drivers/s390/net/qeth_main.c

   1 /*
   2  *
   3  * linux/drivers/s390/net/qeth_main.c ($Revision: 1.251 $)
   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 (fpavlic@de.ibm.com) and
  13  *                        Thomas Spatzier <tspat@de.ibm.com>
  14  *
  15  *    $Revision: 1.251 $         $Date: 2005/05/04 20:19:18 $
  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 #include <linux/config.h>
  34 #include <linux/module.h>
  35 #include <linux/moduleparam.h>
  36 #include <linux/string.h>
  37 #include <linux/errno.h>
  38 #include <linux/mm.h>
  39 #include <linux/ip.h>
  40 #include <linux/inetdevice.h>
  41 #include <linux/netdevice.h>
  42 #include <linux/sched.h>
  43 #include <linux/workqueue.h>
  44 #include <linux/kernel.h>
  45 #include <linux/slab.h>
  46 #include <linux/interrupt.h>
  47 #include <linux/tcp.h>
  48 #include <linux/icmp.h>
  49 #include <linux/skbuff.h>
  50 #include <linux/in.h>
  51 #include <linux/igmp.h>
  52 #include <linux/init.h>
  53 #include <linux/reboot.h>
  54 #include <linux/mii.h>
  55 #include <linux/rcupdate.h>
  56 #include <linux/ethtool.h>
  57
  58 #include <net/arp.h>
  59 #include <net/ip.h>
  60 #include <net/route.h>
  61
  62 #include <asm/ebcdic.h>
  63 #include <asm/io.h>
  64 #include <asm/qeth.h>
  65 #include <asm/timex.h>
  66 #include <asm/semaphore.h>
  67 #include <asm/uaccess.h>
  68
  69 #include "qeth.h"
  70 #include "qeth_mpc.h"
  71 #include "qeth_fs.h"
  72 #include "qeth_eddp.h"
  73 #include "qeth_tso.h"
  74
  75 #define VERSION_QETH_C "$Revision: 1.251 $"
  76 static const char *version = "qeth S/390 OSA-Express driver";
  77
  78 /**
  79  * Debug Facility Stuff
  80  */
  81 static debug_info_t *qeth_dbf_setup = NULL;
  82 static debug_info_t *qeth_dbf_data = NULL;
  83 static debug_info_t *qeth_dbf_misc = NULL;
  84 static debug_info_t *qeth_dbf_control = NULL;
  85 debug_info_t *qeth_dbf_trace = NULL;
  86 static debug_info_t *qeth_dbf_sense = NULL;
  87 static debug_info_t *qeth_dbf_qerr = NULL;
  88
  89 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
  90
  91 /**
  92  * some more definitions and declarations
  93  */
  94 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
  95
  96 /* list of our cards */
  97 struct qeth_card_list_struct qeth_card_list;
  98 /*process list want to be notified*/
  99 spinlock_t qeth_notify_lock;
 100 struct list_head qeth_notify_list;
 101
 102 static void qeth_send_control_data_cb(struct qeth_channel *,
 103                                       struct qeth_cmd_buffer *);
 104
 105 /**
 106  * here we go with function implementation
 107  */
 108 static void
 109 qeth_init_qdio_info(struct qeth_card *card);
 110
 111 static int
 112 qeth_init_qdio_queues(struct qeth_card *card);
 113
 114 static int
 115 qeth_alloc_qdio_buffers(struct qeth_card *card);
 116
 117 static void
 118 qeth_free_qdio_buffers(struct qeth_card *);
 119
 120 static void
 121 qeth_clear_qdio_buffers(struct qeth_card *);
 122
 123 static void
 124 qeth_clear_ip_list(struct qeth_card *, int, int);
 125
 126 static void
 127 qeth_clear_ipacmd_list(struct qeth_card *);
 128
 129 static int
 130 qeth_qdio_clear_card(struct qeth_card *, int);
 131
 132 static void
 133 qeth_clear_working_pool_list(struct qeth_card *);
 134
 135 static void
 136 qeth_clear_cmd_buffers(struct qeth_channel *);
 137
 138 static int
 139 qeth_stop(struct net_device *);
 140
 141 static void
 142 qeth_clear_ipato_list(struct qeth_card *);
 143
 144 static int
 145 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
 146
 147 static void
 148 qeth_irq_tasklet(unsigned long);
 149
 150 static int
 151 qeth_set_online(struct ccwgroup_device *);
 152
 153 static int
 154 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
 155
 156 static struct qeth_ipaddr *
 157 qeth_get_addr_buffer(enum qeth_prot_versions);
 158
 159 static void
 160 qeth_set_multicast_list(struct net_device *);
 161
 162 static void
 163 qeth_setadp_promisc_mode(struct qeth_card *);
 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         /*check first if entry already exists*/
 203         spin_lock(&qeth_notify_lock);
 204         list_for_each_entry(n_entry, &qeth_notify_list, list) {
 205                 if (n_entry->task == p) {
 206                         n_entry->signum = signum;
 207                         spin_unlock(&qeth_notify_lock);
 208                         return 0;
 209                 }
 210         }
 211         spin_unlock(&qeth_notify_lock);
 212
 213         n_entry = (struct qeth_notify_list_struct *)
 214                 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
 215         if (!n_entry)
 216                 return -ENOMEM;
 217         n_entry->task = p;
 218         n_entry->signum = signum;
 219         spin_lock(&qeth_notify_lock);
 220         list_add(&n_entry->list,&qeth_notify_list);
 221         spin_unlock(&qeth_notify_lock);
 222         return 0;
 223 }
 224
 225
 226 /**
 227  * free channel command buffers
 228  */
 229 static void
 230 qeth_clean_channel(struct qeth_channel *channel)
 231 {
 232         int cnt;
 233
 234         QETH_DBF_TEXT(setup, 2, "freech");
 235         for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
 236                 kfree(channel->iob[cnt].data);
 237 }
 238
 239 /**
 240  * free card
 241  */
 242 static void
 243 qeth_free_card(struct qeth_card *card)
 244 {
 245
 246         QETH_DBF_TEXT(setup, 2, "freecrd");
 247         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 248         qeth_clean_channel(&card->read);
 249         qeth_clean_channel(&card->write);
 250         if (card->dev)
 251                 free_netdev(card->dev);
 252         qeth_clear_ip_list(card, 0, 0);
 253         qeth_clear_ipato_list(card);
 254         kfree(card->ip_tbd_list);
 255         qeth_free_qdio_buffers(card);
 256         kfree(card);
 257 }
 258
 259 /**
 260  * alloc memory for command buffer per channel
 261  */
 262 static int
 263 qeth_setup_channel(struct qeth_channel *channel)
 264 {
 265         int cnt;
 266
 267         QETH_DBF_TEXT(setup, 2, "setupch");
 268         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
 269                 channel->iob[cnt].data = (char *)
 270                         kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
 271                 if (channel->iob[cnt].data == NULL)
 272                         break;
 273                 channel->iob[cnt].state = BUF_STATE_FREE;
 274                 channel->iob[cnt].channel = channel;
 275                 channel->iob[cnt].callback = qeth_send_control_data_cb;
 276                 channel->iob[cnt].rc = 0;
 277         }
 278         if (cnt < QETH_CMD_BUFFER_NO) {
 279                 while (cnt-- > 0)
 280                         kfree(channel->iob[cnt].data);
 281                 return -ENOMEM;
 282         }
 283         channel->buf_no = 0;
 284         channel->io_buf_no = 0;
 285         atomic_set(&channel->irq_pending, 0);
 286         spin_lock_init(&channel->iob_lock);
 287
 288         init_waitqueue_head(&channel->wait_q);
 289         channel->irq_tasklet.data = (unsigned long) channel;
 290         channel->irq_tasklet.func = qeth_irq_tasklet;
 291         return 0;
 292 }
 293
 294 /**
 295  * alloc memory for card structure
 296  */
 297 static struct qeth_card *
 298 qeth_alloc_card(void)
 299 {
 300         struct qeth_card *card;
 301
 302         QETH_DBF_TEXT(setup, 2, "alloccrd");
 303         card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
 304                                             GFP_DMA|GFP_KERNEL);
 305         if (!card)
 306                 return NULL;
 307         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 308         memset(card, 0, sizeof(struct qeth_card));
 309         if (qeth_setup_channel(&card->read)) {
 310                 kfree(card);
 311                 return NULL;
 312         }
 313         if (qeth_setup_channel(&card->write)) {
 314                 qeth_clean_channel(&card->read);
 315                 kfree(card);
 316                 return NULL;
 317         }
 318         return card;
 319 }
 320
 321 static long
 322 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
 323 {
 324         if (!IS_ERR(irb))
 325                 return 0;
 326
 327         switch (PTR_ERR(irb)) {
 328         case -EIO:
 329                 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
 330                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 331                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
 332                 break;
 333         case -ETIMEDOUT:
 334                 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
 335                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 336                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -ETIMEDOUT);
 337                 break;
 338         default:
 339                 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
 340                            cdev->dev.bus_id);
 341                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 342                 QETH_DBF_TEXT(trace, 2, "  rc???");
 343         }
 344         return PTR_ERR(irb);
 345 }
 346
 347 static int
 348 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
 349 {
 350         int dstat,cstat;
 351         char *sense;
 352
 353         sense = (char *) irb->ecw;
 354         cstat = irb->scsw.cstat;
 355         dstat = irb->scsw.dstat;
 356
 357         if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
 358                      SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
 359                      SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
 360                 QETH_DBF_TEXT(trace,2, "CGENCHK");
 361                 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
 362                            cdev->dev.bus_id, dstat, cstat);
 363                 HEXDUMP16(WARN, "irb: ", irb);
 364                 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
 365                 return 1;
 366         }
 367
 368         if (dstat & DEV_STAT_UNIT_CHECK) {
 369                 if (sense[SENSE_RESETTING_EVENT_BYTE] &
 370                     SENSE_RESETTING_EVENT_FLAG) {
 371                         QETH_DBF_TEXT(trace,2,"REVIND");
 372                         return 1;
 373                 }
 374                 if (sense[SENSE_COMMAND_REJECT_BYTE] &
 375                     SENSE_COMMAND_REJECT_FLAG) {
 376                         QETH_DBF_TEXT(trace,2,"CMDREJi");
 377                         return 0;
 378                 }
 379                 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
 380                         QETH_DBF_TEXT(trace,2,"AFFE");
 381                         return 1;
 382                 }
 383                 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
 384                         QETH_DBF_TEXT(trace,2,"ZEROSEN");
 385                         return 0;
 386                 }
 387                 QETH_DBF_TEXT(trace,2,"DGENCHK");
 388                         return 1;
 389         }
 390         return 0;
 391 }
 392 static int qeth_issue_next_read(struct qeth_card *);
 393
 394 /**
 395  * interrupt handler
 396  */
 397 static void
 398 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 399 {
 400         int rc;
 401         int cstat,dstat;
 402         struct qeth_cmd_buffer *buffer;
 403         struct qeth_channel *channel;
 404         struct qeth_card *card;
 405
 406         QETH_DBF_TEXT(trace,5,"irq");
 407
 408         if (__qeth_check_irb_error(cdev, irb))
 409                 return;
 410         cstat = irb->scsw.cstat;
 411         dstat = irb->scsw.dstat;
 412
 413         card = CARD_FROM_CDEV(cdev);
 414         if (!card)
 415                 return;
 416
 417         if (card->read.ccwdev == cdev){
 418                 channel = &card->read;
 419                 QETH_DBF_TEXT(trace,5,"read");
 420         } else if (card->write.ccwdev == cdev) {
 421                 channel = &card->write;
 422                 QETH_DBF_TEXT(trace,5,"write");
 423         } else {
 424                 channel = &card->data;
 425                 QETH_DBF_TEXT(trace,5,"data");
 426         }
 427         atomic_set(&channel->irq_pending, 0);
 428
 429         if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
 430                 channel->state = CH_STATE_STOPPED;
 431
 432         if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
 433                 channel->state = CH_STATE_HALTED;
 434
 435         /*let's wake up immediately on data channel*/
 436         if ((channel == &card->data) && (intparm != 0))
 437                 goto out;
 438
 439         if (intparm == QETH_CLEAR_CHANNEL_PARM) {
 440                 QETH_DBF_TEXT(trace, 6, "clrchpar");
 441                 /* we don't have to handle this further */
 442                 intparm = 0;
 443         }
 444         if (intparm == QETH_HALT_CHANNEL_PARM) {
 445                 QETH_DBF_TEXT(trace, 6, "hltchpar");
 446                 /* we don't have to handle this further */
 447                 intparm = 0;
 448         }
 449         if ((dstat & DEV_STAT_UNIT_EXCEP) ||
 450             (dstat & DEV_STAT_UNIT_CHECK) ||
 451             (cstat)) {
 452                 if (irb->esw.esw0.erw.cons) {
 453                         /* TODO: we should make this s390dbf */
 454                         PRINT_WARN("sense data available on channel %s.\n",
 455                                    CHANNEL_ID(channel));
 456                         PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
 457                         HEXDUMP16(WARN,"irb: ",irb);
 458                         HEXDUMP16(WARN,"sense data: ",irb->ecw);
 459                 }
 460                 rc = qeth_get_problem(cdev,irb);
 461                 if (rc) {
 462                         qeth_schedule_recovery(card);
 463                         goto out;
 464                 }
 465         }
 466
 467         if (intparm) {
 468                 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
 469                 buffer->state = BUF_STATE_PROCESSED;
 470         }
 471         if (channel == &card->data)
 472                 return;
 473
 474         if (channel == &card->read &&
 475             channel->state == CH_STATE_UP)
 476                 qeth_issue_next_read(card);
 477
 478         tasklet_schedule(&channel->irq_tasklet);
 479         return;
 480 out:
 481         wake_up(&card->wait_q);
 482 }
 483
 484 /**
 485  * tasklet function scheduled from irq handler
 486  */
 487 static void
 488 qeth_irq_tasklet(unsigned long data)
 489 {
 490         struct qeth_card *card;
 491         struct qeth_channel *channel;
 492         struct qeth_cmd_buffer *iob;
 493         __u8 index;
 494
 495         QETH_DBF_TEXT(trace,5,"irqtlet");
 496         channel = (struct qeth_channel *) data;
 497         iob = channel->iob;
 498         index = channel->buf_no;
 499         card = CARD_FROM_CDEV(channel->ccwdev);
 500         while (iob[index].state == BUF_STATE_PROCESSED) {
 501                 if (iob[index].callback !=NULL) {
 502                         iob[index].callback(channel,iob + index);
 503                 }
 504                 index = (index + 1) % QETH_CMD_BUFFER_NO;
 505         }
 506         channel->buf_no = index;
 507         wake_up(&card->wait_q);
 508 }
 509
 510 static int qeth_stop_card(struct qeth_card *, int);
 511
 512 static int
 513 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
 514 {
 515         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 516         int rc = 0, rc2 = 0, rc3 = 0;
 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         netif_carrier_off(card->dev);
 523         recover_flag = card->state;
 524         if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
 525                 PRINT_WARN("Stopping card %s interrupted by user!\n",
 526                            CARD_BUS_ID(card));
 527                 return -ERESTARTSYS;
 528         }
 529         rc  = ccw_device_set_offline(CARD_DDEV(card));
 530         rc2 = ccw_device_set_offline(CARD_WDEV(card));
 531         rc3 = ccw_device_set_offline(CARD_RDEV(card));
 532         if (!rc)
 533                 rc = (rc2) ? rc2 : rc3;
 534         if (rc)
 535                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
 536         if (recover_flag == CARD_STATE_UP)
 537                 card->state = CARD_STATE_RECOVER;
 538         qeth_notify_processes();
 539         return 0;
 540 }
 541
 542 static int
 543 qeth_set_offline(struct ccwgroup_device *cgdev)
 544 {
 545         return  __qeth_set_offline(cgdev, 0);
 546 }
 547
 548 static int
 549 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
 550
 551
 552 static void
 553 qeth_remove_device(struct ccwgroup_device *cgdev)
 554 {
 555         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 556         unsigned long flags;
 557
 558         QETH_DBF_TEXT(setup, 3, "rmdev");
 559         QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 560
 561         if (!card)
 562                 return;
 563
 564         if (qeth_wait_for_threads(card, 0xffffffff))
 565                 return;
 566
 567         if (cgdev->state == CCWGROUP_ONLINE){
 568                 card->use_hard_stop = 1;
 569                 qeth_set_offline(cgdev);
 570         }
 571         /* remove form our internal list */
 572         write_lock_irqsave(&qeth_card_list.rwlock, flags);
 573         list_del(&card->list);
 574         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
 575         if (card->dev)
 576                 unregister_netdev(card->dev);
 577         qeth_remove_device_attributes(&cgdev->dev);
 578         qeth_free_card(card);
 579         cgdev->dev.driver_data = NULL;
 580         put_device(&cgdev->dev);
 581 }
 582
 583 static int
 584 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 585 static int
 586 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 587
 588 /**
 589  * Add/remove address to/from card's ip list, i.e. try to add or remove
 590  * reference to/from an IP address that is already registered on the card.
 591  * Returns:
 592  *      0  address was on card and its reference count has been adjusted,
 593  *         but is still > 0, so nothing has to be done
 594  *         also returns 0 if card was not on card and the todo was to delete
 595  *         the address -> there is also nothing to be done
 596  *      1  address was not on card and the todo is to add it to the card's ip
 597  *         list
 598  *      -1 address was on card and its reference count has been decremented
 599  *         to <= 0 by the todo -> address must be removed from card
 600  */
 601 static int
 602 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
 603                       struct qeth_ipaddr **__addr)
 604 {
 605         struct qeth_ipaddr *addr;
 606         int found = 0;
 607
 608         list_for_each_entry(addr, &card->ip_list, entry) {
 609                 if (card->options.layer2) {
 610                         if ((addr->type == todo->type) &&
 611                             (memcmp(&addr->mac, &todo->mac,
 612                                     OSA_ADDR_LEN) == 0)) {
 613                                 found = 1;
 614                                 break;
 615                         }
 616                         continue;
 617                 }
 618                 if ((addr->proto     == QETH_PROT_IPV4)  &&
 619                     (todo->proto     == QETH_PROT_IPV4)  &&
 620                     (addr->type      == todo->type)      &&
 621                     (addr->u.a4.addr == todo->u.a4.addr) &&
 622                     (addr->u.a4.mask == todo->u.a4.mask)) {
 623                         found = 1;
 624                         break;
 625                 }
 626                 if ((addr->proto       == QETH_PROT_IPV6)     &&
 627                     (todo->proto       == QETH_PROT_IPV6)     &&
 628                     (addr->type        == todo->type)         &&
 629                     (addr->u.a6.pfxlen == todo->u.a6.pfxlen)  &&
 630                     (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
 631                             sizeof(struct in6_addr)) == 0)) {
 632                         found = 1;
 633                         break;
 634                 }
 635         }
 636         if (found) {
 637                 addr->users += todo->users;
 638                 if (addr->users <= 0){
 639                         *__addr = addr;
 640                         return -1;
 641                 } else {
 642                         /* for VIPA and RXIP limit refcount to 1 */
 643                         if (addr->type != QETH_IP_TYPE_NORMAL)
 644                                 addr->users = 1;
 645                         return 0;
 646                 }
 647         }
 648         if (todo->users > 0) {
 649                 /* for VIPA and RXIP limit refcount to 1 */
 650                 if (todo->type != QETH_IP_TYPE_NORMAL)
 651                         todo->users = 1;
 652                 return 1;
 653         } else
 654                 return 0;
 655 }
 656
 657 static inline int
 658 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
 659                               int same_type)
 660 {
 661         struct qeth_ipaddr *tmp;
 662
 663         list_for_each_entry(tmp, list, entry) {
 664                 if ((tmp->proto     == QETH_PROT_IPV4)            &&
 665                     (addr->proto    == QETH_PROT_IPV4)            &&
 666                     ((same_type && (tmp->type == addr->type)) ||
 667                      (!same_type && (tmp->type != addr->type))  ) &&
 668                     (tmp->u.a4.addr == addr->u.a4.addr)             ){
 669                         return 1;
 670                 }
 671                 if ((tmp->proto  == QETH_PROT_IPV6)               &&
 672                     (addr->proto == QETH_PROT_IPV6)               &&
 673                     ((same_type && (tmp->type == addr->type)) ||
 674                      (!same_type && (tmp->type != addr->type))  ) &&
 675                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 676                             sizeof(struct in6_addr)) == 0)          ) {
 677                         return 1;
 678                 }
 679         }
 680         return 0;
 681 }
 682
 683 /*
 684  * Add IP to be added to todo list. If there is already an "add todo"
 685  * in this list we just incremenent the reference count.
 686  * Returns 0 if we  just incremented reference count.
 687  */
 688 static int
 689 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
 690 {
 691         struct qeth_ipaddr *tmp, *t;
 692         int found = 0;
 693
 694         list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
 695                 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
 696                     (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
 697                         return 0;
 698                 if (card->options.layer2) {
 699                         if ((tmp->type  == addr->type)  &&
 700                             (tmp->is_multicast == addr->is_multicast) &&
 701                             (memcmp(&tmp->mac, &addr->mac,
 702                                     OSA_ADDR_LEN) == 0)) {
 703                                 found = 1;
 704                                 break;
 705                         }
 706                         continue;
 707                 }
 708                 if ((tmp->proto        == QETH_PROT_IPV4)     &&
 709                     (addr->proto       == QETH_PROT_IPV4)     &&
 710                     (tmp->type         == addr->type)         &&
 711                     (tmp->is_multicast == addr->is_multicast) &&
 712                     (tmp->u.a4.addr    == addr->u.a4.addr)    &&
 713                     (tmp->u.a4.mask    == addr->u.a4.mask)) {
 714                         found = 1;
 715                         break;
 716                 }
 717                 if ((tmp->proto        == QETH_PROT_IPV6)      &&
 718                     (addr->proto       == QETH_PROT_IPV6)      &&
 719                     (tmp->type         == addr->type)          &&
 720                     (tmp->is_multicast == addr->is_multicast)  &&
 721                     (tmp->u.a6.pfxlen  == addr->u.a6.pfxlen)   &&
 722                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 723                             sizeof(struct in6_addr)) == 0)) {
 724                         found = 1;
 725                         break;
 726                 }
 727         }
 728         if (found){
 729                 if (addr->users != 0)
 730                         tmp->users += addr->users;
 731                 else
 732                         tmp->users += add? 1:-1;
 733                 if (tmp->users == 0) {
 734                         list_del(&tmp->entry);
 735                         kfree(tmp);
 736                 }
 737                 return 0;
 738         } else {
 739                 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
 740                         list_add(&addr->entry, card->ip_tbd_list);
 741                 else {
 742                         if (addr->users == 0)
 743                                 addr->users += add? 1:-1;
 744                         if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
 745                             qeth_is_addr_covered_by_ipato(card, addr)){
 746                                 QETH_DBF_TEXT(trace, 2, "tkovaddr");
 747                                 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
 748                         }
 749                         list_add_tail(&addr->entry, card->ip_tbd_list);
 750                 }
 751                 return 1;
 752         }
 753 }
 754
 755 /**
 756  * Remove IP address from list
 757  */
 758 static int
 759 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 760 {
 761         unsigned long flags;
 762         int rc = 0;
 763
 764         QETH_DBF_TEXT(trace, 4, "delip");
 765
 766         if (card->options.layer2)
 767                 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
 768         else if (addr->proto == QETH_PROT_IPV4)
 769                 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
 770         else {
 771                 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
 772                 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
 773         }
 774         spin_lock_irqsave(&card->ip_lock, flags);
 775         rc = __qeth_insert_ip_todo(card, addr, 0);
 776         spin_unlock_irqrestore(&card->ip_lock, flags);
 777         return rc;
 778 }
 779
 780 static int
 781 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 782 {
 783         unsigned long flags;
 784         int rc = 0;
 785
 786         QETH_DBF_TEXT(trace, 4, "addip");
 787         if (card->options.layer2)
 788                 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
 789         else if (addr->proto == QETH_PROT_IPV4)
 790                 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
 791         else {
 792                 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
 793                 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
 794         }
 795         spin_lock_irqsave(&card->ip_lock, flags);
 796         rc = __qeth_insert_ip_todo(card, addr, 1);
 797         spin_unlock_irqrestore(&card->ip_lock, flags);
 798         return rc;
 799 }
 800
 801 static inline void
 802 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
 803 {
 804         struct qeth_ipaddr *addr, *tmp;
 805         int rc;
 806 again:
 807         list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
 808                 if (addr->is_multicast) {
 809                         spin_unlock_irqrestore(&card->ip_lock, *flags);
 810                         rc = qeth_deregister_addr_entry(card, addr);
 811                         spin_lock_irqsave(&card->ip_lock, *flags);
 812                         if (!rc) {
 813                                 list_del(&addr->entry);
 814                                 kfree(addr);
 815                                 goto again;
 816                         }
 817                 }
 818         }
 819 }
 820
 821 static void
 822 qeth_set_ip_addr_list(struct qeth_card *card)
 823 {
 824         struct list_head *tbd_list;
 825         struct qeth_ipaddr *todo, *addr;
 826         unsigned long flags;
 827         int rc;
 828
 829         QETH_DBF_TEXT(trace, 2, "sdiplist");
 830         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
 831
 832         spin_lock_irqsave(&card->ip_lock, flags);
 833         tbd_list = card->ip_tbd_list;
 834         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
 835         if (!card->ip_tbd_list) {
 836                 QETH_DBF_TEXT(trace, 0, "silnomem");
 837                 card->ip_tbd_list = tbd_list;
 838                 spin_unlock_irqrestore(&card->ip_lock, flags);
 839                 return;
 840         } else
 841                 INIT_LIST_HEAD(card->ip_tbd_list);
 842
 843         while (!list_empty(tbd_list)){
 844                 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
 845                 list_del(&todo->entry);
 846                 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
 847                         __qeth_delete_all_mc(card, &flags);
 848                         kfree(todo);
 849                         continue;
 850                 }
 851                 rc = __qeth_ref_ip_on_card(card, todo, &addr);
 852                 if (rc == 0) {
 853                         /* nothing to be done; only adjusted refcount */
 854                         kfree(todo);
 855                 } else if (rc == 1) {
 856                         /* new entry to be added to on-card list */
 857                         spin_unlock_irqrestore(&card->ip_lock, flags);
 858                         rc = qeth_register_addr_entry(card, todo);
 859                         spin_lock_irqsave(&card->ip_lock, flags);
 860                         if (!rc)
 861                                 list_add_tail(&todo->entry, &card->ip_list);
 862                         else
 863                                 kfree(todo);
 864                 } else if (rc == -1) {
 865                         /* on-card entry to be removed */
 866                         list_del_init(&addr->entry);
 867                         spin_unlock_irqrestore(&card->ip_lock, flags);
 868                         rc = qeth_deregister_addr_entry(card, addr);
 869                         spin_lock_irqsave(&card->ip_lock, flags);
 870                         if (!rc)
 871                                 kfree(addr);
 872                         else
 873                                 list_add_tail(&addr->entry, &card->ip_list);
 874                         kfree(todo);
 875                 }
 876         }
 877         spin_unlock_irqrestore(&card->ip_lock, flags);
 878         kfree(tbd_list);
 879 }
 880
 881 static void qeth_delete_mc_addresses(struct qeth_card *);
 882 static void qeth_add_multicast_ipv4(struct qeth_card *);
 883 static void qeth_layer2_add_multicast(struct qeth_card *);
 884 #ifdef CONFIG_QETH_IPV6
 885 static void qeth_add_multicast_ipv6(struct qeth_card *);
 886 #endif
 887
 888 static inline int
 889 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
 890 {
 891         unsigned long flags;
 892
 893         spin_lock_irqsave(&card->thread_mask_lock, flags);
 894         if ( !(card->thread_allowed_mask & thread) ||
 895               (card->thread_start_mask & thread) ) {
 896                 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 897                 return -EPERM;
 898         }
 899         card->thread_start_mask |= thread;
 900         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 901         return 0;
 902 }
 903
 904 static void
 905 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
 906 {
 907         unsigned long flags;
 908
 909         spin_lock_irqsave(&card->thread_mask_lock, flags);
 910         card->thread_start_mask &= ~thread;
 911         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 912         wake_up(&card->wait_q);
 913 }
 914
 915 static void
 916 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
 917 {
 918         unsigned long flags;
 919
 920         spin_lock_irqsave(&card->thread_mask_lock, flags);
 921         card->thread_running_mask &= ~thread;
 922         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 923         wake_up(&card->wait_q);
 924 }
 925
 926 static inline int
 927 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 928 {
 929         unsigned long flags;
 930         int rc = 0;
 931
 932         spin_lock_irqsave(&card->thread_mask_lock, flags);
 933         if (card->thread_start_mask & thread){
 934                 if ((card->thread_allowed_mask & thread) &&
 935                     !(card->thread_running_mask & thread)){
 936                         rc = 1;
 937                         card->thread_start_mask &= ~thread;
 938                         card->thread_running_mask |= thread;
 939                 } else
 940                         rc = -EPERM;
 941         }
 942         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 943         return rc;
 944 }
 945
 946 static int
 947 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 948 {
 949         int rc = 0;
 950
 951         wait_event(card->wait_q,
 952                    (rc = __qeth_do_run_thread(card, thread)) >= 0);
 953         return rc;
 954 }
 955
 956 static int
 957 qeth_register_ip_addresses(void *ptr)
 958 {
 959         struct qeth_card *card;
 960
 961         card = (struct qeth_card *) ptr;
 962         daemonize("qeth_reg_ip");
 963         QETH_DBF_TEXT(trace,4,"regipth1");
 964         if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
 965                 return 0;
 966         QETH_DBF_TEXT(trace,4,"regipth2");
 967         qeth_set_ip_addr_list(card);
 968         qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
 969         return 0;
 970 }
 971
 972 /*
 973  * Drive the SET_PROMISC_MODE thread
 974  */
 975 static int
 976 qeth_set_promisc_mode(void *ptr)
 977 {
 978         struct qeth_card *card = (struct qeth_card *) ptr;
 979
 980         daemonize("qeth_setprm");
 981         QETH_DBF_TEXT(trace,4,"setprm1");
 982         if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
 983                 return 0;
 984         QETH_DBF_TEXT(trace,4,"setprm2");
 985         qeth_setadp_promisc_mode(card);
 986         qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
 987         return 0;
 988 }
 989
 990 static int
 991 qeth_recover(void *ptr)
 992 {
 993         struct qeth_card *card;
 994         int rc = 0;
 995
 996         card = (struct qeth_card *) ptr;
 997         daemonize("qeth_recover");
 998         QETH_DBF_TEXT(trace,2,"recover1");
 999         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
1000         if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
1001                 return 0;
1002         QETH_DBF_TEXT(trace,2,"recover2");
1003         PRINT_WARN("Recovery of device %s started ...\n",
1004                    CARD_BUS_ID(card));
1005         card->use_hard_stop = 1;
1006         __qeth_set_offline(card->gdev,1);
1007         rc = __qeth_set_online(card->gdev,1);
1008         if (!rc)
1009                 PRINT_INFO("Device %s successfully recovered!\n",
1010                            CARD_BUS_ID(card));
1011         else
1012                 PRINT_INFO("Device %s could not be recovered!\n",
1013                            CARD_BUS_ID(card));
1014         /* don't run another scheduled recovery */
1015         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1016         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
1017         return 0;
1018 }
1019
1020 void
1021 qeth_schedule_recovery(struct qeth_card *card)
1022 {
1023         QETH_DBF_TEXT(trace,2,"startrec");
1024         if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1025                 schedule_work(&card->kernel_thread_starter);
1026 }
1027
1028 static int
1029 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1030 {
1031         unsigned long flags;
1032         int rc = 0;
1033
1034         spin_lock_irqsave(&card->thread_mask_lock, flags);
1035         QETH_DBF_TEXT_(trace, 4, "  %02x%02x%02x",
1036                         (u8) card->thread_start_mask,
1037                         (u8) card->thread_allowed_mask,
1038                         (u8) card->thread_running_mask);
1039         rc = (card->thread_start_mask & thread);
1040         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1041         return rc;
1042 }
1043
1044 static void
1045 qeth_start_kernel_thread(struct qeth_card *card)
1046 {
1047         QETH_DBF_TEXT(trace , 2, "strthrd");
1048
1049         if (card->read.state != CH_STATE_UP &&
1050             card->write.state != CH_STATE_UP)
1051                 return;
1052
1053         if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1054                 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1055         if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
1056                 kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
1057         if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1058                 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1059 }
1060
1061
1062 static void
1063 qeth_set_intial_options(struct qeth_card *card)
1064 {
1065         card->options.route4.type = NO_ROUTER;
1066 #ifdef CONFIG_QETH_IPV6
1067         card->options.route6.type = NO_ROUTER;
1068 #endif /* QETH_IPV6 */
1069         card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1070         card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1071         card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1072         card->options.fake_broadcast = 0;
1073         card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1074         card->options.fake_ll = 0;
1075         if (card->info.type == QETH_CARD_TYPE_OSN)
1076                 card->options.layer2 = 1;
1077         else
1078                 card->options.layer2 = 0;
1079 }
1080
1081 /**
1082  * initialize channels ,card and all state machines
1083  */
1084 static int
1085 qeth_setup_card(struct qeth_card *card)
1086 {
1087
1088         QETH_DBF_TEXT(setup, 2, "setupcrd");
1089         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1090
1091         card->read.state  = CH_STATE_DOWN;
1092         card->write.state = CH_STATE_DOWN;
1093         card->data.state  = CH_STATE_DOWN;
1094         card->state = CARD_STATE_DOWN;
1095         card->lan_online = 0;
1096         card->use_hard_stop = 0;
1097         card->dev = NULL;
1098 #ifdef CONFIG_QETH_VLAN
1099         spin_lock_init(&card->vlanlock);
1100         card->vlangrp = NULL;
1101 #endif
1102         spin_lock_init(&card->lock);
1103         spin_lock_init(&card->ip_lock);
1104         spin_lock_init(&card->thread_mask_lock);
1105         card->thread_start_mask = 0;
1106         card->thread_allowed_mask = 0;
1107         card->thread_running_mask = 0;
1108         INIT_WORK(&card->kernel_thread_starter,
