SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/s390/net/qeth_main.c

   1 /*
   2  * linux/drivers/s390/net/qeth_main.c
   3  *
   4  * Linux on zSeries OSA Express and HiperSockets support
   5  *
   6  * Copyright 2000,2003 IBM Corporation
   7  *
   8  *    Author(s): Original Code written by
   9  *                        Utz Bacher (utz.bacher@de.ibm.com)
  10  *               Rewritten by
  11  *                        Frank Pavlic (fpavlic@de.ibm.com) and
  12  *                        Thomas Spatzier <tspat@de.ibm.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2, or (at your option)
  17  * any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29
  30 #include <linux/module.h>
  31 #include <linux/moduleparam.h>
  32 #include <linux/string.h>
  33 #include <linux/errno.h>
  34 #include <linux/mm.h>
  35 #include <linux/ip.h>
  36 #include <linux/inetdevice.h>
  37 #include <linux/netdevice.h>
  38 #include <linux/sched.h>
  39 #include <linux/workqueue.h>
  40 #include <linux/kernel.h>
  41 #include <linux/slab.h>
  42 #include <linux/interrupt.h>
  43 #include <linux/tcp.h>
  44 #include <linux/icmp.h>
  45 #include <linux/skbuff.h>
  46 #include <linux/in.h>
  47 #include <linux/igmp.h>
  48 #include <linux/init.h>
  49 #include <linux/reboot.h>
  50 #include <linux/mii.h>
  51 #include <linux/rcupdate.h>
  52 #include <linux/ethtool.h>
  53
  54 #include <net/arp.h>
  55 #include <net/ip.h>
  56 #include <net/route.h>
  57
  58 #include <asm/ebcdic.h>
  59 #include <asm/io.h>
  60 #include <asm/qeth.h>
  61 #include <asm/timex.h>
  62 #include <asm/semaphore.h>
  63 #include <asm/uaccess.h>
  64 #include <asm/s390_rdev.h>
  65
  66 #include "qeth.h"
  67 #include "qeth_mpc.h"
  68 #include "qeth_fs.h"
  69 #include "qeth_eddp.h"
  70 #include "qeth_tso.h"
  71
  72 static const char *version = "qeth S/390 OSA-Express driver";
  73
  74 /**
  75  * Debug Facility Stuff
  76  */
  77 static debug_info_t *qeth_dbf_setup = NULL;
  78 static debug_info_t *qeth_dbf_data = NULL;
  79 static debug_info_t *qeth_dbf_misc = NULL;
  80 static debug_info_t *qeth_dbf_control = NULL;
  81 debug_info_t *qeth_dbf_trace = NULL;
  82 static debug_info_t *qeth_dbf_sense = NULL;
  83 static debug_info_t *qeth_dbf_qerr = NULL;
  84
  85 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
  86
  87 static struct lock_class_key qdio_out_skb_queue_key;
  88
  89 /**
  90  * some more definitions and declarations
  91  */
  92 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
  93
  94 /* list of our cards */
  95 struct qeth_card_list_struct qeth_card_list;
  96 /*process list want to be notified*/
  97 spinlock_t qeth_notify_lock;
  98 struct list_head qeth_notify_list;
  99
 100 static void qeth_send_control_data_cb(struct qeth_channel *,
 101                                       struct qeth_cmd_buffer *);
 102
 103 /**
 104  * here we go with function implementation
 105  */
 106 static void
 107 qeth_init_qdio_info(struct qeth_card *card);
 108
 109 static int
 110 qeth_init_qdio_queues(struct qeth_card *card);
 111
 112 static int
 113 qeth_alloc_qdio_buffers(struct qeth_card *card);
 114
 115 static void
 116 qeth_free_qdio_buffers(struct qeth_card *);
 117
 118 static void
 119 qeth_clear_qdio_buffers(struct qeth_card *);
 120
 121 static void
 122 qeth_clear_ip_list(struct qeth_card *, int, int);
 123
 124 static void
 125 qeth_clear_ipacmd_list(struct qeth_card *);
 126
 127 static int
 128 qeth_qdio_clear_card(struct qeth_card *, int);
 129
 130 static void
 131 qeth_clear_working_pool_list(struct qeth_card *);
 132
 133 static void
 134 qeth_clear_cmd_buffers(struct qeth_channel *);
 135
 136 static int
 137 qeth_stop(struct net_device *);
 138
 139 static void
 140 qeth_clear_ipato_list(struct qeth_card *);
 141
 142 static int
 143 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
 144
 145 static void
 146 qeth_irq_tasklet(unsigned long);
 147
 148 static int
 149 qeth_set_online(struct ccwgroup_device *);
 150
 151 static int
 152 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
 153
 154 static struct qeth_ipaddr *
 155 qeth_get_addr_buffer(enum qeth_prot_versions);
 156
 157 static void
 158 qeth_set_multicast_list(struct net_device *);
 159
 160 static void
 161 qeth_setadp_promisc_mode(struct qeth_card *);
 162
 163 static void
 164 qeth_notify_processes(void)
 165 {
 166         /*notify all  registered processes */
 167         struct qeth_notify_list_struct *n_entry;
 168
 169         QETH_DBF_TEXT(trace,3,"procnoti");
 170         spin_lock(&qeth_notify_lock);
 171         list_for_each_entry(n_entry, &qeth_notify_list, list) {
 172                 send_sig(n_entry->signum, n_entry->task, 1);
 173         }
 174         spin_unlock(&qeth_notify_lock);
 175
 176 }
 177 int
 178 qeth_notifier_unregister(struct task_struct *p)
 179 {
 180         struct qeth_notify_list_struct *n_entry, *tmp;
 181
 182         QETH_DBF_TEXT(trace, 2, "notunreg");
 183         spin_lock(&qeth_notify_lock);
 184         list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
 185                 if (n_entry->task == p) {
 186                         list_del(&n_entry->list);
 187                         kfree(n_entry);
 188                         goto out;
 189                 }
 190         }
 191 out:
 192         spin_unlock(&qeth_notify_lock);
 193         return 0;
 194 }
 195 int
 196 qeth_notifier_register(struct task_struct *p, int signum)
 197 {
 198         struct qeth_notify_list_struct *n_entry;
 199
 200         /*check first if entry already exists*/
 201         spin_lock(&qeth_notify_lock);
 202         list_for_each_entry(n_entry, &qeth_notify_list, list) {
 203                 if (n_entry->task == p) {
 204                         n_entry->signum = signum;
 205                         spin_unlock(&qeth_notify_lock);
 206                         return 0;
 207                 }
 208         }
 209         spin_unlock(&qeth_notify_lock);
 210
 211         n_entry = (struct qeth_notify_list_struct *)
 212                 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
 213         if (!n_entry)
 214                 return -ENOMEM;
 215         n_entry->task = p;
 216         n_entry->signum = signum;
 217         spin_lock(&qeth_notify_lock);
 218         list_add(&n_entry->list,&qeth_notify_list);
 219         spin_unlock(&qeth_notify_lock);
 220         return 0;
 221 }
 222
 223
 224 /**
 225  * free channel command buffers
 226  */
 227 static void
 228 qeth_clean_channel(struct qeth_channel *channel)
 229 {
 230         int cnt;
 231
 232         QETH_DBF_TEXT(setup, 2, "freech");
 233         for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
 234                 kfree(channel->iob[cnt].data);
 235 }
 236
 237 /**
 238  * free card
 239  */
 240 static void
 241 qeth_free_card(struct qeth_card *card)
 242 {
 243
 244         QETH_DBF_TEXT(setup, 2, "freecrd");
 245         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 246         qeth_clean_channel(&card->read);
 247         qeth_clean_channel(&card->write);
 248         if (card->dev)
 249                 free_netdev(card->dev);
 250         qeth_clear_ip_list(card, 0, 0);
 251         qeth_clear_ipato_list(card);
 252         kfree(card->ip_tbd_list);
 253         qeth_free_qdio_buffers(card);
 254         kfree(card);
 255 }
 256
 257 /**
 258  * alloc memory for command buffer per channel
 259  */
 260 static int
 261 qeth_setup_channel(struct qeth_channel *channel)
 262 {
 263         int cnt;
 264
 265         QETH_DBF_TEXT(setup, 2, "setupch");
 266         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
 267                 channel->iob[cnt].data = (char *)
 268                         kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
 269                 if (channel->iob[cnt].data == NULL)
 270                         break;
 271                 channel->iob[cnt].state = BUF_STATE_FREE;
 272                 channel->iob[cnt].channel = channel;
 273                 channel->iob[cnt].callback = qeth_send_control_data_cb;
 274                 channel->iob[cnt].rc = 0;
 275         }
 276         if (cnt < QETH_CMD_BUFFER_NO) {
 277                 while (cnt-- > 0)
 278                         kfree(channel->iob[cnt].data);
 279                 return -ENOMEM;
 280         }
 281         channel->buf_no = 0;
 282         channel->io_buf_no = 0;
 283         atomic_set(&channel->irq_pending, 0);
 284         spin_lock_init(&channel->iob_lock);
 285
 286         init_waitqueue_head(&channel->wait_q);
 287         channel->irq_tasklet.data = (unsigned long) channel;
 288         channel->irq_tasklet.func = qeth_irq_tasklet;
 289         return 0;
 290 }
 291
 292 /**
 293  * alloc memory for card structure
 294  */
 295 static struct qeth_card *
 296 qeth_alloc_card(void)
 297 {
 298         struct qeth_card *card;
 299
 300         QETH_DBF_TEXT(setup, 2, "alloccrd");
 301         card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
 302         if (!card)
 303                 return NULL;
 304         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
 305         if (qeth_setup_channel(&card->read)) {
 306                 kfree(card);
 307                 return NULL;
 308         }
 309         if (qeth_setup_channel(&card->write)) {
 310                 qeth_clean_channel(&card->read);
 311                 kfree(card);
 312                 return NULL;
 313         }
 314         return card;
 315 }
 316
 317 static long
 318 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
 319 {
 320         if (!IS_ERR(irb))
 321                 return 0;
 322
 323         switch (PTR_ERR(irb)) {
 324         case -EIO:
 325                 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
 326                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 327                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
 328                 break;
 329         case -ETIMEDOUT:
 330                 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
 331                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 332                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -ETIMEDOUT);
 333                 break;
 334         default:
 335                 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
 336                            cdev->dev.bus_id);
 337                 QETH_DBF_TEXT(trace, 2, "ckirberr");
 338                 QETH_DBF_TEXT(trace, 2, "  rc???");
 339         }
 340         return PTR_ERR(irb);
 341 }
 342
 343 static int
 344 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
 345 {
 346         int dstat,cstat;
 347         char *sense;
 348
 349         sense = (char *) irb->ecw;
 350         cstat = irb->scsw.cstat;
 351         dstat = irb->scsw.dstat;
 352
 353         if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
 354                      SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
 355                      SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
 356                 QETH_DBF_TEXT(trace,2, "CGENCHK");
 357                 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
 358                            cdev->dev.bus_id, dstat, cstat);
 359                 HEXDUMP16(WARN, "irb: ", irb);
 360                 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
 361                 return 1;
 362         }
 363
 364         if (dstat & DEV_STAT_UNIT_CHECK) {
 365                 if (sense[SENSE_RESETTING_EVENT_BYTE] &
 366                     SENSE_RESETTING_EVENT_FLAG) {
 367                         QETH_DBF_TEXT(trace,2,"REVIND");
 368                         return 1;
 369                 }
 370                 if (sense[SENSE_COMMAND_REJECT_BYTE] &
 371                     SENSE_COMMAND_REJECT_FLAG) {
 372                         QETH_DBF_TEXT(trace,2,"CMDREJi");
 373                         return 0;
 374                 }
 375                 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
 376                         QETH_DBF_TEXT(trace,2,"AFFE");
 377                         return 1;
 378                 }
 379                 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
 380                         QETH_DBF_TEXT(trace,2,"ZEROSEN");
 381                         return 0;
 382                 }
 383                 QETH_DBF_TEXT(trace,2,"DGENCHK");
 384                         return 1;
 385         }
 386         return 0;
 387 }
 388 static int qeth_issue_next_read(struct qeth_card *);
 389
 390 /**
 391  * interrupt handler
 392  */
 393 static void
 394 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 395 {
 396         int rc;
 397         int cstat,dstat;
 398         struct qeth_cmd_buffer *buffer;
 399         struct qeth_channel *channel;
 400         struct qeth_card *card;
 401
 402         QETH_DBF_TEXT(trace,5,"irq");
 403
 404         if (__qeth_check_irb_error(cdev, irb))
 405                 return;
 406         cstat = irb->scsw.cstat;
 407         dstat = irb->scsw.dstat;
 408
 409         card = CARD_FROM_CDEV(cdev);
 410         if (!card)
 411                 return;
 412
 413         if (card->read.ccwdev == cdev){
 414                 channel = &card->read;
 415                 QETH_DBF_TEXT(trace,5,"read");
 416         } else if (card->write.ccwdev == cdev) {
 417                 channel = &card->write;
 418                 QETH_DBF_TEXT(trace,5,"write");
 419         } else {
 420                 channel = &card->data;
 421                 QETH_DBF_TEXT(trace,5,"data");
 422         }
 423         atomic_set(&channel->irq_pending, 0);
 424
 425         if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
 426                 channel->state = CH_STATE_STOPPED;
 427
 428         if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
 429                 channel->state = CH_STATE_HALTED;
 430
 431         /*let's wake up immediately on data channel*/
 432         if ((channel == &card->data) && (intparm != 0))
 433                 goto out;
 434
 435         if (intparm == QETH_CLEAR_CHANNEL_PARM) {
 436                 QETH_DBF_TEXT(trace, 6, "clrchpar");
 437                 /* we don't have to handle this further */
 438                 intparm = 0;
 439         }
 440         if (intparm == QETH_HALT_CHANNEL_PARM) {
 441                 QETH_DBF_TEXT(trace, 6, "hltchpar");
 442                 /* we don't have to handle this further */
 443                 intparm = 0;
 444         }
 445         if ((dstat & DEV_STAT_UNIT_EXCEP) ||
 446             (dstat & DEV_STAT_UNIT_CHECK) ||
 447             (cstat)) {
 448                 if (irb->esw.esw0.erw.cons) {
 449                         /* TODO: we should make this s390dbf */
 450                         PRINT_WARN("sense data available on channel %s.\n",
 451                                    CHANNEL_ID(channel));
 452                         PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
 453                         HEXDUMP16(WARN,"irb: ",irb);
 454                         HEXDUMP16(WARN,"sense data: ",irb->ecw);
 455                 }
 456                 rc = qeth_get_problem(cdev,irb);
 457                 if (rc) {
 458                         qeth_schedule_recovery(card);
 459                         goto out;
 460                 }
 461         }
 462
 463         if (intparm) {
 464                 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
 465                 buffer->state = BUF_STATE_PROCESSED;
 466         }
 467         if (channel == &card->data)
 468                 return;
 469
 470         if (channel == &card->read &&
 471             channel->state == CH_STATE_UP)
 472                 qeth_issue_next_read(card);
 473
 474         qeth_irq_tasklet((unsigned long)channel);
 475         return;
 476 out:
 477         wake_up(&card->wait_q);
 478 }
 479
 480 /**
 481  * tasklet function scheduled from irq handler
 482  */
 483 static void
 484 qeth_irq_tasklet(unsigned long data)
 485 {
 486         struct qeth_card *card;
 487         struct qeth_channel *channel;
 488         struct qeth_cmd_buffer *iob;
 489         __u8 index;
 490
 491         QETH_DBF_TEXT(trace,5,"irqtlet");
 492         channel = (struct qeth_channel *) data;
 493         iob = channel->iob;
 494         index = channel->buf_no;
 495         card = CARD_FROM_CDEV(channel->ccwdev);
 496         while (iob[index].state == BUF_STATE_PROCESSED) {
 497                 if (iob[index].callback !=NULL) {
 498                         iob[index].callback(channel,iob + index);
 499                 }
 500                 index = (index + 1) % QETH_CMD_BUFFER_NO;
 501         }
 502         channel->buf_no = index;
 503         wake_up(&card->wait_q);
 504 }
 505
 506 static int qeth_stop_card(struct qeth_card *, int);
 507
 508 static int
 509 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
 510 {
 511         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 512         int rc = 0, rc2 = 0, rc3 = 0;
 513         enum qeth_card_states recover_flag;
 514
 515         QETH_DBF_TEXT(setup, 3, "setoffl");
 516         QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 517
 518         if (card->dev && netif_carrier_ok(card->dev))
 519                 netif_carrier_off(card->dev);
 520         recover_flag = card->state;
 521         if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
 522                 PRINT_WARN("Stopping card %s interrupted by user!\n",
 523                            CARD_BUS_ID(card));
 524                 return -ERESTARTSYS;
 525         }
 526         rc  = ccw_device_set_offline(CARD_DDEV(card));
 527         rc2 = ccw_device_set_offline(CARD_WDEV(card));
 528         rc3 = ccw_device_set_offline(CARD_RDEV(card));
 529         if (!rc)
 530                 rc = (rc2) ? rc2 : rc3;
 531         if (rc)
 532                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
 533         if (recover_flag == CARD_STATE_UP)
 534                 card->state = CARD_STATE_RECOVER;
 535         qeth_notify_processes();
 536         return 0;
 537 }
 538
 539 static int
 540 qeth_set_offline(struct ccwgroup_device *cgdev)
 541 {
 542         return  __qeth_set_offline(cgdev, 0);
 543 }
 544
 545 static int
 546 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
 547
 548
 549 static void
 550 qeth_remove_device(struct ccwgroup_device *cgdev)
 551 {
 552         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
 553         unsigned long flags;
 554
 555         QETH_DBF_TEXT(setup, 3, "rmdev");
 556         QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 557
 558         if (!card)
 559                 return;
 560
 561         if (qeth_wait_for_threads(card, 0xffffffff))
 562                 return;
 563
 564         if (cgdev->state == CCWGROUP_ONLINE){
 565                 card->use_hard_stop = 1;
 566                 qeth_set_offline(cgdev);
 567         }
 568         /* remove form our internal list */
 569         write_lock_irqsave(&qeth_card_list.rwlock, flags);
 570         list_del(&card->list);
 571         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
 572         if (card->dev)
 573                 unregister_netdev(card->dev);
 574         qeth_remove_device_attributes(&cgdev->dev);
 575         qeth_free_card(card);
 576         cgdev->dev.driver_data = NULL;
 577         put_device(&cgdev->dev);
 578 }
 579
 580 static int
 581 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 582 static int
 583 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
 584
 585 /**
 586  * Add/remove address to/from card's ip list, i.e. try to add or remove
 587  * reference to/from an IP address that is already registered on the card.
 588  * Returns:
 589  *      0  address was on card and its reference count has been adjusted,
 590  *         but is still > 0, so nothing has to be done
 591  *         also returns 0 if card was not on card and the todo was to delete
 592  *         the address -> there is also nothing to be done
 593  *      1  address was not on card and the todo is to add it to the card's ip
 594  *         list
 595  *      -1 address was on card and its reference count has been decremented
 596  *         to <= 0 by the todo -> address must be removed from card
 597  */
 598 static int
 599 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
 600                       struct qeth_ipaddr **__addr)
 601 {
 602         struct qeth_ipaddr *addr;
 603         int found = 0;
 604
 605         list_for_each_entry(addr, &card->ip_list, entry) {
 606                 if (card->options.layer2) {
 607                         if ((addr->type == todo->type) &&
 608                             (memcmp(&addr->mac, &todo->mac,
 609                                     OSA_ADDR_LEN) == 0)) {
 610                                 found = 1;
 611                                 break;
 612                         }
 613                         continue;
 614                 }
 615                 if ((addr->proto     == QETH_PROT_IPV4)  &&
 616                     (todo->proto     == QETH_PROT_IPV4)  &&
 617                     (addr->type      == todo->type)      &&
 618                     (addr->u.a4.addr == todo->u.a4.addr) &&
 619                     (addr->u.a4.mask == todo->u.a4.mask)) {
 620                         found = 1;
 621                         break;
 622                 }
 623                 if ((addr->proto       == QETH_PROT_IPV6)     &&
 624                     (todo->proto       == QETH_PROT_IPV6)     &&
 625                     (addr->type        == todo->type)         &&
 626                     (addr->u.a6.pfxlen == todo->u.a6.pfxlen)  &&
 627                     (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
 628                             sizeof(struct in6_addr)) == 0)) {
 629                         found = 1;
 630                         break;
 631                 }
 632         }
 633         if (found) {
 634                 addr->users += todo->users;
 635                 if (addr->users <= 0){
 636                         *__addr = addr;
 637                         return -1;
 638                 } else {
 639                         /* for VIPA and RXIP limit refcount to 1 */
 640                         if (addr->type != QETH_IP_TYPE_NORMAL)
 641                                 addr->users = 1;
 642                         return 0;
 643                 }
 644         }
 645         if (todo->users > 0) {
 646                 /* for VIPA and RXIP limit refcount to 1 */
 647                 if (todo->type != QETH_IP_TYPE_NORMAL)
 648                         todo->users = 1;
 649                 return 1;
 650         } else
 651                 return 0;
 652 }
 653
 654 static int
 655 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
 656                               int same_type)
 657 {
 658         struct qeth_ipaddr *tmp;
 659
 660         list_for_each_entry(tmp, list, entry) {
 661                 if ((tmp->proto     == QETH_PROT_IPV4)            &&
 662                     (addr->proto    == QETH_PROT_IPV4)            &&
 663                     ((same_type && (tmp->type == addr->type)) ||
 664                      (!same_type && (tmp->type != addr->type))  ) &&
 665                     (tmp->u.a4.addr == addr->u.a4.addr)             ){
 666                         return 1;
 667                 }
 668                 if ((tmp->proto  == QETH_PROT_IPV6)               &&
 669                     (addr->proto == QETH_PROT_IPV6)               &&
 670                     ((same_type && (tmp->type == addr->type)) ||
 671                      (!same_type && (tmp->type != addr->type))  ) &&
 672                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 673                             sizeof(struct in6_addr)) == 0)          ) {
 674                         return 1;
 675                 }
 676         }
 677         return 0;
 678 }
 679
 680 /*
 681  * Add IP to be added to todo list. If there is already an "add todo"
 682  * in this list we just incremenent the reference count.
 683  * Returns 0 if we  just incremented reference count.
 684  */
 685 static int
 686 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
 687 {
 688         struct qeth_ipaddr *tmp, *t;
 689         int found = 0;
 690
 691         list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
 692                 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
 693                     (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
 694                         return 0;
 695                 if (card->options.layer2) {
 696                         if ((tmp->type  == addr->type)  &&
 697                             (tmp->is_multicast == addr->is_multicast) &&
 698                             (memcmp(&tmp->mac, &addr->mac,
 699                                     OSA_ADDR_LEN) == 0)) {
 700                                 found = 1;
 701                                 break;
 702                         }
 703                         continue;
 704                 }
 705                 if ((tmp->proto        == QETH_PROT_IPV4)     &&
 706                     (addr->proto       == QETH_PROT_IPV4)     &&
 707                     (tmp->type         == addr->type)         &&
 708                     (tmp->is_multicast == addr->is_multicast) &&
 709                     (tmp->u.a4.addr    == addr->u.a4.addr)    &&
 710                     (tmp->u.a4.mask    == addr->u.a4.mask)) {
 711                         found = 1;
 712                         break;
 713                 }
 714                 if ((tmp->proto        == QETH_PROT_IPV6)      &&
 715                     (addr->proto       == QETH_PROT_IPV6)      &&
 716                     (tmp->type         == addr->type)          &&
 717                     (tmp->is_multicast == addr->is_multicast)  &&
 718                     (tmp->u.a6.pfxlen  == addr->u.a6.pfxlen)   &&
 719                     (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
 720                             sizeof(struct in6_addr)) == 0)) {
 721                         found = 1;
 722                         break;
 723                 }
 724         }
 725         if (found){
 726                 if (addr->users != 0)
 727                         tmp->users += addr->users;
 728                 else
 729                         tmp->users += add? 1:-1;
 730                 if (tmp->users == 0) {
 731                         list_del(&tmp->entry);
 732                         kfree(tmp);
 733                 }
 734                 return 0;
 735         } else {
 736                 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
 737                         list_add(&addr->entry, card->ip_tbd_list);
 738                 else {
 739                         if (addr->users == 0)
 740                                 addr->users += add? 1:-1;
 741                         if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
 742                             qeth_is_addr_covered_by_ipato(card, addr)){
 743                                 QETH_DBF_TEXT(trace, 2, "tkovaddr");
 744                                 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
 745                         }
 746                         list_add_tail(&addr->entry, card->ip_tbd_list);
 747                 }
 748                 return 1;
 749         }
 750 }
 751
 752 /**
 753  * Remove IP address from list
 754  */
 755 static int
 756 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 757 {
 758         unsigned long flags;
 759         int rc = 0;
 760
 761         QETH_DBF_TEXT(trace, 4, "delip");
 762
 763         if (card->options.layer2)
 764                 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
 765         else if (addr->proto == QETH_PROT_IPV4)
 766                 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
 767         else {
 768                 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
 769                 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
 770         }
 771         spin_lock_irqsave(&card->ip_lock, flags);
 772         rc = __qeth_insert_ip_todo(card, addr, 0);
 773         spin_unlock_irqrestore(&card->ip_lock, flags);
 774         return rc;
 775 }
 776
 777 static int
 778 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 779 {
 780         unsigned long flags;
 781         int rc = 0;
 782
 783         QETH_DBF_TEXT(trace, 4, "addip");
 784         if (card->options.layer2)
 785                 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
 786         else if (addr->proto == QETH_PROT_IPV4)
 787                 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
 788         else {
 789                 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
 790                 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
 791         }
 792         spin_lock_irqsave(&card->ip_lock, flags);
 793         rc = __qeth_insert_ip_todo(card, addr, 1);
 794         spin_unlock_irqrestore(&card->ip_lock, flags);
 795         return rc;
 796 }
 797
 798 static void
 799 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
 800 {
 801         struct qeth_ipaddr *addr, *tmp;
 802         int rc;
 803 again:
 804         list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
 805                 if (addr->is_multicast) {
 806                         spin_unlock_irqrestore(&card->ip_lock, *flags);
 807                         rc = qeth_deregister_addr_entry(card, addr);
 808                         spin_lock_irqsave(&card->ip_lock, *flags);
 809                         if (!rc) {
 810                                 list_del(&addr->entry);
 811                                 kfree(addr);
 812                                 goto again;
 813                         }
 814                 }
 815         }
 816 }
 817
 818 static void
 819 qeth_set_ip_addr_list(struct qeth_card *card)
 820 {
 821         struct list_head *tbd_list;
 822         struct qeth_ipaddr *todo, *addr;
 823         unsigned long flags;
 824         int rc;
 825
 826         QETH_DBF_TEXT(trace, 2, "sdiplist");
 827         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
 828
 829         spin_lock_irqsave(&card->ip_lock, flags);
 830         tbd_list = card->ip_tbd_list;
 831         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
 832         if (!card->ip_tbd_list) {
 833                 QETH_DBF_TEXT(trace, 0, "silnomem");
 834                 card->ip_tbd_list = tbd_list;
 835                 spin_unlock_irqrestore(&card->ip_lock, flags);
 836                 return;
 837         } else
 838                 INIT_LIST_HEAD(card->ip_tbd_list);
 839
 840         while (!list_empty(tbd_list)){
 841                 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
 842                 list_del(&todo->entry);
 843                 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
 844                         __qeth_delete_all_mc(card, &flags);
 845                         kfree(todo);
 846                         continue;
 847                 }
 848                 rc = __qeth_ref_ip_on_card(card, todo, &addr);
 849                 if (rc == 0) {
 850                         /* nothing to be done; only adjusted refcount */
 851                         kfree(todo);
 852                 } else if (rc == 1) {
 853                         /* new entry to be added to on-card list */
 854                         spin_unlock_irqrestore(&card->ip_lock, flags);
 855                         rc = qeth_register_addr_entry(card, todo);
 856                         spin_lock_irqsave(&card->ip_lock, flags);
 857                         if (!rc)
 858                                 list_add_tail(&todo->entry, &card->ip_list);
 859                         else
 860                                 kfree(todo);
 861                 } else if (rc == -1) {
 862                         /* on-card entry to be removed */
 863                         list_del_init(&addr->entry);
 864                         spin_unlock_irqrestore(&card->ip_lock, flags);
 865                         rc = qeth_deregister_addr_entry(card, addr);
 866                         spin_lock_irqsave(&card->ip_lock, flags);
 867                         if (!rc)
 868                                 kfree(addr);
 869                         else
 870                                 list_add_tail(&addr->entry, &card->ip_list);
 871                         kfree(todo);
 872                 }
 873         }
 874         spin_unlock_irqrestore(&card->ip_lock, flags);
 875         kfree(tbd_list);
 876 }
 877
 878 static void qeth_delete_mc_addresses(struct qeth_card *);
 879 static void qeth_add_multicast_ipv4(struct qeth_card *);
 880 static void qeth_layer2_add_multicast(struct qeth_card *);
 881 #ifdef CONFIG_QETH_IPV6
 882 static void qeth_add_multicast_ipv6(struct qeth_card *);
 883 #endif
 884
 885 static int
 886 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
 887 {
 888         unsigned long flags;
 889
 890         spin_lock_irqsave(&card->thread_mask_lock, flags);
 891         if ( !(card->thread_allowed_mask & thread) ||
 892               (card->thread_start_mask & thread) ) {
 893                 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 894                 return -EPERM;
 895         }
 896         card->thread_start_mask |= thread;
 897         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 898         return 0;
 899 }
 900
 901 static void
 902 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
 903 {
 904         unsigned long flags;
 905
 906         spin_lock_irqsave(&card->thread_mask_lock, flags);
 907         card->thread_start_mask &= ~thread;
 908         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 909         wake_up(&card->wait_q);
 910 }
 911
 912 static void
 913 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
 914 {
 915         unsigned long flags;
 916
 917         spin_lock_irqsave(&card->thread_mask_lock, flags);
 918         card->thread_running_mask &= ~thread;
 919         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 920         wake_up(&card->wait_q);
 921 }
 922
 923 static int
 924 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 925 {
 926         unsigned long flags;
 927         int rc = 0;
 928
 929         spin_lock_irqsave(&card->thread_mask_lock, flags);
 930         if (card->thread_start_mask & thread){
 931                 if ((card->thread_allowed_mask & thread) &&
 932                     !(card->thread_running_mask & thread)){
 933                         rc = 1;
 934                         card->thread_start_mask &= ~thread;
 935                         card->thread_running_mask |= thread;
 936                 } else
 937                         rc = -EPERM;
 938         }
 939         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
 940         return rc;
 941 }
 942
 943 static int
 944 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
 945 {
 946         int rc = 0;
 947
 948         wait_event(card->wait_q,
 949                    (rc = __qeth_do_run_thread(card, thread)) >= 0);
 950         return rc;
 951 }
 952
 953 static int
 954 qeth_recover(void *ptr)
 955 {
 956         struct qeth_card *card;
 957         int rc = 0;
 958
 959         card = (struct qeth_card *) ptr;
 960         daemonize("qeth_recover");
 961         QETH_DBF_TEXT(trace,2,"recover1");
 962         QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
 963         if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
 964                 return 0;
 965         QETH_DBF_TEXT(trace,2,"recover2");
 966         PRINT_WARN("Recovery of device %s started ...\n",
 967                    CARD_BUS_ID(card));
 968         card->use_hard_stop = 1;
 969         __qeth_set_offline(card->gdev,1);
 970         rc = __qeth_set_online(card->gdev,1);
 971         if (!rc)
 972                 PRINT_INFO("Device %s successfully recovered!\n",
 973                            CARD_BUS_ID(card));
 974         else
 975                 PRINT_INFO("Device %s could not be recovered!\n",
 976                            CARD_BUS_ID(card));
 977         /* don't run another scheduled recovery */
 978         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 979         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
 980         return 0;
 981 }
 982
 983 void
 984 qeth_schedule_recovery(struct qeth_card *card)
 985 {
 986         QETH_DBF_TEXT(trace,2,"startrec");
 987         if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
 988                 schedule_work(&card->kernel_thread_starter);
 989 }
 990
 991 static int
 992 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
 993 {
 994         unsigned long flags;
 995         int rc = 0;
 996
 997         spin_lock_irqsave(&card->thread_mask_lock, flags);
 998         QETH_DBF_TEXT_(trace, 4, "  %02x%02x%02x",
 999                         (u8) card->thread_start_mask,
1000                         (u8) card->thread_allowed_mask,
1001                         (u8) card->thread_running_mask);
1002         rc = (card->thread_start_mask & thread);
1003         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1004         return rc;
1005 }
1006
1007 static void
1008 qeth_start_kernel_thread(struct work_struct *work)
1009 {
1010         struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter);
1011         QETH_DBF_TEXT(trace , 2, "strthrd");
1012
1013         if (card->read.state != CH_STATE_UP &&
1014             card->write.state != CH_STATE_UP)
1015                 return;
1016         if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1017                 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1018 }
1019
1020
1021 static void
1022 qeth_set_intial_options(struct qeth_card *card)
1023 {
1024         card->options.route4.type = NO_ROUTER;
1025 #ifdef CONFIG_QETH_IPV6
1026         card->options.route6.type = NO_ROUTER;
1027 #endif /* QETH_IPV6 */
1028         card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1029         card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1030         card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1031         card->options.fake_broadcast = 0;
1032         card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1033         card->options.fake_ll = 0;
1034         if (card->info.type == QETH_CARD_TYPE_OSN)
1035                 card->options.layer2 = 1;
1036         else
1037                 card->options.layer2 = 0;
1038         card->options.performance_stats = 0;
1039 }
1040
1041 /**
1042  * initialize channels ,card and all state machines
1043  */
1044 static int
1045 qeth_setup_card(struct qeth_card *card)
1046 {
1047
1048         QETH_DBF_TEXT(setup, 2, "setupcrd");
1049         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1050
1051         card->read.state  = CH_STATE_DOWN;
1052         card->write.state = CH_STATE_DOWN;
1053         card->data.state  = CH_STATE_DOWN;
1054         card->state = CARD_STATE_DOWN;
1055         card->lan_online = 0;
1056         card->use_hard_stop = 0;
1057         card->dev = NULL;
1058 #ifdef CONFIG_QETH_VLAN
1059         spin_lock_init(&card->vlanlock);
1060         card->vlangrp = NULL;
1061 #endif
1062         spin_lock_init(&card->lock);
1063         spin_lock_init(&card->ip_lock);
1064         spin_lock_init(&card->thread_mask_lock);
1065         card->thread_start_mask = 0;
1066         card->thread_allowed_mask = 0;
1067         card->thread_running_mask = 0;
1068         INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1069         INIT_LIST_HEAD(&card->ip_list);
1070         card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1071         if (!card->ip_tbd_list) {
1072                 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1073                 return -ENOMEM;
1074         }
1075         INIT_LIST_HEAD(card->ip_tbd_list);
1076         INIT_LIST_HEAD(&card->cmd_waiter_list);
1077         init_waitqueue_head(&card->wait_q);
1078         /* intial options */
1079         qeth_set_intial_options(card);
1080         /* IP address takeover */
1081         INIT_LIST_HEAD(&card->ipato.entries);
1082         card->ipato.enabled = 0;
1083         card->ipato.invert4 = 0;
1084         card->ipato.invert6 = 0;
1085         /* init QDIO stuff */
1086         qeth_init_qdio_info(card);
1087         return 0;
1088 }
1089
1090 static int
1091 is_1920_device (struct qeth_card *card)
1092 {
1093         int single_queue = 0;
1094         struct ccw_device *ccwdev;
1095         struct channelPath_dsc {
1096                 u8 flags;
1097                 u8 lsn;
1098                 u8 desc;
1099                 u8 chpid;
1100                 u8 swla;
1101                 u8 zeroes;
1102                 u8 chla;
1103                 u8 chpp;
1104         } *chp_dsc;
1105
1106         QETH_DBF_TEXT(setup, 2, "chk_1920");
1107
1108         ccwdev = card->data.ccwdev;
1109         chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1110         if (chp_dsc != NULL) {
1111                 /* CHPP field bit 6 == 1 -> single queue */
1112                 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1113                 kfree(chp_dsc);
1114         }
1115         QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1116         return single_queue;
1117 }
1118
1119 static int
1120 qeth_determine_card_type(struct qeth_card *card)
1121 {
1122         int i = 0;
1123
1124         QETH_DBF_TEXT(setup, 2, "detcdtyp");
1125
1126         card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1127         card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1128         while (known_devices[i][4]) {
1129                 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1130                     (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1131                         card->info.type = known_devices[i][4];
1132                         card->qdio.no_out_queues = known_devices[i][8];
1133                         card->info.is_multicast_different = known_devices[i][9];
1134                         if (is_1920_device(card)) {
1135                                 PRINT_INFO("Priority Queueing not able "
1136                                            "due to hardware limitations!\n");
1137                                 card->qdio.no_out_queues = 1;
1138                                 card->qdio.default_out_queue = 0;
1139                         }
1140                         return 0;
1141                 }
1142                 i++;
1143         }
1144         card->info.type = QETH_CARD_TYPE_UNKNOWN;
1145         PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1146         return -ENOENT;
1147 }
1148
1149 static int
1150 qeth_probe_device(struct ccwgroup_device *gdev)
1151 {
1152         struct qeth_card *card;
1153         struct device *dev;
1154         unsigned long flags;
1155         int rc;
1156
1157         QETH_DBF_TEXT(setup, 2, "probedev");
1158
1159         dev = &gdev->dev;
1160         if (!get_device(dev))
1161                 return -ENODEV;
1162
1163         QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1164
1165         card = qeth_alloc_card();
1166         if (!card) {
1167                 put_device(dev);
1168                 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1169                 return -ENOMEM;
1170         }
1171         card->read.ccwdev  = gdev->cdev[0];
1172         card->write.ccwdev = gdev->cdev[1];
1173         card->data.ccwdev  = gdev->cdev[2];
1174         gdev->dev.driver_data = card;
1175         card->gdev = gdev;
1176         gdev->cdev[0]->handler = qeth_irq;
1177         gdev->cdev[1]->handler = qeth_irq;
1178         gdev->cdev[2]->handler = qeth_irq;
1179
1180         if ((rc = qeth_determine_card_type(card))){
1181                 PRINT_WARN("%s: not a valid card type\n", __func__);
1182                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1183                 put_device(dev);
1184                 qeth_free_card(card);
1185                 return rc;
1186         }
1187         if ((rc = qeth_setup_card(card))){
1188                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1189                 put_device(dev);
1190                 qeth_free_card(card);
1191                 return rc;
1192         }
1193         rc = qeth_create_device_attributes(dev);
1194         if (rc) {
1195                 put_device(dev);
1196                 qeth_free_card(card);
1197                 return rc;
1198         }
1199         /* insert into our internal list */
1200         write_lock_irqsave(&qeth_card_list.rwlock, flags);
1201         list_add_tail(&card->list, &qeth_card_list.list);
1202         write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1203         return rc;
1204 }
1205
1206
1207 static int
1208 qeth_get_unitaddr(struct qeth_card *card)
1209 {
1210         int length;
1211         char *prcd;
1212         int rc;
1213
1214         QETH_DBF_TEXT(setup, 2, "getunit");
1215         rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1216         if (rc) {
1217                 PRINT_ERR("read_conf_data for device %s returned %i\n",
1218                           CARD_DDEV_ID(card), rc);
1219                 return rc;
1220         }
1221         card->info.chpid = prcd[30];
1222         card->info.unit_addr2 = prcd[31];
1223         card->info.cula = prcd[63];
1224         card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1225                                (prcd[0x11] == _ascebc['M']));
1226         return 0;
1227 }
1228
1229 static void
1230 qeth_init_tokens(struct qeth_card *card)
1231 {
1232         card->token.issuer_rm_w = 0x00010103UL;
1233         card->token.cm_filter_w = 0x00010108UL;
1234         card->token.cm_connection_w = 0x0001010aUL;
1235         card->token.ulp_filter_w = 0x0001010bUL;
1236         card->token.ulp_connection_w = 0x0001010dUL;
1237 }
1238
1239 static inline __u16
1240 raw_devno_from_bus_id(char *id)
1241 {
1242         id += (strlen(id) - 4);
1243         return (__u16) simple_strtoul(id, &id, 16);
1244 }
1245 /**
1246  * setup channel
1247  */
1248 static void
1249 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1250 {
1251         struct qeth_card *card;
1252
1253         QETH_DBF_TEXT(trace, 4, "setupccw");
1254         card = CARD_FROM_CDEV(channel->ccwdev);
1255         if (channel == &card->read)
1256                 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1257         else
1258                 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1259         channel->ccw.count = len;
