recovery(card);
 590
 591         return count;
 592 }
 593
 594 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
 595
 596 static ssize_t
 597 qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
 598 {
 599         struct qeth_card *card = dev->driver_data;
 600
 601         if (!card)
 602                 return -EINVAL;
 603
 604         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 605               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
 606                 return sprintf(buf, "n/a\n");
 607
 608         return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
 609                                      QETH_TR_BROADCAST_ALLRINGS)?
 610                        "all rings":"local");
 611 }
 612
 613 static ssize_t
 614 qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 615 {
 616         struct qeth_card *card = dev->driver_data;
 617         char *tmp;
 618
 619         if (!card)
 620                 return -EINVAL;
 621
 622         if ((card->state != CARD_STATE_DOWN) &&
 623             (card->state != CARD_STATE_RECOVER))
 624                 return -EPERM;
 625
 626         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 627               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
 628                 PRINT_WARN("Device is not a tokenring device!\n");
 629                 return -EINVAL;
 630         }
 631
 632         tmp = strsep((char **) &buf, "\n");
 633
 634         if (!strcmp(tmp, "local")){
 635                 card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
 636                 return count;
 637         } else if (!strcmp(tmp, "all_rings")) {
 638                 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
 639                 return count;
 640         } else {
 641                 PRINT_WARN("broadcast_mode: invalid mode %s!\n",
 642                            tmp);
 643                 return -EINVAL;
 644         }
 645         return count;
 646 }
 647
 648 static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
 649                    qeth_dev_broadcast_mode_store);
 650
 651 static ssize_t
 652 qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf)
 653 {
 654         struct qeth_card *card = dev->driver_data;
 655
 656         if (!card)
 657                 return -EINVAL;
 658
 659         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 660               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
 661                 return sprintf(buf, "n/a\n");
 662
 663         return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
 664                                      QETH_TR_MACADDR_CANONICAL)? 1:0);
 665 }
 666
 667 static ssize_t
 668 qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf,
 669                                   size_t count)
 670 {
 671         struct qeth_card *card = dev->driver_data;
 672         char *tmp;
 673         int i;
 674
 675         if (!card)
 676                 return -EINVAL;
 677
 678         if ((card->state != CARD_STATE_DOWN) &&
 679             (card->state != CARD_STATE_RECOVER))
 680                 return -EPERM;
 681
 682         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 683               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
 684                 PRINT_WARN("Device is not a tokenring device!\n");
 685                 return -EINVAL;
 686         }
 687
 688         i = simple_strtoul(buf, &tmp, 16);
 689         if ((i == 0) || (i == 1))
 690                 card->options.macaddr_mode = i?
 691                         QETH_TR_MACADDR_CANONICAL :
 692                         QETH_TR_MACADDR_NONCANONICAL;
 693         else {
 694                 PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
 695                 return -EINVAL;
 696         }
 697         return count;
 698 }
 699
 700 static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
 701                    qeth_dev_canonical_macaddr_store);
 702
 703 static ssize_t
 704 qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf)
 705 {
 706         struct qeth_card *card = dev->driver_data;
 707
 708         if (!card)
 709                 return -EINVAL;
 710
 711         return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
 712 }
 713
 714 static ssize_t
 715 qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 716 {
 717         struct qeth_card *card = dev->driver_data;
 718         char *tmp;
 719         int i;
 720
 721         if (!card)
 722                 return -EINVAL;
 723         if (card->info.type == QETH_CARD_TYPE_IQD) {
 724                 PRINT_WARN("Layer2 on Hipersockets is not supported! \n");
 725                 return -EPERM;
 726         }
 727
 728         if (((card->state != CARD_STATE_DOWN) &&
 729              (card->state != CARD_STATE_RECOVER)))
 730                 return -EPERM;
 731
 732         i = simple_strtoul(buf, &tmp, 16);
 733         if ((i == 0) || (i == 1))
 734                 card->options.layer2 = i;
 735         else {
 736                 PRINT_WARN("layer2: write 0 or 1 to this file!\n");
