drivers/s390/net/qeth_main.c

   1 /*
   2  *
   3  * linux/drivers/s390/net/qeth_main.c ($Revision: 1.170 $)
   4  *
   5  * Linux on zSeries OSA Express and HiperSockets support
   6  *
   7  * Copyright 2000,2003 IBM Corporation
   8  *
   9  *    Author(s): Original Code written by
  10  *                        Utz Bacher (utz.bacher@de.ibm.com)
  11  *               Rewritten by
  12  *                        Frank Pavlic (pavlic@de.ibm.com) and
  13  *                        Thomas Spatzier <tspat@de.ibm.com>
  14  *
  15  *    $Revision: 1.170 $         $Date: 2004/11/17 09:54:06 $
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation; either version 2, or (at your option)
  20  * any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program; if not, write to the Free Software
  29  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  30  */
  31
  32 /***
  33  * eye catcher; just for debugging purposes
  34  */
  35 void volatile
  36 qeth_eyecatcher(void)
  37 {
  38         return;
  39 }
  40
  41 #include <linux/config.h>
  42 #include <linux/module.h>
  43 #include <linux/moduleparam.h>
  44
  45 #include <linux/string.h>
  46 #include <linux/errno.h>
  47 #include <linux/mm.h>
  48
  49 #include <asm/io.h>
  50 #include <asm/ebcdic.h>
  51 #include <linux/ctype.h>
  52 #include <asm/semaphore.h>
  53 #include <asm/timex.h>
  54 #include <linux/ip.h>
  55 #include <linux/inetdevice.h>
  56 #include <linux/netdevice.h>
  57 #include <linux/sched.h>
  58 #include <linux/workqueue.h>
  59 #include <linux/kernel.h>
  60 #include <linux/slab.h>
  61 #include <linux/interrupt.h>
  62 #include <linux/tcp.h>
  63 #include <linux/icmp.h>
  64 #include <linux/skbuff.h>
  65 #include <net/route.h>
  66 #include <net/arp.h>
  67 #include <linux/in.h>
  68 #include <linux/igmp.h>
  69 #include <net/ip.h>
  70 #include <asm/uaccess.h>
  71 #include <linux/init.h>
  72 #include <linux/reboot.h>
  73 #include <asm/qeth.h>
  74 #include <linux/mii.h>
  75 #include <linux/rcupdate.h>
  76
  77 #include "qeth.h"
  78 #include "qeth_mpc.h"
  79 #include "qeth_fs.h"
  80
  81 #define VERSION_QETH_C "$Revision: 1.170 $"
  82 static const char *version = "qeth S/390 OSA-Express driver";
  83
  84 /**
  85  * Debug Facility Stuff
  86  */
  87 static debug_info_t *qeth_dbf_setup = NULL;
  88 static debug_info_t *qeth_dbf_data = NULL;
  89 static debug_info_t *qeth_dbf_misc = NULL;
  90 static debug_info_t *qeth_dbf_control = NULL;
  91 static debug_info_t *qeth_dbf_trace = NULL;
  92 static debug_info_t *qeth_dbf_sense = NULL;
  93 static debug_info_t *qeth_dbf_qerr = NULL;
  94
  95 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
  96
  97 /**
  98  * some more definitions and declarations
  99  */
 100 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
 101
 102 /* list of our cards */
 103 struct qeth_card_list_struct qeth_card_list;
 104 /*process list want to be notified*/
 105 spinlock_t qeth_notify_lock;
 106 struct list_head qeth_notify_list;
 107
 108 static void qeth_send_control_data_cb(struct qeth_channel *,
 109                                       struct qeth_cmd_buffer *);
 110
 111 /**
 112  * here we go with function implementation
 113  */
 114 static void
 115 qeth_init_qdio_info(struct qeth_card *card);
 116
 117 static int
 118 qeth_init_qdio_queues(struct qeth_card *card);
 119
 120 static int
 121 qeth_alloc_qdio_buffers(struct qeth_card *card);
 122
 123 static void
 124 qeth_free_qdio_buffers(struct qeth_card *);
 125
 126 static void
 127 qeth_clear_qdio_buffers(struct qeth_card *);
 128
 129 static void
 130 qeth_clear_ip_list(struct qeth_card *, int, int);
 131
 132 static void
 133 qeth_clear_ipacmd_list(struct qeth_card *);
 134
 135 static int
 136 qeth_qdio_clear_card(struct qeth_card *, int);
 137
 138 static void
 139 qeth_clear_working_pool_list(struct qeth_card *);
 140
 141 static void
 142 qeth_clear_cmd_buffers(struct qeth_channel *);
 143
 144 static int
 145 qeth_stop(struct net_device *);
 146
 147 static void
 148 qeth_clear_ipato_list(struct qeth_card *);
 149
 150 static int
 151 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
 152
 153 static void
 154 qeth_irq_tasklet(unsigned long);
 155
 156 static int
 157 qeth_set_online(struct ccwgroup_device *);
 158
 159 static struct qeth_ipaddr *
 160 qeth_get_addr_buffer(enum qeth_prot_versions);
 161
 162 static void
 163 qeth_set_multicast_list(struct net_device *);
 164
 165 static void
 166 qeth_notify_processes(void)
 167 {
 168         /*notify all  registered processes */
 169         struct qeth_notify_list_struct *n_entry;
 170
 171         QETH_DBF_TEXT(trace,3,"procnoti");
 172         spin_lock(&qeth_notify_lock);
 173         list_for_each_entry(n_entry, &qeth_notify_list, list) {
 174                 send_sig(n_entry->signum, n_entry->task, 1);
 175         }
 176         spin_unlock(&qeth_notify_lock);
 177
 178 }
 179 int
 180 qeth_notifier_unregister(struct task_struct *p)
 181 {
 182         struct qeth_notify_list_struct *n_entry, *tmp;
 183
 184         QETH_DBF_TEXT(trace, 2, "notunreg");
 185         spin_lock(&qeth_notify_lock);
 186         list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
 187                 if (n_entry->task == p) {
 188                         list_del(&n_entry->list);
 189                         kfree(n_entry);
 190                         goto out;
 191                 }
 192         }
 193 out:
 194         spin_unlock(&qeth_notify_lock);
 195         return 0;
 196 }
 197 int
 198 qeth_notifier_register(struct task_struct *p, int signum)
 199 {
 200         struct qeth_notify_list_struct *n_entry;
 201
 202
 203         /*check first if entry already exists*/
 204         spin_lock(&qeth_notify_lock);
 205         list_for_each_entry(n_entry, &qeth_notify_list, list) {
 206                 if (n_entry->task == p) {
 207                         n_entry->signum = signum;
 208                         spin_unlock(&qeth_notify_lock);
 209                         return 0;
 210                 }
 211         }
 212         spin_unlock(&qeth_notify_lock);
 213
 214         n_entry = (struct qeth_notify_list_struct *)
 215                 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
 216         if (!n_entry)
 217                 return -ENOMEM;
 218         n_entry->task = p;
 219         n_entry->signum = signum;
 220         spin_lock(&qeth_notify_lock);
 221         list_add(&n_entry->list,&qeth_notify_list);
 222         spin_unlock(&qeth_notify_lock);
 223         return 0;
 224 }
 225
 226
 227 /**
 228  * free channel command buffers
 229  */
 230 static void
 231 qeth_clean_channel(struct qeth_channel *channel)
 232 {
 233         int cnt;
 234
 235         QETH_DBF_TEXT(setup, 2, "freech");
 236         for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
 237                 kfree(channel->iob[cnt].data);
 238 }
 239
 240 /**
 241  * free card
 242  */
 243 static void
 244 qeth_free_card(struct qeth_card *card)
 245 {
 246
 247         QETH_DBF_TEXT(setup, 2, "freecrd");
 248         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 249         qeth_clean_channel(&card->read);
 250         qeth_clean_channel(&card->write);
 251         if (card->dev)
 252                 free_netdev(card->dev);
 253         qeth_clear_ip_list(card, 0, 0);
 254         qeth_clear_ipato_list(card);
 255         kfree(card->ip_tbd_list);
 256         qeth_free_qdio_buffers(card);
 257         kfree(card);
 258 }
 259
 260 /**
 261  * alloc memory for command buffer per channel
 262  */
 263 static int
 264 qeth_setup_channel(struct qeth_channel *channel)
 265 {
 266         int cnt;
 267
 268         QETH_DBF_TEXT(setup, 2, "setupch");
 269         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
 270                 channel->iob[cnt].data = (char *)
 271                         kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
 272                 if (channel->iob[cnt].data == NULL)
 273                         break;
 274                 channel->iob[cnt].state = BUF_STATE_FREE;
 275                 channel->iob[cnt].channel = channel;
 276                 channel->iob[cnt].callback = qeth_send_control_data_cb;
 277                 channel->iob[cnt].rc = 0;
 278         }
 279         if (cnt < QETH_CMD_BUFFER_NO) {
 280                 while (cnt-- > 0)
 281                         kfree(channel->iob[cnt].data);
 282                 return -ENOMEM;
 283         }
 284         channel->buf_no = 0;
 285         channel->io_buf_no = 0;
 286         atomic_set(&channel->irq_pending, 0);
 287         spin_lock_init(&channel->iob_lock);
 288
 289         init_waitqueue_head(&channel->wait_q);
 290         channel->irq_tasklet.data = (unsigned long) channel;
 291         channel->irq_tasklet.func = qeth_irq_tasklet;
 292         return 0;
 293 }
 294
 295 /**
 296  * alloc memory for card structure
 297  */
 298 static struct qeth_card *
 299 qeth_alloc_card(void)
 300 {
 301         struct qeth_card *card;
 302
 303         QETH_DBF_TEXT(setup, 2, "alloccrd");
 304         card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
 305                                             GFP_DMA|GFP_KERNEL);
 306         if (!card)
 307                 return NULL;
 308         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 309         memset(card, 0, sizeof(struct qeth_card));
 310         if (qeth_setup_channel(&card->read)) {
 311                 kfree(card);
 312                 return NULL;
 313         }
 314         if (qeth_setup_channel(&card->write)) {
 315                 qeth_clean_channel(&card->read);
 316                 kfree(card);
 317                 return NULL;
 318         }
 319         return card;
 320 }
 321
 322 static long
 323 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
 324 {
 325         if (!IS_ERR(irb))
 326                 return 0;
 327
 328         switch (PTR_ERR(irb)) {
 329         case -EIO:
 330                 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
 331                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 332                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
 333                 break;
 334         case -ETIMEDOUT:
 335                 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
 336                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 337                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -ETIMEDOUT);
 338                 break;
 339         default:
 340                 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
 341                            cdev->dev.bus_id);
 342                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 343                 QETH_DBF_TEXT(trace, 2, "  rc???");
 344         }
 345         return PTR_ERR(irb);
 346 }
 347
 348 static int
 349 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
 350 {
 351         int dstat,cstat;
 352         char *sense;
 353
 354         sense = (char *) irb->ecw;
 355         cstat = irb->scsw.cstat;
 356         dstat = irb->scsw.dstat;
 357
 358         if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
 359                      SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
 360                      SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
 361                 QETH_DBF_TEXT(trace,2, "CGENCHK");
 362                 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
 363                            cdev->dev.bus_id, dstat, cstat);
 364                 HEXDUMP16(WARN, "irb: ", irb);
 365                 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
 366                 return 1;
 367         }
 368
 369         if (dstat & DEV_STAT_UNIT_CHECK) {
 370                 if (sense[SENSE_RESETTING_EVENT_BYTE] &
 371                     SENSE_RESETTING_EVENT_FLAG) {
 372                         QETH_DBF_TEXT(trace,2,"REVIND");
 373                         return 1;
 374                 }
 375                 if (sense[SENSE_COMMAND_REJECT_BYTE] &
 376                     SENSE_COMMAND_REJECT_FLAG) {
 377                         QETH_DBF_TEXT(trace,2,"CMDREJi");
 378                         return 0;
 379                 }
 380                 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
 381                         QETH_DBF_TEXT(trace,2,"AFFE");
 382                         return 1;
 383                 }
 384                 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
 385                         QETH_DBF_TEXT(trace,2,"ZEROSEN");
 386                         return 0;
 387                 }
 388                 QETH_DBF_TEXT(trace,2,"DGENCHK");
 389                         return 1;
 390         }
 391         return 0;
 392 }
 393 static int qeth_issue_next_read(struct qeth_card *);
 394
 395 /**
 396  * interrupt handler
 397  */
 398 static void
 399 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 400 {
 401         int rc;
 402         int cstat,dstat;
 403         struct qeth_cmd_buffer *buffer;
 404         struct qeth_channel *channel;
 405         struct qeth_card *card;
 406
 407         QETH_DBF_TEXT(trace,5,"irq");
 408
 409         if (__qeth_check_irb_error(cdev, irb))
 410                 return;
 411         cstat = irb->scsw.cstat;
 412         dstat = irb->scsw.dstat;
 413
 414         card = CARD_FROM_CDEV(cdev);
 415         if (!card)
 416                 return;
 417
 418         if (card->read.ccwdev == cdev){
 419                 channel = &card->read;
 420                 QETH_DBF_TEXT(trace,5,"read");
 421         } else if (card->write.ccwdev == cdev) {
 422                 channel = &card->write;
 423                 QETH_DBF_TEXT(trace,5,"write");
 424         } else {
 425                 channel = &card->data;
 426                 QETH_DBF_TEXT(trace,5,"data");
 427         }
 428         atomic_set(&channel->irq_pending, 0);
 429
 430         if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
 431                 channel->state = CH_STATE_STOPPED;
 432
 433         if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
 434                 channel->state = CH_STATE_HALTED;
 435
 436         /*let's wake up immediately on data channel*/
 437         if ((channel == &card->data) && (intparm != 0))
 438                 goto out;
 439
 440         if (intparm == QETH_CLEAR_CHANNEL_PARM) {
 441                 QETH_DBF_TEXT(trace, 6, "clrchpar");
 442                 /* we don't have to handle this further */
 443                 intparm = 0;
 444         }
 445         if (intparm == QETH_HALT_CHANNEL_PARM) {
 446                 QETH_DBF_TEXT(trace, 6, "hltchpar");
 447                 /* we don't have to handle this further */
 448                 intparm = 0;
 449         }
 450         if ((dstat & DEV_STAT_UNIT_EXCEP) ||
 451             (dstat & DEV_STAT_UNIT_CHECK) ||
 452             (cstat)) {
 453                 if (irb->esw.esw0.erw.cons) {
 454                         /* TODO: we should make this s390dbf */
 455                         PRINT_WARN("sense data available on channel %s.\n",
 456                                    CHANNEL_ID(channel));
 457                         PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
 458                         HEXDUMP16(WARN,"irb: ",irb);
 459                         HEXDUMP16(WARN,"sense data: ",irb->ecw);
 460                 }
 461                 rc = qeth_get_problem(cdev,irb);
 462                 if (rc) {
 463                         qeth_schedule_recovery(card);
 464                         goto out;
 465                 }
 466         }
 467
 468         if (intparm) {
 469                 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
 470                 buffer->state = BUF_STATE_PROCESSED;
 471         }
 472         if (channel == &card->data)
 473                 return;
 474
 475         if (channel == &card->read &&
 476             channel->state == CH_STATE_UP)
 477                 qeth_issue_next_read(card);
 478
 479         tasklet_schedule(&channel->irq_tasklet);
 480         return;
 481 out:
 482         wake_up(&card->wait_q);
 483 }
 484
 485 /**
 486  * tasklet function scheduled from irq handler
 487  */
 488 static void
 489 qeth_irq_tasklet(unsigned long data)
 490 {
 491         struct qeth_card *card;
 492         struct qeth_channel *channel;
 493         struct qeth_cmd_buffer *iob;
 494         __u8 index;
 495
 496         QETH_DBF_TEXT(trace,5,"irqtlet");
 497         channel = (struct qeth_channel *) data;
 498         iob = channel->iob;
 499         index = channel->buf_no;
 500         card = CARD_FROM_CDEV(channel->ccwdev);
 501         while (iob[index].state == BUF_STATE_PROCESSED) {
 502                 if (iob[index].callback !=NULL) {
 503                         iob[index].callback(channel,iob + index);
 504                 }
 505                 index = (index + 1) % QETH_CMD_BUFFER_NO;
 506         }
 507         channel->buf_no = index;
 508         wake_up(&card->wait_q);
 509 }
 510
 511 static int qeth_stop_card(struct qeth_card *);
 512
 513 static int
 514 qeth_set_offline(struct ccwgroup_device *cgdev)
 515 {
 516         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 517         enum qeth_card_states recover_flag;
 518
 519         QETH_DBF_TEXT(setup, 3, "setoffl");
 520         QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 521
 522         recover_flag = card->state;
 523         if (qeth_stop_card(card) == -ERESTARTSYS){
 524                 PRINT_WARN("Stopping card %s interrupted by user!\n",
 525                            CARD_BUS_ID(card));
 526                 return -ERESTARTSYS;
 527         }
 528         ccw_device_set_offline(CARD_DDEV(card));
 529         ccw_device_set_offline(CARD_WDEV(card));
 530         ccw_device_set_offline(CARD_RDEV(card));
 531         if (recover_flag == CARD_STATE_UP)
 532                 card->state = CARD_STATE_RECOVER;
 533         qeth_notify_processes();
 534         return 0;
 535 }
 536
 537 static void
 538 qeth_remove_device(struct ccwgroup_device *cgdev)
 539 {
 540         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 541         unsigned long flags;
 542
 543         QETH_DBF_TEXT(setup, 3, "rmdev");
 544         QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 545
 546         if (!card)
 547                 return;
 548
 549         if (cgdev->state == CCWGROUP_ONLINE){
 550                 card->use_hard_stop = 1;
 551                 qeth_set_offline(cgdev);
 552         }
 553         /* remove form our internal list */
 554         write_lock_irqsave(&qeth_card_list.rwlock, flags);
 555         list_del(&card->list);
 556         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
 557         if (card->dev)
 558                 unregister_netdev(card->dev);
 559         qeth_remove_device_attributes(&cgdev->dev);
 560         qeth_free_card(card);
 561         cgdev->dev.driver_data = NULL;
 562         put_device(&cgdev->dev);
 563 }
 564
 565 static int
 566 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 567 static int
 568 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 569
 570 /**
 571  * Add/remove address to/from card's ip list, i.e. try to add or remove
 572  * reference to/from an IP address that is already registered on the card.
 573  * Returns:
 574  *      0  address was on card and its reference count has been adjusted,
 575  *         but is still > 0, so nothing has to be done
 576  *         also returns 0 if card was not on card and the todo was to delete
 577  *         the address -> there is also nothing to be done
 578  *      1  address was not on card and the todo is to add it to the card's ip
 579  *         list
 580  *      -1 address was on card and its reference count has been decremented
 581  *         to <= 0 by the todo -> address must be removed from card
 582  */
 583 static int
 584 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
 585                       struct qeth_ipaddr **__addr)
 586 {
 587         struct qeth_ipaddr *addr;
 588         int found = 0;
 589
 590         list_for_each_entry(addr, &card->ip_list, entry) {
 591                 if ((addr->proto     == QETH_PROT_IPV4)  &&
 592                     (todo->proto     == QETH_PROT_IPV4)  &&
 593                     (addr->type      == todo->type)      &&
 594                     (addr->u.a4.addr == todo->u.a4.addr) &&
 595                     (addr->u.a4.mask == todo->u.a4.mask)   ){
 596                         found = 1;
 597                         break;
 598                 }
 599                 if ((addr->proto       == QETH_PROT_IPV6)     &&
 600                     (todo->proto       == QETH_PROT_IPV6)     &&
 601                     (addr->type        == todo->type)         &&
 602                     (addr->u.a6.pfxlen == todo->u.a6.pfxlen)  &&
 603                     (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
 604                             sizeof(struct in6_addr)) == 0))     {
 605                         found = 1;
 606                         break;
 607                 }
 608         }
 609         if (found){
 610                 addr->users += todo->users;
 611                 if (addr->users <= 0){
 612                         *__addr = addr;
 613                         return -1;
 614                 } else {
 615                         /* for VIPA and RXIP limit refcount to 1 */
 616                         if (addr->type != QETH_IP_TYPE_NORMAL)
 617                                 addr->users = 1;
 618                         return 0;
 619                 }
 620         }
 621         if (todo->users > 0){
 622                 /* for VIPA and RXIP limit refcount to 1 */
 623                 if (todo->type != QETH_IP_TYPE_NORMAL)
 624                         addr->users = 1;
 625                 return 1;
 626         } else
 627                 return 0;
 628 }
 629
 630 static inline int
 631 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
 632                               int same_type)
 633 {
 634         struct qeth_ipaddr *tmp;
 635
 636         list_for_each_entry(tmp, list, entry) {
 637                 if ((tmp->proto     == QETH_PROT_IPV4)            &&
 638                     (addr->proto    == QETH_PROT_IPV4)            &&
 639                     ((same_type && (tmp->type == addr->type)) ||
 640                      (!same_type && (tmp->type != addr->type))  ) &&
 641                     (tmp->u.a4.addr == addr->u.a4.addr)             ){
 642                         return 1;
 643                 }
 644                 if ((tmp->proto  == QETH_PROT_IPV6)               &&
 645                     (addr->proto == QETH_PROT_IPV6)               &&
 646                     ((same_type && (tmp->type == addr->type)) ||
 647                      (!same_type && (tmp->type != addr->type))  ) &&
 648                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 649                             sizeof(struct in6_addr)) == 0)          ) {
 650                         return 1;
 651                 }
 652         }
 653         return 0;
 654 }
 655
 656 /*
 657  * Add IP to be added to todo list. If there is already an "add todo"
 658  * in this list we just incremenent the reference count.
 659  * Returns 0 if we  just incremented reference count.
 660  */
 661 static int
 662 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
 663 {
 664         struct qeth_ipaddr *tmp, *t;
 665         int found = 0;
 666
 667         list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
 668                 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
 669                     (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
 670                         return 0;
 671                 if ((tmp->proto        == QETH_PROT_IPV4)     &&
 672                     (addr->proto       == QETH_PROT_IPV4)     &&
 673                     (tmp->type         == addr->type)         &&
 674                     (tmp->is_multicast == addr->is_multicast) &&
 675                     (tmp->u.a4.addr    == addr->u.a4.addr)    &&
 676                     (tmp->u.a4.mask    == addr->u.a4.mask)      ){
 677                         found = 1;
 678                         break;
 679                 }
 680                 if ((tmp->proto        == QETH_PROT_IPV6)      &&
 681                     (addr->proto       == QETH_PROT_IPV6)      &&
 682                     (tmp->type         == addr->type)          &&
 683                     (tmp->is_multicast == addr->is_multicast)  &&
 684                     (tmp->u.a6.pfxlen  == addr->u.a6.pfxlen)   &&
 685                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 686                             sizeof(struct in6_addr)) == 0)        ){
 687                         found = 1;
 688                         break;
 689                 }
 690         }
 691         if (found){
 692                 if (addr->users != 0)
 693                         tmp->users += addr->users;
 694                 else
 695                         tmp->users += add? 1:-1;
 696                 if (tmp->users == 0){
 697                         list_del(&tmp->entry);
 698                         kfree(tmp);
 699                 }
 700                 return 0;
 701         } else {
 702                 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
 703                         list_add(&addr->entry, card->ip_tbd_list);
 704                 else {
 705                         if (addr->users == 0)
 706                                 addr->users += add? 1:-1;
 707                         if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
 708                             qeth_is_addr_covered_by_ipato(card, addr)){
 709                                 QETH_DBF_TEXT(trace, 2, "tkovaddr");
 710                                 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
 711                         }
 712                         list_add_tail(&addr->entry, card->ip_tbd_list);
 713                 }
 714                 return 1;
 715         }
 716 }
 717
 718 /**
 719  * Remove IP address from list
 720  */
 721 static int
 722 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 723 {
 724         unsigned long flags;
 725         int rc = 0;
 726
 727         QETH_DBF_TEXT(trace,4,"delip");
 728         if (addr->proto == QETH_PROT_IPV4)
 729                 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
 730         else {
 731                 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
 732                 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
 733         }
 734         spin_lock_irqsave(&card->ip_lock, flags);
 735         rc = __qeth_insert_ip_todo(card, addr, 0);
 736         spin_unlock_irqrestore(&card->ip_lock, flags);
 737         return rc;
 738 }
 739
 740 static int
 741 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 742 {
 743         unsigned long flags;
 744         int rc = 0;
 745
 746         QETH_DBF_TEXT(trace,4,"addip");
 747         if (addr->proto == QETH_PROT_IPV4)
 748                 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
 749         else {
 750                 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
 751                 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
 752         }
 753         spin_lock_irqsave(&card->ip_lock, flags);
 754         rc = __qeth_insert_ip_todo(card, addr, 1);
 755         spin_unlock_irqrestore(&card->ip_lock, flags);
 756         return rc;
 757 }
 758
 759 static inline void
 760 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
 761 {
 762         struct qeth_ipaddr *addr, *tmp;
 763         int rc;
 764
 765         list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
 766                 if (addr->is_multicast) {
 767                         spin_unlock_irqrestore(&card->ip_lock, *flags);
 768                         rc = qeth_deregister_addr_entry(card, addr);
 769                         spin_lock_irqsave(&card->ip_lock, *flags);
 770                         if (!rc) {
 771                                 list_del(&addr->entry);
 772                                 kfree(addr);
 773                         }
 774                 }
 775         }
 776 }
 777
 778 static void
 779 qeth_set_ip_addr_list(struct qeth_card *card)
 780 {
 781         struct list_head *tbd_list;
 782         struct qeth_ipaddr *todo, *addr;
 783         unsigned long flags;
 784         int rc;
 785
 786         QETH_DBF_TEXT(trace, 2, "sdiplist");
 787         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
 788
 789         spin_lock_irqsave(&card->ip_lock, flags);
 790         tbd_list = card->ip_tbd_list;
 791         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
 792         if (!card->ip_tbd_list) {
 793                 QETH_DBF_TEXT(trace, 0, "silnomem");
 794                 card->ip_tbd_list = tbd_list;
 795                 spin_unlock_irqrestore(&card->ip_lock, flags);
 796                 return;
 797         } else
 798                 INIT_LIST_HEAD(card->ip_tbd_list);
 799
 800         while (!list_empty(tbd_list)){
 801                 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
 802                 list_del(&todo->entry);
 803                 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
 804                         __qeth_delete_all_mc(card, &flags);
 805                         kfree(todo);
 806                         continue;
 807                 }
 808                 rc = __qeth_ref_ip_on_card(card, todo, &addr);
 809                 if (rc == 0) {
 810                         /* nothing to be done; only adjusted refcount */
 811                         kfree(todo);
 812                 } else if (rc == 1) {
 813                         /* new entry to be added to on-card list */
 814                         spin_unlock_irqrestore(&card->ip_lock, flags);
 815                         rc = qeth_register_addr_entry(card, todo);
 816                         spin_lock_irqsave(&card->ip_lock, flags);
 817                         if (!rc)
 818                                 list_add_tail(&todo->entry, &card->ip_list);
 819                         else
 820                                 kfree(todo);
 821                 } else if (rc == -1) {
 822                         /* on-card entry to be removed */
 823                         list_del_init(&addr->entry);
 824                         spin_unlock_irqrestore(&card->ip_lock, flags);
 825                         rc = qeth_deregister_addr_entry(card, addr);
 826                         spin_lock_irqsave(&card->ip_lock, flags);
 827                         if (!rc)
 828                                 kfree(addr);
 829                         else
 830                                 list_add_tail(&addr->entry, &card->ip_list);
 831                         kfree(todo);
 832                 }
 833         }
 834         spin_unlock_irqrestore(&card->ip_lock, flags);
 835         kfree(tbd_list);
 836 }
 837
 838 static void qeth_delete_mc_addresses(struct qeth_card *);
 839 static void qeth_add_multicast_ipv4(struct qeth_card *);
 840 #ifdef CONFIG_QETH_IPV6
 841 static void qeth_add_multicast_ipv6(struct qeth_card *);
 842 #endif
 843
 844 static inline int
 845 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
 846 {
 847         unsigned long flags;
 848
 849         spin_lock_irqsave(&card->thread_mask_lock, flags);
 850         if ( !(card->thread_allowed_mask & thread) ||
 851               (card->thread_start_mask & thread) ) {
 852                 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 853                 return -EPERM;
 854         }
 855         card->thread_start_mask |= thread;
 856         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 857         return 0;
 858 }
 859
 860 static void
 861 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
 862 {
 863         unsigned long flags;
 864
 865         spin_lock_irqsave(&card->thread_mask_lock, flags);
 866         card->thread_start_mask &= ~thread;
 867         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 868         wake_up(&card->wait_q);
 869 }
 870
 871 static void
 872 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
 873 {
 874         unsigned long flags;
 875
 876         spin_lock_irqsave(&card->thread_mask_lock, flags);
 877         card->thread_running_mask &= ~thread;
 878         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 879         wake_up(&card->wait_q);
 880 }
 881
 882 static inline int
 883 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 884 {
 885         unsigned long flags;
 886         int rc = 0;
 887
 888         spin_lock_irqsave(&card->thread_mask_lock, flags);
 889         if (card->thread_start_mask & thread){
 890                 if ((card->thread_allowed_mask & thread) &&
 891                     !(card->thread_running_mask & thread)){
 892                         rc = 1;
 893                         card->thread_start_mask &= ~thread;
 894                         card->thread_running_mask |= thread;
 895                 } else
 896                         rc = -EPERM;
 897         }
 898         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 899         return rc;
 900 }
 901
 902 static int
 903 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 904 {
 905         int rc = 0;
 906
 907         wait_event(card->wait_q,
 908                    (rc = __qeth_do_run_thread(card, thread)) >= 0);
 909         return rc;
 910 }
 911
 912 static int
 913 qeth_register_ip_addresses(void *ptr)
 914 {
 915         struct qeth_card *card;
 916
 917         card = (struct qeth_card *) ptr;
 918         daemonize("qeth_reg_ip");
 919         QETH_DBF_TEXT(trace,4,"regipth1");
 920         if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
 921                 return 0;
 922         QETH_DBF_TEXT(trace,4,"regipth2");
 923         qeth_set_ip_addr_list(card);
 924         qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
 925         return 0;
 926 }
 927
 928 static int
 929 qeth_recover(void *ptr)
 930 {
 931         struct qeth_card *card;
 932         int rc = 0;
 933
 934         card = (struct qeth_card *) ptr;
 935         daemonize("qeth_recover");
 936         QETH_DBF_TEXT(trace,2,"recover1");
 937         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
 938         if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
 939                 return 0;
 940         QETH_DBF_TEXT(trace,2,"recover2");
 941         PRINT_WARN("Recovery of device %s started ...\n",
 942                    CARD_BUS_ID(card));
 943         card->use_hard_stop = 1;
 944         qeth_set_offline(card->gdev);
 945         rc = qeth_set_online(card->gdev);
 946         if (!rc)
 947                 PRINT_INFO("Device %s successfully recovered!\n",
 948                            CARD_BUS_ID(card));
 949         else
 950                 PRINT_INFO("Device %s could not be recovered!\n",
 951                            CARD_BUS_ID(card));
 952         /* don't run another scheduled recovery */
 953         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 954         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
 955         return 0;
 956 }
 957
 958 void
 959 qeth_schedule_recovery(struct qeth_card *card)
 960 {
 961         QETH_DBF_TEXT(trace,2,"startrec");
 962
 963         if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
 964                 schedule_work(&card->kernel_thread_starter);
 965 }
 966
 967 static int
 968 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
 969 {
 970         unsigned long flags;
 971         int rc = 0;
 972
 973         spin_lock_irqsave(&card->thread_mask_lock, flags);
 974         QETH_DBF_TEXT_(trace, 4, "  %02x%02x%02x",
 975                         (u8) card->thread_start_mask,
 976                         (u8) card->thread_allowed_mask,
 977                         (u8) card->thread_running_mask);
 978         rc = (card->thread_start_mask & thread);
 979         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 980         return rc;
 981 }
 982
 983 static void
 984 qeth_start_kernel_thread(struct qeth_card *card)
 985 {
 986         QETH_DBF_TEXT(trace , 2, "strthrd");
 987
 988         if (card->read.state != CH_STATE_UP &&
 989             card->write.state != CH_STATE_UP)
