git.oblomov.eu Git - linux-2.6/blob - drivers/s390/net/qeth_sys.c

   1 /*
   2  *
   3  * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.53 $)
   4  *
   5  * Linux on zSeries OSA Express and HiperSockets support
   6  * This file contains code related to sysfs.
   7  *
   8  * Copyright 2000,2003 IBM Corporation
   9  *
  10  * Author(s): Thomas Spatzier <tspat@de.ibm.com>
  11  *            Frank Pavlic <pavlic@de.ibm.com>
  12  *
  13  */
  14 #include <linux/list.h>
  15 #include <linux/rwsem.h>
  16
  17 #include <asm/ebcdic.h>
  18
  19 #include "qeth.h"
  20 #include "qeth_mpc.h"
  21 #include "qeth_fs.h"
  22
  23 const char *VERSION_QETH_SYS_C = "$Revision: 1.53 $";
  24
  25 /*****************************************************************************/
  26 /*                                                                           */
  27 /*          /sys-fs stuff UNDER DEVELOPMENT !!!                              */
  28 /*                                                                           */
  29 /*****************************************************************************/
  30 //low/high watermark
  31
  32 static ssize_t
  33 qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf)
  34 {
  35         struct qeth_card *card = dev->driver_data;
  36         if (!card)
  37                 return -EINVAL;
  38
  39         switch (card->state) {
  40         case CARD_STATE_DOWN:
  41                 return sprintf(buf, "DOWN\n");
  42         case CARD_STATE_HARDSETUP:
  43                 return sprintf(buf, "HARDSETUP\n");
  44         case CARD_STATE_SOFTSETUP:
  45                 return sprintf(buf, "SOFTSETUP\n");
  46         case CARD_STATE_UP:
  47                 if (card->lan_online)
  48                 return sprintf(buf, "UP (LAN ONLINE)\n");
  49                 else
  50                         return sprintf(buf, "UP (LAN OFFLINE)\n");
  51         case CARD_STATE_RECOVER:
  52                 return sprintf(buf, "RECOVER\n");
  53         default:
  54                 return sprintf(buf, "UNKNOWN\n");
  55         }
  56 }
  57
  58 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
  59
  60 static ssize_t
  61 qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf)
  62 {
  63         struct qeth_card *card = dev->driver_data;
  64         if (!card)
  65                 return -EINVAL;
  66
  67         return sprintf(buf, "%02X\n", card->info.chpid);
  68 }
  69
  70 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
  71
  72 static ssize_t
  73 qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf)
  74 {
  75         struct qeth_card *card = dev->driver_data;
  76         if (!card)
  77                 return -EINVAL;
  78         return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
  79 }
  80
  81 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
  82
  83 static ssize_t
  84 qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf)
  85 {
  86         struct qeth_card *card = dev->driver_data;
  87         if (!card)
  88                 return -EINVAL;
  89
  90         return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
  91 }
  92
  93 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
  94
  95 static ssize_t
  96 qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf)
  97 {
  98         struct qeth_card *card = dev->driver_data;
  99         if (!card)
 100                 return -EINVAL;
 101
 102         return sprintf(buf, "%i\n", card->info.portno);
 103 }
 104
 105 static ssize_t
 106 qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 107 {
 108         struct qeth_card *card = dev->driver_data;
 109         char *tmp;
 110         unsigned int portno;
 111
 112         if (!card)
 113                 return -EINVAL;
 114
 115         if ((card->state != CARD_STATE_DOWN) &&
 116             (card->state != CARD_STATE_RECOVER))
 117                 return -EPERM;
 118
 119         portno = simple_strtoul(buf, &tmp, 16);
 120         if ((portno < 0) || (portno > MAX_PORTNO)){
 121                 PRINT_WARN("portno 0x%X is out of range\n", portno);
 122                 return -EINVAL;
 123         }
 124
 125         card->info.portno = portno;
 126         return count;
 127 }
 128
 129 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
 130
 131 static ssize_t
 132 qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf)
 133 {
 134         struct qeth_card *card = dev->driver_data;
 135         char portname[9] = {0, };
 136
 137         if (!card)
 138                 return -EINVAL;
 139
 140         if (card->info.portname_required) {
 141                 memcpy(portname, card->info.portname + 1, 8);
 142                 EBCASC(portname, 8);
 143                 return sprintf(buf, "%s\n", portname);
 144         } else
 145                 return sprintf(buf, "no portname required\n");
 146 }
 147
 148 static ssize_t
 149 qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 150 {
 151         struct qeth_card *card = dev->driver_data;
 152         char *tmp;
 153         int i;
 154
 155         if (!card)
 156                 return -EINVAL;
 157
 158         if ((card->state != CARD_STATE_DOWN) &&
 159             (card->state != CARD_STATE_RECOVER))
 160                 return -EPERM;
 161
 162         tmp = strsep((char **) &buf, "\n");
 163         if ((strlen(tmp) > 8) || (strlen(tmp) < 2))
 164                 return -EINVAL;
 165
 166         card->info.portname[0] = strlen(tmp);
 167         /* for beauty reasons */
 168         for (i = 1; i < 9; i++)
 169                 card->info.portname[i] = ' ';
 170         strcpy(card->info.portname + 1, tmp);
 171         ASCEBC(card->info.portname + 1, 8);
 172
 173         return count;
 174 }
 175
 176 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
 177                 qeth_dev_portname_store);
 178
 179 static ssize_t
 180 qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf)
 181 {
 182         struct qeth_card *card = dev->driver_data;
 183
 184         if (!card)
 185                 return -EINVAL;
 186
 187         return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card));
 188 }
 189
 190 static ssize_t
 191 qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 192 {
 193         struct qeth_card *card = dev->driver_data;
 194         char *tmp;
 195
 196         if (!card)
 197                 return -EINVAL;
 198
 199         if ((card->state != CARD_STATE_DOWN) &&
 200             (card->state != CARD_STATE_RECOVER))
 201                 return -EPERM;
 202
 203         tmp = strsep((char **) &buf, "\n");
 204         if (!strcmp(tmp, "sw_checksumming"))
 205                 card->options.checksum_type = SW_CHECKSUMMING;
 206         else if (!strcmp(tmp, "hw_checksumming"))
 207                 card->options.checksum_type = HW_CHECKSUMMING;
 208         else if (!strcmp(tmp, "no_checksumming"))
 209                 card->options.checksum_type = NO_CHECKSUMMING;
 210         else {