 737                 return -EINVAL;
 738         }
 739         return count;
 740 }
 741
 742 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 743                    qeth_dev_layer2_store);
 744
 745 static ssize_t
 746 qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf)
 747 {
 748         struct qeth_card *card = dev->driver_data;
 749
 750         if (!card)
 751                 return -EINVAL;
 752
 753         switch (card->options.large_send) {
 754         case QETH_LARGE_SEND_NO:
 755                 return sprintf(buf, "%s\n", "no");
 756         case QETH_LARGE_SEND_EDDP:
 757                 return sprintf(buf, "%s\n", "EDDP");
 758         case QETH_LARGE_SEND_TSO:
 759                 return sprintf(buf, "%s\n", "TSO");
 760         default:
 761                 return sprintf(buf, "%s\n", "N/A");
 762         }
 763 }
 764
 765 static ssize_t
 766 qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 767 {
 768         struct qeth_card *card = dev->driver_data;
 769         enum qeth_large_send_types type;
 770         int rc = 0;
 771         char *tmp;
 772
 773         if (!card)
 774                 return -EINVAL;
 775         tmp = strsep((char **) &buf, "\n");
 776         if (!strcmp(tmp, "no")){
 777                 type = QETH_LARGE_SEND_NO;
 778         } else if (!strcmp(tmp, "EDDP")) {
 779                 type = QETH_LARGE_SEND_EDDP;
 780         } else if (!strcmp(tmp, "TSO")) {
 781                 type = QETH_LARGE_SEND_TSO;
 782         } else {
 783                 PRINT_WARN("large_send: invalid mode %s!\n", tmp);
 784                 return -EINVAL;
 785         }
 786         if (card->options.large_send == type)
 787                 return count;
 788         if ((rc = qeth_set_large_send(card, type)))
 789                 return rc;
 790         return count;
 791 }
 792
 793 static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
 794                    qeth_dev_large_send_store);
 795
 796 static ssize_t
 797 qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
 798 {
 799
 800         if (!card)
 801                 return -EINVAL;
 802
 803         return sprintf(buf, "%i\n", value);
 804 }
 805
 806 static ssize_t
 807 qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
 808                           int *value, int max_value)
 809 {
 810         char *tmp;
 811         int i;
 812
 813         if (!card)
 814                 return -EINVAL;
 815
 816         if ((card->state != CARD_STATE_DOWN) &&
 817             (card->state != CARD_STATE_RECOVER))
 818                 return -EPERM;
 819
 820         i = simple_strtoul(buf, &tmp, 10);
 821         if (i <= max_value) {
 822                 *value = i;
 823         } else {
 824                 PRINT_WARN("blkt total time: write values between"
 825                            " 0 and %d to this file!\n", max_value);
 826                 return -EINVAL;
 827         }
 828         return count;
 829 }
 830
 831 static ssize_t
 832 qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf)
 833 {
 834         struct qeth_card *card = dev->driver_data;
 835
 836         return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
 837 }
 838
 839
 840 static ssize_t
 841 qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 842 {
 843         struct qeth_card *card = dev->driver_data;
 844
 845         return qeth_dev_blkt_store(card, buf, count,
 846                                    &card->info.blkt.time_total,1000);
 847 }
 848
 849
 850
 851 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
 852                    qeth_dev_blkt_total_store);
 853
 854 static ssize_t
 855 qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf)
 856 {
 857         struct qeth_card *card = dev->driver_data;
 858
 859         return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
 860 }
 861
 862
 863 static ssize_t
 864 qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 865 {
 866         struct qeth_card *card = dev->driver_data;
 867
 868         return qeth_dev_blkt_store(card, buf, count,
 869                                    &card->info.blkt.inter_packet,100);
 870 }
 871
 872 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
 873                    qeth_dev_blkt_inter_store);
 874
 875 static ssize_t
 876 qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf)
 877 {
 878         struct qeth_card *card = dev->driver_data;
 879
 880         return qeth_dev_blkt_show(buf, card,
 881                                   card->info.blkt.inter_packet_jumbo);
 882 }
 883
 884
 885 static ssize_t
 886 qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 887 {
 888         struct qeth_card *card = dev->driver_data;
 889
 890         return qeth_dev_blkt_store(card, buf, count,
 891                                    &card->info.blkt.inter_packet_jumbo,100);
 892 }
 893
 894 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
 895                    qeth_dev_blkt_inter_jumbo_store);
 896
 897 static struct device_attribute * qeth_blkt_device_attrs[] = {