 990                 return;
 991
 992         if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
 993                 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
 994         if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
 995                 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
 996 }
 997
 998
 999 static void
1000 qeth_set_intial_options(struct qeth_card *card)
1001 {
1002         card->options.route4.type = NO_ROUTER;
1003 #ifdef CONFIG_QETH_IPV6
1004         card->options.route6.type = NO_ROUTER;
1005 #endif /* QETH_IPV6 */
1006         card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1007         card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1008         card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1009         card->options.fake_broadcast = 0;
1010         card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1011         card->options.fake_ll = 0;
1012         card->options.layer2 = 0;
1013 }
1014
1015 /**
1016  * initialize channels ,card and all state machines
1017  */
1018 static int
1019 qeth_setup_card(struct qeth_card *card)
1020 {
1021
1022         QETH_DBF_TEXT(setup, 2, "setupcrd");
1023         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1024
1025         card->read.state  = CH_STATE_DOWN;
1026         card->write.state = CH_STATE_DOWN;
1027         card->data.state  = CH_STATE_DOWN;
1028         card->state = CARD_STATE_DOWN;
1029         card->lan_online = 0;
1030         card->use_hard_stop = 0;
1031         card->dev = NULL;
1032 #ifdef CONFIG_QETH_VLAN
1033         spin_lock_init(&card->vlanlock);
1034         card->vlangrp = NULL;
1035 #endif
1036         spin_lock_init(&card->ip_lock);
1037         spin_lock_init(&card->thread_mask_lock);
1038         card->thread_start_mask = 0;
1039         card->thread_allowed_mask = 0;
1040         card->thread_running_mask = 0;
1041         INIT_WORK(&card->kernel_thread_starter,
1042                   (void *)qeth_start_kernel_thread,card);
1043         INIT_LIST_HEAD(&card->ip_list);
1044         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1045         if (!card->ip_tbd_list) {
1046                 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1047                 return -ENOMEM;
1048         }
1049         INIT_LIST_HEAD(card->ip_tbd_list);
1050         INIT_LIST_HEAD(&card->cmd_waiter_list);
1051         init_waitqueue_head(&card->wait_q);
1052         /* intial options */
1053         qeth_set_intial_options(card);
1054         /* IP address takeover */
1055         INIT_LIST_HEAD(&card->ipato.entries);
1056         card->ipato.enabled = 0;
1057         card->ipato.invert4 = 0;
1058         card->ipato.invert6 = 0;
1059         /* init QDIO stuff */
1060         qeth_init_qdio_info(card);
1061         return 0;
1062 }
1063
1064 static int
1065 qeth_determine_card_type(struct qeth_card *card)
1066 {
1067         int i = 0;
1068
1069         QETH_DBF_TEXT(setup, 2, "detcdtyp");
1070
1071         while (known_devices[i][4]) {
1072                 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1073                     (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1074                         card->info.type = known_devices[i][4];
1075                         card->qdio.no_out_queues = known_devices[i][8];
1076                         card->info.is_multicast_different = known_devices[i][9];
1077                         return 0;
1078                 }
1079                 i++;
1080         }
1081         card->info.type = QETH_CARD_TYPE_UNKNOWN;
1082         PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1083         return -ENOENT;
1084 }
1085
1086 static int
1087 qeth_probe_device(struct ccwgroup_device *gdev)
1088 {
1089         struct qeth_card *card;
1090         struct device *dev;
1091         unsigned long flags;
1092         int rc;
1093
1094         QETH_DBF_TEXT(setup, 2, "probedev");
1095
1096         dev = &gdev->dev;
1097         if (!get_device(dev))
1098                 return -ENODEV;
1099
1100         card = qeth_alloc_card();
1101         if (!card) {
1102                 put_device(dev);
1103                 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1104                 return -ENOMEM;
1105         }
1106         if ((rc = qeth_setup_card(card))){
1107                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1108                 put_device(dev);
1109                 qeth_free_card(card);
1110                 return rc;
1111         }
1112         gdev->dev.driver_data = card;
1113         card->gdev = gdev;
1114         gdev->cdev[0]->handler = qeth_irq;
1115         gdev->cdev[1]->handler = qeth_irq;
1116         gdev->cdev[2]->handler = qeth_irq;
1117
1118         rc = qeth_create_device_attributes(dev);
1119         if (rc) {
1120                 put_device(dev);
1121                 qeth_free_card(card);
1122                 return rc;
1123         }
1124         card->read.ccwdev  = gdev->cdev[0];
1125         card->write.ccwdev = gdev->cdev[1];
1126         card->data.ccwdev  = gdev->cdev[2];
1127         if ((rc = qeth_determine_card_type(card))){
1128                 PRINT_WARN("%s: not a valid card type\n", __func__);
1129                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1130                 put_device(dev);
1131                 qeth_free_card(card);
1132                 return rc;
1133         }
1134         /* insert into our internal list */
1135         write_lock_irqsave(&qeth_card_list.rwlock, flags);
1136         list_add_tail(&card->list, &qeth_card_list.list);
1137         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1138         return rc;
1139 }
1140
1141
1142 static int
1143 qeth_get_unitaddr(struct qeth_card *card)
1144 {
1145         int length;
1146         char *prcd;
1147         int rc;
1148
1149         QETH_DBF_TEXT(setup, 2, "getunit");
1150         rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1151         if (rc) {
1152                 PRINT_ERR("read_conf_data for device %s returned %i\n",
1153                           CARD_DDEV_ID(card), rc);
1154                 return rc;
1155         }
1156         card->info.chpid = prcd[30];
1157         card->info.unit_addr2 = prcd[31];
1158         card->info.cula = prcd[63];
1159         card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1160                                (prcd[0x11] == _ascebc['M']));
1161         return 0;
1162 }
1163
1164 static void
1165 qeth_init_tokens(struct qeth_card *card)
1166 {
1167         card->token.issuer_rm_w = 0x00010103UL;
1168         card->token.cm_filter_w = 0x00010108UL;
1169         card->token.cm_connection_w = 0x0001010aUL;
1170         card->token.ulp_filter_w = 0x0001010bUL;
1171         card->token.ulp_connection_w = 0x0001010dUL;
1172 }
1173
1174 static inline __u16
1175 raw_devno_from_bus_id(char *id)
1176 {
1177         id += (strlen(id) - 4);
1178         return (__u16) simple_strtoul(id, &id, 16);
1179 }
1180 /**
1181  * setup channel
1182  */
1183 static void
1184 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1185 {
1186         struct qeth_card *card;
1187
1188         QETH_DBF_TEXT(trace, 4, "setupccw");
1189         card = CARD_FROM_CDEV(channel->ccwdev);
1190         if (channel == &card->read)
1191                 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1192         else
1193                 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1194         channel->ccw.count = len;
1195         channel->ccw.cda = (__u32) __pa(iob);
1196 }
1197
1198 /**
1199  * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1200  */
1201 static struct qeth_cmd_buffer *
1202 __qeth_get_buffer(struct qeth_channel *channel)
1203 {
1204         __u8 index;
1205
1206         QETH_DBF_TEXT(trace, 6, "getbuff");
1207         index = channel->io_buf_no;
1208         do {
1209                 if (channel->iob[index].state == BUF_STATE_FREE) {
1210                         channel->iob[index].state = BUF_STATE_LOCKED;
1211                         channel->io_buf_no = (channel->io_buf_no + 1) %
1212                                 QETH_CMD_BUFFER_NO;
1213                         memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1214                         return channel->iob + index;
1215                 }
1216                 index = (index + 1) % QETH_CMD_BUFFER_NO;
1217         } while(index != channel->io_buf_no);
1218
1219         return NULL;
1220 }
1221
1222 /**
1223  * release command buffer
1224  */
1225 static void
1226 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1227 {
1228         unsigned long flags;
1229
1230         QETH_DBF_TEXT(trace, 6, "relbuff");
1231         spin_lock_irqsave(&channel->iob_lock, flags);
1232         memset(iob->data, 0, QETH_BUFSIZE);
1233         iob->state = BUF_STATE_FREE;
1234         iob->callback = qeth_send_control_data_cb;
1235         iob->rc = 0;
1236         spin_unlock_irqrestore(&channel->iob_lock, flags);
1237 }
1238
1239 static struct qeth_cmd_buffer *
1240 qeth_get_buffer(struct qeth_channel *channel)
1241 {
1242         struct qeth_cmd_buffer *buffer = NULL;
1243         unsigned long flags;
1244
1245         spin_lock_irqsave(&channel->iob_lock, flags);
1246         buffer = __qeth_get_buffer(channel);
1247         spin_unlock_irqrestore(&channel->iob_lock, flags);
1248         return buffer;
1249 }
1250
1251 static struct qeth_cmd_buffer *
1252 qeth_wait_for_buffer(struct qeth_channel *channel)
1253 {
1254         struct qeth_cmd_buffer *buffer;
1255         wait_event(channel->wait_q,
1256                    ((buffer = qeth_get_buffer(channel)) != NULL));
1257         return buffer;
1258 }
1259
1260 static void
1261 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1262 {
1263         int cnt = 0;
1264
1265         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1266                 qeth_release_buffer(channel,&channel->iob[cnt]);
1267         channel->buf_no = 0;
1268         channel->io_buf_no = 0;
1269 }
1270
1271 /**
1272  * start IDX for read and write channel
1273  */
1274 static int
1275 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1276                               void (*idx_reply_cb)(struct qeth_channel *,
1277                                                    struct qeth_cmd_buffer *))
1278 {
1279         struct qeth_cmd_buffer *iob;
1280         unsigned long flags;
1281         int rc;
1282         struct qeth_card *card;
1283
1284         QETH_DBF_TEXT(setup, 2, "idxanswr");
1285         card = CARD_FROM_CDEV(channel->ccwdev);
1286         iob = qeth_get_buffer(channel);
1287         iob->callback = idx_reply_cb;
1288         memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1289         channel->ccw.count = QETH_BUFSIZE;
1290         channel->ccw.cda = (__u32) __pa(iob->data);
1291
1292         wait_event(card->wait_q,
1293                    atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1294         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1295         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1296         rc = ccw_device_start(channel->ccwdev,
1297                               &channel->ccw,(addr_t) iob, 0, 0);
1298         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1299
1300         if (rc) {
1301                 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1302                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1303                 atomic_set(&channel->irq_pending, 0);
1304                 wake_up(&card->wait_q);
1305                 return rc;
1306         }
1307         rc = wait_event_interruptible_timeout(card->wait_q,
1308                          channel->state == CH_STATE_UP, QETH_TIMEOUT);
1309         if (rc == -ERESTARTSYS)
1310                 return rc;
1311         if (channel->state != CH_STATE_UP){
1312                 rc = -ETIME;
1313                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1314         } else
1315                 rc = 0;
1316         return rc;
1317 }
1318
1319 static int
1320 qeth_idx_activate_channel(struct qeth_channel *channel,
1321                            void (*idx_reply_cb)(struct qeth_channel *,
1322                                                 struct qeth_cmd_buffer *))
1323 {
1324         struct qeth_card *card;
1325         struct qeth_cmd_buffer *iob;
1326         unsigned long flags;
1327         __u16 temp;
1328         int rc;
1329
1330         card = CARD_FROM_CDEV(channel->ccwdev);
1331
1332         QETH_DBF_TEXT(setup, 2, "idxactch");
1333
1334         iob = qeth_get_buffer(channel);
1335         iob->callback = idx_reply_cb;
1336         memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1337         channel->ccw.count = IDX_ACTIVATE_SIZE;
1338         channel->ccw.cda = (__u32) __pa(iob->data);
1339         if (channel == &card->write) {
1340                 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1341                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1342                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1343                 card->seqno.trans_hdr++;
1344         } else {
1345                 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1346                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1347                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1348         }
1349         memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1350                &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1351         memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1352                &card->info.func_level,sizeof(__u16));
1353         temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1354         memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1355         temp = (card->info.cula << 8) + card->info.unit_addr2;
1356         memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1357
1358         wait_event(card->wait_q,
1359                    atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1360         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1361         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1362         rc = ccw_device_start(channel->ccwdev,
1363                               &channel->ccw,(addr_t) iob, 0, 0);
1364         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1365
1366         if (rc) {
1367                 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1368                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1369                 atomic_set(&channel->irq_pending, 0);
1370                 wake_up(&card->wait_q);
1371                 return rc;
1372         }
1373         rc = wait_event_interruptible_timeout(card->wait_q,
1374                         channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1375         if (rc == -ERESTARTSYS)
1376                 return rc;
1377         if (channel->state != CH_STATE_ACTIVATING) {
1378                 PRINT_WARN("qeth: IDX activate timed out!\n");
1379                 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1380                 return -ETIME;
1381         }
1382         return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1383 }
1384
1385 static int
1386 qeth_peer_func_level(int level)
1387 {
1388         if ((level & 0xff) == 8)
1389                 return (level & 0xff) + 0x400;
1390         if (((level >> 8) & 3) == 1)
1391                 return (level & 0xff) + 0x200;
1392         return level;
1393 }
1394
1395 static void
1396 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1397 {
1398         struct qeth_card *card;
1399         __u16 temp;
1400
1401         QETH_DBF_TEXT(setup ,2, "idxwrcb");
1402
1403         if (channel->state == CH_STATE_DOWN) {
1404                 channel->state = CH_STATE_ACTIVATING;
1405                 goto out;
1406         }
1407         card = CARD_FROM_CDEV(channel->ccwdev);
1408
1409         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1410                 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1411                           "reply\n", CARD_WDEV_ID(card));
1412                 goto out;
1413         }
1414         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1415         if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1416                 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1417                            "function level mismatch "
1418                            "(sent: 0x%x, received: 0x%x)\n",
1419                            CARD_WDEV_ID(card), card->info.func_level, temp);
1420                 goto out;
1421         }
1422         channel->state = CH_STATE_UP;
1423 out:
1424         qeth_release_buffer(channel, iob);
1425 }
1426
1427 static int
1428 qeth_check_idx_response(unsigned char *buffer)
1429 {
1430         if (!buffer)
1431                 return 0;
1432
1433         QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1434         if ((buffer[2] & 0xc0) == 0xc0) {
1435                 PRINT_WARN("received an IDX TERMINATE "
1436                            "with cause code 0x%02x%s\n",
1437                            buffer[4],
1438                            ((buffer[4] == 0x22) ?
1439                             " -- try another portname" : ""));
1440                 QETH_DBF_TEXT(trace, 2, "ckidxres");
1441                 QETH_DBF_TEXT(trace, 2, " idxterm");
1442                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
1443                 return -EIO;
1444         }
1445         return 0;
1446 }
1447
1448 static void
1449 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1450 {
1451         struct qeth_card *card;
1452         __u16 temp;
1453
1454         QETH_DBF_TEXT(setup , 2, "idxrdcb");
1455         if (channel->state == CH_STATE_DOWN) {
1456                 channel->state = CH_STATE_ACTIVATING;
1457                 goto out;
1458         }
1459
1460         card = CARD_FROM_CDEV(channel->ccwdev);
1461         if (qeth_check_idx_response(iob->data)) {
1462                         goto out;
1463         }
1464         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1465                 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1466                           "reply\n", CARD_RDEV_ID(card));
1467                 goto out;
1468         }
1469
1470 /**
1471  * temporary fix for microcode bug
1472  * to revert it,replace OR by AND
1473  */
1474         if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1475              (card->info.type == QETH_CARD_TYPE_OSAE) )
1476                 card->info.portname_required = 1;
1477
1478         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1479         if (temp != qeth_peer_func_level(card->info.func_level)) {
1480                 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1481                            "level mismatch (sent: 0x%x, received: 0x%x)\n",
1482                            CARD_RDEV_ID(card), card->info.func_level, temp);
1483                 goto out;
1484         }
1485         memcpy(&card->token.issuer_rm_r,
1486                QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1487                QETH_MPC_TOKEN_LENGTH);
1488         memcpy(&card->info.mcl_level[0],
1489                QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1490         channel->state = CH_STATE_UP;
1491 out:
1492         qeth_release_buffer(channel,iob);
1493 }
1494
1495 static int
1496 qeth_issue_next_read(struct qeth_card *card)
1497 {
1498         int rc;
1499         struct qeth_cmd_buffer *iob;
1500
1501         QETH_DBF_TEXT(trace,5,"issnxrd");
1502         if (card->read.state != CH_STATE_UP)
1503                 return -EIO;
1504         iob = qeth_get_buffer(&card->read);
1505         if (!iob) {
1506                 PRINT_WARN("issue_next_read failed: no iob available!\n");
1507                 return -ENOMEM;
1508         }
1509         qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1510         wait_event(card->wait_q,
1511                    atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0);
1512         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1513         rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1514                               (addr_t) iob, 0, 0);
1515         if (rc) {
1516                 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1517                 atomic_set(&card->read.irq_pending, 0);
1518                 qeth_schedule_recovery(card);
1519                 wake_up(&card->wait_q);
1520         }
1521         return rc;
1522 }
1523
1524 static struct qeth_reply *
1525 qeth_alloc_reply(struct qeth_card *card)
1526 {
1527         struct qeth_reply *reply;
1528
1529         reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1530         if (reply){
1531                 memset(reply, 0, sizeof(struct qeth_reply));
1532                 atomic_set(&reply->refcnt, 1);
1533                 reply->card = card;
1534         };
1535         return reply;
1536 }
1537
1538 static void
1539 qeth_get_reply(struct qeth_reply *reply)
1540 {
1541         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1542         atomic_inc(&reply->refcnt);
1543 }
1544
1545 static void
1546 qeth_put_reply(struct qeth_reply *reply)
1547 {
1548         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1549         if (atomic_dec_and_test(&reply->refcnt))
1550                 kfree(reply);
1551 }
1552
1553 static void
1554 qeth_cmd_timeout(unsigned long data)
1555 {
1556         struct qeth_reply *reply, *list_reply, *r;
1557         unsigned long flags;
1558
1559         reply = (struct qeth_reply *) data;
1560         spin_lock_irqsave(&reply->card->lock, flags);
1561         list_for_each_entry_safe(list_reply, r,
1562                                  &reply->card->cmd_waiter_list, list) {
1563                 if (reply == list_reply){
1564                         qeth_get_reply(reply);
1565                         list_del_init(&reply->list);
1566                         spin_unlock_irqrestore(&reply->card->lock, flags);
1567                         reply->rc = -ETIME;
1568                         reply->received = 1;
1569                         wake_up(&reply->wait_q);
1570                         qeth_put_reply(reply);
1571                         return;
1572                 }
1573         }
1574         spin_unlock_irqrestore(&reply->card->lock, flags);
1575 }
1576
1577 static void
1578 qeth_reset_ip_addresses(struct qeth_card *card)
1579 {
1580         QETH_DBF_TEXT(trace, 2, "rstipadd");
1581
1582         qeth_clear_ip_list(card, 0, 1);
1583         /* this function will also schedule the SET_IP_THREAD */
1584         qeth_set_multicast_list(card->dev);
1585 }
1586
1587 static struct qeth_ipa_cmd *
1588 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1589 {
1590         struct qeth_ipa_cmd *cmd = NULL;
1591
1592         QETH_DBF_TEXT(trace,5,"chkipad");
1593         if (IS_IPA(iob->data)){
1594                 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1595                 if (IS_IPA_REPLY(cmd))
1596                         return cmd;
1597                 else {
1598                         switch (cmd->hdr.command) {
1599                         case IPA_CMD_STOPLAN:
1600                                 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1601                                            "there is a network problem or "
1602                                            "someone pulled the cable or "
1603                                            "disabled the port.\n",
1604                                            card->info.if_name,
1605                                            card->info.chpid);
1606                                 card->lan_online = 0;
1607                                 netif_carrier_off(card->dev);
1608                                 return NULL;
1609                         case IPA_CMD_STARTLAN:
1610                                 PRINT_INFO("Link reestablished on %s "
1611                                            "(CHPID 0x%X). Scheduling "
1612                                            "IP address reset.\n",
1613                                            card->info.if_name,
1614                                            card->info.chpid);
1615                                 card->lan_online = 1;
1616                                 netif_carrier_on(card->dev);
1617                                 qeth_reset_ip_addresses(card);
1618                                 return NULL;
1619                         case IPA_CMD_REGISTER_LOCAL_ADDR:
1620                                 QETH_DBF_TEXT(trace,3, "irla");
1621                                 break;
1622                         case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1623                                 PRINT_WARN("probably problem on %s: "
1624                                            "received IPA command 0x%X\n",
1625                                            card->info.if_name,
1626                                            cmd->hdr.command);
1627                                 break;
1628                         default:
1629                                 PRINT_WARN("Received data is IPA "
1630                                            "but not a reply!\n");
1631                                 break;
1632                         }
1633                 }
1634         }
1635         return cmd;
1636 }
1637
1638 /**
1639  * wake all waiting ipa commands
1640  */
1641 static void
1642 qeth_clear_ipacmd_list(struct qeth_card *card)
1643 {
1644         struct qeth_reply *reply, *r;
1645         unsigned long flags;
1646
1647         QETH_DBF_TEXT(trace, 4, "clipalst");
1648
1649         spin_lock_irqsave(&card->lock, flags);
1650         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1651                 qeth_get_reply(reply);
1652                 reply->rc = -EIO;
1653                 reply->received = 1;
1654                 list_del_init(&reply->list);
1655                 wake_up(&reply->wait_q);
1656                 qeth_put_reply(reply);
1657         }
1658         spin_unlock_irqrestore(&card->lock, flags);
1659 }
1660
1661 static void
1662 qeth_send_control_data_cb(struct qeth_channel *channel,
1663                           struct qeth_cmd_buffer *iob)
1664 {
1665         struct qeth_card *card;
1666         struct qeth_reply *reply, *r;
1667         struct qeth_ipa_cmd *cmd;
1668         unsigned long flags;
1669         int keep_reply;
1670
1671         QETH_DBF_TEXT(trace,4,"sndctlcb");
1672
1673         card = CARD_FROM_CDEV(channel->ccwdev);
1674         if (qeth_check_idx_response(iob->data)) {
1675                 qeth_clear_ipacmd_list(card);
1676                 qeth_schedule_recovery(card);
1677                 goto out;
1678         }
1679
1680         cmd = qeth_check_ipa_data(card, iob);
1681         if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1682                 goto out;
1683
1684         spin_lock_irqsave(&card->lock, flags);
1685         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1686                 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1687                     ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1688                         qeth_get_reply(reply);
1689                         list_del_init(&reply->list);
1690                         spin_unlock_irqrestore(&card->lock, flags);
1691                         keep_reply = 0;
1692                         if (reply->callback != NULL) {
1693                                 if (cmd) {
1694                                         reply->offset = (__u16)((char*)cmd -
1695                                                                 (char *)iob->data);
1696                                         keep_reply = reply->callback(card,
1697                                                         reply,
1698                                                         (unsigned long)cmd);
1699                                 }
1700                                 else
1701                                         keep_reply = reply->callback(card,
1702                                                         reply,
1703                                                         (unsigned long)iob);
1704                         }
1705                         if (cmd)
1706                                 reply->rc = (s16) cmd->hdr.return_code;
1707                         else if (iob->rc)
1708                                 reply->rc = iob->rc;
1709                         if (keep_reply) {
1710                                 spin_lock_irqsave(&card->lock, flags);
1711                                 list_add_tail(&reply->list,
1712                                               &card->cmd_waiter_list);
1713                                 spin_unlock_irqrestore(&card->lock, flags);
1714                         } else {
1715                                 reply->received = 1;
1716                                 wake_up(&reply->wait_q);
1717                         }
1718                         qeth_put_reply(reply);
1719                         goto out;
1720                 }
1721         }
1722         spin_unlock_irqrestore(&card->lock, flags);
1723 out:
1724         memcpy(&card->seqno.pdu_hdr_ack,
1725                 QETH_PDU_HEADER_SEQ_NO(iob->data),
1726                 QETH_SEQ_NO_LENGTH);
1727         qeth_release_buffer(channel,iob);
1728 }
1729
1730 static int
1731 qeth_send_control_data(struct qeth_card *card, int len,
1732                        struct qeth_cmd_buffer *iob,
1733                        int (*reply_cb)
1734                        (struct qeth_card *, struct qeth_reply*, unsigned long),
1735                        void *reply_param)
1736
1737 {
1738         int rc;
1739         unsigned long flags;
1740         struct qeth_reply *reply;
1741         struct timer_list timer;
1742
1743         QETH_DBF_TEXT(trace, 2, "sendctl");
1744
1745         qeth_setup_ccw(&card->write,iob->data,len);
1746
1747         memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1748                &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1749         card->seqno.trans_hdr++;
1750
1751         memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1752                &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1753         card->seqno.pdu_hdr++;
1754         memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1755                &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1756         iob->callback = qeth_release_buffer;
1757
1758         reply = qeth_alloc_reply(card);
1759         if (!reply) {
1760                 PRINT_WARN("Could no alloc qeth_reply!\n");
1761                 return -ENOMEM;
1762         }
1763         reply->callback = reply_cb;
1764         reply->param = reply_param;
1765         if (card->state == CARD_STATE_DOWN)
1766                 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1767         else
1768                 reply->seqno = card->seqno.ipa++;
1769         init_timer(&timer);
1770         timer.function = qeth_cmd_timeout;
1771         timer.data = (unsigned long) reply;
1772         if (IS_IPA(iob->data))
1773                 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1774         else
1775                 timer.expires = jiffies + QETH_TIMEOUT;
1776         init_waitqueue_head(&reply->wait_q);
1777         spin_lock_irqsave(&card->lock, flags);
1778         list_add_tail(&reply->list, &card->cmd_waiter_list);
1779         spin_unlock_irqrestore(&card->lock, flags);
1780         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1781         wait_event(card->wait_q,
1782                    atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1783         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1784         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1785         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1786                               (addr_t) iob, 0, 0);
1787         spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1788         if (rc){
1789                 PRINT_WARN("qeth_send_control_data: "
1790                            "ccw_device_start rc = %i\n", rc);
1791                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1792                 spin_lock_irqsave(&card->lock, flags);
1793                 list_del_init(&reply->list);
1794                 qeth_put_reply(reply);
1795                 spin_unlock_irqrestore(&card->lock, flags);
1796                 qeth_release_buffer(iob->channel, iob);
1797                 atomic_set(&card->write.irq_pending, 0);
1798                 wake_up(&card->wait_q);
1799                 return rc;
1800         }
1801         add_timer(&timer);
1802         wait_event(reply->wait_q, reply->received);
1803         del_timer_sync(&timer);
1804         rc = reply->rc;
1805         qeth_put_reply(reply);
1806         return rc;
1807 }
1808
1809 static int
1810 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1811                   int (*reply_cb)
1812                   (struct qeth_card *,struct qeth_reply*, unsigned long),
1813                   void *reply_param)
1814 {
1815         int rc;
1816         char prot_type;
1817
1818         QETH_DBF_TEXT(trace,4,"sendipa");
1819
1820         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1821
1822         if (card->options.layer2)
1823                 prot_type = QETH_PROT_LAYER2;
1824         else
1825                 prot_type = QETH_PROT_TCPIP;
1826
1827         memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1828         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1829                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1830
1831         rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1832                                     reply_cb, reply_param);
1833         return rc;
1834 }
1835
1836
1837 static int
1838 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1839                   unsigned long data)
1840 {
1841         struct qeth_cmd_buffer *iob;
1842
1843         QETH_DBF_TEXT(setup, 2, "cmenblcb");
1844
1845         iob = (struct qeth_cmd_buffer *) data;
1846         memcpy(&card->token.cm_filter_r,
1847                QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
1848                QETH_MPC_TOKEN_LENGTH);
1849         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1850         return 0;
1851 }
1852
1853 static int
1854 qeth_cm_enable(struct qeth_card *card)
1855 {
1856         int rc;
1857         struct qeth_cmd_buffer *iob;
1858
1859         QETH_DBF_TEXT(setup,2,"cmenable");
1860
1861         iob = qeth_wait_for_buffer(&card->write);
1862         memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
1863         memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
1864                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1865         memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
1866                &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
1867
1868         rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
1869                                     qeth_cm_enable_cb, NULL);
1870         return rc;
1871 }
1872
1873 static int
1874 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1875                  unsigned long data)
1876 {
1877
1878         struct qeth_cmd_buffer *iob;
1879
1880         QETH_DBF_TEXT(setup, 2, "cmsetpcb");
1881
1882         iob = (struct qeth_cmd_buffer *) data;
1883         memcpy(&card->token.cm_connection_r,
1884                QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
1885                QETH_MPC_TOKEN_LENGTH);
1886         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1887         return 0;
1888 }
1889
1890 static int
1891 qeth_cm_setup(struct qeth_card *card)
1892 {
1893         int rc;
1894         struct qeth_cmd_buffer *iob;
1895
1896         QETH_DBF_TEXT(setup,2,"cmsetup");
1897
1898         iob = qeth_wait_for_buffer(&card->write);
1899         memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
1900         memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
1901                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1902         memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
1903                &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