 211                 PRINT_WARN("Unknown checksumming type '%s'\n", tmp);
 212                 return -EINVAL;
 213         }
 214         return count;
 215 }
 216
 217 static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show,
 218                 qeth_dev_checksum_store);
 219
 220 static ssize_t
 221 qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf)
 222 {
 223         struct qeth_card *card = dev->driver_data;
 224
 225         if (!card)
 226                 return -EINVAL;
 227
 228         switch (card->qdio.do_prio_queueing) {
 229         case QETH_PRIO_Q_ING_PREC:
 230                 return sprintf(buf, "%s\n", "by precedence");
 231         case QETH_PRIO_Q_ING_TOS:
 232                 return sprintf(buf, "%s\n", "by type of service");
 233         default:
 234                 return sprintf(buf, "always queue %i\n",
 235                                card->qdio.default_out_queue);
 236         }
 237 }
 238
 239 static ssize_t
 240 qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 241 {
 242         struct qeth_card *card = dev->driver_data;
 243         char *tmp;
 244
 245         if (!card)
 246                 return -EINVAL;
 247
 248         if ((card->state != CARD_STATE_DOWN) &&
 249             (card->state != CARD_STATE_RECOVER))
 250                 return -EPERM;
 251
 252         /* check if 1920 devices are supported ,
 253          * if though we have to permit priority queueing
 254          */
 255         if (card->qdio.no_out_queues == 1) {
 256                 PRINT_WARN("Priority queueing disabled due "
 257                            "to hardware limitations!\n");
 258                 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
 259                 return -EPERM;
 260         }
 261
 262         tmp = strsep((char **) &buf, "\n");
 263         if (!strcmp(tmp, "prio_queueing_prec"))
 264                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
 265         else if (!strcmp(tmp, "prio_queueing_tos"))
 266                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
 267         else if (!strcmp(tmp, "no_prio_queueing:0")) {
 268                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 269                 card->qdio.default_out_queue = 0;
 270         } else if (!strcmp(tmp, "no_prio_queueing:1")) {
 271                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 272                 card->qdio.default_out_queue = 1;
 273         } else if (!strcmp(tmp, "no_prio_queueing:2")) {
 274                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 275                 card->qdio.default_out_queue = 2;
 276         } else if (!strcmp(tmp, "no_prio_queueing:3")) {
 277                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 278                 card->qdio.default_out_queue = 3;
 279         } else if (!strcmp(tmp, "no_prio_queueing")) {
 280                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 281                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 282         } else {
 283                 PRINT_WARN("Unknown queueing type '%s'\n", tmp);
 284                 return -EINVAL;
 285         }
 286         return count;
 287 }
 288
 289 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
 290                 qeth_dev_prioqing_store);
 291
 292 static ssize_t
 293 qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf)
 294 {
 295         struct qeth_card *card = dev->driver_data;
 296
 297         if (!card)
 298                 return -EINVAL;
 299
 300         return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
 301 }
 302
 303 static ssize_t
 304 qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 305 {
 306         struct qeth_card *card = dev->driver_data;
 307         char *tmp;
 308         int cnt, old_cnt;
 309         int rc;
 310
 311         if (!card)
 312                 return -EINVAL;
 313
 314         if ((card->state != CARD_STATE_DOWN) &&
 315             (card->state != CARD_STATE_RECOVER))
 316                 return -EPERM;
 317
 318         old_cnt = card->qdio.in_buf_pool.buf_count;
 319         cnt = simple_strtoul(buf, &tmp, 10);
 320         cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
 321                 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
 322         if (old_cnt != cnt) {
 323                 if ((rc = qeth_realloc_buffer_pool(card, cnt)))
 324                         PRINT_WARN("Error (%d) while setting "
 325                                    "buffer count.\n", rc);
 326         }
 327         return count;
 328 }
 329
 330 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
 331                 qeth_dev_bufcnt_store);
 332
 333 static inline ssize_t
 334 qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
 335                     char *buf)
 336 {
 337         switch (route->type) {
 338         case PRIMARY_ROUTER:
 339                 return sprintf(buf, "%s\n", "primary router");
 340         case SECONDARY_ROUTER:
 341                 return sprintf(buf, "%s\n", "secondary router");
 342         case MULTICAST_ROUTER:
 343                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 344                         return sprintf(buf, "%s\n", "multicast router+");
 345                 else
 346                         return sprintf(buf, "%s\n", "multicast router");
 347         case PRIMARY_CONNECTOR:
 348                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 349                         return sprintf(buf, "%s\n", "primary connector+");
 350                 else
 351                         return sprintf(buf, "%s\n", "primary connector");
 352         case SECONDARY_CONNECTOR:
 353                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
 354                         return sprintf(buf, "%s\n", "secondary connector+");
 355                 else
 356                         return sprintf(buf, "%s\n", "secondary connector");
 357         default:
 358                 return sprintf(buf, "%s\n", "no");
 359         }
 360 }
 361
 362 static ssize_t
 363 qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf)
 364 {
 365         struct qeth_card *card = dev->driver_data;
 366
 367         if (!card)
 368                 return -EINVAL;
 369
 370         return qeth_dev_route_show(card, &card->options.route4, buf);
 371 }
 372
 373 static inline ssize_t
 374 qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
 375                 enum qeth_prot_versions prot, const char *buf, size_t count)
 376 {
 377         enum qeth_routing_types old_route_type = route->type;
 378         char *tmp;
 379         int rc;
 380
 381         tmp = strsep((char **) &buf, "\n");
 382
 383         if (!strcmp(tmp, "no_router")){
 384                 route->type = NO_ROUTER;
 385         } else if (!strcmp(tmp, "primary_connector")) {
 386                 route->type = PRIMARY_CONNECTOR;
 387         } else if (!strcmp(tmp, "secondary_connector")) {
 388                 route->type = SECONDARY_CONNECTOR;
