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 struct qeth_hdr *
3923 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
3924 {
3925 #ifdef CONFIG_QETH_VLAN
3926         u16 *tag;
3927         if (card->vlangrp && vlan_tx_tag_present(skb) &&
3928             ((ipv == 6) || card->options.layer2) ) {
3929                 /*
3930                  * Move the mac addresses (6 bytes src, 6 bytes dest)
3931                  * to the beginning of the new header.  We are using three
3932                  * memcpys instead of one memmove to save cycles.
3933                  */
3934                 skb_push(skb, VLAN_HLEN);
3935                 memcpy(skb->data, skb->data + 4, 4);
3936                 memcpy(skb->data + 4, skb->data + 8, 4);
3937                 memcpy(skb->data + 8, skb->data + 12, 4);
3938                 tag = (u16 *)(skb->data + 12);
3939                 /*
3940                  * first two bytes  = ETH_P_8021Q (0x8100)
3941                  * second two bytes = VLANID
3942                  */
3943                 *tag = __constant_htons(ETH_P_8021Q);
3944                 *(tag + 1) = htons(vlan_tx_tag_get(skb));
3945         }
3946 #endif
3947         return ((struct qeth_hdr *)
3948                 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
3949 }
3950
3951 static inline void
3952 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
3953 {
3954         if (orig_skb != new_skb)
3955                 dev_kfree_skb_any(new_skb);
3956 }
3957
3958 static inline struct sk_buff *
3959 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
3960                  struct qeth_hdr **hdr, int ipv)
3961 {
3962         struct sk_buff *new_skb;
3963
3964         QETH_DBF_TEXT(trace, 6, "prepskb");
3965
3966         new_skb = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3967         if (new_skb == NULL)
3968                 return NULL;
3969         *hdr = __qeth_prepare_skb(card, new_skb, ipv);
3970         if (*hdr == NULL) {
3971                 __qeth_free_new_skb(skb, new_skb);
3972                 return NULL;
3973         }
3974         return new_skb;
3975 }
3976
3977 static inline u8
3978 qeth_get_qeth_hdr_flags4(int cast_type)
3979 {
3980         if (cast_type == RTN_MULTICAST)
3981                 return QETH_CAST_MULTICAST;
3982         if (cast_type == RTN_BROADCAST)
3983                 return QETH_CAST_BROADCAST;
3984         return QETH_CAST_UNICAST;
3985 }
3986
3987 static inline u8
3988 qeth_get_qeth_hdr_flags6(int cast_type)
3989 {
3990         u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3991         if (cast_type == RTN_MULTICAST)
3992                 return ct | QETH_CAST_MULTICAST;
3993         if (cast_type == RTN_ANYCAST)
3994                 return ct | QETH_CAST_ANYCAST;
3995         if (cast_type == RTN_BROADCAST)
3996                 return ct | QETH_CAST_BROADCAST;
3997         return ct | QETH_CAST_UNICAST;
3998 }
3999
4000 static inline void
4001 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
4002                             struct sk_buff *skb)
4003 {
4004         __u16 hdr_mac;
4005
4006         if (!memcmp(skb->data+QETH_HEADER_SIZE,
4007                     skb->dev->broadcast,6)) { /* broadcast? */
4008                 *(__u32 *)hdr->hdr.l2.flags |=
4009                          QETH_LAYER2_FLAG_BROADCAST << 8;
4010                 return;
4011         }
4012         hdr_mac=*((__u16*)skb->data);
4013         /* tr multicast? */
4014         switch (card->info.link_type) {
4015         case QETH_LINK_TYPE_HSTR:
4016         case QETH_LINK_TYPE_LANE_TR:
4017                 if ((hdr_mac == QETH_TR_MAC_NC) ||
4018                     (hdr_mac == QETH_TR_MAC_C) )
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                 break;
4025                 /* eth or so multicast? */
4026         default:
4027                 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4028                      (hdr_mac==QETH_ETH_MAC_V6) )
4029                         *(__u32 *)hdr->hdr.l2.flags |=
4030                                 QETH_LAYER2_FLAG_MULTICAST << 8;
4031                 else
4032                         *(__u32 *)hdr->hdr.l2.flags |=
4033                                 QETH_LAYER2_FLAG_UNICAST << 8;
4034         }
4035 }
4036
4037 static inline void
4038 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4039                         struct sk_buff *skb, int cast_type)
4040 {
4041         memset(hdr, 0, sizeof(struct qeth_hdr));
4042         hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4043
4044         /* set byte 0 to "0x02" and byte 3 to casting flags */
4045         if (cast_type==RTN_MULTICAST)
4046                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4047         else if (cast_type==RTN_BROADCAST)
4048                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4049          else
4050                 qeth_layer2_get_packet_type(card, hdr, skb);
4051
4052         hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4053 #ifdef CONFIG_QETH_VLAN
4054         /* VSWITCH relies on the VLAN
4055          * information to be present in
4056          * the QDIO header */
4057         if ((card->vlangrp != NULL) &&
4058             vlan_tx_tag_present(skb)) {
4059                 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4060                 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4061         }
4062 #endif
4063 }
4064
4065 void
4066 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4067                 struct sk_buff *skb, int ipv, int cast_type)
4068 {
4069         QETH_DBF_TEXT(trace, 6, "fillhdr");
4070
4071         memset(hdr, 0, sizeof(struct qeth_hdr));
4072         if (card->options.layer2) {
4073                 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4074                 return;
4075         }
4076         hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4077         hdr->hdr.l3.ext_flags = 0;
4078 #ifdef CONFIG_QETH_VLAN
4079         /*
4080          * before we're going to overwrite this location with next hop ip.
4081          * v6 uses passthrough, v4 sets the tag in the QDIO header.
4082          */
4083         if (card->vlangrp && vlan_tx_tag_present(skb)) {
4084                 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4085                         QETH_HDR_EXT_VLAN_FRAME :
4086                         QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4087                 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4088         }
4089 #endif /* CONFIG_QETH_VLAN */
4090         hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4091         if (ipv == 4) {  /* IPv4 */
4092                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4093                 memset(hdr->hdr.l3.dest_addr, 0, 12);
4094                 if ((skb->dst) && (skb->dst->neighbour)) {
4095                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4096                             *((u32 *) skb->dst->neighbour->primary_key);
4097                 } else {
4098                         /* fill in destination address used in ip header */
4099                         *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4100                 }
4101         } else if (ipv == 6) { /* IPv6 or passthru */
4102                 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4103                 if ((skb->dst) && (skb->dst->neighbour)) {
4104                         memcpy(hdr->hdr.l3.dest_addr,
4105                                skb->dst->neighbour->primary_key, 16);
4106                 } else {
4107                         /* fill in destination address used in ip header */
4108                         memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4109                 }
4110         } else { /* passthrough */
4111                 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4112                     !memcmp(skb->data + sizeof(struct qeth_hdr) +
4113                     sizeof(__u16), skb->dev->broadcast, 6)) {
4114                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4115                                                 QETH_HDR_PASSTHRU;
4116                 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4117                             skb->dev->broadcast, 6)) {   /* broadcast? */
4118                         hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4119                                                 QETH_HDR_PASSTHRU;
4120                 } else {
4121                         hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4122                                 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4123                                 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4124                 }
4125         }
4126 }
4127
4128 static inline void
4129 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4130                    int is_tso, int *next_element_to_fill)
4131 {
4132         int length = skb->len;
4133         int length_here;
4134         int element;
4135         char *data;
4136         int first_lap ;
4137
4138         element = *next_element_to_fill;
4139         data = skb->data;
4140         first_lap = (is_tso == 0 ? 1 : 0);
4141
4142         while (length > 0) {
4143                 /* length_here is the remaining amount of data in this page */
4144                 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4145                 if (length < length_here)
4146                         length_here = length;
4147
4148                 buffer->element[element].addr = data;
4149                 buffer->element[element].length = length_here;
4150                 length -= length_here;
4151                 if (!length) {
4152                         if (first_lap)
4153                                 buffer->element[element].flags = 0;
4154                         else
4155                                 buffer->element[element].flags =
4156                                     SBAL_FLAGS_LAST_FRAG;
4157                 } else {
4158                         if (first_lap)
4159                                 buffer->element[element].flags =
4160                                     SBAL_FLAGS_FIRST_FRAG;
4161                         else
4162                                 buffer->element[element].flags =
4163                                     SBAL_FLAGS_MIDDLE_FRAG;
4164                 }
4165                 data += length_here;
4166                 element++;
4167                 first_lap = 0;
4168         }
4169         *next_element_to_fill = element;
4170 }
4171
4172 static inline int
4173 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4174                  struct qeth_qdio_out_buffer *buf,
4175                  struct sk_buff *skb)
4176 {
4177         struct qdio_buffer *buffer;
4178         struct qeth_hdr_tso *hdr;
4179         int flush_cnt = 0, hdr_len, large_send = 0;
4180
4181         QETH_DBF_TEXT(trace, 6, "qdfillbf");
4182
4183         buffer = buf->buffer;
4184         atomic_inc(&skb->users);
4185         skb_queue_tail(&buf->skb_list, skb);
4186
4187         hdr  = (struct qeth_hdr_tso *) skb->data;
4188         /*check first on TSO ....*/
4189         if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4190                 int element = buf->next_element_to_fill;
4191
4192                 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4193                 /*fill first buffer entry only with header information */
4194                 buffer->element[element].addr = skb->data;
4195                 buffer->element[element].length = hdr_len;
4196                 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4197                 buf->next_element_to_fill++;
4198                 skb->data += hdr_len;
4199                 skb->len  -= hdr_len;
4200                 large_send = 1;
4201         }
4202         if (skb_shinfo(skb)->nr_frags == 0)
4203                 __qeth_fill_buffer(skb, buffer, large_send,
4204                                    (int *)&buf->next_element_to_fill);
4205         else
4206                 __qeth_fill_buffer_frag(skb, buffer, large_send,
4207                                         (int *)&buf->next_element_to_fill);
4208
4209         if (!queue->do_pack) {
4210                 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4211                 /* set state to PRIMED -> will be flushed */
4212                 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4213                 flush_cnt = 1;
4214         } else {
4215                 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4216 #ifdef CONFIG_QETH_PERF_STATS
4217                 queue->card->perf_stats.skbs_sent_pack++;
4218 #endif
4219                 if (buf->next_element_to_fill >=
4220                                 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4221                         /*
4222                          * packed buffer if full -> set state PRIMED
4223                          * -> will be flushed
4224                          */
4225                         atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4226                         flush_cnt = 1;
4227                 }
4228         }
4229         return flush_cnt;
4230 }
4231
4232 static inline int
4233 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4234                          struct sk_buff *skb, struct qeth_hdr *hdr,
4235                          int elements_needed,
4236                          struct qeth_eddp_context *ctx)
4237 {
4238         struct qeth_qdio_out_buffer *buffer;
4239         int buffers_needed = 0;
4240         int flush_cnt = 0;
4241         int index;
4242
4243         QETH_DBF_TEXT(trace, 6, "dosndpfa");
4244
4245         /* spin until we get the queue ... */
4246         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4247                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4248         /* ... now we've got the queue */
4249         index = queue->next_buf_to_fill;
4250         buffer = &queue->bufs[queue->next_buf_to_fill];
4251         /*
4252          * check if buffer is empty to make sure that we do not 'overtake'
4253          * ourselves and try to fill a buffer that is already primed
4254          */
4255         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4256                 goto out;
4257         if (ctx == NULL)
4258                 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4259                                           QDIO_MAX_BUFFERS_PER_Q;
4260         else {
4261                 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4262                 if (buffers_needed < 0)
4263                         goto out;
4264                 queue->next_buf_to_fill =
4265                         (queue->next_buf_to_fill + buffers_needed) %
4266                         QDIO_MAX_BUFFERS_PER_Q;
4267         }
4268         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4269         if (ctx == NULL) {
4270                 qeth_fill_buffer(queue, buffer, skb);
4271                 qeth_flush_buffers(queue, 0, index, 1);
4272         } else {
4273                 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4274                 WARN_ON(buffers_needed != flush_cnt);
4275                 qeth_flush_buffers(queue, 0, index, flush_cnt);
4276         }
4277         return 0;
4278 out:
4279         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4280         return -EBUSY;
4281 }
4282
4283 static inline int
4284 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4285                     struct sk_buff *skb, struct qeth_hdr *hdr,
4286                     int elements_needed, struct qeth_eddp_context *ctx)
4287 {
4288         struct qeth_qdio_out_buffer *buffer;
4289         int start_index;
4290         int flush_count = 0;
4291         int do_pack = 0;
4292         int tmp;
4293         int rc = 0;
4294
4295         QETH_DBF_TEXT(trace, 6, "dosndpkt");
4296
4297         /* spin until we get the queue ... */
4298         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4299                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4300         start_index = queue->next_buf_to_fill;
4301         buffer = &queue->bufs[queue->next_buf_to_fill];
4302         /*
4303          * check if buffer is empty to make sure that we do not 'overtake'
4304          * ourselves and try to fill a buffer that is already primed
4305          */
4306         if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4307                 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4308                 return -EBUSY;
4309         }
4310         /* check if we need to switch packing state of this queue */
4311         qeth_switch_to_packing_if_needed(queue);
4312         if (queue->do_pack){
4313                 do_pack = 1;
4314                 if (ctx == NULL) {
4315                         /* does packet fit in current buffer? */
4316                         if((QETH_MAX_BUFFER_ELEMENTS(card) -
4317                             buffer->next_element_to_fill) < elements_needed){
4318                                 /* ... no -> set state PRIMED */
4319                                 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4320                                 flush_count++;
4321                                 queue->next_buf_to_fill =
4322                                         (queue->next_buf_to_fill + 1) %
4323                                         QDIO_MAX_BUFFERS_PER_Q;
4324                                 buffer = &queue->bufs[queue->next_buf_to_fill];
4325                                 /* we did a step forward, so check buffer state
4326                                  * again */
4327                                 if (atomic_read(&buffer->state) !=
4328                                                 QETH_QDIO_BUF_EMPTY){
4329                                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4330                                         atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4331                                         return -EBUSY;
4332                                 }
4333                         }
4334                 } else {
4335                         /* check if we have enough elements (including following
4336                          * free buffers) to handle eddp context */
4337                         if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4338                                 printk("eddp tx_dropped 1\n");
4339                                 rc = -EBUSY;
4340                                 goto out;
4341                         }
4342                 }
4343         }
4344         if (ctx == NULL)
4345                 tmp = qeth_fill_buffer(queue, buffer, skb);
4346         else {
4347                 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4348                 if (tmp < 0) {
4349                         printk("eddp tx_dropped 2\n");
4350                         rc = - EBUSY;
4351                         goto out;
4352                 }
4353         }
4354         queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4355                                   QDIO_MAX_BUFFERS_PER_Q;
4356         flush_count += tmp;
4357 out:
4358         if (flush_count)
4359                 qeth_flush_buffers(queue, 0, start_index, flush_count);
4360         else if (!atomic_read(&queue->set_pci_flags_count))
4361                 atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4362         /*
4363          * queue->state will go from LOCKED -> UNLOCKED or from
4364          * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4365          * (switch packing state or flush buffer to get another pci flag out).
