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