 389         } else if (!strcmp(tmp, "multicast_router")) {
 390                 route->type = MULTICAST_ROUTER;
 391         } else if (!strcmp(tmp, "primary_router")) {
 392                 route->type = PRIMARY_ROUTER;
 393         } else if (!strcmp(tmp, "secondary_router")) {
 394                 route->type = SECONDARY_ROUTER;
 395         } else if (!strcmp(tmp, "multicast_router")) {
 396                 route->type = MULTICAST_ROUTER;
 397         } else {
 398                 PRINT_WARN("Invalid routing type '%s'.\n", tmp);
 399                 return -EINVAL;
 400         }
 401         if (((card->state == CARD_STATE_SOFTSETUP) ||
 402              (card->state == CARD_STATE_UP)) &&
 403             (old_route_type != route->type)){
 404                 if (prot == QETH_PROT_IPV4)
 405                         rc = qeth_setrouting_v4(card);
 406                 else if (prot == QETH_PROT_IPV6)
 407                         rc = qeth_setrouting_v6(card);
 408         }
 409         return count;
 410 }
 411
 412 static ssize_t
 413 qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 414 {
 415         struct qeth_card *card = dev->driver_data;
 416
 417         if (!card)
 418                 return -EINVAL;
 419
 420         return qeth_dev_route_store(card, &card->options.route4,
 421                                     QETH_PROT_IPV4, buf, count);
 422 }
 423
 424 static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store);
 425
 426 #ifdef CONFIG_QETH_IPV6
 427 static ssize_t
 428 qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf)
 429 {
 430         struct qeth_card *card = dev->driver_data;
 431
 432         if (!card)
 433                 return -EINVAL;
 434
 435         if (!qeth_is_supported(card, IPA_IPV6))
 436                 return sprintf(buf, "%s\n", "n/a");
 437
 438         return qeth_dev_route_show(card, &card->options.route6, buf);
 439 }
 440
 441 static ssize_t
 442 qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 443 {
 444         struct qeth_card *card = dev->driver_data;
 445
 446         if (!card)
 447                 return -EINVAL;
 448
 449         if (!qeth_is_supported(card, IPA_IPV6)){
 450                 PRINT_WARN("IPv6 not supported for interface %s.\n"
 451                            "Routing status no changed.\n",
 452                            QETH_CARD_IFNAME(card));
 453                 return -ENOTSUPP;
 454         }
 455
 456         return qeth_dev_route_store(card, &card->options.route6,
 457                                     QETH_PROT_IPV6, buf, count);
 458 }
 459
 460 static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store);
 461 #endif
 462
 463 static ssize_t
 464 qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf)
 465 {
 466         struct qeth_card *card = dev->driver_data;
 467
 468         if (!card)
 469                 return -EINVAL;
 470
 471         return sprintf(buf, "%i\n", card->options.add_hhlen);
 472 }
 473
 474 static ssize_t
 475 qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 476 {
 477         struct qeth_card *card = dev->driver_data;
 478         char *tmp;
 479         int i;
 480
 481         if (!card)
 482                 return -EINVAL;
 483
 484         if ((card->state != CARD_STATE_DOWN) &&
 485             (card->state != CARD_STATE_RECOVER))
 486                 return -EPERM;
 487
 488         i = simple_strtoul(buf, &tmp, 10);
 489         if ((i < 0) || (i > MAX_ADD_HHLEN)) {
 490                 PRINT_WARN("add_hhlen out of range\n");
 491                 return -EINVAL;
 492         }
 493         card->options.add_hhlen = i;
 494
 495         return count;
 496 }
 497
 498 static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
 499                    qeth_dev_add_hhlen_store);
 500
 501 static ssize_t
 502 qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf)
 503 {
 504         struct qeth_card *card = dev->driver_data;
 505
 506         if (!card)
 507                 return -EINVAL;
 508
 509         return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
 510 }
 511
 512 static ssize_t
 513 qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 514 {
 515         struct qeth_card *card = dev->driver_data;
 516         char *tmp;
 517         int i;
 518
 519         if (!card)
 520                 return -EINVAL;
 521
 522         if ((card->state != CARD_STATE_DOWN) &&
 523             (card->state != CARD_STATE_RECOVER))
 524                 return -EPERM;
 525
 526         i = simple_strtoul(buf, &tmp, 16);
 527         if ((i != 0) && (i != 1)) {
 528                 PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
 529                 return -EINVAL;
 530         }
 531         card->options.fake_ll = i;
 532         return count;
 533 }
 534
 535 static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
 536                    qeth_dev_fake_ll_store);
 537
 538 static ssize_t
 539 qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf)
 540 {
 541         struct qeth_card *card = dev->driver_data;
 542
 543         if (!card)
 544                 return -EINVAL;
 545
 546         return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
 547 }
 548
 549 static ssize_t
 550 qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 551 {
 552         struct qeth_card *card = dev->driver_data;
 553         char *tmp;
 554         int i;
 555
 556         if (!card)
 557                 return -EINVAL;
 558
 559         if ((card->state != CARD_STATE_DOWN) &&
 560             (card->state != CARD_STATE_RECOVER))
 561                 return -EPERM;
 562
 563         i = simple_strtoul(buf, &tmp, 16);
 564         if ((i == 0) || (i == 1))
 565                 card->options.fake_broadcast = i;
 566         else {
 567                 PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
 568                 return -EINVAL;
 569         }
 570         return count;
 571 }
 572
 573 static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
 574                    qeth_dev_fake_broadcast_store);
 575
 576 static ssize_t
 577 qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 578 {
 579         struct qeth_card *card = dev->driver_data;
 580         char *tmp;
 581         int i;
 582
 583         if (!card)
 584                 return -EINVAL;
 585
 586         if (card->state != CARD_STATE_UP)
 587                 return -EPERM;
 588
 589         i = simple_strtoul(buf, &tmp, 16);
 590         if (i == 1)
 591                 qeth_schedule_recovery(card);
 592
 593         return count;
 594 }
 595
 596 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
 597
 598 static ssize_t
 599 qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
 600 {
 601         struct qeth_card *card = dev->driver_data;
 602
 603         if (!card)
 604                 return -EINVAL;
 605
 606         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 607               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
 608                 return sprintf(buf, "n/a\n");