4366          * In that case we will enter this loop
4367          */
4368         while (atomic_dec_return(&queue->state)){
4369                 flush_count = 0;
4370                 start_index = queue->next_buf_to_fill;
4371                 /* check if we can go back to non-packing state */
4372                 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4373                 /*
4374                  * check if we need to flush a packing buffer to get a pci
4375                  * flag out on the queue
4376                  */
4377                 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4378                         flush_count += qeth_flush_buffers_on_no_pci(queue);
4379                 if (flush_count)
4380                         qeth_flush_buffers(queue, 0, start_index, flush_count);
4381         }
4382         /* at this point the queue is UNLOCKED again */
4383 #ifdef CONFIG_QETH_PERF_STATS
4384         if (do_pack)
4385                 queue->card->perf_stats.bufs_sent_pack += flush_count;
4386 #endif /* CONFIG_QETH_PERF_STATS */
4387
4388         return rc;
4389 }
4390
4391 static inline int
4392 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4393                      struct sk_buff *skb, int elems)
4394 {
4395         int elements_needed = 0;
4396
4397         if (skb_shinfo(skb)->nr_frags > 0)
4398                 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4399         if (elements_needed == 0)
4400                 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4401                                         + skb->len) >> PAGE_SHIFT);
4402         if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4403                 PRINT_ERR("Invalid size of IP packet "
4404                           "(Number=%d / Length=%d). Discarded.\n",
4405                           (elements_needed+elems), skb->len);
4406                 return 0;
4407         }
4408         return elements_needed;
4409 }
4410
4411
4412 static inline int
4413 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4414 {
4415         int ipv = 0;
4416         int cast_type;
4417         struct qeth_qdio_out_q *queue;
4418         struct qeth_hdr *hdr = NULL;
4419         int elements_needed = 0;
4420         enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4421         struct qeth_eddp_context *ctx = NULL;
4422         int tx_bytes = skb->len;
4423 #ifdef CONFIG_QETH_PERF_STATS
4424         unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4425         unsigned short tso_size = skb_shinfo(skb)->gso_size;
4426 #endif
4427         struct sk_buff *new_skb, *new_skb2;
4428         int rc;
4429
4430         QETH_DBF_TEXT(trace, 6, "sendpkt");
4431
4432         new_skb = skb;
4433         if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4434             (skb->protocol == htons(ETH_P_IPV6)))
4435                 return -EPERM;
4436         cast_type = qeth_get_cast_type(card, skb);
4437         if ((cast_type == RTN_BROADCAST) &&
4438             (card->info.broadcast_capable == 0))
4439                 return -EPERM;
4440         queue = card->qdio.out_qs
4441                 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4442         if (!card->options.layer2) {
4443                 ipv = qeth_get_ip_version(skb);
4444                 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4445                         new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4446                         if (!new_skb)
4447                                 return -ENOMEM;
4448                         if(card->dev->type == ARPHRD_IEEE802_TR){
4449                                 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4450                         } else {
4451                                 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4452                         }
4453                 }
4454         }
4455         if (skb_is_gso(skb))
4456                 large_send = card->options.large_send;
4457         /* check on OSN device*/
4458         if (card->info.type == QETH_CARD_TYPE_OSN)
4459                 hdr = (struct qeth_hdr *)new_skb->data;
4460         /*are we able to do TSO ? */
4461         if ((large_send == QETH_LARGE_SEND_TSO) &&
4462             (cast_type == RTN_UNSPEC)) {
4463                 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4464                 if (rc) {
4465                         __qeth_free_new_skb(skb, new_skb);
4466                         return rc;
4467                 }
4468                 elements_needed++;
4469         } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4470                 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4471                 if (!new_skb2) {
4472                         __qeth_free_new_skb(skb, new_skb);
4473                         return -EINVAL;
4474                 }
4475                 if (new_skb != skb)
4476                         __qeth_free_new_skb(new_skb2, new_skb);
4477                 new_skb = new_skb2;
4478                 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4479         }
4480         if (large_send == QETH_LARGE_SEND_EDDP) {
4481                 ctx = qeth_eddp_create_context(card, new_skb, hdr);
4482                 if (ctx == NULL) {
4483                         __qeth_free_new_skb(skb, new_skb);
4484                         PRINT_WARN("could not create eddp context\n");
4485                         return -EINVAL;
4486                 }
4487         } else {
4488                 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4489                                                  elements_needed);
4490                 if (!elems) {
4491                         __qeth_free_new_skb(skb, new_skb);
4492                         return -EINVAL;
4493                 }
4494                 elements_needed += elems;
4495         }
4496
4497         if (card->info.type != QETH_CARD_TYPE_IQD)
4498                 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4499                                          elements_needed, ctx);
4500         else
4501                 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4502                                               elements_needed, ctx);
4503         if (!rc) {
4504                 card->stats.tx_packets++;
4505                 card->stats.tx_bytes += tx_bytes;
4506                 if (new_skb != skb)
4507                         dev_kfree_skb_any(skb);
4508 #ifdef CONFIG_QETH_PERF_STATS
4509                 if (tso_size &&
4510                    !(large_send == QETH_LARGE_SEND_NO)) {
4511                         card->perf_stats.large_send_bytes += tx_bytes;
4512                         card->perf_stats.large_send_cnt++;
4513                 }
4514                 if (nr_frags > 0) {
4515                         card->perf_stats.sg_skbs_sent++;
4516                         /* nr_frags + skb->data */
4517                         card->perf_stats.sg_frags_sent +=
4518                                 nr_frags + 1;
4519                 }
4520 #endif /* CONFIG_QETH_PERF_STATS */
4521         } else {
4522                 card->stats.tx_dropped++;
4523                 __qeth_free_new_skb(skb, new_skb);
4524         }
4525         if (ctx != NULL) {
4526                 /* drop creator's reference */
4527                 qeth_eddp_put_context(ctx);
4528                 /* free skb; it's not referenced by a buffer */
4529                 if (!rc)
4530                        dev_kfree_skb_any(new_skb);
4531         }
4532         return rc;
4533 }
4534
4535 static int
4536 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4537 {
4538         struct qeth_card *card = (struct qeth_card *) dev->priv;
4539         int rc = 0;
4540
4541         switch(regnum){
4542         case MII_BMCR: /* Basic mode control register */
4543                 rc = BMCR_FULLDPLX;
4544                 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4545                     (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4546                     (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4547                         rc |= BMCR_SPEED100;
4548                 break;
4549         case MII_BMSR: /* Basic mode status register */
4550                 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4551                      BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4552                      BMSR_100BASE4;
4553                 break;
4554         case MII_PHYSID1: /* PHYS ID 1 */
4555                 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4556                      dev->dev_addr[2];
4557                 rc = (rc >> 5) & 0xFFFF;
4558                 break;
4559         case MII_PHYSID2: /* PHYS ID 2 */
4560                 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4561                 break;
4562         case MII_ADVERTISE: /* Advertisement control reg */
4563                 rc = ADVERTISE_ALL;
4564                 break;
4565         case MII_LPA: /* Link partner ability reg */
4566                 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4567                      LPA_100BASE4 | LPA_LPACK;
4568                 break;
4569         case MII_EXPANSION: /* Expansion register */
4570                 break;
4571         case MII_DCOUNTER: /* disconnect counter */
4572                 break;
4573         case MII_FCSCOUNTER: /* false carrier counter */
4574                 break;
4575         case MII_NWAYTEST: /* N-way auto-neg test register */
4576                 break;
4577         case MII_RERRCOUNTER: /* rx error counter */
4578                 rc = card->stats.rx_errors;
4579                 break;
4580         case MII_SREVISION: /* silicon revision */
4581                 break;
4582         case MII_RESV1: /* reserved 1 */
4583                 break;
4584         case MII_LBRERROR: /* loopback, rx, bypass error */
4585                 break;
4586         case MII_PHYADDR: /* physical address */
4587                 break;
4588         case MII_RESV2: /* reserved 2 */
4589                 break;
4590         case MII_TPISTATUS: /* TPI status for 10mbps */
4591                 break;
4592         case MII_NCONFIG: /* network interface config */
4593                 break;
4594         default:
4595                 break;
4596         }
4597         return rc;
4598 }
4599
4600
4601 static inline const char *
4602 qeth_arp_get_error_cause(int *rc)
4603 {
4604         switch (*rc) {
4605         case QETH_IPA_ARP_RC_FAILED:
4606                 *rc = -EIO;
4607                 return "operation failed";
4608         case QETH_IPA_ARP_RC_NOTSUPP:
4609                 *rc = -EOPNOTSUPP;
4610                 return "operation not supported";
4611         case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4612                 *rc = -EINVAL;
4613                 return "argument out of range";
4614         case QETH_IPA_ARP_RC_Q_NOTSUPP:
4615                 *rc = -EOPNOTSUPP;
4616                 return "query operation not supported";
4617         case QETH_IPA_ARP_RC_Q_NO_DATA:
4618                 *rc = -ENOENT;
4619                 return "no query data available";
4620         default:
4621                 return "unknown error";
4622         }
4623 }
4624
4625 static int
4626 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4627                              __u16, long);
4628
4629 static int
4630 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4631 {
4632         int tmp;
4633         int rc;
4634
4635         QETH_DBF_TEXT(trace,3,"arpstnoe");
4636
4637         /*
4638          * currently GuestLAN only supports the ARP assist function
4639          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4640          * thus we say EOPNOTSUPP for this ARP function
4641          */
4642         if (card->info.guestlan)
4643                 return -EOPNOTSUPP;
4644         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4645                 PRINT_WARN("ARP processing not supported "
4646                            "on %s!\n", QETH_CARD_IFNAME(card));
4647                 return -EOPNOTSUPP;
4648         }
4649         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4650                                           IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4651                                           no_entries);
4652         if (rc) {
4653                 tmp = rc;
4654                 PRINT_WARN("Could not set number of ARP entries on %s: "
4655                            "%s (0x%x/%d)\n",
4656                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4657                            tmp, tmp);
4658         }
4659         return rc;
4660 }
4661
4662 static inline void
4663 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4664                                struct qeth_arp_query_data *qdata,
4665                                int entry_size, int uentry_size)
4666 {
4667         char *entry_ptr;
4668         char *uentry_ptr;
4669         int i;
4670
4671         entry_ptr = (char *)&qdata->data;
4672         uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4673         for (i = 0; i < qdata->no_entries; ++i){
4674                 /* strip off 32 bytes "media specific information" */
4675                 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4676                 entry_ptr += entry_size;
4677                 uentry_ptr += uentry_size;
4678         }
4679 }
4680
4681 static int
4682 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4683                   unsigned long data)
4684 {
4685         struct qeth_ipa_cmd *cmd;
4686         struct qeth_arp_query_data *qdata;
4687         struct qeth_arp_query_info *qinfo;
4688         int entry_size;
4689         int uentry_size;
4690         int i;
4691
4692         QETH_DBF_TEXT(trace,4,"arpquecb");
4693
4694         qinfo = (struct qeth_arp_query_info *) reply->param;
4695         cmd = (struct qeth_ipa_cmd *) data;
4696         if (cmd->hdr.return_code) {
4697                 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4698                 return 0;
4699         }
4700         if (cmd->data.setassparms.hdr.return_code) {
4701                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4702                 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4703                 return 0;
4704         }
4705         qdata = &cmd->data.setassparms.data.query_arp;
4706         switch(qdata->reply_bits){
4707         case 5:
4708                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4709                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4710                         uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4711                 break;
4712         case 7:
4713                 /* fall through to default */
4714         default:
4715                 /* tr is the same as eth -> entry7 */
4716                 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4717                 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4718                         uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4719                 break;
4720         }
4721         /* check if there is enough room in userspace */
4722         if ((qinfo->udata_len - qinfo->udata_offset) <
4723                         qdata->no_entries * uentry_size){
4724                 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4725                 cmd->hdr.return_code = -ENOMEM;
4726                 PRINT_WARN("query ARP user space buffer is too small for "
4727                            "the returned number of ARP entries. "
4728                            "Aborting query!\n");
4729                 goto out_error;
4730         }
4731         QETH_DBF_TEXT_(trace, 4, "anore%i",
4732                        cmd->data.setassparms.hdr.number_of_replies);
4733         QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4734         QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4735
4736         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4737                 /* strip off "media specific information" */
4738                 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4739                                                uentry_size);
4740         } else
4741                 /*copy entries to user buffer*/
4742                 memcpy(qinfo->udata + qinfo->udata_offset,
4743                        (char *)&qdata->data, qdata->no_entries*uentry_size);
4744
4745         qinfo->no_entries += qdata->no_entries;
4746         qinfo->udata_offset += (qdata->no_entries*uentry_size);
4747         /* check if all replies received ... */
4748         if (cmd->data.setassparms.hdr.seq_no <
4749             cmd->data.setassparms.hdr.number_of_replies)
4750                 return 1;
4751         memcpy(qinfo->udata, &qinfo->no_entries, 4);
4752         /* keep STRIP_ENTRIES flag so the user program can distinguish
4753          * stripped entries from normal ones */
4754         if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4755                 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4756         memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4757         return 0;
4758 out_error:
4759         i = 0;
4760         memcpy(qinfo->udata, &i, 4);
4761         return 0;
4762 }
4763
4764 static int
4765 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4766                       int len, int (*reply_cb)(struct qeth_card *,
4767                                                struct qeth_reply *,
4768                                                unsigned long),
4769                       void *reply_param)
4770 {
4771         QETH_DBF_TEXT(trace,4,"sendarp");
4772
4773         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4774         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4775                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4776         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4777                                       reply_cb, reply_param);
4778 }
4779
4780 static int
4781 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4782                       int len, int (*reply_cb)(struct qeth_card *,
4783                                                struct qeth_reply *,
4784                                                unsigned long),
4785                       void *reply_param)
4786 {
4787         u16 s1, s2;
4788
4789         QETH_DBF_TEXT(trace,4,"sendsnmp");
4790
4791         memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4792         memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4793                &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4794         /* adjust PDU length fields in IPA_PDU_HEADER */
4795         s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4796         s2 = (u32) len;
4797         memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4798         memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4799         memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4800         memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4801         return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4802                                       reply_cb, reply_param);
4803 }
4804
4805 static struct qeth_cmd_buffer *
4806 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4807                          __u16, __u16, enum qeth_prot_versions);
4808 static int
4809 qeth_arp_query(struct qeth_card *card, char __user *udata)
4810 {
4811         struct qeth_cmd_buffer *iob;
4812         struct qeth_arp_query_info qinfo = {0, };
4813         int tmp;
4814         int rc;
4815
4816         QETH_DBF_TEXT(trace,3,"arpquery");
4817
4818         if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4819                                IPA_ARP_PROCESSING)) {
4820                 PRINT_WARN("ARP processing not supported "
4821                            "on %s!\n", QETH_CARD_IFNAME(card));
4822                 return -EOPNOTSUPP;
4823         }
4824         /* get size of userspace buffer and mask_bits -> 6 bytes */
4825         if (copy_from_user(&qinfo, udata, 6))
4826                 return -EFAULT;
4827         if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4828                 return -ENOMEM;
4829         qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4830         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4831                                        IPA_CMD_ASS_ARP_QUERY_INFO,
4832                                        sizeof(int),QETH_PROT_IPV4);
4833
4834         rc = qeth_send_ipa_arp_cmd(card, iob,
4835                                    QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4836                                    qeth_arp_query_cb, (void *)&qinfo);
4837         if (rc) {
4838                 tmp = rc;
4839                 PRINT_WARN("Error while querying ARP cache on %s: %s "
4840                            "(0x%x/%d)\n",
4841                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4842                            tmp, tmp);
4843                 copy_to_user(udata, qinfo.udata, 4);
4844         } else {
4845                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4846         }
4847         kfree(qinfo.udata);
4848         return rc;
4849 }
4850
4851 /**
4852  * SNMP command callback
4853  */
4854 static int
4855 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4856                      unsigned long sdata)
4857 {
4858         struct qeth_ipa_cmd *cmd;
4859         struct qeth_arp_query_info *qinfo;
4860         struct qeth_snmp_cmd *snmp;
4861         unsigned char *data;
4862         __u16 data_len;
4863
4864         QETH_DBF_TEXT(trace,3,"snpcmdcb");
4865
4866         cmd = (struct qeth_ipa_cmd *) sdata;
4867         data = (unsigned char *)((char *)cmd - reply->offset);
4868         qinfo = (struct qeth_arp_query_info *) reply->param;
4869         snmp = &cmd->data.setadapterparms.data.snmp;
4870
4871         if (cmd->hdr.return_code) {
4872                 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4873                 return 0;
4874         }
4875         if (cmd->data.setadapterparms.hdr.return_code) {
4876                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4877                 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4878                 return 0;
4879         }
4880         data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4881         if (cmd->data.setadapterparms.hdr.seq_no == 1)
4882                 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4883         else
4884                 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4885
4886         /* check if there is enough room in userspace */
4887         if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4888                 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4889                 cmd->hdr.return_code = -ENOMEM;
4890                 return 0;
4891         }
4892         QETH_DBF_TEXT_(trace, 4, "snore%i",
4893                        cmd->data.setadapterparms.hdr.used_total);
4894         QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4895         /*copy entries to user buffer*/
4896         if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4897                 memcpy(qinfo->udata + qinfo->udata_offset,
4898                        (char *)snmp,
4899                        data_len + offsetof(struct qeth_snmp_cmd,data));
4900                 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4901         } else {
4902                 memcpy(qinfo->udata + qinfo->udata_offset,
4903                        (char *)&snmp->request, data_len);
4904         }
4905         qinfo->udata_offset += data_len;
4906         /* check if all replies received ... */
4907                 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4908                                cmd->data.setadapterparms.hdr.used_total);
4909                 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4910                                cmd->data.setadapterparms.hdr.seq_no);
4911         if (cmd->data.setadapterparms.hdr.seq_no <
4912             cmd->data.setadapterparms.hdr.used_total)
4913                 return 1;
4914         return 0;
4915 }
4916
4917 static struct qeth_cmd_buffer *
4918 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4919                        enum qeth_prot_versions );
4920
4921 static struct qeth_cmd_buffer *
4922 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4923 {
4924         struct qeth_cmd_buffer *iob;
4925         struct qeth_ipa_cmd *cmd;
4926
4927         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4928                                      QETH_PROT_IPV4);
4929         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4930         cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4931         cmd->data.setadapterparms.hdr.command_code = command;
4932         cmd->data.setadapterparms.hdr.used_total = 1;
4933         cmd->data.setadapterparms.hdr.seq_no = 1;
4934
4935         return iob;
4936 }
4937
4938 /**
4939  * function to send SNMP commands to OSA-E card
4940  */
4941 static int
4942 qeth_snmp_command(struct qeth_card *card, char __user *udata)