1260         channel->ccw.cda = (__u32) __pa(iob);
1261 }
1262
1263 /**
1264  * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1265  */
1266 static struct qeth_cmd_buffer *
1267 __qeth_get_buffer(struct qeth_channel *channel)
1268 {
1269         __u8 index;
1270
1271         QETH_DBF_TEXT(trace, 6, "getbuff");
1272         index = channel->io_buf_no;
1273         do {
1274                 if (channel->iob[index].state == BUF_STATE_FREE) {
1275                         channel->iob[index].state = BUF_STATE_LOCKED;
1276                         channel->io_buf_no = (channel->io_buf_no + 1) %
1277                                 QETH_CMD_BUFFER_NO;
1278                         memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1279                         return channel->iob + index;
1280                 }
1281                 index = (index + 1) % QETH_CMD_BUFFER_NO;
1282         } while(index != channel->io_buf_no);
1283
1284         return NULL;
1285 }
1286
1287 /**
1288  * release command buffer
1289  */
1290 static void
1291 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1292 {
1293         unsigned long flags;
1294
1295         QETH_DBF_TEXT(trace, 6, "relbuff");
1296         spin_lock_irqsave(&channel->iob_lock, flags);
1297         memset(iob->data, 0, QETH_BUFSIZE);
1298         iob->state = BUF_STATE_FREE;
1299         iob->callback = qeth_send_control_data_cb;
1300         iob->rc = 0;
1301         spin_unlock_irqrestore(&channel->iob_lock, flags);
1302 }
1303
1304 static struct qeth_cmd_buffer *
1305 qeth_get_buffer(struct qeth_channel *channel)
1306 {
1307         struct qeth_cmd_buffer *buffer = NULL;
1308         unsigned long flags;
1309
1310         spin_lock_irqsave(&channel->iob_lock, flags);
1311         buffer = __qeth_get_buffer(channel);
1312         spin_unlock_irqrestore(&channel->iob_lock, flags);
1313         return buffer;
1314 }
1315
1316 static struct qeth_cmd_buffer *
1317 qeth_wait_for_buffer(struct qeth_channel *channel)
1318 {
1319         struct qeth_cmd_buffer *buffer;
1320         wait_event(channel->wait_q,
1321                    ((buffer = qeth_get_buffer(channel)) != NULL));
1322         return buffer;
1323 }
1324
1325 static void
1326 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1327 {
1328         int cnt;
1329
1330         for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1331                 qeth_release_buffer(channel,&channel->iob[cnt]);
1332         channel->buf_no = 0;
1333         channel->io_buf_no = 0;
1334 }
1335
1336 /**
1337  * start IDX for read and write channel
1338  */
1339 static int
1340 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1341                               void (*idx_reply_cb)(struct qeth_channel *,
1342                                                    struct qeth_cmd_buffer *))
1343 {
1344         struct qeth_cmd_buffer *iob;
1345         unsigned long flags;
1346         int rc;
1347         struct qeth_card *card;
1348
1349         QETH_DBF_TEXT(setup, 2, "idxanswr");
1350         card = CARD_FROM_CDEV(channel->ccwdev);
1351         iob = qeth_get_buffer(channel);
1352         iob->callback = idx_reply_cb;
1353         memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1354         channel->ccw.count = QETH_BUFSIZE;
1355         channel->ccw.cda = (__u32) __pa(iob->data);
1356
1357         wait_event(card->wait_q,
1358                    atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1359         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1360         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1361         rc = ccw_device_start(channel->ccwdev,
1362                               &channel->ccw,(addr_t) iob, 0, 0);
1363         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1364
1365         if (rc) {
1366                 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1367                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1368                 atomic_set(&channel->irq_pending, 0);
1369                 wake_up(&card->wait_q);
1370                 return rc;
1371         }
1372         rc = wait_event_interruptible_timeout(card->wait_q,
1373                          channel->state == CH_STATE_UP, QETH_TIMEOUT);
1374         if (rc == -ERESTARTSYS)
1375                 return rc;
1376         if (channel->state != CH_STATE_UP){
1377                 rc = -ETIME;
1378                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1379                 qeth_clear_cmd_buffers(channel);
1380         } else
1381                 rc = 0;
1382         return rc;
1383 }
1384
1385 static int
1386 qeth_idx_activate_channel(struct qeth_channel *channel,
1387                            void (*idx_reply_cb)(struct qeth_channel *,
1388                                                 struct qeth_cmd_buffer *))
1389 {
1390         struct qeth_card *card;
1391         struct qeth_cmd_buffer *iob;
1392         unsigned long flags;
1393         __u16 temp;
1394         int rc;
1395
1396         card = CARD_FROM_CDEV(channel->ccwdev);
1397
1398         QETH_DBF_TEXT(setup, 2, "idxactch");
1399
1400         iob = qeth_get_buffer(channel);
1401         iob->callback = idx_reply_cb;
1402         memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1403         channel->ccw.count = IDX_ACTIVATE_SIZE;
1404         channel->ccw.cda = (__u32) __pa(iob->data);
1405         if (channel == &card->write) {
1406                 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1407                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1408                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1409                 card->seqno.trans_hdr++;
1410         } else {
1411                 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1412                 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1413                        &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1414         }
1415         memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1416                &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1417         memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1418                &card->info.func_level,sizeof(__u16));
1419         temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1420         memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1421         temp = (card->info.cula << 8) + card->info.unit_addr2;
1422         memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1423
1424         wait_event(card->wait_q,
1425                    atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1426         QETH_DBF_TEXT(setup, 6, "noirqpnd");
1427         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1428         rc = ccw_device_start(channel->ccwdev,
1429                               &channel->ccw,(addr_t) iob, 0, 0);
1430         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1431
1432         if (rc) {
1433                 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1434                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1435                 atomic_set(&channel->irq_pending, 0);
1436                 wake_up(&card->wait_q);
1437                 return rc;
1438         }
1439         rc = wait_event_interruptible_timeout(card->wait_q,
1440                         channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1441         if (rc == -ERESTARTSYS)
1442                 return rc;
1443         if (channel->state != CH_STATE_ACTIVATING) {
1444                 PRINT_WARN("qeth: IDX activate timed out!\n");
1445                 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1446                 qeth_clear_cmd_buffers(channel);
1447                 return -ETIME;
1448         }
1449         return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1450 }
1451
1452 static int
1453 qeth_peer_func_level(int level)
1454 {
1455         if ((level & 0xff) == 8)
1456                 return (level & 0xff) + 0x400;
1457         if (((level >> 8) & 3) == 1)
1458                 return (level & 0xff) + 0x200;
1459         return level;
1460 }
1461
1462 static void
1463 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1464 {
1465         struct qeth_card *card;
1466         __u16 temp;
1467
1468         QETH_DBF_TEXT(setup ,2, "idxwrcb");
1469
1470         if (channel->state == CH_STATE_DOWN) {
1471                 channel->state = CH_STATE_ACTIVATING;
1472                 goto out;
1473         }
1474         card = CARD_FROM_CDEV(channel->ccwdev);
1475
1476         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1477                 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1478                           "reply\n", CARD_WDEV_ID(card));
1479                 goto out;
1480         }
1481         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1482         if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1483                 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1484                            "function level mismatch "
1485                            "(sent: 0x%x, received: 0x%x)\n",
1486                            CARD_WDEV_ID(card), card->info.func_level, temp);
1487                 goto out;
1488         }
1489         channel->state = CH_STATE_UP;
1490 out:
1491         qeth_release_buffer(channel, iob);
1492 }
1493
1494 static int
1495 qeth_check_idx_response(unsigned char *buffer)
1496 {
1497         if (!buffer)
1498                 return 0;
1499
1500         QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1501         if ((buffer[2] & 0xc0) == 0xc0) {
1502                 PRINT_WARN("received an IDX TERMINATE "
1503                            "with cause code 0x%02x%s\n",
1504                            buffer[4],
1505                            ((buffer[4] == 0x22) ?
1506                             " -- try another portname" : ""));
1507                 QETH_DBF_TEXT(trace, 2, "ckidxres");
1508                 QETH_DBF_TEXT(trace, 2, " idxterm");
1509                 QETH_DBF_TEXT_(trace, 2, "  rc%d", -EIO);
1510                 return -EIO;
1511         }
1512         return 0;
1513 }
1514
1515 static void
1516 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1517 {
1518         struct qeth_card *card;
1519         __u16 temp;
1520
1521         QETH_DBF_TEXT(setup , 2, "idxrdcb");
1522         if (channel->state == CH_STATE_DOWN) {
1523                 channel->state = CH_STATE_ACTIVATING;
1524                 goto out;
1525         }
1526
1527         card = CARD_FROM_CDEV(channel->ccwdev);
1528         if (qeth_check_idx_response(iob->data)) {
1529                         goto out;
1530         }
1531         if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1532                 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1533                           "reply\n", CARD_RDEV_ID(card));
1534                 goto out;
1535         }
1536
1537 /**
1538  * temporary fix for microcode bug
1539  * to revert it,replace OR by AND
1540  */
1541         if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1542              (card->info.type == QETH_CARD_TYPE_OSAE) )
1543                 card->info.portname_required = 1;
1544
1545         memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1546         if (temp != qeth_peer_func_level(card->info.func_level)) {
1547                 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1548                            "level mismatch (sent: 0x%x, received: 0x%x)\n",
1549                            CARD_RDEV_ID(card), card->info.func_level, temp);
1550                 goto out;
1551         }
1552         memcpy(&card->token.issuer_rm_r,
1553                QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1554                QETH_MPC_TOKEN_LENGTH);
1555         memcpy(&card->info.mcl_level[0],
1556                QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1557         channel->state = CH_STATE_UP;
1558 out:
1559         qeth_release_buffer(channel,iob);
1560 }
1561
1562 static int
1563 qeth_issue_next_read(struct qeth_card *card)
1564 {
1565         int rc;
1566         struct qeth_cmd_buffer *iob;
1567
1568         QETH_DBF_TEXT(trace,5,"issnxrd");
1569         if (card->read.state != CH_STATE_UP)
1570                 return -EIO;
1571         iob = qeth_get_buffer(&card->read);
1572         if (!iob) {
1573                 PRINT_WARN("issue_next_read failed: no iob available!\n");
1574                 return -ENOMEM;
1575         }
1576         qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1577         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1578         rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1579                               (addr_t) iob, 0, 0);
1580         if (rc) {
1581                 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1582                 atomic_set(&card->read.irq_pending, 0);
1583                 qeth_schedule_recovery(card);
1584                 wake_up(&card->wait_q);
1585         }
1586         return rc;
1587 }
1588
1589 static struct qeth_reply *
1590 qeth_alloc_reply(struct qeth_card *card)
1591 {
1592         struct qeth_reply *reply;
1593
1594         reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1595         if (reply){
1596                 atomic_set(&reply->refcnt, 1);
1597                 atomic_set(&reply->received, 0);
1598                 reply->card = card;
1599         };
1600         return reply;
1601 }
1602
1603 static void
1604 qeth_get_reply(struct qeth_reply *reply)
1605 {
1606         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1607         atomic_inc(&reply->refcnt);
1608 }
1609
1610 static void
1611 qeth_put_reply(struct qeth_reply *reply)
1612 {
1613         WARN_ON(atomic_read(&reply->refcnt) <= 0);
1614         if (atomic_dec_and_test(&reply->refcnt))
1615                 kfree(reply);
1616 }
1617
1618 static struct qeth_ipa_cmd *
1619 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1620 {
1621         struct qeth_ipa_cmd *cmd = NULL;
1622
1623         QETH_DBF_TEXT(trace,5,"chkipad");
1624         if (IS_IPA(iob->data)){
1625                 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1626                 if (IS_IPA_REPLY(cmd))
1627                         return cmd;
1628                 else {
1629                         switch (cmd->hdr.command) {
1630                         case IPA_CMD_STOPLAN:
1631                                 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1632                                            "there is a network problem or "
1633                                            "someone pulled the cable or "
1634                                            "disabled the port.\n",
1635                                            QETH_CARD_IFNAME(card),
1636                                            card->info.chpid);
1637                                 card->lan_online = 0;
1638                                 if (card->dev && netif_carrier_ok(card->dev))
1639                                         netif_carrier_off(card->dev);
1640                                 return NULL;
1641                         case IPA_CMD_STARTLAN:
1642                                 PRINT_INFO("Link reestablished on %s "
1643                                            "(CHPID 0x%X). Scheduling "
1644                                            "IP address reset.\n",
1645                                            QETH_CARD_IFNAME(card),
1646                                            card->info.chpid);
1647                                 netif_carrier_on(card->dev);
1648                                 qeth_schedule_recovery(card);
1649                                 return NULL;
1650                         case IPA_CMD_MODCCID:
1651                                 return cmd;
1652                         case IPA_CMD_REGISTER_LOCAL_ADDR:
1653                                 QETH_DBF_TEXT(trace,3, "irla");
1654                                 break;
1655                         case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1656                                 QETH_DBF_TEXT(trace,3, "urla");
1657                                 break;
1658                         default:
1659                                 PRINT_WARN("Received data is IPA "
1660                                            "but not a reply!\n");
1661                                 break;
1662                         }
1663                 }
1664         }
1665         return cmd;
1666 }
1667
1668 /**
1669  * wake all waiting ipa commands
1670  */
1671 static void
1672 qeth_clear_ipacmd_list(struct qeth_card *card)
1673 {
1674         struct qeth_reply *reply, *r;
1675         unsigned long flags;
1676
1677         QETH_DBF_TEXT(trace, 4, "clipalst");
1678
1679         spin_lock_irqsave(&card->lock, flags);
1680         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1681                 qeth_get_reply(reply);
1682                 reply->rc = -EIO;
1683                 atomic_inc(&reply->received);
1684                 list_del_init(&reply->list);
1685                 wake_up(&reply->wait_q);
1686                 qeth_put_reply(reply);
1687         }
1688         spin_unlock_irqrestore(&card->lock, flags);
1689 }
1690
1691 static void
1692 qeth_send_control_data_cb(struct qeth_channel *channel,
1693                           struct qeth_cmd_buffer *iob)
1694 {
1695         struct qeth_card *card;
1696         struct qeth_reply *reply, *r;
1697         struct qeth_ipa_cmd *cmd;
1698         unsigned long flags;
1699         int keep_reply;
1700
1701         QETH_DBF_TEXT(trace,4,"sndctlcb");
1702
1703         card = CARD_FROM_CDEV(channel->ccwdev);
1704         if (qeth_check_idx_response(iob->data)) {
1705                 qeth_clear_ipacmd_list(card);
1706                 qeth_schedule_recovery(card);
1707                 goto out;
1708         }
1709
1710         cmd = qeth_check_ipa_data(card, iob);
1711         if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1712                 goto out;
1713         /*in case of OSN : check if cmd is set */
1714         if (card->info.type == QETH_CARD_TYPE_OSN &&
1715             cmd &&
1716             cmd->hdr.command != IPA_CMD_STARTLAN &&
1717             card->osn_info.assist_cb != NULL) {
1718                 card->osn_info.assist_cb(card->dev, cmd);
1719                 goto out;
1720         }
1721
1722         spin_lock_irqsave(&card->lock, flags);
1723         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1724                 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1725                     ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1726                         qeth_get_reply(reply);
1727                         list_del_init(&reply->list);
1728                         spin_unlock_irqrestore(&card->lock, flags);
1729                         keep_reply = 0;
1730                         if (reply->callback != NULL) {
1731                                 if (cmd) {
1732                                         reply->offset = (__u16)((char*)cmd -
1733                                                                 (char *)iob->data);
1734                                         keep_reply = reply->callback(card,
1735                                                         reply,
1736                                                         (unsigned long)cmd);
1737                                 } else
1738                                         keep_reply = reply->callback(card,
1739                                                         reply,
1740                                                         (unsigned long)iob);
1741                         }
1742                         if (cmd)
1743                                 reply->rc = (u16) cmd->hdr.return_code;
1744                         else if (iob->rc)
1745                                 reply->rc = iob->rc;
1746                         if (keep_reply) {
1747                                 spin_lock_irqsave(&card->lock, flags);
1748                                 list_add_tail(&reply->list,
1749                                               &card->cmd_waiter_list);
1750                                 spin_unlock_irqrestore(&card->lock, flags);
1751                         } else {
1752                                 atomic_inc(&reply->received);
1753                                 wake_up(&reply->wait_q);
1754                         }
1755                         qeth_put_reply(reply);
1756                         goto out;
1757                 }
1758         }
1759         spin_unlock_irqrestore(&card->lock, flags);
1760 out:
1761         memcpy(&card->seqno.pdu_hdr_ack,
1762                 QETH_PDU_HEADER_SEQ_NO(iob->data),
1763                 QETH_SEQ_NO_LENGTH);
1764         qeth_release_buffer(channel,iob);
1765 }
1766
1767 static void
1768 qeth_prepare_control_data(struct qeth_card *card, int len,
1769                           struct qeth_cmd_buffer *iob)
1770 {
1771         qeth_setup_ccw(&card->write,iob->data,len);
1772         iob->callback = qeth_release_buffer;
1773
1774         memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1775                &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1776         card->seqno.trans_hdr++;
1777         memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1778                &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1779         card->seqno.pdu_hdr++;
1780         memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1781                &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1782         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1783 }
1784
1785 static int
1786 qeth_send_control_data(struct qeth_card *card, int len,
1787                        struct qeth_cmd_buffer *iob,
1788                        int (*reply_cb)
1789                        (struct qeth_card *, struct qeth_reply*, unsigned long),
1790                        void *reply_param)
1791
1792 {
1793         int rc;
1794         unsigned long flags;
1795         struct qeth_reply *reply = NULL;
1796         unsigned long timeout;
1797
1798         QETH_DBF_TEXT(trace, 2, "sendctl");
1799
1800         reply = qeth_alloc_reply(card);
1801         if (!reply) {
1802                 PRINT_WARN("Could no alloc qeth_reply!\n");
1803                 return -ENOMEM;
1804         }
1805         reply->callback = reply_cb;
1806         reply->param = reply_param;
1807         if (card->state == CARD_STATE_DOWN)
1808                 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1809         else
1810                 reply->seqno = card->seqno.ipa++;
1811         init_waitqueue_head(&reply->wait_q);
1812         spin_lock_irqsave(&card->lock, flags);
1813         list_add_tail(&reply->list, &card->cmd_waiter_list);
1814         spin_unlock_irqrestore(&card->lock, flags);
1815         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1816
1817         while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1818         qeth_prepare_control_data(card, len, iob);
1819
1820         if (IS_IPA(iob->data))
1821                 timeout = jiffies + QETH_IPA_TIMEOUT;
1822         else
1823                 timeout = jiffies + QETH_TIMEOUT;
1824
1825         QETH_DBF_TEXT(trace, 6, "noirqpnd");
1826         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1827         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1828                               (addr_t) iob, 0, 0);
1829         spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1830         if (rc){
1831                 PRINT_WARN("qeth_send_control_data: "
1832                            "ccw_device_start rc = %i\n", rc);
1833                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1834                 spin_lock_irqsave(&card->lock, flags);
1835                 list_del_init(&reply->list);
1836                 qeth_put_reply(reply);
1837                 spin_unlock_irqrestore(&card->lock, flags);
1838                 qeth_release_buffer(iob->channel, iob);
1839                 atomic_set(&card->write.irq_pending, 0);
1840                 wake_up(&card->wait_q);
1841                 return rc;
1842         }
1843         while (!atomic_read(&reply->received)) {
1844                 if (time_after(jiffies, timeout)) {
1845                         spin_lock_irqsave(&reply->card->lock, flags);
1846                         list_del_init(&reply->list);
1847                         spin_unlock_irqrestore(&reply->card->lock, flags);
1848                         reply->rc = -ETIME;
1849                         atomic_inc(&reply->received);
1850                         wake_up(&reply->wait_q);
1851                 }
1852         };
1853         rc = reply->rc;
1854         qeth_put_reply(reply);
1855         return rc;
1856 }
1857
1858 static int
1859 qeth_osn_send_control_data(struct qeth_card *card, int len,
1860                            struct qeth_cmd_buffer *iob)
1861 {
1862         unsigned long flags;
1863         int rc = 0;
1864
1865         QETH_DBF_TEXT(trace, 5, "osndctrd");
1866
1867         wait_event(card->wait_q,
1868                    atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1869         qeth_prepare_control_data(card, len, iob);
1870         QETH_DBF_TEXT(trace, 6, "osnoirqp");
1871         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1872         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1873                               (addr_t) iob, 0, 0);
1874         spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1875         if (rc){
1876                 PRINT_WARN("qeth_osn_send_control_data: "
1877                            "ccw_device_start rc = %i\n", rc);
1878                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1879                 qeth_release_buffer(iob->channel, iob);
1880                 atomic_set(&card->write.irq_pending, 0);
1881                 wake_up(&card->wait_q);
1882         }
1883         return rc;
1884 }
1885
1886 static inline void
1887 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1888                      char prot_type)
1889 {
1890         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1891         memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1892         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1893                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1894 }
1895
1896 static int
1897 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1898                       int data_len)
1899 {
1900         u16 s1, s2;
1901
1902         QETH_DBF_TEXT(trace,4,"osndipa");
1903
1904         qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1905         s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1906         s2 = (u16)data_len;
1907         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1908         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1909         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1910         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1911         return qeth_osn_send_control_data(card, s1, iob);
1912 }
1913
1914 static int
1915 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1916                   int (*reply_cb)
1917                   (struct qeth_card *,struct qeth_reply*, unsigned long),
1918                   void *reply_param)
1919 {
1920         int rc;
1921         char prot_type;
1922
1923         QETH_DBF_TEXT(trace,4,"sendipa");
1924
1925         if (card->options.layer2)
1926                 if (card->info.type == QETH_CARD_TYPE_OSN)
1927                         prot_type = QETH_PROT_OSN2;
1928                 else
1929                         prot_type = QETH_PROT_LAYER2;
1930         else
1931                 prot_type = QETH_PROT_TCPIP;
1932         qeth_prepare_ipa_cmd(card,iob,prot_type);
1933         rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1934                                     reply_cb, reply_param);
1935         return rc;
1936 }
1937
1938
1939 static int
1940 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1941                   unsigned long data)
1942 {
1943         struct qeth_cmd_buffer *iob;
1944
1945         QETH_DBF_TEXT(setup, 2, "cmenblcb");
1946
1947         iob = (struct qeth_cmd_buffer *) data;
1948         memcpy(&card->token.cm_filter_r,
1949                QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
1950                QETH_MPC_TOKEN_LENGTH);
1951         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1952         return 0;
1953 }
1954
1955 static int
1956 qeth_cm_enable(struct qeth_card *card)
1957 {
1958         int rc;
1959         struct qeth_cmd_buffer *iob;
1960
1961         QETH_DBF_TEXT(setup,2,"cmenable");
1962
1963         iob = qeth_wait_for_buffer(&card->write);
1964         memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
1965         memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
1966                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1967         memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
1968                &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
1969
1970         rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
1971                                     qeth_cm_enable_cb, NULL);
1972         return rc;
1973 }
1974
1975 static int
1976 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1977                  unsigned long data)
1978 {
1979
1980         struct qeth_cmd_buffer *iob;
1981
1982         QETH_DBF_TEXT(setup, 2, "cmsetpcb");
1983
1984         iob = (struct qeth_cmd_buffer *) data;
1985         memcpy(&card->token.cm_connection_r,
1986                QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
1987                QETH_MPC_TOKEN_LENGTH);
1988         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
1989         return 0;
1990 }
1991
1992 static int
1993 qeth_cm_setup(struct qeth_card *card)
1994 {
1995         int rc;
1996         struct qeth_cmd_buffer *iob;
1997
1998         QETH_DBF_TEXT(setup,2,"cmsetup");
1999
2000         iob = qeth_wait_for_buffer(&card->write);
2001         memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2002         memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2003                &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2004         memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2005                &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2006         memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2007                &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2008         rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2009                                     qeth_cm_setup_cb, NULL);
2010         return rc;
2011
2012 }
2013
2014 static int
2015 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2016                    unsigned long data)
2017 {
2018
2019         __u16 mtu, framesize;
2020         __u16 len;
2021         __u8 link_type;
2022         struct qeth_cmd_buffer *iob;
2023
2024         QETH_DBF_TEXT(setup, 2, "ulpenacb");
2025
2026         iob = (struct qeth_cmd_buffer *) data;
2027         memcpy(&card->token.ulp_filter_r,
2028                QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2029                QETH_MPC_TOKEN_LENGTH);
2030         if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2031                 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2032                 mtu = qeth_get_mtu_outof_framesize(framesize);
2033                 if (!mtu) {
2034                         iob->rc = -EINVAL;
2035                         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2036                         return 0;
2037                 }
2038                 card->info.max_mtu = mtu;
2039                 card->info.initial_mtu = mtu;
2040                 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2041         } else {
2042                 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2043                 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2044                 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2045         }
2046
2047         memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2048         if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2049                 memcpy(&link_type,
2050                        QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2051                 card->info.link_type = link_type;
2052         } else
2053                 card->info.link_type = 0;
2054         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2055         return 0;
2056 }
2057
2058 static int
2059 qeth_ulp_enable(struct qeth_card *card)
2060 {
2061         int rc;
2062         char prot_type;
2063         struct qeth_cmd_buffer *iob;
2064
2065         /*FIXME: trace view callbacks*/
2066         QETH_DBF_TEXT(setup,2,"ulpenabl");
2067
2068         iob = qeth_wait_for_buffer(&card->write);
2069         memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2070
2071         *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2072                 (__u8) card->info.portno;
2073         if (card->options.layer2)
2074                 if (card->info.type == QETH_CARD_TYPE_OSN)
2075                         prot_type = QETH_PROT_OSN2;
2076                 else
2077                         prot_type = QETH_PROT_LAYER2;
2078         else
2079                 prot_type = QETH_PROT_TCPIP;
2080
2081         memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2082         memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2083                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2084         memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2085                &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2086         memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2087                card->info.portname, 9);
2088         rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2089                                     qeth_ulp_enable_cb, NULL);
2090         return rc;
2091
2092 }
2093
2094 static inline __u16
2095 __raw_devno_from_bus_id(char *id)
2096 {
2097         id += (strlen(id) - 4);
2098         return (__u16) simple_strtoul(id, &id, 16);
2099 }
2100
2101 static int
2102 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2103                   unsigned long data)
2104 {
2105         struct qeth_cmd_buffer *iob;
2106
2107         QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2108
2109         iob = (struct qeth_cmd_buffer *) data;
2110         memcpy(&card->token.ulp_connection_r,
2111                QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2112                QETH_MPC_TOKEN_LENGTH);
2113         QETH_DBF_TEXT_(setup, 2, "  rc%d", iob->rc);
2114         return 0;
2115 }
2116
2117 static int
2118 qeth_ulp_setup(struct qeth_card *card)
2119 {
2120         int rc;
2121         __u16 temp;
2122         struct qeth_cmd_buffer *iob;
2123
2124         QETH_DBF_TEXT(setup,2,"ulpsetup");
2125
2126         iob = qeth_wait_for_buffer(&card->write);
2127         memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2128
2129         memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2130                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2131         memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2132                &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2133         memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2134                &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2135
2136         temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2137         memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2138         temp = (card->info.cula << 8) + card->info.unit_addr2;
2139         memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2140         rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2141                                     qeth_ulp_setup_cb, NULL);
2142         return rc;
2143 }
2144
2145 static inline int
2146 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2147                        unsigned int siga_error, const char *dbftext)
2148 {
2149         if (qdio_error || siga_error) {
2150                 QETH_DBF_TEXT(trace, 2, dbftext);
2151                 QETH_DBF_TEXT(qerr, 2, dbftext);
2152                 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2153                                buf->element[15].flags & 0xff);
2154                 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2155                                buf->element[14].flags & 0xff);
2156                 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2157                 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2158                 return 1;
2159         }
2160         return 0;
2161 }
2162
2163 static struct sk_buff *
2164 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2165 {
2166         struct sk_buff* skb;
2167         int add_len;
2168
2169         add_len = 0;
2170         if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2171                 add_len = sizeof(struct qeth_hdr);
2172 #ifdef CONFIG_QETH_VLAN
2173         else
2174                 add_len = VLAN_HLEN;
2175 #endif
2176         skb = dev_alloc_skb(length + add_len);
2177         if (skb && add_len)
2178                 skb_reserve(skb, add_len);
2179         return skb;
2180 }
2181
2182 static struct sk_buff *
2183 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2184                   struct qdio_buffer_element **__element, int *__offset,
2185                   struct qeth_hdr **hdr)
2186 {
2187         struct qdio_buffer_element *element = *__element;
2188         int offset = *__offset;
2189         struct sk_buff *skb = NULL;
2190         int skb_len;
2191         void *data_ptr;
2192         int data_len;
2193
2194         QETH_DBF_TEXT(trace,6,"nextskb");
2195         /* qeth_hdr must not cross element boundaries */
2196         if (element->length < offset + sizeof(struct qeth_hdr)){
2197                 if (qeth_is_last_sbale(element))
2198                         return NULL;
2199                 element++;
2200                 offset = 0;
2201                 if (element->length < sizeof(struct qeth_hdr))
2202                         return NULL;
2203         }
2204         *hdr = element->addr + offset;
2205
2206         offset += sizeof(struct qeth_hdr);
2207         if (card->options.layer2)
2208                 if (card->info.type == QETH_CARD_TYPE_OSN)
2209                         skb_len = (*hdr)->hdr.osn.pdu_length;
2210                 else
2211                         skb_len = (*hdr)->hdr.l2.pkt_length;
2212         else
2213                 skb_len = (*hdr)->hdr.l3.length;
2214
2215         if (!skb_len)
2216                 return NULL;
2217         if (card->options.fake_ll){
2218                 if(card->dev->type == ARPHRD_IEEE802_TR){
2219                         if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2220                                 goto no_mem;
2221                         skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2222                 } else {
2223                         if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2224                                 goto no_mem;
2225                         skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2226                 }
2227         } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2228                 goto no_mem;
2229         data_ptr = element->addr + offset;
2230         while (skb_len) {
2231                 data_len = min(skb_len, (int)(element->length - offset));
2232                 if (data_len)
2233                         memcpy(skb_put(skb, data_len), data_ptr, data_len);
2234                 skb_len -= data_len;
2235                 if (skb_len){
2236                         if (qeth_is_last_sbale(element)){
2237                                 QETH_DBF_TEXT(trace,4,"unexeob");
2238                                 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2239                                 QETH_DBF_TEXT(qerr,2,"unexeob");
2240                                 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2241                                 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2242                                 dev_kfree_skb_any(skb);
2243                                 card->stats.rx_errors++;
2244                                 return NULL;
2245                         }
2246                         element++;
2247                         offset = 0;
2248                         data_ptr = element->addr;
2249                 } else {
2250                         offset += data_len;
2251                 }
2252         }
2253         *__element = element;
2254         *__offset = offset;
2255         return skb;
2256 no_mem:
2257         if (net_ratelimit()){
2258                 PRINT_WARN("No memory for packet received on %s.\n",
2259                            QETH_CARD_IFNAME(card));
2260                 QETH_DBF_TEXT(trace,2,"noskbmem");
2261                 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2262         }
2263         card->stats.rx_dropped++;
2264         return NULL;
2265 }
2266
2267 static __be16
2268 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2269 {
2270         struct qeth_card *card;
2271         struct ethhdr *eth;
2272
2273         QETH_DBF_TEXT(trace,6,"typtrans");
2274
2275         card = (struct qeth_card *)dev->priv;
2276 #ifdef CONFIG_TR
2277         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2278             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2279                 return tr_type_trans(skb,dev);
2280 #endif /* CONFIG_TR */
2281         skb_reset_mac_header(skb);
2282         skb_pull(skb, ETH_HLEN );
2283         eth = eth_hdr(skb);
2284
2285         if (*eth->h_dest & 1) {
2286                 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2287                         skb->pkt_type = PACKET_BROADCAST;
2288                 else
2289                         skb->pkt_type = PACKET_MULTICAST;
2290         } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2291                 skb->pkt_type = PACKET_OTHERHOST;
2292
2293         if (ntohs(eth->h_proto) >= 1536)
2294                 return eth->h_proto;
2295         if (*(unsigned short *) (skb->data) == 0xFFFF)
2296                 return htons(ETH_P_802_3);
2297         return htons(ETH_P_802_2);
2298 }
2299
2300 static void
2301 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2302                          struct qeth_hdr *hdr)
2303 {
2304         struct trh_hdr *fake_hdr;
2305         struct trllc *fake_llc;
2306         struct iphdr *ip_hdr;
2307
2308         QETH_DBF_TEXT(trace,5,"skbfktr");
2309         skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_TR);
2310         /* this is a fake ethernet header */
2311         fake_hdr = tr_hdr(skb);
2312
2313         /* the destination MAC address */
2314         switch (skb->pkt_type){
2315         case PACKET_MULTICAST:
2316                 switch (skb->protocol){
2317 #ifdef CONFIG_QETH_IPV6
2318                 case __constant_htons(ETH_P_IPV6):
2319                         ndisc_mc_map((struct in6_addr *)
2320                                      skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2321                                      fake_hdr->daddr, card->dev, 0);
2322                         break;
2323 #endif /* CONFIG_QETH_IPV6 */
2324                 case __constant_htons(ETH_P_IP):
2325                         ip_hdr = (struct iphdr *)skb->data;
2326                         ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2327                         break;
2328                 default:
2329                         memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2330                 }
2331                 break;
2332         case PACKET_BROADCAST:
2333                 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2334                 break;
2335         default:
2336                 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2337         }
2338         /* the source MAC address */
2339         if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2340                 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2341         else
2342                 memset(fake_hdr->saddr, 0, TR_ALEN);
2343         fake_hdr->rcf=0;
2344         fake_llc = (struct trllc*)&(fake_hdr->rcf);
2345         fake_llc->dsap = EXTENDED_SAP;
2346         fake_llc->ssap = EXTENDED_SAP;
2347         fake_llc->llc  = UI_CMD;
2348         fake_llc->protid[0] = 0;
2349         fake_llc->protid[1] = 0;
2350         fake_llc->protid[2] = 0;
2351         fake_llc->ethertype = ETH_P_IP;
2352 }
2353
2354 static void
2355 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2356                          struct qeth_hdr *hdr)
2357 {
2358         struct ethhdr *fake_hdr;
2359         struct iphdr *ip_hdr;
2360
2361         QETH_DBF_TEXT(trace,5,"skbfketh");
2362         skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_ETH);
2363         /* this is a fake ethernet header */
2364         fake_hdr = eth_hdr(skb);
2365
2366         /* the destination MAC address */
2367         switch (skb->pkt_type){
2368         case PACKET_MULTICAST:
2369                 switch (skb->protocol){
2370 #ifdef CONFIG_QETH_IPV6
2371                 case __constant_htons(ETH_P_IPV6):
2372                         ndisc_mc_map((struct in6_addr *)
2373                                      skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2374                                      fake_hdr->h_dest, card->dev, 0);
2375                         break;
2376 #endif /* CONFIG_QETH_IPV6 */
2377                 case __constant_htons(ETH_P_IP):
2378                         ip_hdr = (struct iphdr *)skb->data;
2379                         ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2380                         break;
2381                 default:
2382                         memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2383                 }
2384                 break;
2385         case PACKET_BROADCAST:
2386                 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2387                 break;
2388         default:
2389                 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2390         }
2391         /* the source MAC address */
2392         if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2393                 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2394         else