 609
 610         return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
 611                                      QETH_TR_BROADCAST_ALLRINGS)?
 612                        "all rings":"local");
 613 }
 614
 615 static ssize_t
 616 qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 617 {
 618         struct qeth_card *card = dev->driver_data;
 619         char *tmp;
 620
 621         if (!card)
 622                 return -EINVAL;
 623
 624         if ((card->state != CARD_STATE_DOWN) &&
 625             (card->state != CARD_STATE_RECOVER))
 626                 return -EPERM;
 627
 628         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 629               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
 630                 PRINT_WARN("Device is not a tokenring device!\n");
 631                 return -EINVAL;
 632         }
 633
 634         tmp = strsep((char **) &buf, "\n");
 635
 636         if (!strcmp(tmp, "local")){
 637                 card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
 638                 return count;
 639         } else if (!strcmp(tmp, "all_rings")) {
 640                 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
 641                 return count;
 642         } else {
 643                 PRINT_WARN("broadcast_mode: invalid mode %s!\n",
 644                            tmp);
 645                 return -EINVAL;
 646         }
 647         return count;
 648 }
 649
 650 static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
 651                    qeth_dev_broadcast_mode_store);
 652
 653 static ssize_t
 654 qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf)
 655 {
 656         struct qeth_card *card = dev->driver_data;
 657
 658         if (!card)
 659                 return -EINVAL;
 660
 661         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 662               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
 663                 return sprintf(buf, "n/a\n");
 664
 665         return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
 666                                      QETH_TR_MACADDR_CANONICAL)? 1:0);
 667 }
 668
 669 static ssize_t
 670 qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf,
 671                                   size_t count)
 672 {
 673         struct qeth_card *card = dev->driver_data;
 674         char *tmp;
 675         int i;
 676
 677         if (!card)
 678                 return -EINVAL;
 679
 680         if ((card->state != CARD_STATE_DOWN) &&
 681             (card->state != CARD_STATE_RECOVER))
 682                 return -EPERM;
 683
 684         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
 685               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
 686                 PRINT_WARN("Device is not a tokenring device!\n");
 687                 return -EINVAL;
 688         }
 689
 690         i = simple_strtoul(buf, &tmp, 16);
 691         if ((i == 0) || (i == 1))
 692                 card->options.macaddr_mode = i?
 693                         QETH_TR_MACADDR_CANONICAL :
 694                         QETH_TR_MACADDR_NONCANONICAL;
 695         else {
 696                 PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
 697                 return -EINVAL;
 698         }
 699         return count;
 700 }
 701
 702 static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
 703                    qeth_dev_canonical_macaddr_store);
 704
 705 static ssize_t
 706 qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf)
 707 {
 708         struct qeth_card *card = dev->driver_data;
 709
 710         if (!card)
 711                 return -EINVAL;
 712
 713         return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
 714 }
 715
 716 static ssize_t
 717 qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 718 {
 719         struct qeth_card *card = dev->driver_data;
 720         char *tmp;
 721         int i;
 722
 723         if (!card)
 724                 return -EINVAL;
 725
 726         if (((card->state != CARD_STATE_DOWN) &&
 727              (card->state != CARD_STATE_RECOVER)) ||
 728             (card->info.type != QETH_CARD_TYPE_OSAE))
 729                 return -EPERM;
 730
 731         i = simple_strtoul(buf, &tmp, 16);
 732         if ((i == 0) || (i == 1))
 733                 card->options.layer2 = i;
 734         else {
 735                 PRINT_WARN("layer2: write 0 or 1 to this file!\n");
 736                 return -EINVAL;
 737         }
 738         return count;
 739 }
 740
 741 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 742                    qeth_dev_layer2_store);
 743
 744 static ssize_t
 745 qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf)
 746 {
 747         struct qeth_card *card = dev->driver_data;
 748
 749         if (!card)
 750                 return -EINVAL;
 751
 752         switch (card->options.large_send) {
 753         case QETH_LARGE_SEND_NO:
 754                 return sprintf(buf, "%s\n", "no");
 755         case QETH_LARGE_SEND_EDDP:
 756                 return sprintf(buf, "%s\n", "EDDP");
 757         case QETH_LARGE_SEND_TSO:
 758                 return sprintf(buf, "%s\n", "TSO");
 759         default:
 760                 return sprintf(buf, "%s\n", "N/A");
 761         }
 762 }
 763
 764 static ssize_t
 765 qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 766 {
 767         struct qeth_card *card = dev->driver_data;
 768         enum qeth_large_send_types type;
 769         int rc = 0;
 770         char *tmp;
 771
 772         if (!card)
 773                 return -EINVAL;
 774         tmp = strsep((char **) &buf, "\n");
 775         if (!strcmp(tmp, "no")){
 776                 type = QETH_LARGE_SEND_NO;
 777         } else if (!strcmp(tmp, "EDDP")) {
 778                 type = QETH_LARGE_SEND_EDDP;
 779         } else if (!strcmp(tmp, "TSO")) {
 780                 type = QETH_LARGE_SEND_TSO;
 781         } else {
 782                 PRINT_WARN("large_send: invalid mode %s!\n", tmp);
 783                 return -EINVAL;
 784         }
 785         if (card->options.large_send == type)
 786                 return count;
 787         if ((rc = qeth_set_large_send(card, type)))
 788                 return rc;
 789         return count;
 790 }
 791
 792 static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
 793                    qeth_dev_large_send_store);
 794
 795 static ssize_t
 796 qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
 797 {
 798
 799         if (!card)
 800                 return -EINVAL;
 801
 802         return sprintf(buf, "%i\n", value);
 803 }
 804
 805 static ssize_t
 806 qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
 807                           int *value, int max_value)
 808 {
 809         char *tmp;
 810         int i;
 811
 812         if (!card)
 813                 return -EINVAL;
 814
 815         if ((card->state != CARD_STATE_DOWN) &&
 816             (card->state != CARD_STATE_RECOVER))
 817                 return -EPERM;
 818
 819         i = simple_strtoul(buf, &tmp, 10);
 820         if (i <= max_value) {
 821                 *value = i;
 822         } else {
 823                 PRINT_WARN("blkt total time: write values between"
 824                            " 0 and %d to this file!\n", max_value);
 825                 return -EINVAL;
 826         }
 827         return count;
 828 }
 829
 830 static ssize_t
 831 qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf)
 832 {
 833         struct qeth_card *card = dev->driver_data;
 834
 835         return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
 836 }
 837
 838
 839 static ssize_t
 840 qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 841 {
 842         struct qeth_card *card = dev->driver_data;
 843