1904         memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
1905                &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
1906         rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
1907                                     qeth_cm_setup_cb, NULL);
1908         return rc;
1909
1910 }
1911
1912 static int
1913 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1914                    unsigned long data)
1915 {
1916
1917         __u16 mtu, framesize;
1918         __u16 len;
1919         __u8 link_type;
1920         struct qeth_cmd_buffer *iob;
1921
1922         QETH_DBF_TEXT(setup, 2, "ulpenacb");
1923
1924         iob = (struct qeth_cmd_buffer *) data;
1925         memcpy(&card->token.ulp_filter_r,
1926                QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
1927                QETH_MPC_TOKEN_LENGTH);
1928         if (qeth_get_mtu_out_of_mpc(card->info.type)) {
1929                 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
1930                 mtu = qeth_get_mtu_outof_framesize(framesize);
1931                 if (!mtu) {
1932                         iob->rc = -EINVAL;
1933                         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1934                         return 0;
1935                 }
1936                 card->info.max_mtu = mtu;
1937                 card->info.initial_mtu = mtu;
1938                 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
1939         } else {
1940                 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
1941                 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
1942                 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1943         }
1944
1945         memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
1946         if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
1947                 memcpy(&link_type,
1948                        QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
1949                 card->info.link_type = link_type;
1950         } else
1951                 card->info.link_type = 0;
1952         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1953         return 0;
1954 }
1955
1956 static int
1957 qeth_ulp_enable(struct qeth_card *card)
1958 {
1959         int rc;
1960         char prot_type;
1961         struct qeth_cmd_buffer *iob;
1962
1963         /*FIXME: trace view callbacks*/
1964         QETH_DBF_TEXT(setup,2,"ulpenabl");
1965
1966         iob = qeth_wait_for_buffer(&card->write);
1967         memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
1968
1969         *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
1970                 (__u8) card->info.portno;
1971         if (card->options.layer2)
1972                 prot_type = QETH_PROT_LAYER2;
1973         else
1974                 prot_type = QETH_PROT_TCPIP;
1975
1976         memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
1977         memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
1978                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
1979         memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
1980                &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
1981         memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
1982                card->info.portname, 9);
1983         rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
1984                                     qeth_ulp_enable_cb, NULL);
1985         return rc;
1986
1987 }
1988
1989 static inline __u16
1990 __raw_devno_from_bus_id(char *id)
1991 {
1992         id += (strlen(id) - 4);
1993         return (__u16) simple_strtoul(id, &id, 16);
1994 }
1995
1996 static int
1997 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1998                   unsigned long data)
1999 {
2000         struct qeth_cmd_buffer *iob;
2001
2002         QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2003
2004         iob = (struct qeth_cmd_buffer *) data;
2005         memcpy(&card->token.ulp_connection_r,
2006                QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2007                QETH_MPC_TOKEN_LENGTH);
2008         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2009         return 0;
2010 }
2011
2012 static int
2013 qeth_ulp_setup(struct qeth_card *card)
2014 {
2015         int rc;
2016         __u16 temp;
2017         struct qeth_cmd_buffer *iob;
2018
2019         QETH_DBF_TEXT(setup,2,"ulpsetup");
2020
2021         iob = qeth_wait_for_buffer(&card->write);
2022         memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2023
2024         memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2025                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2026         memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2027                &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2028         memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2029                &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2030
2031         temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2032         memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2033         temp = (card->info.cula << 8) + card->info.unit_addr2;
2034         memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2035         rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2036                                     qeth_ulp_setup_cb, NULL);
2037         return rc;
2038 }
2039
2040 static inline int
2041 qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf,
2042                              unsigned int qdio_error,
2043                              unsigned int siga_error)
2044 {
2045         int rc = 0;
2046
2047         if (qdio_error || siga_error) {
2048                 QETH_DBF_TEXT(trace, 2, "qdinerr");
2049                 QETH_DBF_TEXT(qerr, 2, "qdinerr");
2050                 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2051                                buf->buffer->element[15].flags & 0xff);
2052                 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2053                                buf->buffer->element[14].flags & 0xff);
2054                 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2055                 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2056                 rc = 1;
2057         }
2058         return rc;
2059 }
2060
2061 static inline struct sk_buff *
2062 qeth_get_skb(unsigned int length)
2063 {
2064         struct sk_buff* skb;
2065 #ifdef CONFIG_QETH_VLAN
2066         if ((skb = dev_alloc_skb(length + VLAN_HLEN)))
2067                 skb_reserve(skb, VLAN_HLEN);
2068 #else
2069         skb = dev_alloc_skb(length);
2070 #endif
2071         return skb;
2072 }
2073
2074 static inline struct sk_buff *
2075 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2076                   struct qdio_buffer_element **__element, int *__offset,
2077                   struct qeth_hdr **hdr)
2078 {
2079         struct qdio_buffer_element *element = *__element;
2080         int offset = *__offset;
2081         struct sk_buff *skb = NULL;
2082         int skb_len;
2083         void *data_ptr;
2084         int data_len;
2085
2086         QETH_DBF_TEXT(trace,6,"nextskb");
2087         /* qeth_hdr must not cross element boundaries */
2088         if (element->length < offset + sizeof(struct qeth_hdr)){
2089                 if (qeth_is_last_sbale(element))
2090                         return NULL;
2091                 element++;
2092                 offset = 0;
2093                 if (element->length < sizeof(struct qeth_hdr))
2094                         return NULL;
2095         }
2096         *hdr = element->addr + offset;
2097
2098         offset += sizeof(struct qeth_hdr);
2099         if (card->options.layer2)
2100                 skb_len = (*hdr)->hdr.l2.pkt_length;
2101         else
2102                 skb_len = (*hdr)->hdr.l3.length;
2103
2104         if (!skb_len)
2105                 return NULL;
2106         if (card->options.fake_ll){
2107                 if (!(skb = qeth_get_skb(skb_len + QETH_FAKE_LL_LEN)))
2108                         goto no_mem;
2109                 skb_pull(skb, QETH_FAKE_LL_LEN);
2110         } else if (!(skb = qeth_get_skb(skb_len)))
2111                 goto no_mem;
2112         data_ptr = element->addr + offset;
2113         while (skb_len) {
2114                 data_len = min(skb_len, (int)(element->length - offset));
2115                 if (data_len)
2116                         memcpy(skb_put(skb, data_len), data_ptr, data_len);
2117                 skb_len -= data_len;
2118                 if (skb_len){
2119                         if (qeth_is_last_sbale(element)){
2120                                 QETH_DBF_TEXT(trace,4,"unexeob");
2121                                 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2122                                 QETH_DBF_TEXT(qerr,2,"unexeob");
2123                                 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2124                                 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2125                                 dev_kfree_skb_any(skb);
2126                                 card->stats.rx_errors++;
2127                                 return NULL;
2128                         }
2129                         element++;
2130                         offset = 0;
2131                         data_ptr = element->addr;
2132                 } else {
2133                         offset += data_len;
2134                 }
2135         }
2136         *__element = element;
2137         *__offset = offset;
2138         return skb;
2139 no_mem:
2140         if (net_ratelimit()){
2141                 PRINT_WARN("No memory for packet received on %s.\n",
2142                            card->info.if_name);
2143                 QETH_DBF_TEXT(trace,2,"noskbmem");
2144                 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2145         }
2146         card->stats.rx_dropped++;
2147         return NULL;
2148 }
2149
2150 static inline unsigned short
2151 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2152 {
2153         struct qeth_card *card;
2154         struct ethhdr *eth;
2155
2156         QETH_DBF_TEXT(trace,6,"typtrans");
2157
2158         card = (struct qeth_card *)dev->priv;
2159 #ifdef CONFIG_TR
2160         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2161             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2162                 return tr_type_trans(skb,dev);
2163 #endif /* CONFIG_TR */
2164         skb->mac.raw = skb->data;
2165         skb_pull(skb, ETH_HLEN );
2166         eth = eth_hdr(skb);
2167
2168         if (*eth->h_dest & 1) {
2169                 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2170                         skb->pkt_type = PACKET_BROADCAST;
2171                 else
2172                         skb->pkt_type = PACKET_MULTICAST;
2173         } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2174                 skb->pkt_type = PACKET_OTHERHOST;
2175
2176         if (ntohs(eth->h_proto) >= 1536)
2177                 return eth->h_proto;
2178         if (*(unsigned short *) (skb->data) == 0xFFFF)
2179                 return htons(ETH_P_802_3);
2180         return htons(ETH_P_802_2);
2181 }
2182
2183 static inline void
2184 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2185                          struct qeth_hdr *hdr)
2186 {
2187         struct ethhdr *fake_hdr;
2188         struct iphdr *ip_hdr;
2189
2190         QETH_DBF_TEXT(trace,5,"skbfake");
2191         skb->mac.raw = skb->data - QETH_FAKE_LL_LEN;
2192         /* this is a fake ethernet header */
2193         fake_hdr = (struct ethhdr *) skb->mac.raw;
2194
2195         /* the destination MAC address */
2196         switch (skb->pkt_type){
2197         case PACKET_MULTICAST:
2198                 switch (skb->protocol){
2199 #ifdef CONFIG_QETH_IPV6
2200                 case __constant_htons(ETH_P_IPV6):
2201                         ndisc_mc_map((struct in6_addr *)
2202                                      skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2203                                      fake_hdr->h_dest, card->dev, 0);
2204                         break;
2205 #endif /* CONFIG_QETH_IPV6 */
2206                 case __constant_htons(ETH_P_IP):
2207                         ip_hdr = (struct iphdr *)skb->data;
2208                         if (card->dev->type == ARPHRD_IEEE802_TR)
2209                                 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2210                         else
2211                                 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2212                         break;
2213                 default:
2214                         memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2215                 }
2216                 break;
2217         case PACKET_BROADCAST:
2218                 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2219                 break;
2220         default:
2221                 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2222         }
2223         /* the source MAC address */
2224         if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2225                 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2226         else
2227                 memset(fake_hdr->h_source, 0, ETH_ALEN);
2228         /* the protocol */
2229         fake_hdr->h_proto = skb->protocol;
2230 }
2231
2232 static inline void
2233 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2234                       struct qeth_hdr *hdr)
2235 {
2236 #ifdef CONFIG_QETH_VLAN
2237         u16 *vlan_tag;
2238
2239         if (hdr->hdr.l3.ext_flags &
2240             (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2241                 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2242                 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2243                         hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2244                 *(vlan_tag + 1) = skb->protocol;
2245                 skb->protocol = __constant_htons(ETH_P_8021Q);
2246         }
2247 #endif /* CONFIG_QETH_VLAN */
2248 }
2249
2250 static inline __u16
2251 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2252                         struct qeth_hdr *hdr)
2253 {
2254         unsigned short vlan_id = 0;
2255
2256         skb->pkt_type = PACKET_HOST;
2257         if (card->options.checksum_type == NO_CHECKSUMMING)
2258                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2259         else
2260                 skb->ip_summed = CHECKSUM_NONE;
2261 #ifdef CONFIG_QETH_VLAN
2262         if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2263                 skb_pull(skb, VLAN_HLEN);
2264                 vlan_id = hdr->hdr.l2.vlan_id;
2265         }
2266 #endif
2267         skb->protocol = qeth_type_trans(skb, skb->dev);
2268         return vlan_id;
2269 }
2270
2271 static inline void
2272 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2273                  struct qeth_hdr *hdr)
2274 {
2275 #ifdef CONFIG_QETH_IPV6
2276         if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2277                 skb->pkt_type = PACKET_HOST;
2278                 skb->protocol = qeth_type_trans(skb, card->dev);
2279                 return;
2280         }
2281 #endif /* CONFIG_QETH_IPV6 */
2282         skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2283                               ETH_P_IP);
2284         switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2285         case QETH_CAST_UNICAST:
2286                 skb->pkt_type = PACKET_HOST;
2287                 break;
2288         case QETH_CAST_MULTICAST:
2289                 skb->pkt_type = PACKET_MULTICAST;
2290                 card->stats.multicast++;
2291                 break;
2292         case QETH_CAST_BROADCAST:
2293                 skb->pkt_type = PACKET_BROADCAST;
2294                 card->stats.multicast++;
2295                 break;
2296         case QETH_CAST_ANYCAST:
2297         case QETH_CAST_NOCAST:
2298         default:
2299                 skb->pkt_type = PACKET_HOST;
2300         }
2301         qeth_rebuild_skb_vlan(card, skb, hdr);
2302         if (card->options.fake_ll)
2303                 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2304         else
2305                 skb->mac.raw = skb->data;
2306         skb->ip_summed = card->options.checksum_type;
2307         if (card->options.checksum_type == HW_CHECKSUMMING){
2308                 if ( (hdr->hdr.l3.ext_flags &
2309                       (QETH_HDR_EXT_CSUM_HDR_REQ |
2310                        QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2311                      (QETH_HDR_EXT_CSUM_HDR_REQ |
2312                       QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2313                         skb->ip_summed = CHECKSUM_UNNECESSARY;
2314                 else
2315                         skb->ip_summed = SW_CHECKSUMMING;
2316         }
2317 }
2318
2319 static inline void
2320 qeth_process_inbound_buffer(struct qeth_card *card,
2321                             struct qeth_qdio_buffer *buf, int index)
2322 {
2323         struct qdio_buffer_element *element;
2324         struct sk_buff *skb;
2325         struct qeth_hdr *hdr;
2326         int offset;
2327         int rxrc;
2328         __u16 vlan_tag = 0;
2329
2330         /* get first element of current buffer */
2331         element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2332         offset = 0;
2333 #ifdef CONFIG_QETH_PERF_STATS
2334         card->perf_stats.bufs_rec++;
2335 #endif
2336         while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2337                                        &offset, &hdr))) {
2338                 skb->dev = card->dev;
2339                 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2340                         vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2341                 else
2342                         qeth_rebuild_skb(card, skb, hdr);
2343                 /* is device UP ? */
2344                 if (!(card->dev->flags & IFF_UP)){
2345                         dev_kfree_skb_any(skb);
2346                         continue;
2347                 }
2348 #ifdef CONFIG_QETH_VLAN
2349                 if (vlan_tag)
2350                         vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2351                 else
2352 #endif
2353                 rxrc = netif_rx(skb);
2354                 card->dev->last_rx = jiffies;
2355                 card->stats.rx_packets++;
2356                 card->stats.rx_bytes += skb->len;
2357         }
2358 }
2359
2360 static inline struct qeth_buffer_pool_entry *
2361 qeth_get_buffer_pool_entry(struct qeth_card *card)
2362 {
2363         struct qeth_buffer_pool_entry *entry;
2364
2365         QETH_DBF_TEXT(trace, 6, "gtbfplen");
2366         if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2367                 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2368                                 struct qeth_buffer_pool_entry, list);
2369                 list_del_init(&entry->list);
2370                 return entry;
2371         }
2372         return NULL;
2373 }
2374
2375 static inline void
2376 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2377 {
2378         struct qeth_buffer_pool_entry *pool_entry;
2379         int i;
2380
2381         pool_entry = qeth_get_buffer_pool_entry(card);
2382         /*
2383          * since the buffer is accessed only from the input_tasklet
2384          * there shouldn't be a need to synchronize; also, since we use
2385          * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run  out off
2386          * buffers
2387          */
2388         BUG_ON(!pool_entry);
2389
2390         buf->pool_entry = pool_entry;
2391         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2392                 buf->buffer->element[i].length = PAGE_SIZE;
2393                 buf->buffer->element[i].addr =  pool_entry->elements[i];
2394                 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2395                         buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2396                 else
2397                         buf->buffer->element[i].flags = 0;
2398         }
2399         buf->state = QETH_QDIO_BUF_EMPTY;
2400 }
2401
2402 static inline void
2403 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2404                          struct qeth_qdio_out_buffer *buf)
2405 {
2406         int i;
2407         struct sk_buff *skb;
2408
2409         /* is PCI flag set on buffer? */
2410         if (buf->buffer->element[0].flags & 0x40)
2411                 atomic_dec(&queue->set_pci_flags_count);
2412
2413         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2414                 buf->buffer->element[i].length = 0;
2415                 buf->buffer->element[i].addr = NULL;
2416                 buf->buffer->element[i].flags = 0;
2417                 while ((skb = skb_dequeue(&buf->skb_list))){
2418                         atomic_dec(&skb->users);
2419                         dev_kfree_skb_any(skb);
2420                 }
2421         }
2422         buf->next_element_to_fill = 0;
2423         atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2424 }
2425
2426 static inline void
2427 qeth_queue_input_buffer(struct qeth_card *card, int index)
2428 {
2429         struct qeth_qdio_q *queue = card->qdio.in_q;
2430         int count;
2431         int i;
2432         int rc;
2433
2434         QETH_DBF_TEXT(trace,6,"queinbuf");
2435         count = (index < queue->next_buf_to_init)?
2436                 card->qdio.in_buf_pool.buf_count -
2437                 (queue->next_buf_to_init - index) :
2438                 card->qdio.in_buf_pool.buf_count -
2439                 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2440         /* only requeue at a certain threshold to avoid SIGAs */
2441         if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2442                 for (i = queue->next_buf_to_init;
2443                      i < queue->next_buf_to_init + count; ++i)
2444                         qeth_init_input_buffer(card,
2445                                 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2446                 /*
2447                  * according to old code it should be avoided to requeue all
2448                  * 128 buffers in order to benefit from PCI avoidance.
2449                  * this function keeps at least one buffer (the buffer at
2450                  * 'index') un-requeued -> this buffer is the first buffer that
2451                  * will be requeued the next time
2452                  */
2453 #ifdef CONFIG_QETH_PERF_STATS
2454                 card->perf_stats.inbound_do_qdio_cnt++;
2455                 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2456 #endif
2457                 rc = do_QDIO(CARD_DDEV(card),
2458                              QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2459                              0, queue->next_buf_to_init, count, NULL);
2460 #ifdef CONFIG_QETH_PERF_STATS
2461                 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2462                         card->perf_stats.inbound_do_qdio_start_time;
2463 #endif
2464                 if (rc){
2465                         PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2466                                    "return %i (device %s).\n",
2467                                    rc, CARD_DDEV_ID(card));
2468                         QETH_DBF_TEXT(trace,2,"qinberr");
2469                         QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2470                 }
2471                 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2472                                           QDIO_MAX_BUFFERS_PER_Q;
2473         }
2474 }
2475
2476 static inline void
2477 qeth_put_buffer_pool_entry(struct qeth_card *card,
2478                            struct qeth_buffer_pool_entry *entry)
2479 {
2480         QETH_DBF_TEXT(trace, 6, "ptbfplen");
2481         list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2482 }
2483
2484 static void
2485 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2486                         unsigned int qdio_err, unsigned int siga_err,
2487                         unsigned int queue, int first_element, int count,
2488                         unsigned long card_ptr)
2489 {
2490         struct net_device *net_dev;
2491         struct qeth_card *card;
2492         struct qeth_qdio_buffer *buffer;
2493         int index;
2494         int i;
2495
2496         QETH_DBF_TEXT(trace, 6, "qdinput");
2497         card = (struct qeth_card *) card_ptr;
2498         net_dev = card->dev;
2499 #ifdef CONFIG_QETH_PERF_STATS
2500         card->perf_stats.inbound_cnt++;
2501         card->perf_stats.inbound_start_time = qeth_get_micros();
2502 #endif
2503         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2504                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2505                         QETH_DBF_TEXT(trace, 1,"qdinchk");
2506                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2507                         QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2508                         QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2509                         qeth_schedule_recovery(card);
2510                         return;
2511                 }
2512         }
2513         for (i = first_element; i < (first_element + count); ++i) {
2514                 index = i % QDIO_MAX_BUFFERS_PER_Q;
2515                 buffer = &card->qdio.in_q->bufs[index];
2516                 if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) &&
2517                       qeth_check_for_inbound_error(buffer, qdio_err, siga_err)))
2518                         qeth_process_inbound_buffer(card, buffer, index);
2519                 /* clear buffer and give back to hardware */
2520                 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2521                 qeth_queue_input_buffer(card, index);
2522         }
2523 #ifdef CONFIG_QETH_PERF_STATS
2524         card->perf_stats.inbound_time += qeth_get_micros() -
2525                 card->perf_stats.inbound_start_time;
2526 #endif
2527 }
2528
2529 static inline int
2530 qeth_handle_send_error(struct qeth_card *card,
2531                        struct qeth_qdio_out_buffer *buffer,
2532                        int qdio_err, int siga_err)
2533 {
2534         int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2535         int cc = siga_err & 3;
2536
2537         QETH_DBF_TEXT(trace, 6, "hdsnderr");
2538         switch (cc) {
2539         case 0:
2540                 if (qdio_err){
2541                         QETH_DBF_TEXT(trace, 1,"lnkfail");
2542                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2543                         QETH_DBF_TEXT_(trace,1,"%04x %02x",
2544                                        (u16)qdio_err, (u8)sbalf15);
2545                         return QETH_SEND_ERROR_LINK_FAILURE;
2546                 }
2547                 return QETH_SEND_ERROR_NONE;
2548         case 2:
2549                 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2550                         QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2551                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2552                         return QETH_SEND_ERROR_KICK_IT;
2553                 }
2554                 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2555                         return QETH_SEND_ERROR_RETRY;
2556                 return QETH_SEND_ERROR_LINK_FAILURE;
2557                 /* look at qdio_error and sbalf 15 */
2558         case 1:
2559                 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2560                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2561                 return QETH_SEND_ERROR_LINK_FAILURE;
2562         case 3:
2563                 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2564                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2565                 return QETH_SEND_ERROR_KICK_IT;
2566         }
2567         return QETH_SEND_ERROR_LINK_FAILURE;
2568 }
2569
2570 static inline void
2571 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2572                    int index, int count)
2573 {
2574         struct qeth_qdio_out_buffer *buf;
2575         int rc;
2576         int i;
2577
2578         QETH_DBF_TEXT(trace, 6, "flushbuf");
2579
2580         for (i = index; i < index + count; ++i) {
2581                 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2582                 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2583                                 SBAL_FLAGS_LAST_ENTRY;
2584
2585                 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2586                         continue;
2587
2588                 if (!queue->do_pack){
2589                         if ((atomic_read(&queue->used_buffers) >=
2590                                 (QETH_HIGH_WATERMARK_PACK -
2591                                  QETH_WATERMARK_PACK_FUZZ)) &&
2592                             !atomic_read(&queue->set_pci_flags_count)){
2593                                 /* it's likely that we'll go to packing
2594                                  * mode soon */
2595                                 atomic_inc(&queue->set_pci_flags_count);
2596                                 buf->buffer->element[0].flags |= 0x40;
2597                         }
2598                 } else {
2599                         if (!atomic_read(&queue->set_pci_flags_count)){
2600                                 /*
2601                                  * there's no outstanding PCI any more, so we
2602                                  * have to request a PCI to be sure the the PCI
2603                                  * will wake at some time in the future then we
2604                                  * can flush packed buffers that might still be
2605                                  * hanging around, which can happen if no
2606                                  * further send was requested by the stack
2607                                  */
2608                                 atomic_inc(&queue->set_pci_flags_count);
2609                                 buf->buffer->element[0].flags |= 0x40;
2610                         }
2611 #ifdef CONFIG_QETH_PERF_STATS
2612                         queue->card->perf_stats.bufs_sent_pack++;
2613 #endif
2614                 }
2615         }
2616
2617         queue->card->dev->trans_start = jiffies;
2618 #ifdef CONFIG_QETH_PERF_STATS
2619         queue->card->perf_stats.outbound_do_qdio_cnt++;
2620         queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2621 #endif
2622         if (under_int)
2623                 rc = do_QDIO(CARD_DDEV(queue->card),
2624                              QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2625                              queue->queue_no, index, count, NULL);
2626         else
2627                 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2628                              queue->queue_no, index, count, NULL);
2629 #ifdef CONFIG_QETH_PERF_STATS
2630         queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2631                 queue->card->perf_stats.outbound_do_qdio_start_time;
2632 #endif
2633         if (rc){
2634                 QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO "
2635                                  "returned error (%i) on device %s.",
2636                                  rc, CARD_DDEV_ID(queue->card));
2637                 QETH_DBF_TEXT(trace, 2, "flushbuf");
2638                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2639                 queue->card->stats.tx_errors += count;
2640                 /* this must not happen under normal circumstances. if it
2641                  * happens something is really wrong -> recover */
2642                 qeth_schedule_recovery(queue->card);
2643                 return;
2644         }
2645         atomic_add(count, &queue->used_buffers);
2646 #ifdef CONFIG_QETH_PERF_STATS
2647         queue->card->perf_stats.bufs_sent += count;
2648 #endif
2649 }
2650
2651 /*
2652  * Switched to packing state if the number of used buffers on a queue
2653  * reaches a certain limit.
2654  */
2655 static inline void
2656 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2657 {
2658         if (!queue->do_pack) {
2659                 if (atomic_read(&queue->used_buffers)
2660                     >= QETH_HIGH_WATERMARK_PACK){
2661                         /* switch non-PACKING -> PACKING */
2662                         QETH_DBF_TEXT(trace, 6, "np->pack");
2663 #ifdef CONFIG_QETH_PERF_STATS
2664                         queue->card->perf_stats.sc_dp_p++;
2665 #endif
2666                         queue->do_pack = 1;
2667                 }
2668         }
2669 }
2670
2671 /*
2672  * Switches from packing to non-packing mode. If there is a packing
2673  * buffer on the queue this buffer will be prepared to be flushed.
2674  * In that case 1 is returned to inform the caller. If no buffer
2675  * has to be flushed, zero is returned.
2676  */
2677 static inline int
2678 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2679 {
2680         struct qeth_qdio_out_buffer *buffer;
2681         int flush_count = 0;
2682
2683         if (queue->do_pack) {
2684                 if (atomic_read(&queue->used_buffers)
2685                     <= QETH_LOW_WATERMARK_PACK) {
2686                         /* switch PACKING -> non-PACKING */
2687                         QETH_DBF_TEXT(trace, 6, "pack->np");
2688 #ifdef CONFIG_QETH_PERF_STATS
2689                         queue->card->perf_stats.sc_p_dp++;
2690 #endif
2691                         queue->do_pack = 0;
2692                         /* flush packing buffers */
2693                         buffer = &queue->bufs[queue->next_buf_to_fill];
2694                         if ((atomic_read(&buffer->state) ==
2695                                                 QETH_QDIO_BUF_EMPTY) &&
2696                             (buffer->next_element_to_fill > 0)) {
2697                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2698                                 flush_count++;
2699                                 queue->next_buf_to_fill =
2700                                         (queue->next_buf_to_fill + 1) %
2701                                         QDIO_MAX_BUFFERS_PER_Q;
2702                         }
2703                 }
2704         }
2705         return flush_count;
2706 }
2707
2708 /*
2709  * Called to flush a packing buffer if no more pci flags are on the queue.
2710  * Checks if there is a packing buffer and prepares it to be flushed.
2711  * In that case returns 1, otherwise zero.
2712  */
2713 static inline int
2714 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2715 {
2716         struct qeth_qdio_out_buffer *buffer;
2717
2718         buffer = &queue->bufs[queue->next_buf_to_fill];
2719         if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2720            (buffer->next_element_to_fill > 0)){
2721                 /* it's a packing buffer */
2722                 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2723                 queue->next_buf_to_fill =
2724                         (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2725                 return 1;
2726         }
2727         return 0;
2728 }
2729
2730 static inline void
2731 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2732 {
2733         int index;
2734         int flush_cnt = 0;
2735
2736         /*
2737          * check if weed have to switch to non-packing mode or if
2738          * we have to get a pci flag out on the queue
2739          */
2740         if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2741             !atomic_read(&queue->set_pci_flags_count)){
2742                 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2743                                 QETH_OUT_Q_UNLOCKED) {
2744                         /*
2745                          * If we get in here, there was no action in
2746                          * do_send_packet. So, we check if there is a
2747                          * packing buffer to be flushed here.