4943 {
4944         struct qeth_cmd_buffer *iob;
4945         struct qeth_ipa_cmd *cmd;
4946         struct qeth_snmp_ureq *ureq;
4947         int req_len;
4948         struct qeth_arp_query_info qinfo = {0, };
4949         int rc = 0;
4950
4951         QETH_DBF_TEXT(trace,3,"snmpcmd");
4952
4953         if (card->info.guestlan)
4954                 return -EOPNOTSUPP;
4955
4956         if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4957             (!card->options.layer2) ) {
4958                 PRINT_WARN("SNMP Query MIBS not supported "
4959                            "on %s!\n", QETH_CARD_IFNAME(card));
4960                 return -EOPNOTSUPP;
4961         }
4962         /* skip 4 bytes (data_len struct member) to get req_len */
4963         if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4964                 return -EFAULT;
4965         ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4966         if (!ureq) {
4967                 QETH_DBF_TEXT(trace, 2, "snmpnome");
4968                 return -ENOMEM;
4969         }
4970         if (copy_from_user(ureq, udata,
4971                         req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4972                 kfree(ureq);
4973                 return -EFAULT;
4974         }
4975         qinfo.udata_len = ureq->hdr.data_len;
4976         if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4977                 kfree(ureq);
4978                 return -ENOMEM;
4979         }
4980         qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4981
4982         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4983                                    QETH_SNMP_SETADP_CMDLENGTH + req_len);
4984         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4985         memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4986         rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4987                                     qeth_snmp_command_cb, (void *)&qinfo);
4988         if (rc)
4989                 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4990                            QETH_CARD_IFNAME(card), rc);
4991          else
4992                 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4993
4994         kfree(ureq);
4995         kfree(qinfo.udata);
4996         return rc;
4997 }
4998
4999 static int
5000 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5001                             unsigned long);
5002
5003 static int
5004 qeth_default_setadapterparms_cb(struct qeth_card *card,
5005                                 struct qeth_reply *reply,
5006                                 unsigned long data);
5007 static int
5008 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5009                       __u16, long,
5010                       int (*reply_cb)
5011                       (struct qeth_card *, struct qeth_reply *, unsigned long),
5012                       void *reply_param);
5013
5014 static int
5015 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5016 {
5017         struct qeth_cmd_buffer *iob;
5018         char buf[16];
5019         int tmp;
5020         int rc;
5021
5022         QETH_DBF_TEXT(trace,3,"arpadent");
5023
5024         /*
5025          * currently GuestLAN only supports the ARP assist function
5026          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5027          * thus we say EOPNOTSUPP for this ARP function
5028          */
5029         if (card->info.guestlan)
5030                 return -EOPNOTSUPP;
5031         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5032                 PRINT_WARN("ARP processing not supported "
5033                            "on %s!\n", QETH_CARD_IFNAME(card));
5034                 return -EOPNOTSUPP;
5035         }
5036
5037         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5038                                        IPA_CMD_ASS_ARP_ADD_ENTRY,
5039                                        sizeof(struct qeth_arp_cache_entry),
5040                                        QETH_PROT_IPV4);
5041         rc = qeth_send_setassparms(card, iob,
5042                                    sizeof(struct qeth_arp_cache_entry),
5043                                    (unsigned long) entry,
5044                                    qeth_default_setassparms_cb, NULL);
5045         if (rc) {
5046                 tmp = rc;
5047                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5048                 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5049                            "%s (0x%x/%d)\n",
5050                            buf, QETH_CARD_IFNAME(card),
5051                            qeth_arp_get_error_cause(&rc), tmp, tmp);
5052         }
5053         return rc;
5054 }
5055
5056 static int
5057 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5058 {
5059         struct qeth_cmd_buffer *iob;
5060         char buf[16] = {0, };
5061         int tmp;
5062         int rc;
5063
5064         QETH_DBF_TEXT(trace,3,"arprment");
5065
5066         /*
5067          * currently GuestLAN only supports the ARP assist function
5068          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5069          * thus we say EOPNOTSUPP for this ARP function
5070          */
5071         if (card->info.guestlan)
5072                 return -EOPNOTSUPP;
5073         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5074                 PRINT_WARN("ARP processing not supported "
5075                            "on %s!\n", QETH_CARD_IFNAME(card));
5076                 return -EOPNOTSUPP;
5077         }
5078         memcpy(buf, entry, 12);
5079         iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5080                                        IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5081                                        12,
5082                                        QETH_PROT_IPV4);
5083         rc = qeth_send_setassparms(card, iob,
5084                                    12, (unsigned long)buf,
5085                                    qeth_default_setassparms_cb, NULL);
5086         if (rc) {
5087                 tmp = rc;
5088                 memset(buf, 0, 16);
5089                 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5090                 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5091                            "%s (0x%x/%d)\n",
5092                            buf, QETH_CARD_IFNAME(card),
5093                            qeth_arp_get_error_cause(&rc), tmp, tmp);
5094         }
5095         return rc;
5096 }
5097
5098 static int
5099 qeth_arp_flush_cache(struct qeth_card *card)
5100 {
5101         int rc;
5102         int tmp;
5103
5104         QETH_DBF_TEXT(trace,3,"arpflush");
5105
5106         /*
5107          * currently GuestLAN only supports the ARP assist function
5108          * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5109          * thus we say EOPNOTSUPP for this ARP function
5110         */
5111         if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5112                 return -EOPNOTSUPP;
5113         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5114                 PRINT_WARN("ARP processing not supported "
5115                            "on %s!\n", QETH_CARD_IFNAME(card));
5116                 return -EOPNOTSUPP;
5117         }
5118         rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5119                                           IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5120         if (rc){
5121                 tmp = rc;
5122                 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5123                            QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5124                            tmp, tmp);
5125         }
5126         return rc;
5127 }
5128
5129 static int
5130 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5131 {
5132         struct qeth_card *card = (struct qeth_card *)dev->priv;
5133         struct qeth_arp_cache_entry arp_entry;
5134         struct mii_ioctl_data *mii_data;
5135         int rc = 0;
5136
5137         if (!card)
5138                 return -ENODEV;
5139
5140         if ((card->state != CARD_STATE_UP) &&
5141             (card->state != CARD_STATE_SOFTSETUP))
5142                 return -ENODEV;
5143
5144         if (card->info.type == QETH_CARD_TYPE_OSN)
5145                 return -EPERM;
5146
5147         switch (cmd){
5148         case SIOC_QETH_ARP_SET_NO_ENTRIES:
5149                 if ( !capable(CAP_NET_ADMIN) ||
5150                      (card->options.layer2) ) {
5151                         rc = -EPERM;
5152                         break;
5153                 }
5154                 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5155                 break;
5156         case SIOC_QETH_ARP_QUERY_INFO:
5157                 if ( !capable(CAP_NET_ADMIN) ||
5158                      (card->options.layer2) ) {
5159                         rc = -EPERM;
5160                         break;
5161                 }
5162                 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5163                 break;
5164         case SIOC_QETH_ARP_ADD_ENTRY:
5165                 if ( !capable(CAP_NET_ADMIN) ||
5166                      (card->options.layer2) ) {
5167                         rc = -EPERM;
5168                         break;
5169                 }
5170                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5171                                    sizeof(struct qeth_arp_cache_entry)))
5172                         rc = -EFAULT;
5173                 else
5174                         rc = qeth_arp_add_entry(card, &arp_entry);
5175                 break;
5176         case SIOC_QETH_ARP_REMOVE_ENTRY:
5177                 if ( !capable(CAP_NET_ADMIN) ||
5178                      (card->options.layer2) ) {
5179                         rc = -EPERM;
5180                         break;
5181                 }
5182                 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5183                                    sizeof(struct qeth_arp_cache_entry)))
5184                         rc = -EFAULT;
5185                 else
5186                         rc = qeth_arp_remove_entry(card, &arp_entry);
5187                 break;
5188         case SIOC_QETH_ARP_FLUSH_CACHE:
5189                 if ( !capable(CAP_NET_ADMIN) ||
5190                      (card->options.layer2) ) {
5191                         rc = -EPERM;
5192                         break;
5193                 }
5194                 rc = qeth_arp_flush_cache(card);
5195                 break;
5196         case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5197                 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5198                 break;
5199         case SIOC_QETH_GET_CARD_TYPE:
5200                 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5201                     !card->info.guestlan)
5202                         return 1;
5203                 return 0;
5204                 break;
5205         case SIOCGMIIPHY:
5206                 mii_data = if_mii(rq);
5207                 mii_data->phy_id = 0;
5208                 break;
5209         case SIOCGMIIREG:
5210                 mii_data = if_mii(rq);
5211                 if (mii_data->phy_id != 0)
5212                         rc = -EINVAL;
5213                 else
5214                         mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5215                                                            mii_data->reg_num);
5216                 break;
5217         default:
5218                 rc = -EOPNOTSUPP;
5219         }
5220         if (rc)
5221                 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5222         return rc;
5223 }
5224
5225 static struct net_device_stats *
5226 qeth_get_stats(struct net_device *dev)
5227 {
5228         struct qeth_card *card;
5229
5230         card = (struct qeth_card *) (dev->priv);
5231
5232         QETH_DBF_TEXT(trace,5,"getstat");
5233
5234         return &card->stats;
5235 }
5236
5237 static int
5238 qeth_change_mtu(struct net_device *dev, int new_mtu)
5239 {
5240         struct qeth_card *card;
5241         char dbf_text[15];
5242
5243         card = (struct qeth_card *) (dev->priv);
5244
5245         QETH_DBF_TEXT(trace,4,"chgmtu");
5246         sprintf(dbf_text, "%8x", new_mtu);
5247         QETH_DBF_TEXT(trace,4,dbf_text);
5248
5249         if (new_mtu < 64)
5250                 return -EINVAL;
5251         if (new_mtu > 65535)
5252                 return -EINVAL;
5253         if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5254             (!qeth_mtu_is_valid(card, new_mtu)))
5255                 return -EINVAL;
5256         dev->mtu = new_mtu;
5257         return 0;
5258 }
5259
5260 #ifdef CONFIG_QETH_VLAN
5261 static void
5262 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5263 {
5264         struct qeth_card *card;
5265         unsigned long flags;
5266
5267         QETH_DBF_TEXT(trace,4,"vlanreg");
5268
5269         card = (struct qeth_card *) dev->priv;
5270         spin_lock_irqsave(&card->vlanlock, flags);
5271         card->vlangrp = grp;
5272         spin_unlock_irqrestore(&card->vlanlock, flags);
5273 }
5274
5275 static inline void
5276 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5277                       unsigned short vid)
5278 {
5279         int i;
5280         struct sk_buff *skb;
5281         struct sk_buff_head tmp_list;
5282
5283         skb_queue_head_init(&tmp_list);
5284         lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5285         for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5286                 while ((skb = skb_dequeue(&buf->skb_list))){
5287                         if (vlan_tx_tag_present(skb) &&
5288                             (vlan_tx_tag_get(skb) == vid)) {
5289                                 atomic_dec(&skb->users);
5290                                 dev_kfree_skb(skb);
5291                         } else
5292                                 skb_queue_tail(&tmp_list, skb);
5293                 }
5294         }
5295         while ((skb = skb_dequeue(&tmp_list)))
5296                 skb_queue_tail(&buf->skb_list, skb);
5297 }
5298
5299 static void
5300 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5301 {
5302         int i, j;
5303
5304         QETH_DBF_TEXT(trace, 4, "frvlskbs");
5305         for (i = 0; i < card->qdio.no_out_queues; ++i){
5306                 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5307                         qeth_free_vlan_buffer(card, &card->qdio.
5308                                               out_qs[i]->bufs[j], vid);
5309         }
5310 }
5311
5312 static void
5313 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5314 {
5315         struct in_device *in_dev;
5316         struct in_ifaddr *ifa;
5317         struct qeth_ipaddr *addr;
5318
5319         QETH_DBF_TEXT(trace, 4, "frvaddr4");
5320
5321         rcu_read_lock();
5322         in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5323         if (!in_dev)
5324                 goto out;
5325         for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5326                 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5327                 if (addr){
5328                         addr->u.a4.addr = ifa->ifa_address;
5329                         addr->u.a4.mask = ifa->ifa_mask;
5330                         addr->type = QETH_IP_TYPE_NORMAL;
5331                         if (!qeth_delete_ip(card, addr))
5332                                 kfree(addr);
5333                 }
5334         }
5335 out:
5336         rcu_read_unlock();
5337 }
5338
5339 static void
5340 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5341 {
5342 #ifdef CONFIG_QETH_IPV6
5343         struct inet6_dev *in6_dev;
5344         struct inet6_ifaddr *ifa;
5345         struct qeth_ipaddr *addr;
5346
5347         QETH_DBF_TEXT(trace, 4, "frvaddr6");
5348
5349         in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5350         if (!in6_dev)
5351                 return;
5352         for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5353                 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5354                 if (addr){
5355                         memcpy(&addr->u.a6.addr, &ifa->addr,
5356                                sizeof(struct in6_addr));
5357                         addr->u.a6.pfxlen = ifa->prefix_len;
5358                         addr->type = QETH_IP_TYPE_NORMAL;
5359                         if (!qeth_delete_ip(card, addr))
5360                                 kfree(addr);
5361                 }
5362         }
5363         in6_dev_put(in6_dev);
5364 #endif /* CONFIG_QETH_IPV6 */
5365 }
5366
5367 static void
5368 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5369 {
5370         if (card->options.layer2 || !card->vlangrp)
5371                 return;
5372         qeth_free_vlan_addresses4(card, vid);
5373         qeth_free_vlan_addresses6(card, vid);
5374 }
5375
5376 static int
5377 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5378                                struct qeth_reply *reply,
5379                                unsigned long data)
5380 {
5381         struct qeth_ipa_cmd *cmd;
5382
5383         QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5384         cmd = (struct qeth_ipa_cmd *) data;
5385         if (cmd->hdr.return_code) {
5386                 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5387                           "Continuing\n",cmd->data.setdelvlan.vlan_id,
5388                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5389                 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5390                 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5391                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5392         }
5393         return 0;
5394 }
5395
5396 static int
5397 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5398                             enum qeth_ipa_cmds ipacmd)
5399 {
5400         struct qeth_ipa_cmd *cmd;
5401         struct qeth_cmd_buffer *iob;
5402
5403         QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5404         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5405         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5406         cmd->data.setdelvlan.vlan_id = i;
5407         return qeth_send_ipa_cmd(card, iob,
5408                                  qeth_layer2_send_setdelvlan_cb, NULL);
5409 }
5410
5411 static void
5412 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5413 {
5414         unsigned short  i;
5415
5416         QETH_DBF_TEXT(trace, 3, "L2prcvln");
5417
5418         if (!card->vlangrp)
5419                 return;
5420         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5421                 if (card->vlangrp->vlan_devices[i] == NULL)
5422                         continue;
5423                 if (clear)
5424                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5425                 else
5426                         qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5427         }
5428 }
5429
5430 /*add_vid is layer 2 used only ....*/
5431 static void
5432 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5433 {
5434         struct qeth_card *card;
5435
5436         QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5437
5438         card = (struct qeth_card *) dev->priv;
5439         if (!card->options.layer2)
5440                 return;
5441         qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5442 }
5443
5444 /*... kill_vid used for both modes*/
5445 static void
5446 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5447 {
5448         struct qeth_card *card;
5449         unsigned long flags;
5450
5451         QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5452
5453         card = (struct qeth_card *) dev->priv;
5454         /* free all skbs for the vlan device */
5455         qeth_free_vlan_skbs(card, vid);
5456         spin_lock_irqsave(&card->vlanlock, flags);
5457         /* unregister IP addresses of vlan device */
5458         qeth_free_vlan_addresses(card, vid);
5459         if (card->vlangrp)
5460                 card->vlangrp->vlan_devices[vid] = NULL;
5461         spin_unlock_irqrestore(&card->vlanlock, flags);
5462         if (card->options.layer2)
5463                 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5464         qeth_set_multicast_list(card->dev);
5465 }
5466 #endif
5467 /**
5468  * Examine hardware response to SET_PROMISC_MODE
5469  */
5470 static int
5471 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5472                             struct qeth_reply *reply,
5473                             unsigned long data)
5474 {
5475         struct qeth_ipa_cmd *cmd;
5476         struct qeth_ipacmd_setadpparms *setparms;
5477
5478         QETH_DBF_TEXT(trace,4,"prmadpcb");
5479
5480         cmd = (struct qeth_ipa_cmd *) data;
5481         setparms = &(cmd->data.setadapterparms);
5482
5483         qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5484         if (cmd->hdr.return_code) {
5485                 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5486                 setparms->data.mode = SET_PROMISC_MODE_OFF;
5487         }
5488         card->info.promisc_mode = setparms->data.mode;
5489         return 0;
5490 }
5491 /*
5492  * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5493  */
5494 static void
5495 qeth_setadp_promisc_mode(struct qeth_card *card)
5496 {
5497         enum qeth_ipa_promisc_modes mode;
5498         struct net_device *dev = card->dev;
5499         struct qeth_cmd_buffer *iob;
5500         struct qeth_ipa_cmd *cmd;
5501
5502         QETH_DBF_TEXT(trace, 4, "setprom");
5503
5504         if (((dev->flags & IFF_PROMISC) &&
5505              (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5506             (!(dev->flags & IFF_PROMISC) &&
5507              (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5508                 return;
5509         mode = SET_PROMISC_MODE_OFF;
5510         if (dev->flags & IFF_PROMISC)
5511                 mode = SET_PROMISC_MODE_ON;
5512         QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5513
5514         iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5515                         sizeof(struct qeth_ipacmd_setadpparms));
5516         cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5517         cmd->data.setadapterparms.data.mode = mode;
5518         qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5519 }
5520
5521 /**
5522  * set multicast address on card
5523  */
5524 static void
5525 qeth_set_multicast_list(struct net_device *dev)
5526 {
5527         struct qeth_card *card = (struct qeth_card *) dev->priv;
5528
5529         if (card->info.type == QETH_CARD_TYPE_OSN)
5530                 return ;
5531
5532         QETH_DBF_TEXT(trace, 3, "setmulti");
5533         qeth_delete_mc_addresses(card);
5534         if (card->options.layer2) {
5535                 qeth_layer2_add_multicast(card);
5536                 goto out;
5537         }
5538         qeth_add_multicast_ipv4(card);
5539 #ifdef CONFIG_QETH_IPV6
5540         qeth_add_multicast_ipv6(card);
5541 #endif
5542 out:
5543         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5544                 schedule_work(&card->kernel_thread_starter);
5545         if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5546                 return;
5547         if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5548                 schedule_work(&card->kernel_thread_starter);
5549 }
5550
5551 static int
5552 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5553 {
5554         return 0;
5555 }
5556
5557 static void
5558 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5559 {
5560         if (dev->type == ARPHRD_IEEE802_TR)
5561                 ip_tr_mc_map(ipm, mac);
5562         else
5563                 ip_eth_mc_map(ipm, mac);
5564 }
5565
5566 static struct qeth_ipaddr *
5567 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5568 {
5569         struct qeth_ipaddr *addr;
5570
5571         addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5572         if (addr == NULL) {
5573                 PRINT_WARN("Not enough memory to add address\n");
5574                 return NULL;
5575         }
5576         addr->type = QETH_IP_TYPE_NORMAL;
5577         addr->proto = prot;
5578         return addr;
5579 }
5580
5581 int
5582 qeth_osn_assist(struct net_device *dev,
5583                 void *data,
5584                 int data_len)
5585 {
5586         struct qeth_cmd_buffer *iob;
5587         struct qeth_card *card;
5588         int rc;
5589
5590         QETH_DBF_TEXT(trace, 2, "osnsdmc");
5591         if (!dev)
5592                 return -ENODEV;
5593         card = (struct qeth_card *)dev->priv;
5594         if (!card)
5595                 return -ENODEV;
5596         if ((card->state != CARD_STATE_UP) &&
5597             (card->state != CARD_STATE_SOFTSETUP))
5598                 return -ENODEV;
5599         iob = qeth_wait_for_buffer(&card->write);
5600         memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5601         rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5602         return rc;
5603 }
5604