1109                   (void *)qeth_start_kernel_thread,card);
1110         INIT_LIST_HEAD(&card->ip_list);
1111         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1112         if (!card->ip_tbd_list) {
1113                 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1114                 return -ENOMEM;
1115         }
1116         INIT_LIST_HEAD(card->ip_tbd_list);
1117         INIT_LIST_HEAD(&card->cmd_waiter_list);
1118         init_waitqueue_head(&card->wait_q);
1119         /* intial options */
1120         qeth_set_intial_options(card);
1121         /* IP address takeover */
1122         INIT_LIST_HEAD(&card->ipato.entries);
1123         card->ipato.enabled = 0;
1124         card->ipato.invert4 = 0;
1125         card->ipato.invert6 = 0;
1126         /* init QDIO stuff */
1127         qeth_init_qdio_info(card);
1128         return 0;
1129 }
1130
1131 static int
1132 is_1920_device (struct qeth_card *card)
1133 {
1134         int single_queue = 0;
1135         struct ccw_device *ccwdev;
1136         struct channelPath_dsc {
1137                 u8 flags;
1138                 u8 lsn;
1139                 u8 desc;
1140                 u8 chpid;
1141                 u8 swla;
1142                 u8 zeroes;
1143                 u8 chla;
1144                 u8 chpp;
1145         } *chp_dsc;
1146
1147         QETH_DBF_TEXT(setup, 2, "chk_1920");
1148
1149         ccwdev = card->data.ccwdev;
1150         chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1151         if (chp_dsc != NULL) {
1152                 /* CHPP field bit 6 == 1 -> single queue */
1153                 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1154                 kfree(chp_dsc);
1155         }
1156         QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1157         return single_queue;
1158 }
1159
1160 static int
1161 qeth_determine_card_type(struct qeth_card *card)
1162 {
1163         int i = 0;
1164
1165         QETH_DBF_TEXT(setup, 2, "detcdtyp");
1166
1167         card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1168         card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1169         while (known_devices[i][4]) {
1170                 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1171                     (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1172                         card->info.type = known_devices[i][4];
1173                         card->qdio.no_out_queues = known_devices[i][8];
1174                         card->info.is_multicast_different = known_devices[i][9];
1175                         if (is_1920_device(card)) {
1176                                 PRINT_INFO("Priority Queueing not able "
1177                                            "due to hardware limitations!\n");
1178                                 card->qdio.no_out_queues = 1;
1179                                 card->qdio.default_out_queue = 0;
1180                         }
1181                         return 0;
1182                 }
1183                 i++;
1184         }
1185         card->info.type = QETH_CARD_TYPE_UNKNOWN;
1186         PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1187         return -ENOENT;
1188 }
1189
1190 static int
1191 qeth_probe_device(struct ccwgroup_device *gdev)
1192 {
1193         struct qeth_card *card;
1194         struct device *dev;
1195         unsigned long flags;
1196         int rc;
1197
1198         QETH_DBF_TEXT(setup, 2, "probedev");
1199
1200         dev = &gdev->dev;
1201         if (!get_device(dev))
1202                 return -ENODEV;
1203
1204         QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1205
1206         card = qeth_alloc_card();
1207         if (!card) {
1208                 put_device(dev);
1209                 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1210                 return -ENOMEM;
1211         }
1212         card->read.ccwdev  = gdev->cdev[0];
1213         card->write.ccwdev = gdev->cdev[1];
1214         card->data.ccwdev  = gdev->cdev[2];
1215         gdev->dev.driver_data = card;
1216         card->gdev = gdev;
1217         gdev->cdev[0]->handler = qeth_irq;
1218         gdev->cdev[1]->handler = qeth_irq;
1219         gdev->cdev[2]->handler = qeth_irq;
1220
1221         if ((rc = qeth_determine_card_type(card))){
1222                 PRINT_WARN("%s: not a valid card type\n", __func__);
1223                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1224                 put_device(dev);
1225                 qeth_free_card(card);
1226                 return rc;
1227         }
1228         if ((rc = qeth_setup_card(card))){
1229                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1230                 put_device(dev);
1231                 qeth_free_card(card);
1232                 return rc;
1233         }
1234         rc = qeth_create_device_attributes(dev);
1235         if (rc) {
1236                 put_device(dev);
1237                 qeth_free_card(card);
1238                 return rc;
1239         }
1240         /* insert into our internal list */
1241         write_lock_irqsave(&qeth_card_list.rwlock, flags);
1242         list_add_tail(&card->list, &qeth_card_list.list);
1243         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1244         return rc;
1245 }
1246
1247
1248 static int
1249 qeth_get_unitaddr(struct qeth_card *card)
1250 {
1251         int length;
1252         char *prcd;
1253         int rc;
1254
1255         QETH_DBF_TEXT(setup, 2, "getunit");
1256         rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1257         if (rc) {
1258                 PRINT_ERR("read_conf_data for device %s returned %i\n",
1259                           CARD_DDEV_ID(card), rc);
1260                 return rc;
1261         }
1262         card->info.chpid = prcd[30];
1263         card->info.unit_addr2 = prcd[31];
1264         card->info.cula = prcd[63];
1265         card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1266                                (prcd[0x11] == _ascebc['M']));
1267         return 0;
1268 }
1269
1270 static void
1271 qeth_init_tokens(struct qeth_card *card)
1272 {
1273         card->token.issuer_rm_w = 0x00010103UL;
1274         card->token.cm_filter_w = 0x00010108UL;
1275         card->token.cm_connection_w = 0x0001010aUL;
1276         card->token.ulp_filter_w = 0x0001010bUL;
1277         card->token.ulp_connection_w = 0x0001010dUL;
1278 }
1279
1280 static inline __u16
1281 raw_devno_from_bus_id(char *id)
1282 {
1283         id += (strlen(id) - 4);
1284         return (__u16) simple_strtoul(id, &id, 16);
1285 }
1286 /**
1287  * setup channel
1288  */
1289 static void
1290 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1291 {
1292         struct qeth_card *card;
1293
1294         QETH_DBF_TEXT(trace, 4, "setupccw");
1295         card = CARD_FROM_CDEV(channel->ccwdev);
1296         if (channel == &card->read)
1297                 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1298         else
1299                 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1300         channel->ccw.count = len;
1301         channel->ccw.cda = (__u32) __pa(iob);
1302 }
1303
1304 /**
1305  * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1306  */
1307 static struct qeth_cmd_buffer *
1308 __qeth_get_buffer(struct qeth_channel *channel)
1309 {
1310         __u8 index;
1311
1312         QETH_DBF_TEXT(trace, 6, "getbuff");
1313         index = channel->io_buf_no;
1314         do {
1315                 if (channel->iob[index].state == BUF_STATE_FREE) {
1316                         channel->iob[index].state = BUF_STATE_LOCKED;
1317                         channel->io_buf_no = (channel->io_buf_no + 1) %
1318                                 QETH_CMD_BUFFER_NO;
1319                         memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1320                         return channel->iob + index;
1321                 }
1322                 index = (index + 1) % QETH_CMD_BUFFER_NO;
1323         } while(index != channel->io_buf_no);
1324
1325         return NULL;
1326 }
1327
1328 /**
1329  * release command buffer
1330  */
1331 static void
1332 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1333 {
1334         unsigned long flags;
1335
1336         QETH_DBF_TEXT(trace, 6, "relbuff");
1337         spin_lock_irqsave(&channel->iob_lock, flags);
1338         memset(iob->data, 0, QETH_BUFSIZE);
1339         iob->state = BUF_STATE_FREE;
1340         iob->callback = qeth_send_control_data_cb;
1341         iob->rc = 0;
1342         spin_unlock_irqrestore(&channel->iob_lock, flags);
1343 }
1344
1345 static struct qeth_cmd_buffer *
1346 qeth_get_buffer(struct qeth_channel *channel)
1347 {
1348         struct qeth_cmd_buffer *buffer = NULL;
1349         unsigned long flags;
1350
1351         spin_lock_irqsave(&channel->iob_lock, flags);
1352         buffer = __qeth_get_buffer(channel);
1353         spin_unlock_irqrestore(&channel->iob_lock, flags);
1354         return buffer;
1355 }
1356
1357 static struct qeth_cmd_buffer *
1358 qeth_wait_for_buffer(struct qeth_channel *channel)
1359 {
1360         struct qeth_cmd_buffer *buffer;
1361         wait_event(channel->wait_q,
1362                    ((buffer = qeth_get_buffer(channel)) != NULL));
1363         return buffer;
1364 }
1365
1366 static void
1367 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1368 {
1369         int cnt = 0;
1370
1371         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1372                 qeth_release_buffer(channel,&channel->iob[cnt]);
1373         channel->buf_no = 0;
1374         channel->io_buf_no = 0;
1375 }
1376
1377 /**
1378  * start IDX for read and write channel
1379  */
1380 static int
1381 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1382                               void (*idx_reply_cb)(struct qeth_channel *,
1383                                                    struct qeth_cmd_buffer *))
1384 {
1385         struct qeth_cmd_buffer *iob;
1386         unsigned long flags;
1387         int rc;
1388         struct qeth_card *card;
1389
1390         QETH_DBF_TEXT(setup, 2, "idxanswr");
1391         card = CARD_FROM_CDEV(channel->ccwdev);
1392         iob = qeth_get_buffer(channel);
1393         iob->callback = idx_reply_cb;
1394         memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1395         channel->ccw.count = QETH_BUFSIZE;
1396         channel->ccw.cda = (__u32) __pa(iob->data);
1397
1398         wait_event(card->wait_q,
1399                    atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1400         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1401         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1402         rc = ccw_device_start(channel->ccwdev,
1403                               &channel->ccw,(addr_t) iob, 0, 0);
1404         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1405
1406         if (rc) {
1407                 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1408                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1409                 atomic_set(&channel->irq_pending, 0);
1410                 wake_up(&card->wait_q);
1411                 return rc;
1412         }
1413         rc = wait_event_interruptible_timeout(card->wait_q,
1414                          channel->state == CH_STATE_UP, QETH_TIMEOUT);
1415         if (rc == -ERESTARTSYS)
1416                 return rc;
1417         if (channel->state != CH_STATE_UP){
1418                 rc = -ETIME;
1419                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1420                 qeth_clear_cmd_buffers(channel);
1421         } else
1422                 rc = 0;
1423         return rc;
1424 }
1425
1426 static int
1427 qeth_idx_activate_channel(struct qeth_channel *channel,
1428                            void (*idx_reply_cb)(struct qeth_channel *,
1429                                                 struct qeth_cmd_buffer *))
1430 {
1431         struct qeth_card *card;
1432         struct qeth_cmd_buffer *iob;
1433         unsigned long flags;
1434         __u16 temp;
1435         int rc;
1436
1437         card = CARD_FROM_CDEV(channel->ccwdev);
1438
1439         QETH_DBF_TEXT(setup, 2, "idxactch");
1440
1441         iob = qeth_get_buffer(channel);
1442         iob->callback = idx_reply_cb;
1443         memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1444         channel->ccw.count = IDX_ACTIVATE_SIZE;
1445         channel->ccw.cda = (__u32) __pa(iob->data);
1446         if (channel == &card->write) {
1447                 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1448                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1449                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1450                 card->seqno.trans_hdr++;
1451         } else {
1452                 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1453                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1454                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1455         }
1456         memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1457                &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1458         memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1459                &card->info.func_level,sizeof(__u16));
1460         temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1461         memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1462         temp = (card->info.cula << 8) + card->info.unit_addr2;
1463         memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1464
1465         wait_event(card->wait_q,
1466                    atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1467         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1468         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1469         rc = ccw_device_start(channel->ccwdev,
1470                               &channel->ccw,(addr_t) iob, 0, 0);
1471         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1472
1473         if (rc) {
1474                 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1475                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1476                 atomic_set(&channel->irq_pending, 0);
1477                 wake_up(&card->wait_q);
1478                 return rc;
1479         }
1480         rc = wait_event_interruptible_timeout(card->wait_q,
1481                         channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1482         if (rc == -ERESTARTSYS)
1483                 return rc;
1484         if (channel->state != CH_STATE_ACTIVATING) {
1485                 PRINT_WARN("qeth: IDX activate timed out!\n");
1486                 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1487                 qeth_clear_cmd_buffers(channel);
1488                 return -ETIME;
1489         }
1490         return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1491 }
1492
1493 static int
1494 qeth_peer_func_level(int level)
1495 {
1496         if ((level & 0xff) == 8)
1497                 return (level & 0xff) + 0x400;
1498         if (((level >> 8) & 3) == 1)
1499                 return (level & 0xff) + 0x200;
1500         return level;
1501 }
1502
1503 static void
1504 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1505 {
1506         struct qeth_card *card;
1507         __u16 temp;
1508
1509         QETH_DBF_TEXT(setup ,2, "idxwrcb");
1510
1511         if (channel->state == CH_STATE_DOWN) {
1512                 channel->state = CH_STATE_ACTIVATING;
1513                 goto out;
1514         }
1515         card = CARD_FROM_CDEV(channel->ccwdev);
1516
1517         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1518                 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1519                           "reply\n", CARD_WDEV_ID(card));
1520                 goto out;
1521         }
1522         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1523         if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1524                 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1525                            "function level mismatch "
1526                            "(sent: 0x%x, received: 0x%x)\n",
1527                            CARD_WDEV_ID(card), card->info.func_level, temp);
1528                 goto out;
1529         }
1530         channel->state = CH_STATE_UP;
1531 out:
1532         qeth_release_buffer(channel, iob);
1533 }
1534
1535 static int
1536 qeth_check_idx_response(unsigned char *buffer)
1537 {
1538         if (!buffer)
1539                 return 0;
1540
1541         QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1542         if ((buffer[2] & 0xc0) == 0xc0) {
1543                 PRINT_WARN("received an IDX TERMINATE "
1544                            "with cause code 0x%02x%s\n",
1545                            buffer[4],
1546                            ((buffer[4] == 0x22) ?
1547                             " -- try another portname" : ""));
1548                 QETH_DBF_TEXT(trace, 2, "ckidxres");
1549                 QETH_DBF_TEXT(trace, 2, " idxterm");
1550                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
1551                 return -EIO;
1552         }
1553         return 0;
1554 }
1555
1556 static void
1557 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1558 {
1559         struct qeth_card *card;
1560         __u16 temp;
1561
1562         QETH_DBF_TEXT(setup , 2, "idxrdcb");
1563         if (channel->state == CH_STATE_DOWN) {
1564                 channel->state = CH_STATE_ACTIVATING;
1565                 goto out;
1566         }
1567
1568         card = CARD_FROM_CDEV(channel->ccwdev);
1569         if (qeth_check_idx_response(iob->data)) {
1570                         goto out;
1571         }
1572         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1573                 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1574                           "reply\n", CARD_RDEV_ID(card));
1575                 goto out;
1576         }
1577
1578 /**
1579  * temporary fix for microcode bug
1580  * to revert it,replace OR by AND
1581  */
1582         if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1583              (card->info.type == QETH_CARD_TYPE_OSAE) )
1584                 card->info.portname_required = 1;
1585
1586         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1587         if (temp != qeth_peer_func_level(card->info.func_level)) {
1588                 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1589                            "level mismatch (sent: 0x%x, received: 0x%x)\n",
1590                            CARD_RDEV_ID(card), card->info.func_level, temp);
1591                 goto out;
1592         }
1593         memcpy(&card->token.issuer_rm_r,
1594                QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1595                QETH_MPC_TOKEN_LENGTH);
1596         memcpy(&card->info.mcl_level[0],
1597                QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1598         channel->state = CH_STATE_UP;
1599 out:
1600         qeth_release_buffer(channel,iob);
1601 }
1602
1603 static int
1604 qeth_issue_next_read(struct qeth_card *card)
1605 {
1606         int rc;
1607         struct qeth_cmd_buffer *iob;
1608
1609         QETH_DBF_TEXT(trace,5,"issnxrd");
1610         if (card->read.state != CH_STATE_UP)
1611                 return -EIO;
1612         iob = qeth_get_buffer(&card->read);
1613         if (!iob) {
1614                 PRINT_WARN("issue_next_read failed: no iob available!\n");
1615                 return -ENOMEM;
1616         }
1617         qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1618         wait_event(card->wait_q,
1619                    atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0);
1620         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1621         rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1622                               (addr_t) iob, 0, 0);
1623         if (rc) {
1624                 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1625                 atomic_set(&card->read.irq_pending, 0);
1626                 qeth_schedule_recovery(card);
1627                 wake_up(&card->wait_q);
1628         }
1629         return rc;
1630 }
1631
1632 static struct qeth_reply *
1633 qeth_alloc_reply(struct qeth_card *card)
1634 {
1635         struct qeth_reply *reply;
1636
1637         reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1638         if (reply){
1639                 memset(reply, 0, sizeof(struct qeth_reply));
1640                 atomic_set(&reply->refcnt, 1);
1641                 reply->card = card;
1642         };
1643         return reply;
1644 }
1645
1646 static void
1647 qeth_get_reply(struct qeth_reply *reply)
1648 {
1649         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1650         atomic_inc(&reply->refcnt);
1651 }
1652
1653 static void
1654 qeth_put_reply(struct qeth_reply *reply)
1655 {
1656         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1657         if (atomic_dec_and_test(&reply->refcnt))
1658                 kfree(reply);
1659 }
1660
1661 static void
1662 qeth_cmd_timeout(unsigned long data)
1663 {
1664         struct qeth_reply *reply, *list_reply, *r;
1665         unsigned long flags;
1666
1667         reply = (struct qeth_reply *) data;
1668         spin_lock_irqsave(&reply->card->lock, flags);
1669         list_for_each_entry_safe(list_reply, r,
1670                                  &reply->card->cmd_waiter_list, list) {
1671                 if (reply == list_reply){
1672                         qeth_get_reply(reply);
1673                         list_del_init(&reply->list);
1674                         spin_unlock_irqrestore(&reply->card->lock, flags);
1675                         reply->rc = -ETIME;
1676                         reply->received = 1;
1677                         wake_up(&reply->wait_q);
1678                         qeth_put_reply(reply);
1679                         return;
1680                 }
1681         }
1682         spin_unlock_irqrestore(&reply->card->lock, flags);
1683 }
1684
1685 static struct qeth_ipa_cmd *
1686 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1687 {
1688         struct qeth_ipa_cmd *cmd = NULL;
1689
1690         QETH_DBF_TEXT(trace,5,"chkipad");
1691         if (IS_IPA(iob->data)){
1692                 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1693                 if (IS_IPA_REPLY(cmd))
1694                         return cmd;
1695                 else {
1696                         switch (cmd->hdr.command) {
1697                         case IPA_CMD_STOPLAN:
1698                                 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1699                                            "there is a network problem or "
1700                                            "someone pulled the cable or "
1701                                            "disabled the port.\n",
1702                                            QETH_CARD_IFNAME(card),
1703                                            card->info.chpid);
1704                                 card->lan_online = 0;
1705                                 netif_carrier_off(card->dev);
1706                                 return NULL;
1707                         case IPA_CMD_STARTLAN:
1708                                 PRINT_INFO("Link reestablished on %s "
1709                                            "(CHPID 0x%X). Scheduling "
1710                                            "IP address reset.\n",
1711                                            QETH_CARD_IFNAME(card),
1712                                            card->info.chpid);
1713                                 qeth_schedule_recovery(card);
1714                                 return NULL;
1715                         case IPA_CMD_MODCCID:
1716                                 return cmd;
1717                         case IPA_CMD_REGISTER_LOCAL_ADDR:
1718                                 QETH_DBF_TEXT(trace,3, "irla");
1719                                 break;
1720                         case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1721                                 QETH_DBF_TEXT(trace,3, "urla");
1722                                 break;
1723                         default:
1724                                 PRINT_WARN("Received data is IPA "
1725                                            "but not a reply!\n");
1726                                 break;
1727                         }
1728                 }
1729         }
1730         return cmd;
1731 }
1732
1733 /**
1734  * wake all waiting ipa commands
1735  */
1736 static void
1737 qeth_clear_ipacmd_list(struct qeth_card *card)
1738 {
1739         struct qeth_reply *reply, *r;
1740         unsigned long flags;
1741
1742         QETH_DBF_TEXT(trace, 4, "clipalst");
1743
1744         spin_lock_irqsave(&card->lock, flags);
1745         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1746                 qeth_get_reply(reply);
1747                 reply->rc = -EIO;
1748                 reply->received = 1;
1749                 list_del_init(&reply->list);
1750                 wake_up(&reply->wait_q);
1751                 qeth_put_reply(reply);
1752         }
1753         spin_unlock_irqrestore(&card->lock, flags);
1754 }
1755
1756 static void
1757 qeth_send_control_data_cb(struct qeth_channel *channel,
1758                           struct qeth_cmd_buffer *iob)
1759 {
1760         struct qeth_card *card;
1761         struct qeth_reply *reply, *r;
1762         struct qeth_ipa_cmd *cmd;
1763         unsigned long flags;
1764         int keep_reply;
1765
1766         QETH_DBF_TEXT(trace,4,"sndctlcb");
1767
1768         card = CARD_FROM_CDEV(channel->ccwdev);
1769         if (qeth_check_idx_response(iob->data)) {
1770                 qeth_clear_ipacmd_list(card);
1771                 qeth_schedule_recovery(card);
1772                 goto out;
1773         }
1774
1775         cmd = qeth_check_ipa_data(card, iob);
1776         if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1777                 goto out;
1778         /*in case of OSN : check if cmd is set */
1779         if (card->info.type == QETH_CARD_TYPE_OSN &&
1780             cmd &&
1781             cmd->hdr.command != IPA_CMD_STARTLAN &&
1782             card->osn_info.assist_cb != NULL) {
1783                 card->osn_info.assist_cb(card->dev, cmd);
1784                 goto out;
1785         }
1786
1787         spin_lock_irqsave(&card->lock, flags);
1788         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1789                 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1790                     ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1791                         qeth_get_reply(reply);
1792                         list_del_init(&reply->list);
1793                         spin_unlock_irqrestore(&card->lock, flags);
1794                         keep_reply = 0;
1795                         if (reply->callback != NULL) {
1796                                 if (cmd) {
1797                                         reply->offset = (__u16)((char*)cmd -
1798                                                                 (char *)iob->data);
1799                                         keep_reply = reply->callback(card,
1800                                                         reply,
1801                                                         (unsigned long)cmd);
1802                                 } else
1803                                         keep_reply = reply->callback(card,
1804                                                         reply,
1805                                                         (unsigned long)iob);
1806                         }
1807                         if (cmd)
1808                                 reply->rc = (u16) cmd->hdr.return_code;
1809                         else if (iob->rc)
1810                                 reply->rc = iob->rc;
1811                         if (keep_reply) {
1812                                 spin_lock_irqsave(&card->lock, flags);
1813                                 list_add_tail(&reply->list,
1814                                               &card->cmd_waiter_list);
1815                                 spin_unlock_irqrestore(&card->lock, flags);
1816                         } else {
1817                                 reply->received = 1;
1818                                 wake_up(&reply->wait_q);
1819                         }
1820                         qeth_put_reply(reply);
1821                         goto out;
1822                 }
1823         }
1824         spin_unlock_irqrestore(&card->lock, flags);
1825 out:
1826         memcpy(&card->seqno.pdu_hdr_ack,
1827                 QETH_PDU_HEADER_SEQ_NO(iob->data),
1828                 QETH_SEQ_NO_LENGTH);
1829         qeth_release_buffer(channel,iob);
1830 }
1831
1832 static inline void
1833 qeth_prepare_control_data(struct qeth_card *card, int len,
1834 struct qeth_cmd_buffer *iob)
1835 {
1836         qeth_setup_ccw(&card->write,iob->data,len);
1837         iob->callback = qeth_release_buffer;
1838
1839         memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1840                &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1841         card->seqno.trans_hdr++;
1842         memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1843                &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1844         card->seqno.pdu_hdr++;
1845         memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1846                &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1847         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1848 }
1849
1850 static int
1851 qeth_send_control_data(struct qeth_card *card, int len,
1852                        struct qeth_cmd_buffer *iob,
1853                        int (*reply_cb)
1854                        (struct qeth_card *, struct qeth_reply*, unsigned long),
1855                        void *reply_param)
1856
1857 {
1858         int rc;
1859         unsigned long flags;
1860         struct qeth_reply *reply = NULL;
1861         struct timer_list timer;
1862
1863         QETH_DBF_TEXT(trace, 2, "sendctl");
1864
1865         reply = qeth_alloc_reply(card);
1866         if (!reply) {
1867                 PRINT_WARN("Could no alloc qeth_reply!\n");
1868                 return -ENOMEM;
1869         }
1870         reply->callback = reply_cb;
1871         reply->param = reply_param;
1872         if (card->state == CARD_STATE_DOWN)
1873                 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1874         else
1875                 reply->seqno = card->seqno.ipa++;
1876         init_timer(&timer);
1877         timer.function = qeth_cmd_timeout;
1878         timer.data = (unsigned long) reply;
1879         init_waitqueue_head(&reply->wait_q);
1880         spin_lock_irqsave(&card->lock, flags);
1881         list_add_tail(&reply->list, &card->cmd_waiter_list);
1882         spin_unlock_irqrestore(&card->lock, flags);
1883         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1884         wait_event(card->wait_q,
1885                    atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1886         qeth_prepare_control_data(card, len, iob);
1887         if (IS_IPA(iob->data))
1888                 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1889         else
1890                 timer.expires = jiffies + QETH_TIMEOUT;
1891         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1892         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1893         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1894                               (addr_t) iob, 0, 0);
1895         spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1896         if (rc){
1897                 PRINT_WARN("qeth_send_control_data: "
1898                            "ccw_device_start rc = %i\n", rc);
1899                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1900                 spin_lock_irqsave(&card->lock, flags);
1901                 list_del_init(&reply->list);
1902                 qeth_put_reply(reply);
1903                 spin_unlock_irqrestore(&card->lock, flags);
1904                 qeth_release_buffer(iob->channel, iob);
1905                 atomic_set(&card->write.irq_pending, 0);
1906                 wake_up(&card->wait_q);
1907                 return rc;
1908         }
1909         add_timer(&timer);
1910         wait_event(reply->wait_q, reply->received);
1911         del_timer_sync(&timer);
1912         rc = reply->rc;
1913         qeth_put_reply(reply);
1914         return rc;
1915 }
1916
1917 static int
1918 qeth_osn_send_control_data(struct qeth_card *card, int len,
1919                            struct qeth_cmd_buffer *iob)
1920 {
1921         unsigned long flags;
1922         int rc = 0;
1923
1924         QETH_DBF_TEXT(trace, 5, "osndctrd");
1925
1926         wait_event(card->wait_q,
1927                    atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1928         qeth_prepare_control_data(card, len, iob);
1929         QETH_DBF_TEXT(trace, 6, "osnoirqp");
1930         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1931         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1932                               (addr_t) iob, 0, 0);
1933         spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1934         if (rc){
1935                 PRINT_WARN("qeth_osn_send_control_data: "
1936                            "ccw_device_start rc = %i\n", rc);
1937                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1938                 qeth_release_buffer(iob->channel, iob);
1939                 atomic_set(&card->write.irq_pending, 0);
1940                 wake_up(&card->wait_q);
1941         }
1942         return rc;
1943 }
1944
1945 static inline void
1946 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1947                      char prot_type)
1948 {
1949         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1950         memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1951         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1952                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1953 }
1954
1955 static int
1956 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1957                       int data_len)
1958 {
1959         u16 s1, s2;
1960
1961         QETH_DBF_TEXT(trace,4,"osndipa");
1962
1963         qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1964         s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1965         s2 = (u16)data_len;
1966         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1967         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1968         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1969         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1970         return qeth_osn_send_control_data(card, s1, iob);
1971 }
1972
1973 static int
1974 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1975                   int (*reply_cb)
1976                   (struct qeth_card *,struct qeth_reply*, unsigned long),
1977                   void *reply_param)
1978 {
1979         int rc;
1980         char prot_type;
1981
1982         QETH_DBF_TEXT(trace,4,"sendipa");
1983
1984         if (card->options.layer2)
1985                 if (card->info.type == QETH_CARD_TYPE_OSN)
1986                         prot_type = QETH_PROT_OSN2;
1987                 else
1988                         prot_type = QETH_PROT_LAYER2;
1989         else
1990                 prot_type = QETH_PROT_TCPIP;
1991         qeth_prepare_ipa_cmd(card,iob,prot_type);
1992         rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1993                                     reply_cb, reply_param);
1994         return rc;
1995 }
1996
1997
1998 static int
1999 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2000                   unsigned long data)
2001 {
2002         struct qeth_cmd_buffer *iob;
2003
2004         QETH_DBF_TEXT(setup, 2, "cmenblcb");
2005
2006         iob = (struct qeth_cmd_buffer *) data;
2007         memcpy(&card->token.cm_filter_r,
2008                QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2009                QETH_MPC_TOKEN_LENGTH);
2010         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2011         return 0;
2012 }
2013
2014 static int
2015 qeth_cm_enable(struct qeth_card *card)
2016 {
2017         int rc;
2018         struct qeth_cmd_buffer *iob;
2019
2020         QETH_DBF_TEXT(setup,2,"cmenable");
2021
2022         iob = qeth_wait_for_buffer(&card->write);
2023         memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2024         memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2025                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2026         memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2027                &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2028
2029         rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2030                                     qeth_cm_enable_cb, NULL);
2031         return rc;
2032 }
2033
2034 static int
2035 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2036                  unsigned long data)
2037 {
2038
2039         struct qeth_cmd_buffer *iob;
2040
2041         QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2042
2043         iob = (struct qeth_cmd_buffer *) data;
2044         memcpy(&card->token.cm_connection_r,
2045                QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2046                QETH_MPC_TOKEN_LENGTH);
2047         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2048         return 0;
2049 }
2050
2051 static int
2052 qeth_cm_setup(struct qeth_card *card)
2053 {
2054         int rc;
2055         struct qeth_cmd_buffer *iob;
2056
2057         QETH_DBF_TEXT(setup,2,"cmsetup");
2058
2059         iob = qeth_wait_for_buffer(&card->write);
2060         memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2061         memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2062                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2063         memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2064                &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2065         memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2066                &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2067         rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2068                                     qeth_cm_setup_cb, NULL);
2069         return rc;
2070
2071 }
2072
2073 static int
2074 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2075                    unsigned long data)
2076 {
2077
2078         __u16 mtu, framesize;
2079         __u16 len;
2080         __u8 link_type;
2081         struct qeth_cmd_buffer *iob;
2082
2083         QETH_DBF_TEXT(setup, 2, "ulpenacb");
2084
2085         iob = (struct qeth_cmd_buffer *) data;
2086         memcpy(&card->token.ulp_filter_r,
2087                QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2088                QETH_MPC_TOKEN_LENGTH);
2089         if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2090                 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2091                 mtu = qeth_get_mtu_outof_framesize(framesize);