2748                          */
2749                         /* TODO: try if we get a performance improvement
2750                          * by calling netif_stop_queue here */
2751                         /* save start index for flushing */
2752                         index = queue->next_buf_to_fill;
2753                         flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
2754                         if (!flush_cnt &&
2755                             !atomic_read(&queue->set_pci_flags_count))
2756                                 flush_cnt +=
2757                                         qeth_flush_buffers_on_no_pci(queue);
2758                         /* were done with updating critical queue members */
2759                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
2760                         /* flushing can be done outside the lock */
2761                         if (flush_cnt)
2762                                 qeth_flush_buffers(queue, 1, index, flush_cnt);
2763                 }
2764         }
2765 }
2766
2767 static void
2768 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
2769                         unsigned int qdio_error, unsigned int siga_error,
2770                         unsigned int __queue, int first_element, int count,
2771                         unsigned long card_ptr)
2772 {
2773         struct qeth_card *card        = (struct qeth_card *) card_ptr;
2774         struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
2775         struct qeth_qdio_out_buffer *buffer;
2776         int i;
2777
2778         QETH_DBF_TEXT(trace, 6, "qdouhdl");
2779         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2780                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2781                         QETH_DBF_SPRINTF(trace, 2, "On device %s: "
2782                                          "received active check "
2783                                          "condition (0x%08x).",
2784                                          CARD_BUS_ID(card), status);
2785                         QETH_DBF_TEXT(trace, 2, "chkcond");
2786                         QETH_DBF_TEXT_(trace, 2, "%08x", status);
2787                         netif_stop_queue(card->dev);
2788                         qeth_schedule_recovery(card);
2789                         return;
2790                 }
2791         }
2792
2793 #ifdef CONFIG_QETH_PERF_STATS
2794         card->perf_stats.outbound_handler_cnt++;
2795         card->perf_stats.outbound_handler_start_time = qeth_get_micros();
2796 #endif
2797         for(i = first_element; i < (first_element + count); ++i){
2798                 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2799                 /*we only handle the KICK_IT error by doing a recovery */
2800                 if (qeth_handle_send_error(card, buffer, qdio_error, siga_error)
2801                                 == QETH_SEND_ERROR_KICK_IT){
2802                         netif_stop_queue(card->dev);
2803                         qeth_schedule_recovery(card);
2804                         return;
2805                 }
2806                 qeth_clear_output_buffer(queue, buffer);
2807         }
2808         atomic_sub(count, &queue->used_buffers);
2809         /* check if we need to do something on this outbound queue */
2810         if (card->info.type != QETH_CARD_TYPE_IQD)
2811                 qeth_check_outbound_queue(queue);
2812
2813         netif_wake_queue(card->dev);
2814 #ifdef CONFIG_QETH_PERF_STATS
2815         card->perf_stats.outbound_handler_time += qeth_get_micros() -
2816                 card->perf_stats.outbound_handler_start_time;
2817 #endif
2818 }
2819
2820 static char*
2821 qeth_create_qib_param_field(struct qeth_card *card)
2822 {
2823         char *param_field;
2824
2825         param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
2826                               GFP_KERNEL);
2827         if (!param_field)
2828                 return NULL;
2829
2830         memset(param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
2831
2832         param_field[0] = _ascebc['P'];
2833         param_field[1] = _ascebc['C'];
2834         param_field[2] = _ascebc['I'];
2835         param_field[3] = _ascebc['T'];
2836         *((unsigned int *) (&param_field[4])) = QETH_PCI_THRESHOLD_A(card);
2837         *((unsigned int *) (&param_field[8])) = QETH_PCI_THRESHOLD_B(card);
2838         *((unsigned int *) (&param_field[12])) = QETH_PCI_TIMER_VALUE(card);
2839
2840         return param_field;
2841 }
2842
2843 static void
2844 qeth_initialize_working_pool_list(struct qeth_card *card)
2845 {
2846         struct qeth_buffer_pool_entry *entry;
2847
2848         QETH_DBF_TEXT(trace,5,"inwrklst");
2849
2850         list_for_each_entry(entry,
2851                             &card->qdio.init_pool.entry_list, init_list) {
2852                 qeth_put_buffer_pool_entry(card,entry);
2853         }
2854 }
2855
2856 static void
2857 qeth_clear_working_pool_list(struct qeth_card *card)
2858 {
2859         struct qeth_buffer_pool_entry *pool_entry, *tmp;
2860
2861         QETH_DBF_TEXT(trace,5,"clwrklst");
2862         list_for_each_entry_safe(pool_entry, tmp,
2863                             &card->qdio.in_buf_pool.entry_list, list){
2864                         list_del(&pool_entry->list);
2865         }
2866 }
2867
2868 static void
2869 qeth_free_buffer_pool(struct qeth_card *card)
2870 {
2871         struct qeth_buffer_pool_entry *pool_entry, *tmp;
2872         int i=0;
2873         QETH_DBF_TEXT(trace,5,"freepool");
2874         list_for_each_entry_safe(pool_entry, tmp,
2875                                  &card->qdio.init_pool.entry_list, init_list){
2876                 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
2877                         free_page((unsigned long)pool_entry->elements[i]);
2878                 list_del(&pool_entry->init_list);
2879                 kfree(pool_entry);
2880         }
2881 }
2882
2883 static int
2884 qeth_alloc_buffer_pool(struct qeth_card *card)
2885 {
2886         struct qeth_buffer_pool_entry *pool_entry;
2887         void *ptr;
2888         int i, j;
2889
2890         QETH_DBF_TEXT(trace,5,"clwkpool");
2891         for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
2892                 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
2893                 if (!pool_entry){
2894                         qeth_free_buffer_pool(card);
2895                         return -ENOMEM;
2896                 }
2897                 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
2898                         ptr = (void *) __get_free_page(GFP_KERNEL);
2899                         if (!ptr) {
2900                                 while (j > 0)
2901                                         free_page((unsigned long)
2902                                                   pool_entry->elements[--j]);
2903                                 kfree(pool_entry);
2904                                 qeth_free_buffer_pool(card);
2905                                 return -ENOMEM;
2906                         }
2907                         pool_entry->elements[j] = ptr;
2908                 }
2909                 list_add(&pool_entry->init_list,
2910                          &card->qdio.init_pool.entry_list);
2911         }
2912         return 0;
2913 }
2914
2915 int
2916 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
2917 {
2918         QETH_DBF_TEXT(trace, 2, "realcbp");
2919
2920         if ((card->state != CARD_STATE_DOWN) &&
2921             (card->state != CARD_STATE_RECOVER))
2922                 return -EPERM;
2923
2924         /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
2925         qeth_clear_working_pool_list(card);
2926         qeth_free_buffer_pool(card);
2927         card->qdio.in_buf_pool.buf_count = bufcnt;
2928         card->qdio.init_pool.buf_count = bufcnt;
2929         return qeth_alloc_buffer_pool(card);
2930 }
2931
2932 static int
2933 qeth_alloc_qdio_buffers(struct qeth_card *card)
2934 {
2935         int i, j;
2936
2937         QETH_DBF_TEXT(setup, 2, "allcqdbf");
2938
2939         if (card->qdio.state == QETH_QDIO_ALLOCATED)
2940                 return 0;
2941
2942         card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
2943         if (!card->qdio.in_q)
2944                 return - ENOMEM;
2945         QETH_DBF_TEXT(setup, 2, "inq");
2946         QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
2947         memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2948         /* give inbound qeth_qdio_buffers their qdio_buffers */
2949         for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
2950                 card->qdio.in_q->bufs[i].buffer =
2951                         &card->qdio.in_q->qdio_bufs[i];
2952         /* inbound buffer pool */
2953         if (qeth_alloc_buffer_pool(card)){
2954                 kfree(card->qdio.in_q);
2955                 return -ENOMEM;
2956         }
2957         /* outbound */
2958         card->qdio.out_qs =
2959                 kmalloc(card->qdio.no_out_queues *
2960                         sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2961         if (!card->qdio.out_qs){
2962                 qeth_free_buffer_pool(card);
2963                 return -ENOMEM;
2964         }
2965         for (i = 0; i < card->qdio.no_out_queues; ++i){
2966                 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
2967                                                GFP_KERNEL);
2968                 if (!card->qdio.out_qs[i]){
2969                         while (i > 0)
2970                                 kfree(card->qdio.out_qs[--i]);
2971                         kfree(card->qdio.out_qs);
2972                         return -ENOMEM;
2973                 }
2974                 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
2975                 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
2976                 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
2977                 card->qdio.out_qs[i]->queue_no = i;
2978                 /* give inbound qeth_qdio_buffers their qdio_buffers */
2979                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
2980                         card->qdio.out_qs[i]->bufs[j].buffer =
2981                                 &card->qdio.out_qs[i]->qdio_bufs[j];
2982                         skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
2983                                             skb_list);
2984                 }
2985         }
2986         card->qdio.state = QETH_QDIO_ALLOCATED;
2987         return 0;
2988 }
2989
2990 static void
2991 qeth_free_qdio_buffers(struct qeth_card *card)
2992 {
2993         int i, j;
2994
2995         QETH_DBF_TEXT(trace, 2, "freeqdbf");
2996         if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
2997                 return;
2998         kfree(card->qdio.in_q);
2999         /* inbound buffer pool */
3000         qeth_free_buffer_pool(card);
3001         /* free outbound qdio_qs */
3002         for (i = 0; i < card->qdio.no_out_queues; ++i){
3003                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3004                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3005                                         &card->qdio.out_qs[i]->bufs[j]);
3006                 kfree(card->qdio.out_qs[i]);
3007         }
3008         kfree(card->qdio.out_qs);
3009         card->qdio.state = QETH_QDIO_UNINITIALIZED;
3010 }
3011
3012 static void
3013 qeth_clear_qdio_buffers(struct qeth_card *card)
3014 {
3015         int i, j;
3016
3017         QETH_DBF_TEXT(trace, 2, "clearqdbf");
3018         /* clear outbound buffers to free skbs */
3019         for (i = 0; i < card->qdio.no_out_queues; ++i)
3020                 if (card->qdio.out_qs[i]){
3021                         for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3022                                 qeth_clear_output_buffer(card->qdio.out_qs[i],
3023                                                 &card->qdio.out_qs[i]->bufs[j]);
3024                 }
3025 }
3026
3027 static void
3028 qeth_init_qdio_info(struct qeth_card *card)
3029 {
3030         QETH_DBF_TEXT(setup, 4, "intqdinf");
3031         card->qdio.state = QETH_QDIO_UNINITIALIZED;
3032         /* inbound */
3033         card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3034         card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3035         card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3036         INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3037         INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3038         /* outbound */
3039         card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
3040         card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
3041 }
3042
3043 static int
3044 qeth_init_qdio_queues(struct qeth_card *card)
3045 {
3046         int i, j;
3047         int rc;
3048
3049         QETH_DBF_TEXT(setup, 2, "initqdqs");
3050
3051         /* inbound queue */
3052         memset(card->qdio.in_q->qdio_bufs, 0,
3053                QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3054         qeth_initialize_working_pool_list(card);
3055         /*give only as many buffers to hardware as we have buffer pool entries*/
3056         for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3057                 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3058         card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3059         rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3060                      card->qdio.in_buf_pool.buf_count - 1, NULL);
3061         if (rc) {
3062                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3063                 return rc;
3064         }
3065         rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3066         if (rc) {
3067                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3068                 return rc;
3069         }
3070         /* outbound queue */
3071         for (i = 0; i < card->qdio.no_out_queues; ++i){
3072                 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3073                        QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3074                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3075                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3076                                         &card->qdio.out_qs[i]->bufs[j]);
3077                 }
3078                 card->qdio.out_qs[i]->card = card;
3079                 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3080                 card->qdio.out_qs[i]->do_pack = 0;
3081                 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3082                 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3083                 atomic_set(&card->qdio.out_qs[i]->state,
3084                            QETH_OUT_Q_UNLOCKED);
3085         }
3086         return 0;
3087 }
3088
3089 static int
3090 qeth_qdio_establish(struct qeth_card *card)
3091 {
3092         struct qdio_initialize init_data;
3093         char *qib_param_field;
3094         struct qdio_buffer **in_sbal_ptrs;
3095         struct qdio_buffer **out_sbal_ptrs;
3096         int i, j, k;
3097         int rc;
3098
3099         QETH_DBF_TEXT(setup, 2, "qdioest");
3100         qib_param_field = qeth_create_qib_param_field(card);
3101         if (!qib_param_field)
3102                 return -ENOMEM;
3103
3104         in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3105                                GFP_KERNEL);
3106         if (!in_sbal_ptrs) {
3107                 kfree(qib_param_field);
3108                 return -ENOMEM;
3109         }
3110         for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3111                 in_sbal_ptrs[i] = (struct qdio_buffer *)
3112                         virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3113
3114         out_sbal_ptrs =
3115                 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3116                         sizeof(void *), GFP_KERNEL);
3117         if (!out_sbal_ptrs) {
3118                 kfree(in_sbal_ptrs);
3119                 kfree(qib_param_field);
3120                 return -ENOMEM;
3121         }
3122         for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3123                 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3124                         out_sbal_ptrs[k] = (struct qdio_buffer *)
3125                                 virt_to_phys(card->qdio.out_qs[i]->
3126                                              bufs[j].buffer);
3127                 }
3128
3129         memset(&init_data, 0, sizeof(struct qdio_initialize));
3130         init_data.cdev                   = CARD_DDEV(card);
3131         init_data.q_format               = qeth_get_qdio_q_format(card);
3132         init_data.qib_param_field_format = 0;
3133         init_data.qib_param_field        = qib_param_field;
3134         init_data.min_input_threshold    = QETH_MIN_INPUT_THRESHOLD;
3135         init_data.max_input_threshold    = QETH_MAX_INPUT_THRESHOLD;
3136         init_data.min_output_threshold   = QETH_MIN_OUTPUT_THRESHOLD;
3137         init_data.max_output_threshold   = QETH_MAX_OUTPUT_THRESHOLD;
3138         init_data.no_input_qs            = 1;
3139         init_data.no_output_qs           = card->qdio.no_out_queues;
3140         init_data.input_handler          = (qdio_handler_t *)
3141                                            qeth_qdio_input_handler;
3142         init_data.output_handler         = (qdio_handler_t *)
3143                                            qeth_qdio_output_handler;
3144         init_data.int_parm               = (unsigned long) card;
3145         init_data.flags                  = QDIO_INBOUND_0COPY_SBALS |
3146                                            QDIO_OUTBOUND_0COPY_SBALS |
3147                                            QDIO_USE_OUTBOUND_PCIS;
3148         init_data.input_sbal_addr_array  = (void **) in_sbal_ptrs;
3149         init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3150
3151         if (!(rc = qdio_initialize(&init_data)))
3152                 card->qdio.state = QETH_QDIO_ESTABLISHED;
3153
3154         kfree(out_sbal_ptrs);
3155         kfree(in_sbal_ptrs);
3156         kfree(qib_param_field);
3157         return rc;
3158 }
3159
3160 static int
3161 qeth_qdio_activate(struct qeth_card *card)
3162 {
3163         QETH_DBF_TEXT(setup,3,"qdioact");
3164         return qdio_activate(CARD_DDEV(card), 0);
3165 }
3166
3167 static int
3168 qeth_clear_channel(struct qeth_channel *channel)
3169 {
3170         unsigned long flags;
3171         struct qeth_card *card;
3172         int rc;
3173
3174         QETH_DBF_TEXT(trace,3,"clearch");
3175         card = CARD_FROM_CDEV(channel->ccwdev);
3176         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3177         rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3178         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3179
3180         if (rc)
3181                 return rc;
3182         rc = wait_event_interruptible_timeout(card->wait_q,
3183                         channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3184         if (rc == -ERESTARTSYS)
3185                 return rc;
3186         if (channel->state != CH_STATE_STOPPED)
3187                 return -ETIME;
3188         channel->state = CH_STATE_DOWN;
3189         return 0;
3190 }
3191
3192 static int
3193 qeth_halt_channel(struct qeth_channel *channel)
3194 {
3195         unsigned long flags;
3196         struct qeth_card *card;
3197         int rc;
3198
3199         QETH_DBF_TEXT(trace,3,"haltch");
3200         card = CARD_FROM_CDEV(channel->ccwdev);
3201         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3202         rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3203         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3204
3205         if (rc)
3206                 return rc;
3207         rc = wait_event_interruptible_timeout(card->wait_q,
3208                         channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3209         if (rc == -ERESTARTSYS)
3210                 return rc;
3211         if (channel->state != CH_STATE_HALTED)
3212                 return -ETIME;
3213         return 0;
3214 }
3215
3216 static int
3217 qeth_halt_channels(struct qeth_card *card)
3218 {
3219         int rc = 0;
3220
3221         QETH_DBF_TEXT(trace,3,"haltchs");
3222         if ((rc = qeth_halt_channel(&card->read)))
3223                 return rc;
3224         if ((rc = qeth_halt_channel(&card->write)))
3225                 return rc;
3226         return  qeth_halt_channel(&card->data);
3227 }
3228 static int
3229 qeth_clear_channels(struct qeth_card *card)
3230 {
3231         int rc = 0;
3232
3233         QETH_DBF_TEXT(trace,3,"clearchs");
3234         if ((rc = qeth_clear_channel(&card->read)))
3235                 return rc;
3236         if ((rc = qeth_clear_channel(&card->write)))
3237                 return rc;
3238         return  qeth_clear_channel(&card->data);
3239 }
3240
3241 static int
3242 qeth_clear_halt_card(struct qeth_card *card, int halt)
3243 {
3244         int rc = 0;
3245
3246         QETH_DBF_TEXT(trace,3,"clhacrd");
3247         QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3248
3249         if (halt)
3250                 rc = qeth_halt_channels(card);
3251         if (rc)
3252                 return rc;
3253         return qeth_clear_channels(card);
3254 }
3255
3256 static int
3257 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3258 {
3259         int rc = 0;
3260
3261         QETH_DBF_TEXT(trace,3,"qdioclr");
3262         if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3263                 qdio_cleanup(CARD_DDEV(card),
3264                              (card->info.type == QETH_CARD_TYPE_IQD) ?
3265                              QDIO_FLAG_CLEANUP_USING_HALT :
3266                              QDIO_FLAG_CLEANUP_USING_CLEAR);
3267                 card->qdio.state = QETH_QDIO_ALLOCATED;
3268         }
3269         rc = qeth_clear_halt_card(card, use_halt);
3270         card->state = CARD_STATE_DOWN;
3271         return rc;
3272 }
3273
3274 static int
3275 qeth_dm_act(struct qeth_card *card)
3276 {
3277         int rc;
3278         struct qeth_cmd_buffer *iob;
3279
3280         QETH_DBF_TEXT(setup,2,"dmact");
3281
3282         iob = qeth_wait_for_buffer(&card->write);
3283         memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3284
3285         memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3286                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3287         memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3288                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3289         rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3290         return rc;
3291 }
3292
3293 static int
3294 qeth_mpc_initialize(struct qeth_card *card)
3295 {
3296         int rc;
3297
3298         QETH_DBF_TEXT(setup,2,"mpcinit");
3299
3300         if ((rc = qeth_issue_next_read(card))){
3301                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3302                 return rc;
3303         }
3304         if ((rc = qeth_cm_enable(card))){
3305                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3306                 return rc;
3307         }
3308         if ((rc = qeth_cm_setup(card))){
3309                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3310                 return rc;
3311         }
3312         if ((rc = qeth_ulp_enable(card))){
3313                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3314                 return rc;
3315         }
3316         if ((rc = qeth_ulp_setup(card))){
3317                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3318                 return rc;
3319         }
3320         if ((rc = qeth_alloc_qdio_buffers(card))){
3321                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3322                 return rc;
3323         }
3324         if ((rc = qeth_qdio_establish(card))){
3325                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3326                 qeth_free_qdio_buffers(card);
3327                 goto out_qdio;
3328         }
3329         if ((rc = qeth_qdio_activate(card))){
3330                 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3331                 goto out_qdio;
3332         }
3333         if ((rc = qeth_dm_act(card))){
3334                 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3335                 goto out_qdio;
3336         }
3337
3338         return 0;
3339 out_qdio:
3340         qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE);
3341         return rc;
3342 }
3343
3344 static struct net_device *
3345 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3346 {
3347         struct net_device *dev = NULL;
3348
3349         switch (type) {
3350         case QETH_CARD_TYPE_OSAE:
3351                 switch (linktype) {
3352                 case QETH_LINK_TYPE_LANE_TR:
3353                 case QETH_LINK_TYPE_HSTR:
3354 #ifdef CONFIG_TR
3355                         dev = alloc_trdev(0);
3356 #endif /* CONFIG_TR */
3357                         break;
3358                 default:
3359                         dev = alloc_etherdev(0);
3360                 }
3361                 break;
3362         case QETH_CARD_TYPE_IQD:
3363                 dev = alloc_netdev(0, "hsi%d", ether_setup);
3364                 break;
3365         default:
3366                 dev = alloc_etherdev(0);
3367         }
3368         return dev;
3369 }
3370
3371 static inline int
3372 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3373
3374 static int
3375 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3376 {
3377         int rc;
3378         struct qeth_card *card;
3379
3380         QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3381         card = (struct qeth_card *)dev->priv;
3382         if (skb==NULL) {
3383                 card->stats.tx_dropped++;
3384                 card->stats.tx_errors++;
3385                 /* return OK; otherwise ksoftirqd goes to 100% */
3386                 return NETDEV_TX_OK;
3387         }
3388         if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3389                 card->stats.tx_dropped++;
3390                 card->stats.tx_errors++;
3391                 card->stats.tx_carrier_errors++;
3392                 dev_kfree_skb_any(skb);
3393                 /* return OK; otherwise ksoftirqd goes to 100% */
3394                 return NETDEV_TX_OK;
3395         }
3396 #ifdef CONFIG_QETH_PERF_STATS
3397         card->perf_stats.outbound_cnt++;
3398         card->perf_stats.outbound_start_time = qeth_get_micros();
3399 #endif
3400         /*
3401          * We only call netif_stop_queue in case of errors. Since we've
3402          * got our own synchronization on queues we can keep the stack's
3403          * queue running.
3404          */
3405         if ((rc = qeth_send_packet(card, skb))){
3406                 if (rc == -EBUSY) {
3407                         netif_stop_queue(dev);
3408                         rc = NETDEV_TX_BUSY;
3409                 } else {
3410                         card->stats.tx_errors++;
3411                         card->stats.tx_dropped++;
3412                         dev_kfree_skb_any(skb);
3413                         /* set to OK; otherwise ksoftirqd goes to 100% */
3414                         rc = NETDEV_TX_OK;
3415                 }
3416         }
3417
3418 #ifdef CONFIG_QETH_PERF_STATS
3419         card->perf_stats.outbound_time += qeth_get_micros() -
3420                 card->perf_stats.outbound_start_time;
3421 #endif
3422         return rc;
3423 }
3424
3425 static int
3426 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3427 {
3428         int rc = 0;
3429 #ifdef CONFIG_QETH_VLAN
3430         struct vlan_group *vg;
3431         int i;
3432
3433         if (!(vg = card->vlangrp))
3434                 return rc;
3435
3436         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3437                 if (vg->vlan_devices[i] == dev){
3438                         rc = QETH_VLAN_CARD;
3439                         break;
3440                 }
3441         }
3442 #endif
3443         return rc;
3444 }
3445
3446 static int
3447 qeth_verify_dev(struct net_device *dev)
3448 {
3449         struct qeth_card *card;
3450         unsigned long flags;
3451         int rc = 0;
3452
3453         read_lock_irqsave(&qeth_card_list.rwlock, flags);
3454         list_for_each_entry(card, &qeth_card_list.list, list){
3455                 if (card->dev == dev){
3456                         rc = QETH_REAL_CARD;
3457                         break;
3458                 }
3459                 rc = qeth_verify_vlan_dev(dev, card);
3460                 if (rc)
3461                         break;
3462         }
3463         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3464
3465         return rc;
3466 }
3467
3468 static struct qeth_card *
3469 qeth_get_card_from_dev(struct net_device *dev)
3470 {
3471         struct qeth_card *card = NULL;
3472         int rc;
3473
3474         rc = qeth_verify_dev(dev);
3475         if (rc == QETH_REAL_CARD)
3476                 card = (struct qeth_card *)dev->priv;
3477         else if (rc == QETH_VLAN_CARD)
3478                 card = (struct qeth_card *)
3479                         VLAN_DEV_INFO(dev)->real_dev->priv;
3480
3481         QETH_DBF_TEXT_(trace, 4, "%d", rc);
3482         return card ;
3483 }
3484
3485 static void
3486 qeth_tx_timeout(struct net_device *dev)
3487 {
3488         struct qeth_card *card;
3489
3490         card = (struct qeth_card *) dev->priv;
3491         card->stats.tx_errors++;
3492         qeth_schedule_recovery(card);
3493 }
3494
3495 static int
3496 qeth_open(struct net_device *dev)
3497 {
3498         struct qeth_card *card;
3499
3500         QETH_DBF_TEXT(trace, 4, "qethopen");
3501
3502         card = (struct qeth_card *) dev->priv;
3503
3504         if (card->state != CARD_STATE_SOFTSETUP)
3505                 return -ENODEV;
3506
3507         if ( (card->options.layer2) &&
3508              (!card->info.layer2_mac_registered)) {
3509                 QETH_DBF_TEXT(trace,4,"nomacadr");
3510                 return -EPERM;
3511         }
3512         card->dev->flags |= IFF_UP;
3513         netif_start_queue(dev);
3514         card->data.state = CH_STATE_UP;
3515         card->state = CARD_STATE_UP;
3516
3517         if (!card->lan_online){
3518                 if (netif_carrier_ok(dev))
3519                         netif_carrier_off(dev);
3520         }
3521         return 0;
3522 }
3523
3524 static int
3525 qeth_stop(struct net_device *dev)
3526 {
3527         struct qeth_card *card;
3528
3529         QETH_DBF_TEXT(trace, 4, "qethstop");
3530
3531         card = (struct qeth_card *) dev->priv;
3532
3533         netif_stop_queue(dev);
3534         card->dev->flags &= ~IFF_UP;
3535         if (card->state == CARD_STATE_UP)
3536                 card->state = CARD_STATE_SOFTSETUP;
3537         return 0;
3538 }
3539
3540 static inline int
3541 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3542 {
3543         int cast_type = RTN_UNSPEC;
3544
3545         if (skb->dst && skb->dst->neighbour){
3546                 cast_type = skb->dst->neighbour->type;
3547                 if ((cast_type == RTN_BROADCAST) ||
3548                     (cast_type == RTN_MULTICAST) ||
3549                     (cast_type == RTN_ANYCAST))
3550                         return cast_type;
3551                 else
3552                         return RTN_UNSPEC;
3553         }
3554         /* try something else */
3555         if (skb->protocol == ETH_P_IPV6)
3556                 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3557         else if (skb->protocol == ETH_P_IP)
3558                 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3559         /* ... */
3560         if (!memcmp(skb->data, skb->dev->broadcast, 6))
3561                 return RTN_BROADCAST;
3562         else {
3563                 u16 hdr_mac;
3564
3565                 hdr_mac = *((u16 *)skb->data);
3566                 /* tr multicast? */
3567                 switch (card->info.link_type) {
3568                 case QETH_LINK_TYPE_HSTR:
3569                 case QETH_LINK_TYPE_LANE_TR:
3570                         if ((hdr_mac == QETH_TR_MAC_NC) ||
3571                             (hdr_mac == QETH_TR_MAC_C))
3572                                 return RTN_MULTICAST;
3573                 /* eth or so multicast? */
3574                 default:
3575                         if ((hdr_mac == QETH_ETH_MAC_V4) ||
3576                             (hdr_mac == QETH_ETH_MAC_V6))
3577                                 return RTN_MULTICAST;
3578                 }
3579         }
3580         return cast_type;
3581 }
3582
3583 static inline int
3584 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3585                         int ipv, int cast_type)
3586 {
3587         if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3588                 return card->qdio.default_out_queue;
3589         switch (card->qdio.no_out_queues) {
3590         case 4:
3591                 if (cast_type && card->info.is_multicast_different)
3592                         return card->info.is_multicast_different &
3593                                 (card->qdio.no_out_queues - 1);
3594                 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3595                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3596                                 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3597                                         return 3;
3598                                 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3599                                         return 2;
3600                                 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3601                                         return 1;
3602                                 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3603                                         return 0;
3604                         }
3605                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3606                                 return 3 - (skb->nh.iph->tos >> 6);
3607                 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3608                         /* TODO: IPv6!!! */
3609                 }
3610                 return card->qdio.default_out_queue;
3611         default:
3612                 return 0;
3613         }
3614 }
3615
3616 static inline int
3617 qeth_get_ip_version(struct sk_buff *skb)
3618 {
3619         switch (skb->protocol) {
3620         case ETH_P_IPV6:
3621                 return 6;
3622         case ETH_P_IP:
3623                 return 4;
3624         default:
3625                 return 0;
3626         }
3627 }
3628
3629 static inline int
3630 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3631                  struct qeth_hdr **hdr, int ipv)
3632 {
3633         struct sk_buff *new_skb;
3634 #ifdef CONFIG_QETH_VLAN
3635         u16 *tag;
3636 #endif
3637
3638         QETH_DBF_TEXT(trace, 6, "prepskb");
3639         if (skb_headroom(*skb) < sizeof(struct qeth_hdr)){
3640                 new_skb = skb_realloc_headroom(*skb, sizeof(struct qeth_hdr));
3641                 if (!new_skb) {
3642                         PRINT_ERR("qeth_prepare_skb: could "
3643                                   "not realloc headroom for qeth_hdr "
3644                                   "on interface %s", card->info.if_name);
3645                         return -ENOMEM;
3646                 }
3647                 *skb = new_skb;
3648         }
3649 #ifdef CONFIG_QETH_VLAN
3650         if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3651             ((ipv == 6) || card->options.layer2) ) {
3652                 /*
3653                  * Move the mac addresses (6 bytes src, 6 bytes dest)
3654                  * to the beginning of the new header.  We are using three
3655                  * memcpys instead of one memmove to save cycles.
3656                  */
3657                 skb_push(*skb, VLAN_HLEN);
3658                 memcpy((*skb)->data, (*skb)->data + 4, 4);
3659                 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3660                 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3661                 tag = (u16 *)((*skb)->data + 12);
3662                 /*
3663                  * first two bytes  = ETH_P_8021Q (0x8100)
3664                  * second two bytes = VLANID
3665                  */
3666                 *tag = __constant_htons(ETH_P_8021Q);
3667                 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3668         }
3669 #endif
3670         *hdr = (struct qeth_hdr *) skb_push(*skb, sizeof(struct qeth_hdr));
3671         /*
3672          * sanity check, the Linux memory allocation scheme should
3673          * never present us cases like this one (the 32bytes header plus
3674          * the first 40 bytes of the paket cross a 4k boundary)
3675          */
3676         if ((((unsigned long) *hdr) & (~(PAGE_SIZE - 1))) !=
3677             (((unsigned long) *hdr + sizeof(struct qeth_hdr) +
3678               QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
3679                 PRINT_ERR("qeth_prepare_skb: misaligned "
3680                           "packet on interface %s. Discarded.",
3681                           card->info.if_name);
3682                 return -EINVAL;
3683         }
3684         return 0;
3685 }
3686
3687 static inline u8
3688 qeth_get_qeth_hdr_flags4(int cast_type)
3689 {
3690         if (cast_type == RTN_MULTICAST)
3691                 return QETH_CAST_MULTICAST;
3692         if (cast_type == RTN_BROADCAST)
3693                 return QETH_CAST_BROADCAST;
3694         return QETH_CAST_UNICAST;
3695 }
3696
3697 static inline u8
3698 qeth_get_qeth_hdr_flags6(int cast_type)
3699 {
3700         u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3701         if (cast_type == RTN_MULTICAST)
3702                 return ct | QETH_CAST_MULTICAST;
3703         if (cast_type == RTN_ANYCAST)
3704                 return ct | QETH_CAST_ANYCAST;
3705         if (cast_type == RTN_BROADCAST)
3706                 return ct | QETH_CAST_BROADCAST;
3707         return ct | QETH_CAST_UNICAST;
3708 }
3709
3710 static inline void
3711 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3712                             struct sk_buff *skb)
3713 {
3714         __u16 hdr_mac;
3715
3716         if (!memcmp(skb->data+QETH_HEADER_SIZE,
3717                     skb->dev->broadcast,6)) { /* broadcast? */
3718                 *(__u32 *)hdr->hdr.l2.flags |=
3719                          QETH_LAYER2_FLAG_BROADCAST << 8;
3720                 return;
3721         }
3722         hdr_mac=*((__u16*)skb->data);
3723         /* tr multicast? */
3724         switch (card->info.link_type) {
3725         case QETH_LINK_TYPE_HSTR:
3726         case QETH_LINK_TYPE_LANE_TR:
3727                 if ((hdr_mac == QETH_TR_MAC_NC) ||
3728                     (hdr_mac == QETH_TR_MAC_C) )
3729                         *(__u32 *)hdr->hdr.l2.flags |=
3730                                 QETH_LAYER2_FLAG_MULTICAST << 8;
3731                 else
3732                         *(__u32 *)hdr->hdr.l2.flags |=
3733                                 QETH_LAYER2_FLAG_UNICAST << 8;
3734                 break;
3735                 /* eth or so multicast? */
3736         default:
3737                 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
3738                      (hdr_mac==QETH_ETH_MAC_V6) )
3739                         *(__u32 *)hdr->hdr.l2.flags |=
3740                                 QETH_LAYER2_FLAG_MULTICAST << 8;
3741                 else
3742                         *(__u32 *)hdr->hdr.l2.flags |=
3743                                 QETH_LAYER2_FLAG_UNICAST << 8;
3744         }
3745 }
3746
3747 static inline void
3748 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3749                         struct sk_buff *skb, int cast_type)
3750 {
3751         memset(hdr, 0, sizeof(struct qeth_hdr));
3752         hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
3753
3754         /* set byte 0 to "0x02" and byte 3 to casting flags */
3755         if (cast_type==RTN_MULTICAST)
3756                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
3757         else if (cast_type==RTN_BROADCAST)
3758                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
3759          else
3760                 qeth_layer2_get_packet_type(card, hdr, skb);
3761
3762         hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
3763 #ifdef CONFIG_QETH_VLAN
3764         /* VSWITCH relies on the VLAN
3765          * information to be present in
3766          * the QDIO header */
3767         if ((card->vlangrp != NULL) &&
3768             vlan_tx_tag_present(skb)) {
3769                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
3770                 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
3771         }
3772 #endif
3773 }
3774
3775 static inline void
3776 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3777                 struct sk_buff *skb, int ipv, int cast_type)
3778 {
3779         QETH_DBF_TEXT(trace, 6, "fillhdr");
3780
3781         if (card->options.layer2) {
3782                 qeth_layer2_fill_header(card, hdr, skb, cast_type);
3783                 return;
3784         }
3785         hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
3786         hdr->hdr.l3.ext_flags = 0;
3787 #ifdef CONFIG_QETH_VLAN
3788         /*
3789          * before we're going to overwrite this location with next hop ip.
3790          * v6 uses passthrough, v4 sets the tag in the QDIO header.
3791          */
3792         if (card->vlangrp && vlan_tx_tag_present(skb)) {
3793                 hdr->hdr.l3.ext_flags = (ipv == 4) ?