 898         &dev_attr_total,
 899         &dev_attr_inter,
 900         &dev_attr_inter_jumbo,
 901         NULL,
 902 };
 903
 904 static struct attribute_group qeth_device_blkt_group = {
 905         .name = "blkt",
 906         .attrs = (struct attribute **)qeth_blkt_device_attrs,
 907 };
 908
 909 static struct device_attribute * qeth_device_attrs[] = {
 910         &dev_attr_state,
 911         &dev_attr_chpid,
 912         &dev_attr_if_name,
 913         &dev_attr_card_type,
 914         &dev_attr_portno,
 915         &dev_attr_portname,
 916         &dev_attr_checksumming,
 917         &dev_attr_priority_queueing,
 918         &dev_attr_buffer_count,
 919         &dev_attr_route4,
 920 #ifdef CONFIG_QETH_IPV6
 921         &dev_attr_route6,
 922 #endif
 923         &dev_attr_add_hhlen,
 924         &dev_attr_fake_ll,
 925         &dev_attr_fake_broadcast,
 926         &dev_attr_recover,
 927         &dev_attr_broadcast_mode,
 928         &dev_attr_canonical_macaddr,
 929         &dev_attr_layer2,
 930         &dev_attr_large_send,
 931         NULL,
 932 };
 933
 934 static struct attribute_group qeth_device_attr_group = {
 935         .attrs = (struct attribute **)qeth_device_attrs,
 936 };
 937
 938 static struct device_attribute * qeth_osn_device_attrs[] = {
 939         &dev_attr_state,
 940         &dev_attr_chpid,
 941         &dev_attr_if_name,
 942         &dev_attr_card_type,
 943         &dev_attr_buffer_count,
 944         &dev_attr_recover,
 945         NULL,
 946 };
 947
 948 static struct attribute_group qeth_osn_device_attr_group = {
 949         .attrs = (struct attribute **)qeth_osn_device_attrs,
 950 };
 951
 952 #define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store)                       \
 953 struct device_attribute dev_attr_##_id = {                                   \
 954         .attr = {.name=__stringify(_name), .mode=_mode, .owner=THIS_MODULE },\
 955         .show   = _show,                                                     \
 956         .store  = _store,                                                    \
 957 };
 958
 959 int
 960 qeth_check_layer2(struct qeth_card *card)
 961 {
 962         if (card->options.layer2)
 963                 return -EPERM;
 964         return 0;
 965 }
 966
 967
 968 static ssize_t
 969 qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
 970 {
 971         struct qeth_card *card = dev->driver_data;
 972
 973         if (!card)
 974                 return -EINVAL;
 975
 976         if (qeth_check_layer2(card))
 977                 return -EPERM;
 978         return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
 979 }
 980
 981 static ssize_t
 982 qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 983 {
 984         struct qeth_card *card = dev->driver_data;
 985         char *tmp;
 986
 987         if (!card)
 988                 return -EINVAL;
 989
 990         if ((card->state != CARD_STATE_DOWN) &&
 991             (card->state != CARD_STATE_RECOVER))
 992                 return -EPERM;
 993
 994         if (qeth_check_layer2(card))
 995                 return -EPERM;
 996
 997         tmp = strsep((char **) &buf, "\n");
 998         if (!strcmp(tmp, "toggle")){
 999                 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
1000         } else if (!strcmp(tmp, "1")){
1001                 card->ipato.enabled = 1;
1002         } else if (!strcmp(tmp, "0")){
1003                 card->ipato.enabled = 0;
1004         } else {
1005                 PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to "
1006                            "this file\n");
1007                 return -EINVAL;
1008         }
1009         return count;
1010 }
1011
1012 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
1013                         qeth_dev_ipato_enable_show,
1014                         qeth_dev_ipato_enable_store);
1015
1016 static ssize_t
1017 qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf)
1018 {
1019         struct qeth_card *card = dev->driver_data;
1020
1021         if (!card)
1022                 return -EINVAL;
1023
1024         if (qeth_check_layer2(card))
1025                 return -EPERM;
1026
1027         return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
1028 }
1029
1030 static ssize_t
1031 qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1032 {
1033         struct qeth_card *card = dev->driver_data;
1034         char *tmp;
1035
1036         if (!card)
1037                 return -EINVAL;
1038
1039         if (qeth_check_layer2(card))
1040                 return -EPERM;
1041
1042         tmp = strsep((char **) &buf, "\n");
1043         if (!strcmp(tmp, "toggle")){
1044                 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
1045         } else if (!strcmp(tmp, "1")){
1046                 card->ipato.invert4 = 1;
1047         } else if (!strcmp(tmp, "0")){
1048                 card->ipato.invert4 = 0;
1049         } else {
1050                 PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to "
1051                            "this file\n");