2092                 if (!mtu) {
2093                         iob->rc = -EINVAL;
2094                         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2095                         return 0;
2096                 }
2097                 card->info.max_mtu = mtu;
2098                 card->info.initial_mtu = mtu;
2099                 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2100         } else {
2101                 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2102                 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2103                 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2104         }
2105
2106         memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2107         if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2108                 memcpy(&link_type,
2109                        QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2110                 card->info.link_type = link_type;
2111         } else
2112                 card->info.link_type = 0;
2113         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2114         return 0;
2115 }
2116
2117 static int
2118 qeth_ulp_enable(struct qeth_card *card)
2119 {
2120         int rc;
2121         char prot_type;
2122         struct qeth_cmd_buffer *iob;
2123
2124         /*FIXME: trace view callbacks*/
2125         QETH_DBF_TEXT(setup,2,"ulpenabl");
2126
2127         iob = qeth_wait_for_buffer(&card->write);
2128         memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2129
2130         *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2131                 (__u8) card->info.portno;
2132         if (card->options.layer2)
2133                 if (card->info.type == QETH_CARD_TYPE_OSN)
2134                         prot_type = QETH_PROT_OSN2;
2135                 else
2136                         prot_type = QETH_PROT_LAYER2;
2137         else
2138                 prot_type = QETH_PROT_TCPIP;
2139
2140         memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2141         memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2142                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2143         memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2144                &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2145         memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2146                card->info.portname, 9);
2147         rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2148                                     qeth_ulp_enable_cb, NULL);
2149         return rc;
2150
2151 }
2152
2153 static inline __u16
2154 __raw_devno_from_bus_id(char *id)
2155 {
2156         id += (strlen(id) - 4);
2157         return (__u16) simple_strtoul(id, &id, 16);
2158 }
2159
2160 static int
2161 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2162                   unsigned long data)
2163 {
2164         struct qeth_cmd_buffer *iob;
2165
2166         QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2167
2168         iob = (struct qeth_cmd_buffer *) data;
2169         memcpy(&card->token.ulp_connection_r,
2170                QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2171                QETH_MPC_TOKEN_LENGTH);
2172         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2173         return 0;
2174 }
2175
2176 static int
2177 qeth_ulp_setup(struct qeth_card *card)
2178 {
2179         int rc;
2180         __u16 temp;
2181         struct qeth_cmd_buffer *iob;
2182
2183         QETH_DBF_TEXT(setup,2,"ulpsetup");
2184
2185         iob = qeth_wait_for_buffer(&card->write);
2186         memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2187
2188         memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2189                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2190         memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2191                &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2192         memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2193                &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2194
2195         temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2196         memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2197         temp = (card->info.cula << 8) + card->info.unit_addr2;
2198         memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2199         rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2200                                     qeth_ulp_setup_cb, NULL);
2201         return rc;
2202 }
2203
2204 static inline int
2205 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2206                        unsigned int siga_error, const char *dbftext)
2207 {
2208         if (qdio_error || siga_error) {
2209                 QETH_DBF_TEXT(trace, 2, dbftext);
2210                 QETH_DBF_TEXT(qerr, 2, dbftext);
2211                 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2212                                buf->element[15].flags & 0xff);
2213                 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2214                                buf->element[14].flags & 0xff);
2215                 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2216                 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2217                 return 1;
2218         }
2219         return 0;
2220 }
2221
2222 static inline struct sk_buff *
2223 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2224 {
2225         struct sk_buff* skb;
2226         int add_len;
2227
2228         add_len = 0;
2229         if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2230                 add_len = sizeof(struct qeth_hdr);
2231 #ifdef CONFIG_QETH_VLAN
2232         else
2233                 add_len = VLAN_HLEN;
2234 #endif
2235         skb = dev_alloc_skb(length + add_len);
2236         if (skb && add_len)
2237                 skb_reserve(skb, add_len);
2238         return skb;
2239 }
2240
2241 static inline struct sk_buff *
2242 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2243                   struct qdio_buffer_element **__element, int *__offset,
2244                   struct qeth_hdr **hdr)
2245 {
2246         struct qdio_buffer_element *element = *__element;
2247         int offset = *__offset;
2248         struct sk_buff *skb = NULL;
2249         int skb_len;
2250         void *data_ptr;
2251         int data_len;
2252
2253         QETH_DBF_TEXT(trace,6,"nextskb");
2254         /* qeth_hdr must not cross element boundaries */
2255         if (element->length < offset + sizeof(struct qeth_hdr)){
2256                 if (qeth_is_last_sbale(element))
2257                         return NULL;
2258                 element++;
2259                 offset = 0;
2260                 if (element->length < sizeof(struct qeth_hdr))
2261                         return NULL;
2262         }
2263         *hdr = element->addr + offset;
2264
2265         offset += sizeof(struct qeth_hdr);
2266         if (card->options.layer2)
2267                 if (card->info.type == QETH_CARD_TYPE_OSN)
2268                         skb_len = (*hdr)->hdr.osn.pdu_length;
2269                 else
2270                         skb_len = (*hdr)->hdr.l2.pkt_length;
2271         else
2272                 skb_len = (*hdr)->hdr.l3.length;
2273
2274         if (!skb_len)
2275                 return NULL;
2276         if (card->options.fake_ll){
2277                 if(card->dev->type == ARPHRD_IEEE802_TR){
2278                         if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2279                                 goto no_mem;
2280                         skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2281                 } else {
2282                         if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2283                                 goto no_mem;
2284                         skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2285                 }
2286         } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2287                 goto no_mem;
2288         data_ptr = element->addr + offset;
2289         while (skb_len) {
2290                 data_len = min(skb_len, (int)(element->length - offset));
2291                 if (data_len)
2292                         memcpy(skb_put(skb, data_len), data_ptr, data_len);
2293                 skb_len -= data_len;
2294                 if (skb_len){
2295                         if (qeth_is_last_sbale(element)){
2296                                 QETH_DBF_TEXT(trace,4,"unexeob");
2297                                 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2298                                 QETH_DBF_TEXT(qerr,2,"unexeob");
2299                                 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2300                                 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2301                                 dev_kfree_skb_any(skb);
2302                                 card->stats.rx_errors++;
2303                                 return NULL;
2304                         }
2305                         element++;
2306                         offset = 0;
2307                         data_ptr = element->addr;
2308                 } else {
2309                         offset += data_len;
2310                 }
2311         }
2312         *__element = element;
2313         *__offset = offset;
2314         return skb;
2315 no_mem:
2316         if (net_ratelimit()){
2317                 PRINT_WARN("No memory for packet received on %s.\n",
2318                            QETH_CARD_IFNAME(card));
2319                 QETH_DBF_TEXT(trace,2,"noskbmem");
2320                 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2321         }
2322         card->stats.rx_dropped++;
2323         return NULL;
2324 }
2325
2326 static inline __be16
2327 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2328 {
2329         struct qeth_card *card;
2330         struct ethhdr *eth;
2331
2332         QETH_DBF_TEXT(trace,6,"typtrans");
2333
2334         card = (struct qeth_card *)dev->priv;
2335 #ifdef CONFIG_TR
2336         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2337             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2338                 return tr_type_trans(skb,dev);
2339 #endif /* CONFIG_TR */
2340         skb->mac.raw = skb->data;
2341         skb_pull(skb, ETH_HLEN );
2342         eth = eth_hdr(skb);
2343
2344         if (*eth->h_dest & 1) {
2345                 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2346                         skb->pkt_type = PACKET_BROADCAST;
2347                 else
2348                         skb->pkt_type = PACKET_MULTICAST;
2349         } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2350                 skb->pkt_type = PACKET_OTHERHOST;
2351
2352         if (ntohs(eth->h_proto) >= 1536)
2353                 return eth->h_proto;
2354         if (*(unsigned short *) (skb->data) == 0xFFFF)
2355                 return htons(ETH_P_802_3);
2356         return htons(ETH_P_802_2);
2357 }
2358
2359 static inline void
2360 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2361                          struct qeth_hdr *hdr)
2362 {
2363         struct trh_hdr *fake_hdr;
2364         struct trllc *fake_llc;
2365         struct iphdr *ip_hdr;
2366
2367         QETH_DBF_TEXT(trace,5,"skbfktr");
2368         skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2369         /* this is a fake ethernet header */
2370         fake_hdr = (struct trh_hdr *) skb->mac.raw;
2371
2372         /* the destination MAC address */
2373         switch (skb->pkt_type){
2374         case PACKET_MULTICAST:
2375                 switch (skb->protocol){
2376 #ifdef CONFIG_QETH_IPV6
2377                 case __constant_htons(ETH_P_IPV6):
2378                         ndisc_mc_map((struct in6_addr *)
2379                                      skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2380                                      fake_hdr->daddr, card->dev, 0);
2381                         break;
2382 #endif /* CONFIG_QETH_IPV6 */
2383                 case __constant_htons(ETH_P_IP):
2384                         ip_hdr = (struct iphdr *)skb->data;
2385                         ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2386                         break;
2387                 default:
2388                         memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2389                 }
2390                 break;
2391         case PACKET_BROADCAST:
2392                 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2393                 break;
2394         default:
2395                 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2396         }
2397         /* the source MAC address */
2398         if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2399                 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2400         else
2401                 memset(fake_hdr->saddr, 0, TR_ALEN);
2402         fake_hdr->rcf=0;
2403         fake_llc = (struct trllc*)&(fake_hdr->rcf);
2404         fake_llc->dsap = EXTENDED_SAP;
2405         fake_llc->ssap = EXTENDED_SAP;
2406         fake_llc->llc  = UI_CMD;
2407         fake_llc->protid[0] = 0;
2408         fake_llc->protid[1] = 0;
2409         fake_llc->protid[2] = 0;
2410         fake_llc->ethertype = ETH_P_IP;
2411 }
2412
2413 static inline void
2414 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2415                          struct qeth_hdr *hdr)
2416 {
2417         struct ethhdr *fake_hdr;
2418         struct iphdr *ip_hdr;
2419
2420         QETH_DBF_TEXT(trace,5,"skbfketh");
2421         skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2422         /* this is a fake ethernet header */
2423         fake_hdr = (struct ethhdr *) skb->mac.raw;
2424
2425         /* the destination MAC address */
2426         switch (skb->pkt_type){
2427         case PACKET_MULTICAST:
2428                 switch (skb->protocol){
2429 #ifdef CONFIG_QETH_IPV6
2430                 case __constant_htons(ETH_P_IPV6):
2431                         ndisc_mc_map((struct in6_addr *)
2432                                      skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2433                                      fake_hdr->h_dest, card->dev, 0);
2434                         break;
2435 #endif /* CONFIG_QETH_IPV6 */
2436                 case __constant_htons(ETH_P_IP):
2437                         ip_hdr = (struct iphdr *)skb->data;
2438                         ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2439                         break;
2440                 default:
2441                         memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2442                 }
2443                 break;
2444         case PACKET_BROADCAST:
2445                 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2446                 break;
2447         default:
2448                 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2449         }
2450         /* the source MAC address */
2451         if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2452                 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2453         else
2454                 memset(fake_hdr->h_source, 0, ETH_ALEN);
2455         /* the protocol */
2456         fake_hdr->h_proto = skb->protocol;
2457 }
2458
2459 static inline void
2460 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2461                         struct qeth_hdr *hdr)
2462 {
2463         if (card->dev->type == ARPHRD_IEEE802_TR)
2464                 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2465         else
2466                 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2467 }
2468
2469 static inline void
2470 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2471                       struct qeth_hdr *hdr)
2472 {
2473 #ifdef CONFIG_QETH_VLAN
2474         u16 *vlan_tag;
2475
2476         if (hdr->hdr.l3.ext_flags &
2477             (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2478                 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2479                 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2480                         hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2481                 *(vlan_tag + 1) = skb->protocol;
2482                 skb->protocol = __constant_htons(ETH_P_8021Q);
2483         }
2484 #endif /* CONFIG_QETH_VLAN */
2485 }
2486
2487 static inline __u16
2488 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2489                         struct qeth_hdr *hdr)
2490 {
2491         unsigned short vlan_id = 0;
2492 #ifdef CONFIG_QETH_VLAN
2493         struct vlan_hdr *vhdr;
2494 #endif
2495
2496         skb->pkt_type = PACKET_HOST;
2497         skb->protocol = qeth_type_trans(skb, skb->dev);
2498         if (card->options.checksum_type == NO_CHECKSUMMING)
2499                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2500         else
2501                 skb->ip_summed = CHECKSUM_NONE;
2502 #ifdef CONFIG_QETH_VLAN
2503         if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2504                 vhdr = (struct vlan_hdr *) skb->data;
2505                 skb->protocol =
2506                         __constant_htons(vhdr->h_vlan_encapsulated_proto);
2507                 vlan_id = hdr->hdr.l2.vlan_id;
2508                 skb_pull(skb, VLAN_HLEN);
2509         }
2510 #endif
2511         *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2512         return vlan_id;
2513 }
2514
2515 static inline void
2516 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2517                  struct qeth_hdr *hdr)
2518 {
2519 #ifdef CONFIG_QETH_IPV6
2520         if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2521                 skb->pkt_type = PACKET_HOST;
2522                 skb->protocol = qeth_type_trans(skb, card->dev);
2523                 return;
2524         }
2525 #endif /* CONFIG_QETH_IPV6 */
2526         skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2527                               ETH_P_IP);
2528         switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2529         case QETH_CAST_UNICAST:
2530                 skb->pkt_type = PACKET_HOST;
2531                 break;
2532         case QETH_CAST_MULTICAST:
2533                 skb->pkt_type = PACKET_MULTICAST;
2534                 card->stats.multicast++;
2535                 break;
2536         case QETH_CAST_BROADCAST:
2537                 skb->pkt_type = PACKET_BROADCAST;
2538                 card->stats.multicast++;
2539                 break;
2540         case QETH_CAST_ANYCAST:
2541         case QETH_CAST_NOCAST:
2542         default:
2543                 skb->pkt_type = PACKET_HOST;
2544         }
2545         qeth_rebuild_skb_vlan(card, skb, hdr);
2546         if (card->options.fake_ll)
2547                 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2548         else
2549                 skb->mac.raw = skb->data;
2550         skb->ip_summed = card->options.checksum_type;
2551         if (card->options.checksum_type == HW_CHECKSUMMING){
2552                 if ( (hdr->hdr.l3.ext_flags &
2553                       (QETH_HDR_EXT_CSUM_HDR_REQ |
2554                        QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2555                      (QETH_HDR_EXT_CSUM_HDR_REQ |
2556                       QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2557                         skb->ip_summed = CHECKSUM_UNNECESSARY;
2558                 else
2559                         skb->ip_summed = SW_CHECKSUMMING;
2560         }
2561 }
2562
2563 static inline void
2564 qeth_process_inbound_buffer(struct qeth_card *card,
2565                             struct qeth_qdio_buffer *buf, int index)
2566 {
2567         struct qdio_buffer_element *element;
2568         struct sk_buff *skb;
2569         struct qeth_hdr *hdr;
2570         int offset;
2571         int rxrc;
2572         __u16 vlan_tag = 0;
2573
2574         /* get first element of current buffer */
2575         element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2576         offset = 0;
2577 #ifdef CONFIG_QETH_PERF_STATS
2578         card->perf_stats.bufs_rec++;
2579 #endif
2580         while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2581                                        &offset, &hdr))) {
2582                 skb->dev = card->dev;
2583                 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2584                         vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2585                 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2586                         qeth_rebuild_skb(card, skb, hdr);
2587                 else { /*in case of OSN*/
2588                         skb_push(skb, sizeof(struct qeth_hdr));
2589                         memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2590                 }
2591                 /* is device UP ? */
2592                 if (!(card->dev->flags & IFF_UP)){
2593                         dev_kfree_skb_any(skb);
2594                         continue;
2595                 }
2596 #ifdef CONFIG_QETH_VLAN
2597                 if (vlan_tag)
2598                         vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2599                 else
2600 #endif
2601                 if (card->info.type == QETH_CARD_TYPE_OSN)
2602                         rxrc = card->osn_info.data_cb(skb);
2603                 else
2604                         rxrc = netif_rx(skb);
2605                 card->dev->last_rx = jiffies;
2606                 card->stats.rx_packets++;
2607                 card->stats.rx_bytes += skb->len;
2608         }
2609 }
2610
2611 static inline struct qeth_buffer_pool_entry *
2612 qeth_get_buffer_pool_entry(struct qeth_card *card)
2613 {
2614         struct qeth_buffer_pool_entry *entry;
2615
2616         QETH_DBF_TEXT(trace, 6, "gtbfplen");
2617         if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2618                 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2619                                 struct qeth_buffer_pool_entry, list);
2620                 list_del_init(&entry->list);
2621                 return entry;
2622         }
2623         return NULL;
2624 }
2625
2626 static inline void
2627 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2628 {
2629         struct qeth_buffer_pool_entry *pool_entry;
2630         int i;
2631
2632         pool_entry = qeth_get_buffer_pool_entry(card);
2633         /*
2634          * since the buffer is accessed only from the input_tasklet
2635          * there shouldn't be a need to synchronize; also, since we use
2636          * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run  out off
2637          * buffers
2638          */
2639         BUG_ON(!pool_entry);
2640
2641         buf->pool_entry = pool_entry;
2642         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2643                 buf->buffer->element[i].length = PAGE_SIZE;
2644                 buf->buffer->element[i].addr =  pool_entry->elements[i];
2645                 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2646                         buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2647                 else
2648                         buf->buffer->element[i].flags = 0;
2649         }
2650         buf->state = QETH_QDIO_BUF_EMPTY;
2651 }
2652
2653 static inline void
2654 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2655                          struct qeth_qdio_out_buffer *buf)
2656 {
2657         int i;
2658         struct sk_buff *skb;
2659
2660         /* is PCI flag set on buffer? */
2661         if (buf->buffer->element[0].flags & 0x40)
2662                 atomic_dec(&queue->set_pci_flags_count);
2663
2664         while ((skb = skb_dequeue(&buf->skb_list))){
2665                 atomic_dec(&skb->users);
2666                 dev_kfree_skb_any(skb);
2667         }
2668         qeth_eddp_buf_release_contexts(buf);
2669         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2670                 buf->buffer->element[i].length = 0;
2671                 buf->buffer->element[i].addr = NULL;
2672                 buf->buffer->element[i].flags = 0;
2673         }
2674         buf->next_element_to_fill = 0;
2675         atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2676 }
2677
2678 static inline void
2679 qeth_queue_input_buffer(struct qeth_card *card, int index)
2680 {
2681         struct qeth_qdio_q *queue = card->qdio.in_q;
2682         int count;
2683         int i;
2684         int rc;
2685
2686         QETH_DBF_TEXT(trace,6,"queinbuf");
2687         count = (index < queue->next_buf_to_init)?
2688                 card->qdio.in_buf_pool.buf_count -
2689                 (queue->next_buf_to_init - index) :
2690                 card->qdio.in_buf_pool.buf_count -
2691                 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2692         /* only requeue at a certain threshold to avoid SIGAs */
2693         if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2694                 for (i = queue->next_buf_to_init;
2695                      i < queue->next_buf_to_init + count; ++i)
2696                         qeth_init_input_buffer(card,
2697                                 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2698                 /*
2699                  * according to old code it should be avoided to requeue all
2700                  * 128 buffers in order to benefit from PCI avoidance.
2701                  * this function keeps at least one buffer (the buffer at
2702                  * 'index') un-requeued -> this buffer is the first buffer that
2703                  * will be requeued the next time
2704                  */
2705 #ifdef CONFIG_QETH_PERF_STATS
2706                 card->perf_stats.inbound_do_qdio_cnt++;
2707                 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2708 #endif
2709                 rc = do_QDIO(CARD_DDEV(card),
2710                              QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2711                              0, queue->next_buf_to_init, count, NULL);
2712 #ifdef CONFIG_QETH_PERF_STATS
2713                 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2714                         card->perf_stats.inbound_do_qdio_start_time;
2715 #endif
2716                 if (rc){
2717                         PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2718                                    "return %i (device %s).\n",
2719                                    rc, CARD_DDEV_ID(card));
2720                         QETH_DBF_TEXT(trace,2,"qinberr");
2721                         QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2722                 }
2723                 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2724                                           QDIO_MAX_BUFFERS_PER_Q;
2725         }
2726 }
2727
2728 static inline void
2729 qeth_put_buffer_pool_entry(struct qeth_card *card,
2730                            struct qeth_buffer_pool_entry *entry)
2731 {
2732         QETH_DBF_TEXT(trace, 6, "ptbfplen");
2733         list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2734 }
2735
2736 static void
2737 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2738                         unsigned int qdio_err, unsigned int siga_err,
2739                         unsigned int queue, int first_element, int count,
2740                         unsigned long card_ptr)
2741 {
2742         struct net_device *net_dev;
2743         struct qeth_card *card;
2744         struct qeth_qdio_buffer *buffer;
2745         int index;
2746         int i;
2747
2748         QETH_DBF_TEXT(trace, 6, "qdinput");
2749         card = (struct qeth_card *) card_ptr;
2750         net_dev = card->dev;
2751 #ifdef CONFIG_QETH_PERF_STATS
2752         card->perf_stats.inbound_cnt++;
2753         card->perf_stats.inbound_start_time = qeth_get_micros();
2754 #endif
2755         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2756                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2757                         QETH_DBF_TEXT(trace, 1,"qdinchk");
2758                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2759                         QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2760                         QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2761                         qeth_schedule_recovery(card);
2762                         return;
2763                 }
2764         }
2765         for (i = first_element; i < (first_element + count); ++i) {
2766                 index = i % QDIO_MAX_BUFFERS_PER_Q;
2767                 buffer = &card->qdio.in_q->bufs[index];
2768                 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2769                       qeth_check_qdio_errors(buffer->buffer,
2770                                              qdio_err, siga_err,"qinerr")))
2771                         qeth_process_inbound_buffer(card, buffer, index);
2772                 /* clear buffer and give back to hardware */
2773                 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2774                 qeth_queue_input_buffer(card, index);
2775         }
2776 #ifdef CONFIG_QETH_PERF_STATS
2777         card->perf_stats.inbound_time += qeth_get_micros() -
2778                 card->perf_stats.inbound_start_time;
2779 #endif
2780 }
2781
2782 static inline int
2783 qeth_handle_send_error(struct qeth_card *card,
2784                        struct qeth_qdio_out_buffer *buffer,
2785                        unsigned int qdio_err, unsigned int siga_err)
2786 {
2787         int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2788         int cc = siga_err & 3;
2789
2790         QETH_DBF_TEXT(trace, 6, "hdsnderr");
2791         qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2792         switch (cc) {
2793         case 0:
2794                 if (qdio_err){
2795                         QETH_DBF_TEXT(trace, 1,"lnkfail");
2796                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2797                         QETH_DBF_TEXT_(trace,1,"%04x %02x",
2798                                        (u16)qdio_err, (u8)sbalf15);
2799                         return QETH_SEND_ERROR_LINK_FAILURE;
2800                 }
2801                 return QETH_SEND_ERROR_NONE;
2802         case 2:
2803                 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2804                         QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2805                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2806                         return QETH_SEND_ERROR_KICK_IT;
2807                 }
2808                 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2809                         return QETH_SEND_ERROR_RETRY;
2810                 return QETH_SEND_ERROR_LINK_FAILURE;
2811                 /* look at qdio_error and sbalf 15 */
2812         case 1:
2813                 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2814                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2815                 return QETH_SEND_ERROR_LINK_FAILURE;
2816         case 3:
2817                 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2818                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2819                 return QETH_SEND_ERROR_KICK_IT;
2820         }
2821         return QETH_SEND_ERROR_LINK_FAILURE;
2822 }
2823
2824 void
2825 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2826                    int index, int count)
2827 {
2828         struct qeth_qdio_out_buffer *buf;
2829         int rc;
2830         int i;
2831
2832         QETH_DBF_TEXT(trace, 6, "flushbuf");
2833
2834         for (i = index; i < index + count; ++i) {
2835                 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2836                 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2837                                 SBAL_FLAGS_LAST_ENTRY;
2838
2839                 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2840                         continue;
2841
2842                 if (!queue->do_pack){
2843                         if ((atomic_read(&queue->used_buffers) >=
2844                                 (QETH_HIGH_WATERMARK_PACK -
2845                                  QETH_WATERMARK_PACK_FUZZ)) &&
2846                             !atomic_read(&queue->set_pci_flags_count)){
2847                                 /* it's likely that we'll go to packing
2848                                  * mode soon */
2849                                 atomic_inc(&queue->set_pci_flags_count);
2850                                 buf->buffer->element[0].flags |= 0x40;
2851                         }
2852                 } else {
2853                         if (!atomic_read(&queue->set_pci_flags_count)){
2854                                 /*
2855                                  * there's no outstanding PCI any more, so we
2856                                  * have to request a PCI to be sure the the PCI
2857                                  * will wake at some time in the future then we
2858                                  * can flush packed buffers that might still be
2859                                  * hanging around, which can happen if no
2860                                  * further send was requested by the stack
2861                                  */
2862                                 atomic_inc(&queue->set_pci_flags_count);
2863                                 buf->buffer->element[0].flags |= 0x40;
2864                         }
2865                 }
2866         }
2867
2868         queue->card->dev->trans_start = jiffies;
2869 #ifdef CONFIG_QETH_PERF_STATS
2870         queue->card->perf_stats.outbound_do_qdio_cnt++;
2871         queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2872 #endif
2873         if (under_int)
2874                 rc = do_QDIO(CARD_DDEV(queue->card),
2875                              QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2876                              queue->queue_no, index, count, NULL);
2877         else
2878                 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2879                              queue->queue_no, index, count, NULL);
2880 #ifdef CONFIG_QETH_PERF_STATS
2881         queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2882                 queue->card->perf_stats.outbound_do_qdio_start_time;
2883 #endif
2884         if (rc){
2885                 QETH_DBF_TEXT(trace, 2, "flushbuf");
2886                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2887                 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2888                 queue->card->stats.tx_errors += count;
2889                 /* this must not happen under normal circumstances. if it
2890                  * happens something is really wrong -> recover */
2891                 qeth_schedule_recovery(queue->card);
2892                 return;
2893         }
2894         atomic_add(count, &queue->used_buffers);
2895 #ifdef CONFIG_QETH_PERF_STATS
2896         queue->card->perf_stats.bufs_sent += count;
2897 #endif
2898 }
2899
2900 /*
2901  * Switched to packing state if the number of used buffers on a queue
2902  * reaches a certain limit.
2903  */
2904 static inline void
2905 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2906 {
2907         if (!queue->do_pack) {
2908                 if (atomic_read(&queue->used_buffers)
2909                     >= QETH_HIGH_WATERMARK_PACK){
2910                         /* switch non-PACKING -> PACKING */
2911                         QETH_DBF_TEXT(trace, 6, "np->pack");
2912 #ifdef CONFIG_QETH_PERF_STATS
2913                         queue->card->perf_stats.sc_dp_p++;
2914 #endif
2915                         queue->do_pack = 1;
2916                 }
2917         }
2918 }
2919
2920 /*
2921  * Switches from packing to non-packing mode. If there is a packing
2922  * buffer on the queue this buffer will be prepared to be flushed.
2923  * In that case 1 is returned to inform the caller. If no buffer
2924  * has to be flushed, zero is returned.
2925  */
2926 static inline int
2927 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2928 {
2929         struct qeth_qdio_out_buffer *buffer;
2930         int flush_count = 0;
2931
2932         if (queue->do_pack) {
2933                 if (atomic_read(&queue->used_buffers)
2934                     <= QETH_LOW_WATERMARK_PACK) {
2935                         /* switch PACKING -> non-PACKING */
2936                         QETH_DBF_TEXT(trace, 6, "pack->np");
2937 #ifdef CONFIG_QETH_PERF_STATS
2938                         queue->card->perf_stats.sc_p_dp++;
2939 #endif
2940                         queue->do_pack = 0;
2941                         /* flush packing buffers */
2942                         buffer = &queue->bufs[queue->next_buf_to_fill];
2943                         if ((atomic_read(&buffer->state) ==
2944                                                 QETH_QDIO_BUF_EMPTY) &&
2945                             (buffer->next_element_to_fill > 0)) {
2946                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2947                                 flush_count++;
2948                                 queue->next_buf_to_fill =
2949                                         (queue->next_buf_to_fill + 1) %
2950                                         QDIO_MAX_BUFFERS_PER_Q;
2951                         }
2952                 }
2953         }
2954         return flush_count;
2955 }
2956
2957 /*
2958  * Called to flush a packing buffer if no more pci flags are on the queue.
2959  * Checks if there is a packing buffer and prepares it to be flushed.
2960  * In that case returns 1, otherwise zero.
2961  */
2962 static inline int
2963 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2964 {
2965         struct qeth_qdio_out_buffer *buffer;
2966
2967         buffer = &queue->bufs[queue->next_buf_to_fill];
2968         if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2969            (buffer->next_element_to_fill > 0)){
2970                 /* it's a packing buffer */
2971                 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2972                 queue->next_buf_to_fill =
2973                         (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2974                 return 1;
2975         }
2976         return 0;
2977 }
2978
2979 static inline void
2980 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2981 {
2982         int index;
2983         int flush_cnt = 0;
2984         int q_was_packing = 0;
2985
2986         /*
2987          * check if weed have to switch to non-packing mode or if
2988          * we have to get a pci flag out on the queue
2989          */
2990         if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2991             !atomic_read(&queue->set_pci_flags_count)){
2992                 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2993                                 QETH_OUT_Q_UNLOCKED) {
2994                         /*
2995                          * If we get in here, there was no action in
2996                          * do_send_packet. So, we check if there is a
2997                          * packing buffer to be flushed here.
