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