1052                 return -EINVAL;
1053         }
1054         return count;
1055 }
1056
1057 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
1058                         qeth_dev_ipato_invert4_show,
1059                         qeth_dev_ipato_invert4_store);
1060
1061 static inline ssize_t
1062 qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
1063                         enum qeth_prot_versions proto)
1064 {
1065         struct qeth_ipato_entry *ipatoe;
1066         unsigned long flags;
1067         char addr_str[40];
1068         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1069         int i = 0;
1070
1071         if (qeth_check_layer2(card))
1072                 return -EPERM;
1073
1074         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1075         /* add strlen for "/<mask>\n" */
1076         entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
1077         spin_lock_irqsave(&card->ip_lock, flags);
1078         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
1079                 if (ipatoe->proto != proto)
1080                         continue;
1081                 /* String must not be longer than PAGE_SIZE. So we check if
1082                  * string length gets near PAGE_SIZE. Then we can savely display
1083                  * the next IPv6 address (worst case, compared to IPv4) */
1084                 if ((PAGE_SIZE - i) <= entry_len)
1085                         break;
1086                 qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str);
1087                 i += snprintf(buf + i, PAGE_SIZE - i,
1088                               "%s/%i\n", addr_str, ipatoe->mask_bits);
1089         }
1090         spin_unlock_irqrestore(&card->ip_lock, flags);
1091         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1092
1093         return i;
1094 }
1095
1096 static ssize_t
1097 qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1098 {
1099         struct qeth_card *card = dev->driver_data;
1100
1101         if (!card)
1102                 return -EINVAL;
1103
1104         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
1105 }
1106
1107 static inline int
1108 qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
1109                   u8 *addr, int *mask_bits)
1110 {
1111         const char *start, *end;
1112         char *tmp;
1113         char buffer[49] = {0, };
1114
1115         start = buf;
1116         /* get address string */
1117         end = strchr(start, '/');
1118         if (!end || (end-start >= 49)){
1119                 PRINT_WARN("Invalid format for ipato_addx/delx. "
1120                            "Use <ip addr>/<mask bits>\n");
1121                 return -EINVAL;
1122         }
1123         strncpy(buffer, start, end - start);
1124         if (qeth_string_to_ipaddr(buffer, proto, addr)){
1125                 PRINT_WARN("Invalid IP address format!\n");
1126                 return -EINVAL;
1127         }
1128         start = end + 1;
1129         *mask_bits = simple_strtoul(start, &tmp, 10);
1130
1131         return 0;
1132 }
1133
1134 static inline ssize_t
1135 qeth_dev_ipato_add_store(const char *buf, size_t count,
1136                          struct qeth_card *card, enum qeth_prot_versions proto)
1137 {
1138         struct qeth_ipato_entry *ipatoe;
1139         u8 addr[16];
1140         int mask_bits;
1141         int rc;
1142
1143         if (qeth_check_layer2(card))
1144                 return -EPERM;
1145         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1146                 return rc;
1147
1148         if (!(ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
1149                 PRINT_WARN("No memory to allocate ipato entry\n");
1150                 return -ENOMEM;
1151         }
1152         ipatoe->proto = proto;
1153         memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
1154         ipatoe->mask_bits = mask_bits;
1155
1156         if ((rc = qeth_add_ipato_entry(card, ipatoe))){
1157                 kfree(ipatoe);
1158                 return rc;
1159         }
1160
1161         return count;
1162 }
1163
1164 static ssize_t
1165 qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1166 {
1167         struct qeth_card *card = dev->driver_data;
1168
1169         if (!card)
1170                 return -EINVAL;
1171
1172         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
1173 }
1174
1175 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
1176                         qeth_dev_ipato_add4_show,
1177                         qeth_dev_ipato_add4_store);
1178
1179 static inline ssize_t
1180 qeth_dev_ipato_del_store(const char *buf, size_t count,
1181                          struct qeth_card *card, enum qeth_prot_versions proto)
1182 {
1183         u8 addr[16];
1184         int mask_bits;
1185         int rc;
1186
1187         if (qeth_check_layer2(card))
1188                 return -EPERM;
1189         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1190                 return rc;
1191
1192         qeth_del_ipato_entry(card, proto, addr, mask_bits);