5605 static struct net_device *
5606 qeth_netdev_by_devno(unsigned char *read_dev_no)
5607 {
5608         struct qeth_card *card;
5609         struct net_device *ndev;
5610         unsigned char *readno;
5611         __u16 temp_dev_no, card_dev_no;
5612         char *endp;
5613         unsigned long flags;
5614
5615         ndev = NULL;
5616         memcpy(&temp_dev_no, read_dev_no, 2);
5617         read_lock_irqsave(&qeth_card_list.rwlock, flags);
5618         list_for_each_entry(card, &qeth_card_list.list, list) {
5619                 readno = CARD_RDEV_ID(card);
5620                 readno += (strlen(readno) - 4);
5621                 card_dev_no = simple_strtoul(readno, &endp, 16);
5622                 if (card_dev_no == temp_dev_no) {
5623                         ndev = card->dev;
5624                         break;
5625                 }
5626         }
5627         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5628         return ndev;
5629 }
5630
5631 int
5632 qeth_osn_register(unsigned char *read_dev_no,
5633                   struct net_device **dev,
5634                   int (*assist_cb)(struct net_device *, void *),
5635                   int (*data_cb)(struct sk_buff *))
5636 {
5637         struct qeth_card * card;
5638
5639         QETH_DBF_TEXT(trace, 2, "osnreg");
5640         *dev = qeth_netdev_by_devno(read_dev_no);
5641         if (*dev == NULL)
5642                 return -ENODEV;
5643         card = (struct qeth_card *)(*dev)->priv;
5644         if (!card)
5645                 return -ENODEV;
5646         if ((assist_cb == NULL) || (data_cb == NULL))
5647                 return -EINVAL;
5648         card->osn_info.assist_cb = assist_cb;
5649         card->osn_info.data_cb = data_cb;
5650         return 0;
5651 }
5652
5653 void
5654 qeth_osn_deregister(struct net_device * dev)
5655 {
5656         struct qeth_card *card;
5657
5658         QETH_DBF_TEXT(trace, 2, "osndereg");
5659         if (!dev)
5660                 return;
5661         card = (struct qeth_card *)dev->priv;
5662         if (!card)
5663                 return;
5664         card->osn_info.assist_cb = NULL;
5665         card->osn_info.data_cb = NULL;
5666         return;
5667 }
5668
5669 static void
5670 qeth_delete_mc_addresses(struct qeth_card *card)
5671 {
5672         struct qeth_ipaddr *iptodo;
5673         unsigned long flags;
5674
5675         QETH_DBF_TEXT(trace,4,"delmc");
5676         iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5677         if (!iptodo) {
5678                 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5679                 return;
5680         }
5681         iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5682         spin_lock_irqsave(&card->ip_lock, flags);
5683         if (!__qeth_insert_ip_todo(card, iptodo, 0))
5684                 kfree(iptodo);
5685         spin_unlock_irqrestore(&card->ip_lock, flags);
5686 }
5687
5688 static inline void
5689 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5690 {
5691         struct qeth_ipaddr *ipm;
5692         struct ip_mc_list *im4;
5693         char buf[MAX_ADDR_LEN];
5694
5695         QETH_DBF_TEXT(trace,4,"addmc");
5696         for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5697                 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5698                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5699                 if (!ipm)
5700                         continue;
5701                 ipm->u.a4.addr = im4->multiaddr;
5702                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5703                 ipm->is_multicast = 1;
5704                 if (!qeth_add_ip(card,ipm))
5705                         kfree(ipm);
5706         }
5707 }
5708
5709 static inline void
5710 qeth_add_vlan_mc(struct qeth_card *card)
5711 {
5712 #ifdef CONFIG_QETH_VLAN
5713         struct in_device *in_dev;
5714         struct vlan_group *vg;
5715         int i;
5716
5717         QETH_DBF_TEXT(trace,4,"addmcvl");
5718         if ( ((card->options.layer2 == 0) &&
5719               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5720              (card->vlangrp == NULL) )
5721                 return ;
5722
5723         vg = card->vlangrp;
5724         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5725                 if (vg->vlan_devices[i] == NULL ||
5726                     !(vg->vlan_devices[i]->flags & IFF_UP))
5727                         continue;
5728                 in_dev = in_dev_get(vg->vlan_devices[i]);
5729                 if (!in_dev)
5730                         continue;
5731                 read_lock(&in_dev->mc_list_lock);
5732                 qeth_add_mc(card,in_dev);
5733                 read_unlock(&in_dev->mc_list_lock);
5734                 in_dev_put(in_dev);
5735         }
5736 #endif
5737 }
5738
5739 static void
5740 qeth_add_multicast_ipv4(struct qeth_card *card)
5741 {
5742         struct in_device *in4_dev;
5743
5744         QETH_DBF_TEXT(trace,4,"chkmcv4");
5745         in4_dev = in_dev_get(card->dev);
5746         if (in4_dev == NULL)
5747                 return;
5748         read_lock(&in4_dev->mc_list_lock);
5749         qeth_add_mc(card, in4_dev);
5750         qeth_add_vlan_mc(card);
5751         read_unlock(&in4_dev->mc_list_lock);
5752         in_dev_put(in4_dev);
5753 }
5754
5755 static void
5756 qeth_layer2_add_multicast(struct qeth_card *card)
5757 {
5758         struct qeth_ipaddr *ipm;
5759         struct dev_mc_list *dm;
5760
5761         QETH_DBF_TEXT(trace,4,"L2addmc");
5762         for (dm = card->dev->mc_list; dm; dm = dm->next) {
5763                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5764                 if (!ipm)
5765                         continue;
5766                 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5767                 ipm->is_multicast = 1;
5768                 if (!qeth_add_ip(card, ipm))
5769                         kfree(ipm);
5770         }
5771 }
5772
5773 #ifdef CONFIG_QETH_IPV6
5774 static inline void
5775 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5776 {
5777         struct qeth_ipaddr *ipm;
5778         struct ifmcaddr6 *im6;
5779         char buf[MAX_ADDR_LEN];
5780
5781         QETH_DBF_TEXT(trace,4,"addmc6");
5782         for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5783                 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5784                 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5785                 if (!ipm)
5786                         continue;
5787                 ipm->is_multicast = 1;
5788                 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5789                 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5790                        sizeof(struct in6_addr));
5791                 if (!qeth_add_ip(card,ipm))
5792                         kfree(ipm);
5793         }
5794 }
5795
5796 static inline void
5797 qeth_add_vlan_mc6(struct qeth_card *card)
5798 {
5799 #ifdef CONFIG_QETH_VLAN
5800         struct inet6_dev *in_dev;
5801         struct vlan_group *vg;
5802         int i;
5803
5804         QETH_DBF_TEXT(trace,4,"admc6vl");
5805         if ( ((card->options.layer2 == 0) &&
5806               (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5807              (card->vlangrp == NULL))
5808                 return ;
5809
5810         vg = card->vlangrp;
5811         for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5812                 if (vg->vlan_devices[i] == NULL ||
5813                     !(vg->vlan_devices[i]->flags & IFF_UP))
5814                         continue;
5815                 in_dev = in6_dev_get(vg->vlan_devices[i]);
5816                 if (!in_dev)
5817                         continue;
5818                 read_lock(&in_dev->lock);
5819                 qeth_add_mc6(card,in_dev);
5820                 read_unlock(&in_dev->lock);
5821                 in6_dev_put(in_dev);
5822         }
5823 #endif /* CONFIG_QETH_VLAN */
5824 }
5825
5826 static void
5827 qeth_add_multicast_ipv6(struct qeth_card *card)
5828 {
5829         struct inet6_dev *in6_dev;
5830
5831         QETH_DBF_TEXT(trace,4,"chkmcv6");
5832         if (!qeth_is_supported(card, IPA_IPV6))
5833                 return ;
5834         in6_dev = in6_dev_get(card->dev);
5835         if (in6_dev == NULL)
5836                 return;
5837         read_lock(&in6_dev->lock);
5838         qeth_add_mc6(card, in6_dev);
5839         qeth_add_vlan_mc6(card);
5840         read_unlock(&in6_dev->lock);
5841         in6_dev_put(in6_dev);
5842 }
5843 #endif /* CONFIG_QETH_IPV6 */
5844
5845 static int
5846 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5847                            enum qeth_ipa_cmds ipacmd,
5848                            int (*reply_cb) (struct qeth_card *,
5849                                             struct qeth_reply*,
5850                                             unsigned long))
5851 {
5852         struct qeth_ipa_cmd *cmd;
5853         struct qeth_cmd_buffer *iob;
5854
5855         QETH_DBF_TEXT(trace, 2, "L2sdmac");
5856         iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5857         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5858         cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5859         memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5860         return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5861 }
5862
5863 static int
5864 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5865                                 struct qeth_reply *reply,
5866                                 unsigned long data)
5867 {
5868         struct qeth_ipa_cmd *cmd;
5869         __u8 *mac;
5870
5871         QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5872         cmd = (struct qeth_ipa_cmd *) data;
5873         mac = &cmd->data.setdelmac.mac[0];
5874         /* MAC already registered, needed in couple/uncouple case */
5875         if (cmd->hdr.return_code == 0x2005) {
5876                 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5877                           "already existing on %s \n",
5878                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5879                           QETH_CARD_IFNAME(card));
5880                 cmd->hdr.return_code = 0;
5881         }
5882         if (cmd->hdr.return_code)
5883                 PRINT_ERR("Could not set group MAC " \
5884                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5885                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5886                           QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5887         return 0;
5888 }
5889
5890 static int
5891 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5892 {
5893         QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5894         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5895                                           qeth_layer2_send_setgroupmac_cb);
5896 }
5897
5898 static int
5899 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5900                                 struct qeth_reply *reply,
5901                                 unsigned long data)
5902 {
5903         struct qeth_ipa_cmd *cmd;
5904         __u8 *mac;
5905
5906         QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5907         cmd = (struct qeth_ipa_cmd *) data;
5908         mac = &cmd->data.setdelmac.mac[0];
5909         if (cmd->hdr.return_code)
5910                 PRINT_ERR("Could not delete group MAC " \
5911                           "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5912                           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5913                           QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5914         return 0;
5915 }
5916
5917 static int
5918 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5919 {
5920         QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5921         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5922                                           qeth_layer2_send_delgroupmac_cb);
5923 }
5924
5925 static int
5926 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5927                            struct qeth_reply *reply,
5928                            unsigned long data)
5929 {
5930         struct qeth_ipa_cmd *cmd;
5931
5932         QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5933         cmd = (struct qeth_ipa_cmd *) data;
5934         if (cmd->hdr.return_code) {
5935                 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5936                 PRINT_WARN("Error in registering MAC address on " \
5937                            "device %s: x%x\n", CARD_BUS_ID(card),
5938                            cmd->hdr.return_code);
5939                 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5940                 cmd->hdr.return_code = -EIO;
5941         } else {
5942                 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5943                 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5944                        OSA_ADDR_LEN);
5945                 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5946                            "successfully registered on device %s\n",
5947                            card->dev->dev_addr[0], card->dev->dev_addr[1],
5948                            card->dev->dev_addr[2], card->dev->dev_addr[3],
5949                            card->dev->dev_addr[4], card->dev->dev_addr[5],
5950                            card->dev->name);
5951         }
5952         return 0;
5953 }
5954
5955 static int
5956 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5957 {
5958         QETH_DBF_TEXT(trace, 2, "L2Setmac");
5959         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5960                                           qeth_layer2_send_setmac_cb);
5961 }
5962
5963 static int
5964 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5965                            struct qeth_reply *reply,
5966                            unsigned long data)
5967 {
5968         struct qeth_ipa_cmd *cmd;
5969
5970         QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5971         cmd = (struct qeth_ipa_cmd *) data;
5972         if (cmd->hdr.return_code) {
5973                 PRINT_WARN("Error in deregistering MAC address on " \
5974                            "device %s: x%x\n", CARD_BUS_ID(card),
5975                            cmd->hdr.return_code);
5976                 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5977                 cmd->hdr.return_code = -EIO;
5978                 return 0;
5979         }
5980         card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5981
5982         return 0;
5983 }
5984 static int
5985 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5986 {
5987         QETH_DBF_TEXT(trace, 2, "L2Delmac");
5988         if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5989                 return 0;
5990         return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5991                                           qeth_layer2_send_delmac_cb);
5992 }
5993
5994 static int
5995 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5996 {
5997         struct sockaddr *addr = p;
5998         struct qeth_card *card;
5999         int rc = 0;
6000
6001         QETH_DBF_TEXT(trace, 3, "setmac");
6002
6003         if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6004                 QETH_DBF_TEXT(trace, 3, "setmcINV");
6005                 return -EOPNOTSUPP;
6006         }
6007         card = (struct qeth_card *) dev->priv;
6008
6009         if (!card->options.layer2) {
6010                 PRINT_WARN("Setting MAC address on %s is not supported "
6011                            "in Layer 3 mode.\n", dev->name);
6012                 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6013                 return -EOPNOTSUPP;
6014         }
6015         if (card->info.type == QETH_CARD_TYPE_OSN) {
6016                 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6017                            dev->name);
6018                 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6019                 return -EOPNOTSUPP;
6020         }
6021         QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6022         QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6023         rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6024         if (!rc)
6025                 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6026         return rc;
6027 }
6028
6029 static void
6030 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6031                         __u8 command, enum qeth_prot_versions prot)
6032 {
6033         memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6034         cmd->hdr.command = command;
6035         cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6036         cmd->hdr.seqno = card->seqno.ipa;
6037         cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6038         cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6039         if (card->options.layer2)
6040                 cmd->hdr.prim_version_no = 2;
6041         else
6042                 cmd->hdr.prim_version_no = 1;
6043         cmd->hdr.param_count = 1;
6044         cmd->hdr.prot_version = prot;
6045         cmd->hdr.ipa_supported = 0;
6046         cmd->hdr.ipa_enabled = 0;
6047 }
6048
6049 static struct qeth_cmd_buffer *
6050 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6051                        enum qeth_prot_versions prot)
6052 {
6053         struct qeth_cmd_buffer *iob;
6054         struct qeth_ipa_cmd *cmd;
6055
6056         iob = qeth_wait_for_buffer(&card->write);
6057         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6058         qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6059
6060         return iob;
6061 }
6062
6063 static int
6064 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6065 {
6066         int rc;
6067         struct qeth_cmd_buffer *iob;
6068         struct qeth_ipa_cmd *cmd;
6069
6070         QETH_DBF_TEXT(trace,4,"setdelmc");
6071
6072         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6073         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6074         memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6075         if (addr->proto == QETH_PROT_IPV6)
6076                 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6077                        sizeof(struct in6_addr));
6078         else
6079                 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6080
6081         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6082
6083         return rc;
6084 }
6085 static inline void
6086 qeth_fill_netmask(u8 *netmask, unsigned int len)
6087 {
6088         int i,j;
6089         for (i=0;i<16;i++) {
6090                 j=(len)-(i*8);
6091                 if (j >= 8)
6092                         netmask[i] = 0xff;
6093                 else if (j > 0)
6094                         netmask[i] = (u8)(0xFF00>>j);
6095                 else
6096                         netmask[i] = 0;
6097         }
6098 }
6099
6100 static int
6101 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6102                    int ipacmd, unsigned int flags)
6103 {
6104         int rc;
6105         struct qeth_cmd_buffer *iob;
6106         struct qeth_ipa_cmd *cmd;
6107         __u8 netmask[16];
6108
6109         QETH_DBF_TEXT(trace,4,"setdelip");
6110         QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6111
6112         iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6113         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6114         if (addr->proto == QETH_PROT_IPV6) {
6115                 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6116                        sizeof(struct in6_addr));
6117                 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6118                 memcpy(cmd->data.setdelip6.mask, netmask,
6119                        sizeof(struct in6_addr));
6120                 cmd->data.setdelip6.flags = flags;
6121         } else {
6122                 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6123                 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6124                 cmd->data.setdelip4.flags = flags;
6125         }
6126
6127         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6128
6129         return rc;
6130 }
6131
6132 static int
6133 qeth_layer2_register_addr_entry(struct qeth_card *card,
6134                                 struct qeth_ipaddr *addr)
6135 {
6136         if (!addr->is_multicast)
6137                 return 0;
6138         QETH_DBF_TEXT(trace, 2, "setgmac");
6139         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6140         return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6141 }
6142
6143 static int
6144 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6145                                   struct qeth_ipaddr *addr)
6146 {
6147         if (!addr->is_multicast)
6148                 return 0;
6149         QETH_DBF_TEXT(trace, 2, "delgmac");
6150         QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6151         return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6152 }
6153
6154 static int
6155 qeth_layer3_register_addr_entry(struct qeth_card *card,
6156                                 struct qeth_ipaddr *addr)
6157 {
6158         char buf[50];
6159         int rc;
6160         int cnt = 3;
6161
6162         if (addr->proto == QETH_PROT_IPV4) {
6163                 QETH_DBF_TEXT(trace, 2,"setaddr4");
6164                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6165         } else if (addr->proto == QETH_PROT_IPV6) {
6166                 QETH_DBF_TEXT(trace, 2, "setaddr6");
6167                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6168                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6169         } else {
6170                 QETH_DBF_TEXT(trace, 2, "setaddr?");
6171                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6172         }
6173         do {
6174                 if (addr->is_multicast)
6175                         rc =  qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6176                 else
6177                         rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6178                                         addr->set_flags);
6179                 if (rc)
6180                         QETH_DBF_TEXT(trace, 2, "failed");
6181         } while ((--cnt > 0) && rc);
6182         if (rc){
6183                 QETH_DBF_TEXT(trace, 2, "FAILED");
6184                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6185                 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6186                            buf, rc, rc);
6187         }
6188         return rc;
6189 }
6190
6191 static int
6192 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6193                                   struct qeth_ipaddr *addr)
6194 {
6195         //char buf[50];
6196         int rc;
6197
6198         if (addr->proto == QETH_PROT_IPV4) {
6199                 QETH_DBF_TEXT(trace, 2,"deladdr4");
6200                 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6201         } else if (addr->proto == QETH_PROT_IPV6) {
6202                 QETH_DBF_TEXT(trace, 2, "deladdr6");
6203                 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6204                 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6205         } else {
6206                 QETH_DBF_TEXT(trace, 2, "deladdr?");
6207                 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6208         }
6209         if (addr->is_multicast)
6210                 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6211         else
6212                 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6213                                         addr->del_flags);
6214         if (rc) {
6215                 QETH_DBF_TEXT(trace, 2, "failed");
6216                 /* TODO: re-activate this warning as soon as we have a
6217                  * clean mirco code
6218                 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6219                 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6220                            buf, rc);
6221                 */
6222         }
6223         return rc;
6224 }
6225
6226 static int
6227 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6228 {
6229         if (card->options.layer2)
6230                 return qeth_layer2_register_addr_entry(card, addr);
6231
6232         return qeth_layer3_register_addr_entry(card, addr);
6233 }
6234
6235 static int
6236 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6237 {
6238         if (card->options.layer2)
6239                 return qeth_layer2_deregister_addr_entry(card, addr);
6240
6241         return qeth_layer3_deregister_addr_entry(card, addr);
6242 }
6243
6244 static u32
6245 qeth_ethtool_get_tx_csum(struct net_device *dev)
6246 {
6247         /* We may need to say that we support tx csum offload if
6248          * we do EDDP or TSO. There are discussions going on to
6249          * enforce rules in the stack and in ethtool that make
6250          * SG and TSO depend on HW_CSUM. At the moment there are
6251          * no such rules....