3794                         QETH_HDR_EXT_VLAN_FRAME :
3795                         QETH_HDR_EXT_INCLUDE_VLAN_TAG;
3796                 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
3797         }
3798 #endif /* CONFIG_QETH_VLAN */
3799         hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
3800         if (ipv == 4) {  /* IPv4 */
3801                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
3802                 memset(hdr->hdr.l3.dest_addr, 0, 12);
3803                 if ((skb->dst) && (skb->dst->neighbour)) {
3804                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
3805                             *((u32 *) skb->dst->neighbour->primary_key);
3806                 } else {
3807                         /* fill in destination address used in ip header */
3808                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
3809                 }
3810         } else if (ipv == 6) { /* IPv6 or passthru */
3811                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
3812                 if ((skb->dst) && (skb->dst->neighbour)) {
3813                         memcpy(hdr->hdr.l3.dest_addr,
3814                                skb->dst->neighbour->primary_key, 16);
3815                 } else {
3816                         /* fill in destination address used in ip header */
3817                         memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
3818                 }
3819         } else { /* passthrough */
3820                 if (!memcmp(skb->data + sizeof(struct qeth_hdr),
3821                             skb->dev->broadcast, 6)) {   /* broadcast? */
3822                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU;
3823                 } else {
3824                         hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
3825                                 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
3826                                 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
3827                 }
3828         }
3829 }
3830
3831 static inline int
3832 qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf,
3833                  char *data, struct sk_buff *skb)
3834 {
3835         struct qdio_buffer *buffer;
3836         int length = skb->len;
3837         int length_here;
3838         int element;
3839         int first_lap = 1;
3840
3841         QETH_DBF_TEXT(trace, 6, "qdfillbf");
3842         buffer = buf->buffer;
3843         atomic_inc(&skb->users);
3844         skb_queue_tail(&buf->skb_list, skb);
3845         element = buf->next_element_to_fill;
3846         while (length > 0) {
3847                 /* length_here is the remaining amount of data in this page */
3848                 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3849                 if (length < length_here)
3850                         length_here = length;
3851                 buffer->element[element].addr = data;
3852                 buffer->element[element].length = length_here;
3853                 length -= length_here;
3854                 if (!length){
3855                         if (first_lap)
3856                                 buffer->element[element].flags = 0;
3857                         else
3858                                 buffer->element[element].flags =
3859                                     SBAL_FLAGS_LAST_FRAG;
3860                 } else {
3861                         if (first_lap)
3862                                 buffer->element[element].flags =
3863                                     SBAL_FLAGS_FIRST_FRAG;
3864                         else
3865                                 buffer->element[element].flags =
3866                                     SBAL_FLAGS_MIDDLE_FRAG;
3867                 }
3868                 data += length_here;
3869                 element++;
3870                 first_lap = 0;
3871         }
3872         buf->next_element_to_fill = element;
3873         if (!queue->do_pack) {
3874                 QETH_DBF_TEXT(trace, 6, "fillbfnp");
3875                 /* set state to PRIMED -> will be flushed */
3876                 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3877         } else {
3878                 QETH_DBF_TEXT(trace, 6, "fillbfpa");
3879 #ifdef CONFIG_QETH_PERF_STATS
3880                 queue->card->perf_stats.skbs_sent_pack++;
3881 #endif
3882                 if (buf->next_element_to_fill >=
3883                                 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3884                         /*
3885                          * packed buffer if full -> set state PRIMED
3886                          * -> will be flushed
3887                          */
3888                         atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3889                 }
3890         }
3891         return 0;
3892 }
3893
3894 static inline int
3895 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3896                          struct sk_buff *skb, struct qeth_hdr *hdr,
3897                          int elements_needed)
3898 {
3899         struct qeth_qdio_out_buffer *buffer;
3900         int index;
3901
3902         QETH_DBF_TEXT(trace, 6, "dosndpfa");
3903
3904         /* spin until we get the queue ... */
3905         while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
3906                                        QETH_OUT_Q_LOCKED,
3907                                        &queue->state));
3908         /* ... now we've got the queue */
3909         index = queue->next_buf_to_fill;
3910         buffer = &queue->bufs[queue->next_buf_to_fill];
3911         /*
3912          * check if buffer is empty to make sure that we do not 'overtake'
3913          * ourselves and try to fill a buffer that is already primed
3914          */
3915         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
3916                 card->stats.tx_dropped++;
3917                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3918                 return -EBUSY;
3919         }
3920         queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3921                                   QDIO_MAX_BUFFERS_PER_Q;
3922         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3923         qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3924         qeth_flush_buffers(queue, 0, index, 1);
3925         return 0;
3926 }
3927
3928 static inline int
3929 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3930                     struct sk_buff *skb, struct qeth_hdr *hdr,
3931                     int elements_needed)
3932 {
3933         struct qeth_qdio_out_buffer *buffer;
3934         int start_index;
3935         int flush_count = 0;
3936         int rc = 0;
3937
3938         QETH_DBF_TEXT(trace, 6, "dosndpkt");
3939
3940         /* spin until we get the queue ... */
3941         while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
3942                                        QETH_OUT_Q_LOCKED,
3943                                        &queue->state));
3944         start_index = queue->next_buf_to_fill;
3945         buffer = &queue->bufs[queue->next_buf_to_fill];
3946         /*
3947          * check if buffer is empty to make sure that we do not 'overtake'
3948          * ourselves and try to fill a buffer that is already primed
3949          */
3950         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
3951                 card->stats.tx_dropped++;
3952                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3953                 return -EBUSY;
3954         }
3955         /* check if we need to switch packing state of this queue */
3956         qeth_switch_to_packing_if_needed(queue);
3957         if (queue->do_pack){
3958                 /* does packet fit in current buffer? */
3959                 if((QETH_MAX_BUFFER_ELEMENTS(card) -
3960                     buffer->next_element_to_fill) < elements_needed){
3961                         /* ... no -> set state PRIMED */
3962                         atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3963                         flush_count++;
3964                         queue->next_buf_to_fill =
3965                                 (queue->next_buf_to_fill + 1) %
3966                                 QDIO_MAX_BUFFERS_PER_Q;
3967                         buffer = &queue->bufs[queue->next_buf_to_fill];
3968                         /* we did a step forward, so check buffer state again */
3969                         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
3970                                 card->stats.tx_dropped++;
3971                                 /* return EBUSY because we sent old packet, not
3972                                  * the current one */
3973                                 rc = -EBUSY;
3974                                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3975                                 goto out;
3976                         }
3977                 }
3978         }
3979         qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3980         if (atomic_read(&buffer->state) == QETH_QDIO_BUF_PRIMED){
3981                 /* next time fill the next buffer */
3982                 flush_count++;
3983                 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3984                         QDIO_MAX_BUFFERS_PER_Q;
3985         }
3986         /*
3987          * queue->state will go from LOCKED -> UNLOCKED or from
3988          * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3989          * (switch packing state or flush buffer to get another pci flag out).
3990          * In that case we will enter this loop
3991          */
3992         while (atomic_dec_return(&queue->state)){
3993                 /* check if we can go back to non-packing state */
3994                 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
3995                 /*
3996                  * check if we need to flush a packing buffer to get a pci
3997                  * flag out on the queue
3998                  */
3999                 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4000                         flush_count += qeth_flush_buffers_on_no_pci(queue);
4001         }
4002         /* at this point the queue is UNLOCKED again */
4003 out:
4004         if (flush_count)
4005                 qeth_flush_buffers(queue, 0, start_index, flush_count);
4006
4007         return rc;
4008 }
4009
4010 static inline int
4011 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4012 {
4013         int ipv = 0;
4014         int cast_type;
4015         struct qeth_qdio_out_q *queue;
4016         struct qeth_hdr *hdr;
4017         int elements_needed;
4018         int rc;
4019
4020         QETH_DBF_TEXT(trace, 6, "sendpkt");
4021
4022         if (!card->options.layer2)
4023                 ipv = qeth_get_ip_version(skb);
4024         cast_type = qeth_get_cast_type(card, skb);
4025         if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){
4026                 card->stats.tx_dropped++;
4027                 card->stats.tx_errors++;
4028                 dev_kfree_skb_any(skb);
4029                 return 0;
4030         }
4031         queue = card->qdio.out_qs
4032                 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4033
4034         if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))){
4035                 QETH_DBF_TEXT_(trace, 4, "1err%d", rc);
4036                 return rc;
4037         }
4038         qeth_fill_header(card, hdr, skb, ipv, cast_type);
4039         elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len)
4040                                 >> PAGE_SHIFT);
4041         if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){
4042                 PRINT_ERR("qeth_do_send_packet: invalid size of "
4043                                  "IP packet. Discarded.");
4044                 return -EINVAL;
4045         }
4046
4047         if (card->info.type != QETH_CARD_TYPE_IQD)
4048                 rc = qeth_do_send_packet(card, queue, skb, hdr,
4049                                          elements_needed);
4050         else
4051                 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4052                                               elements_needed);
4053
4054         if (!rc){
4055                 card->stats.tx_packets++;
4056                 card->stats.tx_bytes += skb->len;
4057         }
4058         return rc;
4059 }
4060
4061 static int
4062 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4063 {
4064         struct qeth_card *card = (struct qeth_card *) dev->priv;
4065         int rc = 0;
4066
4067         switch(regnum){
4068         case MII_BMCR: /* Basic mode control register */
4069                 rc = BMCR_FULLDPLX;
4070                 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4071                     (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4072                         rc |= BMCR_SPEED100;
4073                 break;
4074         case MII_BMSR: /* Basic mode status register */
4075                 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4076                      BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4077                      BMSR_100BASE4;
4078                 break;
4079         case MII_PHYSID1: /* PHYS ID 1 */
4080                 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4081                      dev->dev_addr[2];
4082                 rc = (rc >> 5) & 0xFFFF;
4083                 break;
4084         case MII_PHYSID2: /* PHYS ID 2 */
4085                 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4086                 break;
4087         case MII_ADVERTISE: /* Advertisement control reg */
4088                 rc = ADVERTISE_ALL;
4089                 break;
4090         case MII_LPA: /* Link partner ability reg */
4091                 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4092                      LPA_100BASE4 | LPA_LPACK;
4093                 break;
4094         case MII_EXPANSION: /* Expansion register */
4095                 break;
4096         case MII_DCOUNTER: /* disconnect counter */
4097                 break;
4098         case MII_FCSCOUNTER: /* false carrier counter */
4099                 break;
4100         case MII_NWAYTEST: /* N-way auto-neg test register */
4101                 break;
4102         case MII_RERRCOUNTER: /* rx error counter */
4103                 rc = card->stats.rx_errors;
4104                 break;
4105         case MII_SREVISION: /* silicon revision */
4106                 break;
4107         case MII_RESV1: /* reserved 1 */
4108                 break;
4109         case MII_LBRERROR: /* loopback, rx, bypass error */
4110                 break;
4111         case MII_PHYADDR: /* physical address */
4112                 break;
4113         case MII_RESV2: /* reserved 2 */
4114                 break;
4115         case MII_TPISTATUS: /* TPI status for 10mbps */
4116                 break;
4117         case MII_NCONFIG: /* network interface config */
4118                 break;
4119         default:
4120                 rc = 0;
4121                 break;
4122         }
4123         return rc;
4124 }
4125
4126 static void
4127 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
4128 {
4129         switch(regnum){
4130         case MII_BMCR: /* Basic mode control register */
4131         case MII_BMSR: /* Basic mode status register */
4132         case MII_PHYSID1: /* PHYS ID 1 */
4133         case MII_PHYSID2: /* PHYS ID 2 */
4134         case MII_ADVERTISE: /* Advertisement control reg */
4135         case MII_LPA: /* Link partner ability reg */
4136         case MII_EXPANSION: /* Expansion register */
4137         case MII_DCOUNTER: /* disconnect counter */
4138         case MII_FCSCOUNTER: /* false carrier counter */
4139         case MII_NWAYTEST: /* N-way auto-neg test register */
4140         case MII_RERRCOUNTER: /* rx error counter */
4141         case MII_SREVISION: /* silicon revision */
4142         case MII_RESV1: /* reserved 1 */
4143         case MII_LBRERROR: /* loopback, rx, bypass error */
4144         case MII_PHYADDR: /* physical address */
4145         case MII_RESV2: /* reserved 2 */
4146         case MII_TPISTATUS: /* TPI status for 10mbps */
4147         case MII_NCONFIG: /* network interface config */
4148         default:
4149                 break;
4150         }
4151 }
4152
4153 static inline const char *
4154 qeth_arp_get_error_cause(int *rc)
4155 {
4156         switch (*rc) {
4157         case QETH_IPA_ARP_RC_FAILED:
4158                 *rc = -EIO;
4159                 return "operation failed";
4160         case QETH_IPA_ARP_RC_NOTSUPP:
4161                 *rc = -EOPNOTSUPP;
4162                 return "operation not supported";
4163         case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4164                 *rc = -EINVAL;
4165                 return "argument out of range";
4166         case QETH_IPA_ARP_RC_Q_NOTSUPP:
4167                 *rc = -EOPNOTSUPP;
4168                 return "query operation not supported";
4169         case QETH_IPA_ARP_RC_Q_NO_DATA:
4170                 *rc = -ENOENT;
4171                 return "no query data available";
4172         default:
4173                 return "unknown error";
4174         }
4175 }
4176
4177 static int
4178 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4179                              __u16, long);
4180
4181 static int
4182 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4183 {
4184         int tmp;
4185         int rc;
4186
4187         QETH_DBF_TEXT(trace,3,"arpstnoe");
4188
4189         /* TODO: really not supported by GuestLAN? */
4190         if (card->info.guestlan)
4191                 return -EOPNOTSUPP;
4192         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4193                 PRINT_WARN("ARP processing not supported "
4194                            "on %s!\n", card->info.if_name);
4195                 return -EOPNOTSUPP;
4196         }
4197         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4198                                           IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4199                                           no_entries);
4200         if (rc) {
4201                 tmp = rc;
4202                 PRINT_WARN("Could not set number of ARP entries on %s: "
4203                            "%s (0x%x/%d)\n",
4204                            card->info.if_name, qeth_arp_get_error_cause(&rc),
4205                            tmp, tmp);
4206         }
4207         return rc;
4208 }
4209
4210 static inline void
4211 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4212                                struct qeth_arp_query_data *qdata,
4213                                int entry_size, int uentry_size)
4214 {
4215         char *entry_ptr;
4216         char *uentry_ptr;
4217         int i;
4218
4219         entry_ptr = (char *)&qdata->data;
4220         uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4221         for (i = 0; i < qdata->no_entries; ++i){
4222                 /* strip off 32 bytes "media specific information" */
4223                 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4224                 entry_ptr += entry_size;
4225                 uentry_ptr += uentry_size;
4226         }
4227 }
4228
4229 static int
4230 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4231                   unsigned long data)
4232 {
4233         struct qeth_ipa_cmd *cmd;
4234         struct qeth_arp_query_data *qdata;
4235         struct qeth_arp_query_info *qinfo;
4236         int entry_size;
4237         int uentry_size;
4238         int i;
4239
4240         QETH_DBF_TEXT(trace,4,"arpquecb");
4241
4242         qinfo = (struct qeth_arp_query_info *) reply->param;
4243         cmd = (struct qeth_ipa_cmd *) data;
4244         if (cmd->hdr.return_code) {
4245                 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4246                 return 0;
4247         }
4248         if (cmd->data.setassparms.hdr.return_code) {
4249                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4250                 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4251                 return 0;
4252         }
4253         qdata = &cmd->data.setassparms.data.query_arp;
4254         switch(qdata->reply_bits){
4255         case 5:
4256                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4257                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4258                         uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4259                 break;
4260         case 7:
4261                 /* fall through to default */
4262         default:
4263                 /* tr is the same as eth -> entry7 */
4264                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4265                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4266                         uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4267                 break;
4268         }
4269         /* check if there is enough room in userspace */
4270         if ((qinfo->udata_len - qinfo->udata_offset) <
4271                         qdata->no_entries * uentry_size){
4272                 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4273                 cmd->hdr.return_code = -ENOMEM;
4274                 PRINT_WARN("query ARP user space buffer is too small for "
4275                            "the returned number of ARP entries. "
4276                            "Aborting query!\n");
4277                 goto out_error;
4278         }
4279         QETH_DBF_TEXT_(trace, 4, "anore%i",
4280                        cmd->data.setassparms.hdr.number_of_replies);
4281         QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4282         QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4283
4284         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4285                 /* strip off "media specific information" */
4286                 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4287                                                uentry_size);
4288         } else
4289                 /*copy entries to user buffer*/
4290                 memcpy(qinfo->udata + qinfo->udata_offset,
4291                        (char *)&qdata->data, qdata->no_entries*uentry_size);
4292
4293         qinfo->no_entries += qdata->no_entries;
4294         qinfo->udata_offset += (qdata->no_entries*uentry_size);
4295         /* check if all replies received ... */
4296         if (cmd->data.setassparms.hdr.seq_no <
4297             cmd->data.setassparms.hdr.number_of_replies)
4298                 return 1;
4299         memcpy(qinfo->udata, &qinfo->no_entries, 4);
4300         /* keep STRIP_ENTRIES flag so the user program can distinguish
4301          * stripped entries from normal ones */
4302         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4303                 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4304         memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4305         return 0;
4306 out_error:
4307         i = 0;
4308         memcpy(qinfo->udata, &i, 4);
4309         return 0;
4310 }
4311
4312 static int
4313 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4314                       int len, int (*reply_cb)(struct qeth_card *,
4315                                                struct qeth_reply *,
4316                                                unsigned long),
4317                       void *reply_param)
4318 {
4319         QETH_DBF_TEXT(trace,4,"sendarp");
4320
4321         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4322         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4323                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4324         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4325                                       reply_cb, reply_param);
4326 }
4327
4328 static int
4329 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4330                       int len, int (*reply_cb)(struct qeth_card *,
4331                                                struct qeth_reply *,
4332                                                unsigned long),
4333                       void *reply_param)
4334 {
4335         u16 s1, s2;
4336
4337         QETH_DBF_TEXT(trace,4,"sendsnmp");
4338
4339         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4340         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4341                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4342         /* adjust PDU length fields in IPA_PDU_HEADER */
4343         s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4344         s2 = (u32) len;
4345         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4346         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4347         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4348         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4349         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4350                                       reply_cb, reply_param);
4351 }
4352
4353 static struct qeth_cmd_buffer *
4354 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4355                          __u16, __u16, enum qeth_prot_versions);
4356 static int
4357 qeth_arp_query(struct qeth_card *card, char *udata)
4358 {
4359         struct qeth_cmd_buffer *iob;
4360         struct qeth_arp_query_info qinfo = {0, };
4361         int tmp;
4362         int rc;
4363
4364         QETH_DBF_TEXT(trace,3,"arpquery");
4365
4366         /*
4367          * currently GuestLAN  does only deliver all zeros on query arp,
4368          * even though arp processing is supported (according to IPA supp.
4369          * funcs flags); since all zeros is no valueable information,
4370          * we say EOPNOTSUPP for all ARP functions
4371          */
4372         /*if (card->info.guestlan)
4373                 return -EOPNOTSUPP; */
4374         if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4375                                IPA_ARP_PROCESSING)) {
4376                 PRINT_WARN("ARP processing not supported "
4377                            "on %s!\n", card->info.if_name);
4378                 return -EOPNOTSUPP;
4379         }
4380         /* get size of userspace buffer and mask_bits -> 6 bytes */
4381         if (copy_from_user(&qinfo, udata, 6))
4382                 return -EFAULT;
4383         if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4384                 return -ENOMEM;
4385         memset(qinfo.udata, 0, qinfo.udata_len);
4386         qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4387         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4388                                        IPA_CMD_ASS_ARP_QUERY_INFO,
4389                                        sizeof(int),QETH_PROT_IPV4);
4390
4391         rc = qeth_send_ipa_arp_cmd(card, iob,
4392                                    QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4393                                    qeth_arp_query_cb, (void *)&qinfo);
4394         if (rc) {
4395                 tmp = rc;
4396                 PRINT_WARN("Error while querying ARP cache on %s: %s "
4397                            "(0x%x/%d)\n",
4398                            card->info.if_name, qeth_arp_get_error_cause(&rc),
4399                            tmp, tmp);
4400                 copy_to_user(udata, qinfo.udata, 4);
4401         } else {
4402                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4403         }
4404         kfree(qinfo.udata);
4405         return rc;
4406 }
4407
4408 /**
4409  * SNMP command callback
4410  */
4411 static int
4412 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4413                      unsigned long sdata)
4414 {
4415         struct qeth_ipa_cmd *cmd;
4416         struct qeth_arp_query_info *qinfo;
4417         struct qeth_snmp_cmd *snmp;
4418         unsigned char *data;
4419         __u16 data_len;
4420
4421         QETH_DBF_TEXT(trace,3,"snpcmdcb");
4422
4423         cmd = (struct qeth_ipa_cmd *) sdata;
4424         data = (unsigned char *)((char *)cmd - reply->offset);
4425         qinfo = (struct qeth_arp_query_info *) reply->param;
4426         snmp = &cmd->data.setadapterparms.data.snmp;
4427
4428         if (cmd->hdr.return_code) {
4429                 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4430                 return 0;
4431         }
4432         if (cmd->data.setadapterparms.hdr.return_code) {
4433                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4434                 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4435                 return 0;
4436         }
4437         data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4438         if (cmd->data.setadapterparms.hdr.seq_no == 1)
4439                 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4440         else
4441                 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4442
4443         /* check if there is enough room in userspace */
4444         if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4445                 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4446                 cmd->hdr.return_code = -ENOMEM;
4447                 return 0;
4448         }
4449         QETH_DBF_TEXT_(trace, 4, "snore%i",
4450                        cmd->data.setadapterparms.hdr.used_total);
4451         QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4452         /*copy entries to user buffer*/
4453         if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4454                 memcpy(qinfo->udata + qinfo->udata_offset,
4455                        (char *)snmp,
4456                        data_len + offsetof(struct qeth_snmp_cmd,data));
4457                 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4458         } else {
4459                 memcpy(qinfo->udata + qinfo->udata_offset,
4460                        (char *)&snmp->request, data_len);
4461         }
4462         qinfo->udata_offset += data_len;
4463         /* check if all replies received ... */
4464                 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4465                                cmd->data.setadapterparms.hdr.used_total);
4466                 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4467                                cmd->data.setadapterparms.hdr.seq_no);
4468         if (cmd->data.setadapterparms.hdr.seq_no <
4469             cmd->data.setadapterparms.hdr.used_total)
4470                 return 1;
4471         return 0;
4472 }
4473
4474 static struct qeth_cmd_buffer *
4475 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4476                        enum qeth_prot_versions );
4477
4478 static struct qeth_cmd_buffer *
4479 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4480 {
4481         struct qeth_cmd_buffer *iob;
4482         struct qeth_ipa_cmd *cmd;
4483
4484         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4485                                      QETH_PROT_IPV4);
4486         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4487         cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4488         cmd->data.setadapterparms.hdr.command_code = command;
4489         cmd->data.setadapterparms.hdr.used_total = 1;
4490         cmd->data.setadapterparms.hdr.seq_no = 1;
4491
4492         return iob;
4493 }
4494
4495 /**
4496  * function to send SNMP commands to OSA-E card
4497  */
4498 static int
4499 qeth_snmp_command(struct qeth_card *card, char *udata)
4500 {
4501         struct qeth_cmd_buffer *iob;
4502         struct qeth_ipa_cmd *cmd;
4503         struct qeth_snmp_ureq *ureq;
4504         int req_len;
4505         struct qeth_arp_query_info qinfo = {0, };
4506         int rc = 0;
4507
4508         QETH_DBF_TEXT(trace,3,"snmpcmd");
4509
4510         if (card->info.guestlan)
4511                 return -EOPNOTSUPP;
4512         if (!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) {
4513                 PRINT_WARN("SNMP Query MIBS not supported "
4514                            "on %s!\n", card->info.if_name);
4515                 return -EOPNOTSUPP;
4516         }
4517         /* skip 4 bytes (data_len struct member) to get req_len */
4518         if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4519                 return -EFAULT;
4520         ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4521         if (!ureq) {
4522                 QETH_DBF_TEXT(trace, 2, "snmpnome");
4523                 return -ENOMEM;
4524         }
4525         if (copy_from_user(ureq, udata,
4526                         req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4527                 kfree(ureq);
4528                 return -EFAULT;
4529         }
4530         qinfo.udata_len = ureq->hdr.data_len;
4531         if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
4532                 kfree(ureq);
4533                 return -ENOMEM;
4534         }
4535         memset(qinfo.udata, 0, qinfo.udata_len);
4536         qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4537
4538         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4539                                    QETH_SNMP_SETADP_CMDLENGTH + req_len);
4540         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4541         memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4542         rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4543                                     qeth_snmp_command_cb, (void *)&qinfo);
4544         if (rc)
4545                 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4546                            card->info.if_name, rc);
4547          else
4548                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4549
4550         kfree(ureq);
4551         kfree(qinfo.udata);
4552         return rc;
4553 }
4554
4555 static int
4556 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4557                             unsigned long);
4558
4559 static int
4560 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
4561                       __u16, long,
4562                       int (*reply_cb)
4563                       (struct qeth_card *, struct qeth_reply *, unsigned long),
4564                       void *reply_param);
4565
4566 static int
4567 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4568 {
4569         struct qeth_cmd_buffer *iob;
4570         char buf[16];
4571         int tmp;
4572         int rc;
4573
4574         QETH_DBF_TEXT(trace,3,"arpadent");
4575
4576         /*
4577          * currently GuestLAN  does only deliver all zeros on query arp,
4578          * even though arp processing is supported (according to IPA supp.
4579          * funcs flags); since all zeros is no valueable information,
4580          * we say EOPNOTSUPP for all ARP functions
4581          */
4582         if (card->info.guestlan)
4583                 return -EOPNOTSUPP;
4584         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4585                 PRINT_WARN("ARP processing not supported "
4586                            "on %s!\n", card->info.if_name);
4587                 return -EOPNOTSUPP;
4588         }
4589
4590         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4591                                        IPA_CMD_ASS_ARP_ADD_ENTRY,
4592                                        sizeof(struct qeth_arp_cache_entry),
4593                                        QETH_PROT_IPV4);
4594         rc = qeth_send_setassparms(card, iob,
4595                                    sizeof(struct qeth_arp_cache_entry),
4596                                    (unsigned long) entry,
4597                                    qeth_default_setassparms_cb, NULL);
4598         if (rc) {
4599                 tmp = rc;
4600                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4601                 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4602                            "%s (0x%x/%d)\n",
4603                            buf, card->info.if_name,
4604                            qeth_arp_get_error_cause(&rc), tmp, tmp);
4605         }
4606         return rc;
4607 }
4608
4609 static int
4610 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4611 {
4612         struct qeth_cmd_buffer *iob;
4613         char buf[16] = {0, };
4614         int tmp;
4615         int rc;
4616
4617         QETH_DBF_TEXT(trace,3,"arprment");
4618
4619         /*
4620          * currently GuestLAN  does only deliver all zeros on query arp,
4621          * even though arp processing is supported (according to IPA supp.
4622          * funcs flags); since all zeros is no valueable information,
4623          * we say EOPNOTSUPP for all ARP functions
4624          */
4625         if (card->info.guestlan)
4626                 return -EOPNOTSUPP;
4627         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4628                 PRINT_WARN("ARP processing not supported "
4629                            "on %s!\n", card->info.if_name);
4630                 return -EOPNOTSUPP;
4631         }
4632         memcpy(buf, entry, 12);
4633         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4634                                        IPA_CMD_ASS_ARP_REMOVE_ENTRY,
4635                                        12,
4636                                        QETH_PROT_IPV4);
4637         rc = qeth_send_setassparms(card, iob,
4638                                    12, (unsigned long)buf,
4639                                    qeth_default_setassparms_cb, NULL);
4640         if (rc) {
4641                 tmp = rc;
4642                 memset(buf, 0, 16);
4643                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4644                 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
4645                            "%s (0x%x/%d)\n",
4646                            buf, card->info.if_name,
4647                            qeth_arp_get_error_cause(&rc), tmp, tmp);
4648         }
4649         return rc;
4650 }
4651
4652 static int
4653 qeth_arp_flush_cache(struct qeth_card *card)
4654 {
4655         int rc;
4656         int tmp;
4657
4658         QETH_DBF_TEXT(trace,3,"arpflush");
4659
4660         /*
4661          * currently GuestLAN  does only deliver all zeros on query arp,
4662          * even though arp processing is supported (according to IPA supp.
4663          * funcs flags); since all zeros is no valueable information,
4664          * we say EOPNOTSUPP for all ARP functions
4665          */
4666         if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
4667                 return -EOPNOTSUPP;
4668         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4669                 PRINT_WARN("ARP processing not supported "
4670                            "on %s!\n", card->info.if_name);
4671                 return -EOPNOTSUPP;
4672         }
4673         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4674                                           IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
4675         if (rc){
4676                 tmp = rc;
4677                 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
4678                            card->info.if_name, qeth_arp_get_error_cause(&rc),
4679                            tmp, tmp);
4680         }
4681         return rc;
4682 }
4683
4684 static int
4685 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4686 {
4687         struct qeth_card *card = (struct qeth_card *)dev->priv;
4688         struct qeth_arp_cache_entry arp_entry;
4689         struct mii_ioctl_data *mii_data;
4690         int rc = 0;
4691
4692         if (!card)
4693                 return -ENODEV;
4694
4695         if ((card->state != CARD_STATE_UP) &&
4696             (card->state != CARD_STATE_SOFTSETUP))
4697                 return -ENODEV;
4698
4699         switch (cmd){
4700         case SIOC_QETH_ARP_SET_NO_ENTRIES:
4701                 if ( !capable(CAP_NET_ADMIN) ||
4702                      (card->options.layer2) ) {
4703                         rc = -EPERM;
4704                         break;
4705                 }
4706                 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
4707                 break;
4708         case SIOC_QETH_ARP_QUERY_INFO:
4709                 if ( !capable(CAP_NET_ADMIN) ||
4710                      (card->options.layer2) ) {
4711                         rc = -EPERM;
4712                         break;
4713                 }
4714                 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
4715                 break;
4716         case SIOC_QETH_ARP_ADD_ENTRY:
4717                 if ( !capable(CAP_NET_ADMIN) ||
4718                      (card->options.layer2) ) {
4719                         rc = -EPERM;
4720                         break;
4721                 }
4722                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4723                                    sizeof(struct qeth_arp_cache_entry)))
4724                         rc = -EFAULT;
4725                 else
4726                         rc = qeth_arp_add_entry(card, &arp_entry);
4727                 break;
4728         case SIOC_QETH_ARP_REMOVE_ENTRY:
4729                 if ( !capable(CAP_NET_ADMIN) ||
4730                      (card->options.layer2) ) {
4731                         rc = -EPERM;
4732                         break;
4733                 }
4734                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4735                                    sizeof(struct qeth_arp_cache_entry)))
4736                         rc = -EFAULT;
4737                 else
4738                         rc = qeth_arp_remove_entry(card, &arp_entry);
4739                 break;
4740         case SIOC_QETH_ARP_FLUSH_CACHE:
4741                 if ( !capable(CAP_NET_ADMIN) ||
4742                      (card->options.layer2) ) {
4743                         rc = -EPERM;
4744                         break;
4745                 }
4746                 rc = qeth_arp_flush_cache(card);
4747                 break;
4748         case SIOC_QETH_ADP_SET_SNMP_CONTROL:
4749                 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
4750                 break;
4751         case SIOC_QETH_GET_CARD_TYPE:
4752                 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
4753                     !card->info.guestlan)
4754                         return 1;
4755                 return 0;
4756                 break;
4757         case SIOCGMIIPHY:
4758                 mii_data = if_mii(rq);
4759                 mii_data->phy_id = 0;
4760                 break;
4761         case SIOCGMIIREG:
4762                 mii_data = if_mii(rq);
4763                 if (mii_data->phy_id != 0)
4764                         rc = -EINVAL;
4765                 else
4766                         mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
4767                                                            mii_data->reg_num);
4768                 break;
4769         case SIOCSMIIREG:
4770                 rc = -EOPNOTSUPP;
4771                 break;
4772                 /* TODO: remove return if qeth_mdio_write does something */
4773                 if (!capable(CAP_NET_ADMIN)){
4774                         rc = -EPERM;
4775                         break;
4776                 }
4777                 mii_data = if_mii(rq);
4778                 if (mii_data->phy_id != 0)
4779                         rc = -EINVAL;
4780                 else
4781                         qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
4782                                         mii_data->val_in);
4783                 break;
4784         default:
4785                 rc = -EOPNOTSUPP;
4786         }
4787         if (rc)
4788                 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
4789         return rc;
4790 }
4791
4792 static struct net_device_stats *
4793 qeth_get_stats(struct net_device *dev)
4794 {
4795         struct qeth_card *card;
4796
4797         card = (struct qeth_card *) (dev->priv);
4798
4799         QETH_DBF_TEXT(trace,5,"getstat");
4800
4801         return &card->stats;
4802 }
4803
4804 static int
4805 qeth_change_mtu(struct net_device *dev, int new_mtu)
4806 {
4807         struct qeth_card *card;
4808         char dbf_text[15];
4809
4810         card = (struct qeth_card *) (dev->priv);
4811
4812         QETH_DBF_TEXT(trace,4,"chgmtu");
4813         sprintf(dbf_text, "%8x", new_mtu);
4814         QETH_DBF_TEXT(trace,4,dbf_text);
4815
4816         if (new_mtu < 64)
4817                 return -EINVAL;
4818         if (new_mtu > 65535)
4819                 return -EINVAL;
4820         if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
4821             (!qeth_mtu_is_valid(card, new_mtu)))
4822                 return -EINVAL;
4823         dev->mtu = new_mtu;
4824         return 0;
4825 }
4826
4827 #ifdef CONFIG_QETH_VLAN
4828 static void
4829 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
4830 {
4831         struct qeth_card *card;
4832         unsigned long flags;
4833
4834         QETH_DBF_TEXT(trace,4,"vlanreg");
4835
4836         card = (struct qeth_card *) dev->priv;
4837         spin_lock_irqsave(&card->vlanlock, flags);
4838         card->vlangrp = grp;
4839         spin_unlock_irqrestore(&card->vlanlock, flags);
4840 }
4841
4842 static inline void
4843 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
4844                       unsigned short vid)
4845 {
4846         int i;
4847         struct sk_buff *skb;
4848         struct sk_buff_head tmp_list;
4849
4850         skb_queue_head_init(&tmp_list);
4851         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
4852                 while ((skb = skb_dequeue(&buf->skb_list))){
4853                         if (vlan_tx_tag_present(skb) &&
4854                             (vlan_tx_tag_get(skb) == vid)) {
4855                                 atomic_dec(&skb->users);
4856                                 dev_kfree_skb(skb);
4857                         } else
4858                                 skb_queue_tail(&tmp_list, skb);
4859                 }
4860         }
4861         while ((skb = skb_dequeue(&tmp_list)))
4862                 skb_queue_tail(&buf->skb_list, skb);
4863 }
4864
4865 static void
4866 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
4867 {
4868         int i, j;
4869
4870         QETH_DBF_TEXT(trace, 4, "frvlskbs");
4871         for (i = 0; i < card->qdio.no_out_queues; ++i){
4872                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
4873                         qeth_free_vlan_buffer(card, &card->qdio.