2395                 memset(fake_hdr->h_source, 0, ETH_ALEN);
2396         /* the protocol */
2397         fake_hdr->h_proto = skb->protocol;
2398 }
2399
2400 static inline void
2401 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2402                         struct qeth_hdr *hdr)
2403 {
2404         if (card->dev->type == ARPHRD_IEEE802_TR)
2405                 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2406         else
2407                 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2408 }
2409
2410 static inline void
2411 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2412                         struct qeth_hdr *hdr)
2413 {
2414         skb->pkt_type = PACKET_HOST;
2415         skb->protocol = qeth_type_trans(skb, skb->dev);
2416         if (card->options.checksum_type == NO_CHECKSUMMING)
2417                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2418         else
2419                 skb->ip_summed = CHECKSUM_NONE;
2420         *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2421 }
2422
2423 static __u16
2424 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2425                  struct qeth_hdr *hdr)
2426 {
2427         unsigned short vlan_id = 0;
2428 #ifdef CONFIG_QETH_IPV6
2429         if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2430                 skb->pkt_type = PACKET_HOST;
2431                 skb->protocol = qeth_type_trans(skb, card->dev);
2432                 return 0;
2433         }
2434 #endif /* CONFIG_QETH_IPV6 */
2435         skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2436                               ETH_P_IP);
2437         switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2438         case QETH_CAST_UNICAST:
2439                 skb->pkt_type = PACKET_HOST;
2440                 break;
2441         case QETH_CAST_MULTICAST:
2442                 skb->pkt_type = PACKET_MULTICAST;
2443                 card->stats.multicast++;
2444                 break;
2445         case QETH_CAST_BROADCAST:
2446                 skb->pkt_type = PACKET_BROADCAST;
2447                 card->stats.multicast++;
2448                 break;
2449         case QETH_CAST_ANYCAST:
2450         case QETH_CAST_NOCAST:
2451         default:
2452                 skb->pkt_type = PACKET_HOST;
2453         }
2454
2455         if (hdr->hdr.l3.ext_flags &
2456             (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2457                 vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2458                         hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2459         }
2460
2461         if (card->options.fake_ll)
2462                 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2463         else
2464                 skb_reset_mac_header(skb);
2465         skb->ip_summed = card->options.checksum_type;
2466         if (card->options.checksum_type == HW_CHECKSUMMING){
2467                 if ( (hdr->hdr.l3.ext_flags &
2468                       (QETH_HDR_EXT_CSUM_HDR_REQ |
2469                        QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2470                      (QETH_HDR_EXT_CSUM_HDR_REQ |
2471                       QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2472                         skb->ip_summed = CHECKSUM_UNNECESSARY;
2473                 else
2474                         skb->ip_summed = SW_CHECKSUMMING;
2475         }
2476         return vlan_id;
2477 }
2478
2479 static void
2480 qeth_process_inbound_buffer(struct qeth_card *card,
2481                             struct qeth_qdio_buffer *buf, int index)
2482 {
2483         struct qdio_buffer_element *element;
2484         struct sk_buff *skb;
2485         struct qeth_hdr *hdr;
2486         int offset;
2487         int rxrc;
2488         __u16 vlan_tag = 0;
2489
2490         /* get first element of current buffer */
2491         element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2492         offset = 0;
2493         if (card->options.performance_stats)
2494                 card->perf_stats.bufs_rec++;
2495         while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2496                                        &offset, &hdr))) {
2497                 skb->dev = card->dev;
2498                 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2499                         qeth_layer2_rebuild_skb(card, skb, hdr);
2500                 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2501                         vlan_tag = qeth_rebuild_skb(card, skb, hdr);
2502                 else { /*in case of OSN*/
2503                         skb_push(skb, sizeof(struct qeth_hdr));
2504                         memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2505                 }
2506                 /* is device UP ? */
2507                 if (!(card->dev->flags & IFF_UP)){
2508                         dev_kfree_skb_any(skb);
2509                         continue;
2510                 }
2511                 if (card->info.type == QETH_CARD_TYPE_OSN)
2512                         rxrc = card->osn_info.data_cb(skb);
2513                 else
2514 #ifdef CONFIG_QETH_VLAN
2515                 if (vlan_tag)
2516                         if (card->vlangrp)
2517                                 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2518                         else {
2519                                 dev_kfree_skb_any(skb);
2520                                 continue;
2521                         }
2522                 else
2523 #endif
2524                         rxrc = netif_rx(skb);
2525                 card->dev->last_rx = jiffies;
2526                 card->stats.rx_packets++;
2527                 card->stats.rx_bytes += skb->len;
2528         }
2529 }
2530
2531 static struct qeth_buffer_pool_entry *
2532 qeth_get_buffer_pool_entry(struct qeth_card *card)
2533 {
2534         struct qeth_buffer_pool_entry *entry;
2535
2536         QETH_DBF_TEXT(trace, 6, "gtbfplen");
2537         if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2538                 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2539                                 struct qeth_buffer_pool_entry, list);
2540                 list_del_init(&entry->list);
2541                 return entry;
2542         }
2543         return NULL;
2544 }
2545
2546 static void
2547 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2548 {
2549         struct qeth_buffer_pool_entry *pool_entry;
2550         int i;
2551
2552         pool_entry = qeth_get_buffer_pool_entry(card);
2553         /*
2554          * since the buffer is accessed only from the input_tasklet
2555          * there shouldn't be a need to synchronize; also, since we use
2556          * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run  out off
2557          * buffers
2558          */
2559         BUG_ON(!pool_entry);
2560
2561         buf->pool_entry = pool_entry;
2562         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2563                 buf->buffer->element[i].length = PAGE_SIZE;
2564                 buf->buffer->element[i].addr =  pool_entry->elements[i];
2565                 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2566                         buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2567                 else
2568                         buf->buffer->element[i].flags = 0;
2569         }
2570         buf->state = QETH_QDIO_BUF_EMPTY;
2571 }
2572
2573 static void
2574 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2575                          struct qeth_qdio_out_buffer *buf)
2576 {
2577         int i;
2578         struct sk_buff *skb;
2579
2580         /* is PCI flag set on buffer? */
2581         if (buf->buffer->element[0].flags & 0x40)
2582                 atomic_dec(&queue->set_pci_flags_count);
2583
2584         while ((skb = skb_dequeue(&buf->skb_list))){
2585                 atomic_dec(&skb->users);
2586                 dev_kfree_skb_any(skb);
2587         }
2588         qeth_eddp_buf_release_contexts(buf);
2589         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2590                 buf->buffer->element[i].length = 0;
2591                 buf->buffer->element[i].addr = NULL;
2592                 buf->buffer->element[i].flags = 0;
2593         }
2594         buf->next_element_to_fill = 0;
2595         atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2596 }
2597
2598 static void
2599 qeth_queue_input_buffer(struct qeth_card *card, int index)
2600 {
2601         struct qeth_qdio_q *queue = card->qdio.in_q;
2602         int count;
2603         int i;
2604         int rc;
2605
2606         QETH_DBF_TEXT(trace,6,"queinbuf");
2607         count = (index < queue->next_buf_to_init)?
2608                 card->qdio.in_buf_pool.buf_count -
2609                 (queue->next_buf_to_init - index) :
2610                 card->qdio.in_buf_pool.buf_count -
2611                 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2612         /* only requeue at a certain threshold to avoid SIGAs */
2613         if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2614                 for (i = queue->next_buf_to_init;
2615                      i < queue->next_buf_to_init + count; ++i)
2616                         qeth_init_input_buffer(card,
2617                                 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2618                 /*
2619                  * according to old code it should be avoided to requeue all
2620                  * 128 buffers in order to benefit from PCI avoidance.
2621                  * this function keeps at least one buffer (the buffer at
2622                  * 'index') un-requeued -> this buffer is the first buffer that
2623                  * will be requeued the next time
2624                  */
2625                 if (card->options.performance_stats) {
2626                         card->perf_stats.inbound_do_qdio_cnt++;
2627                         card->perf_stats.inbound_do_qdio_start_time =
2628                                 qeth_get_micros();
2629                 }
2630                 rc = do_QDIO(CARD_DDEV(card),
2631                              QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2632                              0, queue->next_buf_to_init, count, NULL);
2633                 if (card->options.performance_stats)
2634                         card->perf_stats.inbound_do_qdio_time +=
2635                                 qeth_get_micros() -
2636                                 card->perf_stats.inbound_do_qdio_start_time;
2637                 if (rc){
2638                         PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2639                                    "return %i (device %s).\n",
2640                                    rc, CARD_DDEV_ID(card));
2641                         QETH_DBF_TEXT(trace,2,"qinberr");
2642                         QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2643                 }
2644                 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2645                                           QDIO_MAX_BUFFERS_PER_Q;
2646         }
2647 }
2648
2649 static inline void
2650 qeth_put_buffer_pool_entry(struct qeth_card *card,
2651                            struct qeth_buffer_pool_entry *entry)
2652 {
2653         QETH_DBF_TEXT(trace, 6, "ptbfplen");
2654         list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2655 }
2656
2657 static void
2658 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2659                         unsigned int qdio_err, unsigned int siga_err,
2660                         unsigned int queue, int first_element, int count,
2661                         unsigned long card_ptr)
2662 {
2663         struct net_device *net_dev;
2664         struct qeth_card *card;
2665         struct qeth_qdio_buffer *buffer;
2666         int index;
2667         int i;
2668
2669         QETH_DBF_TEXT(trace, 6, "qdinput");
2670         card = (struct qeth_card *) card_ptr;
2671         net_dev = card->dev;
2672         if (card->options.performance_stats) {
2673                 card->perf_stats.inbound_cnt++;
2674                 card->perf_stats.inbound_start_time = qeth_get_micros();
2675         }
2676         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2677                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2678                         QETH_DBF_TEXT(trace, 1,"qdinchk");
2679                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2680                         QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2681                         QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2682                         qeth_schedule_recovery(card);
2683                         return;
2684                 }
2685         }
2686         for (i = first_element; i < (first_element + count); ++i) {
2687                 index = i % QDIO_MAX_BUFFERS_PER_Q;
2688                 buffer = &card->qdio.in_q->bufs[index];
2689                 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2690                       qeth_check_qdio_errors(buffer->buffer,
2691                                              qdio_err, siga_err,"qinerr")))
2692                         qeth_process_inbound_buffer(card, buffer, index);
2693                 /* clear buffer and give back to hardware */
2694                 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2695                 qeth_queue_input_buffer(card, index);
2696         }
2697         if (card->options.performance_stats)
2698                 card->perf_stats.inbound_time += qeth_get_micros() -
2699                         card->perf_stats.inbound_start_time;
2700 }
2701
2702 static int
2703 qeth_handle_send_error(struct qeth_card *card,
2704                        struct qeth_qdio_out_buffer *buffer,
2705                        unsigned int qdio_err, unsigned int siga_err)
2706 {
2707         int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2708         int cc = siga_err & 3;
2709
2710         QETH_DBF_TEXT(trace, 6, "hdsnderr");
2711         qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2712         switch (cc) {
2713         case 0:
2714                 if (qdio_err){
2715                         QETH_DBF_TEXT(trace, 1,"lnkfail");
2716                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2717                         QETH_DBF_TEXT_(trace,1,"%04x %02x",
2718                                        (u16)qdio_err, (u8)sbalf15);
2719                         return QETH_SEND_ERROR_LINK_FAILURE;
2720                 }
2721                 return QETH_SEND_ERROR_NONE;
2722         case 2:
2723                 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2724                         QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2725                         QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2726                         return QETH_SEND_ERROR_KICK_IT;
2727                 }
2728                 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2729                         return QETH_SEND_ERROR_RETRY;
2730                 return QETH_SEND_ERROR_LINK_FAILURE;
2731                 /* look at qdio_error and sbalf 15 */
2732         case 1:
2733                 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2734                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2735                 return QETH_SEND_ERROR_LINK_FAILURE;
2736         case 3:
2737         default:
2738                 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2739                 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2740                 return QETH_SEND_ERROR_KICK_IT;
2741         }
2742 }
2743
2744 void
2745 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2746                    int index, int count)
2747 {
2748         struct qeth_qdio_out_buffer *buf;
2749         int rc;
2750         int i;
2751
2752         QETH_DBF_TEXT(trace, 6, "flushbuf");
2753
2754         for (i = index; i < index + count; ++i) {
2755                 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2756                 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2757                                 SBAL_FLAGS_LAST_ENTRY;
2758
2759                 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2760                         continue;
2761
2762                 if (!queue->do_pack){
2763                         if ((atomic_read(&queue->used_buffers) >=
2764                                 (QETH_HIGH_WATERMARK_PACK -
2765                                  QETH_WATERMARK_PACK_FUZZ)) &&
2766                             !atomic_read(&queue->set_pci_flags_count)){
2767                                 /* it's likely that we'll go to packing
2768                                  * mode soon */
2769                                 atomic_inc(&queue->set_pci_flags_count);
2770                                 buf->buffer->element[0].flags |= 0x40;
2771                         }
2772                 } else {
2773                         if (!atomic_read(&queue->set_pci_flags_count)){
2774                                 /*
2775                                  * there's no outstanding PCI any more, so we
2776                                  * have to request a PCI to be sure the the PCI
2777                                  * will wake at some time in the future then we
2778                                  * can flush packed buffers that might still be
2779                                  * hanging around, which can happen if no
2780                                  * further send was requested by the stack
2781                                  */
2782                                 atomic_inc(&queue->set_pci_flags_count);
2783                                 buf->buffer->element[0].flags |= 0x40;
2784                         }
2785                 }
2786         }
2787
2788         queue->card->dev->trans_start = jiffies;
2789         if (queue->card->options.performance_stats) {
2790                 queue->card->perf_stats.outbound_do_qdio_cnt++;
2791                 queue->card->perf_stats.outbound_do_qdio_start_time =
2792                         qeth_get_micros();
2793         }
2794         if (under_int)
2795                 rc = do_QDIO(CARD_DDEV(queue->card),
2796                              QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2797                              queue->queue_no, index, count, NULL);
2798         else
2799                 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2800                              queue->queue_no, index, count, NULL);
2801         if (queue->card->options.performance_stats)
2802                 queue->card->perf_stats.outbound_do_qdio_time +=
2803                         qeth_get_micros() -
2804                         queue->card->perf_stats.outbound_do_qdio_start_time;
2805         if (rc){
2806                 QETH_DBF_TEXT(trace, 2, "flushbuf");
2807                 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2808                 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2809                 queue->card->stats.tx_errors += count;
2810                 /* this must not happen under normal circumstances. if it
2811                  * happens something is really wrong -> recover */
2812                 qeth_schedule_recovery(queue->card);
2813                 return;
2814         }
2815         atomic_add(count, &queue->used_buffers);
2816         if (queue->card->options.performance_stats)
2817                 queue->card->perf_stats.bufs_sent += count;
2818 }
2819
2820 /*
2821  * Switched to packing state if the number of used buffers on a queue
2822  * reaches a certain limit.
2823  */
2824 static void
2825 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2826 {
2827         if (!queue->do_pack) {
2828                 if (atomic_read(&queue->used_buffers)
2829                     >= QETH_HIGH_WATERMARK_PACK){
2830                         /* switch non-PACKING -> PACKING */
2831                         QETH_DBF_TEXT(trace, 6, "np->pack");
2832                         if (queue->card->options.performance_stats)
2833                                 queue->card->perf_stats.sc_dp_p++;
2834                         queue->do_pack = 1;
2835                 }
2836         }
2837 }
2838
2839 /*
2840  * Switches from packing to non-packing mode. If there is a packing
2841  * buffer on the queue this buffer will be prepared to be flushed.
2842  * In that case 1 is returned to inform the caller. If no buffer
2843  * has to be flushed, zero is returned.
2844  */
2845 static int
2846 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2847 {
2848         struct qeth_qdio_out_buffer *buffer;
2849         int flush_count = 0;
2850
2851         if (queue->do_pack) {
2852                 if (atomic_read(&queue->used_buffers)
2853                     <= QETH_LOW_WATERMARK_PACK) {
2854                         /* switch PACKING -> non-PACKING */
2855                         QETH_DBF_TEXT(trace, 6, "pack->np");
2856                         if (queue->card->options.performance_stats)
2857                                 queue->card->perf_stats.sc_p_dp++;
2858                         queue->do_pack = 0;
2859                         /* flush packing buffers */
2860                         buffer = &queue->bufs[queue->next_buf_to_fill];
2861                         if ((atomic_read(&buffer->state) ==
2862                                                 QETH_QDIO_BUF_EMPTY) &&
2863                             (buffer->next_element_to_fill > 0)) {
2864                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2865                                 flush_count++;
2866                                 queue->next_buf_to_fill =
2867                                         (queue->next_buf_to_fill + 1) %
2868                                         QDIO_MAX_BUFFERS_PER_Q;
2869                         }
2870                 }
2871         }
2872         return flush_count;
2873 }
2874
2875 /*
2876  * Called to flush a packing buffer if no more pci flags are on the queue.
2877  * Checks if there is a packing buffer and prepares it to be flushed.
2878  * In that case returns 1, otherwise zero.
2879  */
2880 static int
2881 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2882 {
2883         struct qeth_qdio_out_buffer *buffer;
2884
2885         buffer = &queue->bufs[queue->next_buf_to_fill];
2886         if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2887            (buffer->next_element_to_fill > 0)){
2888                 /* it's a packing buffer */
2889                 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2890                 queue->next_buf_to_fill =
2891                         (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2892                 return 1;
2893         }
2894         return 0;
2895 }
2896
2897 static void
2898 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2899 {
2900         int index;
2901         int flush_cnt = 0;
2902         int q_was_packing = 0;
2903
2904         /*
2905          * check if weed have to switch to non-packing mode or if
2906          * we have to get a pci flag out on the queue
2907          */
2908         if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2909             !atomic_read(&queue->set_pci_flags_count)){
2910                 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2911                                 QETH_OUT_Q_UNLOCKED) {
2912                         /*
2913                          * If we get in here, there was no action in
2914                          * do_send_packet. So, we check if there is a
2915                          * packing buffer to be flushed here.
2916                          */
2917                         netif_stop_queue(queue->card->dev);
2918                         index = queue->next_buf_to_fill;
2919                         q_was_packing = queue->do_pack;
2920                         flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
2921                         if (!flush_cnt &&
2922                             !atomic_read(&queue->set_pci_flags_count))
2923                                 flush_cnt +=
2924                                         qeth_flush_buffers_on_no_pci(queue);
2925                         if (queue->card->options.performance_stats &&
2926                             q_was_packing)
2927                                 queue->card->perf_stats.bufs_sent_pack +=
2928                                         flush_cnt;
2929                         if (flush_cnt)
2930                                 qeth_flush_buffers(queue, 1, index, flush_cnt);
2931                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
2932                 }
2933         }
2934 }
2935
2936 static void
2937 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
2938                         unsigned int qdio_error, unsigned int siga_error,
2939                         unsigned int __queue, int first_element, int count,
2940                         unsigned long card_ptr)
2941 {
2942         struct qeth_card *card        = (struct qeth_card *) card_ptr;
2943         struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
2944         struct qeth_qdio_out_buffer *buffer;
2945         int i;
2946
2947         QETH_DBF_TEXT(trace, 6, "qdouhdl");
2948         if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2949                 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2950                         QETH_DBF_TEXT(trace, 2, "achkcond");
2951                         QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
2952                         QETH_DBF_TEXT_(trace, 2, "%08x", status);
2953                         netif_stop_queue(card->dev);
2954                         qeth_schedule_recovery(card);
2955                         return;
2956                 }
2957         }
2958         if (card->options.performance_stats) {
2959                 card->perf_stats.outbound_handler_cnt++;
2960                 card->perf_stats.outbound_handler_start_time =
2961                         qeth_get_micros();
2962         }
2963         for(i = first_element; i < (first_element + count); ++i){
2964                 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2965                 /*we only handle the KICK_IT error by doing a recovery */
2966                 if (qeth_handle_send_error(card, buffer,
2967                                            qdio_error, siga_error)
2968                                 == QETH_SEND_ERROR_KICK_IT){
2969                         netif_stop_queue(card->dev);
2970                         qeth_schedule_recovery(card);
2971                         return;
2972                 }
2973                 qeth_clear_output_buffer(queue, buffer);
2974         }
2975         atomic_sub(count, &queue->used_buffers);
2976         /* check if we need to do something on this outbound queue */
2977         if (card->info.type != QETH_CARD_TYPE_IQD)
2978                 qeth_check_outbound_queue(queue);
2979
2980         netif_wake_queue(queue->card->dev);
2981         if (card->options.performance_stats)
2982                 card->perf_stats.outbound_handler_time += qeth_get_micros() -
2983                         card->perf_stats.outbound_handler_start_time;
2984 }
2985
2986 static void
2987 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
2988 {
2989
2990         param_field[0] = _ascebc['P'];
2991         param_field[1] = _ascebc['C'];
2992         param_field[2] = _ascebc['I'];
2993         param_field[3] = _ascebc['T'];
2994         *((unsigned int *) (&param_field[4])) = QETH_PCI_THRESHOLD_A(card);
2995         *((unsigned int *) (&param_field[8])) = QETH_PCI_THRESHOLD_B(card);
2996         *((unsigned int *) (&param_field[12])) = QETH_PCI_TIMER_VALUE(card);
2997 }
2998
2999 static void
3000 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3001 {
3002         param_field[16] = _ascebc['B'];
3003         param_field[17] = _ascebc['L'];
3004         param_field[18] = _ascebc['K'];
3005         param_field[19] = _ascebc['T'];
3006         *((unsigned int *) (&param_field[20])) = card->info.blkt.time_total;
3007         *((unsigned int *) (&param_field[24])) = card->info.blkt.inter_packet;
3008         *((unsigned int *) (&param_field[28])) = card->info.blkt.inter_packet_jumbo;
3009 }
3010
3011 static void
3012 qeth_initialize_working_pool_list(struct qeth_card *card)
3013 {
3014         struct qeth_buffer_pool_entry *entry;
3015
3016         QETH_DBF_TEXT(trace,5,"inwrklst");
3017
3018         list_for_each_entry(entry,
3019                             &card->qdio.init_pool.entry_list, init_list) {
3020                 qeth_put_buffer_pool_entry(card,entry);
3021         }
3022 }
3023
3024 static void
3025 qeth_clear_working_pool_list(struct qeth_card *card)
3026 {
3027         struct qeth_buffer_pool_entry *pool_entry, *tmp;
3028
3029         QETH_DBF_TEXT(trace,5,"clwrklst");
3030         list_for_each_entry_safe(pool_entry, tmp,
3031                             &card->qdio.in_buf_pool.entry_list, list){
3032                         list_del(&pool_entry->list);
3033         }
3034 }
3035
3036 static void
3037 qeth_free_buffer_pool(struct qeth_card *card)
3038 {
3039         struct qeth_buffer_pool_entry *pool_entry, *tmp;
3040         int i=0;
3041         QETH_DBF_TEXT(trace,5,"freepool");
3042         list_for_each_entry_safe(pool_entry, tmp,
3043                                  &card->qdio.init_pool.entry_list, init_list){
3044                 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3045                         free_page((unsigned long)pool_entry->elements[i]);
3046                 list_del(&pool_entry->init_list);
3047                 kfree(pool_entry);
3048         }
3049 }
3050
3051 static int
3052 qeth_alloc_buffer_pool(struct qeth_card *card)
3053 {
3054         struct qeth_buffer_pool_entry *pool_entry;
3055         void *ptr;
3056         int i, j;
3057
3058         QETH_DBF_TEXT(trace,5,"alocpool");
3059         for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3060                 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3061                 if (!pool_entry){
3062                         qeth_free_buffer_pool(card);
3063                         return -ENOMEM;
3064                 }
3065                 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3066                         ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3067                         if (!ptr) {
3068                                 while (j > 0)
3069                                         free_page((unsigned long)
3070                                                   pool_entry->elements[--j]);
3071                                 kfree(pool_entry);
3072                                 qeth_free_buffer_pool(card);
3073                                 return -ENOMEM;
3074                         }
3075                         pool_entry->elements[j] = ptr;
3076                 }
3077                 list_add(&pool_entry->init_list,
3078                          &card->qdio.init_pool.entry_list);
3079         }
3080         return 0;
3081 }
3082
3083 int
3084 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3085 {
3086         QETH_DBF_TEXT(trace, 2, "realcbp");
3087
3088         if ((card->state != CARD_STATE_DOWN) &&
3089             (card->state != CARD_STATE_RECOVER))
3090                 return -EPERM;
3091
3092         /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3093         qeth_clear_working_pool_list(card);
3094         qeth_free_buffer_pool(card);
3095         card->qdio.in_buf_pool.buf_count = bufcnt;
3096         card->qdio.init_pool.buf_count = bufcnt;
3097         return qeth_alloc_buffer_pool(card);
3098 }
3099
3100 static int
3101 qeth_alloc_qdio_buffers(struct qeth_card *card)
3102 {
3103         int i, j;
3104
3105         QETH_DBF_TEXT(setup, 2, "allcqdbf");
3106
3107         if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
3108                 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
3109                 return 0;
3110
3111         card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3112                                   GFP_KERNEL|GFP_DMA);
3113         if (!card->qdio.in_q)
3114                 goto out_nomem;
3115         QETH_DBF_TEXT(setup, 2, "inq");
3116         QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3117         memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3118         /* give inbound qeth_qdio_buffers their qdio_buffers */
3119         for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3120                 card->qdio.in_q->bufs[i].buffer =
3121                         &card->qdio.in_q->qdio_bufs[i];
3122         /* inbound buffer pool */
3123         if (qeth_alloc_buffer_pool(card))
3124                 goto out_freeinq;
3125         /* outbound */
3126         card->qdio.out_qs =
3127                 kmalloc(card->qdio.no_out_queues *
3128                         sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3129         if (!card->qdio.out_qs)
3130                 goto out_freepool;
3131         for (i = 0; i < card->qdio.no_out_queues; ++i) {
3132                 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3133                                                GFP_KERNEL|GFP_DMA);
3134                 if (!card->qdio.out_qs[i])
3135                         goto out_freeoutq;
3136                 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3137                 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3138                 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3139                 card->qdio.out_qs[i]->queue_no = i;
3140                 /* give outbound qeth_qdio_buffers their qdio_buffers */
3141                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3142                         card->qdio.out_qs[i]->bufs[j].buffer =
3143                                 &card->qdio.out_qs[i]->qdio_bufs[j];
3144                         skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3145                                             skb_list);
3146                         lockdep_set_class(
3147                                 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3148                                 &qdio_out_skb_queue_key);
3149                         INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3150                 }
3151         }
3152         return 0;
3153
3154 out_freeoutq:
3155         while (i > 0)
3156                 kfree(card->qdio.out_qs[--i]);
3157         kfree(card->qdio.out_qs);
3158 out_freepool:
3159         qeth_free_buffer_pool(card);
3160 out_freeinq:
3161         kfree(card->qdio.in_q);
3162 out_nomem:
3163         atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3164         return -ENOMEM;
3165 }
3166
3167 static void
3168 qeth_free_qdio_buffers(struct qeth_card *card)
3169 {
3170         int i, j;
3171
3172         QETH_DBF_TEXT(trace, 2, "freeqdbf");
3173         if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
3174                 QETH_QDIO_UNINITIALIZED)
3175                 return;
3176         kfree(card->qdio.in_q);
3177         /* inbound buffer pool */
3178         qeth_free_buffer_pool(card);
3179         /* free outbound qdio_qs */
3180         for (i = 0; i < card->qdio.no_out_queues; ++i){
3181                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3182                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3183                                         &card->qdio.out_qs[i]->bufs[j]);
3184                 kfree(card->qdio.out_qs[i]);
3185         }
3186         kfree(card->qdio.out_qs);
3187 }
3188
3189 static void
3190 qeth_clear_qdio_buffers(struct qeth_card *card)
3191 {
3192         int i, j;
3193
3194         QETH_DBF_TEXT(trace, 2, "clearqdbf");
3195         /* clear outbound buffers to free skbs */
3196         for (i = 0; i < card->qdio.no_out_queues; ++i)
3197                 if (card->qdio.out_qs[i]){
3198                         for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3199                                 qeth_clear_output_buffer(card->qdio.out_qs[i],
3200                                                 &card->qdio.out_qs[i]->bufs[j]);
3201                 }
3202 }
3203
3204 static void
3205 qeth_init_qdio_info(struct qeth_card *card)
3206 {
3207         QETH_DBF_TEXT(setup, 4, "intqdinf");
3208         atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3209         /* inbound */
3210         card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3211         card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3212         card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3213         INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3214         INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3215 }
3216
3217 static int
3218 qeth_init_qdio_queues(struct qeth_card *card)
3219 {
3220         int i, j;
3221         int rc;
3222
3223         QETH_DBF_TEXT(setup, 2, "initqdqs");
3224
3225         /* inbound queue */
3226         memset(card->qdio.in_q->qdio_bufs, 0,
3227                QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3228         qeth_initialize_working_pool_list(card);
3229         /*give only as many buffers to hardware as we have buffer pool entries*/
3230         for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3231                 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3232         card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3233         rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3234                      card->qdio.in_buf_pool.buf_count - 1, NULL);
3235         if (rc) {
3236                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3237                 return rc;
3238         }
3239         rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3240         if (rc) {
3241                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3242                 return rc;
3243         }
3244         /* outbound queue */
3245         for (i = 0; i < card->qdio.no_out_queues; ++i){
3246                 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3247                        QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3248                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3249                         qeth_clear_output_buffer(card->qdio.out_qs[i],
3250                                         &card->qdio.out_qs[i]->bufs[j]);
3251                 }
3252                 card->qdio.out_qs[i]->card = card;
3253                 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3254                 card->qdio.out_qs[i]->do_pack = 0;
3255                 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3256                 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3257                 atomic_set(&card->qdio.out_qs[i]->state,
3258                            QETH_OUT_Q_UNLOCKED);
3259         }
3260         return 0;
3261 }
3262
3263 static int
3264 qeth_qdio_establish(struct qeth_card *card)
3265 {
3266         struct qdio_initialize init_data;
3267         char *qib_param_field;
3268         struct qdio_buffer **in_sbal_ptrs;
3269         struct qdio_buffer **out_sbal_ptrs;
3270         int i, j, k;
3271         int rc = 0;
3272
3273         QETH_DBF_TEXT(setup, 2, "qdioest");
3274
3275         qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3276                               GFP_KERNEL);
3277         if (!qib_param_field)
3278                 return -ENOMEM;
3279
3280         qeth_create_qib_param_field(card, qib_param_field);
3281         qeth_create_qib_param_field_blkt(card, qib_param_field);
3282
3283         in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3284                                GFP_KERNEL);
3285         if (!in_sbal_ptrs) {
3286                 kfree(qib_param_field);
3287                 return -ENOMEM;
3288         }
3289         for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3290                 in_sbal_ptrs[i] = (struct qdio_buffer *)
3291                         virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3292
3293         out_sbal_ptrs =
3294                 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3295                         sizeof(void *), GFP_KERNEL);
3296         if (!out_sbal_ptrs) {
3297                 kfree(in_sbal_ptrs);
3298                 kfree(qib_param_field);
3299                 return -ENOMEM;
3300         }
3301         for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3302                 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3303                         out_sbal_ptrs[k] = (struct qdio_buffer *)
3304                                 virt_to_phys(card->qdio.out_qs[i]->
3305                                              bufs[j].buffer);
3306                 }
3307
3308         memset(&init_data, 0, sizeof(struct qdio_initialize));
3309         init_data.cdev                   = CARD_DDEV(card);
3310         init_data.q_format               = qeth_get_qdio_q_format(card);
3311         init_data.qib_param_field_format = 0;
3312         init_data.qib_param_field        = qib_param_field;
3313         init_data.min_input_threshold    = QETH_MIN_INPUT_THRESHOLD;
3314         init_data.max_input_threshold    = QETH_MAX_INPUT_THRESHOLD;
3315         init_data.min_output_threshold   = QETH_MIN_OUTPUT_THRESHOLD;
3316         init_data.max_output_threshold   = QETH_MAX_OUTPUT_THRESHOLD;
3317         init_data.no_input_qs            = 1;
3318         init_data.no_output_qs           = card->qdio.no_out_queues;
3319         init_data.input_handler          = (qdio_handler_t *)
3320                                            qeth_qdio_input_handler;
3321         init_data.output_handler         = (qdio_handler_t *)
3322                                            qeth_qdio_output_handler;
3323         init_data.int_parm               = (unsigned long) card;
3324         init_data.flags                  = QDIO_INBOUND_0COPY_SBALS |
3325                                            QDIO_OUTBOUND_0COPY_SBALS |
3326                                            QDIO_USE_OUTBOUND_PCIS;
3327         init_data.input_sbal_addr_array  = (void **) in_sbal_ptrs;
3328         init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3329
3330         if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
3331                 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED)
3332                 if ((rc = qdio_initialize(&init_data)))
3333                         atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3334
3335         kfree(out_sbal_ptrs);
3336         kfree(in_sbal_ptrs);
3337         kfree(qib_param_field);
3338         return rc;
3339 }
3340
3341 static int
3342 qeth_qdio_activate(struct qeth_card *card)
3343 {
3344         QETH_DBF_TEXT(setup,3,"qdioact");
3345         return qdio_activate(CARD_DDEV(card), 0);
3346 }
3347
3348 static int
3349 qeth_clear_channel(struct qeth_channel *channel)
3350 {
3351         unsigned long flags;
3352         struct qeth_card *card;
3353         int rc;
3354
3355         QETH_DBF_TEXT(trace,3,"clearch");
3356         card = CARD_FROM_CDEV(channel->ccwdev);
3357         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3358         rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3359         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3360
3361         if (rc)
3362                 return rc;
3363         rc = wait_event_interruptible_timeout(card->wait_q,
3364                         channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3365         if (rc == -ERESTARTSYS)
3366                 return rc;
3367         if (channel->state != CH_STATE_STOPPED)
3368                 return -ETIME;
3369         channel->state = CH_STATE_DOWN;
3370         return 0;
3371 }
3372
3373 static int
3374 qeth_halt_channel(struct qeth_channel *channel)
3375 {
3376         unsigned long flags;
3377         struct qeth_card *card;
3378         int rc;
3379
3380         QETH_DBF_TEXT(trace,3,"haltch");
3381         card = CARD_FROM_CDEV(channel->ccwdev);
3382         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3383         rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3384         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3385
3386         if (rc)
3387                 return rc;
3388         rc = wait_event_interruptible_timeout(card->wait_q,
3389                         channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3390         if (rc == -ERESTARTSYS)
3391                 return rc;
3392         if (channel->state != CH_STATE_HALTED)
3393                 return -ETIME;
3394         return 0;
3395 }
3396
3397 static int
3398 qeth_halt_channels(struct qeth_card *card)
3399 {
3400         int rc1 = 0, rc2=0, rc3 = 0;
3401
3402         QETH_DBF_TEXT(trace,3,"haltchs");
3403         rc1 = qeth_halt_channel(&card->read);
3404         rc2 = qeth_halt_channel(&card->write);
3405         rc3 = qeth_halt_channel(&card->data);
3406         if (rc1)
3407                 return rc1;
3408         if (rc2)
3409                 return rc2;
3410         return rc3;
3411 }
3412 static int
3413 qeth_clear_channels(struct qeth_card *card)
3414 {
3415         int rc1 = 0, rc2=0, rc3 = 0;
3416
3417         QETH_DBF_TEXT(trace,3,"clearchs");
3418         rc1 = qeth_clear_channel(&card->read);
3419         rc2 = qeth_clear_channel(&card->write);
3420         rc3 = qeth_clear_channel(&card->data);
3421         if (rc1)
3422                 return rc1;
3423         if (rc2)
3424                 return rc2;
3425         return rc3;
3426 }
3427
3428 static int
3429 qeth_clear_halt_card(struct qeth_card *card, int halt)
3430 {
3431         int rc = 0;
3432
3433         QETH_DBF_TEXT(trace,3,"clhacrd");
3434         QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3435
3436         if (halt)
3437                 rc = qeth_halt_channels(card);
3438         if (rc)
3439                 return rc;
3440         return qeth_clear_channels(card);
3441 }
3442
3443 static int
3444 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3445 {
3446         int rc = 0;
3447
3448         QETH_DBF_TEXT(trace,3,"qdioclr");
3449         switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
3450                 QETH_QDIO_CLEANING)) {
3451         case QETH_QDIO_ESTABLISHED:
3452                 if ((rc = qdio_cleanup(CARD_DDEV(card),
3453                                 (card->info.type == QETH_CARD_TYPE_IQD) ?