 844         return qeth_dev_blkt_store(card, buf, count,
 845                                    &card->info.blkt.time_total,1000);
 846 }
 847
 848
 849
 850 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
 851                    qeth_dev_blkt_total_store);
 852
 853 static ssize_t
 854 qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf)
 855 {
 856         struct qeth_card *card = dev->driver_data;
 857
 858         return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
 859 }
 860
 861
 862 static ssize_t
 863 qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 864 {
 865         struct qeth_card *card = dev->driver_data;
 866
 867         return qeth_dev_blkt_store(card, buf, count,
 868                                    &card->info.blkt.inter_packet,100);
 869 }
 870
 871 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
 872                    qeth_dev_blkt_inter_store);
 873
 874 static ssize_t
 875 qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf)
 876 {
 877         struct qeth_card *card = dev->driver_data;
 878
 879         return qeth_dev_blkt_show(buf, card,
 880                                   card->info.blkt.inter_packet_jumbo);
 881 }
 882
 883
 884 static ssize_t
 885 qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 886 {
 887         struct qeth_card *card = dev->driver_data;
 888
 889         return qeth_dev_blkt_store(card, buf, count,
 890                                    &card->info.blkt.inter_packet_jumbo,100);
 891 }
 892
 893 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
 894                    qeth_dev_blkt_inter_jumbo_store);
 895
 896 static struct device_attribute * qeth_blkt_device_attrs[] = {
 897         &dev_attr_total,
 898         &dev_attr_inter,
 899         &dev_attr_inter_jumbo,
 900         NULL,
 901 };
 902
 903 static struct attribute_group qeth_device_blkt_group = {
 904         .name = "blkt",
 905         .attrs = (struct attribute **)qeth_blkt_device_attrs,
 906 };
 907
 908 static struct device_attribute * qeth_device_attrs[] = {
 909         &dev_attr_state,
 910         &dev_attr_chpid,
 911         &dev_attr_if_name,
 912         &dev_attr_card_type,
 913         &dev_attr_portno,
 914         &dev_attr_portname,
 915         &dev_attr_checksumming,
 916         &dev_attr_priority_queueing,
 917         &dev_attr_buffer_count,
 918         &dev_attr_route4,
 919 #ifdef CONFIG_QETH_IPV6
 920         &dev_attr_route6,
 921 #endif
 922         &dev_attr_add_hhlen,
 923         &dev_attr_fake_ll,
 924         &dev_attr_fake_broadcast,
 925         &dev_attr_recover,
 926         &dev_attr_broadcast_mode,
 927         &dev_attr_canonical_macaddr,
 928         &dev_attr_layer2,
 929         &dev_attr_large_send,
 930         NULL,
 931 };
 932
 933 static struct attribute_group qeth_device_attr_group = {
 934         .attrs = (struct attribute **)qeth_device_attrs,
 935 };
 936
 937
 938 #define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store)                       \
 939 struct device_attribute dev_attr_##_id = {                                   \
 940         .attr = {.name=__stringify(_name), .mode=_mode, .owner=THIS_MODULE },\
 941         .show   = _show,                                                     \
 942         .store  = _store,                                                    \
 943 };
 944
 945 int
 946 qeth_check_layer2(struct qeth_card *card)
 947 {
 948         if (card->options.layer2)
 949                 return -EPERM;
 950         return 0;
 951 }
 952
 953
 954 static ssize_t
 955 qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
 956 {
 957         struct qeth_card *card = dev->driver_data;
 958
 959         if (!card)
 960                 return -EINVAL;
 961
 962         if (qeth_check_layer2(card))
 963                 return -EPERM;
 964         return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
 965 }
 966
 967 static ssize_t
 968 qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 969 {
 970         struct qeth_card *card = dev->driver_data;
 971         char *tmp;
 972
 973         if (!card)
 974                 return -EINVAL;
 975
 976         if ((card->state != CARD_STATE_DOWN) &&
 977             (card->state != CARD_STATE_RECOVER))
 978                 return -EPERM;
 979
 980         if (qeth_check_layer2(card))
 981                 return -EPERM;
 982
 983         tmp = strsep((char **) &buf, "\n");
 984         if (!strcmp(tmp, "toggle")){
 985                 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
 986         } else if (!strcmp(tmp, "1")){
 987                 card->ipato.enabled = 1;
 988         } else if (!strcmp(tmp, "0")){
 989                 card->ipato.enabled = 0;
 990         } else {
 991                 PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to "
 992                            "this file\n");
 993                 return -EINVAL;
 994         }
 995         return count;
 996 }
 997
 998 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
 999                         qeth_dev_ipato_enable_show,
1000                         qeth_dev_ipato_enable_store);
1001
1002 static ssize_t
1003 qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf)
1004 {
1005         struct qeth_card *card = dev->driver_data;
1006
1007         if (!card)
1008                 return -EINVAL;
1009
1010         if (qeth_check_layer2(card))
1011                 return -EPERM;
1012
1013         return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
1014 }
1015
1016 static ssize_t
1017 qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1018 {
1019         struct qeth_card *card = dev->driver_data;
1020         char *tmp;
1021
1022         if (!card)
1023                 return -EINVAL;
1024
1025         if (qeth_check_layer2(card))
1026                 return -EPERM;
1027
1028         tmp = strsep((char **) &buf, "\n");
1029         if (!strcmp(tmp, "toggle")){
1030                 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
1031         } else if (!strcmp(tmp, "1")){
1032                 card->ipato.invert4 = 1;
1033         } else if (!strcmp(tmp, "0")){
1034                 card->ipato.invert4 = 0;
1035         } else {
1036                 PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to "
1037                            "this file\n");
1038                 return -EINVAL;
1039         }
1040         return count;
1041 }
1042
1043 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
1044                         qeth_dev_ipato_invert4_show,
1045                         qeth_dev_ipato_invert4_store);
1046
1047 static inline ssize_t
1048 qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
1049                         enum qeth_prot_versions proto)
1050 {
1051         struct qeth_ipato_entry *ipatoe;
1052         unsigned long flags;
1053         char addr_str[40];
1054         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1055         int i = 0;
1056
1057         if (qeth_check_layer2(card))
1058                 return -EPERM;
1059
1060         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1061         /* add strlen for "/<mask>\n" */
1062         entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
1063         spin_lock_irqsave(&card->ip_lock, flags);
1064         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
1065                 if (ipatoe->proto != proto)
1066                         continue;
1067                 /* String must not be longer than PAGE_SIZE. So we check if
1068                  * string length gets near PAGE_SIZE. Then we can savely display
1069                  * the next IPv6 address (worst case, compared to IPv4) */
1070                 if ((PAGE_SIZE - i) <= entry_len)
1071                         break;