6252          * If we say yes here, we have to checksum outbound packets
6253          * any time. */
6254         return 0;
6255 }
6256
6257 static int
6258 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6259 {
6260         return -EINVAL;
6261 }
6262
6263 static u32
6264 qeth_ethtool_get_rx_csum(struct net_device *dev)
6265 {
6266         struct qeth_card *card = (struct qeth_card *)dev->priv;
6267
6268         return (card->options.checksum_type == HW_CHECKSUMMING);
6269 }
6270
6271 static int
6272 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6273 {
6274         struct qeth_card *card = (struct qeth_card *)dev->priv;
6275
6276         if ((card->state != CARD_STATE_DOWN) &&
6277             (card->state != CARD_STATE_RECOVER))
6278                 return -EPERM;
6279         if (data)
6280                 card->options.checksum_type = HW_CHECKSUMMING;
6281         else
6282                 card->options.checksum_type = SW_CHECKSUMMING;
6283         return 0;
6284 }
6285
6286 static u32
6287 qeth_ethtool_get_sg(struct net_device *dev)
6288 {
6289         struct qeth_card *card = (struct qeth_card *)dev->priv;
6290
6291         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6292                 (dev->features & NETIF_F_SG));
6293 }
6294
6295 static int
6296 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6297 {
6298         struct qeth_card *card = (struct qeth_card *)dev->priv;
6299
6300         if (data) {
6301                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6302                         dev->features |= NETIF_F_SG;
6303                 else {
6304                         dev->features &= ~NETIF_F_SG;
6305                         return -EINVAL;
6306                 }
6307         } else
6308                 dev->features &= ~NETIF_F_SG;
6309         return 0;
6310 }
6311
6312 static u32
6313 qeth_ethtool_get_tso(struct net_device *dev)
6314 {
6315         struct qeth_card *card = (struct qeth_card *)dev->priv;
6316
6317         return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6318                 (dev->features & NETIF_F_TSO));
6319 }
6320
6321 static int
6322 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6323 {
6324         struct qeth_card *card = (struct qeth_card *)dev->priv;
6325
6326         if (data) {
6327                 if (card->options.large_send != QETH_LARGE_SEND_NO)
6328                         dev->features |= NETIF_F_TSO;
6329                 else {
6330                         dev->features &= ~NETIF_F_TSO;
6331                         return -EINVAL;
6332                 }
6333         } else
6334                 dev->features &= ~NETIF_F_TSO;
6335         return 0;
6336 }
6337
6338 static struct ethtool_ops qeth_ethtool_ops = {
6339         .get_tx_csum = qeth_ethtool_get_tx_csum,
6340         .set_tx_csum = qeth_ethtool_set_tx_csum,
6341         .get_rx_csum = qeth_ethtool_get_rx_csum,
6342         .set_rx_csum = qeth_ethtool_set_rx_csum,
6343         .get_sg      = qeth_ethtool_get_sg,
6344         .set_sg      = qeth_ethtool_set_sg,
6345         .get_tso     = qeth_ethtool_get_tso,
6346         .set_tso     = qeth_ethtool_set_tso,
6347 };
6348
6349 static int
6350 qeth_netdev_init(struct net_device *dev)
6351 {
6352         struct qeth_card *card;
6353
6354         card = (struct qeth_card *) dev->priv;
6355
6356         QETH_DBF_TEXT(trace,3,"initdev");
6357
6358         dev->tx_timeout = &qeth_tx_timeout;
6359         dev->watchdog_timeo = QETH_TX_TIMEOUT;
6360         dev->open = qeth_open;
6361         dev->stop = qeth_stop;
6362         dev->hard_start_xmit = qeth_hard_start_xmit;
6363         dev->do_ioctl = qeth_do_ioctl;
6364         dev->get_stats = qeth_get_stats;
6365         dev->change_mtu = qeth_change_mtu;
6366         dev->neigh_setup = qeth_neigh_setup;
6367         dev->set_multicast_list = qeth_set_multicast_list;
6368 #ifdef CONFIG_QETH_VLAN
6369         dev->vlan_rx_register = qeth_vlan_rx_register;
6370         dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6371         dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6372 #endif
6373         if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6374                 dev->rebuild_header = NULL;
6375                 dev->hard_header = NULL;
6376                 dev->header_cache_update = NULL;
6377                 dev->hard_header_cache = NULL;
6378         }
6379 #ifdef CONFIG_QETH_IPV6
6380         /*IPv6 address autoconfiguration stuff*/
6381         if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6382                 card->dev->dev_id = card->info.unique_id & 0xffff;
6383 #endif
6384         if (card->options.fake_ll &&
6385                 (qeth_get_netdev_flags(card) & IFF_NOARP))
6386                         dev->hard_header = qeth_fake_header;
6387         dev->hard_header_parse = NULL;
6388         dev->set_mac_address = qeth_layer2_set_mac_address;
6389         dev->flags |= qeth_get_netdev_flags(card);
6390         if ((card->options.fake_broadcast) ||
6391             (card->info.broadcast_capable))
6392                 dev->flags |= IFF_BROADCAST;
6393         dev->hard_header_len =
6394                         qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6395         dev->addr_len = OSA_ADDR_LEN;
6396         dev->mtu = card->info.initial_mtu;
6397         if (card->info.type != QETH_CARD_TYPE_OSN)
6398                 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6399         SET_MODULE_OWNER(dev);
6400         return 0;
6401 }
6402
6403 static void
6404 qeth_init_func_level(struct qeth_card *card)
6405 {
6406         if (card->ipato.enabled) {
6407                 if (card->info.type == QETH_CARD_TYPE_IQD)
6408                                 card->info.func_level =
6409                                         QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6410                 else
6411                                 card->info.func_level =
6412                                         QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6413         } else {
6414                 if (card->info.type == QETH_CARD_TYPE_IQD)
6415                 /*FIXME:why do we have same values for  dis and ena for osae??? */
6416                         card->info.func_level =
6417                                 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6418                 else
6419                         card->info.func_level =
6420                                 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6421         }
6422 }
6423
6424 /**
6425  * hardsetup card, initialize MPC and QDIO stuff
6426  */
6427 static int
6428 qeth_hardsetup_card(struct qeth_card *card)
6429 {
6430         int retries = 3;
6431         int rc;
6432
6433         QETH_DBF_TEXT(setup, 2, "hrdsetup");
6434
6435 retry:
6436         if (retries < 3){
6437                 PRINT_WARN("Retrying to do IDX activates.\n");
6438                 ccw_device_set_offline(CARD_DDEV(card));
6439                 ccw_device_set_offline(CARD_WDEV(card));
6440                 ccw_device_set_offline(CARD_RDEV(card));
6441                 ccw_device_set_online(CARD_RDEV(card));
6442                 ccw_device_set_online(CARD_WDEV(card));
6443                 ccw_device_set_online(CARD_DDEV(card));
6444         }
6445         rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6446         if (rc == -ERESTARTSYS) {
6447                 QETH_DBF_TEXT(setup, 2, "break1");
6448                 return rc;
6449         } else if (rc) {
6450                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6451                 if (--retries < 0)
6452                         goto out;
6453                 else
6454                         goto retry;
6455         }
6456         if ((rc = qeth_get_unitaddr(card))){
6457                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6458                 return rc;
6459         }
6460         qeth_init_tokens(card);
6461         qeth_init_func_level(card);
6462         rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6463         if (rc == -ERESTARTSYS) {
6464                 QETH_DBF_TEXT(setup, 2, "break2");
6465                 return rc;
6466         } else if (rc) {
6467                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6468                 if (--retries < 0)
6469                         goto out;
6470                 else
6471                         goto retry;
6472         }
6473         rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6474         if (rc == -ERESTARTSYS) {
6475                 QETH_DBF_TEXT(setup, 2, "break3");
6476                 return rc;
6477         } else if (rc) {
6478                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6479                 if (--retries < 0)
6480                         goto out;
6481                 else
6482                         goto retry;
6483         }
6484         if ((rc = qeth_mpc_initialize(card))){
6485                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6486                 goto out;
6487         }
6488         /*network device will be recovered*/
6489         if (card->dev) {
6490                 card->dev->hard_header = card->orig_hard_header;
6491                 if (card->options.fake_ll &&
6492                     (qeth_get_netdev_flags(card) & IFF_NOARP))
6493                         card->dev->hard_header = qeth_fake_header;
6494                 return 0;
6495         }
6496         /* at first set_online allocate netdev */
6497         card->dev = qeth_get_netdevice(card->info.type,
6498                                        card->info.link_type);
6499         if (!card->dev){
6500                 qeth_qdio_clear_card(card, card->info.type !=
6501                                      QETH_CARD_TYPE_IQD);
6502                 rc = -ENODEV;
6503                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6504                 goto out;
6505         }
6506         card->dev->priv = card;
6507         card->orig_hard_header = card->dev->hard_header;
6508         card->dev->type = qeth_get_arphdr_type(card->info.type,
6509                                                card->info.link_type);
6510         card->dev->init = qeth_netdev_init;
6511         return 0;
6512 out:
6513         PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6514         return rc;
6515 }
6516
6517 static int
6518 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6519                             unsigned long data)
6520 {
6521         struct qeth_ipa_cmd *cmd;
6522
6523         QETH_DBF_TEXT(trace,4,"defadpcb");
6524
6525         cmd = (struct qeth_ipa_cmd *) data;
6526         if (cmd->hdr.return_code == 0){
6527                 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6528                 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6529                         card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6530 #ifdef CONFIG_QETH_IPV6
6531                 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6532                         card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6533 #endif
6534         }
6535         if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6536             cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6537                 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6538                 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6539         }
6540         return 0;
6541 }
6542
6543 static int
6544 qeth_default_setadapterparms_cb(struct qeth_card *card,
6545                                 struct qeth_reply *reply,
6546                                 unsigned long data)
6547 {
6548         struct qeth_ipa_cmd *cmd;
6549
6550         QETH_DBF_TEXT(trace,4,"defadpcb");
6551
6552         cmd = (struct qeth_ipa_cmd *) data;
6553         if (cmd->hdr.return_code == 0)
6554                 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6555         return 0;
6556 }
6557
6558
6559
6560 static int
6561 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6562                               unsigned long data)
6563 {
6564         struct qeth_ipa_cmd *cmd;
6565
6566         QETH_DBF_TEXT(trace,3,"quyadpcb");
6567
6568         cmd = (struct qeth_ipa_cmd *) data;
6569         if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6570                 card->info.link_type =
6571                       cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6572         card->options.adp.supported_funcs =
6573                 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6574         return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6575 }
6576
6577 static int
6578 qeth_query_setadapterparms(struct qeth_card *card)
6579 {
6580         int rc;
6581         struct qeth_cmd_buffer *iob;
6582
6583         QETH_DBF_TEXT(trace,3,"queryadp");
6584         iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6585                                    sizeof(struct qeth_ipacmd_setadpparms));
6586         rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6587         return rc;
6588 }
6589
6590 static int
6591 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6592                                    struct qeth_reply *reply,
6593                                    unsigned long data)
6594 {
6595         struct qeth_ipa_cmd *cmd;
6596
6597         QETH_DBF_TEXT(trace,4,"chgmaccb");
6598
6599         cmd = (struct qeth_ipa_cmd *) data;
6600         if (!card->options.layer2 || card->info.guestlan ||
6601             !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6602                 memcpy(card->dev->dev_addr,
6603                        &cmd->data.setadapterparms.data.change_addr.addr,
6604                        OSA_ADDR_LEN);
6605                 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6606         }
6607         qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6608         return 0;
6609 }
6610
6611 static int
6612 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6613 {
6614         int rc;
6615         struct qeth_cmd_buffer *iob;
6616         struct qeth_ipa_cmd *cmd;
6617
6618         QETH_DBF_TEXT(trace,4,"chgmac");
6619
6620         iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6621                                    sizeof(struct qeth_ipacmd_setadpparms));
6622         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6623         cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6624         cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6625         memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6626                card->dev->dev_addr, OSA_ADDR_LEN);
6627         rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6628                                NULL);
6629         return rc;
6630 }
6631
6632 static int
6633 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6634 {
6635         int rc;
6636         struct qeth_cmd_buffer *iob;
6637         struct qeth_ipa_cmd *cmd;
6638
6639         QETH_DBF_TEXT(trace,4,"adpmode");
6640
6641         iob = qeth_get_adapter_cmd(card, command,
6642                                    sizeof(struct qeth_ipacmd_setadpparms));
6643         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6644         cmd->data.setadapterparms.data.mode = mode;
6645         rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6646                                NULL);
6647         return rc;
6648 }
6649
6650 static inline int
6651 qeth_setadapter_hstr(struct qeth_card *card)
6652 {
6653         int rc;
6654
6655         QETH_DBF_TEXT(trace,4,"adphstr");
6656
6657         if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6658                 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6659                                            card->options.broadcast_mode);
6660                 if (rc)
6661                         PRINT_WARN("couldn't set broadcast mode on "
6662                                    "device %s: x%x\n",
6663                                    CARD_BUS_ID(card), rc);
6664                 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6665                                            card->options.macaddr_mode);
6666                 if (rc)
6667                         PRINT_WARN("couldn't set macaddr mode on "
6668                                    "device %s: x%x\n", CARD_BUS_ID(card), rc);
6669                 return rc;
6670         }
6671         if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6672                 PRINT_WARN("set adapter parameters not available "
6673                            "to set broadcast mode, using ALLRINGS "
6674                            "on device %s:\n", CARD_BUS_ID(card));
6675         if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6676                 PRINT_WARN("set adapter parameters not available "
6677                            "to set macaddr mode, using NONCANONICAL "
6678                            "on device %s:\n", CARD_BUS_ID(card));
6679         return 0;
6680 }
6681
6682 static int
6683 qeth_setadapter_parms(struct qeth_card *card)
6684 {
6685         int rc;
6686
6687         QETH_DBF_TEXT(setup, 2, "setadprm");
6688
6689         if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6690                 PRINT_WARN("set adapter parameters not supported "
6691                            "on device %s.\n",
6692                            CARD_BUS_ID(card));
6693                 QETH_DBF_TEXT(setup, 2, " notsupp");
6694                 return 0;
6695         }
6696         rc = qeth_query_setadapterparms(card);
6697         if (rc) {
6698                 PRINT_WARN("couldn't set adapter parameters on device %s: "
6699                            "x%x\n", CARD_BUS_ID(card), rc);
6700                 return rc;
6701         }
6702         if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6703                 rc = qeth_setadpparms_change_macaddr(card);
6704                 if (rc)
6705                         PRINT_WARN("couldn't get MAC address on "
6706                                    "device %s: x%x\n",
6707                                    CARD_BUS_ID(card), rc);
6708         }
6709
6710         if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6711             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6712                 rc = qeth_setadapter_hstr(card);
6713
6714         return rc;
6715 }
6716
6717 static int
6718 qeth_layer2_initialize(struct qeth_card *card)
6719 {
6720         int rc = 0;
6721
6722
6723         QETH_DBF_TEXT(setup, 2, "doL2init");
6724         QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6725
6726         rc = qeth_query_setadapterparms(card);
6727         if (rc) {
6728                 PRINT_WARN("could not query adapter parameters on device %s: "
6729                            "x%x\n", CARD_BUS_ID(card), rc);
6730         }
6731
6732         rc = qeth_setadpparms_change_macaddr(card);
6733         if (rc) {
6734                 PRINT_WARN("couldn't get MAC address on "
6735                            "device %s: x%x\n",
6736                            CARD_BUS_ID(card), rc);
6737                 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6738                 return rc;
6739         }
6740         QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6741
6742         rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6743         if (rc)
6744                 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6745         return 0;
6746 }
6747
6748
6749 static int
6750 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6751                        enum qeth_prot_versions prot)
6752 {
6753         int rc;
6754         struct qeth_cmd_buffer *iob;
6755
6756         iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6757         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6758
6759         return rc;
6760 }
6761
6762 static int
6763 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6764 {
6765         int rc;
6766
6767         QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6768
6769         rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6770         return rc;
6771 }
6772
6773 static int
6774 qeth_send_stoplan(struct qeth_card *card)
6775 {
6776         int rc = 0;
6777
6778         /*
6779          * TODO: according to the IPA format document page 14,
6780          * TCP/IP (we!) never issue a STOPLAN
6781          * is this right ?!?