3454                                 QDIO_FLAG_CLEANUP_USING_HALT :
3455                                 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3456                         QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3457                 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3458                 break;
3459         case QETH_QDIO_CLEANING:
3460                 return rc;
3461         default:
3462                 break;
3463         }
3464         if ((rc = qeth_clear_halt_card(card, use_halt)))
3465                 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3466         card->state = CARD_STATE_DOWN;
3467         return rc;
3468 }
3469
3470 static int
3471 qeth_dm_act(struct qeth_card *card)
3472 {
3473         int rc;
3474         struct qeth_cmd_buffer *iob;
3475
3476         QETH_DBF_TEXT(setup,2,"dmact");
3477
3478         iob = qeth_wait_for_buffer(&card->write);
3479         memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3480
3481         memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3482                &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3483         memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3484                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3485         rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3486         return rc;
3487 }
3488
3489 static int
3490 qeth_mpc_initialize(struct qeth_card *card)
3491 {
3492         int rc;
3493
3494         QETH_DBF_TEXT(setup,2,"mpcinit");
3495
3496         if ((rc = qeth_issue_next_read(card))){
3497                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3498                 return rc;
3499         }
3500         if ((rc = qeth_cm_enable(card))){
3501                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3502                 goto out_qdio;
3503         }
3504         if ((rc = qeth_cm_setup(card))){
3505                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3506                 goto out_qdio;
3507         }
3508         if ((rc = qeth_ulp_enable(card))){
3509                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3510                 goto out_qdio;
3511         }
3512         if ((rc = qeth_ulp_setup(card))){
3513                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3514                 goto out_qdio;
3515         }
3516         if ((rc = qeth_alloc_qdio_buffers(card))){
3517                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3518                 goto out_qdio;
3519         }
3520         if ((rc = qeth_qdio_establish(card))){
3521                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3522                 qeth_free_qdio_buffers(card);
3523                 goto out_qdio;
3524         }
3525         if ((rc = qeth_qdio_activate(card))){
3526                 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3527                 goto out_qdio;
3528         }
3529         if ((rc = qeth_dm_act(card))){
3530                 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3531                 goto out_qdio;
3532         }
3533
3534         return 0;
3535 out_qdio:
3536         qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3537         return rc;
3538 }
3539
3540 static struct net_device *
3541 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3542 {
3543         struct net_device *dev = NULL;
3544
3545         switch (type) {
3546         case QETH_CARD_TYPE_OSAE:
3547                 switch (linktype) {
3548                 case QETH_LINK_TYPE_LANE_TR:
3549                 case QETH_LINK_TYPE_HSTR:
3550 #ifdef CONFIG_TR
3551                         dev = alloc_trdev(0);
3552 #endif /* CONFIG_TR */
3553                         break;
3554                 default:
3555                         dev = alloc_etherdev(0);
3556                 }
3557                 break;
3558         case QETH_CARD_TYPE_IQD:
3559                 dev = alloc_netdev(0, "hsi%d", ether_setup);
3560                 break;
3561         case QETH_CARD_TYPE_OSN:
3562                 dev = alloc_netdev(0, "osn%d", ether_setup);
3563                 break;
3564         default:
3565                 dev = alloc_etherdev(0);
3566         }
3567         return dev;
3568 }
3569
3570 /*hard_header fake function; used in case fake_ll is set */
3571 static int
3572 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3573                      unsigned short type, void *daddr, void *saddr,
3574                      unsigned len)
3575 {
3576         if(dev->type == ARPHRD_IEEE802_TR){
3577                 struct trh_hdr *hdr;
3578                 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3579                 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3580                 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3581                 return QETH_FAKE_LL_LEN_TR;
3582
3583         } else {
3584                 struct ethhdr *hdr;
3585                 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3586                 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3587                 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3588                 if (type != ETH_P_802_3)
3589                         hdr->h_proto = htons(type);
3590                 else
3591                         hdr->h_proto = htons(len);
3592                 return QETH_FAKE_LL_LEN_ETH;
3593
3594         }
3595 }
3596
3597 static int
3598 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3599
3600 static int
3601 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3602 {
3603         int rc;
3604         struct qeth_card *card;
3605
3606         QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3607         card = (struct qeth_card *)dev->priv;
3608         if (skb==NULL) {
3609                 card->stats.tx_dropped++;
3610                 card->stats.tx_errors++;
3611                 /* return OK; otherwise ksoftirqd goes to 100% */
3612                 return NETDEV_TX_OK;
3613         }
3614         if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3615                 card->stats.tx_dropped++;
3616                 card->stats.tx_errors++;
3617                 card->stats.tx_carrier_errors++;
3618                 dev_kfree_skb_any(skb);
3619                 /* return OK; otherwise ksoftirqd goes to 100% */
3620                 return NETDEV_TX_OK;
3621         }
3622         if (card->options.performance_stats) {
3623                 card->perf_stats.outbound_cnt++;
3624                 card->perf_stats.outbound_start_time = qeth_get_micros();
3625         }
3626         netif_stop_queue(dev);
3627         if ((rc = qeth_send_packet(card, skb))) {
3628                 if (rc == -EBUSY) {
3629                         return NETDEV_TX_BUSY;
3630                 } else {
3631                         card->stats.tx_errors++;
3632                         card->stats.tx_dropped++;
3633                         dev_kfree_skb_any(skb);
3634                         /*set to OK; otherwise ksoftirqd goes to 100% */
3635                         rc = NETDEV_TX_OK;
3636                 }
3637         }
3638         netif_wake_queue(dev);
3639         if (card->options.performance_stats)
3640                 card->perf_stats.outbound_time += qeth_get_micros() -
3641                         card->perf_stats.outbound_start_time;
3642         return rc;
3643 }
3644
3645 static int
3646 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3647 {
3648         int rc = 0;
3649 #ifdef CONFIG_QETH_VLAN
3650         struct vlan_group *vg;
3651         int i;
3652
3653         if (!(vg = card->vlangrp))
3654                 return rc;
3655
3656         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3657                 if (vlan_group_get_device(vg, i) == dev){
3658                         rc = QETH_VLAN_CARD;
3659                         break;
3660                 }
3661         }
3662         if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3663                 return 0;
3664
3665 #endif
3666         return rc;
3667 }
3668
3669 static int
3670 qeth_verify_dev(struct net_device *dev)
3671 {
3672         struct qeth_card *card;
3673         unsigned long flags;
3674         int rc = 0;
3675
3676         read_lock_irqsave(&qeth_card_list.rwlock, flags);
3677         list_for_each_entry(card, &qeth_card_list.list, list){
3678                 if (card->dev == dev){
3679                         rc = QETH_REAL_CARD;
3680                         break;
3681                 }
3682                 rc = qeth_verify_vlan_dev(dev, card);
3683                 if (rc)
3684                         break;
3685         }
3686         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3687
3688         return rc;
3689 }
3690
3691 static struct qeth_card *
3692 qeth_get_card_from_dev(struct net_device *dev)
3693 {
3694         struct qeth_card *card = NULL;
3695         int rc;
3696
3697         rc = qeth_verify_dev(dev);
3698         if (rc == QETH_REAL_CARD)
3699                 card = (struct qeth_card *)dev->priv;
3700         else if (rc == QETH_VLAN_CARD)
3701                 card = (struct qeth_card *)
3702                         VLAN_DEV_INFO(dev)->real_dev->priv;
3703
3704         QETH_DBF_TEXT_(trace, 4, "%d", rc);
3705         return card ;
3706 }
3707
3708 static void
3709 qeth_tx_timeout(struct net_device *dev)
3710 {
3711         struct qeth_card *card;
3712
3713         card = (struct qeth_card *) dev->priv;
3714         card->stats.tx_errors++;
3715         qeth_schedule_recovery(card);
3716 }
3717
3718 static int
3719 qeth_open(struct net_device *dev)
3720 {
3721         struct qeth_card *card;
3722
3723         QETH_DBF_TEXT(trace, 4, "qethopen");
3724
3725         card = (struct qeth_card *) dev->priv;
3726
3727         if (card->state != CARD_STATE_SOFTSETUP)
3728                 return -ENODEV;
3729
3730         if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3731              (card->options.layer2) &&
3732              (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3733                 QETH_DBF_TEXT(trace,4,"nomacadr");
3734                 return -EPERM;
3735         }
3736         card->data.state = CH_STATE_UP;
3737         card->state = CARD_STATE_UP;
3738         card->dev->flags |= IFF_UP;
3739         netif_start_queue(dev);
3740
3741         if (!card->lan_online && netif_carrier_ok(dev))
3742                 netif_carrier_off(dev);
3743         return 0;
3744 }
3745
3746 static int
3747 qeth_stop(struct net_device *dev)
3748 {
3749         struct qeth_card *card;
3750
3751         QETH_DBF_TEXT(trace, 4, "qethstop");
3752
3753         card = (struct qeth_card *) dev->priv;
3754
3755         netif_tx_disable(dev);
3756         card->dev->flags &= ~IFF_UP;
3757         if (card->state == CARD_STATE_UP)
3758                 card->state = CARD_STATE_SOFTSETUP;
3759         return 0;
3760 }
3761
3762 static int
3763 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3764 {
3765         int cast_type = RTN_UNSPEC;
3766
3767         if (card->info.type == QETH_CARD_TYPE_OSN)
3768                 return cast_type;
3769
3770         if (skb->dst && skb->dst->neighbour){
3771                 cast_type = skb->dst->neighbour->type;
3772                 if ((cast_type == RTN_BROADCAST) ||
3773                     (cast_type == RTN_MULTICAST) ||
3774                     (cast_type == RTN_ANYCAST))
3775                         return cast_type;
3776                 else
3777                         return RTN_UNSPEC;
3778         }
3779         /* try something else */
3780         if (skb->protocol == ETH_P_IPV6)
3781                 return (skb_network_header(skb)[24] == 0xff) ?
3782                                 RTN_MULTICAST : 0;
3783         else if (skb->protocol == ETH_P_IP)
3784                 return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
3785                                 RTN_MULTICAST : 0;
3786         /* ... */
3787         if (!memcmp(skb->data, skb->dev->broadcast, 6))
3788                 return RTN_BROADCAST;
3789         else {
3790                 u16 hdr_mac;
3791
3792                 hdr_mac = *((u16 *)skb->data);
3793                 /* tr multicast? */
3794                 switch (card->info.link_type) {
3795                 case QETH_LINK_TYPE_HSTR:
3796                 case QETH_LINK_TYPE_LANE_TR:
3797                         if ((hdr_mac == QETH_TR_MAC_NC) ||
3798                             (hdr_mac == QETH_TR_MAC_C))
3799                                 return RTN_MULTICAST;
3800                         break;
3801                 /* eth or so multicast? */
3802                 default:
3803                         if ((hdr_mac == QETH_ETH_MAC_V4) ||
3804                             (hdr_mac == QETH_ETH_MAC_V6))
3805                                 return RTN_MULTICAST;
3806                 }
3807         }
3808         return cast_type;
3809 }
3810
3811 static int
3812 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3813                         int ipv, int cast_type)
3814 {
3815         if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3816                 return card->qdio.default_out_queue;
3817         switch (card->qdio.no_out_queues) {
3818         case 4:
3819                 if (cast_type && card->info.is_multicast_different)
3820                         return card->info.is_multicast_different &
3821                                 (card->qdio.no_out_queues - 1);
3822                 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3823                         const u8 tos = ip_hdr(skb)->tos;
3824
3825                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3826                                 if (tos & IP_TOS_NOTIMPORTANT)
3827                                         return 3;
3828                                 if (tos & IP_TOS_HIGHRELIABILITY)
3829                                         return 2;
3830                                 if (tos & IP_TOS_HIGHTHROUGHPUT)
3831                                         return 1;
3832                                 if (tos & IP_TOS_LOWDELAY)
3833                                         return 0;
3834                         }
3835                         if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3836                                 return 3 - (tos >> 6);
3837                 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3838                         /* TODO: IPv6!!! */
3839                 }
3840                 return card->qdio.default_out_queue;
3841         case 1: /* fallthrough for single-out-queue 1920-device */
3842         default:
3843                 return card->qdio.default_out_queue;
3844         }
3845 }
3846
3847 static inline int
3848 qeth_get_ip_version(struct sk_buff *skb)
3849 {
3850         switch (skb->protocol) {
3851         case ETH_P_IPV6:
3852                 return 6;
3853         case ETH_P_IP:
3854                 return 4;
3855         default:
3856                 return 0;
3857         }
3858 }
3859
3860 static struct qeth_hdr *
3861 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
3862 {
3863 #ifdef CONFIG_QETH_VLAN
3864         u16 *tag;
3865         if (card->vlangrp && vlan_tx_tag_present(skb) &&
3866             ((ipv == 6) || card->options.layer2) ) {
3867                 /*
3868                  * Move the mac addresses (6 bytes src, 6 bytes dest)
3869                  * to the beginning of the new header.  We are using three
3870                  * memcpys instead of one memmove to save cycles.
3871                  */
3872                 skb_push(skb, VLAN_HLEN);
3873                 memcpy(skb->data, skb->data + 4, 4);
3874                 memcpy(skb->data + 4, skb->data + 8, 4);
3875                 memcpy(skb->data + 8, skb->data + 12, 4);
3876                 tag = (u16 *)(skb->data + 12);
3877                 /*
3878                  * first two bytes  = ETH_P_8021Q (0x8100)
3879                  * second two bytes = VLANID
3880                  */
3881                 *tag = __constant_htons(ETH_P_8021Q);
3882                 *(tag + 1) = htons(vlan_tx_tag_get(skb));
3883         }
3884 #endif
3885         return ((struct qeth_hdr *)
3886                 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
3887 }
3888
3889 static void
3890 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
3891 {
3892         if (orig_skb != new_skb)
3893                 dev_kfree_skb_any(new_skb);
3894 }
3895
3896 static struct sk_buff *
3897 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
3898                  struct qeth_hdr **hdr, int ipv)
3899 {
3900         struct sk_buff *new_skb, *new_skb2;
3901
3902         QETH_DBF_TEXT(trace, 6, "prepskb");
3903         new_skb = skb;
3904         new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
3905         if (!new_skb)
3906                 return NULL;
3907         new_skb2 = qeth_realloc_headroom(card, new_skb,
3908                                          sizeof(struct qeth_hdr));
3909         if (!new_skb2) {
3910                 __qeth_free_new_skb(skb, new_skb);
3911                 return NULL;
3912         }
3913         if (new_skb != skb)
3914                 __qeth_free_new_skb(new_skb2, new_skb);
3915         new_skb = new_skb2;
3916         *hdr = __qeth_prepare_skb(card, new_skb, ipv);
3917         if (*hdr == NULL) {
3918                 __qeth_free_new_skb(skb, new_skb);
3919                 return NULL;
3920         }
3921         return new_skb;
3922 }
3923
3924 static inline u8
3925 qeth_get_qeth_hdr_flags4(int cast_type)
3926 {
3927         if (cast_type == RTN_MULTICAST)
3928                 return QETH_CAST_MULTICAST;
3929         if (cast_type == RTN_BROADCAST)
3930                 return QETH_CAST_BROADCAST;
3931         return QETH_CAST_UNICAST;
3932 }
3933
3934 static inline u8
3935 qeth_get_qeth_hdr_flags6(int cast_type)
3936 {
3937         u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3938         if (cast_type == RTN_MULTICAST)
3939                 return ct | QETH_CAST_MULTICAST;
3940         if (cast_type == RTN_ANYCAST)
3941                 return ct | QETH_CAST_ANYCAST;
3942         if (cast_type == RTN_BROADCAST)
3943                 return ct | QETH_CAST_BROADCAST;
3944         return ct | QETH_CAST_UNICAST;
3945 }
3946
3947 static void
3948 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3949                             struct sk_buff *skb)
3950 {
3951         __u16 hdr_mac;
3952
3953         if (!memcmp(skb->data+QETH_HEADER_SIZE,
3954                     skb->dev->broadcast,6)) { /* broadcast? */
3955                 *(__u32 *)hdr->hdr.l2.flags |=
3956                          QETH_LAYER2_FLAG_BROADCAST << 8;
3957                 return;
3958         }
3959         hdr_mac=*((__u16*)skb->data);
3960         /* tr multicast? */
3961         switch (card->info.link_type) {
3962         case QETH_LINK_TYPE_HSTR:
3963         case QETH_LINK_TYPE_LANE_TR:
3964                 if ((hdr_mac == QETH_TR_MAC_NC) ||
3965                     (hdr_mac == QETH_TR_MAC_C) )
3966                         *(__u32 *)hdr->hdr.l2.flags |=
3967                                 QETH_LAYER2_FLAG_MULTICAST << 8;
3968                 else
3969                         *(__u32 *)hdr->hdr.l2.flags |=
3970                                 QETH_LAYER2_FLAG_UNICAST << 8;
3971                 break;
3972                 /* eth or so multicast? */
3973         default:
3974                 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
3975                      (hdr_mac==QETH_ETH_MAC_V6) )
3976                         *(__u32 *)hdr->hdr.l2.flags |=
3977                                 QETH_LAYER2_FLAG_MULTICAST << 8;
3978                 else
3979                         *(__u32 *)hdr->hdr.l2.flags |=
3980                                 QETH_LAYER2_FLAG_UNICAST << 8;
3981         }
3982 }
3983
3984 static void
3985 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3986                         struct sk_buff *skb, int cast_type)
3987 {
3988         memset(hdr, 0, sizeof(struct qeth_hdr));
3989         hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
3990
3991         /* set byte 0 to "0x02" and byte 3 to casting flags */
3992         if (cast_type==RTN_MULTICAST)
3993                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
3994         else if (cast_type==RTN_BROADCAST)
3995                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
3996          else
3997                 qeth_layer2_get_packet_type(card, hdr, skb);
3998
3999         hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4000 #ifdef CONFIG_QETH_VLAN
4001         /* VSWITCH relies on the VLAN
4002          * information to be present in
4003          * the QDIO header */
4004         if ((card->vlangrp != NULL) &&
4005             vlan_tx_tag_present(skb)) {
4006                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4007                 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4008         }
4009 #endif
4010 }
4011
4012 void
4013 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4014                 struct sk_buff *skb, int ipv, int cast_type)
4015 {
4016         QETH_DBF_TEXT(trace, 6, "fillhdr");
4017
4018         memset(hdr, 0, sizeof(struct qeth_hdr));
4019         if (card->options.layer2) {
4020                 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4021                 return;
4022         }
4023         hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4024         hdr->hdr.l3.ext_flags = 0;
4025 #ifdef CONFIG_QETH_VLAN
4026         /*
4027          * before we're going to overwrite this location with next hop ip.
4028          * v6 uses passthrough, v4 sets the tag in the QDIO header.
4029          */
4030         if (card->vlangrp && vlan_tx_tag_present(skb)) {
4031                 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4032                         QETH_HDR_EXT_VLAN_FRAME :
4033                         QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4034                 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4035         }
4036 #endif /* CONFIG_QETH_VLAN */
4037         hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4038         if (ipv == 4) {  /* IPv4 */
4039                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4040                 memset(hdr->hdr.l3.dest_addr, 0, 12);
4041                 if ((skb->dst) && (skb->dst->neighbour)) {
4042                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4043                             *((u32 *) skb->dst->neighbour->primary_key);
4044                 } else {
4045                         /* fill in destination address used in ip header */
4046                         *((u32 *)(&hdr->hdr.l3.dest_addr[12])) =
4047                                                            ip_hdr(skb)->daddr;
4048                 }
4049         } else if (ipv == 6) { /* IPv6 or passthru */
4050                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4051                 if ((skb->dst) && (skb->dst->neighbour)) {
4052                         memcpy(hdr->hdr.l3.dest_addr,
4053                                skb->dst->neighbour->primary_key, 16);
4054                 } else {
4055                         /* fill in destination address used in ip header */
4056                         memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4057                 }
4058         } else { /* passthrough */
4059                 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4060                     !memcmp(skb->data + sizeof(struct qeth_hdr) +
4061                     sizeof(__u16), skb->dev->broadcast, 6)) {
4062                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4063                                                 QETH_HDR_PASSTHRU;
4064                 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4065                             skb->dev->broadcast, 6)) {   /* broadcast? */
4066                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4067                                                 QETH_HDR_PASSTHRU;
4068                 } else {
4069                         hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4070                                 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4071                                 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4072                 }
4073         }
4074 }
4075
4076 static void
4077 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4078                    int is_tso, int *next_element_to_fill)
4079 {
4080         int length = skb->len;
4081         int length_here;
4082         int element;
4083         char *data;
4084         int first_lap ;
4085
4086         element = *next_element_to_fill;
4087         data = skb->data;
4088         first_lap = (is_tso == 0 ? 1 : 0);
4089
4090         while (length > 0) {
4091                 /* length_here is the remaining amount of data in this page */
4092                 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4093                 if (length < length_here)
4094                         length_here = length;
4095
4096                 buffer->element[element].addr = data;
4097                 buffer->element[element].length = length_here;
4098                 length -= length_here;
4099                 if (!length) {
4100                         if (first_lap)
4101                                 buffer->element[element].flags = 0;
4102                         else
4103                                 buffer->element[element].flags =
4104                                     SBAL_FLAGS_LAST_FRAG;
4105                 } else {
4106                         if (first_lap)
4107                                 buffer->element[element].flags =
4108                                     SBAL_FLAGS_FIRST_FRAG;
4109                         else
4110                                 buffer->element[element].flags =
4111                                     SBAL_FLAGS_MIDDLE_FRAG;
4112                 }
4113                 data += length_here;
4114                 element++;
4115                 first_lap = 0;
4116         }
4117         *next_element_to_fill = element;
4118 }
4119
4120 static int
4121 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4122                  struct qeth_qdio_out_buffer *buf,
4123                  struct sk_buff *skb)
4124 {
4125         struct qdio_buffer *buffer;
4126         struct qeth_hdr_tso *hdr;
4127         int flush_cnt = 0, hdr_len, large_send = 0;
4128
4129         QETH_DBF_TEXT(trace, 6, "qdfillbf");
4130
4131         buffer = buf->buffer;
4132         atomic_inc(&skb->users);
4133         skb_queue_tail(&buf->skb_list, skb);
4134
4135         hdr  = (struct qeth_hdr_tso *) skb->data;
4136         /*check first on TSO ....*/
4137         if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4138                 int element = buf->next_element_to_fill;
4139
4140                 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4141                 /*fill first buffer entry only with header information */
4142                 buffer->element[element].addr = skb->data;
4143                 buffer->element[element].length = hdr_len;
4144                 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4145                 buf->next_element_to_fill++;
4146                 skb->data += hdr_len;
4147                 skb->len  -= hdr_len;
4148                 large_send = 1;
4149         }
4150         if (skb_shinfo(skb)->nr_frags == 0)
4151                 __qeth_fill_buffer(skb, buffer, large_send,
4152                                    (int *)&buf->next_element_to_fill);
4153         else
4154                 __qeth_fill_buffer_frag(skb, buffer, large_send,
4155                                         (int *)&buf->next_element_to_fill);
4156
4157         if (!queue->do_pack) {
4158                 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4159                 /* set state to PRIMED -> will be flushed */
4160                 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4161                 flush_cnt = 1;
4162         } else {
4163                 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4164                 if (queue->card->options.performance_stats)
4165                         queue->card->perf_stats.skbs_sent_pack++;
4166                 if (buf->next_element_to_fill >=
4167                                 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4168                         /*
4169                          * packed buffer if full -> set state PRIMED
4170                          * -> will be flushed
4171                          */
4172                         atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4173                         flush_cnt = 1;
4174                 }
4175         }
4176         return flush_cnt;
4177 }
4178
4179 static int
4180 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4181                          struct sk_buff *skb, struct qeth_hdr *hdr,
4182                          int elements_needed,
4183                          struct qeth_eddp_context *ctx)
4184 {
4185         struct qeth_qdio_out_buffer *buffer;
4186         int buffers_needed = 0;
4187         int flush_cnt = 0;
4188         int index;
4189
4190         QETH_DBF_TEXT(trace, 6, "dosndpfa");
4191
4192         /* spin until we get the queue ... */
4193         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4194                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4195         /* ... now we've got the queue */
4196         index = queue->next_buf_to_fill;
4197         buffer = &queue->bufs[queue->next_buf_to_fill];
4198         /*
4199          * check if buffer is empty to make sure that we do not 'overtake'
4200          * ourselves and try to fill a buffer that is already primed
4201          */
4202         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4203                 goto out;
4204         if (ctx == NULL)
4205                 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4206                                           QDIO_MAX_BUFFERS_PER_Q;
4207         else {
4208                 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4209                 if (buffers_needed < 0)
4210                         goto out;
4211                 queue->next_buf_to_fill =
4212                         (queue->next_buf_to_fill + buffers_needed) %
4213                         QDIO_MAX_BUFFERS_PER_Q;
4214         }
4215         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4216         if (ctx == NULL) {
4217                 qeth_fill_buffer(queue, buffer, skb);
4218                 qeth_flush_buffers(queue, 0, index, 1);
4219         } else {
4220                 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4221                 WARN_ON(buffers_needed != flush_cnt);
4222                 qeth_flush_buffers(queue, 0, index, flush_cnt);
4223         }
4224         return 0;
4225 out:
4226         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4227         return -EBUSY;
4228 }
4229
4230 static int
4231 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4232                     struct sk_buff *skb, struct qeth_hdr *hdr,
4233                     int elements_needed, struct qeth_eddp_context *ctx)
4234 {
4235         struct qeth_qdio_out_buffer *buffer;
4236         int start_index;
4237         int flush_count = 0;
4238         int do_pack = 0;
4239         int tmp;
4240         int rc = 0;
4241
4242         QETH_DBF_TEXT(trace, 6, "dosndpkt");
4243
4244         /* spin until we get the queue ... */
4245         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4246                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4247         start_index = queue->next_buf_to_fill;
4248         buffer = &queue->bufs[queue->next_buf_to_fill];
4249         /*
4250          * check if buffer is empty to make sure that we do not 'overtake'
4251          * ourselves and try to fill a buffer that is already primed
4252          */
4253         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4254                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4255                 return -EBUSY;
4256         }
4257         /* check if we need to switch packing state of this queue */
4258         qeth_switch_to_packing_if_needed(queue);
4259         if (queue->do_pack){
4260                 do_pack = 1;
4261                 if (ctx == NULL) {
4262                         /* does packet fit in current buffer? */
4263                         if((QETH_MAX_BUFFER_ELEMENTS(card) -
4264                             buffer->next_element_to_fill) < elements_needed){
4265                                 /* ... no -> set state PRIMED */
4266                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4267                                 flush_count++;
4268                                 queue->next_buf_to_fill =
4269                                         (queue->next_buf_to_fill + 1) %
4270                                         QDIO_MAX_BUFFERS_PER_Q;
4271                                 buffer = &queue->bufs[queue->next_buf_to_fill];
4272                                 /* we did a step forward, so check buffer state
4273                                  * again */
4274                                 if (atomic_read(&buffer->state) !=
4275                                                 QETH_QDIO_BUF_EMPTY){
4276                                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4277                                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4278                                         return -EBUSY;
4279                                 }
4280                         }
4281                 } else {
4282                         /* check if we have enough elements (including following
4283                          * free buffers) to handle eddp context */
4284                         if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4285                                 printk("eddp tx_dropped 1\n");
4286                                 rc = -EBUSY;
4287                                 goto out;
4288                         }
4289                 }
4290         }
4291         if (ctx == NULL)
4292                 tmp = qeth_fill_buffer(queue, buffer, skb);
4293         else {
4294                 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4295                 if (tmp < 0) {
4296                         printk("eddp tx_dropped 2\n");
4297                         rc = - EBUSY;
4298                         goto out;
4299                 }
4300         }
4301         queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4302                                   QDIO_MAX_BUFFERS_PER_Q;
4303         flush_count += tmp;
4304 out:
4305         if (flush_count)
4306                 qeth_flush_buffers(queue, 0, start_index, flush_count);
4307         else if (!atomic_read(&queue->set_pci_flags_count))
4308                 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4309         /*
4310          * queue->state will go from LOCKED -> UNLOCKED or from
4311          * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4312          * (switch packing state or flush buffer to get another pci flag out).