1193
1194         return count;
1195 }
1196
1197 static ssize_t
1198 qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1199 {
1200         struct qeth_card *card = dev->driver_data;
1201
1202         if (!card)
1203                 return -EINVAL;
1204
1205         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
1206 }
1207
1208 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
1209                         qeth_dev_ipato_del4_store);
1210
1211 #ifdef CONFIG_QETH_IPV6
1212 static ssize_t
1213 qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf)
1214 {
1215         struct qeth_card *card = dev->driver_data;
1216
1217         if (!card)
1218                 return -EINVAL;
1219
1220         if (qeth_check_layer2(card))
1221                 return -EPERM;
1222
1223         return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
1224 }
1225
1226 static ssize_t
1227 qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1228 {
1229         struct qeth_card *card = dev->driver_data;
1230         char *tmp;
1231
1232         if (!card)
1233                 return -EINVAL;
1234
1235         if (qeth_check_layer2(card))
1236                 return -EPERM;
1237
1238         tmp = strsep((char **) &buf, "\n");
1239         if (!strcmp(tmp, "toggle")){
1240                 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
1241         } else if (!strcmp(tmp, "1")){
1242                 card->ipato.invert6 = 1;
1243         } else if (!strcmp(tmp, "0")){
1244                 card->ipato.invert6 = 0;
1245         } else {
1246                 PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to "
1247                            "this file\n");
1248                 return -EINVAL;
1249         }
1250         return count;
1251 }
1252
1253 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
1254                         qeth_dev_ipato_invert6_show,
1255                         qeth_dev_ipato_invert6_store);
1256
1257
1258 static ssize_t
1259 qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1260 {
1261         struct qeth_card *card = dev->driver_data;
1262
1263         if (!card)
1264                 return -EINVAL;
1265
1266         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
1267 }
1268
1269 static ssize_t
1270 qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1271 {
1272         struct qeth_card *card = dev->driver_data;
1273
1274         if (!card)
1275                 return -EINVAL;
1276
1277         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
1278 }
1279
1280 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
1281                         qeth_dev_ipato_add6_show,
1282                         qeth_dev_ipato_add6_store);
1283
1284 static ssize_t
1285 qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1286 {
1287         struct qeth_card *card = dev->driver_data;
1288
1289         if (!card)
1290                 return -EINVAL;
1291
1292         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
1293 }
1294
1295 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
1296                         qeth_dev_ipato_del6_store);
1297 #endif /* CONFIG_QETH_IPV6 */
1298
1299 static struct device_attribute * qeth_ipato_device_attrs[] = {
1300         &dev_attr_ipato_enable,
1301         &dev_attr_ipato_invert4,
1302         &dev_attr_ipato_add4,
1303         &dev_attr_ipato_del4,
1304 #ifdef CONFIG_QETH_IPV6
1305         &dev_attr_ipato_invert6,
1306         &dev_attr_ipato_add6,
1307         &dev_attr_ipato_del6,
1308 #endif
1309         NULL,
1310 };
1311
1312 static struct attribute_group qeth_device_ipato_group = {
1313         .name = "ipa_takeover",
1314         .attrs = (struct attribute **)qeth_ipato_device_attrs,
1315 };
1316
1317 static inline ssize_t
1318 qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
1319                         enum qeth_prot_versions proto)
1320 {
1321         struct qeth_ipaddr *ipaddr;
1322         char addr_str[40];
1323         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1324         unsigned long flags;
1325         int i = 0;
1326
1327         if (qeth_check_layer2(card))
1328                 return -EPERM;
1329
1330         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1331         entry_len += 2; /* \n + terminator */
1332         spin_lock_irqsave(&card->ip_lock, flags);
1333         list_for_each_entry(ipaddr, &card->ip_list, entry){
1334                 if (ipaddr->proto != proto)
1335                         continue;
1336                 if (ipaddr->type != QETH_IP_TYPE_VIPA)
1337                         continue;
1338                 /* String must not be longer than PAGE_SIZE. So we check if
1339                  * string length gets near PAGE_SIZE. Then we can savely display
1340                  * the next IPv6 address (worst case, compared to IPv4) */
1341                 if ((PAGE_SIZE - i) <= entry_len)
1342                         break;
1343                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1344                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1345         }