6782          */
6783         QETH_DBF_TEXT(trace, 2, "stoplan");
6784
6785         rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6786         return rc;
6787 }
6788
6789 static int
6790 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6791                         unsigned long data)
6792 {
6793         struct qeth_ipa_cmd *cmd;
6794
6795         QETH_DBF_TEXT(setup, 2, "qipasscb");
6796
6797         cmd = (struct qeth_ipa_cmd *) data;
6798         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6799                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6800                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6801                 /* Disable IPV6 support hard coded for Hipersockets */
6802                 if(card->info.type == QETH_CARD_TYPE_IQD)
6803                         card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6804         } else {
6805 #ifdef CONFIG_QETH_IPV6
6806                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6807                 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6808 #endif
6809         }
6810         QETH_DBF_TEXT(setup, 2, "suppenbl");
6811         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6812         QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6813         return 0;
6814 }
6815
6816 static int
6817 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6818 {
6819         int rc;
6820         struct qeth_cmd_buffer *iob;
6821
6822         QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6823         if (card->options.layer2) {
6824                 QETH_DBF_TEXT(setup, 2, "noprmly2");
6825                 return -EPERM;
6826         }
6827
6828         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6829         rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6830         return rc;
6831 }
6832
6833 static struct qeth_cmd_buffer *
6834 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6835                          __u16 cmd_code, __u16 len,
6836                          enum qeth_prot_versions prot)
6837 {
6838         struct qeth_cmd_buffer *iob;
6839         struct qeth_ipa_cmd *cmd;
6840
6841         QETH_DBF_TEXT(trace,4,"getasscm");
6842         iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6843
6844         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6845         cmd->data.setassparms.hdr.assist_no = ipa_func;
6846         cmd->data.setassparms.hdr.length = 8 + len;
6847         cmd->data.setassparms.hdr.command_code = cmd_code;
6848         cmd->data.setassparms.hdr.return_code = 0;
6849         cmd->data.setassparms.hdr.seq_no = 0;
6850
6851         return iob;
6852 }
6853
6854 static int
6855 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6856                       __u16 len, long data,
6857                       int (*reply_cb)
6858                       (struct qeth_card *,struct qeth_reply *,unsigned long),
6859                       void *reply_param)
6860 {
6861         int rc;
6862         struct qeth_ipa_cmd *cmd;
6863
6864         QETH_DBF_TEXT(trace,4,"sendassp");
6865
6866         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6867         if (len <= sizeof(__u32))
6868                 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6869         else   /* (len > sizeof(__u32)) */
6870                 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6871
6872         rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6873         return rc;
6874 }
6875
6876 #ifdef CONFIG_QETH_IPV6
6877 static int
6878 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6879                                   enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6880
6881 {
6882         int rc;
6883         struct qeth_cmd_buffer *iob;
6884
6885         QETH_DBF_TEXT(trace,4,"simassp6");
6886         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6887                                        0, QETH_PROT_IPV6);
6888         rc = qeth_send_setassparms(card, iob, 0, 0,
6889                                    qeth_default_setassparms_cb, NULL);
6890         return rc;
6891 }
6892 #endif
6893
6894 static int
6895 qeth_send_simple_setassparms(struct qeth_card *card,
6896                              enum qeth_ipa_funcs ipa_func,
6897                              __u16 cmd_code, long data)
6898 {
6899         int rc;
6900         int length = 0;
6901         struct qeth_cmd_buffer *iob;
6902
6903         QETH_DBF_TEXT(trace,4,"simassp4");
6904         if (data)
6905                 length = sizeof(__u32);
6906         iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6907                                        length, QETH_PROT_IPV4);
6908         rc = qeth_send_setassparms(card, iob, length, data,
6909                                    qeth_default_setassparms_cb, NULL);
6910         return rc;
6911 }
6912
6913 static inline int
6914 qeth_start_ipa_arp_processing(struct qeth_card *card)
6915 {
6916         int rc;
6917
6918         QETH_DBF_TEXT(trace,3,"ipaarp");
6919
6920         if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6921                 PRINT_WARN("ARP processing not supported "
6922                            "on %s!\n", QETH_CARD_IFNAME(card));
6923                 return 0;
6924         }
6925         rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6926                                           IPA_CMD_ASS_START, 0);
6927         if (rc) {
6928                 PRINT_WARN("Could not start ARP processing "
6929                            "assist on %s: 0x%x\n",
6930                            QETH_CARD_IFNAME(card), rc);
6931         }
6932         return rc;
6933 }
6934
6935 static int
6936 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6937 {
6938         int rc;
6939
6940         QETH_DBF_TEXT(trace,3,"ipaipfrg");
6941
6942         if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6943                 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6944                            QETH_CARD_IFNAME(card));
6945                 return  -EOPNOTSUPP;
6946         }
6947
6948         rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6949                                           IPA_CMD_ASS_START, 0);
6950         if (rc) {
6951                 PRINT_WARN("Could not start Hardware IP fragmentation "
6952                            "assist on %s: 0x%x\n",
6953                            QETH_CARD_IFNAME(card), rc);
6954         } else
6955                 PRINT_INFO("Hardware IP fragmentation enabled \n");
6956         return rc;
6957 }
6958
6959 static int
6960 qeth_start_ipa_source_mac(struct qeth_card *card)
6961 {
6962         int rc;
6963
6964         QETH_DBF_TEXT(trace,3,"stsrcmac");
6965
6966         if (!card->options.fake_ll)
6967                 return -EOPNOTSUPP;
6968
6969         if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6970                 PRINT_INFO("Inbound source address not "
6971                            "supported on %s\n", QETH_CARD_IFNAME(card));
6972                 return -EOPNOTSUPP;
6973         }
6974
6975         rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6976                                           IPA_CMD_ASS_START, 0);
6977         if (rc)
6978                 PRINT_WARN("Could not start inbound source "
6979                            "assist on %s: 0x%x\n",
6980                            QETH_CARD_IFNAME(card), rc);
6981         return rc;
6982 }
6983
6984 static int
6985 qeth_start_ipa_vlan(struct qeth_card *card)
6986 {
6987         int rc = 0;
6988
6989         QETH_DBF_TEXT(trace,3,"strtvlan");
6990
6991 #ifdef CONFIG_QETH_VLAN
6992         if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6993                 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6994                 return -EOPNOTSUPP;
6995         }
6996
6997         rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6998                                           IPA_CMD_ASS_START,0);
6999         if (rc) {
7000                 PRINT_WARN("Could not start vlan "
7001                            "assist on %s: 0x%x\n",
7002                            QETH_CARD_IFNAME(card), rc);
7003         } else {
7004                 PRINT_INFO("VLAN enabled \n");
7005                 card->dev->features |=
7006                         NETIF_F_HW_VLAN_FILTER |
7007                         NETIF_F_HW_VLAN_TX |
7008                         NETIF_F_HW_VLAN_RX;
7009         }
7010 #endif /* QETH_VLAN */
7011         return rc;
7012 }
7013
7014 static int
7015 qeth_start_ipa_multicast(struct qeth_card *card)
7016 {
7017         int rc;
7018
7019         QETH_DBF_TEXT(trace,3,"stmcast");
7020
7021         if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7022                 PRINT_WARN("Multicast not supported on %s\n",
7023                            QETH_CARD_IFNAME(card));
7024                 return -EOPNOTSUPP;
7025         }
7026
7027         rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7028                                           IPA_CMD_ASS_START,0);
7029         if (rc) {
7030                 PRINT_WARN("Could not start multicast "
7031                            "assist on %s: rc=%i\n",
7032                            QETH_CARD_IFNAME(card), rc);
7033         } else {
7034                 PRINT_INFO("Multicast enabled\n");
7035                 card->dev->flags |= IFF_MULTICAST;
7036         }
7037         return rc;
7038 }
7039
7040 #ifdef CONFIG_QETH_IPV6
7041 static int
7042 qeth_softsetup_ipv6(struct qeth_card *card)
7043 {
7044         int rc;
7045
7046         QETH_DBF_TEXT(trace,3,"softipv6");
7047
7048         rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7049         if (rc) {
7050                 PRINT_ERR("IPv6 startlan failed on %s\n",
7051                           QETH_CARD_IFNAME(card));
7052                 return rc;
7053         }
7054         rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7055         if (rc) {
7056                 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7057                           QETH_CARD_IFNAME(card));
7058                 return rc;
7059         }
7060         rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7061                                           IPA_CMD_ASS_START, 3);
7062         if (rc) {
7063                 PRINT_WARN("IPv6 start assist (version 4) failed "
7064                            "on %s: 0x%x\n",
7065                            QETH_CARD_IFNAME(card), rc);
7066                 return rc;
7067         }
7068         rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7069                                                IPA_CMD_ASS_START);
7070         if (rc) {
7071                 PRINT_WARN("IPV6 start assist (version 6) failed  "
7072                            "on %s: 0x%x\n",
7073                            QETH_CARD_IFNAME(card), rc);
7074                 return rc;
7075         }
7076         rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7077                                                IPA_CMD_ASS_START);
7078         if (rc) {
7079                 PRINT_WARN("Could not enable passthrough "
7080                            "on %s: 0x%x\n",
7081                            QETH_CARD_IFNAME(card), rc);
7082                 return rc;
7083         }
7084         PRINT_INFO("IPV6 enabled \n");
7085         return 0;
7086 }
7087
7088 #endif
7089
7090 static int
7091 qeth_start_ipa_ipv6(struct qeth_card *card)
7092 {
7093         int rc = 0;
7094 #ifdef CONFIG_QETH_IPV6
7095         QETH_DBF_TEXT(trace,3,"strtipv6");
7096
7097         if (!qeth_is_supported(card, IPA_IPV6)) {
7098                 PRINT_WARN("IPv6 not supported on %s\n",
7099                            QETH_CARD_IFNAME(card));
7100                 return 0;
7101         }
7102         rc = qeth_softsetup_ipv6(card);
7103 #endif
7104         return rc ;
7105 }
7106
7107 static int
7108 qeth_start_ipa_broadcast(struct qeth_card *card)
7109 {
7110         int rc;
7111
7112         QETH_DBF_TEXT(trace,3,"stbrdcst");
7113         card->info.broadcast_capable = 0;
7114         if (!qeth_is_supported(card, IPA_FILTERING)) {
7115                 PRINT_WARN("Broadcast not supported on %s\n",
7116                            QETH_CARD_IFNAME(card));
7117                 rc = -EOPNOTSUPP;
7118                 goto out;
7119         }
7120         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7121                                           IPA_CMD_ASS_START, 0);
7122         if (rc) {
7123                 PRINT_WARN("Could not enable broadcasting filtering "
7124                            "on %s: 0x%x\n",
7125                            QETH_CARD_IFNAME(card), rc);
7126                 goto out;
7127         }
7128
7129         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7130                                           IPA_CMD_ASS_CONFIGURE, 1);
7131         if (rc) {
7132                 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7133                            QETH_CARD_IFNAME(card), rc);
7134                 goto out;
7135         }
7136         card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7137         PRINT_INFO("Broadcast enabled \n");
7138         rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7139                                           IPA_CMD_ASS_ENABLE, 1);
7140         if (rc) {
7141                 PRINT_WARN("Could not set up broadcast echo filtering on "
7142                            "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7143                 goto out;
7144         }
7145         card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7146 out:
7147         if (card->info.broadcast_capable)
7148                 card->dev->flags |= IFF_BROADCAST;
7149         else
7150                 card->dev->flags &= ~IFF_BROADCAST;
7151         return rc;
7152 }
7153
7154 static int
7155 qeth_send_checksum_command(struct qeth_card *card)
7156 {
7157         int rc;
7158
7159         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7160                                           IPA_CMD_ASS_START, 0);
7161         if (rc) {
7162                 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7163                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7164                            QETH_CARD_IFNAME(card), rc);
7165                 return rc;
7166         }
7167         rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7168                                           IPA_CMD_ASS_ENABLE,
7169                                           card->info.csum_mask);
7170         if (rc) {
7171                 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7172                            "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7173                            QETH_CARD_IFNAME(card), rc);
7174                 return rc;
7175         }
7176         return 0;
7177 }
7178
7179 static int
7180 qeth_start_ipa_checksum(struct qeth_card *card)
7181 {
7182         int rc = 0;
7183
7184         QETH_DBF_TEXT(trace,3,"strtcsum");
7185
7186         if (card->options.checksum_type == NO_CHECKSUMMING) {
7187                 PRINT_WARN("Using no checksumming on %s.\n",
7188                            QETH_CARD_IFNAME(card));
7189                 return 0;
7190         }
7191         if (card->options.checksum_type == SW_CHECKSUMMING) {
7192                 PRINT_WARN("Using SW checksumming on %s.\n",
7193                            QETH_CARD_IFNAME(card));
7194                 return 0;
7195         }
7196         if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7197                 PRINT_WARN("Inbound HW Checksumming not "
7198                            "supported on %s,\ncontinuing "
7199                            "using Inbound SW Checksumming\n",
7200                            QETH_CARD_IFNAME(card));
7201                 card->options.checksum_type = SW_CHECKSUMMING;
7202                 return 0;
7203         }
7204         rc = qeth_send_checksum_command(card);
7205         if (!rc) {
7206                 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7207         }
7208         return rc;
7209 }
7210
7211 static int
7212 qeth_start_ipa_tso(struct qeth_card *card)
7213 {
7214         int rc;
7215
7216         QETH_DBF_TEXT(trace,3,"sttso");
7217
7218         if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7219                 PRINT_WARN("Outbound TSO not supported on %s\n",
7220                            QETH_CARD_IFNAME(card));
7221                 rc = -EOPNOTSUPP;
7222         } else {
7223                 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7224                                                   IPA_CMD_ASS_START,0);
7225                 if (rc)
7226                         PRINT_WARN("Could not start outbound TSO "
7227                                    "assist on %s: rc=%i\n",
7228                                    QETH_CARD_IFNAME(card), rc);
7229                 else
7230                         PRINT_INFO("Outbound TSO enabled\n");
7231         }
7232         if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7233                 card->options.large_send = QETH_LARGE_SEND_NO;
7234                 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7235         }
7236         return rc;
7237 }
7238
7239 static int
7240 qeth_start_ipassists(struct qeth_card *card)
7241 {
7242         QETH_DBF_TEXT(trace,3,"strtipas");
7243         qeth_start_ipa_arp_processing(card);    /* go on*/
7244         qeth_start_ipa_ip_fragmentation(card);  /* go on*/
7245         qeth_start_ipa_source_mac(card);        /* go on*/
7246         qeth_start_ipa_vlan(card);              /* go on*/
7247         qeth_start_ipa_multicast(card);         /* go on*/
7248         qeth_start_ipa_ipv6(card);              /* go on*/
7249         qeth_start_ipa_broadcast(card);         /* go on*/
7250         qeth_start_ipa_checksum(card);          /* go on*/
7251         qeth_start_ipa_tso(card);               /* go on*/
7252         return 0;
7253 }
7254
7255 static int
7256 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7257                      enum qeth_prot_versions prot)
7258 {
7259         int rc;
7260         struct qeth_ipa_cmd *cmd;
7261         struct qeth_cmd_buffer *iob;
7262
7263         QETH_DBF_TEXT(trace,4,"setroutg");
7264         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7265         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7266         cmd->data.setrtg.type = (type);
7267         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7268
7269         return rc;
7270
7271 }
7272
7273 static void
7274 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7275                         enum qeth_prot_versions prot)
7276 {
7277         if (card->info.type == QETH_CARD_TYPE_IQD) {
7278                 switch (*type) {
7279                 case NO_ROUTER:
7280                 case PRIMARY_CONNECTOR:
7281                 case SECONDARY_CONNECTOR:
7282                 case MULTICAST_ROUTER:
7283                         return;
7284                 default:
7285                         goto out_inval;
7286                 }
7287         } else {
7288                 switch (*type) {
7289                 case NO_ROUTER:
7290                 case PRIMARY_ROUTER:
7291                 case SECONDARY_ROUTER:
7292                         return;
7293                 case MULTICAST_ROUTER:
7294                         if (qeth_is_ipafunc_supported(card, prot,
7295                                                       IPA_OSA_MC_ROUTER))
7296                                 return;
7297                 default:
7298                         goto out_inval;
7299                 }
7300         }
7301 out_inval:
7302         PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7303                    "Router status set to 'no router'.\n",
7304                    ((*type == PRIMARY_ROUTER)? "primary router" :
7305                     (*type == SECONDARY_ROUTER)? "secondary router" :
7306                     (*type == PRIMARY_CONNECTOR)? "primary connector" :
7307                     (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7308                     (*type == MULTICAST_ROUTER)? "multicast router" :
7309                     "unknown"),
7310                    card->dev->name);
7311         *type = NO_ROUTER;
7312 }
7313
7314 int
7315 qeth_setrouting_v4(struct qeth_card *card)
7316 {
7317         int rc;
7318
7319         QETH_DBF_TEXT(trace,3,"setrtg4");
7320
7321         qeth_correct_routing_type(card, &card->options.route4.type,
7322                                   QETH_PROT_IPV4);
7323
7324         rc = qeth_send_setrouting(card, card->options.route4.type,
7325                                   QETH_PROT_IPV4);
7326         if (rc) {
7327                 card->options.route4.type = NO_ROUTER;
7328                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7329                            "Type set to 'no router'.\n",
7330                            rc, QETH_CARD_IFNAME(card));
7331         }
7332         return rc;
7333 }
7334
7335 int
7336 qeth_setrouting_v6(struct qeth_card *card)
7337 {
7338         int rc = 0;
7339
7340         QETH_DBF_TEXT(trace,3,"setrtg6");
7341 #ifdef CONFIG_QETH_IPV6
7342
7343         qeth_correct_routing_type(card, &card->options.route6.type,
7344                                   QETH_PROT_IPV6);
7345
7346         rc = qeth_send_setrouting(card, card->options.route6.type,
7347                                   QETH_PROT_IPV6);
7348         if (rc) {
7349                 card->options.route6.type = NO_ROUTER;
7350                 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7351                            "Type set to 'no router'.\n",
7352                            rc, QETH_CARD_IFNAME(card));
7353         }
7354 #endif
7355         return rc;
7356 }
7357
7358 int
7359 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7360 {
7361         int rc = 0;
7362
7363         if (card->dev == NULL) {
7364                 card->options.large_send = type;
7365                 return 0;
7366         }
7367         if (card->state == CARD_STATE_UP)
7368                 netif_tx_disable(card->dev);
7369         card->options.large_send = type;
7370         switch (card->options.large_send) {
7371         case QETH_LARGE_SEND_EDDP:
7372                 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7373                 break;
7374         case QETH_LARGE_SEND_TSO:
7375                 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7376                         card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7377                 } else {
7378                         PRINT_WARN("TSO not supported on %s. "
7379                                    "large_send set to 'no'.\n",
7380                                    card->dev->name);
7381                         card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7382                         card->options.large_send = QETH_LARGE_SEND_NO;
7383                         rc = -EOPNOTSUPP;
7384                 }
7385                 break;
7386         default: /* includes QETH_LARGE_SEND_NO */
7387                 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7388                 break;
7389         }
7390         if (card->state == CARD_STATE_UP)
7391                 netif_wake_queue(card->dev);
7392         return rc;
7393 }
7394
7395 /*
7396  * softsetup card: init IPA stuff
7397  */
7398 static int
7399 qeth_softsetup_card(struct qeth_card *card)
7400 {
7401         int rc;
7402
7403         QETH_DBF_TEXT(setup, 2, "softsetp");
7404
7405         if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7406                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7407                 if (rc == 0xe080){
7408                         PRINT_WARN("LAN on card %s if offline! "
7409                                    "Continuing softsetup.\n",
7410                                    CARD_BUS_ID(card));
7411                         card->lan_online = 0;
7412                 } else
7413                         return rc;
7414         } else
7415                 card->lan_online = 1;
7416         if (card->info.type==QETH_CARD_TYPE_OSN)
7417                 goto out;
7418         qeth_set_large_send(card, card->options.large_send);
7419         if (card->options.layer2) {
7420                 card->dev->features |=
7421                         NETIF_F_HW_VLAN_FILTER |
7422                         NETIF_F_HW_VLAN_TX |
7423                         NETIF_F_HW_VLAN_RX;
7424                 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7425                 card->info.broadcast_capable=1;
7426                 if ((rc = qeth_layer2_initialize(card))) {
7427                         QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7428                         return rc;
7429                 }
7430 #ifdef CONFIG_QETH_VLAN
7431                 qeth_layer2_process_vlans(card, 0);
7432 #endif
7433                 goto out;
7434         }
7435         if ((rc = qeth_setadapter_parms(card)))
7436                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7437         if ((rc = qeth_start_ipassists(card)))
7438                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7439         if ((rc = qeth_setrouting_v4(card)))
7440                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7441         if ((rc = qeth_setrouting_v6(card)))
7442                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7443 out:
7444         netif_tx_disable(card->dev);
7445         return 0;
7446 }
7447
7448 #ifdef CONFIG_QETH_IPV6
7449 static int
7450 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7451                       unsigned long data)
7452 {
7453         struct qeth_ipa_cmd *cmd;
7454
7455         cmd = (struct qeth_ipa_cmd *) data;
7456         if (cmd->hdr.return_code == 0)
7457                 card->info.unique_id = *((__u16 *)
7458                                 &cmd->data.create_destroy_addr.unique_id[6]);
7459         else {
7460                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7461                                         UNIQUE_ID_NOT_BY_CARD;
7462                 PRINT_WARN("couldn't get a unique id from the card on device "
7463                            "%s (result=x%x), using default id. ipv6 "
7464                            "autoconfig on other lpars may lead to duplicate "
7465                            "ip addresses. please use manually "
7466                            "configured ones.\n",
7467                            CARD_BUS_ID(card), cmd->hdr.return_code);
7468         }
7469         return 0;
7470 }
7471 #endif
7472
7473 static int
7474 qeth_put_unique_id(struct qeth_card *card)
7475 {
7476
7477         int rc = 0;
7478 #ifdef CONFIG_QETH_IPV6
7479         struct qeth_cmd_buffer *iob;
7480         struct qeth_ipa_cmd *cmd;
7481
7482         QETH_DBF_TEXT(trace,2,"puniqeid");
7483
7484         if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7485                 UNIQUE_ID_NOT_BY_CARD)
7486                 return -1;
7487         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7488                                      QETH_PROT_IPV6);
7489         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7490         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7491                             card->info.unique_id;
7492         memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7493                card->dev->dev_addr, OSA_ADDR_LEN);