4313          * In that case we will enter this loop
4314          */
4315         while (atomic_dec_return(&queue->state)){
4316                 flush_count = 0;
4317                 start_index = queue->next_buf_to_fill;
4318                 /* check if we can go back to non-packing state */
4319                 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4320                 /*
4321                  * check if we need to flush a packing buffer to get a pci
4322                  * flag out on the queue
4323                  */
4324                 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4325                         flush_count += qeth_flush_buffers_on_no_pci(queue);
4326                 if (flush_count)
4327                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4328         }
4329         /* at this point the queue is UNLOCKED again */
4330         if (queue->card->options.performance_stats && do_pack)
4331                 queue->card->perf_stats.bufs_sent_pack += flush_count;
4332
4333         return rc;
4334 }
4335
4336 static int
4337 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4338                      struct sk_buff *skb, int elems)
4339 {
4340         int elements_needed = 0;
4341
4342         if (skb_shinfo(skb)->nr_frags > 0)
4343                 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4344         if (elements_needed == 0)
4345                 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4346                                         + skb->len) >> PAGE_SHIFT);
4347         if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4348                 PRINT_ERR("Invalid size of IP packet "
4349                           "(Number=%d / Length=%d). Discarded.\n",
4350                           (elements_needed+elems), skb->len);
4351                 return 0;
4352         }
4353         return elements_needed;
4354 }
4355
4356
4357 static int
4358 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4359 {
4360         int ipv = 0;
4361         int cast_type;
4362         struct qeth_qdio_out_q *queue;
4363         struct qeth_hdr *hdr = NULL;
4364         int elements_needed = 0;
4365         enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4366         struct qeth_eddp_context *ctx = NULL;
4367         int tx_bytes = skb->len;
4368         unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4369         unsigned short tso_size = skb_shinfo(skb)->gso_size;
4370         struct sk_buff *new_skb, *new_skb2;
4371         int rc;
4372
4373         QETH_DBF_TEXT(trace, 6, "sendpkt");
4374
4375         new_skb = skb;
4376         if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4377             (skb->protocol == htons(ETH_P_IPV6)))
4378                 return -EPERM;
4379         cast_type = qeth_get_cast_type(card, skb);
4380         if ((cast_type == RTN_BROADCAST) &&
4381             (card->info.broadcast_capable == 0))
4382                 return -EPERM;
4383         queue = card->qdio.out_qs
4384                 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4385         if (!card->options.layer2) {
4386                 ipv = qeth_get_ip_version(skb);
4387                 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4388                         new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4389                         if (!new_skb)
4390                                 return -ENOMEM;
4391                         if(card->dev->type == ARPHRD_IEEE802_TR){
4392                                 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4393                         } else {
4394                                 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4395                         }
4396                 }
4397         }
4398         if (skb_is_gso(skb))
4399                 large_send = card->options.large_send;
4400         /* check on OSN device*/
4401         if (card->info.type == QETH_CARD_TYPE_OSN)
4402                 hdr = (struct qeth_hdr *)new_skb->data;
4403         /*are we able to do TSO ? */
4404         if ((large_send == QETH_LARGE_SEND_TSO) &&
4405             (cast_type == RTN_UNSPEC)) {
4406                 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4407                 if (rc) {
4408                         __qeth_free_new_skb(skb, new_skb);
4409                         return rc;
4410                 }
4411                 elements_needed++;
4412         } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4413                 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4414                 if (!new_skb2) {
4415                         __qeth_free_new_skb(skb, new_skb);
4416                         return -EINVAL;
4417                 }
4418                 if (new_skb != skb)
4419                         __qeth_free_new_skb(new_skb2, new_skb);
4420                 new_skb = new_skb2;
4421                 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4422         }
4423         if (large_send == QETH_LARGE_SEND_EDDP) {
4424                 ctx = qeth_eddp_create_context(card, new_skb, hdr);
4425                 if (ctx == NULL) {
4426                         __qeth_free_new_skb(skb, new_skb);
4427                         PRINT_WARN("could not create eddp context\n");
4428                         return -EINVAL;
4429                 }
4430         } else {
4431                 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4432                                                  elements_needed);
4433                 if (!elems) {
4434                         __qeth_free_new_skb(skb, new_skb);
4435                         return -EINVAL;
4436                 }
4437                 elements_needed += elems;
4438         }
4439
4440         if (card->info.type != QETH_CARD_TYPE_IQD)
4441                 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4442                                          elements_needed, ctx);
4443         else
4444                 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4445                                               elements_needed, ctx);
4446         if (!rc) {
4447                 card->stats.tx_packets++;
4448                 card->stats.tx_bytes += tx_bytes;
4449                 if (new_skb != skb)
4450                         dev_kfree_skb_any(skb);
4451                 if (card->options.performance_stats) {
4452                         if (tso_size &&
4453                             !(large_send == QETH_LARGE_SEND_NO)) {
4454                                 card->perf_stats.large_send_bytes += tx_bytes;
4455                                 card->perf_stats.large_send_cnt++;
4456                         }
4457                         if (nr_frags > 0) {
4458                                 card->perf_stats.sg_skbs_sent++;
4459                                 /* nr_frags + skb->data */
4460                                 card->perf_stats.sg_frags_sent +=
4461                                         nr_frags + 1;
4462                         }
4463                 }
4464         } else {
4465                 card->stats.tx_dropped++;
4466                 __qeth_free_new_skb(skb, new_skb);
4467         }
4468         if (ctx != NULL) {
4469                 /* drop creator's reference */
4470                 qeth_eddp_put_context(ctx);
4471                 /* free skb; it's not referenced by a buffer */
4472                 if (!rc)
4473                        dev_kfree_skb_any(new_skb);
4474         }
4475         return rc;
4476 }
4477
4478 static int
4479 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4480 {
4481         struct qeth_card *card = (struct qeth_card *) dev->priv;
4482         int rc = 0;
4483
4484         switch(regnum){
4485         case MII_BMCR: /* Basic mode control register */
4486                 rc = BMCR_FULLDPLX;
4487                 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4488                     (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4489                     (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4490                         rc |= BMCR_SPEED100;
4491                 break;
4492         case MII_BMSR: /* Basic mode status register */
4493                 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4494                      BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4495                      BMSR_100BASE4;
4496                 break;
4497         case MII_PHYSID1: /* PHYS ID 1 */
4498                 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4499                      dev->dev_addr[2];
4500                 rc = (rc >> 5) & 0xFFFF;
4501                 break;
4502         case MII_PHYSID2: /* PHYS ID 2 */
4503                 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4504                 break;
4505         case MII_ADVERTISE: /* Advertisement control reg */
4506                 rc = ADVERTISE_ALL;
4507                 break;
4508         case MII_LPA: /* Link partner ability reg */
4509                 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4510                      LPA_100BASE4 | LPA_LPACK;
4511                 break;
4512         case MII_EXPANSION: /* Expansion register */
4513                 break;
4514         case MII_DCOUNTER: /* disconnect counter */
4515                 break;
4516         case MII_FCSCOUNTER: /* false carrier counter */
4517                 break;
4518         case MII_NWAYTEST: /* N-way auto-neg test register */
4519                 break;
4520         case MII_RERRCOUNTER: /* rx error counter */
4521                 rc = card->stats.rx_errors;
4522                 break;
4523         case MII_SREVISION: /* silicon revision */
4524                 break;
4525         case MII_RESV1: /* reserved 1 */
4526                 break;
4527         case MII_LBRERROR: /* loopback, rx, bypass error */
4528                 break;
4529         case MII_PHYADDR: /* physical address */
4530                 break;
4531         case MII_RESV2: /* reserved 2 */
4532                 break;
4533         case MII_TPISTATUS: /* TPI status for 10mbps */
4534                 break;
4535         case MII_NCONFIG: /* network interface config */
4536                 break;
4537         default:
4538                 break;
4539         }
4540         return rc;
4541 }
4542
4543
4544 static const char *
4545 qeth_arp_get_error_cause(int *rc)
4546 {
4547         switch (*rc) {
4548         case QETH_IPA_ARP_RC_FAILED:
4549                 *rc = -EIO;
4550                 return "operation failed";
4551         case QETH_IPA_ARP_RC_NOTSUPP:
4552                 *rc = -EOPNOTSUPP;
4553                 return "operation not supported";
4554         case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4555                 *rc = -EINVAL;
4556                 return "argument out of range";
4557         case QETH_IPA_ARP_RC_Q_NOTSUPP:
4558                 *rc = -EOPNOTSUPP;
4559                 return "query operation not supported";
4560         case QETH_IPA_ARP_RC_Q_NO_DATA:
4561                 *rc = -ENOENT;
4562                 return "no query data available";
4563         default:
4564                 return "unknown error";
4565         }
4566 }
4567
4568 static int
4569 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4570                              __u16, long);
4571
4572 static int
4573 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4574 {
4575         int tmp;
4576         int rc;
4577
4578         QETH_DBF_TEXT(trace,3,"arpstnoe");
4579
4580         /*
4581          * currently GuestLAN only supports the ARP assist function
4582          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4583          * thus we say EOPNOTSUPP for this ARP function
4584          */
4585         if (card->info.guestlan)
4586                 return -EOPNOTSUPP;
4587         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4588                 PRINT_WARN("ARP processing not supported "
4589                            "on %s!\n", QETH_CARD_IFNAME(card));
4590                 return -EOPNOTSUPP;
4591         }
4592         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4593                                           IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4594                                           no_entries);
4595         if (rc) {
4596                 tmp = rc;
4597                 PRINT_WARN("Could not set number of ARP entries on %s: "
4598                            "%s (0x%x/%d)\n",
4599                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4600                            tmp, tmp);
4601         }
4602         return rc;
4603 }
4604
4605 static void
4606 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4607                                struct qeth_arp_query_data *qdata,
4608                                int entry_size, int uentry_size)
4609 {
4610         char *entry_ptr;
4611         char *uentry_ptr;
4612         int i;
4613
4614         entry_ptr = (char *)&qdata->data;
4615         uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4616         for (i = 0; i < qdata->no_entries; ++i){
4617                 /* strip off 32 bytes "media specific information" */
4618                 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4619                 entry_ptr += entry_size;
4620                 uentry_ptr += uentry_size;
4621         }
4622 }
4623
4624 static int
4625 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4626                   unsigned long data)
4627 {
4628         struct qeth_ipa_cmd *cmd;
4629         struct qeth_arp_query_data *qdata;
4630         struct qeth_arp_query_info *qinfo;
4631         int entry_size;
4632         int uentry_size;
4633         int i;
4634
4635         QETH_DBF_TEXT(trace,4,"arpquecb");
4636
4637         qinfo = (struct qeth_arp_query_info *) reply->param;
4638         cmd = (struct qeth_ipa_cmd *) data;
4639         if (cmd->hdr.return_code) {
4640                 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4641                 return 0;
4642         }
4643         if (cmd->data.setassparms.hdr.return_code) {
4644                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4645                 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4646                 return 0;
4647         }
4648         qdata = &cmd->data.setassparms.data.query_arp;
4649         switch(qdata->reply_bits){
4650         case 5:
4651                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4652                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4653                         uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4654                 break;
4655         case 7:
4656                 /* fall through to default */
4657         default:
4658                 /* tr is the same as eth -> entry7 */
4659                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4660                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4661                         uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4662                 break;
4663         }
4664         /* check if there is enough room in userspace */
4665         if ((qinfo->udata_len - qinfo->udata_offset) <
4666                         qdata->no_entries * uentry_size){
4667                 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4668                 cmd->hdr.return_code = -ENOMEM;
4669                 PRINT_WARN("query ARP user space buffer is too small for "
4670                            "the returned number of ARP entries. "
4671                            "Aborting query!\n");
4672                 goto out_error;
4673         }
4674         QETH_DBF_TEXT_(trace, 4, "anore%i",
4675                        cmd->data.setassparms.hdr.number_of_replies);
4676         QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4677         QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4678
4679         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4680                 /* strip off "media specific information" */
4681                 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4682                                                uentry_size);
4683         } else
4684                 /*copy entries to user buffer*/
4685                 memcpy(qinfo->udata + qinfo->udata_offset,
4686                        (char *)&qdata->data, qdata->no_entries*uentry_size);
4687
4688         qinfo->no_entries += qdata->no_entries;
4689         qinfo->udata_offset += (qdata->no_entries*uentry_size);
4690         /* check if all replies received ... */
4691         if (cmd->data.setassparms.hdr.seq_no <
4692             cmd->data.setassparms.hdr.number_of_replies)
4693                 return 1;
4694         memcpy(qinfo->udata, &qinfo->no_entries, 4);
4695         /* keep STRIP_ENTRIES flag so the user program can distinguish
4696          * stripped entries from normal ones */
4697         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4698                 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4699         memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4700         return 0;
4701 out_error:
4702         i = 0;
4703         memcpy(qinfo->udata, &i, 4);
4704         return 0;
4705 }
4706
4707 static int
4708 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4709                       int len, int (*reply_cb)(struct qeth_card *,
4710                                                struct qeth_reply *,
4711                                                unsigned long),
4712                       void *reply_param)
4713 {
4714         QETH_DBF_TEXT(trace,4,"sendarp");
4715
4716         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4717         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4718                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4719         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4720                                       reply_cb, reply_param);
4721 }
4722
4723 static int
4724 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4725                       int len, int (*reply_cb)(struct qeth_card *,
4726                                                struct qeth_reply *,
4727                                                unsigned long),
4728                       void *reply_param)
4729 {
4730         u16 s1, s2;
4731
4732         QETH_DBF_TEXT(trace,4,"sendsnmp");
4733
4734         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4735         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4736                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4737         /* adjust PDU length fields in IPA_PDU_HEADER */
4738         s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4739         s2 = (u32) len;
4740         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4741         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4742         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4743         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4744         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4745                                       reply_cb, reply_param);
4746 }
4747
4748 static struct qeth_cmd_buffer *
4749 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4750                          __u16, __u16, enum qeth_prot_versions);
4751 static int
4752 qeth_arp_query(struct qeth_card *card, char __user *udata)
4753 {
4754         struct qeth_cmd_buffer *iob;
4755         struct qeth_arp_query_info qinfo = {0, };
4756         int tmp;
4757         int rc;
4758
4759         QETH_DBF_TEXT(trace,3,"arpquery");
4760
4761         if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4762                                IPA_ARP_PROCESSING)) {
4763                 PRINT_WARN("ARP processing not supported "
4764                            "on %s!\n", QETH_CARD_IFNAME(card));
4765                 return -EOPNOTSUPP;
4766         }
4767         /* get size of userspace buffer and mask_bits -> 6 bytes */
4768         if (copy_from_user(&qinfo, udata, 6))
4769                 return -EFAULT;
4770         if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4771                 return -ENOMEM;
4772         qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4773         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4774                                        IPA_CMD_ASS_ARP_QUERY_INFO,
4775                                        sizeof(int),QETH_PROT_IPV4);
4776
4777         rc = qeth_send_ipa_arp_cmd(card, iob,
4778                                    QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4779                                    qeth_arp_query_cb, (void *)&qinfo);
4780         if (rc) {
4781                 tmp = rc;
4782                 PRINT_WARN("Error while querying ARP cache on %s: %s "
4783                            "(0x%x/%d)\n",
4784                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4785                            tmp, tmp);
4786                 if (copy_to_user(udata, qinfo.udata, 4))
4787                         rc = -EFAULT;
4788         } else {
4789                 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4790                         rc = -EFAULT;
4791         }
4792         kfree(qinfo.udata);
4793         return rc;
4794 }
4795
4796 /**
4797  * SNMP command callback
4798  */
4799 static int
4800 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4801                      unsigned long sdata)
4802 {
4803         struct qeth_ipa_cmd *cmd;
4804         struct qeth_arp_query_info *qinfo;
4805         struct qeth_snmp_cmd *snmp;
4806         unsigned char *data;
4807         __u16 data_len;
4808
4809         QETH_DBF_TEXT(trace,3,"snpcmdcb");
4810
4811         cmd = (struct qeth_ipa_cmd *) sdata;
4812         data = (unsigned char *)((char *)cmd - reply->offset);
4813         qinfo = (struct qeth_arp_query_info *) reply->param;
4814         snmp = &cmd->data.setadapterparms.data.snmp;
4815
4816         if (cmd->hdr.return_code) {
4817                 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4818                 return 0;
4819         }
4820         if (cmd->data.setadapterparms.hdr.return_code) {
4821                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4822                 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4823                 return 0;
4824         }
4825         data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4826         if (cmd->data.setadapterparms.hdr.seq_no == 1)
4827                 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4828         else
4829                 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4830
4831         /* check if there is enough room in userspace */
4832         if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4833                 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4834                 cmd->hdr.return_code = -ENOMEM;
4835                 return 0;
4836         }
4837         QETH_DBF_TEXT_(trace, 4, "snore%i",
4838                        cmd->data.setadapterparms.hdr.used_total);
4839         QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4840         /*copy entries to user buffer*/
4841         if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4842                 memcpy(qinfo->udata + qinfo->udata_offset,
4843                        (char *)snmp,
4844                        data_len + offsetof(struct qeth_snmp_cmd,data));
4845                 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4846         } else {
4847                 memcpy(qinfo->udata + qinfo->udata_offset,
4848                        (char *)&snmp->request, data_len);
4849         }
4850         qinfo->udata_offset += data_len;
4851         /* check if all replies received ... */
4852                 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4853                                cmd->data.setadapterparms.hdr.used_total);
4854                 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4855                                cmd->data.setadapterparms.hdr.seq_no);
4856         if (cmd->data.setadapterparms.hdr.seq_no <
4857             cmd->data.setadapterparms.hdr.used_total)
4858                 return 1;
4859         return 0;
4860 }
4861
4862 static struct qeth_cmd_buffer *
4863 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4864                        enum qeth_prot_versions );
4865
4866 static struct qeth_cmd_buffer *
4867 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4868 {
4869         struct qeth_cmd_buffer *iob;
4870         struct qeth_ipa_cmd *cmd;
4871
4872         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4873                                      QETH_PROT_IPV4);
4874         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4875         cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4876         cmd->data.setadapterparms.hdr.command_code = command;
4877         cmd->data.setadapterparms.hdr.used_total = 1;
4878         cmd->data.setadapterparms.hdr.seq_no = 1;
4879
4880         return iob;
4881 }
4882
4883 /**
4884  * function to send SNMP commands to OSA-E card
4885  */
4886 static int
4887 qeth_snmp_command(struct qeth_card *card, char __user *udata)
4888 {
4889         struct qeth_cmd_buffer *iob;
4890         struct qeth_ipa_cmd *cmd;
4891         struct qeth_snmp_ureq *ureq;
4892         int req_len;
4893         struct qeth_arp_query_info qinfo = {0, };
4894         int rc = 0;
4895
4896         QETH_DBF_TEXT(trace,3,"snmpcmd");
4897
4898         if (card->info.guestlan)
4899                 return -EOPNOTSUPP;
4900
4901         if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4902             (!card->options.layer2) ) {
4903                 PRINT_WARN("SNMP Query MIBS not supported "
4904                            "on %s!\n", QETH_CARD_IFNAME(card));
4905                 return -EOPNOTSUPP;
4906         }
4907         /* skip 4 bytes (data_len struct member) to get req_len */
4908         if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4909                 return -EFAULT;
4910         ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4911         if (!ureq) {
4912                 QETH_DBF_TEXT(trace, 2, "snmpnome");
4913                 return -ENOMEM;
4914         }
4915         if (copy_from_user(ureq, udata,
4916                         req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4917                 kfree(ureq);
4918                 return -EFAULT;
4919         }
4920         qinfo.udata_len = ureq->hdr.data_len;
4921         if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4922                 kfree(ureq);
4923                 return -ENOMEM;
4924         }
4925         qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4926
4927         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4928                                    QETH_SNMP_SETADP_CMDLENGTH + req_len);
4929         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4930         memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4931         rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4932                                     qeth_snmp_command_cb, (void *)&qinfo);
4933         if (rc)
4934                 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4935                            QETH_CARD_IFNAME(card), rc);
4936         else {
4937                 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4938                         rc = -EFAULT;
4939         }
4940
4941         kfree(ureq);
4942         kfree(qinfo.udata);
4943         return rc;
4944 }
4945
4946 static int
4947 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4948                             unsigned long);
4949
4950 static int
4951 qeth_default_setadapterparms_cb(struct qeth_card *card,
4952                                 struct qeth_reply *reply,
4953                                 unsigned long data);
4954 static int
4955 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
4956                       __u16, long,
4957                       int (*reply_cb)
4958                       (struct qeth_card *, struct qeth_reply *, unsigned long),
4959                       void *reply_param);
4960
4961 static int
4962 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4963 {
4964         struct qeth_cmd_buffer *iob;
4965         char buf[16];
4966         int tmp;
4967         int rc;
4968
4969         QETH_DBF_TEXT(trace,3,"arpadent");
4970
4971         /*
4972          * currently GuestLAN only supports the ARP assist function
4973          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
4974          * thus we say EOPNOTSUPP for this ARP function
4975          */
4976         if (card->info.guestlan)
4977                 return -EOPNOTSUPP;
4978         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4979                 PRINT_WARN("ARP processing not supported "
4980                            "on %s!\n", QETH_CARD_IFNAME(card));
4981                 return -EOPNOTSUPP;
4982         }
4983
4984         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4985                                        IPA_CMD_ASS_ARP_ADD_ENTRY,
4986                                        sizeof(struct qeth_arp_cache_entry),
4987                                        QETH_PROT_IPV4);
4988         rc = qeth_send_setassparms(card, iob,
4989                                    sizeof(struct qeth_arp_cache_entry),
4990                                    (unsigned long) entry,
4991                                    qeth_default_setassparms_cb, NULL);
4992         if (rc) {
4993                 tmp = rc;
4994                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4995                 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4996                            "%s (0x%x/%d)\n",
4997                            buf, QETH_CARD_IFNAME(card),
4998                            qeth_arp_get_error_cause(&rc), tmp, tmp);
4999         }
5000         return rc;
5001 }
5002
5003 static int
5004 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5005 {
5006         struct qeth_cmd_buffer *iob;
5007         char buf[16] = {0, };
5008         int tmp;
5009         int rc;
5010
5011         QETH_DBF_TEXT(trace,3,"arprment");
5012
5013         /*
5014          * currently GuestLAN only supports the ARP assist function
5015          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5016          * thus we say EOPNOTSUPP for this ARP function
5017          */
5018         if (card->info.guestlan)
5019                 return -EOPNOTSUPP;
5020         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5021                 PRINT_WARN("ARP processing not supported "
5022                            "on %s!\n", QETH_CARD_IFNAME(card));
5023                 return -EOPNOTSUPP;
5024         }
5025         memcpy(buf, entry, 12);
5026         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5027                                        IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5028                                        12,
5029                                        QETH_PROT_IPV4);
5030         rc = qeth_send_setassparms(card, iob,
5031                                    12, (unsigned long)buf,
5032                                    qeth_default_setassparms_cb, NULL);
5033         if (rc) {
5034                 tmp = rc;
5035                 memset(buf, 0, 16);
5036                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5037                 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5038                            "%s (0x%x/%d)\n",
5039                            buf, QETH_CARD_IFNAME(card),
5040                            qeth_arp_get_error_cause(&rc), tmp, tmp);
5041         }
5042         return rc;
5043 }
5044
5045 static int
5046 qeth_arp_flush_cache(struct qeth_card *card)
5047 {
5048         int rc;
5049         int tmp;
5050
5051         QETH_DBF_TEXT(trace,3,"arpflush");
5052
5053         /*
5054          * currently GuestLAN only supports the ARP assist function
5055          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5056          * thus we say EOPNOTSUPP for this ARP function
5057         */
5058         if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5059                 return -EOPNOTSUPP;
5060         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5061                 PRINT_WARN("ARP processing not supported "
5062                            "on %s!\n", QETH_CARD_IFNAME(card));
5063                 return -EOPNOTSUPP;
5064         }
5065         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5066                                           IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5067         if (rc){
5068                 tmp = rc;
5069                 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5070                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5071                            tmp, tmp);
5072         }
5073         return rc;
5074 }
5075
5076 static int
5077 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5078 {
5079         struct qeth_card *card = (struct qeth_card *)dev->priv;
5080         struct qeth_arp_cache_entry arp_entry;
5081         struct mii_ioctl_data *mii_data;
5082         int rc = 0;
5083
5084         if (!card)
5085                 return -ENODEV;
5086
5087         if ((card->state != CARD_STATE_UP) &&
5088             (card->state != CARD_STATE_SOFTSETUP))
5089                 return -ENODEV;
5090
5091         if (card->info.type == QETH_CARD_TYPE_OSN)
5092                 return -EPERM;
5093
5094         switch (cmd){
5095         case SIOC_QETH_ARP_SET_NO_ENTRIES:
5096                 if ( !capable(CAP_NET_ADMIN) ||
5097                      (card->options.layer2) ) {
5098                         rc = -EPERM;
5099                         break;
5100                 }
5101                 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5102                 break;
5103         case SIOC_QETH_ARP_QUERY_INFO:
5104                 if ( !capable(CAP_NET_ADMIN) ||
5105                      (card->options.layer2) ) {
5106                         rc = -EPERM;
5107                         break;
5108                 }
5109                 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5110                 break;
5111         case SIOC_QETH_ARP_ADD_ENTRY:
5112                 if ( !capable(CAP_NET_ADMIN) ||
5113                      (card->options.layer2) ) {
5114                         rc = -EPERM;
5115                         break;
5116                 }
5117                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5118                                    sizeof(struct qeth_arp_cache_entry)))
5119                         rc = -EFAULT;
5120                 else
5121                         rc = qeth_arp_add_entry(card, &arp_entry);
5122                 break;
5123         case SIOC_QETH_ARP_REMOVE_ENTRY:
5124                 if ( !capable(CAP_NET_ADMIN) ||
5125                      (card->options.layer2) ) {
5126                         rc = -EPERM;
5127                         break;
5128                 }
5129                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5130                                    sizeof(struct qeth_arp_cache_entry)))
5131                         rc = -EFAULT;
5132                 else
5133                         rc = qeth_arp_remove_entry(card, &arp_entry);
5134                 break;
5135         case SIOC_QETH_ARP_FLUSH_CACHE:
5136                 if ( !capable(CAP_NET_ADMIN) ||
5137                      (card->options.layer2) ) {
5138                         rc = -EPERM;
5139                         break;
5140                 }
5141                 rc = qeth_arp_flush_cache(card);
5142                 break;
5143         case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5144                 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5145                 break;
5146         case SIOC_QETH_GET_CARD_TYPE:
5147                 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5148                     !card->info.guestlan)
5149                         return 1;
5150                 return 0;
5151                 break;
5152         case SIOCGMIIPHY:
5153                 mii_data = if_mii(rq);
5154                 mii_data->phy_id = 0;
5155                 break;
5156         case SIOCGMIIREG:
5157                 mii_data = if_mii(rq);
5158                 if (mii_data->phy_id != 0)
5159                         rc = -EINVAL;
5160                 else
5161                         mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5162                                                            mii_data->reg_num);
5163                 break;
5164         default:
5165                 rc = -EOPNOTSUPP;
5166         }
5167         if (rc)
5168                 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5169         return rc;
5170 }
5171
5172 static struct net_device_stats *
5173 qeth_get_stats(struct net_device *dev)
5174 {
5175         struct qeth_card *card;
5176
5177         card = (struct qeth_card *) (dev->priv);
5178
5179         QETH_DBF_TEXT(trace,5,"getstat");
5180
5181         return &card->stats;
5182 }
5183
5184 static int
5185 qeth_change_mtu(struct net_device *dev, int new_mtu)
5186 {
5187         struct qeth_card *card;
5188         char dbf_text[15];
5189
5190         card = (struct qeth_card *) (dev->priv);
5191
5192         QETH_DBF_TEXT(trace,4,"chgmtu");
5193         sprintf(dbf_text, "%8x", new_mtu);
5194         QETH_DBF_TEXT(trace,4,dbf_text);
5195
5196         if (new_mtu < 64)
5197                 return -EINVAL;
5198         if (new_mtu > 65535)
5199                 return -EINVAL;
5200         if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5201             (!qeth_mtu_is_valid(card, new_mtu)))
5202                 return -EINVAL;
5203         dev->mtu = new_mtu;
5204         return 0;
5205 }
5206
5207 #ifdef CONFIG_QETH_VLAN
5208 static void
5209 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5210 {
5211         struct qeth_card *card;
5212         unsigned long flags;
5213
5214         QETH_DBF_TEXT(trace,4,"vlanreg");
5215
5216         card = (struct qeth_card *) dev->priv;
5217         spin_lock_irqsave(&card->vlanlock, flags);
5218         card->vlangrp = grp;
5219         spin_unlock_irqrestore(&card->vlanlock, flags);
5220 }
5221
5222 static void
5223 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5224                       unsigned short vid)
5225 {
5226         int i;
5227         struct sk_buff *skb;
5228         struct sk_buff_head tmp_list;
5229
5230         skb_queue_head_init(&tmp_list);
5231         lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5232         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5233                 while ((skb = skb_dequeue(&buf->skb_list))){
5234                         if (vlan_tx_tag_present(skb) &&
5235                             (vlan_tx_tag_get(skb) == vid)) {
5236                                 atomic_dec(&skb->users);
5237                                 dev_kfree_skb(skb);
5238                         } else
5239                                 skb_queue_tail(&tmp_list, skb);
5240                 }
5241         }
5242         while ((skb = skb_dequeue(&tmp_list)))
5243                 skb_queue_tail(&buf->skb_list, skb);
5244 }
5245
5246 static void
5247 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5248 {
5249         int i, j;
5250
5251         QETH_DBF_TEXT(trace, 4, "frvlskbs");
5252         for (i = 0; i < card->qdio.no_out_queues; ++i){
5253                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5254                         qeth_free_vlan_buffer(card, &card->qdio.