4874                                               out_qs[i]->bufs[j], vid);
4875         }
4876 }
4877
4878 static void
4879 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
4880 {
4881         struct in_device *in_dev;
4882         struct in_ifaddr *ifa;
4883         struct qeth_ipaddr *addr;
4884
4885         QETH_DBF_TEXT(trace, 4, "frvaddr4");
4886         if (!card->vlangrp)
4887                 return;
4888         rcu_read_lock();
4889         in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
4890         if (!in_dev)
4891                 goto out;
4892         for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
4893                 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
4894                 if (addr){
4895                         addr->u.a4.addr = ifa->ifa_address;
4896                         addr->u.a4.mask = ifa->ifa_mask;
4897                         addr->type = QETH_IP_TYPE_NORMAL;
4898                         if (!qeth_delete_ip(card, addr))
4899                                 kfree(addr);
4900                 }
4901         }
4902 out:
4903         rcu_read_unlock();
4904 }
4905
4906 #ifdef CONFIG_QETH_IPV6
4907 static void
4908 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
4909 {
4910         struct inet6_dev *in6_dev;
4911         struct inet6_ifaddr *ifa;
4912         struct qeth_ipaddr *addr;
4913
4914         QETH_DBF_TEXT(trace, 4, "frvaddr6");
4915         if (!card->vlangrp)
4916                 return;
4917         in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
4918         if (!in6_dev)
4919                 return;
4920         for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
4921                 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
4922                 if (addr){
4923                         memcpy(&addr->u.a6.addr, &ifa->addr,
4924                                sizeof(struct in6_addr));
4925                         addr->u.a6.pfxlen = ifa->prefix_len;
4926                         addr->type = QETH_IP_TYPE_NORMAL;
4927                         if (!qeth_delete_ip(card, addr))
4928                                 kfree(addr);
4929                 }
4930         }
4931         in6_dev_put(in6_dev);
4932 }
4933 #else
4934 #define qeth_free_vlan_addresses6(card, vid)    do{ ; }while(0)
4935 #endif
4936
4937 static void
4938 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
4939                             enum qeth_ipa_cmds ipacmd)
4940 {
4941         int rc;
4942         struct qeth_ipa_cmd *cmd;
4943         struct qeth_cmd_buffer *iob;
4944
4945         QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
4946         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
4947         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4948         cmd->data.setdelvlan.vlan_id = i;
4949
4950         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
4951         if (rc) {
4952                 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
4953                           "Continuing\n",i, card->info.if_name, rc);
4954                 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd);
4955                 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
4956                 QETH_DBF_TEXT_(trace, 2, "err%d", rc);
4957         }
4958 }
4959
4960 static void
4961 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
4962 {
4963         unsigned short  i;
4964
4965         QETH_DBF_TEXT(trace, 3, "L2prcvln");
4966
4967         if (!card->vlangrp)
4968                 return;
4969         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
4970                 if (card->vlangrp->vlan_devices[i] == NULL)
4971                         continue;
4972                 if (clear)
4973                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
4974                 else
4975                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
4976         }
4977 }
4978
4979 /*add_vid is layer 2 used only ....*/
4980 static void
4981 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
4982 {
4983         struct qeth_card *card;
4984
4985         QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
4986
4987         card = (struct qeth_card *) dev->priv;
4988         if (!card->options.layer2)
4989                 return;
4990         qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
4991 }
4992
4993 /*... kill_vid used for both modes*/
4994 static void
4995 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
4996 {
4997         struct qeth_card *card;
4998         unsigned long flags;
4999
5000         QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5001
5002         card = (struct qeth_card *) dev->priv;
5003         /* free all skbs for the vlan device */
5004         qeth_free_vlan_skbs(card, vid);
5005         spin_lock_irqsave(&card->vlanlock, flags);
5006         /* unregister IP addresses of vlan device */
5007         qeth_free_vlan_addresses4(card, vid);
5008         qeth_free_vlan_addresses6(card, vid);
5009         if (card->vlangrp)
5010                 card->vlangrp->vlan_devices[vid] = NULL;
5011         spin_unlock_irqrestore(&card->vlanlock, flags);
5012         if (card->options.layer2)
5013                 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5014         qeth_set_multicast_list(card->dev);
5015 }
5016 #endif
5017
5018 /**
5019  * set multicast address on card
5020  */
5021 static void
5022 qeth_set_multicast_list(struct net_device *dev)
5023 {
5024         struct qeth_card *card = (struct qeth_card *) dev->priv;
5025
5026         QETH_DBF_TEXT(trace,3,"setmulti");
5027         qeth_delete_mc_addresses(card);
5028         qeth_add_multicast_ipv4(card);
5029 #ifdef CONFIG_QETH_IPV6
5030         qeth_add_multicast_ipv6(card);
5031 #endif
5032         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5033                 schedule_work(&card->kernel_thread_starter);
5034 }
5035
5036 static int
5037 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5038 {
5039         return 0;
5040 }
5041
5042 #ifdef CONFIG_QETH_IPV6
5043 int
5044 qeth_ipv6_generate_eui64(u8 * eui, struct net_device *dev)
5045 {
5046         switch (dev->type) {
5047         case ARPHRD_ETHER:
5048         case ARPHRD_FDDI:
5049         case ARPHRD_IEEE802_TR:
5050                 if (dev->addr_len != ETH_ALEN)
5051                         return -1;
5052                 memcpy(eui, dev->dev_addr, 3);
5053                 memcpy(eui + 5, dev->dev_addr + 3, 3);
5054                 eui[3] = (dev->dev_id >> 8) & 0xff;
5055                 eui[4] = dev->dev_id & 0xff;
5056                 return 0;
5057         }
5058         return -1;
5059
5060 }
5061 #endif
5062
5063 static void
5064 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5065 {
5066         if (dev->type == ARPHRD_IEEE802_TR)
5067                 ip_tr_mc_map(ipm, mac);
5068         else
5069                 ip_eth_mc_map(ipm, mac);
5070 }
5071
5072 static struct qeth_ipaddr *
5073 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5074 {
5075         struct qeth_ipaddr *addr;
5076
5077         addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5078         if (addr == NULL) {
5079                 PRINT_WARN("Not enough memory to add address\n");
5080                 return NULL;
5081         }
5082         memset(addr,0,sizeof(struct qeth_ipaddr));
5083         addr->type = QETH_IP_TYPE_NORMAL;
5084         addr->proto = prot;
5085         return addr;
5086 }
5087
5088 static void
5089 qeth_delete_mc_addresses(struct qeth_card *card)
5090 {
5091         struct qeth_ipaddr *iptodo;
5092         unsigned long flags;
5093
5094         QETH_DBF_TEXT(trace,4,"delmc");
5095         iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5096         if (!iptodo) {
5097                 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5098                 return;
5099         }
5100         iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5101         spin_lock_irqsave(&card->ip_lock, flags);
5102         if (!__qeth_insert_ip_todo(card, iptodo, 0))
5103                 kfree(iptodo);
5104         spin_unlock_irqrestore(&card->ip_lock, flags);
5105 }
5106
5107 static inline void
5108 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5109 {
5110         struct qeth_ipaddr *ipm;
5111         struct ip_mc_list *im4;
5112         char buf[MAX_ADDR_LEN];
5113
5114         QETH_DBF_TEXT(trace,4,"addmc");
5115         for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5116                 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5117                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5118                 if (!ipm)
5119                         continue;
5120                 ipm->u.a4.addr = im4->multiaddr;
5121                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5122                 ipm->is_multicast = 1;
5123                 if (!qeth_add_ip(card,ipm))
5124                         kfree(ipm);
5125         }
5126 }
5127
5128 static inline void
5129 qeth_add_vlan_mc(struct qeth_card *card)
5130 {
5131 #ifdef CONFIG_QETH_VLAN
5132         struct in_device *in_dev;
5133         struct vlan_group *vg;
5134         int i;
5135
5136         QETH_DBF_TEXT(trace,4,"addmcvl");
5137         if ( ((card->options.layer2 == 0) &&
5138               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5139              (card->vlangrp == NULL) )
5140                 return ;
5141
5142         vg = card->vlangrp;
5143         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5144                 if (vg->vlan_devices[i] == NULL ||
5145                     !(vg->vlan_devices[i]->flags & IFF_UP))
5146                         continue;
5147                 in_dev = in_dev_get(vg->vlan_devices[i]);
5148                 if (!in_dev)
5149                         continue;
5150                 read_lock(&in_dev->mc_list_lock);
5151                 qeth_add_mc(card,in_dev);
5152                 read_unlock(&in_dev->mc_list_lock);
5153                 in_dev_put(in_dev);
5154         }
5155 #endif
5156 }
5157
5158 static void
5159 qeth_add_multicast_ipv4(struct qeth_card *card)
5160 {
5161         struct in_device *in4_dev;
5162
5163         QETH_DBF_TEXT(trace,4,"chkmcv4");
5164         in4_dev = in_dev_get(card->dev);
5165         if (in4_dev == NULL)
5166                 return;
5167         read_lock(&in4_dev->mc_list_lock);
5168         qeth_add_mc(card, in4_dev);
5169         qeth_add_vlan_mc(card);
5170         read_unlock(&in4_dev->mc_list_lock);
5171         in_dev_put(in4_dev);
5172 }
5173
5174 #ifdef CONFIG_QETH_IPV6
5175 static inline void
5176 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5177 {
5178         struct qeth_ipaddr *ipm;
5179         struct ifmcaddr6 *im6;
5180         char buf[MAX_ADDR_LEN];
5181
5182         QETH_DBF_TEXT(trace,4,"addmc6");
5183         for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5184                 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5185                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5186                 if (!ipm)
5187                         continue;
5188                 ipm->is_multicast = 1;
5189                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5190                 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5191                        sizeof(struct in6_addr));
5192                 if (!qeth_add_ip(card,ipm))
5193                         kfree(ipm);
5194         }
5195 }
5196
5197 static inline void
5198 qeth_add_vlan_mc6(struct qeth_card *card)
5199 {
5200 #ifdef CONFIG_QETH_VLAN
5201         struct inet6_dev *in_dev;
5202         struct vlan_group *vg;
5203         int i;
5204
5205         QETH_DBF_TEXT(trace,4,"admc6vl");
5206         if ( ((card->options.layer2 == 0) &&
5207               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5208              (card->vlangrp == NULL))
5209                 return ;
5210
5211         vg = card->vlangrp;
5212         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5213                 if (vg->vlan_devices[i] == NULL ||
5214                     !(vg->vlan_devices[i]->flags & IFF_UP))
5215                         continue;
5216                 in_dev = in6_dev_get(vg->vlan_devices[i]);
5217                 if (!in_dev)
5218                         continue;
5219                 read_lock(&in_dev->lock);
5220                 qeth_add_mc6(card,in_dev);
5221                 read_unlock(&in_dev->lock);
5222                 in6_dev_put(in_dev);
5223         }
5224 #endif /* CONFIG_QETH_VLAN */
5225 }
5226
5227 static void
5228 qeth_add_multicast_ipv6(struct qeth_card *card)
5229 {
5230         struct inet6_dev *in6_dev;
5231
5232         QETH_DBF_TEXT(trace,4,"chkmcv6");
5233         if (!qeth_is_supported(card, IPA_IPV6))
5234                 return ;
5235
5236         in6_dev = in6_dev_get(card->dev);
5237         if (in6_dev == NULL)
5238                 return;
5239         read_lock(&in6_dev->lock);
5240         qeth_add_mc6(card, in6_dev);
5241         qeth_add_vlan_mc6(card);
5242         read_unlock(&in6_dev->lock);
5243         in6_dev_put(in6_dev);
5244 }
5245 #endif /* CONFIG_QETH_IPV6 */
5246
5247 static int
5248 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5249                            enum qeth_ipa_cmds ipacmd)
5250 {
5251         struct qeth_ipa_cmd *cmd;
5252         struct qeth_cmd_buffer *iob;
5253
5254         QETH_DBF_TEXT(trace, 2, "L2sdmac");
5255         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5256         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5257         cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5258         memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5259         return qeth_send_ipa_cmd(card, iob, NULL, NULL);
5260 }
5261
5262
5263 static int
5264 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5265 {
5266         struct sockaddr *addr = p;
5267         struct qeth_card *card;
5268         int rc = 0;
5269
5270         QETH_DBF_TEXT(trace, 3, "setmac");
5271
5272         if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5273                 QETH_DBF_TEXT(trace, 3, "setmcINV");
5274                 return -EOPNOTSUPP;
5275         }
5276         card = (struct qeth_card *) dev->priv;
5277
5278         if (!card->options.layer2) {
5279                 PRINT_WARN("Setting MAC address on %s is not supported"
5280                            "in Layer 3 mode.\n", dev->name);
5281                 QETH_DBF_TEXT(trace, 3, "setmcLY3");
5282                 return -EOPNOTSUPP;
5283         }
5284         QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
5285         QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
5286         if (card->info.layer2_mac_registered)
5287                 rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
5288                                                 IPA_CMD_DELVMAC);
5289         if (rc) {
5290                 PRINT_WARN("Error in deregistering MAC address on " \
5291                            "device %s: x%x\n", CARD_BUS_ID(card), rc);
5292                 QETH_DBF_TEXT_(trace, 2, "err%d", rc);
5293                 return -EIO;
5294         }
5295         card->info.layer2_mac_registered = 0;
5296
5297         rc = qeth_layer2_send_setdelmac(card, addr->sa_data, IPA_CMD_SETVMAC);
5298         if (rc) {
5299                 PRINT_WARN("Error in registering MAC address on " \
5300                            "device %s: x%x\n", CARD_BUS_ID(card), rc);
5301                 QETH_DBF_TEXT_(trace, 2, "2err%d", rc);
5302                 return -EIO;
5303         }
5304         card->info.layer2_mac_registered = 1;
5305         memcpy(dev->dev_addr, addr->sa_data, OSA_ADDR_LEN);
5306         PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5307                    "successfully registered on device %s\n",
5308                    dev->dev_addr[0],dev->dev_addr[1],dev->dev_addr[2],
5309                    dev->dev_addr[3],dev->dev_addr[4],dev->dev_addr[5],
5310                    dev->name);
5311
5312         return rc;
5313 }
5314
5315 static void
5316 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
5317                         __u8 command, enum qeth_prot_versions prot)
5318 {
5319         memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
5320         cmd->hdr.command = command;
5321         cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
5322         cmd->hdr.seqno = card->seqno.ipa;
5323         cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
5324         cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
5325         if (card->options.layer2)
5326                 cmd->hdr.prim_version_no = 2;
5327         else
5328                 cmd->hdr.prim_version_no = 1;
5329         cmd->hdr.param_count = 1;
5330         cmd->hdr.prot_version = prot;
5331         cmd->hdr.ipa_supported = 0;
5332         cmd->hdr.ipa_enabled = 0;
5333 }
5334
5335 static struct qeth_cmd_buffer *
5336 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5337                        enum qeth_prot_versions prot)
5338 {
5339         struct qeth_cmd_buffer *iob;
5340         struct qeth_ipa_cmd *cmd;
5341
5342         iob = qeth_wait_for_buffer(&card->write);
5343         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5344         qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
5345
5346         return iob;
5347 }
5348
5349 static int
5350 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
5351 {
5352         int rc;
5353         struct qeth_cmd_buffer *iob;
5354         struct qeth_ipa_cmd *cmd;
5355
5356         QETH_DBF_TEXT(trace,4,"setdelmc");
5357
5358         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5359         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5360         memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
5361         if (addr->proto == QETH_PROT_IPV6)
5362                 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
5363                        sizeof(struct in6_addr));
5364         else
5365                 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
5366
5367         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5368
5369         return rc;
5370 }
5371 static inline void
5372 qeth_fill_netmask(u8 *netmask, unsigned int len)
5373 {
5374         int i,j;
5375         for (i=0;i<16;i++) {
5376                 j=(len)-(i*8);
5377                 if (j >= 8)
5378                         netmask[i] = 0xff;
5379                 else if (j > 0)
5380                         netmask[i] = (u8)(0xFF00>>j);
5381                 else
5382                         netmask[i] = 0;
5383         }
5384 }
5385
5386 static int
5387 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
5388                    int ipacmd, unsigned int flags)
5389 {
5390         int rc;
5391         struct qeth_cmd_buffer *iob;
5392         struct qeth_ipa_cmd *cmd;
5393         __u8 netmask[16];
5394
5395         QETH_DBF_TEXT(trace,4,"setdelip");
5396         QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
5397
5398         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5399         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5400         if (addr->proto == QETH_PROT_IPV6) {
5401                 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
5402                        sizeof(struct in6_addr));
5403                 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
5404                 memcpy(cmd->data.setdelip6.mask, netmask,
5405                        sizeof(struct in6_addr));
5406                 cmd->data.setdelip6.flags = flags;
5407         } else {
5408                 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
5409                 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
5410                 cmd->data.setdelip4.flags = flags;
5411         }
5412
5413         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5414
5415         return rc;
5416 }
5417
5418 static int
5419 qeth_layer2_register_addr_entry(struct qeth_card *card,
5420                                 struct qeth_ipaddr *addr)
5421 {
5422         int rc = 0;
5423
5424         if (!addr->is_multicast)
5425                 return 0;
5426
5427         QETH_DBF_TEXT(trace, 2, "setgmac");
5428         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5429         rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
5430                                         IPA_CMD_SETGMAC);
5431         if (rc)
5432                 PRINT_ERR("Could not set group MAC " \
5433                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5434                           addr->mac[0],addr->mac[1],addr->mac[2],
5435                           addr->mac[3],addr->mac[4],addr->mac[5],
5436                           card->info.if_name,rc);
5437         return rc;
5438 }
5439
5440 static int
5441 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
5442                                   struct qeth_ipaddr *addr)
5443 {
5444         int rc = 0;
5445
5446         if (!addr->is_multicast)
5447                 return 0;
5448
5449         QETH_DBF_TEXT(trace, 2, "delgmac");
5450         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5451         rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
5452                                         IPA_CMD_DELGMAC);
5453         if (rc)
5454                 PRINT_ERR("Could not delete group MAC " \
5455                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5456                           addr->mac[0],addr->mac[1],addr->mac[2],
5457                           addr->mac[3],addr->mac[4],addr->mac[5],
5458                           card->info.if_name,rc);
5459         return rc;
5460
5461 }
5462
5463 static int
5464 qeth_layer3_register_addr_entry(struct qeth_card *card,
5465                                 struct qeth_ipaddr *addr)
5466 {
5467         //char buf[50];
5468         int rc;
5469         int cnt = 3;
5470
5471         if (addr->proto == QETH_PROT_IPV4) {
5472                 QETH_DBF_TEXT(trace, 2,"setaddr4");
5473                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5474         } else if (addr->proto == QETH_PROT_IPV6) {
5475                 QETH_DBF_TEXT(trace, 2, "setaddr6");
5476                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5477                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5478         } else {
5479                 QETH_DBF_TEXT(trace, 2, "setaddr?");
5480                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5481         }
5482         do {
5483                 if (addr->is_multicast)
5484                         rc =  qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
5485                 else
5486                         rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
5487                                         addr->set_flags);
5488                 if (rc)
5489                         QETH_DBF_TEXT(trace, 2, "failed");
5490         } while ((--cnt > 0) && rc);
5491         if (rc){
5492                 QETH_DBF_TEXT(trace, 2, "FAILED");
5493                 /* TODO: re-activate this warning as soon as we have a
5494                  * clean mirco code
5495                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5496                 PRINT_WARN("Could not register IP address %s (rc=%x)\n",
5497                            buf, rc);
5498                 */
5499         }
5500         return rc;
5501 }
5502
5503 static int
5504 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
5505                                   struct qeth_ipaddr *addr)
5506 {
5507         //char buf[50];
5508         int rc;
5509
5510         if (addr->proto == QETH_PROT_IPV4) {
5511                 QETH_DBF_TEXT(trace, 2,"deladdr4");
5512                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5513         } else if (addr->proto == QETH_PROT_IPV6) {
5514                 QETH_DBF_TEXT(trace, 2, "deladdr6");
5515                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5516                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5517         } else {
5518                 QETH_DBF_TEXT(trace, 2, "deladdr?");
5519                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5520         }
5521         if (addr->is_multicast)
5522                 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
5523         else
5524                 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
5525                                         addr->del_flags);
5526         if (rc) {
5527                 QETH_DBF_TEXT(trace, 2, "failed");
5528                 /* TODO: re-activate this warning as soon as we have a
5529                  * clean mirco code
5530                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5531                 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
5532                            buf, rc);
5533                 */
5534         }
5535         return rc;
5536 }
5537
5538 static int
5539 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5540 {
5541         if (card->options.layer2)
5542                 return qeth_layer2_register_addr_entry(card, addr);
5543
5544         return qeth_layer3_register_addr_entry(card, addr);
5545 }
5546
5547 static int
5548 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5549 {
5550         if (card->options.layer2)
5551                 return qeth_layer2_deregister_addr_entry(card, addr);
5552
5553         return qeth_layer3_deregister_addr_entry(card, addr);
5554 }
5555
5556 static int
5557 qeth_netdev_init(struct net_device *dev)
5558 {
5559         struct qeth_card *card;
5560
5561         card = (struct qeth_card *) dev->priv;
5562
5563         QETH_DBF_TEXT(trace,3,"initdev");
5564
5565         dev->tx_timeout = &qeth_tx_timeout;
5566         dev->watchdog_timeo = QETH_TX_TIMEOUT;
5567         dev->open = qeth_open;
5568         dev->stop = qeth_stop;
5569         dev->hard_start_xmit = qeth_hard_start_xmit;
5570         dev->do_ioctl = qeth_do_ioctl;
5571         dev->get_stats = qeth_get_stats;
5572         dev->change_mtu = qeth_change_mtu;
5573         dev->neigh_setup = qeth_neigh_setup;
5574         dev->set_multicast_list = qeth_set_multicast_list;
5575 #ifdef CONFIG_QETH_VLAN
5576         dev->vlan_rx_register = qeth_vlan_rx_register;
5577         dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
5578         dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
5579 #endif
5580         if (qeth_get_netdev_flags(card) & IFF_NOARP) {
5581                 dev->rebuild_header = NULL;
5582                 dev->hard_header = NULL;
5583                 dev->header_cache_update = NULL;
5584                 dev->hard_header_cache = NULL;
5585         }
5586 #ifdef CONFIG_QETH_IPV6
5587         /*IPv6 address autoconfiguration stuff*/
5588         card->dev->dev_id = card->info.unique_id & 0xffff;
5589         if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
5590                 card->dev->generate_eui64 = qeth_ipv6_generate_eui64;
5591
5592
5593 #endif
5594         dev->hard_header_parse = NULL;
5595         dev->set_mac_address = qeth_layer2_set_mac_address;
5596         dev->flags |= qeth_get_netdev_flags(card);
5597         if ((card->options.fake_broadcast) ||
5598             (card->info.broadcast_capable))
5599                 dev->flags |= IFF_BROADCAST;
5600         dev->hard_header_len =
5601                         qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
5602         dev->addr_len = OSA_ADDR_LEN;
5603         dev->mtu = card->info.initial_mtu;
5604
5605         SET_MODULE_OWNER(dev);
5606         return 0;
5607 }
5608
5609 static void
5610 qeth_init_func_level(struct qeth_card *card)
5611 {
5612         if (card->ipato.enabled) {
5613                 if (card->info.type == QETH_CARD_TYPE_IQD)
5614                                 card->info.func_level =
5615                                         QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
5616                 else
5617                                 card->info.func_level =
5618                                         QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
5619         } else {
5620                 if (card->info.type == QETH_CARD_TYPE_IQD)
5621                         card->info.func_level =
5622                                 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
5623                 else
5624                         card->info.func_level =
5625                                 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
5626         }
5627 }
5628
5629 /**
5630  * hardsetup card, initialize MPC and QDIO stuff
5631  */
5632 static int
5633 qeth_hardsetup_card(struct qeth_card *card)
5634 {
5635         int retries = 3;
5636         int rc;
5637
5638         QETH_DBF_TEXT(setup, 2, "hrdsetup");
5639
5640 retry:
5641         if (retries < 3){
5642                 PRINT_WARN("Retrying to do IDX activates.\n");
5643                 ccw_device_set_offline(CARD_DDEV(card));
5644                 ccw_device_set_offline(CARD_WDEV(card));
5645                 ccw_device_set_offline(CARD_RDEV(card));
5646                 ccw_device_set_online(CARD_RDEV(card));
5647                 ccw_device_set_online(CARD_WDEV(card));
5648                 ccw_device_set_online(CARD_DDEV(card));
5649         }
5650         rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE);
5651         if (rc == -ERESTARTSYS) {
5652                 QETH_DBF_TEXT(setup, 2, "break1");
5653                 return rc;
5654         } else if (rc) {
5655                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
5656                 if (--retries < 0)
5657                         goto out;
5658                 else
5659                         goto retry;
5660         }
5661         if ((rc = qeth_get_unitaddr(card))){
5662                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
5663                 return rc;
5664         }
5665         qeth_init_tokens(card);
5666         qeth_init_func_level(card);
5667         rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
5668         if (rc == -ERESTARTSYS) {
5669                 QETH_DBF_TEXT(setup, 2, "break2");
5670                 return rc;
5671         } else if (rc) {
5672                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
5673                 if (--retries < 0)
5674                         goto out;
5675                 else
5676                         goto retry;
5677         }
5678         rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
5679         if (rc == -ERESTARTSYS) {
5680                 QETH_DBF_TEXT(setup, 2, "break3");
5681                 return rc;
5682         } else if (rc) {
5683                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
5684                 if (--retries < 0)
5685                         goto out;
5686                 else
5687                         goto retry;
5688         }
5689         if ((rc = qeth_mpc_initialize(card))){
5690                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
5691                 goto out;
5692         }
5693         /* at first set_online allocate netdev */
5694         if (!card->dev){
5695                 card->dev = qeth_get_netdevice(card->info.type,
5696                                                card->info.link_type);
5697                 if (!card->dev){
5698                         qeth_qdio_clear_card(card, card->info.type ==
5699                                              QETH_CARD_TYPE_OSAE);
5700                         rc = -ENODEV;
5701                         QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
5702                         goto out;
5703                 }
5704                 card->dev->priv = card;
5705                 card->dev->type = qeth_get_arphdr_type(card->info.type,
5706                                                        card->info.link_type);
5707                 card->dev->init = qeth_netdev_init;
5708         }
5709         return 0;
5710 out:
5711         PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
5712         return rc;
5713 }
5714
5715 static int
5716 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5717                             unsigned long data)
5718 {
5719         struct qeth_ipa_cmd *cmd;
5720
5721         QETH_DBF_TEXT(trace,4,"defadpcb");
5722
5723         cmd = (struct qeth_ipa_cmd *) data;
5724         if (cmd->hdr.return_code == 0){
5725                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
5726                 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
5727                         card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5728 #ifdef CONFIG_QETH_IPV6
5729                 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
5730                         card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
5731 #endif
5732         }
5733         if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
5734             cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
5735                 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
5736                 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
5737         }
5738         return 0;
5739 }
5740
5741 static int
5742 qeth_default_setadapterparms_cb(struct qeth_card *card,
5743                                 struct qeth_reply *reply,
5744                                 unsigned long data)
5745 {
5746         struct qeth_ipa_cmd *cmd;
5747
5748         QETH_DBF_TEXT(trace,4,"defadpcb");
5749
5750         cmd = (struct qeth_ipa_cmd *) data;
5751         if (cmd->hdr.return_code == 0)
5752                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
5753         return 0;
5754 }
5755
5756 static int
5757 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5758                               unsigned long data)
5759 {
5760         struct qeth_ipa_cmd *cmd;
5761
5762         QETH_DBF_TEXT(trace,3,"quyadpcb");
5763
5764         cmd = (struct qeth_ipa_cmd *) data;
5765         if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
5766                 card->info.link_type =
5767                       cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
5768         card->options.adp.supported_funcs =
5769                 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
5770         return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5771 }
5772
5773 static int
5774 qeth_query_setadapterparms(struct qeth_card *card)
5775 {
5776         int rc;
5777         struct qeth_cmd_buffer *iob;
5778
5779         QETH_DBF_TEXT(trace,3,"queryadp");
5780         iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
5781                                    sizeof(struct qeth_ipacmd_setadpparms));
5782         rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
5783         return rc;
5784 }
5785
5786 static int
5787 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
5788                                    struct qeth_reply *reply,
5789                                    unsigned long data)
5790 {
5791         struct qeth_ipa_cmd *cmd;
5792
5793         QETH_DBF_TEXT(trace,4,"chgmaccb");
5794
5795         cmd = (struct qeth_ipa_cmd *) data;
5796         memcpy(card->dev->dev_addr,
5797                &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN);
5798         qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
5799         return 0;
5800 }
5801
5802 static int
5803 qeth_setadpparms_change_macaddr(struct qeth_card *card)
5804 {
5805         int rc;
5806         struct qeth_cmd_buffer *iob;
5807         struct qeth_ipa_cmd *cmd;
5808
5809         QETH_DBF_TEXT(trace,4,"chgmac");
5810
5811         iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
5812                                    sizeof(struct qeth_ipacmd_setadpparms));
5813         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5814         cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
5815         cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
5816         memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
5817                card->dev->dev_addr, OSA_ADDR_LEN);
5818         rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
5819                                NULL);
5820         return rc;
5821 }
5822
5823 static int
5824 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
5825 {
5826         int rc;
5827         struct qeth_cmd_buffer *iob;
5828         struct qeth_ipa_cmd *cmd;
5829
5830         QETH_DBF_TEXT(trace,4,"adpmode");
5831
5832         iob = qeth_get_adapter_cmd(card, command,
5833                                    sizeof(struct qeth_ipacmd_setadpparms));
5834         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5835         cmd->data.setadapterparms.data.mode = mode;
5836         rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
5837                                NULL);
5838         return rc;
5839 }
5840
5841 static inline int
5842 qeth_setadapter_hstr(struct qeth_card *card)
5843 {
5844         int rc;
5845
5846         QETH_DBF_TEXT(trace,4,"adphstr");
5847
5848         if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
5849                 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
5850                                            card->options.broadcast_mode);
5851                 if (rc)
5852                         PRINT_WARN("couldn't set broadcast mode on "
5853                                    "device %s: x%x\n",
5854                                    CARD_BUS_ID(card), rc);
5855                 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
5856                                            card->options.macaddr_mode);
5857                 if (rc)
5858                         PRINT_WARN("couldn't set macaddr mode on "
5859                                    "device %s: x%x\n", CARD_BUS_ID(card), rc);
5860                 return rc;
5861         }
5862         if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
5863                 PRINT_WARN("set adapter parameters not available "
5864                            "to set broadcast mode, using ALLRINGS "
5865                            "on device %s:\n", CARD_BUS_ID(card));
5866         if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
5867                 PRINT_WARN("set adapter parameters not available "
5868                            "to set macaddr mode, using NONCANONICAL "
5869                            "on device %s:\n", CARD_BUS_ID(card));
5870         return 0;
5871 }
5872
5873 static int
5874 qeth_setadapter_parms(struct qeth_card *card)
5875 {
5876         int rc;
5877
5878         QETH_DBF_TEXT(setup, 2, "setadprm");
5879
5880         if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
5881                 PRINT_WARN("set adapter parameters not supported "
5882                            "on device %s.\n",
5883                            CARD_BUS_ID(card));
5884                 QETH_DBF_TEXT(setup, 2, " notsupp");
5885                 return 0;
5886         }
5887         rc = qeth_query_setadapterparms(card);
5888         if (rc) {
5889                 PRINT_WARN("couldn't set adapter parameters on device %s: "
5890                            "x%x\n", CARD_BUS_ID(card), rc);
5891                 return rc;
5892         }
5893         if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
5894                 rc = qeth_setadpparms_change_macaddr(card);
5895                 if (rc)
5896                         PRINT_WARN("couldn't get MAC address on "
5897                                    "device %s: x%x\n",
5898                                    CARD_BUS_ID(card), rc);
5899         }
5900
5901         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
5902             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
5903                 rc = qeth_setadapter_hstr(card);
5904
5905         return rc;
5906 }
5907
5908 static int
5909 qeth_layer2_initialize(struct qeth_card *card)
5910 {
5911         int rc = 0;
5912
5913
5914         QETH_DBF_TEXT(setup, 2, "doL2init");
5915         QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
5916
5917         rc = qeth_setadpparms_change_macaddr(card);
5918         if (rc) {
5919                 PRINT_WARN("couldn't get MAC address on "
5920                            "device %s: x%x\n",
5921                            CARD_BUS_ID(card), rc);
5922                 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
5923                 return rc;
5924         }
5925         QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
5926
5927         rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
5928                                         IPA_CMD_SETVMAC);
5929         if (rc) {
5930                 card->info.layer2_mac_registered = 0;
5931                 PRINT_WARN("Error in processing MAC address on " \
5932                            "device %s: x%x\n",CARD_BUS_ID(card),rc);
5933                 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
5934         } else
5935                 card->info.layer2_mac_registered = 1;
5936         return 0;
5937 }
5938
5939
5940 static int
5941 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5942                        enum qeth_prot_versions prot)
5943 {
5944         int rc;
5945         struct qeth_cmd_buffer *iob;
5946
5947         iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
5948         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5949
5950         return rc;
5951 }
5952
5953 static int
5954 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
5955 {
5956         int rc;
5957
5958         QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
5959
5960         rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
5961         return rc;
5962 }
5963
5964 static int
5965 qeth_send_stoplan(struct qeth_card *card)
5966 {
5967         int rc = 0;
5968
5969         /*
5970          * TODO: according to the IPA format document page 14,
5971          * TCP/IP (we!) never issue a STOPLAN
5972          * is this right ?!?