1346         spin_unlock_irqrestore(&card->ip_lock, flags);
1347         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1348
1349         return i;
1350 }
1351
1352 static ssize_t
1353 qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1354 {
1355         struct qeth_card *card = dev->driver_data;
1356
1357         if (!card)
1358                 return -EINVAL;
1359
1360         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
1361 }
1362
1363 static inline int
1364 qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
1365                  u8 *addr)
1366 {
1367         if (qeth_string_to_ipaddr(buf, proto, addr)){
1368                 PRINT_WARN("Invalid IP address format!\n");
1369                 return -EINVAL;
1370         }
1371         return 0;
1372 }
1373
1374 static inline ssize_t
1375 qeth_dev_vipa_add_store(const char *buf, size_t count,
1376                          struct qeth_card *card, enum qeth_prot_versions proto)
1377 {
1378         u8 addr[16] = {0, };
1379         int rc;
1380
1381         if (qeth_check_layer2(card))
1382                 return -EPERM;
1383         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1384                 return rc;
1385
1386         if ((rc = qeth_add_vipa(card, proto, addr)))
1387                 return rc;
1388
1389         return count;
1390 }
1391
1392 static ssize_t
1393 qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1394 {
1395         struct qeth_card *card = dev->driver_data;
1396
1397         if (!card)
1398                 return -EINVAL;
1399
1400         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
1401 }
1402
1403 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
1404                         qeth_dev_vipa_add4_show,
1405                         qeth_dev_vipa_add4_store);
1406
1407 static inline ssize_t
1408 qeth_dev_vipa_del_store(const char *buf, size_t count,
1409                          struct qeth_card *card, enum qeth_prot_versions proto)
1410 {
1411         u8 addr[16];
1412         int rc;
1413
1414         if (qeth_check_layer2(card))
1415                 return -EPERM;
1416         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1417                 return rc;
1418
1419         qeth_del_vipa(card, proto, addr);
1420
1421         return count;
1422 }
1423
1424 static ssize_t
1425 qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1426 {
1427         struct qeth_card *card = dev->driver_data;
1428
1429         if (!card)
1430                 return -EINVAL;
1431
1432         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
1433 }
1434
1435 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
1436                         qeth_dev_vipa_del4_store);
1437
1438 #ifdef CONFIG_QETH_IPV6
1439 static ssize_t
1440 qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1441 {
1442         struct qeth_card *card = dev->driver_data;
1443
1444         if (!card)
1445                 return -EINVAL;
1446
1447         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
1448 }
1449
1450 static ssize_t
1451 qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1452 {
1453         struct qeth_card *card = dev->driver_data;
1454
1455         if (!card)
1456                 return -EINVAL;
1457
1458         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
1459 }
1460
1461 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
1462                         qeth_dev_vipa_add6_show,
1463                         qeth_dev_vipa_add6_store);
1464
1465 static ssize_t
1466 qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1467 {
1468         struct qeth_card *card = dev->driver_data;
1469
1470         if (!card)
1471                 return -EINVAL;
1472
1473         if (qeth_check_layer2(card))
1474                 return -EPERM;
1475
1476         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
1477 }
1478
1479 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
1480                         qeth_dev_vipa_del6_store);
1481 #endif /* CONFIG_QETH_IPV6 */
1482
1483 static struct device_attribute * qeth_vipa_device_attrs[] = {
1484         &dev_attr_vipa_add4,
1485         &dev_attr_vipa_del4,
1486 #ifdef CONFIG_QETH_IPV6
1487         &dev_attr_vipa_add6,
1488         &dev_attr_vipa_del6,
1489 #endif
1490         NULL,
1491 };
1492
1493 static struct attribute_group qeth_device_vipa_group = {
1494         .name = "vipa",
1495         .attrs = (struct attribute **)qeth_vipa_device_attrs,
1496 };
1497
1498 static inline ssize_t
1499 qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
1500                        enum qeth_prot_versions proto)
1501 {
1502         struct qeth_ipaddr *ipaddr;
1503         char addr_str[40];
1504         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1505         unsigned long flags;
1506         int i = 0;
1507
1508         if (qeth_check_layer2(card))
1509                 return -EPERM;
1510
1511         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1512         entry_len += 2; /* \n + terminator */