2998                          */
2999                         netif_stop_queue(queue->card->dev);
3000                         index = queue->next_buf_to_fill;
3001                         q_was_packing = queue->do_pack;
3002                         flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3003                         if (!flush_cnt &&
3004                             !atomic_read(&queue->set_pci_flags_count))
3005                                 flush_cnt +=
3006                                         qeth_flush_buffers_on_no_pci(queue);
3007 #ifdef CONFIG_QETH_PERF_STATS
3008                         if (q_was_packing)
3009                                 queue->card->perf_stats.bufs_sent_pack +=
3010                                         flush_cnt;
3011 #endif
3012                         if (flush_cnt)
3013                                 qeth_flush_buffers(queue, 1, index, flush_cnt);
3014                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3015                 }
3016         }
3017 }
3018
3019 static void
3020 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3021                         unsigned int qdio_error, unsigned int siga_error,
3022                         unsigned int __queue, int first_element, int count,
3023                         unsigned long card_ptr)
3024 {
3025         struct qeth_card *card        = (struct qeth_card *) card_ptr;
3026         struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3027         struct qeth_qdio_out_buffer *buffer;
3028         int i;
3029
3030         QETH_DBF_TEXT(trace, 6, "qdouhdl");
3031         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3032                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3033                         QETH_DBF_TEXT(trace, 2, "achkcond");
3034                         QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3035                         QETH_DBF_TEXT_(trace, 2, "%08x", status);
3036                         netif_stop_queue(card->dev);
3037                         qeth_schedule_recovery(card);
3038                         return;
3039                 }
3040         }
3041 #ifdef CONFIG_QETH_PERF_STATS
3042         card->perf_stats.outbound_handler_cnt++;
3043         card->perf_stats.outbound_handler_start_time = qeth_get_micros();
3044 #endif
3045         for(i = first_element; i < (first_element + count); ++i){
3046                 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3047                 /*we only handle the KICK_IT error by doing a recovery */
3048                 if (qeth_handle_send_error(card, buffer,
3049                                            qdio_error, siga_error)
3050                                 == QETH_SEND_ERROR_KICK_IT){
3051                         netif_stop_queue(card->dev);
3052                         qeth_schedule_recovery(card);
3053                         return;
3054                 }
3055                 qeth_clear_output_buffer(queue, buffer);
3056         }
3057         atomic_sub(count, &queue->used_buffers);
3058         /* check if we need to do something on this outbound queue */
3059         if (card->info.type != QETH_CARD_TYPE_IQD)
3060                 qeth_check_outbound_queue(queue);
3061
3062         netif_wake_queue(queue->card->dev);
3063 #ifdef CONFIG_QETH_PERF_STATS
3064         card->perf_stats.outbound_handler_time += qeth_get_micros() -
3065                 card->perf_stats.outbound_handler_start_time;
3066 #endif
3067 }
3068
3069 static void
3070 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3071 {
3072
3073         param_field[0] = _ascebc['P'];
3074         param_field[1] = _ascebc['C'];
3075         param_field[2] = _ascebc['I'];
3076         param_field[3] = _ascebc['T'];
3077         *((unsigned int *) (&param_field[4])) = QETH_PCI_THRESHOLD_A(card);
3078         *((unsigned int *) (&param_field[8])) = QETH_PCI_THRESHOLD_B(card);
3079         *((unsigned int *) (&param_field[12])) = QETH_PCI_TIMER_VALUE(card);
3080 }
3081
3082 static void
3083 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3084 {
3085         param_field[16] = _ascebc['B'];
3086         param_field[17] = _ascebc['L'];
3087         param_field[18] = _ascebc['K'];
3088         param_field[19] = _ascebc['T'];
3089         *((unsigned int *) (&param_field[20])) = card->info.blkt.time_total;
3090         *((unsigned int *) (&param_field[24])) = card->info.blkt.inter_packet;
3091         *((unsigned int *) (&param_field[28])) = card->info.blkt.inter_packet_jumbo;
3092 }
3093
3094 static void
3095 qeth_initialize_working_pool_list(struct qeth_card *card)
3096 {
3097         struct qeth_buffer_pool_entry *entry;
3098
3099         QETH_DBF_TEXT(trace,5,"inwrklst");
3100
3101         list_for_each_entry(entry,
3102                             &card->qdio.init_pool.entry_list, init_list) {
3103                 qeth_put_buffer_pool_entry(card,entry);
3104         }
3105 }
3106
3107 static void
3108 qeth_clear_working_pool_list(struct qeth_card *card)
3109 {
3110         struct qeth_buffer_pool_entry *pool_entry, *tmp;
3111
3112         QETH_DBF_TEXT(trace,5,"clwrklst");
3113         list_for_each_entry_safe(pool_entry, tmp,
3114                             &card->qdio.in_buf_pool.entry_list, list){
3115                         list_del(&pool_entry->list);
3116         }
3117 }
3118
3119 static void
3120 qeth_free_buffer_pool(struct qeth_card *card)
3121 {
3122         struct qeth_buffer_pool_entry *pool_entry, *tmp;
3123         int i=0;
3124         QETH_DBF_TEXT(trace,5,"freepool");
3125         list_for_each_entry_safe(pool_entry, tmp,
3126                                  &card->qdio.init_pool.entry_list, init_list){
3127                 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3128                         free_page((unsigned long)pool_entry->elements[i]);
3129                 list_del(&pool_entry->init_list);
3130                 kfree(pool_entry);
3131         }
3132 }
3133
3134 static int
3135 qeth_alloc_buffer_pool(struct qeth_card *card)
3136 {
3137         struct qeth_buffer_pool_entry *pool_entry;
3138         void *ptr;
3139         int i, j;
3140
3141         QETH_DBF_TEXT(trace,5,"alocpool");
3142         for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3143                 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3144                 if (!pool_entry){
3145                         qeth_free_buffer_pool(card);
3146                         return -ENOMEM;
3147                 }
3148                 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3149                         ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3150                         if (!ptr) {
3151                                 while (j > 0)
3152                                         free_page((unsigned long)
3153                                                   pool_entry->elements[--j]);
3154                                 kfree(pool_entry);
3155                                 qeth_free_buffer_pool(card);
3156                                 return -ENOMEM;
3157                         }
3158                         pool_entry->elements[j] = ptr;
3159                 }
3160                 list_add(&pool_entry->init_list,
3161                          &card->qdio.init_pool.entry_list);
3162         }
3163         return 0;
3164 }
3165
3166 int
3167 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3168 {
3169         QETH_DBF_TEXT(trace, 2, "realcbp");
3170
3171         if ((card->state != CARD_STATE_DOWN) &&
3172             (card->state != CARD_STATE_RECOVER))
3173                 return -EPERM;
3174
3175         /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3176         qeth_clear_working_pool_list(card);
3177         qeth_free_buffer_pool(card);
3178         card->qdio.in_buf_pool.buf_count = bufcnt;
3179         card->qdio.init_pool.buf_count = bufcnt;
3180         return qeth_alloc_buffer_pool(card);
3181 }
3182
3183 static int
3184 qeth_alloc_qdio_buffers(struct qeth_card *card)
3185 {
3186         int i, j;
3187
3188         QETH_DBF_TEXT(setup, 2, "allcqdbf");
3189
3190         if (card->qdio.state == QETH_QDIO_ALLOCATED)
3191                 return 0;
3192
3193         card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3194                                   GFP_KERNEL|GFP_DMA);
3195         if (!card->qdio.in_q)
3196                 return - ENOMEM;
3197         QETH_DBF_TEXT(setup, 2, "inq");
3198         QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3199         memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3200         /* give inbound qeth_qdio_buffers their qdio_buffers */
3201         for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3202                 card->qdio.in_q->bufs[i].buffer =
3203                         &card->qdio.in_q->qdio_bufs[i];
3204         /* inbound buffer pool */
3205         if (qeth_alloc_buffer_pool(card)){
3206                 kfree(card->qdio.in_q);
3207                 return -ENOMEM;
3208         }
3209         /* outbound */
3210         card->qdio.out_qs =
3211                 kmalloc(card->qdio.no_out_queues *
3212                         sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3213         if (!card->qdio.out_qs){
3214                 qeth_free_buffer_pool(card);
3215                 return -ENOMEM;
3216         }
3217         for (i = 0; i < card->qdio.no_out_queues; ++i){
3218                 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3219                                                GFP_KERNEL|GFP_DMA);
3220                 if (!card->qdio.out_qs[i]){
3221                         while (i > 0)
3222                                 kfree(card->qdio.out_qs[--i]);
3223                         kfree(card->qdio.out_qs);
3224                         return -ENOMEM;
3225                 }
3226                 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3227                 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3228                 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3229                 card->qdio.out_qs[i]->queue_no = i;
3230                 /* give outbound qeth_qdio_buffers their qdio_buffers */
3231                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3232                         card->qdio.out_qs[i]->bufs[j].buffer =
3233                                 &card->qdio.out_qs[i]->qdio_bufs[j];
3234                         skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3235                                             skb_list);
3236                         INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3237                 }
3238         }
3239         card->qdio.state = QETH_QDIO_ALLOCATED;
3240         return 0;
3241 }
3242
3243 static void
3244 qeth_free_qdio_buffers(struct qeth_card *card)
3245 {
3246         int i, j;
3247
3248         QETH_DBF_TEXT(trace, 2, "freeqdbf");
3249         if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3250                 return;
3251         kfree(card->qdio.in_q);
3252         /* inbound buffer pool */
3253         qeth_free_buffer_pool(card);
3254         /* free outbound qdio_qs */
3255         for (i = 0; i < card->qdio.no_out_queues; ++i){
3256                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3257                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3258                                         &card->qdio.out_qs[i]->bufs[j]);
3259                 kfree(card->qdio.out_qs[i]);
3260         }
3261         kfree(card->qdio.out_qs);
3262         card->qdio.state = QETH_QDIO_UNINITIALIZED;
3263 }
3264
3265 static void
3266 qeth_clear_qdio_buffers(struct qeth_card *card)
3267 {
3268         int i, j;
3269
3270         QETH_DBF_TEXT(trace, 2, "clearqdbf");
3271         /* clear outbound buffers to free skbs */
3272         for (i = 0; i < card->qdio.no_out_queues; ++i)
3273                 if (card->qdio.out_qs[i]){
3274                         for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3275                                 qeth_clear_output_buffer(card->qdio.out_qs[i],
3276                                                 &card->qdio.out_qs[i]->bufs[j]);
3277                 }
3278 }
3279
3280 static void
3281 qeth_init_qdio_info(struct qeth_card *card)
3282 {
3283         QETH_DBF_TEXT(setup, 4, "intqdinf");
3284         card->qdio.state = QETH_QDIO_UNINITIALIZED;
3285         /* inbound */
3286         card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3287         card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3288         card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3289         INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3290         INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3291 }
3292
3293 static int
3294 qeth_init_qdio_queues(struct qeth_card *card)
3295 {
3296         int i, j;
3297         int rc;
3298
3299         QETH_DBF_TEXT(setup, 2, "initqdqs");
3300
3301         /* inbound queue */
3302         memset(card->qdio.in_q->qdio_bufs, 0,
3303                QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3304         qeth_initialize_working_pool_list(card);
3305         /*give only as many buffers to hardware as we have buffer pool entries*/
3306         for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3307                 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3308         card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3309         rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3310                      card->qdio.in_buf_pool.buf_count - 1, NULL);
3311         if (rc) {
3312                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3313                 return rc;
3314         }
3315         rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3316         if (rc) {
3317                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3318                 return rc;
3319         }
3320         /* outbound queue */
3321         for (i = 0; i < card->qdio.no_out_queues; ++i){
3322                 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3323                        QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3324                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3325                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3326                                         &card->qdio.out_qs[i]->bufs[j]);
3327                 }
3328                 card->qdio.out_qs[i]->card = card;
3329                 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3330                 card->qdio.out_qs[i]->do_pack = 0;
3331                 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3332                 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3333                 atomic_set(&card->qdio.out_qs[i]->state,
3334                            QETH_OUT_Q_UNLOCKED);
3335         }
3336         return 0;
3337 }
3338
3339 static int
3340 qeth_qdio_establish(struct qeth_card *card)
3341 {
3342         struct qdio_initialize init_data;
3343         char *qib_param_field;
3344         struct qdio_buffer **in_sbal_ptrs;
3345         struct qdio_buffer **out_sbal_ptrs;
3346         int i, j, k;
3347         int rc;
3348
3349         QETH_DBF_TEXT(setup, 2, "qdioest");
3350
3351         qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3352                               GFP_KERNEL);
3353         if (!qib_param_field)
3354                 return -ENOMEM;
3355
3356         memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
3357
3358         qeth_create_qib_param_field(card, qib_param_field);
3359         qeth_create_qib_param_field_blkt(card, qib_param_field);
3360
3361         in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3362                                GFP_KERNEL);
3363         if (!in_sbal_ptrs) {
3364                 kfree(qib_param_field);
3365                 return -ENOMEM;
3366         }
3367         for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3368                 in_sbal_ptrs[i] = (struct qdio_buffer *)
3369                         virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3370
3371         out_sbal_ptrs =
3372                 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3373                         sizeof(void *), GFP_KERNEL);
3374         if (!out_sbal_ptrs) {
3375                 kfree(in_sbal_ptrs);
3376                 kfree(qib_param_field);
3377                 return -ENOMEM;
3378         }
3379         for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3380                 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3381                         out_sbal_ptrs[k] = (struct qdio_buffer *)
3382                                 virt_to_phys(card->qdio.out_qs[i]->
3383                                              bufs[j].buffer);
3384                 }
3385
3386         memset(&init_data, 0, sizeof(struct qdio_initialize));
3387         init_data.cdev                   = CARD_DDEV(card);
3388         init_data.q_format               = qeth_get_qdio_q_format(card);
3389         init_data.qib_param_field_format = 0;
3390         init_data.qib_param_field        = qib_param_field;
3391         init_data.min_input_threshold    = QETH_MIN_INPUT_THRESHOLD;
3392         init_data.max_input_threshold    = QETH_MAX_INPUT_THRESHOLD;
3393         init_data.min_output_threshold   = QETH_MIN_OUTPUT_THRESHOLD;
3394         init_data.max_output_threshold   = QETH_MAX_OUTPUT_THRESHOLD;
3395         init_data.no_input_qs            = 1;
3396         init_data.no_output_qs           = card->qdio.no_out_queues;
3397         init_data.input_handler          = (qdio_handler_t *)
3398                                            qeth_qdio_input_handler;
3399         init_data.output_handler         = (qdio_handler_t *)
3400                                            qeth_qdio_output_handler;
3401         init_data.int_parm               = (unsigned long) card;
3402         init_data.flags                  = QDIO_INBOUND_0COPY_SBALS |
3403                                            QDIO_OUTBOUND_0COPY_SBALS |
3404                                            QDIO_USE_OUTBOUND_PCIS;
3405         init_data.input_sbal_addr_array  = (void **) in_sbal_ptrs;
3406         init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3407
3408         if (!(rc = qdio_initialize(&init_data)))
3409                 card->qdio.state = QETH_QDIO_ESTABLISHED;
3410
3411         kfree(out_sbal_ptrs);
3412         kfree(in_sbal_ptrs);
3413         kfree(qib_param_field);
3414         return rc;
3415 }
3416
3417 static int
3418 qeth_qdio_activate(struct qeth_card *card)
3419 {
3420         QETH_DBF_TEXT(setup,3,"qdioact");
3421         return qdio_activate(CARD_DDEV(card), 0);
3422 }
3423
3424 static int
3425 qeth_clear_channel(struct qeth_channel *channel)
3426 {
3427         unsigned long flags;
3428         struct qeth_card *card;
3429         int rc;
3430
3431         QETH_DBF_TEXT(trace,3,"clearch");
3432         card = CARD_FROM_CDEV(channel->ccwdev);
3433         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3434         rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3435         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3436
3437         if (rc)
3438                 return rc;
3439         rc = wait_event_interruptible_timeout(card->wait_q,
3440                         channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3441         if (rc == -ERESTARTSYS)
3442                 return rc;
3443         if (channel->state != CH_STATE_STOPPED)
3444                 return -ETIME;
3445         channel->state = CH_STATE_DOWN;
3446         return 0;
3447 }
3448
3449 static int
3450 qeth_halt_channel(struct qeth_channel *channel)
3451 {
3452         unsigned long flags;
3453         struct qeth_card *card;
3454         int rc;
3455
3456         QETH_DBF_TEXT(trace,3,"haltch");
3457         card = CARD_FROM_CDEV(channel->ccwdev);
3458         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3459         rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3460         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3461
3462         if (rc)
3463                 return rc;
3464         rc = wait_event_interruptible_timeout(card->wait_q,
3465                         channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3466         if (rc == -ERESTARTSYS)
3467                 return rc;
3468         if (channel->state != CH_STATE_HALTED)
3469                 return -ETIME;
3470         return 0;
3471 }
3472
3473 static int
3474 qeth_halt_channels(struct qeth_card *card)
3475 {
3476         int rc1 = 0, rc2=0, rc3 = 0;
3477
3478         QETH_DBF_TEXT(trace,3,"haltchs");
3479         rc1 = qeth_halt_channel(&card->read);
3480         rc2 = qeth_halt_channel(&card->write);
3481         rc3 = qeth_halt_channel(&card->data);
3482         if (rc1)
3483                 return rc1;
3484         if (rc2)
3485                 return rc2;
3486         return rc3;
3487 }
3488 static int
3489 qeth_clear_channels(struct qeth_card *card)
3490 {
3491         int rc1 = 0, rc2=0, rc3 = 0;
3492
3493         QETH_DBF_TEXT(trace,3,"clearchs");
3494         rc1 = qeth_clear_channel(&card->read);
3495         rc2 = qeth_clear_channel(&card->write);
3496         rc3 = qeth_clear_channel(&card->data);
3497         if (rc1)
3498                 return rc1;
3499         if (rc2)
3500                 return rc2;
3501         return rc3;
3502 }
3503
3504 static int
3505 qeth_clear_halt_card(struct qeth_card *card, int halt)
3506 {
3507         int rc = 0;
3508
3509         QETH_DBF_TEXT(trace,3,"clhacrd");
3510         QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3511
3512         if (halt)
3513                 rc = qeth_halt_channels(card);
3514         if (rc)
3515                 return rc;
3516         return qeth_clear_channels(card);
3517 }
3518
3519 static int
3520 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3521 {
3522         int rc = 0;
3523
3524         QETH_DBF_TEXT(trace,3,"qdioclr");
3525         if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3526                 if ((rc = qdio_cleanup(CARD_DDEV(card),
3527                              (card->info.type == QETH_CARD_TYPE_IQD) ?
3528                              QDIO_FLAG_CLEANUP_USING_HALT :
3529                              QDIO_FLAG_CLEANUP_USING_CLEAR)))
3530                         QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3531                 card->qdio.state = QETH_QDIO_ALLOCATED;
3532         }
3533         if ((rc = qeth_clear_halt_card(card, use_halt)))
3534                 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3535         card->state = CARD_STATE_DOWN;
3536         return rc;
3537 }
3538
3539 static int
3540 qeth_dm_act(struct qeth_card *card)
3541 {
3542         int rc;
3543         struct qeth_cmd_buffer *iob;
3544
3545         QETH_DBF_TEXT(setup,2,"dmact");
3546
3547         iob = qeth_wait_for_buffer(&card->write);
3548         memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3549
3550         memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3551                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3552         memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3553                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3554         rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3555         return rc;
3556 }
3557
3558 static int
3559 qeth_mpc_initialize(struct qeth_card *card)
3560 {
3561         int rc;
3562
3563         QETH_DBF_TEXT(setup,2,"mpcinit");
3564
3565         if ((rc = qeth_issue_next_read(card))){
3566                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3567                 return rc;
3568         }
3569         if ((rc = qeth_cm_enable(card))){
3570                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3571                 goto out_qdio;
3572         }
3573         if ((rc = qeth_cm_setup(card))){
3574                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3575                 goto out_qdio;
3576         }
3577         if ((rc = qeth_ulp_enable(card))){
3578                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3579                 goto out_qdio;
3580         }
3581         if ((rc = qeth_ulp_setup(card))){
3582                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3583                 goto out_qdio;
3584         }
3585         if ((rc = qeth_alloc_qdio_buffers(card))){
3586                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3587                 goto out_qdio;
3588         }
3589         if ((rc = qeth_qdio_establish(card))){
3590                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3591                 qeth_free_qdio_buffers(card);
3592                 goto out_qdio;
3593         }
3594         if ((rc = qeth_qdio_activate(card))){
3595                 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3596                 goto out_qdio;
3597         }
3598         if ((rc = qeth_dm_act(card))){
3599                 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3600                 goto out_qdio;
3601         }
3602
3603         return 0;
3604 out_qdio:
3605         qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3606         return rc;
3607 }
3608
3609 static struct net_device *
3610 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3611 {
3612         struct net_device *dev = NULL;
3613
3614         switch (type) {
3615         case QETH_CARD_TYPE_OSAE:
3616                 switch (linktype) {
3617                 case QETH_LINK_TYPE_LANE_TR:
3618                 case QETH_LINK_TYPE_HSTR:
3619 #ifdef CONFIG_TR
3620                         dev = alloc_trdev(0);
3621 #endif /* CONFIG_TR */
3622                         break;
3623                 default:
3624                         dev = alloc_etherdev(0);
3625                 }
3626                 break;
3627         case QETH_CARD_TYPE_IQD:
3628                 dev = alloc_netdev(0, "hsi%d", ether_setup);
3629                 break;
3630         case QETH_CARD_TYPE_OSN:
3631                 dev = alloc_netdev(0, "osn%d", ether_setup);
3632                 break;
3633         default:
3634                 dev = alloc_etherdev(0);
3635         }
3636         return dev;
3637 }
3638
3639 /*hard_header fake function; used in case fake_ll is set */
3640 static int
3641 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3642                      unsigned short type, void *daddr, void *saddr,
3643                      unsigned len)
3644 {
3645         if(dev->type == ARPHRD_IEEE802_TR){
3646                 struct trh_hdr *hdr;
3647                 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3648                 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3649                 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3650                 return QETH_FAKE_LL_LEN_TR;
3651
3652         } else {
3653                 struct ethhdr *hdr;
3654                 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3655                 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3656                 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3657                 if (type != ETH_P_802_3)
3658                         hdr->h_proto = htons(type);
3659                 else
3660                         hdr->h_proto = htons(len);
3661                 return QETH_FAKE_LL_LEN_ETH;
3662
3663         }
3664 }
3665
3666 static inline int
3667 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3668
3669 static int
3670 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3671 {
3672         int rc;
3673         struct qeth_card *card;
3674
3675         QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3676         card = (struct qeth_card *)dev->priv;
3677         if (skb==NULL) {
3678                 card->stats.tx_dropped++;
3679                 card->stats.tx_errors++;
3680                 /* return OK; otherwise ksoftirqd goes to 100% */
3681                 return NETDEV_TX_OK;
3682         }
3683         if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3684                 card->stats.tx_dropped++;
3685                 card->stats.tx_errors++;
3686                 card->stats.tx_carrier_errors++;
3687                 dev_kfree_skb_any(skb);
3688                 /* return OK; otherwise ksoftirqd goes to 100% */
3689                 return NETDEV_TX_OK;
3690         }
3691 #ifdef CONFIG_QETH_PERF_STATS
3692         card->perf_stats.outbound_cnt++;
3693         card->perf_stats.outbound_start_time = qeth_get_micros();
3694 #endif
3695         netif_stop_queue(dev);
3696         if ((rc = qeth_send_packet(card, skb))) {
3697                 if (rc == -EBUSY) {
3698                         return NETDEV_TX_BUSY;
3699                 } else {
3700                         card->stats.tx_errors++;
3701                         card->stats.tx_dropped++;
3702                         dev_kfree_skb_any(skb);
3703                         /*set to OK; otherwise ksoftirqd goes to 100% */
3704                         rc = NETDEV_TX_OK;
3705                 }
3706         }
3707         netif_wake_queue(dev);
3708 #ifdef CONFIG_QETH_PERF_STATS
3709         card->perf_stats.outbound_time += qeth_get_micros() -
3710                 card->perf_stats.outbound_start_time;
3711 #endif
3712         return rc;
3713 }
3714
3715 static int
3716 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3717 {
3718         int rc = 0;
3719 #ifdef CONFIG_QETH_VLAN
3720         struct vlan_group *vg;
3721         int i;
3722
3723         if (!(vg = card->vlangrp))
3724                 return rc;
3725
3726         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3727                 if (vg->vlan_devices[i] == dev){
3728                         rc = QETH_VLAN_CARD;
3729                         break;
3730                 }
3731         }
3732         if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3733                 return 0;
3734
3735 #endif
3736         return rc;
3737 }
3738
3739 static int
3740 qeth_verify_dev(struct net_device *dev)
3741 {
3742         struct qeth_card *card;
3743         unsigned long flags;
3744         int rc = 0;
3745
3746         read_lock_irqsave(&qeth_card_list.rwlock, flags);
3747         list_for_each_entry(card, &qeth_card_list.list, list){
3748                 if (card->dev == dev){
3749                         rc = QETH_REAL_CARD;
3750                         break;
3751                 }
3752                 rc = qeth_verify_vlan_dev(dev, card);
3753                 if (rc)
3754                         break;
3755         }
3756         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3757
3758         return rc;
3759 }
3760
3761 static struct qeth_card *
3762 qeth_get_card_from_dev(struct net_device *dev)
3763 {
3764         struct qeth_card *card = NULL;
3765         int rc;
3766
3767         rc = qeth_verify_dev(dev);
3768         if (rc == QETH_REAL_CARD)
3769                 card = (struct qeth_card *)dev->priv;
3770         else if (rc == QETH_VLAN_CARD)
3771                 card = (struct qeth_card *)
3772                         VLAN_DEV_INFO(dev)->real_dev->priv;
3773
3774         QETH_DBF_TEXT_(trace, 4, "%d", rc);
3775         return card ;
3776 }
3777
3778 static void
3779 qeth_tx_timeout(struct net_device *dev)
3780 {
3781         struct qeth_card *card;
3782
3783         card = (struct qeth_card *) dev->priv;
3784         card->stats.tx_errors++;
3785         qeth_schedule_recovery(card);
3786 }
3787
3788 static int
3789 qeth_open(struct net_device *dev)
3790 {
3791         struct qeth_card *card;
3792
3793         QETH_DBF_TEXT(trace, 4, "qethopen");
3794
3795         card = (struct qeth_card *) dev->priv;
3796
3797         if (card->state != CARD_STATE_SOFTSETUP)
3798                 return -ENODEV;
3799
3800         if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3801              (card->options.layer2) &&
3802              (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3803                 QETH_DBF_TEXT(trace,4,"nomacadr");
3804                 return -EPERM;
3805         }
3806         card->dev->flags |= IFF_UP;
3807         netif_start_queue(dev);
3808         card->data.state = CH_STATE_UP;
3809         card->state = CARD_STATE_UP;
3810
3811         if (!card->lan_online && netif_carrier_ok(dev))
3812                 netif_carrier_off(dev);
3813         return 0;
3814 }
3815
3816 static int
3817 qeth_stop(struct net_device *dev)
3818 {
3819         struct qeth_card *card;
3820
3821         QETH_DBF_TEXT(trace, 4, "qethstop");
3822
3823         card = (struct qeth_card *) dev->priv;
3824
3825         netif_stop_queue(dev);
3826         card->dev->flags &= ~IFF_UP;
3827         if (card->state == CARD_STATE_UP)
3828                 card->state = CARD_STATE_SOFTSETUP;
3829         return 0;
3830 }
3831
3832 static inline int
3833 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3834 {
3835         int cast_type = RTN_UNSPEC;
3836
3837         if (card->info.type == QETH_CARD_TYPE_OSN)
3838                 return cast_type;
3839
3840         if (skb->dst && skb->dst->neighbour){
3841                 cast_type = skb->dst->neighbour->type;
3842                 if ((cast_type == RTN_BROADCAST) ||
3843                     (cast_type == RTN_MULTICAST) ||
3844                     (cast_type == RTN_ANYCAST))
3845                         return cast_type;
3846                 else
3847                         return RTN_UNSPEC;
3848         }
3849         /* try something else */
3850         if (skb->protocol == ETH_P_IPV6)
3851                 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3852         else if (skb->protocol == ETH_P_IP)
3853                 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3854         /* ... */
3855         if (!memcmp(skb->data, skb->dev->broadcast, 6))
3856                 return RTN_BROADCAST;
3857         else {
3858                 u16 hdr_mac;
3859
3860                 hdr_mac = *((u16 *)skb->data);
3861                 /* tr multicast? */
3862                 switch (card->info.link_type) {
3863                 case QETH_LINK_TYPE_HSTR:
3864                 case QETH_LINK_TYPE_LANE_TR:
3865                         if ((hdr_mac == QETH_TR_MAC_NC) ||
3866                             (hdr_mac == QETH_TR_MAC_C))
3867                                 return RTN_MULTICAST;
3868                 /* eth or so multicast? */
3869                 default:
3870                         if ((hdr_mac == QETH_ETH_MAC_V4) ||
3871                             (hdr_mac == QETH_ETH_MAC_V6))
3872                                 return RTN_MULTICAST;
3873                 }
3874         }
3875         return cast_type;
3876 }
3877
3878 static inline int
3879 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3880                         int ipv, int cast_type)
3881 {
3882         if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3883                 return card->qdio.default_out_queue;
3884         switch (card->qdio.no_out_queues) {
3885         case 4:
3886                 if (cast_type && card->info.is_multicast_different)
3887                         return card->info.is_multicast_different &
3888                                 (card->qdio.no_out_queues - 1);
3889                 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3890                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3891                                 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3892                                         return 3;
3893                                 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3894                                         return 2;
3895                                 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3896                                         return 1;
3897                                 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3898                                         return 0;
3899                         }
3900                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3901                                 return 3 - (skb->nh.iph->tos >> 6);
3902                 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3903                         /* TODO: IPv6!!! */
3904                 }
3905                 return card->qdio.default_out_queue;
3906         case 1: /* fallthrough for single-out-queue 1920-device */
3907         default:
3908                 return card->qdio.default_out_queue;
3909         }
3910 }
3911
3912 static inline int
3913 qeth_get_ip_version(struct sk_buff *skb)
3914 {
3915         switch (skb->protocol) {
3916         case ETH_P_IPV6:
3917                 return 6;
3918         case ETH_P_IP:
3919                 return 4;
3920         default:
3921                 return 0;
3922         }
3923 }
3924
3925 static inline int
3926 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3927                  struct qeth_hdr **hdr, int ipv)
3928 {
3929         int rc = 0;
3930 #ifdef CONFIG_QETH_VLAN
3931         u16 *tag;
3932 #endif
3933
3934         QETH_DBF_TEXT(trace, 6, "prepskb");
3935         if (card->info.type == QETH_CARD_TYPE_OSN) {
3936                 *hdr = (struct qeth_hdr *)(*skb)->data;
3937                 return rc;
3938         }
3939         rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3940         if (rc)
3941                 return rc;
3942 #ifdef CONFIG_QETH_VLAN
3943         if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3944             ((ipv == 6) || card->options.layer2) ) {
3945                 /*
3946                  * Move the mac addresses (6 bytes src, 6 bytes dest)
3947                  * to the beginning of the new header.  We are using three
3948                  * memcpys instead of one memmove to save cycles.
3949                  */
3950                 skb_push(*skb, VLAN_HLEN);
3951                 memcpy((*skb)->data, (*skb)->data + 4, 4);
3952                 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3953                 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3954                 tag = (u16 *)((*skb)->data + 12);
3955                 /*
3956                  * first two bytes  = ETH_P_8021Q (0x8100)
3957                  * second two bytes = VLANID
3958                  */
3959                 *tag = __constant_htons(ETH_P_8021Q);
3960                 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3961         }
3962 #endif
3963         *hdr = (struct qeth_hdr *)
3964                 qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
3965         if (hdr == NULL)
3966                 return -EINVAL;
3967         return 0;
3968 }
3969
3970 static inline u8
3971 qeth_get_qeth_hdr_flags4(int cast_type)
3972 {
3973         if (cast_type == RTN_MULTICAST)
3974                 return QETH_CAST_MULTICAST;
3975         if (cast_type == RTN_BROADCAST)
3976                 return QETH_CAST_BROADCAST;
3977         return QETH_CAST_UNICAST;
3978 }
3979
3980 static inline u8
3981 qeth_get_qeth_hdr_flags6(int cast_type)
3982 {
3983         u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3984         if (cast_type == RTN_MULTICAST)
3985                 return ct | QETH_CAST_MULTICAST;
3986         if (cast_type == RTN_ANYCAST)
3987                 return ct | QETH_CAST_ANYCAST;
3988         if (cast_type == RTN_BROADCAST)
3989                 return ct | QETH_CAST_BROADCAST;
3990         return ct | QETH_CAST_UNICAST;
3991 }
3992
3993 static inline void
3994 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3995                             struct sk_buff *skb)
3996 {
3997         __u16 hdr_mac;
3998
3999         if (!memcmp(skb->data+QETH_HEADER_SIZE,
4000                     skb->dev->broadcast,6)) { /* broadcast? */
4001                 *(__u32 *)hdr->hdr.l2.flags |=
4002                          QETH_LAYER2_FLAG_BROADCAST << 8;
4003                 return;
4004         }
4005         hdr_mac=*((__u16*)skb->data);
4006         /* tr multicast? */
4007         switch (card->info.link_type) {
4008         case QETH_LINK_TYPE_HSTR:
4009         case QETH_LINK_TYPE_LANE_TR:
4010                 if ((hdr_mac == QETH_TR_MAC_NC) ||
4011                     (hdr_mac == QETH_TR_MAC_C) )
4012                         *(__u32 *)hdr->hdr.l2.flags |=
4013                                 QETH_LAYER2_FLAG_MULTICAST << 8;
4014                 else
4015                         *(__u32 *)hdr->hdr.l2.flags |=
4016                                 QETH_LAYER2_FLAG_UNICAST << 8;
4017                 break;
4018                 /* eth or so multicast? */
4019         default:
4020                 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4021                      (hdr_mac==QETH_ETH_MAC_V6) )
4022                         *(__u32 *)hdr->hdr.l2.flags |=
4023                                 QETH_LAYER2_FLAG_MULTICAST << 8;
4024                 else
4025                         *(__u32 *)hdr->hdr.l2.flags |=
4026                                 QETH_LAYER2_FLAG_UNICAST << 8;
4027         }
4028 }
4029
4030 static inline void
4031 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4032                         struct sk_buff *skb, int cast_type)
4033 {
4034         memset(hdr, 0, sizeof(struct qeth_hdr));
4035         hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4036
4037         /* set byte 0 to "0x02" and byte 3 to casting flags */
4038         if (cast_type==RTN_MULTICAST)
4039                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4040         else if (cast_type==RTN_BROADCAST)
4041                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4042          else
4043                 qeth_layer2_get_packet_type(card, hdr, skb);
4044
4045         hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4046 #ifdef CONFIG_QETH_VLAN
4047         /* VSWITCH relies on the VLAN
4048          * information to be present in
4049          * the QDIO header */
4050         if ((card->vlangrp != NULL) &&
4051             vlan_tx_tag_present(skb)) {
4052                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4053                 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4054         }
4055 #endif
4056 }
4057
4058 void
4059 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4060                 struct sk_buff *skb, int ipv, int cast_type)
4061 {
4062         QETH_DBF_TEXT(trace, 6, "fillhdr");
4063
4064         memset(hdr, 0, sizeof(struct qeth_hdr));
4065         if (card->options.layer2) {
4066                 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4067                 return;
4068         }
4069         hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4070         hdr->hdr.l3.ext_flags = 0;
4071 #ifdef CONFIG_QETH_VLAN
4072         /*
4073          * before we're going to overwrite this location with next hop ip.
4074          * v6 uses passthrough, v4 sets the tag in the QDIO header.
4075          */
4076         if (card->vlangrp && vlan_tx_tag_present(skb)) {
4077                 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4078                         QETH_HDR_EXT_VLAN_FRAME :
4079                         QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4080                 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4081         }
4082 #endif /* CONFIG_QETH_VLAN */
4083         hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4084         if (ipv == 4) {  /* IPv4 */
4085                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4086                 memset(hdr->hdr.l3.dest_addr, 0, 12);
4087                 if ((skb->dst) && (skb->dst->neighbour)) {
4088                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4089                             *((u32 *) skb->dst->neighbour->primary_key);
4090                 } else {
4091                         /* fill in destination address used in ip header */
4092                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4093                 }
4094         } else if (ipv == 6) { /* IPv6 or passthru */
4095                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4096                 if ((skb->dst) && (skb->dst->neighbour)) {
4097                         memcpy(hdr->hdr.l3.dest_addr,
4098                                skb->dst->neighbour->primary_key, 16);
4099                 } else {
4100                         /* fill in destination address used in ip header */
4101                         memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4102                 }
4103         } else { /* passthrough */
4104                 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4105                     !memcmp(skb->data + sizeof(struct qeth_hdr) +
4106                     sizeof(__u16), skb->dev->broadcast, 6)) {
4107                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4108                                                 QETH_HDR_PASSTHRU;
4109                 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4110                             skb->dev->broadcast, 6)) {   /* broadcast? */
4111                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4112                                                 QETH_HDR_PASSTHRU;
4113                 } else {
4114                         hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4115                                 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4116                                 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4117                 }
4118         }
4119 }
4120
4121 static inline void
4122 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4123                    int is_tso, int *next_element_to_fill)
4124 {
4125         int length = skb->len;
4126         int length_here;
4127         int element;
4128         char *data;
4129         int first_lap ;
4130
4131         element = *next_element_to_fill;
4132         data = skb->data;
4133         first_lap = (is_tso == 0 ? 1 : 0);
4134
4135         while (length > 0) {
4136                 /* length_here is the remaining amount of data in this page */
4137                 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4138                 if (length < length_here)
4139                         length_here = length;
4140
4141                 buffer->element[element].addr = data;
4142                 buffer->element[element].length = length_here;
4143                 length -= length_here;
4144                 if (!length) {
4145                         if (first_lap)
4146                                 buffer->element[element].flags = 0;
4147                         else
4148                                 buffer->element[element].flags =
4149                                     SBAL_FLAGS_LAST_FRAG;
4150                 } else {
4151                         if (first_lap)
4152                                 buffer->element[element].flags =
4153                                     SBAL_FLAGS_FIRST_FRAG;
4154                         else
4155                                 buffer->element[element].flags =
4156                                     SBAL_FLAGS_MIDDLE_FRAG;
4157                 }
4158                 data += length_here;
4159                 element++;
4160                 first_lap = 0;
4161         }
4162         *next_element_to_fill = element;
4163 }
4164
4165 static inline int
4166 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4167                  struct qeth_qdio_out_buffer *buf,
4168                  struct sk_buff *skb)
4169 {
4170         struct qdio_buffer *buffer;
4171         struct qeth_hdr_tso *hdr;
4172         int flush_cnt = 0, hdr_len, large_send = 0;
4173
4174         QETH_DBF_TEXT(trace, 6, "qdfillbf");
4175
4176         buffer = buf->buffer;
4177         atomic_inc(&skb->users);
4178         skb_queue_tail(&buf->skb_list, skb);
4179
4180         hdr  = (struct qeth_hdr_tso *) skb->data;
4181         /*check first on TSO ....*/
4182         if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4183                 int element = buf->next_element_to_fill;
4184
4185                 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4186                 /*fill first buffer entry only with header information */
4187                 buffer->element[element].addr = skb->data;
4188                 buffer->element[element].length = hdr_len;
4189                 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4190                 buf->next_element_to_fill++;
4191                 skb->data += hdr_len;
4192                 skb->len  -= hdr_len;
4193                 large_send = 1;
4194         }
4195         if (skb_shinfo(skb)->nr_frags == 0)
4196                 __qeth_fill_buffer(skb, buffer, large_send,
4197                                    (int *)&buf->next_element_to_fill);
4198         else
4199                 __qeth_fill_buffer_frag(skb, buffer, large_send,
4200                                         (int *)&buf->next_element_to_fill);
4201
4202         if (!queue->do_pack) {
4203                 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4204                 /* set state to PRIMED -> will be flushed */
4205                 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4206                 flush_cnt = 1;
4207         } else {
4208                 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4209 #ifdef CONFIG_QETH_PERF_STATS
4210                 queue->card->perf_stats.skbs_sent_pack++;
4211 #endif
4212                 if (buf->next_element_to_fill >=
4213                                 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4214                         /*
4215                          * packed buffer if full -> set state PRIMED
4216                          * -> will be flushed
4217                          */
4218                         atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4219                         flush_cnt = 1;
4220                 }
4221         }
4222         return flush_cnt;
4223 }
4224
4225 static inline int
4226 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4227                          struct sk_buff *skb, struct qeth_hdr *hdr,
4228                          int elements_needed,
4229                          struct qeth_eddp_context *ctx)
4230 {
4231         struct qeth_qdio_out_buffer *buffer;
4232         int buffers_needed = 0;
4233         int flush_cnt = 0;
4234         int index;
4235
4236         QETH_DBF_TEXT(trace, 6, "dosndpfa");
4237
4238         /* spin until we get the queue ... */
4239         while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
4240                                        QETH_OUT_Q_LOCKED,
4241                                        &queue->state));
4242         /* ... now we've got the queue */
4243         index = queue->next_buf_to_fill;
4244         buffer = &queue->bufs[queue->next_buf_to_fill];
4245         /*
4246          * check if buffer is empty to make sure that we do not 'overtake'
4247          * ourselves and try to fill a buffer that is already primed
4248          */
4249         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4250                 card->stats.tx_dropped++;
4251                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4252                 return -EBUSY;
4253         }
4254         if (ctx == NULL)
4255                 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4256                                           QDIO_MAX_BUFFERS_PER_Q;
4257         else {
4258                 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4259                 if (buffers_needed < 0) {
4260                         card->stats.tx_dropped++;
4261                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4262                         return -EBUSY;
4263                 }
4264                 queue->next_buf_to_fill =
4265                         (queue->next_buf_to_fill + buffers_needed) %
4266                         QDIO_MAX_BUFFERS_PER_Q;
4267         }
4268         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4269         if (ctx == NULL) {
4270                 qeth_fill_buffer(queue, buffer, skb);
4271                 qeth_flush_buffers(queue, 0, index, 1);
4272         } else {
4273                 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4274                 WARN_ON(buffers_needed != flush_cnt);
4275                 qeth_flush_buffers(queue, 0, index, flush_cnt);
4276         }
4277         return 0;
4278 }
4279
4280 static inline int
4281 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4282                     struct sk_buff *skb, struct qeth_hdr *hdr,
4283                     int elements_needed, struct qeth_eddp_context *ctx)
4284 {
4285         struct qeth_qdio_out_buffer *buffer;
4286         int start_index;
4287         int flush_count = 0;
4288         int do_pack = 0;
4289         int tmp;
4290         int rc = 0;
4291
4292         QETH_DBF_TEXT(trace, 6, "dosndpkt");
4293
4294         /* spin until we get the queue ... */
4295         while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
4296                                        QETH_OUT_Q_LOCKED,
4297                                        &queue->state));
4298         start_index = queue->next_buf_to_fill;
4299         buffer = &queue->bufs[queue->next_buf_to_fill];
4300         /*
4301          * check if buffer is empty to make sure that we do not 'overtake'
4302          * ourselves and try to fill a buffer that is already primed
4303          */
4304         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
4305                 card->stats.tx_dropped++;
4306                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4307                 return -EBUSY;
4308         }
4309         /* check if we need to switch packing state of this queue */
4310         qeth_switch_to_packing_if_needed(queue);
4311         if (queue->do_pack){
4312                 do_pack = 1;
4313                 if (ctx == NULL) {
4314                         /* does packet fit in current buffer? */
4315                         if((QETH_MAX_BUFFER_ELEMENTS(card) -
4316                             buffer->next_element_to_fill) < elements_needed){
4317                                 /* ... no -> set state PRIMED */
4318                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4319                                 flush_count++;
4320                                 queue->next_buf_to_fill =
4321                                         (queue->next_buf_to_fill + 1) %
4322                                         QDIO_MAX_BUFFERS_PER_Q;
4323                                 buffer = &queue->bufs[queue->next_buf_to_fill];
4324                                 /* we did a step forward, so check buffer state
4325                                  * again */
4326                                 if (atomic_read(&buffer->state) !=
4327                                                 QETH_QDIO_BUF_EMPTY){
4328                                         card->stats.tx_dropped++;
4329                                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4330                                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4331                                         return -EBUSY;
4332                                 }
4333                         }
4334                 } else {
4335                         /* check if we have enough elements (including following
4336                          * free buffers) to handle eddp context */
4337                         if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4338                                 printk("eddp tx_dropped 1\n");
4339                                 card->stats.tx_dropped++;
4340                                 rc = -EBUSY;
4341                                 goto out;
4342                         }
4343                 }
4344         }
4345         if (ctx == NULL)
4346                 tmp = qeth_fill_buffer(queue, buffer, skb);
4347         else {
4348                 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4349                 if (tmp < 0) {
4350                         printk("eddp tx_dropped 2\n");
4351                         card->stats.tx_dropped++;
4352                         rc = - EBUSY;
4353                         goto out;
4354                 }
4355         }
4356         queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4357                                   QDIO_MAX_BUFFERS_PER_Q;
4358         flush_count += tmp;
4359 out:
4360         if (flush_count)
4361                 qeth_flush_buffers(queue, 0, start_index, flush_count);
4362         else if (!atomic_read(&queue->set_pci_flags_count))
4363                 atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4364         /*
4365          * queue->state will go from LOCKED -> UNLOCKED or from
4366          * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4367          * (switch packing state or flush buffer to get another pci flag out).