1072                 qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str);
1073                 i += snprintf(buf + i, PAGE_SIZE - i,
1074                               "%s/%i\n", addr_str, ipatoe->mask_bits);
1075         }
1076         spin_unlock_irqrestore(&card->ip_lock, flags);
1077         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1078
1079         return i;
1080 }
1081
1082 static ssize_t
1083 qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1084 {
1085         struct qeth_card *card = dev->driver_data;
1086
1087         if (!card)
1088                 return -EINVAL;
1089
1090         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
1091 }
1092
1093 static inline int
1094 qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
1095                   u8 *addr, int *mask_bits)
1096 {
1097         const char *start, *end;
1098         char *tmp;
1099         char buffer[49] = {0, };
1100
1101         start = buf;
1102         /* get address string */
1103         end = strchr(start, '/');
1104         if (!end){
1105                 PRINT_WARN("Invalid format for ipato_addx/delx. "
1106                            "Use <ip addr>/<mask bits>\n");
1107                 return -EINVAL;
1108         }
1109         strncpy(buffer, start, end - start);
1110         if (qeth_string_to_ipaddr(buffer, proto, addr)){
1111                 PRINT_WARN("Invalid IP address format!\n");
1112                 return -EINVAL;
1113         }
1114         start = end + 1;
1115         *mask_bits = simple_strtoul(start, &tmp, 10);
1116
1117         return 0;
1118 }
1119
1120 static inline ssize_t
1121 qeth_dev_ipato_add_store(const char *buf, size_t count,
1122                          struct qeth_card *card, enum qeth_prot_versions proto)
1123 {
1124         struct qeth_ipato_entry *ipatoe;
1125         u8 addr[16];
1126         int mask_bits;
1127         int rc;
1128
1129         if (qeth_check_layer2(card))
1130                 return -EPERM;
1131         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1132                 return rc;
1133
1134         if (!(ipatoe = kmalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
1135                 PRINT_WARN("No memory to allocate ipato entry\n");
1136                 return -ENOMEM;
1137         }
1138         memset(ipatoe, 0, sizeof(struct qeth_ipato_entry));
1139         ipatoe->proto = proto;
1140         memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
1141         ipatoe->mask_bits = mask_bits;
1142
1143         if ((rc = qeth_add_ipato_entry(card, ipatoe))){
1144                 kfree(ipatoe);
1145                 return rc;
1146         }
1147
1148         return count;
1149 }
1150
1151 static ssize_t
1152 qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1153 {
1154         struct qeth_card *card = dev->driver_data;
1155
1156         if (!card)
1157                 return -EINVAL;
1158
1159         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
1160 }
1161
1162 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
1163                         qeth_dev_ipato_add4_show,
1164                         qeth_dev_ipato_add4_store);
1165
1166 static inline ssize_t
1167 qeth_dev_ipato_del_store(const char *buf, size_t count,
1168                          struct qeth_card *card, enum qeth_prot_versions proto)
1169 {
1170         u8 addr[16];
1171         int mask_bits;
1172         int rc;
1173
1174         if (qeth_check_layer2(card))
1175                 return -EPERM;
1176         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1177                 return rc;
1178
1179         qeth_del_ipato_entry(card, proto, addr, mask_bits);
1180
1181         return count;
1182 }
1183
1184 static ssize_t
1185 qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1186 {
1187         struct qeth_card *card = dev->driver_data;
1188
1189         if (!card)
1190                 return -EINVAL;
1191
1192         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
1193 }
1194
1195 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
1196                         qeth_dev_ipato_del4_store);
1197
1198 #ifdef CONFIG_QETH_IPV6
1199 static ssize_t
1200 qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf)
1201 {
1202         struct qeth_card *card = dev->driver_data;
1203
1204         if (!card)
1205                 return -EINVAL;
1206
1207         if (qeth_check_layer2(card))
1208                 return -EPERM;
1209
1210         return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
1211 }
1212
1213 static ssize_t
1214 qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1215 {
1216         struct qeth_card *card = dev->driver_data;
1217         char *tmp;
1218
1219         if (!card)
1220                 return -EINVAL;
1221
1222         if (qeth_check_layer2(card))
1223                 return -EPERM;
1224
1225         tmp = strsep((char **) &buf, "\n");
1226         if (!strcmp(tmp, "toggle")){
1227                 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
1228         } else if (!strcmp(tmp, "1")){
1229                 card->ipato.invert6 = 1;
1230         } else if (!strcmp(tmp, "0")){
1231                 card->ipato.invert6 = 0;
1232         } else {
1233                 PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to "
1234                            "this file\n");
1235                 return -EINVAL;
1236         }
1237         return count;
1238 }
1239
1240 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
1241                         qeth_dev_ipato_invert6_show,
1242                         qeth_dev_ipato_invert6_store);
1243
1244
1245 static ssize_t
1246 qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1247 {
1248         struct qeth_card *card = dev->driver_data;
1249
1250         if (!card)
1251                 return -EINVAL;
1252
1253         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
1254 }
1255
1256 static ssize_t
1257 qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1258 {
1259         struct qeth_card *card = dev->driver_data;
1260
1261         if (!card)
1262                 return -EINVAL;
1263
1264         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
1265 }
1266
1267 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
1268                         qeth_dev_ipato_add6_show,
1269                         qeth_dev_ipato_add6_store);
1270
1271 static ssize_t
1272 qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1273 {
1274         struct qeth_card *card = dev->driver_data;
1275
1276         if (!card)
1277                 return -EINVAL;
1278
1279         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
1280 }
1281
1282 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
1283                         qeth_dev_ipato_del6_store);
1284 #endif /* CONFIG_QETH_IPV6 */
1285
1286 static struct device_attribute * qeth_ipato_device_attrs[] = {
1287         &dev_attr_ipato_enable,
1288         &dev_attr_ipato_invert4,
1289         &dev_attr_ipato_add4,
1290         &dev_attr_ipato_del4,
1291 #ifdef CONFIG_QETH_IPV6
1292         &dev_attr_ipato_invert6,
1293         &dev_attr_ipato_add6,
1294         &dev_attr_ipato_del6,
1295 #endif
1296         NULL,
1297 };
1298
1299 static struct attribute_group qeth_device_ipato_group = {
1300         .name = "ipa_takeover",
1301         .attrs = (struct attribute **)qeth_ipato_device_attrs,
1302 };
1303
1304 static inline ssize_t
1305 qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
1306                         enum qeth_prot_versions proto)
1307 {
1308         struct qeth_ipaddr *ipaddr;
1309         char addr_str[40];
1310         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1311         unsigned long flags;
1312         int i = 0;
1313
1314         if (qeth_check_layer2(card))