1513         spin_lock_irqsave(&card->ip_lock, flags);
1514         list_for_each_entry(ipaddr, &card->ip_list, entry){
1515                 if (ipaddr->proto != proto)
1516                         continue;
1517                 if (ipaddr->type != QETH_IP_TYPE_RXIP)
1518                         continue;
1519                 /* String must not be longer than PAGE_SIZE. So we check if
1520                  * string length gets near PAGE_SIZE. Then we can savely display
1521                  * the next IPv6 address (worst case, compared to IPv4) */
1522                 if ((PAGE_SIZE - i) <= entry_len)
1523                         break;
1524                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1525                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1526         }
1527         spin_unlock_irqrestore(&card->ip_lock, flags);
1528         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1529
1530         return i;
1531 }
1532
1533 static ssize_t
1534 qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1535 {
1536         struct qeth_card *card = dev->driver_data;
1537
1538         if (!card)
1539                 return -EINVAL;
1540
1541         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
1542 }
1543
1544 static inline int
1545 qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
1546                  u8 *addr)
1547 {
1548         if (qeth_string_to_ipaddr(buf, proto, addr)){
1549                 PRINT_WARN("Invalid IP address format!\n");
1550                 return -EINVAL;
1551         }
1552         return 0;
1553 }
1554
1555 static inline ssize_t
1556 qeth_dev_rxip_add_store(const char *buf, size_t count,
1557                         struct qeth_card *card, enum qeth_prot_versions proto)
1558 {
1559         u8 addr[16] = {0, };
1560         int rc;
1561
1562         if (qeth_check_layer2(card))
1563                 return -EPERM;
1564         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1565                 return rc;
1566
1567         if ((rc = qeth_add_rxip(card, proto, addr)))
1568                 return rc;
1569
1570         return count;
1571 }
1572
1573 static ssize_t
1574 qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1575 {
1576         struct qeth_card *card = dev->driver_data;
1577
1578         if (!card)
1579                 return -EINVAL;
1580
1581         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
1582 }
1583
1584 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
1585                         qeth_dev_rxip_add4_show,
1586                         qeth_dev_rxip_add4_store);
1587
1588 static inline ssize_t
1589 qeth_dev_rxip_del_store(const char *buf, size_t count,
1590                         struct qeth_card *card, enum qeth_prot_versions proto)
1591 {
1592         u8 addr[16];
1593         int rc;
1594
1595         if (qeth_check_layer2(card))
1596                 return -EPERM;
1597         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1598                 return rc;
1599
1600         qeth_del_rxip(card, proto, addr);
1601
1602         return count;
1603 }
1604
1605 static ssize_t
1606 qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1607 {
1608         struct qeth_card *card = dev->driver_data;
1609
1610         if (!card)
1611                 return -EINVAL;
1612
1613         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
1614 }
1615
1616 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
1617                         qeth_dev_rxip_del4_store);
1618
1619 #ifdef CONFIG_QETH_IPV6
1620 static ssize_t
1621 qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1622 {
1623         struct qeth_card *card = dev->driver_data;
1624
1625         if (!card)
1626                 return -EINVAL;
1627
1628         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
1629 }
1630
1631 static ssize_t
1632 qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1633 {
1634         struct qeth_card *card = dev->driver_data;
1635
1636         if (!card)
1637                 return -EINVAL;
1638
1639         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
1640 }
1641
1642 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
1643                         qeth_dev_rxip_add6_show,
1644                         qeth_dev_rxip_add6_store);
1645
1646 static ssize_t
1647 qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1648 {
1649         struct qeth_card *card = dev->driver_data;
1650
1651         if (!card)
1652                 return -EINVAL;
1653
1654         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1655 }
1656
1657 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1658                         qeth_dev_rxip_del6_store);
1659 #endif /* CONFIG_QETH_IPV6 */
1660
1661 static struct device_attribute * qeth_rxip_device_attrs[] = {
1662         &dev_attr_rxip_add4,
1663         &dev_attr_rxip_del4,
1664 #ifdef CONFIG_QETH_IPV6
1665         &dev_attr_rxip_add6,
1666         &dev_attr_rxip_del6,
1667 #endif
1668         NULL,
1669 };
1670
1671 static struct attribute_group qeth_device_rxip_group = {