4368          * In that case we will enter this loop
4369          */
4370         while (atomic_dec_return(&queue->state)){
4371                 flush_count = 0;
4372                 start_index = queue->next_buf_to_fill;
4373                 /* check if we can go back to non-packing state */
4374                 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4375                 /*
4376                  * check if we need to flush a packing buffer to get a pci
4377                  * flag out on the queue
4378                  */
4379                 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4380                         flush_count += qeth_flush_buffers_on_no_pci(queue);
4381                 if (flush_count)
4382                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4383         }
4384         /* at this point the queue is UNLOCKED again */
4385 #ifdef CONFIG_QETH_PERF_STATS
4386         if (do_pack)
4387                 queue->card->perf_stats.bufs_sent_pack += flush_count;
4388 #endif /* CONFIG_QETH_PERF_STATS */
4389
4390         return rc;
4391 }
4392
4393 static inline int
4394 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4395                      struct sk_buff *skb, int elems)
4396 {
4397         int elements_needed = 0;
4398
4399         if (skb_shinfo(skb)->nr_frags > 0) {
4400                 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4401         }
4402         if (elements_needed == 0 )
4403                 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4404                                         + skb->len) >> PAGE_SHIFT);
4405         if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4406                 PRINT_ERR("qeth_do_send_packet: invalid size of "
4407                           "IP packet (Number=%d / Length=%d). Discarded.\n",
4408                           (elements_needed+elems), skb->len);
4409                 return 0;
4410         }
4411         return elements_needed;
4412 }
4413
4414 static inline int
4415 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4416 {
4417         int ipv = 0;
4418         int cast_type;
4419         struct qeth_qdio_out_q *queue;
4420         struct qeth_hdr *hdr = NULL;
4421         int elements_needed = 0;
4422         enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4423         struct qeth_eddp_context *ctx = NULL;
4424         int rc;
4425
4426         QETH_DBF_TEXT(trace, 6, "sendpkt");
4427
4428         if (!card->options.layer2) {
4429                 ipv = qeth_get_ip_version(skb);
4430                 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4431                         if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4432                                 card->stats.tx_dropped++;
4433                                 dev_kfree_skb_irq(skb);
4434                                 return 0;
4435                         }
4436                         if(card->dev->type == ARPHRD_IEEE802_TR){
4437                                 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4438                         } else {
4439                                 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4440                         }
4441                 }
4442         }
4443         if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4444                 (skb->protocol == htons(ETH_P_IPV6))) {
4445                 dev_kfree_skb_any(skb);
4446                 return 0;
4447         }
4448         cast_type = qeth_get_cast_type(card, skb);
4449         if ((cast_type == RTN_BROADCAST) &&
4450             (card->info.broadcast_capable == 0)){
4451                 card->stats.tx_dropped++;
4452                 card->stats.tx_errors++;
4453                 dev_kfree_skb_any(skb);
4454                 return NETDEV_TX_OK;
4455         }
4456         queue = card->qdio.out_qs
4457                 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4458
4459         if (skb_shinfo(skb)->tso_size)
4460                 large_send = card->options.large_send;
4461
4462         /*are we able to do TSO ? If so ,prepare and send it from here */
4463         if ((large_send == QETH_LARGE_SEND_TSO) &&
4464             (cast_type == RTN_UNSPEC)) {
4465                 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4466                 if (rc) {
4467                         card->stats.tx_dropped++;
4468                         card->stats.tx_errors++;
4469                         dev_kfree_skb_any(skb);
4470                         return NETDEV_TX_OK;
4471                 }
4472                 elements_needed++;
4473         } else {
4474                 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4475                         QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4476                         return rc;
4477                 }
4478                 if (card->info.type != QETH_CARD_TYPE_OSN)
4479                         qeth_fill_header(card, hdr, skb, ipv, cast_type);
4480         }
4481
4482         if (large_send == QETH_LARGE_SEND_EDDP) {
4483                 ctx = qeth_eddp_create_context(card, skb, hdr);
4484                 if (ctx == NULL) {
4485                         PRINT_WARN("could not create eddp context\n");
4486                         return -EINVAL;
4487                 }
4488         } else {
4489                 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4490                                                  elements_needed);
4491                 if (!elems)
4492                         return -EINVAL;
4493                 elements_needed += elems;
4494         }
4495
4496         if (card->info.type != QETH_CARD_TYPE_IQD)
4497                 rc = qeth_do_send_packet(card, queue, skb, hdr,
4498                                          elements_needed, ctx);
4499         else
4500                 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4501                                               elements_needed, ctx);
4502         if (!rc){
4503                 card->stats.tx_packets++;
4504                 card->stats.tx_bytes += skb->len;
4505 #ifdef CONFIG_QETH_PERF_STATS
4506                 if (skb_shinfo(skb)->tso_size &&
4507                    !(large_send == QETH_LARGE_SEND_NO)) {
4508                         card->perf_stats.large_send_bytes += skb->len;
4509                         card->perf_stats.large_send_cnt++;
4510                 }
4511                 if (skb_shinfo(skb)->nr_frags > 0){
4512                         card->perf_stats.sg_skbs_sent++;
4513                         /* nr_frags + skb->data */
4514                         card->perf_stats.sg_frags_sent +=
4515                                 skb_shinfo(skb)->nr_frags + 1;
4516                 }
4517 #endif /* CONFIG_QETH_PERF_STATS */
4518         }
4519         if (ctx != NULL) {
4520                 /* drop creator's reference */
4521                 qeth_eddp_put_context(ctx);
4522                 /* free skb; it's not referenced by a buffer */
4523                 if (rc == 0)
4524                         dev_kfree_skb_any(skb);
4525
4526         }
4527         return rc;
4528 }
4529
4530 static int
4531 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4532 {
4533         struct qeth_card *card = (struct qeth_card *) dev->priv;
4534         int rc = 0;
4535
4536         switch(regnum){
4537         case MII_BMCR: /* Basic mode control register */
4538                 rc = BMCR_FULLDPLX;
4539                 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4540                     (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4541                     (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4542                         rc |= BMCR_SPEED100;
4543                 break;
4544         case MII_BMSR: /* Basic mode status register */
4545                 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4546                      BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4547                      BMSR_100BASE4;
4548                 break;
4549         case MII_PHYSID1: /* PHYS ID 1 */
4550                 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4551                      dev->dev_addr[2];
4552                 rc = (rc >> 5) & 0xFFFF;
4553                 break;
4554         case MII_PHYSID2: /* PHYS ID 2 */
4555                 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4556                 break;
4557         case MII_ADVERTISE: /* Advertisement control reg */
4558                 rc = ADVERTISE_ALL;
4559                 break;
4560         case MII_LPA: /* Link partner ability reg */
4561                 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4562                      LPA_100BASE4 | LPA_LPACK;
4563                 break;
4564         case MII_EXPANSION: /* Expansion register */
4565                 break;
4566         case MII_DCOUNTER: /* disconnect counter */
4567                 break;
4568         case MII_FCSCOUNTER: /* false carrier counter */
4569                 break;
4570         case MII_NWAYTEST: /* N-way auto-neg test register */
4571                 break;
4572         case MII_RERRCOUNTER: /* rx error counter */
4573                 rc = card->stats.rx_errors;
4574                 break;
4575         case MII_SREVISION: /* silicon revision */
4576                 break;
4577         case MII_RESV1: /* reserved 1 */
4578                 break;
4579         case MII_LBRERROR: /* loopback, rx, bypass error */
4580                 break;
4581         case MII_PHYADDR: /* physical address */
4582                 break;
4583         case MII_RESV2: /* reserved 2 */
4584                 break;
4585         case MII_TPISTATUS: /* TPI status for 10mbps */
4586                 break;
4587         case MII_NCONFIG: /* network interface config */
4588                 break;
4589         default:
4590                 rc = 0;
4591                 break;
4592         }
4593         return rc;
4594 }
4595
4596 static void
4597 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
4598 {
4599         switch(regnum){
4600         case MII_BMCR: /* Basic mode control register */
4601         case MII_BMSR: /* Basic mode status register */
4602         case MII_PHYSID1: /* PHYS ID 1 */
4603         case MII_PHYSID2: /* PHYS ID 2 */
4604         case MII_ADVERTISE: /* Advertisement control reg */
4605         case MII_LPA: /* Link partner ability reg */
4606         case MII_EXPANSION: /* Expansion register */
4607         case MII_DCOUNTER: /* disconnect counter */
4608         case MII_FCSCOUNTER: /* false carrier counter */
4609         case MII_NWAYTEST: /* N-way auto-neg test register */
4610         case MII_RERRCOUNTER: /* rx error counter */
4611         case MII_SREVISION: /* silicon revision */
4612         case MII_RESV1: /* reserved 1 */
4613         case MII_LBRERROR: /* loopback, rx, bypass error */
4614         case MII_PHYADDR: /* physical address */
4615         case MII_RESV2: /* reserved 2 */
4616         case MII_TPISTATUS: /* TPI status for 10mbps */
4617         case MII_NCONFIG: /* network interface config */
4618         default:
4619                 break;
4620         }
4621 }
4622
4623 static inline const char *
4624 qeth_arp_get_error_cause(int *rc)
4625 {
4626         switch (*rc) {
4627         case QETH_IPA_ARP_RC_FAILED:
4628                 *rc = -EIO;
4629                 return "operation failed";
4630         case QETH_IPA_ARP_RC_NOTSUPP:
4631                 *rc = -EOPNOTSUPP;
4632                 return "operation not supported";
4633         case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4634                 *rc = -EINVAL;
4635                 return "argument out of range";
4636         case QETH_IPA_ARP_RC_Q_NOTSUPP:
4637                 *rc = -EOPNOTSUPP;
4638                 return "query operation not supported";
4639         case QETH_IPA_ARP_RC_Q_NO_DATA:
4640                 *rc = -ENOENT;
4641                 return "no query data available";
4642         default:
4643                 return "unknown error";
4644         }
4645 }
4646
4647 static int
4648 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4649                              __u16, long);
4650
4651 static int
4652 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4653 {
4654         int tmp;
4655         int rc;
4656
4657         QETH_DBF_TEXT(trace,3,"arpstnoe");
4658
4659         /*
4660          * currently GuestLAN only supports the ARP assist function
4661          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4662          * thus we say EOPNOTSUPP for this ARP function
4663          */
4664         if (card->info.guestlan)
4665                 return -EOPNOTSUPP;
4666         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4667                 PRINT_WARN("ARP processing not supported "
4668                            "on %s!\n", QETH_CARD_IFNAME(card));
4669                 return -EOPNOTSUPP;
4670         }
4671         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4672                                           IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4673                                           no_entries);
4674         if (rc) {
4675                 tmp = rc;
4676                 PRINT_WARN("Could not set number of ARP entries on %s: "
4677                            "%s (0x%x/%d)\n",
4678                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4679                            tmp, tmp);
4680         }
4681         return rc;
4682 }
4683
4684 static inline void
4685 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4686                                struct qeth_arp_query_data *qdata,
4687                                int entry_size, int uentry_size)
4688 {
4689         char *entry_ptr;
4690         char *uentry_ptr;
4691         int i;
4692
4693         entry_ptr = (char *)&qdata->data;
4694         uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4695         for (i = 0; i < qdata->no_entries; ++i){
4696                 /* strip off 32 bytes "media specific information" */
4697                 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4698                 entry_ptr += entry_size;
4699                 uentry_ptr += uentry_size;
4700         }
4701 }
4702
4703 static int
4704 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4705                   unsigned long data)
4706 {
4707         struct qeth_ipa_cmd *cmd;
4708         struct qeth_arp_query_data *qdata;
4709         struct qeth_arp_query_info *qinfo;
4710         int entry_size;
4711         int uentry_size;
4712         int i;
4713
4714         QETH_DBF_TEXT(trace,4,"arpquecb");
4715
4716         qinfo = (struct qeth_arp_query_info *) reply->param;
4717         cmd = (struct qeth_ipa_cmd *) data;
4718         if (cmd->hdr.return_code) {
4719                 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4720                 return 0;
4721         }
4722         if (cmd->data.setassparms.hdr.return_code) {
4723                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4724                 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4725                 return 0;
4726         }
4727         qdata = &cmd->data.setassparms.data.query_arp;
4728         switch(qdata->reply_bits){
4729         case 5:
4730                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4731                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4732                         uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4733                 break;
4734         case 7:
4735                 /* fall through to default */
4736         default:
4737                 /* tr is the same as eth -> entry7 */
4738                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4739                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4740                         uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4741                 break;
4742         }
4743         /* check if there is enough room in userspace */
4744         if ((qinfo->udata_len - qinfo->udata_offset) <
4745                         qdata->no_entries * uentry_size){
4746                 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4747                 cmd->hdr.return_code = -ENOMEM;
4748                 PRINT_WARN("query ARP user space buffer is too small for "
4749                            "the returned number of ARP entries. "
4750                            "Aborting query!\n");
4751                 goto out_error;
4752         }
4753         QETH_DBF_TEXT_(trace, 4, "anore%i",
4754                        cmd->data.setassparms.hdr.number_of_replies);
4755         QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4756         QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4757
4758         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4759                 /* strip off "media specific information" */
4760                 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4761                                                uentry_size);
4762         } else
4763                 /*copy entries to user buffer*/
4764                 memcpy(qinfo->udata + qinfo->udata_offset,
4765                        (char *)&qdata->data, qdata->no_entries*uentry_size);
4766
4767         qinfo->no_entries += qdata->no_entries;
4768         qinfo->udata_offset += (qdata->no_entries*uentry_size);
4769         /* check if all replies received ... */
4770         if (cmd->data.setassparms.hdr.seq_no <
4771             cmd->data.setassparms.hdr.number_of_replies)
4772                 return 1;
4773         memcpy(qinfo->udata, &qinfo->no_entries, 4);
4774         /* keep STRIP_ENTRIES flag so the user program can distinguish
4775          * stripped entries from normal ones */
4776         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4777                 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4778         memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4779         return 0;
4780 out_error:
4781         i = 0;
4782         memcpy(qinfo->udata, &i, 4);
4783         return 0;
4784 }
4785
4786 static int
4787 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4788                       int len, int (*reply_cb)(struct qeth_card *,
4789                                                struct qeth_reply *,
4790                                                unsigned long),
4791                       void *reply_param)
4792 {
4793         QETH_DBF_TEXT(trace,4,"sendarp");
4794
4795         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4796         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4797                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4798         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4799                                       reply_cb, reply_param);
4800 }
4801
4802 static int
4803 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4804                       int len, int (*reply_cb)(struct qeth_card *,
4805                                                struct qeth_reply *,
4806                                                unsigned long),
4807                       void *reply_param)
4808 {
4809         u16 s1, s2;
4810
4811         QETH_DBF_TEXT(trace,4,"sendsnmp");
4812
4813         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4814         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4815                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4816         /* adjust PDU length fields in IPA_PDU_HEADER */
4817         s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4818         s2 = (u32) len;
4819         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4820         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4821         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4822         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4823         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4824                                       reply_cb, reply_param);
4825 }
4826
4827 static struct qeth_cmd_buffer *
4828 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4829                          __u16, __u16, enum qeth_prot_versions);
4830 static int
4831 qeth_arp_query(struct qeth_card *card, char *udata)
4832 {
4833         struct qeth_cmd_buffer *iob;
4834         struct qeth_arp_query_info qinfo = {0, };
4835         int tmp;
4836         int rc;
4837
4838         QETH_DBF_TEXT(trace,3,"arpquery");
4839
4840         if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4841                                IPA_ARP_PROCESSING)) {
4842                 PRINT_WARN("ARP processing not supported "
4843                            "on %s!\n", QETH_CARD_IFNAME(card));
4844                 return -EOPNOTSUPP;
4845         }
4846         /* get size of userspace buffer and mask_bits -> 6 bytes */
4847         if (copy_from_user(&qinfo, udata, 6))
4848                 return -EFAULT;
4849         if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4850                 return -ENOMEM;
4851         memset(qinfo.udata, 0, qinfo.udata_len);
4852         qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4853         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4854                                        IPA_CMD_ASS_ARP_QUERY_INFO,
4855                                        sizeof(int),QETH_PROT_IPV4);
4856
4857         rc = qeth_send_ipa_arp_cmd(card, iob,
4858                                    QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4859                                    qeth_arp_query_cb, (void *)&qinfo);
4860         if (rc) {
4861                 tmp = rc;
4862                 PRINT_WARN("Error while querying ARP cache on %s: %s "
4863                            "(0x%x/%d)\n",
4864                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4865                            tmp, tmp);
4866                 copy_to_user(udata, qinfo.udata, 4);
4867         } else {
4868                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4869         }
4870         kfree(qinfo.udata);
4871         return rc;
4872 }
4873
4874 /**
4875  * SNMP command callback
4876  */
4877 static int
4878 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4879                      unsigned long sdata)
4880 {
4881         struct qeth_ipa_cmd *cmd;
4882         struct qeth_arp_query_info *qinfo;
4883         struct qeth_snmp_cmd *snmp;
4884         unsigned char *data;
4885         __u16 data_len;
4886
4887         QETH_DBF_TEXT(trace,3,"snpcmdcb");
4888
4889         cmd = (struct qeth_ipa_cmd *) sdata;
4890         data = (unsigned char *)((char *)cmd - reply->offset);
4891         qinfo = (struct qeth_arp_query_info *) reply->param;
4892         snmp = &cmd->data.setadapterparms.data.snmp;
4893
4894         if (cmd->hdr.return_code) {
4895                 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4896                 return 0;
4897         }
4898         if (cmd->data.setadapterparms.hdr.return_code) {
4899                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4900                 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4901                 return 0;
4902         }
4903         data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4904         if (cmd->data.setadapterparms.hdr.seq_no == 1)
4905                 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4906         else
4907                 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4908
4909         /* check if there is enough room in userspace */
4910         if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4911                 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4912                 cmd->hdr.return_code = -ENOMEM;
4913                 return 0;
4914         }
4915         QETH_DBF_TEXT_(trace, 4, "snore%i",
4916                        cmd->data.setadapterparms.hdr.used_total);
4917         QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4918         /*copy entries to user buffer*/
4919         if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4920                 memcpy(qinfo->udata + qinfo->udata_offset,
4921                        (char *)snmp,
4922                        data_len + offsetof(struct qeth_snmp_cmd,data));
4923                 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4924         } else {
4925                 memcpy(qinfo->udata + qinfo->udata_offset,
4926                        (char *)&snmp->request, data_len);
4927         }
4928         qinfo->udata_offset += data_len;
4929         /* check if all replies received ... */
4930                 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4931                                cmd->data.setadapterparms.hdr.used_total);
4932                 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4933                                cmd->data.setadapterparms.hdr.seq_no);
4934         if (cmd->data.setadapterparms.hdr.seq_no <
4935             cmd->data.setadapterparms.hdr.used_total)
4936                 return 1;
4937         return 0;
4938 }
4939
4940 static struct qeth_cmd_buffer *
4941 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4942                        enum qeth_prot_versions );
4943
4944 static struct qeth_cmd_buffer *
4945 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4946 {
4947         struct qeth_cmd_buffer *iob;
4948         struct qeth_ipa_cmd *cmd;
4949
4950         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4951                                      QETH_PROT_IPV4);
4952         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4953         cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4954         cmd->data.setadapterparms.hdr.command_code = command;
4955         cmd->data.setadapterparms.hdr.used_total = 1;
4956         cmd->data.setadapterparms.hdr.seq_no = 1;
4957
4958         return iob;
4959 }
4960
4961 /**
4962  * function to send SNMP commands to OSA-E card
4963  */
4964 static int
4965 qeth_snmp_command(struct qeth_card *card, char *udata)
4966 {
4967         struct qeth_cmd_buffer *iob;
4968         struct qeth_ipa_cmd *cmd;
4969         struct qeth_snmp_ureq *ureq;
4970         int req_len;
4971         struct qeth_arp_query_info qinfo = {0, };
4972         int rc = 0;
4973
4974         QETH_DBF_TEXT(trace,3,"snmpcmd");
4975
4976         if (card->info.guestlan)
4977                 return -EOPNOTSUPP;
4978
4979         if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4980             (!card->options.layer2) ) {
4981                 PRINT_WARN("SNMP Query MIBS not supported "
4982                            "on %s!\n", QETH_CARD_IFNAME(card));
4983                 return -EOPNOTSUPP;
4984         }
4985         /* skip 4 bytes (data_len struct member) to get req_len */
4986         if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4987                 return -EFAULT;
4988         ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4989         if (!ureq) {
4990                 QETH_DBF_TEXT(trace, 2, "snmpnome");
4991                 return -ENOMEM;
4992         }
4993         if (copy_from_user(ureq, udata,
4994                         req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4995                 kfree(ureq);
4996                 return -EFAULT;
4997         }
4998         qinfo.udata_len = ureq->hdr.data_len;
4999         if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
5000                 kfree(ureq);
5001                 return -ENOMEM;
5002         }
5003         memset(qinfo.udata, 0, qinfo.udata_len);
5004         qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
5005
5006         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
5007                                    QETH_SNMP_SETADP_CMDLENGTH + req_len);
5008         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5009         memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
5010         rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
5011                                     qeth_snmp_command_cb, (void *)&qinfo);
5012         if (rc)
5013                 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
5014                            QETH_CARD_IFNAME(card), rc);
5015          else
5016                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
5017
5018         kfree(ureq);
5019         kfree(qinfo.udata);
5020         return rc;
5021 }
5022
5023 static int
5024 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5025                             unsigned long);
5026
5027 static int
5028 qeth_default_setadapterparms_cb(struct qeth_card *card,
5029                                 struct qeth_reply *reply,
5030                                 unsigned long data);
5031 static int
5032 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5033                       __u16, long,
5034                       int (*reply_cb)
5035                       (struct qeth_card *, struct qeth_reply *, unsigned long),
5036                       void *reply_param);
5037
5038 static int
5039 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5040 {
5041         struct qeth_cmd_buffer *iob;
5042         char buf[16];
5043         int tmp;
5044         int rc;
5045
5046         QETH_DBF_TEXT(trace,3,"arpadent");
5047
5048         /*
5049          * currently GuestLAN only supports the ARP assist function
5050          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5051          * thus we say EOPNOTSUPP for this ARP function
5052          */
5053         if (card->info.guestlan)
5054                 return -EOPNOTSUPP;
5055         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5056                 PRINT_WARN("ARP processing not supported "
5057                            "on %s!\n", QETH_CARD_IFNAME(card));
5058                 return -EOPNOTSUPP;
5059         }
5060
5061         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5062                                        IPA_CMD_ASS_ARP_ADD_ENTRY,
5063                                        sizeof(struct qeth_arp_cache_entry),
5064                                        QETH_PROT_IPV4);
5065         rc = qeth_send_setassparms(card, iob,
5066                                    sizeof(struct qeth_arp_cache_entry),
5067                                    (unsigned long) entry,
5068                                    qeth_default_setassparms_cb, NULL);
5069         if (rc) {
5070                 tmp = rc;
5071                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5072                 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5073                            "%s (0x%x/%d)\n",
5074                            buf, QETH_CARD_IFNAME(card),
5075                            qeth_arp_get_error_cause(&rc), tmp, tmp);
5076         }
5077         return rc;
5078 }
5079
5080 static int
5081 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5082 {
5083         struct qeth_cmd_buffer *iob;
5084         char buf[16] = {0, };
5085         int tmp;
5086         int rc;
5087
5088         QETH_DBF_TEXT(trace,3,"arprment");
5089
5090         /*
5091          * currently GuestLAN only supports the ARP assist function
5092          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5093          * thus we say EOPNOTSUPP for this ARP function
5094          */
5095         if (card->info.guestlan)
5096                 return -EOPNOTSUPP;
5097         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5098                 PRINT_WARN("ARP processing not supported "
5099                            "on %s!\n", QETH_CARD_IFNAME(card));
5100                 return -EOPNOTSUPP;
5101         }
5102         memcpy(buf, entry, 12);
5103         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5104                                        IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5105                                        12,
5106                                        QETH_PROT_IPV4);
5107         rc = qeth_send_setassparms(card, iob,
5108                                    12, (unsigned long)buf,
5109                                    qeth_default_setassparms_cb, NULL);
5110         if (rc) {
5111                 tmp = rc;
5112                 memset(buf, 0, 16);
5113                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5114                 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5115                            "%s (0x%x/%d)\n",
5116                            buf, QETH_CARD_IFNAME(card),
5117                            qeth_arp_get_error_cause(&rc), tmp, tmp);
5118         }
5119         return rc;
5120 }
5121
5122 static int
5123 qeth_arp_flush_cache(struct qeth_card *card)
5124 {
5125         int rc;
5126         int tmp;
5127
5128         QETH_DBF_TEXT(trace,3,"arpflush");
5129
5130         /*
5131          * currently GuestLAN only supports the ARP assist function
5132          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5133          * thus we say EOPNOTSUPP for this ARP function
5134         */
5135         if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5136                 return -EOPNOTSUPP;
5137         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5138                 PRINT_WARN("ARP processing not supported "
5139                            "on %s!\n", QETH_CARD_IFNAME(card));
5140                 return -EOPNOTSUPP;
5141         }
5142         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5143                                           IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5144         if (rc){
5145                 tmp = rc;
5146                 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5147                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5148                            tmp, tmp);
5149         }
5150         return rc;
5151 }
5152
5153 static int
5154 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5155 {
5156         struct qeth_card *card = (struct qeth_card *)dev->priv;
5157         struct qeth_arp_cache_entry arp_entry;
5158         struct mii_ioctl_data *mii_data;
5159         int rc = 0;
5160
5161         if (!card)
5162                 return -ENODEV;
5163
5164         if ((card->state != CARD_STATE_UP) &&
5165             (card->state != CARD_STATE_SOFTSETUP))
5166                 return -ENODEV;
5167
5168         if (card->info.type == QETH_CARD_TYPE_OSN)
5169                 return -EPERM;
5170
5171         switch (cmd){
5172         case SIOC_QETH_ARP_SET_NO_ENTRIES:
5173                 if ( !capable(CAP_NET_ADMIN) ||
5174                      (card->options.layer2) ) {
5175                         rc = -EPERM;
5176                         break;
5177                 }
5178                 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5179                 break;
5180         case SIOC_QETH_ARP_QUERY_INFO:
5181                 if ( !capable(CAP_NET_ADMIN) ||
5182                      (card->options.layer2) ) {
5183                         rc = -EPERM;
5184                         break;
5185                 }
5186                 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5187                 break;
5188         case SIOC_QETH_ARP_ADD_ENTRY:
5189                 if ( !capable(CAP_NET_ADMIN) ||
5190                      (card->options.layer2) ) {
5191                         rc = -EPERM;
5192                         break;
5193                 }
5194                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5195                                    sizeof(struct qeth_arp_cache_entry)))
5196                         rc = -EFAULT;
5197                 else
5198                         rc = qeth_arp_add_entry(card, &arp_entry);
5199                 break;
5200         case SIOC_QETH_ARP_REMOVE_ENTRY:
5201                 if ( !capable(CAP_NET_ADMIN) ||
5202                      (card->options.layer2) ) {
5203                         rc = -EPERM;
5204                         break;
5205                 }
5206                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5207                                    sizeof(struct qeth_arp_cache_entry)))
5208                         rc = -EFAULT;
5209                 else
5210                         rc = qeth_arp_remove_entry(card, &arp_entry);
5211                 break;
5212         case SIOC_QETH_ARP_FLUSH_CACHE:
5213                 if ( !capable(CAP_NET_ADMIN) ||
5214                      (card->options.layer2) ) {
5215                         rc = -EPERM;
5216                         break;
5217                 }
5218                 rc = qeth_arp_flush_cache(card);
5219                 break;
5220         case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5221                 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5222                 break;
5223         case SIOC_QETH_GET_CARD_TYPE:
5224                 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5225                     !card->info.guestlan)
5226                         return 1;
5227                 return 0;
5228                 break;
5229         case SIOCGMIIPHY:
5230                 mii_data = if_mii(rq);
5231                 mii_data->phy_id = 0;
5232                 break;
5233         case SIOCGMIIREG:
5234                 mii_data = if_mii(rq);
5235                 if (mii_data->phy_id != 0)
5236                         rc = -EINVAL;
5237                 else
5238                         mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5239                                                            mii_data->reg_num);
5240                 break;
5241         case SIOCSMIIREG:
5242                 rc = -EOPNOTSUPP;
5243                 break;
5244                 /* TODO: remove return if qeth_mdio_write does something */
5245                 if (!capable(CAP_NET_ADMIN)){
5246                         rc = -EPERM;
5247                         break;
5248                 }
5249                 mii_data = if_mii(rq);
5250                 if (mii_data->phy_id != 0)
5251                         rc = -EINVAL;
5252                 else
5253                         qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
5254                                         mii_data->val_in);
5255                 break;
5256         default:
5257                 rc = -EOPNOTSUPP;
5258         }
5259         if (rc)
5260                 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5261         return rc;
5262 }
5263
5264 static struct net_device_stats *
5265 qeth_get_stats(struct net_device *dev)
5266 {
5267         struct qeth_card *card;
5268
5269         card = (struct qeth_card *) (dev->priv);
5270
5271         QETH_DBF_TEXT(trace,5,"getstat");
5272
5273         return &card->stats;
5274 }
5275
5276 static int
5277 qeth_change_mtu(struct net_device *dev, int new_mtu)
5278 {
5279         struct qeth_card *card;
5280         char dbf_text[15];
5281
5282         card = (struct qeth_card *) (dev->priv);
5283
5284         QETH_DBF_TEXT(trace,4,"chgmtu");
5285         sprintf(dbf_text, "%8x", new_mtu);
5286         QETH_DBF_TEXT(trace,4,dbf_text);
5287
5288         if (new_mtu < 64)
5289                 return -EINVAL;
5290         if (new_mtu > 65535)
5291                 return -EINVAL;
5292         if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5293             (!qeth_mtu_is_valid(card, new_mtu)))
5294                 return -EINVAL;
5295         dev->mtu = new_mtu;
5296         return 0;
5297 }
5298
5299 #ifdef CONFIG_QETH_VLAN
5300 static void
5301 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5302 {
5303         struct qeth_card *card;
5304         unsigned long flags;
5305
5306         QETH_DBF_TEXT(trace,4,"vlanreg");
5307
5308         card = (struct qeth_card *) dev->priv;
5309         spin_lock_irqsave(&card->vlanlock, flags);
5310         card->vlangrp = grp;
5311         spin_unlock_irqrestore(&card->vlanlock, flags);
5312 }
5313
5314 static inline void
5315 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5316                       unsigned short vid)
5317 {
5318         int i;
5319         struct sk_buff *skb;
5320         struct sk_buff_head tmp_list;
5321
5322         skb_queue_head_init(&tmp_list);
5323         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5324                 while ((skb = skb_dequeue(&buf->skb_list))){
5325                         if (vlan_tx_tag_present(skb) &&
5326                             (vlan_tx_tag_get(skb) == vid)) {
5327                                 atomic_dec(&skb->users);
5328                                 dev_kfree_skb(skb);
5329                         } else
5330                                 skb_queue_tail(&tmp_list, skb);
5331                 }
5332         }
5333         while ((skb = skb_dequeue(&tmp_list)))
5334                 skb_queue_tail(&buf->skb_list, skb);
5335 }
5336
5337 static void
5338 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5339 {
5340         int i, j;
5341
5342         QETH_DBF_TEXT(trace, 4, "frvlskbs");
5343         for (i = 0; i < card->qdio.no_out_queues; ++i){
5344                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5345                         qeth_free_vlan_buffer(card, &card->qdio.