5255                                               out_qs[i]->bufs[j], vid);
5256         }
5257 }
5258
5259 static void
5260 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5261 {
5262         struct in_device *in_dev;
5263         struct in_ifaddr *ifa;
5264         struct qeth_ipaddr *addr;
5265
5266         QETH_DBF_TEXT(trace, 4, "frvaddr4");
5267
5268         rcu_read_lock();
5269         in_dev = __in_dev_get_rcu(vlan_group_get_device(card->vlangrp, vid));
5270         if (!in_dev)
5271                 goto out;
5272         for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5273                 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5274                 if (addr){
5275                         addr->u.a4.addr = ifa->ifa_address;
5276                         addr->u.a4.mask = ifa->ifa_mask;
5277                         addr->type = QETH_IP_TYPE_NORMAL;
5278                         if (!qeth_delete_ip(card, addr))
5279                                 kfree(addr);
5280                 }
5281         }
5282 out:
5283         rcu_read_unlock();
5284 }
5285
5286 static void
5287 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5288 {
5289 #ifdef CONFIG_QETH_IPV6
5290         struct inet6_dev *in6_dev;
5291         struct inet6_ifaddr *ifa;
5292         struct qeth_ipaddr *addr;
5293
5294         QETH_DBF_TEXT(trace, 4, "frvaddr6");
5295
5296         in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
5297         if (!in6_dev)
5298                 return;
5299         for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5300                 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5301                 if (addr){
5302                         memcpy(&addr->u.a6.addr, &ifa->addr,
5303                                sizeof(struct in6_addr));
5304                         addr->u.a6.pfxlen = ifa->prefix_len;
5305                         addr->type = QETH_IP_TYPE_NORMAL;
5306                         if (!qeth_delete_ip(card, addr))
5307                                 kfree(addr);
5308                 }
5309         }
5310         in6_dev_put(in6_dev);
5311 #endif /* CONFIG_QETH_IPV6 */
5312 }
5313
5314 static void
5315 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5316 {
5317         if (card->options.layer2 || !card->vlangrp)
5318                 return;
5319         qeth_free_vlan_addresses4(card, vid);
5320         qeth_free_vlan_addresses6(card, vid);
5321 }
5322
5323 static int
5324 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5325                                struct qeth_reply *reply,
5326                                unsigned long data)
5327 {
5328         struct qeth_ipa_cmd *cmd;
5329
5330         QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5331         cmd = (struct qeth_ipa_cmd *) data;
5332         if (cmd->hdr.return_code) {
5333                 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5334                           "Continuing\n",cmd->data.setdelvlan.vlan_id,
5335                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5336                 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5337                 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5338                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5339         }
5340         return 0;
5341 }
5342
5343 static int
5344 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5345                             enum qeth_ipa_cmds ipacmd)
5346 {
5347         struct qeth_ipa_cmd *cmd;
5348         struct qeth_cmd_buffer *iob;
5349
5350         QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5351         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5352         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5353         cmd->data.setdelvlan.vlan_id = i;
5354         return qeth_send_ipa_cmd(card, iob,
5355                                  qeth_layer2_send_setdelvlan_cb, NULL);
5356 }
5357
5358 static void
5359 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5360 {
5361         unsigned short  i;
5362
5363         QETH_DBF_TEXT(trace, 3, "L2prcvln");
5364
5365         if (!card->vlangrp)
5366                 return;
5367         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5368                 if (vlan_group_get_device(card->vlangrp, i) == NULL)
5369                         continue;
5370                 if (clear)
5371                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5372                 else
5373                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5374         }
5375 }
5376
5377 /*add_vid is layer 2 used only ....*/
5378 static void
5379 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5380 {
5381         struct qeth_card *card;
5382
5383         QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5384
5385         card = (struct qeth_card *) dev->priv;
5386         if (!card->options.layer2)
5387                 return;
5388         qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5389 }
5390
5391 /*... kill_vid used for both modes*/
5392 static void
5393 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5394 {
5395         struct qeth_card *card;
5396         unsigned long flags;
5397
5398         QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5399
5400         card = (struct qeth_card *) dev->priv;
5401         /* free all skbs for the vlan device */
5402         qeth_free_vlan_skbs(card, vid);
5403         spin_lock_irqsave(&card->vlanlock, flags);
5404         /* unregister IP addresses of vlan device */
5405         qeth_free_vlan_addresses(card, vid);
5406         vlan_group_set_device(card->vlangrp, vid, NULL);
5407         spin_unlock_irqrestore(&card->vlanlock, flags);
5408         if (card->options.layer2)
5409                 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5410         qeth_set_multicast_list(card->dev);
5411 }
5412 #endif
5413 /**
5414  * Examine hardware response to SET_PROMISC_MODE
5415  */
5416 static int
5417 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5418                             struct qeth_reply *reply,
5419                             unsigned long data)
5420 {
5421         struct qeth_ipa_cmd *cmd;
5422         struct qeth_ipacmd_setadpparms *setparms;
5423
5424         QETH_DBF_TEXT(trace,4,"prmadpcb");
5425
5426         cmd = (struct qeth_ipa_cmd *) data;
5427         setparms = &(cmd->data.setadapterparms);
5428
5429         qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5430         if (cmd->hdr.return_code) {
5431                 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5432                 setparms->data.mode = SET_PROMISC_MODE_OFF;
5433         }
5434         card->info.promisc_mode = setparms->data.mode;
5435         return 0;
5436 }
5437 /*
5438  * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5439  */
5440 static void
5441 qeth_setadp_promisc_mode(struct qeth_card *card)
5442 {
5443         enum qeth_ipa_promisc_modes mode;
5444         struct net_device *dev = card->dev;
5445         struct qeth_cmd_buffer *iob;
5446         struct qeth_ipa_cmd *cmd;
5447
5448         QETH_DBF_TEXT(trace, 4, "setprom");
5449
5450         if (((dev->flags & IFF_PROMISC) &&
5451              (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5452             (!(dev->flags & IFF_PROMISC) &&
5453              (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5454                 return;
5455         mode = SET_PROMISC_MODE_OFF;
5456         if (dev->flags & IFF_PROMISC)
5457                 mode = SET_PROMISC_MODE_ON;
5458         QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5459
5460         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5461                         sizeof(struct qeth_ipacmd_setadpparms));
5462         cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5463         cmd->data.setadapterparms.data.mode = mode;
5464         qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5465 }
5466
5467 /**
5468  * set multicast address on card
5469  */
5470 static void
5471 qeth_set_multicast_list(struct net_device *dev)
5472 {
5473         struct qeth_card *card = (struct qeth_card *) dev->priv;
5474
5475         if (card->info.type == QETH_CARD_TYPE_OSN)
5476                 return ;
5477
5478         QETH_DBF_TEXT(trace, 3, "setmulti");
5479         qeth_delete_mc_addresses(card);
5480         if (card->options.layer2) {
5481                 qeth_layer2_add_multicast(card);
5482                 goto out;
5483         }
5484         qeth_add_multicast_ipv4(card);
5485 #ifdef CONFIG_QETH_IPV6
5486         qeth_add_multicast_ipv6(card);
5487 #endif
5488 out:
5489         qeth_set_ip_addr_list(card);
5490         if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5491                 return;
5492         qeth_setadp_promisc_mode(card);
5493 }
5494
5495 static int
5496 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5497 {
5498         return 0;
5499 }
5500
5501 static void
5502 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5503 {
5504         if (dev->type == ARPHRD_IEEE802_TR)
5505                 ip_tr_mc_map(ipm, mac);
5506         else
5507                 ip_eth_mc_map(ipm, mac);
5508 }
5509
5510 static struct qeth_ipaddr *
5511 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5512 {
5513         struct qeth_ipaddr *addr;
5514
5515         addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5516         if (addr == NULL) {
5517                 PRINT_WARN("Not enough memory to add address\n");
5518                 return NULL;
5519         }
5520         addr->type = QETH_IP_TYPE_NORMAL;
5521         addr->proto = prot;
5522         return addr;
5523 }
5524
5525 int
5526 qeth_osn_assist(struct net_device *dev,
5527                 void *data,
5528                 int data_len)
5529 {
5530         struct qeth_cmd_buffer *iob;
5531         struct qeth_card *card;
5532         int rc;
5533
5534         QETH_DBF_TEXT(trace, 2, "osnsdmc");
5535         if (!dev)
5536                 return -ENODEV;
5537         card = (struct qeth_card *)dev->priv;
5538         if (!card)
5539                 return -ENODEV;
5540         if ((card->state != CARD_STATE_UP) &&
5541             (card->state != CARD_STATE_SOFTSETUP))
5542                 return -ENODEV;
5543         iob = qeth_wait_for_buffer(&card->write);
5544         memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5545         rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5546         return rc;
5547 }
5548
5549 static struct net_device *
5550 qeth_netdev_by_devno(unsigned char *read_dev_no)
5551 {
5552         struct qeth_card *card;
5553         struct net_device *ndev;
5554         unsigned char *readno;
5555         __u16 temp_dev_no, card_dev_no;
5556         char *endp;
5557         unsigned long flags;
5558
5559         ndev = NULL;
5560         memcpy(&temp_dev_no, read_dev_no, 2);
5561         read_lock_irqsave(&qeth_card_list.rwlock, flags);
5562         list_for_each_entry(card, &qeth_card_list.list, list) {
5563                 readno = CARD_RDEV_ID(card);
5564                 readno += (strlen(readno) - 4);
5565                 card_dev_no = simple_strtoul(readno, &endp, 16);
5566                 if (card_dev_no == temp_dev_no) {
5567                         ndev = card->dev;
5568                         break;
5569                 }
5570         }
5571         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5572         return ndev;
5573 }
5574
5575 int
5576 qeth_osn_register(unsigned char *read_dev_no,
5577                   struct net_device **dev,
5578                   int (*assist_cb)(struct net_device *, void *),
5579                   int (*data_cb)(struct sk_buff *))
5580 {
5581         struct qeth_card * card;
5582
5583         QETH_DBF_TEXT(trace, 2, "osnreg");
5584         *dev = qeth_netdev_by_devno(read_dev_no);
5585         if (*dev == NULL)
5586                 return -ENODEV;
5587         card = (struct qeth_card *)(*dev)->priv;
5588         if (!card)
5589                 return -ENODEV;
5590         if ((assist_cb == NULL) || (data_cb == NULL))
5591                 return -EINVAL;
5592         card->osn_info.assist_cb = assist_cb;
5593         card->osn_info.data_cb = data_cb;
5594         return 0;
5595 }
5596
5597 void
5598 qeth_osn_deregister(struct net_device * dev)
5599 {
5600         struct qeth_card *card;
5601
5602         QETH_DBF_TEXT(trace, 2, "osndereg");
5603         if (!dev)
5604                 return;
5605         card = (struct qeth_card *)dev->priv;
5606         if (!card)
5607                 return;
5608         card->osn_info.assist_cb = NULL;
5609         card->osn_info.data_cb = NULL;
5610         return;
5611 }
5612
5613 static void
5614 qeth_delete_mc_addresses(struct qeth_card *card)
5615 {
5616         struct qeth_ipaddr *iptodo;
5617         unsigned long flags;
5618
5619         QETH_DBF_TEXT(trace,4,"delmc");
5620         iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5621         if (!iptodo) {
5622                 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5623                 return;
5624         }
5625         iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5626         spin_lock_irqsave(&card->ip_lock, flags);
5627         if (!__qeth_insert_ip_todo(card, iptodo, 0))
5628                 kfree(iptodo);
5629         spin_unlock_irqrestore(&card->ip_lock, flags);
5630 }
5631
5632 static void
5633 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5634 {
5635         struct qeth_ipaddr *ipm;
5636         struct ip_mc_list *im4;
5637         char buf[MAX_ADDR_LEN];
5638
5639         QETH_DBF_TEXT(trace,4,"addmc");
5640         for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5641                 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5642                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5643                 if (!ipm)
5644                         continue;
5645                 ipm->u.a4.addr = im4->multiaddr;
5646                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5647                 ipm->is_multicast = 1;
5648                 if (!qeth_add_ip(card,ipm))
5649                         kfree(ipm);
5650         }
5651 }
5652
5653 static inline void
5654 qeth_add_vlan_mc(struct qeth_card *card)
5655 {
5656 #ifdef CONFIG_QETH_VLAN
5657         struct in_device *in_dev;
5658         struct vlan_group *vg;
5659         int i;
5660
5661         QETH_DBF_TEXT(trace,4,"addmcvl");
5662         if ( ((card->options.layer2 == 0) &&
5663               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5664              (card->vlangrp == NULL) )
5665                 return ;
5666
5667         vg = card->vlangrp;
5668         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5669                 struct net_device *netdev = vlan_group_get_device(vg, i);
5670                 if (netdev == NULL ||
5671                     !(netdev->flags & IFF_UP))
5672                         continue;
5673                 in_dev = in_dev_get(netdev);
5674                 if (!in_dev)
5675                         continue;
5676                 read_lock(&in_dev->mc_list_lock);
5677                 qeth_add_mc(card,in_dev);
5678                 read_unlock(&in_dev->mc_list_lock);
5679                 in_dev_put(in_dev);
5680         }
5681 #endif
5682 }
5683
5684 static void
5685 qeth_add_multicast_ipv4(struct qeth_card *card)
5686 {
5687         struct in_device *in4_dev;
5688
5689         QETH_DBF_TEXT(trace,4,"chkmcv4");
5690         in4_dev = in_dev_get(card->dev);
5691         if (in4_dev == NULL)
5692                 return;
5693         read_lock(&in4_dev->mc_list_lock);
5694         qeth_add_mc(card, in4_dev);
5695         qeth_add_vlan_mc(card);
5696         read_unlock(&in4_dev->mc_list_lock);
5697         in_dev_put(in4_dev);
5698 }
5699
5700 static void
5701 qeth_layer2_add_multicast(struct qeth_card *card)
5702 {
5703         struct qeth_ipaddr *ipm;
5704         struct dev_mc_list *dm;
5705
5706         QETH_DBF_TEXT(trace,4,"L2addmc");
5707         for (dm = card->dev->mc_list; dm; dm = dm->next) {
5708                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5709                 if (!ipm)
5710                         continue;
5711                 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5712                 ipm->is_multicast = 1;
5713                 if (!qeth_add_ip(card, ipm))
5714                         kfree(ipm);
5715         }
5716 }
5717
5718 #ifdef CONFIG_QETH_IPV6
5719 static void
5720 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5721 {
5722         struct qeth_ipaddr *ipm;
5723         struct ifmcaddr6 *im6;
5724         char buf[MAX_ADDR_LEN];
5725
5726         QETH_DBF_TEXT(trace,4,"addmc6");
5727         for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5728                 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5729                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5730                 if (!ipm)
5731                         continue;
5732                 ipm->is_multicast = 1;
5733                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5734                 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5735                        sizeof(struct in6_addr));
5736                 if (!qeth_add_ip(card,ipm))
5737                         kfree(ipm);
5738         }
5739 }
5740
5741 static inline void
5742 qeth_add_vlan_mc6(struct qeth_card *card)
5743 {
5744 #ifdef CONFIG_QETH_VLAN
5745         struct inet6_dev *in_dev;
5746         struct vlan_group *vg;
5747         int i;
5748
5749         QETH_DBF_TEXT(trace,4,"admc6vl");
5750         if ( ((card->options.layer2 == 0) &&
5751               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5752              (card->vlangrp == NULL))
5753                 return ;
5754
5755         vg = card->vlangrp;
5756         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5757                 struct net_device *netdev = vlan_group_get_device(vg, i);
5758                 if (netdev == NULL ||
5759                     !(netdev->flags & IFF_UP))
5760                         continue;
5761                 in_dev = in6_dev_get(netdev);
5762                 if (!in_dev)
5763                         continue;
5764                 read_lock(&in_dev->lock);
5765                 qeth_add_mc6(card,in_dev);
5766                 read_unlock(&in_dev->lock);
5767                 in6_dev_put(in_dev);
5768         }
5769 #endif /* CONFIG_QETH_VLAN */
5770 }
5771
5772 static void
5773 qeth_add_multicast_ipv6(struct qeth_card *card)
5774 {
5775         struct inet6_dev *in6_dev;
5776
5777         QETH_DBF_TEXT(trace,4,"chkmcv6");
5778         if (!qeth_is_supported(card, IPA_IPV6))
5779                 return ;
5780         in6_dev = in6_dev_get(card->dev);
5781         if (in6_dev == NULL)
5782                 return;
5783         read_lock(&in6_dev->lock);
5784         qeth_add_mc6(card, in6_dev);
5785         qeth_add_vlan_mc6(card);
5786         read_unlock(&in6_dev->lock);
5787         in6_dev_put(in6_dev);
5788 }
5789 #endif /* CONFIG_QETH_IPV6 */
5790
5791 static int
5792 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5793                            enum qeth_ipa_cmds ipacmd,
5794                            int (*reply_cb) (struct qeth_card *,
5795                                             struct qeth_reply*,
5796                                             unsigned long))
5797 {
5798         struct qeth_ipa_cmd *cmd;
5799         struct qeth_cmd_buffer *iob;
5800
5801         QETH_DBF_TEXT(trace, 2, "L2sdmac");
5802         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5803         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5804         cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5805         memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5806         return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5807 }
5808
5809 static int
5810 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5811                                 struct qeth_reply *reply,
5812                                 unsigned long data)
5813 {
5814         struct qeth_ipa_cmd *cmd;
5815         __u8 *mac;
5816
5817         QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5818         cmd = (struct qeth_ipa_cmd *) data;
5819         mac = &cmd->data.setdelmac.mac[0];
5820         /* MAC already registered, needed in couple/uncouple case */
5821         if (cmd->hdr.return_code == 0x2005) {
5822                 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5823                           "already existing on %s \n",
5824                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5825                           QETH_CARD_IFNAME(card));
5826                 cmd->hdr.return_code = 0;
5827         }
5828         if (cmd->hdr.return_code)
5829                 PRINT_ERR("Could not set group MAC " \
5830                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5831                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5832                           QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5833         return 0;
5834 }
5835
5836 static int
5837 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5838 {
5839         QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5840         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5841                                           qeth_layer2_send_setgroupmac_cb);
5842 }
5843
5844 static int
5845 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5846                                 struct qeth_reply *reply,
5847                                 unsigned long data)
5848 {
5849         struct qeth_ipa_cmd *cmd;
5850         __u8 *mac;
5851
5852         QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5853         cmd = (struct qeth_ipa_cmd *) data;
5854         mac = &cmd->data.setdelmac.mac[0];
5855         if (cmd->hdr.return_code)
5856                 PRINT_ERR("Could not delete group MAC " \
5857                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5858                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5859                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5860         return 0;
5861 }
5862
5863 static int
5864 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5865 {
5866         QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5867         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5868                                           qeth_layer2_send_delgroupmac_cb);
5869 }
5870
5871 static int
5872 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5873                            struct qeth_reply *reply,
5874                            unsigned long data)
5875 {
5876         struct qeth_ipa_cmd *cmd;
5877
5878         QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5879         cmd = (struct qeth_ipa_cmd *) data;
5880         if (cmd->hdr.return_code) {
5881                 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5882                 PRINT_WARN("Error in registering MAC address on " \
5883                            "device %s: x%x\n", CARD_BUS_ID(card),
5884                            cmd->hdr.return_code);
5885                 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5886                 cmd->hdr.return_code = -EIO;
5887         } else {
5888                 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5889                 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5890                        OSA_ADDR_LEN);
5891                 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5892                            "successfully registered on device %s\n",
5893                            card->dev->dev_addr[0], card->dev->dev_addr[1],
5894                            card->dev->dev_addr[2], card->dev->dev_addr[3],
5895                            card->dev->dev_addr[4], card->dev->dev_addr[5],
5896                            card->dev->name);
5897         }
5898         return 0;
5899 }
5900
5901 static int
5902 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5903 {
5904         QETH_DBF_TEXT(trace, 2, "L2Setmac");
5905         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5906                                           qeth_layer2_send_setmac_cb);
5907 }
5908
5909 static int
5910 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5911                            struct qeth_reply *reply,
5912                            unsigned long data)
5913 {
5914         struct qeth_ipa_cmd *cmd;
5915
5916         QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5917         cmd = (struct qeth_ipa_cmd *) data;
5918         if (cmd->hdr.return_code) {
5919                 PRINT_WARN("Error in deregistering MAC address on " \
5920                            "device %s: x%x\n", CARD_BUS_ID(card),
5921                            cmd->hdr.return_code);
5922                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5923                 cmd->hdr.return_code = -EIO;
5924                 return 0;
5925         }
5926         card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5927
5928         return 0;
5929 }
5930 static int
5931 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5932 {
5933         QETH_DBF_TEXT(trace, 2, "L2Delmac");
5934         if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5935                 return 0;
5936         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5937                                           qeth_layer2_send_delmac_cb);
5938 }
5939
5940 static int
5941 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5942 {
5943         struct sockaddr *addr = p;
5944         struct qeth_card *card;
5945         int rc = 0;
5946
5947         QETH_DBF_TEXT(trace, 3, "setmac");
5948
5949         if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5950                 QETH_DBF_TEXT(trace, 3, "setmcINV");
5951                 return -EOPNOTSUPP;
5952         }
5953         card = (struct qeth_card *) dev->priv;
5954
5955         if (!card->options.layer2) {
5956                 PRINT_WARN("Setting MAC address on %s is not supported "
5957                            "in Layer 3 mode.\n", dev->name);
5958                 QETH_DBF_TEXT(trace, 3, "setmcLY3");
5959                 return -EOPNOTSUPP;
5960         }
5961         if (card->info.type == QETH_CARD_TYPE_OSN) {
5962                 PRINT_WARN("Setting MAC address on %s is not supported.\n",
5963                            dev->name);
5964                 QETH_DBF_TEXT(trace, 3, "setmcOSN");
5965                 return -EOPNOTSUPP;
5966         }
5967         QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
5968         QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
5969         rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
5970         if (!rc)
5971                 rc = qeth_layer2_send_setmac(card, addr->sa_data);
5972         return rc;
5973 }
5974
5975 static void
5976 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
5977                         __u8 command, enum qeth_prot_versions prot)
5978 {
5979         memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
5980         cmd->hdr.command = command;
5981         cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
5982         cmd->hdr.seqno = card->seqno.ipa;
5983         cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
5984         cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
5985         if (card->options.layer2)
5986                 cmd->hdr.prim_version_no = 2;
5987         else
5988                 cmd->hdr.prim_version_no = 1;
5989         cmd->hdr.param_count = 1;
5990         cmd->hdr.prot_version = prot;
5991         cmd->hdr.ipa_supported = 0;
5992         cmd->hdr.ipa_enabled = 0;
5993 }
5994
5995 static struct qeth_cmd_buffer *
5996 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5997                        enum qeth_prot_versions prot)
5998 {
5999         struct qeth_cmd_buffer *iob;
6000         struct qeth_ipa_cmd *cmd;
6001
6002         iob = qeth_wait_for_buffer(&card->write);
6003         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6004         qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6005
6006         return iob;
6007 }
6008
6009 static int
6010 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6011 {
6012         int rc;
6013         struct qeth_cmd_buffer *iob;
6014         struct qeth_ipa_cmd *cmd;
6015
6016         QETH_DBF_TEXT(trace,4,"setdelmc");
6017
6018         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6019         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6020         memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6021         if (addr->proto == QETH_PROT_IPV6)
6022                 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6023                        sizeof(struct in6_addr));
6024         else
6025                 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6026
6027         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6028
6029         return rc;
6030 }
6031 static void
6032 qeth_fill_netmask(u8 *netmask, unsigned int len)
6033 {
6034         int i,j;
6035         for (i=0;i<16;i++) {
6036                 j=(len)-(i*8);
6037                 if (j >= 8)
6038                         netmask[i] = 0xff;
6039                 else if (j > 0)
6040                         netmask[i] = (u8)(0xFF00>>j);
6041                 else
6042                         netmask[i] = 0;
6043         }
6044 }
6045
6046 static int
6047 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6048                    int ipacmd, unsigned int flags)
6049 {
6050         int rc;
6051         struct qeth_cmd_buffer *iob;
6052         struct qeth_ipa_cmd *cmd;
6053         __u8 netmask[16];
6054
6055         QETH_DBF_TEXT(trace,4,"setdelip");
6056         QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6057
6058         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6059         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6060         if (addr->proto == QETH_PROT_IPV6) {
6061                 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6062                        sizeof(struct in6_addr));
6063                 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6064                 memcpy(cmd->data.setdelip6.mask, netmask,
6065                        sizeof(struct in6_addr));
6066                 cmd->data.setdelip6.flags = flags;
6067         } else {
6068                 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6069                 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6070                 cmd->data.setdelip4.flags = flags;
6071         }
6072
6073         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6074
6075         return rc;
6076 }
6077
6078 static int
6079 qeth_layer2_register_addr_entry(struct qeth_card *card,
6080                                 struct qeth_ipaddr *addr)
6081 {
6082         if (!addr->is_multicast)
6083                 return 0;
6084         QETH_DBF_TEXT(trace, 2, "setgmac");
6085         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6086         return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6087 }
6088
6089 static int
6090 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6091                                   struct qeth_ipaddr *addr)
6092 {
6093         if (!addr->is_multicast)
6094                 return 0;
6095         QETH_DBF_TEXT(trace, 2, "delgmac");
6096         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6097         return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6098 }
6099
6100 static int
6101 qeth_layer3_register_addr_entry(struct qeth_card *card,
6102                                 struct qeth_ipaddr *addr)
6103 {
6104         char buf[50];
6105         int rc;
6106         int cnt = 3;
6107
6108         if (addr->proto == QETH_PROT_IPV4) {
6109                 QETH_DBF_TEXT(trace, 2,"setaddr4");
6110                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6111         } else if (addr->proto == QETH_PROT_IPV6) {
6112                 QETH_DBF_TEXT(trace, 2, "setaddr6");
6113                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6114                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6115         } else {
6116                 QETH_DBF_TEXT(trace, 2, "setaddr?");
6117                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6118         }
6119         do {
6120                 if (addr->is_multicast)
6121                         rc =  qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6122                 else
6123                         rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6124                                         addr->set_flags);
6125                 if (rc)
6126                         QETH_DBF_TEXT(trace, 2, "failed");
6127         } while ((--cnt > 0) && rc);
6128         if (rc){
6129                 QETH_DBF_TEXT(trace, 2, "FAILED");
6130                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6131                 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6132                            buf, rc, rc);
6133         }
6134         return rc;
6135 }
6136
6137 static int
6138 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6139                                   struct qeth_ipaddr *addr)
6140 {
6141         //char buf[50];
6142         int rc;
6143
6144         if (addr->proto == QETH_PROT_IPV4) {
6145                 QETH_DBF_TEXT(trace, 2,"deladdr4");
6146                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6147         } else if (addr->proto == QETH_PROT_IPV6) {
6148                 QETH_DBF_TEXT(trace, 2, "deladdr6");
6149                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6150                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6151         } else {
6152                 QETH_DBF_TEXT(trace, 2, "deladdr?");
6153                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6154         }
6155         if (addr->is_multicast)
6156                 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6157         else
6158                 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6159                                         addr->del_flags);
6160         if (rc) {
6161                 QETH_DBF_TEXT(trace, 2, "failed");
6162                 /* TODO: re-activate this warning as soon as we have a
6163                  * clean mirco code
6164                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6165                 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6166                            buf, rc);
6167                 */
6168         }
6169         return rc;
6170 }
6171
6172 static int
6173 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6174 {
6175         if (card->options.layer2)
6176                 return qeth_layer2_register_addr_entry(card, addr);
6177
6178         return qeth_layer3_register_addr_entry(card, addr);
6179 }
6180
6181 static int
6182 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6183 {
6184         if (card->options.layer2)
6185                 return qeth_layer2_deregister_addr_entry(card, addr);
6186
6187         return qeth_layer3_deregister_addr_entry(card, addr);
6188 }
6189
6190 static u32
6191 qeth_ethtool_get_tx_csum(struct net_device *dev)
6192 {
6193         /* We may need to say that we support tx csum offload if
6194          * we do EDDP or TSO. There are discussions going on to
6195          * enforce rules in the stack and in ethtool that make
6196          * SG and TSO depend on HW_CSUM. At the moment there are
6197          * no such rules....