1315                 return -EPERM;
1316
1317         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1318         entry_len += 2; /* \n + terminator */
1319         spin_lock_irqsave(&card->ip_lock, flags);
1320         list_for_each_entry(ipaddr, &card->ip_list, entry){
1321                 if (ipaddr->proto != proto)
1322                         continue;
1323                 if (ipaddr->type != QETH_IP_TYPE_VIPA)
1324                         continue;
1325                 /* String must not be longer than PAGE_SIZE. So we check if
1326                  * string length gets near PAGE_SIZE. Then we can savely display
1327                  * the next IPv6 address (worst case, compared to IPv4) */
1328                 if ((PAGE_SIZE - i) <= entry_len)
1329                         break;
1330                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1331                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1332         }
1333         spin_unlock_irqrestore(&card->ip_lock, flags);
1334         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1335
1336         return i;
1337 }
1338
1339 static ssize_t
1340 qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1341 {
1342         struct qeth_card *card = dev->driver_data;
1343
1344         if (!card)
1345                 return -EINVAL;
1346
1347         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
1348 }
1349
1350 static inline int
1351 qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
1352                  u8 *addr)
1353 {
1354         if (qeth_string_to_ipaddr(buf, proto, addr)){
1355                 PRINT_WARN("Invalid IP address format!\n");
1356                 return -EINVAL;
1357         }
1358         return 0;
1359 }
1360
1361 static inline ssize_t
1362 qeth_dev_vipa_add_store(const char *buf, size_t count,
1363                          struct qeth_card *card, enum qeth_prot_versions proto)
1364 {
1365         u8 addr[16] = {0, };
1366         int rc;
1367
1368         if (qeth_check_layer2(card))
1369                 return -EPERM;
1370         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1371                 return rc;
1372
1373         if ((rc = qeth_add_vipa(card, proto, addr)))
1374                 return rc;
1375
1376         return count;
1377 }
1378
1379 static ssize_t
1380 qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1381 {
1382         struct qeth_card *card = dev->driver_data;
1383
1384         if (!card)
1385                 return -EINVAL;
1386
1387         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
1388 }
1389
1390 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
1391                         qeth_dev_vipa_add4_show,
1392                         qeth_dev_vipa_add4_store);
1393
1394 static inline ssize_t
1395 qeth_dev_vipa_del_store(const char *buf, size_t count,
1396                          struct qeth_card *card, enum qeth_prot_versions proto)
1397 {
1398         u8 addr[16];
1399         int rc;
1400
1401         if (qeth_check_layer2(card))
1402                 return -EPERM;
1403         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1404                 return rc;
1405
1406         qeth_del_vipa(card, proto, addr);
1407
1408         return count;
1409 }
1410
1411 static ssize_t
1412 qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1413 {
1414         struct qeth_card *card = dev->driver_data;
1415
1416         if (!card)
1417                 return -EINVAL;
1418
1419         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
1420 }
1421
1422 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
1423                         qeth_dev_vipa_del4_store);
1424
1425 #ifdef CONFIG_QETH_IPV6
1426 static ssize_t
1427 qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1428 {
1429         struct qeth_card *card = dev->driver_data;
1430
1431         if (!card)
1432                 return -EINVAL;
1433
1434         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
1435 }
1436
1437 static ssize_t
1438 qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1439 {
1440         struct qeth_card *card = dev->driver_data;
1441
1442         if (!card)
1443                 return -EINVAL;
1444
1445         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
1446 }
1447
1448 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
1449                         qeth_dev_vipa_add6_show,
1450                         qeth_dev_vipa_add6_store);
1451
1452 static ssize_t
1453 qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1454 {
1455         struct qeth_card *card = dev->driver_data;
1456
1457         if (!card)
1458                 return -EINVAL;
1459
1460         if (qeth_check_layer2(card))
1461                 return -EPERM;
1462
1463         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
1464 }
1465
1466 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
1467                         qeth_dev_vipa_del6_store);
1468 #endif /* CONFIG_QETH_IPV6 */
1469
1470 static struct device_attribute * qeth_vipa_device_attrs[] = {
1471         &dev_attr_vipa_add4,
1472         &dev_attr_vipa_del4,
1473 #ifdef CONFIG_QETH_IPV6
1474         &dev_attr_vipa_add6,
1475         &dev_attr_vipa_del6,
1476 #endif
1477         NULL,
1478 };
1479
1480 static struct attribute_group qeth_device_vipa_group = {
1481         .name = "vipa",
1482         .attrs = (struct attribute **)qeth_vipa_device_attrs,
1483 };
1484
1485 static inline ssize_t
1486 qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
1487                        enum qeth_prot_versions proto)
1488 {
1489         struct qeth_ipaddr *ipaddr;
1490         char addr_str[40];
1491         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1492         unsigned long flags;
1493         int i = 0;
1494
1495         if (qeth_check_layer2(card))
1496                 return -EPERM;
1497
1498         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1499         entry_len += 2; /* \n + terminator */
1500         spin_lock_irqsave(&card->ip_lock, flags);
1501         list_for_each_entry(ipaddr, &card->ip_list, entry){
1502                 if (ipaddr->proto != proto)
1503                         continue;
1504                 if (ipaddr->type != QETH_IP_TYPE_RXIP)
1505                         continue;
1506                 /* String must not be longer than PAGE_SIZE. So we check if
1507                  * string length gets near PAGE_SIZE. Then we can savely display
1508                  * the next IPv6 address (worst case, compared to IPv4) */
1509                 if ((PAGE_SIZE - i) <= entry_len)
1510                         break;
1511                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1512                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1513         }
1514         spin_unlock_irqrestore(&card->ip_lock, flags);
1515         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1516
1517         return i;
1518 }
1519
1520 static ssize_t
1521 qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1522 {
1523         struct qeth_card *card = dev->driver_data;
1524
1525         if (!card)
1526                 return -EINVAL;
1527
1528         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
1529 }
1530
1531 static inline int
1532 qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
1533                  u8 *addr)
1534 {
1535         if (qeth_string_to_ipaddr(buf, proto, addr)){
1536                 PRINT_WARN("Invalid IP address format!\n");
1537                 return -EINVAL;
1538         }
1539         return 0;
1540 }
1541
1542 static inline ssize_t
1543 qeth_dev_rxip_add_store(const char *buf, size_t count,
1544                         struct qeth_card *card, enum qeth_prot_versions proto)
1545 {
1546         u8 addr[16] = {0, };
1547         int rc;
1548