5346                                               out_qs[i]->bufs[j], vid);
5347         }
5348 }
5349
5350 static void
5351 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5352 {
5353         struct in_device *in_dev;
5354         struct in_ifaddr *ifa;
5355         struct qeth_ipaddr *addr;
5356
5357         QETH_DBF_TEXT(trace, 4, "frvaddr4");
5358
5359         rcu_read_lock();
5360         in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5361         if (!in_dev)
5362                 goto out;
5363         for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5364                 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5365                 if (addr){
5366                         addr->u.a4.addr = ifa->ifa_address;
5367                         addr->u.a4.mask = ifa->ifa_mask;
5368                         addr->type = QETH_IP_TYPE_NORMAL;
5369                         if (!qeth_delete_ip(card, addr))
5370                                 kfree(addr);
5371                 }
5372         }
5373 out:
5374         rcu_read_unlock();
5375 }
5376
5377 static void
5378 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5379 {
5380 #ifdef CONFIG_QETH_IPV6
5381         struct inet6_dev *in6_dev;
5382         struct inet6_ifaddr *ifa;
5383         struct qeth_ipaddr *addr;
5384
5385         QETH_DBF_TEXT(trace, 4, "frvaddr6");
5386
5387         in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5388         if (!in6_dev)
5389                 return;
5390         for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5391                 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5392                 if (addr){
5393                         memcpy(&addr->u.a6.addr, &ifa->addr,
5394                                sizeof(struct in6_addr));
5395                         addr->u.a6.pfxlen = ifa->prefix_len;
5396                         addr->type = QETH_IP_TYPE_NORMAL;
5397                         if (!qeth_delete_ip(card, addr))
5398                                 kfree(addr);
5399                 }
5400         }
5401         in6_dev_put(in6_dev);
5402 #endif /* CONFIG_QETH_IPV6 */
5403 }
5404
5405 static void
5406 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5407 {
5408         if (card->options.layer2 || !card->vlangrp)
5409                 return;
5410         qeth_free_vlan_addresses4(card, vid);
5411         qeth_free_vlan_addresses6(card, vid);
5412 }
5413
5414 static int
5415 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5416                                struct qeth_reply *reply,
5417                                unsigned long data)
5418 {
5419         struct qeth_ipa_cmd *cmd;
5420
5421         QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5422         cmd = (struct qeth_ipa_cmd *) data;
5423         if (cmd->hdr.return_code) {
5424                 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5425                           "Continuing\n",cmd->data.setdelvlan.vlan_id,
5426                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5427                 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5428                 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5429                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5430         }
5431         return 0;
5432 }
5433
5434 static int
5435 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5436                             enum qeth_ipa_cmds ipacmd)
5437 {
5438         struct qeth_ipa_cmd *cmd;
5439         struct qeth_cmd_buffer *iob;
5440
5441         QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5442         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5443         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5444         cmd->data.setdelvlan.vlan_id = i;
5445         return qeth_send_ipa_cmd(card, iob,
5446                                  qeth_layer2_send_setdelvlan_cb, NULL);
5447 }
5448
5449 static void
5450 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5451 {
5452         unsigned short  i;
5453
5454         QETH_DBF_TEXT(trace, 3, "L2prcvln");
5455
5456         if (!card->vlangrp)
5457                 return;
5458         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5459                 if (card->vlangrp->vlan_devices[i] == NULL)
5460                         continue;
5461                 if (clear)
5462                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5463                 else
5464                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5465         }
5466 }
5467
5468 /*add_vid is layer 2 used only ....*/
5469 static void
5470 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5471 {
5472         struct qeth_card *card;
5473
5474         QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5475
5476         card = (struct qeth_card *) dev->priv;
5477         if (!card->options.layer2)
5478                 return;
5479         qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5480 }
5481
5482 /*... kill_vid used for both modes*/
5483 static void
5484 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5485 {
5486         struct qeth_card *card;
5487         unsigned long flags;
5488
5489         QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5490
5491         card = (struct qeth_card *) dev->priv;
5492         /* free all skbs for the vlan device */
5493         qeth_free_vlan_skbs(card, vid);
5494         spin_lock_irqsave(&card->vlanlock, flags);
5495         /* unregister IP addresses of vlan device */
5496         qeth_free_vlan_addresses(card, vid);
5497         if (card->vlangrp)
5498                 card->vlangrp->vlan_devices[vid] = NULL;
5499         spin_unlock_irqrestore(&card->vlanlock, flags);
5500         if (card->options.layer2)
5501                 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5502         qeth_set_multicast_list(card->dev);
5503 }
5504 #endif
5505 /**
5506  * Examine hardware response to SET_PROMISC_MODE
5507  */
5508 static int
5509 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5510                             struct qeth_reply *reply,
5511                             unsigned long data)
5512 {
5513         struct qeth_ipa_cmd *cmd;
5514         struct qeth_ipacmd_setadpparms *setparms;
5515
5516         QETH_DBF_TEXT(trace,4,"prmadpcb");
5517
5518         cmd = (struct qeth_ipa_cmd *) data;
5519         setparms = &(cmd->data.setadapterparms);
5520
5521         qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5522         if (cmd->hdr.return_code) {
5523                 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5524                 setparms->data.mode = SET_PROMISC_MODE_OFF;
5525         }
5526         card->info.promisc_mode = setparms->data.mode;
5527         return 0;
5528 }
5529 /*
5530  * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5531  */
5532 static void
5533 qeth_setadp_promisc_mode(struct qeth_card *card)
5534 {
5535         enum qeth_ipa_promisc_modes mode;
5536         struct net_device *dev = card->dev;
5537         struct qeth_cmd_buffer *iob;
5538         struct qeth_ipa_cmd *cmd;
5539
5540         QETH_DBF_TEXT(trace, 4, "setprom");
5541
5542         if (((dev->flags & IFF_PROMISC) &&
5543              (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5544             (!(dev->flags & IFF_PROMISC) &&
5545              (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5546                 return;
5547         mode = SET_PROMISC_MODE_OFF;
5548         if (dev->flags & IFF_PROMISC)
5549                 mode = SET_PROMISC_MODE_ON;
5550         QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5551
5552         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5553                         sizeof(struct qeth_ipacmd_setadpparms));
5554         cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5555         cmd->data.setadapterparms.data.mode = mode;
5556         qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5557 }
5558
5559 /**
5560  * set multicast address on card
5561  */
5562 static void
5563 qeth_set_multicast_list(struct net_device *dev)
5564 {
5565         struct qeth_card *card = (struct qeth_card *) dev->priv;
5566
5567         if (card->info.type == QETH_CARD_TYPE_OSN)
5568                 return ;
5569
5570         QETH_DBF_TEXT(trace,3,"setmulti");
5571         qeth_delete_mc_addresses(card);
5572         if (card->options.layer2) {
5573                 qeth_layer2_add_multicast(card);
5574                 goto out;
5575         }
5576         qeth_add_multicast_ipv4(card);
5577 #ifdef CONFIG_QETH_IPV6
5578         qeth_add_multicast_ipv6(card);
5579 #endif
5580 out:
5581         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5582                 schedule_work(&card->kernel_thread_starter);
5583         if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5584                 return;
5585         if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5586                 schedule_work(&card->kernel_thread_starter);
5587
5588 }
5589
5590 static int
5591 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5592 {
5593         return 0;
5594 }
5595
5596 static void
5597 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5598 {
5599         if (dev->type == ARPHRD_IEEE802_TR)
5600                 ip_tr_mc_map(ipm, mac);
5601         else
5602                 ip_eth_mc_map(ipm, mac);
5603 }
5604
5605 static struct qeth_ipaddr *
5606 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5607 {
5608         struct qeth_ipaddr *addr;
5609
5610         addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5611         if (addr == NULL) {
5612                 PRINT_WARN("Not enough memory to add address\n");
5613                 return NULL;
5614         }
5615         memset(addr,0,sizeof(struct qeth_ipaddr));
5616         addr->type = QETH_IP_TYPE_NORMAL;
5617         addr->proto = prot;
5618         return addr;
5619 }
5620
5621 int
5622 qeth_osn_assist(struct net_device *dev,
5623                 void *data,
5624                 int data_len)
5625 {
5626         struct qeth_cmd_buffer *iob;
5627         struct qeth_card *card;
5628         int rc;
5629
5630         QETH_DBF_TEXT(trace, 2, "osnsdmc");
5631         if (!dev)
5632                 return -ENODEV;
5633         card = (struct qeth_card *)dev->priv;
5634         if (!card)
5635                 return -ENODEV;
5636         if ((card->state != CARD_STATE_UP) &&
5637             (card->state != CARD_STATE_SOFTSETUP))
5638                 return -ENODEV;
5639         iob = qeth_wait_for_buffer(&card->write);
5640         memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5641         rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5642         return rc;
5643 }
5644
5645 static struct net_device *
5646 qeth_netdev_by_devno(unsigned char *read_dev_no)
5647 {
5648         struct qeth_card *card;
5649         struct net_device *ndev;
5650         unsigned char *readno;
5651         __u16 temp_dev_no, card_dev_no;
5652         char *endp;
5653         unsigned long flags;
5654
5655         ndev = NULL;
5656         memcpy(&temp_dev_no, read_dev_no, 2);
5657         read_lock_irqsave(&qeth_card_list.rwlock, flags);
5658         list_for_each_entry(card, &qeth_card_list.list, list) {
5659                 readno = CARD_RDEV_ID(card);
5660                 readno += (strlen(readno) - 4);
5661                 card_dev_no = simple_strtoul(readno, &endp, 16);
5662                 if (card_dev_no == temp_dev_no) {
5663                         ndev = card->dev;
5664                         break;
5665                 }
5666         }
5667         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5668         return ndev;
5669 }
5670
5671 int
5672 qeth_osn_register(unsigned char *read_dev_no,
5673                   struct net_device **dev,
5674                   int (*assist_cb)(struct net_device *, void *),
5675                   int (*data_cb)(struct sk_buff *))
5676 {
5677         struct qeth_card * card;
5678
5679         QETH_DBF_TEXT(trace, 2, "osnreg");
5680         *dev = qeth_netdev_by_devno(read_dev_no);
5681         if (*dev == NULL)
5682                 return -ENODEV;
5683         card = (struct qeth_card *)(*dev)->priv;
5684         if (!card)
5685                 return -ENODEV;
5686         if ((assist_cb == NULL) || (data_cb == NULL))
5687                 return -EINVAL;
5688         card->osn_info.assist_cb = assist_cb;
5689         card->osn_info.data_cb = data_cb;
5690         return 0;
5691 }
5692
5693 void
5694 qeth_osn_deregister(struct net_device * dev)
5695 {
5696         struct qeth_card *card;
5697
5698         QETH_DBF_TEXT(trace, 2, "osndereg");
5699         if (!dev)
5700                 return;
5701         card = (struct qeth_card *)dev->priv;
5702         if (!card)
5703                 return;
5704         card->osn_info.assist_cb = NULL;
5705         card->osn_info.data_cb = NULL;
5706         return;
5707 }
5708
5709 static void
5710 qeth_delete_mc_addresses(struct qeth_card *card)
5711 {
5712         struct qeth_ipaddr *iptodo;
5713         unsigned long flags;
5714
5715         QETH_DBF_TEXT(trace,4,"delmc");
5716         iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5717         if (!iptodo) {
5718                 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5719                 return;
5720         }
5721         iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5722         spin_lock_irqsave(&card->ip_lock, flags);
5723         if (!__qeth_insert_ip_todo(card, iptodo, 0))
5724                 kfree(iptodo);
5725         spin_unlock_irqrestore(&card->ip_lock, flags);
5726 }
5727
5728 static inline void
5729 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5730 {
5731         struct qeth_ipaddr *ipm;
5732         struct ip_mc_list *im4;
5733         char buf[MAX_ADDR_LEN];
5734
5735         QETH_DBF_TEXT(trace,4,"addmc");
5736         for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5737                 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5738                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5739                 if (!ipm)
5740                         continue;
5741                 ipm->u.a4.addr = im4->multiaddr;
5742                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5743                 ipm->is_multicast = 1;
5744                 if (!qeth_add_ip(card,ipm))
5745                         kfree(ipm);
5746         }
5747 }
5748
5749 static inline void
5750 qeth_add_vlan_mc(struct qeth_card *card)
5751 {
5752 #ifdef CONFIG_QETH_VLAN
5753         struct in_device *in_dev;
5754         struct vlan_group *vg;
5755         int i;
5756
5757         QETH_DBF_TEXT(trace,4,"addmcvl");
5758         if ( ((card->options.layer2 == 0) &&
5759               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5760              (card->vlangrp == NULL) )
5761                 return ;
5762
5763         vg = card->vlangrp;
5764         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5765                 if (vg->vlan_devices[i] == NULL ||
5766                     !(vg->vlan_devices[i]->flags & IFF_UP))
5767                         continue;
5768                 in_dev = in_dev_get(vg->vlan_devices[i]);
5769                 if (!in_dev)
5770                         continue;
5771                 read_lock(&in_dev->mc_list_lock);
5772                 qeth_add_mc(card,in_dev);
5773                 read_unlock(&in_dev->mc_list_lock);
5774                 in_dev_put(in_dev);
5775         }
5776 #endif
5777 }
5778
5779 static void
5780 qeth_add_multicast_ipv4(struct qeth_card *card)
5781 {
5782         struct in_device *in4_dev;
5783
5784         QETH_DBF_TEXT(trace,4,"chkmcv4");
5785         in4_dev = in_dev_get(card->dev);
5786         if (in4_dev == NULL)
5787                 return;
5788         read_lock(&in4_dev->mc_list_lock);
5789         qeth_add_mc(card, in4_dev);
5790         qeth_add_vlan_mc(card);
5791         read_unlock(&in4_dev->mc_list_lock);
5792         in_dev_put(in4_dev);
5793 }
5794
5795 static void
5796 qeth_layer2_add_multicast(struct qeth_card *card)
5797 {
5798         struct qeth_ipaddr *ipm;
5799         struct dev_mc_list *dm;
5800
5801         QETH_DBF_TEXT(trace,4,"L2addmc");
5802         for (dm = card->dev->mc_list; dm; dm = dm->next) {
5803                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5804                 if (!ipm)
5805                         continue;
5806                 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5807                 ipm->is_multicast = 1;
5808                 if (!qeth_add_ip(card, ipm))
5809                         kfree(ipm);
5810         }
5811 }
5812
5813 #ifdef CONFIG_QETH_IPV6
5814 static inline void
5815 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5816 {
5817         struct qeth_ipaddr *ipm;
5818         struct ifmcaddr6 *im6;
5819         char buf[MAX_ADDR_LEN];
5820
5821         QETH_DBF_TEXT(trace,4,"addmc6");
5822         for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5823                 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5824                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5825                 if (!ipm)
5826                         continue;
5827                 ipm->is_multicast = 1;
5828                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5829                 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5830                        sizeof(struct in6_addr));
5831                 if (!qeth_add_ip(card,ipm))
5832                         kfree(ipm);
5833         }
5834 }
5835
5836 static inline void
5837 qeth_add_vlan_mc6(struct qeth_card *card)
5838 {
5839 #ifdef CONFIG_QETH_VLAN
5840         struct inet6_dev *in_dev;
5841         struct vlan_group *vg;
5842         int i;
5843
5844         QETH_DBF_TEXT(trace,4,"admc6vl");
5845         if ( ((card->options.layer2 == 0) &&
5846               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5847              (card->vlangrp == NULL))
5848                 return ;
5849
5850         vg = card->vlangrp;
5851         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5852                 if (vg->vlan_devices[i] == NULL ||
5853                     !(vg->vlan_devices[i]->flags & IFF_UP))
5854                         continue;
5855                 in_dev = in6_dev_get(vg->vlan_devices[i]);
5856                 if (!in_dev)
5857                         continue;
5858                 read_lock(&in_dev->lock);
5859                 qeth_add_mc6(card,in_dev);
5860                 read_unlock(&in_dev->lock);
5861                 in6_dev_put(in_dev);
5862         }
5863 #endif /* CONFIG_QETH_VLAN */
5864 }
5865
5866 static void
5867 qeth_add_multicast_ipv6(struct qeth_card *card)
5868 {
5869         struct inet6_dev *in6_dev;
5870
5871         QETH_DBF_TEXT(trace,4,"chkmcv6");
5872         if (!qeth_is_supported(card, IPA_IPV6))
5873                 return ;
5874         in6_dev = in6_dev_get(card->dev);
5875         if (in6_dev == NULL)
5876                 return;
5877         read_lock(&in6_dev->lock);
5878         qeth_add_mc6(card, in6_dev);
5879         qeth_add_vlan_mc6(card);
5880         read_unlock(&in6_dev->lock);
5881         in6_dev_put(in6_dev);
5882 }
5883 #endif /* CONFIG_QETH_IPV6 */
5884
5885 static int
5886 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5887                            enum qeth_ipa_cmds ipacmd,
5888                            int (*reply_cb) (struct qeth_card *,
5889                                             struct qeth_reply*,
5890                                             unsigned long))
5891 {
5892         struct qeth_ipa_cmd *cmd;
5893         struct qeth_cmd_buffer *iob;
5894
5895         QETH_DBF_TEXT(trace, 2, "L2sdmac");
5896         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5897         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5898         cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5899         memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5900         return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5901 }
5902
5903 static int
5904 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5905                                 struct qeth_reply *reply,
5906                                 unsigned long data)
5907 {
5908         struct qeth_ipa_cmd *cmd;
5909         __u8 *mac;
5910
5911         QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5912         cmd = (struct qeth_ipa_cmd *) data;
5913         mac = &cmd->data.setdelmac.mac[0];
5914         /* MAC already registered, needed in couple/uncouple case */
5915         if (cmd->hdr.return_code == 0x2005) {
5916                 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5917                           "already existing on %s \n",
5918                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5919                           QETH_CARD_IFNAME(card));
5920                 cmd->hdr.return_code = 0;
5921         }
5922         if (cmd->hdr.return_code)
5923                 PRINT_ERR("Could not set group MAC " \
5924                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5925                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5926                           QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5927         return 0;
5928 }
5929
5930 static int
5931 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5932 {
5933         QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5934         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5935                                           qeth_layer2_send_setgroupmac_cb);
5936 }
5937
5938 static int
5939 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5940                                 struct qeth_reply *reply,
5941                                 unsigned long data)
5942 {
5943         struct qeth_ipa_cmd *cmd;
5944         __u8 *mac;
5945
5946         QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5947         cmd = (struct qeth_ipa_cmd *) data;
5948         mac = &cmd->data.setdelmac.mac[0];
5949         if (cmd->hdr.return_code)
5950                 PRINT_ERR("Could not delete group MAC " \
5951                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5952                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5953                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5954         return 0;
5955 }
5956
5957 static int
5958 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5959 {
5960         QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5961         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5962                                           qeth_layer2_send_delgroupmac_cb);
5963 }
5964
5965 static int
5966 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5967                            struct qeth_reply *reply,
5968                            unsigned long data)
5969 {
5970         struct qeth_ipa_cmd *cmd;
5971
5972         QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5973         cmd = (struct qeth_ipa_cmd *) data;
5974         if (cmd->hdr.return_code) {
5975                 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5976                 PRINT_WARN("Error in registering MAC address on " \
5977                            "device %s: x%x\n", CARD_BUS_ID(card),
5978                            cmd->hdr.return_code);
5979                 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5980                 cmd->hdr.return_code = -EIO;
5981         } else {
5982                 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5983                 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5984                        OSA_ADDR_LEN);
5985                 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5986                            "successfully registered on device %s\n",
5987                            card->dev->dev_addr[0], card->dev->dev_addr[1],
5988                            card->dev->dev_addr[2], card->dev->dev_addr[3],
5989                            card->dev->dev_addr[4], card->dev->dev_addr[5],
5990                            card->dev->name);
5991         }
5992         return 0;
5993 }
5994
5995 static int
5996 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5997 {
5998         QETH_DBF_TEXT(trace, 2, "L2Setmac");
5999         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
6000                                           qeth_layer2_send_setmac_cb);
6001 }
6002
6003 static int
6004 qeth_layer2_send_delmac_cb(struct qeth_card *card,
6005                            struct qeth_reply *reply,
6006                            unsigned long data)
6007 {
6008         struct qeth_ipa_cmd *cmd;
6009
6010         QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
6011         cmd = (struct qeth_ipa_cmd *) data;
6012         if (cmd->hdr.return_code) {
6013                 PRINT_WARN("Error in deregistering MAC address on " \
6014                            "device %s: x%x\n", CARD_BUS_ID(card),
6015                            cmd->hdr.return_code);
6016                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
6017                 cmd->hdr.return_code = -EIO;
6018                 return 0;
6019         }
6020         card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6021
6022         return 0;
6023 }
6024 static int
6025 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
6026 {
6027         QETH_DBF_TEXT(trace, 2, "L2Delmac");
6028         if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
6029                 return 0;
6030         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
6031                                           qeth_layer2_send_delmac_cb);
6032 }
6033
6034 static int
6035 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
6036 {
6037         struct sockaddr *addr = p;
6038         struct qeth_card *card;
6039         int rc = 0;
6040
6041         QETH_DBF_TEXT(trace, 3, "setmac");
6042
6043         if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6044                 QETH_DBF_TEXT(trace, 3, "setmcINV");
6045                 return -EOPNOTSUPP;
6046         }
6047         card = (struct qeth_card *) dev->priv;
6048
6049         if (!card->options.layer2) {
6050                 PRINT_WARN("Setting MAC address on %s is not supported "
6051                            "in Layer 3 mode.\n", dev->name);
6052                 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6053                 return -EOPNOTSUPP;
6054         }
6055         if (card->info.type == QETH_CARD_TYPE_OSN) {
6056                 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6057                            dev->name);
6058                 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6059                 return -EOPNOTSUPP;
6060         }
6061         QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6062         QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6063         rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6064         if (!rc)
6065                 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6066         return rc;
6067 }
6068
6069 static void
6070 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6071                         __u8 command, enum qeth_prot_versions prot)
6072 {
6073         memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6074         cmd->hdr.command = command;
6075         cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6076         cmd->hdr.seqno = card->seqno.ipa;
6077         cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6078         cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6079         if (card->options.layer2)
6080                 cmd->hdr.prim_version_no = 2;
6081         else
6082                 cmd->hdr.prim_version_no = 1;
6083         cmd->hdr.param_count = 1;
6084         cmd->hdr.prot_version = prot;
6085         cmd->hdr.ipa_supported = 0;
6086         cmd->hdr.ipa_enabled = 0;
6087 }
6088
6089 static struct qeth_cmd_buffer *
6090 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6091                        enum qeth_prot_versions prot)
6092 {
6093         struct qeth_cmd_buffer *iob;
6094         struct qeth_ipa_cmd *cmd;
6095
6096         iob = qeth_wait_for_buffer(&card->write);
6097         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6098         qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6099
6100         return iob;
6101 }
6102
6103 static int
6104 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6105 {
6106         int rc;
6107         struct qeth_cmd_buffer *iob;
6108         struct qeth_ipa_cmd *cmd;
6109
6110         QETH_DBF_TEXT(trace,4,"setdelmc");
6111
6112         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6113         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6114         memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6115         if (addr->proto == QETH_PROT_IPV6)
6116                 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6117                        sizeof(struct in6_addr));
6118         else
6119                 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6120
6121         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6122
6123         return rc;
6124 }
6125 static inline void
6126 qeth_fill_netmask(u8 *netmask, unsigned int len)
6127 {
6128         int i,j;
6129         for (i=0;i<16;i++) {
6130                 j=(len)-(i*8);
6131                 if (j >= 8)
6132                         netmask[i] = 0xff;
6133                 else if (j > 0)
6134                         netmask[i] = (u8)(0xFF00>>j);
6135                 else
6136                         netmask[i] = 0;
6137         }
6138 }
6139
6140 static int
6141 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6142                    int ipacmd, unsigned int flags)
6143 {
6144         int rc;
6145         struct qeth_cmd_buffer *iob;
6146         struct qeth_ipa_cmd *cmd;
6147         __u8 netmask[16];
6148
6149         QETH_DBF_TEXT(trace,4,"setdelip");
6150         QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6151
6152         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6153         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6154         if (addr->proto == QETH_PROT_IPV6) {
6155                 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6156                        sizeof(struct in6_addr));
6157                 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6158                 memcpy(cmd->data.setdelip6.mask, netmask,
6159                        sizeof(struct in6_addr));
6160                 cmd->data.setdelip6.flags = flags;
6161         } else {
6162                 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6163                 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6164                 cmd->data.setdelip4.flags = flags;
6165         }
6166
6167         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6168
6169         return rc;
6170 }
6171
6172 static int
6173 qeth_layer2_register_addr_entry(struct qeth_card *card,
6174                                 struct qeth_ipaddr *addr)
6175 {
6176         if (!addr->is_multicast)
6177                 return 0;
6178         QETH_DBF_TEXT(trace, 2, "setgmac");
6179         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6180         return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6181 }
6182
6183 static int
6184 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6185                                   struct qeth_ipaddr *addr)
6186 {
6187         if (!addr->is_multicast)
6188                 return 0;
6189         QETH_DBF_TEXT(trace, 2, "delgmac");
6190         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6191         return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6192 }
6193
6194 static int
6195 qeth_layer3_register_addr_entry(struct qeth_card *card,
6196                                 struct qeth_ipaddr *addr)
6197 {
6198         char buf[50];
6199         int rc;
6200         int cnt = 3;
6201
6202         if (addr->proto == QETH_PROT_IPV4) {
6203                 QETH_DBF_TEXT(trace, 2,"setaddr4");
6204                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6205         } else if (addr->proto == QETH_PROT_IPV6) {
6206                 QETH_DBF_TEXT(trace, 2, "setaddr6");
6207                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6208                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6209         } else {
6210                 QETH_DBF_TEXT(trace, 2, "setaddr?");
6211                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6212         }
6213         do {
6214                 if (addr->is_multicast)
6215                         rc =  qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6216                 else
6217                         rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6218                                         addr->set_flags);
6219                 if (rc)
6220                         QETH_DBF_TEXT(trace, 2, "failed");
6221         } while ((--cnt > 0) && rc);
6222         if (rc){
6223                 QETH_DBF_TEXT(trace, 2, "FAILED");
6224                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6225                 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6226                            buf, rc, rc);
6227         }
6228         return rc;
6229 }
6230
6231 static int
6232 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6233                                   struct qeth_ipaddr *addr)
6234 {
6235         //char buf[50];
6236         int rc;
6237
6238         if (addr->proto == QETH_PROT_IPV4) {
6239                 QETH_DBF_TEXT(trace, 2,"deladdr4");
6240                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6241         } else if (addr->proto == QETH_PROT_IPV6) {
6242                 QETH_DBF_TEXT(trace, 2, "deladdr6");
6243                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6244                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6245         } else {
6246                 QETH_DBF_TEXT(trace, 2, "deladdr?");
6247                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6248         }
6249         if (addr->is_multicast)
6250                 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6251         else
6252                 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6253                                         addr->del_flags);
6254         if (rc) {
6255                 QETH_DBF_TEXT(trace, 2, "failed");
6256                 /* TODO: re-activate this warning as soon as we have a
6257                  * clean mirco code
6258                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6259                 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6260                            buf, rc);
6261                 */
6262         }
6263         return rc;
6264 }
6265
6266 static int
6267 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6268 {
6269         if (card->options.layer2)
6270                 return qeth_layer2_register_addr_entry(card, addr);
6271
6272         return qeth_layer3_register_addr_entry(card, addr);
6273 }
6274
6275 static int
6276 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6277 {
6278         if (card->options.layer2)
6279                 return qeth_layer2_deregister_addr_entry(card, addr);
6280
6281         return qeth_layer3_deregister_addr_entry(card, addr);
6282 }
6283
6284 static u32
6285 qeth_ethtool_get_tx_csum(struct net_device *dev)
6286 {
6287         /* We may need to say that we support tx csum offload if
6288          * we do EDDP or TSO. There are discussions going on to
6289          * enforce rules in the stack and in ethtool that make
6290          * SG and TSO depend on HW_CSUM. At the moment there are
6291          * no such rules....