6198          * If we say yes here, we have to checksum outbound packets
6199          * any time. */
6200         return 0;
6201 }
6202
6203 static int
6204 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6205 {
6206         return -EINVAL;
6207 }
6208
6209 static u32
6210 qeth_ethtool_get_rx_csum(struct net_device *dev)
6211 {
6212         struct qeth_card *card = (struct qeth_card *)dev->priv;
6213
6214         return (card->options.checksum_type == HW_CHECKSUMMING);
6215 }
6216
6217 static int
6218 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6219 {
6220         struct qeth_card *card = (struct qeth_card *)dev->priv;
6221
6222         if ((card->state != CARD_STATE_DOWN) &&
6223             (card->state != CARD_STATE_RECOVER))
6224                 return -EPERM;
6225         if (data)
6226                 card->options.checksum_type = HW_CHECKSUMMING;
6227         else
6228                 card->options.checksum_type = SW_CHECKSUMMING;
6229         return 0;
6230 }
6231
6232 static u32
6233 qeth_ethtool_get_sg(struct net_device *dev)
6234 {
6235         struct qeth_card *card = (struct qeth_card *)dev->priv;
6236
6237         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6238                 (dev->features & NETIF_F_SG));
6239 }
6240
6241 static int
6242 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6243 {
6244         struct qeth_card *card = (struct qeth_card *)dev->priv;
6245
6246         if (data) {
6247                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6248                         dev->features |= NETIF_F_SG;
6249                 else {
6250                         dev->features &= ~NETIF_F_SG;
6251                         return -EINVAL;
6252                 }
6253         } else
6254                 dev->features &= ~NETIF_F_SG;
6255         return 0;
6256 }
6257
6258 static u32
6259 qeth_ethtool_get_tso(struct net_device *dev)
6260 {
6261         struct qeth_card *card = (struct qeth_card *)dev->priv;
6262
6263         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6264                 (dev->features & NETIF_F_TSO));
6265 }
6266
6267 static int
6268 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6269 {
6270         struct qeth_card *card = (struct qeth_card *)dev->priv;
6271
6272         if (data) {
6273                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6274                         dev->features |= NETIF_F_TSO;
6275                 else {
6276                         dev->features &= ~NETIF_F_TSO;
6277                         return -EINVAL;
6278                 }
6279         } else
6280                 dev->features &= ~NETIF_F_TSO;
6281         return 0;
6282 }
6283
6284 static struct ethtool_ops qeth_ethtool_ops = {
6285         .get_tx_csum = qeth_ethtool_get_tx_csum,
6286         .set_tx_csum = qeth_ethtool_set_tx_csum,
6287         .get_rx_csum = qeth_ethtool_get_rx_csum,
6288         .set_rx_csum = qeth_ethtool_set_rx_csum,
6289         .get_sg      = qeth_ethtool_get_sg,
6290         .set_sg      = qeth_ethtool_set_sg,
6291         .get_tso     = qeth_ethtool_get_tso,
6292         .set_tso     = qeth_ethtool_set_tso,
6293 };
6294
6295 static int
6296 qeth_hard_header_parse(struct sk_buff *skb, unsigned char *haddr)
6297 {
6298         struct qeth_card *card;
6299         struct ethhdr *eth;
6300
6301         card = qeth_get_card_from_dev(skb->dev);
6302         if (card->options.layer2)
6303                 goto haveheader;
6304 #ifdef CONFIG_QETH_IPV6
6305         /* cause of the manipulated arp constructor and the ARP
6306            flag for OSAE devices we have some nasty exceptions */
6307         if (card->info.type == QETH_CARD_TYPE_OSAE) {
6308                 if (!card->options.fake_ll) {
6309                         if ((skb->pkt_type==PACKET_OUTGOING) &&
6310                             (skb->protocol==ETH_P_IPV6))
6311                                 goto haveheader;
6312                         else
6313                                 return 0;
6314                 } else {
6315                         if ((skb->pkt_type==PACKET_OUTGOING) &&
6316                             (skb->protocol==ETH_P_IP))
6317                                 return 0;
6318                         else
6319                                 goto haveheader;
6320                 }
6321         }
6322 #endif
6323         if (!card->options.fake_ll)
6324                 return 0;
6325 haveheader:
6326         eth = eth_hdr(skb);
6327         memcpy(haddr, eth->h_source, ETH_ALEN);
6328         return ETH_ALEN;
6329 }
6330
6331 static int
6332 qeth_netdev_init(struct net_device *dev)
6333 {
6334         struct qeth_card *card;
6335
6336         card = (struct qeth_card *) dev->priv;
6337
6338         QETH_DBF_TEXT(trace,3,"initdev");
6339
6340         dev->tx_timeout = &qeth_tx_timeout;
6341         dev->watchdog_timeo = QETH_TX_TIMEOUT;
6342         dev->open = qeth_open;
6343         dev->stop = qeth_stop;
6344         dev->hard_start_xmit = qeth_hard_start_xmit;
6345         dev->do_ioctl = qeth_do_ioctl;
6346         dev->get_stats = qeth_get_stats;
6347         dev->change_mtu = qeth_change_mtu;
6348         dev->neigh_setup = qeth_neigh_setup;
6349         dev->set_multicast_list = qeth_set_multicast_list;
6350 #ifdef CONFIG_QETH_VLAN
6351         dev->vlan_rx_register = qeth_vlan_rx_register;
6352         dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6353         dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6354 #endif
6355         if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6356                 dev->rebuild_header = NULL;
6357                 dev->hard_header = NULL;
6358                 dev->header_cache_update = NULL;
6359                 dev->hard_header_cache = NULL;
6360         }
6361 #ifdef CONFIG_QETH_IPV6
6362         /*IPv6 address autoconfiguration stuff*/
6363         if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6364                 card->dev->dev_id = card->info.unique_id & 0xffff;
6365 #endif
6366         if (card->options.fake_ll &&
6367                 (qeth_get_netdev_flags(card) & IFF_NOARP))
6368                         dev->hard_header = qeth_fake_header;
6369         if (dev->type == ARPHRD_IEEE802_TR)
6370                 dev->hard_header_parse = NULL;
6371         else
6372                 dev->hard_header_parse = qeth_hard_header_parse;
6373         dev->set_mac_address = qeth_layer2_set_mac_address;
6374         dev->flags |= qeth_get_netdev_flags(card);
6375         if ((card->options.fake_broadcast) ||
6376             (card->info.broadcast_capable))
6377                 dev->flags |= IFF_BROADCAST;
6378         dev->hard_header_len =
6379                         qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6380         dev->addr_len = OSA_ADDR_LEN;
6381         dev->mtu = card->info.initial_mtu;
6382         if (card->info.type != QETH_CARD_TYPE_OSN)
6383                 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6384         SET_MODULE_OWNER(dev);
6385         return 0;
6386 }
6387
6388 static void
6389 qeth_init_func_level(struct qeth_card *card)
6390 {
6391         if (card->ipato.enabled) {
6392                 if (card->info.type == QETH_CARD_TYPE_IQD)
6393                                 card->info.func_level =
6394                                         QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6395                 else
6396                                 card->info.func_level =
6397                                         QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6398         } else {
6399                 if (card->info.type == QETH_CARD_TYPE_IQD)
6400                 /*FIXME:why do we have same values for  dis and ena for osae??? */
6401                         card->info.func_level =
6402                                 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6403                 else
6404                         card->info.func_level =
6405                                 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6406         }
6407 }
6408
6409 /**
6410  * hardsetup card, initialize MPC and QDIO stuff
6411  */
6412 static int
6413 qeth_hardsetup_card(struct qeth_card *card)
6414 {
6415         int retries = 3;
6416         int rc;
6417
6418         QETH_DBF_TEXT(setup, 2, "hrdsetup");
6419
6420 retry:
6421         if (retries < 3){
6422                 PRINT_WARN("Retrying to do IDX activates.\n");
6423                 ccw_device_set_offline(CARD_DDEV(card));
6424                 ccw_device_set_offline(CARD_WDEV(card));
6425                 ccw_device_set_offline(CARD_RDEV(card));
6426                 ccw_device_set_online(CARD_RDEV(card));
6427                 ccw_device_set_online(CARD_WDEV(card));
6428                 ccw_device_set_online(CARD_DDEV(card));
6429         }
6430         rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6431         if (rc == -ERESTARTSYS) {
6432                 QETH_DBF_TEXT(setup, 2, "break1");
6433                 return rc;
6434         } else if (rc) {
6435                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6436                 if (--retries < 0)
6437                         goto out;
6438                 else
6439                         goto retry;
6440         }
6441         if ((rc = qeth_get_unitaddr(card))){
6442                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6443                 return rc;
6444         }
6445         qeth_init_tokens(card);
6446         qeth_init_func_level(card);
6447         rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6448         if (rc == -ERESTARTSYS) {
6449                 QETH_DBF_TEXT(setup, 2, "break2");
6450                 return rc;
6451         } else if (rc) {
6452                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6453                 if (--retries < 0)
6454                         goto out;
6455                 else
6456                         goto retry;
6457         }
6458         rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6459         if (rc == -ERESTARTSYS) {
6460                 QETH_DBF_TEXT(setup, 2, "break3");
6461                 return rc;
6462         } else if (rc) {
6463                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6464                 if (--retries < 0)
6465                         goto out;
6466                 else
6467                         goto retry;
6468         }
6469         if ((rc = qeth_mpc_initialize(card))){
6470                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6471                 goto out;
6472         }
6473         /*network device will be recovered*/
6474         if (card->dev) {
6475                 card->dev->hard_header = card->orig_hard_header;
6476                 if (card->options.fake_ll &&
6477                     (qeth_get_netdev_flags(card) & IFF_NOARP))
6478                         card->dev->hard_header = qeth_fake_header;
6479                 return 0;
6480         }
6481         /* at first set_online allocate netdev */
6482         card->dev = qeth_get_netdevice(card->info.type,
6483                                        card->info.link_type);
6484         if (!card->dev){
6485                 qeth_qdio_clear_card(card, card->info.type !=
6486                                      QETH_CARD_TYPE_IQD);
6487                 rc = -ENODEV;
6488                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6489                 goto out;
6490         }
6491         card->dev->priv = card;
6492         card->orig_hard_header = card->dev->hard_header;
6493         card->dev->type = qeth_get_arphdr_type(card->info.type,
6494                                                card->info.link_type);
6495         card->dev->init = qeth_netdev_init;
6496         return 0;
6497 out:
6498         PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6499         return rc;
6500 }
6501
6502 static int
6503 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6504                             unsigned long data)
6505 {
6506         struct qeth_ipa_cmd *cmd;
6507
6508         QETH_DBF_TEXT(trace,4,"defadpcb");
6509
6510         cmd = (struct qeth_ipa_cmd *) data;
6511         if (cmd->hdr.return_code == 0){
6512                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6513                 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6514                         card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6515 #ifdef CONFIG_QETH_IPV6
6516                 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6517                         card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6518 #endif
6519         }
6520         if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6521             cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6522                 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6523                 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6524         }
6525         return 0;
6526 }
6527
6528 static int
6529 qeth_default_setadapterparms_cb(struct qeth_card *card,
6530                                 struct qeth_reply *reply,
6531                                 unsigned long data)
6532 {
6533         struct qeth_ipa_cmd *cmd;
6534
6535         QETH_DBF_TEXT(trace,4,"defadpcb");
6536
6537         cmd = (struct qeth_ipa_cmd *) data;
6538         if (cmd->hdr.return_code == 0)
6539                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6540         return 0;
6541 }
6542
6543
6544
6545 static int
6546 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6547                               unsigned long data)
6548 {
6549         struct qeth_ipa_cmd *cmd;
6550
6551         QETH_DBF_TEXT(trace,3,"quyadpcb");
6552
6553         cmd = (struct qeth_ipa_cmd *) data;
6554         if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6555                 card->info.link_type =
6556                       cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6557         card->options.adp.supported_funcs =
6558                 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6559         return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6560 }
6561
6562 static int
6563 qeth_query_setadapterparms(struct qeth_card *card)
6564 {
6565         int rc;
6566         struct qeth_cmd_buffer *iob;
6567
6568         QETH_DBF_TEXT(trace,3,"queryadp");
6569         iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6570                                    sizeof(struct qeth_ipacmd_setadpparms));
6571         rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6572         return rc;
6573 }
6574
6575 static int
6576 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6577                                    struct qeth_reply *reply,
6578                                    unsigned long data)
6579 {
6580         struct qeth_ipa_cmd *cmd;
6581
6582         QETH_DBF_TEXT(trace,4,"chgmaccb");
6583
6584         cmd = (struct qeth_ipa_cmd *) data;
6585         if (!card->options.layer2 || card->info.guestlan ||
6586             !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6587                 memcpy(card->dev->dev_addr,
6588                        &cmd->data.setadapterparms.data.change_addr.addr,
6589                        OSA_ADDR_LEN);
6590                 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6591         }
6592         qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6593         return 0;
6594 }
6595
6596 static int
6597 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6598 {
6599         int rc;
6600         struct qeth_cmd_buffer *iob;
6601         struct qeth_ipa_cmd *cmd;
6602
6603         QETH_DBF_TEXT(trace,4,"chgmac");
6604
6605         iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6606                                    sizeof(struct qeth_ipacmd_setadpparms));
6607         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6608         cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6609         cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6610         memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6611                card->dev->dev_addr, OSA_ADDR_LEN);
6612         rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6613                                NULL);
6614         return rc;
6615 }
6616
6617 static int
6618 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6619 {
6620         int rc;
6621         struct qeth_cmd_buffer *iob;
6622         struct qeth_ipa_cmd *cmd;
6623
6624         QETH_DBF_TEXT(trace,4,"adpmode");
6625
6626         iob = qeth_get_adapter_cmd(card, command,
6627                                    sizeof(struct qeth_ipacmd_setadpparms));
6628         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6629         cmd->data.setadapterparms.data.mode = mode;
6630         rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6631                                NULL);
6632         return rc;
6633 }
6634
6635 static int
6636 qeth_setadapter_hstr(struct qeth_card *card)
6637 {
6638         int rc;
6639
6640         QETH_DBF_TEXT(trace,4,"adphstr");
6641
6642         if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6643                 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6644                                            card->options.broadcast_mode);
6645                 if (rc)
6646                         PRINT_WARN("couldn't set broadcast mode on "
6647                                    "device %s: x%x\n",
6648                                    CARD_BUS_ID(card), rc);
6649                 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6650                                            card->options.macaddr_mode);
6651                 if (rc)
6652                         PRINT_WARN("couldn't set macaddr mode on "
6653                                    "device %s: x%x\n", CARD_BUS_ID(card), rc);
6654                 return rc;
6655         }
6656         if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6657                 PRINT_WARN("set adapter parameters not available "
6658                            "to set broadcast mode, using ALLRINGS "
6659                            "on device %s:\n", CARD_BUS_ID(card));
6660         if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6661                 PRINT_WARN("set adapter parameters not available "
6662                            "to set macaddr mode, using NONCANONICAL "
6663                            "on device %s:\n", CARD_BUS_ID(card));
6664         return 0;
6665 }
6666
6667 static int
6668 qeth_setadapter_parms(struct qeth_card *card)
6669 {
6670         int rc;
6671
6672         QETH_DBF_TEXT(setup, 2, "setadprm");
6673
6674         if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6675                 PRINT_WARN("set adapter parameters not supported "
6676                            "on device %s.\n",
6677                            CARD_BUS_ID(card));
6678                 QETH_DBF_TEXT(setup, 2, " notsupp");
6679                 return 0;
6680         }
6681         rc = qeth_query_setadapterparms(card);
6682         if (rc) {
6683                 PRINT_WARN("couldn't set adapter parameters on device %s: "
6684                            "x%x\n", CARD_BUS_ID(card), rc);
6685                 return rc;
6686         }
6687         if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6688                 rc = qeth_setadpparms_change_macaddr(card);
6689                 if (rc)
6690                         PRINT_WARN("couldn't get MAC address on "
6691                                    "device %s: x%x\n",
6692                                    CARD_BUS_ID(card), rc);
6693         }
6694
6695         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6696             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6697                 rc = qeth_setadapter_hstr(card);
6698
6699         return rc;
6700 }
6701
6702 static int
6703 qeth_layer2_initialize(struct qeth_card *card)
6704 {
6705         int rc = 0;
6706
6707
6708         QETH_DBF_TEXT(setup, 2, "doL2init");
6709         QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6710
6711         rc = qeth_query_setadapterparms(card);
6712         if (rc) {
6713                 PRINT_WARN("could not query adapter parameters on device %s: "
6714                            "x%x\n", CARD_BUS_ID(card), rc);
6715         }
6716
6717         rc = qeth_setadpparms_change_macaddr(card);
6718         if (rc) {
6719                 PRINT_WARN("couldn't get MAC address on "
6720                            "device %s: x%x\n",
6721                            CARD_BUS_ID(card), rc);
6722                 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6723                 return rc;
6724         }
6725         QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6726
6727         rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6728         if (rc)
6729                 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6730         return 0;
6731 }
6732
6733
6734 static int
6735 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6736                        enum qeth_prot_versions prot)
6737 {
6738         int rc;
6739         struct qeth_cmd_buffer *iob;
6740
6741         iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6742         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6743
6744         return rc;
6745 }
6746
6747 static int
6748 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6749 {
6750         int rc;
6751
6752         QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6753
6754         rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6755         return rc;
6756 }
6757
6758 static int
6759 qeth_send_stoplan(struct qeth_card *card)
6760 {
6761         int rc = 0;
6762
6763         /*
6764          * TODO: according to the IPA format document page 14,
6765          * TCP/IP (we!) never issue a STOPLAN
6766          * is this right ?!?
6767          */
6768         QETH_DBF_TEXT(trace, 2, "stoplan");
6769
6770         rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6771         return rc;
6772 }
6773
6774 static int
6775 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6776                         unsigned long data)
6777 {
6778         struct qeth_ipa_cmd *cmd;
6779
6780         QETH_DBF_TEXT(setup, 2, "qipasscb");
6781
6782         cmd = (struct qeth_ipa_cmd *) data;
6783         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6784                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6785                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6786                 /* Disable IPV6 support hard coded for Hipersockets */
6787                 if(card->info.type == QETH_CARD_TYPE_IQD)
6788                         card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6789         } else {
6790 #ifdef CONFIG_QETH_IPV6
6791                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6792                 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6793 #endif
6794         }
6795         QETH_DBF_TEXT(setup, 2, "suppenbl");
6796         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6797         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6798         return 0;
6799 }
6800
6801 static int
6802 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6803 {
6804         int rc;
6805         struct qeth_cmd_buffer *iob;
6806
6807         QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6808         if (card->options.layer2) {
6809                 QETH_DBF_TEXT(setup, 2, "noprmly2");
6810                 return -EPERM;
6811         }
6812
6813         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6814         rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6815         return rc;
6816 }
6817
6818 static struct qeth_cmd_buffer *
6819 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6820                          __u16 cmd_code, __u16 len,
6821                          enum qeth_prot_versions prot)
6822 {
6823         struct qeth_cmd_buffer *iob;
6824         struct qeth_ipa_cmd *cmd;
6825
6826         QETH_DBF_TEXT(trace,4,"getasscm");
6827         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6828
6829         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6830         cmd->data.setassparms.hdr.assist_no = ipa_func;
6831         cmd->data.setassparms.hdr.length = 8 + len;
6832         cmd->data.setassparms.hdr.command_code = cmd_code;
6833         cmd->data.setassparms.hdr.return_code = 0;
6834         cmd->data.setassparms.hdr.seq_no = 0;
6835
6836         return iob;
6837 }
6838
6839 static int
6840 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6841                       __u16 len, long data,
6842                       int (*reply_cb)
6843                       (struct qeth_card *,struct qeth_reply *,unsigned long),
6844                       void *reply_param)
6845 {
6846         int rc;
6847         struct qeth_ipa_cmd *cmd;
6848
6849         QETH_DBF_TEXT(trace,4,"sendassp");
6850
6851         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6852         if (len <= sizeof(__u32))
6853                 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6854         else   /* (len > sizeof(__u32)) */
6855                 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6856
6857         rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6858         return rc;
6859 }
6860
6861 #ifdef CONFIG_QETH_IPV6
6862 static int
6863 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6864                                   enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6865
6866 {
6867         int rc;
6868         struct qeth_cmd_buffer *iob;
6869
6870         QETH_DBF_TEXT(trace,4,"simassp6");
6871         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6872                                        0, QETH_PROT_IPV6);
6873         rc = qeth_send_setassparms(card, iob, 0, 0,
6874                                    qeth_default_setassparms_cb, NULL);
6875         return rc;
6876 }
6877 #endif
6878
6879 static int
6880 qeth_send_simple_setassparms(struct qeth_card *card,
6881                              enum qeth_ipa_funcs ipa_func,
6882                              __u16 cmd_code, long data)
6883 {
6884         int rc;
6885         int length = 0;
6886         struct qeth_cmd_buffer *iob;
6887
6888         QETH_DBF_TEXT(trace,4,"simassp4");
6889         if (data)
6890                 length = sizeof(__u32);
6891         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6892                                        length, QETH_PROT_IPV4);
6893         rc = qeth_send_setassparms(card, iob, length, data,
6894                                    qeth_default_setassparms_cb, NULL);
6895         return rc;
6896 }
6897
6898 static int
6899 qeth_start_ipa_arp_processing(struct qeth_card *card)
6900 {
6901         int rc;
6902
6903         QETH_DBF_TEXT(trace,3,"ipaarp");
6904
6905         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6906                 PRINT_WARN("ARP processing not supported "
6907                            "on %s!\n", QETH_CARD_IFNAME(card));
6908                 return 0;
6909         }
6910         rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6911                                           IPA_CMD_ASS_START, 0);
6912         if (rc) {
6913                 PRINT_WARN("Could not start ARP processing "
6914                            "assist on %s: 0x%x\n",
6915                            QETH_CARD_IFNAME(card), rc);
6916         }
6917         return rc;
6918 }
6919
6920 static int
6921 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6922 {
6923         int rc;
6924
6925         QETH_DBF_TEXT(trace,3,"ipaipfrg");
6926
6927         if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6928                 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6929                            QETH_CARD_IFNAME(card));
6930                 return  -EOPNOTSUPP;
6931         }
6932
6933         rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6934                                           IPA_CMD_ASS_START, 0);
6935         if (rc) {
6936                 PRINT_WARN("Could not start Hardware IP fragmentation "
6937                            "assist on %s: 0x%x\n",
6938                            QETH_CARD_IFNAME(card), rc);
6939         } else
6940                 PRINT_INFO("Hardware IP fragmentation enabled \n");
6941         return rc;
6942 }
6943
6944 static int
6945 qeth_start_ipa_source_mac(struct qeth_card *card)
6946 {
6947         int rc;
6948
6949         QETH_DBF_TEXT(trace,3,"stsrcmac");
6950
6951         if (!card->options.fake_ll)
6952                 return -EOPNOTSUPP;
6953
6954         if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6955                 PRINT_INFO("Inbound source address not "
6956                            "supported on %s\n", QETH_CARD_IFNAME(card));
6957                 return -EOPNOTSUPP;
6958         }
6959
6960         rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6961                                           IPA_CMD_ASS_START, 0);
6962         if (rc)
6963                 PRINT_WARN("Could not start inbound source "
6964                            "assist on %s: 0x%x\n",
6965                            QETH_CARD_IFNAME(card), rc);
6966         return rc;
6967 }
6968
6969 static int
6970 qeth_start_ipa_vlan(struct qeth_card *card)
6971 {
6972         int rc = 0;
6973
6974         QETH_DBF_TEXT(trace,3,"strtvlan");
6975
6976 #ifdef CONFIG_QETH_VLAN
6977         if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6978                 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6979                 return -EOPNOTSUPP;
6980         }
6981
6982         rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6983                                           IPA_CMD_ASS_START,0);
6984         if (rc) {
6985                 PRINT_WARN("Could not start vlan "
6986                            "assist on %s: 0x%x\n",
6987                            QETH_CARD_IFNAME(card), rc);
6988         } else {
6989                 PRINT_INFO("VLAN enabled \n");
6990                 card->dev->features |=
6991                         NETIF_F_HW_VLAN_FILTER |
6992                         NETIF_F_HW_VLAN_TX |
6993                         NETIF_F_HW_VLAN_RX;
6994         }
6995 #endif /* QETH_VLAN */
6996         return rc;
6997 }
6998
6999 static int
7000 qeth_start_ipa_multicast(struct qeth_card *card)
7001 {
7002         int rc;
7003
7004         QETH_DBF_TEXT(trace,3,"stmcast");
7005
7006         if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7007                 PRINT_WARN("Multicast not supported on %s\n",
7008                            QETH_CARD_IFNAME(card));
7009                 return -EOPNOTSUPP;
7010         }
7011
7012         rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7013                                           IPA_CMD_ASS_START,0);
7014         if (rc) {
7015                 PRINT_WARN("Could not start multicast "
7016                            "assist on %s: rc=%i\n",
7017                            QETH_CARD_IFNAME(card), rc);
7018         } else {
7019                 PRINT_INFO("Multicast enabled\n");
7020                 card->dev->flags |= IFF_MULTICAST;
7021         }
7022         return rc;
7023 }
7024
7025 #ifdef CONFIG_QETH_IPV6
7026 static int
7027 qeth_softsetup_ipv6(struct qeth_card *card)
7028 {
7029         int rc;
7030
7031         QETH_DBF_TEXT(trace,3,"softipv6");
7032
7033         rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7034         if (rc) {
7035                 PRINT_ERR("IPv6 startlan failed on %s\n",
7036                           QETH_CARD_IFNAME(card));
7037                 return rc;
7038         }
7039         rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7040         if (rc) {
7041                 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7042                           QETH_CARD_IFNAME(card));
7043                 return rc;
7044         }
7045         rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7046                                           IPA_CMD_ASS_START, 3);
7047         if (rc) {
7048                 PRINT_WARN("IPv6 start assist (version 4) failed "
7049                            "on %s: 0x%x\n",
7050                            QETH_CARD_IFNAME(card), rc);
7051                 return rc;
7052         }
7053         rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7054                                                IPA_CMD_ASS_START);
7055         if (rc) {
7056                 PRINT_WARN("IPV6 start assist (version 6) failed  "
7057                            "on %s: 0x%x\n",
7058                            QETH_CARD_IFNAME(card), rc);
7059                 return rc;
7060         }
7061         rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7062                                                IPA_CMD_ASS_START);
7063         if (rc) {
7064                 PRINT_WARN("Could not enable passthrough "
7065                            "on %s: 0x%x\n",
7066                            QETH_CARD_IFNAME(card), rc);
7067                 return rc;
7068         }
7069         PRINT_INFO("IPV6 enabled \n");
7070         return 0;
7071 }
7072
7073 #endif
7074
7075 static int
7076 qeth_start_ipa_ipv6(struct qeth_card *card)
7077 {
7078         int rc = 0;
7079 #ifdef CONFIG_QETH_IPV6
7080         QETH_DBF_TEXT(trace,3,"strtipv6");
7081
7082         if (!qeth_is_supported(card, IPA_IPV6)) {
7083                 PRINT_WARN("IPv6 not supported on %s\n",
7084                            QETH_CARD_IFNAME(card));
7085                 return 0;
7086         }
7087         rc = qeth_softsetup_ipv6(card);
7088 #endif
7089         return rc ;
7090 }
7091
7092 static int
7093 qeth_start_ipa_broadcast(struct qeth_card *card)
7094 {
7095         int rc;
7096
7097         QETH_DBF_TEXT(trace,3,"stbrdcst");
7098         card->info.broadcast_capable = 0;
7099         if (!qeth_is_supported(card, IPA_FILTERING)) {
7100                 PRINT_WARN("Broadcast not supported on %s\n",
7101                            QETH_CARD_IFNAME(card));
7102                 rc = -EOPNOTSUPP;
7103                 goto out;
7104         }
7105         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7106                                           IPA_CMD_ASS_START, 0);
7107         if (rc) {
7108                 PRINT_WARN("Could not enable broadcasting filtering "
7109                            "on %s: 0x%x\n",
7110                            QETH_CARD_IFNAME(card), rc);
7111                 goto out;
7112         }
7113
7114         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7115                                           IPA_CMD_ASS_CONFIGURE, 1);
7116         if (rc) {
7117                 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7118                            QETH_CARD_IFNAME(card), rc);
7119                 goto out;
7120         }
7121         card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7122         PRINT_INFO("Broadcast enabled \n");
7123         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7124                                           IPA_CMD_ASS_ENABLE, 1);
7125         if (rc) {
7126                 PRINT_WARN("Could not set up broadcast echo filtering on "
7127                            "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7128                 goto out;
7129         }
7130         card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7131 out:
7132         if (card->info.broadcast_capable)
7133                 card->dev->flags |= IFF_BROADCAST;
7134         else
7135                 card->dev->flags &= ~IFF_BROADCAST;
7136         return rc;
7137 }
7138
7139 static int
7140 qeth_send_checksum_command(struct qeth_card *card)
7141 {
7142         int rc;
7143
7144         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7145                                           IPA_CMD_ASS_START, 0);
7146         if (rc) {
7147                 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7148                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7149                            QETH_CARD_IFNAME(card), rc);
7150                 return rc;
7151         }
7152         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7153                                           IPA_CMD_ASS_ENABLE,
7154                                           card->info.csum_mask);
7155         if (rc) {
7156                 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7157                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7158                            QETH_CARD_IFNAME(card), rc);
7159                 return rc;
7160         }
7161         return 0;
7162 }
7163
7164 static int
7165 qeth_start_ipa_checksum(struct qeth_card *card)
7166 {
7167         int rc = 0;
7168
7169         QETH_DBF_TEXT(trace,3,"strtcsum");
7170
7171         if (card->options.checksum_type == NO_CHECKSUMMING) {
7172                 PRINT_WARN("Using no checksumming on %s.\n",
7173                            QETH_CARD_IFNAME(card));
7174                 return 0;
7175         }
7176         if (card->options.checksum_type == SW_CHECKSUMMING) {
7177                 PRINT_WARN("Using SW checksumming on %s.\n",
7178                            QETH_CARD_IFNAME(card));
7179                 return 0;
7180         }
7181         if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7182                 PRINT_WARN("Inbound HW Checksumming not "
7183                            "supported on %s,\ncontinuing "
7184                            "using Inbound SW Checksumming\n",
7185                            QETH_CARD_IFNAME(card));
7186                 card->options.checksum_type = SW_CHECKSUMMING;
7187                 return 0;
7188         }
7189         rc = qeth_send_checksum_command(card);
7190         if (!rc) {
7191                 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7192         }
7193         return rc;
7194 }
7195
7196 static int
7197 qeth_start_ipa_tso(struct qeth_card *card)
7198 {
7199         int rc;
7200
7201         QETH_DBF_TEXT(trace,3,"sttso");
7202
7203         if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7204                 PRINT_WARN("Outbound TSO not supported on %s\n",
7205                            QETH_CARD_IFNAME(card));
7206                 rc = -EOPNOTSUPP;
7207         } else {
7208                 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7209                                                   IPA_CMD_ASS_START,0);
7210                 if (rc)
7211                         PRINT_WARN("Could not start outbound TSO "
7212                                    "assist on %s: rc=%i\n",
7213                                    QETH_CARD_IFNAME(card), rc);
7214                 else
7215                         PRINT_INFO("Outbound TSO enabled\n");
7216         }
7217         if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7218                 card->options.large_send = QETH_LARGE_SEND_NO;
7219                 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7220         }
7221         return rc;
7222 }
7223
7224 static int
7225 qeth_start_ipassists(struct qeth_card *card)
7226 {
7227         QETH_DBF_TEXT(trace,3,"strtipas");
7228         qeth_start_ipa_arp_processing(card);    /* go on*/
7229         qeth_start_ipa_ip_fragmentation(card);  /* go on*/
7230         qeth_start_ipa_source_mac(card);        /* go on*/
7231         qeth_start_ipa_vlan(card);              /* go on*/
7232         qeth_start_ipa_multicast(card);         /* go on*/
7233         qeth_start_ipa_ipv6(card);              /* go on*/
7234         qeth_start_ipa_broadcast(card);         /* go on*/
7235         qeth_start_ipa_checksum(card);          /* go on*/
7236         qeth_start_ipa_tso(card);               /* go on*/
7237         return 0;
7238 }
7239
7240 static int
7241 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7242                      enum qeth_prot_versions prot)
7243 {
7244         int rc;
7245         struct qeth_ipa_cmd *cmd;
7246         struct qeth_cmd_buffer *iob;
7247
7248         QETH_DBF_TEXT(trace,4,"setroutg");
7249         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7250         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7251         cmd->data.setrtg.type = (type);
7252         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7253
7254         return rc;
7255
7256 }
7257
7258 static void
7259 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7260                         enum qeth_prot_versions prot)
7261 {
7262         if (card->info.type == QETH_CARD_TYPE_IQD) {
7263                 switch (*type) {
7264                 case NO_ROUTER:
7265                 case PRIMARY_CONNECTOR:
7266                 case SECONDARY_CONNECTOR:
7267                 case MULTICAST_ROUTER:
7268                         return;
7269                 default:
7270                         goto out_inval;
7271                 }
7272         } else {
7273                 switch (*type) {
7274                 case NO_ROUTER:
7275                 case PRIMARY_ROUTER:
7276                 case SECONDARY_ROUTER:
7277                         return;
7278                 case MULTICAST_ROUTER:
7279                         if (qeth_is_ipafunc_supported(card, prot,
7280                                                       IPA_OSA_MC_ROUTER))
7281                                 return;
7282                 default:
7283                         goto out_inval;
7284                 }
7285         }
7286 out_inval:
7287         PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7288                    "Router status set to 'no router'.\n",
7289                    ((*type == PRIMARY_ROUTER)? "primary router" :
7290                     (*type == SECONDARY_ROUTER)? "secondary router" :
7291                     (*type == PRIMARY_CONNECTOR)? "primary connector" :
7292                     (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7293                     (*type == MULTICAST_ROUTER)? "multicast router" :
7294                     "unknown"),
7295                    card->dev->name);
7296         *type = NO_ROUTER;
7297 }
7298
7299 int
7300 qeth_setrouting_v4(struct qeth_card *card)
7301 {
7302         int rc;
7303
7304         QETH_DBF_TEXT(trace,3,"setrtg4");
7305
7306         qeth_correct_routing_type(card, &card->options.route4.type,
7307                                   QETH_PROT_IPV4);
7308
7309         rc = qeth_send_setrouting(card, card->options.route4.type,
7310                                   QETH_PROT_IPV4);
7311         if (rc) {
7312                 card->options.route4.type = NO_ROUTER;
7313                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7314                            "Type set to 'no router'.\n",
7315                            rc, QETH_CARD_IFNAME(card));
7316         }
7317         return rc;
7318 }
7319
7320 int
7321 qeth_setrouting_v6(struct qeth_card *card)
7322 {
7323         int rc = 0;
7324
7325         QETH_DBF_TEXT(trace,3,"setrtg6");
7326 #ifdef CONFIG_QETH_IPV6
7327
7328         if (!qeth_is_supported(card, IPA_IPV6))
7329                 return 0;
7330         qeth_correct_routing_type(card, &card->options.route6.type,
7331                                   QETH_PROT_IPV6);
7332
7333         rc = qeth_send_setrouting(card, card->options.route6.type,
7334                                   QETH_PROT_IPV6);
7335         if (rc) {
7336                 card->options.route6.type = NO_ROUTER;
7337                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7338                            "Type set to 'no router'.\n",
7339                            rc, QETH_CARD_IFNAME(card));
7340         }
7341 #endif
7342         return rc;
7343 }
7344
7345 int
7346 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7347 {
7348         int rc = 0;
7349
7350         if (card->dev == NULL) {
7351                 card->options.large_send = type;
7352                 return 0;
7353         }
7354         if (card->state == CARD_STATE_UP)
7355                 netif_tx_disable(card->dev);
7356         card->options.large_send = type;
7357         switch (card->options.large_send) {
7358         case QETH_LARGE_SEND_EDDP:
7359                 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7360                 break;
7361         case QETH_LARGE_SEND_TSO:
7362                 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7363                         card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7364                 } else {
7365                         PRINT_WARN("TSO not supported on %s. "
7366                                    "large_send set to 'no'.\n",
7367                                    card->dev->name);
7368                         card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7369                         card->options.large_send = QETH_LARGE_SEND_NO;
7370                         rc = -EOPNOTSUPP;
7371                 }
7372                 break;
7373         default: /* includes QETH_LARGE_SEND_NO */
7374                 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7375                 break;
7376         }
7377         if (card->state == CARD_STATE_UP)
7378                 netif_wake_queue(card->dev);
7379         return rc;
7380 }
7381
7382 /*
7383  * softsetup card: init IPA stuff
7384  */
7385 static int
7386 qeth_softsetup_card(struct qeth_card *card)
7387 {
7388         int rc;
7389
7390         QETH_DBF_TEXT(setup, 2, "softsetp");
7391
7392         if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7393                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7394                 if (rc == 0xe080){
7395                         PRINT_WARN("LAN on card %s if offline! "
7396                                    "Continuing softsetup.\n",
7397                                    CARD_BUS_ID(card));
7398                         card->lan_online = 0;
7399                 } else
7400                         return rc;
7401         } else
7402                 card->lan_online = 1;
7403         if (card->info.type==QETH_CARD_TYPE_OSN)
7404                 goto out;
7405         qeth_set_large_send(card, card->options.large_send);
7406         if (card->options.layer2) {
7407                 card->dev->features |=
7408                         NETIF_F_HW_VLAN_FILTER |
7409                         NETIF_F_HW_VLAN_TX |
7410                         NETIF_F_HW_VLAN_RX;
7411                 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7412                 card->info.broadcast_capable=1;
7413                 if ((rc = qeth_layer2_initialize(card))) {
7414                         QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7415                         return rc;
7416                 }