1549         if (qeth_check_layer2(card))
1550                 return -EPERM;
1551         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1552                 return rc;
1553
1554         if ((rc = qeth_add_rxip(card, proto, addr)))
1555                 return rc;
1556
1557         return count;
1558 }
1559
1560 static ssize_t
1561 qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1562 {
1563         struct qeth_card *card = dev->driver_data;
1564
1565         if (!card)
1566                 return -EINVAL;
1567
1568         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
1569 }
1570
1571 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
1572                         qeth_dev_rxip_add4_show,
1573                         qeth_dev_rxip_add4_store);
1574
1575 static inline ssize_t
1576 qeth_dev_rxip_del_store(const char *buf, size_t count,
1577                         struct qeth_card *card, enum qeth_prot_versions proto)
1578 {
1579         u8 addr[16];
1580         int rc;
1581
1582         if (qeth_check_layer2(card))
1583                 return -EPERM;
1584         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1585                 return rc;
1586
1587         qeth_del_rxip(card, proto, addr);
1588
1589         return count;
1590 }
1591
1592 static ssize_t
1593 qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1594 {
1595         struct qeth_card *card = dev->driver_data;
1596
1597         if (!card)
1598                 return -EINVAL;
1599
1600         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
1601 }
1602
1603 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
1604                         qeth_dev_rxip_del4_store);
1605
1606 #ifdef CONFIG_QETH_IPV6
1607 static ssize_t
1608 qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1609 {
1610         struct qeth_card *card = dev->driver_data;
1611
1612         if (!card)
1613                 return -EINVAL;
1614
1615         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
1616 }
1617
1618 static ssize_t
1619 qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1620 {
1621         struct qeth_card *card = dev->driver_data;
1622
1623         if (!card)
1624                 return -EINVAL;
1625
1626         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
1627 }
1628
1629 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
1630                         qeth_dev_rxip_add6_show,
1631                         qeth_dev_rxip_add6_store);
1632
1633 static ssize_t
1634 qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1635 {
1636         struct qeth_card *card = dev->driver_data;
1637
1638         if (!card)
1639                 return -EINVAL;
1640
1641         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1642 }
1643
1644 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1645                         qeth_dev_rxip_del6_store);
1646 #endif /* CONFIG_QETH_IPV6 */
1647
1648 static struct device_attribute * qeth_rxip_device_attrs[] = {
1649         &dev_attr_rxip_add4,
1650         &dev_attr_rxip_del4,
1651 #ifdef CONFIG_QETH_IPV6
1652         &dev_attr_rxip_add6,
1653         &dev_attr_rxip_del6,
1654 #endif
1655         NULL,
1656 };
1657
1658 static struct attribute_group qeth_device_rxip_group = {
1659         .name = "rxip",
1660         .attrs = (struct attribute **)qeth_rxip_device_attrs,
1661 };
1662
1663 int
1664 qeth_create_device_attributes(struct device *dev)
1665 {
1666         int ret;
1667
1668         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
1669                 return ret;
1670         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
1671                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1672                 return ret;
1673         }
1674         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){
1675                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1676                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1677                 return ret;
1678         }
1679         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){
1680                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1681                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1682                 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1683         }
1684         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group)))
1685                 return ret;
1686
1687         return ret;
1688 }
1689
1690 void
1691 qeth_remove_device_attributes(struct device *dev)
1692 {
1693         sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1694         sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1695         sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1696         sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1697         sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
1698 }
1699
1700 /**********************/
1701 /* DRIVER ATTRIBUTES  */
1702 /**********************/
1703 static ssize_t
1704 qeth_driver_group_store(struct device_driver *ddrv, const char *buf,
1705                         size_t count)
1706 {
1707         const char *start, *end;
1708         char bus_ids[3][BUS_ID_SIZE], *argv[3];
1709         int i;
1710         int err;
1711
1712         start = buf;
1713         for (i = 0; i < 3; i++) {
1714                 static const char delim[] = { ',', ',', '\n' };
1715                 int len;
1716
1717                 if (!(end = strchr(start, delim[i])))
1718                         return -EINVAL;
1719                 len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
1720                 strncpy(bus_ids[i], start, len);
1721                 bus_ids[i][len] = '\0';
1722                 start = end + 1;
1723                 argv[i] = bus_ids[i];
1724         }
1725         err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id,
1726                         &qeth_ccw_driver, 3, argv);
1727         if (err)
1728                 return err;
1729         else
1730                 return count;
1731 }
1732
1733
1734 static DRIVER_ATTR(group, 0200, 0, qeth_driver_group_store);
1735
1736 static ssize_t
1737 qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf,
1738                                 size_t count)
1739 {
1740         int rc;
1741         int signum;
1742         char *tmp, *tmp2;
1743
1744         tmp = strsep((char **) &buf, "\n");
1745         if (!strncmp(tmp, "unregister", 10)){
1746                 if ((rc = qeth_notifier_unregister(current)))
1747                         return rc;
1748                 return count;
1749         }
1750
1751         signum = simple_strtoul(tmp, &tmp2, 10);
1752         if ((signum < 0) || (signum > 32)){
1753                 PRINT_WARN("Signal number %d is out of range\n", signum);
1754                 return -EINVAL;
1755         }
1756         if ((rc = qeth_notifier_register(current, signum)))
1757                 return rc;
1758
1759         return count;
1760 }
1761
1762 static DRIVER_ATTR(notifier_register, 0200, 0,
1763                    qeth_driver_notifier_register_store);
1764
1765 int
1766 qeth_create_driver_attributes(void)
1767 {
1768         int rc;
1769
1770         if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver,
1771                                      &driver_attr_group)))
1772                 return rc;
1773         return driver_create_file(&qeth_ccwgroup_driver.driver,
1774                                   &driver_attr_notifier_register);
1775 }
1776
1777 void
1778 qeth_remove_driver_attributes(void)
1779 {
1780         driver_remove_file(&qeth_ccwgroup_driver.driver,
1781                         &driver_attr_group);
1782         driver_remove_file(&qeth_ccwgroup_driver.driver,
1783                         &driver_attr_notifier_register);
1784 }