7494         rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7495 #else
7496         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7497                                 UNIQUE_ID_NOT_BY_CARD;
7498 #endif
7499         return rc;
7500 }
7501
7502 /**
7503  * Clear IP List
7504  */
7505 static void
7506 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7507 {
7508         struct qeth_ipaddr *addr, *tmp;
7509         unsigned long flags;
7510
7511         QETH_DBF_TEXT(trace,4,"clearip");
7512         spin_lock_irqsave(&card->ip_lock, flags);
7513         /* clear todo list */
7514         list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7515                 list_del(&addr->entry);
7516                 kfree(addr);
7517         }
7518
7519         while (!list_empty(&card->ip_list)) {
7520                 addr = list_entry(card->ip_list.next,
7521                                   struct qeth_ipaddr, entry);
7522                 list_del_init(&addr->entry);
7523                 if (clean) {
7524                         spin_unlock_irqrestore(&card->ip_lock, flags);
7525                         qeth_deregister_addr_entry(card, addr);
7526                         spin_lock_irqsave(&card->ip_lock, flags);
7527                 }
7528                 if (!recover || addr->is_multicast) {
7529                         kfree(addr);
7530                         continue;
7531                 }
7532                 list_add_tail(&addr->entry, card->ip_tbd_list);
7533         }
7534         spin_unlock_irqrestore(&card->ip_lock, flags);
7535 }
7536
7537 static void
7538 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7539                          int clear_start_mask)
7540 {
7541         unsigned long flags;
7542
7543         spin_lock_irqsave(&card->thread_mask_lock, flags);
7544         card->thread_allowed_mask = threads;
7545         if (clear_start_mask)
7546                 card->thread_start_mask &= threads;
7547         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7548         wake_up(&card->wait_q);
7549 }
7550
7551 static inline int
7552 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7553 {
7554         unsigned long flags;
7555         int rc = 0;
7556
7557         spin_lock_irqsave(&card->thread_mask_lock, flags);
7558         rc = (card->thread_running_mask & threads);
7559         spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7560         return rc;
7561 }
7562
7563 static int
7564 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7565 {
7566         return wait_event_interruptible(card->wait_q,
7567                         qeth_threads_running(card, threads) == 0);
7568 }
7569
7570 static int
7571 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7572 {
7573         int rc = 0;
7574
7575         QETH_DBF_TEXT(setup ,2,"stopcard");
7576         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7577
7578         qeth_set_allowed_threads(card, 0, 1);
7579         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7580                 return -ERESTARTSYS;
7581         if (card->read.state == CH_STATE_UP &&
7582             card->write.state == CH_STATE_UP &&
7583             (card->state == CARD_STATE_UP)) {
7584                 if (recovery_mode &&
7585                     card->info.type != QETH_CARD_TYPE_OSN) {
7586                         qeth_stop(card->dev);
7587                 } else {
7588                         rtnl_lock();
7589                         dev_close(card->dev);
7590                         rtnl_unlock();
7591                 }
7592                 if (!card->use_hard_stop) {
7593                         __u8 *mac = &card->dev->dev_addr[0];
7594                         rc = qeth_layer2_send_delmac(card, mac);
7595                         QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7596                         if ((rc = qeth_send_stoplan(card)))
7597                                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7598                 }
7599                 card->state = CARD_STATE_SOFTSETUP;
7600         }
7601         if (card->state == CARD_STATE_SOFTSETUP) {
7602 #ifdef CONFIG_QETH_VLAN
7603                 if (card->options.layer2)
7604                         qeth_layer2_process_vlans(card, 1);
7605 #endif
7606                 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7607                 qeth_clear_ipacmd_list(card);
7608                 card->state = CARD_STATE_HARDSETUP;
7609         }
7610         if (card->state == CARD_STATE_HARDSETUP) {
7611                 if ((!card->use_hard_stop) &&
7612                     (!card->options.layer2))
7613                         if ((rc = qeth_put_unique_id(card)))
7614                                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7615                 qeth_qdio_clear_card(card, 0);
7616                 qeth_clear_qdio_buffers(card);
7617                 qeth_clear_working_pool_list(card);
7618                 card->state = CARD_STATE_DOWN;
7619         }
7620         if (card->state == CARD_STATE_DOWN) {
7621                 qeth_clear_cmd_buffers(&card->read);
7622                 qeth_clear_cmd_buffers(&card->write);
7623         }
7624         card->use_hard_stop = 0;
7625         return rc;
7626 }
7627
7628
7629 static int
7630 qeth_get_unique_id(struct qeth_card *card)
7631 {
7632         int rc = 0;
7633 #ifdef CONFIG_QETH_IPV6
7634         struct qeth_cmd_buffer *iob;
7635         struct qeth_ipa_cmd *cmd;
7636
7637         QETH_DBF_TEXT(setup, 2, "guniqeid");
7638
7639         if (!qeth_is_supported(card,IPA_IPV6)) {
7640                 card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7641                                         UNIQUE_ID_NOT_BY_CARD;
7642                 return 0;
7643         }
7644
7645         iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7646                                      QETH_PROT_IPV6);
7647         cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7648         *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7649                             card->info.unique_id;
7650
7651         rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7652 #else
7653         card->info.unique_id =  UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7654                                 UNIQUE_ID_NOT_BY_CARD;
7655 #endif
7656         return rc;
7657 }
7658 static void
7659 qeth_print_status_with_portname(struct qeth_card *card)
7660 {
7661         char dbf_text[15];
7662         int i;
7663
7664         sprintf(dbf_text, "%s", card->info.portname + 1);
7665         for (i = 0; i < 8; i++)
7666                 dbf_text[i] =
7667                         (char) _ebcasc[(__u8) dbf_text[i]];
7668         dbf_text[8] = 0;
7669         printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7670                "with link type %s (portname: %s)\n",
7671                CARD_RDEV_ID(card),
7672                CARD_WDEV_ID(card),
7673                CARD_DDEV_ID(card),
7674                qeth_get_cardname(card),
7675                (card->info.mcl_level[0]) ? " (level: " : "",
7676                (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7677                (card->info.mcl_level[0]) ? ")" : "",
7678                qeth_get_cardname_short(card),
7679                dbf_text);
7680
7681 }
7682
7683 static void
7684 qeth_print_status_no_portname(struct qeth_card *card)
7685 {
7686         if (card->info.portname[0])
7687                 printk("qeth: Device %s/%s/%s is a%s "
7688                        "card%s%s%s\nwith link type %s "
7689                        "(no portname needed by interface).\n",
7690                        CARD_RDEV_ID(card),
7691                        CARD_WDEV_ID(card),
7692                        CARD_DDEV_ID(card),
7693                        qeth_get_cardname(card),
7694                        (card->info.mcl_level[0]) ? " (level: " : "",
7695                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7696                        (card->info.mcl_level[0]) ? ")" : "",
7697                        qeth_get_cardname_short(card));
7698         else
7699                 printk("qeth: Device %s/%s/%s is a%s "
7700                        "card%s%s%s\nwith link type %s.\n",
7701                        CARD_RDEV_ID(card),
7702                        CARD_WDEV_ID(card),
7703                        CARD_DDEV_ID(card),
7704                        qeth_get_cardname(card),
7705                        (card->info.mcl_level[0]) ? " (level: " : "",
7706                        (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7707                        (card->info.mcl_level[0]) ? ")" : "",
7708                        qeth_get_cardname_short(card));
7709 }
7710
7711 static void
7712 qeth_print_status_message(struct qeth_card *card)
7713 {
7714         switch (card->info.type) {
7715         case QETH_CARD_TYPE_OSAE:
7716                 /* VM will use a non-zero first character
7717                  * to indicate a HiperSockets like reporting
7718                  * of the level OSA sets the first character to zero
7719                  * */
7720                 if (!card->info.mcl_level[0]) {
7721                         sprintf(card->info.mcl_level,"%02x%02x",
7722                                 card->info.mcl_level[2],
7723                                 card->info.mcl_level[3]);
7724
7725                         card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7726                         break;
7727                 }
7728                 /* fallthrough */
7729         case QETH_CARD_TYPE_IQD:
7730                 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7731                         card->info.mcl_level[0]];
7732                 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7733                         card->info.mcl_level[1]];
7734                 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7735                         card->info.mcl_level[2]];
7736                 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7737                         card->info.mcl_level[3]];
7738                 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7739                 break;
7740         default:
7741                 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7742         }
7743         if (card->info.portname_required)
7744                 qeth_print_status_with_portname(card);
7745         else
7746                 qeth_print_status_no_portname(card);
7747 }
7748
7749 static int
7750 qeth_register_netdev(struct qeth_card *card)
7751 {
7752         QETH_DBF_TEXT(setup, 3, "regnetd");
7753         if (card->dev->reg_state != NETREG_UNINITIALIZED)
7754                 return 0;
7755         /* sysfs magic */
7756         SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7757         return register_netdev(card->dev);
7758 }
7759
7760 static void
7761 qeth_start_again(struct qeth_card *card, int recovery_mode)
7762 {
7763         QETH_DBF_TEXT(setup ,2, "startag");
7764
7765         if (recovery_mode &&
7766             card->info.type != QETH_CARD_TYPE_OSN) {
7767                 qeth_open(card->dev);
7768         } else {
7769                 rtnl_lock();
7770                 dev_open(card->dev);
7771                 rtnl_unlock();
7772         }
7773         /* this also sets saved unicast addresses */
7774         qeth_set_multicast_list(card->dev);
7775 }
7776
7777
7778 /* Layer 2 specific stuff */
7779 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7780         if (card->options.option == value) { \
7781                 PRINT_ERR("%s not supported with layer 2 " \
7782                           "functionality, ignoring option on read" \
7783                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7784                 card->options.option = reset_value; \
7785         }
7786 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7787         if (card->options.option != value) { \
7788                 PRINT_ERR("%s not supported with layer 2 " \
7789                           "functionality, ignoring option on read" \
7790                           "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7791                 card->options.option = reset_value; \
7792         }
7793
7794
7795 static void qeth_make_parameters_consistent(struct qeth_card *card)
7796 {
7797
7798         if (card->options.layer2 == 0)
7799                 return;
7800         if (card->info.type == QETH_CARD_TYPE_OSN)
7801                 return;
7802         if (card->info.type == QETH_CARD_TYPE_IQD) {
7803                 PRINT_ERR("Device %s does not support layer 2 functionality." \
7804                           " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7805                 card->options.layer2 = 0;
7806                 return;
7807         }
7808         IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7809                          "Routing options are");
7810 #ifdef CONFIG_QETH_IPV6
7811         IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7812                          "Routing options are");
7813 #endif
7814         IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7815                         QETH_CHECKSUM_DEFAULT,
7816                         "Checksumming options are");
7817         IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7818                          QETH_TR_BROADCAST_ALLRINGS,
7819                          "Broadcast mode options are");
7820         IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7821                          QETH_TR_MACADDR_NONCANONICAL,
7822                          "Canonical MAC addr options are");
7823         IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7824                          "Broadcast faking options are");
7825         IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7826                          DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7827         IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7828 }
7829
7830
7831 static int
7832 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7833 {
7834         struct qeth_card *card = gdev->dev.driver_data;
7835         int rc = 0;
7836         enum qeth_card_states recover_flag;
7837
7838         BUG_ON(!card);
7839         QETH_DBF_TEXT(setup ,2, "setonlin");
7840         QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7841
7842         qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7843         if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7844                 PRINT_WARN("set_online of card %s interrupted by user!\n",
7845                            CARD_BUS_ID(card));
7846                 return -ERESTARTSYS;
7847         }
7848
7849         recover_flag = card->state;
7850         if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7851             (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7852             (rc = ccw_device_set_online(CARD_DDEV(card)))){
7853                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7854                 return -EIO;
7855         }
7856
7857         qeth_make_parameters_consistent(card);
7858
7859         if ((rc = qeth_hardsetup_card(card))){
7860                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7861                 goto out_remove;
7862         }
7863         card->state = CARD_STATE_HARDSETUP;
7864
7865         if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7866                 rc = qeth_get_unique_id(card);
7867
7868         if (rc && card->options.layer2 == 0) {
7869                 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7870                 goto out_remove;
7871         }
7872         qeth_print_status_message(card);
7873         if ((rc = qeth_register_netdev(card))){
7874                 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7875                 goto out_remove;
7876         }
7877         if ((rc = qeth_softsetup_card(card))){
7878                 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7879                 goto out_remove;
7880         }
7881         card->state = CARD_STATE_SOFTSETUP;
7882
7883         if ((rc = qeth_init_qdio_queues(card))){
7884                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7885                 goto out_remove;
7886         }
7887         netif_carrier_on(card->dev);
7888
7889         qeth_set_allowed_threads(card, 0xffffffff, 0);
7890         if (recover_flag == CARD_STATE_RECOVER)
7891                 qeth_start_again(card, recovery_mode);
7892         qeth_notify_processes();
7893         return 0;
7894 out_remove:
7895         card->use_hard_stop = 1;
7896         qeth_stop_card(card, 0);
7897         ccw_device_set_offline(CARD_DDEV(card));
7898         ccw_device_set_offline(CARD_WDEV(card));
7899         ccw_device_set_offline(CARD_RDEV(card));
7900         if (recover_flag == CARD_STATE_RECOVER)
7901                 card->state = CARD_STATE_RECOVER;
7902         else
7903                 card->state = CARD_STATE_DOWN;
7904         return -ENODEV;
7905 }
7906
7907 static int
7908 qeth_set_online(struct ccwgroup_device *gdev)
7909 {
7910         return __qeth_set_online(gdev, 0);
7911 }
7912
7913 static struct ccw_device_id qeth_ids[] = {
7914         {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
7915         {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
7916         {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
7917         {},
7918 };
7919 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7920
7921 struct device *qeth_root_dev = NULL;
7922
7923 struct ccwgroup_driver qeth_ccwgroup_driver = {
7924         .owner = THIS_MODULE,
7925         .name = "qeth",
7926         .driver_id = 0xD8C5E3C8,
7927         .probe = qeth_probe_device,
7928         .remove = qeth_remove_device,
7929         .set_online = qeth_set_online,
7930         .set_offline = qeth_set_offline,
7931 };
7932
7933 struct ccw_driver qeth_ccw_driver = {
7934         .name = "qeth",
7935         .ids = qeth_ids,
7936         .probe = ccwgroup_probe_ccwdev,
7937         .remove = ccwgroup_remove_ccwdev,
7938 };
7939
7940
7941 static void
7942 qeth_unregister_dbf_views(void)
7943 {
7944         if (qeth_dbf_setup)
7945                 debug_unregister(qeth_dbf_setup);
7946         if (qeth_dbf_qerr)
7947                 debug_unregister(qeth_dbf_qerr);
7948         if (qeth_dbf_sense)
7949                 debug_unregister(qeth_dbf_sense);
7950         if (qeth_dbf_misc)
7951                 debug_unregister(qeth_dbf_misc);
7952         if (qeth_dbf_data)
7953                 debug_unregister(qeth_dbf_data);
7954         if (qeth_dbf_control)
7955                 debug_unregister(qeth_dbf_control);
7956         if (qeth_dbf_trace)
7957                 debug_unregister(qeth_dbf_trace);
7958 }
7959 static int
7960 qeth_register_dbf_views(void)
7961 {
7962         qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7963                                         QETH_DBF_SETUP_PAGES,
7964                                         QETH_DBF_SETUP_NR_AREAS,
7965                                         QETH_DBF_SETUP_LEN);
7966         qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7967                                        QETH_DBF_MISC_PAGES,
7968                                        QETH_DBF_MISC_NR_AREAS,
7969                                        QETH_DBF_MISC_LEN);
7970         qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7971                                        QETH_DBF_DATA_PAGES,
7972                                        QETH_DBF_DATA_NR_AREAS,
7973                                        QETH_DBF_DATA_LEN);
7974         qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7975                                           QETH_DBF_CONTROL_PAGES,
7976                                           QETH_DBF_CONTROL_NR_AREAS,
7977                                           QETH_DBF_CONTROL_LEN);
7978         qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7979                                         QETH_DBF_SENSE_PAGES,
7980                                         QETH_DBF_SENSE_NR_AREAS,
7981                                         QETH_DBF_SENSE_LEN);
7982         qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7983                                        QETH_DBF_QERR_PAGES,
7984                                        QETH_DBF_QERR_NR_AREAS,
7985                                        QETH_DBF_QERR_LEN);
7986         qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7987                                         QETH_DBF_TRACE_PAGES,
7988                                         QETH_DBF_TRACE_NR_AREAS,
7989                                         QETH_DBF_TRACE_LEN);
7990
7991         if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL)    ||
7992             (qeth_dbf_data == NULL)  || (qeth_dbf_control == NULL) ||
7993             (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL)    ||
7994             (qeth_dbf_trace == NULL)) {
7995                 qeth_unregister_dbf_views();
7996                 return -ENOMEM;
7997         }
7998         debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7999         debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8000
8001         debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8002         debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8003
8004         debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8005         debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8006
8007         debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8008         debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8009
8010         debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8011         debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8012
8013         debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8014         debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8015
8016         debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8017         debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8018
8019         return 0;
8020 }
8021
8022 #ifdef CONFIG_QETH_IPV6
8023 extern struct neigh_table arp_tbl;
8024 static struct neigh_ops *arp_direct_ops;
8025 static int (*qeth_old_arp_constructor) (struct neighbour *);
8026
8027 static struct neigh_ops arp_direct_ops_template = {
8028         .family = AF_INET,
8029         .solicit = NULL,
8030         .error_report = NULL,
8031         .output = dev_queue_xmit,
8032         .connected_output = dev_queue_xmit,
8033         .hh_output = dev_queue_xmit,
8034         .queue_xmit = dev_queue_xmit
8035 };
8036
8037 static int
8038 qeth_arp_constructor(struct neighbour *neigh)
8039 {
8040         struct net_device *dev = neigh->dev;
8041         struct in_device *in_dev;
8042         struct neigh_parms *parms;
8043         struct qeth_card *card;
8044
8045         card = qeth_get_card_from_dev(dev);
8046         if (card == NULL)
8047                 goto out;
8048         if((card->options.layer2) ||
8049            (card->dev->hard_header == qeth_fake_header))
8050                 goto out;
8051
8052         rcu_read_lock();
8053         in_dev = __in_dev_get_rcu(dev);
8054         if (in_dev == NULL) {
8055                 rcu_read_unlock();
8056                 return -EINVAL;
8057         }
8058
8059         parms = in_dev->arp_parms;
8060         __neigh_parms_put(neigh->parms);
8061         neigh->parms = neigh_parms_clone(parms);
8062         rcu_read_unlock();
8063
8064         neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8065         neigh->nud_state = NUD_NOARP;
8066         neigh->ops = arp_direct_ops;
8067         neigh->output = neigh->ops->queue_xmit;
8068         return 0;
8069 out:
8070         return qeth_old_arp_constructor(neigh);
8071 }
8072 #endif  /*CONFIG_QETH_IPV6*/
8073
8074 /*
8075  * IP address takeover related functions
8076  */
8077 static void
8078 qeth_clear_ipato_list(struct qeth_card *card)
8079 {
8080         struct qeth_ipato_entry *ipatoe, *tmp;
8081         unsigned long flags;
8082
8083         spin_lock_irqsave(&card->ip_lock, flags);
8084         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8085                 list_del(&ipatoe->entry);
8086                 kfree(ipatoe);
8087         }
8088         spin_unlock_irqrestore(&card->ip_lock, flags);
8089 }
8090
8091 int
8092 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8093 {
8094         struct qeth_ipato_entry *ipatoe;
8095         unsigned long flags;
8096         int rc = 0;
8097
8098         QETH_DBF_TEXT(trace, 2, "addipato");
8099         spin_lock_irqsave(&card->ip_lock, flags);
8100         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8101                 if (ipatoe->proto != new->proto)
8102                         continue;
8103                 if (!memcmp(ipatoe->addr, new->addr,
8104                             (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8105                     (ipatoe->mask_bits == new->mask_bits)){
8106                         PRINT_WARN("ipato entry already exists!\n");
8107                         rc = -EEXIST;
8108                         break;
8109                 }
8110         }
8111         if (!rc) {
8112                 list_add_tail(&new->entry, &card->ipato.entries);
8113         }
8114         spin_unlock_irqrestore(&card->ip_lock, flags);
8115         return rc;
8116 }
8117
8118 void
8119 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8120                      u8 *addr, int mask_bits)
8121 {
8122         struct qeth_ipato_entry *ipatoe, *tmp;
8123         unsigned long flags;
8124
8125         QETH_DBF_TEXT(trace, 2, "delipato");
8126         spin_lock_irqsave(&card->ip_lock, flags);
8127         list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8128                 if (ipatoe->proto != proto)
8129                         continue;
8130                 if (!memcmp(ipatoe->addr, addr,
8131                             (proto == QETH_PROT_IPV4)? 4:16) &&
8132                     (ipatoe->mask_bits == mask_bits)){
8133                         list_del(&ipatoe->entry);
8134                         kfree(ipatoe);
8135                 }
8136         }
8137         spin_unlock_irqrestore(&card->ip_lock, flags);
8138 }
8139
8140 static inline void
8141 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8142 {
8143         int i, j;
8144         u8 octet;
8145
8146         for (i = 0; i < len; ++i){
8147                 octet = addr[i];
8148                 for (j = 7; j >= 0; --j){
8149                         bits[i*8 + j] = octet & 1;
8150                         octet >>= 1;
8151                 }
8152         }
8153 }
8154
8155 static int
8156 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8157 {
8158         struct qeth_ipato_entry *ipatoe;
8159         u8 addr_bits[128] = {0, };
8160         u8 ipatoe_bits[128] = {0, };
8161         int rc = 0;
8162
8163         if (!card->ipato.enabled)
8164                 return 0;
8165
8166         qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8167                                   (addr->proto == QETH_PROT_IPV4)? 4:16);
8168         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8169                 if (addr->proto != ipatoe->proto)
8170                         continue;
8171                 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8172                                           (ipatoe->proto==QETH_PROT_IPV4) ?