7417 #ifdef CONFIG_QETH_VLAN
7418                 qeth_layer2_process_vlans(card, 0);
7419 #endif
7420                 goto out;
7421         }
7422         if ((rc = qeth_setadapter_parms(card)))
7423                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7424         if ((rc = qeth_start_ipassists(card)))
7425                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7426         if ((rc = qeth_setrouting_v4(card)))
7427                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7428         if ((rc = qeth_setrouting_v6(card)))
7429                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7430 out:
7431         netif_tx_disable(card->dev);
7432         return 0;
7433 }
7434
7435 #ifdef CONFIG_QETH_IPV6
7436 static int
7437 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7438                       unsigned long data)
7439 {
7440         struct qeth_ipa_cmd *cmd;
7441
7442         cmd = (struct qeth_ipa_cmd *) data;
7443         if (cmd->hdr.return_code == 0)
7444                 card->info.unique_id = *((__u16 *)
7445                                 &cmd->data.create_destroy_addr.unique_id[6]);
7446         else {
7447                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7448                                         UNIQUE_ID_NOT_BY_CARD;
7449                 PRINT_WARN("couldn't get a unique id from the card on device "
7450                            "%s (result=x%x), using default id. ipv6 "
7451                            "autoconfig on other lpars may lead to duplicate "
7452                            "ip addresses. please use manually "
7453                            "configured ones.\n",
7454                            CARD_BUS_ID(card), cmd->hdr.return_code);
7455         }
7456         return 0;
7457 }
7458 #endif
7459
7460 static int
7461 qeth_put_unique_id(struct qeth_card *card)
7462 {
7463
7464         int rc = 0;
7465 #ifdef CONFIG_QETH_IPV6
7466         struct qeth_cmd_buffer *iob;
7467         struct qeth_ipa_cmd *cmd;
7468
7469         QETH_DBF_TEXT(trace,2,"puniqeid");
7470
7471         if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7472                 UNIQUE_ID_NOT_BY_CARD)
7473                 return -1;
7474         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7475                                      QETH_PROT_IPV6);
7476         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7477         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7478                             card->info.unique_id;
7479         memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7480                card->dev->dev_addr, OSA_ADDR_LEN);
7481         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7482 #else
7483         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7484                                 UNIQUE_ID_NOT_BY_CARD;
7485 #endif
7486         return rc;
7487 }
7488
7489 /**
7490  * Clear IP List
7491  */
7492 static void
7493 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7494 {
7495         struct qeth_ipaddr *addr, *tmp;
7496         unsigned long flags;
7497
7498         QETH_DBF_TEXT(trace,4,"clearip");
7499         spin_lock_irqsave(&card->ip_lock, flags);
7500         /* clear todo list */
7501         list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7502                 list_del(&addr->entry);
7503                 kfree(addr);
7504         }
7505
7506         while (!list_empty(&card->ip_list)) {
7507                 addr = list_entry(card->ip_list.next,
7508                                   struct qeth_ipaddr, entry);
7509                 list_del_init(&addr->entry);
7510                 if (clean) {
7511                         spin_unlock_irqrestore(&card->ip_lock, flags);
7512                         qeth_deregister_addr_entry(card, addr);
7513                         spin_lock_irqsave(&card->ip_lock, flags);
7514                 }
7515                 if (!recover || addr->is_multicast) {
7516                         kfree(addr);
7517                         continue;
7518                 }
7519                 list_add_tail(&addr->entry, card->ip_tbd_list);
7520         }
7521         spin_unlock_irqrestore(&card->ip_lock, flags);
7522 }
7523
7524 static void
7525 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7526                          int clear_start_mask)
7527 {
7528         unsigned long flags;
7529
7530         spin_lock_irqsave(&card->thread_mask_lock, flags);
7531         card->thread_allowed_mask = threads;
7532         if (clear_start_mask)
7533                 card->thread_start_mask &= threads;
7534         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7535         wake_up(&card->wait_q);
7536 }
7537
7538 static int
7539 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7540 {
7541         unsigned long flags;
7542         int rc = 0;
7543
7544         spin_lock_irqsave(&card->thread_mask_lock, flags);
7545         rc = (card->thread_running_mask & threads);
7546         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7547         return rc;
7548 }
7549
7550 static int
7551 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7552 {
7553         return wait_event_interruptible(card->wait_q,
7554                         qeth_threads_running(card, threads) == 0);
7555 }
7556
7557 static int
7558 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7559 {
7560         int rc = 0;
7561
7562         QETH_DBF_TEXT(setup ,2,"stopcard");
7563         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7564
7565         qeth_set_allowed_threads(card, 0, 1);
7566         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7567                 return -ERESTARTSYS;
7568         if (card->read.state == CH_STATE_UP &&
7569             card->write.state == CH_STATE_UP &&
7570             (card->state == CARD_STATE_UP)) {
7571                 if (recovery_mode &&
7572                     card->info.type != QETH_CARD_TYPE_OSN) {
7573                         qeth_stop(card->dev);
7574                 } else {
7575                         rtnl_lock();
7576                         dev_close(card->dev);
7577                         rtnl_unlock();
7578                 }
7579                 if (!card->use_hard_stop) {
7580                         __u8 *mac = &card->dev->dev_addr[0];
7581                         rc = qeth_layer2_send_delmac(card, mac);
7582                         QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7583                         if ((rc = qeth_send_stoplan(card)))
7584                                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7585                 }
7586                 card->state = CARD_STATE_SOFTSETUP;
7587         }
7588         if (card->state == CARD_STATE_SOFTSETUP) {
7589 #ifdef CONFIG_QETH_VLAN
7590                 if (card->options.layer2)
7591                         qeth_layer2_process_vlans(card, 1);
7592 #endif
7593                 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7594                 qeth_clear_ipacmd_list(card);
7595                 card->state = CARD_STATE_HARDSETUP;
7596         }
7597         if (card->state == CARD_STATE_HARDSETUP) {
7598                 if ((!card->use_hard_stop) &&
7599                     (!card->options.layer2))
7600                         if ((rc = qeth_put_unique_id(card)))
7601                                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7602                 qeth_qdio_clear_card(card, 0);
7603                 qeth_clear_qdio_buffers(card);
7604                 qeth_clear_working_pool_list(card);
7605                 card->state = CARD_STATE_DOWN;
7606         }
7607         if (card->state == CARD_STATE_DOWN) {
7608                 qeth_clear_cmd_buffers(&card->read);
7609                 qeth_clear_cmd_buffers(&card->write);
7610         }
7611         card->use_hard_stop = 0;
7612         return rc;
7613 }
7614
7615
7616 static int
7617 qeth_get_unique_id(struct qeth_card *card)
7618 {
7619         int rc = 0;
7620 #ifdef CONFIG_QETH_IPV6
7621         struct qeth_cmd_buffer *iob;
7622         struct qeth_ipa_cmd *cmd;
7623
7624         QETH_DBF_TEXT(setup, 2, "guniqeid");
7625
7626         if (!qeth_is_supported(card,IPA_IPV6)) {
7627                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7628                                         UNIQUE_ID_NOT_BY_CARD;
7629                 return 0;
7630         }
7631
7632         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7633                                      QETH_PROT_IPV6);
7634         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7635         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7636                             card->info.unique_id;
7637
7638         rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7639 #else
7640         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7641                                 UNIQUE_ID_NOT_BY_CARD;
7642 #endif
7643         return rc;
7644 }
7645 static void
7646 qeth_print_status_with_portname(struct qeth_card *card)
7647 {
7648         char dbf_text[15];
7649         int i;
7650
7651         sprintf(dbf_text, "%s", card->info.portname + 1);
7652         for (i = 0; i < 8; i++)
7653                 dbf_text[i] =
7654                         (char) _ebcasc[(__u8) dbf_text[i]];
7655         dbf_text[8] = 0;
7656         printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7657                "with link type %s (portname: %s)\n",
7658                CARD_RDEV_ID(card),
7659                CARD_WDEV_ID(card),
7660                CARD_DDEV_ID(card),
7661                qeth_get_cardname(card),
7662                (card->info.mcl_level[0]) ? " (level: " : "",
7663                (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7664                (card->info.mcl_level[0]) ? ")" : "",
7665                qeth_get_cardname_short(card),
7666                dbf_text);
7667
7668 }
7669
7670 static void
7671 qeth_print_status_no_portname(struct qeth_card *card)
7672 {
7673         if (card->info.portname[0])
7674                 printk("qeth: Device %s/%s/%s is a%s "
7675                        "card%s%s%s\nwith link type %s "
7676                        "(no portname needed by interface).\n",
7677                        CARD_RDEV_ID(card),
7678                        CARD_WDEV_ID(card),
7679                        CARD_DDEV_ID(card),
7680                        qeth_get_cardname(card),
7681                        (card->info.mcl_level[0]) ? " (level: " : "",
7682                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7683                        (card->info.mcl_level[0]) ? ")" : "",
7684                        qeth_get_cardname_short(card));
7685         else
7686                 printk("qeth: Device %s/%s/%s is a%s "
7687                        "card%s%s%s\nwith link type %s.\n",
7688                        CARD_RDEV_ID(card),
7689                        CARD_WDEV_ID(card),
7690                        CARD_DDEV_ID(card),
7691                        qeth_get_cardname(card),
7692                        (card->info.mcl_level[0]) ? " (level: " : "",
7693                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7694                        (card->info.mcl_level[0]) ? ")" : "",
7695                        qeth_get_cardname_short(card));
7696 }
7697
7698 static void
7699 qeth_print_status_message(struct qeth_card *card)
7700 {
7701         switch (card->info.type) {
7702         case QETH_CARD_TYPE_OSAE:
7703                 /* VM will use a non-zero first character
7704                  * to indicate a HiperSockets like reporting
7705                  * of the level OSA sets the first character to zero
7706                  * */
7707                 if (!card->info.mcl_level[0]) {
7708                         sprintf(card->info.mcl_level,"%02x%02x",
7709                                 card->info.mcl_level[2],
7710                                 card->info.mcl_level[3]);
7711
7712                         card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7713                         break;
7714                 }
7715                 /* fallthrough */
7716         case QETH_CARD_TYPE_IQD:
7717                 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7718                         card->info.mcl_level[0]];
7719                 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7720                         card->info.mcl_level[1]];
7721                 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7722                         card->info.mcl_level[2]];
7723                 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7724                         card->info.mcl_level[3]];
7725                 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7726                 break;
7727         default:
7728                 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7729         }
7730         if (card->info.portname_required)
7731                 qeth_print_status_with_portname(card);
7732         else
7733                 qeth_print_status_no_portname(card);
7734 }
7735
7736 static int
7737 qeth_register_netdev(struct qeth_card *card)
7738 {
7739         QETH_DBF_TEXT(setup, 3, "regnetd");
7740         if (card->dev->reg_state != NETREG_UNINITIALIZED)
7741                 return 0;
7742         /* sysfs magic */
7743         SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7744         return register_netdev(card->dev);
7745 }
7746
7747 static void
7748 qeth_start_again(struct qeth_card *card, int recovery_mode)
7749 {
7750         QETH_DBF_TEXT(setup ,2, "startag");
7751
7752         if (recovery_mode &&
7753             card->info.type != QETH_CARD_TYPE_OSN) {
7754                 qeth_open(card->dev);
7755         } else {
7756                 rtnl_lock();
7757                 dev_open(card->dev);
7758                 rtnl_unlock();
7759         }
7760         /* this also sets saved unicast addresses */
7761         qeth_set_multicast_list(card->dev);
7762 }
7763
7764
7765 /* Layer 2 specific stuff */
7766 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7767         if (card->options.option == value) { \
7768                 PRINT_ERR("%s not supported with layer 2 " \
7769                           "functionality, ignoring option on read" \
7770                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7771                 card->options.option = reset_value; \
7772         }
7773 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7774         if (card->options.option != value) { \
7775                 PRINT_ERR("%s not supported with layer 2 " \
7776                           "functionality, ignoring option on read" \
7777                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7778                 card->options.option = reset_value; \
7779         }
7780
7781
7782 static void qeth_make_parameters_consistent(struct qeth_card *card)
7783 {
7784
7785         if (card->options.layer2 == 0)
7786                 return;
7787         if (card->info.type == QETH_CARD_TYPE_OSN)
7788                 return;
7789         if (card->info.type == QETH_CARD_TYPE_IQD) {
7790                 PRINT_ERR("Device %s does not support layer 2 functionality." \
7791                           " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7792                 card->options.layer2 = 0;
7793                 return;
7794         }
7795         IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7796                          "Routing options are");
7797 #ifdef CONFIG_QETH_IPV6
7798         IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7799                          "Routing options are");
7800 #endif
7801         IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7802                         QETH_CHECKSUM_DEFAULT,
7803                         "Checksumming options are");
7804         IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7805                          QETH_TR_BROADCAST_ALLRINGS,
7806                          "Broadcast mode options are");
7807         IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7808                          QETH_TR_MACADDR_NONCANONICAL,
7809                          "Canonical MAC addr options are");
7810         IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7811                          "Broadcast faking options are");
7812         IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7813                          DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7814         IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7815 }
7816
7817
7818 static int
7819 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7820 {
7821         struct qeth_card *card = gdev->dev.driver_data;
7822         int rc = 0;
7823         enum qeth_card_states recover_flag;
7824
7825         BUG_ON(!card);
7826         QETH_DBF_TEXT(setup ,2, "setonlin");
7827         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7828
7829         qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7830         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7831                 PRINT_WARN("set_online of card %s interrupted by user!\n",
7832                            CARD_BUS_ID(card));
7833                 return -ERESTARTSYS;
7834         }
7835
7836         recover_flag = card->state;
7837         if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7838             (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7839             (rc = ccw_device_set_online(CARD_DDEV(card)))){
7840                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7841                 return -EIO;
7842         }
7843
7844         qeth_make_parameters_consistent(card);
7845
7846         if ((rc = qeth_hardsetup_card(card))){
7847                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7848                 goto out_remove;
7849         }
7850         card->state = CARD_STATE_HARDSETUP;
7851
7852         if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7853                 rc = qeth_get_unique_id(card);
7854
7855         if (rc && card->options.layer2 == 0) {
7856                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7857                 goto out_remove;
7858         }
7859         qeth_print_status_message(card);
7860         if ((rc = qeth_register_netdev(card))){
7861                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7862                 goto out_remove;
7863         }
7864         if ((rc = qeth_softsetup_card(card))){
7865                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7866                 goto out_remove;
7867         }
7868
7869         if ((rc = qeth_init_qdio_queues(card))){
7870                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7871                 goto out_remove;
7872         }
7873         card->state = CARD_STATE_SOFTSETUP;
7874         netif_carrier_on(card->dev);
7875
7876         qeth_set_allowed_threads(card, 0xffffffff, 0);
7877         if (recover_flag == CARD_STATE_RECOVER)
7878                 qeth_start_again(card, recovery_mode);
7879         qeth_notify_processes();
7880         return 0;
7881 out_remove:
7882         card->use_hard_stop = 1;
7883         qeth_stop_card(card, 0);
7884         ccw_device_set_offline(CARD_DDEV(card));
7885         ccw_device_set_offline(CARD_WDEV(card));
7886         ccw_device_set_offline(CARD_RDEV(card));
7887         if (recover_flag == CARD_STATE_RECOVER)
7888                 card->state = CARD_STATE_RECOVER;
7889         else
7890                 card->state = CARD_STATE_DOWN;
7891         return -ENODEV;
7892 }
7893
7894 static int
7895 qeth_set_online(struct ccwgroup_device *gdev)
7896 {
7897         return __qeth_set_online(gdev, 0);
7898 }
7899
7900 static struct ccw_device_id qeth_ids[] = {
7901         {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
7902         {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
7903         {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
7904         {},
7905 };
7906 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7907
7908 struct device *qeth_root_dev = NULL;
7909
7910 struct ccwgroup_driver qeth_ccwgroup_driver = {
7911         .owner = THIS_MODULE,
7912         .name = "qeth",
7913         .driver_id = 0xD8C5E3C8,
7914         .probe = qeth_probe_device,
7915         .remove = qeth_remove_device,
7916         .set_online = qeth_set_online,
7917         .set_offline = qeth_set_offline,
7918 };
7919
7920 struct ccw_driver qeth_ccw_driver = {
7921         .name = "qeth",
7922         .ids = qeth_ids,
7923         .probe = ccwgroup_probe_ccwdev,
7924         .remove = ccwgroup_remove_ccwdev,
7925 };
7926
7927
7928 static void
7929 qeth_unregister_dbf_views(void)
7930 {
7931         if (qeth_dbf_setup)
7932                 debug_unregister(qeth_dbf_setup);
7933         if (qeth_dbf_qerr)
7934                 debug_unregister(qeth_dbf_qerr);
7935         if (qeth_dbf_sense)
7936                 debug_unregister(qeth_dbf_sense);
7937         if (qeth_dbf_misc)
7938                 debug_unregister(qeth_dbf_misc);
7939         if (qeth_dbf_data)
7940                 debug_unregister(qeth_dbf_data);
7941         if (qeth_dbf_control)
7942                 debug_unregister(qeth_dbf_control);
7943         if (qeth_dbf_trace)
7944                 debug_unregister(qeth_dbf_trace);
7945 }
7946 static int
7947 qeth_register_dbf_views(void)
7948 {
7949         qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7950                                         QETH_DBF_SETUP_PAGES,
7951                                         QETH_DBF_SETUP_NR_AREAS,
7952                                         QETH_DBF_SETUP_LEN);
7953         qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7954                                        QETH_DBF_MISC_PAGES,
7955                                        QETH_DBF_MISC_NR_AREAS,
7956                                        QETH_DBF_MISC_LEN);
7957         qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7958                                        QETH_DBF_DATA_PAGES,
7959                                        QETH_DBF_DATA_NR_AREAS,
7960                                        QETH_DBF_DATA_LEN);
7961         qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7962                                           QETH_DBF_CONTROL_PAGES,
7963                                           QETH_DBF_CONTROL_NR_AREAS,
7964                                           QETH_DBF_CONTROL_LEN);
7965         qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7966                                         QETH_DBF_SENSE_PAGES,
7967                                         QETH_DBF_SENSE_NR_AREAS,
7968                                         QETH_DBF_SENSE_LEN);
7969         qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7970                                        QETH_DBF_QERR_PAGES,
7971                                        QETH_DBF_QERR_NR_AREAS,
7972                                        QETH_DBF_QERR_LEN);
7973         qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7974                                         QETH_DBF_TRACE_PAGES,
7975                                         QETH_DBF_TRACE_NR_AREAS,
7976                                         QETH_DBF_TRACE_LEN);
7977
7978         if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL)    ||
7979             (qeth_dbf_data == NULL)  || (qeth_dbf_control == NULL) ||
7980             (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL)    ||
7981             (qeth_dbf_trace == NULL)) {
7982                 qeth_unregister_dbf_views();
7983                 return -ENOMEM;
7984         }
7985         debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7986         debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7987
7988         debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7989         debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7990
7991         debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7992         debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7993
7994         debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7995         debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
7996
7997         debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
7998         debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
7999
8000         debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8001         debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8002
8003         debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8004         debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8005
8006         return 0;
8007 }
8008
8009 #ifdef CONFIG_QETH_IPV6
8010 extern struct neigh_table arp_tbl;
8011 static struct neigh_ops *arp_direct_ops;
8012 static int (*qeth_old_arp_constructor) (struct neighbour *);
8013
8014 static struct neigh_ops arp_direct_ops_template = {
8015         .family = AF_INET,
8016         .solicit = NULL,
8017         .error_report = NULL,
8018         .output = dev_queue_xmit,
8019         .connected_output = dev_queue_xmit,
8020         .hh_output = dev_queue_xmit,
8021         .queue_xmit = dev_queue_xmit
8022 };
8023
8024 static int
8025 qeth_arp_constructor(struct neighbour *neigh)
8026 {
8027         struct net_device *dev = neigh->dev;
8028         struct in_device *in_dev;
8029         struct neigh_parms *parms;
8030         struct qeth_card *card;
8031
8032         card = qeth_get_card_from_dev(dev);
8033         if (card == NULL)
8034                 goto out;
8035         if((card->options.layer2) ||
8036            (card->dev->hard_header == qeth_fake_header))
8037                 goto out;
8038
8039         rcu_read_lock();
8040         in_dev = __in_dev_get_rcu(dev);
8041         if (in_dev == NULL) {
8042                 rcu_read_unlock();
8043                 return -EINVAL;
8044         }
8045
8046         parms = in_dev->arp_parms;
8047         __neigh_parms_put(neigh->parms);
8048         neigh->parms = neigh_parms_clone(parms);
8049         rcu_read_unlock();
8050
8051         neigh->type = inet_addr_type(*(__be32 *) neigh->primary_key);
8052         neigh->nud_state = NUD_NOARP;
8053         neigh->ops = arp_direct_ops;
8054         neigh->output = neigh->ops->queue_xmit;
8055         return 0;
8056 out:
8057         return qeth_old_arp_constructor(neigh);
8058 }
8059 #endif  /*CONFIG_QETH_IPV6*/
8060
8061 /*
8062  * IP address takeover related functions
8063  */
8064 static void
8065 qeth_clear_ipato_list(struct qeth_card *card)
8066 {
8067         struct qeth_ipato_entry *ipatoe, *tmp;
8068         unsigned long flags;
8069
8070         spin_lock_irqsave(&card->ip_lock, flags);
8071         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8072                 list_del(&ipatoe->entry);
8073                 kfree(ipatoe);
8074         }
8075         spin_unlock_irqrestore(&card->ip_lock, flags);
8076 }
8077
8078 int
8079 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8080 {
8081         struct qeth_ipato_entry *ipatoe;
8082         unsigned long flags;
8083         int rc = 0;
8084
8085         QETH_DBF_TEXT(trace, 2, "addipato");
8086         spin_lock_irqsave(&card->ip_lock, flags);
8087         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8088                 if (ipatoe->proto != new->proto)
8089                         continue;
8090                 if (!memcmp(ipatoe->addr, new->addr,
8091                             (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8092                     (ipatoe->mask_bits == new->mask_bits)){
8093                         PRINT_WARN("ipato entry already exists!\n");
8094                         rc = -EEXIST;
8095                         break;
8096                 }
8097         }
8098         if (!rc) {
8099                 list_add_tail(&new->entry, &card->ipato.entries);
8100         }
8101         spin_unlock_irqrestore(&card->ip_lock, flags);
8102         return rc;
8103 }
8104
8105 void
8106 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8107                      u8 *addr, int mask_bits)
8108 {
8109         struct qeth_ipato_entry *ipatoe, *tmp;
8110         unsigned long flags;
8111
8112         QETH_DBF_TEXT(trace, 2, "delipato");
8113         spin_lock_irqsave(&card->ip_lock, flags);
8114         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8115                 if (ipatoe->proto != proto)
8116                         continue;
8117                 if (!memcmp(ipatoe->addr, addr,
8118                             (proto == QETH_PROT_IPV4)? 4:16) &&
8119                     (ipatoe->mask_bits == mask_bits)){
8120                         list_del(&ipatoe->entry);
8121                         kfree(ipatoe);
8122                 }
8123         }
8124         spin_unlock_irqrestore(&card->ip_lock, flags);
8125 }
8126
8127 static void
8128 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8129 {
8130         int i, j;
8131         u8 octet;
8132
8133         for (i = 0; i < len; ++i){
8134                 octet = addr[i];
8135                 for (j = 7; j >= 0; --j){
8136                         bits[i*8 + j] = octet & 1;
8137                         octet >>= 1;
8138                 }
8139         }
8140 }
8141
8142 static int
8143 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8144 {
8145         struct qeth_ipato_entry *ipatoe;
8146         u8 addr_bits[128] = {0, };
8147         u8 ipatoe_bits[128] = {0, };
8148         int rc = 0;
8149
8150         if (!card->ipato.enabled)
8151                 return 0;
8152
8153         qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8154                                   (addr->proto == QETH_PROT_IPV4)? 4:16);
8155         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8156                 if (addr->proto != ipatoe->proto)
8157                         continue;
8158                 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8159                                           (ipatoe->proto==QETH_PROT_IPV4) ?
8160                                           4:16);
8161                 if (addr->proto == QETH_PROT_IPV4)
8162                         rc = !memcmp(addr_bits, ipatoe_bits,
8163                                      min(32, ipatoe->mask_bits));
8164                 else
8165                         rc = !memcmp(addr_bits, ipatoe_bits,
8166                                      min(128, ipatoe->mask_bits));
8167                 if (rc)
8168                         break;
8169         }
8170         /* invert? */
8171         if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8172                 rc = !rc;
8173         else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8174                 rc = !rc;
8175
8176         return rc;
8177 }
8178
8179 /*
8180  * VIPA related functions
8181  */
8182 int
8183 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8184               const u8 *addr)
8185 {
8186         struct qeth_ipaddr *ipaddr;
8187         unsigned long flags;
8188         int rc = 0;
8189
8190         ipaddr = qeth_get_addr_buffer(proto);
8191         if (ipaddr){
8192                 if (proto == QETH_PROT_IPV4){
8193                         QETH_DBF_TEXT(trace, 2, "addvipa4");
8194                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8195                         ipaddr->u.a4.mask = 0;
8196 #ifdef CONFIG_QETH_IPV6
8197                 } else if (proto == QETH_PROT_IPV6){
8198                         QETH_DBF_TEXT(trace, 2, "addvipa6");
8199                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8200                         ipaddr->u.a6.pfxlen = 0;
8201 #endif
8202                 }
8203                 ipaddr->type = QETH_IP_TYPE_VIPA;
8204                 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8205                 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8206         } else
8207                 return -ENOMEM;
8208         spin_lock_irqsave(&card->ip_lock, flags);
8209         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8210             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8211                 rc = -EEXIST;
8212         spin_unlock_irqrestore(&card->ip_lock, flags);
8213         if (rc){
8214                 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8215                 return rc;
8216         }
8217         if (!qeth_add_ip(card, ipaddr))
8218                 kfree(ipaddr);
8219         qeth_set_ip_addr_list(card);
8220         return rc;
8221 }
8222
8223 void
8224 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8225               const u8 *addr)
8226 {
8227         struct qeth_ipaddr *ipaddr;
8228
8229         ipaddr = qeth_get_addr_buffer(proto);
8230         if (ipaddr){
8231                 if (proto == QETH_PROT_IPV4){
8232                         QETH_DBF_TEXT(trace, 2, "delvipa4");
8233                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8234                         ipaddr->u.a4.mask = 0;
8235 #ifdef CONFIG_QETH_IPV6
8236                 } else if (proto == QETH_PROT_IPV6){
8237                         QETH_DBF_TEXT(trace, 2, "delvipa6");
8238                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8239                         ipaddr->u.a6.pfxlen = 0;
8240 #endif
8241                 }
8242                 ipaddr->type = QETH_IP_TYPE_VIPA;
8243         } else
8244                 return;
8245         if (!qeth_delete_ip(card, ipaddr))
8246                 kfree(ipaddr);
8247         qeth_set_ip_addr_list(card);
8248 }
8249
8250 /*
8251  * proxy ARP related functions
8252  */
8253 int
8254 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8255               const u8 *addr)
8256 {
8257         struct qeth_ipaddr *ipaddr;
8258         unsigned long flags;
8259         int rc = 0;
8260
8261         ipaddr = qeth_get_addr_buffer(proto);
8262         if (ipaddr){
8263                 if (proto == QETH_PROT_IPV4){
8264                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8265                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8266                         ipaddr->u.a4.mask = 0;
8267 #ifdef CONFIG_QETH_IPV6
8268                 } else if (proto == QETH_PROT_IPV6){
8269                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8270                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8271                         ipaddr->u.a6.pfxlen = 0;
8272 #endif
8273                 }
8274                 ipaddr->type = QETH_IP_TYPE_RXIP;
8275                 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8276                 ipaddr->del_flags = 0;
8277         } else
8278                 return -ENOMEM;
8279         spin_lock_irqsave(&card->ip_lock, flags);
8280         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8281             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8282                 rc = -EEXIST;
8283         spin_unlock_irqrestore(&card->ip_lock, flags);
8284         if (rc){
8285                 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8286                 return rc;
8287         }
8288         if (!qeth_add_ip(card, ipaddr))
8289                 kfree(ipaddr);
8290         qeth_set_ip_addr_list(card);
8291         return 0;
8292 }
8293
8294 void
8295 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8296               const u8 *addr)
8297 {
8298         struct qeth_ipaddr *ipaddr;
8299
8300         ipaddr = qeth_get_addr_buffer(proto);
8301         if (ipaddr){
8302                 if (proto == QETH_PROT_IPV4){
8303                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8304                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8305                         ipaddr->u.a4.mask = 0;
8306 #ifdef CONFIG_QETH_IPV6
8307                 } else if (proto == QETH_PROT_IPV6){
8308                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8309                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8310                         ipaddr->u.a6.pfxlen = 0;
8311 #endif
8312                 }
8313                 ipaddr->type = QETH_IP_TYPE_RXIP;
8314         } else
8315                 return;
8316         if (!qeth_delete_ip(card, ipaddr))
8317                 kfree(ipaddr);
8318         qeth_set_ip_addr_list(card);
8319 }
8320
8321 /**
8322  * IP event handler
8323  */
8324 static int
8325 qeth_ip_event(struct notifier_block *this,
8326               unsigned long event,void *ptr)
8327 {
8328         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8329         struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8330         struct qeth_ipaddr *addr;
8331         struct qeth_card *card;
8332
8333         QETH_DBF_TEXT(trace,3,"ipevent");
8334         card = qeth_get_card_from_dev(dev);
8335         if (!card)
8336                 return NOTIFY_DONE;
8337         if (card->options.layer2)
8338                 return NOTIFY_DONE;
8339
8340         addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8341         if (addr != NULL) {
8342                 addr->u.a4.addr = ifa->ifa_address;
8343                 addr->u.a4.mask = ifa->ifa_mask;
8344                 addr->type = QETH_IP_TYPE_NORMAL;
8345         } else
8346                 goto out;
8347
8348         switch(event) {
8349         case NETDEV_UP:
8350                 if (!qeth_add_ip(card, addr))
8351                         kfree(addr);
8352                 break;
8353         case NETDEV_DOWN:
8354                 if (!qeth_delete_ip(card, addr))
8355                         kfree(addr);
8356                 break;
8357         default:
8358                 break;
8359         }
8360         qeth_set_ip_addr_list(card);
8361 out:
8362         return NOTIFY_DONE;
8363 }
8364
8365 static struct notifier_block qeth_ip_notifier = {
8366         qeth_ip_event,
8367         NULL,
8368 };
8369
8370 #ifdef CONFIG_QETH_IPV6
8371 /**
8372  * IPv6 event handler
8373  */
8374 static int
8375 qeth_ip6_event(struct notifier_block *this,
8376               unsigned long event,void *ptr)
8377 {
8378
8379         struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8380         struct net_device *dev = (struct net_device *)ifa->idev->dev;
8381         struct qeth_ipaddr *addr;
8382         struct qeth_card *card;
8383
8384         QETH_DBF_TEXT(trace,3,"ip6event");
8385
8386         card = qeth_get_card_from_dev(dev);
8387         if (!card)
8388                 return NOTIFY_DONE;
8389         if (!qeth_is_supported(card, IPA_IPV6))
8390                 return NOTIFY_DONE;
8391
8392         addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8393         if (addr != NULL) {
8394                 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8395                 addr->u.a6.pfxlen = ifa->prefix_len;
8396                 addr->type = QETH_IP_TYPE_NORMAL;
8397         } else
8398                 goto out;
8399
8400         switch(event) {
8401         case NETDEV_UP:
8402                 if (!qeth_add_ip(card, addr))
8403                         kfree(addr);
8404                 break;
8405         case NETDEV_DOWN:
8406                 if (!qeth_delete_ip(card, addr))
8407                         kfree(addr);
8408                 break;
8409         default:
8410                 break;
8411         }
8412         qeth_set_ip_addr_list(card);
8413 out:
8414         return NOTIFY_DONE;
8415 }
8416
8417 static struct notifier_block qeth_ip6_notifier = {
8418         qeth_ip6_event,
8419         NULL,
8420 };
8421 #endif
8422
8423 static int
8424 __qeth_reboot_event_card(struct device *dev, void *data)
8425 {
8426         struct qeth_card *card;
8427
8428         card = (struct qeth_card *) dev->driver_data;
8429         qeth_clear_ip_list(card, 0, 0);
8430         qeth_qdio_clear_card(card, 0);
8431         return 0;
8432 }
8433
8434 static int
8435 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8436 {
8437         int ret;
8438
8439         ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8440                                      __qeth_reboot_event_card);
8441         return ret ? NOTIFY_BAD : NOTIFY_DONE;
8442 }
8443
8444
8445 static struct notifier_block qeth_reboot_notifier = {
8446         qeth_reboot_event,
8447         NULL,
8448 };
8449
8450 static int
8451 qeth_register_notifiers(void)
8452 {
8453         int r;
8454
8455         QETH_DBF_TEXT(trace,5,"regnotif");
8456         if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8457                 return r;
8458         if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8459                 goto out_reboot;
8460 #ifdef CONFIG_QETH_IPV6
8461         if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8462                 goto out_ipv4;
8463 #endif
8464         return 0;
8465
8466 #ifdef CONFIG_QETH_IPV6
8467 out_ipv4:
8468         unregister_inetaddr_notifier(&qeth_ip_notifier);
8469 #endif
8470 out_reboot:
8471         unregister_reboot_notifier(&qeth_reboot_notifier);
8472         return r;
8473 }
8474
8475 /**
8476  * unregister all event notifiers
8477  */
8478 static void
8479 qeth_unregister_notifiers(void)
8480 {
8481
8482         QETH_DBF_TEXT(trace,5,"unregnot");
8483         BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8484         BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8485 #ifdef CONFIG_QETH_IPV6
8486         BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8487 #endif /* QETH_IPV6 */
8488
8489 }
8490
8491 #ifdef CONFIG_QETH_IPV6
8492 static int
8493 qeth_ipv6_init(void)
8494 {
8495         qeth_old_arp_constructor = arp_tbl.constructor;
8496         write_lock_bh(&arp_tbl.lock);
8497         arp_tbl.constructor = qeth_arp_constructor;
8498         write_unlock_bh(&arp_tbl.lock);
8499
8500         arp_direct_ops = (struct neigh_ops*)
8501                 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8502         if (!arp_direct_ops)
8503                 return -ENOMEM;
8504
8505         memcpy(arp_direct_ops, &arp_direct_ops_template,
8506                sizeof(struct neigh_ops));
8507
8508         return 0;
8509 }
8510
8511 static void
8512 qeth_ipv6_uninit(void)
8513 {
8514         write_lock_bh(&arp_tbl.lock);
8515         arp_tbl.constructor = qeth_old_arp_constructor;
8516         write_unlock_bh(&arp_tbl.lock);
8517         kfree(arp_direct_ops);
8518 }
8519 #endif /* CONFIG_QETH_IPV6 */
8520
8521 static void
8522 qeth_sysfs_unregister(void)
8523 {
8524         s390_root_dev_unregister(qeth_root_dev);
8525         qeth_remove_driver_attributes();
8526         ccw_driver_unregister(&qeth_ccw_driver);
8527         ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8528 }
8529
8530 /**
8531  * register qeth at sysfs
8532  */
8533 static int
8534 qeth_sysfs_register(void)
8535 {
8536         int rc;
8537
8538         rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8539         if (rc)
8540                 goto out;
8541
8542         rc = ccw_driver_register(&qeth_ccw_driver);
8543         if (rc)
8544                 goto out_ccw_driver;
8545
8546         rc = qeth_create_driver_attributes();
8547         if (rc)
8548                 goto out_qeth_attr;
8549
8550         qeth_root_dev = s390_root_dev_register("qeth");
8551         rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0;
8552         if (!rc)
8553                 goto out;
8554
8555         qeth_remove_driver_attributes();
8556 out_qeth_attr:
8557         ccw_driver_unregister(&qeth_ccw_driver);
8558 out_ccw_driver:
8559         ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8560 out:
8561         return rc;
8562 }
8563
8564 /***
8565  * init function
8566  */
8567 static int __init
8568 qeth_init(void)
8569 {
8570         int rc;
8571
8572         PRINT_INFO("loading %s\n", version);
8573
8574         INIT_LIST_HEAD(&qeth_card_list.list);
8575         INIT_LIST_HEAD(&qeth_notify_list);
8576         spin_lock_init(&qeth_notify_lock);
8577         rwlock_init(&qeth_card_list.rwlock);
8578
8579         rc = qeth_register_dbf_views();
8580         if (rc)
8581                 goto out_err;
8582
8583         rc = qeth_sysfs_register();
8584         if (rc)
8585                 goto out_dbf;
8586
8587 #ifdef CONFIG_QETH_IPV6
8588         rc = qeth_ipv6_init();
8589         if (rc) {
8590                 PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc);
8591                 goto out_sysfs;
8592         }
8593 #endif /* QETH_IPV6 */
8594         rc = qeth_register_notifiers();
8595         if (rc)
8596                 goto out_ipv6;
8597         rc = qeth_create_procfs_entries();
8598         if (rc)
8599                 goto out_notifiers;
8600
8601         return rc;
8602
8603 out_notifiers:
8604         qeth_unregister_notifiers();
8605 out_ipv6:
8606 #ifdef CONFIG_QETH_IPV6
8607         qeth_ipv6_uninit();
8608 out_sysfs:
8609 #endif /* QETH_IPV6 */
8610         qeth_sysfs_unregister();
8611 out_dbf:
8612         qeth_unregister_dbf_views();
8613 out_err:
8614         PRINT_ERR("Initialization failed with code %d\n", rc);
8615         return rc;
8616 }
8617
8618 static void
8619 __exit qeth_exit(void)
8620 {
8621         struct qeth_card *card, *tmp;
8622         unsigned long flags;
8623
8624         QETH_DBF_TEXT(trace,1, "cleanup.");
8625
8626         /*
8627          * Weed would not need to clean up our devices here, because the
8628          * common device layer calls qeth_remove_device for each device
8629          * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8630          * But we do cleanup here so we can do a "soft" shutdown of our cards.
8631          * qeth_remove_device called by the common device layer would otherwise
8632          * do a "hard" shutdown (card->use_hard_stop is set to one in
8633          * qeth_remove_device).
8634          */
8635 again:
8636         read_lock_irqsave(&qeth_card_list.rwlock, flags);
8637         list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8638                 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8639                 qeth_set_offline(card->gdev);
8640                 qeth_remove_device(card->gdev);
8641                 goto again;
8642         }
8643         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8644 #ifdef CONFIG_QETH_IPV6
8645         qeth_ipv6_uninit();
8646 #endif
8647         qeth_unregister_notifiers();
8648         qeth_remove_procfs_entries();
8649         qeth_sysfs_unregister();
8650         qeth_unregister_dbf_views();
8651         printk("qeth: removed\n");
8652 }
8653
8654 EXPORT_SYMBOL(qeth_osn_register);
8655 EXPORT_SYMBOL(qeth_osn_deregister);
8656 EXPORT_SYMBOL(qeth_osn_assist);
8657 module_init(qeth_init);
8658 module_exit(qeth_exit);
8659 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8660 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8661                                       "Copyright 2000,2003 IBM Corporation\n");
8662
8663 MODULE_LICENSE("GPL");