1672         .name = "rxip",
1673         .attrs = (struct attribute **)qeth_rxip_device_attrs,
1674 };
1675
1676 int
1677 qeth_create_device_attributes(struct device *dev)
1678 {
1679         int ret;
1680         struct qeth_card *card = dev->driver_data;
1681
1682         if (card->info.type == QETH_CARD_TYPE_OSN)
1683                 return sysfs_create_group(&dev->kobj,
1684                                           &qeth_osn_device_attr_group);
1685
1686         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
1687                 return ret;
1688         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
1689                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1690                 return ret;
1691         }
1692         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){
1693                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1694                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1695                 return ret;
1696         }
1697         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){
1698                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1699                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1700                 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1701         }
1702         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group)))
1703                 return ret;
1704
1705         return ret;
1706 }
1707
1708 void
1709 qeth_remove_device_attributes(struct device *dev)
1710 {
1711         struct qeth_card *card = dev->driver_data;
1712
1713         if (card->info.type == QETH_CARD_TYPE_OSN)
1714                 return sysfs_remove_group(&dev->kobj,
1715                                           &qeth_osn_device_attr_group);
1716
1717         sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1718         sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1719         sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1720         sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1721         sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
1722 }
1723
1724 /**********************/
1725 /* DRIVER ATTRIBUTES  */
1726 /**********************/
1727 static ssize_t
1728 qeth_driver_group_store(struct device_driver *ddrv, const char *buf,
1729                         size_t count)
1730 {
1731         const char *start, *end;
1732         char bus_ids[3][BUS_ID_SIZE], *argv[3];
1733         int i;
1734         int err;
1735
1736         start = buf;
1737         for (i = 0; i < 3; i++) {
1738                 static const char delim[] = { ',', ',', '\n' };
1739                 int len;
1740
1741                 if (!(end = strchr(start, delim[i])))
1742                         return -EINVAL;
1743                 len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
1744                 strncpy(bus_ids[i], start, len);
1745                 bus_ids[i][len] = '\0';
1746                 start = end + 1;
1747                 argv[i] = bus_ids[i];
1748         }
1749         err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id,
1750                         &qeth_ccw_driver, 3, argv);
1751         if (err)
1752                 return err;
1753         else
1754                 return count;
1755 }
1756
1757
1758 static DRIVER_ATTR(group, 0200, 0, qeth_driver_group_store);
1759
1760 static ssize_t
1761 qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf,
1762                                 size_t count)
1763 {
1764         int rc;
1765         int signum;
1766         char *tmp, *tmp2;
1767
1768         tmp = strsep((char **) &buf, "\n");
1769         if (!strncmp(tmp, "unregister", 10)){
1770                 if ((rc = qeth_notifier_unregister(current)))
1771                         return rc;
1772                 return count;
1773         }
1774
1775         signum = simple_strtoul(tmp, &tmp2, 10);
1776         if ((signum < 0) || (signum > 32)){
1777                 PRINT_WARN("Signal number %d is out of range\n", signum);
1778                 return -EINVAL;
1779         }
1780         if ((rc = qeth_notifier_register(current, signum)))
1781                 return rc;
1782
1783         return count;
1784 }
1785
1786 static DRIVER_ATTR(notifier_register, 0200, 0,
1787                    qeth_driver_notifier_register_store);
1788
1789 int
1790 qeth_create_driver_attributes(void)
1791 {
1792         int rc;
1793
1794         if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver,
1795                                      &driver_attr_group)))
1796                 return rc;
1797         return driver_create_file(&qeth_ccwgroup_driver.driver,
1798                                   &driver_attr_notifier_register);
1799 }
1800
1801 void
1802 qeth_remove_driver_attributes(void)
1803 {
1804         driver_remove_file(&qeth_ccwgroup_driver.driver,
1805                         &driver_attr_group);
1806         driver_remove_file(&qeth_ccwgroup_driver.driver,
1807                         &driver_attr_notifier_register);
1808 }