5973          */
5974         QETH_DBF_TEXT(trace, 2, "stoplan");
5975
5976         rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
5977         return rc;
5978 }
5979
5980 static int
5981 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
5982                         unsigned long data)
5983 {
5984         struct qeth_ipa_cmd *cmd;
5985
5986         QETH_DBF_TEXT(setup, 2, "qipasscb");
5987
5988         cmd = (struct qeth_ipa_cmd *) data;
5989         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
5990                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
5991                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5992         } else {
5993 #ifdef CONFIG_QETH_IPV6
5994                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
5995                 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
5996 #endif
5997         }
5998         return 0;
5999 }
6000
6001 static int
6002 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6003 {
6004         int rc;
6005         struct qeth_cmd_buffer *iob;
6006
6007         QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6008         if (card->options.layer2) {
6009                 QETH_DBF_TEXT(setup, 2, "noprmly2");
6010                 return -EPERM;
6011         }
6012
6013         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6014         rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6015         return rc;
6016 }
6017
6018 static struct qeth_cmd_buffer *
6019 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6020                          __u16 cmd_code, __u16 len,
6021                          enum qeth_prot_versions prot)
6022 {
6023         struct qeth_cmd_buffer *iob;
6024         struct qeth_ipa_cmd *cmd;
6025
6026         QETH_DBF_TEXT(trace,4,"getasscm");
6027         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6028
6029         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6030         cmd->data.setassparms.hdr.assist_no = ipa_func;
6031         cmd->data.setassparms.hdr.length = 8 + len;
6032         cmd->data.setassparms.hdr.command_code = cmd_code;
6033         cmd->data.setassparms.hdr.return_code = 0;
6034         cmd->data.setassparms.hdr.seq_no = 0;
6035
6036         return iob;
6037 }
6038
6039 static int
6040 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6041                       __u16 len, long data,
6042                       int (*reply_cb)
6043                       (struct qeth_card *,struct qeth_reply *,unsigned long),
6044                       void *reply_param)
6045 {
6046         int rc;
6047         struct qeth_ipa_cmd *cmd;
6048
6049         QETH_DBF_TEXT(trace,4,"sendassp");
6050
6051         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6052         if (len <= sizeof(__u32))
6053                 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6054         else if (len > sizeof(__u32))
6055                 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6056
6057         rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6058         return rc;
6059 }
6060
6061 #ifdef CONFIG_QETH_IPV6
6062 static int
6063 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6064                                   enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6065
6066 {
6067         int rc;
6068         struct qeth_cmd_buffer *iob;
6069
6070         QETH_DBF_TEXT(trace,4,"simassp6");
6071         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6072                                        0, QETH_PROT_IPV6);
6073         rc = qeth_send_setassparms(card, iob, 0, 0,
6074                                    qeth_default_setassparms_cb, NULL);
6075         return rc;
6076 }
6077 #endif
6078
6079 static int
6080 qeth_send_simple_setassparms(struct qeth_card *card,
6081                              enum qeth_ipa_funcs ipa_func,
6082                              __u16 cmd_code, long data)
6083 {
6084         int rc;
6085         int length = 0;
6086         struct qeth_cmd_buffer *iob;
6087
6088         QETH_DBF_TEXT(trace,4,"simassp4");
6089         if (data)
6090                 length = sizeof(__u32);
6091         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6092                                        length, QETH_PROT_IPV4);
6093         rc = qeth_send_setassparms(card, iob, length, data,
6094                                    qeth_default_setassparms_cb, NULL);
6095         return rc;
6096 }
6097
6098 static inline int
6099 qeth_start_ipa_arp_processing(struct qeth_card *card)
6100 {
6101         int rc;
6102
6103         QETH_DBF_TEXT(trace,3,"ipaarp");
6104
6105         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6106                 PRINT_WARN("ARP processing not supported "
6107                            "on %s!\n", card->info.if_name);
6108                 return 0;
6109         }
6110         rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6111                                           IPA_CMD_ASS_START, 0);
6112         if (rc) {
6113                 PRINT_WARN("Could not start ARP processing "
6114                            "assist on %s: 0x%x\n",
6115                            card->info.if_name, rc);
6116         }
6117         return rc;
6118 }
6119
6120 static int
6121 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6122 {
6123         int rc;
6124
6125         QETH_DBF_TEXT(trace,3,"ipaipfrg");
6126
6127         if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6128                 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6129                            card->info.if_name);
6130                 return  -EOPNOTSUPP;
6131         }
6132
6133         rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6134                                           IPA_CMD_ASS_START, 0);
6135         if (rc) {
6136                 PRINT_WARN("Could not start Hardware IP fragmentation "
6137                            "assist on %s: 0x%x\n",
6138                            card->info.if_name, rc);
6139         } else
6140                 PRINT_INFO("Hardware IP fragmentation enabled \n");
6141         return rc;
6142 }
6143
6144 static int
6145 qeth_start_ipa_source_mac(struct qeth_card *card)
6146 {
6147         int rc;
6148
6149         QETH_DBF_TEXT(trace,3,"stsrcmac");
6150
6151         if (!card->options.fake_ll)
6152                 return -EOPNOTSUPP;
6153
6154         if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6155                 PRINT_INFO("Inbound source address not "
6156                            "supported on %s\n", card->info.if_name);
6157                 return -EOPNOTSUPP;
6158         }
6159
6160         rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6161                                           IPA_CMD_ASS_START, 0);
6162         if (rc)
6163                 PRINT_WARN("Could not start inbound source "
6164                            "assist on %s: 0x%x\n",
6165                            card->info.if_name, rc);
6166         return rc;
6167 }
6168
6169 static int
6170 qeth_start_ipa_vlan(struct qeth_card *card)
6171 {
6172         int rc = 0;
6173
6174         QETH_DBF_TEXT(trace,3,"strtvlan");
6175
6176 #ifdef CONFIG_QETH_VLAN
6177         if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6178                 PRINT_WARN("VLAN not supported on %s\n", card->info.if_name);
6179                 return -EOPNOTSUPP;
6180         }
6181
6182         rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6183                                           IPA_CMD_ASS_START,0);
6184         if (rc) {
6185                 PRINT_WARN("Could not start vlan "
6186                            "assist on %s: 0x%x\n",
6187                            card->info.if_name, rc);
6188         } else {
6189                 PRINT_INFO("VLAN enabled \n");
6190                 card->dev->features |=
6191                         NETIF_F_HW_VLAN_FILTER |
6192                         NETIF_F_HW_VLAN_TX |
6193                         NETIF_F_HW_VLAN_RX;
6194         }
6195 #endif /* QETH_VLAN */
6196         return rc;
6197 }
6198
6199 static int
6200 qeth_start_ipa_multicast(struct qeth_card *card)
6201 {
6202         int rc;
6203
6204         QETH_DBF_TEXT(trace,3,"stmcast");
6205
6206         if (!qeth_is_supported(card, IPA_MULTICASTING)) {
6207                 PRINT_WARN("Multicast not supported on %s\n",
6208                            card->info.if_name);
6209                 return -EOPNOTSUPP;
6210         }
6211
6212         rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
6213                                           IPA_CMD_ASS_START,0);
6214         if (rc) {
6215                 PRINT_WARN("Could not start multicast "
6216                            "assist on %s: rc=%i\n",
6217                            card->info.if_name, rc);
6218         } else {
6219                 PRINT_INFO("Multicast enabled\n");
6220                 card->dev->flags |= IFF_MULTICAST;
6221         }
6222         return rc;
6223 }
6224
6225 #ifdef CONFIG_QETH_IPV6
6226 static int
6227 qeth_softsetup_ipv6(struct qeth_card *card)
6228 {
6229         int rc;
6230
6231         QETH_DBF_TEXT(trace,3,"softipv6");
6232
6233         netif_stop_queue(card->dev);
6234         rc = qeth_send_startlan(card, QETH_PROT_IPV6);
6235         if (rc) {
6236                 PRINT_ERR("IPv6 startlan failed on %s\n",
6237                           card->info.if_name);
6238                 return rc;
6239         }
6240         netif_wake_queue(card->dev);
6241         rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
6242         if (rc) {
6243                 PRINT_ERR("IPv6 query ipassist failed on %s\n",
6244                           card->info.if_name);
6245                 return rc;
6246         }
6247         rc = qeth_send_simple_setassparms(card, IPA_IPV6,
6248                                           IPA_CMD_ASS_START, 3);
6249         if (rc) {
6250                 PRINT_WARN("IPv6 start assist (version 4) failed "
6251                            "on %s: 0x%x\n",
6252                            card->info.if_name, rc);
6253                 return rc;
6254         }
6255         rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
6256                                                IPA_CMD_ASS_START);
6257         if (rc) {
6258                 PRINT_WARN("IPV6 start assist (version 6) failed  "
6259                            "on %s: 0x%x\n",
6260                            card->info.if_name, rc);
6261                 return rc;
6262         }
6263         rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
6264                                                IPA_CMD_ASS_START);
6265         if (rc) {
6266                 PRINT_WARN("Could not enable passthrough "
6267                            "on %s: 0x%x\n",
6268                            card->info.if_name, rc);
6269                 return rc;
6270         }
6271         PRINT_INFO("IPV6 enabled \n");
6272         return 0;
6273 }
6274
6275 #endif
6276
6277 static int
6278 qeth_start_ipa_ipv6(struct qeth_card *card)
6279 {
6280         int rc = 0;
6281 #ifdef CONFIG_QETH_IPV6
6282         QETH_DBF_TEXT(trace,3,"strtipv6");
6283
6284         if (!qeth_is_supported(card, IPA_IPV6)) {
6285                 PRINT_WARN("IPv6 not supported on %s\n",
6286                            card->info.if_name);
6287                 return 0;
6288         }
6289         rc = qeth_softsetup_ipv6(card);
6290 #endif
6291         return rc ;
6292 }
6293
6294 static int
6295 qeth_start_ipa_broadcast(struct qeth_card *card)
6296 {
6297         int rc;
6298
6299         QETH_DBF_TEXT(trace,3,"stbrdcst");
6300         card->info.broadcast_capable = 0;
6301         if (!qeth_is_supported(card, IPA_FILTERING)) {
6302                 PRINT_WARN("Broadcast not supported on %s\n",
6303                            card->info.if_name);
6304                 rc = -EOPNOTSUPP;
6305                 goto out;
6306         }
6307         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6308                                           IPA_CMD_ASS_START, 0);
6309         if (rc) {
6310                 PRINT_WARN("Could not enable broadcasting filtering "
6311                            "on %s: 0x%x\n",
6312                            card->info.if_name, rc);
6313                 goto out;
6314         }
6315
6316         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6317                                           IPA_CMD_ASS_CONFIGURE, 1);
6318         if (rc) {
6319                 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
6320                            card->info.if_name, rc);
6321                 goto out;
6322         }
6323         card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
6324         PRINT_INFO("Broadcast enabled \n");
6325         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6326                                           IPA_CMD_ASS_ENABLE, 1);
6327         if (rc) {
6328                 PRINT_WARN("Could not set up broadcast echo filtering on "
6329                            "%s: 0x%x\n", card->info.if_name, rc);
6330                 goto out;
6331         }
6332         card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
6333 out:
6334         if (card->info.broadcast_capable)
6335                 card->dev->flags |= IFF_BROADCAST;
6336         else
6337                 card->dev->flags &= ~IFF_BROADCAST;
6338         return rc;
6339 }
6340
6341 static int
6342 qeth_send_checksum_command(struct qeth_card *card)
6343 {
6344         int rc;
6345
6346         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6347                                           IPA_CMD_ASS_START, 0);
6348         if (rc) {
6349                 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
6350                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6351                            card->info.if_name, rc);
6352                 return rc;
6353         }
6354         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6355                                           IPA_CMD_ASS_ENABLE,
6356                                           card->info.csum_mask);
6357         if (rc) {
6358                 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
6359                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6360                            card->info.if_name, rc);
6361                 return rc;
6362         }
6363         return 0;
6364 }
6365
6366 static int
6367 qeth_start_ipa_checksum(struct qeth_card *card)
6368 {
6369         int rc = 0;
6370
6371         QETH_DBF_TEXT(trace,3,"strtcsum");
6372
6373         if (card->options.checksum_type == NO_CHECKSUMMING) {
6374                 PRINT_WARN("Using no checksumming on %s.\n",
6375                            card->info.if_name);
6376                 return 0;
6377         }
6378         if (card->options.checksum_type == SW_CHECKSUMMING) {
6379                 PRINT_WARN("Using SW checksumming on %s.\n",
6380                            card->info.if_name);
6381                 return 0;
6382         }
6383         if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
6384                 PRINT_WARN("Inbound HW Checksumming not "
6385                            "supported on %s,\ncontinuing "
6386                            "using Inbound SW Checksumming\n",
6387                            card->info.if_name);
6388                 card->options.checksum_type = SW_CHECKSUMMING;
6389                 return 0;
6390         }
6391         rc = qeth_send_checksum_command(card);
6392         if (!rc) {
6393                 PRINT_INFO("HW Checksumming (inbound) enabled \n");
6394         }
6395         return rc;
6396 }
6397
6398 /*
6399 static inline void
6400 qeth_print_ipassist_status(struct qeth_card *card)
6401 {
6402         char buf[255];
6403         int offset = 0;
6404
6405         offset += sprintf(buf, "IPAssist options of %s: ", card->info.if_name);
6406         if (qeth_is_enabled(card, IPA_ARP_PROCESSING))
6407                 offset += sprintf(buf+offset, "ARP ");
6408         if (qeth_is_enabled(card, IPA_IP_FRAGMENTATION))
6409                 offset += sprintf(buf+offset, "IP_FRAG");
6410         if (qeth_is_enabled(card, IPA_SOURCE_MAC))
6411                 offset += sprintf(buf+offset, "SRC_MAC");
6412         if (qeth_is_enabled(card, IPA_FULL_VLAN))
6413                 offset += sprintf(buf+offset, "VLAN");
6414         if (qeth_is_enabled(card, IPA_VLAN_PRIO))
6415                 offset += sprintf(buf+offset, "VLAN_PRIO");
6416 }
6417 */
6418
6419 static int
6420 qeth_start_ipassists(struct qeth_card *card)
6421 {
6422         QETH_DBF_TEXT(trace,3,"strtipas");
6423         qeth_start_ipa_arp_processing(card);    /* go on*/
6424         qeth_start_ipa_ip_fragmentation(card);  /* go on*/
6425         qeth_start_ipa_source_mac(card);        /* go on*/
6426         qeth_start_ipa_vlan(card);              /* go on*/
6427         qeth_start_ipa_multicast(card);         /* go on*/
6428         qeth_start_ipa_ipv6(card);              /* go on*/
6429         qeth_start_ipa_broadcast(card);         /* go on*/
6430         qeth_start_ipa_checksum(card);          /* go on*/
6431         return 0;
6432 }
6433
6434 static int
6435 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
6436                      enum qeth_prot_versions prot)
6437 {
6438         int rc;
6439         struct qeth_ipa_cmd *cmd;
6440         struct qeth_cmd_buffer *iob;
6441
6442         QETH_DBF_TEXT(trace,4,"setroutg");
6443         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
6444         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6445         cmd->data.setrtg.type = (type);
6446         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6447
6448         return rc;
6449
6450 }
6451
6452 static void
6453 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
6454                         enum qeth_prot_versions prot)
6455 {
6456         if (card->info.type == QETH_CARD_TYPE_IQD) {
6457                 switch (*type) {
6458                 case NO_ROUTER:
6459                 case PRIMARY_CONNECTOR:
6460                 case SECONDARY_CONNECTOR:
6461                 case MULTICAST_ROUTER:
6462                         return;
6463                 default:
6464                         goto out_inval;
6465                 }
6466         } else {
6467                 switch (*type) {
6468                 case NO_ROUTER:
6469                 case PRIMARY_ROUTER:
6470                 case SECONDARY_ROUTER:
6471                         return;
6472                 case MULTICAST_ROUTER:
6473                         if (qeth_is_ipafunc_supported(card, prot,
6474                                                       IPA_OSA_MC_ROUTER))
6475                                 return;
6476                 default:
6477                         goto out_inval;
6478                 }
6479         }
6480 out_inval:
6481         PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
6482                    "Router status set to 'no router'.\n",
6483                    ((*type == PRIMARY_ROUTER)? "primary router" :
6484                     (*type == SECONDARY_ROUTER)? "secondary router" :
6485                     (*type == PRIMARY_CONNECTOR)? "primary connector" :
6486                     (*type == SECONDARY_CONNECTOR)? "secondary connector" :
6487                     (*type == MULTICAST_ROUTER)? "multicast router" :
6488                     "unknown"),
6489                    card->dev->name);
6490         *type = NO_ROUTER;
6491 }
6492
6493 int
6494 qeth_setrouting_v4(struct qeth_card *card)
6495 {
6496         int rc;
6497
6498         QETH_DBF_TEXT(trace,3,"setrtg4");
6499
6500         qeth_correct_routing_type(card, &card->options.route4.type,
6501                                   QETH_PROT_IPV4);
6502
6503         rc = qeth_send_setrouting(card, card->options.route4.type,
6504                                   QETH_PROT_IPV4);
6505         if (rc) {
6506                 card->options.route4.type = NO_ROUTER;
6507                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
6508                            "Type set to 'no router'.\n",
6509                            rc, card->info.if_name);
6510         }
6511         return rc;
6512 }
6513
6514 int
6515 qeth_setrouting_v6(struct qeth_card *card)
6516 {
6517         int rc = 0;
6518
6519         QETH_DBF_TEXT(trace,3,"setrtg6");
6520 #ifdef CONFIG_QETH_IPV6
6521
6522         qeth_correct_routing_type(card, &card->options.route6.type,
6523                                   QETH_PROT_IPV6);
6524
6525         if ((card->options.route6.type == NO_ROUTER) ||
6526             ((card->info.type == QETH_CARD_TYPE_OSAE) &&
6527              (card->options.route6.type == MULTICAST_ROUTER) &&
6528              !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
6529                 return 0;
6530         rc = qeth_send_setrouting(card, card->options.route6.type,
6531                                   QETH_PROT_IPV6);
6532         if (rc) {
6533                 card->options.route6.type = NO_ROUTER;
6534                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
6535                            "Type set to 'no router'.\n",
6536                            rc, card->info.if_name);
6537         }
6538 #endif
6539         return rc;
6540 }
6541
6542 /*
6543  * softsetup card: init IPA stuff
6544  */
6545 static int
6546 qeth_softsetup_card(struct qeth_card *card)
6547 {
6548         int rc;
6549
6550         QETH_DBF_TEXT(setup, 2, "softsetp");
6551
6552         if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
6553                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6554                 if (rc == 0xe080){
6555                         PRINT_WARN("LAN on card %s if offline! "
6556                                    "Continuing softsetup.\n",
6557                                    CARD_BUS_ID(card));
6558                         card->lan_online = 0;
6559                 } else
6560                         return rc;
6561         } else
6562                 card->lan_online = 1;
6563         if (card->options.layer2) {
6564                 card->dev->features |=
6565                         NETIF_F_HW_VLAN_FILTER |
6566                         NETIF_F_HW_VLAN_TX |
6567                         NETIF_F_HW_VLAN_RX;
6568                 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
6569                 card->info.broadcast_capable=1;
6570                 if ((rc = qeth_layer2_initialize(card))) {
6571                         QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
6572                         return rc;
6573                 }
6574 #ifdef CONFIG_QETH_VLAN
6575                 qeth_layer2_process_vlans(card, 0);
6576 #endif
6577                 goto out;
6578         }
6579         if ((rc = qeth_setadapter_parms(card)))
6580                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6581         if ((rc = qeth_start_ipassists(card)))
6582                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6583         if ((rc = qeth_setrouting_v4(card)))
6584                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6585         if ((rc = qeth_setrouting_v6(card)))
6586                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6587 out:
6588         netif_stop_queue(card->dev);
6589         return 0;
6590 }
6591
6592 #ifdef CONFIG_QETH_IPV6
6593 static int
6594 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
6595                       unsigned long data)
6596 {
6597         struct qeth_ipa_cmd *cmd;
6598
6599         cmd = (struct qeth_ipa_cmd *) data;
6600         if (cmd->hdr.return_code == 0)
6601                 card->info.unique_id = *((__u16 *)
6602                                 &cmd->data.create_destroy_addr.unique_id[6]);
6603         else {
6604                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6605                                         UNIQUE_ID_NOT_BY_CARD;
6606                 PRINT_WARN("couldn't get a unique id from the card on device "
6607                            "%s (result=x%x), using default id. ipv6 "
6608                            "autoconfig on other lpars may lead to duplicate "
6609                            "ip addresses. please use manually "
6610                            "configured ones.\n",
6611                            CARD_BUS_ID(card), cmd->hdr.return_code);
6612         }
6613         return 0;
6614 }
6615 #endif
6616
6617 static int
6618 qeth_put_unique_id(struct qeth_card *card)
6619 {
6620
6621         int rc = 0;
6622 #ifdef CONFIG_QETH_IPV6
6623         struct qeth_cmd_buffer *iob;
6624         struct qeth_ipa_cmd *cmd;
6625
6626         QETH_DBF_TEXT(trace,2,"puniqeid");
6627
6628         if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
6629                 UNIQUE_ID_NOT_BY_CARD)
6630                 return -1;
6631         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
6632                                      QETH_PROT_IPV6);
6633         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6634         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6635                             card->info.unique_id;
6636         memcpy(&cmd->data.create_destroy_addr.unique_id[0],
6637                card->dev->dev_addr, OSA_ADDR_LEN);
6638         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6639 #else
6640         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6641                                 UNIQUE_ID_NOT_BY_CARD;
6642 #endif
6643         return rc;
6644 }
6645
6646 /**
6647  * Clear IP List
6648  */
6649 static void
6650 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
6651 {
6652         struct qeth_ipaddr *addr, *tmp;
6653         unsigned long flags;
6654
6655         QETH_DBF_TEXT(trace,4,"clearip");
6656         spin_lock_irqsave(&card->ip_lock, flags);
6657         /* clear todo list */
6658         list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
6659                 list_del(&addr->entry);
6660                 kfree(addr);
6661         }
6662
6663         while (!list_empty(&card->ip_list)) {
6664                 addr = list_entry(card->ip_list.next,
6665                                   struct qeth_ipaddr, entry);
6666                 list_del_init(&addr->entry);
6667                 if (clean) {
6668                         spin_unlock_irqrestore(&card->ip_lock, flags);
6669                         qeth_deregister_addr_entry(card, addr);
6670                         spin_lock_irqsave(&card->ip_lock, flags);
6671                 }
6672                 if (!recover || addr->is_multicast) {
6673                         kfree(addr);
6674                         continue;
6675                 }
6676                 list_add_tail(&addr->entry, card->ip_tbd_list);
6677         }
6678         spin_unlock_irqrestore(&card->ip_lock, flags);
6679 }
6680
6681 static void
6682 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
6683                          int clear_start_mask)
6684 {
6685         unsigned long flags;
6686
6687         spin_lock_irqsave(&card->thread_mask_lock, flags);
6688         card->thread_allowed_mask = threads;
6689         if (clear_start_mask)
6690                 card->thread_start_mask &= threads;
6691         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6692         wake_up(&card->wait_q);
6693 }
6694
6695 static inline int
6696 qeth_threads_running(struct qeth_card *card, unsigned long threads)
6697 {
6698         unsigned long flags;
6699         int rc = 0;
6700
6701         spin_lock_irqsave(&card->thread_mask_lock, flags);
6702         rc = (card->thread_running_mask & threads);
6703         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6704         return rc;
6705 }
6706
6707 static int
6708 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
6709 {
6710         return wait_event_interruptible(card->wait_q,
6711                         qeth_threads_running(card, threads) == 0);
6712 }
6713
6714 static int
6715 qeth_stop_card(struct qeth_card *card)
6716 {
6717         int rc = 0;
6718
6719         QETH_DBF_TEXT(setup ,2,"stopcard");
6720         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6721
6722         qeth_set_allowed_threads(card, 0, 1);
6723         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
6724                 return -ERESTARTSYS;
6725         if (card->read.state == CH_STATE_UP &&
6726             card->write.state == CH_STATE_UP &&
6727             (card->state == CARD_STATE_UP)) {
6728                 rtnl_lock();
6729                 dev_close(card->dev);
6730                 rtnl_unlock();
6731                 if (!card->use_hard_stop) {
6732                         __u8 *mac = &card->dev->dev_addr[0];
6733                         if ((rc = qeth_layer2_send_setdelmac(card, mac,
6734                                                             IPA_CMD_DELVMAC)));
6735                                 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
6736                         if ((rc = qeth_send_stoplan(card)))
6737                                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6738                 }
6739                 card->state = CARD_STATE_SOFTSETUP;
6740         }
6741         if (card->state == CARD_STATE_SOFTSETUP) {
6742 #ifdef CONFIG_QETH_VLAN
6743                 if (card->options.layer2)
6744                         qeth_layer2_process_vlans(card, 1);
6745 #endif
6746                 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
6747                 qeth_clear_ipacmd_list(card);
6748                 card->state = CARD_STATE_HARDSETUP;
6749         }
6750         if (card->state == CARD_STATE_HARDSETUP) {
6751                 if ((!card->use_hard_stop) &&
6752                     (!card->options.layer2))
6753                         if ((rc = qeth_put_unique_id(card)))
6754                                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6755                 qeth_qdio_clear_card(card, 0);
6756                 qeth_clear_qdio_buffers(card);
6757                 qeth_clear_working_pool_list(card);
6758                 card->state = CARD_STATE_DOWN;
6759         }
6760         if (card->state == CARD_STATE_DOWN) {
6761                 qeth_clear_cmd_buffers(&card->read);
6762                 qeth_clear_cmd_buffers(&card->write);
6763         }
6764         card->use_hard_stop = 0;
6765         return rc;
6766 }
6767
6768
6769 static int
6770 qeth_get_unique_id(struct qeth_card *card)
6771 {
6772         int rc = 0;
6773 #ifdef CONFIG_QETH_IPV6
6774         struct qeth_cmd_buffer *iob;
6775         struct qeth_ipa_cmd *cmd;
6776
6777         QETH_DBF_TEXT(setup, 2, "guniqeid");
6778
6779         if (!qeth_is_supported(card,IPA_IPV6)) {
6780                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6781                                         UNIQUE_ID_NOT_BY_CARD;
6782                 return 0;
6783         }
6784
6785         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
6786                                      QETH_PROT_IPV6);
6787         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6788         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6789                             card->info.unique_id;
6790
6791         rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
6792 #else
6793         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6794                                 UNIQUE_ID_NOT_BY_CARD;
6795 #endif
6796         return rc;
6797 }
6798 static void
6799 qeth_print_status_with_portname(struct qeth_card *card)
6800 {
6801         char dbf_text[15];
6802         int i;
6803
6804         sprintf(dbf_text, "%s", card->info.portname + 1);
6805         for (i = 0; i < 8; i++)
6806                 dbf_text[i] =
6807                         (char) _ebcasc[(__u8) dbf_text[i]];
6808         dbf_text[8] = 0;
6809         printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
6810                "with link type %s (portname: %s)\n",
6811                CARD_RDEV_ID(card),
6812                CARD_WDEV_ID(card),
6813                CARD_DDEV_ID(card),
6814                qeth_get_cardname(card),
6815                (card->info.mcl_level[0]) ? " (level: " : "",
6816                (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6817                (card->info.mcl_level[0]) ? ")" : "",
6818                qeth_get_cardname_short(card),
6819                dbf_text);
6820
6821 }
6822
6823 static void
6824 qeth_print_status_no_portname(struct qeth_card *card)
6825 {
6826         if (card->info.portname[0])
6827                 printk("qeth: Device %s/%s/%s is a%s "
6828                        "card%s%s%s\nwith link type %s "
6829                        "(no portname needed by interface).\n",
6830                        CARD_RDEV_ID(card),
6831                        CARD_WDEV_ID(card),
6832                        CARD_DDEV_ID(card),
6833                        qeth_get_cardname(card),
6834                        (card->info.mcl_level[0]) ? " (level: " : "",
6835                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6836                        (card->info.mcl_level[0]) ? ")" : "",
6837                        qeth_get_cardname_short(card));
6838         else
6839                 printk("qeth: Device %s/%s/%s is a%s "
6840                        "card%s%s%s\nwith link type %s.\n",
6841                        CARD_RDEV_ID(card),
6842                        CARD_WDEV_ID(card),
6843                        CARD_DDEV_ID(card),
6844                        qeth_get_cardname(card),
6845                        (card->info.mcl_level[0]) ? " (level: " : "",
6846                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6847                        (card->info.mcl_level[0]) ? ")" : "",
6848                        qeth_get_cardname_short(card));
6849 }
6850
6851 static void
6852 qeth_print_status_message(struct qeth_card *card)
6853 {
6854         switch (card->info.type) {
6855         case QETH_CARD_TYPE_OSAE:
6856                 /* VM will use a non-zero first character
6857                  * to indicate a HiperSockets like reporting
6858                  * of the level OSA sets the first character to zero
6859                  * */
6860                 if (!card->info.mcl_level[0]) {
6861                         sprintf(card->info.mcl_level,"%02x%02x",
6862                                 card->info.mcl_level[2],
6863                                 card->info.mcl_level[3]);
6864
6865                         card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6866                         break;
6867                 }
6868                 /* fallthrough */
6869         case QETH_CARD_TYPE_IQD:
6870                 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
6871                         card->info.mcl_level[0]];
6872                 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