6292          * If we say yes here, we have to checksum outbound packets
6293          * any time. */
6294         return 0;
6295 }
6296
6297 static int
6298 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6299 {
6300         return -EINVAL;
6301 }
6302
6303 static u32
6304 qeth_ethtool_get_rx_csum(struct net_device *dev)
6305 {
6306         struct qeth_card *card = (struct qeth_card *)dev->priv;
6307
6308         return (card->options.checksum_type == HW_CHECKSUMMING);
6309 }
6310
6311 static int
6312 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6313 {
6314         struct qeth_card *card = (struct qeth_card *)dev->priv;
6315
6316         if ((card->state != CARD_STATE_DOWN) &&
6317             (card->state != CARD_STATE_RECOVER))
6318                 return -EPERM;
6319         if (data)
6320                 card->options.checksum_type = HW_CHECKSUMMING;
6321         else
6322                 card->options.checksum_type = SW_CHECKSUMMING;
6323         return 0;
6324 }
6325
6326 static u32
6327 qeth_ethtool_get_sg(struct net_device *dev)
6328 {
6329         struct qeth_card *card = (struct qeth_card *)dev->priv;
6330
6331         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6332                 (dev->features & NETIF_F_SG));
6333 }
6334
6335 static int
6336 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6337 {
6338         struct qeth_card *card = (struct qeth_card *)dev->priv;
6339
6340         if (data) {
6341                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6342                         dev->features |= NETIF_F_SG;
6343                 else {
6344                         dev->features &= ~NETIF_F_SG;
6345                         return -EINVAL;
6346                 }
6347         } else
6348                 dev->features &= ~NETIF_F_SG;
6349         return 0;
6350 }
6351
6352 static u32
6353 qeth_ethtool_get_tso(struct net_device *dev)
6354 {
6355         struct qeth_card *card = (struct qeth_card *)dev->priv;
6356
6357         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6358                 (dev->features & NETIF_F_TSO));
6359 }
6360
6361 static int
6362 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6363 {
6364         struct qeth_card *card = (struct qeth_card *)dev->priv;
6365
6366         if (data) {
6367                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6368                         dev->features |= NETIF_F_TSO;
6369                 else {
6370                         dev->features &= ~NETIF_F_TSO;
6371                         return -EINVAL;
6372                 }
6373         } else
6374                 dev->features &= ~NETIF_F_TSO;
6375         return 0;
6376 }
6377
6378 static struct ethtool_ops qeth_ethtool_ops = {
6379         .get_tx_csum = qeth_ethtool_get_tx_csum,
6380         .set_tx_csum = qeth_ethtool_set_tx_csum,
6381         .get_rx_csum = qeth_ethtool_get_rx_csum,
6382         .set_rx_csum = qeth_ethtool_set_rx_csum,
6383         .get_sg      = qeth_ethtool_get_sg,
6384         .set_sg      = qeth_ethtool_set_sg,
6385         .get_tso     = qeth_ethtool_get_tso,
6386         .set_tso     = qeth_ethtool_set_tso,
6387 };
6388
6389 static int
6390 qeth_netdev_init(struct net_device *dev)
6391 {
6392         struct qeth_card *card;
6393
6394         card = (struct qeth_card *) dev->priv;
6395
6396         QETH_DBF_TEXT(trace,3,"initdev");
6397
6398         dev->tx_timeout = &qeth_tx_timeout;
6399         dev->watchdog_timeo = QETH_TX_TIMEOUT;
6400         dev->open = qeth_open;
6401         dev->stop = qeth_stop;
6402         dev->hard_start_xmit = qeth_hard_start_xmit;
6403         dev->do_ioctl = qeth_do_ioctl;
6404         dev->get_stats = qeth_get_stats;
6405         dev->change_mtu = qeth_change_mtu;
6406         dev->neigh_setup = qeth_neigh_setup;
6407         dev->set_multicast_list = qeth_set_multicast_list;
6408 #ifdef CONFIG_QETH_VLAN
6409         dev->vlan_rx_register = qeth_vlan_rx_register;
6410         dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6411         dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6412 #endif
6413         dev->hard_header = card->orig_hard_header;
6414         if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6415                 dev->rebuild_header = NULL;
6416                 dev->hard_header = NULL;
6417                 if (card->options.fake_ll)
6418                         dev->hard_header = qeth_fake_header;
6419                 dev->header_cache_update = NULL;
6420                 dev->hard_header_cache = NULL;
6421         }
6422 #ifdef CONFIG_QETH_IPV6
6423         /*IPv6 address autoconfiguration stuff*/
6424         if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6425                 card->dev->dev_id = card->info.unique_id & 0xffff;
6426 #endif
6427         dev->hard_header_parse = NULL;
6428         dev->set_mac_address = qeth_layer2_set_mac_address;
6429         dev->flags |= qeth_get_netdev_flags(card);
6430         if ((card->options.fake_broadcast) ||
6431             (card->info.broadcast_capable))
6432                 dev->flags |= IFF_BROADCAST;
6433         dev->hard_header_len =
6434                         qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6435         dev->addr_len = OSA_ADDR_LEN;
6436         dev->mtu = card->info.initial_mtu;
6437         if (card->info.type != QETH_CARD_TYPE_OSN)
6438                 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6439         SET_MODULE_OWNER(dev);
6440         return 0;
6441 }
6442
6443 static void
6444 qeth_init_func_level(struct qeth_card *card)
6445 {
6446         if (card->ipato.enabled) {
6447                 if (card->info.type == QETH_CARD_TYPE_IQD)
6448                                 card->info.func_level =
6449                                         QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6450                 else
6451                                 card->info.func_level =
6452                                         QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6453         } else {
6454                 if (card->info.type == QETH_CARD_TYPE_IQD)
6455                 /*FIXME:why do we have same values for  dis and ena for osae??? */
6456                         card->info.func_level =
6457                                 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6458                 else
6459                         card->info.func_level =
6460                                 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6461         }
6462 }
6463
6464 /**
6465  * hardsetup card, initialize MPC and QDIO stuff
6466  */
6467 static int
6468 qeth_hardsetup_card(struct qeth_card *card)
6469 {
6470         int retries = 3;
6471         int rc;
6472
6473         QETH_DBF_TEXT(setup, 2, "hrdsetup");
6474
6475 retry:
6476         if (retries < 3){
6477                 PRINT_WARN("Retrying to do IDX activates.\n");
6478                 ccw_device_set_offline(CARD_DDEV(card));
6479                 ccw_device_set_offline(CARD_WDEV(card));
6480                 ccw_device_set_offline(CARD_RDEV(card));
6481                 ccw_device_set_online(CARD_RDEV(card));
6482                 ccw_device_set_online(CARD_WDEV(card));
6483                 ccw_device_set_online(CARD_DDEV(card));
6484         }
6485         rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6486         if (rc == -ERESTARTSYS) {
6487                 QETH_DBF_TEXT(setup, 2, "break1");
6488                 return rc;
6489         } else if (rc) {
6490                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6491                 if (--retries < 0)
6492                         goto out;
6493                 else
6494                         goto retry;
6495         }
6496         if ((rc = qeth_get_unitaddr(card))){
6497                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6498                 return rc;
6499         }
6500         qeth_init_tokens(card);
6501         qeth_init_func_level(card);
6502         rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6503         if (rc == -ERESTARTSYS) {
6504                 QETH_DBF_TEXT(setup, 2, "break2");
6505                 return rc;
6506         } else if (rc) {
6507                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6508                 if (--retries < 0)
6509                         goto out;
6510                 else
6511                         goto retry;
6512         }
6513         rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6514         if (rc == -ERESTARTSYS) {
6515                 QETH_DBF_TEXT(setup, 2, "break3");
6516                 return rc;
6517         } else if (rc) {
6518                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6519                 if (--retries < 0)
6520                         goto out;
6521                 else
6522                         goto retry;
6523         }
6524         if ((rc = qeth_mpc_initialize(card))){
6525                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6526                 goto out;
6527         }
6528         /*network device will be recovered*/
6529         if (card->dev) {
6530                 card->dev->hard_header = card->orig_hard_header;
6531                 return 0;
6532         }
6533         /* at first set_online allocate netdev */
6534         card->dev = qeth_get_netdevice(card->info.type,
6535                                        card->info.link_type);
6536         if (!card->dev){
6537                 qeth_qdio_clear_card(card, card->info.type !=
6538                                      QETH_CARD_TYPE_IQD);
6539                 rc = -ENODEV;
6540                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6541                 goto out;
6542         }
6543         card->dev->priv = card;
6544         card->orig_hard_header = card->dev->hard_header;
6545         card->dev->type = qeth_get_arphdr_type(card->info.type,
6546                                                card->info.link_type);
6547         card->dev->init = qeth_netdev_init;
6548         return 0;
6549 out:
6550         PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6551         return rc;
6552 }
6553
6554 static int
6555 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6556                             unsigned long data)
6557 {
6558         struct qeth_ipa_cmd *cmd;
6559
6560         QETH_DBF_TEXT(trace,4,"defadpcb");
6561
6562         cmd = (struct qeth_ipa_cmd *) data;
6563         if (cmd->hdr.return_code == 0){
6564                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6565                 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6566                         card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6567 #ifdef CONFIG_QETH_IPV6
6568                 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6569                         card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6570 #endif
6571         }
6572         if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6573             cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6574                 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6575                 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6576         }
6577         return 0;
6578 }
6579
6580 static int
6581 qeth_default_setadapterparms_cb(struct qeth_card *card,
6582                                 struct qeth_reply *reply,
6583                                 unsigned long data)
6584 {
6585         struct qeth_ipa_cmd *cmd;
6586
6587         QETH_DBF_TEXT(trace,4,"defadpcb");
6588
6589         cmd = (struct qeth_ipa_cmd *) data;
6590         if (cmd->hdr.return_code == 0)
6591                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6592         return 0;
6593 }
6594
6595
6596
6597 static int
6598 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6599                               unsigned long data)
6600 {
6601         struct qeth_ipa_cmd *cmd;
6602
6603         QETH_DBF_TEXT(trace,3,"quyadpcb");
6604
6605         cmd = (struct qeth_ipa_cmd *) data;
6606         if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6607                 card->info.link_type =
6608                       cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6609         card->options.adp.supported_funcs =
6610                 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6611         return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6612 }
6613
6614 static int
6615 qeth_query_setadapterparms(struct qeth_card *card)
6616 {
6617         int rc;
6618         struct qeth_cmd_buffer *iob;
6619
6620         QETH_DBF_TEXT(trace,3,"queryadp");
6621         iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6622                                    sizeof(struct qeth_ipacmd_setadpparms));
6623         rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6624         return rc;
6625 }
6626
6627 static int
6628 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6629                                    struct qeth_reply *reply,
6630                                    unsigned long data)
6631 {
6632         struct qeth_ipa_cmd *cmd;
6633
6634         QETH_DBF_TEXT(trace,4,"chgmaccb");
6635
6636         cmd = (struct qeth_ipa_cmd *) data;
6637         if (!card->options.layer2 || card->info.guestlan ||
6638             !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6639                 memcpy(card->dev->dev_addr,
6640                        &cmd->data.setadapterparms.data.change_addr.addr,
6641                        OSA_ADDR_LEN);
6642                 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6643         }
6644         qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6645         return 0;
6646 }
6647
6648 static int
6649 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6650 {
6651         int rc;
6652         struct qeth_cmd_buffer *iob;
6653         struct qeth_ipa_cmd *cmd;
6654
6655         QETH_DBF_TEXT(trace,4,"chgmac");
6656
6657         iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6658                                    sizeof(struct qeth_ipacmd_setadpparms));
6659         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6660         cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6661         cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6662         memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6663                card->dev->dev_addr, OSA_ADDR_LEN);
6664         rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6665                                NULL);
6666         return rc;
6667 }
6668
6669 static int
6670 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6671 {
6672         int rc;
6673         struct qeth_cmd_buffer *iob;
6674         struct qeth_ipa_cmd *cmd;
6675
6676         QETH_DBF_TEXT(trace,4,"adpmode");
6677
6678         iob = qeth_get_adapter_cmd(card, command,
6679                                    sizeof(struct qeth_ipacmd_setadpparms));
6680         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6681         cmd->data.setadapterparms.data.mode = mode;
6682         rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6683                                NULL);
6684         return rc;
6685 }
6686
6687 static inline int
6688 qeth_setadapter_hstr(struct qeth_card *card)
6689 {
6690         int rc;
6691
6692         QETH_DBF_TEXT(trace,4,"adphstr");
6693
6694         if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6695                 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6696                                            card->options.broadcast_mode);
6697                 if (rc)
6698                         PRINT_WARN("couldn't set broadcast mode on "
6699                                    "device %s: x%x\n",
6700                                    CARD_BUS_ID(card), rc);
6701                 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6702                                            card->options.macaddr_mode);
6703                 if (rc)
6704                         PRINT_WARN("couldn't set macaddr mode on "
6705                                    "device %s: x%x\n", CARD_BUS_ID(card), rc);
6706                 return rc;
6707         }
6708         if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6709                 PRINT_WARN("set adapter parameters not available "
6710                            "to set broadcast mode, using ALLRINGS "
6711                            "on device %s:\n", CARD_BUS_ID(card));
6712         if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6713                 PRINT_WARN("set adapter parameters not available "
6714                            "to set macaddr mode, using NONCANONICAL "
6715                            "on device %s:\n", CARD_BUS_ID(card));
6716         return 0;
6717 }
6718
6719 static int
6720 qeth_setadapter_parms(struct qeth_card *card)
6721 {
6722         int rc;
6723
6724         QETH_DBF_TEXT(setup, 2, "setadprm");
6725
6726         if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6727                 PRINT_WARN("set adapter parameters not supported "
6728                            "on device %s.\n",
6729                            CARD_BUS_ID(card));
6730                 QETH_DBF_TEXT(setup, 2, " notsupp");
6731                 return 0;
6732         }
6733         rc = qeth_query_setadapterparms(card);
6734         if (rc) {
6735                 PRINT_WARN("couldn't set adapter parameters on device %s: "
6736                            "x%x\n", CARD_BUS_ID(card), rc);
6737                 return rc;
6738         }
6739         if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6740                 rc = qeth_setadpparms_change_macaddr(card);
6741                 if (rc)
6742                         PRINT_WARN("couldn't get MAC address on "
6743                                    "device %s: x%x\n",
6744                                    CARD_BUS_ID(card), rc);
6745         }
6746
6747         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6748             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6749                 rc = qeth_setadapter_hstr(card);
6750
6751         return rc;
6752 }
6753
6754 static int
6755 qeth_layer2_initialize(struct qeth_card *card)
6756 {
6757         int rc = 0;
6758
6759
6760         QETH_DBF_TEXT(setup, 2, "doL2init");
6761         QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6762
6763         rc = qeth_query_setadapterparms(card);
6764         if (rc) {
6765                 PRINT_WARN("could not query adapter parameters on device %s: "
6766                            "x%x\n", CARD_BUS_ID(card), rc);
6767         }
6768
6769         rc = qeth_setadpparms_change_macaddr(card);
6770         if (rc) {
6771                 PRINT_WARN("couldn't get MAC address on "
6772                            "device %s: x%x\n",
6773                            CARD_BUS_ID(card), rc);
6774                 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6775                 return rc;
6776         }
6777         QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6778
6779         rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6780         if (rc)
6781                 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6782         return 0;
6783 }
6784
6785
6786 static int
6787 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6788                        enum qeth_prot_versions prot)
6789 {
6790         int rc;
6791         struct qeth_cmd_buffer *iob;
6792
6793         iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6794         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6795
6796         return rc;
6797 }
6798
6799 static int
6800 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6801 {
6802         int rc;
6803
6804         QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6805
6806         rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6807         return rc;
6808 }
6809
6810 static int
6811 qeth_send_stoplan(struct qeth_card *card)
6812 {
6813         int rc = 0;
6814
6815         /*
6816          * TODO: according to the IPA format document page 14,
6817          * TCP/IP (we!) never issue a STOPLAN
6818          * is this right ?!?
6819          */
6820         QETH_DBF_TEXT(trace, 2, "stoplan");
6821
6822         rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6823         return rc;
6824 }
6825
6826 static int
6827 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6828                         unsigned long data)
6829 {
6830         struct qeth_ipa_cmd *cmd;
6831
6832         QETH_DBF_TEXT(setup, 2, "qipasscb");
6833
6834         cmd = (struct qeth_ipa_cmd *) data;
6835         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6836                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6837                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6838                 /* Disable IPV6 support hard coded for Hipersockets */
6839                 if(card->info.type == QETH_CARD_TYPE_IQD)
6840                         card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6841         } else {
6842 #ifdef CONFIG_QETH_IPV6
6843                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6844                 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6845 #endif
6846         }
6847         QETH_DBF_TEXT(setup, 2, "suppenbl");
6848         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6849         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6850         return 0;
6851 }
6852
6853 static int
6854 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6855 {
6856         int rc;
6857         struct qeth_cmd_buffer *iob;
6858
6859         QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6860         if (card->options.layer2) {
6861                 QETH_DBF_TEXT(setup, 2, "noprmly2");
6862                 return -EPERM;
6863         }
6864
6865         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6866         rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6867         return rc;
6868 }
6869
6870 static struct qeth_cmd_buffer *
6871 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6872                          __u16 cmd_code, __u16 len,
6873                          enum qeth_prot_versions prot)
6874 {
6875         struct qeth_cmd_buffer *iob;
6876         struct qeth_ipa_cmd *cmd;
6877
6878         QETH_DBF_TEXT(trace,4,"getasscm");
6879         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6880
6881         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6882         cmd->data.setassparms.hdr.assist_no = ipa_func;
6883         cmd->data.setassparms.hdr.length = 8 + len;
6884         cmd->data.setassparms.hdr.command_code = cmd_code;
6885         cmd->data.setassparms.hdr.return_code = 0;
6886         cmd->data.setassparms.hdr.seq_no = 0;
6887
6888         return iob;
6889 }
6890
6891 static int
6892 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6893                       __u16 len, long data,
6894                       int (*reply_cb)
6895                       (struct qeth_card *,struct qeth_reply *,unsigned long),
6896                       void *reply_param)
6897 {
6898         int rc;
6899         struct qeth_ipa_cmd *cmd;
6900
6901         QETH_DBF_TEXT(trace,4,"sendassp");
6902
6903         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6904         if (len <= sizeof(__u32))
6905                 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6906         else if (len > sizeof(__u32))
6907                 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6908
6909         rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6910         return rc;
6911 }
6912
6913 #ifdef CONFIG_QETH_IPV6
6914 static int
6915 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6916                                   enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6917
6918 {
6919         int rc;
6920         struct qeth_cmd_buffer *iob;
6921
6922         QETH_DBF_TEXT(trace,4,"simassp6");
6923         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6924                                        0, QETH_PROT_IPV6);
6925         rc = qeth_send_setassparms(card, iob, 0, 0,
6926                                    qeth_default_setassparms_cb, NULL);
6927         return rc;
6928 }
6929 #endif
6930
6931 static int
6932 qeth_send_simple_setassparms(struct qeth_card *card,
6933                              enum qeth_ipa_funcs ipa_func,
6934                              __u16 cmd_code, long data)
6935 {
6936         int rc;
6937         int length = 0;
6938         struct qeth_cmd_buffer *iob;
6939
6940         QETH_DBF_TEXT(trace,4,"simassp4");
6941         if (data)
6942                 length = sizeof(__u32);
6943         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6944                                        length, QETH_PROT_IPV4);
6945         rc = qeth_send_setassparms(card, iob, length, data,
6946                                    qeth_default_setassparms_cb, NULL);
6947         return rc;
6948 }
6949
6950 static inline int
6951 qeth_start_ipa_arp_processing(struct qeth_card *card)
6952 {
6953         int rc;
6954
6955         QETH_DBF_TEXT(trace,3,"ipaarp");
6956
6957         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6958                 PRINT_WARN("ARP processing not supported "
6959                            "on %s!\n", QETH_CARD_IFNAME(card));
6960                 return 0;
6961         }
6962         rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6963                                           IPA_CMD_ASS_START, 0);
6964         if (rc) {
6965                 PRINT_WARN("Could not start ARP processing "
6966                            "assist on %s: 0x%x\n",
6967                            QETH_CARD_IFNAME(card), rc);
6968         }
6969         return rc;
6970 }
6971
6972 static int
6973 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6974 {
6975         int rc;
6976
6977         QETH_DBF_TEXT(trace,3,"ipaipfrg");
6978
6979         if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6980                 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6981                            QETH_CARD_IFNAME(card));
6982                 return  -EOPNOTSUPP;
6983         }
6984
6985         rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6986                                           IPA_CMD_ASS_START, 0);
6987         if (rc) {
6988                 PRINT_WARN("Could not start Hardware IP fragmentation "
6989                            "assist on %s: 0x%x\n",
6990                            QETH_CARD_IFNAME(card), rc);
6991         } else
6992                 PRINT_INFO("Hardware IP fragmentation enabled \n");
6993         return rc;
6994 }
6995
6996 static int
6997 qeth_start_ipa_source_mac(struct qeth_card *card)
6998 {
6999         int rc;
7000
7001         QETH_DBF_TEXT(trace,3,"stsrcmac");
7002
7003         if (!card->options.fake_ll)
7004                 return -EOPNOTSUPP;
7005
7006         if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
7007                 PRINT_INFO("Inbound source address not "
7008                            "supported on %s\n", QETH_CARD_IFNAME(card));
7009                 return -EOPNOTSUPP;
7010         }
7011
7012         rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
7013                                           IPA_CMD_ASS_START, 0);
7014         if (rc)
7015                 PRINT_WARN("Could not start inbound source "
7016                            "assist on %s: 0x%x\n",
7017                            QETH_CARD_IFNAME(card), rc);
7018         return rc;
7019 }
7020
7021 static int
7022 qeth_start_ipa_vlan(struct qeth_card *card)
7023 {
7024         int rc = 0;
7025
7026         QETH_DBF_TEXT(trace,3,"strtvlan");
7027
7028 #ifdef CONFIG_QETH_VLAN
7029         if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
7030                 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
7031                 return -EOPNOTSUPP;
7032         }
7033
7034         rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
7035                                           IPA_CMD_ASS_START,0);
7036         if (rc) {
7037                 PRINT_WARN("Could not start vlan "
7038                            "assist on %s: 0x%x\n",
7039                            QETH_CARD_IFNAME(card), rc);
7040         } else {
7041                 PRINT_INFO("VLAN enabled \n");
7042                 card->dev->features |=
7043                         NETIF_F_HW_VLAN_FILTER |
7044                         NETIF_F_HW_VLAN_TX |
7045                         NETIF_F_HW_VLAN_RX;
7046         }
7047 #endif /* QETH_VLAN */
7048         return rc;
7049 }
7050
7051 static int
7052 qeth_start_ipa_multicast(struct qeth_card *card)
7053 {
7054         int rc;
7055
7056         QETH_DBF_TEXT(trace,3,"stmcast");
7057
7058         if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7059                 PRINT_WARN("Multicast not supported on %s\n",
7060                            QETH_CARD_IFNAME(card));
7061                 return -EOPNOTSUPP;
7062         }
7063
7064         rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7065                                           IPA_CMD_ASS_START,0);
7066         if (rc) {
7067                 PRINT_WARN("Could not start multicast "
7068                            "assist on %s: rc=%i\n",
7069                            QETH_CARD_IFNAME(card), rc);
7070         } else {
7071                 PRINT_INFO("Multicast enabled\n");
7072                 card->dev->flags |= IFF_MULTICAST;
7073         }
7074         return rc;
7075 }
7076
7077 #ifdef CONFIG_QETH_IPV6
7078 static int
7079 qeth_softsetup_ipv6(struct qeth_card *card)
7080 {
7081         int rc;
7082
7083         QETH_DBF_TEXT(trace,3,"softipv6");
7084
7085         netif_stop_queue(card->dev);
7086         rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7087         if (rc) {
7088                 PRINT_ERR("IPv6 startlan failed on %s\n",
7089                           QETH_CARD_IFNAME(card));
7090                 return rc;
7091         }
7092         netif_wake_queue(card->dev);
7093         rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7094         if (rc) {
7095                 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7096                           QETH_CARD_IFNAME(card));
7097                 return rc;
7098         }
7099         rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7100                                           IPA_CMD_ASS_START, 3);
7101         if (rc) {
7102                 PRINT_WARN("IPv6 start assist (version 4) failed "
7103                            "on %s: 0x%x\n",
7104                            QETH_CARD_IFNAME(card), rc);
7105                 return rc;
7106         }
7107         rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7108                                                IPA_CMD_ASS_START);
7109         if (rc) {
7110                 PRINT_WARN("IPV6 start assist (version 6) failed  "
7111                            "on %s: 0x%x\n",
7112                            QETH_CARD_IFNAME(card), rc);
7113                 return rc;
7114         }
7115         rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7116                                                IPA_CMD_ASS_START);
7117         if (rc) {
7118                 PRINT_WARN("Could not enable passthrough "
7119                            "on %s: 0x%x\n",
7120                            QETH_CARD_IFNAME(card), rc);
7121                 return rc;
7122         }
7123         PRINT_INFO("IPV6 enabled \n");
7124         return 0;
7125 }
7126
7127 #endif
7128
7129 static int
7130 qeth_start_ipa_ipv6(struct qeth_card *card)
7131 {
7132         int rc = 0;
7133 #ifdef CONFIG_QETH_IPV6
7134         QETH_DBF_TEXT(trace,3,"strtipv6");
7135
7136         if (!qeth_is_supported(card, IPA_IPV6)) {
7137                 PRINT_WARN("IPv6 not supported on %s\n",
7138                            QETH_CARD_IFNAME(card));
7139                 return 0;
7140         }
7141         rc = qeth_softsetup_ipv6(card);
7142 #endif
7143         return rc ;
7144 }
7145
7146 static int
7147 qeth_start_ipa_broadcast(struct qeth_card *card)
7148 {
7149         int rc;
7150
7151         QETH_DBF_TEXT(trace,3,"stbrdcst");
7152         card->info.broadcast_capable = 0;
7153         if (!qeth_is_supported(card, IPA_FILTERING)) {
7154                 PRINT_WARN("Broadcast not supported on %s\n",
7155                            QETH_CARD_IFNAME(card));
7156                 rc = -EOPNOTSUPP;
7157                 goto out;
7158         }
7159         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7160                                           IPA_CMD_ASS_START, 0);
7161         if (rc) {
7162                 PRINT_WARN("Could not enable broadcasting filtering "
7163                            "on %s: 0x%x\n",
7164                            QETH_CARD_IFNAME(card), rc);
7165                 goto out;
7166         }
7167
7168         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7169                                           IPA_CMD_ASS_CONFIGURE, 1);
7170         if (rc) {
7171                 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7172                            QETH_CARD_IFNAME(card), rc);
7173                 goto out;
7174         }
7175         card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7176         PRINT_INFO("Broadcast enabled \n");
7177         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7178                                           IPA_CMD_ASS_ENABLE, 1);
7179         if (rc) {
7180                 PRINT_WARN("Could not set up broadcast echo filtering on "
7181                            "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7182                 goto out;
7183         }
7184         card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7185 out:
7186         if (card->info.broadcast_capable)
7187                 card->dev->flags |= IFF_BROADCAST;
7188         else
7189                 card->dev->flags &= ~IFF_BROADCAST;
7190         return rc;
7191 }
7192
7193 static int
7194 qeth_send_checksum_command(struct qeth_card *card)
7195 {
7196         int rc;
7197
7198         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7199                                           IPA_CMD_ASS_START, 0);
7200         if (rc) {
7201                 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7202                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7203                            QETH_CARD_IFNAME(card), rc);
7204                 return rc;
7205         }
7206         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7207                                           IPA_CMD_ASS_ENABLE,
7208                                           card->info.csum_mask);
7209         if (rc) {
7210                 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7211                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7212                            QETH_CARD_IFNAME(card), rc);
7213                 return rc;
7214         }
7215         return 0;
7216 }
7217
7218 static int
7219 qeth_start_ipa_checksum(struct qeth_card *card)
7220 {
7221         int rc = 0;
7222
7223         QETH_DBF_TEXT(trace,3,"strtcsum");
7224
7225         if (card->options.checksum_type == NO_CHECKSUMMING) {
7226                 PRINT_WARN("Using no checksumming on %s.\n",
7227                            QETH_CARD_IFNAME(card));
7228                 return 0;
7229         }
7230         if (card->options.checksum_type == SW_CHECKSUMMING) {
7231                 PRINT_WARN("Using SW checksumming on %s.\n",
7232                            QETH_CARD_IFNAME(card));
7233                 return 0;
7234         }
7235         if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7236                 PRINT_WARN("Inbound HW Checksumming not "
7237                            "supported on %s,\ncontinuing "
7238                            "using Inbound SW Checksumming\n",
7239                            QETH_CARD_IFNAME(card));
7240                 card->options.checksum_type = SW_CHECKSUMMING;
7241                 return 0;
7242         }
7243         rc = qeth_send_checksum_command(card);
7244         if (!rc) {
7245                 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7246         }
7247         return rc;
7248 }
7249
7250 static int
7251 qeth_start_ipa_tso(struct qeth_card *card)
7252 {
7253         int rc;
7254
7255         QETH_DBF_TEXT(trace,3,"sttso");
7256
7257         if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7258                 PRINT_WARN("Outbound TSO not supported on %s\n",
7259                            QETH_CARD_IFNAME(card));
7260                 rc = -EOPNOTSUPP;
7261         } else {
7262                 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7263                                                   IPA_CMD_ASS_START,0);
7264                 if (rc)
7265                         PRINT_WARN("Could not start outbound TSO "
7266                                    "assist on %s: rc=%i\n",
7267                                    QETH_CARD_IFNAME(card), rc);
7268                 else
7269                         PRINT_INFO("Outbound TSO enabled\n");
7270         }
7271         if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7272                 card->options.large_send = QETH_LARGE_SEND_NO;
7273                 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7274         }
7275         return rc;
7276 }
7277
7278 static int
7279 qeth_start_ipassists(struct qeth_card *card)
7280 {
7281         QETH_DBF_TEXT(trace,3,"strtipas");
7282         qeth_start_ipa_arp_processing(card);    /* go on*/
7283         qeth_start_ipa_ip_fragmentation(card);  /* go on*/
7284         qeth_start_ipa_source_mac(card);        /* go on*/
7285         qeth_start_ipa_vlan(card);              /* go on*/
7286         qeth_start_ipa_multicast(card);         /* go on*/
7287         qeth_start_ipa_ipv6(card);              /* go on*/
7288         qeth_start_ipa_broadcast(card);         /* go on*/
7289         qeth_start_ipa_checksum(card);          /* go on*/
7290         qeth_start_ipa_tso(card);               /* go on*/
7291         return 0;
7292 }
7293
7294 static int
7295 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7296                      enum qeth_prot_versions prot)
7297 {
7298         int rc;
7299         struct qeth_ipa_cmd *cmd;
7300         struct qeth_cmd_buffer *iob;
7301
7302         QETH_DBF_TEXT(trace,4,"setroutg");
7303         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7304         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7305         cmd->data.setrtg.type = (type);
7306         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7307
7308         return rc;
7309
7310 }
7311
7312 static void
7313 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7314                         enum qeth_prot_versions prot)
7315 {
7316         if (card->info.type == QETH_CARD_TYPE_IQD) {
7317                 switch (*type) {
7318                 case NO_ROUTER:
7319                 case PRIMARY_CONNECTOR:
7320                 case SECONDARY_CONNECTOR:
7321                 case MULTICAST_ROUTER:
7322                         return;
7323                 default:
7324                         goto out_inval;
7325                 }
7326         } else {
7327                 switch (*type) {
7328                 case NO_ROUTER:
7329                 case PRIMARY_ROUTER:
7330                 case SECONDARY_ROUTER:
7331                         return;
7332                 case MULTICAST_ROUTER:
7333                         if (qeth_is_ipafunc_supported(card, prot,
7334                                                       IPA_OSA_MC_ROUTER))
7335                                 return;
7336                 default:
7337                         goto out_inval;
7338                 }
7339         }
7340 out_inval:
7341         PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7342                    "Router status set to 'no router'.\n",
7343                    ((*type == PRIMARY_ROUTER)? "primary router" :
7344                     (*type == SECONDARY_ROUTER)? "secondary router" :
7345                     (*type == PRIMARY_CONNECTOR)? "primary connector" :
7346                     (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7347                     (*type == MULTICAST_ROUTER)? "multicast router" :
7348                     "unknown"),
7349                    card->dev->name);
7350         *type = NO_ROUTER;
7351 }
7352
7353 int
7354 qeth_setrouting_v4(struct qeth_card *card)
7355 {
7356         int rc;
7357
7358         QETH_DBF_TEXT(trace,3,"setrtg4");
7359
7360         qeth_correct_routing_type(card, &card->options.route4.type,
7361                                   QETH_PROT_IPV4);
7362
7363         rc = qeth_send_setrouting(card, card->options.route4.type,
7364                                   QETH_PROT_IPV4);
7365         if (rc) {
7366                 card->options.route4.type = NO_ROUTER;
7367                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7368                            "Type set to 'no router'.\n",
7369                            rc, QETH_CARD_IFNAME(card));
7370         }
7371         return rc;
7372 }
7373
7374 int
7375 qeth_setrouting_v6(struct qeth_card *card)
7376 {
7377         int rc = 0;
7378
7379         QETH_DBF_TEXT(trace,3,"setrtg6");
7380 #ifdef CONFIG_QETH_IPV6
7381
7382         qeth_correct_routing_type(card, &card->options.route6.type,
7383                                   QETH_PROT_IPV6);
7384
7385         if ((card->options.route6.type == NO_ROUTER) ||
7386             ((card->info.type == QETH_CARD_TYPE_OSAE) &&
7387              (card->options.route6.type == MULTICAST_ROUTER) &&
7388              !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
7389                 return 0;
7390         rc = qeth_send_setrouting(card, card->options.route6.type,
7391                                   QETH_PROT_IPV6);
7392         if (rc) {
7393                 card->options.route6.type = NO_ROUTER;
7394                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7395                            "Type set to 'no router'.\n",
7396                            rc, QETH_CARD_IFNAME(card));
7397         }
7398 #endif
7399         return rc;
7400 }
7401
7402 int
7403 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7404 {
7405         int rc = 0;
7406
7407         if (card->dev == NULL) {
7408                 card->options.large_send = type;
7409                 return 0;
7410         }
7411         netif_stop_queue(card->dev);
7412         card->options.large_send = type;
7413         switch (card->options.large_send) {
7414         case QETH_LARGE_SEND_EDDP:
7415                 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7416                 break;
7417         case QETH_LARGE_SEND_TSO:
7418                 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7419                         card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7420                 } else {
7421                         PRINT_WARN("TSO not supported on %s. "
7422                                    "large_send set to 'no'.\n",
7423                                    card->dev->name);
7424                         card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7425                         card->options.large_send = QETH_LARGE_SEND_NO;
7426                         rc = -EOPNOTSUPP;
7427                 }
7428                 break;
7429         default: /* includes QETH_LARGE_SEND_NO */
7430                 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7431                 break;
7432         }
7433         netif_wake_queue(card->dev);
7434         return rc;
7435 }
7436
7437 /*
7438  * softsetup card: init IPA stuff
7439  */
7440 static int
7441 qeth_softsetup_card(struct qeth_card *card)
7442 {
7443         int rc;
7444
7445         QETH_DBF_TEXT(setup, 2, "softsetp");
7446
7447         if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7448                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7449                 if (rc == 0xe080){
7450                         PRINT_WARN("LAN on card %s if offline! "
7451                                    "Continuing softsetup.\n",
7452                                    CARD_BUS_ID(card));
7453                         card->lan_online = 0;
7454                 } else
7455                         return rc;
7456         } else
7457                 card->lan_online = 1;
7458         if (card->info.type==QETH_CARD_TYPE_OSN)
7459                 goto out;
7460         if (card->options.layer2) {
7461                 card->dev->features |=
7462                         NETIF_F_HW_VLAN_FILTER |
7463                         NETIF_F_HW_VLAN_TX |
7464                         NETIF_F_HW_VLAN_RX;
7465                 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7466                 card->info.broadcast_capable=1;
7467                 if ((rc = qeth_layer2_initialize(card))) {
7468                         QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7469                         return rc;
7470                 }
7471 #ifdef CONFIG_QETH_VLAN
7472                 qeth_layer2_process_vlans(card, 0);
7473 #endif
7474                 goto out;
7475         }
7476         if ((card->options.large_send == QETH_LARGE_SEND_EDDP) ||
7477             (card->options.large_send == QETH_LARGE_SEND_TSO))
7478                 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7479         else
7480                 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7481
7482         if ((rc = qeth_setadapter_parms(card)))
7483                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7484         if ((rc = qeth_start_ipassists(card)))
7485                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7486         if ((rc = qeth_setrouting_v4(card)))
7487                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7488         if ((rc = qeth_setrouting_v6(card)))
7489                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7490 out:
7491         netif_stop_queue(card->dev);
7492         return 0;
7493 }
7494
7495 #ifdef CONFIG_QETH_IPV6
7496 static int
7497 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7498                       unsigned long data)
7499 {
7500         struct qeth_ipa_cmd *cmd;