8173                                           4:16);
8174                 if (addr->proto == QETH_PROT_IPV4)
8175                         rc = !memcmp(addr_bits, ipatoe_bits,
8176                                      min(32, ipatoe->mask_bits));
8177                 else
8178                         rc = !memcmp(addr_bits, ipatoe_bits,
8179                                      min(128, ipatoe->mask_bits));
8180                 if (rc)
8181                         break;
8182         }
8183         /* invert? */
8184         if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8185                 rc = !rc;
8186         else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8187                 rc = !rc;
8188
8189         return rc;
8190 }
8191
8192 /*
8193  * VIPA related functions
8194  */
8195 int
8196 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8197               const u8 *addr)
8198 {
8199         struct qeth_ipaddr *ipaddr;
8200         unsigned long flags;
8201         int rc = 0;
8202
8203         ipaddr = qeth_get_addr_buffer(proto);
8204         if (ipaddr){
8205                 if (proto == QETH_PROT_IPV4){
8206                         QETH_DBF_TEXT(trace, 2, "addvipa4");
8207                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8208                         ipaddr->u.a4.mask = 0;
8209 #ifdef CONFIG_QETH_IPV6
8210                 } else if (proto == QETH_PROT_IPV6){
8211                         QETH_DBF_TEXT(trace, 2, "addvipa6");
8212                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8213                         ipaddr->u.a6.pfxlen = 0;
8214 #endif
8215                 }
8216                 ipaddr->type = QETH_IP_TYPE_VIPA;
8217                 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8218                 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8219         } else
8220                 return -ENOMEM;
8221         spin_lock_irqsave(&card->ip_lock, flags);
8222         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8223             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8224                 rc = -EEXIST;
8225         spin_unlock_irqrestore(&card->ip_lock, flags);
8226         if (rc){
8227                 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8228                 return rc;
8229         }
8230         if (!qeth_add_ip(card, ipaddr))
8231                 kfree(ipaddr);
8232         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8233                 schedule_work(&card->kernel_thread_starter);
8234         return rc;
8235 }
8236
8237 void
8238 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8239               const u8 *addr)
8240 {
8241         struct qeth_ipaddr *ipaddr;
8242
8243         ipaddr = qeth_get_addr_buffer(proto);
8244         if (ipaddr){
8245                 if (proto == QETH_PROT_IPV4){
8246                         QETH_DBF_TEXT(trace, 2, "delvipa4");
8247                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8248                         ipaddr->u.a4.mask = 0;
8249 #ifdef CONFIG_QETH_IPV6
8250                 } else if (proto == QETH_PROT_IPV6){
8251                         QETH_DBF_TEXT(trace, 2, "delvipa6");
8252                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8253                         ipaddr->u.a6.pfxlen = 0;
8254 #endif
8255                 }
8256                 ipaddr->type = QETH_IP_TYPE_VIPA;
8257         } else
8258                 return;
8259         if (!qeth_delete_ip(card, ipaddr))
8260                 kfree(ipaddr);
8261         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8262                 schedule_work(&card->kernel_thread_starter);
8263 }
8264
8265 /*
8266  * proxy ARP related functions
8267  */
8268 int
8269 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8270               const u8 *addr)
8271 {
8272         struct qeth_ipaddr *ipaddr;
8273         unsigned long flags;
8274         int rc = 0;
8275
8276         ipaddr = qeth_get_addr_buffer(proto);
8277         if (ipaddr){
8278                 if (proto == QETH_PROT_IPV4){
8279                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8280                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8281                         ipaddr->u.a4.mask = 0;
8282 #ifdef CONFIG_QETH_IPV6
8283                 } else if (proto == QETH_PROT_IPV6){
8284                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8285                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8286                         ipaddr->u.a6.pfxlen = 0;
8287 #endif
8288                 }
8289                 ipaddr->type = QETH_IP_TYPE_RXIP;
8290                 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8291                 ipaddr->del_flags = 0;
8292         } else
8293                 return -ENOMEM;
8294         spin_lock_irqsave(&card->ip_lock, flags);
8295         if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8296             __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8297                 rc = -EEXIST;
8298         spin_unlock_irqrestore(&card->ip_lock, flags);
8299         if (rc){
8300                 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8301                 return rc;
8302         }
8303         if (!qeth_add_ip(card, ipaddr))
8304                 kfree(ipaddr);
8305         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8306                 schedule_work(&card->kernel_thread_starter);
8307         return 0;
8308 }
8309
8310 void
8311 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8312               const u8 *addr)
8313 {
8314         struct qeth_ipaddr *ipaddr;
8315
8316         ipaddr = qeth_get_addr_buffer(proto);
8317         if (ipaddr){
8318                 if (proto == QETH_PROT_IPV4){
8319                         QETH_DBF_TEXT(trace, 2, "addrxip4");
8320                         memcpy(&ipaddr->u.a4.addr, addr, 4);
8321                         ipaddr->u.a4.mask = 0;
8322 #ifdef CONFIG_QETH_IPV6
8323                 } else if (proto == QETH_PROT_IPV6){
8324                         QETH_DBF_TEXT(trace, 2, "addrxip6");
8325                         memcpy(&ipaddr->u.a6.addr, addr, 16);
8326                         ipaddr->u.a6.pfxlen = 0;
8327 #endif
8328                 }
8329                 ipaddr->type = QETH_IP_TYPE_RXIP;
8330         } else
8331                 return;
8332         if (!qeth_delete_ip(card, ipaddr))
8333                 kfree(ipaddr);
8334         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8335                 schedule_work(&card->kernel_thread_starter);
8336 }
8337
8338 /**
8339  * IP event handler
8340  */
8341 static int
8342 qeth_ip_event(struct notifier_block *this,
8343               unsigned long event,void *ptr)
8344 {
8345         struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8346         struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8347         struct qeth_ipaddr *addr;
8348         struct qeth_card *card;
8349
8350         QETH_DBF_TEXT(trace,3,"ipevent");
8351         card = qeth_get_card_from_dev(dev);
8352         if (!card)
8353                 return NOTIFY_DONE;
8354         if (card->options.layer2)
8355                 return NOTIFY_DONE;
8356
8357         addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8358         if (addr != NULL) {
8359                 addr->u.a4.addr = ifa->ifa_address;
8360                 addr->u.a4.mask = ifa->ifa_mask;
8361                 addr->type = QETH_IP_TYPE_NORMAL;
8362         } else
8363                 goto out;
8364
8365         switch(event) {
8366         case NETDEV_UP:
8367                 if (!qeth_add_ip(card, addr))
8368                         kfree(addr);
8369                 break;
8370         case NETDEV_DOWN:
8371                 if (!qeth_delete_ip(card, addr))
8372                         kfree(addr);
8373                 break;
8374         default:
8375                 break;
8376         }
8377         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8378                 schedule_work(&card->kernel_thread_starter);
8379 out:
8380         return NOTIFY_DONE;
8381 }
8382
8383 static struct notifier_block qeth_ip_notifier = {
8384         qeth_ip_event,
8385         NULL,
8386 };
8387
8388 #ifdef CONFIG_QETH_IPV6
8389 /**
8390  * IPv6 event handler
8391  */
8392 static int
8393 qeth_ip6_event(struct notifier_block *this,
8394               unsigned long event,void *ptr)
8395 {
8396
8397         struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8398         struct net_device *dev = (struct net_device *)ifa->idev->dev;
8399         struct qeth_ipaddr *addr;
8400         struct qeth_card *card;
8401
8402         QETH_DBF_TEXT(trace,3,"ip6event");
8403
8404         card = qeth_get_card_from_dev(dev);
8405         if (!card)
8406                 return NOTIFY_DONE;
8407         if (!qeth_is_supported(card, IPA_IPV6))
8408                 return NOTIFY_DONE;
8409
8410         addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8411         if (addr != NULL) {
8412                 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8413                 addr->u.a6.pfxlen = ifa->prefix_len;
8414                 addr->type = QETH_IP_TYPE_NORMAL;
8415         } else
8416                 goto out;
8417
8418         switch(event) {
8419         case NETDEV_UP:
8420                 if (!qeth_add_ip(card, addr))
8421                         kfree(addr);
8422                 break;
8423         case NETDEV_DOWN:
8424                 if (!qeth_delete_ip(card, addr))
8425                         kfree(addr);
8426                 break;
8427         default:
8428                 break;
8429         }
8430         if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8431                 schedule_work(&card->kernel_thread_starter);
8432 out:
8433         return NOTIFY_DONE;
8434 }
8435
8436 static struct notifier_block qeth_ip6_notifier = {
8437         qeth_ip6_event,
8438         NULL,
8439 };
8440 #endif
8441
8442 static int
8443 __qeth_reboot_event_card(struct device *dev, void *data)
8444 {
8445         struct qeth_card *card;
8446
8447         card = (struct qeth_card *) dev->driver_data;
8448         qeth_clear_ip_list(card, 0, 0);
8449         qeth_qdio_clear_card(card, 0);
8450         return 0;
8451 }
8452
8453 static int
8454 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8455 {
8456         int ret;
8457
8458         ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8459                                      __qeth_reboot_event_card);
8460         return ret ? NOTIFY_BAD : NOTIFY_DONE;
8461 }
8462
8463
8464 static struct notifier_block qeth_reboot_notifier = {
8465         qeth_reboot_event,
8466         NULL,
8467 };
8468
8469 static int
8470 qeth_register_notifiers(void)
8471 {
8472         int r;
8473
8474         QETH_DBF_TEXT(trace,5,"regnotif");
8475         if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8476                 return r;
8477         if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8478                 goto out_reboot;
8479 #ifdef CONFIG_QETH_IPV6
8480         if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8481                 goto out_ipv4;
8482 #endif
8483         return 0;
8484
8485 #ifdef CONFIG_QETH_IPV6
8486 out_ipv4:
8487         unregister_inetaddr_notifier(&qeth_ip_notifier);
8488 #endif
8489 out_reboot:
8490         unregister_reboot_notifier(&qeth_reboot_notifier);
8491         return r;
8492 }
8493
8494 /**
8495  * unregister all event notifiers
8496  */
8497 static void
8498 qeth_unregister_notifiers(void)
8499 {
8500
8501         QETH_DBF_TEXT(trace,5,"unregnot");
8502         BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8503         BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8504 #ifdef CONFIG_QETH_IPV6
8505         BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8506 #endif /* QETH_IPV6 */
8507
8508 }
8509
8510 #ifdef CONFIG_QETH_IPV6
8511 static int
8512 qeth_ipv6_init(void)
8513 {
8514         qeth_old_arp_constructor = arp_tbl.constructor;
8515         write_lock_bh(&arp_tbl.lock);
8516         arp_tbl.constructor = qeth_arp_constructor;
8517         write_unlock_bh(&arp_tbl.lock);
8518
8519         arp_direct_ops = (struct neigh_ops*)
8520                 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8521         if (!arp_direct_ops)
8522                 return -ENOMEM;
8523
8524         memcpy(arp_direct_ops, &arp_direct_ops_template,
8525                sizeof(struct neigh_ops));
8526
8527         return 0;
8528 }
8529
8530 static void
8531 qeth_ipv6_uninit(void)
8532 {
8533         write_lock_bh(&arp_tbl.lock);
8534         arp_tbl.constructor = qeth_old_arp_constructor;
8535         write_unlock_bh(&arp_tbl.lock);
8536         kfree(arp_direct_ops);
8537 }
8538 #endif /* CONFIG_QETH_IPV6 */
8539
8540 static void
8541 qeth_sysfs_unregister(void)
8542 {
8543         qeth_remove_driver_attributes();
8544         ccw_driver_unregister(&qeth_ccw_driver);
8545         ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8546         s390_root_dev_unregister(qeth_root_dev);
8547 }
8548 /**
8549  * register qeth at sysfs
8550  */
8551 static int
8552 qeth_sysfs_register(void)
8553 {
8554         int rc=0;
8555
8556         rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8557         if (rc)
8558                 return rc;
8559         rc = ccw_driver_register(&qeth_ccw_driver);
8560         if (rc)
8561                 return rc;
8562         rc = qeth_create_driver_attributes();
8563         if (rc)
8564                 return rc;
8565         qeth_root_dev = s390_root_dev_register("qeth");
8566         if (IS_ERR(qeth_root_dev)) {
8567                 rc = PTR_ERR(qeth_root_dev);
8568                 return rc;
8569         }
8570         return 0;
8571 }
8572
8573 /***
8574  * init function
8575  */
8576 static int __init
8577 qeth_init(void)
8578 {
8579         int rc=0;
8580
8581         PRINT_INFO("loading %s\n", version);
8582
8583         INIT_LIST_HEAD(&qeth_card_list.list);
8584         INIT_LIST_HEAD(&qeth_notify_list);
8585         spin_lock_init(&qeth_notify_lock);
8586         rwlock_init(&qeth_card_list.rwlock);
8587
8588         if (qeth_register_dbf_views())
8589                 goto out_err;
8590         if (qeth_sysfs_register())
8591                 goto out_sysfs;
8592
8593 #ifdef CONFIG_QETH_IPV6
8594         if (qeth_ipv6_init()) {
8595                 PRINT_ERR("Out of memory during ipv6 init.\n");
8596                 goto out_sysfs;
8597         }
8598 #endif /* QETH_IPV6 */
8599         if (qeth_register_notifiers())
8600                 goto out_ipv6;
8601         if (qeth_create_procfs_entries())
8602                 goto out_notifiers;
8603
8604         return rc;
8605
8606 out_notifiers:
8607         qeth_unregister_notifiers();
8608 out_ipv6:
8609 #ifdef CONFIG_QETH_IPV6
8610         qeth_ipv6_uninit();
8611 #endif /* QETH_IPV6 */
8612 out_sysfs:
8613         qeth_sysfs_unregister();
8614         qeth_unregister_dbf_views();
8615 out_err:
8616         PRINT_ERR("Initialization failed");
8617         return rc;
8618 }
8619
8620 static void
8621 __exit qeth_exit(void)
8622 {
8623         struct qeth_card *card, *tmp;
8624         unsigned long flags;
8625
8626         QETH_DBF_TEXT(trace,1, "cleanup.");
8627
8628         /*
8629          * Weed would not need to clean up our devices here, because the
8630          * common device layer calls qeth_remove_device for each device
8631          * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8632          * But we do cleanup here so we can do a "soft" shutdown of our cards.
8633          * qeth_remove_device called by the common device layer would otherwise
8634          * do a "hard" shutdown (card->use_hard_stop is set to one in
8635          * qeth_remove_device).
8636          */
8637 again:
8638         read_lock_irqsave(&qeth_card_list.rwlock, flags);
8639         list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8640                 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8641                 qeth_set_offline(card->gdev);
8642                 qeth_remove_device(card->gdev);
8643                 goto again;
8644         }
8645         read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8646 #ifdef CONFIG_QETH_IPV6
8647         qeth_ipv6_uninit();
8648 #endif
8649         qeth_unregister_notifiers();
8650         qeth_remove_procfs_entries();
8651         qeth_sysfs_unregister();
8652         qeth_unregister_dbf_views();
8653         printk("qeth: removed\n");
8654 }
8655
8656 EXPORT_SYMBOL(qeth_osn_register);
8657 EXPORT_SYMBOL(qeth_osn_deregister);
8658 EXPORT_SYMBOL(qeth_osn_assist);
8659 module_init(qeth_init);
8660 module_exit(qeth_exit);
8661 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8662 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8663                                       "Copyright 2000,2003 IBM Corporation\n");
8664
8665 MODULE_LICENSE("GPL");