6873                         card->info.mcl_level[1]];
6874                 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
6875                         card->info.mcl_level[2]];
6876                 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
6877                         card->info.mcl_level[3]];
6878                 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6879                 break;
6880         default:
6881                 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
6882         }
6883         if (card->info.portname_required)
6884                 qeth_print_status_with_portname(card);
6885         else
6886                 qeth_print_status_no_portname(card);
6887 }
6888
6889 static int
6890 qeth_register_netdev(struct qeth_card *card)
6891 {
6892         int rc;
6893
6894         QETH_DBF_TEXT(setup, 3, "regnetd");
6895         if (card->dev->reg_state != NETREG_UNINITIALIZED)
6896                 return 0;
6897         /* sysfs magic */
6898         SET_NETDEV_DEV(card->dev, &card->gdev->dev);
6899         rc = register_netdev(card->dev);
6900         if (!rc)
6901                 strcpy(card->info.if_name, card->dev->name);
6902
6903         return rc;
6904 }
6905
6906 static void
6907 qeth_start_again(struct qeth_card *card)
6908 {
6909         QETH_DBF_TEXT(setup ,2, "startag");
6910
6911         rtnl_lock();
6912         dev_open(card->dev);
6913         rtnl_unlock();
6914         /* this also sets saved unicast addresses */
6915         qeth_set_multicast_list(card->dev);
6916 }
6917
6918
6919 /* Layer 2 specific stuff */
6920 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
6921         if (card->options.option == value) { \
6922                 PRINT_ERR("%s not supported with layer 2 " \
6923                           "functionality, ignoring option on read" \
6924                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
6925                 card->options.option = reset_value; \
6926         }
6927 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
6928         if (card->options.option != value) { \
6929                 PRINT_ERR("%s not supported with layer 2 " \
6930                           "functionality, ignoring option on read" \
6931                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
6932                 card->options.option = reset_value; \
6933         }
6934
6935
6936 static void qeth_make_parameters_consistent(struct qeth_card *card)
6937 {
6938
6939         if (card->options.layer2) {
6940                 if (card->info.type == QETH_CARD_TYPE_IQD) {
6941                         PRINT_ERR("Device %s does not support " \
6942                                   "layer 2 functionality. "  \
6943                                   "Ignoring layer2 option.\n",CARD_BUS_ID(card));
6944                 }
6945                 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
6946                                  "Routing options are");
6947 #ifdef CONFIG_QETH_IPV6
6948                 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
6949                                  "Routing options are");
6950 #endif
6951                 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
6952                                 QETH_CHECKSUM_DEFAULT,
6953                                 "Checksumming options are");
6954                 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
6955                                  QETH_TR_BROADCAST_ALLRINGS,
6956                                  "Broadcast mode options are");
6957                 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
6958                                  QETH_TR_MACADDR_NONCANONICAL,
6959                                  "Canonical MAC addr options are");
6960                 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
6961                                  "Broadcast faking options are");
6962                 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
6963                                  DEFAULT_ADD_HHLEN,"Option add_hhlen is");
6964                 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
6965         }
6966 }
6967
6968
6969 static int
6970 qeth_set_online(struct ccwgroup_device *gdev)
6971 {
6972         struct qeth_card *card = gdev->dev.driver_data;
6973         int rc = 0;
6974         enum qeth_card_states recover_flag;
6975
6976         BUG_ON(!card);
6977         QETH_DBF_TEXT(setup ,2, "setonlin");
6978         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6979
6980         qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
6981         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
6982                 PRINT_WARN("set_online of card %s interrupted by user!\n",
6983                            CARD_BUS_ID(card));
6984                 return -ERESTARTSYS;
6985         }
6986
6987         recover_flag = card->state;
6988         if (ccw_device_set_online(CARD_RDEV(card)) ||
6989             ccw_device_set_online(CARD_WDEV(card)) ||
6990             ccw_device_set_online(CARD_DDEV(card))){
6991                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6992                 return -EIO;
6993         }
6994
6995         if (card->options.layer2)
6996                 qeth_make_parameters_consistent(card);
6997
6998         if ((rc = qeth_hardsetup_card(card))){
6999                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7000                 goto out_remove;
7001         }
7002         card->state = CARD_STATE_HARDSETUP;
7003
7004         if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7005                 rc = qeth_get_unique_id(card);
7006
7007         if (rc && card->options.layer2 == 0) {
7008                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7009                 goto out_remove;
7010         }
7011         qeth_print_status_message(card);
7012         if ((rc = qeth_register_netdev(card))){
7013                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7014                 goto out_remove;
7015         }
7016         if ((rc = qeth_softsetup_card(card))){
7017                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7018                 goto out_remove;
7019         }
7020         card->state = CARD_STATE_SOFTSETUP;
7021
7022         if ((rc = qeth_init_qdio_queues(card))){
7023                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7024                 goto out_remove;
7025         }
7026 /*maybe it was set offline without ifconfig down
7027  * we can also use this state for recovery purposes*/
7028         if (card->options.layer2)
7029                 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 0);
7030         else
7031                 qeth_set_allowed_threads(card, 0xffffffff, 0);
7032         if (recover_flag == CARD_STATE_RECOVER)
7033                 qeth_start_again(card);
7034         qeth_notify_processes();
7035         return 0;
7036 out_remove:
7037         card->use_hard_stop = 1;
7038         qeth_stop_card(card);
7039         ccw_device_set_offline(CARD_DDEV(card));
7040         ccw_device_set_offline(CARD_WDEV(card));
7041         ccw_device_set_offline(CARD_RDEV(card));
7042         if (recover_flag == CARD_STATE_RECOVER)
7043                 card->state = CARD_STATE_RECOVER;
7044         else
7045                 card->state = CARD_STATE_DOWN;
7046         return -ENODEV;
7047 }
7048
7049 static struct ccw_device_id qeth_ids[] = {
7050         {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7051         {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7052         {},
7053 };
7054 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7055
7056 struct device *qeth_root_dev = NULL;
7057
7058 struct ccwgroup_driver qeth_ccwgroup_driver = {
7059         .owner = THIS_MODULE,
7060         .name = "qeth",
7061         .driver_id = 0xD8C5E3C8,
7062         .probe = qeth_probe_device,
7063         .remove = qeth_remove_device,
7064         .set_online = qeth_set_online,
7065         .set_offline = qeth_set_offline,
7066 };
7067
7068 struct ccw_driver qeth_ccw_driver = {
7069         .name = "qeth",
7070         .ids = qeth_ids,
7071         .probe = ccwgroup_probe_ccwdev,
7072         .remove = ccwgroup_remove_ccwdev,
7073 };
7074
7075
7076 static void
7077 qeth_unregister_dbf_views(void)
7078 {
7079         if (qeth_dbf_setup)
7080                 debug_unregister(qeth_dbf_setup);
7081         if (qeth_dbf_qerr)
7082                 debug_unregister(qeth_dbf_qerr);
7083         if (qeth_dbf_sense)
7084                 debug_unregister(qeth_dbf_sense);
7085         if (qeth_dbf_misc)
7086                 debug_unregister(qeth_dbf_misc);
7087         if (qeth_dbf_data)
7088                 debug_unregister(qeth_dbf_data);
7089         if (qeth_dbf_control)
7090                 debug_unregister(qeth_dbf_control);
7091         if (qeth_dbf_trace)
7092                 debug_unregister(qeth_dbf_trace);
7093 }
7094 static int
7095 qeth_register_dbf_views(void)
7096 {
7097         qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7098                                         QETH_DBF_SETUP_INDEX,
7099                                         QETH_DBF_SETUP_NR_AREAS,
7100                                         QETH_DBF_SETUP_LEN);
7101         qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7102                                        QETH_DBF_MISC_INDEX,
7103                                        QETH_DBF_MISC_NR_AREAS,
7104                                        QETH_DBF_MISC_LEN);
7105         qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7106                                        QETH_DBF_DATA_INDEX,
7107                                        QETH_DBF_DATA_NR_AREAS,
7108                                        QETH_DBF_DATA_LEN);
7109         qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7110                                           QETH_DBF_CONTROL_INDEX,
7111                                           QETH_DBF_CONTROL_NR_AREAS,
7112                                           QETH_DBF_CONTROL_LEN);
7113         qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7114                                         QETH_DBF_SENSE_INDEX,
7115                                         QETH_DBF_SENSE_NR_AREAS,
7116                                         QETH_DBF_SENSE_LEN);
7117         qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7118                                        QETH_DBF_QERR_INDEX,
7119                                        QETH_DBF_QERR_NR_AREAS,
7120                                        QETH_DBF_QERR_LEN);
7121         qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7122                                         QETH_DBF_TRACE_INDEX,
7123                                         QETH_DBF_TRACE_NR_AREAS,
7124                                         QETH_DBF_TRACE_LEN);
7125
7126         if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL)    ||
7127             (qeth_dbf_data == NULL)  || (qeth_dbf_control == NULL) ||
7128             (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL)    ||
7129             (qeth_dbf_trace == NULL)) {
7130                 qeth_unregister_dbf_views();
7131                 return -ENOMEM;
7132         }
7133         debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7134         debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7135
7136         debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7137         debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7138
7139         debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7140         debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7141
7142         debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7143         debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
7144
7145         debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
7146         debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
7147
7148         debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
7149         debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
7150
7151         debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
7152         debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
7153
7154         return 0;
7155 }
7156
7157 #ifdef CONFIG_QETH_IPV6
7158 extern struct neigh_table arp_tbl;
7159 static struct neigh_ops *arp_direct_ops;
7160 static int (*qeth_old_arp_constructor) (struct neighbour *);
7161
7162 static struct neigh_ops arp_direct_ops_template = {
7163         .family = AF_INET,
7164         .destructor = NULL,
7165         .solicit = NULL,
7166         .error_report = NULL,
7167         .output = dev_queue_xmit,
7168         .connected_output = dev_queue_xmit,
7169         .hh_output = dev_queue_xmit,
7170         .queue_xmit = dev_queue_xmit
7171 };
7172
7173 static int
7174 qeth_arp_constructor(struct neighbour *neigh)
7175 {
7176         struct net_device *dev = neigh->dev;
7177         struct in_device *in_dev;
7178         struct neigh_parms *parms;
7179         struct qeth_card *card;
7180
7181         card = qeth_get_card_from_dev(dev);
7182         if (card == NULL)
7183                 goto out;
7184         if(card->options.layer2)
7185                 goto out;
7186
7187         rcu_read_lock();
7188         in_dev = rcu_dereference(__in_dev_get(dev));
7189         if (in_dev == NULL) {
7190                 rcu_read_unlock();
7191                 return -EINVAL;
7192         }
7193
7194         parms = in_dev->arp_parms;
7195         __neigh_parms_put(neigh->parms);
7196         neigh->parms = neigh_parms_clone(parms);
7197         rcu_read_unlock();
7198
7199         neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
7200         neigh->nud_state = NUD_NOARP;
7201         neigh->ops = arp_direct_ops;
7202         neigh->output = neigh->ops->queue_xmit;
7203         return 0;
7204 out:
7205         return qeth_old_arp_constructor(neigh);
7206 }
7207 #endif  /*CONFIG_QETH_IPV6*/
7208
7209 /*
7210  * IP address takeover related functions
7211  */
7212 static void
7213 qeth_clear_ipato_list(struct qeth_card *card)
7214 {
7215         struct qeth_ipato_entry *ipatoe, *tmp;
7216         unsigned long flags;
7217
7218         spin_lock_irqsave(&card->ip_lock, flags);
7219         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
7220                 list_del(&ipatoe->entry);
7221                 kfree(ipatoe);
7222         }
7223         spin_unlock_irqrestore(&card->ip_lock, flags);
7224 }
7225
7226 int
7227 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
7228 {
7229         struct qeth_ipato_entry *ipatoe;
7230         unsigned long flags;
7231         int rc = 0;
7232
7233         QETH_DBF_TEXT(trace, 2, "addipato");
7234         spin_lock_irqsave(&card->ip_lock, flags);
7235         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7236                 if (ipatoe->proto != new->proto)
7237                         continue;
7238                 if (!memcmp(ipatoe->addr, new->addr,
7239                             (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
7240                     (ipatoe->mask_bits == new->mask_bits)){
7241                         PRINT_WARN("ipato entry already exists!\n");
7242                         rc = -EEXIST;
7243                         break;
7244                 }
7245         }
7246         if (!rc) {
7247                 list_add_tail(&new->entry, &card->ipato.entries);
7248         }
7249         spin_unlock_irqrestore(&card->ip_lock, flags);
7250         return rc;
7251 }
7252
7253 void
7254 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
7255                      u8 *addr, int mask_bits)
7256 {
7257         struct qeth_ipato_entry *ipatoe, *tmp;
7258         unsigned long flags;
7259
7260         QETH_DBF_TEXT(trace, 2, "delipato");
7261         spin_lock_irqsave(&card->ip_lock, flags);
7262         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
7263                 if (ipatoe->proto != proto)
7264                         continue;
7265                 if (!memcmp(ipatoe->addr, addr,
7266                             (proto == QETH_PROT_IPV4)? 4:16) &&
7267                     (ipatoe->mask_bits == mask_bits)){
7268                         list_del(&ipatoe->entry);
7269                         kfree(ipatoe);
7270                 }
7271         }
7272         spin_unlock_irqrestore(&card->ip_lock, flags);
7273 }
7274
7275 static inline void
7276 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
7277 {
7278         int i, j;
7279         u8 octet;
7280
7281         for (i = 0; i < len; ++i){
7282                 octet = addr[i];
7283                 for (j = 7; j >= 0; --j){
7284                         bits[i*8 + j] = octet & 1;
7285                         octet >>= 1;
7286                 }
7287         }
7288 }
7289
7290 static int
7291 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
7292 {
7293         struct qeth_ipato_entry *ipatoe;
7294         u8 addr_bits[128] = {0, };
7295         u8 ipatoe_bits[128] = {0, };
7296         int rc = 0;
7297
7298         if (!card->ipato.enabled)
7299                 return 0;
7300
7301         qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
7302                                   (addr->proto == QETH_PROT_IPV4)? 4:16);
7303         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7304                 if (addr->proto != ipatoe->proto)
7305                         continue;
7306                 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
7307                                           (ipatoe->proto==QETH_PROT_IPV4) ?
7308                                           4:16);
7309                 if (addr->proto == QETH_PROT_IPV4)
7310                         rc = !memcmp(addr_bits, ipatoe_bits,
7311                                      min(32, ipatoe->mask_bits));
7312                 else
7313                         rc = !memcmp(addr_bits, ipatoe_bits,
7314                                      min(128, ipatoe->mask_bits));
7315                 if (rc)
7316                         break;
7317         }
7318         /* invert? */
7319         if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
7320                 rc = !rc;
7321         else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
7322                 rc = !rc;
7323
7324         return rc;
7325 }
7326
7327 /*
7328  * VIPA related functions
7329  */
7330 int
7331 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7332               const u8 *addr)
7333 {
7334         struct qeth_ipaddr *ipaddr;
7335         unsigned long flags;
7336         int rc = 0;
7337
7338         ipaddr = qeth_get_addr_buffer(proto);
7339         if (ipaddr){
7340                 if (proto == QETH_PROT_IPV4){
7341                         QETH_DBF_TEXT(trace, 2, "addvipa4");
7342                         memcpy(&ipaddr->u.a4.addr, addr, 4);
7343                         ipaddr->u.a4.mask = 0;
7344 #ifdef CONFIG_QETH_IPV6
7345                 } else if (proto == QETH_PROT_IPV6){
7346                         QETH_DBF_TEXT(trace, 2, "addvipa6");
7347                         memcpy(&ipaddr->u.a6.addr, addr, 16);
7348                         ipaddr->u.a6.pfxlen = 0;
7349 #endif
7350                 }
7351                 ipaddr->type = QETH_IP_TYPE_VIPA;
7352                 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
7353                 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
7354         } else
7355                 return -ENOMEM;
7356         spin_lock_irqsave(&card->ip_lock, flags);
7357         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7358             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7359                 rc = -EEXIST;
7360         spin_unlock_irqrestore(&card->ip_lock, flags);
7361         if (rc){
7362                 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
7363                 return rc;
7364         }
7365         if (!qeth_add_ip(card, ipaddr))
7366                 kfree(ipaddr);
7367         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7368                 schedule_work(&card->kernel_thread_starter);
7369         return rc;
7370 }
7371
7372 void
7373 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7374               const u8 *addr)
7375 {
7376         struct qeth_ipaddr *ipaddr;
7377
7378         ipaddr = qeth_get_addr_buffer(proto);
7379         if (ipaddr){
7380                 if (proto == QETH_PROT_IPV4){
7381                         QETH_DBF_TEXT(trace, 2, "delvipa4");
7382                         memcpy(&ipaddr->u.a4.addr, addr, 4);
7383                         ipaddr->u.a4.mask = 0;
7384 #ifdef CONFIG_QETH_IPV6
7385                 } else if (proto == QETH_PROT_IPV6){
7386                         QETH_DBF_TEXT(trace, 2, "delvipa6");
7387                         memcpy(&ipaddr->u.a6.addr, addr, 16);
7388                         ipaddr->u.a6.pfxlen = 0;
7389 #endif
7390                 }
7391                 ipaddr->type = QETH_IP_TYPE_VIPA;
7392         } else
7393                 return;
7394         if (!qeth_delete_ip(card, ipaddr))
7395                 kfree(ipaddr);
7396         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7397                 schedule_work(&card->kernel_thread_starter);
7398 }
7399
7400 /*
7401  * proxy ARP related functions
7402  */
7403 int
7404 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7405               const u8 *addr)
7406 {
7407         struct qeth_ipaddr *ipaddr;
7408         unsigned long flags;
7409         int rc = 0;
7410
7411         ipaddr = qeth_get_addr_buffer(proto);
7412         if (ipaddr){
7413                 if (proto == QETH_PROT_IPV4){
7414                         QETH_DBF_TEXT(trace, 2, "addrxip4");
7415                         memcpy(&ipaddr->u.a4.addr, addr, 4);
7416                         ipaddr->u.a4.mask = 0;
7417 #ifdef CONFIG_QETH_IPV6
7418                 } else if (proto == QETH_PROT_IPV6){
7419                         QETH_DBF_TEXT(trace, 2, "addrxip6");
7420                         memcpy(&ipaddr->u.a6.addr, addr, 16);
7421                         ipaddr->u.a6.pfxlen = 0;
7422 #endif
7423                 }
7424                 ipaddr->type = QETH_IP_TYPE_RXIP;
7425                 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
7426                 ipaddr->del_flags = 0;
7427         } else
7428                 return -ENOMEM;
7429         spin_lock_irqsave(&card->ip_lock, flags);
7430         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7431             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7432                 rc = -EEXIST;
7433         spin_unlock_irqrestore(&card->ip_lock, flags);
7434         if (rc){
7435                 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
7436                 return rc;
7437         }
7438         if (!qeth_add_ip(card, ipaddr))
7439                 kfree(ipaddr);
7440         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7441                 schedule_work(&card->kernel_thread_starter);
7442         return 0;
7443 }
7444
7445 void
7446 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7447               const u8 *addr)
7448 {
7449         struct qeth_ipaddr *ipaddr;
7450
7451         ipaddr = qeth_get_addr_buffer(proto);
7452         if (ipaddr){
7453                 if (proto == QETH_PROT_IPV4){
7454                         QETH_DBF_TEXT(trace, 2, "addrxip4");
7455                         memcpy(&ipaddr->u.a4.addr, addr, 4);
7456                         ipaddr->u.a4.mask = 0;
7457 #ifdef CONFIG_QETH_IPV6
7458                 } else if (proto == QETH_PROT_IPV6){
7459                         QETH_DBF_TEXT(trace, 2, "addrxip6");
7460                         memcpy(&ipaddr->u.a6.addr, addr, 16);
7461                         ipaddr->u.a6.pfxlen = 0;
7462 #endif
7463                 }
7464                 ipaddr->type = QETH_IP_TYPE_RXIP;
7465         } else
7466                 return;
7467         if (!qeth_delete_ip(card, ipaddr))
7468                 kfree(ipaddr);
7469         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7470                 schedule_work(&card->kernel_thread_starter);
7471 }
7472
7473 /**
7474  * IP event handler
7475  */
7476 static int
7477 qeth_ip_event(struct notifier_block *this,
7478               unsigned long event,void *ptr)
7479 {
7480         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
7481         struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
7482         struct qeth_ipaddr *addr;
7483         struct qeth_card *card;
7484
7485         QETH_DBF_TEXT(trace,3,"ipevent");
7486         card = qeth_get_card_from_dev(dev);
7487         if (!card)
7488                 return NOTIFY_DONE;
7489         if (card->options.layer2)
7490                 return NOTIFY_DONE;
7491
7492         addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
7493         if (addr != NULL) {
7494                 addr->u.a4.addr = ifa->ifa_address;
7495                 addr->u.a4.mask = ifa->ifa_mask;
7496                 addr->type = QETH_IP_TYPE_NORMAL;
7497         } else
7498                 goto out;
7499
7500         switch(event) {
7501         case NETDEV_UP:
7502                 if (!qeth_add_ip(card, addr))
7503                         kfree(addr);
7504                 break;
7505         case NETDEV_DOWN:
7506                 if (!qeth_delete_ip(card, addr))
7507                         kfree(addr);
7508                 break;
7509         default:
7510                 break;
7511         }
7512         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7513                 schedule_work(&card->kernel_thread_starter);
7514 out:
7515         return NOTIFY_DONE;
7516 }
7517
7518 static struct notifier_block qeth_ip_notifier = {
7519         qeth_ip_event,
7520         0
7521 };
7522
7523 #ifdef CONFIG_QETH_IPV6
7524 /**
7525  * IPv6 event handler
7526  */
7527 static int
7528 qeth_ip6_event(struct notifier_block *this,
7529               unsigned long event,void *ptr)
7530 {
7531
7532         struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
7533         struct net_device *dev = (struct net_device *)ifa->idev->dev;
7534         struct qeth_ipaddr *addr;
7535         struct qeth_card *card;
7536
7537         QETH_DBF_TEXT(trace,3,"ip6event");
7538
7539         card = qeth_get_card_from_dev(dev);
7540         if (!card)
7541                 return NOTIFY_DONE;
7542         if (!qeth_is_supported(card, IPA_IPV6))
7543                 return NOTIFY_DONE;
7544
7545         addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
7546         if (addr != NULL) {
7547                 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
7548                 addr->u.a6.pfxlen = ifa->prefix_len;
7549                 addr->type = QETH_IP_TYPE_NORMAL;
7550         } else
7551                 goto out;
7552
7553         switch(event) {
7554         case NETDEV_UP:
7555                 if (!qeth_add_ip(card, addr))
7556                         kfree(addr);
7557                 break;
7558         case NETDEV_DOWN:
7559                 if (!qeth_delete_ip(card, addr))
7560                         kfree(addr);
7561                 break;
7562         default:
7563                 break;
7564         }
7565         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7566                 schedule_work(&card->kernel_thread_starter);
7567 out:
7568         return NOTIFY_DONE;
7569 }
7570
7571 static struct notifier_block qeth_ip6_notifier = {
7572         qeth_ip6_event,
7573         0
7574 };
7575 #endif
7576
7577 static int
7578 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
7579 {
7580
7581         struct device *entry;
7582         struct qeth_card *card;
7583
7584         down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
7585                list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
7586                                    driver_list) {
7587                        card = (struct qeth_card *) entry->driver_data;
7588                        qeth_clear_ip_list(card, 0, 0);
7589                        qeth_qdio_clear_card(card, 0);
7590                }
7591         up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
7592         return NOTIFY_DONE;
7593 }
7594
7595
7596 static struct notifier_block qeth_reboot_notifier = {
7597         qeth_reboot_event,
7598         0
7599 };
7600
7601 static int
7602 qeth_register_notifiers(void)
7603 {
7604         int r;
7605
7606         QETH_DBF_TEXT(trace,5,"regnotif");
7607         if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
7608                 return r;
7609         if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
7610                 goto out_reboot;
7611 #ifdef CONFIG_QETH_IPV6
7612         if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
7613                 goto out_ipv4;
7614 #endif
7615         return 0;
7616
7617 #ifdef CONFIG_QETH_IPV6
7618 out_ipv4:
7619         unregister_inetaddr_notifier(&qeth_ip_notifier);
7620 #endif
7621 out_reboot:
7622         unregister_reboot_notifier(&qeth_reboot_notifier);
7623         return r;
7624 }
7625
7626 /**
7627  * unregister all event notifiers
7628  */
7629 static void
7630 qeth_unregister_notifiers(void)
7631 {
7632
7633         QETH_DBF_TEXT(trace,5,"unregnot");
7634         BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
7635         BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
7636 #ifdef CONFIG_QETH_IPV6
7637         BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
7638 #endif /* QETH_IPV6 */
7639
7640 }
7641
7642 #ifdef CONFIG_QETH_IPV6
7643 static int
7644 qeth_ipv6_init(void)
7645 {
7646         qeth_old_arp_constructor = arp_tbl.constructor;
7647         write_lock(&arp_tbl.lock);
7648         arp_tbl.constructor = qeth_arp_constructor;
7649         write_unlock(&arp_tbl.lock);
7650
7651         arp_direct_ops = (struct neigh_ops*)
7652                 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
7653         if (!arp_direct_ops)
7654                 return -ENOMEM;
7655
7656         memcpy(arp_direct_ops, &arp_direct_ops_template,
7657                sizeof(struct neigh_ops));
7658
7659         return 0;
7660 }
7661
7662 static void
7663 qeth_ipv6_uninit(void)
7664 {
7665         write_lock(&arp_tbl.lock);
7666         arp_tbl.constructor = qeth_old_arp_constructor;
7667         write_unlock(&arp_tbl.lock);
7668         kfree(arp_direct_ops);
7669 }
7670 #endif /* CONFIG_QETH_IPV6 */
7671
7672 static void
7673 qeth_sysfs_unregister(void)
7674 {
7675         qeth_remove_driver_attributes();
7676         ccw_driver_unregister(&qeth_ccw_driver);
7677         ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
7678         s390_root_dev_unregister(qeth_root_dev);
7679 }
7680 /**
7681  * register qeth at sysfs
7682  */
7683 static int
7684 qeth_sysfs_register(void)
7685 {
7686         int rc=0;
7687
7688         rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
7689         if (rc)
7690                 return rc;
7691         rc = ccw_driver_register(&qeth_ccw_driver);
7692         if (rc)
7693                 return rc;
7694         rc = qeth_create_driver_attributes();
7695         if (rc)
7696                 return rc;
7697         qeth_root_dev = s390_root_dev_register("qeth");
7698         if (IS_ERR(qeth_root_dev)) {
7699                 rc = PTR_ERR(qeth_root_dev);
7700                 return rc;
7701         }
7702         return 0;
7703 }
7704
7705 /***
7706  * init function
7707  */
7708 static int __init
7709 qeth_init(void)
7710 {
7711         int rc=0;
7712
7713         qeth_eyecatcher();
7714         PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
7715                    version, VERSION_QETH_C, VERSION_QETH_H,
7716                    VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
7717                    VERSION_QETH_FS_H, VERSION_QETH_PROC_C,
7718                    VERSION_QETH_SYS_C, QETH_VERSION_IPV6,
7719                    QETH_VERSION_VLAN);
7720
7721         INIT_LIST_HEAD(&qeth_card_list.list);
7722         INIT_LIST_HEAD(&qeth_notify_list);
7723         spin_lock_init(&qeth_notify_lock);
7724         rwlock_init(&qeth_card_list.rwlock);
7725
7726         if (qeth_register_dbf_views())
7727                 goto out_err;
7728         if (qeth_sysfs_register())
7729                 goto out_sysfs;
7730
7731 #ifdef CONFIG_QETH_IPV6
7732         if (qeth_ipv6_init()) {
7733                 PRINT_ERR("Out of memory during ipv6 init.\n");
7734                 goto out_sysfs;
7735         }
7736 #endif /* QETH_IPV6 */
7737         if (qeth_register_notifiers())
7738                 goto out_ipv6;
7739         if (qeth_create_procfs_entries())
7740                 goto out_notifiers;
7741
7742         return rc;
7743
7744 out_notifiers:
7745         qeth_unregister_notifiers();
7746 out_ipv6:
7747 #ifdef CONFIG_QETH_IPV6
7748         qeth_ipv6_uninit();
7749 #endif /* QETH_IPV6 */
7750 out_sysfs:
7751         qeth_sysfs_unregister();
7752         qeth_unregister_dbf_views();
7753 out_err:
7754         PRINT_ERR("Initialization failed");
7755         return rc;
7756 }
7757
7758 static void
7759 __exit qeth_exit(void)
7760 {
7761         struct qeth_card *card, *tmp;
7762         unsigned long flags;
7763
7764         QETH_DBF_TEXT(trace,1, "cleanup.");
7765
7766         /*
7767          * Weed would not need to clean up our devices here, because the
7768          * common device layer calls qeth_remove_device for each device
7769          * as soon as we unregister our driver (done in qeth_sysfs_unregister).
7770          * But we do cleanup here so we can do a "soft" shutdown of our cards.
7771          * qeth_remove_device called by the common device layer would otherwise
7772          * do a "hard" shutdown (card->use_hard_stop is set to one in
7773          * qeth_remove_device).
7774          */
7775 again:
7776         read_lock_irqsave(&qeth_card_list.rwlock, flags);
7777         list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
7778                 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7779                 qeth_set_offline(card->gdev);
7780                 qeth_remove_device(card->gdev);
7781                 goto again;
7782         }
7783         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7784 #ifdef CONFIG_QETH_IPV6
7785         qeth_ipv6_uninit();
7786 #endif
7787         qeth_unregister_notifiers();
7788         qeth_remove_procfs_entries();
7789         qeth_sysfs_unregister();
7790         qeth_unregister_dbf_views();
7791         printk("qeth: removed\n");
7792 }
7793
7794 EXPORT_SYMBOL(qeth_eyecatcher);
7795 module_init(qeth_init);
7796 module_exit(qeth_exit);
7797 MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
7798 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
7799                                       "Copyright 2000,2003 IBM Corporation\n");
7800
7801 MODULE_LICENSE("GPL");