7501
7502         cmd = (struct qeth_ipa_cmd *) data;
7503         if (cmd->hdr.return_code == 0)
7504                 card->info.unique_id = *((__u16 *)
7505                                 &cmd->data.create_destroy_addr.unique_id[6]);
7506         else {
7507                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7508                                         UNIQUE_ID_NOT_BY_CARD;
7509                 PRINT_WARN("couldn't get a unique id from the card on device "
7510                            "%s (result=x%x), using default id. ipv6 "
7511                            "autoconfig on other lpars may lead to duplicate "
7512                            "ip addresses. please use manually "
7513                            "configured ones.\n",
7514                            CARD_BUS_ID(card), cmd->hdr.return_code);
7515         }
7516         return 0;
7517 }
7518 #endif
7519
7520 static int
7521 qeth_put_unique_id(struct qeth_card *card)
7522 {
7523
7524         int rc = 0;
7525 #ifdef CONFIG_QETH_IPV6
7526         struct qeth_cmd_buffer *iob;
7527         struct qeth_ipa_cmd *cmd;
7528
7529         QETH_DBF_TEXT(trace,2,"puniqeid");
7530
7531         if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7532                 UNIQUE_ID_NOT_BY_CARD)
7533                 return -1;
7534         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7535                                      QETH_PROT_IPV6);
7536         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7537         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7538                             card->info.unique_id;
7539         memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7540                card->dev->dev_addr, OSA_ADDR_LEN);
7541         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7542 #else
7543         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7544                                 UNIQUE_ID_NOT_BY_CARD;
7545 #endif
7546         return rc;
7547 }
7548
7549 /**
7550  * Clear IP List
7551  */
7552 static void
7553 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7554 {
7555         struct qeth_ipaddr *addr, *tmp;
7556         unsigned long flags;
7557
7558         QETH_DBF_TEXT(trace,4,"clearip");
7559         spin_lock_irqsave(&card->ip_lock, flags);
7560         /* clear todo list */
7561         list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7562                 list_del(&addr->entry);
7563                 kfree(addr);
7564         }
7565
7566         while (!list_empty(&card->ip_list)) {
7567                 addr = list_entry(card->ip_list.next,
7568                                   struct qeth_ipaddr, entry);
7569                 list_del_init(&addr->entry);
7570                 if (clean) {
7571                         spin_unlock_irqrestore(&card->ip_lock, flags);
7572                         qeth_deregister_addr_entry(card, addr);
7573                         spin_lock_irqsave(&card->ip_lock, flags);
7574                 }
7575                 if (!recover || addr->is_multicast) {
7576                         kfree(addr);
7577                         continue;
7578                 }
7579                 list_add_tail(&addr->entry, card->ip_tbd_list);
7580         }
7581         spin_unlock_irqrestore(&card->ip_lock, flags);
7582 }
7583
7584 static void
7585 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7586                          int clear_start_mask)
7587 {
7588         unsigned long flags;
7589
7590         spin_lock_irqsave(&card->thread_mask_lock, flags);
7591         card->thread_allowed_mask = threads;
7592         if (clear_start_mask)
7593                 card->thread_start_mask &= threads;
7594         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7595         wake_up(&card->wait_q);
7596 }
7597
7598 static inline int
7599 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7600 {
7601         unsigned long flags;
7602         int rc = 0;
7603
7604         spin_lock_irqsave(&card->thread_mask_lock, flags);
7605         rc = (card->thread_running_mask & threads);
7606         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7607         return rc;
7608 }
7609
7610 static int
7611 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7612 {
7613         return wait_event_interruptible(card->wait_q,
7614                         qeth_threads_running(card, threads) == 0);
7615 }
7616
7617 static int
7618 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7619 {
7620         int rc = 0;
7621
7622         QETH_DBF_TEXT(setup ,2,"stopcard");
7623         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7624
7625         qeth_set_allowed_threads(card, 0, 1);
7626         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7627                 return -ERESTARTSYS;
7628         if (card->read.state == CH_STATE_UP &&
7629             card->write.state == CH_STATE_UP &&
7630             (card->state == CARD_STATE_UP)) {
7631                 if (recovery_mode &&
7632                     card->info.type != QETH_CARD_TYPE_OSN) {
7633                         qeth_stop(card->dev);
7634                 } else {
7635                         rtnl_lock();
7636                         dev_close(card->dev);
7637                         rtnl_unlock();
7638                 }
7639                 if (!card->use_hard_stop) {
7640                         __u8 *mac = &card->dev->dev_addr[0];
7641                         rc = qeth_layer2_send_delmac(card, mac);
7642                         QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7643                         if ((rc = qeth_send_stoplan(card)))
7644                                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7645                 }
7646                 card->state = CARD_STATE_SOFTSETUP;
7647         }
7648         if (card->state == CARD_STATE_SOFTSETUP) {
7649 #ifdef CONFIG_QETH_VLAN
7650                 if (card->options.layer2)
7651                         qeth_layer2_process_vlans(card, 1);
7652 #endif
7653                 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7654                 qeth_clear_ipacmd_list(card);
7655                 card->state = CARD_STATE_HARDSETUP;
7656         }
7657         if (card->state == CARD_STATE_HARDSETUP) {
7658                 if ((!card->use_hard_stop) &&
7659                     (!card->options.layer2))
7660                         if ((rc = qeth_put_unique_id(card)))
7661                                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7662                 qeth_qdio_clear_card(card, 0);
7663                 qeth_clear_qdio_buffers(card);
7664                 qeth_clear_working_pool_list(card);
7665                 card->state = CARD_STATE_DOWN;
7666         }
7667         if (card->state == CARD_STATE_DOWN) {
7668                 qeth_clear_cmd_buffers(&card->read);
7669                 qeth_clear_cmd_buffers(&card->write);
7670         }
7671         card->use_hard_stop = 0;
7672         return rc;
7673 }
7674
7675
7676 static int
7677 qeth_get_unique_id(struct qeth_card *card)
7678 {
7679         int rc = 0;
7680 #ifdef CONFIG_QETH_IPV6
7681         struct qeth_cmd_buffer *iob;
7682         struct qeth_ipa_cmd *cmd;
7683
7684         QETH_DBF_TEXT(setup, 2, "guniqeid");
7685
7686         if (!qeth_is_supported(card,IPA_IPV6)) {
7687                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7688                                         UNIQUE_ID_NOT_BY_CARD;
7689                 return 0;
7690         }
7691
7692         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7693                                      QETH_PROT_IPV6);
7694         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7695         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7696                             card->info.unique_id;
7697
7698         rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7699 #else
7700         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7701                                 UNIQUE_ID_NOT_BY_CARD;
7702 #endif
7703         return rc;
7704 }
7705 static void
7706 qeth_print_status_with_portname(struct qeth_card *card)
7707 {
7708         char dbf_text[15];
7709         int i;
7710
7711         sprintf(dbf_text, "%s", card->info.portname + 1);
7712         for (i = 0; i < 8; i++)
7713                 dbf_text[i] =
7714                         (char) _ebcasc[(__u8) dbf_text[i]];
7715         dbf_text[8] = 0;
7716         printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7717                "with link type %s (portname: %s)\n",
7718                CARD_RDEV_ID(card),
7719                CARD_WDEV_ID(card),
7720                CARD_DDEV_ID(card),
7721                qeth_get_cardname(card),
7722                (card->info.mcl_level[0]) ? " (level: " : "",
7723                (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7724                (card->info.mcl_level[0]) ? ")" : "",
7725                qeth_get_cardname_short(card),
7726                dbf_text);
7727
7728 }
7729
7730 static void
7731 qeth_print_status_no_portname(struct qeth_card *card)
7732 {
7733         if (card->info.portname[0])
7734                 printk("qeth: Device %s/%s/%s is a%s "
7735                        "card%s%s%s\nwith link type %s "
7736                        "(no portname needed by interface).\n",
7737                        CARD_RDEV_ID(card),
7738                        CARD_WDEV_ID(card),
7739                        CARD_DDEV_ID(card),
7740                        qeth_get_cardname(card),
7741                        (card->info.mcl_level[0]) ? " (level: " : "",
7742                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7743                        (card->info.mcl_level[0]) ? ")" : "",
7744                        qeth_get_cardname_short(card));
7745         else
7746                 printk("qeth: Device %s/%s/%s is a%s "
7747                        "card%s%s%s\nwith link type %s.\n",
7748                        CARD_RDEV_ID(card),
7749                        CARD_WDEV_ID(card),
7750                        CARD_DDEV_ID(card),
7751                        qeth_get_cardname(card),
7752                        (card->info.mcl_level[0]) ? " (level: " : "",
7753                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7754                        (card->info.mcl_level[0]) ? ")" : "",
7755                        qeth_get_cardname_short(card));
7756 }
7757
7758 static void
7759 qeth_print_status_message(struct qeth_card *card)
7760 {
7761         switch (card->info.type) {
7762         case QETH_CARD_TYPE_OSAE:
7763                 /* VM will use a non-zero first character
7764                  * to indicate a HiperSockets like reporting
7765                  * of the level OSA sets the first character to zero
7766                  * */
7767                 if (!card->info.mcl_level[0]) {
7768                         sprintf(card->info.mcl_level,"%02x%02x",
7769                                 card->info.mcl_level[2],
7770                                 card->info.mcl_level[3]);
7771
7772                         card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7773                         break;
7774                 }
7775                 /* fallthrough */
7776         case QETH_CARD_TYPE_IQD:
7777                 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7778                         card->info.mcl_level[0]];
7779                 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7780                         card->info.mcl_level[1]];
7781                 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7782                         card->info.mcl_level[2]];
7783                 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7784                         card->info.mcl_level[3]];
7785                 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7786                 break;
7787         default:
7788                 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7789         }
7790         if (card->info.portname_required)
7791                 qeth_print_status_with_portname(card);
7792         else
7793                 qeth_print_status_no_portname(card);
7794 }
7795
7796 static int
7797 qeth_register_netdev(struct qeth_card *card)
7798 {
7799         QETH_DBF_TEXT(setup, 3, "regnetd");
7800         if (card->dev->reg_state != NETREG_UNINITIALIZED) {
7801                 qeth_netdev_init(card->dev);
7802                 return 0;
7803         }
7804         /* sysfs magic */
7805         SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7806         return register_netdev(card->dev);
7807 }
7808
7809 static void
7810 qeth_start_again(struct qeth_card *card, int recovery_mode)
7811 {
7812         QETH_DBF_TEXT(setup ,2, "startag");
7813
7814         if (recovery_mode &&
7815             card->info.type != QETH_CARD_TYPE_OSN) {
7816                 qeth_open(card->dev);
7817         } else {
7818                 rtnl_lock();
7819                 dev_open(card->dev);
7820                 rtnl_unlock();
7821         }
7822         /* this also sets saved unicast addresses */
7823         qeth_set_multicast_list(card->dev);
7824 }
7825
7826
7827 /* Layer 2 specific stuff */
7828 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7829         if (card->options.option == value) { \
7830                 PRINT_ERR("%s not supported with layer 2 " \
7831                           "functionality, ignoring option on read" \
7832                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7833                 card->options.option = reset_value; \
7834         }
7835 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7836         if (card->options.option != value) { \
7837                 PRINT_ERR("%s not supported with layer 2 " \
7838                           "functionality, ignoring option on read" \
7839                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7840                 card->options.option = reset_value; \
7841         }
7842
7843
7844 static void qeth_make_parameters_consistent(struct qeth_card *card)
7845 {
7846
7847         if (card->options.layer2 == 0)
7848                 return;
7849         if (card->info.type == QETH_CARD_TYPE_OSN)
7850                 return;
7851         if (card->info.type == QETH_CARD_TYPE_IQD) {
7852                 PRINT_ERR("Device %s does not support layer 2 functionality." \
7853                           " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7854                 card->options.layer2 = 0;
7855                 return;
7856         }
7857         IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7858                          "Routing options are");
7859 #ifdef CONFIG_QETH_IPV6
7860         IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7861                          "Routing options are");
7862 #endif
7863         IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7864                         QETH_CHECKSUM_DEFAULT,
7865                         "Checksumming options are");
7866         IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7867                          QETH_TR_BROADCAST_ALLRINGS,
7868                          "Broadcast mode options are");
7869         IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7870                          QETH_TR_MACADDR_NONCANONICAL,
7871                          "Canonical MAC addr options are");
7872         IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7873                          "Broadcast faking options are");
7874         IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7875                          DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7876         IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7877 }
7878
7879
7880 static int
7881 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7882 {
7883         struct qeth_card *card = gdev->dev.driver_data;
7884         int rc = 0;
7885         enum qeth_card_states recover_flag;
7886
7887         BUG_ON(!card);
7888         QETH_DBF_TEXT(setup ,2, "setonlin");
7889         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7890
7891         qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7892         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7893                 PRINT_WARN("set_online of card %s interrupted by user!\n",
7894                            CARD_BUS_ID(card));
7895                 return -ERESTARTSYS;
7896         }
7897
7898         recover_flag = card->state;
7899         if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7900             (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7901             (rc = ccw_device_set_online(CARD_DDEV(card)))){
7902                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7903                 return -EIO;
7904         }
7905
7906         qeth_make_parameters_consistent(card);
7907
7908         if ((rc = qeth_hardsetup_card(card))){
7909                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7910                 goto out_remove;
7911         }
7912         card->state = CARD_STATE_HARDSETUP;
7913
7914         if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7915                 rc = qeth_get_unique_id(card);
7916
7917         if (rc && card->options.layer2 == 0) {
7918                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7919                 goto out_remove;
7920         }
7921         qeth_print_status_message(card);
7922         if ((rc = qeth_register_netdev(card))){
7923                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7924                 goto out_remove;
7925         }
7926         if ((rc = qeth_softsetup_card(card))){
7927                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7928                 goto out_remove;
7929         }
7930         card->state = CARD_STATE_SOFTSETUP;
7931
7932         if ((rc = qeth_init_qdio_queues(card))){
7933                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7934                 goto out_remove;
7935         }
7936         netif_carrier_on(card->dev);
7937
7938         qeth_set_allowed_threads(card, 0xffffffff, 0);
7939         if (recover_flag == CARD_STATE_RECOVER)
7940                 qeth_start_again(card, recovery_mode);
7941         qeth_notify_processes();
7942         return 0;
7943 out_remove:
7944         card->use_hard_stop = 1;
7945         qeth_stop_card(card, 0);
7946         ccw_device_set_offline(CARD_DDEV(card));
7947         ccw_device_set_offline(CARD_WDEV(card));
7948         ccw_device_set_offline(CARD_RDEV(card));
7949         if (recover_flag == CARD_STATE_RECOVER)
7950                 card->state = CARD_STATE_RECOVER;
7951         else
7952                 card->state = CARD_STATE_DOWN;
7953         return -ENODEV;
7954 }
7955
7956 static int
7957 qeth_set_online(struct ccwgroup_device *gdev)
7958 {
7959         return __qeth_set_online(gdev, 0);
7960 }
7961
7962 static struct ccw_device_id qeth_ids[] = {
7963         {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7964         {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7965         {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7966         {},
7967 };
7968 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7969
7970 struct device *qeth_root_dev = NULL;
7971
7972 struct ccwgroup_driver qeth_ccwgroup_driver = {
7973         .owner = THIS_MODULE,
7974         .name = "qeth",
7975         .driver_id = 0xD8C5E3C8,
7976         .probe = qeth_probe_device,
7977         .remove = qeth_remove_device,
7978         .set_online = qeth_set_online,
7979         .set_offline = qeth_set_offline,
7980 };
7981
7982 struct ccw_driver qeth_ccw_driver = {
7983         .name = "qeth",
7984         .ids = qeth_ids,
7985         .probe = ccwgroup_probe_ccwdev,
7986         .remove = ccwgroup_remove_ccwdev,
7987 };
7988
7989
7990 static void
7991 qeth_unregister_dbf_views(void)
7992 {
7993         if (qeth_dbf_setup)
7994                 debug_unregister(qeth_dbf_setup);
7995         if (qeth_dbf_qerr)
7996                 debug_unregister(qeth_dbf_qerr);
7997         if (qeth_dbf_sense)
7998                 debug_unregister(qeth_dbf_sense);
7999         if (qeth_dbf_misc)
8000                 debug_unregister(qeth_dbf_misc);
8001         if (qeth_dbf_data)
8002                 debug_unregister(qeth_dbf_data);
8003         if (qeth_dbf_control)
8004                 debug_unregister(qeth_dbf_control);
8005         if (qeth_dbf_trace)
8006                 debug_unregister(qeth_dbf_trace);
8007 }
8008 static int
8009 qeth_register_dbf_views(void)
8010 {
8011         qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
8012                                         QETH_DBF_SETUP_PAGES,
8013                                         QETH_DBF_SETUP_NR_AREAS,
8014                                         QETH_DBF_SETUP_LEN);
8015         qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
8016                                        QETH_DBF_MISC_PAGES,
8017                                        QETH_DBF_MISC_NR_AREAS,
8018                                        QETH_DBF_MISC_LEN);
8019         qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
8020                                        QETH_DBF_DATA_PAGES,
8021                                        QETH_DBF_DATA_NR_AREAS,
8022                                        QETH_DBF_DATA_LEN);
8023         qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
8024                                           QETH_DBF_CONTROL_PAGES,
8025                                           QETH_DBF_CONTROL_NR_AREAS,
8026                                           QETH_DBF_CONTROL_LEN);
8027         qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
8028                                         QETH_DBF_SENSE_PAGES,
8029                                         QETH_DBF_SENSE_NR_AREAS,
8030                                         QETH_DBF_SENSE_LEN);
8031         qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
8032                                        QETH_DBF_QERR_PAGES,
8033                                        QETH_DBF_QERR_NR_AREAS,
8034                                        QETH_DBF_QERR_LEN);
8035         qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
8036                                         QETH_DBF_TRACE_PAGES,
8037                                         QETH_DBF_TRACE_NR_AREAS,
8038                                         QETH_DBF_TRACE_LEN);
8039
8040         if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL)    ||
8041             (qeth_dbf_data == NULL)  || (qeth_dbf_control == NULL) ||
8042             (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL)    ||
8043             (qeth_dbf_trace == NULL)) {
8044                 qeth_unregister_dbf_views();
8045                 return -ENOMEM;
8046         }
8047         debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
8048         debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8049
8050         debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8051         debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8052
8053         debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8054         debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8055
8056         debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8057         debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8058
8059         debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8060         debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8061
8062         debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8063         debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8064
8065         debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8066         debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8067
8068         return 0;
8069 }
8070
8071 #ifdef CONFIG_QETH_IPV6
8072 extern struct neigh_table arp_tbl;
8073 static struct neigh_ops *arp_direct_ops;
8074 static int (*qeth_old_arp_constructor) (struct neighbour *);
8075
8076 static struct neigh_ops arp_direct_ops_template = {
8077         .family = AF_INET,
8078         .destructor = NULL,
8079         .solicit = NULL,
8080         .error_report = NULL,
8081         .output = dev_queue_xmit,
8082         .connected_output = dev_queue_xmit,
8083         .hh_output = dev_queue_xmit,
8084         .queue_xmit = dev_queue_xmit
8085 };
8086
8087 static int
8088 qeth_arp_constructor(struct neighbour *neigh)
8089 {
8090         struct net_device *dev = neigh->dev;
8091         struct in_device *in_dev;
8092         struct neigh_parms *parms;
8093         struct qeth_card *card;
8094
8095         card = qeth_get_card_from_dev(dev);
8096         if (card == NULL)
8097                 goto out;
8098         if((card->options.layer2) ||
8099            (card->dev->hard_header == qeth_fake_header))
8100                 goto out;
8101
8102         rcu_read_lock();
8103         in_dev = __in_dev_get_rcu(dev);
8104         if (in_dev == NULL) {
8105                 rcu_read_unlock();
8106                 return -EINVAL;
8107         }
8108
8109         parms = in_dev->arp_parms;
8110         __neigh_parms_put(neigh->parms);
8111         neigh->parms = neigh_parms_clone(parms);
8112         rcu_read_unlock();
8113
8114         neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8115         neigh->nud_state = NUD_NOARP;
8116         neigh->ops = arp_direct_ops;
8117         neigh->output = neigh->ops->queue_xmit;
8118         return 0;
8119 out:
8120         return qeth_old_arp_constructor(neigh);
8121 }
8122 #endif  /*CONFIG_QETH_IPV6*/
8123
8124 /*
8125  * IP address takeover related functions
8126  */
8127 static void
8128 qeth_clear_ipato_list(struct qeth_card *card)
8129 {
8130         struct qeth_ipato_entry *ipatoe, *tmp;
8131         unsigned long flags;
8132
8133         spin_lock_irqsave(&card->ip_lock, flags);
8134         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8135                 list_del(&ipatoe->entry);
8136                 kfree(ipatoe);
8137         }
8138         spin_unlock_irqrestore(&card->ip_lock, flags);
8139 }
8140
8141 int
8142 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8143 {
8144         struct qeth_ipato_entry *ipatoe;
8145         unsigned long flags;
8146         int rc = 0;
8147
8148         QETH_DBF_TEXT(trace, 2, "addipato");
8149         spin_lock_irqsave(&card->ip_lock, flags);
8150         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8151                 if (ipatoe->proto != new->proto)
8152                         continue;
8153                 if (!memcmp(ipatoe->addr, new->addr,
8154                             (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8155                     (ipatoe->mask_bits == new->mask_bits)){
8156                         PRINT_WARN("ipato entry already exists!\n");
8157                         rc = -EEXIST;
8158                         break;
8159                 }
8160         }
8161         if (!rc) {
8162                 list_add_tail(&new->entry, &card->ipato.entries);
8163         }
8164         spin_unlock_irqrestore(&card->ip_lock, flags);
8165         return rc;
8166 }
8167
8168 void
8169 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8170                      u8 *addr, int mask_bits)
8171 {
8172         struct qeth_ipato_entry *ipatoe, *tmp;
8173         unsigned long flags;
8174
8175         QETH_DBF_TEXT(trace, 2, "delipato");
8176         spin_lock_irqsave(&card->ip_lock, flags);
8177         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8178                 if (ipatoe->proto != proto)
8179                         continue;
8180                 if (!memcmp(ipatoe->addr, addr,
8181                             (proto == QETH_PROT_IPV4)? 4:16) &&
8182                     (ipatoe->mask_bits == mask_bits)){
8183                         list_del(&ipatoe->entry);
8184                         kfree(ipatoe);
8185                 }
8186         }
8187         spin_unlock_irqrestore(&card->ip_lock, flags);
8188 }
8189
8190 static inline void
8191 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8192 {
8193         int i, j;
8194         u8 octet;
8195
8196         for (i = 0; i < len; ++i){
8197                 octet = addr[i];
8198                 for (j = 7; j >= 0; --j){
8199                         bits[i*8 + j] = octet & 1;
8200                         octet >>= 1;
8201                 }
8202         }
8203 }
8204
8205 static int
8206 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8207 {
8208         struct qeth_ipato_entry *ipatoe;
8209         u8 addr_bits[128] = {0, };
8210         u8 ipatoe_bits[128] = {0, };
8211         int rc = 0;
8212
8213         if (!card->ipato.enabled)
8214                 return 0;
8215
8216         qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8217                                   (addr->proto == QETH_PROT_IPV4)? 4:16);
8218         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8219                 if (addr->proto != ipatoe->proto)
8220                         continue;
8221                 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8222                                           (ipatoe->proto==QETH_PROT_IPV4) ?
8223                                           4:16);
8224                 if (addr->proto == QETH_PROT_IPV4)
8225                         rc = !memcmp(addr_bits, ipatoe_bits,
8226                                      min(32, ipatoe->mask_bits));
8227                 else
8228                         rc = !memcmp(addr_bits, ipatoe_bits,
8229                                      min(128, ipatoe->mask_bits));
8230                 if (rc)
8231                         break;
8232         }
8233         /* invert? */
8234         if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8235                 rc = !rc;
8236         else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8237                 rc = !rc;
8238
8239         return rc;
8240 }
8241
8242 /*
8243  * VIPA related functions
8244  */
8245 int
8246 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8247               const u8 *addr)
8248 {
8249         struct qeth_ipaddr *ipaddr;
8250         unsigned long flags;
8251         int rc = 0;
8252
8253         ipaddr = qeth_get_addr_buffer(proto);
8254         if (ipaddr){
8255                 if (proto == QETH_PROT_IPV4){
8256                         QETH_DBF_TEXT(trace, 2, "addvipa4");
8257                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8258                         ipaddr->u.a4.mask = 0;
8259 #ifdef CONFIG_QETH_IPV6
8260                 } else if (proto == QETH_PROT_IPV6){
8261                         QETH_DBF_TEXT(trace, 2, "addvipa6");
8262                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8263                         ipaddr->u.a6.pfxlen = 0;
8264 #endif
8265                 }
8266                 ipaddr->type = QETH_IP_TYPE_VIPA;
8267                 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8268                 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8269         } else
8270                 return -ENOMEM;
8271         spin_lock_irqsave(&card->ip_lock, flags);
8272         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8273             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8274                 rc = -EEXIST;
8275         spin_unlock_irqrestore(&card->ip_lock, flags);
8276         if (rc){
8277                 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8278                 return rc;
8279         }
8280         if (!qeth_add_ip(card, ipaddr))
8281                 kfree(ipaddr);
8282         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8283                 schedule_work(&card->kernel_thread_starter);
8284         return rc;
8285 }
8286
8287 void
8288 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8289               const u8 *addr)
8290 {
8291         struct qeth_ipaddr *ipaddr;
8292
8293         ipaddr = qeth_get_addr_buffer(proto);
8294         if (ipaddr){
8295                 if (proto == QETH_PROT_IPV4){
8296                         QETH_DBF_TEXT(trace, 2, "delvipa4");
8297                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8298                         ipaddr->u.a4.mask = 0;
8299 #ifdef CONFIG_QETH_IPV6
8300                 } else if (proto == QETH_PROT_IPV6){
8301                         QETH_DBF_TEXT(trace, 2, "delvipa6");
8302                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8303                         ipaddr->u.a6.pfxlen = 0;
8304 #endif
8305                 }
8306                 ipaddr->type = QETH_IP_TYPE_VIPA;
8307         } else
8308                 return;
8309         if (!qeth_delete_ip(card, ipaddr))
8310                 kfree(ipaddr);
8311         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8312                 schedule_work(&card->kernel_thread_starter);
8313 }
8314
8315 /*
8316  * proxy ARP related functions
8317  */
8318 int
8319 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8320               const u8 *addr)
8321 {
8322         struct qeth_ipaddr *ipaddr;
8323         unsigned long flags;
8324         int rc = 0;
8325
8326         ipaddr = qeth_get_addr_buffer(proto);
8327         if (ipaddr){
8328                 if (proto == QETH_PROT_IPV4){
8329                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8330                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8331                         ipaddr->u.a4.mask = 0;
8332 #ifdef CONFIG_QETH_IPV6
8333                 } else if (proto == QETH_PROT_IPV6){
8334                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8335                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8336                         ipaddr->u.a6.pfxlen = 0;
8337 #endif
8338                 }
8339                 ipaddr->type = QETH_IP_TYPE_RXIP;
8340                 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8341                 ipaddr->del_flags = 0;
8342         } else
8343                 return -ENOMEM;
8344         spin_lock_irqsave(&card->ip_lock, flags);
8345         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8346             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8347                 rc = -EEXIST;
8348         spin_unlock_irqrestore(&card->ip_lock, flags);
8349         if (rc){
8350                 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8351                 return rc;
8352         }
8353         if (!qeth_add_ip(card, ipaddr))
8354                 kfree(ipaddr);
8355         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8356                 schedule_work(&card->kernel_thread_starter);
8357         return 0;
8358 }
8359
8360 void
8361 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8362               const u8 *addr)
8363 {
8364         struct qeth_ipaddr *ipaddr;
8365
8366         ipaddr = qeth_get_addr_buffer(proto);
8367         if (ipaddr){
8368                 if (proto == QETH_PROT_IPV4){
8369                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8370                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8371                         ipaddr->u.a4.mask = 0;
8372 #ifdef CONFIG_QETH_IPV6
8373                 } else if (proto == QETH_PROT_IPV6){
8374                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8375                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8376                         ipaddr->u.a6.pfxlen = 0;
8377 #endif
8378                 }
8379                 ipaddr->type = QETH_IP_TYPE_RXIP;
8380         } else
8381                 return;
8382         if (!qeth_delete_ip(card, ipaddr))
8383                 kfree(ipaddr);
8384         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8385                 schedule_work(&card->kernel_thread_starter);
8386 }
8387
8388 /**
8389  * IP event handler
8390  */
8391 static int
8392 qeth_ip_event(struct notifier_block *this,
8393               unsigned long event,void *ptr)
8394 {
8395         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8396         struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8397         struct qeth_ipaddr *addr;
8398         struct qeth_card *card;
8399
8400         QETH_DBF_TEXT(trace,3,"ipevent");
8401         card = qeth_get_card_from_dev(dev);
8402         if (!card)
8403                 return NOTIFY_DONE;
8404         if (card->options.layer2)
8405                 return NOTIFY_DONE;
8406
8407         addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8408         if (addr != NULL) {
8409                 addr->u.a4.addr = ifa->ifa_address;
8410                 addr->u.a4.mask = ifa->ifa_mask;
8411                 addr->type = QETH_IP_TYPE_NORMAL;
8412         } else
8413                 goto out;
8414
8415         switch(event) {
8416         case NETDEV_UP:
8417                 if (!qeth_add_ip(card, addr))
8418                         kfree(addr);
8419                 break;
8420         case NETDEV_DOWN:
8421                 if (!qeth_delete_ip(card, addr))
8422                         kfree(addr);
8423                 break;
8424         default:
8425                 break;
8426         }
8427         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8428                 schedule_work(&card->kernel_thread_starter);
8429 out:
8430         return NOTIFY_DONE;
8431 }
8432
8433 static struct notifier_block qeth_ip_notifier = {
8434         qeth_ip_event,
8435         0
8436 };
8437
8438 #ifdef CONFIG_QETH_IPV6
8439 /**
8440  * IPv6 event handler
8441  */
8442 static int
8443 qeth_ip6_event(struct notifier_block *this,
8444               unsigned long event,void *ptr)
8445 {
8446
8447         struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8448         struct net_device *dev = (struct net_device *)ifa->idev->dev;
8449         struct qeth_ipaddr *addr;
8450         struct qeth_card *card;
8451
8452         QETH_DBF_TEXT(trace,3,"ip6event");
8453
8454         card = qeth_get_card_from_dev(dev);
8455         if (!card)
8456                 return NOTIFY_DONE;
8457         if (!qeth_is_supported(card, IPA_IPV6))
8458                 return NOTIFY_DONE;
8459
8460         addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8461         if (addr != NULL) {
8462                 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8463                 addr->u.a6.pfxlen = ifa->prefix_len;
8464                 addr->type = QETH_IP_TYPE_NORMAL;
8465         } else
8466                 goto out;
8467
8468         switch(event) {
8469         case NETDEV_UP:
8470                 if (!qeth_add_ip(card, addr))
8471                         kfree(addr);
8472                 break;
8473         case NETDEV_DOWN:
8474                 if (!qeth_delete_ip(card, addr))
8475                         kfree(addr);
8476                 break;
8477         default:
8478                 break;
8479         }
8480         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8481                 schedule_work(&card->kernel_thread_starter);
8482 out:
8483         return NOTIFY_DONE;
8484 }
8485
8486 static struct notifier_block qeth_ip6_notifier = {
8487         qeth_ip6_event,
8488         0
8489 };
8490 #endif
8491
8492 static int
8493 __qeth_reboot_event_card(struct device *dev, void *data)
8494 {
8495         struct qeth_card *card;
8496
8497         card = (struct qeth_card *) dev->driver_data;
8498         qeth_clear_ip_list(card, 0, 0);
8499         qeth_qdio_clear_card(card, 0);
8500         return 0;
8501 }
8502
8503 static int
8504 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8505 {
8506
8507         driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8508                                __qeth_reboot_event_card);
8509         return NOTIFY_DONE;
8510 }
8511
8512
8513 static struct notifier_block qeth_reboot_notifier = {
8514         qeth_reboot_event,
8515         0
8516 };
8517
8518 static int
8519 qeth_register_notifiers(void)
8520 {
8521         int r;
8522
8523         QETH_DBF_TEXT(trace,5,"regnotif");
8524         if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8525                 return r;
8526         if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8527                 goto out_reboot;
8528 #ifdef CONFIG_QETH_IPV6
8529         if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8530                 goto out_ipv4;
8531 #endif
8532         return 0;
8533
8534 #ifdef CONFIG_QETH_IPV6
8535 out_ipv4:
8536         unregister_inetaddr_notifier(&qeth_ip_notifier);
8537 #endif
8538 out_reboot:
8539         unregister_reboot_notifier(&qeth_reboot_notifier);
8540         return r;
8541 }
8542
8543 /**
8544  * unregister all event notifiers
8545  */
8546 static void
8547 qeth_unregister_notifiers(void)
8548 {
8549
8550         QETH_DBF_TEXT(trace,5,"unregnot");
8551         BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8552         BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8553 #ifdef CONFIG_QETH_IPV6
8554         BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8555 #endif /* QETH_IPV6 */
8556
8557 }
8558
8559 #ifdef CONFIG_QETH_IPV6
8560 static int
8561 qeth_ipv6_init(void)
8562 {
8563         qeth_old_arp_constructor = arp_tbl.constructor;
8564         write_lock(&arp_tbl.lock);
8565         arp_tbl.constructor = qeth_arp_constructor;
8566         write_unlock(&arp_tbl.lock);
8567
8568         arp_direct_ops = (struct neigh_ops*)
8569                 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8570         if (!arp_direct_ops)
8571                 return -ENOMEM;
8572
8573         memcpy(arp_direct_ops, &arp_direct_ops_template,
8574                sizeof(struct neigh_ops));
8575
8576         return 0;
8577 }
8578
8579 static void
8580 qeth_ipv6_uninit(void)
8581 {
8582         write_lock(&arp_tbl.lock);
8583         arp_tbl.constructor = qeth_old_arp_constructor;
8584         write_unlock(&arp_tbl.lock);
8585         kfree(arp_direct_ops);
8586 }
8587 #endif /* CONFIG_QETH_IPV6 */
8588
8589 static void
8590 qeth_sysfs_unregister(void)
8591 {
8592         qeth_remove_driver_attributes();
8593         ccw_driver_unregister(&qeth_ccw_driver);
8594         ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8595         s390_root_dev_unregister(qeth_root_dev);
8596 }
8597 /**
8598  * register qeth at sysfs
8599  */
8600 static int
8601 qeth_sysfs_register(void)
8602 {
8603         int rc=0;
8604
8605         rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8606         if (rc)
8607                 return rc;
8608         rc = ccw_driver_register(&qeth_ccw_driver);
8609         if (rc)
8610                 return rc;
8611         rc = qeth_create_driver_attributes();
8612         if (rc)
8613                 return rc;
8614         qeth_root_dev = s390_root_dev_register("qeth");
8615         if (IS_ERR(qeth_root_dev)) {
8616                 rc = PTR_ERR(qeth_root_dev);
8617                 return rc;
8618         }
8619         return 0;
8620 }
8621
8622 /***
8623  * init function
8624  */
8625 static int __init
8626 qeth_init(void)
8627 {
8628         int rc=0;
8629
8630         PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
8631                    version, VERSION_QETH_C, VERSION_QETH_H,
8632                    VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
8633                    VERSION_QETH_FS_H, VERSION_QETH_PROC_C,
8634                    VERSION_QETH_SYS_C, QETH_VERSION_IPV6,
8635                    QETH_VERSION_VLAN);
8636
8637         INIT_LIST_HEAD(&qeth_card_list.list);
8638         INIT_LIST_HEAD(&qeth_notify_list);
8639         spin_lock_init(&qeth_notify_lock);
8640         rwlock_init(&qeth_card_list.rwlock);
8641
8642         if (qeth_register_dbf_views())
8643                 goto out_err;
8644         if (qeth_sysfs_register())
8645                 goto out_sysfs;
8646
8647 #ifdef CONFIG_QETH_IPV6
8648         if (qeth_ipv6_init()) {
8649                 PRINT_ERR("Out of memory during ipv6 init.\n");
8650                 goto out_sysfs;
8651         }
8652 #endif /* QETH_IPV6 */
8653         if (qeth_register_notifiers())
8654                 goto out_ipv6;
8655         if (qeth_create_procfs_entries())
8656                 goto out_notifiers;
8657
8658         return rc;
8659
8660 out_notifiers:
8661         qeth_unregister_notifiers();
8662 out_ipv6:
8663 #ifdef CONFIG_QETH_IPV6
8664         qeth_ipv6_uninit();
8665 #endif /* QETH_IPV6 */
8666 out_sysfs:
8667         qeth_sysfs_unregister();
8668         qeth_unregister_dbf_views();
8669 out_err:
8670         PRINT_ERR("Initialization failed");
8671         return rc;
8672 }
8673
8674 static void
8675 __exit qeth_exit(void)
8676 {
8677         struct qeth_card *card, *tmp;
8678         unsigned long flags;
8679
8680         QETH_DBF_TEXT(trace,1, "cleanup.");
8681
8682         /*
8683          * Weed would not need to clean up our devices here, because the
8684          * common device layer calls qeth_remove_device for each device
8685          * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8686          * But we do cleanup here so we can do a "soft" shutdown of our cards.
8687          * qeth_remove_device called by the common device layer would otherwise
8688          * do a "hard" shutdown (card->use_hard_stop is set to one in
8689          * qeth_remove_device).
8690          */
8691 again:
8692         read_lock_irqsave(&qeth_card_list.rwlock, flags);
8693         list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8694                 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8695                 qeth_set_offline(card->gdev);
8696                 qeth_remove_device(card->gdev);
8697                 goto again;
8698         }
8699         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8700 #ifdef CONFIG_QETH_IPV6
8701         qeth_ipv6_uninit();
8702 #endif
8703         qeth_unregister_notifiers();
8704         qeth_remove_procfs_entries();
8705         qeth_sysfs_unregister();
8706         qeth_unregister_dbf_views();
8707         printk("qeth: removed\n");
8708 }
8709
8710 EXPORT_SYMBOL(qeth_osn_register);
8711 EXPORT_SYMBOL(qeth_osn_deregister);
8712 EXPORT_SYMBOL(qeth_osn_assist);
8713 module_init(qeth_init);
8714 module_exit(qeth_exit);
8715 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8716 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8717                                       "Copyright 2000,2003 IBM Corporation\n");
8718
8719 MODULE_LICENSE("GPL");